The present invention relates to a clip for attaching a tubular object such as, for example, a fuel pipe, a brake pipe, and the like for an automobile, to an attached member such as a body and the like. Especially, an elastic member is formed as a separate body from an attaching portion, and the elastic member is attached to the attaching portion so as to prevent transmission of vibration between the attached member and the tubular object.
Conventionally, there is well known a clamp in which a vibration-proof member made of soft synthetic resin is integrally provided on an outer circumference of the attaching portion made of hard synthetic resin by a molding (for example, see paragraph [0008], and FIGS. 1, and 7 to 10 in Patent Document 1).
However, in the conventional clamp, the vibration-proof member made of the soft synthetic resin is integrally provided on the outer circumference of the attaching portion made of the hard synthetic resin by the molding, so that there has been a problem that a structure of the attaching portion becomes complicated, or that the molding is also difficult.
Thereby, the present invention is made in view of the aforementioned problems that a conventional technology has, and an object of the present invention is to provide a clip so as to prevent the transmission of the vibration between the attached member and the tubular object.
A clip according to the first aspect of the present invention has the following characteristics.
First, the clip comprises the following structure.
(1) Attaching Portion
An attaching portion includes a locking piece locked in a stud bolt provided in an attached member.
(2) Clamp Portion
A clamp portion is connected to the attaching portion, and includes a holding portion holding a tubular object.
Secondly, in the attaching portion, there is attached an elastic member which is formed as a separate body from the attaching portion, and prevents transmission of vibration between the attached member and the tubular object.
Thirdly, in the elastic member, there is provided a vibration-proof portion elastically abutting against the locking piece.
The clip according to the first aspect of the present invention may have the following characteristic.
In the elastic member, there is provided an abutting portion elastically abutting against the attached member.
Thereby, the abutting portion of the elastic member is elastically abutted against the attached member so as to prevent the transmission of the vibration from an abutting surface between the attached member and the attaching portion.
The clip according to the first aspect of the present invention may have the following characteristic.
Inside the vibration-proof portion, there is formed a hollow portion.
Thereby, the hollow portion is formed inside the vibration-proof portion so as to be capable of improving an elastic property of the vibration-proof portion.
The clip according to a second aspect of the present invention has the following characteristics.
First, the clip comprises the following structure.
(1) Attaching Portion
The attaching portion includes the locking piece locked in the stud bolt provided in the attached member.
(2) Clamp Portion
The clamp portion is connected to the attaching portion, and includes the holding portion holding the tubular object.
Secondly, the attaching portion comprises the following structure.
(3) Insert Hole
An insert hole is for inserting the stud bolt.
(4) A Pair of Side Walls
A pair of side walls faces each other by sandwiching the insert hole.
(5) A Pair of Locking Pieces
A pair of locking pieces is connected to the side walls through a thin-walled hinge portion, and protrudes to an inside of the insert hole so as to be locked in the stud bolt.
Thirdly, the hinge portion is molded by soft synthetic resin.
Fourthly, the rest of the attaching portion is molded by relatively hard synthetic resin.
The clip according to the second aspect of the present invention may comprise the following characteristics.
First, in the attaching portion, there is provided the abutting portion (for example, an upper wall and an elastic piece) elastically abutting against the attached member.
Secondly, the abutting portion (for example, the upper wall and the elastic piece) is molded by the soft synthetic resin.
Thereby, the abutting portion of the elastic member is elastically abutted against the attached member so as to prevent the transmission of the vibration from the abutting surface between the attached member and the attaching portion.
Since the present invention is structured as mentioned above, the following effects can be obtained.
According to the clip of the first aspect of the present invention, the elastic member is formed as the separate body from the attaching portion, and the elastic member is attached to the attaching portion so as to prevent the transmission of the vibration between the attached member and the tubular object. Also, the structure of the attaching portion is allowed to be simplified, and by attaching the elastic member to the attaching portion, the clip can be easily manufactured.
According to the clip of the second aspect of the present invention, the hinge portion of the locking piece is molded by the soft resin so as to prevent the transmission of the vibration between the attached member and the tubular object as is the case with the clip according to the first aspect of the present invention. Also, when the stud bolt is inserted into the insert hole, the locking piece made of the soft resin elastically abuts against the side walls made of the hard resin so as to be capable of attenuating the vibration between the attached member and the tubular object.
(Clip 10)
In
Although it is not shown in the figures, the attached member 20 is disposed inside a bonnet, and a stud bolt 21 is provided to stand on a surface thereof.
The stud bolt 21 extends downward from a lower surface of the attached member 20 in
A plurality of tubular objects P1 to P4, for example, four pieces, is attached to the clip 10. As for the tubular objects P1 to P4, a first tubular object P1, a second tubular object P2, a third tubular object P3, and a fourth tubular object P4 are attached from the left side in
Incidentally, although the brake pipe and the fuel pipe are illustrated as an example of the tubular objects P1 to P4, the tubular objects P1 to P4 are not limited to the pipes, and may be an electric cable type. Also, although the automobile is illustrated as an example of the attached member 20, the attached member 20 is not limited to the above, and may be other vehicles such as trains, aircraft, boats and ships, and the like, or may be other machine equipment or electric equipment. Also, the attached member 20 may be a building, a construction product, and the like. Moreover, although the tubular objects P1 to P4 are attached to the clip 10 with the four pieces, the number of the tubular objects P1 to P4 is not limited to the above, and the tubular objects P1 to P4 may be attached with one to three pieces, or five or more pieces.
As shown in
Incidentally, the following (1) and (2) will be described hereinafter.
(1) Clip main body 30
(2) Elastic member 40
Incidentally, the parts of the clip 10 are not limited to the aforementioned (1) and (2).
(Clip Main Body 30)
The clip main body 30 comprises an attaching device to the stud bolt 21, and a holding device for the tubular objects P1 to P4. The clip main body 30 has, for example, an appropriate amount of elasticity and rigidity, and is integrally molded by hard resin compared to the later-mentioned elastic member 40, for example, the hard resin such as polypropylene and the like.
Specifically, as shown in
Incidentally, the following (1) and (2) will be described hereinafter.
(1) Attaching portion 50
(2) Clamp portion 60
Incidentally, each portion of the clip main body 30 is not limited to the aforementioned (1) and (2).
(Attaching Portion 50)
As shown in
Specifically, as shown in
Incidentally, the following (1) to (5) will be described hereinafter.
(1) Insert hole 51
(2) Side walls 52
(3) Locking pieces 53
(4) Elastic pieces 54
(5) Insertion holes 55
Incidentally, each portion of the attaching portion 50 is not limited to the aforementioned (1) to (5).
(Insert Hole 51)
As shown in
Incidentally, although the oval shape is illustrated as an example of a shape of the attaching portion 50, the shape of the attaching portion 50 is not limited to the above, and may be formed in a shape of an ellipse, a circle, or a square.
(Side Walls 52)
As shown in
Specifically, the side walls 52 face each other to right and left in
Incidentally, although the side walls 52 are formed as a pair facing each other to the right and left in
Specifically, as shown in
Incidentally, the portion of the side walls 52 is not limited to the following (1).
(1) Projecting Portions 52a
As shown in
(Locking Pieces 53)
As shown in
Specifically, as shown in
Incidentally, each portion of the locking pieces 53 is not limited to the following (1) to (3).
(1) Hinge Portions 53a
The hinge portions 53a are formed in each upper end portion of the locking pieces 53 in a thin-walled fashion, and connect to the upper portions of the inner side surfaces of the side walls 52.
(2) Claw Portions 53b
Claw portions 53b are respectively formed on the facing inner side surfaces of the locking pieces 53 in a saw-toothed shape with a plurality of steps, and mesh with a screw groove of the stud bolt 21.
(3) Inclined Portions 53c
Inclined portions 53c are respectively formed on the outer side surfaces of the locking pieces 53 which face the inner side surfaces of the side walls 52, and incline downward. The inclined portions 53c are separated from downward-inclined surfaces of the projecting portions 52a of the side walls 52 protruding in the triangle shape, and incline parallel to the inclined surfaces. As for the inclined portions 53c, when the stud bolt 21 is inserted into the interval of a pair of the locking pieces 53, both the locking pieces 53 mutually open outward, and at that time, the inclined portions 53c approach toward the downward-inclined surfaces of the projecting portions 52a.
(Elastic Pieces 54)
The elastic pieces 54 elastically abut against the attached member 20. Specifically, as shown in
Incidentally, although a pair of the elastic pieces 54 is formed, the elastic pieces 54 are not limited to the above, and may be provided with one piece or three or more pieces.
(Insertion Holes 55)
The insertion holes 55 are for inserting vibration-proof portions 42 of the later-mentioned elastic member 40, and are formed as a pair on both sides of the right and left of the insert hole 51 in
Incidentally, although a pair of the insertion holes 55 is formed, the insertion holes 55 are not limited to the above, and may be provided with one piece or three or more pieces.
(Clamp Portion 60)
As shown in
Specifically, as shown in
Incidentally, each portion of the clamp portion 60 is not limited to the followings (1) and (2).
(1) First to Fourth Holding Portions 61 to 64
As shown in
Among the four pieces of the first to fourth holding portions 61 to 64, the third holding portion 63, which is on the left of the attaching portion 50 in
Incidentally, although the first to fourth holding portions 61 to 64 are provided with the four pieces, the holding portions 61 to 64 are not limited to the above, and may be provided with one to three pieces, or five or more pieces. Also, although the first to fourth holding portions 61 to 64 are formed in the “U” shape or the “C” shape, the holding portions 61 to 64 may be formed in a short form.
(2) First to Fourth Elastic Claws 65 to 69
The first to fourth elastic claws 65 to 69 are made for holding the first to fourth tubular objects P1 to P4, which are respectively held in the first to fourth holding portions 61 to 64, so that the first to fourth tubular objects P1 to P4 do not come out. The first to fourth elastic claws 65 to 69 are formed in an approximately “V” shape which is downwardly folded toward an inside of the respective first to fourth holding portions 61 to 64. Among the first to fourth elastic claws 65 to 69, the third elastic claw 67, which faces the third holding portion 63 having the large inner diameter, is formed with two pieces. The rest of the first elastic claw 65, the second elastic claw 66, and the fourth elastic claw 69, which face the first holding portion 61, the second holding portion 62, and the fourth holding portion 64, are respectively provided with one piece.
Incidentally, although the first to fourth elastic claws 65 to 69 are formed in a folding-back manner, the elastic claws 65 to 69 may have a structure of a projection shape. Also, although the first to fourth elastic claws 65 to 69 are formed with one to two pieces relative to the respective first to fourth holding portions 61 to 64, the elastic claws 65 to 69 are not limited to the above.
(Elastic Member 40)
As shown in
Specifically, as shown in
Incidentally, each portion of the elastic member 40 is not limited to the following (1) to (3).
(1) Communication Hole 41
As shown in
Incidentally, although the oval shape is illustrated as an example of the shape of the communication hole 41, the shape of the communication hole 41 is not limited to the above, and may be formed in the shape of the ellipse or the circle, or the square.
(2) Vibration-Proof Portions 42
As shown in
Also, as shown in
Incidentally, although the vibration-proof portions 42 are formed as a pair, the number of the vibration-proof portions 42 is not limited to the above, and may be formed with one piece, or three or more pieces.
(3) Abutting Portions 43
As shown in
The abutting portions 43 overlap on upper surfaces of the elastic pieces 54 of the attaching portion 50, and elastically abut against the attached member 20.
(Assembly Method)
Next, an assembly method of the clip main body 30 and the elastic member 40 comprising the aforementioned structure will be explained.
As shown in
At that time, the communication hole 41 communicates into the insert hole 51. Also, the abutting portions 43 overlap on the upper surfaces of the elastic pieces 54 of the attaching portion 50.
(Usage Method)
Next, a usage method of the clip 10 in an assembled state will be explained.
The tubular objects P1 to P4 may be placed in the first to fourth holding portions 61 to 64 of the clamp portion 60 of the clip 10 beforehand, or the tubular objects P1 to P4 may be placed after the clip 10 is attached to the attached member 20.
In order to attach the clip 10 to the attached member 20, the stud bolt 21 may be relatively inserted while conforming to the communication hole 41 of the elastic member 40. When the stud bolt 21 is inserted, an end portion thereof proceeds to the insert hole 51 of the attaching portion 50 from the communication hole 41 so as to be pushed into the interval of a pair of the locking pieces 53.
Here, when the stud bolt 21 is relatively strongly inserted, a pair of the locking pieces 53 is pushed by an outer circumference of the stud bolt 21, and as shown in
After that, at a position wherein the abutting portions 43 of the elastic member 40 elastically abut against the attached member 20, an insertion of the stud bolt 21 reaches a limit, and the claw portions 53b of both the locking pieces 53 mesh with the screw groove of the stud bolt 21 so that the stud bolt 21 cannot come out of the insert hole 51. Accordingly, as shown in
(Vibration-Transmission Prevention Function)
Next, a vibration-transmission prevention function by the clip 10 fixed to the attached member 20 will be explained.
As shown in
(1) First Route L1
Citing an example of the third tubular object P3, there is the first route L1 which passes through the clamp portion 60, the attaching portion 50 (the elastic pieces 54), the abutting portions 43 of the elastic member 40, and the attached member 20. In the first route L1, the transmission of the vibration can be prevented due to the elasticity of the abutting portions 43 of the elastic member 40.
Incidentally, as the vibration between the attached member 20 and the tubular object P3, for example, in a case when the tubular object P3 is considered as a generation source of the vibration, for example, pulsation of a liquid flowing inside the tubular object P3 is conceivable.
Also, in a case when the attached member 20 is considered as the generation source of the vibration, for example, an engine vibration of the automobile, or a vibration at a time of driving is conceivable.
(2) Second Route L2
A second route L2 is a route passing through the clamp portion 60, the locking pieces 53 of the attaching portion 50, the stud bolt 21, and the attached member 20. In the second route L2, the transmission of the vibration can be prevented due to the elasticity of the vibration-proof portions 42 of the elastic member 40.
Next, a second embodiment of the present invention will be explained using
A characteristic of the present embodiment is that the number of vibration-proof portions 102 of an elastic member 100 is increased.
The vibration-proof portions 102 are respectively positioned on both sides of the right and left of a communication hole 101 in
Abutting portions 103 face perpendicular to the vibration-proof portions 102, i.e., are respectively positioned on both sides of the front and back of the communication hole 101 in
Incidentally, the number of the vibration-proof portions 102 is not limited to the four pieces, and may be provided with five or more pieces.
Next, a third embodiment of the present invention will be explained using
A characteristic of the present embodiment is that the elastic pieces 54 on a clip main body 30 side of the first embodiment in
Incidentally, as is the case with the first embodiment explained earlier using
Although it is not shown in the figures, the elastic pieces 123a elastically abut against the attached member so as to allow the over-stroke.
Next, a fourth embodiment of the present invention will be explained using
A characteristic of the present embodiment is that the clip 10 is molded by a two-material formation using the hard resin and the soft resin.
Specifically, as is the case with the first embodiment explained earlier using
(1) Attaching Portion 130
As shown in
(2) Clamp Portion (not Shown in the Figure)
Although it is not shown in the figure, the clamp portion connects to the attaching portion 130, and includes the holding portion holding the tubular object.
As shown in
(3) Insert Hole 131
As shown in
(4) A Pair of Side Walls 132
As shown in
(5) A Pair of Locking Pieces 133
As shown in
Incidentally, the locking pieces 133 comprise claw portions 133b and inclined portions 133c in addition to the hinge portions 133a.
(6) Upper Wall 134, Elastic Pieces 135 (Abutting Portions)
As shown in
As is the case with the angular elastic pieces 123a of the third embodiment explained earlier using
The upper wall 134 and the elastic pieces 135 function as the abutting portions. The abutting portions elastically abut against the attached member (not shown in the figure).
Incidentally, although the abutting portions are structured by both the upper wall 134 and the elastic pieces 135, the abutting portions are not limited to the above, and may be structured by either one of the upper wall 134 and the elastic pieces 135.
In the attaching portion 130, the aforementioned hinge portions 133a, the upper wall 134, and the elastic pieces 135 are molded by the soft synthetic resin.
The rest of the attaching portion 130 is molded by relatively hard synthetic resin. Incidentally, in
All contents of the specification, claims, drawing, and abstract of Japanese Patent Application No. 2009-168493 filed on Jul. 17, 2009 are cited in their entireties herein and are incorporated as a disclosure of the specification of the present invention.
Number | Date | Country | Kind |
---|---|---|---|
2009-168493 | Jul 2009 | JP | national |
Filing Document | Filing Date | Country | Kind | 371c Date |
---|---|---|---|---|
PCT/JP2010/061924 | 7/14/2010 | WO | 00 | 2/6/2012 |