Patent Application
20230130809
The utility model relates to the technical field of a pulling rod, and in particular to a tensile rod and a bracket.
In some scenarios of life, there is a need to flexibly change a length and height of a product. Therefore, various brackets with tensile rods and so on have emerged. At present, there are many tensile rods on the market that have poor stability and cannot carry an object stably, making it difficult to meet the needs of some special scenarios.
A main objective of the utility model is to provide a tensile rod and a bracket aimed at improving stability of the tensile rod.
To achieve the above objective, the utility model proposes a tensile rod, including:
Optionally, both sides of the inserting end of the second pulling rod are both provided with mounting holes, and the extruding assembly includes:
Optionally, the elastic member is a spring or a plastic elastomer.
Optionally, both sides of the inserting end of the second pulling rod are provided with two mounting holes, respectively. The two first connecting arms and the two second connecting arms are both provided to form two sets of the extruding columns, and the elastic member is arranged on each of the extruding columns.
Optionally, the first connecting arm and the second connecting arm are locked and fixed by a screw; or the first connecting arm and the second connecting arm are fixed by a rivet; or the first connecting arm and the second connecting arm are fixed by clamping connection; or the first connecting arm and the second connecting arm are fixed by the rivet and fixed by hot melt connection.
Optionally, the extruding assembly further includes a friction sheet, and the friction sheet is arranged between the sleeve and the first pulling rod.
Optionally, the two friction sheets are provided. The two friction sheets are affixed to the first friction seat and the second friction seat, respectively; or one of the friction sheets is integral with the first friction seat, and the other of the friction sheets is integral with the second friction seat.
Optionally, the friction sheet is made of metal or plastic cement.
Optionally, one end of the first pulling rod near the second pulling rod is provided with a rod sleeve to limit the second pulling rod from being escaped from the first pulling rod.
To achieve the above objective, the utility model also proposes a bracket, as described above, including a tensile rod. The tensile rod includes:
In the technical solution of the utility model, the tensile rod includes the first pulling rod, the second pulling rod, and the extruding assembly. The first pulling rod has the pulling end and the inserting end that are opposite to each other. The inserting end of the second pulling rod is removably interposed in the first pulling rod. The extruding assembly is mounted at the inserting end of the second pulling rod and abuts against the inner wall of the first pulling rod to provide the uniform extruding friction force from an outer peripheral wall of the inserting end of the second pulling rod to an inner peripheral wall of the first pulling rod. The extruding assembly is arranged between the first pulling rod and the second pulling rod to provide a uniform extruding pressure to the first pulling rod, so that a friction force between the first pulling rod and the second pulling rod is evenly distributed, thereby improving the stability of the tensile rod and extending service life.
In order to explain embodiments of the utility model or the technical solutions in the prior art more clearly, the following briefly introduces the drawings that need to be used in the embodiments or the prior art. Obviously, the drawings in the following description are only some of the embodiments of the utility model. Those skilled in the art can obtain other drawings based on structures shown in these drawings without creative labor.
The realization, functional characteristics, and advantages of the objective of the utility model will be further described with reference to the drawings in conjunction with the embodiments.
The following clearly and completely describes the technical solutions in embodiments of the utility model in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model rather than all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor shall fall within the protection scope of the utility model.
It should be noted that if the embodiments of the utility model involve directional indications (such as up, down, left, right, front, back . . . ), the directional indications are only used to explain a relative position relationship and movement among various components under a certain posture (as shown in the drawings). If a specific posture changes, the directional indication also changes accordingly.
In addition, if there are descriptions of terms such as “first”, “second” and the like in the embodiments of the utility model, the descriptions of the terms such as “first”, “second” and the like are merely intended for the purpose of description, and shall not be understood as an indication or implication of relative importance or implicit indication of a quantity of indicated technical features. Therefore, the features defined with “first” and “second” can explicitly or implicitly include at least one of the features. In addition, the meaning of “and/or” in the whole text is to include three parallel schemes. Taking “A and/or B” as an example, “A and/or B” includes scheme A, scheme B, or a scheme that A and B are satisfied at the same time. In addition, the technical solutions between the various embodiments can be combined with each other but should be based on what can be achieved by those skilled in the art. When a combination of technical solutions is contradictory or cannot be achieved, it should be considered that such a combination of technical solutions does not exist and also does not fall within the scope of protection required by the utility model.
This utility model proposes a tensile rod, which is suitable for a bracket, etc., and is not limited here.
Referring to
In this embodiment, both the first pulling rod 10 and the second pulling rod 20 can be arranged in a hollow long cylindrical shape and can be made of plastic, metal, or the like, which is not limited here. The second pulling rod 20 has a diameter slightly smaller than that of the first pulling rod 10.
The extruding assembly 30 can comprise a sleeve pipe and an elastic member, can also comprise a resilient end plug, an end cover or the like, or comprise another component having a certain resilient capacity and capable of providing a uniform extruding force from the outer peripheral wall of the second pulling rod 20 to the inner peripheral wall of the first pulling rod 10, which is not limited here.
In the technical solution of the utility model, the tensile rod includes the first pulling rod 10, the second pulling rod 20, and the extruding assembly 30. The first pulling rod 10 has the pulling end and the inserting end that are opposite to each other. The inserting end of the second pulling rod 20 is removably interposed in the first pulling rod 10. The extruding assembly 30 is mounted at the inserting end of the second pulling rod 20 and abuts against the inner wall of the first pulling rod 10 to provide the uniform extruding friction force from the outer peripheral wall of the inserting end of the second pulling rod 20 to the inner peripheral wall of the first pulling rod 10. The extruding assembly is 30 arranged between the first pulling rod 10 and the second pulling rod 20 to provide a uniform extruding pressure to the first pulling rod 10, so that a friction force between the first pulling rod 10 and the second pulling rod 20 is evenly distributed, thereby improving the stability of the tensile rod and extending service life.
Referring to
In a telescoping process of the tensile rod, the elastic member 33 can provide a front stable and uniform extruding pressure to the inner peripheral wall of the first pulling rod 10 via the first friction seat 31 and the second friction seat 32, respectively, which can greatly provide the stability of the tensile rod and extend the service life.
In this embodiment, the elastic member 33 can be a spring or a plastic elastomer, or another component having a certain elasticity. The first friction seat 31 and the second friction seat 32 can both be arranged in a semi-circular tubular shape and can be combined to be assembled into a sleeve.
In order to facilitate installation and fixation, improve the stability of the first friction seat 31 and the second friction seat 32, and make the friction force between the first pulling rod 10 and the second pulling rod 20 are evenly distributed so as to further improve the stability of the tensile rod, in an embodiment, referring to
The first connecting arm 311 and the second connecting arm 321 can be locked and fixed by a screw. Of course, in some other embodiments, the first connecting arm 311 and the second connecting arm 321 can also be fixed by a rivet, clamping connection, adhesive bonding or hot melt connection, and so on, which is not limited herein.
Referring to
In this embodiment, the friction sheet 34 can be a separate component. The two friction sheets 34 can be provided. The two friction sheets 34 are affixed to the first friction seat 31 and the second friction seat 32, respectively. Of course, in some other embodiments, one of the friction sheets 34 can be integral with the first friction seat 31, and the other of the friction sheets 34 can be integral with the second friction seat 32. No specific limitation is provided here.
The friction sheet 34 can be made of metal or plastic cement having an abrasion resistance property or the like, which is not limited herein.
Referring to
In this embodiment, the rod sleeve 11 also has a guiding function that guides the first pulling rod 10 to move, which can prevent the first pulling rod 10 from being deviated from a motion trajectory and damaging the extruding assembly 30 between the first pulling rod 10 and the second pulling rod 20, thereby improving the stability of the tensile rod and further extending the service life.
The present utility model also proposes a bracket, including a tensile rod. A specific structure of the tensile rod refers to the above embodiments. Since the bracket proposed by the present utility includes all the solutions of all the above embodiments of the tensile rod, the bracket has at least the same technical effect as the tensile rod, which is not described here.
The forgoing is only a preferred embodiment of the utility model and is not intended to limit the patent scope of the utility model. Under the inventive concept of the utility model, an equivalent structure variation made by the contents of the description and drawings of the utility model directly/indirectly applied to other related arts is included in the scope of patent protection of the utility model.
| Number | Date | Country | Kind |
|---|---|---|---|
| 202122534438.6 | Oct 2021 | CN | national |
