Goods fastening apparatus with improved structures

Abstract

A goods fastening apparatus with improved structures is disclosed herein, which comprises a body, a pipe fixedly connected to the body and a gear rack passing through the body and partly muff-coupled with the inside of the pipe. A hand grip and a positioning claw are hinged to the body through a primary pivot. A driving claw is hinged to the hand grip through a secondary pivot. A plate spring is positioned between the driving claw and the positioning claw. A mobile stopper sheet pressed against the plate spring is provided at the upper portion of the body. The front ends of the driving claw and the positioning claw can be embedded into the gear teeth of the gear rack with aid of the plate spring. A stopper pin is fixed at the hand grip. The stopper pin is positioned at the edge of one side of the positioning claw facing the gear rack while the front end of the positioning claw is embedded into the gear teeth of the gear rack. Said goods fastening apparatus achieves high working efficiency, and is easy to operate and control.

Description

BRIEF DESCRIPTION OF THE DRAWINGS

The present invention will become more fully understood from the detailed description given herein below for illustration only, and thus are not limitative of the present invention, and wherein:

FIG. 1 is a sectional structural view of the goods fastening apparatus with improved structures according to the first embodiment of the present invention;

FIG. 2 is a top structural view of the goods fastening apparatus with improved structures according to the first embodiment of the present invention;

FIG. 3 is an exploded view of the hand grip of the goods fastening apparatus with improved structures according to the first embodiment of the present invention;

FIG. 4 is a forming view of the hand grip of the goods fastening apparatus with improved structures according to the first embodiment of the present invention;

FIG. 5 is a top view of the hand grip of the goods fastening apparatus with improved structures according to the first embodiment of the present invention;

FIG. 6 is a structural diagram of the full back wrench of the goods fastening apparatus with improved structures according to the first embodiment of the present invention;

FIG. 7 is a structural diagram of the body of the goods fastening apparatus with improved structures according to the first embodiment of the present invention;

FIG. 8 is an enlarged view of the portion I as shown in FIG. 7;

FIG. 9 is a sectional structural view of the goods fastening apparatus with improved structures according to the second embodiment of the present invention;

FIG. 10 is a top structural view of the goods fastening apparatus with improved structures according to the second embodiment of the present invention;

FIG. 11 is an exploded view of the hand grip of the goods fastening apparatus with improved structures according to the second embodiment of the present invention;

FIG. 12 is a forming view of the hand grip of the goods fastening apparatus with improved structures according to the second embodiment of the present invention;

FIG. 13 is a top structural view of the hand grip of the goods fastening apparatus with improved structures according to the second embodiment of the present invention;

FIG. 14 is an exploded view of the full back wrench of the goods fastening apparatus with improved structures according to the second embodiment of the present invention;

FIG. 15 is a forming view of the full back wrench of the goods fastening apparatus with improved structures according to the second embodiment of the present invention;

FIG. 16 is a side structural view of the full back wrench of the goods fastening apparatus with improved structures according to the second embodiment of the present invention;

FIG. 17 is a structural diagram of the body of the goods fastening apparatus with improved structures according to the second embodiment of the present invention;

FIG. 18 is an enlarged view of the portion B as shown in FIG. 17;

FIG. 19 is a sectional structural view of the goods fastening apparatus with improved structures according to the third embodiment of the present invention; and

FIG. 20 is an enlarged view of the portion A as shown in FIG. 19.

Claims

1. A goods fastening apparatus with improved structures, comprising a body (1), a pipe (2) fixedly connected to the body (1) and a gear rack (3) passing through the body (1) and partly muff-coupled with the inside of the pipe (2), wherein a hand grip (4) and a positioning claw (6) are hinged to the body (1) through a primary pivot (5), a driving claw (8) is hinged to the hand grip (4) through a secondary pivot (7), a plate spring (9) is positioned between the driving claw (8) and the positioning claw (6), a mobile stopper sheet (10) pressed against the plate spring (9) is provided at the upper portion of the body (1), the front ends of the driving claw (8) and the positioning claw (9) can be embedded into the gear teeth (31) of the gear rack (3) with aid of the plate spring (9), characterized in that, a stopper pin (11) is fixed at the hand grip (4), which is positioned at the edge of one side of the positioning claw (6) facing the gear rack (3) while the front end of the positioning claw (6) is embedded into the gear teeth (31) of the gear rack (3).

2. The goods fastening apparatus as claimed in claim 1, characterized in that, a control device is set at the hand grip (4) and the body (1) to prevent the frond ends of the driving claw (9) and the positioning claw (6) detaching form the gear rack (3) by restricting the turning angle of the hand grip (4).

3. The goods fastening apparatus as claimed in claim 2, characterized in that, said control device comprises a full back wrench (13) hinged to the hand grip (4) through a pivot (12) and a stopper (14) fixed to the body (1).

4. The goods fastening apparatus as claimed in claim 3, characterized in that, a stopper mouth (141) is set at said stopper (14), and the lower end of the full back wrench (13) is seated against the stopper mouth (141).

5. The goods fastening apparatus as claimed in claim 3, characterized in that, the lower end face (13a) of the full back wrench (13) is seated against the upper end face (14a) of the stopper (14).

6. The goods fastening apparatus as claimed in claim 3, characterized in that, a torsion spring (15) is provided on the pivot (12), the two ends of which act on the hand grip (4) and full back wrench (13) respectively.

7. The goods fastening apparatus as claimed in claim 6, characterized in that, a bar-shaped hole (41) is positioned at said hand grip (4), the lower end of the full back wrench (13) extends out of the bar-shaped hole (41), the full back wrench (13) contacts with one end of the bar-shaped hole (41) by action of the torsion spring (15), in such a case, the lower end of the full back wrench (13) is pressed against a position corresponding to the stopper mouth (141) of said stopper (14).

8. The goods fastening apparatus as claimed in claim 7, characterized in that, a step (133) is set at the lower inner face of the full back wrench (13), which fits to the stopper mouth (141) at the outer side of the stopper (14); said full back wrench (13) has a barb (132) set on the lower outer face, and said stopper (14) has a bayonet (143) set on the inner side thereof which has a profile corresponding to said barb (132).

9. The goods fastening apparatus as claimed in claim 7, characterized in that, a button (131) extending out of the hand grip (4) is disposed at the upper end of the full back wrench (13), which has a sheath (16) set thereon.

10. The goods fastening apparatus as claimed in claim 8, characterized in that, a button (131) extending out of the hand grip (4) is disposed at the upper end of the full back wrench (13), which has a sheath (16) set thereon.

11. The goods fastening apparatus as claimed in claim 6, characterized in that, a bar-shaped hole (41) is positioned at the hand grip (4), the upper end of the full back wrench (13) extends out of the bar-shaped hole (41), the full back wrench (13) contacts with one end of the bar-shaped hole (41) by action of the torsion spring (15), in such a case, the lower end of the full back wrench (13) locates at a position corresponding to the stopper mouth (141) of said stopper (14).

12. The goods fastening apparatus as claimed in claim 11, characterized in that, an arc-like edge (142) is positioned on the side of the stopper mouth (141), and the lower side face of the full back wrench (13) has a profile corresponding to that of said arc-like edge (142).

13. The goods fastening apparatus as claimed in claim 11, characterized in that, a button (131) extending out of the bar-shaped hole (41) is disposed at the upper end of the full back wrench (13), which has a sheath (16) set thereon.