Switching mechanism for traction device

Abstract

A switching mechanism for traction device is provided, including: a push-pull button 1, a push-pull button decoration ring 2, a switching button 3, a reset spring 4, a right shell 5, a reel 6 and a left shell 7; wherein the push-pull button decoration ring 2 is sleeved on the push-pull button 1, in such a manner that the push-pull button 1 is fitted with a cambered surface of the left shell 7 and a cambered surface of the right shell 5; the switching button 3 is sleeved in the push-pull button 1; the push-pull button 1, the push-pull button decoration ring 2 and the switching button 3 form an integrated unit and are provided on the right shell 5 and the left shell 7. Sealing treatment is performed, in such a manner that deep hole directly entering internal part of the products is prevented.

Claims

1. A switching mechanism for a traction device, comprising: a push-pull button (1), a push-pull button decoration ring (2), a switching button (3), a reset spring (4), a right shell (5), a reel (6) and a left shell (7); wherein the push-pull button decoration ring (2) is sleeved on the push-pull button (1), in such a manner that the push-pull button (1) is fitted with a cambered surface of the left shell (7) and a cambered surface of the right shell (5); the switching button (3) is sleeved in the push-pull button (1); the push-pull button (1), the push-pull button decoration ring (2) and the switching button (3) form an integrated unit and are provided on the right shell (5) and the left shell (7); the reel (6) is provided on a central shaft of the right shell (5); the reset spring (4) is provided in the switching button (3); a guide rib (9) is provided on the push-pull button (1) for being received in a guide grove (10) of the left shell (7) and the right shell (5); wherein when the switching button (3) is pressed and the push-pull button (1) is pulled backward, a limit platform (14) provided on the push-pull button (1) blocks a lock hook on the switching button (3), so as achieve a complete locking.

2. The switching mechanism for the traction device, as recited in claim 1, wherein a damping sheet (13) is provided on the push-pull button (1).

3. The switching mechanism for the traction device, as recited in claim 1, wherein a damping groove (12) is provided on the right shell (5).

4. The switching mechanism for the traction device, as recited in claim 1, wherein a wire-out opening (8) is provided on the right shell (5) and the left shell (7).

5. The switching mechanism for the traction device, as recited in claim 1, further comprising a switching limit post (11) provided on the switching button(3), so as to limit the switching button (3).

Description

BRIEF DESCRIPTION OF THE DRAWINGS

[0018] FIG. 1 is an exploded view of a switching mechanism for a traction device.

[0019] FIG. 2 is a front view of the switching mechanism for the traction device of the present invention.

[0020] FIG. 3 is a side view of the switching mechanism for the traction device of the present invention.

[0021] FIG. 4 is a sketch view of the switching mechanism for the traction device of the present invention in an unlocking state.

[0022] FIG. 5 is a sketch view of the switching mechanism for the traction device of the present invention in an unlocking state.

[0023] Reference numbers in the Figs: 1-push-pull button; 2- push-pull button decoration ring;

[0024] 3-switching button; 4-reset spring; 5-right shell; 6-reel; 7-left shell; 8-wire-out opening; 9-guide rib; 10-guide groove; 11-switching limit post; 12-damping groove; 13-damping sheet; 14-limit platform; 15-manual button hook.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT

[0025] Referring to FIGS. 1-5, the present invention provides a switching mechanism for a traction device, comprising: a push-pull button 1, a push-pull button decoration ring 2, a switching button 3, a reset spring 4, a right shell 5, a reel 6 and a left shell 7; wherein the push-pull button decoration ring 2 is sleeved on the push-pull button 1, in such a manner that the push-pull button 1 is fitted with a cambered surface of the left shell 7 and a cambered surface of the right shell 5; the switching button 3 is sleeved in the push-pull button 1; the push-pull button 1, the push-pull button decoration ring 2 and the switching button 3 form an integrated unit and are provided on the right shell 5 and the left shell 7; the reel 6 is provided on a central shaft of the right shell 5; the reset spring 4 is provided in the switching button 3; a guide rib 9 is provided on the push-pull button 1 for being received in a guide grove 10 of the left shell 7 and the right shell 5; wherein when the switching button 3 is pressed and the push-pull button 1 is pulled backward, a limit platform 14 provided on the push-pull button 1 blocks a lock hook on the switching button 3, so as achieve a complete locking.

[0026] Preferably, a damping sheet 13 is provided on the push-pull button 1.

[0027] Preferably, a damping groove 12 is provided on the right shell 5.

[0028] Preferably, a wire-out opening 8 is provided on the right shell 5 and the left shell 7.

[0029] Preferably, the switching mechanism for the traction device further comprising a switching limit post 11 provided on the switching button 3, so as to limit the switching button 3.

[0030] FIG. 4 is a sketch view of the switching mechanism for the traction device of the present invention in an unlocking state; wherein only by pressing the switching button while pushing the push-pull button, a complete unlocking process is achieved, which is simple fast and convenient.

[0031] FIG. 5 is a sketch view of the switching mechanism for the traction device of the present invention in an unlocking state, wherein only by pressing the switching button while pulling the push-pull button, a complete locking process is achieved, which is simple fast and convenient.

[0032] One skilled in the art will understand that the embodiment of the present invention as shown in the drawings and described above is exemplary only and not intended to be limiting.

[0033] It will thus be seen that the objects of the present invention have been fully and effectively accomplished. Its embodiments have been shown and described for the purposes of illustrating the functional and structural principles of the present invention and is subject to change without departure from such principles. Therefore, this invention includes all modifications encompassed within the spirit and scope of the following claims.