CN209732277U

CN209732277U - Pet tractor

Info

Publication number: CN209732277U
Application number: CN201822115802.3U
Authority: CN
Inventors: 马军
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-12-17
Filing date: 2018-12-17
Publication date: 2019-12-06
Anticipated expiration: 2028-12-17

Abstract

The utility model provides a pair of pet tractor, include: one side of the shell is provided with a key opening; and a turntable mounted in the housing; the end surface of the side wall of the turntable is provided with a plurality of convex limiting parts; a first key, a second key and a third key are arranged on one side of the turntable, and the top ends of the first key, the second key and the third key penetrate through the key openings; the second key is arranged between the first key and the third key; the middle part of the first key is hinged with the inner side wall of the shell, the outer side wall of the second key is provided with a lug, and the bottom of the first key is used for supporting the lug; the bottom end of the second button is hinged with a limiting block, the bottom of the limiting block is provided with a limiting groove matched with the limiting part, one end of the limiting block is connected with a connecting rod, and the top end of the connecting rod abuts against the third button. The utility model provides a current pet tractor need operating personnel to last to press the button just can prevent that the line wheel from rotating for the haulage rope keeps certain length, and its operation is hard and inconvenient swift defect.

Description

Pet tractor

Technical Field

The utility model relates to a pet articles for use field, concretely relates to pet tractor.

Background

At present, more and more people begin to use dog tractors to tie up pet dogs for walking dogs. A brake switch of a wire wheel in a dog leash is an important component of the dog leash and needs to have double braking functions of suspending the rotation of the wire wheel and locking the rotation of the wire wheel.

In the prior art, just as the patent of patent document 1: CN201220579479.5, the utility model provides a single button type dog leash wheel brake switch; it brakes through the single button of simplifying, and it needs operating personnel to press the button continuously just can prevent that the line wheel from rotating for the haulage rope keeps certain length, and its operation is hard and not convenient and swift.

Disclosure of Invention

Technical problem to be solved

the utility model aims at providing a pet tractor has solved current pet tractor and needs operating personnel to last to press the button just can prevent that the line wheel from rotating for the haulage rope keeps certain length, and its operation is hard and inconvenient swift defect.

(II) technical scheme

In order to solve the technical problem, the utility model provides a pair of pet tractor, include: a housing, one side of which is provided with a key opening; and

A turntable mounted in the housing; the end surface of the side wall of the turntable is provided with a plurality of convex limiting parts; a first key, a second key and a third key are arranged on one side of the turntable, and the top ends of the first key, the second key and the third key penetrate through the key openings; the second key is arranged between the first key and the third key; the middle part of the first key is hinged with the inner side wall of the shell, the outer side wall of the second key is provided with a convex block, and the bottom of the first key is used for supporting the convex block so as to limit the rebound of the second key; the middle part of the third key is hinged with the inner side wall of the shell; the bottom end of the second key is hinged with a limiting block, the bottom of the limiting block is provided with a limiting groove matched with the limiting part, the other end of the limiting block, which is far away from the second key, extends to one side of a third key, one end of the limiting block is connected with a connecting rod, and the top end of the connecting rod props against the third key; the limiting block is provided with an inclined plane which is obliquely downwards inclined from one side of the first key to the other side. The utility model adopts the first button, the second button and the third button, and the first button, the third button and the second button are in linkage fit; it is achieved that 1) the strap can be retracted but not pulled out; 2) locking the belt immobility; 3) can automatically withdraw and the like; its function is various, has solved current pet tractor and need operating personnel to press the button continuously just can prevent that the line wheel from rotating for the haulage rope keeps certain length, and its operation is hard and inconvenient swift defect.

preferably, the pet retractor further comprises a pivot part and at least one elastic element, wherein the pivot part is arranged at the center inside the turntable; the two ends of the elastic element are respectively connected with the pivot part and the inner side wall of the rotary table and used for driving the rotary table to automatically rotate. Preferably, the elastic element is a coil spring. The pivot part can be rotated or fixed.

Preferably, the pet retractor further comprises a traction rope, the traction rope is wound on the surface of the rotary table, and one end of the traction rope is fixed on the rotary table; the shell is provided with an opening so as to facilitate the traction rope to pass through. Preferably, the hauling cable is a nylon belt.

Preferably, the top end of the connecting rod is provided with a cap, the bottom end of the cap is provided with a first spring, one end of the first spring abuts against the cap, and the other end of the first spring abuts against the limiting block.

Preferably, the inner side wall of the shell is provided with a fixing lug.

preferably, a convex column is arranged at one end of the first key, which is far away from the second key, a second spring is arranged on the convex column, one end of the second spring props against the convex column, and the other end of the second spring props against the fixed lug. The utility model discloses a second spring for the first button ejecting elasticity is made in the provision, does not need operating personnel to last to press first button, just can prevent that the second button from returning the shelves automatically.

Preferably, the second key is hollow, the second key is provided with a bottom block and a third spring, one end of the bottom block abuts against the limiting block, one end of the third spring abuts against the bottom block, and the other end of the third spring abuts against the top of the second key. The utility model discloses be equipped with the spring in the second button for provide the elasticity that makes the second button reset.

Preferably, a first fixed rotating shaft is installed on the inner side wall of the shell, a first through hole is formed in the middle of the first key, and the first fixed rotating shaft can be inserted into the first through hole in a matched mode. The structure is simple, the disassembly and the assembly are convenient, and the structural strength is high.

preferably, a second fixed rotating shaft is installed on the inner side wall of the shell, a second through hole is formed in the middle of the third key, and the second fixed rotating shaft can be inserted into the second through hole in a matched mode. The structure is simple, the disassembly and the assembly are convenient, and the structural strength is high.

(III) advantageous effects

The utility model provides a pair of pet tractor, it has following advantage:

1. The utility model adopts the first button, the second button and the third button, and the first button, the third button and the second button are in linkage fit; it is achieved that 1) the strap can be retracted but not pulled out; 2) locking the belt immobility; 3) can automatically withdraw and the like; its function is various, has solved current pet tractor and need operating personnel to press the button continuously just can prevent that the line wheel from rotating for the haulage rope keeps certain length, and its operation is hard and inconvenient swift defect.

Drawings

FIG. 1 is a cross-sectional view of an embodiment of the present invention;

Fig. 2 is a partial structure diagram of a first button, a second button and a third button of the embodiment of the present invention shown in fig. 1;

Fig. 3 is an internal structure diagram of the turntable according to the embodiment of the present invention shown in fig. 1.

1. A housing; 2. a key opening; 3. a turntable; 4. a first key; 5. a second key; 6. a third key; 7. a bump; 8. a limiting groove; 9. a limiting part; 10. a connecting rod; 11. a pivot part; 12. a coil spring; 13. a limiting block; 14. an opening; 15. capping; 16. a first spring; 17. fixing the bump; 18. a convex column; 19. a second spring; 20. a bottom block; 21. a third spring; 22. a first fixed rotating shaft; 23. a first through hole; 24. a second fixed rotating shaft; 25. a second through hole; 26. a bevel.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically coupled, directly coupled, or indirectly coupled through an intermediary. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, 2 and 3, the present invention provides a pet retractor, which comprises: the method comprises the following steps: a shell 1, one side of which is provided with a key opening 2; and a turntable 3 mounted in the housing; the end surface of the side wall of the turntable is provided with a plurality of convex limiting parts 9; a first key 4, a second key 5 and a third key 6 are arranged on one side of the turntable, and the top ends of the first key, the second key and the third key penetrate through the key openings; the second key is arranged between the first key and the third key; the middle part of the first key is hinged with the inner side wall of the shell, the outer side wall of the second key is provided with a lug 7, and the bottom of the first key is used for supporting against the lug so as to limit the rebound of the second key; the middle part of the third key is hinged with the inner side wall of the shell; the bottom end of the second key is hinged with a limiting block 13, the bottom of the limiting block is provided with a limiting groove 8 matched with the limiting part, the other end of the limiting block, which is far away from the second key, extends to one side of the third key, one end of the limiting block is connected with a connecting rod 10, and the top end of the connecting rod supports against the third key. The limiting block is provided with an inclined surface 26 which is obliquely and downwards inclined from one side to the other side of the first key; the inclined plane is positioned at the top of the limiting block and close to one side of the second key.

The pet retractor also comprises a pivot part 11 and a coil spring 12, wherein the pivot part is arranged at the center inside the turntable; and two ends of the coil spring are respectively connected with the pivot part and the inner side wall of the rotary table and used for driving the rotary table to automatically rotate. The pet tractor also comprises a traction rope, the traction rope is wound on the surface of the turntable, and one end of the traction rope is fixed on the turntable; the housing is provided with an opening 14 to facilitate passage of a pull cord. The hauling cable adopts a nylon belt. The connecting rod top is equipped with block 15, first spring 16 is equipped with to the block bottom, first spring one end is supported the block, and the other end supports the stopper. The inner side wall of the shell is provided with a fixed lug 17. One end of the first key, which is far away from the second key, is provided with a convex column 18, a second spring 19 is arranged on the convex column, one end of the second spring props against the convex column, and the other end of the second spring props against the fixed lug. The utility model discloses a second spring for the first button ejecting elasticity is made in the provision, does not need operating personnel to last to press first button, just can prevent that the second button from returning the shelves automatically. The second key is hollow, the second key is provided with a bottom block 20 and a third spring 21, one end of the bottom block props against the limiting block, one end of the third spring props against the bottom block, and the other end of the third spring props against the top of the second key. The utility model discloses be equipped with the third spring in the second button for provide the elasticity that makes the second button reset. The inner side wall of the shell is provided with a first fixed rotating shaft 22, the middle part of the first key is provided with a first through hole 23, and the first fixed rotating shaft can be inserted into the first through hole in a matching mode. The inside wall of the shell is provided with a second fixed rotating shaft 24, the middle part of the third key is provided with a second through hole 25, and the second fixed rotating shaft can be inserted into the second through hole in a matching way.

In the embodiment, the third key is pushed to rotate, and the connecting column moves downwards, so that one end of the limiting block moves downwards, the limiting groove leans against the limiting part, and the rotary disc is locked; or the second key is pressed down to tilt one side of the limiting groove of the limiting block, and the limiting part is released, so that the turntable can rotate freely and can be automatically retracted; pushing the first key to rotate so that the bottom end of the first key abuts against the bump; the second key is prevented from rebounding, the limiting groove inclines from the side close to the first key to the side of the third key and supports against the limiting part, and at the moment, the rotary disc can rotate anticlockwise but cannot rotate clockwise; the strap can now be retracted but not pulled out.

The above-mentioned embodiments are only used for explaining the present invention, wherein the structure, connection mode, etc. of each component can be changed, all the equivalent transformation and improvement performed on the basis of the technical solution of the present invention should not be excluded from the protection scope of the present invention.

Claims

1. A pet retractor, comprising:

A housing, one side of which is provided with a key opening; and

A turntable mounted in the housing; the end surface of the side wall of the turntable is provided with a plurality of convex limiting parts; a first key, a second key and a third key are arranged on one side of the turntable, and the top ends of the first key, the second key and the third key penetrate through the key openings; the second key is arranged between the first key and the third key; the middle part of the first key is hinged with the inner side wall of the shell, the outer side wall of the second key is provided with a convex block, and the bottom of the first key is used for supporting the convex block so as to limit the rebound of the second key; the middle part of the third key is hinged with the inner side wall of the shell; the bottom end of the second key is hinged with a limiting block, the bottom of the limiting block is provided with a limiting groove matched with the limiting part, the other end of the limiting block, which is far away from the second key, extends to one side of the third key, one end of the limiting block is connected with a connecting rod, and the top end of the connecting rod abuts against the third key.

2. the pet retractor of claim 1 further comprising a pivot portion mounted centrally within the turntable and at least one resilient member; the two ends of the elastic element are respectively connected with the pivot part and the inner side wall of the rotary table and used for driving the rotary table to automatically rotate.

3. The pet retractor of claim 2 further comprising a leash, wherein the leash is wound around the surface of the turntable and one end of the leash is fixed to the turntable; the shell is provided with an opening so as to facilitate the traction rope to pass through.

4. The pet retractor of claim 3 wherein the connecting rod has a cap at a top end thereof, and a first spring at a bottom end thereof, the first spring having one end thereof abutting the cap and the other end thereof abutting the stopper.

5. The pet retractor of claim 4 wherein the housing inner sidewall is fitted with a securing tab.

6. The pet retractor of claim 5 wherein the first button has a protrusion on one end thereof remote from the second button, the protrusion having a second spring thereon, one end of the second spring abutting against the protrusion and the other end abutting against the fixed protrusion.

7. The pet retractor according to claim 1 or 2 or 3 or 4 or 5, wherein the second button is hollow, the second button is provided with a bottom block and a third spring, one end of the bottom block abuts against the limiting block, one end of the third spring abuts against the bottom block, and the other end of the third spring abuts against the top of the second button.

8. The pet retractor according to claim 1 or 2 or 3 or 4 or 5, wherein the inner side wall of the housing is provided with a first fixed rotating shaft, the middle part of the first button is provided with a first through hole, and the first fixed rotating shaft can be inserted into the first through hole in a matching way.

9. The pet retractor according to claim 1 or 2 or 3 or 4 or 5, wherein the inner side wall of the housing is provided with a second fixed rotating shaft, the middle part of the third button is provided with a second through hole, and the second fixed rotating shaft can be inserted into the second through hole in a matching way.

10. The pet retractor according to claim 1 or 2 or 3 or 4 or 5 wherein the stopper has a slope sloping obliquely downward from one side of the first button to the other side.