Tractor capable of preventing pets from rushing

Abstract

The utility model provides a tractor capable of preventing pets from rushing, and belongs to the technical field of pet tractors. The tractor capable of preventing the pets from exploding comprises a shell, an elastic assembly and an explosion-proof assembly. A center column and a second fixing column are fixed in the shell, and a switch assembly and a thread bead opening are further installed on the shell; fixed teeth are formed on the surface of the winding disc in the circumferential direction; the elastic assembly comprises a throwing piece and a self-tapping screw, the throwing piece and the torsional spring are connected to the internal thread column in a sleeving mode, and the self-tapping screw is connected to the end of the internal thread column in a threaded mode; the first fixing column is sleeved with the pawl through the round hole, an upper supporting arm and lower clamping teeth are formed on the pawl, and the tension spring is installed between the second fixing column and the lower clamping teeth. According to the utility model, the braid can be effectively prevented from being quickly output, accidents caused by influence on others due to overlong braid output are reduced, and the safety of pet dog traction is improved.

Description

Technical Field

[0001] This utility model relates to the field of pet leash technology, and more specifically, to a leash that prevents pets from lunging forward. Background Technology

[0002] Pet leashes are tools and supplies generally used to lead pets. Suitable for small to medium-sized dogs, they come in various styles, are sturdy, of good quality, attractive, and have a pleasant feel. Their user-friendly design ensures dogs wear them comfortably without any sense of restriction.

[0003] Currently, pet dogs are increasingly appearing in our lives. As a product used to restrain pet dogs, the leash can cause the webbing to extend rapidly when the pet dog suddenly lunges forward, which can affect others and cause accidents. Therefore, it is necessary to propose a leash that prevents pets from lunging forward to solve the above problems. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a leash to prevent pets from lunging, aiming to improve the problem that when a pet dog suddenly lunges, the leash will be rapidly extended, thereby affecting others and causing accidents.

[0005] This utility model is implemented as follows:

[0006] This utility model provides a leash for preventing pets from lunging, including a housing and a winding disc installed inside the housing, as well as an elastic component installed on the winding disc and an anti-surge component installed on the housing.

[0007] The housing is internally fixed with a central column, a first fixed column, and a second fixed column. A switch assembly and a bead socket are also installed on the housing. A first through hole is formed inside the winding disc, which is rotatably fitted onto the central column. An internally threaded column is fixed to one side of the winding disc, and fixed teeth are formed circumferentially on the surface of the winding disc. The elastic component includes a swivel plate, a torsion spring, and a self-tapping screw. A second through hole is formed inside the swivel plate, and the torsion spring is installed on one side of the swivel plate. The swivel plate and the torsion spring are fitted onto the internally threaded column, and the self-tapping screw is threaded to the end of the internally threaded column. The explosion-proof assembly includes a pawl and a tension spring. A circular hole is formed inside the pawl, which is fitted onto the first fixed column through the circular hole. An upper support arm and a lower locking tooth are formed on the upper part of the pawl, and the tension spring is installed between the second fixed column and the lower locking tooth.

[0008] In one embodiment of this utility model, a traction webbing is wound on the winding disc, and the traction webbing extends to the outside through the beaded sleeve.

[0009] In an embodiment of the utility model, one side of the winding disc is formed with a first limiting protrusion and a second limiting protrusion matched with the fling piece.

[0010] In an embodiment of the utility model, the fling piece is internally provided with a second through hole matched with the internally threaded column, and a third through hole is further provided on the fling piece.

[0011] In an embodiment of the utility model, the torsional spring is formed with a first supporting arm and a second supporting arm, and the second supporting arm is inserted into the third through hole.

[0012] In an embodiment of the utility model, the pawl is further fixed with a hanging hole and a limiting plate, and the shell is internally fixed with a limiting piece matched with the limiting plate.

[0013] In an embodiment of the utility model, the tension spring is formed with a hanging ring and a hook at both ends, the hanging ring is sleeved on the second fixed column, and the hook is hung on the hanging hole.

[0014] The utility model discloses a kind of traction devices for preventing pet burst, when using, when pet dog is in normal state, winding disc is normally rotated on center column, simultaneously under the action of switch assembly, traction braid can be normally pulled out and recycled, when pet dog burst, traction braid is quickly pulled out winding disc and quickly rotates, when centrifugal force produced is greater than the tension of torsional spring applied to fling piece, fling piece is rotated from the side of first limiting protrusion to the side of second limiting protrusion under the action of centrifugal force, simultaneously continue rotating with winding disc, fling piece is quickly contacted with upper supporting arm and drives pawl counterclockwise when rotating, so that lower tooth is clamped in the side of fixed tooth on the surface of winding disc, winding disc is locked dead traction braid cannot be pulled out, to realize anti-burst effect, when pet dog burst ends, fling piece is reset and adheres to first limiting protrusion under the elasticity of torsional spring, simultaneously pawl is reset and extrudes fixed tooth and makes winding disc produce short-term reverse under the tension of tension spring, so that winding disc restores normal traction braid can be normally stretched and contracted, so that traction device can effectively prevent braid fast output when using, reduce the accident caused by braid output too long to affect others, improve the safety of pet dog traction. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be briefly introduced to the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the utility model, and should not be regarded as the limitation to the scope, and for ordinary skilled person in the art, other related drawings can be obtained according to these drawings without creating labor.

[0016] Figure 1 is a partial exploded structure schematic view of the puller provided by the embodiment of the present utility model for preventing pet from rushing;

[0017] Figure 2 is a partial exploded structure schematic view of the anti-rushing assembly of the puller provided by the embodiment of the present utility model for preventing pet from rushing;

[0018] Figure 3 is a partial exploded structure schematic view of the winding disc and elastic assembly of the puller provided by the embodiment of the present utility model for preventing pet from rushing;

[0019] Figure 4 is a schematic view of the installation structure of the elastic assembly of the puller provided by the embodiment of the present utility model for preventing pet from rushing;

[0020] Figure 5 is a schematic view of the installation structure of the elastic assembly of the puller provided by the embodiment of the present utility model for preventing pet from rushing;

[0021] Figure 6 is a schematic view of the installation structure of the anti-rushing assembly of the puller provided by the embodiment of the present utility model for preventing pet from rushing;

[0022] Figure 7 is a schematic view of the rotation structure of the puller provided by the embodiment of the present utility model for preventing pet from rushing;

[0023] Figure 8 is a schematic view of the rotation structure of the anti-rushing assembly of the puller provided by the embodiment of the present utility model for preventing pet from rushing.

[0024] In the figure: 100 - shell; 110 - central column; 120 - first fixed column; 130 - second fixed column; 140 - limiting sheet; 150 - switch assembly; 160 - line bead opening; 200 - winding disc; 201 - pulling belt; 202 - first through hole; 210 - internal thread column; 220 - first limiting protrusion; 230 - second limiting protrusion; 240 - fixed tooth; 300 - elastic assembly; 310 - flapping sheet; 311 - second through hole; 312 - third through hole; 320 - torsional spring; 321 - first branch arm; 322 - second branch arm; 330 - self-tapping screw; 400 - anti-rushing assembly; 410 - pawl; 411 - round hole; 412 - upper branch arm; 413 - lower clamping tooth; 414 - hanging hole; 415 - limiting plate; 420 - tension spring; 421 - hanging ring; 422 - hook. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the utility model embodiment clearer, the technical scheme in the utility model embodiment will be described clearly and completely in combination with the drawings in the utility model embodiment below. Obviously, the described embodiment is part of the utility model, rather than all the embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model. Embodiment

[0026] Please refer to Figures 1-8 The utility model provides a kind of technical scheme: a traction device to prevent pet from rushing, including shell 100 and installation in shell 100 winding disc 200, and installation elastic component 300 on winding disc 200 and installation anti-rushing component 400 on shell 100.

[0027] Please refer to Figure 1 、 Figure 2 And Figures 6-8 The inside of shell 100 is fixed with center column 110, first fixed column 120 and second fixed column 130, shell 100 is also installed with switch component 150 and line bead mouth 160, here switch component 150 is used to control winding disc 200 to rotate.

[0028] Traction braid 201 is wound on winding disc 200, and traction braid 201 extends to the outside through line bead mouth 160, here switch component 150 is used to limit switch operation to traction braid 201 when pet is in normal state.

[0029] Please refer to Figure 1 、 Figure 3 And Figures 5-8 First through hole 202 is formed in the inside of winding disc 200, and first through hole 202 is rotatably connected to center column 110, and internally threaded column 210 is fixed to one side of winding disc 200, and fixed teeth 240 are formed on the surface of winding disc 200.

[0030] First limit protrusion 220 and second limit protrusion 230 are formed on one side of winding disc 200 and matched with flapper 310, here first limit protrusion 220 is used to limit flapper 310 under the elastic action of torsion spring 320, here second limit protrusion 230 is used to limit flapper 310 when the centrifugal force of winding disc 200 rotation is greater than the elasticity of torsion spring 320 when pet dog rushes.

[0031] Please refer to Figure 1 、 Figure 3 And Figures 4-8The elastic assembly 300 comprises a flapper 310, a torsion spring 320 and a self-tapping screw 330, the inside of the flapper 310 is provided with a second through hole 311, the torsion spring 320 is installed on one side of the flapper 310, the flapper 310 and the torsion spring 320 are sleeved on the inner threaded column 210, and the self-tapping screw 330 is threadedly connected at the end of the inner threaded column 210.

[0032] The inside of the flapper 310 is provided with the second through hole 311 matched with the inner threaded column 210, and the flapper 310 is also provided with a third through hole 312; the torsion spring 320 is formed with a first branch arm 321 and a second branch arm 322, and the second branch arm 322 is inserted into the inside of the third through hole 312, and the second through hole 311 and the third through hole 312 can conveniently install the flapper 310 and the torsion spring 320.

[0033] Please refer to Figure 1 、 Figure 2 and Figures 6-8 , the explosion-proof assembly 400 comprises a pawl 410 and a tension spring 420, the inside of the pawl 410 is provided with a round hole 411, the pawl 410 is sleeved on the first fixed column 120 through the round hole 411, the pawl 410 is formed with an upper branch arm 412 and a lower tooth 413, and the tension spring 420 is installed between the second fixed column 130 and the lower tooth 413.

[0034] The pawl 410 is also fixed with a hanging hole 414 and a limiting plate 415, the inside of the shell 100 is fixed with a limiting sheet 140 matched with the limiting plate 415, and the limiting sheet 140 can limit the pawl 410 to be stable when the pawl 410 is in a normal state. The two ends of the tension spring 420 are formed with a hanging ring 421 and a hook 422, the hanging ring 421 is sleeved on the second fixed column 130, and the hook 422 is hung on the hanging hole 414, and the hanging ring 421 and the hook 422 can conveniently install the tension spring 420.

[0035] Specifically, the working principle of the prevent pet rush of the harness: in use, when the pet dog is in normal state, the winding disc 200 rotates normally on the center column 110, and the traction belt 201 can be normally pulled out and recovered under the action of the switch assembly 150; when the pet dog rushes, the traction belt 201 is quickly pulled out, the winding disc 200 rotates quickly, and the centrifugal force generated is greater than the pulling force of the torsion spring 320 on the flapper 310; the flapper 310 rotates from one side of the first limiting protrusion 220 to one side of the second limiting protrusion 230 under the action of the centrifugal force, and continues to rotate with the winding disc 200; when rotating, the flapper 310 quickly contacts the upper arm 412 and drives the pawl 410 to rotate counterclockwise, so that the lower tooth 413 is clamped on one side of the fixed tooth 240 on the surface of the winding disc 200, the winding disc 200 is locked, the traction belt 201 cannot be pulled out, and the effect of preventing rush is achieved; when the pet dog stops rushing, the flapper 310 is reset to adhere to the first limiting protrusion 220 under the elastic action of the torsion spring 320, and the pawl 410 is reset and presses the fixed tooth 240 under the pulling force of the tension spring 420, so that the winding disc 200 reverses for a short time; in this way, the winding disc 200 returns to normal, and the traction belt 201 can be normally stretched and contracted; in this way, the harness can effectively prevent the rapid output of the belt during use, reduce the influence on others caused by the overlong output of the belt, and improve the safety of the pet dog harness.

[0036] The above only describes preferred embodiments of the present application and is not intended to limit the present application. Those skilled in the art can make various modifications and changes to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A traction device for preventing pet from rushing, comprising a shell (100) and a winding disc (200) installed in the shell (100), an elastic assembly (300) installed on the winding disc (200) and an anti-rushing assembly (400) installed on the shell (100), characterized in that, a center column (110), a first fixed column (120) and a second fixed column (130) are fixed in the shell (100), and a switch assembly (150) and a line bead opening (160) are further installed on the shell (100); a first through hole (202) is formed in the winding disc (200), the first through hole (202) is rotatably sleeved on the center column (110), an internally threaded column (210) is fixed on one side of the winding disc (200), and a plurality of fixed teeth (240) are circumferentially formed on the surface of the winding disc (200); the elastic assembly (300) comprises a flapping piece (310), a torsion spring (320) and a self-tapping screw (330), a second through hole (311) is formed in the flapping piece (310), the torsion spring (320) is installed on one side of the flapping piece (310), the flapping piece (310) and the torsion spring (320) are sleeved on the internally threaded column (210), and the self-tapping screw (330) is threadedly connected to the end of the internally threaded column (210); the anti-rushing assembly (400) comprises a pawl (410) and a tension spring (420), a round hole (411) is formed in the pawl (410), the pawl (410) is sleeved on the first fixed column (120) through the round hole (411), an upper supporting arm (412) and a lower clamping tooth (413) are formed on the pawl (410), and the tension spring (420) is installed between the second fixed column (130) and the lower clamping tooth (413).

2. A harness for preventing lunging in a pet as defined in claim 1, wherein a traction braid (201) is wound on the winding disc (200), and the traction braid (201) extends to the outside through the line bead opening (160).

3. A harness for preventing lunging in a pet as defined in claim 1, wherein a first limiting protrusion (220) and a second limiting protrusion (230) matched with the flapping piece (310) are formed on one side of the winding disc (200).

4. A harness for preventing lunging in a pet according to claim 1, wherein a second through hole (311) matched with the internally threaded column (210) is formed in the flapping piece (310), and a third through hole (312) is further formed in the flapping piece (310).

5. A harness for preventing lunging in a pet according to claim 4, wherein a first supporting arm (321) and a second supporting arm (322) are formed on the torsion spring (320), and the second supporting arm (322) is inserted into the third through hole (312).

6. A harness for preventing lunging in a pet according to claim 1, wherein a hanging hole (414) and a limiting plate (415) are further fixed on the pawl (410), and a limiting piece (140) matched with the limiting plate (415) is fixed in the shell (100).

7. A harness for preventing lunging in a pet according to claim 6, wherein a hanging ring (421) and a hook (422) are formed at both ends of the tension spring (420), the hanging ring (421) is sleeved on the second fixed column (130), and the hook (422) is hung on the hanging hole (414).

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