TWM627859U - Unwrapper and double pet leash with the same - Google Patents

Abstract

The utility model relates to a double pet leash unwinder, comprising a harness joint, a leash joint and an axis. The harness joint is fixedly connected with the shaft center, and the pull rope joint is kept free to rotate in front of the harness joint with the shaft center as a fulcrum. The harness connector and the harness connector each have a connecting part, which can connect one harness and two harnesses respectively. The tail end of each harness has a snap hook, which is used to connect a pet collar or chest harness, so as to have an unwinder. The double pet leash, when the two leash are entangled with each other, can be untangled by itself by manually rotating the leash joint, or the leash joint is rotated by the leash, which is simple and efficient. use is very helpful.

Description

Unwrapper and double pet leash with the unwrapper

This creation relates to an unwrapper and a double pet leash equipped with the unwrapper.

Pets are becoming more and more popular as companions for many people. However, just as people love the company of their pets, so do most animals. Because of most people's busy work and other activities, many pet owners choose to keep two or more pets so pets can accompany each other while the owner is at work or away from home.

All pets require a certain amount of time and care from their owners, which depends on the species and size of the animal. Most larger animals are not suitable for continuous confinement and must receive at least some regular exercise to keep their bodies fit and stimulate their minds to keep them alert. However, in most suburbs, pets are not allowed to run free.

Therefore, pets in such environments must be kept on a leash or other restraint to walk or exercise. In this case, owners of multiple pets face the problem of simultaneously controlling their pets. While owners can purchase a leash for each pet, this is a bit redundant as certain components (such as leashes, etc.) are unnecessary duplication. In addition, two pets often try to act independently, especially when immersed in an outdoor environment whose sights, smells, and sounds are attractive to many domestic animals. Two pet owners trying to walk their pets on two leashes are often dragged and pulled in different directions when trying to control their pets at the same time. Therefore, double pet leashes are required (Dual Pet Leash), to allow the pet owner or person in control of the pet to restrain two pets at the same time on a leash.

As shown in Figure 1, it is a typical double pet leash. The double pet leash 50 includes a handhold 51 for the user to hold or hold on the hand to control the pet. The end of the handhold 51 is connected to two leashes 53 through a metal ring 52. Each leash 53 The tail end has a snap hook (Snap Hook) 54, which is used to connect the restraining devices 55 on the two pets 60, such as a collar (Collar) or a chest strap (Harness), etc., so as to form a two pets at a time. Double pet leash 50.

When the above-mentioned double pet leash or similar traction device is used, the two leash will be entangled with each other as the pet changes position, which makes it difficult to operate the double pet leash, and also limits the pet's movement. As a result, the user may be in a hurry to resolve the entanglement, or may be frustrated by the need to resolve the entanglement frequently.

The purpose of this creation is to solve the limitations of the prior art, and to provide an unwrapper and a double pet leash equipped with the unwrapper. Untangle the entanglement, greatly improving the unentanglement efficiency of the double pet leash.

The double pet leash unwinder according to the present invention includes a harness connector and a harness connector, the harness connector is fixedly connected to a shaft, and has a harness connection portion, the harness connector is connected to the axis In order to keep the fulcrum in the front of the harness joint so as to be freely rotatable, a harness connection part is provided.

In a preferred embodiment, the harness connector has a screw hole, and the leash connector includes an axial chamber, the axial chamber is composed of a hole and a shaft hole with an inner diameter relatively smaller than the hole, the axial center It includes a shaft body that fits the shaft hole with clearance, an extension The male thread part which comes out of the leash joint and is screwed with the screw hole, and a flange whose outer diameter is relatively larger than the outer diameter of the shaft body and is kept in the hole.

In a preferred embodiment, the junction between the harness joint and the shaft is fixedly connected using, but not limited to, ultrasonic welding.

In a preferred embodiment, the shaft hole of the leash joint includes a ball socket, and the shaft body of the shaft includes a sphere whose shape fits with the ball socket and is a clearance fit.

In a preferred embodiment, the harness connector has a ring groove and a circular protrusion surrounded by the ring groove, the harness connector has a ring neck and a circular recess surrounded by the ring neck, the ring neck and the circular The concave portion is in clearance fit with the annular groove and the circular convex portion respectively.

In a preferred embodiment, the leash joint is composed of a first part and a second part.

In a preferred embodiment, two positioning holes are provided on the mating surface of the first part, two positioning posts are provided on the mating surface of the second part, and the second part is respectively inserted into the two positioning holes through the two positioning posts And the first part is positioned and matched, and the two parts are fixedly connected by a fastener or ultrasonic welding.

The double pet leash according to the present creation includes an unwrapper, which is formed by the unwrapper described above; a harness, connected to the harness connection part of the harness connector; and two harnesses, connected to the harness The rope connection part of the rope joint; and two spring hooks, respectively connected to the tail ends of the two ropes.

In a preferred embodiment, the reining rope connecting part is two rope-piercing holes, the two reining ropes are composed of a single rope, and one end of the single rope passes through the two rope-piercing holes successively and then stretches toward the other end, thereby The two reins are formed separately, and the two reins are fixedly connected at a position close to the unwinder.

The advantage of this creation is that it has the effect of active/passive disentanglement. When the two reins are entangled with each other, the reining cord joint can be manually rotated, or the reining cord joint can be rotated due to being pulled by the reining cord, so that the entanglement can be automatically entangled. Untangle is simple and efficient, and it is extremely helpful for the use of double pet leashes.

As for the detailed technical content and other purposes and features of the present creation, it can be fully understood with reference to the following description of the embodiments in conjunction with the accompanying drawings.

10: Unwrapper

11: harness connector

12: Strap connection part

13: Ring groove

14: Round convex part

15: screw holes

16: leash connector

16a: The first part

16b: Second part

17: Front end wall

18: Rear end wall

19: Axial ventricle

20: Reining rope connection part

20a: Rope hole

21: Holes

22: Shaft hole

23: Round recess

24: Ring neck

25: Ball socket

26: Positioning hole

27: Positioning post

28: Fasteners

29: Axis

30: Shaft body

31: Flange

32: Male thread part

33: Sphere

40: Double pet leash

41: Harness

42: leash

43: Snap Hook

50: Double pet leash

51: Harness

52: Metal ring

53: Leash

54: Snap hook

55: Restraint Device

60: Pets

Figure 1 is a schematic diagram of a conventional double pet leash in use.

FIG. 2 is a perspective view of the creation of the double pet leash unwrapper.

FIG. 3 is an axial cross-sectional view of the unwinder of FIG. 2 .

FIG. 4 is an exploded perspective view of the unwrapper of FIG. 2 .

Figure 5 is a perspective view of the creation of double pet leashes.

As shown in FIG. 2 to FIG. 4 , the double pet leash untangler (Untangler) 10 disclosed in the present invention includes a harness connector 11 , and the rear end of the harness connector 11 has a harness connection portion 12 for connecting A harness 41 (as shown in FIG. 5 ); in the embodiment of the drawings, the harness connecting portion 12 is a string hole. The front end of the harness connector 11 has a ring groove 13 , a circular protrusion 14 surrounded by the ring groove 13 , and a screw hole 15 located in the center of the circular protrusion 14 . The centers of the annular groove 13 , the circular convex portion 14 and the screw hole 15 are located on the central axis of the harness joint 11 , and their functions will be described later, and will be described for the time being.

The unwinder 10 also includes a leash connector 16 that is held in rotation forward of the harness connector 11 . The leash connector 16 is generally in the shape of a wine barrel, and has a front end wall 17 and a rear end wall 18 opposite to each other, and an axial chamber 19 between the front end wall 17 and the rear end wall 18 . The front end wall 17 is provided with a leash connection portion 20 for connecting the leash 42 (as shown in FIG. 5 ). The axial chamber 19 is composed of a hole 21 adjacent to the front end wall 17 and a shaft hole 22 with an inner diameter smaller than the hole 21 . The leash connector 16 further includes a ring neck 24 protruding from the rear end wall 18 in the axial direction, and a circular recess 23 surrounded by the ring neck 24 , and the circular recess 23 and the ring neck 24 are respectively connected to the circular protrusion 14 And the ring groove 13 is a clearance fit, so that the leash joint 16 can rotate stably under the support of the harness joint 11 .

In order to assemble the unwinder 10, the leash joint 16 is formed by a pair of symmetrical first parts 16a and second parts 16b. The mating surface of the first part 16a has two positioning holes 26, the mating surface of the second part 16b has two positioning posts 27, and the second part 16b is connected to the first part by inserting the two positioning posts 27 into the two positioning holes 26 respectively. 16a, and use a fastener 28, such as a hollow nail, which penetrates through the first part 16a and the second part 16b, to fix the two parts together. The first part 16a and the second part 16b can also be fixedly connected by ultrasonic welding.

The unwinder 10 further includes a shaft 29 that connects the harness connector 11 and the leash connector 16 on the same central axis. The shaft center 29 includes a shaft body 30 , a flange 31 formed radially from the front end of the shaft body 30 , and a male thread portion 32 disposed at the rear end of the shaft body 30 . The shaft body 30 is placed in the shaft hole 22 of the reining cord joint 16, and the two maintain clearance fit, so that the reining cord joint 16 can rotate freely with the axle center 29 as a fulcrum. The flange 31 is confined within the hole 21 of the reining cord connector 16 , preventing the shaft 29 from separating from the reining cord connector 16 . The male threaded portion 32 protrudes from the opening of the shaft hole 22 to the leash adapter 16 , and the shaft center 29 is connected to the leash adapter 11 by screwing the male threaded portion 32 with the screw hole 15 . In a preferred embodiment, the shaft body 30 includes a sphere 33, and the shaft hole 22 includes a shape and a sphere 33 is a ball socket 25 that fits and is a clearance fit. This design helps the leash joint 16 to rotate smoothly. Since the shaft 29 and the harness connector 11 are connected by threads, or there is a risk of loosening, ultrasonic welding or other known techniques can be used at the connection between the two to fix the shaft 29 and the harness connector 11 .

FIG. 5 discloses a dual pet leash 40 with unwinder 10 . The double pet leash 40 is composed of the unwinder 10 formed as above, and a harness 41 , two leash 42 and two spring hooks 43 . Wherein, the harness 41 is connected to the harness connecting portion 12 of the harness connector 11 for the user to grasp or hold on the hand to control the action of the pet. The two leash 42 are connected to the leash connection portion 20 of the leash joint 16 . The two spring hooks 43 are respectively connected to the tail ends of the two pulling ropes 42 . In this way, a double pet leash 40 that can lead two pets at a time is formed. In the embodiment of the drawings, the two reining ropes 42 are separated from a single rope, and one end of the single rope passes through the two rope-piercing holes 20a successively and then stretches toward the other end, thereby forming the two reining ropes 42 separately. , and the second leash 42 is sutured and fixed at a position close to the unwinder 10 to prevent the length of the second leash 42 from being changed.

As shown in FIG. 5 , in the double pet leash 40 provided with the unwrapper 10 , when the two leash 42 are entangled with each other due to the change of position of the pet, the user can manually rotate the leash joint 16 to make the above-mentioned entanglement in the leash. The rope splice 16 disengages itself when it is rotated. In addition, when entanglement occurs, the leash joint 16 may rotate on its own due to being pulled by the leash 42, which will also actively unwind the entanglement. That is, the double pet leash 40 has the function of disentangling the quilt/passive entanglement, which is simple and efficient, and is extremely helpful for the use of the double pet leash.

Of course, the above descriptions are only the preferred embodiments of this creation, and are not intended to limit the patent scope of this creation. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of this creation, or directly or indirectly used in other related The technical field is similarly included in the scope of patent protection of this creation.

10: Unwrapper

40: Double pet leash

41: Harness

42: leash

43: Snap Hook

Claims (9)

An unwinder includes a harness connector and a harness connector, the harness connector is fixedly connected with a shaft, and has a harness connection portion, the harness connector is held on the harness with the axis as a fulcrum The front of the joint is freely rotatable, and is provided with a leash connection part. The unwinder as claimed in claim 1, wherein the harness connector has a screw hole, the leash connector includes an axial chamber, and the axial chamber is composed of a hole and a shaft hole with an inner diameter relatively smaller than the hole , the shaft center includes a shaft body that is clearance fit with the shaft hole, a male thread portion that extends out of the leash joint and is screwed with the screw hole, and an outer diameter that is relatively larger than the outer diameter of the shaft body. flange in the hole. The unwinder as claimed in claim 2, wherein the connection between the harness joint and the shaft is fixedly connected using, but not limited to, ultrasonic welding. The unwinder according to claim 2, wherein the shaft hole of the leash joint comprises a ball socket, and the shaft body of the shaft comprises a sphere whose shape fits with the ball socket and is a clearance fit. The unwinder as claimed in claim 1, wherein the harness connector has a ring groove and a circular protrusion surrounded by the ring groove, the harness connector has a ring neck and a circular recess surrounded by the ring neck, the The ring neck and the circular concave part are in clearance fit with the ring groove and the circular convex part respectively. The unwinder as claimed in claim 1, wherein the leash joint is composed of a first part and a second part in combination. The unwrapper according to claim 6, wherein two positioning holes are provided on the abutting surface of the first part, two positioning posts are provided on the abutting surface of the second part, and the second part is respectively embedded through the two positioning posts The two positioning holes are aligned with the first component together, and use a fastener or ultrasonic welding to fix the two parts together. A double pet leash comprising: an unwrapper formed by the unwrapper of any one of claims 1 to 7; a harness, connected to the harness connector of the harness connector; two leash, connected to the leash connection portion of the leash connector; and Two spring hooks are respectively connected to the tail ends of the two reining ropes. The double pet leash as claimed in claim 8, wherein the leash connection part is two rope-piercing holes, the two leash are composed of a single rope, and one end of the single rope passes through the two rope-piercing holes successively and then faces the other side. One end is stretched to form the two reining cords separately, and the two reining cords are fixedly connected at a position close to the unwinder.

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