CN211322551U - Pet traction device - Google Patents

Abstract

A pet traction device relates to the field of traction devices, and the utility model comprises a first upper shell; a first lower case integrally processed with the first upper case; a second upper case; a second lower case integrally processed with the second upper case; the first upper shell and the second upper shell are relatively fixed, and the first lower shell and the second lower shell are relatively fixed; a button assembly and a rotary fixing assembly installed inside the first lower case and the second lower case; and the traction rope in-out mechanism is arranged on the side surfaces of the first lower shell and the second lower shell. The utility model provides a pet draw gear can effectively reduce the emergence of the damaged condition, reduces rope fracture probability, improves user's use quality, improves life.

Description

Pet traction device

Technical Field

The utility model relates to a draw gear technical field, concretely relates to pet draw gear.

Background

With the continuous improvement of the living standard of people and the continuous development of national economy, the living quality of people is higher and higher, and a plurality of families can nourish pets like cats, dogs and the like, especially pets lovely by a plurality of solitary old people, so as to lead the time to be saved and play a role of accompanying. However, pets are animals different from humans, are naturally active, and especially when the pets are dysphoric and unstable in temperament, they may collide with children or adults, causing harm to them. For this reason, many owners create leashes for pets to prevent the pet from injuring or losing.

Currently, the existing pet leashes or retractors have the following problems:

1. the rope is easy to break and is unsafe when the pet runs suddenly or is active.

2. The rope is easily twisted and can also be difficult to retract.

3. The rope recovery mechanism is easy to break and the rope can not be recovered.

4. The existing pet tractor has too large volume and too heavy mass, and is inconvenient to carry.

5. The existing pet tractor can not effectively lock the rope, the rope can still be pulled out in the locking state, and the structure is not compact enough.

SUMMERY OF THE UTILITY MODEL

In order to solve the above-mentioned a great deal of problem that current pet haulage rope and tractor exist, the utility model provides a pet draw gear can effectively reduce the emergence of the damaged condition, reduces rope fracture probability, improves user's use quality, improves life.

The utility model discloses a solve the technical scheme that technical problem adopted as follows:

the utility model discloses a pet draw gear, include:

a first upper case;

a first lower case integrally processed with the first upper case;

a second upper case;

a second lower case integrally processed with the second upper case;

the first upper shell and the second upper shell are relatively fixed, and the first lower shell and the second lower shell are relatively fixed;

a button assembly and a rotary fixing assembly installed inside the first lower case and the second lower case;

and the traction rope in-out mechanism is arranged on the side surfaces of the first lower shell and the second lower shell.

Further, still including fixing the first fixation clamp in first inferior valve and second inferior valve side edge, fixing the second fixation clamp at first inferior valve and second inferior valve lower limb, setting up the first surface recess on first inferior valve surface and setting up the second surface recess on second inferior valve surface.

Furthermore, a tenth connecting column, an eleventh connecting column, a twelfth connecting column and a second opening edge are arranged in the first upper shell;

a first connecting column, a second connecting column, a third connecting column and a first opening edge are arranged in the second upper shell;

the first connecting column, the second connecting column and the third connecting column are respectively connected with the tenth connecting column, the eleventh connecting column and the twelfth connecting column in a one-to-one correspondence mode, and the edge of the first opening is opposite to the edge of the second opening.

Further, a third fixing column, a second semi-arc opening, a fourth fixing column, a thirteenth connecting column, a fourth limiting column, a fifth limiting column, a sixth limiting column, a fourteenth connecting column, a third limiting ring, a second traction rope outlet mechanism mounting groove, a fifteenth connecting column, a sixteenth connecting column, a seventeenth connecting column, a first fixing ring, a second fixing ring, a third fixing ring, a central column, a second limiting plate and an eighteenth connecting column are arranged in the first lower shell;

a first fixing column, a fourth connecting column, a second fixing column, a first limiting column, a second limiting column, a third limiting column, a traction rope fixing column, a first limiting ring, a fifth connecting column, a second limiting ring, a first traction rope outlet mechanism mounting groove, a sixth connecting column, a seventh connecting column, an eighth connecting column, a fixed mounting shaft, a first limiting plate, a ninth connecting column and a first semi-arc opening are arranged in the second lower shell;

the first fixing column, the fourth connecting column, the second fixing column, the fifth connecting column, the sixth connecting column, the seventh connecting column, the eighth connecting column and the ninth connecting column are respectively connected with the third fixing column, the thirteenth connecting column, the fourth fixing column, the fourteenth connecting column, the fifteenth connecting column, the sixteenth connecting column, the seventeenth connecting column and the eighteenth connecting column in a one-to-one correspondence manner, the first semi-arc-shaped opening and the second semi-arc-shaped opening are oppositely arranged, and the first semi-arc-shaped opening and the second semi-arc-shaped opening form an opening;

the first traction rope outlet mechanism mounting groove and the second traction rope outlet mechanism mounting groove are oppositely arranged; the first traction rope outlet mechanism mounting groove and the second traction rope outlet mechanism mounting groove form a traction rope outlet mechanism mounting groove.

Further, the button assembly includes: the device comprises a button, a sleeve, a spring, a telescopic clamping piece and a rotary clamping piece; one end of the spring is fixed on the telescopic clamping piece, the other end of the spring is fixed on the sleeve, the sleeve is sleeved at the lower end of the button, the rotary clamping piece is installed inside the button and the sleeve, the upper end of the telescopic clamping piece is installed inside the rotary clamping piece, and the button is installed in an opening formed by the first semi-arc-shaped opening and the second semi-arc-shaped opening.

Furthermore, the button is hollow, the upper surface of the button is of an inclined plane structure, six rectangular limiting columns are arranged on the side face of the lower end of the button, six first waveform protruding structures are arranged on the end face of the lower end of the button, and the surface of each first waveform protruding structure is a first inclined plane;

the upper end of the telescopic clamping piece is provided with a cylinder, the lower end of the cylinder is provided with an installation base, the upper surface of the installation base is provided with a seventh fixing ring and an eighth fixing ring, the lower surface of the installation base is provided with a first clamping block, a first waveform clamping block, a second waveform clamping block and a second clamping block, the first clamping block and the first waveform clamping block are in a group and are positioned on the left side, and the second waveform clamping block and the second clamping block are in a group and are positioned on the right side;

the upper end of the rotary clamping piece is provided with a small cylinder, the lower end of the rotary clamping piece is provided with a large cylinder, the lower end of the large cylinder is provided with an annular convex structure, the upper end of the large cylinder is provided with three second waveform protruding structures and three third waveform protruding structures, the outer wall of the large cylinder is provided with three second convex structures, the upper edge of each second convex structure is provided with a third inclined plane, a cylinder in the telescopic clamping piece is installed in the large cylinder, the cylinder and the large cylinder are in interference fit, meanwhile, the upper end of the cylinder props against the lower end of the small cylinder, and the small cylinder extends into the button; the three second waveform protruding structures and the three third waveform protruding structures are matched with the six first waveform protruding structures at the lower end of the button respectively, namely a groove is formed between one second waveform protruding structure and one adjacent third waveform protruding structure, one first waveform protruding structure is correspondingly installed in the groove, and after the button and the rotary clamping piece are installed, the three non-adjacent ones of the six rectangular limiting columns on the button vertically correspond to the three second protruding structures one by one respectively.

Furthermore, a first connecting block and a second connecting block are arranged outside the sleeve, the first connecting block is respectively connected with the first fixing column and the third fixing column through screws, the second connecting block is respectively connected with the second fixing column and the fourth fixing column through screws, six first protruding structures are arranged inside the sleeve, a rectangular groove is formed between every two first protruding structures, three rectangular grooves are formed in total, a second inclined plane is arranged at the lower end of each first protruding structure, the sleeve is sleeved on the button, the rotary clamping piece and the outside of the cylinder, the upper end of the sleeve is sleeved on the lower end of the button, three rectangular limiting columns in the six rectangular limiting columns at the lower end of the button, which are vertically corresponding to the three second protruding structures one by one, are arranged in the three rectangular grooves one by one, and the three second protruding structures are arranged in the three rectangular grooves one by one;

one end of the spring is fixed in the seventh fixing ring and the eighth fixing ring, and the other end of the spring is fixed on the outer cylinder wall of the sleeve;

the first limiting column and the third limiting column are respectively arranged on two sides of one end of the mounting seat, the fourth limiting column and the sixth limiting column are respectively arranged on two sides of the other end of the mounting seat, the mounting seat is limited through the first limiting column, the third limiting column, the fourth limiting column and the sixth limiting column, the fifth limiting column is arranged on the side face of the first clamping block, the second limiting column is arranged on the side face of the second clamping block, the first clamping block is limited through the fifth limiting column, and the second clamping block is limited through the second limiting column;

the first inclined planes of the surfaces of the six first wave-shaped protruding structures are respectively matched with the three second wave-shaped protruding structure surface inclined planes and the three third wave-shaped protruding structure surface inclined planes in a one-to-one correspondence mode, and the third inclined planes of the upper edges of the second protruding structures do not correspond to the first inclined planes and correspond to the rectangular limiting columns.

Furthermore, the rotary fixing component comprises a first rotating wheel and a second rotating wheel, the first rotating wheel is connected with the second rotating wheel through a connecting cylinder, the edge of a wheel disc of the first rotating wheel is provided with 24 tooth-shaped structures, a clamping groove is formed between every two tooth-shaped structures, a light-weight structure is arranged on the wheel disc of the first rotating wheel, the outer ring of the light-weight structure is connected with the inner ring of the 24 tooth-shaped structures, the inner ring of the light-weight structure is connected with a fourth fixing ring, the fifth fixing ring is positioned at the inner ring of the fourth fixing ring, the fifth fixing ring is fixed on the wheel disc of the first rotating wheel, the sixth fixing ring is positioned at the inner ring of the fifth fixing ring, the sixth fixing ring is fixed on the wheel disc of the first rotating wheel, the center ring is positioned at the inner ring of the sixth fixing ring, the center ring is;

the light weight structure of the first rotating wheel is limited through a second limiting ring, and the wheel disc of the first rotating wheel is limited through a first limiting ring; the light weight structure of the second rotating wheel is limited through a third limiting ring;

the centre ring suit of first runner is on the fixed mounting axle of second inferior valve, and simultaneously, the centre ring suit of second runner is on the center post of first inferior valve, and the solid fixed ring of fourth of second runner is installed in first solid fixed ring outer lane, and the solid fixed ring of fifth of second runner is installed in the annular groove between first solid fixed ring and the solid fixed ring of second, and the solid fixed ring of sixth of second runner is installed in the annular groove between the solid fixed ring of second and the solid fixed ring of third.

Further, the pull-cord entry and exit mechanism comprises: the device comprises a body, an annular structure, an inlet and outlet inclined plane and a traction rope inlet and outlet, wherein the traction rope inlet and outlet is arranged in the middle of the body, the inlet and outlet inclined plane is arranged at the edge of the traction rope inlet and outlet, the annular structure is arranged at the outer edge of the body and is arranged in a traction rope outlet mechanism mounting groove formed by a first traction rope outlet mechanism mounting groove and a second traction rope outlet mechanism mounting groove so as to complete the connection of a traction rope inlet and outlet mechanism and a shell, and the traction rope inlet and outlet mechanism is arranged in the traction rope outlet mechanism mounting groove formed by the first traction rope outlet mechanism mounting groove and the second traction rope outlet mechanism mounting groove;

the haulage rope fixed column stretches into the haulage rope fixed orifices of first runner and the haulage rope fixed orifices of second runner, and the tip is fixed with the bolt, and the haulage rope end fixing is on the haulage rope fixed column, then the winding is on the connecting cylinder, and the haulage rope other end stretches out the haulage rope exit of haulage rope business turn over mechanism.

Furthermore, first limiting plate and second limiting plate all set to open annular structure, and first limiting plate and second limiting plate set up relatively, install in the connecting cylinder outer lane behind first limiting plate and the lock of second limiting plate, and first limiting plate and second limiting plate are used for carrying out limiting displacement to the haulage rope.

The utility model has the advantages that:

the utility model discloses a design casing, haulage rope business turn over mechanism and rotatory fixed subassembly can effectively avoid the pet to rush out suddenly and the haulage rope does not block the emergence of the condition such as the dead rope of running, have small, the quality is light, convenient to use, the rope receive and releases advantages such as swift. The haulage rope can not be broken after the sudden rupture, can prevent effectively that the pet from running away the owner suddenly and being pulled to, gives owner's sufficient buffering space.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a pet traction device of the present invention.

Fig. 2 is a front view of the pet traction device of the present invention.

Fig. 3 is a rear view of the pet leash device of the present invention.

Fig. 4 is a left side view of the pet traction device of the present invention.

Fig. 5 is a right side view of the pet leash device of the present invention.

Fig. 6 is a top view of the pet leash device of the present invention.

Fig. 7 is a bottom view of the pet leash of the present invention.

Fig. 8 is a structural view of a second upper case and a second lower case.

Fig. 9 is a structural schematic view of the first upper case and the first lower case.

Fig. 10 is a schematic diagram of the internal structure of a pet leash device according to the present invention (the first upper case and the first lower case are omitted).

Fig. 11 is a perspective view of the button assembly and the rotation fixing assembly.

Fig. 12 is a side view of the button assembly and the rotating fixing assembly.

Fig. 13 is a schematic structural view of the button assembly.

Fig. 14 is a cross-sectional view of the button assembly taken along the line a-a in fig. 13.

Fig. 15 is a schematic view of the structure of the button assembly (the sleeve is omitted).

Fig. 16 is a schematic structural view of the button assembly (the sleeve and the rotary locking member are omitted).

Fig. 17 is a schematic structural view of the rotating fastener.

Fig. 18 is a schematic structural view of the sleeve.

Fig. 19 is a perspective view of the pull-cord exit mechanism.

Fig. 20 is a front view of the leash exit mechanism.

Fig. 21 is a rear view of the leash exit mechanism.

Fig. 22 is a schematic view of the relationship between the first inclined surface 8-13 and the third inclined surface 8-52.

In the figure: 1. first epitheca, 2, second epitheca, 3, first inferior valve, 4, second inferior valve, 5, first fixation clamp, 6, second fixation clamp, 7, first surface recess, 8, button subassembly, 9, second surface recess, 10, haulage rope business turn over mechanism, 11, rotatory fixed subassembly.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 to 21, the pet traction device of the present invention mainly comprises: the device comprises a first upper shell 1, a second upper shell 2, a first lower shell 3, a second lower shell 4, a first fixing clamp 5, a second fixing clamp 6, a first surface groove 7, a button assembly 8, a second surface groove 9, a traction rope in-and-out mechanism 10 and a rotary fixing assembly 11.

As shown in fig. 1 to 7, the first upper case 1, the second upper case 2, the first lower case 3, and the second lower case 4 constitute a device case. The first upper shell 1 and the first lower shell 3 are designed as an integral body, and the second upper shell 2 and the second lower shell 4 are designed as an integral body. The first upper shell 1 and the second upper shell 2 are relatively fixed, and the first lower shell 3 and the second lower shell 4 are relatively fixed. First fixation clamp 5 is fixed at first inferior valve 3 and 4 side edges of second inferior valve, and second fixation clamp 6 is fixed at first inferior valve 3 and 4 lower limb of second inferior valve. The first surface grooves 7 are provided on the surface of the first lower case 3, and the second surface grooves 9 are provided on the surface of the second lower case 4. The button assembly 8 is partially installed inside the first lower case 3 and the second lower case 4, and partially exposed outside the first lower case 3 and the second lower case 4. The hauling cable in-and-out mechanism 10 is arranged on the side surfaces of the first lower shell 3 and the second lower shell 4. The rotation fixing member 11 is installed inside the first and second lower cases 3 and 4.

The internal structures of the second upper shell 2 and the second lower shell 4 are shown in fig. 8, and a first connecting column 2-1, a second connecting column 2-2, a third connecting column 2-3 and a first opening edge 2-4 are arranged in the second upper shell 2.

The inside of the second lower shell 4 is provided with a first fixing column 4-1, a fourth connecting column 4-2, a second fixing column 4-3, a first limiting column 4-4, a second limiting column 4-5, a third limiting column 4-6, a traction rope fixing column 4-7, a first limiting ring 4-8, a fifth connecting column 4-9, a second limiting ring 4-10, a first traction rope outlet mechanism mounting groove 4-11, a sixth connecting column 4-12, a seventh connecting column 4-13, an eighth connecting column 4-14, a fixed mounting shaft 4-15, a first limiting plate 4-16, a ninth connecting column 4-17 and a first semi-arc opening 4-18.

The internal structures of the first upper shell 1 and the first lower shell 3 are shown in fig. 9, and a tenth connection column 1-1, an eleventh connection column 1-2, a twelfth connection column 1-3 and a second opening edge 1-4 are arranged in the first upper shell 1.

The first lower shell 3 is internally provided with a third fixed column 3-1, a second semi-arc opening 3-2, a fourth fixed column 3-3, a thirteenth connecting column 3-4, a fourth limiting column 3-5, a fifth limiting column 3-6, a sixth limiting column 3-7, a fourteenth connecting column 3-8, a third limiting ring 3-9, a second traction rope outlet mechanism mounting groove 3-10, a fifteenth connecting column 3-11, a sixteenth connecting column 3-12, a seventeenth connecting column 3-13, a first fixing ring 3-14, a second fixing ring 3-15, a third fixing ring 3-16, a central column 3-17, a second limiting plate 3-18 and an eighteenth connecting column 3-19.

The shell body formed by the first upper shell 1 and the first lower shell 3 is fixedly connected with the shell body formed by the second upper shell 2 and the second lower shell 4. Namely: the first connecting column 2-1, the second connecting column 2-2 and the third connecting column 2-3 in the second upper shell 2 are respectively connected with the tenth connecting column 1-1, the eleventh connecting column 1-2 and the twelfth connecting column 1-3 in the first upper shell 1 in a one-to-one correspondence mode through screws. The first opening edge 2-4 is arranged opposite to the second opening edge 1-4.

The first fixing column 4-1, the fourth connecting column 4-2, the second fixing column 4-3, the fifth connecting column 4-9, the sixth connecting column 4-12, the seventh connecting column 4-13, the eighth connecting column 4-14 and the ninth connecting column 4-17 in the second lower shell 4 are respectively connected with the third fixing column 3-1, the thirteenth connecting column 3-4, the fourth fixing column 3-3, the fourteenth connecting column 3-8, the fifteenth connecting column 3-11, the sixteenth connecting column 3-12, the seventeenth connecting column 3-13 and the eighteenth connecting column 3-19 in the first lower shell 3 through screws in a one-to-one correspondence mode. The first semi-arc opening 4-18 is arranged opposite to the second semi-arc opening 3-2, the first semi-arc opening 4-18 and the second semi-arc opening 3-2 form an opening, and the button 8-1 of the button assembly 8 is arranged in the opening. The first traction rope outlet mechanism mounting groove 4-11 and the second traction rope outlet mechanism mounting groove 3-10 are oppositely arranged. The first hauling rope outlet mechanism mounting groove 4-11 and the second hauling rope outlet mechanism mounting groove 3-10 form a hauling rope outlet mechanism mounting groove, and the hauling rope inlet and outlet mechanism 10 is mounted in the hauling rope outlet mechanism mounting groove.

The button assembly 8 is constructed as shown in fig. 13 to 18. The button assembly 8 mainly includes: the device comprises a button 8-1, a sleeve 8-2, a spring 8-3, a telescopic clamping piece 8-4 and a rotary clamping piece 8-5. One end of the spring 8-3 is fixed on the telescopic clamping piece 8-4, and the other end of the spring 8-3 is fixed on the sleeve 8-2. The sleeve 8-2 is sleeved at the lower end of the button 8-1. The rotary clamp 8-5 is installed inside the button 8-1 and the sleeve 8-2. The upper end of the telescopic clamping piece 8-4 is arranged in the rotary clamping piece 8-5.

As shown in fig. 15 and 16, the button 8-1 is hollow inside. The upper surface of the button 8-1 is of an inclined plane structure, the side surface of the lower end of the button 8-1 is provided with six rectangular limiting columns 8-11, the end surface of the lower end of the button 8-1 is provided with six first waveform protruding structures 8-12, and the surface of each first waveform protruding structure 8-12 is a first inclined plane 8-13.

As shown in fig. 16, a cylinder 8-48 is arranged at the upper end of the telescopic clamping piece 8-4, an installation base 8-44 is arranged at the lower end of the cylinder 8-48, a seventh fixing ring 8-41 and an eighth fixing ring 8-42 are arranged on the upper surface of the installation base 8-44, a first clamping block 8-45, a first wave-shaped clamping block 8-43, a second wave-shaped clamping block 8-46 and a second clamping block 8-47 are arranged on the lower surface of the installation base 8-44, the first clamping block 8-45 and the first wave-shaped clamping block 8-43 are arranged on the left side in a group, and the second wave-shaped clamping block 8-46 and the second clamping block 8-47 are arranged on the right side in a group.

As shown in fig. 17, the upper end of the rotating fastener 8-5 is provided with a small cylinder 8-54, the lower end is provided with a large cylinder 8-56, the lower end of the large cylinder 8-56 is provided with an annular convex structure 8-55, the upper end of the large cylinder 8-56 is provided with three second wave-shaped convex structures 8-53 and three third wave-shaped convex structures 8-57, the outer wall of the large cylinder 8-56 is provided with three second convex structures 8-51, and the upper edge of the second convex structures 8-51 is provided with a third inclined surface 8-52. The cylinders 8-48 in the telescopic clamping fixing pieces 8-4 are arranged in the large cylinders 8-56, the cylinders 8-48 and the large cylinders 8-56 are in interference fit, and meanwhile, the upper ends of the cylinders 8-48 are propped against the lower ends of the small cylinders 8-54, as shown in fig. 14. The small cylinder 8-54 extends inside the button 8-1. The three second wave-shaped protruding structures 8-53 and the three third wave-shaped protruding structures 8-57 are respectively matched with the six first wave-shaped protruding structures 8-12 at the lower end of the button 8-1, namely, a groove is formed between one second wave-shaped protruding structure 8-53 and the adjacent third wave-shaped protruding structure 8-57, and one first wave-shaped protruding structure 8-12 is correspondingly arranged in the groove. After the button 8-1 and the rotating clamping piece 8-5 are installed, three (non-adjacent three of six) of the six rectangular limiting columns 8-11 on the button 8-1 vertically correspond to the three second protruding structures 8-51 one by one, as shown in fig. 15.

As shown in fig. 18, the sleeve 8-2 is cylindrical as a whole, a first connecting block 8-21 and a second connecting block 8-22 are provided outside the sleeve 8-2, the first connecting block 8-21 is connected to the first fixing column 4-1 and the third fixing column 3-1 by screws, respectively, and the second connecting block 8-22 is connected to the second fixing column 4-3 and the fourth fixing column 3-3 by screws, respectively. Six first protruding structures 8-23 are arranged in the sleeve 8-2, and a rectangular groove is formed between every two first protruding structures 8-23, and the total number of the rectangular grooves is three. The lower end of each first bump structure 8-23 is provided with a second bevel 8-24. The sleeve 8-2 is sleeved outside the button 8-1, the rotary clamping piece 8-5 and the cylinder 8-48. Specifically, the method comprises the following steps: the upper end of the sleeve 8-2 is sleeved at the lower end of the button 8-1, and three of six rectangular limiting columns 8-11 at the lower end of the button 8-1 (the three rectangular limiting columns 8-11 vertically corresponding to the three second protruding structures 8-51 one by one) are correspondingly arranged in the three rectangular grooves one by one. The three second convex structures 8-51 are respectively arranged in the three rectangular grooves in a one-to-one correspondence manner.

One end of the spring 8-3 is fixed in the seventh fixing ring 8-41 and the eighth fixing ring 8-42, and the other end of the spring 8-3 is fixed on the outer cylinder wall of the sleeve 8-2, as shown in fig. 13.

After the integral assembly of the button assembly 8 is completed, the first limiting column 4-4 and the third limiting column 4-6 are respectively installed on two sides of one end of the installation seat 8-44, the fourth limiting column 3-5 and the sixth limiting column 3-7 are respectively installed on two sides of the other end of the installation seat 8-44, and the installation seat 8-44 is limited through the first limiting column 4-4, the third limiting column 4-6, the fourth limiting column 3-5 and the sixth limiting column 3-7. The fifth limiting column 3-6 is arranged on the side face of the first clamping block 8-45, the second limiting column 4-5 is arranged on the side face of the second clamping block 8-47, the first clamping block 8-45 is limited through the fifth limiting column 3-6, and the second clamping block 8-47 is limited through the second limiting column 4-5.

The first inclined planes 8-13 of the surfaces of the six first wave-shaped protruding structures 8-12 are respectively matched with the surface inclined planes of the three second wave-shaped protruding structures 8-53 and the surface inclined planes of the three third wave-shaped protruding structures 8-57 in a one-to-one correspondence manner. As shown in fig. 22, the third inclined surface 8-52 of the upper edge of the second projection structure 8-51 does not correspond to the first inclined surface 8-13 but corresponds to the rectangular stopper post 8-11.

The button 8-1 is pressed, the lower end of the button 8-1 pushes the rotary clamping piece 8-5 to move downwards, the rotary clamping piece 8-5 pushes the telescopic clamping piece 8-4 to move downwards, the spring 8-3 is changed from a compressed state to an extended state at the moment, the rectangular limiting column 8-11 and the second protruding structure 8-51 slide downwards along the rectangular groove between the first protruding structures 8-23 in the sleeve 8-2, when the second protruding structure 8-51 leaves the rectangular groove, the rectangular limiting column 8-11 is still left in the rectangular groove, at the moment, the rotary clamping piece 8-5 is rotated by 30 degrees through the mutual matching action of the third inclined surface 8-52 at the upper edge of the second protruding structure 8-51 and the second inclined surface 8-24 at the lower end of the first protruding structure 8-23, the third inclined plane 8-52 at the upper edge of the second convex structure 8-51 is attached to the second inclined plane 8-24 at the lower end of the first convex structure 8-23, so that the extension fixation of the telescopic clamping piece 8-4 is realized.

The construction of the rotating-fixed assembly 11 is shown in fig. 10 to 12. The rotating fixture assembly 11 includes two identically configured wheels, namely a first wheel 11-1 and a second wheel 11-2. The first rotating wheel 11-1 and the second rotating wheel 11-2 are connected through a connecting cylinder 11-10. The first rotor 11-1 is described in detail below. As shown in FIG. 11, the rim of the first wheel 11-1 is provided with 24 tooth-shaped structures 11-6, and a clamping groove is formed between every two tooth-shaped structures 11-6. The wheel disc of the first rotating wheel 11-1 is provided with a light-weight structure 11-8, an outer ring of the light-weight structure 11-8 is connected with an inner ring of the 24 tooth-shaped structure 11-6, and an inner ring of the light-weight structure 11-8 is connected with a fourth fixing ring 11-9. The fifth fixed ring 11-7 is located at the inner ring of the fourth fixed ring 11-9, and the fifth fixed ring 11-7 is fixed to the disk of the first reel 11-1, the sixth fixed ring 11-5 is located at the inner ring of the fifth fixed ring 11-7, and the sixth fixed ring 11-5 is fixed to the disk of the first reel 11-1, the center ring 11-4 is located at the inner ring of the sixth fixed ring 11-5, and the center ring 11-4 is fixed to the disk of the first reel 11-1. The hauling rope fixing hole 11-3 is arranged on the outer ring of the light weight structure 11-8.

The light weight structure 11-8 of the first rotating wheel 11-1 is limited through a second limiting ring 4-10, and the wheel disc of the first rotating wheel 11-1 is limited through a first limiting ring 4-8; the light weight structure 11-8 of the second rotating wheel 11-2 is limited through a third limiting ring 3-9.

The rotation fixing member 11 is installed inside the first and second lower cases 3 and 4. Specifically, the method comprises the following steps: the center ring 11-4 of the first rotating wheel 11-1 is sleeved on the fixed mounting shaft 4-15 of the second lower shell 4, meanwhile, the center ring 11-4 of the second rotating wheel 11-2 is sleeved on the center post 3-17 of the first lower shell 3, the fourth fixing ring 11-9 of the second rotating wheel 11-2 is mounted on the outer ring of the first fixing ring 3-14, the fifth fixing ring 11-7 of the second rotating wheel 11-2 is mounted in the annular groove between the first fixing ring 3-14 and the second fixing ring 3-15, and the sixth fixing ring 11-5 of the second rotating wheel 11-2 is mounted in the annular groove between the second fixing ring 3-15 and the third fixing ring 3-16.

The configuration of the pull-cord in-and-out mechanism 10 is shown in fig. 19 to 21. The pull-cord entry and exit mechanism 10 mainly comprises: the body 10-2, the annular structure 10-1, the inlet and outlet inclined plane 10-3, the hauling rope inlet and outlet 10-4. The hauling rope inlet and outlet 10-4 is arranged in the middle of the body 10-2, and the inlet and outlet inclined plane 10-3 is arranged at the edge of the hauling rope inlet and outlet 10-4. The loop 10-1 is disposed on the outer edge of the body 10-2 and the loop 10-1 is installed in the loops 4-11 and 3-10 to complete the connection of the pull-cord in and out mechanism 10 to the housing.

The traction rope fixing column 4-7 extends into the traction rope fixing hole 11-3 of the first rotating wheel 11-1 and the traction rope fixing hole 11-3 of the second rotating wheel 11-2, and the end parts of the traction rope fixing column are fixed by bolts. The end part of the hauling rope is fixed on the hauling rope fixing column 4-7 and then wound on the connecting cylinder 11-10, and the other end of the hauling rope extends out of the hauling rope inlet and outlet 10-4 of the hauling rope inlet and outlet mechanism 10. The rope end of the traction rope is provided with a buffer rope (similar to the material of the elastic trousers) with elasticity, so that the buffer effect is achieved.

The first limiting plate 4-16 and the second limiting plate 3-18 are both arranged in an open annular structure, the first limiting plate 4-16 and the second limiting plate 3-18 are arranged oppositely, and the first limiting plate 4-16 and the second limiting plate 3-18 are mounted on the outer ring of the connecting cylinder 11-10 after being buckled. The first limiting plates 4-16 and the second limiting plates 3-18 are used for limiting the hauling rope.

The button 8-1 is pressed, the lower end of the button 8-1 pushes the rotary clamping piece 8-5 to move downwards, the rotary clamping piece 8-5 pushes the telescopic clamping piece 8-4 to move downwards, the spring 8-3 is changed from a compressed state to an extended state at the moment, the rectangular limiting column 8-11 and the second protruding structure 8-51 slide downwards along the rectangular groove between the first protruding structures 8-23 in the sleeve 8-2, when the second protruding structure 8-51 leaves the rectangular groove, the rectangular limiting column 8-11 is still left in the rectangular groove, at the moment, the rotary clamping piece 8-5 is rotated by 30 degrees through the mutual matching action of the third inclined surface 8-52 at the upper edge of the second protruding structure 8-51 and the second inclined surface 8-24 at the lower end of the first protruding structure 8-23, the third inclined plane 8-52 of the upper edge of the second protruding structure 8-51 is attached to the second inclined plane 8-24 of the lower end of the first protruding structure 8-23, and at this time, the mounting seat 8-44 of the lower end of the telescopic clamping member 8-4 reaches the designated position, that is: the first clamping blocks 8-45 extend into the clamping grooves of the second rotating wheel 11-2, the first wave-shaped clamping blocks 8-43 are located on one side of the wheel disc of the second rotating wheel 11-2, the second clamping blocks 8-47 extend into the clamping grooves of the first rotating wheel 11-1, and the second wave-shaped clamping blocks 8-46 are located on one side of the wheel disc of the first rotating wheel 11-1, so that the fixing of the rotating wheels is realized, and the fixing of the traction rope is realized.

The utility model discloses a key formula switch pins the runner on time for the first time promptly, loosens the runner when pressing again, so used repeatedly. And each time the press is performed, the rotating wheel rotates by 30 degrees and 60 degrees to form an opening and closing mode, and the opening and closing mode is a combination of opening and closing. The 360 DEG is a circle, so that the device is divided into 6 groups, and each group is opened and closed and can be repeatedly used.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. A pet leash device, comprising:

a first upper case (1);

a first lower case (3) integrally formed with the first upper case (1);

a second upper case (2);

a second lower case (4) integrally formed with the second upper case (2);

the first upper shell (1) and the second upper shell (2) are relatively fixed, and the first lower shell (3) and the second lower shell (4) are relatively fixed;

a button assembly (8) and a rotary fixing assembly (11) which are arranged inside the first lower shell (3) and the second lower shell (4);

a traction rope in-and-out mechanism (10) arranged on the side surfaces of the first lower shell (3) and the second lower shell (4).

2. The pet drawing device as claimed in claim 1, further comprising a first fixing clip (5) fixed to the side edges of the first lower case (3) and the second lower case (4), a second fixing clip (6) fixed to the lower edges of the first lower case (3) and the second lower case (4), a first surface groove (7) provided on the surface of the first lower case (3), and a second surface groove (9) provided on the surface of the second lower case (4).

3. The pet pulling device according to claim 1, wherein a tenth connecting column (1-1), an eleventh connecting column (1-2), a twelfth connecting column (1-3) and a second opening edge (1-4) are arranged inside the first upper shell (1);

a first connecting column (2-1), a second connecting column (2-2), a third connecting column (2-3) and a first opening edge (2-4) are arranged in the second upper shell (2);

the first connecting column (2-1), the second connecting column (2-2) and the third connecting column (2-3) are respectively connected with the tenth connecting column (1-1), the eleventh connecting column (1-2) and the twelfth connecting column (1-3) in a one-to-one correspondence mode, and the first opening edge (2-4) and the second opening edge (1-4) are arranged oppositely.

4. The pet traction device as claimed in claim 3, wherein a third fixing column (3-1), a second semi-arc opening (3-2), a fourth fixing column (3-3), a thirteenth connecting column (3-4), a fourth limiting column (3-5), a fifth limiting column (3-6), a sixth limiting column (3-7), a fourteenth connecting column (3-8), a third limiting ring (3-9), a second traction rope outlet mechanism mounting groove (3-10), a fifteenth connecting column (3-11), a sixteenth connecting column (3-12), a seventeenth connecting column (3-13), a first fixing ring (3-14), a second fixing ring (3-15), a third fixing ring (3-16), The central column (3-17), the second limiting plate (3-18) and the eighteenth connecting column (3-19);

a first fixing column (4-1), a fourth connecting column (4-2), a second fixing column (4-3), a first limiting column (4-4), a second limiting column (4-5), a third limiting column (4-6), a traction rope fixing column (4-7), a first limiting ring (4-8) and a fifth connecting column (4-9) are arranged in the second lower shell (4), the device comprises a second limiting ring ((4-10)), a first traction rope outlet mechanism mounting groove (4-11), a sixth connecting column (4-12), a seventh connecting column (4-13), an eighth connecting column (4-14), a fixed mounting shaft (4-15), a first limiting plate (4-16), a ninth connecting column (4-17) and a first semi-arc opening (4-18);

the first fixing column (4-1), the fourth connecting column (4-2), the second fixing column (4-3), the fifth connecting column (4-9), the sixth connecting column (4-12), the seventh connecting column (4-13), the eighth connecting column (4-14) and the ninth connecting column (4-17) are respectively connected with the third fixing column (3-1), the thirteenth connecting column (3-4), the fourth fixing column (3-3), the fourteenth connecting column (3-8), the fifteenth connecting column (3-11), the sixteenth connecting column (3-12), the seventeenth connecting column (3-13) and the eighteenth connecting column (3-19) in a one-to-one correspondence manner, the first semi-arc-shaped opening (4-18) and the second semi-arc-shaped opening (3-2) are oppositely arranged, the first semi-arc opening (4-18) and the second semi-arc opening (3-2) form an opening;

the first traction rope outlet mechanism mounting groove (4-11) and the second traction rope outlet mechanism mounting groove (3-10) are oppositely arranged; the first traction rope outlet mechanism mounting groove (4-11) and the second traction rope outlet mechanism mounting groove (3-10) form a traction rope outlet mechanism mounting groove.

5. A pet leash device as claimed in claim 4, characterized in that said push-button assembly (8) comprises: the device comprises a button (8-1), a sleeve (8-2), a spring (8-3), a telescopic clamping piece (8-4) and a rotary clamping piece (8-5); one end of the spring (8-3) is fixed on the telescopic clamping piece (8-4), the other end of the spring (8-3) is fixed on the sleeve (8-2), the sleeve (8-2) is sleeved at the lower end of the button (8-1), the rotary clamping piece (8-5) is installed inside the button (8-1) and the sleeve (8-2), the upper end of the telescopic clamping piece (8-4) is installed inside the rotary clamping piece (8-5), and the button (8-1) is installed in an opening formed by the first half arc-shaped opening (4-18) and the second half arc-shaped opening (3-2).

6. The pet traction device as claimed in claim 5, wherein the button (8-1) is hollow inside, the upper surface of the button (8-1) is of an inclined plane structure, the side surface of the lower end of the button (8-1) is provided with six rectangular limiting columns (8-11), the end surface of the lower end of the button (8-1) is provided with six first wave-shaped protruding structures (8-12), and the surface of each first wave-shaped protruding structure (8-12) is a first inclined plane (8-13);

the upper end of the telescopic clamping piece (8-4) is provided with a cylinder (8-48), the lower end of the cylinder (8-48) is provided with an installation base (8-44), the upper surface of the installation base (8-44) is provided with a seventh fixing ring (8-41) and an eighth fixing ring (8-42), the lower surface of the installation base (8-44) is provided with a first clamping block (8-45), a first waveform clamping block (8-43), a second waveform clamping block (8-46) and a second clamping block (8-47), the first clamping block (8-45) and the first waveform clamping block (8-43) are located on the left side in a group, and the second waveform clamping block (8-46) and the second clamping block (8-47) are located on the right side in a group;

the upper end of the rotary clamping piece (8-5) is provided with a small cylinder (8-54), the lower end of the rotary clamping piece is provided with a large cylinder (8-56), the lower end of the large cylinder (8-56) is provided with an annular convex structure (8-55), the upper end of the large cylinder (8-56) is provided with three second wave-shaped convex structures (8-53) and three third wave-shaped convex structures (8-57), the outer wall of the large cylinder (8-56) is provided with three second convex structures (8-51), the upper edge of each second convex structure (8-51) is provided with a third inclined plane (8-52), a cylinder (8-48) in the telescopic clamping piece (8-4) is installed in the large cylinder (8-56), and the cylinder (8-48) and the large cylinder (8-56) are in interference fit, meanwhile, the upper ends of the cylinders (8-48) are propped against the lower ends of the small cylinders (8-54), and the small cylinders (8-54) extend into the button (8-1); the three second wave-shaped protruding structures (8-53) and the three third wave-shaped protruding structures (8-57) are respectively matched with the six first wave-shaped protruding structures (8-12) at the lower end of the button (8-1), namely a groove is formed between one second wave-shaped protruding structure (8-53) and one adjacent third wave-shaped protruding structure (8-57), one first wave-shaped protruding structure (8-12) is correspondingly installed in the groove, and after the button (8-1) and the rotary clamping piece (8-5) are installed, the three non-adjacent rectangular limiting columns (8-11) on the button (8-1) are respectively vertically corresponding to the three second protruding structures (8-51).

7. The pet traction device as claimed in claim 6, wherein the sleeve (8-2) is externally provided with a first connecting block (8-21) and a second connecting block (8-22), the first connecting block (8-21) is respectively connected with the first fixing column (4-1) and the third fixing column (3-1) through screws, the second connecting block (8-22) is respectively connected with the second fixing column (4-3) and the fourth fixing column (3-3) through screws, six first protrusion structures (8-23) are arranged inside the sleeve (8-2), a rectangular groove is formed between every two first protrusion structures (8-23), the total number of the three rectangular grooves is three, and the lower end of each first protrusion structure (8-23) is provided with a second inclined surface (8-24), the sleeve (8-2) is sleeved outside the button (8-1), the rotary clamping piece (8-5) and the cylinder (8-48), the upper end of the sleeve (8-2) is sleeved at the lower end of the button (8-1), the three rectangular limiting columns (8-11) which are vertically corresponding to the three second protruding structures (8-51) in one-to-one correspondence in the six rectangular limiting columns (8-11) at the lower end of the button (8-1) are respectively installed in the three rectangular grooves, and the three second protruding structures (8-51) are respectively installed in the three rectangular grooves in one-to-one correspondence;

one end of the spring (8-3) is fixed in the seventh fixing ring (8-41) and the eighth fixing ring (8-42), and the other end of the spring (8-3) is fixed on the outer cylinder wall of the sleeve (8-2);

the first limiting column (4-4) and the third limiting column (4-6) are respectively arranged at two sides of one end of the mounting seat (8-44), the fourth limiting column (3-5) and the sixth limiting column (3-7) are respectively arranged at two sides of the other end of the mounting seat (8-44), the mounting seat (8-44) is limited by the first limiting column (4-4), the third limiting column (4-6), the fourth limiting column (3-5) and the sixth limiting column (3-7), the fifth limiting column (3-6) is arranged at the side surface of the first clamping block (8-45), the second limiting column (4-5) is arranged at the side surface of the second clamping block (8-47), and the first clamping block (8-45) is limited by the fifth limiting column (3-6), the second clamping blocks (8-47) are limited through second limiting columns (4-5);

the first inclined planes (8-13) on the surfaces of the six first wave-shaped protruding structures (8-12) are respectively matched with the surface inclined planes of the three second wave-shaped protruding structures (8-53) and the surface inclined planes of the three third wave-shaped protruding structures (8-57) in a one-to-one correspondence mode, and the third inclined planes (8-52) on the upper edges of the second protruding structures (8-51) do not correspond to the first inclined planes (8-13) and correspond to the rectangular limiting columns (8-11).

8. The pet drawing device as claimed in claim 7, wherein the rotating fixing member (11) comprises a first rotating wheel (11-1) and a second rotating wheel (11-2), the first rotating wheel (11-1) and the second rotating wheel (11-2) are connected through a connecting cylinder (11-10), the rim of the first rotating wheel (11-1) is provided with 24 tooth-shaped structures (11-6), a clamping groove is formed between every two tooth-shaped structures (11-6), a light-weight structure (11-8) is arranged on the rim of the first rotating wheel (11-1), the outer ring of the light-weight structure (11-8) is connected with the inner ring of the 24 tooth-shaped structures (11-6), the light-weight of the inner ring of the light-weight structure (11-8) is connected with the fourth fixing ring (11-9), and the fifth fixing ring (11-7) is located at the inner ring of the fourth fixing ring (11-9), a fifth fixing ring (11-7) is fixed on a wheel disc of the first rotating wheel (11-1), a sixth fixing ring (11-5) is positioned at the inner ring of the fifth fixing ring (11-7), the sixth fixing ring (11-5) is fixed on the wheel disc of the first rotating wheel (11-1), a center ring (11-4) is positioned at the inner ring of the sixth fixing ring (11-5), the center ring (11-4) is fixed on the wheel disc of the first rotating wheel (11-1), and a traction rope fixing hole (11-3) is formed in an outer ring of the light-weight structure (11-8);

the light weight structure (11-8) of the first runner (11-1) is limited through a second limiting ring ((4-10)), and the wheel disc of the first runner (11-1) is limited through the first limiting ring (4-8); the light weight structure (11-8) of the second rotating wheel (11-2) is limited through a third limiting ring (3-9);

the central ring (11-4) of the first rotating wheel (11-1) is sleeved on the fixed mounting shaft (4-15) of the second lower shell (4), meanwhile, a center ring (11-4) of a second rotating wheel (11-2) is sleeved on a center post (3-17) of the first lower shell (3), a fourth fixing ring (11-9) of the second rotating wheel (11-2) is installed on the outer ring of the first fixing ring (3-14), a fifth fixing ring (11-7) of the second rotating wheel (11-2) is installed in an annular groove between the first fixing ring (3-14) and the second fixing ring (3-15), and a sixth fixing ring (11-5) of the second rotating wheel (11-2) is installed in an annular groove between the second fixing ring (3-15) and the third fixing ring (3-16).

9. A pet leash device as claimed in claim 8, wherein said leash access mechanism (10) comprises: the rope drawing mechanism comprises a body (10-2), an annular structure (10-1), an inlet and outlet inclined plane (10-3) and a drawing rope inlet and outlet (10-4), wherein the drawing rope inlet and outlet (10-4) is arranged in the middle of the body (10-2), the inlet and outlet inclined plane (10-3) is arranged at the edge of the drawing rope inlet and outlet (10-4), the annular structure (10-1) is arranged at the outer edge of the body (10-2), the annular structure (10-1) is installed in a drawing rope outlet mechanism installation groove formed by a first drawing rope outlet mechanism installation groove (4-11) and a second drawing rope outlet mechanism installation groove (3-10) to complete the connection of the drawing rope inlet and outlet mechanism (10) and a shell, and the drawing rope inlet and outlet mechanism (10) is installed in a drawing rope outlet mechanism installation groove formed by the first drawing rope outlet mechanism installation groove (4-11) and the second drawing rope outlet mechanism installation groove (3- Loading in a groove;

the traction rope fixing column (4-7) extends into the traction rope fixing hole (11-3) of the first rotating wheel (11-1) and the traction rope fixing hole (11-3) of the second rotating wheel (11-2), the end parts of the traction rope fixing column and the traction rope fixing column are fixed through bolts, the end parts of the traction rope fixing column and the traction rope fixing column are fixed on the traction rope fixing column (4-7) and then wound on the connecting cylinder (11-10), and the other end of the traction rope extends out of a traction rope inlet and outlet (10-4) of the traction rope inlet and outlet mechanism (10).

10. The pet pulling device as defined in claim 9, wherein the first limiting plate (4-16) and the second limiting plate (3-18) are both arranged in an open ring structure, the first limiting plate (4-16) and the second limiting plate (3-18) are arranged oppositely, the first limiting plate (4-16) and the second limiting plate (3-18) are buckled and then installed on the outer ring of the connecting cylinder (11-10), and the first limiting plate (4-16) and the second limiting plate (3-18) are used for limiting the pulling rope.

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