CN211532339U

CN211532339U - Pet tractor line wheel locking mechanism

Info

Publication number: CN211532339U
Application number: CN202020074878.0U
Authority: CN
Inventors: 魏亚萍
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-14
Filing date: 2020-01-14
Publication date: 2020-09-22
Anticipated expiration: 2030-01-14

Abstract

The utility model discloses a pet tractor wire wheel locking mechanism, which relates to the field of pet tractors and comprises a shell, wherein a wire wheel is rotatably arranged in an inner cavity of the shell, the surface of the wire wheel is provided with a plurality of back-off buttons, and the back-off buttons are distributed on the surface of the wire wheel in an annular array manner, the top end of one side of the wire wheel is provided with a rotating rod, the rotating rod is fixedly arranged on the side wall of the inner cavity of the shell, a locking block is rotatably arranged on the rotating rod, and the bottom end of the locking block can be movably clamped with the back-off buttons; the top wall of the shell is provided with a groove in a penetrating mode, a locking key is movably arranged in the groove, and the locking key is rotatably connected with one side wall of the groove. The locking mechanism has a self-locking function, combines a key for controlling pause and a key for controlling opening and locking states into a whole, and quickly and conveniently realizes the locking of the wire wheel of the pet tractor so as to ensure convenient operation and good operation fluency.

Description

Pet tractor line wheel locking mechanism

Technical Field

The utility model relates to a pet tractor field, in particular to pet tractor line wheel locking mechanical system.

Background

Most of the existing locking mechanisms are provided with a key for controlling pause and a key for controlling opening and locking states. The wire wheel can be locked only by pressing a key for controlling pause and then pushing a key for controlling the opening and locking states of the wire wheel, and the wire wheel can be locked only by 2 actions.

Therefore, it is necessary to provide a pet retractor reel locking mechanism to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pet tractor line wheel locking mechanical system to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a pet tractor wire wheel locking mechanism comprises a shell, wherein a wire wheel is rotatably arranged in an inner cavity of the shell, a plurality of reverse buckles are arranged on the surface of the wire wheel and distributed on the surface of the wire wheel in an annular array, a rotating rod is arranged at the top end of one side of the wire wheel and fixedly arranged on the side wall of the inner cavity of the shell, a locking block is rotatably arranged on the rotating rod, and the bottom end of the locking block can be movably clamped with the reverse buckles;

the top wall of the shell is provided with a groove in a penetrating mode, a locking button is movably arranged in the groove and is connected with one side wall of the groove in a rotating mode, the top of the locking button is provided with an unlocking push button in a sliding mode, the bottom of the locking button is provided with an elastic assembly in a sliding mode, two sides of one end of the elastic assembly are provided with pressing blocks matched with the locking blocks, the pressing blocks are fixedly arranged at the bottom of the locking button, a reset device is fixedly arranged on one side of the locking block, and one side wall of the locking block is attached to the reset device.

Preferably, a sliding hole is formed in the locking key in a penetrating mode, a rotating connecting rod is fixedly arranged at the tail end of the locking key, and two ends of the rotating connecting rod are rotatably connected with two side walls of the inner cavity of the shell.

Preferably, the elastic component comprises an elastic component main body, a lock catch is fixedly arranged on one side of the bottom end of the elastic component main body, a sliding groove and a spring installation groove are formed in the top of the elastic component main body, one end of the spring installation groove penetrates through one end wall of the elastic component main body and extends to the outside, a spring is movably arranged in the spring installation groove, and the two ends of the spring are fixedly connected with the end wall of the spring installation groove and the bottom side wall of the locking key respectively.

Preferably, the unlocking push button is slidably arranged in the sliding hole, a lower connecting push rod matched with the sliding groove is fixedly arranged at the bottom of the unlocking push button, and the lower connecting push rod penetrates through the sliding hole and extends into the sliding groove.

Preferably, resetting means includes torsional spring and connecting rod, the connecting rod is fixed to be set up in the inner chamber of casing, and the torsional spring cover is located on the connecting rod, and the one end of torsional spring is laminated with the locking piece each other.

Preferably, a first blocking rib is fixedly arranged at the top end of the other side of the locking block, and a second blocking rib matched with the lock catch is arranged at the top end of the resetting device.

The utility model discloses a technological effect and advantage: this locking mechanical system has self-locking function, press the locking button and push down the locking piece through pushing down the briquetting, make the locking piece wind the bull stick clockwise rotation as for can directly lock the line wheel after the mutual joint of back-off, when the line wheel is loosened to needs, only need promote to unblank to push away to turn round and make elastic component separate from the second fender muscle, then utilize resetting means's resilience force to make the locking piece, locking button and elastic component resume the rotation that initial position can realize the line wheel, open the button and the control that control pauses, the button of lock state combines as an organic wholely, quick convenient realization is to the locking of the line wheel of pet tractor, so that the simple operation, the smoothness of operation is good.

Drawings

Fig. 1 is a schematic view of the overall open state structure of the present invention.

Fig. 2 is a schematic view of the overall locking state structure of the present invention.

Fig. 3 is a schematic view of the structure of the locking button, unlocking push button and elastic component of the present invention.

In the figure: 1. a housing; 2. a wire wheel; 3. reversing; 4. a rotating rod; 5. a locking block; 6. a groove; 7. locking the key; 701. a slide hole; 702. rotating the connecting rod; 8. unlocking and pushing a button; 801. the lower connecting push rod; 9. an elastic component; 901. an elastic component body; 902. locking; 903. a chute; 904. a spring mounting groove; 905. a spring; 10. pressing the block; 11. a resetting device; 1101. a torsion spring; 1102. a connecting rod; 12. a first barrier rib; 13. and a second rib.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a pet tractor line wheel locking mechanical system as shown in fig. 1-3, including casing 1, rotate in the inner chamber of casing 1 and be provided with line wheel 2, the surface of line wheel 2 is provided with a plurality of back-offs 3, and a plurality of back-offs 3 are distributed on the surface of line wheel 2 in an annular array, one side top of line wheel 2 is provided with bull stick 4, and bull stick 4 is fixed to be set up on the inner chamber lateral wall of casing 1, it is provided with locking piece 5 to rotate on bull stick 4, and the bottom of locking piece 5 can with back-offs 3 activity joint; a groove 6 is formed in the top wall of the shell 1 in a penetrating mode, a locking key 7 is movably arranged in the groove 6, and the locking key 7 is rotatably connected with one side wall of the groove 6; a sliding hole 701 penetrates through the locking key 7, a rotating connecting rod 702 is fixedly arranged at the tail end of the locking key 7, and two ends of the rotating connecting rod 702 are rotatably connected with two side walls of an inner cavity of the shell 1.

Further, the top of the locking key 7 is slidably provided with an unlocking push button 8, the bottom of the locking key 7 is slidably provided with an elastic component 9, the elastic component 9 comprises an elastic component main body 901, one side of the bottom end of the elastic component main body 901 is fixedly provided with a lock catch 902, the top of the elastic component main body 901 is provided with a sliding chute 903 and a spring installation groove 904, one end of the spring installation groove 904 penetrates through one end wall of the elastic component main body 901 and extends to the outside, a spring 905 is movably arranged in the spring installation groove 904, two ends of the spring 905 are respectively fixedly connected with the end wall of the spring installation groove 904 and the side wall of the bottom end of the locking key 7, two sides of one end of the elastic component 9 are respectively provided with a lower pressing block 10 matched with the locking block 5, the lower pressing block 10 is fixedly arranged at the bottom of the locking key 7, one side of the locking block 5, and one side wall of the locking block 5 is attached to the resetting device 11.

More specifically, the unlocking push button 8 is slidably disposed in the sliding hole 701, a lower connecting push rod 801 engaged with the sliding groove 903 is fixedly disposed at the bottom of the unlocking push button 8, and the lower connecting push rod 801 penetrates through the sliding hole 701 and extends into the sliding groove 903. The resetting device 11 comprises a torsion spring 1101 and a connecting rod 1102, the connecting rod 1102 is fixedly arranged in an inner cavity of the shell 1, the torsion spring 1101 is sleeved on the connecting rod 1102, one end of the torsion spring 1101 is mutually attached to the locking piece 5, the torsion spring 1101 is arranged on the resetting device 11, the locking piece 5 is enabled to rotate clockwise to extrude the torsion spring 1101 to store energy, and after the locking piece 5 loses acting force, the locking piece 5 is rebounded by the energy stored in advance by the torsion spring 1101, so that the resetting effect is achieved.

The fixed first muscle 12 that is provided with in opposite side top of locking piece 5, and resetting means 11's top is provided with and blocks muscle 13 with hasp 902 matched with second, and through the setting of first muscle 12 and the second muscle 13 that blocks, can be fine reach spacing effect to locking piece 5 and hasp 902.

The utility model discloses the theory of operation:

this device is through the back-off 3 that is equipped with on the line wheel 2 at the during operation, when needs locking line wheel 2, only need press locking button 7 with the thumb, make locking button 7 revolve and move connecting rod 702 clockwise and rotate simultaneously and extrude locking piece 5 and hasp 902, make locking piece 5 also clockwise rotate around the post on the bull stick 4, make hasp 902 touch second fender muscle 13 and move backward, hasp 902 hooks second fender muscle 13 and fixes locking piece 5 and fix line wheel 2 as the position of fig. 2 when locking button 7 according to the position as fig. 2.

When the reel 2 needs to be loosened, the unlocking push button 8 is only pushed by a thumb to be separated from the second blocking rib 13, then the lock block 5, the locking button 7 and the elastic component 9 are restored to the position shown in fig. 1 by resilience force generated by the torsion spring 1101, and the reel 2 can rotate freely.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a pet tractor line wheel locking mechanical system, includes casing (1), its characterized in that: the wire wheel (2) is rotatably arranged in an inner cavity of the shell (1), a plurality of back-off buttons (3) are arranged on the surface of the wire wheel (2), the back-off buttons (3) are distributed on the surface of the wire wheel (2) in an annular array mode, a rotating rod (4) is arranged at the top end of one side of the wire wheel (2), the rotating rod (4) is fixedly arranged on the side wall of the inner cavity of the shell (1), a locking block (5) is rotatably arranged on the rotating rod (4), and the bottom end of the locking block (5) can be movably clamped with the back-off buttons (3);

the top wall of casing (1) runs through and is provided with recess (6), recess (6) internalization is provided with locking button (7), and locking button (7) rotate with a lateral wall of recess (6) and are connected, the top of locking button (7) slides and is provided with unblank to push away and turn round (8), and the bottom of locking button (7) slides and is provided with elastic component (9), the one end both sides of elastic component (9) all are provided with briquetting (10) down with locking piece (5) matched with, and briquetting (10) are fixed to be set up in the bottom of locking button (7) down, one side of locking piece (5) is fixed and is provided with resetting means (11), and a lateral wall and the resetting means (11) of locking piece (5) are laminated mutually.

2. The pet retractor reel locking mechanism of claim 1 further comprising: the locking key (7) is provided with a sliding hole (701) in a penetrating mode, the tail end of the locking key (7) is fixedly provided with a rotating connecting rod (702), and two ends of the rotating connecting rod (702) are rotatably connected with two side walls of an inner cavity of the shell (1).

3. The pet retractor reel locking mechanism of claim 1 further comprising: elastic component (9) includes elastic component main part (901), the fixed hasp (902) that is provided with in bottom one side of elastic component main part (901), spout (903) and spring mounting groove (904) have been seted up at the top of elastic component main part (901), and the one end of spring mounting groove (904) runs through an endwall of elastic component main part (901) and extends to the external world, spring mounting groove (904) internalization is provided with spring (905), and the both ends of spring (905) respectively with the endwall of spring mounting groove (904) and the bottom lateral wall fixed connection of locking button (7).

4. The pet retractor reel locking mechanism of any one of claims 2 or 3 wherein: the unlocking push button (8) is arranged in the sliding hole (701) in a sliding mode, a lower connecting push rod (801) matched with the sliding groove (903) is fixedly arranged at the bottom of the unlocking push button (8), and the lower connecting push rod (801) penetrates through the sliding hole (701) and extends into the sliding groove (903).

5. The pet retractor reel locking mechanism of claim 1 further comprising: the reset device (11) comprises a torsion spring (1101) and a connecting rod (1102), the connecting rod (1102) is fixedly arranged in an inner cavity of the shell (1), the torsion spring (1101) is sleeved on the connecting rod (1102), and one end of the torsion spring (1101) is attached to the locking block (5).

6. The pet retractor reel locking mechanism of claim 3 wherein: the top end of the other side of the locking block (5) is fixedly provided with a first blocking rib (12), and the top end of the resetting device (11) is provided with a second blocking rib (13) matched with the lock catch (902).