CN219192304U

CN219192304U - Self-locking handcart wheel

Info

Publication number: CN219192304U
Application number: CN202320672806.XU
Authority: CN
Inventors: 薛蕾; 薛美玉; 董庆跃; 胡晓霞
Original assignee: Qingdao Layer Fengrun Industrial Co ltd
Current assignee: Qingdao Layer Fengrun Industrial Co ltd
Priority date: 2023-03-30
Filing date: 2023-03-30
Publication date: 2023-06-16
Anticipated expiration: 2033-03-30

Abstract

The utility model discloses a self-locking handcart wheel, and belongs to the technical field of self-locking handcart wheels. Including the handcart, the one end of handcart lower surface is provided with the bearing frame, the bottom of bearing frame is provided with the commentaries on classics board, the lower surface mounting of commentaries on classics board has first wheel, the other end of handcart lower surface is provided with the mounting panel, the surface of mounting panel is provided with the pivot, the outside of pivot is provided with the second wheel, be provided with the connecting plate between second wheel and the pivot, the lower surface of handcart is provided with the mount pad between the bearing frame, the inside sliding connection of mount pad has the pinion rack, the inside of mount pad is provided with the gear between the pinion rack, the mount pad below is provided with the operation handle with gear connection. This auto-lock handcart wheel has avoided first wheel to take place to rotate and has realized the rotation of second wheel, has increased the stability that the handcart parked, has avoided the operating handle to receive jolt and has driven the gear rotation, and the handcart operation that leads to is inconvenient.

Description

Self-locking handcart wheel

Technical Field

The utility model relates to the technical field of self-locking handcart wheels, in particular to a self-locking handcart wheel.

Background

The handcart is a manually pushed and pulled carrying vehicle, is an ancestor of all vehicles, and although the handcart material carrying technology is continuously developed, the handcart is still used as an indispensable carrying tool, and the handcart is widely applied in production and life because of low cost, simple maintenance, convenient operation and light dead weight, can work in places where the motor vehicle is inconvenient to use, and is quite convenient when carrying lighter articles in a short distance.

The wheels are indispensable parts of the handcart, the front wheels are fixed, the rear wheels are universal wheels, the self-locking means that the handcart is fixed through locking the wheels, the locking of the wheels is realized through friction, the rotation of the wheels can be stopped in a mode, but the universal wheels can rotate, and the stability is poor.

Disclosure of Invention

1. Technical problem to be solved

The utility model aims to provide a self-locking handcart wheel, which solves the problems in the prior art:

2. Technical proposal

The utility model provides a auto-lock handcart wheel, includes the handcart, the one end of handcart lower surface is provided with the bearing frame, the bottom of bearing frame is provided with the rotating plate, the lower surface mounting of rotating plate has first wheel, the other end of handcart lower surface is provided with the mounting panel, the surface of mounting panel is provided with the pivot, the outside of pivot is provided with the second wheel, be provided with the connecting plate between second wheel and the pivot, the lower surface of handcart is provided with the mount pad between the bearing frame, the inside sliding connection of mount pad has the pinion rack, the inside of mount pad is provided with the gear between the pinion rack, the mount pad below is provided with the operation handle with gear connection, the tip of pinion rack is provided with the friction ring with rotating plate assorted, the friction ring side is provided with the connecting rod, the connecting rod tip is provided with the cardboard with mounting panel sliding connection.

Preferably, one end of the upper surface of the trolley is provided with a handle.

Preferably, the number of the connecting plates is a plurality of, and clamping seams matched with the clamping plates are formed between the connecting plates.

Preferably, the lower surface of mount pad one side handcart is provided with the fixed block, the side surface of fixed block is provided with the draw-in groove with handle assorted, the inside elastic connection of draw-in groove has the trapezoidal piece, the side surface of trapezoidal piece is provided with the operation piece.

Preferably, the upper surface of the inner wall of the clamping groove is provided with a movable groove matched with the trapezoid block, and the upper surface of the inner wall of the movable groove is provided with a spring connected with the trapezoid block.

Preferably, a sliding groove is formed in the side surface of the inner wall of the movable groove, and a sliding block matched with the sliding groove is arranged on the side surface of the trapezoid block.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

1) This auto-lock handcart wheel is when using, it is rotatory to drive the gear through the operation handle for the pinion rack activity, and then drives the friction ring and rubs the rotating plate, and then the rotation of restriction rotating plate, and then avoid first wheel to take place to rotate, drives the cardboard of connecting rod and tip to rotating plate activity simultaneously and gets into the joint, realizes spacing to the second wheel, and this scheme is through rotating the limiting of board, second wheel, has avoided first wheel to take place to rotate and has realized the rotation of second wheel, has increased the stability that the handcart parked.

2) When the self-locking handcart wheel is used, the operation handle is manually pushed into the clamping groove, the operation handle is limited through the trapezoid block, the limitation of the first wheel and the second wheel is relieved, meanwhile, the operation handle is prevented from jolting to drive the gear to rotate, and the operation of the handcart is inconvenient.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1A;

FIG. 3 is a schematic view of a mounting base according to the present utility model;

FIG. 4 is an enlarged view of a portion of B in FIG. 3;

fig. 5 is a schematic diagram illustrating the internal parsing of a fixed block according to the present utility model.

The reference numerals in the figures illustrate: 1. a trolley; 2. a handle; 3. a bearing seat; 4. a rotating plate; 5. a first wheel; 6. a mounting plate; 7. a rotating shaft; 8. a second wheel; 9. a connecting plate; 10. a mounting base; 11. a toothed plate; 12. a gear; 13. a friction ring; 14. an operating handle; 15. a connecting rod; 16. a clamping plate; 17. a fixed block; 18. a clamping groove; 19. a trapezoid block; 20. an operation block; 21. a movable groove; 22. a spring; 23. a chute; 24. a sliding block.

Detailed Description

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1:

the wheels are indispensable parts of the handcart, the front wheels are fixed, the rear wheels are universal wheels, the self-locking means that the handcart is fixed through locking the wheels, the locking of the wheels is realized through friction, the rotation of the wheels can be stopped in the mode, the universal wheels can rotate, the universal wheels can possibly rotate, the stability is poor, and the problem is solved through the following scheme.

Please refer to fig. 1 to 5, a auto-lock handcart wheel, including handcart 1, the one end of handcart 1 lower surface is provided with bearing frame 3, the bottom of bearing frame 3 is provided with rotating plate 4, the lower surface mounting of rotating plate 4 has first wheel 5, the other end of handcart 1 lower surface is provided with mounting panel 6, the surface of mounting panel 6 is provided with pivot 7, the outside of pivot 7 is provided with second wheel 8, be provided with connecting plate 9 between second wheel 8 and the pivot 7, second wheel 8 passes through connecting plate 9 fixed connection with pivot 7, the lower surface of handcart 1 between the bearing frame 3 is provided with mount pad 10, the inside sliding connection of mount pad 10 has pinion rack 11, the inside of mount pad 10 is provided with gear 12 between the pinion rack 11, the mount pad 10 below is provided with the operating handle 14 that is connected with gear 12, operating handle 14 can rotate gear 12, the tip of pinion rack 11 is provided with the friction ring 13 with rotating plate 4 assorted, the friction ring 13 side is provided with connecting rod 15, connecting rod 15 tip is provided with the cardboard 16 with mounting panel 6 sliding connection, drive gear 12 through operating handle 14 rotation, make pinion 11 drive the pinion 12 through operating handle, and then the wheel 11 drives the second wheel 8, the second wheel that rotates 8 and the second wheel that rotates 5 is further to the rotating plate 8, the limit scheme of the second wheel 8 has realized, the limit joint is realized, the second wheel 8 is further to the tip that the second wheel is rotated to the rotating plate 4, the limit joint is realized, the rotation 5 is further to the second wheel is realized, the 5, the limit joint is realized, and the 5 is further to the rotation 5 is realized, and the limit is further to the 5 is realized, the 5 to the 5 is further to the rotating plate is realized, and the 5.

As a further aspect of the utility model: one end of the upper surface of the handcart 1 is provided with a handle 2, and the handle 2 is convenient for operating the handcart 1.

As a further aspect of the utility model: the quantity of connecting plates 9 is a plurality of, has formed the joint with cardboard 16 assorted between the connecting plates 9, and the joint can realize spacing of second wheel 8 with cardboard 16 joint.

The utility model comprises the following steps: this auto-lock handcart wheel is when using, when needs are fixed handcart 1, the staff only need drive gear 12 through operating handle 14 and rotate for pinion rack 11 activity, and then drive friction ring 13 and rub to rotating plate 4, and then restrict the rotation of rotating plate 4, and then avoid first wheel 5 to take place to rotate, friction ring 13 drives connecting rod 15 and cardboard 16 entering joint of tip when rotating plate 4 activity, realize spacing to second wheel 8, this scheme is through rotating plate 4, spacing of second wheel 8, avoided first wheel 5 to take place to rotate and realized the rotation of second wheel 8, the stability of handcart 1 parking has been increased.

Example 2:

when the trolley 1 moves, when the trolley 1 is jolted, the gear 12 may spin, causing the friction ring 13 to block the rotating plate 4, which is solved by the following scheme.

Referring to fig. 1 to 5, the difference of the foundation of the combined embodiment 1 is that the lower surface of the cart 1 at one side of the mounting seat 10 is provided with a fixing block 17, the side surface of the fixing block 17 is provided with a clamping groove 18 matched with the handle 2, the inside of the clamping groove 18 is elastically connected with a trapezoid block 19, the side surface of the trapezoid block 19 is provided with an operation block 20, the operation block 20 facilitates the adjustment of the height of the trapezoid block 19, the operation handle 14 is manually pushed into the clamping groove 18, the limit of the operation handle 14 is limited by the trapezoid block 19, the limit of the first wheel 5 and the second wheel 8 is released, and meanwhile, the operation handle 14 is prevented from being driven by jolt to rotate by the gear 12, so that the cart 1 is inconvenient to operate.

As a further aspect of the utility model: the upper surface of the inner wall of the clamping groove 18 is provided with a movable groove 21 matched with the trapezoidal block 19, the upper surface of the inner wall of the movable groove 21 is provided with a spring 22 connected with the trapezoidal block 19, and the spring 22 enables the trapezoidal block 19 to have downward elasticity so that the trapezoidal block 19 is attached to the lower surface of the clamping groove 18.

As a further aspect of the utility model: the side surface of the inner wall of the movable groove 21 is provided with a sliding groove 23, the side surface of the trapezoid block 19 is provided with a sliding block 24 matched with the sliding groove 23, and the trapezoid block 19 is in sliding connection with the movable groove 21 through the sliding block 24 arranged in the sliding groove 23, so that the stability of the upward and downward movement of the trapezoid block 19 is improved.

The utility model comprises the following steps: when the self-locking handcart wheel is used, when the handcart 1 needs to be moved, the operation handle 14 is pushed into the clamping groove 18 only by hand, the operation handle 14 is limited by the trapezoid block 19, the limitation of the first wheel 5 and the second wheel 8 is relieved, and meanwhile, the operation handle 14 is prevented from being jolt to drive the gear 12 to rotate, so that the handcart 1 is inconvenient to operate.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Self-locking trolley wheel, comprising a trolley (1), characterized in that: the one end of handcart (1) lower surface is provided with bearing frame (3), the bottom of bearing frame (3) is provided with rotating plate (4), the lower surface mounting of rotating plate (4) has first wheel (5), the other end of handcart (1) lower surface is provided with mounting panel (6), the surface of mounting panel (6) is provided with pivot (7), the outside of pivot (7) is provided with second wheel (8), be provided with connecting plate (9) between second wheel (8) and pivot (7), the lower surface of handcart (1) is provided with mount pad (10) between bearing frame (3), the inside sliding connection of mount pad (10) has pinion (11), the inside of mount pad (10) is provided with gear (12) between pinion (11), the tip of mount pad (10) is provided with operation handle (14) that are connected with gear (12), the tip of pinion (11) is provided with friction ring (13) with rotating plate (4) assorted, friction ring (13) side is provided with connecting rod (15), tip (16) are connected with connecting plate (16).

2. A self-locking trolley wheel according to claim 1, wherein: one end of the upper surface of the trolley (1) is provided with a handle (2).

3. A self-locking trolley wheel according to claim 1, wherein: the number of the connecting plates (9) is a plurality of, and clamping seams matched with the clamping plates (16) are formed between the connecting plates (9).

4. A self-locking trolley wheel according to claim 1, wherein: the lower surface of mount pad (10) one side handcart (1) is provided with fixed block (17), the side surface of fixed block (17) is provided with draw-in groove (18) with handle (2) assorted, the inside elastic connection of draw-in groove (18) has trapezoidal piece (19), the side surface of trapezoidal piece (19) is provided with operation piece (20).

5. A self-locking trolley wheel according to claim 4, wherein: the upper surface of draw-in groove (18) inner wall is offered and is matchd movable groove (21) with trapezoidal piece (19), the upper surface of movable groove (21) inner wall is provided with spring (22) that are connected with trapezoidal piece (19).

6. A self-locking trolley wheel according to claim 5, wherein: the side surface of the inner wall of the movable groove (21) is provided with a sliding groove (23), and the side surface of the trapezoid block (19) is provided with a sliding block (24) matched with the sliding groove (23).