CN212738185U

CN212738185U - Telescopic truckle device

Info

Publication number: CN212738185U
Application number: CN202021692360.XU
Authority: CN
Inventors: 陈卫东; 邓玉平
Original assignee: Yichang Dongming Electrical Co ltd
Current assignee: Hubei Dongming Electric Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-03-19
Anticipated expiration: 2030-08-13

Abstract

The utility model provides a telescopic caster device, relating to the technical field of casters, which comprises a connecting main body, a plurality of support rods and casters; two ends of the connecting main body are respectively provided with a cavity filled with liquid, and the cavities are communicated with each other; the supporting rods are respectively arranged at two ends of the connecting main body, one end of each supporting rod is fixedly connected with a piston, the piston is connected in the cavity in a sliding mode, and the piston seals liquid in the cavity; the truckle is connected at the other end of the support rod. The problem of the shallow that exists among the prior art when using on the road surface of slope, the automobile body also can incline thereupon, article on the shallow drop easily is solved.

Description

Telescopic truckle device

Technical Field

The utility model relates to a truckle technical field especially relates to a telescopic truckle device.

Background

The shallow all is provided with the truckle, and traditional truckle is all fixed to be set up on the truckle base, then fixes on the automobile body again through the truckle base. The length of the caster base is fixed, when the cart is used on an inclined road surface, the cart body can also incline along with the caster base, and articles on the cart are easy to drop.

SUMMERY OF THE UTILITY MODEL

To the not enough that exists among the prior art, the utility model provides a telescopic truckle device, it has solved the shallow that exists among the prior art and when using on the road surface of slope, the automobile body also can incline thereupon, the problem that article on the shallow dropped easily.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a telescopic caster device comprises a connecting main body, a plurality of supporting rods and a caster;

two ends of the connecting main body are respectively provided with a cavity filled with liquid, and the cavities are communicated with each other;

the supporting rods are respectively arranged at two ends of the connecting main body, one end of each supporting rod is fixedly connected with a piston, the piston is connected in the cavity in a sliding mode, and the piston seals liquid in the cavity;

the truckle is connected at the other end of the support rod.

Compared with the prior art, the utility model has the following beneficial effects:

when the cart is used on flat ground, the lengths of the two support rods extending into the cavity are equal, when the cart passes through the inclined ground, the support rod positioned at the high position extends into the cavity, water in the cavity is extruded to flow to the other side, and the part of the support rod positioned at the low position extending into the cavity is extruded to form a part; the novel balance is achieved, so that the cart body cannot incline when the cart is on the inclined ground, and articles on the cart are prevented from falling.

Preferably, be provided with fastener on one of them bracing piece, fastener includes fastening block, rotatory piece and bottom block, bottom block and connecting body rigid coupling, rotatory piece is crescent, is provided with the coil spring between rotatory piece and the bottom block, and the middle part and the bottom block of rotatory piece are articulated, the one end and the fastening block of rotatory piece are articulated, and the other end articulates there is the stay cord, be provided with the resistance face of restriction bracing piece activity from top to bottom on the fastening block, be provided with between fastening block and the rotatory piece and prevent the downward free rotation's of fastening block coil spring.

Preferably, a handle is arranged on the connecting main body, one end of the handle is hinged to the connecting main body, and one end of the pull rope is fixedly connected to the handle.

Preferably, the resistance surface is provided with a plurality of edge teeth along the axial direction of the support rod, and the support rod is provided with a groove capable of accommodating the edge teeth.

Preferably, the connecting body is provided with a water inlet communicating with the chamber.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.

Drawings

Fig. 1 is a schematic view of the overall structure of an embodiment of the present invention.

Fig. 2 is a schematic view of a caster device located on an inclined floor according to an embodiment of the present invention.

Fig. 3 is a schematic structural view of a fastening device according to an embodiment of the present invention.

In the above drawings: 1. a connecting body; 2. a support bar; 3. a caster wheel; 4. a chamber; 5. a piston; 6. a fastening device; 7. a fastening block; 8. rotating the block; 9. a bottom block; 10. pulling a rope; 11. a grip; 12. the edge teeth; 13. a groove; 14. a water inlet.

Detailed Description

In order to make the technical means, creation features, achievement purposes and effects of the present invention clearer and easier to understand, the following will further explain the technical solution of the present invention with reference to the accompanying drawings and embodiments.

As shown in fig. 1 and 2, an embodiment of the present invention provides a retractable caster device, which is characterized in that: comprises a connecting body 1, a plurality of support rods 2 and casters 3; two ends of the connecting body 1 are respectively provided with a chamber 4 filled with liquid, and the chambers 4 are communicated with each other; the supporting rods 2 are respectively arranged at two ends of the connecting main body 1, one end of each supporting rod 2 is fixedly connected with a piston 5, the piston 5 is connected in the chamber 4 in a sliding mode, and the piston 5 seals liquid in the chamber 4; the caster 3 is connected to the other end of the support bar 2. The connecting main body 1 is provided with a water inlet 14 communicated with the cavity 4, a certain amount of water is injected into the cavity 4 of the connecting main body 1 through the water inlet 14, the water inlet 14 is sealed, when the cart is used on the flat ground, the water is in a stable state in the cavity, and the lengths of the support rods 2 extending into the cavity 4 are equal; when the cart passes through the inclined ground, a person exerts force to keep the cart horizontal, the supporting rod 2 positioned at the high position is stressed, the supporting rod 2 positioned at the low position loses support, the supporting rod 2 positioned at the high position extrudes water in the chamber 4 to the supporting rod 2 positioned at the low position through the piston 5, and the supporting rod 2 positioned at the low position obtains the support of the ground. When the new balance is reached, the cart is still kept horizontal, and articles on the cart are prevented from sliding off.

As shown in fig. 3, a fastening device 6 is arranged on one of the support rods 2, the fastening device 6 includes a fastening block 7, a rotating block 8 and a bottom block 9, the bottom block 9 is fixedly connected with the connecting body 1, the rotating block 8 is crescent-shaped, the middle of the rotating block 8 is hinged to the bottom block 9, one end of the rotating block 8 is hinged to the fastening block 7, the other end of the rotating block 8 is hinged to a pull rope 10, a resistance surface for limiting the vertical movement of the support rod 2 is arranged on the fastening block 7, the pull rope 10 is pulled, the rotating block 8 is driven by the pull rope 10 to rotate, an unfilled corner is arranged on the connecting body 1, the rotating block 8 can smoothly rotate, and meanwhile, the fastening block 7 is driven by the rotating block 8 to move, so that the fastening block 7 loosens the. The axial of edge bracing piece 2 is equipped with a plurality of edges and teeth 12 on the resistance face, be provided with the recess 13 that can hold edges and teeth 12 on the bracing piece 2. When the pull rope 10 is not pulled, the ridge teeth 12 on the fastening block 7 are positioned in the groove 13 on the support rod 2, the support rod 2 is limited by the fastening device 6, and the support rod 2 cannot slide up and down in the cavity 4. When the pulling rope 10 is pulled, the ridge teeth 12 on the fastening block 7 are separated from the groove 13 on the support rod 2 along with the movement of the fastening block 7, so that the support rod 2 can move up and down in the chamber 4. A coil spring is arranged between the rotating block 8 and the bottom block 9, and a coil spring for preventing the fastening block 7 from freely rotating downwards is arranged between the fastening block 7 and the rotating block 8. And when the pull rope 10 is released, the coil spring between the rotating block 8 and the bottom block 9 can provide a reaction force for the rotating block 8, so that the rotating block 8 returns to the original position, the coil spring between the fastening block 7 and the rotating block 8 can provide a force for the fastening block 7 to the supporting rod 2, the ridge teeth 12 are restored into the grooves 13, the supporting rod 2 is limited to slide up and down, and the stability of the automobile body is kept.

As shown in fig. 1, the connecting body 1 is provided with a handle 11, one end of the handle 11 is hinged to the connecting body 1, and one end of the pull rope 10 is fixedly connected to the handle 11. When the pushing cart moves and needs to adjust the length of the supporting rod 2 extending into the cavity 4 through the unstable ground, the user only needs to hold the handle 11 tightly and pull the pull rope 10, and the pushing cart is convenient to use.

Finally, it is noted that the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims

1. A telescopic caster device, characterized in that: comprises a connecting main body (1), a plurality of support rods (2) and trundles (3);

two ends of the connecting main body (1) are respectively provided with a chamber (4) filled with liquid, and the chambers (4) are communicated with each other;

the supporting rods (2) are respectively arranged at two ends of the connecting main body (1), one end of each supporting rod (2) is fixedly connected with a piston (5), the piston (5) is connected in the cavity (4) in a sliding mode, and the piston (5) seals liquid in the cavity (4);

the caster wheel (3) is connected with the other end of the support rod (2).

2. The telescopic caster device according to claim 1, wherein: be provided with fastener (6) on one of them bracing piece (2), fastener (6) are including fastening block (7), rotatory piece (8) and bottom block (9), bottom block (9) and connecting body (1) rigid coupling, rotatory piece (8) are crescent, are provided with the coil spring between rotatory piece (8) and bottom block (9), and the middle part and bottom block (9) of rotatory piece (8) are articulated, the one end and the fastening block (7) of rotatory piece (8) are articulated, and the other end articulates there is stay cord (10), be provided with the resistance face of restriction bracing piece (2) activity from top to bottom on fastening block (7), be provided with between fastening block (7) and rotatory piece (8) and prevent fastening block (7) downward free rotation's coil spring.

3. The telescopic caster device according to claim 2, wherein: the connecting body (1) is provided with a handle (11), one end of the handle (11) is hinged to the connecting body (1), and one end of the pull rope (10) is fixedly connected to the handle (11).

4. The telescopic caster device according to claim 2, wherein: the resistance face is provided with a plurality of prismatic teeth (12) along the axial direction of the support rod (2), and the support rod (2) is provided with a groove (13) capable of accommodating the prismatic teeth (12).

5. The telescopic caster device according to claim 1, wherein: the connecting body (1) is provided with a water inlet (14) communicated with the chamber (4).