CN211075969U

CN211075969U - Stretchable folding trolley

Info

Publication number: CN211075969U
Application number: CN201921780962.8U
Authority: CN
Inventors: 冯国鹏
Original assignee: Qingdao Penghai Vehicle Co ltd
Current assignee: Qingdao Penghai Vehicle Co ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-07-24
Anticipated expiration: 2029-10-23

Abstract

The utility model discloses a foldable handcart of can stretching, which comprises a base plate, first slot has been seted up to one side of base plate, the inside slip of first slot is pegged graft and is had tensile board, fixed mounting has the spring pearl on the inner wall of first slot, set up the arc groove corresponding with the spring pearl on the lateral wall of tensile board, spring pearl joint is fixed in the inside in arc groove, two sets of second slots have been seted up to the lower extreme symmetry of base plate, the inside slip of second slot is pegged graft and is had the bar inserted block, the lower extreme fixed mounting of bar inserted block has the universal wheel, the upper end symmetric welding of base plate has two sets of fixed blocks. The utility model discloses when accomodating, can rotate the stopper, then take out the bar inserted block from the second slot, then place it and accomodate in the standing groove of seting up on the base plate, the handcart volume after enabling folding is littleer, has avoided the unable dismantlement of universal wheel to a certain extent to lead to accomodate inconveniently.

Description

Stretchable folding trolley

Technical Field

The utility model relates to a handcart technical field specifically is a foldable handcart of can stretching.

Background

The handcart is a transport vehicle which is pushed and pulled by people and is the ancestor of all vehicles. While the technology of cart materials handling continues to advance, carts continue to be used as an indispensable handling tool. The trolley is widely used in production and life because of its low cost, simple maintenance, convenient operation, light weight, ability to work in places where motor vehicles are not convenient to use, and convenience in carrying lighter objects in short distance.

The existing trolley is convenient to store, most of push handles can be folded, but in actual storage, because universal wheels at the bottom of the trolley cannot be detached, the trolley is still inconvenient, and the occupied area is large, so that the stretchable foldable trolley is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a foldable handcart of can stretching, two sets of second slots have been seted up through the lower extreme symmetry at the base plate to this handcart, and peg graft the universal wheel through the bar inserted block and be fixed in the inside of second slot, and carry on spacingly through the stopper of base plate one side, when accomodating, can rotate the stopper, then take out the bar inserted block from the second slot, then place it in the standing groove of seting up on the base plate and accomodate, it is littleer to enable the handcart volume after folding, it is inconvenient to have avoided accomodating that the universal wheel can't dismantle the leading to a certain extent, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a foldable handcart of can stretching, includes the base plate, first slot has been seted up to one side of base plate, the inside of first slot slides and pegs graft there is the stretching plate, fixed mounting has the spring pearl on the inner wall of first slot, set up the circular arc groove corresponding with the spring pearl on the lateral wall of stretching plate, spring pearl joint is fixed in the inside in circular arc groove, two sets of second slots have been seted up to the lower extreme symmetry of base plate, the inside of second slot slides and pegs graft and has the bar inserted block, the lower extreme fixed mounting of bar inserted block has the universal wheel, the upper end symmetrical welding of base plate has two sets of fixed blocks, the fixed block sets up to the spill fixed block, and the inside rotation of fixed block is connected with the pushing hands.

Preferably, the spring ball includes steel ball, sliding block, compression spring and baffle, the steel ball laminating is in one side of sliding block, one side fixed connection in compression spring's one end of sliding block, the baffle is provided with two sets ofly, sliding block and compression spring all are located between two sets of baffles.

Preferably, the fixed welding in inside of fixed block has the horizontal pole, the lower extreme of pushing hands rotates the suit in the outside of horizontal pole, seted up first spliced eye on the lateral wall of fixed block, the lower extreme of pushing hands is seted up the second spliced eye corresponding with first spliced eye, first spliced eye and the inside grafting of second spliced eye have the fixed pin.

Preferably, the upper end of the base plate is provided with a placing groove for placing the strip-shaped inserting block.

Preferably, the side wall of the base plate is fixedly welded with a stand column, and the stand column is rotatably connected with a limiting block.

Preferably, one end of the stretching plate is fixedly welded with a side plate, and one side of the side plate is fixedly welded with a handle.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up two sets of second slots at the lower extreme symmetry of base plate to fix the universal wheel in the inside of second slot through the grafting of bar inserted block, and spacing through the stopper of base plate one side, when accomodating, can rotate the stopper, then take out the bar inserted block from the second slot, then place it in the standing groove of seting up on the base plate and accomodate, can make the handcart volume after folding smaller, avoided the universal wheel to a certain extent to dismantle the storage inconvenience that leads to;

2. the utility model discloses a first slot has been seted up in one side of base plate to it has the extension board to slide to peg graft in the inside of first slot, and carries out the joint with the extension board through the spring pearl and fix, when the handcart transported the great goods of volume, can pull out the extension board and support the goods, is convenient for transport.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the substrate structure of the present invention;

fig. 3 is a schematic view of the structure of the fixing block of the present invention;

fig. 4 is a schematic view of the structure of the spring bead of the present invention.

In the figure: 1. a substrate; 2. a first slot; 3. stretching the plate; 4. a spring bead; 5. an arc groove; 6. a second slot; 7. a strip-shaped insert block; 8. a universal wheel; 9. a fixed block; 10. a pushing handle; 11. steel balls; 12. a slider; 13. a compression spring; 14. a baffle plate; 15. a cross bar; 16. a first plug hole; 17. a second plug hole; 18. a fixing pin; 19. a placement groove; 20. a column; 21. a limiting block; 22. a side plate; 23. and (4) a handle.

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.

Referring to fig. 1-4, the present invention provides a technical solution: the stretchable folding trolley comprises a base plate 1, a first slot 2 is formed in one side of the base plate 1, an extension plate 3 is inserted into the first slot 2 in a sliding mode, a side plate 22 is fixedly welded at one end of the extension plate 3, a handle 23 is fixedly welded at one side of the side plate 22, spring beads 4 are fixedly mounted on the inner wall of the first slot 2, each spring bead 4 comprises a steel ball 11, a sliding block 12, a compression spring 13 and a baffle 14, each steel ball 11 is attached to one side of the corresponding sliding block 12, one side of the corresponding sliding block 12 is fixedly connected to one end of the corresponding compression spring 13, the two groups of baffles 14 are arranged, the sliding blocks 12 and the compression springs 13 are located between the two groups of baffles 14, an arc groove 5 corresponding to the spring beads 4 is formed in the side wall of the extension plate 3;

two groups of second slots 6 are symmetrically formed in the lower end of the base plate 1, strip-shaped inserting blocks 7 are inserted into the second slots 6 in a sliding mode, universal wheels 8 are fixedly mounted at the lower ends of the strip-shaped inserting blocks 7, a placing groove 19 for placing the strip-shaped inserting blocks 7 is formed in the upper end of the base plate 1, stand columns 20 are fixedly welded on the side walls of the base plate 1, and limiting blocks 21 are connected to the stand columns 20 in a rotating mode;

two sets of fixed blocks 9 of upper end symmetrical welding of base plate 1, fixed block 9 sets up to the spill fixed block, and the inside of fixed block 9 is rotated and is connected with pushing hands 10, the inside fixed welding of fixed block 9 has horizontal pole 15, the lower extreme of pushing hands 10 rotates the suit in the outside of horizontal pole 15, first spliced eye 16 has been seted up on the lateral wall of fixed block 9, the lower extreme of pushing hands 10 has been seted up with the corresponding second spliced eye 17 of first spliced eye 16, first spliced eye 16 and the inside fixed pin 18 of pegging graft of second spliced eye 17.

The working principle is as follows: when in use, two groups of second slots 6 are symmetrically arranged at the lower end of the base plate 1, the universal wheel 8 is fixedly inserted into the second slots 6 through the strip-shaped inserting blocks 7, and is limited through the limiting block 21 at one side of the base plate 1, when in storage, the limiting block 21 can be rotated, then the strip-shaped inserting blocks 7 are taken out from the second slots 6 and are placed in the placing groove 19 arranged at the upper end of the base plate 1 for storage, so that the folded trolley has smaller volume, the storage inconvenience caused by the incapability of disassembling the universal wheel 8 is avoided to a certain extent, the first slots 2 are arranged at one side of the base plate 1, the stretching plates 3 are inserted into the first slots 2 in a sliding manner, the stretching plates 3 are clamped and fixed through the spring beads 4, when the trolley transports goods with larger volume, the stretching plates 3 can be pulled out to support the goods, is convenient for transportation.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A stretchable folding cart comprising a base plate (1), characterized in that: a first slot (2) is arranged on one side of the base plate (1), a stretching plate (3) is inserted in the first slot (2) in a sliding manner, the inner wall of the first slot (2) is fixedly provided with a spring bead (4), the side wall of the stretching plate (3) is provided with an arc groove (5) corresponding to the spring bead (4), the spring beads (4) are clamped and fixed inside the arc groove (5), two groups of second slots (6) are symmetrically arranged at the lower end of the base plate (1), a strip-shaped inserting block (7) is inserted in the second slot (6) in a sliding manner, the lower end of the strip-shaped inserting block (7) is fixedly provided with a universal wheel (8), the upper end of the base plate (1) is symmetrically welded with two groups of fixed blocks (9), the fixing block (9) is a concave fixing block, and a pushing handle (10) is rotatably connected inside the fixing block (9).

2. A stretchable folding cart according to claim 1, further comprising: spring ball (4) include steel ball (11), sliding block (12), compression spring (13) and baffle (14), steel ball (11) are laminated in one side of sliding block (12), one side fixed connection in the one end of compression spring (13) of sliding block (12), baffle (14) are provided with two sets ofly, sliding block (12) and compression spring (13) all are located between two sets of baffle (14).

3. A stretchable folding cart according to claim 1, further comprising: the inside fixed welding of fixed block (9) has horizontal pole (15), the lower extreme of pushing hands (10) rotates the suit in the outside of horizontal pole (15), first spliced eye (16) have been seted up on the lateral wall of fixed block (9), second spliced eye (17) corresponding with first spliced eye (16) have been seted up to the lower extreme of pushing hands (10), first spliced eye (16) and second spliced eye (17) inside grafting have fixed pin (18).

4. A stretchable folding cart according to claim 1, further comprising: the upper end of the base plate (1) is provided with a placing groove (19) for placing the strip-shaped inserting block (7).

5. A stretchable folding cart according to claim 1, further comprising: the fixed welding has stand (20) on the lateral wall of base plate (1), it is connected with stopper (21) to rotate on stand (20).

6. A stretchable folding cart according to claim 1, further comprising: one end of the stretching plate (3) is fixedly welded with a side plate (22), and one side of the side plate (22) is fixedly welded with a handle (23).