CN220500740U

CN220500740U - Adjustable folding trolley

Info

Publication number: CN220500740U
Application number: CN202322210383.2U
Authority: CN
Inventors: 褚炜炜
Original assignee: Yuyao Yingmeng Spray Painting Factory
Current assignee: Yuyao Yingmeng Spray Painting Factory
Priority date: 2023-08-16
Filing date: 2023-08-16
Publication date: 2024-02-20
Anticipated expiration: 2033-08-16

Abstract

The utility model provides an adjustable folding trolley, which comprises a trolley frame capable of realizing folding, wherein upper mounting seats are fixed at the tops of four corners of the trolley frame, an adjusting assembly is arranged on each upper mounting seat, each adjusting assembly comprises a first pipe body horizontally arranged on each upper mounting seat, a first sleeve is horizontally matched with the first pipe body in a sliding mode, the end part of each first sleeve is bent upwards to form a second sleeve, a second pipe body is vertically matched with the second sleeve in a sliding mode, a clamping mechanism for clamping and fixing the second pipe body is arranged on each second sleeve, a first mounting piece is arranged at the top of each second pipe body, a horizontal support pipe is detachably arranged between the two first mounting pieces positioned on the same side, and a supporting surface for placing a table plate is formed between the two horizontal support pipes. The adjustable folding cart is compact in structure, convenient to adjust, labor-saving and good in using effect.

Description

Adjustable folding trolley

Technical Field

The utility model relates to a trolley, in particular to an adjustable folding trolley.

Background

Along with the improvement of people's living standard, outdoor camping is more and more common, folding shallow is as the requisite instrument of camping, it can realize folding drawing in, portable, can regard as the shallow to use after expanding for splendid attire various camping articles, food etc. during the use, can lay the table in the upper end of shallow for article is placed, traditional folding shallow receives the structure influence, can't adjust length, and the table is folding form usually, consequently can only place the table of less area or length, simultaneously, can't height-adjusting, can not be with the desktop alignment to comfortable position, the use experience is poor.

Disclosure of Invention

【1】 Technical problem to be solved

The utility model aims to provide an adjustable folding cart capable of quickly adjusting the height and the length, further increasing the length of a desk plate and adjusting the height of the desk plate.

【2】 Technical proposal for solving the problems

The utility model provides an adjustable folding cart which comprises a cart frame capable of achieving folding, wherein rollers 2 are arranged at the bottom of the cart frame, upper mounting seats 3 are fixed at the tops of four corners of the cart frame, adjusting assemblies 7 are arranged on the upper mounting seats 3, each adjusting assembly 7 comprises a first tube body 73 horizontally arranged on the upper mounting seats 3, the axis of each first tube body 73 is parallel to the length direction of the cart frame, a first sleeve 71a is horizontally and slidingly arranged on each first tube body 73, the end part of each first sleeve 71a is bent upwards to form a second sleeve 71b, a second tube body 74 is vertically and slidingly arranged in each second sleeve 71b, a clamping mechanism 72 for clamping and fixing the corresponding second tube body 74 is arranged on each second sleeve 71b, a first mounting piece 75 is arranged at the top of each second tube body 74, a horizontal support tube 8 is detachably arranged between the two first mounting pieces 75 positioned on the same side, and a support surface 9 for placing a support plate 9 is formed between the two horizontal support tubes 8.

Further, the adjustment assembly 7 is located outside the vehicle frame.

Further, the first pipe 73 is detachably mounted on the upper mounting base 3.

Further, the upper mounting seat 3 is provided with a jack 30 for accommodating the insertion of the first pipe body 73, the axis of the jack is parallel to the length direction of the vehicle frame, one or more limiting protrusions 301 are arranged in the jack 30, and a limiting clamping groove 730 capable of accommodating the limiting protrusions 301 and realizing radial and axial limiting is arranged at the end part of the first pipe body 73.

Further, the limiting protrusion 301 and the limiting slot 730 are bar-shaped and parallel to the length direction of the insertion hole.

Further, the side wall of the second tube 74 is provided with scale marks.

Further, the outer wall of the end portion of the second sleeve 71b is provided with external threads and forms a first connecting portion, strip-shaped grooves are uniformly distributed on the circumference of the side wall of the first connecting portion, the strip-shaped grooves penetrate upwards out of the second sleeve 71b and divide the first connecting portion into a plurality of clamping portions capable of generating elastic deformation, locking nuts are connected to the clamping portions in a threaded manner, and contact surfaces of the locking nuts and the clamping portions are inclined surfaces and enable the clamping portions to generate inward elastic deformation so as to clamp the second pipe body.

Further, the table is foldable and has a second mounting member 91 on its bottom surface that is connectable to the horizontal support tube 8.

Further, the first and second mounting members are pipe clamps.

【3】 Advantageous effects

The adjustable folding cart provided by the utility model adopts a folding structure, can realize folding and gathering, reduces occupied space and is convenient to carry; the roller with the brake is arranged, so that the stopping stability and reliability of the table top are improved when the table top is used as the table top, and sliding is avoided; the adjusting assembly is arranged, so that the length adjustment and the height adjustment can be realized, the adjustment is convenient and labor-saving, the table board with a larger application length range is used, and the use experience is good; the pipe clamps are adopted, so that the table board is convenient and quick to mount and dismount; the clamping mechanism is adopted, so that rapid clamping and loosening can be realized, the operation is simple, and the clamping effect is good; the scale marks are arranged, so that the lifting height can be visually seen, the adjustment precision is high, the inclination of a tabletop caused by different heights is avoided, and the adjustment is convenient; the adjustable folding cart is compact in structure, convenient to adjust, labor-saving and good in using effect.

Drawings

FIG. 1 is a schematic view of an adjustable folding cart according to the present utility model;

FIG. 2 is a schematic view of another angle structure of the adjustable folding cart of the present utility model;

FIG. 3 is a schematic view showing a use state of the adjustable folding cart according to the present utility model;

FIG. 4 is a schematic view of another angle usage state of the adjustable folding cart of the present utility model;

FIG. 5 is a schematic view of an adjusting assembly of the adjustable folding cart of the present utility model;

fig. 6 is a cross-sectional view of an adjustment assembly of the adjustable folding cart of the present utility model.

Detailed Description

Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

Referring to fig. 1-6, the utility model provides an adjustable folding cart, which comprises a cart frame capable of realizing folding, wherein rollers 2 are arranged at the bottom of the cart frame, in particular, the cart frame comprises four support rods 1 which are arranged in parallel and are perpendicular to a horizontal plane, the support rods 1 comprise an outer sleeve 11 and an inner sleeve 12 which is slidingly matched in the outer sleeve 11, the upper end of the inner sleeve extends out of the outer sleeve, an upper mounting seat 3 is fixed at the top of the inner sleeve, a lower mounting seat is fixed at the bottom of the outer sleeve, a first scissor rod assembly 4 is connected between two support rods 1 positioned at the same side, the lower end of the first scissor rod assembly is hinged with the lower mounting seat, the upper end of the first scissor rod assembly is hinged with the upper mounting seat 3, and two support rods positioned at the same side can realize parallel approaching or separating through the first scissor rod assembly; meanwhile, a second scissor rod assembly 5 is connected between the two support rods 1 at the same end, the lower end of the second scissor rod assembly is hinged with the lower mounting seat, the upper end of the second scissor rod assembly is hinged with the upper mounting seat 3, and the two support rods at the same end can be parallel to or far away from each other through the second scissor rod assembly; meanwhile, a hinge seat is arranged in the center of a plane formed by the four lower mounting seats, four bottom rods 6 are hinged to the hinge seat, the bottom rods can be bent downwards and cannot be bent upwards, the end part of each bottom rod is hinged to the lower mounting seat, a frame structure capable of being folded and furled is integrally formed, and the upper end of the frame structure is open to form a placing cavity; the bottom of the lower mounting seat is provided with the idler wheel 2 which is a universal wheel, and the idler wheel 2 is provided with a braking mechanism which can realize the braking locking of the idler wheel.

In the application, an adjusting component 7 is arranged on each upper mounting seat 3 and is positioned on the outer side of the vehicle frame, the adjusting component 7 comprises a first pipe body 73, the first pipe body 73 is horizontally arranged on the upper mounting seat 3, the axis of the first pipe body 73 is parallel to the length direction of the vehicle frame (after being unfolded), meanwhile, a first sleeve 71a is horizontally and slidingly arranged on the first pipe body 73, the end part of the first sleeve 71a is upwards bent by 90 degrees to form a second sleeve 71b, a second pipe body 74 is vertically and slidingly arranged in the second sleeve 71b, the second pipe body is vertical to the horizontal plane, and meanwhile, a clamping mechanism 72 is arranged on the second sleeve 71b, and the clamping mechanism 72 can clamp and fix the second pipe body 74 so as to realize the locking of the second pipe body; in this embodiment, the first pipe 73 is detachably mounted on the upper mounting seat 3, specifically, a jack 30 is provided on the upper mounting seat 3, the jack is horizontally disposed, the axis of the jack is parallel to the length direction of the frame, the first pipe is just capable of being inserted, the first pipe is inserted into the jack, one or more limit protrusions 301 are provided in the jack 30, the limit protrusions 301 are in a bar shape, the length direction of the limit protrusions is parallel to the axis direction of the jack, meanwhile, limit clamping grooves 730 are provided at the end of the first pipe 73, the limit clamping grooves 730 can be clamped in by the limit protrusions 301, so that radial and axial limit is realized, meanwhile, the limit clamping grooves are in interference fit, friction is provided after the insertion, and a fixing effect is achieved, and the first pipe can also be installed in the jack by adopting threads.

The outer wall of the upper end part of the second sleeve 71b is provided with external threads, a first connecting part is formed, strip-shaped grooves are uniformly distributed on the circumference of the side wall of the first connecting part, the length direction of each strip-shaped groove is parallel to the axis of the second sleeve, and each strip-shaped groove penetrates out of the second sleeve 71b upwards to divide the first connecting part into a plurality of clamping parts, the clamping parts can elastically deform, and the outer wall of the upper end of each clamping part is an inclined plane; meanwhile, a lock nut is connected to the clamping part (the first connecting part) in a threaded manner, the lock nut is in a circular ring shape, the middle of the lock nut can allow the second pipe body to pass through, the inner wall of the lock nut is provided with an inclined guide surface which can be attached to an inclined surface on the clamping part, namely, the contact surface of the lock nut and the inclined guide surface is an inclined surface, and when the lock nut is screwed down, the clamping part is elastically deformed inwards through the inclined surface, so that the second pipe body is clamped, and the second pipe body is fixed; the clamping mechanism may also be an eccentric cam clamping lever that enables quick clamping.

When the length is required to be adjusted, the first sleeve is pulled to move outwards horizontally, when the height is required to be adjusted, the clamping mechanism is firstly loosened, the second pipe body is pulled up to a required position, and then the clamping mechanism is tightened to lock the second pipe body; in order to enable the four second pipe bodies to be positioned on the same plane during adjustment and avoid inclination caused by different heights, graduation marks are arranged on the side wall of the second pipe body 74; the adjusting component can prolong the length of the tabletop, increase the height of the tabletop and improve the comfort level of use.

The top at second body 74 is equipped with first installed part 75, this first installation is the open pipe clamp in upper end, be located and install horizontal stay tube 8 between two first installed parts 75 of same one side detachably, form the holding surface between two horizontal stay tubes 8, be used for placing table 9, this table 9 is collapsible (book) structure, portable is equipped with second installed part 91 in the bottom surface of table, this second installed part 91 can be connected with horizontal stay tube 8, and then fix its installation on the car frame, in this embodiment, this second installed part is also the pipe clamp, its installation and dismantlement are convenient, swift.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims

1. An adjustable folding cart, characterized in that: including realizing folding car frame, car frame's bottom is equipped with the gyro wheel, car frame's four angles top is fixed with the mount pad, be equipped with adjusting part on the mount pad, adjusting part includes that the level is installed first body on the mount pad, the axis of first body is parallel to car frame's length direction, the level slip is furnished with first sleeve pipe on the first body, first sheathed tube tip upwards bends and forms the second sleeve pipe, the intraductal perpendicular slip of second sleeve is furnished with the second body, be equipped with on the second sleeve pipe and be used for right the clamping mechanism that the second body carries out clamp fastening, the top of second body is equipped with first installed part, is located two between the first installed part of same one side detachably installs the horizontal stay tube, two form the holding surface that is used for placing the table between the horizontal stay tube.

2. The adjustable folding cart of claim 1, wherein: the adjustment assembly is located outside of the vehicle frame.

3. The adjustable folding cart of claim 1, wherein: the first pipe body is detachably mounted on the upper mounting seat.

4. An adjustable folding cart according to claim 1 or 3, characterized in that: the upper mounting seat is provided with a jack for accommodating the first pipe body to be inserted, the axis of the jack is parallel to the length direction of the vehicle frame, one or more limiting protrusions are arranged in the jack, and the end part of the first pipe body is provided with a limiting clamping groove capable of accommodating the limiting protrusions and realizing radial and axial limiting.

5. The adjustable folding cart of claim 4, wherein: the limiting protrusion and the limiting clamping groove are bar-shaped and parallel to the length direction of the jack.

6. The adjustable folding cart of claim 1, wherein: the side wall of the second pipe body is provided with scale marks.

7. The adjustable folding cart of claim 1, wherein: the end part outer wall of the second sleeve is provided with external threads and forms a first connecting part, the side wall of the first connecting part is circumferentially and uniformly provided with strip-shaped grooves, the strip-shaped grooves upwards penetrate through the second sleeve and divide the first connecting part into a plurality of clamping parts capable of generating elastic deformation, the clamping parts are connected with locking nuts in a threaded manner, the contact surfaces of the locking nuts and the clamping parts are inclined planes, and the clamping parts can generate inward elastic deformation to clamp the second pipe body.

8. The adjustable folding cart of claim 1, wherein: the table board is foldable, and the bottom surface of the table board is provided with a second mounting piece which can be connected with the horizontal supporting tube.

9. The adjustable folding cart of claim 8, wherein: the first and second mounting members are pipe clamps.