CN115339493A

CN115339493A - Folding mechanism of handcart

Info

Publication number: CN115339493A
Application number: CN202211134517.0A
Authority: CN
Inventors: 芦连明; 芦殊玉; 李良昱; 刘建红
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2022-11-15

Abstract

The invention relates to the technical field of trolleys and discloses a folding mechanism of a trolley, which comprises a trolley main body, a storage mechanism, a contraction mechanism and a damping mechanism, wherein the storage mechanism is positioned on the left side of the trolley main body, the contraction mechanism is positioned on the top end of the trolley main body, the damping mechanism is positioned on the bottom end of the trolley main body, the storage mechanism comprises a connecting block, a clamping ring, a clamping rod, a torsion spring, a limiting handle, a hinge and a folding plate, and the folding plate is arranged on the left side of the trolley main body. This folding mechanism of handcart has installed receiving mechanism, stimulates spacing handle, takes out the snap ring, and the bottom separation of folded sheet and handcart main part this moment is folded the folded sheet, and the folded sheet upset is followed to hinge one side and is folded, and the occupation space of handcart main part reduces, and the handcart main part of being convenient for is accomodate, and torsion spring is convenient for the activity of spacing handle and drives spacing handle and return the normal position, makes spacing handle carry on spacingly to the snap ring.

Description

Folding mechanism of handcart

Technical Field

The invention relates to the technical field of trolleys, in particular to a folding mechanism of a trolley.

Background

The handcart is a goods that is used for transporting great manpower and is difficult for carrying, and is more light when making the transport goods, improves the efficiency of transport, but partial handcart is not convenient for fold, when needs accomodate less space with the handcart, handcart occupation space is great, is difficult for folding to accomodate the handcart, is not convenient for carry the handcart.

Disclosure of Invention

Technical problem to be solved

The invention aims to provide a folding mechanism of a trolley, which aims to solve the problems that when the trolley needs to be stored in a small space, the trolley occupies a large space, and the trolley is not easy to fold and store in the background technology.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a folding mechanism of handcart, includes handcart main part, receiving mechanism, shrink mechanism and damper, receiving mechanism is located the left side of handcart main part, shrink mechanism is located the top of handcart main part, damper is located the bottom of handcart main part, receiving mechanism includes connecting block, snap ring, kelly, torsion spring, spacing handle, hinge and folded sheet, the folded sheet is installed in the left side of handcart main part, folded sheet and handcart main part swing joint.

Preferably, connecting block fixed mounting is in the bottom of handcart main part, the snap ring is installed in the outer end of connecting block, snap ring and connecting block swing joint through the fixed snap ring of connecting block, are convenient for follow-up joint.

Preferably, kelly fixed mounting is in the bottom of folded sheet, torsion spring fixed mounting is in the inner of kelly, spacing handle fixed mounting is in torsion spring's outer end and is located the inside of snap ring, and through kelly fixed torsion spring, torsion spring is convenient for the activity of spacing handle and drives spacing handle and return the normal position, makes spacing handle carry on spacingly to the snap ring.

Preferably, spacing handle and snap ring looks adaptation, hinge fixed mounting be convenient for inject the position of folded sheet on the top of folded sheet and with handcart main part fixed connection through the hinge, avoid the folded sheet to drop, the folded sheet of being convenient for is folded, stimulates spacing handle, takes out the snap ring, and the folded sheet separates with the bottom of handcart main part this moment, folds the folded sheet, and the folded sheet upset is followed to hinge one side is folding, and the occupation space of handcart main part reduces, and the handcart main part of being convenient for is accomodate.

Preferably, the retraction mechanism comprises a support, a locking cross shaft, an expansion rod and a clamping button, the support is fixedly mounted at the top end of the trolley main body, the locking cross shaft is mounted at the inner end of the support and penetrates through the support, the locking cross shaft is movably connected with the support, and the position of the locking cross shaft is limited by the support.

Preferably, telescopic link fixed mounting is in the outer end of locking cross axle, chucking button fixed mounting is in the front end of telescopic link, the position of the fixed telescopic link of locking cross axle, the telescopic link stretches out and draws back through the chucking button, be convenient for reduce the length of telescopic link, hold the chucking button, shorten the telescopic link, step on the locking cross axle, rotate the telescopic link, the telescopic link overturns to the top of handcart main part, laminates telescopic link and handcart main part, thereby fold the handcart main part, reduce occupation space, be convenient for accomodate the handcart main part into in the little space.

Compared with the prior art, the invention has the beneficial effects that:

1. the folding mechanism of the trolley is provided with the storage mechanism, the limit handle is pulled, the clamping ring is taken out, the folding plate is separated from the bottom of the trolley main body at the moment, the folding plate is folded, one side of the hinge is overturned and folded along with the folding plate, the occupied space of the trolley main body is reduced, the trolley main body is convenient to store, the torsion spring is convenient for the movement of the limit handle and drives the limit handle to return to the original position, and the limit handle is enabled to limit the clamping ring;

2. according to the folding mechanism of the trolley, the contraction mechanism is installed, the clamping button is pressed, the telescopic rod is shortened, the locking transverse shaft is stepped down, the telescopic rod is rotated, the telescopic rod is turned to the top end of the trolley main body, and the telescopic rod is attached to the trolley main body, so that the trolley main body is folded, the occupied space is reduced, and the trolley main body can be conveniently accommodated into a small space;

3. this folding mechanism of handcart has installed damper, carries out the shock attenuation through the bumper shock absorber to handcart main part and folded sheet, and the universal wheel is convenient for handcart main part and folded sheet and removes, when the in-process that removes, when meetting the district that jolts, the bumper shock absorber carries out the shock attenuation, avoids the handcart main part to receive vibrations and influence the goods that handcart main part transported.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 2 at C according to the present invention.

In the figure: 1. a cart main body; 2. a storage mechanism; 201. connecting blocks; 202. a snap ring; 203. a clamping rod; 204. a torsion spring; 205. a limiting handle; 206. a hinge; 207. folding the board; 3. a retracting mechanism; 301. a support; 302. locking the cross shaft; 303. a telescopic rod; 304. a clamping button; 4. a damping mechanism; 401. a shock absorber; 402. a universal wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a folding mechanism of a trolley comprises a trolley main body 1, a containing mechanism 2, a contraction mechanism 3 and a damping mechanism 4, wherein the containing mechanism 2 is positioned on the left side of the trolley main body 1, the contraction mechanism 3 is positioned on the top end of the trolley main body 1, the damping mechanism 4 is positioned on the bottom end of the trolley main body 1, the containing mechanism 2 comprises a connecting block 201, a clamping ring 202, a clamping rod 203, a torsion spring 204, a limiting handle 205, a hinge 206 and a folding plate 207, the folding plate 207 is installed on the left side of the trolley main body 1, and the folding plate 207 is movably connected with the trolley main body 1;

the connecting block 201 is fixedly installed at the bottom end of the trolley main body 1, the snap ring 202 is installed at the outer end of the connecting block 201, the snap ring 202 is movably connected with the connecting block 201, the snap ring 202 is fixed through the connecting block 201 and is convenient for subsequent clamping, the clamping rod 203 is fixedly installed at the bottom end of the folding plate 207, the torsion spring 204 is fixedly installed at the inner end of the clamping rod 203, the limiting handle 205 is fixedly installed at the outer end of the torsion spring 204 and is located inside the snap ring 202, the torsion spring 204 is fixed through the clamping rod 203, the torsion spring 204 is convenient for the movement of the limiting handle 205 and drives the limiting handle 205 to return to the original position, so that the limiting handle 205 limits the snap ring 202, the limiting handle 205 is matched with the snap ring 202, the hinge 206 is fixedly installed at the top end of the folding plate 207 and is fixedly connected with the trolley main body 1, the position of the folding plate 207 is convenient to limit through the hinge 206, the folding plate 207 is convenient to fold, the limiting handle 205 is pulled, the snap ring 202 is taken out, at the moment, the folding plate 207 is separated from the bottom of the trolley main body 1, the folding plate 207 is folded, one side of the hinge 206 is folded, the folding plate 207, the trolley main body 1 is folded, the space occupied by turning and is reduced, and the trolley main body 1 is convenient to be stored;

the retracting mechanism 3 comprises a support 301, a locking cross shaft 302, an expansion link 303 and a clamping button 304, wherein the support 301 is fixedly arranged at the top end of the trolley main body 1, the locking cross shaft 302 is arranged at the inner end of the support 301, the locking cross shaft 302 penetrates through the support 301, the locking cross shaft 302 is movably connected with the support 301, the position of the locking cross shaft 302 is limited by the support 301, the expansion link 303 is fixedly arranged at the outer end of the locking cross shaft 302, the clamping button 304 is fixedly arranged at the front end of the expansion link 303, the locking cross shaft 302 fixes the position of the expansion link 303, the expansion link 303 is expanded and contracted through the clamping button 304, the length of the expansion link 303 is conveniently reduced, the clamping button 304 is pressed, the expansion link 303 is shortened, the locking cross shaft 302 is stepped down, the expansion link 303 is rotated, and the expansion link 303 is turned towards the top end of the trolley main body 1, laminate telescopic link 303 with handcart main part 1, thereby it is folding with handcart main part 1, reduce occupation space, be convenient for accomodate handcart main part 1 into the little space, damper 4 includes bumper shock absorber 401 and universal wheel 402, bumper shock absorber 401 fixed mounting is in the bottom of handcart main part 1 and folded sheet 207, bumper shock absorber 401 is the symmetric distribution, universal wheel 402 fixed mounting is in the bottom of bumper shock absorber 401, carry out the shock attenuation through bumper shock absorber 401 to handcart main part 1 and folded sheet 207, universal wheel 402 is convenient for handcart main part 1 and folded sheet 207 to remove, when the in-process that removes, when meetting the district of jolting, bumper shock absorber 401 carries out the shock attenuation, avoid handcart main part 1 to receive vibrations and influence the goods that handcart main part 1 transported.

The working principle is as follows: firstly, press the chucking button 304, shorten the telescopic link 303, step on the locking cross axle 302, rotate the telescopic link 303, the telescopic link 303 is turned over to the top of the handcart main body 1, laminate the telescopic link 303 with the handcart main body 1, thereby folding the handcart main body 1, then, pull the limit handle 205, take out the snap ring 202, folding board 207 is separated with the bottom of the handcart main body 1 at this moment, fold folding board 207, hinge 206 one side is followed folding board 207 and is turned over and folded, the occupation space of handcart main body 1 is reduced, be convenient for handcart main body 1 to accomodate, accomodate handcart main body 1 into the small space, when using handcart main body 1 to transport goods, bumper 401 damps handcart main body 1 and folding board 207, universal wheel 402 is convenient for handcart main body 1 and folding board 207 to move, when in the in-process of moving, when meeting the section of jolting, bumper 401 damps, avoid handcart main body 1 to receive vibrations and influence the goods that handcart main body 1 transported.

Finally, it should be noted that the above-mentioned contents are only used for illustrating the technical solutions of the present invention, and do not limit the protection scope of the present invention, and those skilled in the art can make simple modifications or equivalent substitutions on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a folding mechanism of handcart, includes handcart main part (1), receiving mechanism (2), shrink mechanism (3) and damper (4), its characterized in that: receiving mechanism (2) are located the left side of handcart main part (1), shrink mechanism (3) are located the top of handcart main part (1), damper (4) are located the bottom of handcart main part (1), receiving mechanism (2) are including connecting block (201), snap ring (202), kelly (203), torsion spring (204), spacing handle (205), hinge (206) and folded sheet (207), the left side in handcart main part (1) is installed in folded sheet (207), folded sheet (207) and handcart main part (1) swing joint.

2. A folding mechanism for a cart according to claim 1, wherein: connecting block (201) fixed mounting is in the bottom of handcart main part (1), snap ring (202) are installed in the outer end of connecting block (201), snap ring (202) and connecting block (201) swing joint.

3. A folding mechanism for a cart according to claim 2, wherein: the clamping rod (203) is fixedly installed at the bottom end of the folding plate (207), the torsion spring (204) is fixedly installed at the inner end of the clamping rod (203), and the limiting handle (205) is fixedly installed at the outer end of the torsion spring (204) and located inside the clamping ring (202).

4. A folding mechanism for a cart according to claim 3, wherein: spacing handle (205) and snap ring (202) looks adaptation, hinge (206) fixed mounting just with handcart main part (1) fixed connection in the top of folded sheet (207).

5. A folding mechanism for a trolley according to claim 4, wherein: the telescopic mechanism (3) comprises a support (301), a locking transverse shaft (302), a telescopic rod (303) and a clamping button (304), wherein the support (301) is fixedly installed at the top end of the trolley main body (1), the locking transverse shaft (302) is installed at the inner end of the support (301), the locking transverse shaft (302) penetrates through the support (301), and the locking transverse shaft (302) is movably connected with the support (301).

6. A folding mechanism for a cart according to claim 5, wherein: the telescopic rod (303) is fixedly arranged at the outer end of the locking transverse shaft (302), and the clamping button (304) is fixedly arranged at the front end of the telescopic rod (303).

7. A folding mechanism for a trolley according to claim 6, further comprising: damper (4) include bumper shock absorber (401) and universal wheel (402), bumper shock absorber (401) fixed mounting is in the bottom of handcart main part (1) and folded sheet (207), bumper shock absorber (401) are the symmetric distribution, universal wheel (402) fixed mounting is in the bottom of bumper shock absorber (401).