CN219172450U

CN219172450U - Flat-plate trolley folding structure convenient to assemble

Info

Publication number: CN219172450U
Application number: CN202320348811.5U
Authority: CN
Inventors: 徐中强; 顾正宁
Original assignee: Qingdao Wolda Machinery Co ltd
Current assignee: Qingdao Wolda Machinery Co ltd
Priority date: 2023-03-01
Filing date: 2023-03-01
Publication date: 2023-06-13
Anticipated expiration: 2033-03-01

Abstract

The utility model relates to the technical field of flat trolleys and discloses a flat trolley hinge structure convenient to assemble, which comprises a bottom plate and a hinge, wherein universal wheels are rotatably arranged at the lower end of the bottom plate, a handle and a fixed plate are fixedly arranged at the upper end of the bottom plate, a groove is formed in the side of the bottom plate, a clamping groove is formed in the upper end of the bottom plate, a lug is fixedly arranged at the lower end of the hinge, sleeves are fixedly arranged at two ends of the lug, and a cavity is formed in the bottom plate. This dull and stereotyped shallow structure of folding paper convenient to equipment, the bottom of dull and stereotyped shallow is seted up flutedly, and the bottom of folding paper sets up the lug, and during the equipment, put into the recess with the lug, the sleeve of lug both sides cup joints in the draw-in groove of recess both sides, hangs the folding paper and plays the positioning action, through removing outside connecting rod, can pass the lug with the inside locating lever of bottom plate, plays the fixed action to the folding paper, compares in traditional structure of folding paper, need not use components such as bolt, easy dismounting is quick more.

Description

Flat-plate trolley folding structure convenient to assemble

Technical Field

The utility model relates to the technical field of flat-plate trolleys, in particular to a folding structure of a flat-plate trolley convenient to assemble.

Background

The flat handcart is a simple transportation tool pulled by manpower, and is widely applied in production and life because the handcart has low cost, simple maintenance, convenient operation and light dead weight, can work at a place inconvenient to use by motor vehicles, is very convenient when carrying lighter articles in a short distance, and is often protected by installing foldouts at edges in order to prevent cargoes from falling.

Most of the hinges of flat-plate trolleys at present are assembled with the trolley plates of the flat-plate trolleys through hinges, and the hinges need to use components such as bolts when being disassembled and assembled, so that the flat-plate trolleys have no quick disassembly structure and are inconvenient to use.

Disclosure of Invention

(one) solving the technical problems

The utility model aims to provide a folding structure of a flat trolley convenient to assemble, which aims to solve the problems that in the background technology, most of folding of the flat trolley is assembled with a flat trolley plate through a hinge, and the hinge needs to use components such as bolts and the like when being disassembled, does not have a quick disassembly structure and is inconvenient to use.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a flat-plate trolley structure of folding paper convenient to equipment, includes the bottom plate and folds paper, the universal wheel is installed in the lower extreme rotation of bottom plate, the upper end fixed mounting of bottom plate has handle and fixed plate, the avris of bottom plate is seted up flutedly, the draw-in groove is seted up to the upper end of bottom plate, the lower extreme fixed mounting of folding paper has the lug, the both ends fixed mounting of lug has the sleeve, the cavity has been seted up to the inside of bottom plate, the inside movable mounting of bottom plate has the movable rod, the outside fixed mounting of movable rod has the connecting rod, the outside fixed mounting of movable rod has locating lever and stopper, the outside of movable rod cup joints and installs the spring.

Preferably, the universal wheels are symmetrically arranged in four, the handles are of an n-shaped structure, and the fixing plates are symmetrically arranged in two.

Through above-mentioned technical scheme, promote the handle, the universal wheel drives the bottom plate and removes.

Preferably, the folding is symmetrically provided with two, the grooves are symmetrically provided with four, the lower ends of the protruding blocks are respectively provided with two, the protruding blocks are located in the grooves, and the protruding blocks are of hollow structures.

Through the technical scheme, the convex blocks at the bottom of the hinge are placed in the grooves.

Preferably, the clamping groove is of a U-shaped structure, one clamping groove is respectively arranged on two sides of the groove, the sleeve is attached to the inner side of the clamping groove, and the hinge is fixedly connected with the inner side of the handle through a bolt.

Through above-mentioned technical scheme, the draw-in groove plays the supporting role to the fold over through the sleeve, and after upwards overturning, use the bolt to fix it together with the handle.

Preferably, the four cavities are symmetrically arranged, two movable rods are symmetrically arranged, and the connecting rods are positioned outside the bottom plate.

Through above-mentioned technical scheme, can drive the movable rod through the movable connecting rod and carry out horizontal migration.

Preferably, the locating lever, the limiting block and the spring are located in the cavity, the locating lever is of an L-shaped structure, the locating lever extends to the inside of the protruding block, the spring is located on one side of the limiting block, close to the connecting rod, and the locating lever is located on one side, away from the connecting rod, of the limiting block.

Through above-mentioned technical scheme, the spring is exerted elasticity to the movable rod through the stopper, and the locating lever moves along with the movable rod, and the movable rod moves to the lug inside when, plays the fixed action to the pair of folding.

Compared with the prior art, the utility model has the beneficial effects that: this dull and stereotyped shallow structure of folding paper convenient to equipment, the bottom of dull and stereotyped shallow is seted up flutedly, and the bottom of folding paper sets up the lug, and during the equipment, put into the recess with the lug, the sleeve of lug both sides cup joints in the draw-in groove of recess both sides, hangs the folding paper and plays the positioning action, through removing outside connecting rod, can pass the lug with the inside locating lever of bottom plate, plays the fixed action to the folding paper, compares in traditional structure of folding paper, need not use components such as bolt, easy dismounting is quick more.

Drawings

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

FIG. 2 is a schematic view of a three-dimensional structure of a base plate according to the present utility model;

FIG. 3 is a perspective view of a hinge of the present utility model;

FIG. 4 is a schematic cross-sectional view of the present utility model;

fig. 5 is an enlarged schematic view of the structure of fig. 4 a according to the present utility model.

Wherein: 1. a bottom plate; 2. a universal wheel; 3. a handle; 4. a fixing plate; 5. a groove; 6. a clamping groove; 7. folding; 8. a bump; 9. a sleeve; 10. a cavity; 11. a movable rod; 12. a connecting rod; 13. a positioning rod; 14. a limiting block; 15. and (3) a spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

as shown in fig. 1-5, the present utility model provides a technical solution: the utility model provides a flat-plate trolley structure of folding paper convenient to equipment, including bottom plate 1 and folding paper 7, universal wheel 2 is installed in the lower extreme rotation of bottom plate 1, the upper end fixed mounting of bottom plate 1 has handle 3 and fixed plate 4, recess 5 is seted up to the avris of bottom plate 1, draw-in groove 6 is seted up to the upper end of bottom plate 1, the lower extreme fixed mounting of folding paper 7 has lug 8, the both ends fixed mounting of lug 8 has sleeve 9, cavity 10 has been seted up to the inside of bottom plate 1, the inside movable mounting of bottom plate 1 has movable rod 11, the outside fixed mounting of movable rod 11 has connecting rod 12, the outside fixed mounting of movable rod 11 has locating lever 13 and stopper 14, the outside of movable rod 11 cup joints and installs spring 15.

Specifically, the universal wheel 2 is symmetrically provided with four handles 3 with an n-shaped structure, and the fixing plates 4 are symmetrically provided with two handles. The advantage is that promote handle 3, universal wheel 2 drive bottom plate 1 and remove.

Specifically, the two hinges 7 are symmetrically arranged, the four grooves 5 are symmetrically arranged, the two protrusions 8 are respectively arranged at the lower ends of the hinges 7, the protrusions 8 are located in the grooves 5, and the protrusions 8 are of hollow structures. Advantageously, the projections 8 at the bottom of the hinge 7 are placed in the recess 5.

Specifically, draw-in groove 6 is "U" type structure, and draw-in groove 6 is provided with one respectively in the both sides of recess 5, and sleeve 9 is laminated with the inboard of draw-in groove 6, and folding paper 7 passes through the inboard fixed connection of bolt and handle 3. The advantage is that draw-in groove 6 plays the supporting role to fold paper 7 through sleeve 9, and after folding paper 7 upwards overturns, uses the bolt to fix it together with handle 3.

Embodiment two:

as shown in fig. 1-5, as an improvement over the previous embodiment. Specifically, the four cavities 10 are symmetrically arranged, the two movable rods 11 are symmetrically arranged, and the connecting rod 12 is positioned outside the bottom plate 1. The advantage is that the movable rod 11 can be driven to horizontally move by moving the connecting rod 12.

Specifically, the positioning rod 13, the limiting block 14 and the spring 15 are located in the cavity 10, the positioning rod 13 is of an L-shaped structure, the positioning rod 13 extends to the inside of the protruding block 8, the spring 15 is located on one side of the limiting block 14, which is close to the connecting rod 12, and the positioning rod 13 is located on one side of the limiting block 14, which is far away from the connecting rod 12. The spring 15 applies elasticity to the movable rod 11 through the limiting block 14, the positioning rod 13 moves along with the movable rod 11, and the folding 7 is fixed when the movable rod 11 moves into the protruding block 8.

When the folding device is used, the connecting rod 12 is pulled outwards to drive the movable rod 11 to horizontally move, the positioning rod 13 moves into the cavity 10 along with the movable rod 11, the spring 15 is compressed at the moment, then the convex block 8 at the bottom of the folding 7 is placed into the groove 5, the sleeve 9 is attached to the inner side of the clamping groove 6, finally the connecting rod 12 is loosened, the spring 15 exerts elastic force on the movable rod 11 through the limiting block 14 to reset the movable rod 11, the positioning rod 13 passes through the sleeve 9 to move into the convex block 8, the folding 7 and the bottom plate 1 are combined together, the folding 7 can be overturned in the clamping groove 6 through the sleeve 9, and after the folding 7 is overturned upwards to a vertical position, the folding 7 is fixed with the handle 3 through the bolt.

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

Claims

1. The utility model provides a flat shallow fold structure convenient to equipment, includes bottom plate (1) and folds paper (7), its characterized in that: the utility model discloses a universal wheel, including bottom plate (1), handle (3) and fixed plate (4) are installed in the lower extreme rotation of bottom plate (1), recess (5) are seted up to the upper end of bottom plate (1), draw-in groove (6) are seted up to the upper end of bottom plate (1), the lower extreme fixed mounting of folding paper (7) has lug (8), sleeve (9) are installed at the both ends fixed mounting of lug (8), cavity (10) have been seted up to the inside of bottom plate (1), movable rod (11) are installed to the inside movable mounting of bottom plate (1), and connecting rod (12) are installed in the outside fixed mounting of movable rod (11), locating lever (13) and stopper (14) are installed in the outside fixed mounting of movable rod (11), spring (15) are cup jointed in the outside of movable rod (11).

2. The flat cart hinge structure for easy assembly according to claim 1, wherein: four universal wheels (2) are symmetrically arranged, the handles (3) are of an n-shaped structure, and two fixing plates (4) are symmetrically arranged.

3. The flat cart hinge structure for easy assembly according to claim 1, wherein: the two folding plates (7) are symmetrically arranged, the four grooves (5) are symmetrically arranged, the two protruding blocks (8) are respectively arranged at the lower ends of the folding plates (7), the protruding blocks (8) are located in the grooves (5), and the protruding blocks (8) are of hollow structures.

4. The flat cart hinge structure for easy assembly according to claim 1, wherein: the clamping groove (6) is of a U-shaped structure, one clamping groove (6) is respectively arranged on two sides of the groove (5), the sleeve (9) is attached to the inner side of the clamping groove (6), and the hinge (7) is fixedly connected with the inner side of the handle (3) through a bolt.

5. The flat cart hinge structure for easy assembly according to claim 1, wherein: four cavities (10) are symmetrically arranged, two movable rods (11) are symmetrically arranged, and connecting rods (12) are positioned outside the bottom plate (1).

6. The flat cart hinge structure for easy assembly according to claim 1, wherein: the locating rod (13), the limiting block (14) and the spring (15) are located in the cavity (10), the locating rod (13) is of an L-shaped structure, the locating rod (13) extends to the inside of the protruding block (8), the spring (15) is located on one side of the limiting block (14) and close to the connecting rod (12), and the locating rod (13) is located on one side of the limiting block (14) away from the connecting rod (12).