CN212220262U

CN212220262U - Fixed wheel structure of handcart

Info

Publication number: CN212220262U
Application number: CN201922219397.4U
Authority: CN
Inventors: 顾兴锋; 葛银贵
Original assignee: Xingfeng Caster Jiangsu Co ltd
Current assignee: Xingfeng Caster Jiangsu Co ltd
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2020-12-25
Anticipated expiration: 2029-12-11

Abstract

The utility model provides a fixed wheel structure of a handcart, which is firstly provided with a handcart body, which comprises a bearing plate, directional trundles, universal trundles and handrails, wherein the directional trundles and the universal trundles are respectively arranged at the two opposite ends of the bearing plate in the length direction, and directional truckle and casters all are located the lower surface of bearing plate, the handrail is installed in the upper surface of bearing plate, every directional truckle is provided with four first mounting holes, every casters is provided with four second mounting holes, the size of second mounting hole equals the size of first mounting hole, directional truckle includes mount pad and gyro wheel, the mount pad includes a bottom plate and two blocks of curb plates, the bottom plate passes through screw fixed mounting in the lower surface of bearing plate, two blocks of curb plates set up respectively in the relative both ends of bottom plate and gyro wheel rotation connect between two blocks of curb plates, the portion of bending of bisymmetry has been seted up on the curb plate. The utility model discloses compare in prior art and improved the installation intensity of directional truckle, reduced the probability that deformation appears in the use in directional truckle.

Description

Fixed wheel structure of handcart

Technical Field

The utility model relates to a handcart particularly, relates to a tight pulley structure of handcart.

Background

The cart is a transport vehicle that is manually pushed and pulled, and although the cart material transport technology is continuously developed, the cart is still used as an indispensable transport tool. The bottom of handcart generally all installs directional truckle and universal caster simultaneously, because directional truckle can receive great torsion because directional restriction in the steering process, and this torsion is mainly born by the screw, and long-term operation can lead to the not hard up or even the mount pad of directional truckle of screw to warp, and then influences the use of handcart.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a fixed wheel structure of handcart compares in prior art and has improved the installation intensity of directional truckle, has reduced the probability that deformation appears in the use in directional truckle.

To this end, the utility model provides a fixed wheel structure of a handcart, which comprises a handcart body, a bearing plate, directional casters, universal casters and handrails, wherein the directional casters and the universal casters are respectively arranged at the two opposite ends of the length direction of the bearing plate, the directional casters and the universal casters are both arranged at the lower surface of the bearing plate, the handrails are arranged at the upper surface of the bearing plate, the positions of the handrails correspond to the positions of the universal casters, each directional caster is provided with four first mounting holes, each universal caster is provided with four second mounting holes, the size of each second mounting hole is equal to that of the corresponding first mounting hole, the directional caster comprises a mounting seat and a roller, the mounting seat comprises a bottom plate and two side plates, the bottom plate is fixedly arranged at the lower surface of the bearing plate through screws, the two side plates are respectively arranged at the two opposite ends of the bottom plate, and the roller is rotatably, two symmetrical bending parts are arranged on the side plates.

Further, the bending part bends towards the space between the two side plates.

Further, the bending part is arc-shaped.

Furthermore, a torsion balance mechanism is installed on the bottom plate, and two opposite ends of the torsion balance mechanism are respectively abutted against the two adjacent screws.

Furthermore, the torsion balance mechanism comprises a clamping block, an elastic assembly and a butting block, the bottom of the clamping block is fixedly installed on the bearing plate, the side end face of the clamping block is clamped on the bottom plate, the two opposite ends of the clamping block are respectively connected with the butting block, the elastic assembly is arranged between the butting block and the clamping block, and the butting block is butted on the screw.

Further, fixed mounting has the connecting block on the butt joint piece, and two at least elastic component connect between connecting block and fixture block.

Furthermore, the elastic assembly comprises two sleeves and a spring, the two sleeves are fixedly installed on the connecting block and the clamping block respectively, and two opposite ends of the spring are fixedly installed in the two sleeves respectively.

Furthermore, the abutting block is of a C-shaped structure.

The utility model provides a fixed wheel structure of handcart, mainly include handcart body and torsion balance mechanism, the handcart body includes bearing plate, directional truckle, universal caster and handrail, directional truckle includes mount pad and gyro wheel, the mount pad includes a bottom plate and two curb plates, the bottom plate passes through the lower surface of screw fixed mounting in bearing plate, two curb plates set up respectively in the relative both ends of bottom plate and the gyro wheel rotates and connects between two curb plates, set up the bending portion of bisymmetry on the curb plate, the effect of bending portion lies in improving the structural strength of mount pad itself, avoid the deformation condition to appear, torsion balance mechanism is used for reducing the influence of torsion to the screw, promptly solve the not hard up deformation problem of mount pad from the erection joint structure of mount pad, specifically, torsion balance mechanism includes fixture block, elastic component and butt joint piece, the bottom fixed mounting of fixture block is on the bearing plate, and the side end face of the clamping block is clamped on the bottom plate, so that the connection strength of the bottom plate and the bearing plate is improved, the two opposite ends of the clamping block are respectively connected with a butting block, an elastic assembly is arranged between the butting block and the clamping block, the butting block is butted on the screw, and under the elastic action of the elastic assembly, the butting block can weaken the torque force of the screw, which is brought by the turning of the trolley, so that the fastening service life of the screw is prolonged.

Therefore, the utility model discloses compare in prior art and improved the installation intensity of directional truckle, reduced the probability that deformation appears in the use in directional truckle.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a schematic structural view of a fixed wheel structure of a cart provided in an embodiment of the present invention, in which a torsion balance mechanism is not installed;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic structural view of a directional caster wheel with a torsion balance mechanism installed in a fixed wheel structure of a cart according to an embodiment of the present invention.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

The first embodiment is as follows:

referring to fig. 1 to 3, the present embodiment provides a fixed wheel structure of a cart, first, a cart body 1 is provided, which includes a bearing plate 11, directional casters 12, casters 13, and a handrail 14, the directional casters 12 and the casters 13 are respectively installed at two opposite ends of the bearing plate 11 in a length direction, the directional casters 12 and the casters 13 are both located at a lower surface of the bearing plate 11, the handrail 14 is installed at an upper surface of the bearing plate 11, a position of the handrail 14 corresponds to a position of the casters 13, each directional caster 12 is provided with four first mounting holes, each caster 13 is provided with four second mounting holes, a size of the second mounting hole is equal to a size (aperture and depth) of the first mounting hole, the directional caster 12 includes a mounting base 2 and a roller 121, the mounting base 2 includes a bottom plate 21 and two side plates 22, the bottom plate 21 is fixedly installed at the lower surface of the bearing plate 11 by a screw 3, the two side plates 22 are respectively arranged at two opposite ends of the bottom plate 21, the roller 121 is rotatably connected between the two side plates 22, and the side plates 22 are provided with two symmetrical bending parts 221.

With continued reference to fig. 1 to 3, the bending portion 221 is bent toward between the two side plates 22, the bending portion 221 is arc-shaped, the bottom plate 21 is provided with the torsion balance mechanism 4, opposite ends of the torsion balance mechanism 4 are respectively abutted to the two adjacent screws 3, the torsion balance mechanism 4 includes a fixture block 41, an elastic component 42 and an abutting block 43, the bottom of the fixture block 41 is fixedly installed on the bearing plate 11, a side end surface of the fixture block 41 is engaged with the bottom plate 21, opposite ends of the fixture block 41 are respectively connected with an abutting block 43, the elastic component 42 is arranged between the abutting block 43 and the fixture block 41, the abutting block 43 is abutted to the screws 3, the abutting block 43 is fixedly installed with a connecting block 431, at least two elastic components 42 are connected between the connecting block 431 and the fixture block 41, the elastic component 42 includes two sleeves 421 and a spring 422, the two sleeves 421 are respectively fixedly installed on the connecting block 431 and the fixture block 41, the opposite ends of the spring 422 are respectively and fixedly installed in the two sleeves 421, and the abutting block 43 is in a C-shaped structure.

Example two:

referring to fig. 1 to fig. 3, a fixed wheel structure of a cart according to a second embodiment of the present invention is shown, and on the basis of the above embodiments, the present embodiment further provides the following technical solutions as improvements: in the first embodiment, only one torsion balance mechanism 4 is installed on the directional caster 12, however, the directional caster 12 has four screws, and the torsion balance mechanism 4 is also installed at the other two screws, so that the fastening life of the four screws is prolonged.

Example three:

referring to fig. 1 to fig. 3, a fixed wheel structure of a cart according to a third embodiment of the present invention is shown, and on the basis of the above embodiments, the present embodiment further provides the following technical solutions as improvements: torsion balance mechanism 4 includes fixture block 41, elastic component 42 and butt piece 43, the bottom fixed mounting of fixture block 41 is on bearing plate 11, and the side end joint of fixture block 41 is on bottom plate 21, the relative both ends of fixture block 41 respectively are connected with a butt piece 43 and are provided with elastic component 42 between butt piece 43 and the fixture block 41, butt piece 43 butt on screw 3, the anti-skidding corrugated surface has been seted up on the butt surface of butt piece 43, can add the anti-skidding sheet rubber simultaneously and play supplementary anti-skidding effect, effectively avoid the condition appearance that butt piece 43 breaks away from screw 3.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a fixed wheel structure of handcart, its sets up on handcart body (1), handcart body (1) includes bearing plate (11), directional truckle (12), universal caster (13) and handrail (14), directional truckle (12) with universal caster (13) install respectively in the relative both ends of the length direction of bearing plate (11), just directional truckle (12) with universal caster (13) all are located the lower surface of bearing plate (11), handrail (14) install in the upper surface of bearing plate (11) just the position of handrail (14) corresponds the position of universal caster (13), its characterized in that: every directional truckle (12) are provided with four first mounting holes, every universal truckle (13) are provided with four second mounting holes, the size of second mounting hole equals the size of first mounting hole, directional truckle (12) are including mount pad (2) and gyro wheel (121), mount pad (2) are including a bottom plate (21) and two curb plates (22), bottom plate (21) through screw (3) fixed mounting in the lower surface of bearing plate (11), two curb plates (22) set up respectively in the relative both ends of bottom plate (21) just gyro wheel (121) rotate connect in between two curb plates (22), set up the portion of bending (221) of bisymmetry on curb plate (22).

2. A fixed wheel arrangement for a trolley according to claim 1, characterized in that the bend (221) is bent towards between the two side plates (22).

3. A fixed wheel arrangement for a trolley according to claim 2, characterized in that the bend (221) is arc-shaped.

4. A fixed wheel structure of a handcart according to any one of claims 1-3, wherein said bottom plate (21) is provided with a torsion balance mechanism (4), and opposite ends of said torsion balance mechanism (4) are respectively abutted against two adjacent screws (3).

5. The fixed wheel structure of a handcart according to claim 4, wherein said torsion balance mechanism (4) comprises a block (41), an elastic member (42) and a block (43), the bottom of said block (41) is fixedly mounted on said bearing plate (11), the side end surface of said block (41) is clamped on said bottom plate (21), two opposite ends of said block (41) are respectively connected with one block (43), said elastic member (42) is disposed between said block (41) and said block (43), and said block (43) is abutted against said screw (3).

6. A fixed wheel structure of a handcart according to claim 5, wherein said abutting block (43) is fixedly installed with a connecting block (431), and at least two elastic assemblies (42) are connected between said connecting block (431) and said clamping block (41).

7. A fixed wheel structure of a handcart according to claim 6, characterized in that, said elastic assembly (42) comprises two sleeves (421) and a spring (422), said two sleeves (421) are respectively fixedly mounted on said connecting block (431) and said fixture block (41), and opposite ends of said spring (422) are respectively fixedly mounted in said two sleeves (421).

8. A fixed wheel arrangement for a trolley according to claim 7, characterized in that the abutment block (43) is of C-shaped configuration.