CN210101198U

CN210101198U - Caster wheel connecting structure

Info

Publication number: CN210101198U
Application number: CN201920950253.3U
Authority: CN
Inventors: 周坚
Original assignee: SHANGHAI XINPENG METAL PRODUCTS CO Ltd
Current assignee: SHANGHAI XINPENG METAL PRODUCTS CO Ltd
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-02-21
Anticipated expiration: 2029-06-21

Abstract

The utility model provides a caster connecting structure, which comprises a connecting piece, wherein the upper end of the connecting piece extends into a first hole arranged on a first base and is clamped with the first hole; the lower end of the connecting piece extends into a second hole formed in the caster connecting seat and is clamped with the second hole. Truckle connecting piece structure is under the prerequisite that does not use instrument, screw, nut etc. through the upper end and the lower extreme of connecting piece respectively with first base and truckle connecting seat joint, quick install the truckle on network communication rack base, reduced the time of installation to manufacturing cost has been reduced, production efficiency has been improved.

Description

Caster wheel connecting structure

Technical Field

The utility model relates to a network communication rack field, concretely relates to truckle connection structure.

Background

To facilitate the movement of the cabinet base for network communication, casters are generally required to be mounted on the cabinet base. The caster comprises: truckle connecting seat, support frame, gyro wheel and pivot. The roller is connected with the supporting frame through a bearing to realize the rolling of the roller. The support frame is connected with the trundle connecting seat through the rotating shaft, and the support frame rotates in the horizontal plane, so that the idler wheels are driven to rotate, and the trundles are moved. The traditional caster mounting method is that a caster connecting seat is fixed on a base of a network communication cabinet by nuts, and tools are required to be used in the mounting process. The installer is easy to operate and fatigue after long-time installation, the installation process is time-consuming and labor-consuming, and the installation efficiency is low.

The utility model discloses a utility model patent that bulletin number is CN201814750U specifically discloses a medical sick bed truckle mounting structure, the foot rest including the metal pipe body, the fixed cover of truckle installation plastics has been cup jointed to the bottom of foot rest, and the fixed cover middle part of this truckle installation plastics is opened there is the through-hole, lies in the fixed cover side of truckle installation plastics and opens have with the communicating side opening of through-hole, has the truckle to insert the through-hole through the connecting axle on it and is connected with the foot rest, the side is opened with the corresponding position of side opening on the foot rest has the bolt hole, has fixing bolt to penetrate bolt hole, side opening to fasten truckle.

Although the above patent can connect the bed leg frame and the caster through the plastic fixing sleeve, the caster and the bed leg frame are fastened by inserting the bolt into the bolt hole and the side hole by using a tool in the connection process. The installation process wastes time and labor, and the installation efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome prior art not enough, provide a truckle connection structure, under the prerequisite that does not use tools, screw, nut etc., through the lower extreme and the truckle connecting seat joint of connecting piece, quick install the truckle on network communication rack base.

In order to achieve the above purpose, the utility model discloses a technical scheme who takes is:

a caster connecting structure comprises a connecting piece, wherein the upper end of the connecting piece extends into a first hole formed in a first base and is clamped with the first hole; the lower end of the connecting piece extends into a second hole formed in the caster connecting seat and is clamped with the second hole.

Further, the upper end is formed with the spread groove with first hole cooperation and joint.

Furthermore, the lower end is provided with an elastic piece, and the elastic piece extends into the second hole to be matched with the caster connecting seat, so that the connecting piece is connected with the caster connecting seat.

Furthermore, the elastic piece is a folding plate and comprises a fixed part and an elastic part which are connected with each other; the fixing portion is fixed to a side surface of the lower end, and the elastic portion is offset from the side surface.

Furthermore, after the elastic piece extends into the second hole, the free end of the elastic part is abutted against the caster connecting seat.

Further, the connecting piece is arranged coaxially with the first hole and the second hole.

Furthermore, every time the base is connected with a caster, the first base is provided with four first holes, the caster connecting seat is provided with four second holes, and the first holes are connected with the second holes through four connecting pieces.

Furthermore, the thickness of the folded plate is 0.2-0.4 mm.

Compared with the prior art, the technical scheme of the utility model have following advantage:

(1) the utility model discloses a truckle connection structure, under the prerequisite of not using tool, screw, nut etc. upper end and lower extreme through the connecting piece respectively with first base and truckle connecting seat joint, quick install the truckle on network communication rack base, reduced the time of installation to manufacturing cost has been reduced, production efficiency has been improved.

(2) The caster connecting structure of the utility model uses the free end of the elastic element to be pressed against the caster connecting seat to replace a screw nut to fix the caster connecting seat and the first base, and the installation is simple and convenient; meanwhile, the elastic piece has elasticity, so that the caster wheel and the first base can be tightly and stably connected within the elastic range.

Drawings

The technical solution and the advantages of the present invention will be made apparent from the following detailed description of the embodiments of the present invention with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of a connecting member according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of the elastic member of an embodiment of the present invention, taken along a direction perpendicular to the side surface;

fig. 3 is a schematic view showing the positional relationship between the components in the connection state according to an embodiment of the present invention;

fig. 4 is an exploded view of the first base and the connecting member according to an embodiment of the present invention;

fig. 5 is an exploded view of the caster connecting seat and the connecting member according to an embodiment of the present invention.

The parts in the figure are numbered as follows:

1-a first base, 101-a first hole, 2-a caster connecting seat, 201-a second hole, 3-a connecting piece, 301-a side surface, 302-a connecting groove, 303-an elastic piece, 3031-a fixing part, 3032-an elastic part, 3033-a free end, 304-an upper end and 305-a lower end.

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 those skilled in the art without creative efforts belong to the protection scope of the present invention.

In this embodiment, a caster attachment is provided. As shown in FIG. 1, the caster wheel connecting structure comprises a connecting member 3, wherein the connecting member 3 has an upper end 304 and a lower end 305. The upper end 304 and the lower end 305 may be coaxially disposed or may be not coaxially disposed. Preferably, the upper end 304 and a lower end 305 are coaxially disposed, the upper end 304 being formed with the coupling slot 302. The lower end 305 is fixedly provided with at least one elastic element 303. The elastic member 303 is fixed to the side surface 301. As shown in fig. 2, the elastic member 303 includes a fixed portion 3031, an elastic portion 3032, and a free end 3033. The fixed portion 3031 is fixed to the side surface 301 of the lower end 305, and the elastic portion 3032 is away from the side surface 301.

As shown in fig. 3, the caster connecting structure connects the first base 1 with the caster connecting seat 2 through the connecting piece 3, the first base 1 is a bottom plate of a network communication cabinet or other devices needing to be provided with casters, and the casters are connected to the caster connecting seat 2 through the supporting frame, so that the network communication cabinet and other devices can be installed on the casters. As shown in fig. 4, at least one first hole 101 is formed on the first base 1, the first hole 101 may be in a shape of a circle, a rectangle, a square, a trapezoid, etc., and the square is preferred in this embodiment. The upper end 304 of the connecting element 3 is formed with a connecting groove 302, the upper end 304 extends into the first hole 101 formed on the first base 1, the hole wall of the first hole 101 is accommodated in the connecting groove 302 and is clamped with the connecting groove 302, and the connecting element 3 is clamped with the first hole 101. The cross section of the connecting groove 302 may be square, sector, semicircle, triangle, trapezoid, etc., preferably, the cross section of the upper end 304 is the same as the first hole 101, and the cross section of the upper end 304 is slightly larger than the first hole 101, so that the upper end 304 is prevented from falling off after being clamped with the connecting groove 302.

As shown in fig. 5, the caster wheel coupling holder 2 is provided with at least one second hole 201 for coupling the caster wheel coupling holder 2 with the coupling member 3. The second hole 201 may have a circular, rectangular, square, trapezoidal, etc. shape, and the square shape is preferred in this embodiment. Elastic component 303 is fixed on connecting piece 3, and the lower extreme 305 of connecting piece 3 stretches into second hole 201, drives elastic component 303 and stretches into second hole 201 together, waits that elastic part 3032 passes the second hole and resets the back, and elastic part 3032's free end prevents lower extreme 305 and breaks away from truckle connecting seat 2, realizes connecting piece 3 and second hole 201 joint. Preferably, the end 3033 of the elastic part 3032 abuts against the caster connecting seat 2, and meanwhile, the caster connecting seat 2 is attached to the first base 1, so that the installation of the caster is most stable. The free end 3033 of the elastic element 303 is abutted against the caster connecting seat 2 to replace a screw nut to fix the caster connecting seat and the first base 1, so that the installation is simple and convenient; meanwhile, the elastic member 303 has elasticity, so that the caster and the first base 1 can be tightly and stably connected within an elastic range. The elastic part 3032 is clamped with the second hole 201, so that the caster connecting seat 2 and the connecting piece 3 cannot fall off under the action of gravity.

Preferably, the upper end 304 is arranged coaxially with the lower end 305, and the first hole 101 to which each connector 3 is connected is arranged coaxially with the second hole 201. For each caster, four first holes 101 need to be formed in the first base 1, four second holes 201 need to be formed in the corresponding caster connecting base 2, and four connecting members 3 need to be provided. The upper ends 304 of the four connecting pieces 3 extend into the first hole 101 to be clamped with the first hole 101, and the lower ends 305 of the four connecting pieces 3 extend into the second hole 201 to be clamped with the second hole 201 to realize the connection of the network communication cabinet and the caster.

The connecting piece 3 can be made of metal materials such as cast iron or alloy materials, can also be made of organic materials or composite materials, and can be integrally formed or separately welded. Take the longest side length of the connecting piece 3 in the horizontal plane direction as 7 + -1 mm and the longest height as 11 + -1 mm as an example. The first aperture 101 has a side length of less than 6mm and the second aperture 201 has a side length of more than 8 mm.

Each elastic member 303 includes a fixing portion 3031 and an elastic portion 3032, and the fixing portion 3031 and the elastic portion 3032 may be formed by bending a spring piece integrally formed into a bending plate or by bending an elastic metal wire. The elastic member 303 of this embodiment is preferably a folded plate. The spring leaf is made of spring steel and has a thickness of 0.2-0.4 mm. Before the caster is installed, the upper end of the connecting piece 3 is firstly extended into the first hole 101 to be clamped or press-riveted in the first hole 101, and the side wall of the first hole 101 is accommodated in the connecting groove 302 to prevent the connecting piece 3 from being separated from the first base 1 under the action of gravity; then aim at connecting piece 3 with four second holes 201 of truckle connecting seat 2 and press, connecting piece 3 drives elastic component 303 and passes second hole 201, treats that elastic component 303 bounces the back truckle card and dies, and the one side and the laminating of first base 101 of truckle connecting seat 2, the terminal 3033 of elastic component 3032 contradicts on the another side of truckle connecting seat, accomplishes the installation.

In summary, those skilled in the art can easily understand that the utility model has the following beneficial effects: under the prerequisite of not using instrument, screw, nut etc., upper end and lower extreme through the connecting piece respectively with first base and truckle connecting seat joint, quick install the truckle on network communication rack base, reduced the time of installation to manufacturing cost has been reduced, production efficiency has been improved.

The above is only the exemplary embodiment of the present invention, and not the limitation of the present invention, all the equivalent structures or equivalent processes of the present invention are used, or directly or indirectly applied to other related technical fields, and the same principle is included in the patent protection scope of the present invention.

Claims

1. A caster connecting structure is characterized by comprising a connecting piece, wherein the upper end of the connecting piece extends into a first hole formed in a first base and is clamped with the first hole; the lower end of the connecting piece extends into a second hole formed in the caster connecting seat and is clamped with the second hole.

2. The caster wheel attachment structure of claim 1, wherein the upper end defines an attachment slot that engages and snaps into the first aperture.

3. The caster wheel connecting structure according to claim 1 or 2, wherein the lower end is provided with an elastic member, and the elastic member extends into the second hole to be matched with the caster wheel connecting seat so as to connect the connecting member with the caster wheel connecting seat.

4. The caster wheel coupling structure as claimed in claim 3, wherein the elastic member is a folding plate including a fixing portion and an elastic portion coupled to each other; the fixing portion is fixed to a side surface of the lower end, and the elastic portion is offset from the side surface.

5. The caster wheel connecting structure according to claim 4, wherein after the elastic member is inserted into the second hole, the free end of the elastic portion abuts against the caster wheel connecting seat.

6. The caster wheel attachment structure of claim 5, wherein the attachment member is disposed concentrically with the first and second holes.

7. The caster wheel connecting structure as claimed in claim 6, wherein the first base is connected to one caster wheel, the first base has four first holes, the caster wheel connecting base has four second holes, and the first holes and the second holes are connected by four connecting members.

8. The caster wheel coupling structure as claimed in claim 4, wherein the thickness of the folded plate is 0.2-0.4 mm.