CN215360748U

CN215360748U - Rear-drive self-lubricating bearing structure wheel

Info

Publication number: CN215360748U
Application number: CN202121868581.2U
Authority: CN
Inventors: 曹若峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-11
Filing date: 2021-08-11
Publication date: 2021-12-31
Anticipated expiration: 2031-08-11

Abstract

A rear-drive self-lubricating bearing structure wheel relates to the field of wheel lubrication transmission machinery and comprises a wheel assembly, wherein the wheel assembly comprises an inner wheel and a wheel support, an inner gear ring and a brake pad are arranged on the inner wheel, a self-lubricating ring is arranged on the outer side of the inner wheel, an outer wheel is arranged on the outer side of the self-lubricating ring, grooves are formed in two sides of the self-lubricating ring, an inner core is arranged in each groove, protruding blocks are respectively arranged on two inner sides, close to the inner wheel, of the wheel support, and the protruding blocks are in sliding fit in the grooves; the wheel has better comprehensive performance than a ball bearing due to the adoption of the self-lubricating bearing, less mechanical vibration is generated, the rotating noise of the bearing is reduced, and the bearing can effectively work under various severe environments such as high pressure, large temperature difference and water.

Description

Rear-drive self-lubricating bearing structure wheel

Technical Field

The utility model relates to the field of wheel lubrication transmission machinery, in particular to a rear-drive self-lubricating bearing structure wheel.

Background

The ball bearing is one kind of rolling bearing, and has spherical alloy steel balls installed between the inner steel ring and the outer steel ring to reduce friction force and raise the mechanical power transmission efficiency. Ball bearings cannot withstand large heavy loads and are common in light industrial machinery. Ball bearings are also known as ball bearings.

Ball bearings have many problems, such as poor wear resistance, poor elastoplasticity, and heavy mass, which can produce large mechanical vibration and are not suitable for working under various severe environments such as high pressure, large temperature difference, water, etc.

SUMMERY OF THE UTILITY MODEL

The utility model provides a rear-drive self-lubricating bearing structure wheel, which can avoid the problems that a ball bearing in the prior art has poor wear resistance, weak elastoplasticity and heavy mass and can generate larger mechanical vibration.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

a rear-drive self-lubricating bearing structure wheel comprises a wheel assembly, wherein the wheel assembly comprises an inner wheel and a wheel support, an inner gear ring and a brake pad are arranged on the inner wheel, a self-lubricating ring is arranged on the outer side of the inner wheel, an outer wheel is arranged on the outer side of the self-lubricating ring, grooves are formed in two sides of the self-lubricating ring, an inner core is arranged in each groove, two inner sides, close to the inner wheel, of the wheel support are respectively provided with a convex block, and the convex blocks are in sliding fit with the grooves; when the self-lubricating bearing structure enables the bicycle to move, the inner wheel with the tire rotates, the wheel shell is equivalent to the bearing shell, the rotation of the inner wheel cannot be influenced, the solid lubricant is melted by heat generated by friction, and the effect the same as that of the traditional bearing is achieved, and the self-lubricating bearing structure is more optimized and practical.

In some embodiments, a brake mounting groove is formed in the wheel support, a caliper brake is arranged in the brake mounting groove, and the caliper brake is matched with the brake pad; realize stable high-efficient braking.

In some embodiments, the inner core is made of a high-force brass inner core, a plurality of brass holes are formed in the high-force brass inner core, and a solid lubricant is embedded in the brass holes.

In some embodiments, the wheel bracket is provided with two welding points and a protruding column, and the two welding points and the protruding column are respectively connected with the frame; is convenient to be welded with the frame.

In some embodiments, the wheel support is further provided with a plurality of fixing holes, and fixing bolts are arranged in the fixing holes.

In some embodiments, a rotating shaft connecting hole is formed in the wheel support, a rotating shaft is arranged in the rotating shaft connecting hole, a driving wheel is arranged at one end of the rotating shaft, the driving wheel is matched with the inner gear ring, and a driving assembly is connected to one end, far away from the driving wheel, of the rotating shaft.

In some embodiments, the inner wheel and the wheel bracket are made of aluminum alloy.

In some embodiments, the brake pad is provided with a plurality of auxiliary brake holes; the friction between the caliper brake and the brake pad is increased.

In some embodiments, the solid lubricant is graphite.

In some embodiments, a braking system is coupled to the caliper brake.

The utility model relates to a rear-drive self-lubricating bearing structure wheel, which relates to the field of wheel lubrication transmission machinery and comprises a wheel assembly, wherein the wheel assembly comprises an inner wheel and a wheel bracket, an inner gear ring and a brake pad are arranged on the inner wheel, a self-lubricating ring is arranged on the outer side of the inner wheel, an outer wheel is arranged on the outer side of the self-lubricating ring, grooves are formed in two sides of the self-lubricating ring, an inner core is arranged in each groove, protruding blocks are respectively arranged on the two inner sides, close to the inner wheel, of the wheel bracket, and the protruding blocks are in sliding fit with the grooves; the wheel has better comprehensive performance than a ball bearing due to the adoption of the self-lubricating bearing, less mechanical vibration is generated, the rotating noise of the bearing is reduced, and the bearing can effectively work under various severe environments such as high pressure, large temperature difference and water.

Drawings

FIG. 1 is a perspective view of the rear wheel assembly of the present invention;

FIG. 2 is a front view of the rear wheel with the wheel carrier removed in accordance with the present invention;

FIG. 3 is a perspective partial cross-sectional view of the rear wheel of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 labeled A;

fig. 5 is a perspective view of the wheel carrier of the present invention.

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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

As shown in fig. 1 to 5, a rear-drive self-lubricating bearing structure wheel comprises a wheel assembly 1, wherein the wheel assembly comprises an inner wheel 11 and a wheel bracket 12, an inner gear ring 115 and a brake pad 113 are arranged on the inner wheel, a self-lubricating ring 114 is arranged on the outer side of the inner wheel, an outer wheel 111 is arranged on the outer side of the self-lubricating ring, grooves 112 are formed in two sides of the self-lubricating ring, inner cores are arranged in the grooves, protruding blocks 126 are respectively arranged on two inner sides of the wheel bracket close to the inner wheel, and the protruding blocks are in sliding fit in the grooves; the self-lubricating ring consists of a groove, an inner core and a convex block.

Compared with the original ball bearing, the self-lubricating bearing structure has the following advantages that: 1. can be maintained without or with little maintenance when in use. 2. Good wear resistance, small friction coefficient and long service life. 3. The bearing has proper elastoplasticity, can distribute stress on a wider contact surface and improve the bearing capacity of the bearing; 4. the static and dynamic friction coefficients are similar, so that the working precision of the machine is ensured; 5. the vibration of the machine can be reduced, the noise is reduced, the pollution is prevented, and the labor condition is improved; 6. a transfer film can be formed in the running process, and the function of protecting the counter grinding shaft is achieved; 7. the hardness requirement on the grinding shaft is low, so that the processing difficulty of related parts is reduced; 8. the thin-wall structure is light, and the mechanical volume can be reduced; 9. the back of the steel can be plated with various metals and can be used in a corrosive medium; the self-lubricating bearing structure enables the inner wheel with the tire to rotate when the bicycle moves, and the wheel shell is equivalent to the bearing shell, so that the rotation of the inner wheel cannot be influenced.

When the embodiment of the utility model is implemented specifically, as shown in fig. 1 and 3, a brake installation groove 121 is formed in the wheel support, a caliper brake is arranged in the brake installation groove, the caliper brake is matched with the brake pad, and the caliper brake is connected with a brake system; the cooperation of the caliper brake and the brake pad is utilized to realize good braking and ensure riding safety; the brake system belongs to the prior art.

According to the further refinement of the scheme of the embodiment of the utility model, a plurality of auxiliary brake holes 1131 are formed in the brake pad; and the friction of the auxiliary brake holes can be increased, so that the brake effect is better.

According to the further refinement of the scheme of the embodiment of the utility model, the inner core is a high-force brass inner core, a plurality of brass holes are formed in the high-force brass inner core, and a solid lubricant is embedded in the brass holes; the rider melts the solid lubricant due to the heat generated by friction during riding, so that the effect same as that of a traditional bearing is achieved, and the lubricating effect of the ball is replaced.

In the specific implementation of the embodiment of the present invention, as shown in fig. 1 and 5, the wheel bracket is provided with two welding points 123 and a protruding column 122, and the two welding points and the protruding column are respectively connected to the frame; the protruding columns and the welding points are respectively matched with corresponding parts of the frame, so that the rear wheel can be conveniently welded with the frame in the follow-up process.

When the embodiment of the present invention is implemented, as shown in fig. 1 and 5, a plurality of fixing holes 125 are further disposed on the wheel bracket, and fixing bolts are disposed in the fixing holes; and the stable installation of the rear wheel and the driving assembly is realized by utilizing the plurality of fixing holes.

According to the further refinement of the scheme of the embodiment of the utility model, the two sides of the wheel bracket, which are close to the self-lubricating ring, are respectively provided with three convex blocks, and the two sides of the self-lubricating ring are respectively provided with three grooves.

In specific implementation of the embodiment of the present invention, as shown in fig. 1, a rotation shaft connection hole is formed in the wheel support, a rotation shaft 124 is disposed in the rotation shaft connection hole, a driving wheel is disposed at one end of the rotation shaft, the driving wheel is matched with the inner gear ring, and a driving assembly is connected to one end of the rotation shaft, which is far away from the driving wheel.

According to the further refinement of the embodiment of the utility model, the solid lubricant is graphite.

According to the further refinement of the scheme of the embodiment of the utility model, the inner wheel and the wheel bracket are made of aluminum alloy materials.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the utility model or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the utility model as defined by the appended claims.

Claims

1. The utility model provides a back-drive formula self-lubricating bearing structure wheel, a serial communication port, including the wheel subassembly, the wheel subassembly includes interior wheel and wheel support, be provided with interior ring gear and brake block on interior wheel, the outside of interior wheel is provided with from the lubricant ring, the outside from the lubricant ring is provided with the foreign steamer, the both sides from the lubricant ring all are provided with the recess, be provided with the inner core in the recess, the wheel support is close to two inboards of interior wheel are provided with the protruding piece respectively, sliding fit has in the recess the protruding piece.

2. The wheel with the rear-drive self-lubricating bearing structure as claimed in claim 1, wherein a brake mounting groove is formed in the wheel support, a caliper brake is arranged in the brake mounting groove, and the caliper brake is matched with the brake pad.

3. The wheel with the rear-drive self-lubricating bearing structure as claimed in claim 1, wherein the inner core is a high-force brass inner core, a plurality of brass holes are formed in the high-force brass inner core, and a solid lubricant is embedded in the brass holes.

4. The wheel of claim 2, wherein the wheel carrier has two welds and raised columns.

5. The wheel with the back-drive self-lubricating bearing structure as claimed in claim 4, wherein a plurality of fixing holes are formed in the wheel support, and fixing bolts are arranged in the fixing holes.

6. The wheel with the rear-drive self-lubricating bearing structure as claimed in claim 5, wherein a rotating shaft connecting hole is formed in the wheel support, a rotating shaft is arranged in the rotating shaft connecting hole, a driving wheel is arranged at one end of the rotating shaft, and the driving wheel is matched with the inner gear ring.

7. The rear-drive self-lubricating bearing structure wheel of claim 1, wherein the inner wheel and the wheel carrier are made of aluminum alloy.

8. A rear-drive self-lubricating bearing structure wheel according to claim 2, wherein the brake pads are provided with auxiliary brake holes.

9. A wheel of trailing self-lubricating bearing structure according to claim 3, wherein the solid lubricant is graphite.