CN212928586U

CN212928586U - One-way wheel capable of preventing shaft sleeve from being separated

Info

Publication number: CN212928586U
Application number: CN202021867472.4U
Authority: CN
Inventors: 梁文生
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-04-09
Anticipated expiration: 2030-09-01

Abstract

The utility model discloses a one-way wheel capable of preventing an axle sleeve from being separated, which comprises a wheel shell, wherein the inner wall of the wheel shell is fixedly connected with a one-way needle bearing, the inside of the one-way needle bearing is fixedly connected with an axle core, the outer side surface of the axle core is provided with a clamping groove, a spring steel pad is sleeved inside the clamping groove, the upper end surface of the wheel shell is provided with a groove, a composite sealing gasket is arranged inside the groove, the composite sealing gasket consists of a composite gasket rubber inner ring and a composite gasket metal shell, the composite gasket rubber inner ring is positioned at the lower end of the composite gasket metal shell and is fixedly connected with the composite gasket metal shell, the utility model discloses a one-way wheel which is provided with a clamping groove on the outer side surface of the axle core and is sleeved with a snap spring gasket inside the clamping groove, the two are mutually matched for use, thereby, the bearing and the shaft outer sleeve are prevented from being drawn out of the shaft core in the using process.

Description

One-way wheel capable of preventing shaft sleeve from being separated

Technical Field

The utility model relates to an one-way wheel specifically is a can prevent one-way wheel that axle overcoat breaks away from.

Background

At the moment when the engine stops working, the crankshaft of the engine has a transient forward and reverse direction swing, and the rotor of the engine still keeps rotating in the original direction at the moment, so that the damage of a magnetic coil in the rotor caused by forward and reverse impact is avoided, and a one-way wheel is used and fixedly arranged on the rotor. The one-way wheel can be divided into a wheel shell and a shaft core, and the shaft core is connected with the wheel shell through a one-way bearing. If the rotating speed of the shaft core exceeds the rotating speed of the wheel shell in operation, the one-way wheel slips immediately, so that the impact is reduced, the effect of protecting the transmission mechanism is achieved, and the service life of the transmission mechanism can be effectively prolonged.

Because the shaft core of the one-way wheel is sleeved with the bearing, and the shaft sleeve is arranged outside the bearing, the shaft sleeve and the bearing can be separated from the shaft core frequently in the use process. Therefore, the one-way wheel capable of preventing the shaft outer sleeve from being separated is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can prevent one-way wheel that axle overcoat breaks away from to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a can prevent one-way wheel that axle overcoat breaks away from, includes the wheel shell, the one-way bearing of wheel shell inner wall fixedly connected with, the inside fixedly connected with axle core of one-way bearing, the draw-in groove has been seted up on axle core outside surface, the inside spring steel pad that has cup jointed of draw-in groove, wheel shell upper end surface is provided with the recess, compound seal ring is provided with No. one in the recess, compound seal ring comprises compound packing ring rubber inner circle and compound packing ring metal casing, compound packing ring rubber inner circle is located compound packing ring metal casing lower extreme and fixed connection, wheel shell lower extreme inside wall is provided with compound seal ring No. two.

Preferably, the outer wall of the upper end of the one-way needle bearing is lower than the shaft core and the wheel shell.

Preferably, the inner layer of the one-way needle bearing is in an inverted L shape.

Preferably, the groove is a groove with an annular structure.

Preferably, the inner diameter of the first composite sealing washer is equal to the outer diameter of the shaft core, and the outer diameter of the first composite sealing washer is equal to the inner diameter of the wheel shell.

Preferably, the inner side wall and the outer side wall of the second composite sealing washer are respectively attached to the outer wall of the shaft core and the inner wall of the wheel shell.

Preferably, the width of the rubber inner ring of the composite gasket is 2 MM.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a draw-in groove has been seted up on axle core outside surface to the jump ring packing ring has been cup jointed inside the draw-in groove, uses of mutually supporting between the two, thereby firmly fixes single bearing, makes its relative position with the axle core unchangeable, prevents to take bearing and axle overcoat out from the axle core in the use.

Drawings

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

FIG. 2 is a schematic view of the reverse side of the first composite sealing washer of the present invention;

FIG. 3 is a schematic cross-sectional view of a first composite sealing gasket of the present invention;

fig. 4 is a schematic view of the front structure of the first composite sealing washer of the present invention.

In the figure: the device comprises a 1-wheel shell, a 2-way needle bearing, a 3-second composite sealing washer, a 4-groove, a 5-first composite sealing washer, a 6-shaft core, a 7-composite washer rubber inner ring, an 8-composite washer metal shell, a 9-clamping groove and a 10-spring steel washer.

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 a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a can prevent one-way wheel that axle overcoat breaks away from, includes

wheel shell

1, 1 inner wall fixedly connected with one-way bearing 2 of wheel shell, the inside fixedly connected with axle core 6 of one-way bearing 2, draw-in groove 9 has been seted up on 6 outside surfaces of axle core, spring steel pad 10 has been cup jointed to draw-in groove 9 inside, 1 upper end surface of wheel shell is provided with

recess

4, 4 inside composite seal ring 5 that are provided with of recess, composite seal ring 5 comprises composite seal ring rubber inner circle 7 and composite seal ring metal-back shell 8, composite seal ring rubber inner circle 7 is located composite seal ring metal-back shell 8 lower extreme and fixed connection, 1 lower extreme inside wall of wheel shell is provided with composite seal ring 3 No. two.

Furthermore, the outer wall of the upper end of the one-way needle bearing 2 is lower than the shaft core 6 and the wheel shell 1, so that the one-way wheel can be well sealed by the one-way composite sealing washer 5.

Further, the inner layer of the one-way needle bearing 2 is in an inverted L shape, so that the position of the outer layer of the needle bearing 2 can be positioned.

Further, the groove 4 is of an annular structure, and the first composite sealing washer 5 is convenient to mount.

Furthermore, the inner diameter of the first composite sealing washer 5 is equal to the outer diameter of the shaft core 6, and the outer diameter of the first composite sealing washer 5 is equal to the inner diameter of the wheel shell 1, so that the first composite sealing washer 5 is sleeved on the outer side of the shaft core 6, the one-way wheel forms reliable sealing, and the service life of the composite sealing washer is prolonged.

Further, the inner side wall and the outer side wall of the second composite sealing washer 3 are respectively attached to the outer wall of the shaft core 6 and the inner wall of the wheel shell 1, so that the outer wall of the shaft core 6 and the inner wall of the wheel shell 1 form sealing.

Furthermore, the width of the composite washer rubber inner ring 7 is 2MM, so that the service life of the composite washer rubber inner ring is prolonged.

Specifically, during the use, through setting up the draw-in groove 9 has been seted up on 6 outside surfaces of axle core to at the inside jump ring packing ring 10 that has cup jointed of draw-in groove 9, mutually support the use between the two, thereby firmly fix single bearing 2, make its and axle core 6's relative position unchangeable, prevent in the use that bearing and axle overcoat are taken out from axle core 6.

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

Claims

1. A can prevent one-way wheel that axle overcoat breaks away from, includes wheel shell (1), its characterized in that: the wheel shell (1) inner wall fixedly connected with one-way needle bearing (2), the inside fixedly connected with axle core (6) of one-way needle bearing (2), draw-in groove (9) have been seted up on axle core (6) outside surface, spring steel pad (10) have been cup jointed to draw-in groove (9) inside, wheel shell (1) upper end surface is provided with recess (4), recess (4) inside is provided with compound seal ring (5) No. one, compound seal ring (5) comprises compound washer rubber inner circle (7) and compound washer metal-back (8), compound washer rubber inner circle (7) are located compound washer metal-back (8) lower extreme and fixed connection, wheel shell (1) lower extreme inside wall is provided with compound seal ring (3) No. two.

2. The one-way wheel capable of preventing the shaft sleeve from being separated as claimed in claim 1, wherein: the outer wall of the upper end of the one-way needle bearing (2) is lower than the shaft core (6) and the wheel shell (1).

3. The one-way wheel capable of preventing the shaft sleeve from being separated as claimed in claim 1, wherein: the inner layer of the one-way needle bearing (2) is inverted L-shaped.

4. The one-way wheel capable of preventing the shaft sleeve from being separated as claimed in claim 1, wherein: the groove (4) is of an annular structure.

5. The one-way wheel capable of preventing the shaft sleeve from being separated as claimed in claim 1, wherein: the inner diameter of the first composite sealing washer (5) is equal to the outer diameter of the shaft core (6), and the outer diameter of the first composite sealing washer (5) is equal to the inner diameter of the wheel shell (1).

6. The one-way wheel capable of preventing the shaft sleeve from being separated as claimed in claim 1, wherein: the inner side wall and the outer side wall of the second composite sealing washer (3) are respectively attached to the outer wall of the shaft core (6) and the inner wall of the wheel shell (1).

7. The one-way wheel capable of preventing the shaft sleeve from being separated as claimed in claim 1, wherein: the width of the rubber inner ring (7) of the composite gasket is 2 MM.