CN209925609U - Sealing structure and traveling equipment - Google Patents

Abstract

The embodiment of the application discloses seal structure and equipment of traveling, seal structure includes: a rotating shaft; the first body is sleeved on the rotating shaft and is fixedly arranged relative to the rotating shaft; the second body is sleeved on the rotating shaft, is arranged in a rotating mode relative to the rotating shaft and is matched with the first body; and a first sealing member disposed between the first body and the second body and respectively abutted against the first body and the second body. The sealing structure of the present embodiment can prevent external liquid or foreign matter from entering the inside of the sealing structure from between the first body and the second body by providing the first sealing member between the first body and the second body.

Description

Sealing structure and traveling equipment

Technical Field

The application relates to a sealing technology, in particular to a sealing structure and running equipment.

Background

The driving device is generally provided with a rotating shaft and a structural member connected with the rotating shaft, and the structural member is generally directly fixed on the rotating shaft. However, during the use of the traveling equipment, external liquid or sundries often enter the traveling equipment from between the structural parts, and the performance of the traveling equipment is affected.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a sealing structure and driving equipment for solving the problems in the prior art.

The technical scheme of the embodiment of the application is realized as follows:

an embodiment of the present application provides a sealing structure, and the sealing structure includes:

a rotating shaft;

the first body is sleeved on the rotating shaft and is fixedly arranged relative to the rotating shaft;

the second body is sleeved on the rotating shaft, is arranged in a rotating mode relative to the rotating shaft and is matched with the first body;

and a first seal member provided between the first body and the second body and abutting against the first body and the second body, respectively.

In some optional implementations, the sealing structure further includes:

and the second sealing element is arranged between the rotating shaft and the first body and is respectively abutted against the rotating shaft and the first body.

In some optional implementation manners, the first body is provided with a through hole, and the first body is sleeved on the rotating shaft through the through hole;

a first sealing groove is annularly arranged on the outer surface of the rotating shaft;

the second sealing element is filled in the first sealing groove and is abutted against the inner wall of the through hole.

In some optional implementations, the first body is circumferentially provided with a slot;

the second body is provided with a flange along the circumferential direction, a first part of the flange is inserted into the slot, and the first sealing element is arranged between the inner wall of the slot and the outer wall of the first part of the flange.

In some alternative implementations, the first seal is located between an inner wall of the slot distal from the spindle and an outer wall of the first portion of the flange, or,

the first sealing member is located between an inner wall of the slot proximate the spindle and an outer wall of the first portion of the flange.

In some optional implementations, the second portion of the flange is located outside the slot, and the outer wall of the second portion of the flange away from the rotating shaft is provided with a diversion groove.

In some optional implementations, the number of the flow guide grooves is two or more, and the two or more flow guide grooves are uniformly distributed along a direction away from the slot.

In some optional implementations, when the first sealing element is located between the inner wall of the slot away from the rotating shaft and the outer wall of the first portion of the flange, the outer wall of the first portion of the flange away from the rotating shaft is annularly provided with a second sealing groove;

the first sealing element is filled in the second sealing groove and is abutted against the inner wall of the slot far away from the rotating shaft.

In some optional implementations, the first body is a brake shoe; correspondingly, the second body is a brake drum.

The embodiment of the application also provides a running device, and the running device comprises the sealing structure in the embodiment of the application.

In an embodiment of the present application, the sealing structure includes: a rotating shaft; the first body is sleeved on the rotating shaft and is fixedly arranged relative to the rotating shaft; the second body is sleeved on the rotating shaft, is arranged in a rotating mode relative to the rotating shaft and is matched with the first body; a first seal member provided between the first body and the second body and abutting against the first body and the second body, respectively; by providing the first seal member between the first body and the second body, it is possible to prevent external liquid or foreign matter from entering the inside of the seal structure from between the first body and the second body.

Drawings

FIG. 1 is a schematic cross-sectional view of an alternative construction of a seal in an embodiment of the present application;

figure 2 is a further alternative structural schematic of a seal structure in an embodiment of the present application.

Reference numerals: 110. a rotating shaft; 111. a first seal groove; 120. a first body; 121. a through hole; 122. a slot; 130. a second body; 131. a flange; 132. a diversion trench; 133. a second seal groove; 101. a second seal member; 102. a first seal.

Detailed Description

The present application will be described in further detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

In the description of the embodiments of the present application, it should be noted that, unless otherwise specified and limited, the term "connected" should be interpreted broadly, for example, as an electrical connection, a communication between two elements, a direct connection, or an indirect connection via an intermediate, and the specific meaning of the terms may be understood by those skilled in the art according to specific situations.

It should be noted that the terms "first \ second \ third" referred to in the embodiments of the present application are only used for distinguishing similar objects, and do not represent a specific ordering for the objects, and it should be understood that "first \ second \ third" may exchange a specific order or sequence order if allowed. It should be understood that "first \ second \ third" distinct objects may be interchanged under appropriate circumstances such that the embodiments of the application described herein may be implemented in an order other than those illustrated or described herein.

The sealing structure in the embodiment of the present application is described below in detail with reference to fig. 1 and 2.

As shown in fig. 1 and 2, a seal structure according to an embodiment of the present application includes: a rotating shaft 110; the first body 120 is sleeved on the rotating shaft 110 and is fixedly arranged relative to the rotating shaft 110; the second body 130 is sleeved on the rotating shaft 110, is rotatably arranged relative to the rotating shaft 110, and is matched with the first body 120; the second body 130 is movable to a first position and a second position with respect to the rotation shaft 110; the first seal 102 is provided between the first body 120 and the second body 130, and is in contact with the first body 120 and the second body 130, respectively.

In the embodiment of the present application, the structures of the first body 120 and the second body 130 are not limited. For example, the first body 120 may be a brake shoe; correspondingly, the second body 130 may be a brake drum.

In this embodiment, the first sealing member 102 is used to seal a gap between the first body 120 and the second body 130. The first seal 102 may be resilient and deform to effect a seal.

Here, the material and the sectional shape of the first seal member 102 are not limited. The material of the first sealing element 102 may be butadiene nitrile rubber, ethylene propylene diene monomer rubber, fluorine rubber, silica gel, fluorine silicon rubber, nylon, polyurethane, engineering plastics, etc. The cross-sectional shape of the first seal member 102 may be rectangular, circular, Y-shaped, etc. As an example, the first seal 102 may be an O-ring.

Here, the first seal member 102 may be directly compressed between the first body 120 and the second body 130, or may be compressed between the first body 120 and the second body 130 by other structures.

In some optional implementations of the embodiments of the present application, the first body 120 is circumferentially provided with a slot 122; the second body 130 is provided with a flange 131 along a circumferential direction, a first portion of the flange 131 is inserted into the insertion groove 122, and the first sealing member 102 is disposed between an inner wall of the insertion groove 122 and an outer wall of the first portion of the flange 131.

In this implementation, the location of the first seal 102 is not limited.

For example, the first sealing member 102 may be located between an inner wall of the insertion groove 122 near the rotation shaft 110 and an outer wall of the first portion of the flange 131.

For another example, as shown in fig. 1, the first sealing member 102 may be located between an inner wall of the insertion groove 122 away from the rotation shaft 110 and an outer wall of the first portion of the flange 131.

Here, the first sealing member 102 may be directly pressed between the inner wall of the insertion groove 122 located far from the rotation shaft 110 and the outer wall of the first portion of the flange 131, and may be pressed between the inner wall of the insertion groove 122 located far from the rotation shaft 110 and the outer wall of the first portion of the flange 131 by other structures.

As an example, when the first sealing element 102 is located between the inner wall of the slot 122 away from the rotating shaft 110 and the outer wall of the first portion of the flange 131, the outer wall of the first portion of the flange 131 away from the rotating shaft 110 is provided with a second sealing groove 133; the first sealing element 102 is filled in the second sealing groove 133 and abuts against the inner wall of the slot 122; by providing the first seal 102 in the second seal groove 133, the volume of the first seal 102 can be increased, the amount of deformation of the first seal 102 can be increased, and the sealing effect of the first seal 102 can be improved.

Here, the sectional shape of the second seal groove 133 is not limited. For example, the cross-sectional shape of the second seal groove 133 may be circular or rectangular.

In this implementation, the second portion of the flange 131 is located outside the insertion slot 122, and a diversion groove 132 is formed around an outer wall of the second portion of the flange 131 away from the rotating shaft 110; the diversion groove 132 can divert the external liquid to prevent the external liquid from accumulating at the joint surface between the first body 120 and the second body 130, thereby effectively preventing the external liquid from entering the inside of the sealing structure from the joint surface between the first body 120 and the second body 130.

Here, the sectional shape of the guide groove 132 is not limited. As an example, as shown in fig. 1, the cross-sectional shape of the flow guide groove 132 is rectangular.

Here, the number of the guide grooves 132 is not limited. For example, one or more than two flow guide grooves 132 may be provided. When the number of the flow guide grooves 132 is two or more, the two or more flow guide grooves 132 are uniformly distributed along the direction away from the insertion groove 122. Of course, the two or more flow guide grooves 132 may be distributed unevenly in the direction away from the insertion groove 122.

Of course, the sealing structure in this implementation may not be provided with the diversion trench 132.

In some optional implementations of embodiments of the present application, the sealing structure may further include: and a second seal 101 disposed between the rotating shaft 110 and the first body 120 and abutting against the rotating shaft 110 and the first body 120, respectively.

In the present embodiment, the second sealing member 101 is used to seal a gap between the rotating shaft 110 and the first body 120. The second sealing member 101 may have elasticity to achieve sealing by deformation.

Here, the material and the sectional shape of the second seal 101 are not limited. The material of the second sealing element 101 may be nitrile butadiene rubber, ethylene propylene diene monomer rubber, fluororubber, silicone rubber, fluorosilicone rubber, nylon, polyurethane, engineering plastics, etc. The cross-sectional shape of the second sealing member 101 may be rectangular, circular, Y-shaped, or the like. As an example, the second seal 101 may be an O-ring.

Here, the second sealing member 101 may be directly compressed between the rotating shaft 110 and the first body 120, or may be compressed between the rotating shaft 110 and the first body 120 by other structures.

As an example, the first body 120 is provided with a through hole 121, and the first body 120 is sleeved on the rotating shaft 110 through the through hole 121; a first sealing groove 111 is annularly arranged on the outer surface of the rotating shaft 110; the second sealing member 101 is filled in the first sealing groove 111 and abuts against the inner wall of the through hole 121.

In this example, by providing the second seal 101 in the first seal groove 111, the volume of the second seal 101 can be increased, the amount of deformation of the second seal 101 can be increased, and the sealing effect of the second seal 101 can be improved.

In this example, the cross-sectional shape of the first seal groove 111 is not limited. For example, the cross-sectional shape of the first seal groove 111 may be semicircular, rectangular, or trapezoidal. Here, the cross-sectional shape of the first seal groove 111 may be the same as or different from the cross-sectional shape of the second seal 101.

Here, the material of the second seal 101 and the material of the first seal 102 may be the same or different. The cross-sectional shape of the second seal 101 may be the same as or different from the cross-sectional shape of the first seal 102.

In the present implementation, the sealing structure can prevent external liquid or foreign materials from entering the inside of the sealing structure from between the rotating shaft 110 and the first body 120 by providing the second sealing member 101 between the first body 120 and the rotating shaft 110. The embodiment of the application also describes a running device, and the running device comprises the sealing structure described in the embodiment of the application.

Here, the running device may be an electric bicycle, an electric motorcycle, or an electric scooter.

In an embodiment of the present application, the sealing structure includes: a rotating shaft 110; the first body 120 is sleeved on the rotating shaft 110 and is fixedly arranged relative to the rotating shaft 110; the second body 130 is sleeved on the rotating shaft 110, is rotatably arranged relative to the rotating shaft 110, and is matched with the first body 120; a first seal member 102 provided between the first body 120 and the second body 130 and abutting against the first body 120 and the second body 130, respectively; by providing the first sealing member 102 between the first body 120 and the second body 130, it is possible to prevent external liquid or foreign matter from entering the inside of the sealing structure from between the first body 120 and the second body 130.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. A sealing structure, characterized in that the sealing structure comprises:

a rotating shaft;

the first body is sleeved on the rotating shaft and is fixedly arranged relative to the rotating shaft;

the second body is sleeved on the rotating shaft, is arranged in a rotating mode relative to the rotating shaft and is matched with the first body;

and a first seal member provided between the first body and the second body and abutting against the first body and the second body, respectively.

2. The seal structure of claim 1, wherein: the seal structure further includes:

and the second sealing element is arranged between the rotating shaft and the first body and is respectively abutted against the rotating shaft and the first body.

3. The sealing structure according to claim 2, wherein the first body is provided with a through hole, and the first body is sleeved on the rotating shaft through the through hole;

a first sealing groove is annularly arranged on the outer surface of the rotating shaft;

the second sealing element is filled in the first sealing groove and is abutted against the inner wall of the through hole.

4. The seal structure of claim 1, wherein the first body is circumferentially provided with a slot;

the second body is provided with a flange along the circumferential direction, a first part of the flange is inserted into the slot, and the first sealing element is arranged between the inner wall of the slot and the outer wall of the first part of the flange.

5. The seal structure of claim 4, wherein the first seal is located between an inner wall of the slot remote from the shaft and an outer wall of the first portion of the flange, or,

the first sealing member is located between an inner wall of the slot proximate the spindle and an outer wall of the first portion of the flange.

6. The seal structure of claim 5, wherein the second portion of the flange is located outside the slot, and wherein the second portion of the flange is provided with a baffle groove around an outer wall of the flange away from the shaft.

7. The sealing structure of claim 6, wherein the number of the guiding grooves is two or more, and the two or more guiding grooves are uniformly distributed along the direction away from the slot.

8. The seal structure of claim 5, wherein when the first seal member is positioned between the inner wall of the slot away from the shaft and the outer wall of the first portion of the flange, the first portion of the flange is surrounded by a second seal groove away from the shaft;

the first sealing element is filled in the second sealing groove and is abutted against the inner wall of the slot far away from the rotating shaft.

9. A sealing arrangement according to any one of claims 1 to 8, wherein the first body is a brake shoe; correspondingly, the second body is a brake drum.

10. A running device comprising the sealing structure according to any one of claims 1 to 9.

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