CN218817638U

CN218817638U - Driven wheel assembly

Info

Publication number: CN218817638U
Application number: CN202222787324.7U
Authority: CN
Inventors: 史义红
Original assignee: Fujian Heying Machinery Co ltd
Current assignee: Fujian Heying Machinery Co ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-04-07
Anticipated expiration: 2032-10-21

Abstract

The utility model discloses a from driving wheel assembly, include: the lower end part of the driven wheel shaft is provided with a screw hole; the bearing is sleeved on the driven wheel shaft; the tensioning driven wheel bearing sleeve is sleeved on the outer ring of the bearing; the gland is locked in the screw hole through a bolt and is respectively contacted with the plane of the inner ring of the bearing and the lower end part of the driven wheel shaft; the outer ring end cover is locked on the tensioning driven wheel bearing sleeve through a bolt and is in contact with the outer ring of the bearing; the framework oil seal is arranged on the driven wheel shaft and is positioned in the direction of the lower end part of the bearing far away from the driven wheel shaft; the waterproof outer cover is sleeved on the driven wheel shaft and is positioned in the direction of tensioning the driven wheel bearing sleeve far away from the lower end part of the driven wheel shaft; the waterproof inner cover is sleeved on the driven wheel shaft. The framework oil seal and the waterproof inner cover both prevent water vapor from invading from one side of the bearing; the outer ring end cover prevents water vapor from invading from the other side of the bearing.

Description

Driven wheel assembly

Technical Field

The utility model relates to a bearing technical field especially relates to a from driving wheel subassembly.

Background

The bearing is an important part in the modern mechanical equipment, and the main function of the bearing is to support a mechanical rotating body, reduce the friction coefficient in the movement process of the mechanical rotating body and ensure the rotation precision of the mechanical rotating body. The existing bearing isolates parts needing lubrication from the external environment through a framework oil seal, so that the leakage of lubricating oil is avoided. However, the rotation speed of the shaft, the ambient temperature, the pressure difference between the inside and the outside, and other factors affect the performance of the framework oil seal, and further affect the water resistance and the dust resistance of the bearing.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a driven wheel assembly to solve the problems of poor water resistance and dust resistance of the bearing.

To achieve the above object, the present application provides a driven wheel assembly comprising:

the driven wheel shaft is provided with a screw hole at the lower end part;

the bearing is sleeved on the driven wheel shaft;

the tensioning driven wheel bearing sleeve is sleeved on an outer ring of the bearing;

the gland is locked in the screw hole through a bolt and is respectively contacted with the plane of the inner ring of the bearing and the lower end part of the driven wheel shaft;

the outer ring end cover is locked on the tensioning driven wheel bearing sleeve through a bolt and is contacted with the outer ring of the bearing;

the framework oil seal is sleeved on the driven wheel shaft, is positioned in the direction of the bearing far away from the lower end part of the driven wheel shaft and is used for preventing water vapor from entering the bearing from a passage among the waterproof outer cover, the tensioning driven wheel bearing sleeve and the driven wheel shaft;

the waterproof outer cover is sleeved on the driven wheel shaft and is positioned in the direction in which the tensioning driven wheel bearing sleeve is far away from the lower end part of the driven wheel shaft;

the waterproof inner cover is sleeved on the driven wheel shaft and used for preventing water vapor from entering the bearing through a passage between the waterproof outer cover, the tensioning driven wheel bearing sleeve and the driven wheel shaft.

Further: and external threads are arranged on the part of the driven wheel shaft extending out of the waterproof outer cover.

Further: the nut is arranged on the external thread.

Further: the driven wheel shaft is provided with a limiting ring, the bearing is positioned between the limiting ring and the lower end part of the driven wheel shaft, and the limiting ring is positioned between the waterproof outer cover and the tensioning driven wheel bearing sleeve.

Further: the framework oil seal is positioned between the limiting ring and the waterproof inner cover.

Further: and the outer ring end cover and the tensioning driven wheel bearing sleeve are locked through bolts.

Further: the tensioning driven wheel bearing sleeve is characterized by further comprising a sealing ring, and the sealing ring is arranged between the outer ring end cover and the tensioning driven wheel bearing sleeve.

Different from the prior art, in the technical scheme, the tensioning driven wheel bearing sleeve rotates on the driven shaft under the action of the bearing, so that the waterproof outer cover and the tensioning driven wheel bearing sleeve are not in good contact, but a channel between the waterproof outer cover and the tensioning driven wheel bearing sleeve is easy to invade by water vapor, and the framework oil seal and the waterproof inner cover are both positioned between the waterproof outer cover and the tensioning driven wheel bearing sleeve to play a role in preventing water vapor from invading from one side of the bearing; the outer ring end cover also rotates along with the bearing and the tensioning driven wheel bearing sleeve, and the outer ring end cover plays a role in preventing water vapor from invading from the other side of the bearing; the driven wheel assembly has better waterproof and dustproof functions.

Drawings

FIG. 1 is a schematic cross-sectional view of a driven wheel assembly according to this embodiment;

FIG. 2 is a side view of the driven wheel assembly of the present embodiment;

fig. 3 is a schematic structural diagram of the driven wheel assembly according to the embodiment.

Description of reference numerals:

1. a driven axle;

2. tensioning the driven wheel bearing sleeve;

3. a bearing;

4. a waterproof inner cover;

5. a gland;

6. a waterproof outer cover;

7. an outer ring end cover;

8. a bolt;

9. framework oil seal;

10. a nut;

11. and (4) draining the water.

Detailed Description

To explain in detail the possible application scenarios, technical principles, and practical embodiments of the present application, and to achieve the objectives and effects thereof, the following detailed description is given with reference to the accompanying drawings. The embodiments described herein are merely for more clearly illustrating the technical solutions of the present application, and therefore, the embodiments are only used as examples, and the scope of the present application is not limited thereby.

Referring to fig. 1 to 3, the present embodiment provides a driven wheel assembly, including:

the driven wheel shaft 1 is provided with a screw hole at the lower end part of the driven wheel shaft 1;

the bearing 3 is sleeved on the driven wheel shaft 1, and the bearing 3 has the main function of supporting the mechanical rotating body, reducing the friction coefficient in the movement process and ensuring the rotation precision of the mechanical rotating body;

the driven wheel bearing sleeve 2 is tensioned, and the driven wheel bearing sleeve 2 is sleeved on the outer ring of the bearing 3 and can rotate under the action of the outer ring of the bearing 3;

the gland 5 is locked in the screw hole through a bolt 8, and the gland 5 is respectively contacted with the plane of the inner ring of the bearing 3 and the lower end part of the driven wheel shaft 1;

the outer ring end cover 7 is locked on the tensioning driven wheel bearing sleeve 2 through a bolt, the outer ring end cover 7 is in contact with the outer ring of the bearing 3, and the gland 5 is positioned on the inner side of the outer ring end cover 7;

the framework oil seal 9 is sleeved on the driven wheel shaft 1, is positioned in the direction of the lower end part of the bearing 3 far away from the driven wheel shaft, and is used for preventing water vapor from entering the bearing 3 from a passage between the waterproof outer cover 6 and the tensioned driven wheel bearing sleeve 2 and the driven wheel shaft 1;

the waterproof outer cover 6 is sleeved on the driven wheel shaft 1 and is positioned in the direction that the tensioning driven wheel bearing sleeve 2 is far away from the lower end part of the driven wheel shaft 1;

waterproof inner cup 4, waterproof inner cup 4 cover is established on driven wheel shaft 1 for prevent that steam from entering into bearing 3 department from the passageway between waterproof enclosing cover 6, tensioning driven wheel bearing housing 2 and the driven wheel shaft 1.

Referring to fig. 1, 2 and 3, according to an embodiment of the present application, the driven wheel shaft 1 is provided with an external thread at a portion extending from the waterproof outer cover 6, and the external thread can be assembled on a device, for example, a main shaft of a photovoltaic device, and the tension driven wheel bearing sleeve 2 rotates on the driven shaft by the action of the bearing 3.

Referring to fig. 1, according to an embodiment of the present application, the driven wheel assembly further includes a nut 10, the nut 10 is disposed on the external thread, and the parts are assembled by the nut 10.

Referring to fig. 1, according to one embodiment of the present application, the bearing 3 is an angular contact ball bearing.

Referring to fig. 1, according to an embodiment of the present application, a driven wheel shaft 1 is provided with a limit ring, a bearing 3 is located between the limit ring and a lower end portion of the driven wheel shaft 1, and the limit ring is located between a waterproof outer cover 6 and a tensioned driven wheel bearing housing 2. The limiting ring is a bulge on the driven wheel shaft 1 and limits the position of the bearing 3, so that the bearing 3 is flush with the lower end part of the driven wheel shaft 1, and the gland 5 can fix the bearing 3 and the driven wheel shaft 1 at the same time.

Referring to fig. 1, according to an embodiment of the present application, a skeleton oil seal 9 is provided between the retainer ring and the water-proof inner cover 4.

According to an embodiment of the application, follow driving wheel subassembly still includes the sealing washer, is provided with the sealing washer between outer lane end cover 7 and the driven wheel bearing housing of tensioning 2, and outer lane end cover 7 compresses tightly the sealing washer on the driven wheel bearing housing of tensioning 2.

Referring to fig. 1, according to an embodiment of the present application, a curved channel is formed between the waterproof cover 6 and the tension driven wheel bearing housing 2 to increase the path of water vapor intrusion. Preferably, a drain hole 11 is formed at the passage to drain accumulated water in the passage in time.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase "an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or related to other embodiments specifically defined. In principle, in the present application, the technical features mentioned in the embodiments can be combined in any manner to form a corresponding implementable solution as long as there is no technical contradiction or conflict.

Unless defined otherwise, technical terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the use of relational terms herein is intended only to describe particular embodiments and is not intended to limit the present application.

In the description of the present application, the term "and/or" is a expression for describing a logical relationship between objects, meaning that three relationships may exist, for example a and/or B, meaning: there are three cases of A, B, and both A and B. In addition, the character "/" herein generally indicates that the former and latter associated objects are in a logical relationship of "or".

In this application, terms such as "first" and "second" are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

Without further limitation, in this application, the use of "including," "comprising," "having," or other similar expressions in phrases and expressions of "including," "comprising," or "having," is intended to cover a non-exclusive inclusion, and such expressions do not exclude the presence of additional elements in a process, method, or article that includes the recited elements, such that a process, method, or article that includes a list of elements may include not only those elements but also other elements not expressly listed or inherent to such process, method, or article.

As is understood in the examination of the guidelines, the terms "greater than", "less than", "more than" and the like in this application are to be understood as excluding the number; the expressions "above", "below", "within" and the like are understood to include the present numbers. Furthermore, the description of embodiments herein of the present application of the term "plurality" means more than two (including two), and the analogous meaning of "plurality" is also to be understood, e.g., "plurality", etc., unless explicitly specified otherwise.

In the description of the embodiments of the present application, spatially relative expressions such as "central," "longitudinal," "lateral," "length," "width," "thickness," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "vertical," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used, and the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the specific embodiments or drawings and are only for convenience of describing the specific embodiments of the present application or for the convenience of the reader, and do not indicate or imply that the device or component in question must have a specific position, a specific orientation, or be constructed or operated in a specific orientation and therefore should not be construed as limiting the embodiments of the present application.

Unless specifically stated or limited otherwise, the terms "mounted," "connected," "secured," and "disposed" used in the description of the embodiments of the present application are to be construed broadly. For example, the connection can be a fixed connection, a detachable connection, or an integrated arrangement; it can be a mechanical connection, an electrical connection, or a communication connection; they may be directly connected or indirectly connected through an intermediate; which may be communication within two elements or an interaction of two elements. Specific meanings of the above terms in the embodiments of the present application can be understood by those skilled in the art to which the present application pertains in accordance with specific situations.

It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, the changes and modifications of the embodiments described herein, or the equivalent structure or equivalent process changes made by the contents of the specification and the drawings of the present invention, directly or indirectly apply the above technical solutions to other related technical fields, all included in the protection scope of the present invention.

Claims

1. A driven wheel assembly, comprising:

the driven wheel shaft is provided with a screw hole at the lower end part;

the bearing is sleeved on the driven wheel shaft;

2. A driven wheel assembly as defined in claim 1, wherein: and external threads are arranged on the part of the driven wheel shaft extending out of the waterproof outer cover.

3. A driven wheel assembly as defined in claim 2, wherein: the nut is arranged on the external thread.

4. A driven wheel assembly as defined in claim 1, wherein: the driven wheel shaft is provided with a limiting ring, the bearing is positioned between the limiting ring and the lower end part of the driven wheel shaft, and the limiting ring is positioned between the waterproof outer cover and the tensioning driven wheel bearing sleeve.

5. A driven wheel assembly as defined in claim 4, wherein: the framework oil seal is positioned between the limiting ring and the waterproof inner cover.

6. A driven wheel assembly as defined in claim 1, wherein: and the outer ring end cover and the tensioning driven wheel bearing sleeve are locked through bolts.

7. A driven wheel assembly as defined in claim 1, wherein: the tensioning driven wheel bearing sleeve is characterized by further comprising a sealing ring, and the sealing ring is arranged between the outer ring end cover and the tensioning driven wheel bearing sleeve.