Dustproof tapered roller bearing

Abstract

The utility model provides a dustproof tapered roller bearing, which belongs to the technical field of bearings and comprises a bearing, an outer ring, an inner ring sleeved on the inner surface of the outer ring and a retainer fixedly mounted on the outer surface of the outer ring. The dustproof mechanism comprises a sealing plate clamped to the outer surface of the outer ring, a limiting hole formed in the outer surface of the sealing plate, a clamping groove formed in the outer surface of the sealing plate and used in cooperation with the retainer, a locking assembly arranged on the inner surface of the sealing plate, and a releasing assembly used in cooperation with the locking assembly. Through mutual cooperation of all parts of the dustproof mechanism, effective dustproof protection of the bearing is achieved, the spring is arranged in a sealed environment, the spring is prevented from being directly exposed in the air for a long time, the problems that the spring rusts and loses efficacy due to moisture in the air are effectively solved, and the service life of the bearing is prolonged. The durability of the spring and the reliability of the whole dustproof mechanism are improved, and it is ensured that the bearing can stably operate in a more harsh environment.

Description

Technical Field

[0001] This utility model belongs to the field of bearing technology, specifically relating to a dustproof tapered roller bearing. Background Technology

[0002] Dustproof tapered roller bearings are a special type of bearing designed primarily for use in mechanical components that require the bearing to withstand large radial and axial loads. The main components of this type of bearing include an inner ring, an outer ring, rolling elements (i.e., tapered rollers), and a cage. The "dustproof" characteristic refers to the fact that these bearings are usually equipped with special sealing devices or protective covers that effectively prevent external dust, moisture, and other contaminants from entering the bearing, thereby protecting the rolling elements from damage, ensuring their normal operation, and extending their service life.

[0003] Document CN221257414U discloses a dustproof tapered roller bearing, comprising an outer ring, an inner ring fitted inside the outer ring, a sealing plate snapped onto the outer ring, a mounting plate connected to the sealing plate, a column connected to the outer ring, a retaining ring connected to the inner ring, a cage fitted inside the outer ring, tapered rollers disposed within the cage, a groove formed on the outer side of the column, a rotating rod rotatably connected to the mounting plate, a rotating plate connected to the outside of the rotating rod, and a spring fitted around the rotating rod.

[0004] However, in actual applications, although the comparison document can prevent dust from entering the bearing, the comparison document uses a spring design for limiting the movement. The spring is exposed to the air, and long-term exposure may cause rust due to moisture in the air, leading to spring failure. Utility Model Content

[0005] The purpose of this invention is to provide a dustproof tapered roller bearing, which aims to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A dustproof tapered roller bearing, comprising

[0008] The bearing includes an outer ring, an inner ring fitted on the inner surface of the outer ring, a retainer fixedly connected to the outer surface of the inner ring and having a retaining ring attached thereto, a cage fixedly mounted on the outer surface of the outer ring, and tapered rollers disposed on the inner surface of the cage.

[0009] The dustproof mechanism includes a sealing plate that snaps onto the outer surface of the outer ring, a limiting hole formed on the outer surface of the sealing plate, a slot formed on the outer surface of the sealing plate and used in conjunction with the retainer, a locking component provided on the inner surface of the sealing plate, and a release component used in conjunction with the locking component.

[0010] In a preferred embodiment of this utility model, the outer surface of the retainer is fitted with the inner surface of the slot, and the sealing plate is fitted with the outer surface of the outer ring.

[0011] As a preferred embodiment of this utility model, the locking assembly includes a fixing post fixedly installed on the outer surface of the outer ring, an installation groove formed on the inner surface of the fixing post, a plurality of limiting blocks disposed on the inner surface of the fixing post and used in conjunction with the installation groove, and a spring block fixedly installed on the outer end face of the limiting block.

[0012] In a preferred embodiment of this utility model, the outer surface of the fixing post contacts the inner surface of the limiting hole, and the mounting groove includes an insertion end and a locking end, wherein the insertion end and the locking end are connected.

[0013] In a preferred embodiment of this utility model, the outer surface of the spring block is in rotatable contact with the inner surface of the fixed column, and the end face of the spring block is in elastic contact with the inner surface of the fixed column.

[0014] As a preferred embodiment of this utility model, the release assembly includes a fixing plate fixedly installed on the outer surface of the spring block, a spring fixedly connected to the outer surface of the fixing plate, a sleeve fixedly installed on the outer surface of the fixing plate, a pressure block fixedly installed on the outer surface of the sleeve, and a pressure plate fixedly installed on the outer surface of the fixing plate.

[0015] In a preferred embodiment of this utility model, the other end of the spring is fixedly connected to the inner surface of the sleeve, the inner surface of the pressure block is fixedly connected to the outer end face of the spring block, and the outer surface of the pressure plate is in contact with the outer surface of the sealing plate.

[0016] Compared with the prior art, the beneficial effects of this utility model are: through the cooperation of the various components of the dustproof mechanism, not only is effective dust protection for the bearing achieved, but also by embedding the spring in a sealed environment, it avoids long-term direct exposure to the air, effectively preventing the spring from rusting and failing due to moisture in the air, improving the durability of the spring and the reliability of the entire dustproof mechanism, and ensuring that the bearing can operate stably in more severe environments. Attached Figure Description

[0017] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort. Among them:

[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0019] Figure 2 This is a structural schematic diagram of the cross-section of the sealing plate of this utility model;

[0020] Figure 3 This is a schematic diagram of the internal structure of the sleeve and pressure block of this utility model;

[0021] Figure 4 This is a schematic diagram of the internal structure of the fixing column of this utility model.

[0022] In the diagram: 100, bearing; 101, outer ring; 102, inner ring; 103, retaining ring; 104, cage; 105, tapered rollers; 200, dustproof mechanism; 201, sealing plate; 202, limiting hole; 203, retaining groove; 204, locking assembly; 204a, fixing post; 204b, mounting groove; 204b-1, insertion end; 204b-2, locking end; 204c, limiting block; 204d, spring block; 205, release assembly; 205a, fixing plate; 205b, spring; 205c, sleeve; 205d, pressure block; 205e, pressure plate. Detailed Implementation

[0023] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0024] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0025] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0026] Example

[0027] Reference Figures 1-4 This is an embodiment of the present invention, which provides a dustproof tapered roller bearing, comprising:

[0028] The bearing 100 includes an outer ring 101, an inner ring 102 fitted on the inner surface of the outer ring 101, a retainer 103 fixedly connected to the outer surface of the inner ring 102 and connected thereto, a cage 104 fixedly installed on the outer surface of the outer ring 101, and tapered rollers 105 disposed on the inner surface of the cage 104.

[0029] The dustproof mechanism 200 includes a sealing plate 201 that is snapped onto the outer surface of the outer ring 101, a limiting hole 202 that is opened on the outer surface of the sealing plate 201, a slot 203 that is opened on the outer surface of the sealing plate 201 and used in conjunction with the retainer 104, a locking component 204 that is provided on the inner surface of the sealing plate 201, and a release component 205 that is used in conjunction with the locking component 204.

[0030] Specifically, the outer surface of the retainer 104 is in contact with the inner surface of the slot 203, and the sealing plate 201 is in contact with the outer surface of the outer ring 101.

[0031] Furthermore, the locking assembly 204 includes a fixing post 204a fixedly installed on the outer surface of the outer ring 101, a mounting groove 204b formed on the inner surface of the fixing post 204a, a plurality of limiting blocks 204c disposed on the inner surface of the fixing post 204a and used in conjunction with the mounting groove 204b, and a spring block 204d fixedly installed on the outer end face of the limiting block 204c.

[0032] Furthermore, the outer surface of the fixing post 204a contacts the inner surface of the limiting hole 202, and the mounting groove 204b includes an insertion end 204b-1 and a locking end 204b-2, which are connected.

[0033] Specifically, by rotating the spring block 204d, the limiting block 204c slides on the inner surfaces of the insertion end 204b-1 and the locking end 204b-2, thereby achieving locking and releasing.

[0034] Furthermore, the outer surface of the spring block 204d is in rotational contact with the inner surface of the fixed post 204a, and the end face of the spring block 204d is in elastic contact with the inner surface of the fixed post 204a.

[0035] Preferably, the release assembly 205 includes a fixing plate 205a fixedly mounted on the outer surface of the spring block 204d, a spring 205b fixedly connected to the outer surface of the fixing plate 205a, a sleeve 205c fixedly mounted on the outer surface of the fixing plate 205a, a pressure block 205d fixedly mounted on the outer surface of the sleeve 205c, and a pressure plate 205e fixedly mounted on the outer surface of the fixing plate 205a.

[0036] The outer surface of the pressure plate 205e is fixedly connected with an anti-slip pad, which can ensure a tight fit between the pressure plate 205e and the sealing plate 201, enhance the friction between the two, and prevent positional displacement caused by vibration or other external forces.

[0037] It should be noted that the other end of the spring 205b is fixedly connected to the inner surface of the sleeve 205c, the inner surface of the pressure block 205d is fixedly connected to the outer end face of the spring block 204d, and the outer surface of the pressure plate 205e is in contact with the outer surface of the sealing plate 201.

[0038] In this process, by pressing the pressure block 205d, pressure is applied to the spring 205b. The pressure block 205d drives the spring block 204d and the limiting block 204c to slide in from the insertion end 204b-1. By rotating the pressure block 205d, the limiting block 204c rotates to the locking end 204b-2, and the locking is completed by the force of the spring 205b.

[0039] In use, the sealing plate 201 is snapped onto the outer ring 101, so that the sealing plate 201 and the outer ring 101 are in contact, the slot 203 is in contact with the cage 104, and the limiting hole 202 is in contact with the fixing post 204a, thus sealing the bearing 100. The pressure block 205d is manually lifted, and the pressure block 205d drives the sleeve 205c, spring 205b, fixing plate 205a, spring block 204d, limiting block 204c and pressure plate 205e to move simultaneously. Then, the limiting block 204c is aligned with the mounting groove 204b opened in the fixing post 204a, and the limiting block 204c moves to the insertion end 204b-1. The pressure plate 205e is in contact with the sealing plate 201, and the pressure block 205e is in contact with the outer ring 101. When 5d is pressed down, the pressure block 205d drives the spring block 204d to move, and the spring block 204d drives the limit block 204c to move. At the same time, during the pressing process of the pressure block 205d, pressure is applied to the spring 205b, causing the spring 205b to stretch. Then, the pressure block 205d is manually rotated, and the pressure block 205d drives the spring block 204d to rotate. The spring block 204d drives the limit block 204c to rotate, causing the limit block 204c to move into the locking end 204b-2. When the pressure block 205d is released, the spring 205b is released and drives the fixing plate 205a to move. The fixing plate 205a drives the spring block 204d to move, so that the limit block 204c and the locking end 204b-2 are locked.

[0040] In summary, through the cooperation of the various components of the dustproof mechanism 200, not only is effective dust protection for the bearing 100 achieved, but also by embedding the spring 205b in a sealed environment, it avoids long-term direct exposure to air, effectively preventing the spring 205b from rusting and failing due to moisture in the air, improving the durability of the spring 205b and the reliability of the entire dustproof mechanism 200, and ensuring that the bearing 100 can operate stably in more severe environments.

[0041] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., changes in the size, dimensions, structure, shape and proportion of various elements, as well as parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application). For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Therefore, all such modifications are intended to be included within the scope of this utility model. The order or sequence of any process or method steps may be changed or rearranged according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and not only structural equivalents but also equivalent structures. Without departing from the scope of this invention, other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments. Therefore, this invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.

[0042] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the best mode of carrying out the present invention as currently considered, or those features that are not relevant to implementing the present invention) may be omitted.

[0043] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those skilled in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.

[0044] It should be noted that the above embodiments are only used to illustrate the technical solution of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solution of this utility model without departing from the spirit and scope of the technical solution of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A dust-proof conical roller bearing, characterized by: Including, The bearing (100) comprises an outer ring (101), an inner ring (102) sleeved on the inner surface of the outer ring (101), a clamping ring (103) fixedly connected to the outer surface of the inner ring (102), a retainer (104) fixedly installed on the outer surface of the outer ring (101), and a conical roller body (105) arranged on the inner surface of the retainer (104); The dustproof mechanism (200) comprises a sealing plate (201) clamped on the outer surface of the outer ring (101), a limiting hole (202) opened on the outer surface of the sealing plate (201), a clamping groove (203) opened on the outer surface of the sealing plate (201) and matched with the retainer (104), a locking assembly (204) arranged on the inner surface of the sealing plate (201), and a release assembly (205) matched with the locking assembly (204).

2. A dust-proof conical roller bearing according to claim 1, characterized in that: The outer surface of the retainer (104) is matched with the inner surface of the clamping groove (203), and the sealing plate (201) is matched with the outer surface of the outer ring (101).

3. A dust-proof conical roller bearing according to claim 2, characterized in that: The locking assembly (204) comprises a fixed column (204a) fixedly installed on the outer surface of the outer ring (101), a mounting groove (204b) opened on the inner surface of the fixed column (204a), a plurality of limiting blocks (204c) arranged on the inner surface of the fixed column (204a) and matched with the mounting groove (204b), and an elastic block (204d) fixedly installed on the outer end surface of the limiting block (204c).

4. A dust-proof conical roller bearing according to claim 3, characterized in that: The outer surface of the fixed column (204a) is in contact with the inner surface of the limiting hole (202), the mounting groove (204b) comprises an insertion end (204b-1) and a locking end (204b-2), and the insertion end (204b-1) and the locking end (204b-2) are in communication structure.

5. A dust-proof conical roller bearing according to claim 4, characterized in that: The outer surface of the elastic block (204d) is in rotational contact with the inner surface of the fixed column (204a), and the end surface of the elastic block (204d) is in elastic contact with the inner surface of the fixed column (204a).

6. A dust-proof conical roller bearing according to claim 5, characterized in that: The release assembly (205) comprises a fixed sheet (205a) fixedly installed on the outer surface of the elastic block (204d), a spring (205b) fixedly connected to the outer surface of the fixed sheet (205a), a sleeve (205c) fixedly installed on the outer surface of the fixed sheet (205a), a pressing block (205d) fixedly installed on the outer surface of the sleeve (205c), and a pressing sheet (205e) fixedly installed on the outer surface of the fixed sheet (205a).

7. A dust-proof conical roller bearing according to claim 6, characterized in that: The other end of the spring (205b) is fixedly connected to the inner surface of the sleeve (205c), the inner surface of the pressing block (205d) is fixedly connected to the outer end surface of the elastic block (204d), and the outer surface of the pressing sheet (205e) is matched with the outer surface of the sealing plate (201).

Images