Rod end knuckle bearing

By designing a connecting cover in the rod end spherical bearing to fit with the stepped hole of the rotating part, the problem of easy detachment of the sealing ring was solved, thereby improving the sealing effect, simplifying manufacturing, and reducing costs.

CN223594720UActive Publication Date: 2025-11-25NINGBO JIEDA AUTO PARTS CO LTD
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Patent Information

Application Number
CN202520018521.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-03
Publication Date
2025-11-25
Estimated Expiration
2035-01-03

AI Technical Summary

Technical Problem

The seals of existing rod end spherical bearings are prone to falling off due to the curved surface structure of the rotating parts, resulting in poor sealing performance. Furthermore, they are complex to manufacture and costly.

Method used

A rod end spherical bearing structure was designed, in which a sealing ring is fitted onto the end of the rotating part by a connecting cover engaging with a stepped hole in the rotating part, and the sealing ring is restricted in position by the squeezing action of the connecting cover to prevent it from falling off.

Benefits of technology

This design achieves a seal that is less prone to falling off, has a simple structure, reduces manufacturing complexity and cost, and improves the product's practicality and economy.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the field of knuckle bearings, in particular to a rod end knuckle bearing which comprises a rod body, the rod body is provided with a handle part and a connecting part, one end of the handle part is connected with the connecting part, the connecting part and the handle part are integrally formed, the center of the connecting part is provided with a first mounting cavity, and the first mounting cavity penetrates through the connecting part; a fixing member; the fixed part is arranged in the first mounting cavity, and the rotating part is rotatably arranged in the fixed part; the two connecting covers are matched with the two ends of the fixed part respectively, meanwhile, the two ends of the rotating part are arranged in the two connecting covers respectively, a sealing ring is arranged in each connecting cover, and the sealing rings are arranged at the ends of the rotating part in a sleeving mode. According to the utility model, the structure configuration is effectively utilized, so that the sealing ring is not easy to fall off, the structure is simple, and the practicability is high.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of joint bearings, and more particularly to a rod end joint bearing. BACKGROUND

[0002] Specifically as Figure 2 shown, the previous sealing ring placement method is directly buckled between the rotating part 30 and the side wall forming the mounting hole 201, but due to the arc surface of the outer wall of the rotating part 30, the sealing ring is buckled on the rotating part 30 by a large support, and due to the problem of the arc surface structure, the sealing ring is more likely to fall out, so the part needs to be improved. Therefore, there is a need to provide a rod end joint bearing with a sealing ring that is not easy to fall off, simple structure and high practicality. SUMMARY

[0003] The main purpose of the present application is to provide a rod end joint bearing, wherein the rod end joint bearing can effectively utilize its own structural configuration to realize the advantages of a sealing ring that is not easy to fall off and simple structure.

[0004] Another object of the present application is to provide a rod end joint bearing, wherein the rod end joint bearing comprises a rod body, a fixing member, a rotating part, and two connecting covers, the rod body has a handle portion and a connecting portion, one end of the handle portion is connected to the connecting portion, and the connecting portion is integrally formed with the handle portion, the center of the connecting portion has a first mounting cavity, the first mounting cavity penetrates through the connecting portion, the fixing member is arranged in the first mounting cavity, and the rotating part is rotatably arranged inside the fixing member, the two ends of the rotating part are arranged in the two connecting covers, respectively, a sealing ring is arranged in each of the two connecting covers, the sealing ring is sleeved on the end of the rotating part, and the position of the sealing ring is limited by the connecting cover.

[0005] Another object of the present application is to provide a rod end joint bearing, wherein the rod end joint bearing is simple in structure and convenient to operate, does not involve complex manufacturing processes and expensive materials, has high economic efficiency, and is easy to popularize and use.

[0006] In order to achieve the above at least one purpose of the application, the present application provides a rod end joint bearing, wherein the rod end joint bearing comprises:

[0007] a rod body, the rod body has a handle portion and a connecting portion, one end of the handle portion is connected to the connecting portion, and the connecting portion is integrally formed with the handle portion, the center of the connecting portion has a first mounting cavity, the first mounting cavity penetrates through the connecting portion;

[0008] a fixed member;

[0009] a rotating member, the fixed member is arranged in the first installation cavity, and the rotating member is rotatably arranged inside the fixed member; and

[0010] two connecting covers, the two connecting covers are respectively matched with two ends of the fixed member, meanwhile, two ends of the rotating member are arranged in the two connecting covers, and a sealing ring is arranged in each of the connecting covers, and the sealing ring is sleeved on the end of the rotating member.

[0011] In one or more embodiments of the present application, the top and bottom of the fixed member are provided with installation holes, meanwhile, two ends of the rotating member matched with the fixed member are respectively penetrated through the two installation holes and placed outside, and the two connecting covers are respectively threadedly connected with the two installation holes.

[0012] In one or more embodiments of the present application, the center of the fixed member is further provided with a second installation cavity, two ends of the second installation cavity are respectively communicated with the two installation holes, and the rotating member is rotatably arranged in the second installation cavity.

[0013] In one or more embodiments of the present application, the outer wall of the fixed member is provided with at least a first positioning hole, the first positioning hole is communicated with the second installation cavity, in addition, the outer wall of the rotating member is provided with two second positioning holes, and the two first positioning holes correspond to the two second positioning holes.

[0014] In one or more embodiments of the present application, the center of the rotating member is further provided with a matching hole, the matching hole penetrates through the rotating member, the second positioning hole is further communicated with the matching hole, in addition, the middle section of the wall surface forming the matching hole is further provided with an annular positioning groove, and the second positioning hole is located in the annular positioning groove.

[0015] In one or more embodiments of the present application, one end of the two connecting covers close to each other is provided with a stepped hole, and the large end of the stepped hole faces the rotating member, and the small end of the stepped hole faces away from the rotating member, and the end of the rotating member is placed in the stepped hole.

[0016] In one or more embodiments of the present application, the sealing ring is placed in the large end of the stepped hole. BRIEF DESCRIPTION OF DRAWINGS

[0017] These and / or other aspects and advantages of the present application will become more apparent and more readily appreciated from the following detailed description of the embodiments of the present application, taken in conjunction with the accompanying drawings in which:

[0018] Figure 1 FIG. 1 shows a cross-sectional structure schematic diagram of a rod end joint bearing.

[0019] Figure 2 Fig. 1 is a schematic view of a rod end joint bearing according to a preferred embodiment of the present application. DETAILED DESCRIPTION

[0020] The terms and words used in the following description and claims are not limited to the bibliographical meanings, but are merely used to enable a clear and complete understanding of the application by those skilled in the art. Accordingly, it should be apparent to those skilled in the art that the following description of various embodiments of the present application is provided for illustration purpose only and not for the purpose of limiting the application as defined by the appended claims and their equivalents.

[0021] It is to be understood that the term "one", "said one" or "this one" is to be understood as "at least one" or "one or more" such that in one embodiment the number of one element can be one and in another embodiment the number of this element can be more than one, the term "one" is not to be understood as a limitation of the number.

[0022] Although ordinal numbers such as "first", "second" and the like will be used in describing various components, those components are not limited by the ordinal numbers. The ordinal numbers are used merely for distinguishing one component from another component. For example, a first component could be termed a second component and, similarly, a second component could be termed a first component without departing from the teachings of the present inventive concept. The term "and / or" as used herein comprises any and all combinations of one or more of the associated listed items.

[0023] The terms used in the present application are merely used to describe various embodiments and are not intended to limit the application. As used herein, the singular form is intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "has", when used in this specification, specify the presence of stated features, numbers, steps, operations, components, elements, or a combination thereof, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, components, elements, or groups thereof.

[0024] Reference Figures 1 to 2 , according to a preferred embodiment of the present application, it is to be noted that the structure of the rod end joint bearing is as shown in Figure 1 , that is, the rod end joint bearing comprises a rod body 10, the rod body 10 has a handle portion 11 and a connecting portion 12, one end of the handle portion 11 is connected with the connecting portion 12, and the connecting portion 12 is integrally formed with the handle portion 11, and in addition, it is to be noted that the center of the connecting portion 12 has a first mounting cavity 1201, the first mounting cavity 1201 penetrates through the connecting portion 12.

[0025] Specifically, the rod end joint bearing further comprises a fixed part 20 and a rotating part 30, the fixed part 20 is arranged in the first mounting cavity 1201, and the rotating part 30 is rotatably arranged in the interior of the fixed part 20. It is worth mentioning that the top and bottom of the fixed part 20 are both provided with a mounting hole 201, and the two ends of the rotating part 30 matched with the fixed part 20 respectively pass through the two mounting holes 201 and are arranged outside. Specifically, the thickness of the rotating part 30 is greater than the thickness of the connecting part 12.

[0026] Among them, the center of the fixed part 20 is further provided with a second mounting cavity 202, the two ends of the second mounting cavity 202 are respectively communicated with the two mounting holes 201, and the rotating part 30 is rotatably arranged in the second mounting cavity 202.

[0027] Further, the outer wall of the fixed part 20 is provided with at least a first positioning hole 203, the first positioning hole 203 is communicated with the second mounting cavity 202, in addition, the outer wall of the rotating part 30 is provided with two second positioning holes 301, and the two first positioning holes 203 and the two second positioning holes 301 correspond one by one, that is, the rotating part 30 can adjust the position by rotating, so that the second positioning hole 301 corresponds to the corresponding first positioning hole 203. It should be noted that the above-mentioned first positioning hole 203 and second positioning hole 301 can be matched with external pins, that is, when the rotating part 30 is pressed into the second mounting cavity 202 by the external stamping device, in order to facilitate the subsequent placement and packaging, it is necessary to limit the position of the rotating part 30, at this time the end of the external pin is sequentially inserted into the first positioning hole 203 and the second positioning hole 301 to limit the position of the rotating part 30, and it should be noted that the center of the rotating part 30 is further provided with a matching hole 302, the matching hole 302 penetrates the rotating part 30, and the end of the external pin is further arranged in the matching hole 302, in addition, the end of the external pin arranged in the matching hole 302 is pressed to disassemble the external pin. It is worth mentioning that the second positioning hole 301 is also communicated with the matching hole 302, in addition, the middle section of the wall surface forming the matching hole 302 is further provided with an annular positioning groove 303, and the second positioning hole 301 is located in the annular positioning groove 303, wherein those skilled in the art should understand that the external rod can be matched with the matching hole 302, specifically, the external rod can be inserted into the matching hole 302 by reducing the temperature of the external rod, and the end of the external rod arranged in the matching hole 302 can be provided with an annular protrusion, so that the annular protrusion can be matched with the above-mentioned annular positioning groove 303 by thermal expansion and cold contraction, to limit the position of the external rod.

[0028] It is worth mentioning that the two mounting holes 201 are spaced from the outer wall of the rotating part 30, i.e. a gap can place a sealing ring, and it is worth mentioning that the previous sealing ring placement method of our company is placed between the rotating part 30 and the side wall forming the mounting hole 201 through direct buckling, but due to the arc surface of the outer wall of the rotating part 30, the sealing ring is buckled on the rotating part 30 by a large supporting part, and therefore due to the problem of the arc surface structure, the sealing ring is more likely to fall out, and therefore the part needs to be improved.

[0029] Specifically, the rod end joint bearing further comprises two connecting covers 40, the two connecting covers 40 are respectively screwed with the two mounting holes 201, and the two ends of the rotating part 30 are respectively sleeved in the connecting covers 40. That is, the two connecting covers 40 each have a stepped hole 401 at the end close to each other, and the large end of the stepped hole 401 faces the rotating part 30, and the small end faces away from the rotating part 30, and the end of the rotating part 30 is placed in the stepped hole 401, and in addition, a sealing ring 50 is arranged at the large end of the stepped hole 401, when the connecting cover 40 cooperates with the corresponding mounting hole 201, the outer wall of the rotating part 30 will extrude the inner side of the sealing ring 50, so that the sealing ring 50 will be deformed towards the small end of the stepped hole 401, that is, the sealing ring 50 is extruded and limited by the stepped hole 401 and the rotating part 30, and compared with the previous mounting method, the sealing ring 50 will not fall off.

[0030] In summary, the rod end joint bearing based on the embodiment of the present application is illustrated, which has the advantages of not easy to fall off of the sealing ring, simple structure, high practicability and the like.

[0031] It is worth mentioning that in the embodiment of the present application, the rod end joint bearing structure is simple, does not involve complex manufacturing process and expensive materials, and has high economy. At the same time, for the manufacturer, the rod end joint bearing provided by the present application is easy to produce and has low cost, which is more conducive to controlling the production cost, and further conducive to product promotion and use.

[0032] Those skilled in the art should understand that the embodiments of the utility model shown in the above description and the drawings are only as examples and do not limit the utility model. The purpose of the utility model has been completely and effectively realized. The function and structure principle of the utility model has been shown and explained in the embodiments, and the implementation of the utility model can be any deformation or modification without departing from the principle.

Claims

1. A rod end joint bearing, characterized in that, The rod end joint bearing comprises: a rod body having a handle and a connecting part, one end of the handle being connected to the connecting part, the connecting part being integrally formed with the handle, the center of the connecting part having a first installation cavity penetrating through the connecting part; a fixing member; a rotating member, the fixing member being arranged in the first installation cavity, and the rotating member being rotatably arranged inside the fixing member; and two connecting covers, the two connecting covers being respectively matched with the two ends of the fixing member, the two ends of the rotating member being respectively arranged in the two connecting covers, and each of the connecting covers being provided with a sealing ring sleeved on the end of the rotating member.

2. The rod end joint bearing according to claim 1, wherein the top and bottom of the fixing member are respectively provided with an installation hole, the two ends of the rotating member matched with the fixing member are respectively arranged in the two installation holes and placed outside, and the two connecting covers are respectively threadedly connected with the two installation holes.

3. The rod end joint bearing according to claim 2, wherein the center of the fixing member is further provided with a second installation cavity, the two ends of the second installation cavity being respectively communicated with the two installation holes, and the rotating member is rotatably arranged in the second installation cavity.

4. The rod end joint bearing according to claim 3, wherein the outer wall of the fixing member is provided with at least a first positioning hole communicated with the second installation cavity, and the outer wall of the rotating member is further provided with two second positioning holes, the two first positioning holes and the two second positioning holes being one-to-one corresponding.

5. The rod end joint bearing according to claim 4, wherein the center of the rotating member is further provided with a matching hole penetrating through the rotating member, the second positioning hole being further communicated with the matching hole, and the middle section of the wall surface forming the matching hole is further provided with an annular positioning groove, the second positioning hole being arranged in the annular positioning groove.

6. The rod end joint bearing according to claim 5, wherein the end of the two connecting covers close to each other is provided with a stepped hole, the large end of the stepped hole being directed to the rotating member, and the small end of the stepped hole being away from the rotating member, and the end of the rotating member being arranged in the stepped hole.

7. The rod end joint bearing according to claim 6, wherein the sealing ring is arranged in the large end of the stepped hole.