Combined joint bearing
Through the design of combined joint bearings, the combined connection between the semicircular outer ring and the spherical inner ring is solved, and the assembly difficulties in the prior art are achieved, simple assembly and convenient disassembly are achieved, friction is reduced, and the stability of use is improved.
Patent Information
- Application Number
- CN202422295286.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-20
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-09-20
AI Technical Summary
Now it is difficult to assemble joint bearings and are inconvenient to assemble, especially the inner ring requires special stamping equipment to be pressed into the outer ring, resulting in difficulty in combining.
The combined design uses the semicircular outer ring and spherical inner ring that can be detachably connected in the shaft sleeve. The assembly process is simplified by restricting the combination through the spring, and the stable connection is achieved through the staggered distribution of the positioning groove and the socket column. Combined with the design of the lubricating groove and oil inlet hole, it reduces friction.
It realizes simple assembly and convenient disassembly of joint bearings, which facilitates replacement of parts, reduces friction and improves the stability and convenience of the use process.
Smart Images
Figure CN223136719U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bearings, and more specifically, to a combined spherical plain bearing. Background Art
[0002] A spherical plain bearing is a spherical sliding bearing, whose sliding contact surfaces are an inner spherical surface and an outer spherical surface. It can rotate and swing at any angle during movement, and has the characteristics of large load capacity, impact resistance, corrosion resistance, wear resistance, self-aligning, good lubrication, etc.
[0003] Currently, most of the existing spherical plain bearings are usually composed of an inner ring and an outer ring. The inner ring needs to be press-fitted into the outer ring using special stamping equipment, resulting in difficult and inconvenient assembly of the spherical plain bearing. Therefore, the utility model provides a combined spherical plain bearing. Summary of the Utility Model
[0004] 1. Technical Problem to be Solved
[0005] Aiming at the problems existing in the prior art, the purpose of the utility model is to provide a combined spherical plain bearing, aiming to solve the problem that some of the existing spherical plain bearings are usually composed of an inner ring and an outer ring, and the inner ring needs to be press-fitted into the outer ring using special stamping equipment, resulting in difficult and inconvenient assembly of the spherical plain bearing.
[0006] 2. Technical Solution
[0007] To solve the above problems, the utility model adopts the following technical solutions:
[0008] A combined spherical plain bearing includes a bushing. Two semi-circular outer rings are detachably connected inside the bushing. A spherical inner ring is detachably connected inside the two semi-circular outer rings. A snap ring is detachably connected inside the bushing, and the snap ring is located on one side of the two semi-circular outer rings.
[0009] As a preferred solution of the utility model, a clamping groove is formed on the circumferential inner wall of the bushing, and the snap ring is located inside the clamping groove.
[0010] As a preferred solution of the utility model, positioning grooves are formed on the circumferential surfaces of the two semi-circular outer rings. Two positioning protrusions are fixedly connected to the circumferential inner wall of the bushing, and the two positioning grooves respectively match the two positioning protrusions.
[0011] As a preferred solution of the utility model, insertion holes are formed at one end of the two semi-circular outer rings close to each other, and the two insertion holes are staggeredly distributed. Insertion posts are fixedly connected to one end of the two semi-circular outer rings close to each other, and the two insertion posts are staggeredly distributed. The two insertion holes and the two insertion posts are inserted into each other.
[0012] As a preferred embodiment of the present utility model, lubricating grooves are provided between the two semi-circular outer rings and the spherical inner ring, and oil inlet holes are formed in the bushing and are communicated with the lubricating grooves.
[0013] 3. Beneficial effects
[0014] Compared with the prior art, the advantages of the present utility model are as follows:
[0015] (1) In this solution, the two semi-circular outer rings are assembled into the bushing by combinatorially wrapping the spherical inner ring, and the two semi-circular outer rings are restricted by a circlip to realize the combination of the spherical plain bearing. The spherical inner ring does not need to be press-fitted, the assembly process is simple and convenient, and it is also easy to disassemble, facilitating the replacement of components. Description of the drawings
[0016] Figure 1 is the front view of the present utility model;
[0017] Figure 2 is the cross-sectional view of the present utility model;
[0018] Figure 3 is the exploded view of the present utility model.
[0019] Explanation of the reference numerals in the drawings:
[0020] 1. Bushing; 2. Semi-circular outer ring; 3. Spherical inner ring; 4. Card slot; 5. Circlip; 6. Positioning groove; 7. Positioning lug; 8. Insertion hole; 9. Insertion post; 10. Lubricating groove; 11. Oil inlet hole. Specific implementation manners
[0021] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0022] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "top / bottom end", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance.
[0023] In the description of the present utility model, it should be noted that unless otherwise clearly defined and limited, terms such as "installation", "provided with", "sheathed / connected", "connection", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0024] Embodiment:
[0025] Please refer to Figures 1-3 , a combined spherical plain bearing, including a bushing 1, two semi-circular outer rings 2 are detachably connected inside the bushing 1, a spherical inner ring 3 is detachably connected inside the two semi-circular outer rings 2, a snap ring 5 is detachably connected inside the bushing 1, and the snap ring 5 is located on one side of the two semi-circular outer rings 2.
[0026] In this embodiment, the two semi-circular outer rings 2 are assembled to form an annular outer ring to wrap the spherical inner ring 3. The outer spherical surface of the spherical inner ring 3 contacts the inner spherical surface of the annular inner ring formed by the two semi-circular outer rings 2. Then, the two semi-circular outer rings 2 are inserted into the bushing 1, and the two semi-circular outer rings 2 are restricted by the snap connection between the snap ring 5 and the bushing 1, completing the assembly of the entire spherical plain bearing.
[0027] Specifically, a clamping groove 4 is formed on the circumferential inner wall of the bushing 1, and the snap ring 5 is located inside the clamping groove 4.
[0028] In this embodiment, the snap ring 5 is snap-connected to the inside of the bushing 1 through the clamping groove 4 to restrict the two semi-circular outer rings 2, enabling a stable rotational connection between the two semi-circular outer rings 2 and the spherical inner ring 3.
[0029] Specifically, positioning grooves 6 are formed on the circumferential surfaces of the two semi-circular outer rings 2, two positioning protrusions 7 are fixedly connected to the circumferential inner wall of the bushing 1, and the two positioning grooves 6 respectively match the two positioning protrusions 7.
[0030] In this embodiment, after the two semi-circular outer rings 2 are combined and inserted into the bushing 1, they are fixed by the two positioning grooves 6 and the two positioning protrusions 7, forming a complete outer ring with the bushing 1 to ensure the stable rotation of the spherical inner ring 3.
[0031] Specifically, insertion holes 8 are formed at the ends of the two semi-circular outer rings 2 close to each other, and the two insertion holes 8 are staggeredly distributed. Plug posts 9 are fixedly connected to the ends of the two semi-circular outer rings 2 close to each other, and the two plug posts 9 are staggeredly distributed. The two insertion holes 8 and the two plug posts 9 are inserted into each other.
[0032] In this embodiment, the two jacks 8 and the two studs 9 are inserted into each other in a staggered manner, so that the two semi-circular outer rings 2 are assembled to stably wrap the spherical inner ring 3. At the same time, it is convenient to install into the sleeve 1.
[0033] Specifically, a lubricating groove 10 is provided between the two semi-circular outer rings 2 and the spherical inner ring 3. An oil inlet hole 11 is formed in the sleeve 1, and the oil inlet hole 11 communicates with the lubricating groove 10.
[0034] In this embodiment, lubricating oil can be injected into the outer spherical surface of the spherical inner ring 3 and the inner spherical surfaces of the two semi-circular outer rings 2 through the oil inlet hole 11 and the lubricating groove 10, so as to reduce the friction during use.
[0035] Working principle: The two semi-circular outer rings 2 are inserted and assembled with each other through the two jacks 8 and the two studs 9 to form an annular outer ring to wrap the spherical inner ring 3. The outer spherical surface of the spherical inner ring 3 contacts the inner spherical surface of the annular inner ring formed by the two semi-circular outer rings 2. Then, through the two positioning grooves 6 and the two positioning bumps 7 for positioning, the two semi-circular outer rings 2 are stably installed into the sleeve 1. The two semi-circular outer rings 2 and the sleeve 1 form a complete outer ring, enabling the internal spherical inner ring 3 to rotate. Finally, the snap ring 5 is clamped into the sleeve 1 through the clamping groove 4, and the snap ring 5 restricts the two semi-circular outer rings 2 to complete the assembly of the entire spherical plain bearing.
[0036] The above is only the preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution of the present invention and its improved concept, makes equivalent substitutions or changes, and all should be covered by the protection scope of the present invention.
Claims
1. A combined spherical plain bearing, comprising a bushing (1), characterized in that: Two semi-circular outer rings (2) are detachably connected inside the bushing (1), a spherical inner ring (3) is detachably connected inside the two semi-circular outer rings (2), a snap ring (5) is detachably connected inside the bushing (1), and the snap ring (5) is located on one side of the two semi-circular outer rings (2).
2. The combined spherical plain bearing according to claim 1, wherein: A clamping groove (4) is formed in the circumferential inner wall of the bushing (1), and the snap ring (5) is located in the clamping groove (4).
3. The combined spherical plain bearing according to claim 2, wherein: Positioning grooves (6) are formed in the circumferential surfaces of the two semi-circular outer rings (2), two positioning protrusions (7) are fixedly connected to the circumferential inner wall of the bushing (1), and the two positioning grooves (6) are respectively matched with the two positioning protrusions (7).
4. The combined spherical plain bearing according to claim 3, characterized in that: Insertion holes (8) are formed at one ends of the two semi-circular outer rings (2) close to each other, and the two insertion holes (8) are staggeredly distributed. Insertion posts (9) are fixedly connected to one ends of the two semi-circular outer rings (2) close to each other, and the two insertion posts (9) are staggeredly distributed. The two insertion holes (8) and the two insertion posts (9) are inserted into each other.
5. The combined spherical plain bearing according to claim 4, characterized in that: A lubricating groove (10) is arranged between the two semi-circular outer rings (2) and the spherical inner ring (3). An oil inlet hole (11) is formed in the bushing (1), and the oil inlet hole (11) communicates with the lubricating groove (10).