CN214221787U - Joint bearing assembly structure - Google Patents
Joint bearing assembly structure Download PDFInfo
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- CN214221787U CN214221787U CN202022574069.9U CN202022574069U CN214221787U CN 214221787 U CN214221787 U CN 214221787U CN 202022574069 U CN202022574069 U CN 202022574069U CN 214221787 U CN214221787 U CN 214221787U
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Abstract
The utility model discloses a joint bearing assembly structure, which comprises a rod end body, wherein an outer ring body is arranged on the rod end body, an inner ring body is arranged in the outer ring body, and an assembly body is arranged between the inner ring body and the outer ring body; the assembly body is of a sleeve structure, and a locking strip is arranged on the outer edge of the assembly body; the inner edge of the outer ring body is provided with a locking groove; the locking strip is connected with the locking groove in a pressing and clamping manner; wherein, the inner edge of the assembly body is connected with the outer edge of the inner ring body in a semi-surrounding manner along the axial direction. The locking strip is arranged on the outer edge of the assembly body, the locking strip is arranged on the outer ring body in a matched mode to realize rigid locking of the assembly body, the inner ring body is limited in the axial direction in a semi-surrounded mode by the inner edge of the assembly body, the outer ring body, the assembly body and the inner ring body are limited layer by layer, locking is firm, and assembly is convenient and fast.
Description
Technical Field
The utility model belongs to the technical field of joint bearing technique and specifically relates to a joint bearing assembly structure is related to.
Background
The joint bearing is a spherical sliding bearing, the sliding contact surface of which is an inner spherical surface and an outer spherical surface, and can rotate and swing at any angle during movement.
The joint bearing mainly comprises an inner ring body with an outer spherical surface and an outer ring body with an inner spherical surface. The joint bearing is generally used for swinging motion (namely angular motion) with low speed, and can also perform tilting motion (namely aligning motion) within a certain angle range because the sliding surface is spherical, and can still normally work when the concentricity of the supporting shaft and the shaft shell hole is large.
Because the rod end joint bearing needs to bear larger load, the basic joint bearing is embedded into an outer sleeve with a rod end body, the wall thickness of an outer ring needs to be reduced while the overall dimension of the whole rod end joint bearing is ensured, and thus the radial bearing capacity of the rod end joint bearing is reduced, and the condition that the inner ring body is separated from the outer ring body possibly occurs when the joint bearing works.
For example, chinese patent with publication number "CN 204267518U" discloses a "rod end joint bearing", which includes an outer ring with a rod end body, an inner ring is disposed in the outer ring, gaps are respectively disposed on inner sides of two ends of the outer ring, lengths of the gaps correspond to outer diameters of the inner ring, widths of the gaps correspond to thicknesses of the inner ring, the inner ring is placed in the outer ring through the gaps, and the outer ring and the inner ring form a spherical contact with each other.
Although the assembly stability between the inner ring body and the outer ring body is ensured to a certain extent by utilizing the cambered surface structure of the inner edge of the outer ring body, in the actual use process, the structure lacks the rigid constraint on the inner ring body due to the fact that the working condition of the rod end joint bearing is complex, and therefore the separation of the inner ring body cannot be avoided.
Disclosure of Invention
Along with the increase when rod end joint bearing uses length among the prior art to mentioning in the background art, the problem that the inner race body deviates from the outer race body and causes joint bearing inefficacy easily appears, the utility model provides a joint bearing assembly structure through add the rigid locking of assembly body realization to the inner race body between the inner race body and the outer race body, effectively avoids the inner race body to deviate from the outer race body in joint bearing working process, and the locking is firm, and it is convenient to assemble.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a joint bearing assembly structure comprises a rod end body, wherein an outer ring body is arranged on the rod end body, an inner ring body is arranged in the outer ring body, and an assembly body is arranged between the inner ring body and the outer ring body; the assembly body is of a sleeve structure, and a locking strip is arranged on the outer edge of the assembly body; the inner edge of the outer ring body is provided with a locking groove; the locking strip is connected with the locking groove in a pressing and clamping manner; wherein, the inner edge of the assembly body is connected with the outer edge of the inner ring body in a semi-surrounding manner along the axial direction. After the assembly body is installed into the outer ring body, the locking groove in the outer edge of the assembly body is limited and locked through the locking groove in the inner edge of the outer ring body. The inner ring body is limited by the inner edge of the assembly body in a semi-surrounding mode in the axial direction, and when the inner ring body is subjected to outward tensile force and tends to move outwards in the working process of the rod end joint bearing, the locking groove clamped in the locking groove limits the assembly body in the outer ring body, so that the assembly body is prevented from moving out; the inner edge of the assembly body of the semi-surrounding structure limits the inner ring body in the assembly body, so that the inner ring body is prevented from falling off. The outer ring body, the assembly body and the inner ring body are limited layer by layer, so that the assembly stability of the rod end joint bearing is effectively improved.
Preferably, the cross section of the locking groove is of a V-shaped structure, the cross section of the locking strip is of an A-shaped structure, and the locking strip is connected with the locking groove in an inserting mode. The locking strip is of a triangular structure, and after the locking strip is inserted into a locking groove which is of the triangular structure, the relative stability between the locking strip and the locking groove can be guaranteed to the greatest extent, and relative displacement is avoided.
Preferably, the inner ring body is in interference fit with the assembly body, the outer edge of the inner ring body is a first assembly surface, the inner edge of the assembly body is a second assembly surface, and the first assembly surface and the second assembly surface are attached to each other.
After the inner ring body is arranged in the assembly body, the first assembly surface and the second assembly surface cannot be attached by 360 degrees due to the existence of bearing play, so that the stress is still unevenly distributed in the working process of the rod end oscillating bearing, uneven wear occurs between the two assembly surfaces due to the incomplete attachment state, and the service life of the bearing is reduced. Therefore, after the inner ring body is assembled, the inner ring body is pressurized for the second time through the press, and the inner ring body can be transversely compressed and expanded in such a way, so that the gap is eliminated at the position where the first assembling surface is not attached to the second assembling surface originally, and the tight fit is formed; but also the height of the side end face of the inner ring body is slightly lower than that of the side end face of the assembly body, thereby providing a reserved space for the installation of the locking notch layer. The utility model discloses in, the inner circle body pressurizes the inner circle body both sides respectively after the assembly body is packed into to the technical staff to carry out the installation on fore shaft layer after pressurizeing at every turn. When guaranteeing first assembly surface and second assembly surface and accomplish the tight fit, the installation space on fore shaft layer all exists in inner circle body both sides for rod end bearing assembly structure is after accomplishing the assembly, and the outer terminal surface parallel and level of fore shaft layer outer terminal surface and outer circle body. The secondary pressurization effectively improves the assembly compactness between the inner ring body and the outer ring body.
Furthermore, the second assembling surface is of a semi-surrounding structure, and the second assembling surface is concave towards the middle part along two sides along the axial section line of the assembly body. The semi-enclosed arc structure of the second assembling surface can carry out semi-wrapping on the first assembling surface, and when the inner ring body is axially moved outwards, the second assembling surface can wrap the first assembling surface to be limited, so that the central axis of the inner ring body always falls near the central axis of the first assembling surface, and the assembly stability of the inner ring body and the assembly body is guaranteed.
Preferably, the outer ring body is in interference fit with the assembly body, the outer edge of the assembly body is a third assembly surface, the inner edge of the outer ring body is a fourth assembly surface, and the third assembly surface is attached to the fourth assembly surface.
Furthermore, the locking strip is annularly arranged on the third assembling surface, and the locking strip is parallel to the end surface of the assembling body.
Furthermore, at least two locking strips are symmetrically arranged on the third assembling surface, and the locking grooves are arranged corresponding to the locking strips.
The locking strip sets up in assembly body outer fringe, the locking groove is connected through locking strip plug-in card to the assembly body, realizes that the outer lane body is spacing to the assembly body. The locking strip-locking groove structure is symmetrically arranged between the assembly body and the outer ring body, so that load concentration is avoided, and the connection stability between the assembly body and the outer ring body is improved.
Preferably, an annular groove is formed in the end face of the assembly body, and a locking notch layer is arranged in the annular groove. The arrangement of the locking notch layer further ensures the anti-interference performance of the layer-by-layer limiting structure of the outer ring body, the assembly body and the inner ring body. The assembly body is connected through the locking laminated card, the inner ring body wrapped inside the assembly body is fixed in a tail support mode, and the inner ring body is limited between the locking layers on two sides of the outer ring body.
Preferably, the collar layer includes an engagement portion that presses the card-connecting ring groove and a stopper portion that abuts against an inner edge of the outer ring body. The joint part is used for pressing and clamping the joint ring groove in an interference manner, so that the connection between the locking notch layer and the assembly body is stable. The stop part is abutted to the inner edge of the outer ring body, when the inner ring body is subjected to the tensile force in the axial direction, the stop part far away from one side in the tensile force direction is abutted to the outer ring body and provides a reaction force, and the inner ring body is ensured to be communicated with an assembly body wrapped on the inner ring body and not to be separated from the outer ring body, and vice versa.
Preferably, the outer surface of one end, far away from the outer ring body, of the rod end body is provided with an external thread structure, the rod end body is of a hollow structure, and an internal thread structure is arranged on the hollow inner wall of the rod end body. The rod end body provided with the external threads can be connected with various devices provided with threaded holes, such as medical instruments and mechanical devices, and the thread structure can guarantee the connection stability between the rod end joint bearing and the mounting base body. Be provided with the internal thread rod end body and be used for installing on the screw rod of all kinds of equipment, can avoid effectively promoting rod end joint bearing's adaptability and general usefulness to the trompil of equipment.
The utility model has the advantages that: (1) the outer edge of the assembly body is provided with the locking strip which is matched with the locking strip arranged on the outer ring body to realize rigid locking of the assembly body, the inner ring body is limited in the axial direction by the inner edge of the assembly body in a semi-surrounding manner, and the outer ring body, the assembly body and the inner ring body are limited layer by layer, so that the locking is firm and the assembly is convenient; (2) after the inner ring body is assembled, the inner ring body is pressurized for the second time through a press, and the inner ring body is transversely compressed and expanded in such a way, so that gaps are eliminated at positions where the first assembling surface is not attached to the second assembling surface originally, and tight fit is formed; the height of the end surface of the inner ring body is slightly lower than that of the end surface of the assembly body, and a reserved space is provided for the installation of the locking notch layer; (3) the arrangement of the locking layer further ensures the anti-interference performance of the layer-by-layer limiting structure of the outer ring body, the assembly body and the inner ring body; (4) the semi-surrounding arc structure of the second assembly surface can enable the central axis of the inner ring body to always fall near the central axis of the second assembly surface, so that the assembly stability of the inner ring body and the assembly body is guaranteed; (5) the rod end body comprises a male rod end provided with an external thread and a female rod end provided with an internal thread, and adaptability and general applicability of the rod end joint bearing are effectively improved.
Drawings
Fig. 1 is an exploded view of the present invention;
fig. 2 is a front view of the present invention;
FIG. 3 is a partial cross-sectional side view of the present invention;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
in the figure: 1. the rod end body, 2, the outer ring body, 21, the second assembly surface, 22, the locking groove, 23, the fourth assembly surface, 3, the inner ring body, 31, the first assembly surface, 4, the assembly body, 41, the locking strip, 42, the third assembly surface, 43, the ring groove, 5, the locking notch layer, 51, the joint part, 52 and the stopping part.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific embodiments.
Example 1:
a joint bearing assembly structure comprises a rod end body, wherein an outer ring body is arranged on the rod end body, an inner ring body is arranged in the outer ring body, and an assembly body is arranged between the inner ring body and the outer ring body; the assembly body is of a sleeve structure, and a locking strip is arranged on the outer edge of the assembly body; the inner edge of the outer ring body is provided with a locking groove; the locking strip is connected with the locking groove in a pressing and clamping manner; wherein, the inner edge of the assembly body is connected with the outer edge of the inner ring body in a semi-surrounding manner along the axial direction. After the assembly body is installed into the outer ring body, the locking groove in the outer edge of the assembly body is limited and locked through the locking groove in the inner edge of the outer ring body. The inner ring body is limited by the inner edge of the assembly body in a semi-surrounding mode in the axial direction, and when the inner ring body is subjected to outward tensile force and tends to move outwards in the working process of the rod end joint bearing, the locking groove clamped in the locking groove limits the assembly body in the outer ring body, so that the assembly body is prevented from moving out; the inner edge of the assembly body of the semi-surrounding structure limits the inner ring body in the assembly body, so that the inner ring body is prevented from falling off. The outer ring body, the assembly body and the inner ring body are limited layer by layer, so that the assembly stability of the rod end joint bearing is effectively improved. In this embodiment, rod end body 1 and outer circle body 2 formula structure as an organic whole, the utility model discloses a rod end body 1, inner circle body 3 and assembly body 4 processing raw materials select, including but not limited to following material: bearing steel, stainless iron, 40-wire steel, aluminum alloys, copper, and carbon steel. The bearing steel has good hardness and wear resistance, and is commonly used in bearing manufacturing; the stainless steel and the stainless iron have better corrosion resistance, and are suitable for manufacturing rod end joint bearings which are possibly corroded in working environments such as underwater equipment or food industry; the 40-strand steel is widely used as a steel material in the machinery manufacturing industry, has good comprehensive mechanical properties and low notch sensitivity, and can effectively improve the working performance stability and the service life of the rod end knuckle bearing; the aluminum alloy has the characteristics of high strength and good plasticity, is convenient to machine and form and meets the requirement of light weight; the copper rod end joint bearing has the characteristics of good ductility, good fitting degree after assembly and capability of ensuring the operation stability of the bearing; the carbon steel has low cost, and the carbon steel can be used for processing the rod end joint bearing in the application field without special requirements, so that the economic benefit is good. Under the condition of meeting the requirements of basic mechanical property and surface treatment, other materials can be used for processing and manufacturing the rod end joint bearing according to the requirements.
The cross section of locking groove is V type structure, the cross section of locking strip is A type structure, the locking strip is inserted and is closed and connect the locking groove. The locking strip is of a triangular structure, and after the locking strip is inserted into a locking groove which is of the triangular structure, the relative stability between the locking strip and the locking groove can be guaranteed to the greatest extent, and relative displacement is avoided.
The inner ring body is in interference fit with the assembly body, the outer edge of the inner ring body is a first assembly surface, the inner edge of the assembly body is a second assembly surface, and the first assembly surface and the second assembly surface are attached to each other. Furthermore, the second assembling surface is of a semi-surrounding structure, and the second assembling surface is concave towards the middle part along two sides along the axial section line of the assembly body. After the inner ring body is arranged in the assembly body, the first assembly surface and the second assembly surface cannot be attached by 360 degrees due to the existence of bearing play, so that the stress is still unevenly distributed in the working process of the rod end oscillating bearing, uneven wear occurs between the two assembly surfaces due to the incomplete attachment state, and the service life of the bearing is reduced. Therefore, after the inner ring body is assembled, the inner ring body is pressurized for the second time through the press, and the inner ring body can be transversely compressed and expanded in such a way, so that the gap is eliminated at the position where the first assembling surface is not attached to the second assembling surface originally, and the tight fit is formed; but also the height of the side end face of the inner ring body is slightly lower than that of the side end face of the assembly body, thereby providing a reserved space for the installation of the locking notch layer. The utility model discloses in, the inner circle body pressurizes the inner circle body both sides respectively after the assembly body is packed into to the technical staff to carry out the installation on fore shaft layer after pressurizeing at every turn. When guaranteeing first assembly surface and second assembly surface and accomplish the tight fit, the installation space on fore shaft layer all exists in inner circle body both sides for rod end bearing assembly structure is after accomplishing the assembly, and the outer terminal surface parallel and level of fore shaft layer outer terminal surface and outer circle body. The secondary pressurization effectively improves the assembly compactness between the inner ring body and the outer ring body. The semi-enclosed arc structure of the second assembling surface can carry out semi-wrapping on the first assembling surface, and when the inner ring body is axially moved outwards, the second assembling surface can wrap the first assembling surface to be limited, so that the central axis of the inner ring body always falls near the central axis of the first assembling surface, and the assembly stability of the inner ring body and the assembly body is guaranteed.
The outer ring body is in interference fit with the assembly body, the outer edge of the assembly body is a third assembly surface, the inner edge of the outer ring body is a fourth assembly surface, and the third assembly surface is attached to the fourth assembly surface. Furthermore, the locking strip is annularly arranged on the third assembling surface, and the locking strip is parallel to the end surface of the assembling body. Furthermore, at least two locking strips are symmetrically arranged on the third assembling surface, and the locking grooves are arranged corresponding to the locking strips. The locking strip sets up in assembly body outer fringe, the locking groove is connected through locking strip plug-in card to the assembly body, realizes that the outer lane body is spacing to the assembly body. The locking strip-locking groove structure is symmetrically arranged between the assembly body and the outer ring body, so that load concentration is avoided, and the connection stability between the assembly body and the outer ring body is improved.
The end face of the assembly body is provided with a ring groove, and a locking notch layer is arranged in the ring groove. The arrangement of the locking notch layer further ensures the anti-interference performance of the layer-by-layer limiting structure of the outer ring body, the assembly body and the inner ring body. The locking notch layer comprises an engaging part and a stopping part, the engaging part is connected with the clamping ring groove in a pressing mode, and the stopping part abuts against the inner edge of the outer ring body. The assembly body is connected through the locking laminated card, the inner ring body wrapped inside the assembly body is fixed in a tail support mode, and the inner ring body is limited between the locking layers on two sides of the outer ring body. The joint part is used for pressing and clamping the joint ring groove in an interference manner, so that the connection between the locking notch layer and the assembly body is stable. The stop part is abutted to the inner edge of the outer ring body, when the inner ring body is subjected to the tensile force in the axial direction, the stop part far away from one side in the tensile force direction is abutted to the outer ring body and provides a reaction force, and the inner ring body is ensured to be communicated with an assembly body wrapped on the inner ring body and not to be separated from the outer ring body, and vice versa.
The outer ring body is kept away from to the rod end body, and the outer ring body is kept away from to the rod end body, the rod end body is hollow structure, be provided with internal thread structure on the hollow inner wall of rod end body. The rod end body provided with the external threads can be connected with various devices provided with threaded holes, such as medical instruments and mechanical devices, and the thread structure can guarantee the connection stability between the rod end joint bearing and the mounting base body. Be provided with the internal thread rod end body and be used for installing on the screw rod of all kinds of equipment, can avoid effectively promoting rod end joint bearing's adaptability and general usefulness to the trompil of equipment.
The assembly process of the rod end oscillating bearing in the embodiment is as follows: the assembly body is pressed into the outer ring body through the press, so that the third assembly surface is attached to the fourth assembly surface, and the locking strip is connected with the locking groove in an inserting mode. And then the inner ring body 3 is pressed into the middle part of the outer ring body 2, so that the first assembling surface and the second assembling surface are preliminarily matched. Then, the inner ring body 3 is pressurized for the second time, so that the inner ring body 3 generates micro expansion in the assembly body 2, the first assembly surface 31 is ensured to be outward and is extruded and attached to the second assembly surface 21, the clearance between the first assembly surface 31 and the second assembly surface 21 is eliminated, and the assembly tightness of the inner ring body 3 and the outer ring body 2 is improved; after the secondary pressurization on one side of the inner ring body 3 is completed, the side end face of the inner ring body 3 on the side is slightly lower than the side end face of the outer ring body 2; the outer ring body, the assembly body and the inner ring body are rigidly locked, and the anti-interference performance of the structure is further ensured. And finally, repeatedly carrying out the processing steps of secondary pressurization and locking layer 5 setting on the other side of the inner ring body 3, so that the locking limiting structures formed by the locking layers 5 are arranged on the two sides of the inner ring body 3, and the assembly stability between the inner ring body 3 and the assembly body 2 is ensured. The utility model discloses a rod end joint bearing assembly structure of two-sided locking is implementing the back, according to user feedback, can all guarantee better locking effect in axial both sides, effectively promotes rod end joint bearing stability and life in the course of the work.
In addition to the above embodiments, the technical features of the present invention can be re-selected and combined within the scope of the present invention as disclosed in the claims and the specification to constitute new embodiments, which can be realized by those skilled in the art without any creative work, therefore, the embodiments of the present invention not described in detail should be regarded as specific embodiments of the present invention and within the protection scope of the present invention.
Claims (10)
1. A joint bearing assembling structure characterized by comprising:
the device comprises a rod end body, an outer ring body is arranged on the rod end body, an inner ring body is arranged in the outer ring body, and an assembly body is arranged between the inner ring body and the outer ring body;
the assembly body is of a sleeve structure, and a locking strip is arranged on the outer edge of the assembly body;
the inner edge of the outer ring body is provided with a locking groove; the locking strip is connected with the locking groove in a pressing and clamping manner;
wherein, the inner edge of the assembly body is connected with the outer edge of the inner ring body in a semi-surrounding manner along the axial direction.
2. The assembly structure of claim 1, wherein the cross section of the locking groove is a V-shaped structure, the cross section of the locking strip is an a-shaped structure, and the locking strip is inserted into and connected with the locking groove.
3. The assembly structure of claim 1, wherein the inner ring body is in interference fit with the assembly body, an outer edge of the inner ring body is a first assembly surface, an inner edge of the assembly body is a second assembly surface, and the first assembly surface and the second assembly surface are attached to each other.
4. A joint bearing assembly structure according to claim 3, wherein the second assembly surface is a semi-surrounding structure, and the second assembly surface is concave towards the middle along both sides along the section line of the assembly body in the axial direction.
5. The assembly structure of claim 1, wherein the outer ring body is in interference fit with the assembly body, an outer edge of the assembly body is a third assembly surface, an inner edge of the outer ring body is a fourth assembly surface, and the third assembly surface and the fourth assembly surface are attached to each other.
6. The assembly structure of claim 5, wherein the locking strip is disposed on the third assembly surface, and the locking strip is disposed parallel to the end surface of the assembly body.
7. The assembly structure of claim 5, wherein at least two of the locking strips are symmetrically arranged on the third assembly surface, and the locking grooves are arranged corresponding to the locking strips.
8. The joint bearing assembly structure according to any one of claims 1 to 7, wherein an annular groove is provided on an end surface of the assembly body, and a locking notch layer is provided in the annular groove.
9. The assembly structure of claim 8, wherein the collar layer includes an engaging portion that presses against the snap ring groove and a stopper portion that abuts against an inner edge of the outer ring body.
10. The joint bearing assembly structure of claim 1, wherein the rod end body has an external thread structure on an outer surface of an end thereof away from the outer ring body, the rod end body has a hollow structure, and an internal thread structure is provided on a hollow inner wall of the rod end body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022574069.9U CN214221787U (en) | 2020-11-09 | 2020-11-09 | Joint bearing assembly structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022574069.9U CN214221787U (en) | 2020-11-09 | 2020-11-09 | Joint bearing assembly structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214221787U true CN214221787U (en) | 2021-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022574069.9U Active CN214221787U (en) | 2020-11-09 | 2020-11-09 | Joint bearing assembly structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214221787U (en) |
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2020
- 2020-11-09 CN CN202022574069.9U patent/CN214221787U/en active Active
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Address after: 323000 No.12, Pinggu 1st Road, Shuige Industrial Zone, Liandu District, Lishui City, Zhejiang Province Patentee after: Odeke intelligent steering system (Zhejiang) Co.,Ltd. Address before: 323000 No.12, Pinggu 1st Road, Shuige Industrial Zone, Liandu District, Lishui City, Zhejiang Province Patentee before: LISHUI CITY RUIXING BEARINGS Co.,Ltd. |