CN213511650U - Rod end joint bearing with two ends sealed - Google Patents
Rod end joint bearing with two ends sealed Download PDFInfo
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- CN213511650U CN213511650U CN202022661341.7U CN202022661341U CN213511650U CN 213511650 U CN213511650 U CN 213511650U CN 202022661341 U CN202022661341 U CN 202022661341U CN 213511650 U CN213511650 U CN 213511650U
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Abstract
The utility model provides a rod end joint bearing with two sealed ends, which comprises a rod end body, a first sealing element, a self-lubricating gasket, a centripetal joint bearing and a second sealing element, wherein a first accommodating space is arranged on the rod end body, the centripetal joint bearing runs through the first accommodating space and is movably matched with the rod end body, the first sealing element and the second sealing element are respectively sheathed on the rod end body and are respectively arranged at two ends of the centripetal joint bearing, the utility model adopts the surface treatment of ceramic plating on the inner ring surface of a friction pair of the rod end joint bearing and the self-lubricating gasket pasted on the outer ring of the friction pair of the rod end joint bearing to rub and seal through an external sealing lip, so that the movable space becomes a closed space, the sealing effect is improved, the friction pair can be prevented from being polluted or entering impurities, and the defects of the prior art are solved, high reliability and long service life.
Description
Technical Field
The utility model relates to a bearing technology field specifically, relates to a both ends area sealed rod end joint bearing.
Background
The existing oil seal structure has multiple types, such as a bonding structure, an assembly structure and the like, and a proper sealing structure is selected according to different use scenes.
The conventional self-lubricating spherical plain bearing is generally composed of an inner ring and an outer ring. With the development of the aviation industry, conventional bearing structures have not been suitable for some special parts, especially some unconventional parts, such as control systems, regulating systems, etc. Therefore, in order to meet the user's specific installation site requirements, the structure of the bearing needs to be redesigned. In addition, the conventional self-lubricating knuckle bearing is made of 05Cr17Ni4Cu4Nb, the antirust performance of the conventional self-lubricating knuckle bearing cannot meet the requirements in special environments such as a 96h environment and the like, and the service life of the knuckle bearing is low due to the fact that the conventional self-lubricating knuckle bearing is poor in sealing performance and cannot meet actual requirements, so that a new structure needs to be designed to meet the actual requirements.
Patent document CN205145476U discloses a rod end joint bearing, this rod end joint bearing rope skipping includes wire rope, the handle, rod end joint bearing and is used for adjusting the adjusting device of wire rope's length, adjusting device includes adjusting slide and adjusting screw, the adjusting slide cover is established on wire rope, adjusting screw and adjusting slide are connected, rod end joint bearing includes connecting portion, ring portion and spheroid portion, the one end and the handle of connecting portion rotate to be connected, the other end is connected with ring portion, spheroid portion swivelling joint is in ring portion, spheroid portion is provided with the through-hole, wire rope can pass the through-hole, but this structure still can not satisfy sealing performance under the special environment.
SUMMERY OF THE UTILITY MODEL
To the defect among the prior art, the utility model aims at providing a both ends area is sealed rod end joint bearing.
According to the utility model provides a rod end joint bearing with seals at two ends, which comprises a rod end body, a first sealing element, a self-lubricating gasket, a radial joint bearing and a second sealing element;
the rod end body is provided with a first accommodating space, and the radial spherical plain bearing penetrates through the first accommodating space and is movably matched with the rod end body;
the first sealing element and the second sealing element are respectively sleeved on the rod end body and are respectively arranged at two ends of the radial spherical plain bearing;
self-lubricating gaskets are respectively arranged between the two ends of the radial spherical plain bearing and the rod end body.
Preferably, the first sealing element and the second sealing element are both nitrile rubber sealing rings.
Preferably, the structure of the spring steel framework is embedded in the nitrile rubber sealing ring.
Preferably, said self-lubricating liner is bonded to said rod end body.
Preferably, a sealing lip extends from each of the first and second sealing members toward a side of the radial spherical plain bearing.
Preferably, the sealing lip is arranged at an angle of 30 ° to the axial direction of the rod end body.
Preferably, a ceramic layer is arranged on the radial spherical plain bearing, and the ceramic layer is arranged between the radial spherical plain bearing and the self-lubricating liner.
Preferably, a movable space is formed between the rod end body and the radial spherical plain bearing, and the movable space forms a closed space through the first sealing element and the second sealing element.
Preferably, the self-lubricating liner is made of a polytetrafluoroethylene material.
According to the utility model provides a rod end joint bearing with seals at two ends, which comprises a rod end body, a first sealing element, a self-lubricating gasket, a radial joint bearing and a second sealing element;
the rod end body is provided with a first accommodating space, and the radial spherical plain bearing penetrates through the first accommodating space and is movably matched with the rod end body;
the first sealing element and the second sealing element are respectively sleeved on the rod end body and are respectively arranged at two ends of the radial spherical plain bearing;
self-lubricating gaskets are respectively arranged between the two ends of the radial spherical plain bearing and the rod end body;
the first sealing element and the second sealing element are both nitrile rubber sealing rings;
the structure of a spring steel framework is embedded in the nitrile rubber sealing ring;
the self-lubricating liner is bonded to the rod end body;
sealing lips extend from one sides of the first sealing element and the second sealing element, which face the radial spherical plain bearing respectively;
the radial spherical plain bearing is provided with a ceramic layer, and the ceramic layer is arranged between the radial spherical plain bearing and the self-lubricating liner;
a movable space is formed between the rod end body and the radial spherical plain bearing, and the movable space forms a closed space through the first sealing element and the second sealing element;
the self-lubricating liner is made of a polytetrafluoroethylene material.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the utility model discloses a select suitable bearing ring material and sealing material, optimize bearing structure and sealing washer structure and obtain having the fine rod end joint bearing of self sealss, the vice rod end joint bearing surface of inner circle friction adopts the self-lubricating liner of plating pottery's surface treatment and the vice rod end body of outer lane friction paste to rub and seal through outside seal lip, make the activity space become airtight space, sealing effect has been improved, effectively realized preventing that the friction is vice to receive pollution or impurity entering, anti-rust performance can satisfy the demand under the 96h environment, and the reliability is high, and is long-lived.
2. The utility model discloses an adopt butadiene-acrylonitrile rubber or polytetrafluoroethylene as the rubber body and the spring steel skeleton combined seal structure of sealing washer, have resistant oil, ageing-resistant, corrosion-resistant, characteristics such as wear-resisting.
3. The utility model discloses can be applied to multiple adoption rod end joint bearing's equipment, can realize accomplishing necessary action through adopting joint bearing, and can guarantee the sealed of the motion face that joint bearing contacted, the range of application is extensive, and the practicality is strong.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is a schematic structural diagram of the present invention.
The figures show that:
rod end body 1 radial spherical plain bearing 4
Self-lubricating liner 3 sealing lip 6
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
The utility model provides a both ends area sealed rod end joint bearing, as shown in figure 1, including the rod end body 1, first sealing member 2, self-lubricating liner 3, radial joint bearing 4 and second sealing member 5, be provided with first accommodation space on the rod end body 1, radial joint bearing 4 runs through first accommodation space and with 1 clearance fit of rod end body, first sealing member 2, second sealing member 5 suit respectively are in just set up respectively on the rod end body 1 the both ends of radial joint bearing 4, be provided with self-lubricating liner 3 between radial joint bearing 4's both ends and the rod end body 1 respectively, in a preferred example, self-lubricating liner 3 is pasted on the radial joint bearing 4.
The utility model discloses the both ends of well entad spherical plain bearing 4's outer lane are provided with the turn-ups groove and are used for the bearing to pack into 1 after-fixing of pole end body entad spherical plain bearing 4.
Specifically, in a preferred embodiment, the first sealing member 2 and the second sealing member 5 both use nitrile rubber sealing rings, and in a variation, the first sealing member 2 and the second sealing member 5 both use polytetrafluoroethylene sealing rings.
In practical application, the structure of the spring steel skeleton is embedded in the nitrile rubber sealing ring or the polytetrafluoroethylene sealing ring so as to increase the strength of the sealing ring and meet the requirements of specific friction torque and protection of inner and outer ring friction pairs. In a preferred embodiment, the spring steel skeleton is connected with the nitrile rubber sealing ring or the polytetrafluoroethylene sealing ring in a bonding mode.
Specifically, form the activity space between the pole end body 1 and the radial spherical plain bearing 4, can adapt to the relative motion between the pole end body 1 action time and the radial spherical plain bearing 4, wherein, the activity space passes through first sealing member 2 and second sealing member 5 form airtight space, fine isolated outside air environment, reach good leakproofness, guarantee that friction torque increases not greatly promptly, do not surpass the index requirement, effectively solved the sealed problem of this rod end spherical plain bearing again. In a preferred embodiment, first sealing member 2, second sealing member 5 face respectively seal lip 6 all extends to one side of radial spherical plain bearing 4, be provided with the ceramic layer on the radial spherical plain bearing 4, the ceramic layer sets up between radial spherical plain bearing 4 and the self-lubricating liner 3, because the vice inner circle of friction adopts ceramic-plated surface treatment to radial spherical plain bearing 4 surface, rubs with the self-lubricating liner 3 that the 1 inner wall of the pole end body on the vice outer lane of friction pasted, this vice surface of friction owing first sealing member 2 and second sealing member 5's setting has formed airtight space, has effectively avoided the entering of impurity, and the protection cladding material has prolonged the life of bearing, simultaneously.
Furthermore, the seal lip 6 and the axial direction of the rod end body 1 are preferably arranged at an included angle of 30 degrees, and the seal lip has the characteristics of oil resistance, aging resistance, corrosion resistance, wear resistance and the like.
The utility model provides a rod end joint bearing can be applied to multiple equipment in order to realize the function that corresponds, can realize accomplishing necessary action through adopting joint bearing, and can guarantee the sealed of the motion face that joint bearing contacted, has improved life.
The utility model discloses a select suitable bearing ring material and sealing material, optimize bearing structure and sealing washer structure and obtain having the fine rod end joint bearing of self sealss nature, in order to reach the utility model discloses a can prevent that the friction pair receives the sealed rod end joint bearing in both ends area that pollutes or impurity gets into, the reliability is high, longe-lived.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. A rod end joint bearing with seals at two ends is characterized by comprising a rod end body (1), a first sealing element (2), a self-lubricating gasket (3), a radial joint bearing (4) and a second sealing element (5);
a first accommodating space is formed in the rod end body (1), and the radial spherical plain bearing (4) penetrates through the first accommodating space and is movably matched with the rod end body (1);
the first sealing element (2) and the second sealing element (5) are respectively sleeved on the rod end body (1) and are respectively arranged at two ends of the radial spherical plain bearing (4);
self-lubricating gaskets (3) are respectively arranged between the two ends of the radial spherical plain bearing (4) and the rod end body (1).
2. The rod end joint bearing with the seals at two ends according to claim 1, wherein the first sealing element (2) and the second sealing element (5) are both nitrile rubber sealing rings.
3. The rod end joint bearing with seals at two ends according to claim 2, wherein a spring steel skeleton structure is embedded in the nitrile rubber seal ring.
4. A rod end joint bearing with seals at both ends according to claim 1, characterized in that the self-lubricating liner (3) is bonded to the rod end body (1).
5. A rod end knuckle bearing with seals at both ends according to claim 1, characterized in that a sealing lip (6) extends from each of the first and second seals (2, 5) towards one side of the radial knuckle bearing (4).
6. A rod end knuckle bearing with seals at both ends according to claim 5, characterized in that the sealing lip (6) is arranged at an angle of 30 ° to the axial direction of the rod end body (1).
7. Rod end oscillating bearing with seals at both ends according to claim 1, characterized in that a ceramic layer is provided on the radial oscillating bearing (4), said ceramic layer being provided between the radial oscillating bearing (4) and the self-lubricating liner (3).
8. Rod end oscillating bearing with seals at both ends according to claim 1, characterized in that the rod end body (1) and the radial oscillating bearing (4) form a moving space therebetween, and the moving space forms a closed space by the first seal (2) and the second seal (5).
9. A rod end joint bearing with seals at both ends according to claim 1, wherein the self-lubricating liner (3) is made of polytetrafluoroethylene.
10. A rod end joint bearing with seals at two ends is characterized by comprising a rod end body (1), a first sealing element (2), a self-lubricating gasket (3), a radial joint bearing (4) and a second sealing element (5);
a first accommodating space is formed in the rod end body (1), and the radial spherical plain bearing (4) penetrates through the first accommodating space and is movably matched with the rod end body (1);
the first sealing element (2) and the second sealing element (5) are respectively sleeved on the rod end body (1) and are respectively arranged at two ends of the radial spherical plain bearing (4);
self-lubricating gaskets (3) are respectively arranged between the two ends of the radial spherical plain bearing (4) and the rod end body (1);
the first sealing element (2) and the second sealing element (5) both adopt nitrile rubber sealing rings;
the structure of a spring steel framework is embedded in the nitrile rubber sealing ring;
the self-lubricating liner (3) is bonded to the rod end body (1);
sealing lips (6) extend from one sides of the first sealing element (2) and the second sealing element (5) facing the radial spherical plain bearing (4) respectively;
a ceramic layer is arranged on the radial spherical plain bearing (4), and the ceramic layer is arranged between the radial spherical plain bearing (4) and the self-lubricating liner (3);
a movable space is formed between the rod end body (1) and the radial spherical plain bearing (4), and the movable space forms a closed space through the first sealing element (2) and the second sealing element (5);
the self-lubricating liner (3) is made of a polytetrafluoroethylene material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022661341.7U CN213511650U (en) | 2020-11-17 | 2020-11-17 | Rod end joint bearing with two ends sealed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022661341.7U CN213511650U (en) | 2020-11-17 | 2020-11-17 | Rod end joint bearing with two ends sealed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213511650U true CN213511650U (en) | 2021-06-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022661341.7U Active CN213511650U (en) | 2020-11-17 | 2020-11-17 | Rod end joint bearing with two ends sealed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213511650U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114992237A (en) * | 2022-05-07 | 2022-09-02 | 上海市轴承技术研究所有限公司 | Self-lubricating rod end joint bearing and method for calculating instantaneous speed included angle at spherical common point of self-lubricating rod end joint bearing |
-
2020
- 2020-11-17 CN CN202022661341.7U patent/CN213511650U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114992237A (en) * | 2022-05-07 | 2022-09-02 | 上海市轴承技术研究所有限公司 | Self-lubricating rod end joint bearing and method for calculating instantaneous speed included angle at spherical common point of self-lubricating rod end joint bearing |
| CN114992237B (en) * | 2022-05-07 | 2024-03-22 | 上海市轴承技术研究所有限公司 | Self-lubricating rod end joint bearing and method for calculating instantaneous speed included angle at spherical co-point position thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201801 No.301 shangxue Road, Malu Town, Jiading District, Shanghai Patentee after: Shanghai Bearing Technology Research Institute Co.,Ltd. Address before: 201801 No.301 shangxue Road, Malu Town, Jiading District, Shanghai Patentee before: SHANGHAI BEARING TECHNOLOGY Research Institute |
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| CP01 | Change in the name or title of a patent holder |