CN211501326U - Joint bearing with self-lubricating function - Google Patents
Joint bearing with self-lubricating function Download PDFInfo
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- CN211501326U CN211501326U CN201922499129.2U CN201922499129U CN211501326U CN 211501326 U CN211501326 U CN 211501326U CN 201922499129 U CN201922499129 U CN 201922499129U CN 211501326 U CN211501326 U CN 211501326U
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Abstract
The utility model discloses a joint bearing with self-lubricating function, it includes interior ball cover and outer ball cover, be equipped with the self-lubricating liner between interior ball cover and the outer ball cover, the oil filler point has been seted up on the outer ball cover, the oil filler point is along outer ball cover radial setting, annular oil groove has been seted up on the outer ball cover inside wall, the oil filler point with annular oil groove intercommunication. The utility model discloses lubricated effect has to improve life's effect.
Description
Technical Field
The utility model relates to a joint bearing field especially relates to a joint bearing with self-lubricating function.
Background
The joint bearing is a spherical sliding bearing, the sliding contact surface of the joint bearing is an inner spherical surface and an outer spherical surface, the joint bearing can rotate and swing at any angle during movement, and the joint bearing is manufactured by adopting a plurality of special processing methods such as surface phosphorization, deep-fried mouth, embedding, spraying and the like. The joint bearing has the characteristics of large load capacity, impact resistance, corrosion resistance, wear resistance, self-aligning, good lubrication and the like. The joint bearing can bear large load, and can bear radial load, axial load or combined load existing in the radial direction and the axial direction according to different types and structures of the joint bearing. The bearing can generate self-lubrication in operation because the composite material is embedded on the outer spherical surface of the inner ring. The bearing shaft is generally used for swinging motion with low speed and low-speed rotation, can also perform tilting motion within a certain angle range, and can still normally work when the concentricity of the bearing shaft and the shaft shell hole is large. The self-lubricating joint bearing is applied to the industries of water conservancy, professional machinery and the like. The hydraulic oil cylinder is also widely applied to the industries of engineering hydraulic oil cylinders, forging and pressing machine tools, engineering machinery, automation equipment, automobile shock absorbers, hydraulic machinery and the like.
Chinese patent publication No. CN208651427U discloses a joint bearing, which includes an outer ring and an inner ring, wherein an inner ring surface of the outer ring and an outer ring surface of the inner ring are respectively an inner spherical surface and an outer spherical surface, the inner ring is disposed in the inner ring of the outer ring, the inner spherical surface and the outer spherical surface are in rolling contact, an axial surface of the outer ring is provided with a slot having the same cross-sectional shape as the inner ring, the slot includes two arc surfaces which are symmetrical in position and coaxial with the outer ring, and the slot extends along an axial direction of the outer ring and makes the arc surfaces form tangency with the inner spherical surface.
The above prior art solutions have the following drawbacks: sliding connection between outer ball cover and the interior ball cover, because its corner is great, can not cooperate completely between interior sphere and the exterior sphere, and lubricated effect is not good between two spheres, will make outer ball cover and interior ball cover produce wearing and tearing at the during operation, not only can influence joint bearing's result of use, also can reduce joint bearing's life.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a joint bearing who has lubricated effect to prior art exists not enough to improve life.
The above object of the present invention can be achieved by the following technical solutions:
the utility model provides a joint bearing with self-lubricating function, includes interior ball cover and outer ball cover, be equipped with the self-lubricating liner between interior ball cover and the outer ball cover, the oil filler point has been seted up on the outer ball cover, the oil filler point sets up along outer ball cover radial, annular oil groove has been seted up on the outer ball cover inner wall, the oil filler point with annular oil groove intercommunication.
Through adopting above-mentioned technical scheme, self-lubricating liner sets up between outer ball cover and interior ball cover, the friction between ball cover and the outer ball cover in the self-lubricating bush can completely cut off, and pour into lubricating oil in the oil filler point of seting up on the outer ball cover, lubricating oil enters into the annular oil groove that is located on the outer ball cover inside wall after the oil filler point gets into, make lubricating oil paint on the inner ball cover surface, thereby produce lubricated effect, reduce outer ball cover and interior ball cover and produce the friction at the during operation, prevent wearing and tearing, thereby improve joint bearing's life.
The present invention may be further configured in a preferred embodiment as: the oil filler point is equipped with the oil storage tank near annular oil groove one side, the oil storage tank is with oil filler point and annular oil groove intercommunication.
Through adopting above-mentioned technical scheme, the oil storage tank sets up between oil filler point and annular oil groove, and lubricating oil can be stored to the oil storage tank, reduces staff's oiling number of times, and lubricating oil in the oil storage tank can make joint bearing be in lubricated state for a long time, from improving joint bearing life-span.
The present invention may be further configured in a preferred embodiment as: the self-lubricating liner is provided with an oil guide groove, an oil guide hole is formed in the oil guide groove, and the outer side wall of the inner ball sleeve is provided with an annular lubricating groove.
Through adopting above-mentioned technical scheme, lubricating oil is paintd behind self-lubricating bush lateral wall, and the lubricating oil of gathering is from leading the oilhole through entering into the annular lubrication inslot on the interior ball cover lateral wall, and when interior ball cover rotated, the lubrication in the annular lubrication inslot was paintd between self-lubricating bush and interior ball cover to reduce the friction between self-lubricating bush and the interior ball cover, make the lubricated effect between the two better.
The present invention may be further configured in a preferred embodiment as: and a lubricating hole is formed in the annular lubricating groove.
Through adopting above-mentioned technical scheme, the lubrication hole is seted up on annular lubrication groove, can also make the interior lubricating oil of annular lubrication groove flow on to inside ball sleeve inside wall simultaneously, makes the lubricated effect better between interior ball sleeve and its inside rotation bulb, prevents that interior ball sleeve from being worn and torn.
The present invention may be further configured in a preferred embodiment as: the cross section of the annular lubricating groove is trapezoidal, and the width of one side, close to the center, of the annular lubricating groove is smaller than that of one side, close to the outer ball sleeve, of the annular lubricating groove.
Through adopting above-mentioned technical scheme, annular lubrication groove is close to outer ball cover one side width broad, can accomodate annular lubrication inslot more from leading the lubricating oil that the oilhole flowed into between self-lubricating bush and the interior ball cover, can prevent simultaneously that a large amount of lubricating oil from remaining between self-lubricating bush and interior ball cover to make lubricating oil including between ball cover and the outer ball cover lubricated effect better.
The present invention may be further configured in a preferred embodiment as: and an oil felt washer is arranged in the annular oil groove.
Through adopting above-mentioned technical scheme, the oil felt gasket has the effect of absorbing and storing lubricating oil, prevents that a large amount of lubricating oil from directly injecting into in the outer ball cover, also can make the oil felt gasket constantly carry out the fuel feeding in the outer ball cover simultaneously, guarantees the lubricated effect between outer ball cover and the interior ball cover.
The present invention may be further configured in a preferred embodiment as: and the inner side wall of the outer ball sleeve is provided with a blocking net, and the oil felt gasket is limited in the annular oil groove by the blocking net.
Through adopting above-mentioned technical scheme, the separation net sets up at the opening part of annular oil groove, prevents that the oilfelt packing from falling out in the annular oil groove.
The present invention may be further configured in a preferred embodiment as: and a sealing plug is arranged at the oil filling hole on the outer side wall of the outer ball sleeve.
By adopting the technical scheme, the sealing plug can prevent the lubricating oil in the oil filling hole from flowing out.
To sum up, the utility model discloses a following at least one useful technological effect:
1. through the arrangement of the oil filling hole and the annular oil groove, lubricating oil can be filled into the annular oil groove through the oil filling hole, so that the lubricating effect between the self-lubricating liner and the outer ball sleeve is better, the abrasion between the self-lubricating liner and the outer ball sleeve is prevented, and the service life of the joint bearing is prolonged;
2. the oil storage tank is arranged, so that lubricating oil can be stored, the lubricating time in the joint bearing is longer, and the service life of the bearing is further longer;
3. through the setting of the oil felt packing in the annular oil groove, can play the oil storage and can prevent that lubricating oil from directly and a large amount of entering into between self-lubricating liner and the outer ball cover to prevent the extravagant effect of lubricating oil.
Drawings
FIG. 1 is a schematic view of a joint bearing structure with self-lubricating function;
fig. 2 is a partial sectional schematic view of a joint bearing having a self-lubricating function;
fig. 3 is a partially exploded schematic view of a spherical plain bearing having a self-lubricating function.
In the figure, 1, a screw is installed; 11. an inner ball sleeve; 111. an annular lubrication groove; 112. a lubrication hole; 12. an outer ball sleeve; 121. an oil filler hole; 1211. a sealing plug; 122. an annular oil groove; 123. an oil storage tank; 124. a felt washer; 125. a barrier net; 13. a self-lubricating liner; 131. an oil guide groove; 132. oil guide hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Example (b):
referring to fig. 1, the joint bearing comprises a mounting screw 1, an outer ball sleeve 12 fixedly connected to the mounting screw 1, and an inner ball sleeve 11 arranged in the outer ball sleeve 12, wherein a self-lubricating liner 13 is arranged between the outer ball sleeve 12 and the inner ball sleeve 11.
Referring to fig. 2 and 3, oil filler point 121 has been seted up on the outer ball cover 12 lateral wall, oil filler point 121 sets up along outer ball cover 12 radial direction, oil filler point 121 extends the intercommunication to outer ball cover 12 center and is equipped with oil storage tank 123, annular oil groove 122 has been seted up on the outer ball cover 12 inside wall, the staff pours into lubricating oil into from oil filler point 121 into, lubricating oil enters into annular oil groove 122 through oil storage tank 123 in, lubricating oil can be stored in the oil storage tank 123, thereby reduce staff's oiling number of times, reduce staff's work load, joint bearing's life is improved.
Referring to fig. 2 and 3, an oil felt gasket 124 is disposed in the annular oil groove 122, the oil felt gasket 124 is disposed in an annular shape, a blocking net 125 is fixedly connected to an opening of the annular oil groove 122 near the center of the outer ball sleeve 12, the oil felt gasket 124 is limited in the annular oil groove 122 by the blocking net 125, and the oil felt gasket 124 is fixedly connected to the blocking net 125.
Referring to fig. 2 and 3, the felt gasket 124 is used to store oil so that a uniform and proper amount of oil can exit from the annular oil groove 122 and the blocking mesh 125 to enter between the outer ball sleeve 12 and the self-lubricating liner.
Referring to fig. 2 and 3, oil guide groove 131 has been seted up on the self-lubricating bush lateral wall, oil guide groove 131 is the annular setting, oil guide groove 131 tank bottom has been seted up four and has been led oilhole 132, leads oilhole 132 and runs through the self-lubricating bush, and lubricating oil leaves the back in the annular oil groove 122, enters into in the oil guide groove 131, gathers in oil guide groove 131, and has partly lubricating oil to enter into between self-lubricating bush and the inner ball cover 11 from leading oilhole 132.
Referring to fig. 2 and 3, an annular lubricating groove 111 is formed in the outer side wall of the inner ball sleeve 11, the cross section of the annular lubricating groove 111 is in a trapezoid shape, the width of the annular lubricating groove 111 close to one side of the center of the self-lubricating bushing is smaller than the width of the annular lubricating groove close to one side of the outer ball sleeve 12, and when relative rotation occurs between the inner ball sleeve 11 and the self-lubricating bushing, a part of oil enters the annular lubricating groove 111 from lubricating oil to be accumulated for lubricating between the inner ball sleeve 11 and the self-lubricating bushing.
Referring to fig. 2 and 3, four lubricating holes 112 are formed in the bottom of the annular lubricating groove 111, and the lubricating holes 112 penetrate through the inner ball sleeve 11, so that a part of lubricating oil enters the inner side wall of the inner ball sleeve 11, thereby improving the lubricating effect of the inner ball sleeve 11 and the ball body during rotation and preventing the inner ball sleeve 11 from being worn.
Referring to fig. 2 and 3, a sealing plug 1211 is disposed on the outer side wall of the outer ball sleeve 12, and the sealing plug 1211 is screwed to the end of the oil filling hole 121 to improve the sealing effect of the port of the oil filling hole 121 and prevent the lubricant from leaking out.
The implementation principle of the embodiment is as follows: lubricating oil is injected from the oil injection hole 121, the lubricating oil enters the annular oil groove 122 after passing through the oil storage groove 123, firstly soaks the oil felt gasket 124, when the lubricating oil is more, a part of the lubricating oil can directly flow out from a gap between the oil felt gasket 124 and the annular oil groove 122, enters between the outer ball sleeve 12 and the self-lubricating liner 13, then enters the oil guide groove 131, enters between the self-lubricating liner 13 and the inner ball sleeve 11 through the oil guide hole 132 for lubrication, or is accumulated in the annular lubricating groove 111, and then the lubricating oil left in the oil storage groove 123 continuously soaks the oil felt gasket 124, so that the oil is continuously supplied between the outer ball sleeve 12 and the self-lubricating liner 13 by the oil felt gasket 124, the lubricating effect is kept, and the lubricating oil in the oil guide groove 131 and the annular lubricating groove 111 can play a lubricating role between the outer ball sleeve 12 and the self-lubricating liner 13, and between the self-lubricating liner 13 and the.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. A joint bearing with self-lubricating function, includes interior ball cover (11) and outer ball cover (12), its characterized in that: be equipped with self-lubricating liner (13) between interior ball cover (11) and outer ball cover (12), oil filler point (121) have been seted up on outer ball cover (12), oil filler point (121) radially set up along outer ball cover (12), annular oil groove (122) have been seted up on outer ball cover (12) inside wall, oil filler point (121) with annular oil groove (122) intercommunication.
2. The spherical plain bearing with self-lubricating function according to claim 1, wherein: oil filler point (121) are close to annular oil groove (122) one side and are equipped with oil storage tank (123), oil storage tank (123) are with oil filler point (121) and annular oil groove (122) intercommunication.
3. The spherical plain bearing with self-lubricating function according to claim 1, wherein: oil guide grooves (131) are formed in the self-lubricating gasket (13), oil guide holes (132) are formed in the oil guide grooves (131), and annular lubricating grooves (111) are formed in the outer side wall of the inner ball sleeve (11).
4. The spherical plain bearing with self-lubricating function according to claim 3, characterized in that: and a lubricating hole (112) is formed in the annular lubricating groove (111).
5. The spherical plain bearing with self-lubricating function according to claim 3, characterized in that: the cross section of the annular lubricating groove (111) is trapezoidal, and the width of one side, close to the center, of the annular lubricating groove (111) is smaller than that of one side, close to the outer ball sleeve (12).
6. The spherical plain bearing with self-lubricating function according to claim 5, wherein: an oil felt gasket (124) is arranged in the annular oil groove (122).
7. The spherical plain bearing with self-lubricating function according to claim 6, wherein: the inner side wall of the outer ball sleeve (12) is provided with a blocking net (125), and the oil felt gasket (124) is limited in the annular oil groove (122) by the blocking net (125).
8. The spherical plain bearing with self-lubricating function according to claim 1, wherein: and a sealing plug (1211) is arranged on the outer side wall of the outer ball sleeve (12) and is positioned at the oil filling hole (121).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922499129.2U CN211501326U (en) | 2019-12-31 | 2019-12-31 | Joint bearing with self-lubricating function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922499129.2U CN211501326U (en) | 2019-12-31 | 2019-12-31 | Joint bearing with self-lubricating function |
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| Publication Number | Publication Date |
|---|---|
| CN211501326U true CN211501326U (en) | 2020-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922499129.2U Active CN211501326U (en) | 2019-12-31 | 2019-12-31 | Joint bearing with self-lubricating function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196885A (en) * | 2020-10-09 | 2021-01-08 | 嘉兴钰丰汽车零部件有限公司 | Metal gasket convenient to dismouting |
| CN117231629A (en) * | 2023-11-10 | 2023-12-15 | 福建省德源智能科技有限公司 | Multi-layer self-lubricating knuckle bearing and use method thereof |
-
2019
- 2019-12-31 CN CN201922499129.2U patent/CN211501326U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112196885A (en) * | 2020-10-09 | 2021-01-08 | 嘉兴钰丰汽车零部件有限公司 | Metal gasket convenient to dismouting |
| CN112196885B (en) * | 2020-10-09 | 2022-06-14 | 嘉兴钰丰汽车零部件股份有限公司 | Metal gasket convenient to dismouting |
| CN117231629A (en) * | 2023-11-10 | 2023-12-15 | 福建省德源智能科技有限公司 | Multi-layer self-lubricating knuckle bearing and use method thereof |
| CN117231629B (en) * | 2023-11-10 | 2024-02-02 | 福建省德源智能科技有限公司 | Multi-layer self-lubricating knuckle bearing and use method thereof |
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