CN212003967U - Dustproof linear bearing - Google Patents
Dustproof linear bearing Download PDFInfo
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- CN212003967U CN212003967U CN202020459620.2U CN202020459620U CN212003967U CN 212003967 U CN212003967 U CN 212003967U CN 202020459620 U CN202020459620 U CN 202020459620U CN 212003967 U CN212003967 U CN 212003967U
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- outer ring
- linear bearing
- side wall
- ring
- oil
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Abstract
The utility model discloses a dustproof linear bearing, including outer lane, fixed connection holder in the outer lane and a plurality of balls of setting on the holder, be equipped with the rotation mouth that corresponds with the ball on the holder, be provided with the high frequency optical axis in the outer lane, the lateral wall of ball respectively with the lateral wall of high frequency optical axis and the inside wall sliding connection of outer lane, the both ends inside wall of outer lane all has the solid fixed ring who matches the setting with the outer lane through a plurality of fixed screw connection. In the utility model, the effect that the fixing ring is connected with the outer ring through a plurality of fixing screws is achieved through the matching action of the fixing ring, the sealing gasket, the fixing screws and the outer ring, and the function of conveniently replacing the sealing gasket is realized; through the cooperation of grease chamber, oil outlet, inlet port and sealing screw, reached lubricating oil and can add the inside effect of grease chamber through the inlet port, realized adding lubricating oil's function to the ball, be convenient for improve this linear bearing's lubricity.
Description
Technical Field
The utility model relates to a linear bearing technical field, more specifically say, in particular to dustproof linear bearing.
Background
Linear bearings are widely used in precision equipment such as electronic equipment, tensile testing machines and digital three-dimensional coordinate measuring equipment, and in sliding parts for linear motion of industrial machines such as automatic gas cutting machines, printers, card sorting machines and food packaging machines. The linear bearing has the characteristics of small friction, high transmission precision, convenience in starting, sensitive action, long service life and low energy consumption. The device can be used for high-speed linear reciprocating motion, and is not easy to creep at low speed. The device is particularly suitable for parts with frequent starting or reversing transmission. A linear motion bearing is a bearing element that is subject to rolling friction or sliding friction. The sliding linear bearing is in a point contact mode, has a small friction coefficient, can bear smaller load than other types of rolling bearings, and is seriously worn than other rolling bearings. The sliding linear bearing is a sliding bearing which is in surface contact, has large frictional resistance but strong bearing capacity, and can adopt oil-free lubrication, so the sliding linear bearing is most widely applied.
Install seal gasket usually on present linear bearing, an inside for preventing dust or some foreign particles from entering into linear bearing, influence linear bearing's lubricity, because linear bearing uses for a long time or uses all can influence the seal gasket on linear bearing and the leakproofness between the high frequency optical axis under the relatively abominable operational environment, the leakproofness variation between seal gasket and the high frequency optical axis, can lead to the dust particle to enter into linear bearing's inside, thereby the adhesion influences the lubricity of ball on the ball, but current seal gasket all inlays on the both ends inside wall of outer lane usually, the inconvenient seal gasket to the damage is changed.
To this end, we propose a dust-proof linear bearing to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the sealing gasket of having inconvenient damage among the prior art changes, and the dustproof linear bearing who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
dustproof linear bearing, including outer lane, fixed connection holder in the outer lane and a plurality of balls of setting on the holder, be equipped with the rotation mouth that corresponds with the ball on the holder, be provided with the high frequency optical axis in the outer lane, the lateral wall of ball respectively with the lateral wall of high frequency optical axis and the inside wall sliding connection of outer lane, the both ends inside wall of outer lane all has the solid fixed ring who matches the setting with the outer lane through a plurality of fixed screw connection, gu fixed ring's inside wall fixedly connected with is the seal gasket that the annular set up, gu fixed ring's inside wall is equipped with the mounting groove that corresponds with seal gasket, seal gasket's inside wall and the lateral wall sliding connection of high frequency optical axis, be provided.
Preferably, the outer side wall of the outer ring is provided with a first groove corresponding to the plurality of fixing screws, and the first grooves are arranged in a surrounding manner by taking the circle center of the outer ring as the circle center.
Preferably, refuel the mechanism including setting up the grease chamber on the outer lane, be equipped with an inlet port on the lateral wall of outer lane, the inlet port communicates with each other with the grease chamber, the inside wall of outer lane is equipped with a plurality of oil outlets, the oil outlet communicates with each other with the grease chamber, and is a plurality of the oil outlet uses the centre of a circle of outer lane to encircle the setting as the centre of a circle.
Preferably, the oil outlet hole is located between two adjacent balls.
Preferably, the oil outlet is connected with a sealing screw in a threaded manner, a second groove corresponding to the sealing screw is formed in the outer side wall of the outer ring, and the second groove is communicated with the oil inlet.
The embodiment of the utility model provides a technical scheme can include following beneficial effect:
1. through the matching effect of the fixing ring, the sealing gasket, the fixing screws and the outer ring, the effect that the fixing ring is connected with the outer ring through the plurality of fixing screws is achieved, and the function of facilitating replacement of the sealing gasket is achieved;
2. through the cooperation of grease chamber, oil outlet, inlet port and sealing screw, reached lubricating oil and can add the inside effect of grease chamber through the inlet port, realized adding lubricating oil's function to the ball, be convenient for improve this linear bearing's lubricity.
Drawings
Fig. 1 is a schematic structural view of a dustproof linear bearing according to the present invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
fig. 3 is the connection structure schematic diagram of the oil chamber, the oil inlet, the oil outlet and the outer ring in the dustproof linear bearing.
In the figure: 1. an outer ring; 2. a ball bearing; 3. a holder; 4. an oil chamber; 5. a fixing ring; 6. sealing gaskets; 7. fixing screws; 8. a sealing screw; 9. an oil inlet hole; 10. an oil outlet hole; 11. a high frequency optical axis.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a dustproof linear bearing comprises an outer ring 1, a retainer 3 fixedly connected in the outer ring 1 and a plurality of balls 2 arranged on the retainer 3, wherein the retainer 3 is provided with a rotating port corresponding to the balls 2, a high-frequency optical axis 11 is arranged in the outer ring 1, the outer side walls of the balls 2 are respectively connected with the outer side wall of the high-frequency optical axis 11 and the inner side wall of the outer ring 1 in a sliding manner, the inner side walls at two ends of the outer ring 1 are respectively connected with a fixing ring 5 matched with the outer ring 1 through a plurality of fixing screws 7, the inner side wall of the fixing ring 5 is fixedly connected with a sealing gasket 6 arranged in an annular manner, the inner side wall of the fixing ring 5 is provided with a mounting groove corresponding to the sealing gasket 6, the inner side wall of the sealing gasket 6 is connected with the outer side wall of the high-frequency optical axis 11 in a, a row of balls 2 is a group, and the number of groups of balls 2 is multiple; the sealing gasket 6 arranged in an annular shape plays a role in preventing dust from entering the inner part of the outer ring 1 and adhering to the outer side wall of the ball 2 to influence the lubricity of the linear bearing; solid fixed ring 5 is connected with outer lane 1 through fixed screw 7, and the purpose is solid fixed ring 5 is dismantled in the installation of being convenient for to reach the effect of being convenient for change seal gasket 6, seal gasket 6 slides and cup joints on the lateral wall of high frequency optical axis 11, can play and prevent that the dust from entering into the inside effect of outer lane 1.
The outer ring 1 is provided with an oiling mechanism, the oiling mechanism comprises an oil chamber 4 arranged on the outer ring 1, the outer side wall of the outer ring 1 is provided with an oil inlet hole 9, the oil inlet hole 9 is communicated with the oil chamber 4, the inner side wall of the outer ring 1 is provided with a plurality of oil outlet holes 10, the oil outlet holes 10 are communicated with the oil chamber 4, the plurality of oil outlet holes 10 are arranged in a surrounding mode by taking the circle center of the outer ring 1 as the circle center, the oil outlet holes 10 are located between two adjacent balls 2, sealing screws 8 are connected to the oil outlet holes 10 in an internal thread mode, the outer side wall of the outer ring 1 is provided with second grooves corresponding to the sealing screws 8, the second grooves are communicated with the oil inlet hole 9, the oil chamber 4 is used for containing lubricating oil conveniently, the number of the oil outlet holes 10 is multiple, the number of the oil outlet; the oil inlet 9 is used for adding lubricating oil into the oil chamber 4, and the sealing screw 8 is used for blocking the oil inlet 9.
In the utility model, when the sealing gasket 6 on the linear bearing needs to be replaced, the fixing screw 7 on the fixing ring 5 is screwed off, the fixing ring 5 is detached from the outer ring 1, the fixing ring 5 with the new sealing gasket 6 is replaced, and then the sealing gasket 6 can be replaced by installing the sealing ring on the outer ring 1, the sealing gasket 6 is replaced in a simple and convenient way, if the lubricity in the linear bearing is not enough, the sealing screw 8 on the outer ring 1 is screwed off, lubricating oil is added into the oil chamber 4 through the oil inlet hole 9, the lubricating oil in the oil chamber 4 is adhered to the surface of the ball 2 through the oil outlet holes 10, the ball 2 adhered with the lubricating oil is coated on the surfaces of other balls 2 when moving, the effect of coating the lubricating oil on the ball 2 in the linear bearing is achieved, and the linear bearing has good dustproof effect, meanwhile, the damaged sealing gasket 6 is convenient to replace, and lubricating oil is convenient to add into the linear bearing, so that the sealing gasket has good practicability.
The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The dustproof linear bearing comprises an outer ring (1), a retainer (3) fixedly connected in the outer ring (1) and a plurality of balls (2) arranged on the retainer (3), and is characterized in that a rotating port corresponding to the balls (2) is arranged on the retainer (3), a high-frequency optical axis (11) is arranged in the outer ring (1), the outer side wall of each ball (2) is respectively connected with the outer side wall of the high-frequency optical axis (11) and the inner side wall of the outer ring (1) in a sliding manner, the inner side walls at two ends of the outer ring (1) are respectively connected with a fixing ring (5) matched with the outer ring (1) through a plurality of fixing screws (7), the inner side wall of the fixing ring (5) is fixedly connected with a sealing gasket (6) which is arranged in an annular manner, the inner side wall of the fixing ring (5) is provided with a mounting groove corresponding to the sealing gasket (6), and the inner side wall of, an oiling mechanism is arranged on the outer ring (1).
2. The dustproof linear bearing according to claim 1, wherein the outer side wall of the outer ring (1) is provided with a first groove corresponding to a plurality of fixing screws (7), and the first grooves are arranged around the center of the outer ring (1).
3. The dustproof linear bearing of claim 1, wherein the oiling mechanism comprises an oil chamber (4) arranged on the outer ring (1), an oil inlet hole (9) is formed in the outer side wall of the outer ring (1), the oil inlet hole (9) is communicated with the oil chamber (4), a plurality of oil outlet holes (10) are formed in the inner side wall of the outer ring (1), the oil outlet holes (10) are communicated with the oil chamber (4), and the oil outlet holes (10) are arranged in a surrounding mode by taking the circle center of the outer ring (1) as the circle center.
4. A dust-proof linear bearing according to claim 3, characterized in that the oil outlet (10) is located between two adjacent balls (2).
5. The dustproof linear bearing according to claim 3, wherein a sealing screw (8) is connected to the oil outlet (10) in a threaded manner, a second groove corresponding to the sealing screw (8) is formed in the outer side wall of the outer ring (1), and the second groove is communicated with the oil inlet (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020459620.2U CN212003967U (en) | 2020-04-01 | 2020-04-01 | Dustproof linear bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020459620.2U CN212003967U (en) | 2020-04-01 | 2020-04-01 | Dustproof linear bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212003967U true CN212003967U (en) | 2020-11-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020459620.2U Active CN212003967U (en) | 2020-04-01 | 2020-04-01 | Dustproof linear bearing |
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| CN (1) | CN212003967U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357261A (en) * | 2021-06-02 | 2021-09-07 | 丽水市精达轴承制造有限公司 | Three-dimensional linear bearing |
-
2020
- 2020-04-01 CN CN202020459620.2U patent/CN212003967U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113357261A (en) * | 2021-06-02 | 2021-09-07 | 丽水市精达轴承制造有限公司 | Three-dimensional linear bearing |
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