CN114017443A - Miniature ball bush direction subassembly - Google Patents
Miniature ball bush direction subassembly Download PDFInfo
- Publication number
- CN114017443A CN114017443A CN202111314905.2A CN202111314905A CN114017443A CN 114017443 A CN114017443 A CN 114017443A CN 202111314905 A CN202111314905 A CN 202111314905A CN 114017443 A CN114017443 A CN 114017443A
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- Prior art keywords
- oil
- platform
- bush
- annular
- fixed
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C29/00—Bearings for parts moving only linearly
- F16C29/04—Ball or roller bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6685—Details of collecting or draining, e.g. returning the liquid to a sump
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2300/00—Application independent of particular apparatuses
- F16C2300/20—Application independent of particular apparatuses related to type of movement
- F16C2300/28—Reciprocating movement
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bearings For Parts Moving Linearly (AREA)
Abstract
The invention discloses a micro ball bush guide assembly in the technical field of ball bushes, which comprises a guide post, a guide sleeve, a bush and balls, wherein the guide sleeve is provided with an upper ring platform and a lower ring platform, the upper ring platform is provided with an oil storage strip and an oil outlet structure, the lower ring platform is provided with an oil return cavity and a first oil return hole, the invention enables a pressing platform to move relative to a spring plate, when the pressing platform is contacted with the spring plate and presses the spring plate downwards, the spring plate enables the pressing plate to move downwards through a pressing shaft and compresses the oil storage strip, so that oil in the oil storage strip is extruded out of a part and falls onto the bush to lubricate the balls, further friction between the balls and the guide post is reduced, and redundant oil falls onto the lower ring platform and enters the oil return cavity through the oil return hole to be recycled, the oil waste and the like are avoided, and oil ports and oil plugs can be arranged on the side walls of the oil storage cavity and the oil return cavity, so as to add or discharge oil.
Description
Technical Field
The invention relates to the technical field of ball bushes, in particular to a miniature ball bush guide assembly.
Background
The ball bush guide assembly generally includes a guide bush made of aluminum alloy, copper alloy or polyacetal resin as a steel ball retainer, guide balls inserted in the retainer in an embedded manner and contacting the guide bush, and a bush connected to a fixed structure and a movable structure, respectively, so as to be capable of relative movement and to reduce friction by balls.
In order to further reduce friction, a lubricating structure and the like are arranged on the guide assembly, and lubricating oil is added to the balls through the lubricating structure, but when the lubricating structure in the prior art is used for adding the lubricating oil through a pipeline and the like, the lubricating oil is easy to drip under the condition that structures such as guide columns are vertically arranged, and the problems of recovery and the like are inconvenient to occur.
Based on this, the present invention provides a micro ball bush guide assembly to solve the above problems.
Disclosure of Invention
The present invention is directed to a micro ball bushing guide assembly to solve the above problems.
In order to achieve the purpose, the invention provides the following technical scheme: a guide assembly of a miniature ball bushing comprises a guide post, wherein a guide sleeve is arranged on the outer side of the guide post, a bushing is arranged on the inner side of the guide sleeve, balls are uniformly distributed on the bushing, an upper ring platform and a lower ring platform are respectively fixed at the top end and the bottom end of the guide sleeve, the guide post is positioned in inner holes of the upper ring platform and the lower ring platform, the bushing is positioned between the upper ring platform and the lower ring platform, an annular oil return cavity is arranged in the lower ring platform, and first oil return holes are uniformly distributed on the top surface of the oil return cavity;
go up and be equipped with annular oil storage chamber in the ring platform, the position that the bottom surface in oil storage chamber corresponds the bush evenly is equipped with a plurality of oil outlets along the circumferencial direction, is equipped with annular oil storage strip in the oil storage chamber, and the top surface in oil storage chamber is equipped with out oil structure, can dismantle on the guide post and be fixed with a solid fixed cylinder, and the bottom outside of solid fixed cylinder is fixed with annular pressure platform, and presses the platform to correspond with out oil structure and be connected.
Preferably, the structure of producing oil is including being located the annular clamp plate on oil storage chamber upper portion, and the top surface of clamp plate evenly is fixed with a plurality of vertical last item along the circumferencial direction, and the top of a plurality of last item stretches out the ring platform to be fixed with an annular spring board jointly, evenly be connected with a plurality of springs between the bottom surface of spring board and the top surface of fitting with a contraceptive ring platform, and the pressure platform corresponds with the spring board and is connected.
Preferably, an annular rubber pad is fixed on the top surface of the spring plate.
Preferably, a sealing ring is fixed on the side wall of the inner hole of the lower annular table, and the side wall of the guide column is in contact with the sealing ring.
Preferably, the top end of the sealing ring is obliquely arranged, the side edge of the top end, close to the guide column, is higher than the other side edge, and a plurality of second oil return holes are formed in the side wall of the oil return cavity in a surrounding mode corresponding to the lower side edge of the sealing ring.
Preferably, the upper part and the lower part of the outer side wall of the guide sleeve are respectively provided with a thread, the outer side of the bottom surface of the upper annular table and the outer side of the top surface of the lower annular table are respectively and correspondingly fixed with a thread cylinder, and the two thread cylinders are respectively in threaded connection with corresponding positions.
Preferably, all there is a plurality of spacing grooves along the circumferencial direction on the inside wall of uide bushing, and the correspondence is equipped with a plurality of spacing on the lateral wall of bush, and the position of spacing staggers with the ball, spacing sliding connection in the spacing groove that corresponds, and the top surface butt of the bottom surface of bush both ends and last ring platform and lower ring platform.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the pressing table moves relative to the spring plate, when the pressing table is contacted with the spring plate and is pressed downwards, the spring plate enables the pressing plate to move downwards through the pressing shaft, and the oil storage strip is compressed, so that part of oil in the oil storage strip is extruded out, is discharged through the oil outlet and falls onto the bushing so as to lubricate the ball, further reduce friction and the like between the ball and the guide post, and redundant oil falls onto the lower ring table and enters the oil return cavity through the oil return hole for recycling, so that oil waste and the like are avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view at A of the present invention;
FIG. 3 is a schematic view of the structure of the present invention at B;
fig. 4 is a schematic view of the connection of the guide sleeve and the bushing according to the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-a guide column, 101-a fixed cylinder and 102-a pressing platform;
2-guide sleeve, 201-bush, 202-ball, 203-spacing bar;
3-upper ring table, 301-spring plate, 302-pressing shaft, 303-pressing plate, 304-oil storage bar, 305-oil outlet hole, 306-rubber pad;
4-lower ring platform, 401-oil return cavity, 402-first oil return hole, 403-sealing ring, 404-second oil return hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.
Example one
Referring to the drawings, the present invention provides a technical solution: a guide assembly of a miniature ball bush comprises a guide post 1, a guide sleeve 2 is arranged on the outer side of the guide post 1, a bush 201 is arranged on the inner side of the guide sleeve 2, balls 202 are uniformly distributed on the bush 201, an upper ring platform 3 and a lower ring platform 4 are respectively fixed at the top end and the bottom end of the guide sleeve 2, the guide post 1 is positioned in inner holes of the upper ring platform 3 and the lower ring platform 4, the bush 201 is positioned between the upper ring platform 3 and the lower ring platform 4, an annular oil return cavity 401 is arranged in the lower ring platform 4, and a first oil return hole 402 is uniformly distributed on the top surface of the oil return cavity 401;
go up and be equipped with annular oil storage chamber in the ring platform 3, the position that the bottom surface of oil storage chamber corresponds bush 201 evenly is equipped with a plurality of oil outlet 305 along the circumferencial direction, be equipped with annular oil storage strip 304 in the oil storage chamber, and the top surface in oil storage chamber is equipped with out oil structure, oil storage strip 304 can adopt sponge piece etc, so that can make the lubricating oil in the oil storage strip 304 extruded through the squeezing action of a structure of appearing, can dismantle on the guide post 1 and be fixed with a fixed section of thick bamboo 101, the bottom outside of a fixed section of thick bamboo 101 is fixed with annular pressure platform 102, and press platform 102 to correspond with an oil structure and be connected, can adjust the position of a fixed section of thick bamboo 101 and pressure platform 102 according to actual need.
The oil outlet structure comprises an annular pressure plate 303 positioned on the upper part of the oil storage cavity, a plurality of vertical pressure shafts 302 are uniformly fixed on the top surface of the pressure plate 303 along the circumferential direction, the top ends of the pressure shafts 302 extend out of the upper ring table 3 and are jointly fixed with an annular spring plate 301, a plurality of springs are uniformly connected between the bottom surface of the spring plate 301 and the top surface of the upper ring table 3, and the pressure table 102 is correspondingly connected with the spring plate 301.
When the guide sleeve 2 moves up and down relative to the guide post 1, the pressing platform 102 moves relative to the spring plate 301, when the pressing platform 102 contacts with the spring plate 301 and presses down the spring plate 301, the spring plate 301 enables the pressing plate 303 to move down through the pressing shaft 302 and compresses the oil storage strips 304, so that oil in the oil storage strips 304 is extruded out of a part, is discharged through the oil outlet 305 and falls onto the lining 201 to lubricate the balls 202, friction and the like between the balls 202 and the guide post 1 are further reduced, redundant oil falls onto the lower annular platform 4 and enters the oil return cavity 401 through the oil return hole to be recovered, waste of the oil and the like are avoided, and an oil port and an oil plug can be arranged on the side walls of the oil storage cavity and the oil return cavity 401 to add or discharge the oil.
An annular rubber pad 306 is fixed on the top surface of the spring plate 301, when the pressing platform 102 moves downwards, the pressing platform contacts with the rubber pad 306 on the spring plate 301, and then the spring plate 301 is pressed downwards, so that the pressing platform 102 is prevented from directly contacting with a hard plane of the spring plate 301, and a certain protection effect is achieved.
Example two
The structure of this embodiment is basically the same as that of the first embodiment, except that the upper and lower portions of the outer side wall of the guide sleeve 2 are respectively provided with threads, the outer sides of the bottom surface of the upper ring table 3 and the top surface of the lower ring table 4 are respectively and correspondingly fixed with thread cylinders, and the two thread cylinders are respectively connected with the threads at corresponding positions, through the thread cylinders and the threads on the guide sleeve 2, the upper ring table 3 and the lower ring table 4 can be detached from and fixed to the guide sleeve 2, so as to repair and replace part of the structure.
All there is a plurality of spacing grooves along the circumferencial direction on the inside wall of uide bushing 2, it is equipped with a plurality of spacing strips 203 to correspond on the lateral wall of bush 201, and the position of spacing strip 203 staggers with ball 202, spacing strip 203 sliding connection is in the spacing groove that corresponds, and the bush 201 both ends with the bottom surface of last ring platform 3 and the top surface butt of lower ring platform 4, relative position through spacing strip 203 and spacing groove restriction uide bushing 2 and bush 201, and through the effect of last ring platform 3 and lower ring platform 4, make the rigidity of bush 201 and uide bushing 2, thereby make installation between bush 201 and the uide bushing 2 with dismantle simple and convenient more, and be convenient for change bush 201 isotructure.
EXAMPLE III
The structure of this embodiment is basically the same as that of the first embodiment, except that a sealing ring 403 is fixed on the side wall of the inner hole of the lower annular table 4, and the side wall of the guide post 1 contacts with the sealing ring 403, so that the sealing performance between the oil return assembly and the guide post 1 is improved, and oil leakage is further reduced.
The top end of the sealing ring 403 is obliquely arranged, the side edge of the top end, which is close to the guide post 1, is higher than the other side edge, a plurality of second oil return holes 404 are arranged on the side wall of the oil return cavity 401 in a surrounding manner corresponding to the lower side edge of the sealing ring 403, so that the lubricating oil at the position of the sealing ring 403 can flow to the second oil return holes 404 along the oblique top surface of the sealing ring 403 and enter the oil return cavity 401, and the lubricating oil recovery effect is improved.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (7)
1. The utility model provides a miniature ball bush direction subassembly, includes guide post (1), and the outside of guide post (1) is equipped with uide bushing (2), and the inboard of uide bushing (2) is equipped with bush (201), and the equipartition has ball (202), its characterized in that on bush (201): an upper annular table (3) and a lower annular table (4) are respectively fixed at the top end and the bottom end of the guide sleeve (2), the guide column (1) is positioned in inner holes of the upper annular table (3) and the lower annular table (4), the bushing (201) is positioned between the upper annular table (3) and the lower annular table (4), an annular oil return cavity (401) is arranged in the lower annular table (4), and first oil return holes (402) are uniformly distributed on the top surface of the oil return cavity (401);
go up and be equipped with annular oil storage chamber in ring platform (3), the position that the bottom surface of oil storage chamber corresponds bush (201) evenly is equipped with a plurality of oil outlet (305) along the circumferencial direction, be equipped with annular oil storage strip (304) in the oil storage chamber, and the top surface in oil storage chamber is equipped with the structure of producing oil, can dismantle on guide post (1) and be fixed with solid fixed cylinder (101), the bottom outside of solid fixed cylinder (101) is fixed with annular pressure platform (102), and presses platform (102) to correspond with the structure of producing oil and be connected.
2. The micro ball bushing guide assembly of claim 1, wherein: the structure of producing oil is including annular clamp plate (303) that is located oil storage chamber upper portion, and the top surface of clamp plate (303) evenly is fixed with a plurality of vertical last item (302) along the circumferencial direction, and the top of a plurality of last item (302) stretches out and goes up circular platform (3) to be fixed with annular spring board (301) jointly, evenly be connected with a plurality of springs between the bottom surface of spring board (301) and the top surface of last circular platform (3), and press platform (102) and spring board (301) to correspond and be connected.
3. The micro ball bushing guide assembly of claim 2, wherein: an annular rubber pad (306) is fixed on the top surface of the spring plate (301).
4. The micro ball bushing guide assembly of claim 1, wherein: and a sealing ring (403) is fixed on the side wall of an inner hole of the lower ring platform (4), and the side wall of the guide column (1) is in contact with the sealing ring (403).
5. The micro ball bushing guide assembly of claim 4, wherein: the top end of the sealing ring (403) is obliquely arranged, the side edge of the top end, close to the guide column (1), is higher than the other side edge, and a plurality of second oil return holes (404) are arranged on the side wall of the oil return cavity (401) in a surrounding mode at positions corresponding to the lower side edge of the sealing ring (403).
6. The micro ball bushing guide assembly of claim 1, wherein: the upper portion and the lower portion of the outer side wall of the guide sleeve (2) are respectively provided with threads, threaded cylinders are correspondingly fixed on the outer side of the bottom surface of the upper annular table (3) and the outer side of the top surface of the lower annular table (4) respectively, and the two threaded cylinders are connected with the threads at corresponding positions respectively.
7. The micro ball bushing guide assembly of claim 6, wherein: all there is a plurality of spacing grooves along the circumferencial direction on the inside wall of uide bushing (2), correspond on the lateral wall of bush (201) and be equipped with a plurality of spacing strips (203), and the position of spacing strip (203) staggers with ball (202), spacing strip (203) sliding connection is in the spacing groove that corresponds, and the top surface butt of the bottom surface of bush (201) both ends and last ring platform (3) and lower ring platform (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111314905.2A CN114017443A (en) | 2021-11-08 | 2021-11-08 | Miniature ball bush direction subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111314905.2A CN114017443A (en) | 2021-11-08 | 2021-11-08 | Miniature ball bush direction subassembly |
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| Publication Number | Publication Date |
|---|---|
| CN114017443A true CN114017443A (en) | 2022-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111314905.2A Pending CN114017443A (en) | 2021-11-08 | 2021-11-08 | Miniature ball bush direction subassembly |
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| CN (1) | CN114017443A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114396553A (en) * | 2022-03-25 | 2022-04-26 | 天津龙创恒盛实业有限公司 | Linear guide rail applied to studio overhead camera truck |
-
2021
- 2021-11-08 CN CN202111314905.2A patent/CN114017443A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114396553A (en) * | 2022-03-25 | 2022-04-26 | 天津龙创恒盛实业有限公司 | Linear guide rail applied to studio overhead camera truck |
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