CN210859009U - Plunger sleeve capable of avoiding plunger clamping stagnation - Google Patents
Plunger sleeve capable of avoiding plunger clamping stagnation Download PDFInfo
- Publication number
- CN210859009U CN210859009U CN201922043803.6U CN201922043803U CN210859009U CN 210859009 U CN210859009 U CN 210859009U CN 201922043803 U CN201922043803 U CN 201922043803U CN 210859009 U CN210859009 U CN 210859009U
- Authority
- CN
- China
- Prior art keywords
- plunger
- lubricating
- lubricating ball
- sleeve
- self
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000001050 lubricating effect Effects 0.000 claims abstract description 44
- 238000009434 installation Methods 0.000 claims abstract description 28
- 239000004519 grease Substances 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 239000000314 lubricant Substances 0.000 claims abstract description 9
- 239000007787 solid Substances 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 24
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 4
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000011324 bead Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003974 emollient agent Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
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Abstract
The utility model discloses a can avoid plunger bushing of plunger jamming, including the plunger bushing, plunger activity chamber has been seted up to the internal surface of plunger bushing, the inside in plunger activity chamber is equipped with the plunger, the both sides in plunger activity chamber are equipped with lubricated pearl installation cavity, the self-lubricating ball is installed to lubricated pearl installation cavity internal rotation, one side that plunger activity chamber was kept away from to lubricated pearl installation cavity is equipped with lubricating grease and deposits the chamber, and lubricating grease deposits the chamber and keep away from the one end internal surface fixed mounting of lubricated pearl installation cavity and have sealed lid, the one end that sealed lid is close to lubricated pearl installation cavity is passed through spring ejection mechanism and piston swing joint, the utility model discloses the beneficial effect who reaches is: the plunger sleeve is additionally provided with a good self-lubricating structure, so that the plunger sleeve and the plunger can be kept well lubricated all the time, the clamping stagnation phenomenon is greatly reduced, the service life of the plunger sleeve is further prolonged, and meanwhile, people can regularly add solid lubricants.
Description
Technical Field
The utility model relates to a plunger bushing, in particular to can avoid plunger piston clamping stagnation's plunger bushing belongs to technical field.
Background
The fuel injection pump plunger matching part is a matched plunger and plunger sleeve, is one of three large precision matching parts of a diesel engine fuel system, and the plunger reciprocates at a high speed in the plunger sleeve under the action of an oil pump cam.
At present, under the assembly pressure of plunger bushing to after the live time is longer, often can arouse the plunger jamming phenomenon, and current plunger bushing self does not have good self-lubricating structure to set up, causes plunger bushing life's reduction, consequently, we have proposed a plunger bushing that can avoid the plunger jamming.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to overcome prior art's defect, to present plunger bushing after the jamming phenomenon appears, because do not have good self-lubricating structure, and the problem that leads to life's reduction provides one kind and can avoid the plunger bushing of plunger jamming.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model relates to a plunger bushing capable of avoiding plunger jamming, which comprises a plunger bushing, wherein a plunger movable cavity is arranged on the inner surface of the plunger bushing, a plunger is arranged in the plunger movable cavity, lubricating ball mounting cavities are arranged on two sides of the plunger movable cavity, the lubricating ball mounting cavity is rotatably provided with a self-lubricating ball, one side of the lubricating ball mounting cavity far away from the plunger piston movable cavity is provided with a lubricating grease storage cavity, a sealing cover is fixedly arranged on the inner surface of one end of the lubricating grease storage cavity far away from the lubricating ball mounting cavity, one end of the sealing cover close to the lubricating ball mounting cavity is movably connected with the piston through a spring ejection mechanism, the spring ejection mechanism comprises a spring fixedly connected with the sealing cover, and the other end of the spring is fixedly connected with the piston, a guide post and a guide sleeve are arranged in the spring, and the guide post and the guide sleeve are movably sleeved.
As an optimized technical scheme of the utility model, sealed lid with plunger bushing threaded connection.
As an optimized technical scheme of the utility model, the intracavity is deposited to lubricating grease is equipped with solid-state emollient, the self-lubricating ball with the plunger contacts.
As a preferred technical scheme of the utility model, the shape of self-lubricating ball is spherical, the shape of lubricating ball installation cavity is the hemisphere.
As a preferred technical scheme of the utility model, the internal surface central point of self-lubricating ball puts to rotate and is connected with the dead lever, and the front end of dead lever and rear end all through the pivot with the plunger bushing rotates to be connected.
As a preferred technical scheme of the utility model, one side outer wall fixedly connected with connecting rod of lubricated pearl installation cavity is kept away from to sealed lid, the one end fixedly connected with dismouting knob of sealed lid is kept away from to the connecting rod.
The utility model discloses the beneficial effect who reaches is: through the lubricated pearl installation cavity that sets up, the self-lubricating ball, the chamber is deposited to lubricating grease, sealed lid, spring ejection mechanism, a piston, a spring, guide post and uide bushing, for the plunger bushing has increased good self-lubricating structure, make plunger bushing and plunger can keep good lubrication constantly, thereby greatly reduced jamming phenomenon's emergence, further prolong the life of plunger bushing, through connecting rod and dismouting knob, can make things convenient for the dismouting work of sealed lid, the people's regular solid-state lubricant of being convenient for adds work.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
In the drawings:
fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second embodiment of the present invention.
In the figure: 1. a plunger sleeve; 2. a plunger piston movable cavity; 3. a plunger; 4. a lubricating bead mounting cavity; 5. self-lubricating balls; 6. a grease storage chamber; 7. a sealing cover; 8. a spring ejection mechanism; 9. a piston; 10. a spring; 11. a guide post; 12. a guide sleeve; 13. fixing the rod; 14. a rotating shaft; 15. a connecting rod; 16. and (6) disassembling and assembling the knob.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example one
As shown in figure 1, the utility model provides a plunger bushing capable of avoiding plunger clamping stagnation, which comprises a plunger bushing 1, a plunger movable cavity 2 is arranged on the inner surface of the plunger bushing 1, a plunger 3 is arranged in the plunger movable cavity 2, lubricating ball installation cavities 4 are arranged on two sides of the plunger movable cavity 2, a self-lubricating ball 5 is rotatably installed in the lubricating ball installation cavity 4, a lubricating grease storage cavity 6 is arranged on one side of the lubricating ball installation cavity 4 away from the plunger movable cavity 2, a sealing cover 7 is fixedly installed on the inner surface of one end of the lubricating grease storage cavity 6 away from the lubricating ball installation cavity 4, one end of the sealing cover 7 close to the lubricating ball installation cavity 4 is movably connected with a piston 9 through a spring ejection mechanism 8, the spring ejection mechanism 8 comprises a spring 10 fixedly connected with the sealing cover 7, the other end of the spring 10 is fixedly connected with the piston 9, a guide column 11 and a guide sleeve 12 are arranged in the, and the guide post 11 is movably sleeved with the guide sleeve 12.
The sealing cover 7 is in threaded connection with the plunger sleeve 1; a solid lubricant is arranged in the lubricating grease storage cavity 6, and the self-lubricating ball 5 is in contact with the plunger 3; the shape of the self-lubricating ball 5 is spherical, and the shape of the lubricating ball installation cavity 4 is hemispherical; the center position of the inner surface of the self-lubricating ball 5 is rotatably connected with a fixed rod 13, and the front end and the rear end of the fixed rod 13 are rotatably connected with the plunger sleeve 1 through a rotating shaft 14; the outer wall of one side of the sealing cover 7 far away from the lubricating ball installation cavity 4 is fixedly connected with a connecting rod 15, and one end of the connecting rod 15 far away from the sealing cover 7 is fixedly connected with a dismounting knob 16.
Example two
As shown in figure 2, the utility model provides a plunger bushing capable of avoiding plunger clamping stagnation, which comprises a plunger bushing 1, a plunger movable cavity 2 is arranged on the inner surface of the plunger bushing 1, a plunger 3 is arranged in the plunger movable cavity 2, lubricating ball installation cavities 4 are arranged on two sides of the plunger movable cavity 2, a self-lubricating ball 5 is rotatably installed in the lubricating ball installation cavity 4, a lubricating grease storage cavity 6 is arranged on one side of the lubricating ball installation cavity 4 away from the plunger movable cavity 2, a sealing cover 7 is fixedly installed on the inner surface of one end of the lubricating grease storage cavity 6 away from the lubricating ball installation cavity 4, one end of the sealing cover 7 close to the lubricating ball installation cavity 4 is movably connected with a piston 9 through a spring ejection mechanism 8, the spring ejection mechanism 8 comprises a spring 10 fixedly connected with the sealing cover 7, the other end of the spring 10 is fixedly connected with the piston 9, a guide column 11 and a guide sleeve 12 are arranged in the, and the guide post 11 is movably sleeved with the guide sleeve 12.
The sealing cover 7 is in threaded connection with the plunger sleeve 1; a solid lubricant is arranged in the lubricating grease storage cavity 6, and the self-lubricating ball 5 is in contact with the plunger 3; the shape of the self-lubricating ball 5 is spherical, and the shape of the lubricating ball installation cavity 4 is hemispherical; the center position of the inner surface of the self-lubricating ball 5 is rotatably connected with a fixed rod 13, and the front end and the rear end of the fixed rod 13 are rotatably connected with the plunger sleeve 1 through a rotating shaft 14; the outer wall of one side of the sealing cover 7 far away from the lubricating ball installation cavity 4 is fixedly connected with a connecting rod 15, and one end of the connecting rod 15 far away from the sealing cover 7 is fixedly connected with a dismounting knob 16.
Specifically, when the utility model is used, the sealing cover 7 can be conveniently installed on the plunger sleeve 1 by rotating the dismounting knob 16, when necessary, the lubricating grease storage cavity 6 is filled with the solid lubricant, the sealing cover 7 is screwed, the piston 9 is pressed and contacted with the self-lubricating ball 5 in the lubricating ball installation cavity 4 under the pressure of the spring ejection mechanism 8, when the plunger 3 reciprocates in the plunger movable cavity 2, the plunger 3 is contacted with the self-lubricating ball 5 and drives the self-lubricating ball 5 to rotate, the self-lubricating ball 5 after rotating can bring the solid lubricant to be contacted with the plunger 3, thereby realizing the self-lubricating purpose of the plunger sleeve 1 and the plunger 3, and the spring ejection mechanism 8 can constantly support the solid lubricant to be contacted with the self-lubricating ball 5 under the action of the spring 10, thereby ensuring the continuity of self-lubricating, the utility model discloses a good self-lubricating structure is added to the plunger sleeve 1, make plunger barrel 1 and plunger 3 can keep good lubrication constantly to greatly reduced jamming's emergence further prolongs the life of plunger barrel 1, the people of being convenient for simultaneously regularly to the interpolation of solid lubricant.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The plunger sleeve capable of avoiding plunger clamping stagnation comprises a plunger sleeve (1) and is characterized in that a plunger movable cavity (2) is formed in the inner surface of the plunger sleeve (1), a plunger (3) is arranged inside the plunger movable cavity (2), lubricating ball installation cavities (4) are arranged on two sides of the plunger movable cavity (2), a self-lubricating ball (5) is rotatably installed in each lubricating ball installation cavity (4), a lubricating grease storage cavity (6) is arranged on one side, away from the plunger movable cavity (2), of each lubricating ball installation cavity (4), a sealing cover (7) is fixedly installed on the inner surface of one end, away from the lubricating ball installation cavities (4), of each lubricating grease storage cavity (6), one end, close to the lubricating ball installation cavities (4), of each sealing cover (7) is movably connected with a piston (9) through a spring ejection mechanism (8), each spring ejection mechanism (8) comprises a spring (10) fixedly connected with the corresponding sealing cover (7), the other end of the spring (10) is fixedly connected with the piston (9), a guide post (11) and a guide sleeve (12) are arranged inside the spring (10), and the guide post (11) and the guide sleeve (12) are movably sleeved.
2. Plunger barrel capable of avoiding plunger jamming according to claim 1, characterised in that the sealing cover (7) is screwed to the plunger barrel (1).
3. The plunger sleeve capable of avoiding plunger jamming according to claim 1, wherein the grease storage chamber (6) is provided with a solid lubricant, and the self-lubricating balls (5) are in contact with the plunger (3).
4. Plunger sleeve capable of avoiding plunger jamming according to claim 1, characterised in that said self-lubricating ball (5) is spherical in shape and said lubricating ball housing (4) is hemispherical in shape.
5. The plunger sleeve capable of avoiding plunger jamming according to claim 1, wherein a fixed rod (13) is rotatably connected to the center position of the inner surface of the self-lubricating ball (5), and the front end and the rear end of the fixed rod (13) are rotatably connected with the plunger sleeve (1) through a rotating shaft (14).
6. The plunger sleeve capable of avoiding plunger jamming according to claim 1, wherein a connecting rod (15) is fixedly connected to the outer wall of one side of the sealing cover (7) far away from the lubricating ball mounting cavity (4), and a dismounting knob (16) is fixedly connected to one end of the connecting rod (15) far away from the sealing cover (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922043803.6U CN210859009U (en) | 2019-11-25 | 2019-11-25 | Plunger sleeve capable of avoiding plunger clamping stagnation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922043803.6U CN210859009U (en) | 2019-11-25 | 2019-11-25 | Plunger sleeve capable of avoiding plunger clamping stagnation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210859009U true CN210859009U (en) | 2020-06-26 |
Family
ID=71287217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922043803.6U Expired - Fee Related CN210859009U (en) | 2019-11-25 | 2019-11-25 | Plunger sleeve capable of avoiding plunger clamping stagnation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210859009U (en) |
-
2019
- 2019-11-25 CN CN201922043803.6U patent/CN210859009U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200626 |