CN221121181U - Valve core with lubricating structure - Google Patents
Valve core with lubricating structure Download PDFInfo
- Publication number
- CN221121181U CN221121181U CN202323097206.4U CN202323097206U CN221121181U CN 221121181 U CN221121181 U CN 221121181U CN 202323097206 U CN202323097206 U CN 202323097206U CN 221121181 U CN221121181 U CN 221121181U
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- CN
- China
- Prior art keywords
- valve core
- oil
- cylinder
- connecting rod
- sealing ring
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- 230000001050 lubricating effect Effects 0.000 title claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 24
- 238000003860 storage Methods 0.000 claims abstract description 23
- 239000002184 metal Substances 0.000 claims abstract description 22
- 238000005461 lubrication Methods 0.000 claims description 17
- 229920000742 Cotton Polymers 0.000 claims description 3
- 230000008595 infiltration Effects 0.000 claims 1
- 238000001764 infiltration Methods 0.000 claims 1
- 239000003921 oil Substances 0.000 abstract description 44
- 239000007788 liquid Substances 0.000 abstract description 13
- 239000010687 lubricating oil Substances 0.000 abstract description 11
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 239000000314 lubricant Substances 0.000 abstract 1
- 239000000945 filler Substances 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Lift Valve (AREA)
Abstract
The utility model discloses a valve core with a lubricating structure, which comprises a valve core body, wherein the valve core body consists of a metal rod, a cylinder and an annular lug, the top and the bottom of the metal rod are fixedly provided with the cylinder, the middle part of the metal rod is fixedly provided with the annular lug, and the inside of the cylinder is provided with an oil storage cavity. According to the utility model, through the opening of the oil outlet, when the valve core moves up and down, the jack post in the valve body is inserted into the oil outlet, the jack post pushes the rubber piston to move upwards, so that the oil outlet is opened, the piston moves to drive the connecting rod to move upwards, the connecting rod moves upwards to push the sealing ring to move upwards, lubricating oil in the oil storage cavity flows to the surface of the valve core body through the through hole and the oil outlet, the surface of the valve core body is lubricated, the traditional lubricant layer is replaced, the lubricating liquid is not required to be added regularly, the use is convenient, the friction between the valve core and the valve body is reduced, and the service life of the valve core is prolonged.
Description
Technical Field
The utility model relates to a valve core with a lubricating structure, and belongs to the technical field of valve cores.
Background
The valve core is one of important parts of the regulating valve, and the valve body is an important part for realizing direction control, pressure control or flow control by virtue of the movement of the valve core.
According to the valve core lubricating structure of the patent number CN204437465U, the valve core lubricating structure comprises a valve core, a liquid inlet hole is formed along the axis direction of the valve core, a plurality of liquid outlet holes are formed in the surface of the valve core, the liquid outlet holes are communicated with the liquid inlet hole, the valve core is arranged in a valve sleeve, a lubricating liquid layer is filled between the valve core and the valve sleeve, a micro hole is formed in the outer cylindrical surface of the valve core, dynamic pressure lubrication can be generated through machining the micro hole on the valve core, the bearing capacity is improved, and abrasive dust generated by boundary lubrication or dry friction is contained, so that abrasion is reduced, and the service life is prolonged; by arranging the triangular groove, the vibration of the valve core in the moving process can be reduced.
Above-mentioned case lubricating structure is full of the lubricating liquid layer between case and valve pocket, has seted up miniature hole on the outer cylinder face of case, can produce dynamic pressure lubrication, improves bearing capacity, but the setting of lubricating liquid layer, and in the long-term use, the lubricating liquid layer is because the friction intensifies, leads to evaporation and solidification, leads to the case unable lubrication, needs the periodic to carry out filling lubricating oil to the lubricating liquid layer, complex operation influences the use.
Disclosure of utility model
The utility model aims to provide a valve core with a lubricating structure, so as to solve the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: including the case body, the case body comprises metal pole, cylinder and annular lug, the top and the bottom of metal pole are all fixed and are equipped with the cylinder, the fixed annular lug that is equipped with in middle part of metal pole, the oil storage chamber has been seted up to the inside of cylinder, the junction of oil storage chamber and metal pole is fixed and is equipped with the sealing ring, the equal fixed mounting in both sides of sealing ring bottom has the gag lever post, two the bottom and the oil storage chamber bottom fixed connection of gag lever post, two the surface sliding connection of gag lever post has the lantern ring, the lantern ring is established with the metal pole cover and is connected, the cavity has all been seted up to the both sides of cylinder bottom, the through-hole with oil storage chamber intercommunication has been seted up on the top of cavity, two the inside of through-hole all alternates and is connected with the connecting rod, two the top of connecting rod and the bottom fixed connection of lantern ring, two the bottom fixed mounting of connecting rod has the rubber piston, two the equal cover of surface of connecting rod is established and is connected with reset spring, reset spring's top and cavity top wall fixed connection, reset spring's bottom and rubber piston top center fixed connection, two the cotton bottom of top, two of cavity has been seted up and has two and has inlayed the oil outlet.
In the valve core with the lubricating structure, an annular oil collecting groove is formed in the middle of the annular protruding block.
In the valve core with the lubricating structure, an oil filling hole communicated with the oil storage cavity is formed in one side of the top end of the cylinder, and a sealing plug is embedded in the oil filling hole.
In the valve core with the lubricating structure, the size of the end of the connecting rod is smaller than the inner diameter of the through hole.
In the valve core with the lubricating structure, the sealing ring is sleeved at the joint of the sealing ring and the metal rod.
In the valve core with the lubricating structure, the size of the lantern ring is the same as that of the sealing ring.
Compared with the prior art, the utility model has the beneficial effects that: through seting up of oil outlet, when the case up-and-down motion, the inside jack-prop of valve body inside inserts the inside of oil outlet, promote the rubber piston through the jack-prop and upwards move, make the oil outlet open, simultaneously the piston movement drives the connecting rod and upwards move, the connecting rod upwards moves and promotes the sealing ring and upwards move, make the lubricating oil in the oil storage chamber flow to the surface of case body through-hole and oil outlet, realize the lubrication to the case body surface, replace traditional lubrication layer's setting, need not periodic interpolation lubrication liquid, convenient to use, the friction between reduction case and the valve body has improved the life of case.
Drawings
FIG. 1 is a schematic illustration of a valve element with a lubrication structure according to the present utility model;
FIG. 2 is a schematic view of the internal structure of a cylinder with a lubrication structure according to the present utility model;
fig. 3 is an enlarged view of a portion of the valve element of fig. 1 at a position a with a lubrication structure according to the present utility model.
In the figure: 1. a valve core body; 2. a metal rod; 3. a cylinder; 4. an annular bump; 5. an annular oil sump; 6. an oil filling hole; 7. a sealing plug; 8. a seal ring; 9. a limit rod; 10. a collar; 11. a connecting rod; 12. a through hole; 13. a cavity; 14. a return spring; 15. a rubber piston; 16. an oil outlet hole; 17. and (5) penetrating cotton.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present utility model provides a technical solution for a valve core with a lubrication structure:
According to the illustration of fig. 1-3, including case body 1, case body 1 comprises metal pole 2, cylinder 3 and annular lug 4, the top and the bottom of metal pole 2 are all fixed be equipped with cylinder 3, the middle part of metal pole 2 is fixed be equipped with annular lug 4, the oil storage chamber has been seted up to the inside of cylinder 3, the junction of oil storage chamber and metal pole 2 is fixed and is equipped with sealing ring 8, both sides of sealing ring 8 bottom all fixed mounting have gag lever post 9, the bottom and the oil storage chamber bottom fixed connection of two gag lever posts 9, the surface sliding connection of two gag lever posts 9 has lantern ring 10, lantern ring 10 and metal pole 2 cover are established and are connected, cavity 13 has all been seted up to the both sides of cylinder 3 bottom, the through-hole 12 with oil storage chamber intercommunication has been seted up on the top of cavity 13, the inside of two through-holes 12 all alternates and is connected with connecting rod 11, the bottom fixed connection of the top of two connecting rod 11 and lantern ring 10, the bottom fixed mounting of two connecting rod 11 has rubber piston 15, the surface of two connecting rod 11 all overlaps and is established and is connected with reset spring 14, the top and cavity wall fixed connection of cavity 13 top of cavity wall, the bottom of reset spring 14 and the bottom of two connecting rod 11 and the bottom of rubber piston 15 are equipped with the inside of two cavity 16, the inside of two cavity 16 is equipped with the oil outlet 16.
The reset spring 14 sleeved on the surface of the jack post and the connecting rod 11 inside the valve body is matched with each other to control the lubricating oil in the oil storage cavity to flow out, so that the surface of the valve core body 1 is lubricated, a traditional lubricating liquid layer is replaced, and the phenomenon that the lubricating liquid layer evaporates and solidifies to influence the lubrication is avoided.
According to the annular oil collecting groove 5 is formed in the middle of the annular protruding block 4 as shown in fig. 1 and 2, and the lubricating oil can be collected and the period of the lubricating oil can be prolonged through the annular oil collecting groove 5.
One side at cylinder 3 top has seted up the oil filler point 6 with the oil storage chamber intercommunication, and the inside of oil filler point 6 inlays and is equipped with sealing plug 7, through the oil filler point 6 of seting up, is convenient for pour into lubricating oil to the oil storage chamber.
The size of the end of the connecting rod 11 is smaller than the inner diameter of the through hole 12, and when the lantern ring 10 is jacked up, lubricating oil in the oil storage cavity can flow out of the through hole 12.
The sealing ring is sleeved at the joint of the sealing ring 8 and the metal rod 2, and the sealing performance of the joint is improved through the arrangement of the sealing ring.
The dimensions of the collar 10 are the same as those of the seal ring 8, and the collar 10 can be slidably connected to the stopper rod 9 by the collar 10 being the same as the seal ring 8.
According to the valve core with the lubricating structure, the sealing plug 7 is firstly opened, lubricating oil is injected into the oil storage cavity formed in the cylinder 3 through the oil injection hole 6, then the valve core is installed in the regulating valve, when the regulating valve is in use, the valve core body 1 is lifted along with the valve rod, the jack post installed in the valve body is inserted into the oil outlet 16 in the descending process of the valve core body 1, the rubber piston 15 is pushed to move upwards through the jack post, the rubber piston 15 is moved upwards to drive the connecting rod 11 to move upwards, the connecting rod 11 is moved upwards to drive the lantern ring 10 to move upwards, lubricating oil in the oil storage cavity flows into the bottom of the cavity 13 to flow out, when the valve core body 1 is moved upwards, the jack post is separated from the oil outlet 16, the rubber piston 15 is pushed to move downwards, part of lubricating oil in the cavity 13 is pushed to the position of the oil outlet 16, the surface of the valve core body 1 is conveniently lubricated through the oil outlet 16, friction between the valve core body 1 and the valve body is reduced, and the service life of the valve core body 1 is prolonged.
What is not described in detail in this specification is prior art known to those skilled in the art. The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (6)
1. The utility model provides a case with lubricating structure, includes case body (1), its characterized in that, case body (1) comprises metal pole (2), cylinder (3) and annular lug (4), the top and the bottom of metal pole (2) are all fixed and are equipped with cylinder (3), the fixed annular lug (4) that is equipped with in middle part of metal pole (2), oil storage chamber has been seted up to the inside of cylinder (3), the junction of oil storage chamber and metal pole (2) is fixed and is equipped with sealing ring (8), the equal fixed mounting in both sides of sealing ring (8) bottom has gag lever (9), two the bottom and the oil storage chamber bottom fixed connection of gag lever post (9), two the surface sliding connection of gag lever post (9) has lantern ring (10), lantern ring (10) are established with metal pole (2) cover and are connected, cavity (13) are all seted up on the both sides of cylinder (3) bottom, through-hole (12) with oil storage chamber intercommunication are seted up on the top of cavity (13), two the inside of through-hole (12) alternates is fixed and is equipped with sealing ring (11), two the bottom of connecting rod (11) and two connecting rod (11) are connected with two rubber (11) and two connecting rod (11) are connected with two fixed connection of connecting rod (11), the top of reset spring (14) and cavity (13) top chamber wall fixed connection, the center department fixed connection on the bottom of reset spring (14) and rubber piston (15) top, oil outlet (16) have been seted up to the bottom of cavity (13), two the inside of oil outlet (16) all inlays and is equipped with infiltration cotton (17).
2. The spool with lubrication according to claim 1, wherein: an annular oil collecting groove (5) is formed in the middle of the annular protruding block (4).
3. The spool with lubrication according to claim 1, wherein: an oil filling hole (6) communicated with the oil storage cavity is formed in one side of the top end of the cylinder (3), and a sealing plug (7) is embedded in the oil filling hole (6).
4. The spool with lubrication according to claim 1, wherein: the size of the end of the connecting rod (11) is smaller than the inner diameter of the through hole (12).
5. The spool with lubrication according to claim 1, wherein: and a sealing ring is sleeved at the joint of the sealing ring (8) and the metal rod (2).
6. The spool with lubrication according to claim 1, wherein: the dimensions of the collar (10) are the same as the dimensions of the sealing ring (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323097206.4U CN221121181U (en) | 2023-11-16 | 2023-11-16 | Valve core with lubricating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323097206.4U CN221121181U (en) | 2023-11-16 | 2023-11-16 | Valve core with lubricating structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221121181U true CN221121181U (en) | 2024-06-11 |
Family
ID=91343066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323097206.4U Active CN221121181U (en) | 2023-11-16 | 2023-11-16 | Valve core with lubricating structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221121181U (en) |
-
2023
- 2023-11-16 CN CN202323097206.4U patent/CN221121181U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |