CN218913784U - Low lubrication solenoid valve seal valve core - Google Patents
Low lubrication solenoid valve seal valve core Download PDFInfo
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- CN218913784U CN218913784U CN202223472939.7U CN202223472939U CN218913784U CN 218913784 U CN218913784 U CN 218913784U CN 202223472939 U CN202223472939 U CN 202223472939U CN 218913784 U CN218913784 U CN 218913784U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model provides a low-lubrication electromagnetic valve sealing valve core. The low-lubrication electromagnetic valve sealing valve core comprises a columnar valve core, a valve sleeve connected with the valve core, a fixed seat for fixing the valve sleeve and a sealing valve gasket connected between the valve sleeve and the fixed seat; the sealing valve pad is made of polytetrafluoroethylene materials, the connecting part of the sealing valve pad and the valve sleeve is arranged to be conical, and the inner diameter of the conical small opening of the sealing valve pad is matched with the outer diameter of the valve sleeve. The sealing valve gasket is made of the self-lubricating polytetrafluoroethylene material with good friction performance, has high lubricity and non-tackiness, and the contact surface of the sealing valve gasket and the valve sleeve is arranged into a cone shape, so that the contact position of the sealing gasket and the valve sleeve is changed from surface contact to line contact, the sealing requirement can be met, the requirement of small friction resistance can be met, the sealing can be ensured to be free from leakage when the valve core and valve sleeve component moves up and down, and the valve core and valve sleeve component can move sensitively and meet the performance requirement of the electromagnetic valve.
Description
Technical Field
The utility model relates to a valve core structure, in particular to a low-lubrication electromagnetic valve sealing valve core.
Background
The solenoid valve core is the most important component in the solenoid valve, and the sealing performance and the action sensitivity of the solenoid valve core determine the external working characteristic of the solenoid valve. When the electromagnetic valve works, the valve core is influenced by electromagnetic force to move up and down, the stress requirement in the process is small, the sealing performance is good, the sealing valve gasket of the existing electromagnetic valve core is a circular sealing gasket made of rubber materials, and the sealing performance meets the requirement, but the sealing gasket is in surface contact with the valve sleeve because of high rubber friction resistance, the friction is increased due to the fact that the contact surface is compared with the sealing gasket, the response time of the electromagnetic valve is increased due to slow movement of a product during the action, and the requirement cannot be met.
Disclosure of Invention
The utility model provides the sealing valve core of the low-lubrication electromagnetic valve aiming at the problems in the prior art, which can meet the sealing requirement and the requirement of small friction resistance, ensure the sealing to be free from leakage, and simultaneously can be sensitive in action and meet the performance requirement of the electromagnetic valve.
In order to achieve the technical aim, the utility model provides a low-lubrication electromagnetic valve sealing valve core, which comprises a columnar valve core, a valve sleeve connected with the valve core, a fixing seat for fixing the valve sleeve and a sealing valve gasket connected between the valve sleeve and the fixing seat; the sealing valve pad is made of polytetrafluoroethylene materials, the connecting part of the sealing valve pad and the valve sleeve is arranged to be conical, and the inner diameter of the conical small opening of the sealing valve pad is matched with the outer diameter of the valve sleeve.
The utility model further adopts the technical scheme that: the columnar valve core is riveted with the valve sleeve, the fixed seat is sleeved on the outer side of the valve sleeve, a sealing gap is formed between the inner wall of the fixed seat and the outer wall of the valve sleeve, and the sealing valve gasket is embedded in the sealing gap.
The utility model has the preferable technical scheme that: the external diameter of sealing valve pad matches with the internal diameter of fixing base, and the internal ring face of sealing valve pad sets up to the toper, contained angle a that forms between the toper internal ring face of sealing valve pad and the outer wall of valve pocket is less than 20.
The utility model has the preferable technical scheme that: the sealing valve gasket comprises an outer annular gasket and a conical gasket at the middle part, wherein the outer diameter of the annular gasket is matched with the width of a sealing gap, and the height of the annular gasket is lower than that of the conical gasket.
The sealing valve gasket is made of self-lubricating polytetrafluoroethylene material with good friction performance, soft mechanical property, very low surface energy, high lubrication, minimum friction coefficient (0.04) in plastics, non-viscosity and minimum surface tension in solid materials without adhesion of any substances. Meanwhile, the shape of the sealing valve gasket is designed into a cone shape, the inner diameter of a small opening of the cone-shaped sealing valve gasket is matched with the outer diameter of the valve sleeve, so that the contact part of the sealing gasket and the valve sleeve is changed from surface contact to line contact, the sealing requirement can be met, the requirement of small friction resistance can be met, and when the valve core and valve sleeve assembly moves up and down, the sealing can be ensured to be free from leakage, and meanwhile, the movement is sensitive, and the performance requirement of the electromagnetic valve can be met.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is an enlarged schematic view of the seal gasket portion of the present utility model;
fig. 3 is a cross-sectional view of a sealing valve gasket of the present utility model.
In the figure: 1-columnar valve core, 2-valve sleeve, 3-fixing seat, 4-sealing valve gasket, 400-annular gasket, 401-conical gasket and 5-sealing gap.
Detailed Description
The utility model is further described below with reference to the drawings and examples. Figures 1 to 3 are drawings of embodiments, drawn in a simplified manner, for the purpose of clearly and concisely illustrating embodiments of the present utility model. The following technical solutions presented in the drawings are specific to embodiments of the present utility model and are not intended to limit the scope of the claimed utility model. 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.
In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, or the directions or positional relationships conventionally put in place when the inventive product is used, or the directions or positional relationships conventionally understood by those skilled in the art are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific direction, be configured and operated in a specific direction, and therefore should not be construed as limiting the present utility model.
The embodiment provides a low-lubrication electromagnetic valve sealing valve core, as shown in fig. 1 to 3, the valve core comprises a columnar valve core 1, a valve sleeve 2 connected with the valve core, a fixed seat 3 for fixing the valve sleeve and a sealing valve gasket 4 connected between the valve sleeve 2 and the fixed seat 3; the columnar valve core 1 is riveted with the valve sleeve 2, the fixed seat 3 is sleeved on the outer side of the valve sleeve 2, a sealing gap 5 is formed between the inner wall of the fixed seat 3 and the outer wall of the valve sleeve 2, and the sealing valve gasket 4 is embedded in the sealing gap 5; the sealing valve pad 4 is made of polytetrafluoroethylene materials, the connecting part of the sealing valve pad 4 and the valve sleeve 2 is arranged into a cone shape, the inner diameter of the conical small opening of the sealing valve pad 4 is matched with the outer diameter of the valve sleeve 2, so that the contact part of the sealing gasket and the valve sleeve is changed from surface contact to line contact, and the sealing requirement can be met while the requirement of small friction resistance can be met.
For ease of installation, the sealing valve gasket 4 in the embodiment shown in fig. 3 comprises an outer annular gasket 400 and a middle conical gasket 401, the outer diameter of the annular gasket 400 being matched to the width of the sealing gap 5, the height of the annular gasket 400 being lower than the height of the conical gasket 401. The outer diameter of the annular gasket 400 of the sealing valve gasket 4 is matched with the inner diameter of the fixed seat 3, and an included angle a formed between the conical inner annular surface of the conical gasket 401 and the outer wall of the valve sleeve 2 is smaller than 20 degrees.
When the valve is installed, the columnar valve core 1 and the valve sleeve 2 connected with the valve core are riveted firmly, the assembly is installed into the fixed seat 4 from one end of the valve core, and then the sealing valve gasket 3 is installed into the sealing gap 5 between the valve sleeve 2 and the fixed seat 4 by using a special tool. Because the sealing valve gasket 3 is made of self-lubricating polytetrafluoroethylene material with good friction performance, the polytetrafluoroethylene has softer mechanical property, very low surface energy, high lubricity and non-tackiness; meanwhile, the shape of the sealing valve gasket 3 is designed into a cone shape, so that the contact part of the sealing gasket and the valve sleeve is changed from surface contact to line contact, the sealing requirement can be met, the requirement of small friction resistance can be met, and when the valve core and valve sleeve assembly moves up and down, the sealing can be ensured to be free from leakage, and meanwhile, the valve core and valve sleeve assembly can move sensitively, and the performance requirement of the electromagnetic valve can be met.
The foregoing description is of one embodiment of the utility model and is thus not to be taken as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of the utility model should be assessed as that of the appended claims.
Claims (4)
1. A low lubrication solenoid valve seal valve core is characterized in that: the valve core comprises a columnar valve core (1), a valve sleeve (2) connected with the valve core, a fixed seat (3) for fixing the valve sleeve and a sealing valve gasket (4) connected between the valve sleeve (2) and the fixed seat (3); the sealing valve pad (4) is made of polytetrafluoroethylene materials, the connecting part of the sealing valve pad (4) and the valve sleeve (2) is arranged to be conical, and the inner diameter of a conical small opening of the sealing valve pad (4) is matched with the outer diameter of the valve sleeve (2).
2. The low lubrication solenoid valve seal cartridge of claim 1, wherein: the columnar valve core (1) is riveted with the valve sleeve (2), the fixing seat (3) is sleeved on the outer side of the valve sleeve (2), a sealing gap (5) is formed between the inner wall of the fixing seat (3) and the outer wall of the valve sleeve (2), and the sealing valve gasket (4) is embedded in the sealing gap (5).
3. The low lubrication solenoid valve seal cartridge of claim 1 or 2, wherein: the outer diameter of the sealing valve gasket (4) is matched with the inner diameter of the fixing seat (3), the inner annular surface of the sealing valve gasket (4) is arranged to be conical, and an included angle a formed between the conical inner annular surface of the sealing valve gasket (4) and the outer wall of the valve sleeve (2) is smaller than 20 degrees.
4. The low lubrication solenoid valve seal cartridge of claim 2, wherein: the sealing valve gasket (4) comprises an outer annular gasket (400) and a conical gasket (401) at the middle part, wherein the outer diameter of the annular gasket (400) is matched with the width of the sealing gap (5), and the height of the annular gasket (400) is lower than that of the conical gasket (401).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223472939.7U CN218913784U (en) | 2022-12-22 | 2022-12-22 | Low lubrication solenoid valve seal valve core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223472939.7U CN218913784U (en) | 2022-12-22 | 2022-12-22 | Low lubrication solenoid valve seal valve core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218913784U true CN218913784U (en) | 2023-04-25 |
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ID=86048309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223472939.7U Active CN218913784U (en) | 2022-12-22 | 2022-12-22 | Low lubrication solenoid valve seal valve core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218913784U (en) |
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2022
- 2022-12-22 CN CN202223472939.7U patent/CN218913784U/en active Active
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