CN212360827U - High-sealing stop valve - Google Patents
High-sealing stop valve Download PDFInfo
- Publication number
- CN212360827U CN212360827U CN202021160827.6U CN202021160827U CN212360827U CN 212360827 U CN212360827 U CN 212360827U CN 202021160827 U CN202021160827 U CN 202021160827U CN 212360827 U CN212360827 U CN 212360827U
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- valve
- sealing ring
- boss
- filter screen
- sealing
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Abstract
The utility model relates to a high sealed stop valve, reach the valve port sealed with the case cooperation including valve body, valve rod, case, the outside cover of case is equipped with the seal cover, seal cover lower extreme middle part forms the arc arch, this arch with the valve port is contradicted, the bellied outside is equipped with the sealing ring that the cross-section is three horn shapes, the upper end and the seal cover fixed connection of sealing ring, the opening part of valve port is equipped with the bevel connection with the sealing ring adaptation, the bevel connection diminishes gradually from top to bottom, the both sides of valve body are equipped with feed liquor end and play liquid end respectively, the feed liquor end is equipped with the filter screen with the opening part inboard of play liquid end, be equipped with the fluoroplastics layer in the valve body, the thickness on fluoroplastics layer is 0.4-1.3mm to provide a high sealed, have filtering capability, corrosion-resistant.
Description
Technical Field
The utility model relates to the technical field of valves, in particular to high sealed stop valve.
Background
The shut-off valve is also called a shut-off valve, and belongs to a forced sealing type valve, so when the valve is closed, pressure must be applied to the valve clack to force the sealing surface not to leak. When the medium enters the valve from the lower part of the valve clack, the resistance to be overcome by the operating force is the friction force between the valve rod and the packing and the thrust generated by the pressure of the medium, the force for closing the valve is larger than the force for opening the valve, so the diameter of the valve rod is larger, otherwise the failure of the valve rod buckling can occur.
In the prior art, the sealing performance of the stop valve is poor, leakage is easy to occur, and therefore the use is inconvenient.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a stop valve that high is sealed, have filtering capability, corrosion-resistant, wear-resisting.
The technical scheme of the utility model is realized like this: the utility model provides a high sealed stop valve, includes valve body, valve rod, case and the valve port sealed with the case cooperation, the outside cover of case is equipped with the seal cover, seal cover lower extreme middle part forms arc arch, this arch with the valve port is contradicted, the bellied outside is equipped with the sealing ring that the cross-section is three horn shapes, the upper end and the seal cover fixed connection of sealing ring, the opening part of valve port is equipped with the bevel connection with the sealing ring adaptation, the bevel connection diminishes from top to bottom gradually, the both sides of valve body are equipped with feed liquor end and liquid outlet end respectively, the opening part inboard of feed liquor end and liquid outlet end is equipped with the filter screen, be equipped with the fluoroplastics layer in the valve body, the thickness of fluoroplastics layer is 0.4.
By adopting the technical scheme, the outer side of the valve core is sleeved with the sealing sleeve, the sealing sleeve is convenient to abut against the valve port for sealing when in closure, the sealing effect is improved, the middle part of the lower end of the sealing sleeve is provided with the arc-shaped bulge which can further improve the sealing effect, when the valve core descends, the bulge abuts against the valve port, the outer side of the bulge is provided with the sealing ring with the triangular section, the upper end of the sealing ring is fixedly connected with the sealing sleeve, the sealing ring and the sealing sleeve are integrally formed, the opening part of the valve port is provided with the bevel opening matched with the sealing ring, when the valve core is pressed downwards, the sealing ring can continuously extrude and abut against the bevel opening, the connection sealing property is greatly improved, the use efficiency is improved, the bevel opening is gradually reduced from top to bottom, so that the valve core is convenient to be matched, the both sides of valve body are equipped with the feed liquor end respectively and go out the liquid end, the feed liquor end is equipped with the filter screen with the opening part inboard that goes out the liquid end, the setting of filter screen is carried out first filtration by feed liquor end department, goes out the liquid end during outflow and carries out the second time fixed, has improved the quality of fluidal, and the efficient of getting rid of impurity has improved the efficiency of using, be equipped with the fluoroplastics layer in the valve body, the fluoroplastics layer has wear-resisting and corrosion-resistant effect, can improve the life of valve body greatly, the thickness of fluoroplastics layer is 0.4-1.3mm, and the fluoroplastics layer adopts the mode of coating to process, has improved the convenience of.
The utility model discloses further set up to: the liquid inlet end and the liquid outlet end form a first boss for placing the filter screen and a second boss for abutting against the filter screen, the first boss is located at the lower end of the inner wall of the liquid inlet end or the liquid outlet end, and the second boss is located at the upper end of the inner wall of the liquid inlet end or the liquid outlet end.
Through adopting above-mentioned technical scheme, the installation of the filter screen has been convenient for in the setting of first boss, the crushing resistance that is convenient for improve the filter screen in the setting of second boss has an effort of contradicting to the filter screen.
The utility model discloses further set up to: the filter screen deviates from one side of the opening and is inconsistent with the side wall of the second boss.
Through adopting above-mentioned technical scheme, consequently be convenient for improve the firmness of filter screen installation has improved compressive property and life.
The utility model discloses further set up to: the outer side of the valve rod is sleeved with a fixed seat, a sealing ring and a filler are arranged in the fixed seat, and the filler is located at the upper end of the sealing ring.
By adopting the technical scheme, the sealing ring is positioned at the lower end of the inner side of the fixing seat, the sealing ring and the inner side of the packing are in contact with the valve rod, and the arrangement of the packing and the sealing ring greatly improves the ascending and descending sealing performance of the valve rod.
The utility model discloses further set up to: the top of valve rod is equipped with the hand wheel, the outside of hand wheel is equipped with the rubber sleeve.
Through adopting above-mentioned technical scheme, consequently improve frictional force during the manual control valve rod of being convenient for, the outside of rubber sleeve is including a plurality of granules, consequently can further improvement frictional force, convenient to use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a sectional view of the overall structure of an embodiment of the present invention;
fig. 2 is an enlarged view of a portion a in fig. 1 according to an embodiment of the present invention.
Reference numerals: 1. a valve body; 101. a liquid outlet end; 102. a liquid inlet end; 103. filtering with a screen; 104. a first boss; 105. a second boss; 2. a valve stem; 201. a fixed seat; 202. a seal ring; 203. a filler; 204. a hand wheel; 205. a rubber sleeve; 3. a valve core; 301. sealing sleeves; 302. a seal ring; 4. a valve port; 401. and (4) beveling.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 2, the utility model discloses a high-sealing stop valve, which comprises a valve body 1, a valve rod 2, a valve core 3 and a valve port 4 matched and sealed with the valve core 3, wherein the outer side of the valve core 3 is sleeved with a sealing sleeve 301, the sealing sleeve 301 is arranged to be convenient for abutting against the valve port 4 for sealing when intercepting, thereby improving the sealing effect, an arc-shaped bulge is formed in the middle of the lower end of the sealing sleeve 301, the bulge can further improve the sealing effect, when the valve core 3 descends, the bulge abuts against the valve port 4, the outer side of the bulge is provided with a sealing ring 302 with a triangular cross section, the upper end of the sealing ring 302 is fixedly connected with the sealing sleeve 301, the sealing ring 302 and the sealing sleeve 301 are integrally formed, the opening of the valve port 4 is provided with an oblique port 401 matched with the sealing ring 302, when the valve core 3 is pressed downwards, the sealing ring 302, the leakproofness of connection has been improved greatly, has improved the efficiency of use, bevel connection 401 from top to bottom diminishes gradually, consequently be convenient for with sealing ring 302 looks adaptation, the both sides of valve body 1 are equipped with feed liquor end 102 respectively and go out liquid end 101, feed liquor end 102 is equipped with filter screen 103 with the opening part inboard that goes out liquid end 101, filter screen 103's setting is carried out first filtration by feed liquor end 102 department, goes out liquid end 101 when flowing out and carries out the second time fixed, has improved the quality of fluid matter, and the efficient of getting rid of impurity has improved the efficiency of using, be equipped with the fluoroplastics layer in the valve body 1, the fluoroplastics layer has wear-resisting and corrosion-resistant effect, can improve valve body 1's life greatly, the thickness on fluoroplastics layer is 0.4-1.3mm, and the fluoroplastics layer adopts the mode of coating to process, has improved the convenience of processing.
Feed liquor end 102 and play liquid end 101 form the first boss 104 that supplies filter screen 103 to place and be used for the second boss 105 of contradicting filter screen 103, first boss 104 is located the lower extreme of feed liquor end 102 or play liquid end 101 inner wall, and second boss 105 is located the upper end of feed liquor end 102 or play liquid end 101 inner wall, the installation of filter screen 103 has been convenient for in setting up of first boss 104, the resistance to compression of filter screen 103 is convenient for improve in setting up of second boss 105, has the effort of a conflict to filter screen 103.
The filter screen 103 deviates from open-ended one side and the second boss 105 lateral wall is inconsistent, is convenient for improve the firmness of filter screen 103 installation has improved compressive property and life.
The outer side of the valve rod 2 is sleeved with a fixed seat 201, a sealing ring 202 and a packing 203 are arranged in the fixed seat 201, the packing 203 is located at the upper end of the sealing ring 202, the sealing ring 202 is located at the lower end of the inner side of the fixed seat 201, the inner sides of the sealing ring 202 and the packing 203 are in contact with the valve rod 2, and the arrangement of the packing 203 and the sealing ring 202 greatly improves the ascending and descending sealing performance of the valve rod 2.
The top of valve rod 2 is equipped with hand wheel 204, the outside of hand wheel 204 is equipped with rubber sleeve 205, improves frictional force when consequently being convenient for manual control valve rod 2, rubber sleeve 205's the outside is including a plurality of granules, consequently can further improvement frictional force, convenient to use.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a high sealed stop valve, includes valve body, valve rod, case and with the sealed valve port of case cooperation, its characterized in that: the outer side of the valve element is sleeved with a sealing sleeve, an arc-shaped protrusion is formed in the middle of the lower end of the sealing sleeve and is abutted to the valve port, a sealing ring with a triangular cross section is arranged on the outer side of the protrusion, the upper end of the sealing ring is fixedly connected with the sealing sleeve, an inclined opening matched with the sealing ring is formed in the opening of the valve port, the inclined opening is gradually reduced from top to bottom, a liquid inlet end and a liquid outlet end are respectively arranged on two sides of the valve body, filter screens are arranged on the inner sides of the openings of the liquid inlet end and the liquid outlet end, a fluoroplastic layer is arranged in the valve body, and the thickness of the.
2. The high seal stop valve of claim 1, wherein: the liquid inlet end and the liquid outlet end form a first boss for placing the filter screen and a second boss for abutting against the filter screen, the first boss is located at the lower end of the inner wall of the liquid inlet end or the liquid outlet end, and the second boss is located at the upper end of the inner wall of the liquid inlet end or the liquid outlet end.
3. The high seal stop valve of claim 2, wherein: the filter screen deviates from one side of the opening and is inconsistent with the side wall of the second boss.
4. The high seal stop valve of claim 1, wherein: the outer side of the valve rod is sleeved with a fixed seat, a sealing ring and a filler are arranged in the fixed seat, and the filler is located at the upper end of the sealing ring.
5. The high seal stop valve of claim 1, wherein: the top of valve rod is equipped with the hand wheel, the outside of hand wheel is equipped with the rubber sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021160827.6U CN212360827U (en) | 2020-06-20 | 2020-06-20 | High-sealing stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021160827.6U CN212360827U (en) | 2020-06-20 | 2020-06-20 | High-sealing stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212360827U true CN212360827U (en) | 2021-01-15 |
Family
ID=74151123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021160827.6U Active CN212360827U (en) | 2020-06-20 | 2020-06-20 | High-sealing stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212360827U (en) |
-
2020
- 2020-06-20 CN CN202021160827.6U patent/CN212360827U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |