CN218294686U - Valve with good sealing performance - Google Patents
Valve with good sealing performance Download PDFInfo
- Publication number
- CN218294686U CN218294686U CN202222511968.3U CN202222511968U CN218294686U CN 218294686 U CN218294686 U CN 218294686U CN 202222511968 U CN202222511968 U CN 202222511968U CN 218294686 U CN218294686 U CN 218294686U
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- valve
- sealing
- valve rod
- rubber
- rod
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- 238000007789 sealing Methods 0.000 title claims abstract description 75
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- 230000006978 adaptation Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 6
- 230000001276 controlling effect Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model discloses a better valve of sealing performance, the valve rod comprises a valve rod, the sealing plug, valve body and disk seat, be equipped with the inner chamber in the valve body, the inner chamber upper end has a valve gap, the valve rod is located the inner chamber, be formed with clearance fit between valve rod and the valve gap, be equipped with seal assembly on the valve rod, seal assembly is including the rubber pad that from top to bottom sets gradually, the rubber cover body and fixing bearing, be fixed with the sealing rubber ring at fixing bearing external fixation, both ends are equipped with sealed the pad respectively about the sealing rubber piece, the both ends of the rubber cover body are fixed in respectively on rubber pad and the sealing rubber ring, the internal spring that still is equipped with of rubber cover, the lower extreme of spring supports the sealed pad of sealing rubber ring, the upper end supports the rubber pad and presses the clearance department of establishing between valve rod and valve gap to form sealedly. The utility model discloses a valve seals the clearance between valve rod and the baffle through being provided with seal assembly, prevents that liquid or gas in the valve from leaking through the gap between valve and the valve gap, has guaranteed the absolute seal of valve.
Description
Technical Field
The utility model relates to a valve, more specifically say, it relates to a better valve of sealing performance.
Background
The valve is a pipeline accessory used for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters (temperature, pressure and flow) of a conveying medium, and can be divided into a shut-off valve, a check valve, a regulating valve and the like according to functions of the valve.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a better valve of sealing performance.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a better valve of sealing performance, includes valve rod, sealing plug, valve body and sets up the disk seat on the valve body, be equipped with the inner chamber in the valve body, the inner chamber upper end has a valve gap, the sealing plug is located the inner chamber lower extreme, the valve rod is located the inner chamber, and the lower extreme and the sealing plug of valve rod are the rotation and are connected, and the other end wears to establish the valve gap of inner chamber upper end and the disk seat and be screw-thread fit and drive the opening and close of sealing plug vertical movement control valve, be formed with clearance fit between valve rod and the valve gap, the valve rod is located the pole of inner chamber and is equipped with seal assembly, seal assembly is including the rubber pad, the rubber cover body and the fixed bearing that set gradually from top to bottom, the rubber pad cover is located and is the gliding fit on the valve rod, fixed bearing is fixed in the one end that the valve rod is close to the sealing plug the fixed bearing external fixation has the sealing rubber ring, both ends are equipped with respectively about the sealing rubber block and are the sealed pad that is the rotation sealing fit with the valve rod, the rubber cover body cover is located outside the valve rod, just the both ends of rubber cover body seal respectively sealed and are fixed in rubber pad and are sealed the circumference with the sealing ring, still set up and are formed the tight clearance department of sealing between the valve rod.
The utility model discloses further set up to: the inner chamber is equipped with the diaphragm even bottom the valve below both sides are equipped with the exhalant canal that is located the diaphragm below respectively to and be located diaphragm top inhalant canal be equipped with the water passage on the diaphragm, the sealing plug sets up and is the adaptation setting in inhalant canal department, works as inhalant canal and exhalant canal are the intercommunication setting when the sealing plug upwards slides and leaves the diaphragm.
The utility model discloses further set up to: the sealing rubber ring and the sealing gaskets at the upper end and the lower end are integrally formed.
The utility model discloses further set up to: and a hand wheel is also arranged at the upper end of the valve rod.
Through adopting above-mentioned technical scheme, the valve of this practicality is through being provided with seal assembly, can seal up in the clearance between valve rod and the baffle, prevents that liquid or gas in the valve from leaking through the gap between valve and the valve gap, has guaranteed the absolute seal of valve, has solved current valve because long-time use, and when the valve opened the back, the gap can appear in the valve rod of control flap and the valve gap department of valve for liquid or gas leak, lead to the poor problem of leakproofness.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is an enlarged view of a in fig. 1.
1. A valve stem; 2. a sealing plug; 3. a valve body; 30. an inner cavity; 31. a valve cover; 4. a valve seat; 5. a seal assembly; 50. a rubber pad; 51. a rubber cover body; 52. fixing the bearing; 53. sealing the rubber ring; 530. a gasket; 54. a spring; 6. a transverse plate; 60. a water inlet; 7. a water outlet channel; 8. a water inlet channel; 9. a handwheel.
Detailed Description
Embodiments of the present invention are further described with reference to fig. 1 to 2.
The utility model discloses a valve with better sealing performance, which comprises a valve rod 1, a sealing plug 2, a valve body 3 and a valve seat 4 arranged on the valve body 3, wherein an inner cavity 30 is arranged in the valve body 3, a valve cover 31 is arranged at the upper end of the inner cavity 30, the sealing plug 2 is arranged at the lower end of the inner cavity 30, the valve rod 1 is arranged in the inner cavity 30, the lower end of the valve rod 1 is rotatably connected with the sealing plug 2, the valve cover 31 with the other end penetrating through the upper end of the inner cavity 30 is in threaded fit with the valve seat 4 to drive the sealing plug 2 to move up and down to control the opening and closing of the valve, a hand wheel 9 is also arranged at the upper end of the valve rod 1, a clearance fit is formed between the valve rod 1 and the valve cover 31, a sealing component 5 is arranged on the rod body of the valve rod 1 which is arranged in the inner cavity 30, the sealing component 5 comprises a rubber pad 50, a rubber cover body 51 and a fixed bearing 52 which are sequentially arranged from top to bottom, the sealing device is characterized in that the rubber pad 50 is sleeved on the valve rod 1 and is in up-down sliding fit, the fixed bearing 52 is fixed at one end, close to the sealing plug 2, of the valve rod 1, a sealing rubber ring 53 is fixed outside the fixed bearing 52, sealing gaskets 530 which are in rotary sealing fit with the valve rod 1 are arranged at the upper end and the lower end of the sealing rubber block respectively, the rubber cover body 51 is sleeved outside the valve rod 1, the two ends of the rubber cover body 51 are fixed on the circumferences of the rubber pad 50 and the sealing rubber ring 53 in a sealing mode respectively, a spring 54 sleeved on the valve rod 1 is further arranged in the rubber cover body 51, the lower end of the spring 54 abuts against the sealing gaskets 530 of the sealing rubber ring 53, and the upper end of the spring 54 abuts against the rubber pad 50 to tightly press the rubber pad 50 at a gap between the valve rod 1 and the valve cover 31 to form sealing.
Further, the inner cavity 30 is provided with a transverse plate 6 at the bottom, water outlet channels 7 located below the transverse plate 6 and water inlet channels 8 located above the transverse plate 6 are respectively arranged on two sides below the valve, water through holes 60 are formed in the transverse plate 6, the sealing plug 2 is arranged at the position of the water through holes 60 in a matched arrangement, and when the sealing plug 2 slides upwards to leave the transverse plate 6, the water inlet channels 8 and the water outlet channels 7 are arranged in a communicated manner.
Further, the sealing rubber ring 53 and the sealing gaskets 530 at the upper and lower ends are integrally formed.
The working principle is as follows: as shown in fig. 2, when the valve is in a closed state, the spring 54 presses the rubber pad 50 tightly against the rubber pad 50 to form a seal at the gap between the valve stem 1 and the valve cover 31.
When people rotate the valve rod 1 to open the valve, the valve rod 1 can drive the fixed bearing 52 and the sealing rubber ring 53 arranged on the circumference of the fixed bearing 52 to move upwards, the sealing rubber ring 53 is fixed on the fixed bearing 52 in the process of moving upwards, so that the sealing rubber ring 53 cannot rotate due to the rotation of the valve rod 1, the spring 54 can be stressed to compress in the process of moving the sealing rubber ring 53, and a stronger pressing force is brought to the rubber pad 50 at the upper end of the spring 54, so that after the valve is opened, a gap between the valve rod 1 of the control valve and the valve cover 31 of the valve can be better sealed.
Through being provided with sealed the pad 530 and the rubber cover body 51, can waterproof spring 54 and fixing bearing 52, prevent that spring 54 and fixing bearing 52 from exposing for a long time and causing rust or corruption in the liquid, great improvement the life of valve.
The utility model discloses a valve is through being provided with seal assembly 5, can seal up in the clearance between valve rod 1 and the baffle, prevents that liquid or gas in the valve from leaking through the gap between valve and the valve gap 31, has guaranteed the absolute seal of valve, has solved current valve because long-time use, and when the valve was opened the back, the gap can appear in valve rod 1 of control flap and the valve gap 31 department of valve for liquid or gas leakage lead to the poor problem of leakproofness.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the fan belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (4)
1. The utility model provides a better valve of sealing performance, includes valve rod, sealing plug, valve body and sets up the disk seat on the valve body, its characterized in that: the sealing structure is characterized in that an inner cavity is arranged in the valve body, a valve cover is arranged at the upper end of the inner cavity, the sealing plug is arranged at the lower end of the inner cavity, the valve rod is arranged in the inner cavity, the lower end of the valve rod is rotatably connected with the sealing plug, the other end of the valve cover, which penetrates through the upper end of the inner cavity, is in threaded fit with the valve seat to drive the sealing plug to move up and down, a gap is formed between the valve rod and the valve cover, a sealing assembly is arranged on the rod body of the inner cavity and comprises a rubber pad, a rubber cover body and a fixed bearing, the rubber cover body is arranged on the valve rod in a sliding fit mode, the fixed bearing is fixed at one end, close to the sealing plug, of the valve rod, a sealing rubber ring is fixed outside the fixed bearing, sealing gaskets in a rotating sealing fit with the valve rod are arranged at the upper end and the lower end of the sealing rubber cover body respectively, the two ends of the rubber cover body are sealed and fixed on the circumferences of the rubber pad and the sealing rubber ring respectively, a spring sleeved on the valve rod is further arranged in the rubber cover body, the lower end of the sealing rubber ring, and the upper end of the rubber pad is tightly pressed on the gap between the valve rod and the valve cover to form a sealing gasket.
2. The valve with better sealing performance according to claim 1, is characterized in that: the inner chamber is equipped with the diaphragm even bottom the valve below both sides are equipped with the exhalant canal that is located the diaphragm below respectively to and be located diaphragm top inhalant canal be equipped with the water passage on the diaphragm, the sealing plug sets up and is the adaptation setting in inhalant canal department, works as inhalant canal and exhalant canal are the intercommunication setting when the sealing plug upwards slides and leaves the diaphragm.
3. The valve with better sealing performance according to claim 2, characterized in that: the sealing rubber ring and the sealing gaskets at the upper end and the lower end are integrally formed.
4. The valve with better sealing performance according to claim 1, characterized in that: and a hand wheel is also arranged at the upper end of the valve rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222511968.3U CN218294686U (en) | 2022-09-21 | 2022-09-21 | Valve with good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222511968.3U CN218294686U (en) | 2022-09-21 | 2022-09-21 | Valve with good sealing performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218294686U true CN218294686U (en) | 2023-01-13 |
Family
ID=84816857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222511968.3U Active CN218294686U (en) | 2022-09-21 | 2022-09-21 | Valve with good sealing performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218294686U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116447384A (en) * | 2023-05-05 | 2023-07-18 | 浙江利永达制冷机械有限公司 | A multi-stage sealed refrigeration valve and its application method |
-
2022
- 2022-09-21 CN CN202222511968.3U patent/CN218294686U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116447384A (en) * | 2023-05-05 | 2023-07-18 | 浙江利永达制冷机械有限公司 | A multi-stage sealed refrigeration valve and its application method |
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