CN216200787U - Spring-free steel cylinder valve - Google Patents
Spring-free steel cylinder valve Download PDFInfo
- Publication number
- CN216200787U CN216200787U CN202122607456.2U CN202122607456U CN216200787U CN 216200787 U CN216200787 U CN 216200787U CN 202122607456 U CN202122607456 U CN 202122607456U CN 216200787 U CN216200787 U CN 216200787U
- Authority
- CN
- China
- Prior art keywords
- mounting hole
- hole
- valve
- diaphragm
- pressing block
- 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.)
- Active
Links
Images
Landscapes
- Lift Valve (AREA)
Abstract
The utility model discloses a spring-free steel cylinder valve, wherein a valve body is provided with a first mounting hole, an air inlet hole and an air outlet hole, an annular valve core, a combined diaphragm and a pressing ring are sequentially arranged inside the first mounting hole from bottom to top, the bottom end of a valve seat is in threaded connection with the first mounting hole, the bottom surface of the valve seat is pressed on the top surface of the pressing ring, a second mounting hole is formed in the valve seat, a pressing block and a brake rod arranged at the top end of the pressing block are arranged in the second mounting hole, steel balls are arranged in the brake rod, the bottom end of the pressing block penetrates through a central hole of the pressing ring and is pressed on the top surface of the combined diaphragm, a leakage detecting hole communicated with the bottom of the inner wall of the first mounting hole is formed in the valve body, and the combined diaphragm comprises a corrosion-resistant metal diaphragm and a high-elasticity metal diaphragm. The utility model simplifies the structure of the gas flow passage, is beneficial to removing trace gas, reduces the possibility of gas pollution, and can prolong the service life of the steel cylinder valve by adopting the combined diaphragm.
Description
Technical Field
The utility model belongs to the technical field of special gas valves, and particularly relates to a spring-free steel cylinder valve.
Background
The steel cylinder valve has wide application in various gas fields with special performance requirements, such as electronic gas, petrochemical gas, standard gas and other industries. Electronic gases used in the semiconductor industry are not only extremely pure, but also corrosive, and therefore, have corresponding requirements for devices, equipment and pipelines for producing and storing gases, wherein valves are an important part. The prior steel cylinder valve has the following defects in the actual use process: 1. when gas of the spring type steel cylinder valve flows through the valve body, the gas needs to pass through the spring, impurities are easy to remain in a surrounding structure of the spring, corrosion is caused, and trace gas is not easy to remove; 2. the diaphragm structure is fastened by threads or welded by the aid of threads, the pressing block and the diaphragm are welded into a whole, the pressing block drives the diaphragm to move up and down, so that the welding seam of the diaphragm is prone to fatigue cracking, leakage risks exist, and the service life of the diaphragm is short; therefore, a springless cylinder valve should be provided.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a spring-free steel cylinder valve, which is simple in structure and reasonable in design, simplifies the structure of a gas flow passage, is beneficial to removing trace gas, reduces the possibility of gas pollution, and can prolong the service life of the steel cylinder valve by adopting a combined diaphragm.
In order to solve the technical problems, the utility model adopts the technical scheme that: the utility model provides a no spring steel cylinder valve, includes valve body and disk seat, its characterized in that: the valve body is provided with a first mounting hole, an air inlet hole and an air outlet hole which are communicated with the bottom surface of the first mounting hole, the inside of the first mounting hole is sequentially provided with an annular valve core, a combined diaphragm and a compression ring from bottom to top, the bottom end of the valve seat is in threaded connection with the first mounting hole, the bottom surface of the valve seat is pressed on the top surface of the pressing ring, a second mounting hole is arranged on the valve seat, a pressing block is arranged in the second mounting hole, a brake rod is arranged at the top end of the pressing block, steel balls are arranged in the brake rod, the bottom end of the pressing block penetrates through the central hole of the pressing ring and is pressed on the top surface of the combined diaphragm, the valve body is provided with a leak detection hole communicated with the bottom of the inner wall of the first mounting hole, and the combined type membrane comprises a corrosion-resistant metal membrane positioned at the bottommost layer and three layers of high-elasticity metal membranes positioned on the top surface of the corrosion-resistant metal membrane.
Foretell no spring steel cylinder valve which characterized in that: a first sealing ring is arranged between the brake rod and the valve seat, a second sealing ring is arranged between the valve seat and the inner wall of the first mounting hole, a third sealing ring is arranged between the pressing block and the second mounting hole, and a fourth sealing ring is arranged between the pressing ring and the inner wall of the first mounting hole.
Foretell no spring steel cylinder valve which characterized in that: and the horizontal height of the leak detection hole is lower than that of the fourth sealing ring.
Foretell no spring steel cylinder valve which characterized in that: the central line of the air inlet hole coincides with the central line of the first mounting hole, the air outlet hole comprises a horizontal hole section and a vertical hole section which penetrates between the first mounting hole and the horizontal hole section, and the central line of the vertical hole section is parallel to the central line of the first mounting hole.
Foretell no spring steel cylinder valve which characterized in that: the bottom of the brake rod is in threaded connection with the first mounting hole, and the top of the brake rod is provided with a brake handle.
Compared with the prior art, the utility model has the following advantages:
1. according to the utility model, the annular valve core, the combined type diaphragm and the pressing ring are sequentially arranged in the first mounting hole from bottom to top, the bottom end of the valve seat is in threaded connection with the first mounting hole, the bottom surface of the valve seat is pressed on the top surface of the pressing ring, the second mounting hole is formed in the valve seat, the pressing block is arranged in the second mounting hole, and the brake rod is arranged at the top end of the pressing block; when the steel cylinder valve needs to be opened, the brake rod only needs to be manually rotated anticlockwise, the clamping claws at the bottom end of the brake rod can drive the pressing block to move upwards, so that the pressing block is separated from the annular valve core, and at the moment, the combined type membrane can be restored to a state before being compressed, namely the opening of the steel cylinder valve can be realized; compared with the prior art, the steel cylinder valve has the advantages that the spring is not used, the installation seat is not required to be arranged below the pressing block, the structure of the gas flow channel is simplified, trace gas can be removed conveniently, and the possibility of pollution to the gas is reduced.
2. According to the utility model, the combined type diaphragm is adopted, the combined type diaphragm comprises the corrosion-resistant metal diaphragm and the three layers of high-elasticity metal diaphragms, the corrosion-resistant metal diaphragm and the high-elasticity metal diaphragm are of an integral structure, when the steel cylinder valve is opened, the three layers of high-elasticity metal diaphragms can be opened upwards by utilizing the elasticity of the three layers of high-elasticity metal diaphragms, the corrosion resistance of the combined type diaphragm can be improved by the corrosion-resistant metal diaphragm, no drilling is needed on the corrosion-resistant metal diaphragm and the high-elasticity metal diaphragm, and no pressing block and the combined type diaphragm are needed to be welded into a whole, so that the combined type diaphragm has the advantages of good sealing performance and good fatigue resistance, and the service life of the steel cylinder valve is prolonged.
3. The utility model has simple structure and reasonable design, and is convenient for popularization and application.
In conclusion, the combined type steel cylinder valve is simple in structure and reasonable in design, the structure of the gas flow channel is simplified, trace gas can be removed easily, the possibility of pollution to gas is reduced, and the service life of the steel cylinder valve can be prolonged by adopting the combined type membrane.
The utility model is described in further detail below with reference to the figures and examples.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Description of reference numerals:
1-a valve body; 2-combined type membrane; 3-leak detection;
4, a compression ring; 5, briquetting; 6-steel balls;
7, valve seat; 8-brake lever; 9-a brake handle;
10-a first sealing ring; 11-a second sealing ring; 12-third seal ring;
13-fourth seal ring; 14-air outlet holes; 15-annular valve core;
16-air intake.
Detailed Description
As shown in figure 1, the utility model comprises a valve body 1 and a valve seat 7, wherein a first mounting hole, an air inlet hole 16 and an air outlet hole 14 communicated with the bottom surface of the first mounting hole are formed on the valve body 1, an annular valve core 15, a combined diaphragm 2 and a pressing ring 4 are sequentially arranged in the first mounting hole from bottom to top, the bottom end of the valve seat 7 is in threaded connection with the first mounting hole, the bottom surface of the valve seat 7 is pressed on the top surface of the pressing ring 4, a second mounting hole is formed on the valve seat 7, a pressing block 5 is arranged in the second mounting hole, a braking rod 8 is arranged at the top end of the pressing block 5, a steel ball 6 is arranged in the braking rod 8, the bottom end of the pressing block 5 penetrates through the central hole of the pressing ring 4 and is pressed on the top surface of the combined diaphragm 2, a leakage detecting hole 3 communicated with the bottom of the inner wall of the first mounting hole is formed on the valve body 1, the combined type membrane 2 comprises a corrosion-resistant metal membrane positioned at the bottommost layer and three layers of high-elasticity metal membranes positioned on the top surface of the corrosion-resistant metal membrane.
As shown in fig. 1, in this embodiment, an annular valve core 15, a combined diaphragm 2 and a pressing ring 4 are sequentially installed inside a first installation hole from bottom to top, and the bottom end of the valve seat 7 is in threaded connection with the first installation hole, and the bottom surface of the valve seat 7 is pressed against the top surface of the pressing ring 4, because a second installation hole is formed in the valve seat 7, a pressing block 5 is installed in the second installation hole, and a braking rod 8 is installed at the top end of the pressing block 5, in actual use, when the braking rod 8 is manually rotated clockwise, the braking rod 8 drives the pressing block 5 to move downward, and when the pressing block 5 presses the combined diaphragm 2 against the top surface of the annular valve core 15, the closing of the steel cylinder valve can be realized; when the steel cylinder valve needs to be opened, the brake rod 8 only needs to be manually rotated anticlockwise, the clamping jaws at the bottom end of the brake rod 8 can drive the pressing block 5 to move upwards, so that the pressing block 5 is separated from the annular valve core 15, and at the moment, the combined type diaphragm 2 can be restored to a state before being compressed, namely the opening of the steel cylinder valve can be realized; compared with the prior art, the steel cylinder valve not only cancels a spring, but also does not need to arrange a mounting seat below the pressing block 5, simplifies the structure of a gas flow passage, is beneficial to removing trace gas, and reduces the possibility of gas pollution.
In this embodiment, through installing steel ball 6 in brake lever 8, set up spherical recess in the brake lever 8, be clearance fit between spherical recess and the steel ball 6, and steel ball 6 is located the top of briquetting 5, and when manual rotation brake lever 8, under the nimble guide effect of steel ball 6, can improve the precision of the vertical removal of brake lever 8, can avoid brake lever 8 to take place the dead phenomenon of skew card.
In this embodiment, through adopting combination formula diaphragm 2, combination formula diaphragm 2 includes one deck corrosion-resistant metal diaphragm and three-layer high elasticity metal diaphragm, just corrosion-resistant metal diaphragm with high elasticity metal diaphragm is monolithic structure, when opening this steel cylinder valve, three-layer high elasticity metal diaphragm can utilize self elasticity upwards to open, and corrosion-resistant metal diaphragm can improve combination formula diaphragm 2's corrosion resistance, corrosion-resistant metal diaphragm with all not need drill hole, need not weld briquetting 5 and combination formula diaphragm 2 as an organic whole on the high elasticity metal diaphragm, consequently, combination formula diaphragm 2 has the advantage that the leakproofness is good, fatigue resistance is good to the life of this steel cylinder valve has been prolonged.
As shown in fig. 1, in this embodiment, a first sealing ring 10 is disposed between the brake lever 8 and the valve seat 7, a second sealing ring 11 is disposed between the valve seat 7 and the inner wall of the first mounting hole, a third sealing ring 12 is disposed between the pressing block 5 and the second mounting hole, and a fourth sealing ring 13 is disposed between the pressing ring 4 and the inner wall of the first mounting hole.
In this embodiment, the level of the leak detection hole 3 is lower than the level of the fourth seal ring 13.
In this embodiment, the central line of the air inlet 16 coincides with the central line of the first mounting hole, and the air outlet 14 includes a horizontal hole section and a vertical hole section penetrating between the first mounting hole and the horizontal hole section, and the central line of the vertical hole section is parallel to the central line of the first mounting hole.
In this embodiment, the bottom of the brake lever 8 is screwed into the first mounting hole, and the top of the brake lever 8 is mounted with a brake handle 9.
As shown in fig. 1, during actual use, when an operator holds the brake handle 9, the brake lever 8 can be rotated, the brake lever 8 drives the pressing block 5 to move downwards or upwards, the pressing block 5 is in contact with or separated from the annular valve core 15, namely, the steel cylinder valve can be closed or opened, the combined diaphragm 2 serves as a main sealing functional part, the sealing performance and the fatigue resistance are good, the service life of the steel cylinder valve is prolonged, and the steel cylinder valve is convenient to popularize and apply.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and all simple modifications, changes and equivalent structural changes made to the above embodiment according to the technical spirit of the present invention still fall within the protection scope of the technical solution of the present invention.
Claims (5)
1. The utility model provides a no spring steel cylinder valve, includes valve body (1) and disk seat (7), its characterized in that: the valve body (1) is provided with a first mounting hole, an air inlet hole (16) and an air outlet hole (14) which are communicated with the bottom surface of the first mounting hole, the inside of the first mounting hole is sequentially provided with an annular valve core (15), a combined diaphragm (2) and a pressing ring (4) from bottom to top, the bottom end of the valve seat (7) is in threaded connection with the first mounting hole, the bottom surface of the valve seat (7) is pressed on the top surface of the pressing ring (4), the valve seat (7) is provided with a second mounting hole, a pressing block (5) is arranged in the second mounting hole, the top end of the pressing block (5) is provided with a brake rod (8), steel balls (6) are arranged in the brake rod (8), the bottom end of the pressing block (5) penetrates through a center hole of the pressing ring (4) and is pressed on the top surface of the combined diaphragm (2), the valve body (1) is provided with a leakage detection hole (3) which is communicated with the bottom of the inner wall of the first mounting hole, the combined type membrane (2) comprises a corrosion-resistant metal membrane positioned at the bottommost layer and three layers of high-elasticity metal membranes positioned on the top surface of the corrosion-resistant metal membrane.
2. The springless cylinder valve of claim 1, wherein: a first sealing ring (10) is arranged between the brake rod (8) and the valve seat (7), a second sealing ring (11) is arranged between the valve seat (7) and the inner wall of the first mounting hole, a third sealing ring (12) is arranged between the pressing block (5) and the second mounting hole, and a fourth sealing ring (13) is arranged between the pressing ring (4) and the inner wall of the first mounting hole.
3. The springless cylinder valve of claim 2, wherein: the horizontal height of the leak detection hole (3) is lower than the horizontal height of the fourth sealing ring (13).
4. The springless cylinder valve of claim 1, wherein: the central line of the air inlet hole (16) is coincident with the central line of the first mounting hole, the air outlet hole (14) comprises a horizontal hole section and a vertical hole section which is communicated between the first mounting hole and the horizontal hole section, and the central line of the vertical hole section is parallel to the central line of the first mounting hole.
5. The springless cylinder valve of claim 1, wherein: the bottom of the brake rod (8) is in threaded connection with the first mounting hole, and a brake handle (9) is mounted at the top of the brake rod (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122607456.2U CN216200787U (en) | 2021-10-28 | 2021-10-28 | Spring-free steel cylinder valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122607456.2U CN216200787U (en) | 2021-10-28 | 2021-10-28 | Spring-free steel cylinder valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216200787U true CN216200787U (en) | 2022-04-05 |
Family
ID=80892119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122607456.2U Active CN216200787U (en) | 2021-10-28 | 2021-10-28 | Spring-free steel cylinder valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216200787U (en) |
-
2021
- 2021-10-28 CN CN202122607456.2U patent/CN216200787U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210601013U (en) | Lever floating ball type drain valve with piston exhaust device | |
| CN216200787U (en) | Spring-free steel cylinder valve | |
| CN2864149Y (en) | Foam pump | |
| CN201568619U (en) | Automatic scavenging air valve for oil tank | |
| CN110566800A (en) | Lever floating ball type drain valve with piston exhaust device | |
| CN114151166B (en) | Main lubricating oil throwing filter for ship and use method thereof | |
| CN103307302B (en) | Dress formula low temperature floating ball valve in one | |
| CN202420770U (en) | Sleeper beam gas holder block for motor train unit | |
| CN213982038U (en) | Diaphragm type steel cylinder valve | |
| CN201628612U (en) | Pressure testing device of oil immersed transformer | |
| CN211820876U (en) | Flange type two-valve group | |
| CN210624140U (en) | Float type drain valve | |
| CN2793466Y (en) | Liquid-resistant valve | |
| CN2856609Y (en) | Cut-off valve with sylphone seal structure | |
| CN202215751U (en) | Vent valve | |
| CN219102117U (en) | Double-layer sealing lifting check valve | |
| CN219299931U (en) | Push rod sealing valve | |
| CN216045703U (en) | Leak-proof oil-blocking sealing mechanism | |
| CN114151221B (en) | Integrated press-fitting structure of engine cylinder head cover built-in PCV valve | |
| CN217637867U (en) | On-line detection structure of automobile fuel system | |
| CN219815097U (en) | Gas fire-extinguishing container valve | |
| CN217900967U (en) | Liquid level interface signal converter | |
| CN216479124U (en) | Bellows sealing spring type safety valve | |
| CN201159310Y (en) | Check valve | |
| CN208619699U (en) | A kind of pressure reducing valve with corrosion-resistant and high-temperature resistant performance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |