CN216923347U - Integrative valve of exhaust pressure limiting - Google Patents
Integrative valve of exhaust pressure limiting Download PDFInfo
- Publication number
- CN216923347U CN216923347U CN202220420025.7U CN202220420025U CN216923347U CN 216923347 U CN216923347 U CN 216923347U CN 202220420025 U CN202220420025 U CN 202220420025U CN 216923347 U CN216923347 U CN 216923347U
- Authority
- CN
- China
- Prior art keywords
- exhaust
- pressure
- hole
- valve
- gap
- 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
- Safety Valves (AREA)
Abstract
An exhaust and pressure limiting integrated valve comprises a valve seat, a valve cap, an exhaust rod, a safety ball, a first elastic piece and a second elastic piece, wherein the valve seat is fixed on a pressure container; exhaust gaps are formed among the valve seat, the valve cap and the exhaust rod respectively, a plurality of exhaust holes communicated with the exhaust gaps are formed in the upper portion of the valve seat, and when the valve cap and the exhaust rod move downwards, the interior of the pressure container is communicated with the exhaust gaps to achieve exhaust; all be provided with the pressure release passageway in valve cap and the air exhaust pole, pressure release passageway intercommunication exhaust gap, when the safety ball rebound, pressure vessel inside intercommunication pressure release passageway realizes the pressure release. The exhaust and pressure limiting integrated valve can reduce the number of parts or components and reduce the processing and assembling cost.
Description
Technical Field
The utility model relates to the technical field of pressure vessels, in particular to an exhaust and pressure limiting integrated valve.
Background
The traditional electric cooker or pressure cooker with pressure needs to be provided with an exhaust valve and a safety valve in order to solve the safety problems in the national standard and the use process.
An exhaust valve: generally, the cooking device is composed of a heavy hammer, a stainless steel ball or a spring mechanism and an exhaust nozzle, plays a role in limiting stable pressure in a certain range in the cooking process, and pushes the heavy hammer, the steel ball or the spring mechanism away through a manual connecting rod mechanism or an electric push rod mechanism after cooking is finished, so that the exhaust function is played.
A safety valve: generally, the pressure cooker is composed of a spring mechanism, and plays a role in preventing the pressure from exceeding the bearing capacity of a container in the cooking process, and the limited pressure value is higher than that of an exhaust valve.
However, the exhaust valve and the safety valve are arranged at the same time, so that too many components or parts of the rice cooker or the pressure cooker are caused, the processing cost is high, and the exhaust valve and the safety valve occupy large areas and influence the appearance.
Therefore, further improvements are needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an exhaust and pressure limiting integrated valve which is simple in structure, small in part number, low in cost, small in area and strong in practicability, so as to overcome the defects in the prior art.
The exhaust and pressure limiting integrated valve designed according to the purpose is characterized in that: the safety valve comprises a valve seat, a valve cap, an exhaust rod, a safety ball, a first elastic part and a second elastic part, wherein the valve seat is fixed on a pressure container; exhaust gaps are formed among the valve seat, the valve cap and the exhaust rod respectively, a plurality of exhaust holes communicated with the exhaust gaps are formed in the upper portion of the valve seat, and when the valve cap and the exhaust rod move downwards, the interior of the pressure container is communicated with the exhaust gaps to achieve exhaust; all be provided with the pressure release passageway in valve cap and the air exhaust pole, pressure release passageway intercommunication exhaust clearance, when the safety ball rebound, pressure vessel inside intercommunication pressure release passageway realizes the pressure release.
Be provided with the through-hole that vertically runs through the disk seat on the disk seat, valve cap and exhaust pole all insert in the through-hole, the exhaust gap is first exhaust gap, second exhaust gap and the third exhaust gap of mutual intercommunication respectively, and first exhaust gap is the clearance between valve cap and the through-hole lower part pore wall, and second exhaust gap is the clearance between exhaust pole and the through-hole upper portion pore wall, and second exhaust gap intercommunication exhaust hole, exhaust hole run-through set up the side on disk seat upper portion.
A first sealing ring mounting groove is formed in the bottom of the valve cap, a first sealing ring is mounted on the first sealing ring mounting groove, a third exhaust gap is a gap between the bottom of the valve cap and the bottom of the valve seat, and the first sealing ring is arranged on the third exhaust gap; when the exhaust pressure limiting integrated valve does not exhaust, the first sealing ring seals the third exhaust gap, when the exhaust pressure limiting integrated valve exhausts, the valve cap and the exhaust rod move downwards to open the third exhaust gap, and the interior of the pressure container is communicated with the outside through the third exhaust gap, the first exhaust gap, the second exhaust gap and the exhaust hole in sequence.
The exhaust rod is characterized in that a first boss is arranged on the hole wall of the through hole, a limiting step is arranged on the upper portion of the exhaust rod, a first elastic piece is elastically arranged between the first boss and the limiting step, the first elastic piece is sleeved on the exhaust rod, and the first elastic piece is located in a second exhaust gap.
The valve seat is fixedly installed on the installation hole of the pressure container through a fastening piece, a second sealing ring installation groove is formed in the position, adjacent to the installation hole, of the outer side of the valve seat, a second sealing ring is installed on the second sealing ring installation groove, and the second sealing ring seals a gap between the valve seat and the installation hole.
The pressure release passageway is including setting up first pressure release hole and the second pressure release hole that just together vertically runs through the valve cap in the valve cap, first pressure release hole and second pressure release hole communicate each other, and first pressure release hole and the inside intercommunication of pressure vessel, the safety ball is located the second pressure release hole, form the second boss between first pressure release hole and the second pressure release hole, when the integrative valve of exhaust voltage limiting is not released, the safety ball is placed on the second boss, in order to plug up first pressure release hole, first pressure release hole does not communicate with second pressure release hole.
The pressure relief channel further comprises a third pressure relief hole and a fourth pressure relief hole which are communicated with each other, the third pressure relief hole is formed in the bottom of the exhaust rod, the fourth pressure relief hole is formed in the exhaust rod and transversely penetrates through the exhaust rod, the bottom of the exhaust rod is inserted into and connected to the second pressure relief hole, the third pressure relief hole is communicated with the second pressure relief hole, and the fourth pressure relief hole is communicated with the second exhaust gap; when the exhaust pressure limiting integrated valve is used for relieving pressure, the safety ball is pushed upwards by the pressure inside the pressure container, so that the first pressure relief hole is communicated with the second pressure relief hole, and the inside of the pressure container is communicated with the outside through the first pressure relief hole, the second pressure relief hole, the third pressure relief hole, the fourth pressure relief hole, the second exhaust gap and the exhaust hole in sequence.
The second elastic piece penetrates through the third pressure relief hole and then is inserted into the fourth pressure relief hole, one end of the second elastic piece elastically acts on the hole wall of the fourth pressure relief hole, and the other end of the second elastic piece elastically acts on the safety ball.
The bottom of the exhaust rod is provided with a matching step, after the exhaust rod is connected with the valve cap, the top of the valve cap is matched with the matching step, and the upper end face of the valve cap props against the lower end face of the matching step; the top of the exhaust rod is provided with a pressing part for pressing the exhaust rod.
The safety ball is made of a hot-melt type material.
According to the utility model, the exhaust valve and the safety valve are designed into an integrated structure, one valve body is used for replacing the exhaust valve and the safety valve in the prior art, and the exhaust and pressure limiting integrated valve only consists of the valve seat, the valve cap, the exhaust rod, the safety ball, two springs and the hexagon nut, so that the number of parts or components is greatly reduced, the processing and assembling cost is reduced, the installation area of the exhaust and pressure limiting integrated valve can be reduced, and the attractiveness is improved.
Drawings
Fig. 1 is a sectional view of an exhaust and pressure limiting integrated valve in a closed state according to an embodiment of the present invention.
Fig. 2 is a sectional view of an exhaust pressure limiting integrated valve in an exhaust state according to an embodiment of the present invention.
Fig. 3 is a sectional view of an exhaust and pressure limiting integrated valve in a pressure relief state according to an embodiment of the present invention.
FIG. 4 is a cross-sectional view of a valve seat in an embodiment of the present invention.
FIG. 5 is a cross-sectional view of a bonnet in an embodiment of the utility model.
FIG. 6 is a cross-sectional view of a ventilation rod in an embodiment of the present invention.
Detailed Description
The utility model is further described with reference to the following figures and examples.
Referring to fig. 1-6, the exhaust and pressure limiting integrated valve is applied to a pressure container such as a pressure electric cooker or a pressure cooker, and comprises a safety valve seat 1, a safety valve cap 2, an exhaust rod 3, a safety ball 4, a first spring 5 and a second spring 6, wherein the valve seat 1 is fixed on a pressure container 7, the valve cap 2 is arranged at the bottom of the valve seat 1, the exhaust rod 3 is inserted into the valve seat 1, the bottom of the exhaust rod is connected with the valve cap 2, the first spring 5 is elastically arranged between the valve seat 1 and the exhaust rod 3, the safety ball 4 is arranged at the inner bottom of the valve cap 2, and the second spring 6 is elastically arranged between the safety ball 4 and the exhaust rod 3; exhaust gaps are respectively arranged between the valve seat 1 and the valve cap 2 and between the valve seat 1 and the exhaust rod 3, a plurality of exhaust holes 1.1 communicated with the exhaust gaps are arranged at the upper part of the valve seat 1, and when the valve cap 2 and the exhaust rod 3 move downwards, the inside of the pressure container 7 is communicated with the exhaust gaps to realize exhaust; all be provided with the pressure release passageway in valve cap 2 and the air exhaust pole 3, pressure release passageway intercommunication exhaust gap, when safety ball 4 rebound, pressure vessel 7 inside intercommunication pressure release passageway realizes the pressure release.
The cross section of the main body of the valve seat 1 is circular, a through hole 1.2 longitudinally penetrating through the valve seat 1 is formed in the middle of the valve seat 1, the valve cap 2 and the exhaust rod 3 are inserted into the through hole 1.2, the exhaust rod 3 is located above the valve cap 2, the exhaust gaps are a first exhaust gap 8, a second exhaust gap 9 and a third exhaust gap 10 which are communicated with each other respectively, the first exhaust gap 8 is a gap between the valve cap 2 and the lower hole wall of the through hole 1.2, the second exhaust gap 9 is a gap between the exhaust rod 3 and the upper hole wall of the through hole 1.2, the second exhaust gap 9 is communicated with the exhaust hole 1.1, and the exhaust hole 1.1 is arranged on the side surface of the upper portion of the valve seat 1 in a penetrating manner.
The cross section of the main body of the valve cap 2 is circular, a first sealing ring mounting groove 2.1 is formed in the outer side of the bottom of the valve cap 2, an O-shaped first sealing ring 11 is mounted on the first sealing ring mounting groove 2.1, a third exhaust gap 10 is a gap between the bottom of the valve cap 2 and the bottom of the valve seat 1, and the first sealing ring 11 is arranged on the third exhaust gap 10; when the exhaust pressure limiting integrated valve does not exhaust (namely is in a closed state), the first sealing ring 11 closes the third exhaust gap 10, when the exhaust pressure limiting integrated valve exhausts, the valve cap 2 and the exhaust rod 3 move downwards to open the third exhaust gap 10, and the interior of the pressure container 7 is communicated with the outside sequentially through the third exhaust gap 10, the first exhaust gap 8, the second exhaust gap 9 and the exhaust hole 1.1.
The hole wall of the through hole 1.2 is provided with a first boss 1.3, the upper part of the exhaust rod 3 is provided with a limiting step 3.1, a first spring 5 is elastically arranged between the first boss 1.3 and the limiting step 3.1, the first spring 5 is sleeved on the exhaust rod 3, the first spring 5 is positioned in the second exhaust gap 9, and the first boss 1.3 is used for limiting the downward movement of the first spring 5.
The middle part lateral surface of disk seat 1 is equipped with first screw thread 1.5 for cooperation hexagon nut 12, disk seat 1 passes through hexagon nut 12 fixed mounting on pressure vessel 7's mounting hole 7.1, in order to fix whole integrative valve of exhaust pressure limiting on pressure vessel 7, the lower part outside of disk seat 1 is provided with second sealing washer mounting groove 1.4 near the position of mounting hole 7.1, install O type second sealing washer 13 on the second sealing washer mounting groove 1.4, second sealing washer 13 seals up the clearance between disk seat 1 and the mounting hole 7.1.
The pressure release passageway is including setting up in valve cap 2 and together vertically running through first pressure release hole 2.2 and second pressure release hole 2.3 of valve cap 2, first pressure release hole 2.2 and second pressure release hole 2.3 communicate each other, first pressure release hole 2.2 is located the bottom of valve cap 2, and first pressure release hole 2.2 and the inside intercommunication of pressure vessel 7, second pressure release hole 2.3 is located first pressure release hole 2.2's top, safety ball 4 is located second pressure release hole 2.3, the diameter of safety ball 4 is greater than the aperture of first pressure release hole 2.2, form second boss 2.4 between first pressure release hole 2.2 and the second pressure release hole 2.3, when the integrative valve of exhaust pressure limiting is not, safety ball 4 is placed on second boss 2.4, in order to block up first pressure release hole 2.2, first pressure release hole 2.2 does not communicate with second hole 2.3.
The pressure relief channel further comprises a third pressure relief hole 3.2 and a fourth pressure relief hole 3.3 which are communicated with each other, the third pressure relief hole 3.2 is arranged in the middle of the bottom of the exhaust rod 3, the fourth pressure relief hole 3.3 is arranged on the side surface of the exhaust rod 3 and transversely penetrates through the exhaust rod 3, the cross section of the main body of the exhaust rod 3 is annular, the bottom of the exhaust rod 3 is inserted into and connected to the second pressure relief hole 2.3, the third pressure relief hole 3.2 is communicated with the second pressure relief hole 2.3, and the fourth pressure relief hole 3.3 is communicated with the second exhaust gap 9; when the exhaust pressure limiting integrated valve performs pressure relief, the safety ball 4 is pushed upwards by the pressure inside the pressure container 7, so that the first pressure relief hole 2.2 is communicated with the second pressure relief hole 2.3, and then the inside of the pressure container 7 is communicated with the outside through the first pressure relief hole 2.2, the second pressure relief hole 2.3, the third pressure relief hole 3.2, the fourth pressure relief hole 3.3, the second exhaust gap 9 and the exhaust hole 1.1 in sequence.
The second spring 6 passes through the third pressure relief hole 3.2 and then is inserted into the fourth pressure relief hole 3.3, one end of the second spring 6 elastically acts on the hole wall of the fourth pressure relief hole 3.3, and the other end elastically acts on the safety ball 4.
An internal thread 2.5 is arranged on the hole wall of the second pressure relief hole 2.3, a second thread 3.6 is arranged on the outer side face of the bottom of the exhaust rod 3, the bonnet 2 and the exhaust rod 3 are connected through the matching of the internal thread 2.5 and the second thread 3.6, a matching step 3.4 is arranged at the bottom of the exhaust rod 3, after the exhaust rod 3 and the bonnet 2 are connected through the threads, the top of the bonnet 2 is matched with the matching step 3.4, the upper end face of the bonnet 2 props against the lower end face of the matching step 3.4, and the bonnet 2 and the exhaust rod 3 are fixed into a whole; the top of the air exhausting rod 3 is provided with a pressing part 3.5 for pressing the air exhausting rod 3.
The safety ball 4 is a ball structure and is made of a hot-melt material, when the internal pressure of the pressure container 7 rises, the temperature rises, when the temperature reaches the melting temperature of the safety ball 4, the safety ball 4 is instantly liquefied and is sequentially discharged from the pressure relief channel, the second exhaust gap 9 and the exhaust hole 1.1, an unrecoverable pressure relief passage is formed, the use safety is ensured, and the pressure when the safety ball 4 melts is higher than the pressure when the safety ball 4 and the second spring 6 act (namely the sum of the gravity of the safety ball 4 and the elastic force of the second spring 6).
The working principle of the exhaust and pressure limiting integrated valve is as follows:
referring to fig. 2, when the pressure container 7 wants to exhaust, the pressing portion 3.5 is pressed to move the exhaust rod 3 downward together with the bonnet 2, so as to open the third exhaust gap 10 between the bonnet 2 and the valve seat 1, and the gas inside the pressure container 7 is exhausted to the outside through the third exhaust gap 10, the first exhaust gap 8, the second exhaust gap 9 and the exhaust hole 1.1 in sequence; when the pressure container 7 does not need to be exhausted, the pressing part 3.5 is loosened, and then the first spring 5 drives the exhaust rod 3 to move upwards together with the bonnet 2 so as to block the third exhaust gap 10 between the bonnet 2 and the valve seat 1.
Referring to fig. 3, when the pressure inside the pressure container 7 exceeds the set pressure of the safety ball 4 and the second spring 6 (i.e. the sum of the gravity of the safety ball 4 and the elastic force of the second spring 6), the pressure forces the safety ball 4 to move upwards, so that the first pressure relief hole 2.2 is communicated with the second pressure relief hole 2.3, the redundant gas inside the pressure container 7 sequentially passes through the first pressure relief hole 2.2, the second pressure relief hole 2.3, the third pressure relief hole 3.2, the fourth pressure relief hole 3.3, the second exhaust gap 9 and the exhaust hole 1.1 to be exhausted to the outside, so that the redundant pressure inside the pressure container 7 is exhausted, and when the pressure inside the pressure container 7 is normal, the second spring 6 drives the safety ball 4 to move downwards, and the safety ball 4 blocks the first pressure relief hole 2.2 again.
The foregoing is a preferred embodiment of the present invention, and the basic principles, principal features and advantages of the utility model are shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, and the utility model is intended to be protected by the following claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. An integrative valve of exhaust pressure limit which characterized in that: the safety valve comprises a valve seat (1), a valve cap (2), an exhaust rod (3), a safety ball (4), a first elastic part (5) and a second elastic part (6), wherein the valve seat (1) is fixed on a pressure container (7), the valve cap (2) is arranged at the bottom of the valve seat (1), the exhaust rod (3) is inserted into the valve seat (1), the bottom of the exhaust rod is connected with the valve cap (2), the first elastic part (5) is elastically arranged between the valve seat (1) and the exhaust rod (3), the safety ball (4) is arranged at the inner bottom of the valve cap (2), and the second elastic part (6) is elastically arranged between the safety ball (4) and the exhaust rod (3); exhaust gaps are arranged between the valve seat (1) and the valve cap (2) and between the valve seat (1) and the exhaust rod (3), a plurality of exhaust holes (1.1) communicated with the exhaust gaps are formed in the upper portion of the valve seat (1), and when the valve cap (2) and the exhaust rod (3) move downwards, the inside of the pressure container (7) is communicated with the exhaust gaps to realize exhaust; all be provided with the pressure release passageway in valve cap (2) and air exhaust pole (3), pressure release passageway intercommunication exhaust gap, when safety ball (4) rebound, pressure vessel (7) inside intercommunication pressure release passageway realizes the pressure release.
2. The exhaust and pressure limiting integrated valve according to claim 1, wherein: be provided with through-hole (1.2) that vertically runs through disk seat (1) on disk seat (1), valve cap (2) and air exhaust pole (3) all insert in through-hole (1.2), air exhaust gap is first exhaust gap (8) that communicates each other respectively, second exhaust gap (9) and third exhaust gap (10), first exhaust gap (8) are the clearance between valve cap (2) and through-hole (1.2) lower part pore wall, second exhaust gap (9) are the clearance between air exhaust pole (3) and through-hole (1.2) upper portion pore wall, second exhaust gap (9) intercommunication exhaust hole (1.1), exhaust hole (1.1) run through the formula and set up the side on disk seat (1) upper portion.
3. The exhaust and pressure limiting integrated valve according to claim 2, wherein: a first sealing ring mounting groove (2.1) is formed in the bottom of the valve cap (2), a first sealing ring (11) is mounted on the first sealing ring mounting groove (2.1), a third exhaust gap (10) is a gap between the bottom of the valve cap (2) and the bottom of the valve seat (1), and the first sealing ring (11) is arranged on the third exhaust gap (10); when the exhaust pressure limiting integrated valve does not exhaust, the first sealing ring (11) seals the third exhaust gap (10), when the exhaust pressure limiting integrated valve exhausts, the valve cap (2) and the exhaust rod (3) move downwards to open the third exhaust gap (10), and the inside of the pressure container (7) is communicated with the outside sequentially through the third exhaust gap (10), the first exhaust gap (8), the second exhaust gap (9) and the exhaust hole (1.1).
4. The exhaust and pressure limiting integrated valve according to claim 3, wherein: be provided with first boss (1.3) on the pore wall of through-hole (1.2), the upper portion of exhaust rod (3) is provided with spacing step (3.1), and first elastic component (5) elasticity sets up between first boss (1.3) and spacing step (3.1), and first elastic component (5) cover is on exhaust rod (3), and first elastic component (5) are located second exhaust clearance (9).
5. The exhaust and pressure limiting integrated valve according to claim 4, wherein: the valve seat (1) is fixedly installed on a mounting hole (7.1) of the pressure container (7) through a fastening piece (12), a second sealing ring installation groove (1.4) is formed in the position, adjacent to the mounting hole (7.1), of the outer side of the valve seat (1), a second sealing ring (13) is installed on the second sealing ring installation groove (1.4), and the second sealing ring (13) seals a gap between the valve seat (1) and the mounting hole (7.1).
6. The exhaust and pressure limiting integrated valve according to claim 5, wherein: pressure release passageway is including setting up first pressure release hole (2.2) and second pressure release hole (2.3) in valve cap (2) and together vertically running through valve cap (2), first pressure release hole (2.2) and second pressure release hole (2.3) communicate each other, and first pressure release hole (2.2) and pressure vessel (7) inside intercommunication, safety ball (4) are located second pressure release hole (2.3), form second boss (2.4) between first pressure release hole (2.2) and second pressure release hole (2.3), when the integrative valve of exhaust pressure limiting does not release pressure, safety ball (4) are placed on second boss (2.4), in order to block up first pressure release hole (2.2), first pressure release hole (2.2) and second pressure release hole (2.3) do not communicate.
7. The exhaust and pressure limiting integrated valve according to claim 6, wherein: the pressure relief channel further comprises a third pressure relief hole (3.2) and a fourth pressure relief hole (3.3) which are communicated with each other, the third pressure relief hole (3.2) is arranged at the bottom of the exhaust rod (3), the fourth pressure relief hole (3.3) is arranged on the exhaust rod (3) and transversely penetrates through the exhaust rod (3), the bottom of the exhaust rod (3) is inserted into and connected to the second pressure relief hole (2.3), the third pressure relief hole (3.2) is communicated with the second pressure relief hole (2.3), and the fourth pressure relief hole (3.3) is communicated with the second exhaust gap (9); when the exhaust pressure limiting integrated valve performs pressure relief, the safety ball (4) is pushed upwards by the pressure inside the pressure container (7) so that the first pressure relief hole (2.2) is communicated with the second pressure relief hole (2.3), and then the inside of the pressure container (7) is communicated with the outside through the first pressure relief hole (2.2), the second pressure relief hole (2.3), the third pressure relief hole (3.2), the fourth pressure relief hole (3.3), the second exhaust gap (9) and the exhaust hole (1.1) in sequence.
8. The exhaust and pressure limiting integrated valve according to claim 7, wherein: the second elastic piece (6) penetrates through the third pressure relief hole (3.2) and then is inserted into the fourth pressure relief hole (3.3), one end of the second elastic piece (6) elastically acts on the hole wall of the fourth pressure relief hole (3.3), and the other end of the second elastic piece elastically acts on the safety ball (4).
9. The exhaust and pressure limiting integrated valve according to claim 8, wherein: the bottom of the exhaust rod (3) is provided with a matching step (3.4), after the exhaust rod (3) is connected with the valve cap (2), the top of the valve cap (2) is matched with the matching step (3.4), and the upper end face of the valve cap (2) props against the lower end face of the matching step (3.4); the top of the exhaust rod (3) is provided with a pressing part (3.5) for pressing the exhaust rod (3).
10. The exhaust and pressure limiting integrated valve according to any one of claims 1 to 9, wherein: the safety ball (4) is made of hot-melt type material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220420025.7U CN216923347U (en) | 2022-02-28 | 2022-02-28 | Integrative valve of exhaust pressure limiting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220420025.7U CN216923347U (en) | 2022-02-28 | 2022-02-28 | Integrative valve of exhaust pressure limiting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216923347U true CN216923347U (en) | 2022-07-08 |
Family
ID=82266068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220420025.7U Active CN216923347U (en) | 2022-02-28 | 2022-02-28 | Integrative valve of exhaust pressure limiting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216923347U (en) |
-
2022
- 2022-02-28 CN CN202220420025.7U patent/CN216923347U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US3920036A (en) | Ball valve | |
| CN106996469A (en) | Can manual pressure release type check valve | |
| CN103470828A (en) | Diaphragm and diaphragm seal type safety valve using same | |
| CN216923347U (en) | Integrative valve of exhaust pressure limiting | |
| CN201236991Y (en) | High-pressure reducing valve | |
| CN205841742U (en) | Shift of transmission lid sealing frock | |
| CN207621439U (en) | Totally-enclosed steam flange form safety valve | |
| CN201851725U (en) | Novel ventilating device | |
| CN214890492U (en) | Container valve plug screw | |
| CN203516871U (en) | Membrane and membrane sealing type safety valve using same | |
| CN111043128B (en) | Self-pressure-relief bolt fastener | |
| CN220600560U (en) | Dustproof spring type safety valve | |
| CN210003825U (en) | Guide type pressure relief structure for pipeline stop valve | |
| CN211344150U (en) | Miniature high-flow unloading valve | |
| CN116816982B (en) | Safety valve | |
| CN215673776U (en) | External safe discharge device of gas valve | |
| CN211324350U (en) | Pressure release valve of pressure cooker | |
| CN204828761U (en) | Valve rod of nickel alloy low temperature ball valve | |
| CN220470726U (en) | Gas cylinder valve capable of slowing down vortex in valve and reducing impact force of gas flow | |
| CN215721056U (en) | Low-leakage high-sealing valve | |
| CN217951311U (en) | Large-traffic compressed air relief pressure valve | |
| CN217234534U (en) | Waterproof ventilation valve | |
| CN215806567U (en) | Safety valve with dustproof cover for bullet train set | |
| CN219317711U (en) | Pipeline gas self-closing valve | |
| CN216896041U (en) | Ball fastening structure with protection for valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |