CN209959955U - Gas pressure regulator - Google Patents
Gas pressure regulator Download PDFInfo
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- CN209959955U CN209959955U CN201920461113.XU CN201920461113U CN209959955U CN 209959955 U CN209959955 U CN 209959955U CN 201920461113 U CN201920461113 U CN 201920461113U CN 209959955 U CN209959955 U CN 209959955U
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- valve port
- assembly
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- cavity
- balance
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Abstract
The utility model discloses a gas pressure regulator, which comprises a valve body, a main diaphragm component, a pressure regulating mechanism, a valve port regulating mechanism and a balance bin component, wherein the valve body is provided with an air inlet cavity, an air outlet cavity, a pressure regulating cavity and a valve port communicating the air inlet cavity and the air outlet cavity; the main diaphragm assembly divides the pressure regulating cavity into an upper pressure regulating cavity and a lower pressure regulating cavity which are hermetically separated, and the lower pressure regulating cavity is communicated with the air outlet cavity; the pressure regulating mechanism acts on one side of the main diaphragm assembly facing the upper pressure regulating cavity; the valve port adjusting mechanism is used for adjusting the size of a flow adjusting channel between the valve port pad component and the valve port; the balance bin assembly comprises a balance film, an outer sealing fixing assembly and an inner sealing fixing assembly, and the upper side part of the balance film is communicated with the pressure regulating cavity. The utility model discloses be equipped with balanced storehouse, can play the cushioning effect when the valve port of gas pressure regulator closes fast to adopt the balanced membrane core of integral type, can effectively avoid balanced membrane damaged when the installation.
Description
Technical Field
The utility model relates to a gas pressure regulator.
Background
At present, the gas pressure regulator is specially applied to a gas transmission and distribution system as a gas pressure regulating device for regulating and stabilizing pressure, and is widely applied to gas transmission and distribution engineering. The pressure reducing device has the effects of automatically adjusting the pressure of a fuel gas outlet, stabilizing the pressure in a certain pressure range, and meeting the pressure value required by a user through pressure adjustment and pressure stabilization to meet the use requirement. The direct-acting pressure regulator is a self-operated pressure regulator, is a direct-acting pressure reducing and stabilizing device for automatically regulating the outlet pressure of a gas pipe network by utilizing the self pressure of the gas pipe network, and is widely applied between an urban gas transmission and distribution pipe network and a user gas pipeline. Among the current gas pressure regulator, there are a lot of not setting up the equilibrium storehouse, do not have buffer function when the valve port of gas pressure regulator is closed fast to in the gas pressure regulator who has the equilibrium storehouse, the balanced membrane in the equilibrium storehouse is easy damaged when the installation, makes the gas pressure regulator can not normally work.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art's defect, provide a gas pressure regulator, it is equipped with balanced storehouse, can play the cushioning effect when the valve port of gas pressure regulator fast closing to adopt the balanced membrane core of integral type, can effectively avoid balanced membrane damaged when the installation.
In order to solve the technical problem, the technical scheme of the utility model is that: a gas pressure regulator, comprising:
the valve body is provided with an air inlet cavity, an air outlet cavity, a pressure regulating cavity and a valve port communicated with the air inlet cavity and the air outlet cavity;
the main diaphragm assembly is arranged on the valve body, the main diaphragm assembly divides the pressure regulating cavity into an upper pressure regulating cavity and a lower pressure regulating cavity which are hermetically separated, and the lower pressure regulating cavity is communicated with the air outlet cavity;
the pressure regulating mechanism acts on one side, facing the upper pressure regulating cavity, of the main diaphragm assembly;
the valve port adjusting mechanism comprises a main shaft and a valve port pad assembly which is connected to the main shaft and is matched with the valve port to form a flow adjusting channel, the main shaft is connected with the main diaphragm assembly, and the valve port pad assembly is suitable for moving along with the main shaft under the action force of the pressure regulating mechanism and the pressure regulating cavity on the main diaphragm assembly so as to adjust the size of the flow adjusting channel between the valve port pad assembly and the valve port;
the balance bin assembly comprises a balance membrane, an outer sealing fixing assembly and an inner sealing fixing assembly, the outer end portion of the balance membrane is sealed and fixed, the outer sealing fixing assembly is connected to the outer end portion of the valve body, the inner sealing fixing assembly is sealed and fixed, the inner end portion of the balance membrane is connected to the inner end portion of the balance membrane and connected to the main shaft, the inner sealing fixing assembly comprises an integrated balance membrane core and a balance membrane base, the integrated balance membrane core and the balance membrane base are sleeved on the main shaft, the upper end of the integrated balance membrane core abuts against the main membrane assembly, the upper side portion of the balance membrane is communicated with the pressure regulating cavity, and a balance bin communicated with the valve port through a connecting channel is defined by the lower side.
Further, in order to close the valve port at any time, the gas pressure regulator also comprises a valve port cut-off mechanism which is used for being actuated to open or close the valve port; the valve port shut-off mechanism includes:
a cut-off sleeve assembly slidably connected directly or indirectly to the main shaft;
the cutting sliding sleeve action mechanism is movably connected to the valve body and used for being acted to enable the cutting sliding sleeve component to move to be abutted against the valve port so as to close the valve port and being acted to enable the cutting sliding sleeve component to move to be separated from the valve port so as to open the valve port.
Further provides a concrete scheme of the cutting-off sliding sleeve assembly, the cutting-off sliding sleeve assembly comprises:
a sliding sleeve directly or indirectly connected with the main shaft in a sliding manner;
the locking fixing seat is connected to the sliding sleeve;
and the stop valve port pad is locked between the sliding sleeve and the locking fixing seat and matched with the valve port.
The specific scheme of the sliding sleeve cutting-off action mechanism is further provided, the sliding sleeve cutting-off action mechanism comprises a shifting rod, a radial convex bulge is arranged on the outer wall of the sliding sleeve, and the end of the shifting rod is matched with the bulge.
Further provided is a specific aspect of the external sealing fixing component, where the external sealing fixing component includes:
the pressure plate is arranged on the valve body;
the bin seat is sleeved on the main shaft, the outer end part of the balance film is pressed between the bin seat and the pressure plate, and a first channel is arranged between the bin seat and the main shaft;
and a second channel communicated with the first channel to form the connecting channel is arranged between the cutting sliding sleeve assembly and the sliding sleeve, and the balance chamber is communicated with the valve port through the first channel and the second channel.
Furthermore, the valve port cutting mechanism also comprises a cutting elastic part which acts on the cutting sliding sleeve component and is suitable for applying elastic acting force to the cutting sliding sleeve component to enable the cutting sliding sleeve component to move towards the valve port.
Further provided is an embodiment of the valve port pad assembly, comprising:
the valve port gasket pressing plate is connected to the main shaft;
a valve port gasket base connected to the main shaft;
the valve port pad is arranged between the valve port pad pressure plate and the valve port pad base.
Further provides a concrete scheme of the pressure regulating mechanism, and the pressure regulating mechanism comprises:
the fine adjustment screw is in threaded connection with the valve body;
the gland is movably arranged in the valve body and is abutted against the fine adjustment screw;
and the pressure regulating elastic part is arranged between the gland and the main diaphragm component.
Further, a valve position indicator partially arranged in the upper pressure regulating cavity and/or a breather communicated with the upper pressure regulating cavity are/is arranged on the valve body.
By adopting the technical scheme, the utility model discloses following beneficial effect has:
1. the gas flows into the gas outlet cavity from the gas inlet cavity through the valve port, the lower pressure regulating cavity is communicated with the gas outlet cavity, when the gas pressure of the gas outlet cavity rises, the gas pressure of the lower pressure regulating cavity also rises, the main diaphragm assembly moves upwards, and then the valve port pad assembly is driven to move upwards, so that a flow regulating channel between the valve port pad assembly and the valve port is reduced, the gas flow is also reduced, and the gas pressure in the gas outlet cavity is reduced; when the air pressure of the air outlet cavity decreases, the air pressure of the lower pressure regulating cavity also decreases, the main diaphragm assembly moves downwards under the action of the pressure regulating elastic part, and then the valve port pad assembly is driven to move downwards, so that a flow regulating channel between the valve port pad assembly and a valve port is enlarged, the gas flow is also enlarged, the air pressure in the air outlet cavity is increased, and the gas pressure in the air outlet cavity is stabilized.
2. The gas pressure regulator comprises a balance bin assembly, the upper side part of the balance membrane is communicated with the lower pressure regulating cavity, the lower side of the balance membrane, the outer sealing fixing assembly and the inner sealing fixing assembly enclose a balance bin communicated with a valve port through a connecting channel, and when the valve port pad assembly is driven to be quickly closed to the valve port, the movement of the valve port pad assembly is buffered through the air pressure difference between the lower pressure regulating cavity and the balance bin.
3. The balanced membrane core of integral type and balanced membrane base pass through lock nut with balanced membrane clamp tightly between balanced membrane core of integral type and balanced membrane base, when having avoided installation and debugging, because of torsion too big messenger balanced membrane is damaged.
4. The trip valve mouth pad is through locking fixing base fixed connection at the sliding sleeve, avoids it to drop in transportation or use.
Drawings
Fig. 1 is the structure schematic diagram of the gas pressure regulator of the present invention.
Detailed Description
In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is provided in connection with the accompanying drawings.
Fig. 1 is a schematic structural diagram of the gas pressure regulator of the present invention;
as shown in fig. 1, a gas pressure regulator includes:
the valve comprises a valve body 1, wherein the valve body 1 is provided with an air inlet cavity 11, an air outlet cavity 12, a pressure regulating cavity and a valve port 13 for communicating the air inlet cavity 11 with the air outlet cavity 12; in the present embodiment, a valve core 16 is disposed on the valve body 1, and the valve port 13 is disposed on the valve core 16;
a main diaphragm assembly 21, wherein the main diaphragm assembly 21 is installed on the valve body 1, the main diaphragm assembly 21 divides the pressure regulating cavity into an upper pressure regulating cavity 14 and a lower pressure regulating cavity 15 which are hermetically separated, and the lower pressure regulating cavity 15 is communicated with the air outlet cavity 12;
a pressure regulating mechanism acting on the side of the main diaphragm assembly 21 facing the upper pressure regulating cavity 14;
the valve port adjusting mechanism comprises a main shaft 22 and a valve port pad assembly which is connected to the main shaft 22 and is matched with the valve port 13 to form a flow adjusting channel, the main shaft 22 is connected with the main diaphragm assembly 21, and the valve port pad assembly is suitable for moving along with the main shaft 22 under the action force of the pressure adjusting mechanism and the lower pressure adjusting cavity 15 on the main diaphragm assembly 21 so as to adjust the size of the flow adjusting channel between the valve port pad assembly and the valve port 13;
the balance bin assembly comprises a balance membrane 31, an outer sealing fixing assembly and an inner sealing fixing assembly, wherein the outer end of the balance membrane 31 is fixed in a sealing mode and connected to the valve body 1, the inner end of the balance membrane 31 is fixed in a sealing mode and connected to the main shaft 22, the inner sealing fixing assembly comprises an integrated balance membrane core 32 and a balance membrane base 33, the integrated balance membrane core 32 is sleeved on the main shaft 22, the upper end of the integrated balance membrane core 32 abuts against the main membrane assembly 21, the upper side portion of the balance membrane 31 is communicated with the pressure regulating cavity, and a balance bin chamber 34 communicated with the valve port 13 through a connecting channel is defined by the lower side of the balance membrane 31, the outer sealing fixing assembly and the inner sealing fixing assembly. Specifically, main diaphragm 25 subassembly 21 is including overlapping in proper order and locating last tray 23, main diaphragm pressure disk 24, main diaphragm 25 and lower tray 26 on main shaft 22, lower tray 26 with balanced membrane core 32 of integral type offsets, lock nut 100 threaded connection on main shaft 22 and with go up tray 23 and offset to fix last tray 23, main diaphragm pressure disk 24, main diaphragm 25, lower tray 26, balanced membrane core 32 of integral type and balanced membrane base 33 on main shaft 22, balanced membrane base 33 butt is in on main shaft 22's the step.
As shown in fig. 1, the gas pressure regulator may further include a valve port shut-off mechanism for being actuated to open or close the valve port 13; such as, but not limited to, the following structures, the valve port shut off mechanism includes:
a cutting sleeve assembly slidably connected directly or indirectly to the main shaft 22;
the cut-off sliding sleeve action mechanism is movably connected to the valve body 1 and is used for being acted to enable the cut-off sliding sleeve component to move to be abutted against the valve port 13 so as to close the valve port 13 and being acted to enable the cut-off sliding sleeve component to move to be separated from the valve port 13 so as to open the valve port 13.
As shown in fig. 1, the cutting sleeve assembly is configured, for example and without limitation, to include:
a sliding sleeve 41 directly or indirectly connected to the main shaft 22 in a sliding manner;
a locking fixing seat 42 connected to the sliding sleeve 41;
a stop valve port pad 43 locked between the sliding sleeve 41 and the locking fixing seat 42 and matched with the valve port 13.
As shown in fig. 1, cut off sliding sleeve actuating mechanism can include driving lever 44, be equipped with radial convex bellying 45 on the outer wall of sliding sleeve 41, driving lever 44 the tip with bellying 45 cooperates, cut off sliding sleeve actuating mechanism specifically is the driving lever device, its common design when designing the gas pressure regulator for technical personnel in the field, the embodiment of the utility model provides a no longer concrete repeated description.
As shown in fig. 1, the outer sealing fixation assembly is, for example and without limitation, of the following structure, which includes:
a pressure plate 51 provided on the valve body 1;
a bin seat 52 sleeved on the main shaft 22, wherein the outer end part of the balance film 31 is pressed between the bin seat 52 and the pressure plate 51, and a first channel 53 is arranged between the bin seat 52 and the main shaft 22;
wherein, a second channel 54 which is communicated with the first channel 53 to form the connecting channel is arranged between the cutting-off sliding sleeve assembly and the sliding sleeve 41, and the balance chamber 34 is communicated with the valve port 13 through the first channel 53 and the second channel 54.
As shown in fig. 1, the valve port shut-off mechanism may further include a shut-off elastic member 55 acting on the shut-off sleeve assembly and adapted to apply an elastic force to the shut-off sleeve assembly to move the shut-off sleeve assembly in the direction of the valve port 13, and specifically, the shut-off elastic member 55 is a shut-off spring, one end of the shut-off spring is abutted against the housing 52, and the other end of the shut-off spring is abutted against the sliding sleeve 41.
As shown in FIG. 1, the valve port pad assembly, such as, but not limited to, the following, includes:
a valve port pad pressing plate 61 connected to the main shaft 22;
a valve port gasket base 62 connected to the spindle 22;
a valve port pad 63 disposed between the valve port pad pressure plate 61 and the valve port pad base 62.
As shown in fig. 1, the pressure regulating mechanism includes, for example but not limited to, the following structures:
a fine adjustment screw 71 screwed to the valve body 1;
a gland 72 movably arranged in the valve body 1 and abutted against the fine adjustment screw 71;
the pressure regulating elastic member 73 is arranged between the gland 72 and the main diaphragm assembly 21, and specifically, the pressure regulating elastic member 73 may be a spring.
Specifically, the fine adjustment screw 71 is abutted to the gland 72 through steel balls, so that the gland 72 does not rotate when the fine adjustment screw 71 rotates.
As shown in fig. 1, valve body 1 can be equipped with partially to be arranged in valve position indicator 8 in upper pressure regulating chamber 14 and/or with respirator 9 that upper pressure regulating chamber 14 is linked together in the embodiment of the utility model provides an, valve position indicator 8 and respirator 9 are the device that this field of technical personnel commonly used, the embodiment of the utility model provides a do not give unnecessary details to the specific structure of valve position indicator 8 and respirator 9.
The working principle of the utility model is as follows:
the gas flows into the gas outlet cavity 12 from the gas inlet cavity 11 through the valve port 13, the pressure reduction cavity 15 is communicated with the gas outlet cavity 12, when the gas pressure of the gas outlet cavity 12 rises, the gas pressure of the pressure reduction cavity 15 rises along with the rise of the gas pressure, the main diaphragm component 21 moves upwards, and the valve port pad component is driven to move upwards, so that a flow regulating channel between the valve port pad component and the valve port 13 is reduced, the gas flow is also reduced, and the gas pressure in the gas outlet cavity 12 is reduced; when the air pressure in the air outlet cavity 12 decreases, the air pressure in the pressure-reducing cavity 15 also decreases, the main diaphragm assembly 21 moves downward under the action of the pressure-regulating elastic member 73, and further drives the valve port pad assembly to move downward, so that the flow regulating channel between the valve port pad assembly and the valve port 13 is enlarged, the gas flow is also enlarged, and the air pressure in the air outlet cavity 12 is increased, so as to stabilize the gas pressure in the air outlet cavity 12. And, the gas pressure regulator includes a balance bin assembly, the upper side part of the balance membrane 31 is communicated with the lower pressure regulating cavity 15, the lower side of the balance membrane 31, the outer sealing fixing assembly and the inner sealing fixing assembly enclose a balance bin 34 communicated with the valve port 13 through a connecting channel, when the valve port pad assembly is driven to be closed fast with the valve port 13, the movement of the valve port pad assembly is buffered through the air pressure difference between the lower pressure regulating cavity 15 and the balance bin 34. In addition, the balance membrane core 32 and the balance membrane base 33 are integrated, and the balance membrane 31 is clamped between the balance membrane core 32 and the balance membrane base 33 through the lock nut 100, so that the balance membrane 31 is prevented from being damaged due to overlarge torsion force during installation and debugging.
The above-mentioned embodiments further explain in detail the technical problems, technical solutions and advantages solved by the present invention, and it should be understood that the above only is a specific embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
In the description of the present invention, it is to be understood that the terms indicating orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the present disclosure, unless otherwise expressly stated or limited, the first feature may comprise both the first and second features directly contacting each other, and also may comprise the first and second features not being directly contacting each other but being in contact with each other by means of further features between them. Also, the first feature being above, on or above the second feature includes the first feature being directly above and obliquely above the second feature, or merely means that the first feature is at a higher level than the second feature. A first feature that underlies, and underlies a second feature includes a first feature that is directly under and obliquely under a second feature, or simply means that the first feature is at a lesser level than the second feature.
Claims (10)
1. A gas pressure regulator, characterized in that it comprises:
the valve comprises a valve body (1), wherein the valve body (1) is provided with an air inlet cavity (11), an air outlet cavity (12), a pressure regulating cavity and a valve port (13) communicated with the air inlet cavity (11) and the air outlet cavity (12);
a main diaphragm assembly (21), wherein the main diaphragm assembly (21) is arranged on the valve body (1), the main diaphragm assembly (21) divides the pressure regulating cavity into an upper pressure regulating cavity (14) and a lower pressure regulating cavity (15) which are hermetically separated, and the lower pressure regulating cavity (15) is communicated with the air outlet cavity (12);
the pressure regulating mechanism acts on one side, facing the upper pressure regulating cavity (14), of the main diaphragm assembly (21);
the valve port adjusting mechanism comprises a main shaft (22) and a valve port pad assembly which is connected to the main shaft (22) and is matched with the valve port (13) to form a flow adjusting channel, the main shaft (22) is connected with the main diaphragm assembly (21), and the valve port pad assembly is suitable for moving along with the main shaft (22) under the acting force of the pressure regulating mechanism and the pressure reducing cavity (15) on the main diaphragm assembly (21) so as to adjust the size of the flow adjusting channel between the valve port pad assembly and the valve port (13);
the balance bin assembly comprises a balance membrane (31), an outer sealing fixing assembly and an inner sealing fixing assembly, wherein the outer end of the balance membrane (31) is fixed in a sealing mode, the outer sealing fixing assembly is connected to the valve body (1), the inner end of the balance membrane (31) is fixed in a sealing mode, the inner sealing fixing assembly is connected to the main shaft (22), the inner sealing fixing assembly comprises an integrated balance membrane core (32) and a balance membrane base (33) which are sleeved on the main shaft (22), the upper end of the integrated balance membrane core (32) abuts against the main membrane assembly (21), the upper side portion of the balance membrane (31) is communicated with the pressure regulating cavity, and a balance bin chamber (34) communicated with the valve port (13) through a connecting channel is defined by the lower side of the balance membrane (31), the outer sealing fixing assembly and the inner sealing fixing assembly.
2. The gas pressure regulator of claim 1, wherein: it also includes a valve port shut-off mechanism for being actuated to open or close the valve port (13); the valve port shut-off mechanism includes:
a cutting sleeve assembly slidably connected directly or indirectly to the main shaft (22);
the cutting sliding sleeve action mechanism is movably connected to the valve body (1) and is used for being acted to enable the cutting sliding sleeve component to move to be abutted against the valve port (13) so as to close the valve port (13) and being acted to enable the cutting sliding sleeve component to move to be separated from the valve port (13) so as to open the valve port (13).
3. The gas pressure regulator of claim 2, wherein: the cut-off sleeve assembly comprises:
a sliding sleeve (41) directly or indirectly connected to the main shaft (22) in a sliding manner;
a locking fixed seat (42) connected to the sliding sleeve (41);
and the stop valve port pad (43) is locked between the sliding sleeve (41) and the locking fixing seat (42) and is matched with the valve port (13).
4. A gas pressure regulator according to claim 3, wherein: the sliding sleeve cutting-off action mechanism comprises a shifting rod (44), a protruding portion (45) protruding in the radial direction is arranged on the outer wall of the sliding sleeve (41), and the end portion of the shifting rod (44) is matched with the protruding portion (45).
5. The gas pressure regulator of claim 2, wherein: the outer seal fixation assembly includes:
a pressure plate (51) arranged on the valve body (1);
a bin seat (52) sleeved on the main shaft (22), wherein the outer end part of the balance film (31) is pressed between the bin seat (52) and the pressing disc (51), and a first channel (53) is arranged between the bin seat (52) and the main shaft (22);
a second channel (54) communicated with the first channel (53) to form the connecting channel is arranged between the cutting-off sliding sleeve assembly and the sliding sleeve (41), and the balance chamber (34) is communicated with the valve port (13) through the first channel (53) and the second channel (54).
6. The gas pressure regulator of claim 2, wherein: the valve port shut-off mechanism further comprises a shut-off elastic member (55) acting on the shut-off sleeve assembly and adapted to apply an elastic force to the shut-off sleeve assembly to move the shut-off sleeve assembly in the direction of the valve port (13).
7. The gas pressure regulator of claim 1, wherein: the outer seal fixation assembly includes:
a pressure plate (51) arranged on the valve body (1);
a bin seat (52) sleeved on the main shaft (22), wherein the outer end part of the balance film (31) is pressed between the bin seat (52) and the pressing disc (51).
8. The gas pressure regulator of claim 1, wherein: the valve port gasket assembly comprises:
a valve port pad pressure plate (61) connected to the main shaft (22);
a valve port gasket base (62) connected to the spindle (22);
a valve port pad (63) disposed between the valve port pad pressure plate (61) and the valve port pad base (62).
9. The gas pressure regulator of claim 1, wherein: the pressure regulating mechanism includes:
a fine adjustment screw rod (71) in threaded connection with the valve body (1);
the gland (72) is movably arranged in the valve body (1) and is abutted against the fine adjustment screw rod (71);
and a pressure regulating elastic member (73) arranged between the gland (72) and the main diaphragm assembly (21).
10. The gas pressure regulator of claim 1, wherein: the valve body (1) is provided with a valve position indicator (8) which is partially arranged in the upper pressure regulating cavity (14) and/or a breather (9) communicated with the upper pressure regulating cavity (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920461113.XU CN209959955U (en) | 2019-04-04 | 2019-04-04 | Gas pressure regulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920461113.XU CN209959955U (en) | 2019-04-04 | 2019-04-04 | Gas pressure regulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209959955U true CN209959955U (en) | 2020-01-17 |
Family
ID=69240993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920461113.XU Active CN209959955U (en) | 2019-04-04 | 2019-04-04 | Gas pressure regulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209959955U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022222253A1 (en) * | 2021-04-20 | 2022-10-27 | 宁波万安股份有限公司 | Gas pressure adjustment device |
-
2019
- 2019-04-04 CN CN201920461113.XU patent/CN209959955U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022222253A1 (en) * | 2021-04-20 | 2022-10-27 | 宁波万安股份有限公司 | Gas pressure adjustment device |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Gas pressure regulator Effective date of registration: 20210812 Granted publication date: 20200117 Pledgee: Jiangsu Jiangnan Rural Commercial Bank Limited by Share Ltd. Pledgor: CHANGZHOU LUCHENG GAS EQUIPMENT Co.,Ltd. Registration number: Y2021980007577 |