CN213176936U - Pressure regulating device and pressure reducing valve with same - Google Patents
Pressure regulating device and pressure reducing valve with same Download PDFInfo
- Publication number
- CN213176936U CN213176936U CN202021972579.5U CN202021972579U CN213176936U CN 213176936 U CN213176936 U CN 213176936U CN 202021972579 U CN202021972579 U CN 202021972579U CN 213176936 U CN213176936 U CN 213176936U
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- hole
- regulating device
- pressure regulating
- piston
- diaphragm
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- 230000001105 regulatory effect Effects 0.000 title claims abstract description 35
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 238000003825 pressing Methods 0.000 claims abstract description 10
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 229920000459 Nitrile rubber Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 8
- 239000012528 membrane Substances 0.000 abstract 2
- 239000007789 gas Substances 0.000 description 18
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
- 239000002737 fuel gas Substances 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a pressure regulating device and a pressure reducing valve with the same, which comprises a valve body, a valve cover, an adjusting nut, a membrane pressing plate, a membrane, a pressure rod and a pressure regulating device, wherein the pressure regulating device is arranged at an air inlet in the valve body, the pressure regulating device comprises a support, a sealing ring, a locking nut, a piston and a connecting rod, the support comprises a connecting part and a clamping part, the connecting part is provided with a second through hole, the clamping part is provided with a third through hole, a rotating groove is communicated with the third through hole, the connecting rod is hinged on the support, the piston is arranged in the third through hole in a sliding way, one end of the connecting rod is arranged in the piston in a sliding way, the other end of the connecting rod is inserted in the first through hole, the pressure regulating device is independently assembled outside the pressure reducing valve, the sealing ring, the piston and the connecting rod, the requirement on operators is reduced, the installation speed is increased, and the pressure regulating precision is ensured.
Description
Technical Field
The utility model relates to a gas relief pressure valve technical field especially relates to a pressure regulating device and have this pressure regulating device's relief pressure valve.
Background
With the development of society and the wide application of new energy, fuel gas becomes necessary fuel energy in industry and life, and during the use of fuel gas by residents, various accidents such as leakage, poisoning and the like exist almost every day, and the personal and property safety of the residents is seriously harmed. Most accidents occur because the hose is broken and falls off due to overlarge gas pressure to cause gas leakage, the installation process of the pressure regulating device in the conventional gas pressure reducing valve is complicated, the machining and installation requirements are high in precision, the requirement on the overall quality of an operator is high, and the installation process is very inconvenient.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pressure regulating device and have this pressure regulating device's relief pressure valve to above-mentioned prior art not enough.
In order to solve the above problems, the utility model adopts the following technical proposal:
a pressure regulating device comprises a bracket, a sealing ring, a locking nut, a piston and a connecting rod, the bracket comprises a connecting part and a clamping part, the connecting part is provided with external threads, the connecting part is provided with a second through hole which penetrates through the connecting part, the clamping part is provided with a third through hole penetrating through the clamping part, the second through hole is communicated with the third through hole, the third through hole is also communicated with the outside of the clamping part, the lower part of the clamping part is provided with a rotating groove, the rotating groove is communicated with the third through hole, the connecting rod is hinged in the rotating groove, the piston is arranged in the third through hole in a sliding manner, a containing groove is arranged at the lower part of the piston, one end of the connecting rod is arranged in the containing groove in a sliding way, the sealing ring is sleeved on the connecting portion and abutted against the clamping portion, and the locking nut is in threaded connection with the connecting portion.
Furthermore, a clamping groove is formed in one end, close to the connecting portion, of the piston, and a sealing gasket is clamped in the clamping groove.
Further, the sealing gasket is made of nitrile rubber.
Furthermore, one end of the locking nut, which is far away from the clamping part, is provided with a cross groove, and the cross groove is communicated with the second through hole.
Furthermore, a sliding groove is formed in the inner wall of the third through hole along the length direction, a sliding block is arranged on the side wall of the piston, and the sliding block is arranged in the sliding groove in a sliding mode.
The utility model provides a pressure reducing valve, the pressure reducing valve includes valve body, valve gap, adjusting nut, diaphragm clamp plate, diaphragm, depression bar and pressure regulating device, the diaphragm is installed in the junction of valve body and valve gap, the upper surface butt of diaphragm clamp plate and diaphragm, the up end threaded connection of adjusting nut and valve gap, be equipped with the spring between adjusting nut and the diaphragm clamp plate, the one end of depression bar runs through in diaphragm clamp plate and the diaphragm extend to the valve body, first through-hole has been seted up to the lower part of depression bar, the other end of connecting rod is inserted and is located first through-hole, and the pressure regulating device sets up in the air inlet department of valve body.
Furthermore, an overflow cut-off device is arranged at the air outlet of the valve body.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: the utility model discloses simple structure, regulator can assemble alone outside the relief pressure valve, all install sealing washer, piston and connecting rod and the support on, install the support in the air inlet department of valve body at last, by air inlet installation lock nut for the installation becomes simple, requires to reduce operating personnel, increases installation rate and precision, makes the installation easier, has greatly improved regulator's stability.
Drawings
FIG. 1 is a schematic structural view of a pressure reducing valve according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic structural view of the pressure regulating device of the present invention;
fig. 4 is a perspective view of the bracket of the present invention;
fig. 5 is a schematic perspective view of the piston of the present invention;
fig. 6 is a perspective view of the lock nut of the present invention.
In the figure: the valve comprises a valve body 1, a valve cover 2, an adjusting nut 3, a diaphragm pressing plate 4, a diaphragm 5, a pressing rod 6, a spring 7, a first through hole 8, a support 9, a sealing ring 10, a locking nut 11, a piston 12, a connecting rod 13, a connecting part 14, a clamping part 15, a second through hole 16, a third through hole 17, a rotating groove 18, a containing groove 19, a sealing gasket 20, a sliding groove 21, a sliding block 22, an overflowing cutter 23 and a cross groove 24.
Detailed Description
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1-6, a pressure regulating device, the pressure regulating device includes a support 9, a sealing ring 10, a lock nut 11, a piston 12 and a connecting rod 13, the support 9 includes a connecting portion 14 and a joint portion 15, the connecting portion 14 is provided with an external thread, the connecting portion 14 is provided with a second through hole 16 penetrating the connecting portion 14, the joint portion 15 is provided with a third through hole 17 penetrating the joint portion 15, the second through hole 16 is communicated with the third through hole 17, the third through hole 17 is also communicated with the outside of the joint portion 15, the lower portion of the joint portion 15 is provided with a rotating groove 18, the rotating groove 18 is communicated with the third through hole 17, the connecting rod 13 is hinged in the rotating groove 18, the piston 12 is slidably arranged in the third through hole 17, a containing groove 19 is provided in the lower portion of the piston 12, one end of the connecting rod 13 is slidably arranged in the containing groove, the sealing ring 10 is sleeved on the connecting portion 14, the sealing ring 10 is abutted against the clamping portion 15, and the locking nut 11 is in threaded connection with the connecting portion 14. When the pressure regulating device is inserted into the air inlet of the valve body 1, the sealing ring 10 can prevent the gas from leaking, so that the gas can only pass through the second through hole 16.
Furthermore, a clamping groove is arranged at one end of the piston 12 close to the connecting part 14, and a sealing gasket 20 is clamped in the clamping groove.
Further, the material of sealed pad 20 is nitrile rubber, when illegally adding substances such as dimethyl ether in the gas, sealed pad 20 can expand, because sealed pad 20 card is located in the draw-in groove, consequently sealed pad 20 can expand to the direction that is close to second through-hole 16, and until blocking up second through-hole 16 to cut off the air supply, protect resident's personal and property safety.
Furthermore, one end of the locking nut 11, which is far away from the clamping portion 15, is provided with a cross-shaped groove 24, and the cross-shaped groove 24 is communicated with the second through hole 16, so that the locking nut 11 can be operated by a screwdriver conveniently.
Further, be equipped with spout 21 along length direction on the inner wall of third through hole 17, be equipped with slider 22 on the lateral wall of piston 12, slider 22 slides and sets up in spout 21, can prevent that piston 12 from at the internal rotation of third through hole 17, prevents that piston 12 card from dying to lead to the pressure regulating device to lose efficacy.
The utility model provides a pressure reducing valve, the pressure reducing valve includes valve body 1, valve gap 2, adjusting nut 3, diaphragm clamp plate 4, diaphragm 5, depression bar 6 and pressure regulating device, diaphragm 5 is installed in the junction of valve body 1 and valve gap 2, diaphragm clamp plate 4 and the upper surface butt of diaphragm 5, adjusting nut 3 and the up end threaded connection of valve gap 2, be equipped with spring 7 between adjusting nut 3 and the diaphragm clamp plate 4, the one end of depression bar 6 runs through diaphragm clamp plate 4 and diaphragm 5 and extends to in the valve body 1, first through-hole 8 has been seted up to the lower part of depression bar 6, the other end of connecting rod 13 is inserted and is located in first through-hole 8, pressure regulating device sets up in the inlet port department of valve body 1.
Further, the gas outlet of the valve body 1 is provided with an overflow cut-off device 23, when the connecting hose at the gas outlet drops, the airflow increases instantly, the overflow cut-off device 23 works to block the gas outlet of the valve body 1, and gas leakage is prevented.
The installation and use method comprises the following steps: during installation pressure regulating device, establish sealing washer 10 cover on connecting portion 14, later with sealed 20 card locate the draw-in groove of piston in, insert storage tank 19 with the one end of connecting rod 13 in later, put into rotation groove 18 with connecting rod 13 again, connecting rod 13 is articulated through round pin axle and rotation groove 18, then insert piston 12 in third through hole 17, the one end that is equipped with the draw-in groove on piston 12 is close to one side of connecting portion 14, accomplishes pressure regulating device's equipment back, inserts connecting portion 14 in the air inlet of valve body 1, sealing washer 10 and valve body 1 in close contact with, form sealedly, twist lock nut 11 on connecting portion 14 by the air inlet again to screw up with the screwdriver. Then insert the other end of connecting rod 13 in first through-hole 8, pass depression bar 6 behind diaphragm 5 and diaphragm clamp plate 4, make spring 7 cover locate on depression bar 6, later with diaphragm 5 clamp locate between valve body 1 and valve gap 2, screw in adjusting nut 3 on valve gap 2 and can accomplish the equipment of relief pressure valve.
During the use, let in the gas to the air inlet of valve body 1, the gas outlet and the coupling hose of valve body 1 are connected, when the gas passes through air inlet to pressure regulating device, the gas loops through second through-hole 16 and third through-hole 17 and gets into in the valve body 1, the pressure drive diaphragm 5 up-and-down motion of the gas that gets into in the valve body 1, drive connecting rod 13 up-and-down motion, thereby drive piston 12 and slide in third through-hole 17, the distance between piston 12 condition second through-hole 16 and the third through-hole 17, thereby control gas inlet flow, thereby the pressure of control gas, play the effect of pressure regulating.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (7)
1. The pressure regulating device is characterized by comprising a support (9), a sealing ring (10), a locking nut (11), a piston (12) and a connecting rod (13), wherein the support (9) comprises a connecting part (14) and a clamping part (15), the connecting part (14) is provided with an external thread, a second through hole (16) penetrating through the connecting part (14) is formed in the connecting part (14), a third through hole (17) penetrating through the clamping part (15) is formed in the clamping part (15), the second through hole (16) is communicated with the third through hole (17), the third through hole (17) is also communicated with the outside of the clamping part (15), a rotating groove (18) is formed in the lower part of the clamping part (15), the rotating groove (18) is communicated with the third through hole (17), the connecting rod (13) is hinged and arranged in the rotating groove (18), the piston (12) is arranged in the third through hole (17) in a sliding manner, storage tank (19) have been seted up to the lower part of piston (12), the one end of connecting rod (13) slides and sets up in storage tank (19), sealing washer (10) cover is located on connecting portion (14), sealing washer (10) and joint portion (15) butt, lock nut (11) threaded connection is on connecting portion (14).
2. The pressure regulating device according to claim 1, wherein a clamping groove is arranged at one end of the piston (12) close to the connecting part (14), and a sealing gasket (20) is clamped in the clamping groove.
3. Pressure regulating device according to claim 2, characterized in that the material of the sealing gasket (20) is nitrile rubber.
4. The pressure regulating device according to claim 1, wherein one end of the locking nut (11) far away from the clamping part (15) is provided with a cross groove (24), and the cross groove (24) is communicated with the second through hole (16).
5. The pressure regulating device according to claim 1, wherein a sliding groove (21) is formed in the inner wall of the third through hole (17) along the length direction, a sliding block (22) is arranged on the side wall of the piston (12), and the sliding block (22) is slidably arranged in the sliding groove (21).
6. A pressure reducing valve is characterized by comprising the pressure regulating device according to any one of claims 1 to 5, the pressure reducing valve comprises a valve body (1), a valve cover (2), an adjusting nut (3), a diaphragm pressing plate (4), a diaphragm (5), a pressing rod (6) and a pressure regulating device, the diaphragm (5) is installed at the joint of the valve body (1) and the valve cover (2), the diaphragm pressing plate (4) is abutted to the upper surface of the diaphragm (5), the adjusting nut (3) is in threaded connection with the upper end surface of the valve cover (2), a spring (7) is arranged between the adjusting nut (3) and the diaphragm pressing plate (4), one end of the pressing rod (6) penetrates through the diaphragm pressing plate (4) and the diaphragm (5) and extends into the valve body (1), a first through hole (8) is formed in the lower portion of the pressing rod (6), and the other end of a connecting rod (13) is inserted into the first through hole (8), the pressure regulating device is arranged at the air inlet of the valve body (1).
7. A pressure reducing valve according to claim 6, characterized in that an excess flow shut-off (23) is provided at the outlet of the valve body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021972579.5U CN213176936U (en) | 2020-09-10 | 2020-09-10 | Pressure regulating device and pressure reducing valve with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021972579.5U CN213176936U (en) | 2020-09-10 | 2020-09-10 | Pressure regulating device and pressure reducing valve with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213176936U true CN213176936U (en) | 2021-05-11 |
Family
ID=75772601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021972579.5U Active CN213176936U (en) | 2020-09-10 | 2020-09-10 | Pressure regulating device and pressure reducing valve with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213176936U (en) |
-
2020
- 2020-09-10 CN CN202021972579.5U patent/CN213176936U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220414 Address after: 315300 dalutou, Changhe Town, Changfeng Village, Cixi City, Ningbo City, Zhejiang Province Patentee after: Zhang Junfei Address before: 315300 Changhe Town Changfeng Village, Cixi City, Ningbo City, Zhejiang Province Patentee before: Cixi boteman Electric Appliance Co.,Ltd. |