CN212868622U - High-precision pressure reducing valve - Google Patents
High-precision pressure reducing valve Download PDFInfo
- Publication number
- CN212868622U CN212868622U CN202021141055.1U CN202021141055U CN212868622U CN 212868622 U CN212868622 U CN 212868622U CN 202021141055 U CN202021141055 U CN 202021141055U CN 212868622 U CN212868622 U CN 212868622U
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- valve body
- pressure reducing
- reducing valve
- precision pressure
- mount pad
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Abstract
The utility model discloses a high-precision pressure reducing valve, including first valve body and second valve body, the casing is installed at the top of first valve body, the top of casing is rotated and is connected with the countersunk bolt, the countersunk bolt inserts the inside of casing and has the thread bush through threaded connection, install sealed the pad between first valve body and the second valve body, install the mount pad on the sealed pad, install the spring between the bottom of thread bush and the mount pad, the bottom of mount pad is fixed with the connecting rod, the one end that the mount pad was kept away from to the connecting rod is installed the seal receptacle, the both sides of second valve body are run through respectively has inlet tube and outlet pipe. The utility model discloses can calculate the length in the countersunk head bolt screw in device by the play output pressure that the in-service use needs, make through observing the scale mark and adjust more accurately, install simple structure simultaneously, can decompose first valve body and second valve body after screwing down the bolt, the device maintenance of being convenient for.
Description
Technical Field
The utility model relates to a relief pressure valve technical field especially relates to a high-precision relief pressure valve.
Background
The pressure reducing valve is a valve which reduces the inlet pressure to a certain required outlet pressure through regulation and leads the outlet pressure to be automatically kept stable by relying on the energy of the medium. From the viewpoint of hydrodynamics, the pressure reducing valve is a throttling element with variable local resistance, namely, the flow speed and the kinetic energy of fluid are changed by changing the throttling area to cause different pressure losses, thereby achieving the purpose of pressure reduction.
The existing pressure reducing valve is complex in structure, large in disassembling difficulty and inconvenient to maintain, when the pressure reducing valve is adjusted, a user not only needs to operate a hand wheel and observe a pressure gauge, the operation error is large, when the flow control is performed aiming at the high pressure precision, the error is large, the use is insufficient, and therefore the high-precision pressure reducing valve is provided.
SUMMERY OF THE UTILITY MODEL
In order to solve among the prior art relief pressure valve structure complicacy the maintenance degree of difficulty big to the great problem of error during mediation, the utility model provides a high-precision relief pressure valve.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a high-precision pressure reducing valve, includes first valve body and second valve body, the casing is installed at the top of first valve body, the top of casing is rotated and is connected with the countersunk head bolt, the countersunk head bolt inserts the inside of casing and has the thread bush through threaded connection, install sealed the pad between first valve body and the second valve body, install the mount pad on the seal pad, install the spring between the bottom of thread bush and the mount pad, the bottom of mount pad is fixed with the connecting rod, the one end that the mount pad was kept away from to the connecting rod is installed the seal receptacle, the both sides of second valve body run through respectively has inlet tube and outlet pipe.
Preferably, the first valve body and the second valve body are fixed through bolts, and the connecting rod is of an L-shaped structure.
Preferably, the casing is hollow cuboid structure, the thread bush is cuboid structure, thread bush and casing sliding connection.
Preferably, the spring is movably sleeved on the countersunk head bolt, and the surface of the countersunk head bolt is provided with scale marks.
Preferably, a guide shaft is fixed at the bottom of the sealing seat, and the guide shaft is connected with the second valve body in a sliding manner.
Preferably, the sealing seat is in a wedge-shaped structure and is in sliding connection with the water inlet pipe.
Preferably, one end of the water inlet pipe and one end of the water outlet pipe, which are far away from the second valve body, are both fixed with a linking flange.
Preferably, a high-pressure gauge is installed at the top of the water inlet pipe, and a low-pressure gauge is installed at the top of the first valve body.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model is used for respectively connecting a first pipeline and a second pipeline with a main pipeline through connecting flanges, the main pipeline inputs a medium through the first pipeline, a user rotates a countersunk head bolt by using a tool, the length of the countersunk head bolt screwed into the device is calculated according to the output pressure required by actual use, the adjustment is more accurate by observing a scale mark, the countersunk head bolt drives a threaded sleeve through thread transmission, the threaded sleeve slides and extrudes a spring, the spring elasticity pushes a mounting seat, the mounting seat drives a connecting rod, the connecting rod drives a sealing seat, the sealing seat is separated from a water inlet pipe, at the moment, the medium enters the device and is discharged through a water outlet pipe, the pressure inside the system is simple and convenient to use by observing a high-pressure gauge and a low-pressure gauge when the visual observation device works, meanwhile, the structure of the device is simple, the first valve body and the second valve body can be decomposed after the bolt is, the device is convenient to maintain.
Drawings
Fig. 1 is a schematic structural view of a high-precision pressure reducing valve provided by the present invention;
fig. 2 is a top cross-sectional view of a housing of a high precision pressure reducing valve according to the present invention;
fig. 3 is an overall view of the mounting seat of the high-precision pressure reducing valve provided by the present invention.
In the figure: the pressure-measuring valve comprises a first valve body 1, a second valve body 2, a sealing gasket 3, a shell 4, a countersunk bolt 5, a threaded sleeve 6, a spring 7, a mounting seat 8, a connecting rod 9, a sealing seat 10, a guide shaft 11, a first pipeline 12, a second pipeline 13, a connecting flange 14, a high-pressure gauge 15 and a low-pressure gauge 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a high-precision pressure reducing valve comprises a first valve body 1 and a second valve body 2, wherein the first valve body 1 and the second valve body 2 are fixed by bolts, a housing 4 is installed at the top of the first valve body 1, a countersunk bolt 5 is rotatably connected to the top of the housing 4, the countersunk bolt 5 is inserted into the housing 4 and is connected with a threaded sleeve 6 by threads, the housing 4 is a hollow cuboid structure, the threaded sleeve 6 is a cuboid structure, the threaded sleeve 6 is slidably connected with the housing 4, a sealing gasket 3 is installed between the first valve body 1 and the second valve body 2, an installation seat 8 is installed on the sealing gasket 3, a spring 7 is installed between the bottom of the threaded sleeve 6 and the installation seat 8, a connecting rod 9 is fixed at the bottom of the installation seat 8, the connecting rod 9 is an "L" structure, a sealing seat 10 is installed at one end of the connecting rod 9 far away from the installation seat 8, a guide shaft 11, guide shaft 11 and 2 sliding connection of second valve body, the wedge structure of seal receptacle 10, seal receptacle 10 and inlet tube 12 sliding connection, inlet tube 12 and outlet pipe 13 have been run through respectively to the both sides of second valve body 2, the one end that second valve body 2 was kept away from to inlet tube 12 and outlet pipe 13 all is fixed with linking flange 14, high pressure gauge 15 is installed at the top of inlet tube 12, low pressure gauge 16 is installed at the top of first valve body 1, the length in the 5 screw in devices of countersunk head bolt can be worked out to this device according to the output pressure that the in-service use needs, it is more accurate to make the regulation through observing the scale mark, the while device simple structure, can decompose first valve body 1 and second valve body 2 after screwing off the bolt, the device maintenance of being convenient for.
The working principle is as follows: when in use, the first pipeline 12 and the second pipeline 13 are respectively connected with the main pipeline through the connecting flange 14, the main pipeline inputs a medium through the first pipeline 12, a user rotates the countersunk head bolt 5 by using a tool, the length of the countersunk head bolt 5 screwed into the device is calculated according to output pressure required by actual use, the adjustment is more accurate by observing a scale mark, the countersunk head bolt 8 drives the threaded sleeve 6 through threaded transmission, the threaded sleeve 6 slides to extrude the spring 7, the spring 7 pushes the mounting seat 8 elastically, the mounting seat 8 drives the connecting rod 9, the connecting rod 9 drives the sealing seat 10, the sealing seat 10 is separated from the water inlet pipe 12, the medium enters the inside of the device and is discharged through the water outlet pipe 13, the pressure inside the system is simple and convenient to use when the visual observation device works by observing the high-pressure gauge 15 and the low-pressure gauge 16, meanwhile, the device has simple structure, the first valve body 1 and the second valve body 2 can be disassembled after the bolt is screwed, the device is convenient to maintain.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. The utility model provides a high-precision pressure reducing valve, includes first valve body and second valve body, its characterized in that, the casing is installed at the top of first valve body, the top of casing is rotated and is connected with the countersunk head bolt, the countersunk head bolt inserts the inside of casing and has the thread bush through threaded connection, install sealed the pad between first valve body and the second valve body, install the mount pad on the sealed pad, install the spring between the bottom of thread bush and the mount pad, the bottom of mount pad is fixed with the connecting rod, the one end that the mount pad was kept away from to the connecting rod is installed the seal receptacle, the both sides of second valve body run through respectively has inlet tube and outlet pipe.
2. The high-precision pressure reducing valve according to claim 1, wherein the first valve body and the second valve body are fixed by bolts, and the connecting rod is of an L-shaped structure.
3. The high-precision pressure reducing valve according to claim 1, wherein the housing is of a hollow rectangular parallelepiped structure, the threaded sleeve is of a rectangular parallelepiped structure, and the threaded sleeve is slidably connected with the housing.
4. The high-precision pressure reducing valve according to claim 3, wherein the spring is movably sleeved on a countersunk head bolt, and the surface of the countersunk head bolt is provided with scale marks.
5. The high-precision pressure reducing valve according to claim 1, wherein a guide shaft is fixed to the bottom of the sealing seat, and the guide shaft is slidably connected with the second valve body.
6. A high precision pressure reducing valve according to claim 5, wherein the sealing seat is in a wedge-shaped structure and is slidably connected with the water inlet pipe.
7. The high-precision pressure reducing valve according to claim 6, wherein the ends of the water inlet pipe and the water outlet pipe, which are far away from the second valve body, are both fixed with linking flanges.
8. The high-precision pressure reducing valve according to claim 1, wherein a high-pressure gauge is mounted on the top of the water inlet pipe, and a low-pressure gauge is mounted on the top of the first valve body.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021141055.1U CN212868622U (en) | 2020-06-18 | 2020-06-18 | High-precision pressure reducing valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202021141055.1U CN212868622U (en) | 2020-06-18 | 2020-06-18 | High-precision pressure reducing valve |
Publications (1)
Publication Number | Publication Date |
---|---|
CN212868622U true CN212868622U (en) | 2021-04-02 |
Family
ID=75210674
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202021141055.1U Active CN212868622U (en) | 2020-06-18 | 2020-06-18 | High-precision pressure reducing valve |
Country Status (1)
Country | Link |
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CN (1) | CN212868622U (en) |
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2020
- 2020-06-18 CN CN202021141055.1U patent/CN212868622U/en active Active
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