CN218294503U - Pressure reducing valve with guiding function - Google Patents
Pressure reducing valve with guiding function Download PDFInfo
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- CN218294503U CN218294503U CN202222770967.0U CN202222770967U CN218294503U CN 218294503 U CN218294503 U CN 218294503U CN 202222770967 U CN202222770967 U CN 202222770967U CN 218294503 U CN218294503 U CN 218294503U
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- valve
- valve body
- blowdown
- clack
- positioning sleeve
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Abstract
The utility model provides a simple structure, easy to repair installation's a relief pressure valve with guide effect, including the valve body, set up valve gap on the valve body, set up inhalant canal and exhalant canal on the valve body, set up disk seat, the slip between inhalant canal and exhalant canal and locate this internal valve rod of valve, locate valve rod on be used for the valve seat's valve clack, position sleeve, be equipped with decompression pressure stabilizer in the valve body, the position sleeve is located this internal and be located the valve clack below of valve, the valve rod is worn out valve clack valve body bottom and is extended and be equipped with the guide bar, the guide bar slides and wears to locate in the position sleeve.
Description
Technical Field
The utility model relates to a valve field, in particular to relief pressure valve with guide effect.
Background
The pressure reducing valve is used for controlling the opening degree of an opening and closing part in a valve body to adjust the flow of a medium, reducing the pressure of the medium, adjusting the opening degree of the opening and closing part by means of the action of the pressure behind the valve to keep the pressure behind the valve within a certain range, and keeping the pressure at an outlet within a set range under the condition that the pressure at the inlet is continuously changed to protect the subsequent life and production appliances.
When the existing pressure reducing valve is used, after the valve clack is opened, because water flow impacts the valve clack in a pipeline, the valve clack cannot keep parallelism, and further the sealing function of the valve clack is influenced, and the sealing effect of the valve is influenced. To solve this problem, the present invention has been made in view of the above.
SUMMERY OF THE UTILITY MODEL
Therefore, to foretell problem, the utility model provides a simple structure, easy to maintain one kind of installation have a guiding action relief pressure valve.
In order to achieve the purpose, the technical scheme of the utility model a relief pressure valve with guiding effect is provided, including the valve body, set up valve gap on the valve body, set up inhalant canal and exhalant canal on the valve body, set up disk seat, the slip between inhalant canal and exhalant canal and locate this internal valve rod of valve, locate valve clack, the position sleeve that is used for sealed disk seat on locating the valve rod, be equipped with decompression pressure stabilizer in the valve body, the position sleeve is located this internal and be located the valve clack below of valve, the valve rod is worn out valve clack valve body bottom and is extended and be equipped with the guide bar, the guide bar slides and wears to locate in the position sleeve.
The further improvement is that: the locating sleeve is provided with a water drainage through hole which penetrates through the locating sleeve and prevents the guide rod from penetrating into the water resistance.
The further improvement is that: and a sewage discharge device is arranged between the bottom of the valve body and the positioning sleeve.
The further improvement is that: the blowdown device comprises a blowdown plug, a blowdown channel is formed in the position, located on the positioning sleeve, of the valve body, the blowdown plug is arranged in the blowdown channel through a clamping device to seal the blowdown channel, and the positioning sleeve is fixedly arranged on the blowdown plug.
The further improvement is that: the clamping device is as follows: the blowdown end cap is connected with the threads and penetrates through the blowdown channel, and a sealing device is arranged on the blowdown end cap.
The further improvement is that: the sealing device comprises: and a sealing ring is arranged between the sewage discharge plug and the valve body.
The further improvement is that: the pressure reducing and stabilizing device comprises a diaphragm, and the valve clack is: the diaphragm is arranged at the upper end of the I-shaped valve clack and is arranged between the valve body and the valve cover, the valve rod penetrates through the upper end of the I-shaped valve clack and is slidably arranged on the valve cover in a penetrating mode, and an elastic piece is arranged between the I-shaped valve clack and the valve cover.
The further improvement is that: the elastic piece is a spring, the spring is sleeved on the valve rod, one end of the spring is abutted against the upper end part of the I-shaped valve clack, and the other end of the spring is abutted against the valve cover.
The utility model has the advantages and the beneficial effects that:
1. simple structure and good sealing performance. The I-shaped valve clack is vertically upward through the positioning sleeve and the guide rod, under the impact of flowing water, the positioning sleeve is matched with the guide rod, the valve rod is matched with the upper guide sleeve of the valve cover, the upper and lower positioning of the I-shaped valve clack is realized, the I-shaped valve clack is vertically movably arranged in the valve body up and down, and the parallelism of the I-shaped valve clack and the valve body is always kept, so that the sealing performance of the valve is improved, and the service lives of the valve rod and the I-shaped valve clack are prolonged.
2. The drainage through hole can make the inside rivers of position sleeve discharge when the guide bar glides downwards, avoids the aquatic product of gathering in the position sleeve to produce the water resistance and hinder the guide bar and slide, makes the more smooth and easy lapse of guide bar ability, improves the sealed effect of valve.
3. Through the blowdown end cap, can clear up valve inside, can take out the position sleeve when opening sealed end cap, clear up it, avoid impurity jam in the position sleeve for the guide bar can be stable slide in the position sleeve, improve valve seal's stability.
Drawings
Fig. 1 is a schematic structural view of a pressure reducing valve with guiding function according to an embodiment of the present invention.
Fig. 2 is a schematic view of a cut-open structure of a pressure reducing valve with a guiding function according to an embodiment of the present invention.
Fig. 3 is an enlarged schematic structural diagram of embodiment a of the present invention.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
As shown in fig. 1-3, a pressure reducing valve with guiding function includes a valve body 1, a valve cover 4 disposed on the valve body 1, a water inlet channel 2 and a water outlet channel 3 disposed on the valve body 1, a valve seat 5 disposed between the water inlet channel 2 and the water outlet channel 3, a valve rod 7 slidably disposed in the valve body 1, and an i-shaped valve flap 6 disposed on the valve rod 7 and used for sealing the valve seat 5, wherein a diaphragm 8 is disposed at an upper end of the i-shaped valve flap 6 and the diaphragm 8 is disposed between the valve body 1 and the valve cover 4, the valve rod 7 penetrates through an upper end of the i-shaped valve flap 6 and slidably disposed in an upper guide sleeve 41 disposed on the valve cover 4, a spring 9 is disposed between the i-shaped valve flap 6 and the valve cover 4, the spring 9 is sleeved on the valve rod 7, one end of the spring 9 abuts against an upper end of the i-shaped valve flap 6, the other end of the spring 9 abuts against the valve cover 4, a positioning sleeve 11 is disposed in the valve body 1 and below the i-shaped valve rod 6, the valve flap 7 penetrates through the bottom of the i-shaped valve flap 6 and extends to provide a guide rod 10, and the guide sleeve 11 slidably disposed in the valve body 1.
When the valve is used, when the I-shaped valve clack 6 is opened upwards, the guide rod 10 penetrates through the positioning sleeve 11 in a sliding mode and is always positioned in the positioning sleeve 11, so that the I-shaped valve clack 6 is vertically upwards, under the impact of flowing water, the positioning sleeve 11 is matched with the guide rod 10, the valve rod 7 is matched with the upper guide sleeve 41 of the valve cover 4, the up-and-down positioning of the I-shaped valve clack 6 is realized, the I-shaped valve clack 6 is vertically and movably arranged in the valve body up and down, and the parallelism of the valve rod and the valve body 1 is always kept, so that the sealing performance of the valve is improved, and the service lives of the valve rod and the I-shaped valve clack 6 are prolonged.
In order to prevent the guide rod 10 from blocking sliding in the guide pipe and affecting the sealing of the valve, the positioning sleeve 11 is provided with a water drainage through hole 12 which penetrates through the positioning sleeve 11 and prevents the guide rod 10 from penetrating to generate water blocking. Wherein can make the inside rivers of position sleeve 11 discharge when guide bar 10 is gliding downwards through drainage through-hole 12, avoid accumulating the water in position sleeve 11 and produce the water resistance and hinder the guide bar 10 and slide, make the more smooth and easy lapse of guide bar 10, improve the sealed effect of valve.
In order to prevent the locating sleeve 11 from blocking and conveniently cleaning impurities inside the valve, a sewage discharge device is arranged between the bottom of the valve body 1 and the locating sleeve 11.
Specifically, the sewage discharging device comprises a sewage discharging plug 13, a sewage discharging channel is formed in the position, located in the positioning sleeve 11, of the valve body 1, the sewage discharging plug 13 is connected with the sewage discharging channel in a threaded mode to seal the sewage discharging channel, a sealing ring 14 is arranged on the sewage discharging plug 13, and the positioning sleeve 11 is fixedly arranged on the sewage discharging plug 13. When the impurity siltation in the valve bottom, through opening blowdown end cap 13, clear up valve inside, can also take out position sleeve 11 when opening blowdown end cap 13, clear up it, avoid the impurity jam in position sleeve 11 for guide bar 10 can be stable slide in 11 to position sleeve, improve the stability of valve seal.
Having shown and described the basic principles and essential features of the invention and its advantages, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but is susceptible to various changes and modifications without departing from the spirit and scope of the invention, all of which are intended to be covered by the appended claims and their equivalents.
Claims (8)
1. The utility model provides a relief pressure valve with guide effect, includes the valve body, set up valve gap on the valve body, set up inhalant canal and exhalant canal on the valve body, set up disk seat between inhalant canal and exhalant canal, slide and locate this internal valve rod of valve, locate the valve clack that is used for sealed disk seat on the valve rod, be equipped with decompression pressure stabilizer in the valve body, its characterized in that: the valve comprises a valve body, and is characterized by further comprising a positioning sleeve, wherein the positioning sleeve is arranged in the valve body and located below the valve clack, the valve rod penetrates out of the bottom of the valve body of the valve clack and extends to form a guide rod, and the guide rod penetrates through the positioning sleeve in a sliding manner.
2. A pilot operated pressure relief valve as claimed in claim 1, wherein: the locating sleeve is provided with a water drainage through hole which penetrates through the locating sleeve and prevents the guide rod from penetrating into the water resistance.
3. A pilot operated pressure relief valve as claimed in claim 1, wherein: and a sewage discharge device is arranged between the bottom of the valve body and the positioning sleeve.
4. A pilot operated pressure relief valve as claimed in claim 3, wherein: the blowdown device comprises a blowdown plug, a blowdown channel is formed in the position, located on the positioning sleeve, of the valve body, the blowdown plug is arranged in the blowdown channel through a clamping device to seal the blowdown channel, and the positioning sleeve is fixedly arranged on the blowdown plug.
5. A pilot operated pressure relief valve as claimed in claim 4, wherein: the clamping device is as follows: the blowdown end cap threaded connection wears to locate in the blowdown passageway, be equipped with sealing device on the blowdown end cap.
6. A pilot operated pressure relief valve as claimed in claim 5, wherein: the sealing device is as follows: and a sealing ring is arranged between the sewage discharge plug and the valve body.
7. A pilot operated pressure relief valve as claimed in claim 1, wherein: the pressure reducing and stabilizing device comprises a diaphragm, and the valve clack is: the diaphragm is arranged at the upper end part of the I-shaped valve clack and is arranged between the valve body and the valve cover, the valve rod penetrates through the upper end part of the I-shaped valve clack and is slidably arranged on the valve cover in a penetrating manner, and the elastic piece is arranged between the I-shaped valve clack and the valve cover.
8. A pilot operated pressure relief valve as claimed in claim 7, wherein: the elastic piece is a spring, the spring is sleeved on the valve rod, one end of the spring is abutted against the upper end part of the I-shaped valve clack, and the other end of the spring is abutted against the valve cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222770967.0U CN218294503U (en) | 2022-10-20 | 2022-10-20 | Pressure reducing valve with guiding function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222770967.0U CN218294503U (en) | 2022-10-20 | 2022-10-20 | Pressure reducing valve with guiding function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218294503U true CN218294503U (en) | 2023-01-13 |
Family
ID=84809370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222770967.0U Active CN218294503U (en) | 2022-10-20 | 2022-10-20 | Pressure reducing valve with guiding function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218294503U (en) |
-
2022
- 2022-10-20 CN CN202222770967.0U patent/CN218294503U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |