CN217355712U - Special bypass relief valve of excess pressure watch-dog - Google Patents
Special bypass relief valve of excess pressure watch-dog Download PDFInfo
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- CN217355712U CN217355712U CN202220489673.8U CN202220489673U CN217355712U CN 217355712 U CN217355712 U CN 217355712U CN 202220489673 U CN202220489673 U CN 202220489673U CN 217355712 U CN217355712 U CN 217355712U
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- valve body
- square tubular
- tubular valve
- pipeline
- bin
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- 238000009434 installation Methods 0.000 claims abstract description 28
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000006835 compression Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram 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
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model discloses a special bypass relief valve of excess pressure watch-dog, including the square tubular valve body of intercommunication on the pipeline, the inside bottom of square tubular valve body is close to one side of pipeline and installs first restriction frame, and the opposite side of the inside bottom of square tubular valve body installs second restriction frame, the intermediate position department intercommunication at square tubular valve body top has the blast pipe, the spacing groove has all been seted up to one side that the pipeline was kept away from to the inside top of square tubular valve body and bottom. The utility model discloses a threaded connection of U template and lead screw, the sliding connection of U template and installation storehouse for operating personnel can drive the U template through rotating the lead screw and correspond lateral shifting, and then can change the initial compression degree of first spring, and then can make the piston rod receive the required resistance of pressure displacement and change thereupon, and then the pressure size when the operating personnel of being convenient for adjusts the pressure release according to actual demand, and is convenient for disassemble and maintain or clean.
Description
Technical Field
The utility model relates to a residual pressure watch-dog technical field especially relates to a special bypass relief valve of residual pressure watch-dog.
Background
With the continuous progress of society, more and more high-rise buildings appear in people's life, and high-rise building is in the actual building in-process, generally can be equipped with the malleation air supply system, and the excess pressure monitor is one of them more critical part, and excess pressure controller itself comprises a plurality of parts, and the dish leads to relief valve is just one of them.
The special bypass relief valve of current excess pressure watch-dog, its inside is generally through being provided with the elastic part for can push away the elastic part automatically after pressure reaches certain range, unnecessary gas can be discharged smoothly, but its elastic part's resistance often is not convenient for adjust, and then is not convenient for adjust the pipe internal pressure size according to actual demand.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a special bypass relief valve for a residual pressure monitor.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a bypass relief valve special for an excess pressure monitor comprises a square tubular valve body communicated on a pipeline, wherein a first limiting frame is arranged on one side, close to the pipeline, of the bottom inside the square tubular valve body, a second limiting frame is arranged on the other side of the bottom inside the square tubular valve body, an exhaust pipe is communicated with the middle position of the top of the square tubular valve body, limiting grooves are formed in one sides, far away from the pipeline, of the top and the bottom inside the square tubular valve body, an installation bin is arranged on one side, far away from the pipeline, of the second limiting frame, a lead screw penetrates through one side, far away from the pipeline, of the installation bin, a U-shaped plate is sleeved on the outer side of the lead screw, the U-shaped plate penetrates through the installation bin and extends into the square tubular valve body, arc-shaped grooves are formed in the top and the bottom of the U-shaped plate, an installation plate is installed on one side, far away from the installation bin, of the U-shaped plate, and a piston rod penetrates through one side of the installation plate, and a first spring is connected between the piston rod and the mounting plate, and a limiting mechanism used for fixing the mounting bin is arranged on the mounting bin.
Preferably, the central axis of the screw rod is parallel to the transverse central axis of the mounting bin, and the screw rod is rotatably connected with the mounting bin.
Preferably, the U-shaped plate is in threaded connection with the screw rod, and the U-shaped plate is in sliding connection with the installation bin.
Preferably, the transverse central axis of the piston rod is parallel to the transverse central axis of the mounting plate, and the piston rod, the mounting plate and the square tubular valve body form a relative sliding structure.
Preferably, the limiting mechanism comprises limiting parts which penetrate through the top and the bottom of the interior of the installation bin respectively, the limiting parts extend into the limiting grooves, and a second spring is connected between the limiting parts and the installation bin.
Preferably, the bottom of the limiting part is provided with a groove, and a ball is arranged in the groove.
Compared with the prior art, the utility model, its beneficial effect does:
1. through the threaded connection of U template and lead screw, the sliding connection of U template and installation storehouse for operating personnel can drive the U template through rotating the lead screw and correspond lateral shifting, and then can change the initial compression degree of first spring, and then can make the piston rod receive the required resistance of pressure displacement and change thereupon, and then the pressure size when the operating personnel of being convenient for adjusts the pressure release according to actual demand.
2. Through the arc-shaped groove formed in the U-shaped plate, when an operator drives the U-shaped plate to move to the limit position away from the piston rod through the rotating screw rod, the balls can enter the inside of the arc-shaped groove, the second spring can drive the limiting part to slide away from the corresponding limiting groove, and then the operator can conveniently detach and maintain the mounting bin and clean and maintain the inside of the square tubular valve body.
Drawings
Fig. 1 is a schematic view of a front view cross-sectional structure of a bypass relief valve for a residual pressure monitor according to the present invention;
fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention;
fig. 3 is the utility model provides a three-dimensional structure schematic diagram of special bypass relief valve U template of excess pressure watch-dog.
In the figure: the device comprises a main pipeline 1, a square tubular valve body 2, a first limiting frame 3, a second limiting frame 4, an exhaust pipe 5, a limiting groove 6, an installation bin 7, a screw rod 8, a U-shaped plate 9, an arc-shaped groove 10, an installation plate 11, a piston rod 12, a first spring 13, a limiting part 14, a second spring 15, a groove 16 and a ball 17.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms different from the embodiments described herein and similar modifications may be made by those skilled in the art without departing from the spirit and scope of the invention and, therefore, the invention is not limited to the embodiments disclosed below.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Referring to fig. 1-3, a bypass relief valve special for a residual pressure monitor comprises a square tubular valve body 2 communicated with a pipeline 1, wherein a first limiting frame 3 is installed on one side, close to the pipeline 1, of the bottom inside the square tubular valve body 2, a second limiting frame 4 is installed on the other side of the bottom inside the square tubular valve body 2, an exhaust pipe 5 is communicated with the middle position of the top of the square tubular valve body 2, limiting grooves 6 are formed in the top and bottom of the square tubular valve body 2, far away from the pipeline 1, one side, far away from the pipeline 1, of the second limiting frame 4 is provided with an installation bin 7, a lead screw 8 penetrates through one side, far away from the pipeline 1, of the installation bin 7, the central axis of the lead screw 8 is parallel to the transverse central axis of the installation bin 7, and the lead screw 8 is rotatably connected with the installation bin 7, so that an operator can manually rotate the lead screw 8;
the outer side of the screw rod 8 is sleeved with a U-shaped plate 9, the U-shaped plate 9 penetrates through the installation bin 7 and extends into the square tubular valve body 2, arc-shaped grooves 10 are formed in the top and the bottom of the U-shaped plate 9, the U-shaped plate 9 is in threaded connection with the screw rod 8, and the U-shaped plate 9 is in sliding connection with the installation bin 7, so that when the screw rod 8 rotates, the U-shaped plate 9 can correspondingly slide transversely;
a mounting plate 11 is mounted on one side, away from the mounting bin 7, of the U-shaped plate 9, a piston rod 12 penetrates through one side of the mounting plate 11, a first spring 13 is connected between the piston rod 12 and the mounting plate 11, the transverse central axis of the piston rod 12 is parallel to the transverse central axis of the mounting plate 11, and the piston rod 12, the mounting plate 11 and the square tubular valve body 2 form a relative sliding structure respectively, so that when the pressure in the pipeline 1 is too high, the piston rod 12 can be driven to slide towards the direction away from the pipeline 1, the exhaust pipe 5 is communicated with the pipeline 1, and further, redundant gas can be exhausted through the exhaust pipe 5, and a pressure relief task is completed;
be provided with on the installation storehouse 7 and be used for carrying out the stop gear who fixes to itself, stop gear is including running through the locating part 14 at the inside top in installation storehouse 7 and bottom respectively, and locating part 14 extends to the inside of spacing groove 6, be connected with second spring 15 between locating part 14 and the installation storehouse 7, the bottom of locating part 14 is seted up flutedly 16, and the inside of recess 16 is provided with ball 17, when making forward rotation lead screw 8 drive U template 9 and remove to the extreme position department of keeping away from pipeline 1, ball 17 can get into the inside that corresponds arc wall 10, make locating part 14 slide thereupon and leave in the corresponding spacing groove 6, and then the part of being convenient for operating personnel to install storehouse 7 and on it dismantles.
When the utility model is used, as shown in fig. 1-3, the device is installed on the pipeline 1, when the air pressure in the pipeline 1 is too large, the piston rod 12 is respectively connected with the installation plate 11 and the square tubular valve body 2 in a sliding way, so that the piston rod 12 can slide towards the direction far away from the pipeline 1, the exhaust pipe 5 is communicated with the pipeline 1, so that the redundant air can be exhausted through the exhaust pipe 5, when the pressure in the pressure relief pipeline 1 needs to be adjusted, the screw rod 8 is rotated, the U-shaped plate 9 is connected with the screw rod 8 through the screw thread of the U-shaped plate 9, the U-shaped plate 9 is connected with the installation bin 7 in a sliding way, so that the U-shaped plate 9 can correspondingly move transversely at the moment, because the piston rod 12 is blocked by the first limiting frame 3, the compression degree of the first spring 13 can be changed at the moment, and further, the pressure required for sealing the exhaust pipe 5 can be removed through the sliding of the piston rod 12 is changed therewith, and then can adjust required pressure size when pressure release in the pipeline 1 as required, when needing to clean in square tubular valve body 2, forward rotation lead screw 8, make U template 9 can remove to the direction of keeping away from square tubular valve body 2 this moment, move to extreme position department until U template 9, ball 17 just in time gets into the inside that corresponds arc wall 10 this moment, second spring 15 drives in locating part 14 leaves corresponding spacing groove 6, and then make installation storehouse 7 and square tubular valve body 2 spacing relieved, will install storehouse 7 and the part on it follow square tubular valve body 2 in extract can.
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 (6)
1. The bypass pressure relief valve special for the excess pressure monitor comprises a square tubular valve body (2) communicated with a pipeline (1), and is characterized in that a first limiting frame (3) is installed on one side, close to the pipeline (1), of the inner bottom of the square tubular valve body (2), a second limiting frame (4) is installed on the other side of the inner bottom of the square tubular valve body (2), an exhaust pipe (5) is communicated with the middle position of the top of the square tubular valve body (2), limiting grooves (6) are formed in one sides, far away from the pipeline (1), of the inner top and the bottom of the square tubular valve body (2), an installation bin (7) is arranged on one side, far away from the pipeline (1), of the second limiting frame (4), a lead screw (8) penetrates through one side, far away from the pipeline (1), of the installation bin (7), a U-shaped plate (9) is sleeved on the outer side of the lead screw (8), and the U-shaped plate (9) penetrates through the installation bin (7) and extends to the inner portion of the square tubular valve body (2), arc wall (10) have all been seted up to the top and the bottom of U template (9), U template (9) are kept away from one side of installing bin (7) and are installed mounting panel (11), and one side of mounting panel (11) runs through there is piston rod (12) to be connected with first spring (13) between piston rod (12) and mounting panel (11), be provided with on installing bin (7) and be used for carrying out the stop gear who fixes to itself.
2. The bypass pressure relief valve special for the excess pressure monitor according to claim 1, wherein the central axis of the screw rod (8) is parallel to the transverse central axis of the mounting bin (7), and the screw rod (8) is rotatably connected with the mounting bin (7).
3. The bypass pressure relief valve special for the excess pressure monitor according to claim 1, wherein the U-shaped plate (9) is in threaded connection with the screw rod (8), and the U-shaped plate (9) is in sliding connection with the mounting bin (7).
4. The bypass pressure relief valve special for the excess pressure monitor according to claim 1, wherein the transverse central axis of the piston rod (12) is parallel to the transverse central axis of the mounting plate (11), and the piston rod (12) and the mounting plate (11) and the square tubular valve body (2) respectively form a relative sliding structure.
5. The bypass pressure relief valve special for the excess pressure monitor according to claim 1, wherein the limiting mechanism comprises limiting members (14) respectively penetrating through the top and the bottom inside the mounting bin (7), the limiting members (14) extend to the inside of the limiting groove (6), and a second spring (15) is connected between the limiting members (14) and the mounting bin (7).
6. The bypass pressure relief valve special for the excess pressure monitor according to claim 5, wherein a groove (16) is formed at the bottom of the limiting member (14), and a ball (17) is arranged inside the groove (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220489673.8U CN217355712U (en) | 2022-03-08 | 2022-03-08 | Special bypass relief valve of excess pressure watch-dog |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220489673.8U CN217355712U (en) | 2022-03-08 | 2022-03-08 | Special bypass relief valve of excess pressure watch-dog |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217355712U true CN217355712U (en) | 2022-09-02 |
Family
ID=83051969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220489673.8U Active CN217355712U (en) | 2022-03-08 | 2022-03-08 | Special bypass relief valve of excess pressure watch-dog |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217355712U (en) |
-
2022
- 2022-03-08 CN CN202220489673.8U patent/CN217355712U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: Room 401, Building 2, Liandong U Valley Industrial Park, No. 819, Huaguan Road, High tech Zone, Qingdao, Shandong 266000 Patentee after: Qingdao Lanrui Electronic Manufacturing Co.,Ltd. Country or region after: China Address before: 266000 401, building 2, Liandong u Valley Industrial Park, No. 819, Huaguan Road, high tech Zone, Chengyang District, Qingdao, Shandong Province Patentee before: QINGDAO LANRUI ELECTRONIC TECHNOLOGY Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |