CN214093224U

CN214093224U - Pipeline valve protection device

Info

Publication number: CN214093224U
Application number: CN202022767129.9U
Authority: CN
Inventors: 朱吉胜; 周彬; 杨智勇
Original assignee: Alken Valve Co ltd
Current assignee: Alken Valve Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-08-31
Anticipated expiration: 2030-11-25

Abstract

The utility model discloses a pipeline valve protection device aims at providing a pipeline valve protection device that can detect valve gas leakage, and its technical scheme main points are including the guard box, seted up the protection chamber in the guard box, be provided with the pressure measuring section of thick bamboo in the protection chamber, pressure measuring section of thick bamboo one end with the lateral wall in protection chamber is connected, and the other end is provided with elastic film, and the one end that is close to the protection chamber lateral wall in the pressure measuring section of thick bamboo is provided with pressure sensor, is provided with the locating piece on the inside lateral wall of pressure measuring section of thick bamboo, and the locating piece has seted up the locating hole along pressure measuring section of thick bamboo axis direction, and sliding connection has the pressure measuring pole in the locating hole, and the one end that the pressure measuring pole is close to elastic film is provided with the baffle that offsets with elastic film, and the other end is towards pressure sensor, the cover is equipped with compression spring on the pressure measuring pole, and compression spring is located between baffle and the locating piece, the utility model discloses it can detect the gaseous revealing of valve department and send out the police dispatch newspaper, Absorb the steam around the valve body and prevent the valve body from rusting and aging.

Description

Pipeline valve protection device

Technical Field

The utility model relates to a valve protection field, in particular to pipeline valve protection device.

Background

Valves are pipe fittings used to open and close pipes, control flow direction, regulate and control parameters (temperature, pressure and flow) of a transport medium, and are classified into shut-off valves, check valves, regulating valves, and the like according to their functions.

After the valve is used for a long time, leakage phenomena may exist due to abrasion and aging, especially in a gas pipeline, gas leakage generated at the valve cannot be timely detected, especially slight gas leakage is difficult to detect, and certain potential safety hazards can be caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pipeline valve protection device, it has the advantage that can detect gas valve department gas leakage.

The above technical purpose of the present invention can be achieved by the following technical solutions: a pipeline valve protection device comprises a valve body and pipelines arranged at two ends of the valve body, and comprises a protection box, wherein a protection cavity is formed in the protection box, the valve body is arranged in the protection cavity, two side walls of the protection box are respectively provided with an installation hole for the pipeline to pass through, and the inner wall of each installation hole is attached to the pipeline; the protection box comprises an upper box body and a lower box body, the upper box body and the lower box body are detachably connected, and the mounting hole comprises an upper semicircular groove located on the upper box body and a lower semicircular groove located on the lower box body;

a battery, a control module and a pressure detection module are arranged in the protection cavity, and an alarm module electrically connected with the control module is arranged outside the protection box;

the pressure detection module comprises a pressure measuring cylinder, one end of the pressure measuring cylinder is connected with the side wall of the protection cavity, the other end of the pressure measuring cylinder is provided with an elastic film, one end of the pressure measuring cylinder, which is close to the side wall of the protection cavity, is provided with a pressure sensor electrically connected with the control module, the side wall inside the pressure measuring cylinder is provided with a positioning block, the positioning block is provided with a positioning hole along the axial direction of the pressure measuring cylinder, the positioning hole is internally and slidably connected with a pressure measuring rod, one end of the pressure measuring rod, which is close to the elastic film, is provided with a baffle plate which is abutted against the elastic film, the other end of the pressure measuring rod faces the pressure sensor, the pressure measuring rod is sleeved with a compression spring, the compression spring is positioned between the baffle plate and the positioning block, when the air pressure in the protection cavity is greater than the air pressure in the pressure measuring cylinder, the elastic film deforms towards one side of the baffle plate, the baffle abutting against the elastic film drives the pressure measuring rod to move towards the direction of the pressure sensor, so that one end, away from the baffle, of the pressure measuring rod abuts against the pressure sensor, and at the moment, the compression spring is in a compression state; when the upper box body is opened so that the air pressure in the protection cavity is equal to the air pressure in the pressure measuring cylinder, the compression spring provides elastic force to enable the baffle plate to move towards one side of the elastic film, and therefore the pressure measuring rod is not abutted to the pressure sensor.

Through adopting above-mentioned technical scheme, when valve body department produced gas leakage, the protection chamber atmospheric pressure in the guard box risees and is greater than the inside pressure of pressure measuring section of thick bamboo, will send out the police dispatch newspaper to the external world through alarm module when pressure sensor detects pressure anomaly, and the gas that the valve body was revealed can carry steam, thereby pressure measuring section of thick bamboo and elastic film in the pressure detection module can effectively prevent steam and cause the erosion in entering into pressure sensor.

Further setting: be provided with the sealing washer in the mounting hole, go up the semicircular groove with all seted up the confession along circumference on the inner wall of lower semicircular groove the seal groove of sealing washer embedding.

Through adopting above-mentioned technical scheme, can further promote the leakproofness in the inside protection chamber of guard box.

Further setting: the bottom wall of the lower box body is provided with a first vent hole, a switch valve is arranged in the protection cavity and located above the first vent hole, the switch valve is electrically connected with the control module, a controller used for controlling the switch valve is arranged outside the protection box, and the controller is electrically connected with the control module.

Through adopting above-mentioned technical scheme, when the staff received the alarm that alarm module sent, the last box body that need open the guard box overhauld the valve body with lower box body, but because the valve reveals that probably leads to the atmospheric pressure in the protection cavity higher, directly open and have certain risk, so be provided with ooff valve and first air vent, the staff opens the ooff valve through the controller for the protection cavity is through first air vent and external intercommunication, reduces the pressure in the protection cavity.

Further setting: the protection box is characterized in that a gas storage box is arranged below the protection box, the protection box is detachably connected with the gas storage box, a gas storage cavity is arranged inside the gas storage box, a second vent hole opposite to the first vent hole is formed in the gas storage box, the protection cavity is communicated with the second vent hole through the first vent hole, a sealing plate is hinged to the top wall of the gas storage cavity, the sealing plate is located below the second vent hole, a torsional spring is arranged at the hinged position of the sealing plate, one end of the torsional spring is connected with the sealing plate, and the other end of the torsional spring is connected with the top wall of the gas storage cavity.

Through adopting above-mentioned technical scheme, when the gas that the valve was revealed can lead to the fact harmful effects to the external world, the gas that reveals in the protection cavity should be as far as possible not to discharge to the external world, and the gas storage chamber in the gas storage box can save partly harmful gas and reduce the atmospheric pressure in the protection cavity, and when the protection box was unpacked apart with the gas storage box, the elasticity that the closing plate provided through the torsional spring was sealed with second vent to make the gas in the gas storage cavity can not reveal the external world.

Further setting: and a plurality of spherical protrusions are arranged on the side walls of the two sides in the sealing groove.

Through adopting above-mentioned technical scheme, spherical protruding embedding that can make the sealing washer more fasten has further promoted the leakproofness in the inside protection chamber of guard box in the seal groove.

Further setting: be provided with two fixed establishment along length direction in the guard box, fixed establishment be used for with lower box body is fixed on the pipeline, fixed establishment includes upper cover plate, lower apron, the upper cover plate is located the pipeline top, the apron is located down the pipeline below, the apron is kept away from down the both ends of pipeline respectively with the lateral wall of box body is connected down, the upper cover plate with the connection can be dismantled to apron down.

Through adopting above-mentioned technical scheme, when staff daily operation valve body, the last box body and the lower box body of guard box need be opened equally, and the box body is fixed on the pipeline down to upper cover plate and lower apron, and the staff only needs to dismantle and install last box body, has reduced staff's the operation degree of difficulty.

Further setting: an observation port is formed in the top wall of the upper box body, and glass is arranged in the observation port.

Through adopting above-mentioned technical scheme, staff's accessible viewing aperture directly sees the condition of protection intracavity portion.

Further setting: the alarm module comprises an indicator light and a loudspeaker.

Through adopting above-mentioned technical scheme, when alarm module during operation, the pilot lamp scintillation, the speaker sends out the police dispatch newspaper simultaneously for remind the staff.

Further setting: and a water absorption plate is arranged on the bottom wall of the protection cavity.

Through adopting above-mentioned technical scheme, when staff daily operation valve body, need open the last box body and the lower box body of guard box, will go up box body and box body equipment back protection intracavity portion again and probably have moist air, steam in the air probably leads to the valve body to rust ageing, and the board that absorbs water is used for absorbing the steam of protection intracavity and prevents that the valve body from rustting ageing.

By adopting the above technical scheme, to sum up, the utility model discloses following beneficial effect has: can detect revealing and send out the police dispatch newspaper of valve department gas, can absorb the steam around the valve body, prevent that valve body and steam contact from resulting in rusty ageing.

Drawings

FIG. 1 is a front view of the embodiment;

FIG. 2 is a left side view of the embodiment;

FIG. 3 is a top view of the embodiment;

FIG. 4 is a cross-sectional view taken along A-A of FIG. 3;

FIG. 5 is a schematic diagram of a pressure detection module;

FIG. 6 is an enlarged view of portion A of FIG. 4;

in the figure, 1, a protection box; 101. mounting holes; 102. a first fixing plate; 103. a second fixing plate; 104. a third fixing plate; 1011. a sealing groove; 11. an upper box body; 111. a controller; 112. an alarm module; 113. An upper semicircular groove; 114. glass; 12. a lower box body; 13. a protection cavity; 121. a battery; 122. a control module; 123. a water absorption plate; 124. an on-off valve; 125. a pressure detection module; 1251. a pressure measuring cylinder; 1252. an elastic film; 1253. a baffle plate; 1254. a pressure measuring rod; 1255. a compression spring; 1256. positioning blocks; 1257. a pressure sensor; 126. a first vent hole; 127. a lower semicircular groove; 2. a gas storage tank; 201. a fourth fixing plate; 21. a gas storage cavity; 211. a sealing plate; 212. a torsion spring; 22. a second vent hole; 31. a valve body; 32. a pipeline; 321. an upper cover plate; 322. a lower cover plate; 4. a seal ring; 5. and (4) a spherical bulge.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

a pipeline valve protection device is disclosed, as shown in FIG. 1, FIG. 2, FIG. 3 and FIG. 4, comprising a valve body 31 and pipelines 32 disposed at two ends of the valve body 31, a protection box 1 is disposed on the pipelines 32, a protection chamber 13 is disposed in the protection box 1, the valve body 31 is disposed in the protection chamber 13, two side walls of the protection box 1 are both provided with mounting holes 101 for the pipelines 32 to pass through, inner walls of the mounting holes 101 are attached to the pipelines 32 to make the protection chamber 13 in a sealed state, the protection box 1 comprises an upper box body 11 and a lower box body 12, two first fixing plates 102 are welded along the length direction of the upper box body 11 on two side walls of the upper box body 11 in the length direction, the first fixing plates 102 are disposed at one end of the upper box body 11 close to the lower box body 12, second fixing plates 103 are welded along the length direction of the lower box body 12 on two side walls of the lower box body 12 in the length direction, the second fixing plates 103 are disposed at one end of the upper box body 11 close to the lower box body 12, the first fixing plate 102 is opposite to the second fixing plate 103 and is connected with the second fixing plate 103 through a bolt, so that the upper box body 11 is detachably connected with the lower box body 12, and the mounting hole 101 comprises an upper semicircular groove 113 positioned on the upper box body 11 and a lower semicircular groove 127 positioned on the lower box body 12; an observation port is formed in the top wall of the upper box body 11, glass 114 is arranged in the observation port, and the glass 114 is bonded with the observation port through shadowless glue; a battery 121, a control module 122, a switch valve 124 and a pressure detection module 125 are arranged in the protection cavity 13, a controller 111 and an alarm module 112 are arranged outside the protection box 1, the battery 121 provides electric energy for the pressure detection module 125, the switch valve 124, the controller 111, the control module 122 and the alarm module 112, the controller 111, the switch valve 124, the alarm module 112 and the pressure detection module 125 are all electrically connected with the control module 122, and the alarm module 112 comprises an indicator light and a loudspeaker which are arranged outside the protection box 1; a first vent hole 126 is formed in the bottom wall of the lower box body 12, the first vent hole 126 is used for communicating the protection cavity 13 with the outside, the switch valve 124 is located above the first vent hole 126, and the opening and closing of the switch valve 124 are controlled by the controller 111; the bottom wall of the lower box body 12 is bonded with a water absorption plate 123 through glue, and the water absorption plate 123 is made of diatom ooze; two fixing mechanisms are arranged in the protection box 1 along the length direction, the two fixing mechanisms are respectively positioned on two sides of the valve body 31, each fixing mechanism comprises an upper cover plate 321 and a lower cover plate 322, the pipeline 32 is positioned between the upper cover plate 321 and the lower cover plate 322, two ends of the lower cover plate 322, which are far away from the pipeline 32, are respectively welded with the side wall of the lower box body 12, and the upper cover plate 321 is detachably connected with the lower cover plate 322 through bolts; the gas storage box 2 is arranged below the protection box 1, two third fixing plates 104 are welded on two side walls of the lower box body 12 in the length direction along the length direction of the lower box body 12, the third fixing plates 104 are positioned at one end, close to the gas storage box 2, of the lower box body 12, two fourth fixing plates 201 are welded on two side walls of the gas storage box 2 in the length direction along the length direction of the gas storage box 2, the fourth fixing plates 201 are positioned at one end, close to the lower box body 12, of the gas storage box 2, the third fixing plates 104 are opposite to the fourth fixing plates 201 and connected through bolts, and the protection box 1 is detachably connected with the gas storage box 2; gas storage chamber 21 has been seted up in the gas storage box 2, has seted up second air vent 22 intercommunication on the gas storage box 2, and gas storage chamber 21 and first air vent 126 pass through second air vent 22 intercommunication, and it has closing plate 211 to articulate through torsional spring 212 on the gas storage chamber 21 roof, and closing plate 211 is located second air vent 22 below.

As shown in fig. 5, the pressure detecting module 125 includes a pressure measuring cylinder 1251, one end of the pressure measuring cylinder 1251 is bonded to the side wall of the protection cavity 13 through glue, the other end of the pressure measuring cylinder 1251 is provided with an elastic film 1252, the elastic film 1252 is bonded to the pressure measuring cylinder 1251 through glue, one end of the pressure measuring cylinder 1251, which is close to the side wall of the protection cavity 13, is provided with a pressure sensor 1257 electrically connected to the control module 122, the pressure sensor 1257 is detachably connected to the pressure measuring cylinder 1251 through a bolt, the side wall of the pressure measuring cylinder 1251 is provided with a positioning block 1256, the positioning block 1256 is provided with a positioning hole along the axial direction of the pressure measuring cylinder 1251, a pressure measuring rod 1254 is slidably connected to the positioning hole, one end of the pressure measuring rod 1254, which is close to the elastic film 1252, is provided with a baffle 1253 abutting against the elastic film 1252, the other end of the pressure sensor 1257 faces the pressure measuring rod 1254, a compression spring 1255 is sleeved on the pressure measuring rod 1254, and the compression spring 1255 is located between the baffle 1253 and the positioning block 1256.

As shown in fig. 6, a sealing ring 4 is disposed in the mounting hole 101, a sealing groove 1011 for embedding the sealing ring 4 is formed in the inner wall of the mounting hole 101 along the circumferential direction, and a plurality of spherical protrusions 5 are disposed on the side walls of two sides inside the sealing groove 1011.

The working principle is as follows: when the protection box 1 is installed, firstly, the sealing ring 4 is sleeved on the pipeline 32, then the lower box body 12 is moved so that the inner wall of the lower semicircular groove 127 is attached to the pipeline 32, meanwhile, the sealing ring 4 is embedded into a sealing groove 1011 on the lower semicircular groove 127, at the moment, the lower cover plate 322 is positioned below the pipeline 32, the upper cover plate 321 is placed above the pipeline 32, the lower cover plate 322 is connected with the upper cover plate 321 through bolts, at the moment, the lower box body 12 is fixed on the pipeline 32, the upper box body 11 is moved so that the inner wall of the upper semicircular groove 113 is attached to the pipeline 32, at the same time, the sealing ring 4 is embedded into the sealing groove 1011 on the upper semicircular groove 113, the first fixing plate 102 and the second fixing plate 103 are connected through bolts, and the detachable connection of the upper box body 11 and the lower box body 12 is realized; the third fixing plate 104 and the fourth fixing plate 201 are connected through bolts, so that the protection box 1 and the gas storage box 2 can be detachably connected; when the valve body 31 leaks, the air pressure in the protection cavity 13 rises, the air pressure in the protection cavity 13 is greater than the air pressure in the pressure measuring cylinder 1251, at this time, the elastic film 1252 deforms towards one side of the baffle 1253, the baffle 1253 abutting against the elastic film 1252 drives the pressure measuring rod 1254 to move towards the pressure sensor 1257, so that one end, away from the baffle 1253, of the pressure measuring rod 1254 abuts against the pressure sensor 1257, at this time, the compression spring 1255 is in a compression state, when the pressure sensor 1257 detects that the pressure is abnormal, the alarm module 112 sends an alarm to the outside to remind a worker, at this time, the indicator light flickers, and the speaker sends an alarm; when the upper box body 11 is opened to make the air pressure in the protection cavity 13 equal to the air pressure in the pressure measuring cylinder 1251, the compression spring 1255 provides elastic force to make the baffle plate 1253 move towards one side of the elastic membrane 1252 to reset the elastic membrane 1252, the pressure measuring rod 1254 does not abut against the pressure sensor 1257, and the alarm module 112 stops working; when an alarm is received by a worker, the valve body 31 needs to be overhauled by opening the upper box body 11 and the lower box body 12 of the protection box 1, but the air pressure in the protection cavity 13 is high due to valve leakage, and a certain risk exists when the valve is directly opened, so that the switch valve 124 and the first vent hole 126 are arranged, the worker opens the switch valve 124 through the controller 111, so that the protection cavity 13 is communicated with the outside through the first vent hole 126, the pressure in the protection cavity 13 is reduced, but when the air leaked from the valve has a harmful effect on the outside, the air leaked from the protection cavity 13 is directly discharged to the outside as little as possible, the air storage cavity 21 in the air storage box 2 can store a part of harmful air and reduce the air pressure in the protection cavity 13, when the protection box 1 is detached from the air storage box 2, the second vent hole 22 is sealed by the sealing plate 211 through the elasticity provided by the torsion spring 212, so that the air in the air storage cavity 21 cannot be leaked to the outside, the staff can convey the gas storage tank 2 to a special discharge position for treatment, so that the influence on the environment is reduced; when the staff daily operation valve body 31, the last box body 11 and the lower box body 12 of protection case 1 need be opened equally, again with last box body 11 with box body 12 equipment down, there may be moist air in the protection chamber 13 inside, steam in the air can lead to valve body 31 to rust ageing, and the board 123 that absorbs water is used for absorbing the steam in the protection chamber 13 and prevents that valve body 31 from rusting ageing.

The above-described embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solution.

Claims

1. The utility model provides a pipeline valve protection device, includes valve body (31) and sets up pipeline (32) at valve body (31) both ends, its characterized in that: the pipeline protection device comprises a protection box (1), wherein a protection cavity (13) is formed in the protection box (1), a valve body (31) is arranged in the protection cavity (13), two side walls, which are opposite to the protection box (1), are respectively provided with a mounting hole (101) for a pipeline (32) to pass through, and the inner wall of each mounting hole (101) is attached to the pipeline (32); the protective box (1) comprises an upper box body (11) and a lower box body (12), the upper box body (11) and the lower box body (12) are detachably connected, and the mounting hole (101) comprises an upper semicircular groove (113) located on the upper box body (11) and a lower semicircular groove (127) located on the lower box body (12);

a battery (121), a control module (122) and a pressure detection module (125) are arranged in the protection cavity (13), and an alarm module (112) electrically connected with the control module (122) is arranged outside the protection box (1);

the pressure detection module (125) comprises a pressure measurement barrel (1251), one end of the pressure measurement barrel (1251) is connected with the side wall of the protection cavity (13), the other end of the pressure measurement barrel (1251) is provided with an elastic film (1252), one end of the pressure measurement barrel (1251) close to the side wall of the protection cavity (13) is provided with a pressure sensor (1257) electrically connected with the control module (122), the side wall inside the pressure measurement barrel (1251) is provided with a positioning block (1256), the positioning block (1256) is provided with a positioning hole along the axis direction of the pressure measurement barrel (1251), the positioning hole is internally connected with a pressure measurement rod (1254) in a sliding manner, one end of the pressure measurement rod (1254) close to the elastic film (1252) is provided with a baffle (1253) which is abutted against the elastic film (1252), the other end of the pressure sensor (1257) faces, the pressure measurement rod (1254) is sleeved with a compression spring (1255), the compression spring (1255) is positioned between the baffle plate (1253) and the positioning block (1256), when the air pressure in the protection cavity (13) is greater than the air pressure in the pressure measuring cylinder (1251), the elastic film (1252) deforms towards one side of the baffle plate (1253), the baffle plate (1253) which is abutted against the elastic film (1252) drives the pressure measuring rod (1254) to move towards the direction of the pressure sensor (1257), so that one end, away from the baffle plate (1253), of the pressure measuring rod (1254) is abutted against the pressure sensor (1257), and the compression spring (1255) is in a compressed state; when the upper box body (11) is opened so that the air pressure in the protection cavity (13) is equal to the air pressure in the pressure measuring cylinder (1251), the compression spring (1255) provides elastic force to enable the baffle plate (1253) to move towards one side of the elastic film (1252), and therefore the pressure measuring rod (1254) is not abutted to the pressure sensor (1257).

2. A pipeline valve protection device as claimed in claim 1, wherein: be provided with sealing washer (4) in mounting hole (101), go up semicircle groove (113) with all offer the confession along circumference on the inner wall of semicircle groove (127) down seal groove (1011) of sealing washer (4) embedding.

3. A pipeline valve protection device as claimed in claim 1, wherein: first air vent (126) have been seted up on lower box body (12) diapire, set up ooff valve (124) in protection chamber (13), ooff valve (124) are located first air vent (126) top, ooff valve (124) with control module (122) electric connection, protection case (1) outside is provided with and is used for control controller (111) of ooff valve (124), controller (111) with control module (122) electric connection.

4. A pipeline valve protection device as claimed in claim 3, wherein: the protection box comprises a protection box (1), and is characterized in that a gas storage box (2) is arranged below the protection box (1), the protection box (1) is detachably connected with the gas storage box (2), a gas storage cavity (21) is arranged inside the gas storage box (2), a second vent hole (22) opposite to the first vent hole (126) is formed in the gas storage box (2), a protection cavity (13) is formed in the gas storage cavity (21) and is communicated with the second vent hole (22) through the first vent hole (126), a sealing plate (211) is hinged to the top wall of the gas storage cavity (21), the sealing plate (211) is located below the second vent hole (22), a torsion spring (212) is arranged at the hinged position of the sealing plate (211), one end of the torsion spring (212) is connected with the sealing plate (211), and the other end of the torsion spring is connected with the top wall of the gas storage cavity (21).

5. A pipeline valve protection device as claimed in claim 2, wherein: and a plurality of spherical protrusions (5) are arranged on the side walls of the two sides in the sealing groove (1011).

6. A pipeline valve protection device as claimed in claim 1, wherein: be provided with two fixed establishment along length direction in guard box (1), fixed establishment be used for with box body (12) are fixed down on pipeline (32), fixed establishment includes upper cover plate (321), lower cover plate (322), upper cover plate (321) are located pipeline (32) top, lower cover plate (322) are located pipeline (32) below, lower cover plate (322) are kept away from the both ends of pipeline (32) respectively with the lateral wall of lower box body (12) is connected, upper cover plate (321) with lower cover plate (322) can dismantle the connection.

7. A pipeline valve protection device as claimed in claim 1, wherein: an observation port is formed in the top wall of the upper box body (11), and glass (114) is arranged in the observation port.

8. A pipeline valve protection device as claimed in claim 1, wherein: the alarm module (112) includes an indicator light and a speaker.

9. A pipeline valve protection device as claimed in claim 1, wherein: and a water absorption plate (123) is arranged on the bottom wall of the protection cavity.