CN217634074U

CN217634074U - Safe pressure relief regulating valve

Info

Publication number: CN217634074U
Application number: CN202221297079.5U
Authority: CN
Inventors: 代光亮; 周云; 王勇昌; 夏尚森
Original assignee: Chongqing Yunlu Valves Manufacturing Co ltd
Current assignee: Chongqing Yunlu Valves Manufacturing Co ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-10-21
Anticipated expiration: 2032-05-26

Abstract

The utility model relates to a relevant technical field of governing valve specifically is a safe pressure release governing valve, including intake pipe, outlet duct and communicating pipe, come to carry out automatic pressure release regulation with the regulating plate cooperation to the communicating pipe inner chamber through setting up automatic pressure release subassembly in the communicating pipe, adjust the processing through setting up function case, adjusting part, support cooperation such as pole and pressure detector and carry out pressure detection back regulation to the communicating pipe inner chamber for automatic pressure release subassembly still can carry out the pressure release to communicating pipe when the trouble and handle, through setting up the pressure release import, the pressure release export makes the regulating plate when removing with cooperation such as pressure release pipe, the gas flow uniformity between communicating pipe and outlet duct is strong, the pressure release effect of regulating plate has been improved, the result of use is better.

Description

Safe pressure relief regulating valve

Technical Field

The utility model relates to a governing valve correlation technique field specifically is a safe pressure release governing valve.

Background

The safety relief valve is a special valve, wherein the opening and closing part is in a normally closed state under the action of external force, and when the pressure of a medium in equipment or a pipeline is increased to exceed a specified value, the medium is discharged to the outside of a system to prevent the pressure of the medium in the pipeline or the equipment from exceeding the specified value. The safety valve is mainly used for boiler, pressure container and pipeline, and its control pressure is not greater than specified value, so that it can play important role in protecting personal safety and equipment operation.

The current safety relief valve generally is automatic pressure release, when the safety relief valve passes through sensor perception pressure superscript, can open automatically and carry out the pressure release, this kind of safety relief valve degree of automation is higher, application range is comparatively extensive, the most single structure of current safety relief valve and automatic pressure release only rely on a pressure release structure or device, when this pressure release structure or device broke down, the pressure release effect of whole relief valve is difficult to obtain the guarantee, consequently, propose a safety relief governing valve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a safe pressure release governing valve to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a safe pressure release governing valve, includes intake pipe and outlet duct, it is provided with communicating pipe to connect jointly between intake pipe and the outlet duct, intake pipe and outlet duct keep away from one end each other and are provided with first flange and second flange respectively, communicating pipe inner chamber middle part is provided with the regulating plate, communicating pipe one end inner chamber is provided with automatic pressure release subassembly, automatic pressure release subassembly with regulating plate one end links to each other, communicating pipe other end lateral part is connected and is provided with the function case, be provided with adjusting part in the function case, the function case with the common cooperation is provided with to the pole in the intake pipe, support pole one end extend to in the function case and with adjusting part cooperation is connected, support the pole other end extend to in the communicating pipe and with the regulating plate other end offsets, the communicating pipe inner wall is provided with pressure detector.

As a further aspect of the present invention: the adjusting plate comprises a first disc plate and a second disc plate, the first disc plate is connected with the second disc plate through a connecting plate, the size of the first disc plate and the size of the second disc plate are matched with the inner diameter of the communicating pipe, and the distance between the first disc plate and the second disc plate corresponds to the inner diameter of the air outlet pipe.

As a further aspect of the present invention: the automatic pressure relief assembly comprises an elastic piece arranged inside one end of the communicating pipe and a positioning rod arranged at the end part of the communicating pipe in an inserting mode, the elastic piece is arranged on the periphery of the positioning rod, one end of the elastic piece abuts against the second disc plate, and the other end of the elastic piece is connected with the inner wall of the end part of the communicating pipe.

As a further aspect of the present invention: the outer wall of the position, close to the air outlet pipe, of the communicating pipe is provided with a pressure discharge inlet, the outer wall of the air outlet pipe is provided with a pressure discharge outlet, the outer wall of the air outlet pipe is connected with a pressure discharge pipe, and two ends of the pressure discharge pipe are respectively communicated with the pressure discharge inlet and the pressure discharge outlet.

As a further aspect of the present invention: the adjusting component comprises a threaded rod arranged in the function box, a threaded sleeve arranged on the threaded rod in a matching mode and a driving piece arranged on the outer wall of the function box, the driving piece is connected with one end of the threaded rod in a matching mode, and the outer wall of the threaded sleeve is connected with one end of the supporting rod through a connecting rod.

Compared with the prior art, the beneficial effects of the utility model are that: the device comes to carry out automatic pressure release regulation processing with the regulating plate cooperation to the communicating pipe inner chamber through setting up automatic pressure release subassembly, through setting up adjusting part, support cooperation such as pole and pressure detector to carry out pressure detection postconditioning processing to the communicating pipe inner chamber, make automatic pressure release subassembly still can carry out pressure release processing communicating pipe when the trouble, import through setting up the row pressure, the cooperation such as row pressure export and row pressure pipe makes the regulating plate when removing, the gas circulation homogeneity between communicating pipe and outlet duct is strong, the pressure release effect of regulating plate has been improved, whole regulating valve simple structure and pressure release are effectual, stronger practicality has.

Drawings

Fig. 1 is a schematic view of the overall structure of the embodiment of the present invention.

Fig. 2 is a schematic structural view of an adjusting plate according to an embodiment of the present invention.

Fig. 3 is a schematic view of the connection relationship between the support rod and the threaded sleeve in the embodiment of the present invention.

Wherein: the device comprises an air inlet pipe-1, a first connecting flange-2, an air outlet pipe-3, a second connecting flange-4, a communicating pipe-5, an adjusting plate-6, a positioning rod-7, an elastic piece-8, a pressure discharge inlet-9, a pressure discharge pipe-10, a pressure discharge outlet-11, a function box-12, a pressure detector-13, a control box-14, a counter rod-15, a connecting rod-16, a threaded sleeve-17, a first sealing sleeve-18, a second sealing sleeve-19, a threaded rod-20, a bearing sleeve-21, a driving piece-22, a first disc plate-23, a connecting plate-24, a second disc plate-25 and a sealing plate-26.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Example one

Referring to fig. 1, a safety pressure relief regulating valve includes an air inlet pipe 1 and an air outlet pipe 3, a communicating pipe 5 is jointly connected and arranged between the air inlet pipe 1 and the air outlet pipe 3, one end of the air inlet pipe 1, which is far away from the air outlet pipe 3, is provided with a first connecting flange 2 and a second connecting flange 4, the middle part of an inner cavity of the communicating pipe 5 is provided with a regulating plate 6, an inner cavity of one end of the communicating pipe 5 is provided with an automatic pressure relief assembly, the automatic pressure relief assembly is connected with one end of the regulating plate 6, the lateral part of the other end of the communicating pipe 5 is connected and provided with a functional box 12, an adjusting assembly is arranged in the functional box 12, the functional box 12 and the air inlet pipe 1 are jointly matched and provided with a resisting rod 15, one end of the resisting rod 15 extends into the functional box 12 and is matched and connected with the adjusting assembly, the other end of the resisting rod 15 extends into the communicating pipe 5 and is abutted against the other end of the regulating plate 6, the inner wall of the communicating pipe 5 is provided with a pressure detector 13, a control box 14 is arranged in the functional box 12, the control box 14 is linearly connected with the functional box 12, and the control box 14 has the function of supplying power and controlling the start and stop of each functional box 12.

Referring to fig. 1 and 2, the adjusting plate 6 includes a first disc plate 23 and a second disc plate 25, the first disc plate 23 is connected to the second disc plate 25 through a connecting plate 24, the size of the first disc plate 23 and the size of the second disc plate 25 are both adapted to the inner diameter of the communicating pipe 5, and the distance between the first disc plate 23 and the second disc plate 25 corresponds to the inner diameter of the air outlet pipe 3.

Referring to fig. 1, the automatic pressure relief assembly includes an elastic member 8 disposed inside one end of the communication pipe 5 and a positioning rod 7 inserted into an end of the communication pipe 5, the elastic member 8 is disposed on a periphery of the positioning rod 7, one end of the elastic member 8 abuts against the second disc plate 25, the other end of the elastic member 8 is connected to an inner wall of the end of the communication pipe 5, and the positioning rod 7 is configured to ensure that the adjustment plate 6 moves only in a length direction of the communication pipe 5.

Example two

Referring to fig. 1, on the basis of the first embodiment, the communicating pipe 5 is close to the outer wall of the position of the outlet pipe 3, the pressure discharge inlet 9 is arranged on the outer wall of the outlet pipe 3, the pressure discharge outlet 11 is arranged on the outer wall of the outlet pipe 3, the pressure discharge pipe is connected to the outer wall of the outlet pipe 3, two ends of the pressure discharge pipe are respectively communicated with the pressure discharge inlet 9 and the pressure discharge outlet 11, in the first embodiment, the sealing plate 26 is arranged on the side portion of the second disc plate 25, the adjusting plate 6 is arranged at the position of the pipe orifice of the outlet pipe 3 under the condition that the elastic piece 8 is not extruded, and the sealing plate 26 plays a role in sealing the pressure discharge inlet 9.

Referring to fig. 1, the adjusting assembly includes a threaded rod 20 disposed in the function box 12, a threaded sleeve 17 disposed on the threaded rod 20 in a matching manner, and a driving member 22 disposed on an outer wall of the function box 12, the driving member 22 is connected to one end of the threaded rod 20 in a matching manner, one end of the threaded rod 20 is disposed in the function box 12 in a matching manner through a bearing sleeve 21, an outer wall of the threaded sleeve 17 is connected to one end of the abutting rod 15 through a connecting rod 16, the abutting rod 15 is a similar U-shaped rod with a longer end and a shorter end, a first sealing sleeve 18 is disposed at a connection position of the abutting rod 15 and the air inlet pipe 1, and a second sealing sleeve 19 is disposed at a connection position of the abutting rod 15 and the function box 12.

The working principle of the device is that when the device is used, gas enters from the gas inlet pipe 1, passes through the communicating pipe 5 and then is discharged from the gas outlet pipe 3, the first disc plate 23 is extruded by the gas to drive the second disc plate 25 to extrude the elastic part 8 to adjust the position of the leg adjusting plate 6, the size of the communicating area of the side part of the communicating pipe 5 and the pipe orifice of the gas outlet pipe 3 is adjusted by the first disc plate 23 to adjust the pressure of the inner cavity of the communicating pipe 5, the pressure of the inner cavity of the communicating pipe 5 is detected by the pressure detector 13, the driving part 22 is controlled by the matching controller to be started to drive the threaded rod 20 to rotate, the threaded sleeve 17 is driven to move, the abutting rod 15 is driven to move, the end part of the abutting rod 15 extrudes the first disc plate 23 to adjust the size of the communicating area between the communicating pipe 5 and the gas outlet pipe 3 when the abutting rod 15 moves, part of the gas enters the pressure discharging pipe through the pressure discharging inlet 9 and then is discharged into the gas outlet pipe 11 to the gas outlet pipe 3 when the adjusting plate is adjusted, and therefore the adjustment of the adjusting plate 6 is buffered and the gas flow equalizing treatment is carried out.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a safe pressure release governing valve, includes intake pipe and outlet duct, its characterized in that, it is provided with communicating pipe to be connected jointly between intake pipe and the outlet duct, the intake pipe keeps away from one end each other with the outlet duct and is provided with first flange and second flange respectively, communicating pipe cavity middle part is provided with the regulating plate, communicating pipe one end inner chamber is provided with automatic pressure release subassembly, automatic pressure release subassembly with regulating plate one end links to each other, communicating pipe other end lateral part is connected and is provided with the function case, be provided with adjusting part in the function case, the function case with cooperate jointly in the intake pipe and be provided with the pole of supporting, support pole one end extend to in the function case and with adjusting part cooperation is connected, support the pole other end extend to in the communicating pipe and with the regulating plate other end offsets, the communicating pipe inner wall is provided with pressure detector.

2. The safety pressure relief regulating valve according to claim 1, wherein the regulating plate comprises a first disc plate and a second disc plate, the first disc plate and the second disc plate are connected through a connecting plate, the size of the first disc plate and the size of the second disc plate are both matched with the inner diameter of the communicating pipe, and the distance between the first disc plate and the second disc plate corresponds to the inner diameter of the air outlet pipe.

3. The safety pressure relief regulating valve according to claim 2, wherein the automatic pressure relief assembly comprises an elastic member arranged inside one end of the communicating pipe and a positioning rod inserted into the end of the communicating pipe, the elastic member is arranged on the periphery of the positioning rod, one end of the elastic member abuts against the second disc plate, and the other end of the elastic member is connected with the inner wall of the end of the communicating pipe.

4. The safety pressure relief regulating valve according to claim 1, wherein the communicating pipe is provided with a pressure relief inlet on the outer wall at a position close to the outlet pipe, the outlet pipe is provided with a pressure relief outlet on the outer wall, the outlet pipe is connected with a pressure relief pipe, and two ends of the pressure relief pipe are respectively communicated with the pressure relief inlet and the pressure relief outlet.

5. The safety pressure relief regulating valve according to claim 3, wherein the regulating assembly comprises a threaded rod arranged in the function box, a threaded sleeve arranged on the threaded rod in a matching manner, and a driving piece arranged on the outer wall of the function box, the driving piece is connected with one end of the threaded rod in a matching manner, and the outer wall of the threaded sleeve is connected with one end of the abutting rod through a connecting rod.