CN217583306U - Built-in gas self-discharging pressure relief valve for discharging pipeline system - Google Patents
Built-in gas self-discharging pressure relief valve for discharging pipeline system Download PDFInfo
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- CN217583306U CN217583306U CN202221357578.9U CN202221357578U CN217583306U CN 217583306 U CN217583306 U CN 217583306U CN 202221357578 U CN202221357578 U CN 202221357578U CN 217583306 U CN217583306 U CN 217583306U
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Abstract
The utility model belongs to the field of machinery, concretely relates to discharge pipe-line system is with built-in gaseous relief valve of discharging by oneself, including the valve gap, the cavity upper portion of valve gap sets up first pressure regulating shutoff subassembly, the cavity lower part sets up second pressure regulating shutoff subassembly, the valve body is worn to establish at the cavity middle part, the valve body includes interior passageway, connect the liquid passageway, back pressure valve drain pan and relief valve drain pan, interior passageway is located the cavity middle part of valve gap, connect the liquid passageway, back pressure valve drain pan and relief valve drain pan stretch out with interior access connection and from the valve gap respectively, interior passageway has last port and lower port, first pressure regulating shutoff subassembly is used for controlling go up port and relief valve drain pan and switch on or not, second pressure regulating shutoff subassembly is used for controlling down port and back pressure valve drain pan and switches on or not. The utility model discloses set up valve gap, valve body, first pressure regulating shutoff subassembly, second pressure regulating shutoff subassembly isotructure, integrated as an organic whole with the function of relief valve and back pressure valve, had simple structure, advantage with low costs.
Description
Technical Field
The utility model belongs to the field of machinery, concretely relates to discharge pipeline system is with built-in gaseous relief valve that discharges by oneself.
Background
The pressure relief valve is used for preventing the overpressure of the pipeline, and the conventional pressure relief valve structure is shown in a patent with the publication number of CN212177975U, and the conventional pressure relief valve is single in function and has no pressure regulating function.
In view of the above problems, the applicant proposes a built-in gas self-discharging pressure relief valve for a discharge pipeline system, which has the functions of both a pressure relief valve and a back pressure valve through a structural design.
SUMMERY OF THE UTILITY MODEL
In order to make up the deficiency of the prior art, the utility model provides a discharge pipeline system is with built-in gaseous automatic discharge relief valve's technical scheme.
A built-in gas self-discharging pressure release valve for a discharging pipeline system comprises a valve cover, wherein a first pressure-regulating plugging component is arranged on the upper portion of a cavity of the valve cover, a second pressure-regulating plugging component is arranged on the lower portion of the cavity, a valve body penetrates through the middle of the cavity, the valve body comprises an inner channel, a liquid receiving channel, a back pressure valve liquid outlet channel and a pressure release valve liquid outlet channel, the inner channel is located in the middle of the cavity of the valve cover, the liquid receiving channel, the back pressure valve liquid outlet channel and the pressure release valve liquid outlet channel are respectively connected with the inner channel and extend out of the valve cover, the inner channel is provided with an upper port and a lower port, the first pressure-regulating plugging component is used for controlling whether the upper port is communicated with the pressure release valve liquid outlet channel, and the second pressure-regulating plugging component is used for controlling whether the lower port is communicated with the back pressure valve liquid outlet channel.
Furthermore, the valve body further comprises a back pressure valve liquid passing cavity, the back pressure valve liquid outlet channel is connected with the lower port of the inner channel through the back pressure valve liquid passing cavity, and the inner wall of the upper end of the back pressure valve liquid passing cavity is of an inclined structure.
Further, the valve body further comprises a pressure release valve liquid passing cavity, the pressure release valve liquid outlet channel passes through the pressure release valve liquid passing cavity to be connected with the upper end opening of the inner channel, and the inner wall of the lower end of the pressure release valve liquid passing cavity is of an inclined structure.
Further, the valve gap upper end sets up the first installation cavity that is used for installing first pressure regulating shutoff subassembly, first pressure regulating shutoff subassembly includes first diaphragm, first spring and the first adjusting bolt that sets up from bottom to top, first diaphragm is connected between the last port of valve gap and inner channel for the port is gone up in the shutoff, first pressure regulating bolt spiro union is in first installation cavity, first spring coupling is between first pressure regulating bolt and first diaphragm for compress tightly first diaphragm.
Further, first pressure regulating shutoff subassembly still includes first compound bearing and first spring holder, first compound bearing cooperation is installed in first installation cavity, first spring holder slides and pegs graft in first compound bearing, and it is connected between first spring and first diaphragm for install first spring.
Further, the structure of the second pressure regulating plugging component is the same as that of the first pressure regulating plugging component.
Further, the diameter of the upper port of the inner channel is smaller than the diameter of the lower port.
Further, the liquid receiving channel is connected with a first liquid receiving pipe assembly, and the first liquid receiving pipe assembly comprises a first liquid receiving pipe sleeve abutting against the liquid receiving channel and a first liquid receiving pipe cap which is in threaded connection with the liquid receiving channel and clamps the first liquid receiving pipe sleeve on the liquid receiving channel.
Furthermore, the backpressure valve liquid outlet channel is connected with a second pipe connecting component, and the second pipe connecting component comprises a second pipe connecting sleeve which is abutted against the backpressure valve liquid outlet channel and a second pipe connecting cap which is in threaded connection with the backpressure valve liquid outlet channel and clamps the second pipe connecting sleeve on the backpressure valve liquid outlet channel.
Furthermore, the relief valve liquid outlet channel is connected with a third pipe connecting assembly, and the third pipe connecting assembly comprises a third pipe connecting sleeve abutting against the relief valve liquid outlet channel and a third pipe connecting cap which is in threaded connection with the relief valve liquid outlet channel and clamps the third pipe connecting sleeve on the relief valve liquid outlet channel.
Compared with the prior art, the utility model discloses set up valve gap, valve body, first pressure regulating shutoff subassembly, second pressure regulating shutoff subassembly isotructure, integrated as an organic whole with the function of relief valve and back pressure valve, had simple structure, with low costs, simple to operate's advantage.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a second schematic structural diagram of the present invention;
FIG. 3 isbase:Sub>A sectional view taken along line A-A of FIG. 2;
FIG. 4 is a third schematic view of the present invention;
fig. 5 is a sectional view taken along line B-B in fig. 2.
Detailed Description
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The present invention will be further explained with reference to the accompanying drawings.
Referring to fig. 1-5, a built-in gas self-discharging pressure relief valve for a discharging pipeline system comprises a valve cover 1, a first pressure regulating plugging component is arranged at the upper part of a cavity of the valve cover 1, a second pressure regulating plugging component is arranged at the lower part of the cavity, a valve body 2 is arranged in the middle of the cavity in a penetrating manner, the valve body 2 comprises an inner channel 200, a liquid receiving channel 201, a back pressure valve liquid outlet channel 202 and a pressure relief valve liquid outlet channel 203, the inner channel 200 is located at the middle part of the cavity of the valve cover 1, the liquid receiving channel 201, the back pressure valve liquid outlet channel 202 and the pressure relief valve liquid outlet channel 203 are respectively connected with the inner channel 200 and extend out of the valve cover 1, the inner channel 200 is provided with an upper port and a lower port, the first pressure regulating plugging component is used for controlling whether the upper port is communicated with the pressure relief valve liquid outlet channel 203, and the second pressure regulating plugging component is used for controlling whether the lower port is communicated with the back pressure valve liquid outlet channel 202.
The liquid receiving channel 201 is used for feeding liquid, when the liquid pressure is in a normal range, the liquid outlet channel 202 of the liquid backpressure valve discharges liquid, and when the liquid pressure exceeds a threshold value, the liquid outlet channel 203 of the pressure release valve discharges liquid.
It can be understood, in above-mentioned technical scheme, the utility model discloses set up valve gap 1, valve body 2, first pressure regulating shutoff subassembly, second pressure regulating shutoff subassembly isotructure, integrated as an organic whole with the function of relief valve and back pressure valve, have simple structure, with low costs, simple to operate's advantage.
Continuing to refer to fig. 3, the valve body 2 further comprises a back pressure valve liquid passing cavity 204 and a pressure release valve liquid passing cavity 20, the back pressure valve liquid outlet channel 202 is connected with the lower port of the inner channel 200 through the back pressure valve liquid passing cavity 204, the pressure release valve liquid outlet channel 203 is connected with the upper port of the inner channel 200 through the pressure release valve liquid passing cavity 205, the inner wall of the upper end of the back pressure valve liquid passing cavity 204 and the inner wall of the lower end of the pressure release valve liquid passing cavity 205 are both in an inclined structure, and the inclined directions of the two are the same.
It can be appreciated that such a structural design has the following advantages: the cavity adopts an inclined plane flow guide structure, so that the fluid flux is greatly increased, the fluid circumfluence is reduced, and the vibration is reduced.
Continuing to refer to fig. 3, a first installation cavity 100 for installing a first pressure regulating plugging assembly is arranged at the upper end of the valve cap 1, the first pressure regulating plugging assembly comprises a first diaphragm 3, a first spring 4, a first adjusting bolt 5, a first composite bearing 6 and a first spring seat 7 which are arranged from bottom to top, the first diaphragm 3 is connected between the valve cap 1 and an upper port of the inner channel 200 and used for plugging the upper port, the first pressure regulating bolt 5 is screwed in the first installation cavity 100, the outer end face of the first adjusting bolt 5 is provided with a straight groove which is convenient for rotation operation, the first spring 4 is connected between the first pressure regulating bolt 5 and the first diaphragm 3 and used for compressing the first diaphragm 3, the first composite bearing 6 is installed in the first installation cavity 100 in a matched mode, and the first spring seat 7 is inserted in the first composite bearing 6 in a sliding mode and connected between the first spring 4 and the first diaphragm 3 and used for installing the first spring 4.
First pressure regulating shutoff subassembly adjusts the pretightning force that first spring 4 gave first spring holder 7 through rotatory first pressure regulating bolt 5, and then realizes pressure control.
It can be understood that the combination of the first spring seat 7 and the first compound bearing 6 can ensure that the first spring seat 7 is smoothly opened and closed, and the situation of pipeline vibration caused by shell clamping cannot occur.
Further, the structure of second pressure regulating shutoff subassembly is the same with the structure of first pressure regulating shutoff subassembly, and it includes structures such as second diaphragm, second spring, second adjusting bolt, the compound bearing of second, second spring holder, specifically can refer to first pressure regulating shutoff subassembly, no longer gives details.
It should be noted that, first, the pressure regulating plugging assembly of the present invention may adopt the above structure, and in addition, may also adopt other structures, for example, adopt the corresponding structure in patent CN 212177975U. Secondly, the structure of first pressure regulating shutoff subassembly can be different with the structure of second pressure regulating shutoff subassembly.
With continued reference to fig. 3, the diameter of the upper port of the inner passage 200 is smaller than the diameter of the lower port.
It will be appreciated that this arrangement provides a greater regulated pressure at one end of the pressure relief valve for the same spring preload.
With continued reference to fig. 3 and 5, the liquid receiving channel 201 is connected to a first pipe connecting assembly, the first pipe connecting assembly comprises a first pipe connecting sleeve 8 abutting against the liquid receiving channel 201 and a first pipe connecting cap 9 screwed with the liquid receiving channel 201 and clamping the first pipe connecting sleeve 8 to the liquid receiving channel 201, and a first sealing ring is arranged between the first pipe connecting sleeve 8 and the liquid receiving channel 201. The backpressure valve liquid outlet channel 202 is connected with a second connecting pipe assembly, the second connecting pipe assembly comprises a second connecting pipe sleeve 10 abutted against the backpressure valve liquid outlet channel 202 and a second connecting pipe cap 11 in threaded connection with the backpressure valve liquid outlet channel 202 and used for clamping the second connecting pipe sleeve 10 on the backpressure valve liquid outlet channel 202, and a second sealing ring is arranged between the second connecting pipe sleeve 10 and the backpressure valve liquid outlet channel 202. The pressure relief valve liquid outlet channel 203 is connected with a third pipe connecting component, the third pipe connecting component comprises a third pipe connecting sleeve 12 abutted against the pressure relief valve liquid outlet channel 203 and a third pipe connecting cap 13 screwed with the pressure relief valve liquid outlet channel 203 and clamping the third pipe connecting sleeve 12 on the pressure relief valve liquid outlet channel 203, and a third sealing ring is arranged between the third pipe connecting sleeve 12 and the pressure relief valve liquid outlet channel 203.
The utility model discloses a theory of operation: adjusting the first pressure regulating plugging component and the second pressure regulating plugging component, setting the conduction pressure of the first pressure regulating plugging component to be larger than the conduction pressure of the second pressure regulating plugging component, then feeding liquid into the liquid receiving channel 201, when the liquid pressure is larger than the conduction pressure of the second pressure regulating plugging component, pushing a second diaphragm of the second pressure regulating plugging component open, allowing the liquid to flow away through the liquid passing cavity 204 of the backpressure valve, the liquid outlet channel 202 of the backpressure valve and the second pipe connecting sleeve 10 in sequence, when the liquid pressure exceeds the conduction pressure of the first pressure regulating plugging component, indicating that the liquid is in overpressure, pushing a first diaphragm 3 of the first pressure regulating plugging component open at the moment, allowing a part of the liquid to flow away through the liquid passing cavity 205 of the pressure relief valve, the liquid outlet channel 203 of the pressure relief valve and the third pipe connecting sleeve 12, and reducing the liquid pressure.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. The built-in gas self-discharging pressure relief valve for the discharging pipeline system is characterized by comprising a valve cover (1), wherein a first pressure regulating plugging component is arranged at the upper part of a cavity of the valve cover (1), a second pressure regulating plugging component is arranged at the lower part of the cavity, a valve body (2) penetrates through the middle of the cavity, the valve body (2) comprises an inner channel (200), a liquid receiving channel (201), a back pressure valve liquid outlet channel (202) and a pressure relief valve liquid outlet channel (203), the inner channel (200) is located at the middle part of the cavity of the valve cover (1), the liquid receiving channel (201), the back pressure valve liquid outlet channel (202) and the pressure relief valve liquid outlet channel (203) are respectively connected with the inner channel (200) and extend out of the valve cover (1), the inner channel (200) is provided with an upper port and a lower port, the first pressure regulating plugging component is used for controlling whether the upper port is communicated with the pressure relief valve liquid outlet channel (203), and the second pressure regulating plugging component is used for controlling whether the lower port is communicated with the back pressure valve liquid outlet channel (202).
2. The built-in gas self-discharging pressure relief valve for the discharging pipeline system according to claim 1, wherein the valve body (2) further comprises a back pressure valve liquid passing cavity (204), the back pressure valve liquid outlet channel (202) is connected with the lower port of the inner channel (200) through the back pressure valve liquid passing cavity (204), and the inner wall of the upper end of the back pressure valve liquid passing cavity (204) is of an inclined structure.
3. The built-in gas self-discharging pressure relief valve for the discharging pipeline system according to claim 1, wherein the valve body (2) further comprises a pressure relief valve liquid passing cavity (205), the pressure relief valve liquid outlet channel (203) is connected with the upper port of the inner channel (200) through the pressure relief valve liquid passing cavity (205), and the inner wall of the lower end of the pressure relief valve liquid passing cavity (205) is of an inclined structure.
4. The built-in gas self-discharging pressure relief valve for the discharge pipeline system according to claim 1 is characterized in that a first mounting cavity (100) for mounting a first pressure regulating plugging component is arranged at the upper end of the valve cover (1), the first pressure regulating plugging component comprises a first diaphragm (3), a first spring (4) and a first pressure regulating bolt (5) which are arranged from bottom to top, the first diaphragm (3) is connected between the upper ports of the valve cover (1) and the inner channel (200) and used for plugging the upper ports, the first pressure regulating bolt (5) is in threaded connection with the first mounting cavity (100), and the first spring (4) is connected between the first pressure regulating bolt (5) and the first diaphragm (3) and used for compressing the first diaphragm (3).
5. The built-in gas self-discharging pressure relief valve for the discharging pipeline system according to claim 4, wherein the first pressure regulating and blocking assembly further comprises a first compound bearing (6) and a first spring seat (7), the first compound bearing (6) is installed in the first installation cavity (100) in a matching manner, and the first spring seat (7) is inserted in the first compound bearing (6) in a sliding manner and connected between the first spring (4) and the first diaphragm (3) for installing the first spring (4).
6. The built-in gas self-discharging pressure relief valve for the discharging pipeline system according to any one of claims 1 to 5, wherein the structure of the second pressure regulating plugging component is the same as that of the first pressure regulating plugging component.
7. The self-venting pressure relief valve for exhaust pipe system of any one of claims 1-5 wherein the diameter of the upper port of said internal passage (200) is smaller than the diameter of the lower port.
8. A self-venting pressure relief valve for built-in gas in a vent line system according to any of claims 1-5, wherein said liquid receiving channel (201) is connected to a first connector assembly comprising a first connector sleeve (8) abutting against the liquid receiving channel (201) and a first connector cap (9) threadedly engaged with the liquid receiving channel (201) and clamping the first connector sleeve (8) to the liquid receiving channel (201).
9. The built-in gas self-discharge pressure relief valve for the discharge pipeline system according to any one of claims 1 to 5, characterized in that the backpressure valve outlet channel (202) is connected with a second connecting pipe assembly, and the second connecting pipe assembly comprises a second connecting pipe sleeve (10) abutting against the backpressure valve outlet channel (202) and a second connecting pipe cap (11) which is in threaded connection with the backpressure valve outlet channel (202) and clamps the second connecting pipe sleeve (10) to the backpressure valve outlet channel (202).
10. The self-discharging pressure relief valve for built-in gas used in a discharge pipeline system according to any one of claims 1 to 5, wherein the pressure relief valve liquid outlet channel (203) is connected with a third connecting pipe assembly, and the third connecting pipe assembly comprises a third connecting pipe sleeve (12) abutting against the pressure relief valve liquid outlet channel (203) and a third connecting pipe cap (13) which is in threaded connection with the pressure relief valve liquid outlet channel (203) and clamps the third connecting pipe sleeve (12) on the pressure relief valve liquid outlet channel (203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221357578.9U CN217583306U (en) | 2022-06-01 | 2022-06-01 | Built-in gas self-discharging pressure relief valve for discharging pipeline system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221357578.9U CN217583306U (en) | 2022-06-01 | 2022-06-01 | Built-in gas self-discharging pressure relief valve for discharging pipeline system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217583306U true CN217583306U (en) | 2022-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221357578.9U Active CN217583306U (en) | 2022-06-01 | 2022-06-01 | Built-in gas self-discharging pressure relief valve for discharging pipeline system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217583306U (en) |
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2022
- 2022-06-01 CN CN202221357578.9U patent/CN217583306U/en active Active
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