CN216479128U - Adjustable exhaust pressure relief device - Google Patents
Adjustable exhaust pressure relief device Download PDFInfo
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- CN216479128U CN216479128U CN202122213944.5U CN202122213944U CN216479128U CN 216479128 U CN216479128 U CN 216479128U CN 202122213944 U CN202122213944 U CN 202122213944U CN 216479128 U CN216479128 U CN 216479128U
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- valve core
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- screw rod
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- 238000007789 sealing Methods 0.000 claims description 21
- 230000003287 optical effect Effects 0.000 claims description 13
- 230000008676 import Effects 0.000 abstract description 12
- 230000006835 compression Effects 0.000 abstract description 7
- 238000007906 compression Methods 0.000 abstract description 7
- 238000009434 installation Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 description 16
- 238000001816 cooling Methods 0.000 description 14
- 230000008859 change Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000007710 freezing Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000013022 venting Methods 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 230000002528 anti-freeze Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of pressure relief devices, in particular to an adjustable exhaust pressure relief device, which comprises a valve body, a screw rod, a valve core cap, a valve core rod, a spring, a pressure relief valve and a pressure relief valve, wherein an inlet and a screw rod mounting hole are coaxially arranged on the valve body; lean on the case cap to the import through the spring to making the spring be in when compression state when the screw rod is rotatory, the spring is opened by compression import and is switched on import and row's mouth when the pressure value exceeds spring pressure, realizes the effect of relief valve to this is integrated together with discharge valve and relief valve, and only has import and two interfaces of row's mouth, has simplified the connection installation complexity of device, can simplify the pressure release pressure adjustment process through helical screw, improves work efficiency, reduces and makes the cost.
Description
Technical Field
The utility model relates to the technical field of pressure relief devices, in particular to an adjustable exhaust pressure relief device.
Background
With the increasing application of high-power radar systems in airplanes, liquid cooling equipment is also widely applied to airplanes, as airplanes have various flight attitudes in the air, in order to prevent anti-freezing liquid in the liquid cooling equipment from splashing out, the liquid cooling equipment generally adopts a closed structure, the air pressure and temperature in the high air are greatly different from the ground surface, the anti-freezing liquid in the liquid cooling equipment can expand and contract along with the change of the environment, so that the internal pressure of the liquid cooling equipment is increased, and in order to prevent the damage of the liquid cooling equipment, a pressure relief device becomes an indispensable part of the liquid cooling equipment. The volume of air changes greatly under different ambient temperatures, and the acid gas in the air can corrode equipment, and liquid cooling equipment needs to discharge the gas in the equipment when filling antifreeze, and an exhaust device is also an important component of the liquid cooling equipment.
At present, a safety relief valve and an exhaust valve are additionally arranged on a liquid cooling device, the safety relief valve and the exhaust valve are two independent bodies and are independently arranged on the liquid cooling device, so that the liquid cooling device has the defects of excessive interfaces, low integration level and leakage hidden danger. And the pressure relief value adjustability of the safety relief valve is poor, the pressure tool is required to detect and adjust each time of adjustment, the influence of the use environment is great when the safety relief valve is used, the pressure relief device is easy to loosen, the pressure relief value is reduced, the liquid cooling equipment is enabled to relieve pressure in advance, and the reliability of the liquid cooling equipment is reduced. Although there is an integrated waste gate valve device disclosed in, for example, patent publication No. CN208859040U (published 5/14/2019), a waste gate valve and a waste gate are integrated into one valve body. However, the existing exhaust pressure relief device still has the problems of more interfaces, influence on the reliability of the device and poor adjustability.
In summary, the problems of more interfaces and poor adjustability of the venting and pressure-releasing device in the prior art need to be solved.
SUMMERY OF THE UTILITY MODEL
To solve the above-mentioned deficiencies in the prior art, the present invention provides a method comprising
The valve body is provided with an inlet, an outlet and a screw mounting hole, the inlet and the screw mounting hole are coaxially arranged, and the outlet is arranged on the side wall of the valve body and communicated with the screw mounting hole;
one end of the screw rod is arranged in the screw rod mounting hole, the screw rod is connected with the valve body through threads, and one end of the screw rod, which is relatively close to the valve body, is provided with a valve core mounting hole;
the valve core is provided with a valve core cap and a valve core rod which are fixedly connected, and the valve core rod is arranged in the valve core mounting hole in a sliding manner;
the spring is sleeved on the valve core rod and is positioned between the screw rod and the valve core cap.
In one embodiment, a threaded hole is formed in the middle of the screw mounting hole, a mounting thread is formed at one end of the screw connected with the valve body, and the screw is in threaded connection with the threaded hole through the mounting thread.
In one embodiment, the screw mounting hole further has a smooth bore section extending from an end of the screw mounting hole relatively distant from the inlet to the threaded bore;
the screw further has a smooth shaft section extending from the distal end of the mounting thread to an end distal from the mounting thread;
the diameter of the optical axis section is matched with the aperture of the optical hole section, and the surface of the optical axis section is provided with pressure scales.
In one embodiment, one end of the optical shaft section, which is close to the mounting thread, is provided with a first sealing ring mounting groove, and a screw rod sealing ring is arranged in the sealing ring mounting groove.
In one embodiment, a fastening threaded hole is formed in the valve body along the radial direction of the screw mounting hole, and the fastening threaded hole is communicated to the unthreaded hole section.
In one embodiment, one end of the valve core mounting hole, which is relatively close to the inlet, is provided with an anti-falling threaded hole;
and one end of the valve core rod, which is relatively far away from the inlet, is provided with an anti-falling thread part.
In one embodiment, one end of the screw rod mounting hole connected with the inlet is provided with a tapered hole, and one side of the valve core cap facing the inlet is provided with a shape matched with the tapered hole.
In one embodiment, a second sealing ring mounting groove is formed in the valve core cap, and a valve core sealing ring is arranged in the second sealing ring mounting groove.
In one embodiment, a rotary handle is arranged at one end of the screw rod, which is positioned outside the valve body, and the rotary handle and the screw rod are coaxially arranged.
In one embodiment, the valve further comprises a rod-shaped handle, one end of the screw rod, which is positioned outside the valve body, is provided with a radial opening, and the rod-shaped handle is arranged in the radial opening in a penetrating mode.
Based on the above, compared with the prior art, the adjustable exhaust and pressure relief device provided by the utility model has the advantages that the inlet and the screw mounting hole are coaxially arranged on the valve body, the screw is in threaded connection with the valve body to realize spiral entry or exit, the end part of the screw is provided with the valve core in sliding connection and the spring between the valve core cap and the valve core rod of the valve core, when exhaust is needed, the screw is screwed to enable the spring to be in a loose state, the valve core has no pressing pressure, and the device has the function of an exhaust valve; lean on the case cap to the import through the spring to making the spring be in when compression state when the screw rod is rotatory, the spring is opened by compression import and is switched on import and row's mouth when the pressure value exceeds spring pressure, realizes the effect of relief valve to this is integrated together with discharge valve and relief valve, and only has import and two interfaces of row's mouth, has simplified the connection installation complexity of device, can simplify the pressure release pressure adjustment process through helical screw, improves work efficiency, reduces and makes the cost.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts; in the following description, the drawings are illustrated in a schematic view, and the drawings are not intended to limit the present invention.
FIG. 1 is an exploded view of an embodiment of an adjustable venting and pressure relief device according to the present invention;
FIG. 2 is a sectional view of the assembled state of the embodiment;
FIG. 3 is a schematic cross-sectional view of an embodiment valve body;
FIG. 4 is a schematic view of a valve cartridge according to an embodiment;
FIG. 5 is a schematic view of a screw structure according to the embodiment;
fig. 6 is a schematic view of a preferred embodiment bar handle configuration.
Reference numerals:
10 valve body 11 inlet 12 discharge
13 screw mounting hole 13a screw hole 13b unthreaded hole section
20 screw 21 valve core mounting hole 22 mounting thread
23 optical axis section 23a pressure scale 24 first seal ring mounting groove
25 screw seal ring 26 rotary handle 27 rod-shaped handle
30 valve core 31 valve core cap 31a second seal ring mounting groove
33 valve core sealing ring 40 spring
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments; the technical features designed in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be noted that all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present invention belongs, and are not to be construed as limiting the present invention; it will be further understood that terms used herein should be interpreted as having a meaning that is consistent with their meaning in the context of this specification and the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The following description will be made by specific examples.
The utility model provides an adjustable exhaust and pressure relief device, which comprises a valve body 10, wherein the valve body 10 is provided with an inlet 11, an exhaust port 12 and a screw mounting hole 13, the inlet 11 and the screw mounting hole 13 are coaxially arranged, and the exhaust port 12 is arranged on the side wall of the valve body 10 and communicated with the screw mounting hole 13; one end of the screw rod 20 is arranged in the screw rod mounting hole 13, the screw rod 20 is connected with the valve body 10 through threads, and one end of the screw rod 20, which is relatively close to the valve body 10, is provided with a valve core mounting hole 21; the valve core 30 is provided with a valve core cap 31 and a valve core rod 32 which are fixedly connected, and the valve core rod 32 is slidably arranged in the valve core mounting hole 21; the spring 40 is sleeved on the valve core rod 32 and is positioned between the screw rod 20 and the valve core cap 31.
In specific implementation, as shown in fig. 1 and fig. 2, the present embodiment mainly includes a valve body 10, a screw 20, a valve core 30, and a spring 40, where one end of the valve body 10 is provided with an inlet 11, and a screw mounting hole 13 coaxial with the inlet 11 is further provided, the inlet 11 and the screw mounting hole 13 penetrate through the valve body 10, the discharge port 12 is provided on a side wall of the valve body 10 and is communicated with the screw mounting hole 13 along a radial direction of the screw mounting hole 13, one end of the screw 20 is provided with the valve core mounting hole, the valve core 30 is slidably disposed in the valve core mounting hole 21 through a valve core rod 32, the valve core rod 32 between the valve core cap 31 and the screw 20 is sleeved with the spring 40, the valve core 30 extends into the screw mounting hole 13 along with the screw 20, and the valve core cap 31 faces the inlet 11. The valve body 10 is connected with the screw 20 through threads, and the screw 20 can compress or release the spring 40 and the valve core 30 through spiral motion relative to the valve body 10.
Specifically, as shown in fig. 3, the screw mounting hole 13 has a threaded hole 13a in the middle, the end of the screw 20 connected to the valve body 10 has a mounting thread 22, and the screw 20 is connected to the valve body 10 by the threaded hole 13a and the mounting thread 22 on the screw 20 and can move spirally relative to the valve body. And a unthreaded hole section 13b is further arranged in the screw mounting hole 13, as shown in fig. 3, the aperture of the unthreaded hole section 13b is larger than that of the threaded hole 13a, the unthreaded hole section 13b extends from the end part of the screw mounting hole 13 opposite to the principle inlet 11 to the threaded hole 13a, correspondingly, as shown in fig. 5, an optical axis section 23 is arranged on the screw 20, which extends from the tail end of the mounting thread 22 to the end part far away from the mounting thread 22, and a pressure scale 23a is arranged on the surface of the optical axis section 23, wherein the aperture of the unthreaded hole section 13b and the axial diameter of the optical axis section 23 should be matched to form a sealing structure to prevent leakage, and the matching means that the design purpose is consistent, and the two are close to each other when actually considering production and installation errors and the like. Can make the relative valve body 10 screw motion of screw rod 20 through installation screw thread 22, can observe corresponding pressure scale 23a and adjust required pressure release pressure during compression spring 40, the convenient change of pressure release value, pressure scale 23a can indicate the pressure release value, can not receive service environment's influence after the pressure release value change is accomplished, has improved the convenience of using.
Preferably, in one embodiment, as shown in fig. 5 and 1, the end of the optical shaft section 23 near the mounting thread 22 has an annular first sealing ring mounting groove 24, and a screw sealing ring 25 is disposed in the sealing ring mounting groove 24, preferably, but not limited to, a sealing O-ring or the like.
Preferably, in an embodiment, as shown in fig. 3 and 1, a fastening threaded hole 14 is provided on the valve body 10 in a radial direction of the screw mounting hole 13, that is, in a vertical direction from a longitudinal sectional view of fig. 3, and the fastening threaded hole 14 communicates with the unthreaded hole section 13 b. The screw rod 20 is locked through the locking screw 15, so that the device is prevented from loosening due to factors such as vibration and the like in the use process, and the pressure relief value is inaccurate.
Preferably, as shown in fig. 4 and 5, one end of the valve core mounting hole 21 relatively close to the inlet 11, that is, the inlet end of the valve core mounting hole 21, has a retaining threaded hole 21a, and correspondingly, one end of the valve core rod 32 relatively far from the inlet 11, that is, the end of the valve core rod 32 has a retaining threaded portion 32a, it should be understood that, in order to enable the valve core rod 32 to slide after extending into the valve core mounting hole 21, the bore diameter of the retaining threaded hole 21a should be smaller than that of the inner valve core mounting hole 21, and similarly, the main body rod diameter of the valve core rod 32 should be relatively smaller than that of the retaining threaded portion 32 a.
Preferably, as shown in fig. 3 and 4, the end of the screw mounting hole 13 connected to the inlet 11 has a tapered hole 13c, and the side of the spool cap 31 facing the inlet 11 has a shape matching the tapered hole 13 c. Preferably, a second sealing ring installation groove 31a is formed on the valve core cap 31, and a valve core sealing ring 33 is arranged in the second sealing ring installation groove 31 a.
Preferably, as shown in fig. 5, a knob cap having a larger diameter facilitates the rotation of the screw 20, and a knob handle 26 having a rotary shape is provided on one end of the screw 20 located outside the valve body 10, and the knob handle 26 having a rotary shape is coaxially provided with the screw 20. Preferably, the handle of the screw 20 can be modified as required to reduce the size of the device, for example, as shown in fig. 6, a radial opening can be added to the end of the screw 20 outside the valve body 10, a rod-shaped handle 27, i.e. a straight handle, can be inserted into the radial opening of the screw 20, or a handle in the form of a butterfly handle, etc.
In summary, compared with the prior art, the adjustable exhaust and pressure relief device provided by the utility model has the advantages that the inlet and the screw mounting hole are coaxially arranged on the valve body, the screw is in threaded connection with the valve body to realize spiral entry or exit, the end part of the screw is provided with the valve core in sliding connection and the spring between the valve core cap and the valve core rod of the valve core, when exhaust is needed, the screw is screwed to enable the spring to be in a loose state, the valve core has no pressing pressure, and the device has the function of an exhaust valve; lean on the case cap to the import through the spring to making the spring be in when compression state when the screw rod is rotatory, the spring is opened by compression import and is switched on import and row's mouth when the pressure value exceeds spring pressure, realizes the effect of relief valve to this is integrated together with discharge valve and relief valve, and only has import and two interfaces of row's mouth, has simplified the connection installation complexity of device, can simplify the pressure release pressure adjustment process through helical screw, improves work efficiency, reduces and makes the cost.
In addition, it will be appreciated by those skilled in the art that, although there may be many problems with the prior art, each embodiment or aspect of the present invention may be improved only in one or several respects, without necessarily simultaneously solving all the technical problems listed in the prior art or in the background. It will be understood by those skilled in the art that nothing in a claim should be taken as a limitation on that claim.
Although terms such as valve body, inlet, discharge port, screw mounting hole, threaded hole, unthreaded hole section, tapered hole, locking screw, spool mounting hole, mounting thread, unthreaded shaft section, pressure scale, first seal ring mounting groove, screw seal ring, swing-shaped handle, rod-shaped handle, spool cap, second seal ring mounting groove, spool rod, anti-drop thread section, anti-drop threaded hole, spool seal ring, and spring are used more often herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention; the terms "first," "second," and the like in the description and in the claims, and in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
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; while the utility model has been described in detail and with reference to the foregoing embodiments, it will 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; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides an adjustable exhaust pressure relief device which characterized in that: comprises that
The valve body (10), the valve body (10) has an inlet (11), a discharge port (12) and a screw mounting hole (13), the inlet (11) and the screw mounting hole (13) are coaxially arranged, and the discharge port (12) is arranged on the side wall of the valve body (10) and communicated with the screw mounting hole (13);
one end of the screw rod (20) is arranged in the screw rod mounting hole (13), the screw rod (20) is in threaded connection with the valve body (10), and one end, relatively close to the valve body (10), of the screw rod (20) is provided with a valve core mounting hole (21);
the valve core (30) is provided with a valve core cap (31) and a valve core rod (32) which are fixedly connected, and the valve core rod (32) is arranged in the valve core mounting hole (21) in a sliding manner;
the spring (40) is sleeved on the valve core rod (32) and is positioned between the screw rod (20) and the valve core cap (31).
2. The adjustable pressure relief device of claim 1, wherein: the middle part of the screw rod mounting hole (13) is provided with a threaded hole (13 a), one end of the screw rod (20) connected with the valve body (10) is provided with a mounting thread (22), and the screw rod (20) is in threaded connection with the threaded hole (13 a) through the mounting thread (22).
3. The adjustable air relief device of claim 2, wherein: the screw mounting hole (13) is also provided with a unthreaded hole section (13 b), and the unthreaded hole section (13 b) extends to the threaded hole (13 a) from the end of the screw mounting hole (13) relatively far away from the inlet (11);
the screw rod (20) is also provided with a light shaft section (23), and the light shaft section (23) extends from the tail end of the mounting thread (22) to the end far away from the mounting thread (22);
the axial diameter of the optical axis section (23) is matched with the aperture of the optical hole section (13 b), and the surface of the optical axis section (23) is provided with a pressure scale (23 a).
4. The adjustable air relief device according to claim 3, wherein: one end, close to the mounting thread (22), of the optical shaft section (23) is provided with a first sealing ring mounting groove (24), and a screw rod sealing ring (25) is arranged in the sealing ring mounting groove (24).
5. The adjustable air relief device according to claim 4, wherein: and a fastening threaded hole (14) is formed in the valve body (10) along the radial direction of the screw mounting hole (13), and the fastening threaded hole (14) is communicated to the unthreaded hole section (13 b).
6. The adjustable air relief device according to claim 5, wherein: one end of the valve core mounting hole (21) relatively close to the inlet (11) is provided with an anti-falling threaded hole (21 a);
the valve core rod (32) is provided with a thread-off preventing part (32 a) at one end which is relatively far away from the inlet (11).
7. The adjustable pressure relief device of claim 1, wherein: one end of the screw rod mounting hole (13) connected with the inlet (11) is provided with a tapered hole (13 c), and one side of the valve core cap (31) facing the inlet (11) is provided with a shape matched with the tapered hole (13 c).
8. The adjustable air relief device according to claim 7, wherein: and a second sealing ring mounting groove (31 a) is formed in the valve core cap (31), and a valve core sealing ring (33) is arranged in the second sealing ring mounting groove (31 a).
9. The adjustable exhaust pressure relief device according to any one of claims 1 to 8, wherein: and a rotary handle (26) is arranged at one end of the screw rod (20) positioned outside the valve body (10), and the rotary handle (26) and the screw rod (20) are coaxially arranged.
10. The adjustable exhaust pressure relief device according to any one of claims 1 to 8, wherein: the valve body (10) is characterized by further comprising a rod-shaped handle (27), a radial hole is formed in one end, located outside the valve body (10), of the screw rod (20), and the rod-shaped handle (27) penetrates through the radial hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122213944.5U CN216479128U (en) | 2021-09-13 | 2021-09-13 | Adjustable exhaust pressure relief device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122213944.5U CN216479128U (en) | 2021-09-13 | 2021-09-13 | Adjustable exhaust pressure relief device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216479128U true CN216479128U (en) | 2022-05-10 |
Family
ID=81436452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122213944.5U Active CN216479128U (en) | 2021-09-13 | 2021-09-13 | Adjustable exhaust pressure relief device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216479128U (en) |
-
2021
- 2021-09-13 CN CN202122213944.5U patent/CN216479128U/en active Active
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Denomination of utility model: An adjustable exhaust pressure relief device Granted publication date: 20220510 Pledgee: Bank of China Limited Xiamen Convention and Exhibition Center sub branch Pledgor: XIAMEN SANHESHENG TECHNOLOGY Co.,Ltd. Registration number: Y2024980018402 |