CN204573225U - A kind of Decompression valves - Google Patents
A kind of Decompression valves Download PDFInfo
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- CN204573225U CN204573225U CN201520083325.0U CN201520083325U CN204573225U CN 204573225 U CN204573225 U CN 204573225U CN 201520083325 U CN201520083325 U CN 201520083325U CN 204573225 U CN204573225 U CN 204573225U
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Abstract
The utility model discloses a kind of Decompression valves, comprise valve body, flap, valve rod, intermediate and valve gap, valve gap and intermediate are connected and fixed by fastening piece, also comprise be positioned at valve gap top adjusting screw, be positioned at spring below adjusting screw, the lower end abutment of spring, in diaphragm top board, is provided with diaphragm and diaphragm press table successively under diaphragm top board; The longitudinal section of valve gap is inverted U, and it is inner that spring is positioned at described valve gap.Decompression valves of the present utility model adopts spring directly to control pressure release, and structure is simple, and reaction velocity is fast and without pressure measurement pipeline blockage problem, be well positioned to meet in user; Relieves amount of the present utility model is less, can reduce the pressure loss of pipeline to a great extent; Pressure-relief valve structure of the present utility model is simple, and easy for installation being easy to regulates, long service life, and Security is good, also can be used as function main valve that pilot valve is installed on various bore realizing together pressure release, very convenient installation and removal, reduce cost greatly.
Description
Technical field
The utility model relates to a kind of valve of pilot line pressure security, particularly relates to a kind of Decompression valves.
Background technique
Under normal circumstances, pipeline pressure all can fluctuate within the specific limits, and change among a small circle can't affect the use of user, also can not be dangerous; But because larger change is that the mankind are unpredictable, the life safety of people can be hindered also to cause damage to people, therefore in order to stop these hidden danger, need the pressure release valve device installing protective conduit in the duct, it can be good at the safety of protective conduit.In prior art, the complex structure of Decompression valves, installation and removal are inconvenient, and reaction velocity is slow.
Summary of the invention
Based on above the deficiencies in the prior art, it is simple that the technical problem that the utility model solves is to provide a kind of structure, the Decompression valves that reaction velocity is fast, and this Decompression valves can shorten valve and open the response time, reduces the pressure loss of pipe-line system.
In order to solve the problems of the technologies described above, the utility model provides a kind of Decompression valves, comprise valve body, flap, valve rod, intermediate and valve gap, described valve gap and intermediate are connected and fixed by fastening piece, wherein, this Decompression valves also comprise be positioned at valve gap top adjusting screw, be positioned at spring below described adjusting screw, the lower end abutment of described spring, in diaphragm top board, is provided with diaphragm and diaphragm press table successively under described diaphragm top board; The longitudinal section of described valve gap is inverted U, and it is inner that described spring is positioned at described valve gap.Decompression valves of the present utility model adopts spring directly to control pressure release, and structure is simple, and response speed is fast and without pressure measurement pipeline blockage problem, be well positioned to meet in user; Relieves amount of the present utility model is less, can reduce the pressure loss of pipeline to a great extent; Pressure-relief valve structure of the present utility model is simple, and easy for installation being easy to regulates, long service life, and Security is good.
As the preferred implementation of technique scheme, the Decompression valves that the utility model embodiment provides comprises the part or all of of following technical characteristics further:
As the improvement of technique scheme, a spring bearer plate is provided with between described adjusting screw and spring, the bottom of described adjusting screw is arranged in the groove of the upper surface of described spring bearer plate, the upper end of described spring is connected to the flange place of described spring bearer plate, between adjusting screw and spring, arrange spring bearer plate, more convenient adjusting screw is to the control of the spring pressure of spring.
As the improvement of technique scheme, in an embodiment of the present utility model, described adjusting screw is equipped with locking nut, locking block is provided with between described locking nut and described spring bearer plate, by locking nut and locking block adjustment screw, prevent it from arbitrarily rotating and affecting effect of Decompression valves.
As the improvement of technique scheme, in an embodiment of the present utility model, outside described adjusting screw, be socketed with a sheath, prevent dust or other foreign material from entering into Decompression valves, be conducive to the working life extending Decompression valves.
Compared with prior art, the technical solution of the utility model has following beneficial effect: pressure-relief valve structure of the present utility model is simple, reasonable in design, can shorten valve and open the response time, reduce the pressure loss of pipe-line system; The utility model Decompression valves adopts adjusting screw to combine with spring, and utilize the elasticity of spring to regulate setting value, turn clockwise adjusting screw, and setup pressure value increases; Be rotated counterclockwise adjusting screw, setup pressure value reduces; When pipeline pressure is excessive, Decompression valves can be opened rapidly, and the time is lower than 0.5s; Decompression valves of the present utility model adopts spring directly to control pressure release, and structure is simple, and reaction velocity is fast and without pressure measurement pipeline blockage problem, be well positioned to meet in user.Relieves amount of the present utility model is less, can reduce the pressure loss of pipeline to a great extent; Pressure-relief valve structure of the present utility model is simple, and easy for installation being easy to regulates, long service life, and Security is good, is worthy of popularization.In addition, Decompression valves of the present utility model is installed on the function main valve of various bore realizing together pressure release as pilot valve, and very convenient installation and removal, reduce cost greatly, also better serves client simultaneously.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to technological means of the present utility model can be better understood, and can be implemented according to the content of specification, and can become apparent to allow above and other object of the present utility model, feature and advantage, below in conjunction with preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme of the utility model embodiment, be briefly described to the accompanying drawing of embodiment below.
Fig. 1 is the structural representation of the Decompression valves of the utility model preferred embodiment.
Fig. 2 is the structural representation that Decompression valves of the present utility model is used alone.
Fig. 3 is that Decompression valves of the present utility model is installed on the structural representation of main valve as pilot valve.
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing, it is as the part of this specification, by embodiment, principle of the present utility model is described, other aspects of the present utility model, feature and advantage thereof will become very clear by this detailed description.In the accompanying drawing of institute's reference, in different figure, same or analogous parts use identical drawing reference numeral to represent.
As shown in Figure 1, be the structural representation of the Decompression valves of the utility model preferred embodiment, Decompression valves of the present utility model is mainly used in pipe-line system; the pipeline of whole system is protected; exceed to prevent pipeline pressure or lower than setting value time, damage is caused to system, cause security incident.
In actual use, small-bore pipeline directly can install Decompression valves, as shown in Figure 2, be the structural representation that Decompression valves of the present utility model is used alone.But in order to meet the requirement of client on large bore, also in order to reduce costs, we can be installed on main valve using Decompression valves as pilot valve and cooperate and use as Decompression valves, as shown in Figure 3, for Decompression valves of the present utility model to be installed on the structural representation of main valve as pilot valve, now Decompression valves is installed on main valve as pilot valve, and it can complete the various functions of Decompression valves very completely, the relation of main valve below pilot valve correspondence:
1. pilot valve is opened main valve and is opened;
2. pilot valve closes main valve pass;
Decompression valves is installed on the function main valve of various bore realizing together pressure release as pilot valve, very convenient installation and removal, reduce cost greatly, also better serves client simultaneously.
Particularly, the Decompression valves of the utility model preferred embodiment comprises valve body 11, flap 12, valve rod 13, intermediate 14 and valve gap 15, described valve gap 15 and intermediate 14 are connected and fixed by fastening piece 2, valve gap 15 and valve rod 13 are by precision stainless steel casting, thickness is even, intensity is good, and outward appearance is clean and tidy.Flap 12 is that vulcanized rubber is processed into, and has very strong working life.Wherein, Decompression valves of the present utility model also comprise be positioned at valve gap 15 top adjusting screw 3, be positioned at spring 4 below described adjusting screw 3, the lower end abutment of described spring 4 is in diaphragm top board 5, described diaphragm top board is provided with diaphragm 6 and diaphragm press table 7 for 5 times successively, diaphragm 6 is NBR+Nylon hangings laies, intensity is high, good springiness, with pressure 1,000,000 times not damaged; The longitudinal section of described valve gap 15 is inverted U, and it is inner that described spring 4 is positioned at described valve gap.Decompression valves of the present utility model adopts spring 4 directly to control pressure release, and structure is simple, and reaction velocity is fast and without pressure measurement pipeline blockage problem, be well positioned to meet in user.
Preferably, a spring bearer plate 8 is provided with between described adjusting screw 3 and spring 4, the bottom of described adjusting screw 3 is arranged in the groove of the upper surface of described spring bearer plate 8, the upper end of described spring 4 is connected to the flange place of described spring bearer plate 8, spring bearer plate 8 is set between adjusting screw 3 and spring 4, the control of the spring pressure of more convenient adjusting screw 3 pairs of springs 4.
Further, in an embodiment of the present utility model, described adjusting screw 3 is equipped with locking nut 31, locking block 32 is provided with between described locking nut 31 and described spring bearer plate 8, after adjusting screw 3 sets force value, by locking nut 31 and locking block 32 adjustment screw 3, prevent it from arbitrarily rotating and affecting effect of Decompression valves.
In another embodiment of the utility model, preferably, be socketed with a sheath 16 outside described adjusting screw 3, sheath 16 can prevent dust or other foreign material from entering into Decompression valves, is conducive to the working life extending Decompression valves.
When using Decompression valves of the present utility model, turn clockwise adjusting screw 3, and setup pressure value increases; Be rotated counterclockwise adjusting screw 3, setup pressure value reduces; When pipeline pressure is excessive, Decompression valves can be opened rapidly, and the time is lower than 0.5s; Decompression valves of the present utility model adopts spring 4 directly to control pressure release, and structure is simple, and reaction velocity is fast and without pressure measurement pipeline blockage problem, be well positioned to meet in user.Relieves amount of the present utility model is less, can reduce the pressure loss of pipeline to a great extent; Pressure-relief valve structure of the present utility model is simple, and easy for installation being easy to regulates, long service life, and Security is good, is worthy of popularization.In addition, Decompression valves of the present utility model is installed on the function main valve of various bore realizing together pressure release as pilot valve, and very convenient installation and removal, reduce cost greatly, also better serves client simultaneously.
The above is preferred implementation of the present utility model; certainly the interest field of the utility model can not be limited with this; should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle; can also make some improvement and variation, these improve and variation is also considered as protection domain of the present utility model.
Claims (4)
1. a Decompression valves, comprise valve body, flap, valve rod, intermediate and valve gap, described valve gap and intermediate are connected and fixed by fastening piece, it is characterized in that, also comprise be positioned at valve gap top adjusting screw, be positioned at spring below described adjusting screw, the lower end abutment of described spring, in diaphragm top board, is provided with diaphragm and diaphragm press table successively under described diaphragm top board; The longitudinal section of described valve gap is inverted U, and it is inner that described spring is positioned at described valve gap.
2. Decompression valves as claimed in claim 1, it is characterized in that, be provided with a spring bearer plate between described adjusting screw and spring, the bottom of described adjusting screw is arranged in the groove of the upper surface of described spring bearer plate, and the upper end of described spring is connected to the flange place of described spring bearer plate.
3. Decompression valves as claimed in claim 2, is characterized in that, described adjusting screw is equipped with locking nut, be provided with locking block between described locking nut and described spring bearer plate.
4. the Decompression valves as described in any one of claims 1 to 3, is characterized in that, is socketed with a sheath outside described adjusting screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520083325.0U CN204573225U (en) | 2015-05-25 | 2015-05-25 | A kind of Decompression valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520083325.0U CN204573225U (en) | 2015-05-25 | 2015-05-25 | A kind of Decompression valves |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204573225U true CN204573225U (en) | 2015-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520083325.0U Active CN204573225U (en) | 2015-05-25 | 2015-05-25 | A kind of Decompression valves |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204573225U (en) |
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2015
- 2015-05-25 CN CN201520083325.0U patent/CN204573225U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170308 Address after: Qingpu 201700 waiqingsong road Shanghai City, No. 5399, building 2, 1 Building 1 layer -3 Patentee after: Jet flow control (Shanghai) Co., Ltd. Patentee after: SHANGHAI KANGCUO FLUID CONTROL CO., LTD. Address before: Jiading District Jiangqiao town park four road 201812 Shanghai City No. 188 building second floor Patentee before: SHANGHAI KANGCUO FLUID CONTROL CO., LTD. |