CN202855633U - Pressure controller - Google Patents
Pressure controller Download PDFInfo
- Publication number
- CN202855633U CN202855633U CN 201220543378 CN201220543378U CN202855633U CN 202855633 U CN202855633 U CN 202855633U CN 201220543378 CN201220543378 CN 201220543378 CN 201220543378 U CN201220543378 U CN 201220543378U CN 202855633 U CN202855633 U CN 202855633U
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- CN
- China
- Prior art keywords
- piston
- pressure controller
- piston cavity
- sensitive switch
- housing
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model discloses a pressure controller, characterized by comprising a housing, a microswitch and a piston, wherein the piston and the microswitch are arranged inside the housing, the piston is corresponding to the microswitch, the piston comprises a piston cavity, a push rod, an adjusting nut, a locking nut, a compression spring and spring seats, the locking nut is arranged at one end of the piston cavity, the adjusting nut is arranged inside the locking nut, the push rod passes through the piston cavity, the spring seats are arranged at one end of the piston cavity and at one end of the adjusting nut respectively, and the compression spring is fixed on the spring seat at one end of the piston cavity. The pressure controller is high in precision, small in return difference, good in vibration resistance and pressure resistance, and large in contact capacity and is durable.
Description
Technical field
The utility model relates to a kind of pressure controller, belongs to automation field.
Background technology
In the industrial detection control procedure, especially compressor, water pump, boiler equal pressure equipment all need to control relevant pressure size at present.But mostly the past is setting pressure table on corresponding press device, and artificial monitor force situation is removed to open or closed corresponding equipment according to the variation of pressure and comes with this that pressure is unlikely to too high or too low in controlled pressure equipment.Along with the development of science and technology, nowadays some corresponding pressure controllers have appearred.
The common pressure controller mostly is lever principle.Controller is the pressure controller table that drives sensitive switch work by flexible member by lever principle.Controller has complex structure, driving error is little, and the pressure control precision is high, the characteristics such as good stability.
Controller is single-pole double-throw switch (SPDT), and set point and differential gap can be regulated.
Its shortcoming:
Precision is not high, and return difference is large;
Antivibration and anti-overvoltage capabilities are poor;
Useful life is short.
The utility model content
The purpose of this utility model is to provide a kind of pressure controller corrosive environment, that the switching frequency is high, vibration resistance is strong, contact capacity is large that is applicable to.
The technical scheme that addresses the above problem is: a kind of pressure controller, comprise housing, sensitive switch, piston, described piston and described sensitive switch are located in the described housing, described piston is corresponding with described sensitive switch, described piston comprises: piston cavity, push rod, adjusting nut, locking nut, Compress Spring, spring base, described locking nut is located at an end of described piston cavity, described adjusting nut is located in the described locking nut, described push rod is in described piston cavity, described spring base is located at respectively an end of piston cavity and an end of adjusting nut, and described Compress Spring is fixed on the spring base of described piston cavity one end.
Also comprise joint, be located on the described housing, corresponding with described piston.
Be provided with diaphragm between described joint and the described piston.
Diaphragm both sides between described joint and the described piston are provided with O type circle.
Also comprise lead collar, be located on the described housing.
The utility model has the advantage of piston-spring of adopting static O type circle sealing-membrane combination formula structure, have antidetonation, anti-overvoltage capabilities is strong, the characteristics such as measuring range is wide and return difference is little, long service life; Measuring media pressure enters joint, by diaphragm pressure is passed to piston, and piston promotes push rod, finally make push rod touch the contact of sensitive switch, thereby make the sensitive switch action, reduce the transmission of power, so that the differential gap of controller is little, improved the stability of controller; Adopted the sensitive switch of high-quality import, its contact capacity is high, and the life-span is long.
Below in conjunction with accompanying drawing the utility model is described in further detail.
Description of drawings
Fig. 1 is perspective view of the present utility model;
Embodiment
In order to deepen understanding of the present utility model, the utility model is described in further detail below in conjunction with embodiment and accompanying drawing, and this embodiment only is used for explaining the utility model, does not consist of the restriction to the utility model protection range.
Referring to shown in Figure 1, a kind of pressure controller provided by the utility model comprises housing 10, sensitive switch 12, piston 2.Piston 2 and sensitive switch 12 are located in the housing 10.Piston 2 is corresponding with sensitive switch 12.Piston 2 comprises: piston cavity, push rod 11, adjusting nut 5, locking nut 6, Compress Spring 8, spring base 7(9).Locking nut 6 is located at an end of piston cavity, and adjusting nut 5 is located in the locking nut 6, and push rod 11 is in piston cavity, and spring base 9 is located at respectively an end of piston cavity, and spring base 7 is located at an end of adjusting nut, and Compress Spring 8 is fixed on the spring base 9.Also comprise joint 1, be located on the housing 10, corresponding with 2 pistons.Be provided with diaphragm 4 between joint 1 and the piston 2.Diaphragm 4 both sides between joint 1 and the piston 2 are provided with O type circle 3, are used for reinforcing seal degree of the present utility model.Also comprise lead collar 13, be located on the housing 10, be used for tightening up the cable of the equipment that is connected with sensitive switch 12.
Measuring media pressure enters joint 1, by diaphragm 4 pressure is passed to piston 2, and piston 2 promotes push rod 11, and Compress Spring finally makes push rod 11 touch the contact of sensitive switch 12, thereby makes sensitive switch 12 actions.When pressure reaches the upper limit, the effect controlled pressure equipment by sensitive switch 12 quits work, and treats that pressure drops to below the upper limit, and sensitive switch 12 is opened, and press device works on.
The utility model adopts the piston-spring of static O type circle sealing-membrane combination formula structure, has antidetonation, anti-overvoltage capabilities is strong, the characteristics such as measuring range is wide and return difference is little, long service life; Measuring media pressure enters joint, by diaphragm pressure is passed to piston, and piston promotes push rod, finally make push rod touch the contact of sensitive switch, thereby make the sensitive switch action, reduce the transmission of power, so that the differential gap of controller is little, improved the stability of controller; Adopted the sensitive switch of high-quality import, its contact capacity is high, and the life-span is long.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (5)
1. pressure controller, it is characterized in that: comprise housing, sensitive switch, piston, described piston and described sensitive switch are located in the described housing, described piston is corresponding with described sensitive switch, described piston comprises: piston cavity, push rod, adjusting nut, locking nut, Compress Spring, spring base, described locking nut is located at an end of described piston cavity, described adjusting nut is located in the described locking nut, described push rod is in described piston cavity, described spring base is located at respectively an end of piston cavity and an end of adjusting nut, and described Compress Spring is fixed on the spring base of described piston cavity one end.
2. pressure controller according to claim 1 is characterized in that: also comprises joint, is located on the described housing, and corresponding with described piston.
3. pressure controller according to claim 2 is characterized in that: be provided with diaphragm between described joint and the described piston.
4. pressure controller according to claim 3, it is characterized in that: the diaphragm both sides between described joint and the described piston are provided with O type circle.
5. pressure controller according to claim 1 is characterized in that: also comprise lead collar, be located on the described housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220543378 CN202855633U (en) | 2012-10-23 | 2012-10-23 | Pressure controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220543378 CN202855633U (en) | 2012-10-23 | 2012-10-23 | Pressure controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202855633U true CN202855633U (en) | 2013-04-03 |
Family
ID=47986802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220543378 Expired - Fee Related CN202855633U (en) | 2012-10-23 | 2012-10-23 | Pressure controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202855633U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106409601A (en) * | 2016-12-07 | 2017-02-15 | 象山科博仪表有限公司 | Micro pressure controller |
| CN106493905A (en) * | 2016-11-29 | 2017-03-15 | 无锡同心塑料制品有限公司 | A kind of Intermittert prefoaming machine compressed gas over-and under-voltage control device |
| CN108962672A (en) * | 2018-10-17 | 2018-12-07 | 河北领冠仪器仪表有限公司 | A kind of compact pressure switch of explosion-proof type and its application method |
| CN114388295A (en) * | 2022-01-29 | 2022-04-22 | 江元(天长)科技股份有限公司 | Micro-pressure switch suitable for positive and negative pressure environment |
-
2012
- 2012-10-23 CN CN 201220543378 patent/CN202855633U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106493905A (en) * | 2016-11-29 | 2017-03-15 | 无锡同心塑料制品有限公司 | A kind of Intermittert prefoaming machine compressed gas over-and under-voltage control device |
| CN106493905B (en) * | 2016-11-29 | 2018-12-04 | 无锡同心塑料制品有限公司 | A kind of Intermittert prefoaming machine compressed gas over-and under-voltage control device |
| CN106409601A (en) * | 2016-12-07 | 2017-02-15 | 象山科博仪表有限公司 | Micro pressure controller |
| CN108962672A (en) * | 2018-10-17 | 2018-12-07 | 河北领冠仪器仪表有限公司 | A kind of compact pressure switch of explosion-proof type and its application method |
| CN108962672B (en) * | 2018-10-17 | 2024-04-09 | 河北领冠仪器仪表有限公司 | Explosion-proof compact pressure switch and use method thereof |
| CN114388295A (en) * | 2022-01-29 | 2022-04-22 | 江元(天长)科技股份有限公司 | Micro-pressure switch suitable for positive and negative pressure environment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130403 Termination date: 20161023 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |