CN204226811U - A kind of double-action pneumatic actuator - Google Patents
A kind of double-action pneumatic actuator Download PDFInfo
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- CN204226811U CN204226811U CN201420645746.3U CN201420645746U CN204226811U CN 204226811 U CN204226811 U CN 204226811U CN 201420645746 U CN201420645746 U CN 201420645746U CN 204226811 U CN204226811 U CN 204226811U
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- actuator
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- diaphragm
- double
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- 230000008878 coupling Effects 0.000 claims abstract description 12
- 238000010168 coupling process Methods 0.000 claims abstract description 12
- 238000005859 coupling reaction Methods 0.000 claims abstract description 12
- 239000000203 mixture Substances 0.000 claims abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000012528 membrane Substances 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a kind of double-action pneumatic actuator, comprise support, pointer, valve shaft, first actuator, coupling shaft, link and the second actuator, described pointer is arranged on valve shaft lower end, described first actuator and the second actuator rack-mount side successively, first actuator is fixedly connected with link by coupling shaft with the second actuator, described coupling shaft is fixedly connected with valve shaft with the second actuator through the first actuator, first actuator is identical with second actuator's structure, by dismountable upper mould cover, lower die cap, diaphragm and two groups of spring compositions, two groups of springs are symmetricly set between upper mould cover and diaphragm.The utility model is Zai Jieyige actuator on the basis of former pneumatic actuator, and implementation capacity about doubles, simple and compact for structure, lightweight, easy to use, low cost of manufacture, for ease of maintenaince.
Description
Technical field
The utility model relates to valve technology field, particularly relates to a kind of double-action pneumatic actuator.
Background technique
The execution architecture of pneumatic control valve and film head, generally include membrane cover, lower membrane cover, between upper membrane cover and lower membrane cover, be provided with diaphragm, between diaphragm and lower membrane cover, be provided with spring, push rod upper end is connected with diaphragm, lower end passes lower membrane cover center, and push rod lower end is connected with valve rod upper end, and film head is by stent support, pedestal lower end is connected with valve gap, upper membrane cover offers suction port, allows air pressure enter between diaphragm and upper membrane cover, promotion push rod is moved downward.
Existing pneumatic actuator generally only has one, and in the actuator used for High Pressure Difference or large bore valves, require very large torque, and installing space is limited, wishes that structure comparison is compact, existing pneumatic actuator can not satisfy the demands.
Summary of the invention
For the problems referred to above, the utility model provides a kind of simple and compact for structure, lightweight, easy to use, low cost of manufacture, double-action pneumatic actuator for ease of maintenaince.
For solving the problems of the technologies described above, the technological scheme that the utility model adopts is: a kind of double-action pneumatic actuator, comprise support, pointer, valve shaft, first actuator, coupling shaft, link and the second actuator, described pointer is arranged on valve shaft lower end, described first actuator and the second actuator rack-mount side successively, first actuator is fixedly connected with link by coupling shaft with the second actuator, described coupling shaft is fixedly connected with valve shaft with the second actuator through the first actuator, first actuator is identical with second actuator's structure, by dismountable upper mould cover, lower die cap, diaphragm and two groups of spring compositions, two groups of springs are symmetricly set between upper mould cover and diaphragm.
Further, described support is provided with the calibrated scale corresponding with pointer.
From the above-mentioned description to the utility model structure, compared to the prior art, the utility model tool has the following advantages:
The utility model is Zai Jieyige actuator on the basis of former pneumatic actuator, and implementation capacity about doubles, simple and compact for structure, lightweight, easy to use, low cost of manufacture, for ease of maintenaince.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of a kind of double-action pneumatic actuator of the utility model.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment
With reference to figure 1, a kind of double-action pneumatic actuator, comprise support 1, pointer 2, valve shaft 3, first actuator 4, coupling shaft 5, link 6 and the second actuator 7, described pointer 2 is arranged on valve shaft 3 lower end, described first actuator 4 and the second actuator 7 are arranged on above support 1 successively, first actuator 4 is fixedly connected with link 6 by coupling shaft 5 with the second actuator 7, described coupling shaft 5 is fixedly connected with valve shaft 3 with the second actuator 7 through the first actuator 4, first actuator 4 is identical with the second actuator 7 structure, by dismountable upper mould cover 8, lower die cap 9, diaphragm 10 and two groups of springs 11 form, two groups of springs 11 are symmetricly set between upper mould cover 8 and diaphragm 10.
Described support 1 is provided with the calibrated scale 12 corresponding with pointer 2, is convenient to control the upper and lower movement travel of valve shaft.
The utility model is Zai Jieyige actuator on the basis of former pneumatic actuator, and implementation capacity about doubles, simple and compact for structure, lightweight, easy to use, low cost of manufacture, for ease of maintenaince.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (2)
1. a double-action pneumatic actuator, it is characterized in that: comprise support (1), pointer (2), valve shaft (3), first actuator (4), coupling shaft (5), link (6) and the second actuator (7), described pointer (2) is arranged on valve shaft (3) lower end, described first actuator (4) and the second actuator (7) are arranged on support (1) top successively, first actuator (4) is fixedly connected with link (6) by coupling shaft (5) with the second actuator (7), described coupling shaft (5) is fixedly connected with valve shaft (3) with the second actuator (7) through the first actuator (4), first actuator (4) is identical with the second actuator (7) structure, by dismountable upper mould cover (8), lower die cap (9), diaphragm (10) and two groups of spring (11) compositions, two groups of springs (11) are symmetricly set between upper mould cover (8) and diaphragm (10).
2. a kind of double-action pneumatic actuator according to claim 1, is characterized in that: described support (1) is provided with the calibrated scale (12) corresponding with pointer (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420645746.3U CN204226811U (en) | 2014-11-03 | 2014-11-03 | A kind of double-action pneumatic actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420645746.3U CN204226811U (en) | 2014-11-03 | 2014-11-03 | A kind of double-action pneumatic actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204226811U true CN204226811U (en) | 2015-03-25 |
Family
ID=52924908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420645746.3U Expired - Fee Related CN204226811U (en) | 2014-11-03 | 2014-11-03 | A kind of double-action pneumatic actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204226811U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641406A (en) * | 2016-12-06 | 2017-05-10 | 常熟市虞菱机械有限责任公司 | Sandwich valve pneumatic drive device |
| CN111795193A (en) * | 2020-07-22 | 2020-10-20 | 孔令香 | High-stability self-operated pressure regulating valve |
-
2014
- 2014-11-03 CN CN201420645746.3U patent/CN204226811U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641406A (en) * | 2016-12-06 | 2017-05-10 | 常熟市虞菱机械有限责任公司 | Sandwich valve pneumatic drive device |
| CN111795193A (en) * | 2020-07-22 | 2020-10-20 | 孔令香 | High-stability self-operated pressure regulating valve |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150325 |