CN204784988U - Pneumatic intelligent valve locator - Google Patents
Pneumatic intelligent valve locator Download PDFInfo
- Publication number
- CN204784988U CN204784988U CN201520325596.2U CN201520325596U CN204784988U CN 204784988 U CN204784988 U CN 204784988U CN 201520325596 U CN201520325596 U CN 201520325596U CN 204784988 U CN204784988 U CN 204784988U
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- CN
- China
- Prior art keywords
- pneumatic
- montant
- lever
- pressure signal
- input device
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Abstract
The utility model relates to a pneumatic intelligent valve locator, the characteristics of have simple structure, adjusting convenient to use. It includes pneumatic amplifier, pneumatic film governing valve, pressure signal input device, lever, montant, pivot and eccentric cam, parallel in vertical direction when lever and montant are failure to actuate, the upper end is connected with pressure signal input device, and the lower extreme of lower extreme and montant passes through elastomeric element to be connected, and the lower extreme of lever still is provided with the baffle, and this baffle corresponds with the position of nozzle, be provided with the gyro wheel on the montant, bearing fit is passed through at the pivot both ends, and the fixedly connected with pendulum rod just with the gyro wheel cooperation, is gone back to the eccentric cam suit in the pivot in this pivot, the pneumatic film governing valve is provided with the piston rod, is provided with the clamp plate in the lower part of this piston rod, and the pendulum rod is pushed down to the lower surface of this clamp plate. The utility model discloses a pneumatic intelligent valve locator can realize intelligent automatically regulated according to pressure incoming signal's transform, the characteristics of have simple structure, adjusting convenient to use.
Description
Technical field
The utility model relates to valving, particularly a kind of structure simple, regulate pneumatic intelligent valve positioner easy to use.
Background technique
Pneumatic intelligent regulating valve be on pneumatic actuator, with the addition of positioning work piece, two-position-five-way solenoid valve supports the use, and when needs are to rate-of flow regulable control, can carry out the adjustment of flow in the weak electric signal example such as 4 ~ 20mA on positioning work piece.Due to adjustment type valve, valve rod mediates the stage, can have an impact for flow resistance, valve rod is in the long-time medium state that soaks to selecting stainless steel or good material when some high pressure, corrosive fluid medium, avoids shining into valve rod distortion or the corrosion imagination.Pneumatic valve, when air pressure is not enough, pneumaticly just cannot carry out effective switch control rule, as required should to add manual annex in higher engineering or dangerous system.The most complex structure of existing positioning work piece, regulates inconvenient.
Model utility content
Technical problem to be solved in the utility model is: provide a kind of structure simple, regulate pneumatic intelligent valve positioner easy to use.
The utility model solves technological scheme that its technical problem adopts: pneumatic intelligent valve positioner, comprises pneumatic amplifier, pneumatic diaphragm control valve, pressure signal input device, lever, montant, rotating shaft and eccentric cam; Described pneumatic amplifier is provided with source of the gas entry port and nozzle, this pneumatic amplifier is also communicated with pneumatic diaphragm control valve by pipeline; It is parallel at vertical direction when described lever is failure to actuate with montant, described its intermediate part arranges hinged support, upper end is connected with pressure signal input device, lower end is connected by elastic member with the lower end of montant, the upper end thereof of this montant is fixed, the lower end of described lever is also provided with baffle plate, and this baffle plate is corresponding with the position of nozzle; Montant is provided with roller, and described rotating shaft two ends are by bearing fit, and eccentric cam is sleeved in this rotating shaft, and coordinates with roller, and rotating shaft is also fixedly connected with fork; Described pneumatic diaphragm control valve is provided with piston rod, and the bottom of this piston rod is provided with pressing plate, and the lower surface of this pressing plate pushes down fork.
Described pressure signal input device comprise pressure signal inlet opening and and the elastic bellows that is attached thereto, this elastic bellows is connected with the upper end of lever.
Described elastic member is spring.
The spacing hole for preventing piston rod from departing from vertical position is also provided with below pneumatic diaphragm control valve.
The beneficial effects of the utility model are: pneumatic intelligent valve positioner of the present utility model, by the cooperation of pneumatic amplifier, pneumatic diaphragm control valve, pressure signal input device, lever, montant, rotating shaft and eccentric cam etc., conversion according to pressure input signals can realize intelligent automatic regulated, have structure simple, regulate feature easy to use.Due to described pressure signal input device comprise pressure signal inlet opening and and the elastic bellows that is attached thereto, this elastic bellows is connected with the upper end of lever, can accept easily and converted pressure signal.Owing to being also provided with the spacing hole for preventing piston rod from departing from vertical position below pneumatic diaphragm control valve, piston rod is prevented to offset.
Accompanying drawing explanation
Fig. 1 is the structural representation of pneumatic intelligent valve positioner of the present utility model;
In figure, 1-pneumatic amplifier, 2-source of the gas entry port, 3-nozzle, 4-baffle plate, 5-spring, 6-rotating shaft, 7-spacing hole, 8-pipeline, 9-fork, 10-pressing plate, 11-pneumatic diaphragm control valve, 12-montant, 13-rotating shaft, 14-eccentric cam, 15-elastic bellows, 16-pressure signal inlet opening, 17-lever.
Embodiment
Below in conjunction with accompanying drawing, the utility model will be further described, but protection domain of the present utility model is not limited to the following stated.
As shown in Figure 1, pneumatic intelligent valve positioner of the present utility model, comprises pneumatic amplifier 1, pneumatic diaphragm control valve 11, pressure signal input device, lever 17, montant 12, rotating shaft 6 and eccentric cam 14; Described pneumatic amplifier 1 is provided with source of the gas entry port 2 and nozzle 3, this pneumatic amplifier 1 is also communicated with pneumatic diaphragm control valve 11 by pipeline 8; It is parallel at vertical direction when described lever 17 is failure to actuate with montant 12, in the middle part of described lever 17, hinged support is set, upper end is connected with pressure signal input device, lower end is connected by elastic member with the lower end of montant 12, the upper end thereof of this montant 12 is fixed, the lower end of described lever 17 is also provided with baffle plate 4, and this baffle plate 4 is corresponding with the position of nozzle 3; Montant 12 is provided with roller 13, and described rotating shaft 6 two ends are by bearing fit, and eccentric cam 14 is sleeved in this rotating shaft 6, and coordinates with roller 13, and rotating shaft 6 is also fixedly connected with fork 9; Described pneumatic diaphragm control valve 11 is provided with piston rod, and the bottom of this piston rod is provided with pressing plate 10, and the lower surface of this pressing plate 10 pushes down fork 9.Pneumatic intelligent valve positioner of the present utility model, by the cooperation of pneumatic amplifier 1, pneumatic diaphragm control valve 22, pressure signal input device, lever 17, montant 12, rotating shaft 6 and eccentric cam 14 etc., conversion according to pressure input signals can realize intelligent automatic regulated, have structure simple, regulate feature easy to use.During use, pressure signal input device input air pressure signal, lever 17 is made to start around fulcrum, impel the baffle plate 4 of lever 17 lower end near nozzle, make pneumatic amplifier 1 pressure increase, air pressure in pipeline 8 increases, make pressure increase in pneumatic diaphragm control valve 11, promotion piston rod moves down, pressing plate 10 is to pressing down fork 9, eccentric cam 14 is rotated, the roller 13 also action coordinated with it, montant 12 is rotated, allow the lower end of elastic member pull lever 17, contrary with the effect of the pressure signal that pressure signal input device inputs, thus realize regulating.
As preferably, the elastic bellows 15 that described pressure signal input device comprises pressure signal inlet opening 16 and is attached thereto, this elastic bellows 15 is connected with the upper end of lever 17, can accept easily and converted pressure signal.
Described elastic member can adopt elastic cord etc., but these elastic materials are easily aging, easily damage, and therefore as preferred, described elastic member is spring 5.
As preferably, below pneumatic diaphragm control valve 11, being also provided with the spacing hole 7 for preventing piston rod from departing from vertical position, preventing piston rod to offset, improve stability.
More than show and describe basic principle of the present utility model, major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. pneumatic intelligent valve positioner, is characterized in that: comprise pneumatic amplifier (1), pneumatic diaphragm control valve (11), pressure signal input device, lever (17), montant (12), rotating shaft (6) and eccentric cam (14); Described pneumatic amplifier (1) is provided with source of the gas entry port (2) and nozzle (3), this pneumatic amplifier (1) is also communicated with pneumatic diaphragm control valve (11) by pipeline (8); It is parallel at vertical direction when described lever (17) is failure to actuate with montant (12), described lever (17) middle part arranges hinged support, upper end is connected with pressure signal input device, lower end is connected by elastic member with the lower end of montant (12), the upper end thereof of this montant (12) is fixed, the lower end of described lever (17) is also provided with baffle plate (4), and this baffle plate (4) is corresponding with the position of nozzle (3); Montant (12) is provided with roller (13), bearing fit is passed through at described rotating shaft (6) two ends, eccentric cam (14) is sleeved in this rotating shaft (6), and coordinate with roller (13), rotating shaft (6) is also fixedly connected with fork (9); Described pneumatic diaphragm control valve (11) is provided with piston rod, is provided with pressing plate (10) in the bottom of this piston rod, and the lower surface of this pressing plate (10) pushes down fork (9).
2. pneumatic intelligent valve positioner according to claim 1, it is characterized in that: described pressure signal input device comprise pressure signal inlet opening (16) and and the elastic bellows (15) that is attached thereto, this elastic bellows (15) is connected with the upper end of lever (17).
3. pneumatic intelligent valve positioner according to claim 2, is characterized in that: described elastic member is spring (5).
4. pneumatic intelligent valve positioner according to claim 3, is characterized in that: be also provided with the spacing hole (7) for preventing piston rod from departing from vertical position in pneumatic diaphragm control valve (11) below.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520325596.2U CN204784988U (en) | 2015-05-19 | 2015-05-19 | Pneumatic intelligent valve locator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520325596.2U CN204784988U (en) | 2015-05-19 | 2015-05-19 | Pneumatic intelligent valve locator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204784988U true CN204784988U (en) | 2015-11-18 |
Family
ID=54525037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520325596.2U Expired - Fee Related CN204784988U (en) | 2015-05-19 | 2015-05-19 | Pneumatic intelligent valve locator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204784988U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641327A (en) * | 2016-10-28 | 2017-05-10 | 哈尔滨理工大学 | Pneumatic valve positioner for pneumatic diaphragm control valve and positioning method |
-
2015
- 2015-05-19 CN CN201520325596.2U patent/CN204784988U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641327A (en) * | 2016-10-28 | 2017-05-10 | 哈尔滨理工大学 | Pneumatic valve positioner for pneumatic diaphragm control valve and positioning method |
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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: 20151118 Termination date: 20160519 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |