CN203348687U - Pneumatic valve controller - Google Patents
Pneumatic valve controller Download PDFInfo
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- CN203348687U CN203348687U CN 201320333047 CN201320333047U CN203348687U CN 203348687 U CN203348687 U CN 203348687U CN 201320333047 CN201320333047 CN 201320333047 CN 201320333047 U CN201320333047 U CN 201320333047U CN 203348687 U CN203348687 U CN 203348687U
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- pneumatic
- valve
- pneumatic valve
- controller
- limit controller
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Abstract
The utility model relates to a pneumatic valve controller which is designed for solving the technical problem that existing products of the same type are not applicable to pneumatic motor valve executors. A pneumatic executor of the pneumatic valve controller is a pneumatic motor valve executor. The pneumatic valve controller is characterized in that a lead screw of a control core inside a limiting controller shell is sleeved with a lead screw nut, a gear transmission shaft of the lead screw is coupled with a gear of the pneumatic executor, a second pneumatic valve is respectively arranged on the two sides of the T-shaped lead screw nut along the two ends of the T-shaped lead screw nut, the second pneumatic valves are respectively and symmetrically arranged in a mirroring mode, and the lead screw nut is arranged between the actuating ends of the two pneumatic valves; pneumatic outlets of the second pneumatic valves are connected with second air inlets of first pneumatic valves, pneumatic inlets of the second pneumatic valves are connected with an air inlet of a limiting controller through a three-way part, the three-way part is connected with the air inlets of the first pneumatic valves, air outlets of the first pneumatic valves are connected with an air outlet of the limiting controller, and the first pneumatic valves are symmetrically arranged on the two sides of the second pneumatic valves.
Description
Technical field
The utility model relates to the pneumatic actuator accessory, is a kind of pneumatic valve controller.
Background technique
The actuator of pneumatic actuator and controlling mechanism are unified integral body, according to its actuator's structure difference, are divided into: diaphragm type, piston type, fork type and pinion and-rack.This type of pneumatic actuator generally is provided with man-operated mechanism, limit switch, solenoid valve, filtering pressure reducing valve, silencing apparatus, and be connected with pipeline by butterfly valve, thereby automatically complete unlatching or the closing operation of butterfly valve to pipeline by pneumatic actuator, the switch of pneumatic actuator is realized by the solenoid-driven limit switch.Its working principle is specially: when pressurized air, from the A pipe, chew while entering pneumatic actuator, the gas push gear counterclockwise rotates, and valve is opened, and the gas at Pneumatic executive valve two ends is chewed discharge with the B pipe; Otherwise, when pressurized air, from the B pipe, to chew while entering pneumatic actuator, gas push gear clockwise direction rotates, and valve is closed, and the gas in the middle of pneumatic actuator is chewed discharge with the A pipe.This type of pneumatic actuator and valve body structure, as the application number 201020302655.1 disclosed in Chinese patent literature, notice of authorization day 2011.02.02, model utility title " electric/pneumatic gate valve ", this electric/pneumatic gate valve comprises valve body, valve plate, valve rod, mechanical limit switch, pneumatic actuator, electric actuator; It is characterized in that: be provided with the wear-resistant seal cover in described valve body, in the wear-resistant seal cover, the graphite packing is symmetricly set on the valve plate both sides, and described valve plate stuffing box packing is the graphite packing.But above-mentioned valve body controller and like product are more difficult for pneumatic motor valve final controlling element, simultaneously, its moment is spacing, the control effect is poor, the more difficult liquid lines such as oil that are applicable to the flames of anger, static environmental requirement.
Summary of the invention
For overcoming above-mentioned deficiency, the purpose of this utility model is to provide a kind of for pneumatic motor valve final controlling element to related domain, and there is the pneumatic valve controller that limit switch moment controls, make it solve existing like product structure comparatively complicated, moment is spacing, implementation effect is not good enough, the more difficult technical problem that is applicable to pneumatic motor valve final controlling element.Its objective is and be achieved through the following technical solutions.
A kind of pneumatic valve controller, the limit controller of this pneumatic valve controller is connected with the reversion pore with the forward pore of pneumatic actuator respectively by tracheae, pneumatic actuator is pneumatic motor valve final controlling element, and limit controller is provided with air outlet hole, the inlet hole of air outlet hole, inlet hole and the reversion of forward; The gearing shaft of limit controller is connected with the gear shaft of pneumatic actuator; Be that the gearing shaft of limit controller is by the gear shaft drive of pneumatic actuator, and make the gas in limit controller complete the clockwise and anticlockwise switching, thereby limit controller is realized moment execution and the control of pneumatic actuator, the execution of pneumatic actuator and control can by limit controller, for the switching mechanism in pneumatic actuator, spacing execution realizes.Be provided with the control core in the housing that its structural design main points are described limit controllers, control core and comprise the first pneumatic valve, the second pneumatic valve, pipeline, support and leading truck, the screw mandrel two ends of controlling core respectively with upper frame plate, lower frame plate connects, the body of rod cover of screw mandrel has the screw mandrel nut, in limit controller, the gearing shaft of screw mandrel is connected with the gear shaft of pneumatic actuator, described screw mandrel nut is " T " font, the both sides of " T " font screw mandrel nut are respectively equipped with the second pneumatic valve along two ends, the second pneumatic valve mirror image respectively is symmetricly set in the housing of limit controller, the actuating end of the second pneumatic valve is relative, the screw mandrel nut is arranged between the actuating end of two the second pneumatic valves, said structure is convenient to limit controller internal control coremaking assembling and is produced, and bulk handling, the screw mandrel nut drives and moves up and down by screw mandrel, and the second pneumatic valve that actuating is corresponding or stop is realized the clockwise and anticlockwise of pneumatic actuator and stops.
The pneumatic outlet of described the second pneumatic valve is connected with the second suction port of the first pneumatic valve by pipeline respectively, the pneumatic import of the second pneumatic valve is connected with the inlet hole of limit controller by pipeline, three-way joint element respectively, three-way joint element is connected with the suction port of the first pneumatic valve by pipeline, the air outlet of the first pneumatic valve is connected with the air outlet hole of limit controller by pipeline respectively, the first pneumatic valve is symmetricly set in respectively in the limit controller housing of the second pneumatic valve both sides, and the first pneumatic valve is the threeway pneumatic valve.The first pneumatic valve in said structure and the second pneumatic valve arrange respectively two groups, by one group of first pneumatic valve and the second pneumatic valve, realize the forward air inlet of pneumatic actuator, and another organizes the reversion air inlet that the first pneumatic valve and the second pneumatic valve are realized pneumatic actuator; Every group of first pneumatic valve and the second pneumatic valve of controlling in-core are respectively equipped with inlet hole and air outlet hole.
Described limit controller is arranged at the landing slab of pneumatic actuator one side, and the gearing shaft of screw mandrel is by the gear axis hole of lower frame plate, and landing slab is connected with the gear shaft of pneumatic actuator; Pneumatic actuator is provided with manual turntable, the forward pore of pneumatic actuator is connected with the air outlet hole of limit controller by silencing apparatus, pipe connector, tracheae respectively successively with the reversion pore, the air outlet hole place of limit controller is provided with pipe joint, and pipe joint communicates with the pipeline in limit controller.The structure of above-mentioned pneumatic actuator is convenient to limit controller and pneumatic actuator bulk handling, and the handling of limit controller, and pneumatic actuator has manually, noise elimination function.Being connected between the gearing shaft that the landing slab of pneumatic actuator is convenient to hide limit controller and the gear shaft of pneumatic actuator, and the setting of limit controller.
Air outlet hole, the inlet hole of described limit controller are arranged at frame plate, and the end angle intersects symmetrical.Above-mentioned corresponding air outlet hole and inlet hole arranged in a crossed manner, be convenient to prevent that the turnover air pipe of limit controller from disturbing.
Be provided with needle, spool, spring in the valve body clear opening of described the second pneumatic valve, the two ends of clear opening are threaded connection set screw nut and sealing nut, clear opening communicates with the pneumatic import of the second pneumatic valve, pneumatic outlet, both ends of the spring respectively with spool, and sealing nut in capping offset, needle and spool offset by spring action; The set screw nut end of the second pneumatic valve is the actuating end, and the needle in screw mandrel nut and set screw nut offsets.The concrete structure that said structure is a kind of the second pneumatic valve, it is controlled for the break-make of carrying out the two-way pneumatic valve.
The inner ring frustum face of the shank end of described needle and spool offsets, the other end of needle is provided with the symmetrical double flute that convex tendon is separated, the shank of described needle is relative with the pneumatic outlet of valve body, be respectively equipped with seal ring in two seal grooves of the other end of spool, the inner ring frustum section of spool is relative with the pneumatic import of valve body.The needle of above-mentioned concrete structure and spool, and sealing nut and set screw nut, be convenient to the handling of this pneumatic valve, and its aerodynamic stability and Security are better, is applicable to stronger high-pressure air source.
According to said structure, also can described capping and sealing nut be connected as a single entity.
The utility model reasonable in design, used, easy to loading and unloading, and stability, Security are good, and moment is spacing, implementation effect good; Be applicable to pneumatic motor valve final controlling element, the final controlling element in the liquid lines such as oil of the flames of anger, static environmental requirement especially arranged, ex hoc genus anne product and with the architecture advances of quasi-controller.
The accompanying drawing explanation
Fig. 1 is use status architecture schematic diagram of the present utility model.
Fig. 2 is control core side-looking structural representation of the present utility model.
Fig. 3 is control core perspective view of the present utility model.
Fig. 4 is the part-structure schematic diagram of Fig. 3.
Fig. 5 is mechanical valve perspective view of the present utility model.
Fig. 6 is mechanical valve blast structural representation of the present utility model.
In figure, the name of sequence number is called: 1, limit controller, 101, pipe joint, 2, pneumatic actuator, 201, manual turntable, 202, landing slab, 3, tracheae, 4, pipe connector, 5, silencing apparatus, 6, control core, 7, upper frame plate, 8, three-way joint element, 9, the screw mandrel nut, 10, screw mandrel, 1001, the gear axis hole, the 11, first pneumatic valve, 12, the second pneumatic valve, 1201, set screw nut, 1202, needle, 1203, valve body, 1204, spool, 1205, spring, 1206, capping, 1207, sealing nut, 13, lower frame plate, 14, pipeline.
Embodiment
Now by reference to the accompanying drawings, the utility model is further described.As shown in Fig. 1～4, this pneumatic valve controller comprises limit controller 1 and pneumatic actuator 2, the pipe joint 101 of limit controller is connected with the reversion pore with the forward pore of pneumatic actuator respectively by tracheae 3, and the forward pore of pneumatic actuator and reversion pore are provided with silencing apparatus 5, pipe connector 4; Pneumatic actuator is pneumatic motor valve final controlling element, limit controller is arranged at the landing slab 202 of pneumatic actuator one side, in limit controller, the gearing shaft of screw mandrel 10 passes through the gear axis hole 1001 of lower frame plate 13, and landing slab is connected with the gear shaft of pneumatic actuator; Pneumatic actuator is provided with manual turntable 201.Limit controller is provided with air outlet hole, the inlet hole of air outlet hole, inlet hole and the reversion of forward, and above-mentioned air outlet hole, inlet hole are arranged at frame plate 7, and the end angle intersects symmetrical; Pipe joint communicates with the pipeline in limit controller.
Be provided with in the housing of limit controller and control core 6, control core and comprise the first pneumatic valve 11, the second pneumatic valve 12, pipeline 14, support and leading truck, the screw mandrel two ends of controlling core are connected with upper frame plate 7, lower frame plate respectively, the body of rod cover of screw mandrel has screw mandrel nut 9, described screw mandrel nut is " T " font, the both sides of " T " font screw mandrel nut are respectively equipped with the second pneumatic valve along two ends, the second pneumatic valve mirror image respectively is symmetricly set in the housing of limit controller, the actuating end of the second pneumatic valve is relative, and the screw mandrel nut is arranged between the actuating end of two the second pneumatic valves.The pneumatic outlet of the second pneumatic valve is connected with the second suction port of the first pneumatic valve by pipeline 14 respectively, the pneumatic import of the second pneumatic valve is connected with the inlet hole of limit controller by pipeline, three-way joint element respectively, three-way joint element is connected with the suction port of the first pneumatic valve by pipeline, the air outlet of the first pneumatic valve is connected with the air outlet hole of limit controller by pipeline respectively, the first pneumatic valve is symmetricly set in respectively in the limit controller housing of the second pneumatic valve both sides, and the first pneumatic valve is the threeway pneumatic valve.
As shown in Figure 5, Figure 6, be provided with needle 1202, spool 1204, spring 1205 in valve body 1203 clear openings of the second pneumatic valve, the two ends of clear opening are threaded connection set screw nut 1201 and sealing nut 1207, clear opening communicates with the pneumatic import of the second pneumatic valve, pneumatic outlet, both ends of the spring respectively with spool, and sealing nut in capping 1206 offset, needle and spool offset by spring action; The set screw nut end of the second pneumatic valve is the actuating end, and the needle in screw mandrel nut and set screw nut offsets.The inner ring frustum face of the shank end of needle and spool offsets, the other end of needle is provided with the symmetrical double flute that convex tendon is separated, the shank of described needle is relative with the pneumatic outlet of valve body, be respectively equipped with seal ring in two seal grooves of the other end of spool, the inner ring frustum section of spool is relative with the pneumatic import of valve body.
As shown in Figure 1, the working principle of this pneumatic valve controller is: the forward of limit controller, the reversion inlet hole is connected with air supply source by pipe joint, when air supply source realizes that by diverter switch wherein a road air-source inflow is to limit controller, the screw mandrel nut that the gear shaft of pneumatic actuator drives on screw mandrel by the screw gear transmission shaft moves up and down, realize the control core actuating in limit controller, thereby realize the forward of limit controller, the reversion air inlet, drive valve in pneumatic actuator and realize forward, reversion, realize that the source of the gas zone of pressure final controlling element of taking offence automatically closes and open, simultaneously, the valve of pneumatic actuator is by manual turntable manual-lock and unlatching.
As shown in Fig. 2～4, control core working principle in limit controller is: the screw mandrel of controlling in-core drives the screw mandrel nut by gearing shaft and moves, and to the actuating end of driving one of them the second pneumatic valve, control one group of first pneumatic valve of core and the second pneumatic valve and drive by pipeline the forward inlet hole that source of the gas moment is supplied to pneumatic actuator, be that source of the gas passes through first pneumatic valve and the second pneumatic valve air inlet of three-way joint element while to correspondence, thereby the wherein interior actuating of one second pneumatic valve of corresponding driving, and then drive the forward or reverse of corresponding the first pneumatic valve to give vent to anger; Now, the screw mandrel nut needle in the second air-operated valve that offsets, valve body inner spring generation deformation, passage in valve body is opened, source of the gas is back to the first pneumatic valve by the second pneumatic valve, and the first pneumatic valve cuts out, and source of the gas is discharged limit controller by the first pneumatic valve.When the actuating of screw mandrel nut, to the other end, spring drives needle by spool and resets, and the valve body internal channel of the second pneumatic valve is closed; Another is organized the first pneumatic valve and the second pneumatic valve and drives by pipeline the reversion inlet hole that source of the gas moment is supplied to pneumatic actuator according to above-mentioned identical principle, i.e. actuating switching between two group of first pneumatic valve and the second pneumatic valve carry out by the screw mandrel nut on screw mandrel move up and down actuating wherein the actuating end of one group of second pneumatic valve realize.And work as the screw mandrel nut between the actuating end of two the second pneumatic valves, while not offseting with one of them second pneumatic valve, the clockwise and anticlockwise of pneumatic actuator stops.
Claims (5)
1. a pneumatic valve controller, the limit controller of this controller (1) is connected with the reversion pore with the forward pore of pneumatic actuator (2) respectively by tracheae (3), pneumatic actuator is pneumatic motor valve final controlling element, and limit controller is provided with air outlet hole, the inlet hole of air outlet hole, inlet hole and the reversion of forward, the gearing shaft of limit controller is connected with the gear shaft of pneumatic actuator, it is characterized in that in the housing of described limit controller (1) being provided with and control core (6), control core and comprise the first pneumatic valve (11), the second pneumatic valve (12), pipeline (14), support and leading truck, screw mandrel (10) two ends of controlling core respectively with upper frame plate (7), lower frame plate (13) connects, the body of rod cover of screw mandrel has screw mandrel nut (9), in limit controller, the gearing shaft of screw mandrel is connected with the gear shaft of pneumatic actuator, described screw mandrel nut is " T " font, the both sides of " T " font screw mandrel nut are respectively equipped with the second pneumatic valve along two ends, the second pneumatic valve mirror image respectively is symmetricly set in the housing of limit controller, the actuating end of the second pneumatic valve is relative, the screw mandrel nut is arranged between the actuating end of two the second pneumatic valves,
The pneumatic outlet of described the second pneumatic valve is connected with the second suction port of the first pneumatic valve by pipeline (14) respectively, the pneumatic import of the second pneumatic valve is connected with the inlet hole of limit controller by pipeline, three-way joint element (8) respectively, three-way joint element is connected with the suction port of the first pneumatic valve by pipeline, the air outlet of the first pneumatic valve is connected with the air outlet hole of limit controller by pipeline respectively, the first pneumatic valve is symmetricly set in respectively in the limit controller housing of the second pneumatic valve both sides, and the first pneumatic valve is the threeway pneumatic valve.
2. pneumatic valve controller according to claim 1, it is characterized in that described limit controller (1) is arranged at the landing slab (202) of pneumatic actuator (2) one sides, the gearing shaft of screw mandrel (10) is by the gear axis hole (1001) of lower frame plate (13), and landing slab is connected with the gear shaft of pneumatic actuator; Pneumatic actuator is provided with manual turntable (201), the forward pore of pneumatic actuator is connected with the air outlet hole of limit controller by silencing apparatus (5), pipe connector (4), tracheae (3) respectively successively with the reversion pore, the air outlet hole place of limit controller is provided with pipe joint (101), and pipe joint communicates with the pipeline (14) in limit controller.
3. pneumatic valve controller according to claim 1, is characterized in that air outlet hole, the inlet hole of described limit controller (1) is arranged at frame plate (7), and the end angle intersects symmetrical.
4. pneumatic valve controller according to claim 1, it is characterized in that being provided with needle (1202), spool (1204), spring (1205) in valve body (1203) clear opening of described the second pneumatic valve (12), the two ends of clear opening are threaded connection set screw nut (1201) and sealing nut (1207), clear opening communicates with the pneumatic import of the second pneumatic valve, pneumatic outlet, both ends of the spring respectively with spool, and sealing nut in capping (1206) offset, needle and spool offset by spring action; The set screw nut end of the second pneumatic valve is the actuating end, and the needle in screw mandrel nut and set screw nut offsets.
5. pneumatic valve controller according to claim 4, it is characterized in that the shank end of described needle (1202) and the inner ring frustum face of spool (1204) offset, the other end of needle is provided with the symmetrical double flute that convex tendon is separated, the shank of described needle is relative with the pneumatic outlet of valve body (1203), be respectively equipped with seal ring in two seal grooves of the other end of spool, the inner ring frustum section of spool is relative with the pneumatic import of valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320333047 CN203348687U (en) | 2013-06-08 | 2013-06-08 | Pneumatic valve controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320333047 CN203348687U (en) | 2013-06-08 | 2013-06-08 | Pneumatic valve controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203348687U true CN203348687U (en) | 2013-12-18 |
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ID=49748589
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320333047 Expired - Lifetime CN203348687U (en) | 2013-06-08 | 2013-06-08 | Pneumatic valve controller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203348687U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103353007A (en) * | 2013-06-08 | 2013-10-16 | 高国平 | Pneumatic valve controller and control method thereof |
| CN104696579A (en) * | 2015-03-18 | 2015-06-10 | 安策阀门（太仓）有限公司 | Valve rotation driving device |
-
2013
- 2013-06-08 CN CN 201320333047 patent/CN203348687U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103353007A (en) * | 2013-06-08 | 2013-10-16 | 高国平 | Pneumatic valve controller and control method thereof |
| CN103353007B (en) * | 2013-06-08 | 2015-09-16 | 宁波市镇海晴鑫石化机械设备有限公司 | Pneumatic valve controller and controlling method thereof |
| CN104696579A (en) * | 2015-03-18 | 2015-06-10 | 安策阀门（太仓）有限公司 | Valve rotation driving device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131218 Effective date of abandoning: 20150916 |
|
| RGAV | Abandon patent right to avoid regrant |