CN203363378U - Double-acting high-pressure pneumatic device - Google Patents
Double-acting high-pressure pneumatic device Download PDFInfo
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- CN203363378U CN203363378U CN 201320388773 CN201320388773U CN203363378U CN 203363378 U CN203363378 U CN 203363378U CN 201320388773 CN201320388773 CN 201320388773 CN 201320388773 U CN201320388773 U CN 201320388773U CN 203363378 U CN203363378 U CN 203363378U
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- air cylinder
- double
- piston
- pneumatic
- pneumatic device
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Abstract
The utility model discloses a double-acting high-pressure pneumatic device which comprises an air cylinder body, end covers arranged on the two sides of the air cylinder body, and two pneumatic device bodies arranged symmetrically. A sealing cavity is formed between the end covers and the air cylinder body. The two pneumatic device bodies are both installed in the sealing cavity. Each pneumatic device body comprises a piston, a rack and an air cylinder shaft, wherein the piston slides freely in the sealing cavity, the rack is arranged on the end portion of the piston, the air cylinder shaft penetrates through the air cylinder body, and a plurality of gears are arranged on the air cylinder shaft. The pistons are meshed and connected with the air cylinder shafts through the gears and the racks, and the pistons move to drive the air cylinder shafts to rotate. The double-acting high-pressure pneumatic device further comprises a first pneumatic joint and a second pneumatic joint, wherein the first pneumatic joint and the second pneumatic joint are arranged on the air cylinder body and are connected with the sealing cavity through airflow channels. The double-acting high-pressure pneumatic device is mainly suitable for valves which are opened and closed through rotation, such as ball valves, butterfly valves and plug valves, the linear motion of the pistons are converted to the 90-degree reciprocating and rotating motion of the air cylinder shafts, and therefore the double-acting high-pressure pneumatic device has the advantages of being convenient to dismount, low in maintenance cost, long in service life, and the like; in addition, sealing materials can be replaced.
Description
Technical field
The utility model relates to the valve opening device, is specifically related to the double-acting high-pressure Pneumatic actuator.
Background technique
Ball valve is defined as in standard GB/T21465-2008 " valve term ": open-shut device (spheroid) is driven by valve rod, and the valve rotated around the axis of valve rod.Be mainly used in blocking or connecting the medium in pipeline, also can be used for adjusting and the control of fluid.
In big machinery, the valve rod heaviness of ball valve, artificial rotation valve rod effort and length consuming time, effectively rotation valve rod.
The model utility content
The technical problems to be solved in the utility model is to provide the double-acting high-pressure Pneumatic actuator, mainly be applicable to ball valve, butterfly valve and stopcock etc. are by the valve of rotary opening and closing class, by the piston linear conversion of motion, be 90 ° of round rotatablely moving of cylinder axis, there is convenient disassembly, sealing material is replaceable, and maintenance expenses is hanged down characteristics such as reaching long service life.
For achieving the above object, the technical solution of the utility model is as follows:
The double-acting high-pressure Pneumatic actuator comprises:
One cylinder block,
One arranges the end cap of cylinder block both sides, and described end cap and cylinder block form a Seal cage,
One symmetrically arranged two Pneumatic actuator, all be installed in Seal cage, and described Pneumatic actuator comprises a piston be free to slide in Seal cage, and described pistons end arranges tooth bar,
The cylinder axis of consistent ventilation cylinder body, be provided with some gears on described cylinder axis, described piston is connected by rack and pinion engagement with cylinder axis, and piston movement drives cylinder axis and rotates,
Also comprise that one arranges the first pneumatic joint and the second pneumatic joint on cylinder block, described the first pneumatic joint all is connected Seal cage with the second pneumatic joint by air-flow path.
In a preferred embodiment of the present utility model, described end cap one side arranges an adjusting bolt, and described adjusting bolt is goed deep in Seal cage, the distance of regulating piston and end cap.
In a preferred embodiment of the present utility model, described adjusting bolt and end cap joint and piston and Seal cage slip place are provided with seal ring.
By technique scheme, the beneficial effects of the utility model are:
1) adopt double-piston, improved stability and the output torque of cylinder axis;
2) be furnished with adjusting bolt on end cap, the angle of swing of energy adjusting cylinders axle, guarantee that cylinder axis rotates freely in predetermined range;
3) adopt highpressure to drive, improve the output torque of cylinder axis, can better meet the pneumatic class valve of large torque;
4) seal ring adopts imported materials, has improved the sealability of cylinder, makes the longer service life of cylinder;
5) seal ring is replaceable, dismantles more conveniently, and maintenance cost is low.
The accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is sectional view of the present utility model.
Fig. 2 is left view of the present utility model.
Fig. 3 is a kind of working state figure of the present utility model.
Fig. 4 is another kind of working state figure of the present utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
See figures.1.and.2, the double-acting high-pressure Pneumatic actuator comprises:
One cylinder block 101,
One arranges the end cap 102 of cylinder block 101 both sides, and described end cap 102 is fixed on cylinder block 101 by mounting screw 106,
Described end cap 102 forms a Seal cage 103 with cylinder block 101,
One symmetrically arranged two Pneumatic actuator, all be installed in Seal cage 103, and described Pneumatic actuator comprises that one at the piston 201 be free to slide in Seal cage, and described piston 201 ends arrange tooth bar 202,
The cylinder axis 301 of consistent ventilation cylinder body 101, be provided with some gears 302 on described cylinder axis 301, described piston 201 is connected by rack and pinion engagement with cylinder axis 301, piston 201 Sports band dynamic air cylinder axles 301 rotate, by the piston linear conversion of motion, be 90 ° of round rotatablely moving of cylinder axis, and two pistons of end cap both sides move simultaneously, improved stability and the output torque of cylinder axis
Also comprise that one arranges the first pneumatic joint 401 and the second pneumatic joint 402 on cylinder block, connecting plate is fixedly connected with the first pneumatic joint 401 with the second pneumatic joint 402,
Described the first pneumatic joint 401 all is connected Seal cage 103 with the second pneumatic joint 402 by air-flow path,
In a preferred embodiment of the present utility model, described end cap 102 1 sides arrange an adjusting bolt 104, and described adjusting bolt 104 is goed deep in Seal cage, the angle of swing of adjusting cylinders axle; Distance by locking nut 105 regulating pistons 201 on installation end cap 102 with end cap 102, guarantee that cylinder axis rotates freely in predetermined range;
In a preferred embodiment of the present utility model, described adjusting bolt 104 is provided with seal ring 501 with end cap 102 joints and piston 201 with Seal cage 103 slips place, seal ring adopts imported materials, and the high sealability of cylinder makes the longer service life of cylinder; Seal ring is replaceable, dismantles more conveniently, and maintenance cost is low.
Working principle of the present utility model:
When source of the gas, during by the first pneumatic joint (as shown in Figure 3) air inlet, the second pneumatic joint is exhaust.Under the effect of bleed pressure, two rack pistons are made traveling priority to the end cap two ends respectively, as shown in Fig. 3 arrow, for counterclockwise rotation by the tooth bar on piston and the gear driven cylinder axis on cylinder axis.Complete once running action during to the adjusting bolt end face when the rack piston end contact.
When source of the gas, during by the second pneumatic joint air inlet, the first pneumatic joint is exhaust.Under the effect of bleed pressure, two rack pistons are made traveling priority to the cylinder axis center respectively, as shown in Fig. 4 arrow, by the tooth bar on piston and the gear driven cylinder axis on cylinder axis, rotate clockwise, until shown in two rack pistons contact.Now completing once complete (keying) running that comes and goes moves.
In like manner, source of the gas by the first pneumatic joint, II air inlet, carries out repeatedly switching motion respectively.
Above demonstration and described basic principle of the present utility model and 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; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. double-acting high-pressure Pneumatic actuator comprises:
One cylinder block,
One arranges the end cap of cylinder block both sides, and described end cap and cylinder block form a Seal cage,
One symmetrically arranged two Pneumatic actuator, all be installed in Seal cage, and described Pneumatic actuator comprises a piston be free to slide in Seal cage, and described pistons end arranges tooth bar,
The cylinder axis of consistent ventilation cylinder body, be provided with some gears on described cylinder axis, described piston is connected by rack and pinion engagement with cylinder axis, and piston movement drives cylinder axis and rotates,
Also comprise that one arranges the first pneumatic joint and the second pneumatic joint on cylinder block, described the first pneumatic joint all is connected Seal cage with the second pneumatic joint by air-flow path.
2. double-acting high-pressure Pneumatic actuator according to claim 1, it is characterized in that: described end cap one side arranges an adjusting bolt, and described adjusting bolt is goed deep in Seal cage, the distance of regulating piston and end cap.
3. double-acting high-pressure Pneumatic actuator according to claim 2, it is characterized in that: described adjusting bolt and end cap joint and piston and Seal cage slip place are provided with seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320388773 CN203363378U (en) | 2013-07-02 | 2013-07-02 | Double-acting high-pressure pneumatic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320388773 CN203363378U (en) | 2013-07-02 | 2013-07-02 | Double-acting high-pressure pneumatic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203363378U true CN203363378U (en) | 2013-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320388773 Expired - Fee Related CN203363378U (en) | 2013-07-02 | 2013-07-02 | Double-acting high-pressure pneumatic device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203363378U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333208A (en) * | 2015-10-26 | 2016-02-17 | 无锡市圣科不锈钢气动自控阀门厂 | Stainless steel pneumatic control valve |
| CN110131379A (en) * | 2019-06-05 | 2019-08-16 | 儒拉玛特自动化技术(苏州)有限公司 | A kind of rotary motion driving device |
| CN110440048A (en) * | 2019-09-05 | 2019-11-12 | 上海巨良阀门集团有限公司 | Total travel adjusts pneumatic operated valve |
| CN110529453A (en) * | 2019-08-13 | 2019-12-03 | 温州奥玛自控设备制造有限公司 | Angle stroke and Direct Travel mechanical actuating mechanism |
-
2013
- 2013-07-02 CN CN 201320388773 patent/CN203363378U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333208A (en) * | 2015-10-26 | 2016-02-17 | 无锡市圣科不锈钢气动自控阀门厂 | Stainless steel pneumatic control valve |
| CN110131379A (en) * | 2019-06-05 | 2019-08-16 | 儒拉玛特自动化技术(苏州)有限公司 | A kind of rotary motion driving device |
| CN110529453A (en) * | 2019-08-13 | 2019-12-03 | 温州奥玛自控设备制造有限公司 | Angle stroke and Direct Travel mechanical actuating mechanism |
| CN110440048A (en) * | 2019-09-05 | 2019-11-12 | 上海巨良阀门集团有限公司 | Total travel adjusts pneumatic operated 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: 20131225 |