CN211779295U - Pneumatic actuator - Google Patents

Pneumatic actuator Download PDF

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Publication number
CN211779295U
CN211779295U CN202020025620.1U CN202020025620U CN211779295U CN 211779295 U CN211779295 U CN 211779295U CN 202020025620 U CN202020025620 U CN 202020025620U CN 211779295 U CN211779295 U CN 211779295U
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CN
China
Prior art keywords
spring
fixedly connected
connecting rod
pneumatic actuator
piston
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN202020025620.1U
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Chinese (zh)
Inventor
甘崇泼
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Beijing Ruihuihua Technology Development Co ltd
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Individual
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Priority to CN202020025620.1U priority Critical patent/CN211779295U/en
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Publication of CN211779295U publication Critical patent/CN211779295U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a pneumatic actuator, including the sealed storehouse body, the inside middle-end of the sealed storehouse body is inserted and is equipped with the piston, and the left end fixedly connected with of piston promotes the piece, the bottom that promotes the piece is connected with the pivot, the first spring of right-hand member fixedly connected with of the sealed storehouse body, the right-hand member fixedly connected with movable bin of first spring, and the inside in movable bin is inserted and is equipped with the push pedal, the right-hand member fixedly connected with dead lever of the sealed storehouse body, the one end that first spring was kept away from in the push pedal is connected with the connecting rod, the inside of connecting rod runs through and has pushed away the handle, the one end fixedly connected with third spring of first spring is kept. The utility model discloses a promote the push pedal and bring pressure to first spring, under pressure is exerted, regulate and control the pressure value of the internal portion in sealed storehouse, promote the back when the push pedal, when the pressure value of the internal portion in sealed storehouse is greater than the first spring and exert force, will promote the piston, through the regulation to first spring, realized the control to the pressure value.

Description

Pneumatic actuator
Technical Field
The utility model relates to a pneumatic actuator technical field specifically is a pneumatic actuator.
Background
The pneumatic actuator is an actuating device for opening and closing or regulating a valve by air pressure, is also called a pneumatic actuating mechanism or a pneumatic device, but is generally called a pneumatic head, the pneumatic actuator is sometimes provided with a certain auxiliary device, and is commonly used with a valve positioner and a hand wheel mechanism.
However, after the pneumatic actuator in the current market works, the pneumatic pressure value cannot be regulated and controlled, and the pneumatic switch can be opened when the pressure value reaches a certain pressure, but the pneumatic actuator in the current market cannot be regulated and controlled in pressure regulation and control, the applicable range is limited, and when the pressure value is not enough to open the pneumatic switch, the device cannot work.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pneumatic actuator to solve the unable problem of regulating and control of the pneumatic actuator pressure value that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a pneumatic actuator comprises a sealed cabin body, wherein a piston is inserted into the middle end inside the sealed cabin body, a pushing block is fixedly connected to the left end of the piston, a rotating shaft is connected to the bottom end of the pushing block, a first spring is fixedly connected to the right end of the sealed cabin body, a movable cabin is fixedly connected to the right end of the first spring, a pushing plate is inserted inside the movable cabin, a fixed rod is fixedly connected to the right end of the sealed cabin body, a connecting rod is connected to one end, away from the first spring, of the pushing plate, a pushing handle penetrates through the inside of the connecting rod, a third spring is fixedly connected to one end, away from the first spring, of the sealed cabin body, a base is fixedly installed at the bottom end of the sealed cabin body, a latch is fixedly connected inside the fixed rod, a connecting rod is meshed with the bottom end of the latch, a second spring is sleeved on the surface, the tail end of the rotating shaft is fixedly connected with a ball, and the back of the sealed bin body is provided with an air outlet.
Preferably, the pushing blocks are provided with two groups, the two groups of pushing blocks are identical in size and shape, and racks are fixedly mounted on contact surfaces of the pushing blocks and the rotating shaft.
Preferably, the movable bin is fixedly connected to the right end of the sealed bin body, a push plate is inserted into the movable bin, and the push plate penetrates through the movable bin and extends to the surface of the first spring.
Preferably, the size of the piston is equal to the inner diameter of the sealed cabin body, and the pistons are respectively inserted at two ends of the air outlet.
Preferably, the latch is provided with two sets, and the two sets of latch are installed respectively at the upper and lower both ends of dead lever.
Preferably, the upper end and the lower end of the connecting rod are respectively provided with a clamping block matched with the clamping teeth for use, and the clamping teeth are abutted against the clamping blocks on the connecting rod.
Compared with the prior art, the beneficial effects of the utility model are that: when the pneumatic actuator is used, pressure is brought to the first spring through the pushing of the push plate, the pressure value inside the sealing bin body is regulated and controlled under the action of pressure, after the push plate is pushed, the piston is pushed when the pressure value inside the sealing bin body is larger than the force exerted by the first spring, the control over the pressure value is realized through the adjustment of the first spring, the pressure value inside the pneumatic actuator can be adjusted according to different requirements, and the opening condition of the pneumatic switch is changed.
The device can accomplish to the internal portion of sealed storehouse and maintain through the mode of dismantling, and after long-term use, because the continuous application of force of first spring, first spring receives the damage easily, and long-term use leads to first spring to appear warping, through extracting the push pedal to change first spring, prolonged the life of device main part, reduced the expense that the change produced.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
fig. 2 is a schematic top view of the latch and the second spring according to the present invention;
FIG. 3 is a schematic side view of the present invention;
fig. 4 is a schematic view of the top view structure of the rotating shaft and the ball of the present invention.
In the figure: 1. sealing the bin body; 2. a pushing block; 3. a rotating shaft; 4. pushing the plate; 5. a connecting rod; 6. a push handle; 7. a first spring; 8. a piston; 9. an air outlet; 10. clamping teeth; 11. a second spring; 12. a connecting rod; 13. a ball; 14. a movable bin; 15. a base; 16. a third spring; 17. and (5) fixing the rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides an embodiment:
a pneumatic actuator comprises a sealed cabin body 1, a piston 8 is inserted into the middle end in the sealed cabin body 1, the left end of the piston 8 is fixedly connected with a pushing block 2, the pushing block 2 is provided with two groups, the two groups of pushing blocks 2 are the same in size and shape, a rack is fixedly arranged on the contact surface of the pushing block 2 and a rotating shaft 3, the rotating shaft 3 is driven to rotate through the transmission of the rack, the linkage between the parts of the device is realized, the rotating shaft 3 is connected with the bottom end of the pushing block 2, a first spring 7 is fixedly connected with the right end of the sealed cabin body 1, a movable cabin 14 is fixedly connected with the right end of the first spring 7, a push plate 4 is inserted into the movable cabin 14, the push plate 4 penetrates through the movable cabin 14 and extends to the surface of the first spring 7, the first spring 7 is pushed by the push plate 4, the leg first spring 7 is compressed and exerts a certain force on the first spring 7, while the first spring 7 exerts a reaction force on the piston 8.
A fixed rod 17 is fixedly connected at the right end of the sealing cabin body 1, a connecting rod 5 is connected at one end of the push plate 4 far away from the first spring 7, a push handle 6 penetrates through the inside of the connecting rod 5, a third spring 16 is fixedly connected at one end of the sealing cabin body 1 far away from the first spring 7, a base 15 is fixedly installed at the bottom end of the sealing cabin body 1, a latch 10 is fixedly connected inside the fixed rod 17, two sets of latches 10 are arranged on the latch 10, the two sets of latches 10 are respectively installed at the upper end and the lower end of the fixed rod 17, the fixing of the position of the connecting rod 5 is completed through the engagement between the latch 10 and the connecting rod 12, the connecting rod 12 is engaged at the bottom end of the latch 10, the second spring 11 is sleeved on the surface of the connecting rod 12, the connecting rod 5 is fixedly installed at the back of the connecting rod 12, clamping blocks matched with, die through the contact card, fixed link 5's position has avoided droing, the terminal fixedly connected with ball 13 of pivot 3, the through-hole has been seted up to the centre of ball 13, ball 13 is installed in the inside of gas outlet 9, the rotation of pivot 3 has driven the rotation of ball 13, and then the gas of control flows from the inside of gas outlet 9, gas outlet 9 has been seted up at the back of the sealed storehouse body 1, the size of piston 8 equals the 1 internal diameter size of the sealed storehouse body, piston 8 inserts respectively and establishes at gas outlet 9 both ends. The size is the same, avoids appearing gas leakage, has increaseed the leakproofness of device.
The working principle is as follows: when the pneumatic actuator works, the device is checked, whether the connection part of the device is leaked or not is checked, whether the connection of the device is normal or not is checked, after the check is finished, the pneumatic actuator is started to work, before the device works, a series of preparation works are carried out, after the push handle 6 is pushed, the connecting rod 5 is driven to move on the fixed rod 17, when the connecting rod 12 is driven to move in the latch 10, the connecting rod 12 pushes the clamping block on the connecting rod 12 to contact with the latch 10 to extrude the second spring 11 to contract, the position of the connecting rod 5 is limited by the matching between the latch 10 and the connecting rod 12, the first spring 7 is driven to extrude under the pushing of the connecting rod 5, the piston 8 is pushed by the reaction force generated while the first spring 7 extrudes, and the bearing point of the pressure value in the sealing cabin body 1 is increased, reach the bearing point and will promoted to promote piece 2 and move to both sides, promote the removal of piece 2 and driven the rotation of pivot 3, rotate pivot 3 and drive ball 13 and rotate, make the inside gas in the sealed cabin body 1 discharge out through gas outlet 9.
When carrying out the maintenance of device, through the dismantlement to device push pedal 4, through the shrink of extrusion connecting rod 12, dismantle device connecting rod 5, take out from the inside in movable bin 14 through extraction push pedal 4 once more, follow the trade to push pedal 4, maintain the life of device has been prolonged.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. A pneumatic actuator comprising a sealed cartridge body (1), characterized in that: a piston (8) is inserted into the middle end inside the sealing cabin body (1), a pushing block (2) is fixedly connected to the left end of the piston (8), a rotating shaft (3) is connected to the bottom end of the pushing block (2), a first spring (7) is fixedly connected to the right end of the sealing cabin body (1), a movable cabin (14) is fixedly connected to the right end of the first spring (7), a push plate (4) is inserted into the movable cabin (14), a fixing rod (17) is fixedly connected to the right end of the sealing cabin body (1), a connecting rod (5) is connected to one end, far away from the first spring (7), of the push plate (4), a push handle (6) penetrates through the inside of the connecting rod (5), a third spring (16) is fixedly connected to one end, far away from the first spring (7), of the sealing cabin body (1), and a base (15) is fixedly mounted at the bottom end of the sealing, the inside fixedly connected with latch (10) of dead lever (17), the bottom meshing of latch (10) has connecting rod (12), and the surface of connecting rod (12) has cup jointed second spring (11), the back fixed mounting of connecting rod (12) has connecting rod (5), terminal fixedly connected with ball (13) of pivot (3), gas outlet (9) have been seted up at the back of the sealed storehouse body (1).
2. A pneumatic actuator as claimed in claim 1, wherein: the two groups of the pushing blocks (2) are arranged, the two groups of the pushing blocks (2) are identical in size and shape, and racks are fixedly arranged on contact surfaces of the pushing blocks (2) and the rotating shaft (3).
3. A pneumatic actuator as claimed in claim 1, wherein: the movable bin (14) is fixedly connected to the right end of the sealed bin body (1), a push plate (4) is inserted into the movable bin (14), and the push plate (4) penetrates through the movable bin (14) and extends to the surface of the first spring (7).
4. A pneumatic actuator as claimed in claim 1, wherein: the size of the piston (8) is equal to the inner diameter of the sealed cabin body (1), and the pistons (8) are respectively inserted at two ends of the air outlet (9).
5. A pneumatic actuator as claimed in claim 1, wherein: the clamping teeth (10) are arranged in two groups, and the two groups of clamping teeth (10) are respectively arranged at the upper end and the lower end of the fixing rod (17).
6. A pneumatic actuator as claimed in claim 1, wherein: the upper end and the lower end of the connecting rod (12) are respectively provided with a clamping block matched with the clamping tooth (10) for use, and the clamping teeth (10) are abutted against the clamping block on the connecting rod (12).
CN202020025620.1U 2020-01-07 2020-01-07 Pneumatic actuator Expired - Fee Related CN211779295U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020025620.1U CN211779295U (en) 2020-01-07 2020-01-07 Pneumatic actuator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020025620.1U CN211779295U (en) 2020-01-07 2020-01-07 Pneumatic actuator

Publications (1)

Publication Number Publication Date
CN211779295U true CN211779295U (en) 2020-10-27

Family

ID=72889052

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020025620.1U Expired - Fee Related CN211779295U (en) 2020-01-07 2020-01-07 Pneumatic actuator

Country Status (1)

Country Link
CN (1) CN211779295U (en)

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Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20210517

Address after: 100032 room 0823, building 1, guoyingyuan, Xicheng District, Beijing

Patentee after: Beijing ruihuihua Technology Development Co.,Ltd.

Address before: 325000 Xialong village, Longhu Town, Ruian City, Wenzhou City, Zhejiang Province

Patentee before: Gan Chongpo

TR01 Transfer of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20201027

Termination date: 20220107

CF01 Termination of patent right due to non-payment of annual fee