CN208204157U - A kind of Novel shifting fork formula pneumatic actuator - Google Patents
A kind of Novel shifting fork formula pneumatic actuator Download PDFInfo
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- CN208204157U CN208204157U CN201820776806.3U CN201820776806U CN208204157U CN 208204157 U CN208204157 U CN 208204157U CN 201820776806 U CN201820776806 U CN 201820776806U CN 208204157 U CN208204157 U CN 208204157U
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- fixedly connected
- turntable
- block
- pneumatic actuator
- shifting fork
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Abstract
The utility model discloses a kind of Novel shifting fork formula pneumatic actuators, including body, the body left and right ends are equipped with the first opening, lid is equipped in first opening, the lid is fixedly connected by multiple retaining mechanisms with body, the turntable has been fixedly and coaxially connected output shaft, the one end of the output shaft far from turntable extends to outside through body, two piston one end close to each other are fixedly connected to shift fork, the shift fork is far from being fixedly connected with driving lever on one end side wall of piston, two grooves corresponding with two circle switch blocks respectively are symmetrically arranged on the turntable curved wall, fixed block is fixedly connected on the curved wall of the turntable.The utility model is structurally reasonable, and service life is longer than existing shift fork type pneumatic actuator, while adjustable valve is closed angle, to realize the control of flow, and conveniently internal part is repaired and is replaced.
Description
Technical field
The utility model relates to executive component technical field more particularly to a kind of Novel shifting fork formula pneumatic actuators.
Background technique
Pneumatic actuator is the executive device with the opening and closing of air pressure power drive or control valve, but by title pneumatic actuator or
Pneumatic device, but general popular referred to as pneumatic head.Pneumatic actuator is also equipped with certain auxiliary device sometimes.Commonly
There are valve positioner and handwheel.The effect of valve positioner is to improve the performance of actuator using feedback principle, makes to hold
Row device can realize accurately positioning by the control signal of controller.The effect of handwheel is when control system is because having a power failure, stopping
Gas, controller without output or when executing agency's failure, using it can direct manipulation and control valve, with maintain production it is normal into
Row.Existing pneumatic actuator is divided into fork type and gear type, and shift fork type pneumatic actuator drives output shaft rotation by shift fork driving lever,
It is easy to produce abrasion for a long time.Existing shift fork type pneumatic actuator is only closed completely and fully opens two states, nothing simultaneously
Method carries out the adjusting of rate-of flow, does not adapt to the requirement in different operating field.Moreover, existing fork type pneumatically executes
Device is to be not easy to dismantle, and internal part damage needs entirely to be replaced, and causes waste.
For this purpose, it is proposed that a kind of Novel shifting fork formula pneumatic actuator solves the above problems.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of Novel shifting fork formula proposed
Pneumatic actuator.
To achieve the goals above, the utility model adopts the technical scheme that
A kind of Novel shifting fork formula pneumatic actuator, including body, the body left and right ends are equipped with the first opening, and described the
It is equipped with lid in one opening, the lid is fixedly connected by multiple retaining mechanisms with body, is symmetrically arranged with two in the body
A piston, is equipped with turntable between two pistons, and the turntable has been fixedly and coaxially connected output shaft, and the output shaft is far from turning
One end of disk extends to outside through body, and two piston one end close to each other are fixedly connected to shift fork, two institutes
State the side that shift fork is arranged at turntable, the shift fork is far from being fixedly connected with driving lever, the driving lever on one end side wall of piston
It is rotatably connected to round switch block far from shift fork one end, two are symmetrically arranged on the turntable curved wall and is turned respectively with two circles
Block corresponding groove is fixedly connected with fixed block on the curved wall of the turntable, is equipped in the body and carries out to fixed block
The position-limit mechanism of limit.
Preferably, the retaining mechanism includes that limited block is fixedly connected with lid, and the body is equipped with and limited block
The limiting slot matched, the body lateral wall are equipped with the second opening of connection limiting slot, are equipped with fixture block, institute in second opening
It states limited block and is equipped with and extended to outside the second opening far from one end of limited block and fixed with the matched card slot of fixture block, the fixture block
It is connected with pulling block, is arranged with spring outside the fixture block, the spring one end is fixedly connected with body, and the spring other end and pulling block
It is fixedly connected.
Preferably, sealing ring is equipped between the body and lid, the sealing ring is fixedly connected with body.
Preferably, the position-limit mechanism includes the threaded hole being arranged in body upper end wall, is equipped with spiral shell in the threaded hole
Rasp bar, the threaded rod lower end extend to inside body, and threaded rod upper end extends to outside threaded hole and is fixedly and coaxially connected
There is switch block.
Preferably, the threaded rod is equipped with scale label.
Preferably, Wear-resistant plastic cushion rubber is fixedly connected on the curved wall of the round switch block.
Compared with prior art, the utility model has the following beneficial effects: the utility model passes through in body both ends setting the
One opening, the first opening is interior to be equipped with lid, and lid is fixedly connected with body by multiple retaining mechanisms, is readily disassembled, and convenient pair
Component inside body is replaced and is repaired, and is avoided internal part from damaging and replace entire actuator, is caused to waste；By
Fixed block, the position-limit mechanism that setting limits fixed block in body, thus it is possible to vary valve closes are set on turntable curved wall
Angle is closed, to control the adjusting of rate-of flow, adapts to the requirement in different operating field；By being rotatablely connected on driving lever
Round switch block, and it is fixedly connected with Wear-resistant plastic cushion rubber on the curved wall of round switch block, on startup, reduce between turntable
Abrasion, can extend the service life of actuator.
Detailed description of the invention
Fig. 1 be the utility model proposes a kind of Novel shifting fork formula pneumatic actuator structural schematic diagram；
Fig. 2 be the utility model proposes a kind of Novel shifting fork formula pneumatic actuator turntable and its connecting component structure
Schematic diagram；
Fig. 3 is the structural schematic diagram in Fig. 1 at A.
In figure: 1 body, 2 lids, 3 retaining mechanisms, 4 pistons, 5 turntables, 6 shift forks, 7 driving levers, 8 round switch blocks, 9 output shafts,
10 fixed blocks, 11 position-limit mechanisms, 12 limited blocks, 13 fixture blocks, 14 pulling blocks, 15 springs, 16 sealing rings, 17 threaded rods, 18 switch blocks, 19
Wear-resistant plastic cushion rubber.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-3, a kind of Novel shifting fork formula pneumatic actuator, including body 1,1 left and right ends of body are equipped with first and open
Mouthful, lid 2 is equipped in the first opening, lid 2 is fixedly connected with body 1 by multiple retaining mechanisms 3, can be carried out to lid 2
Disassembly is equipped with sealing ring 16 between body 1 and lid 2, increase the leakproofness of body 1, and sealing ring 16 is fixedly connected with body 1,
Retaining mechanism 3 includes that limited block 12 is fixedly connected with lid 2, and body 1 is equipped with and the matched limiting slot of limited block 12, body 1
Lateral wall is equipped with the second opening of connection limiting slot, is equipped with fixture block 13 in the second opening, limited block 12 is equipped with and fixture block 12
Matched card slot, fixture block 13 extend to outside the second opening far from one end of limited block 12 and are fixedly connected with pulling block 14, fixture block 13
It is arranged with spring 15 outside, spring 15 carries out elastic spacing to fixture block 13, and 15 one end of spring is fixedly connected with body 1, and spring 15
The other end is fixedly connected with pulling block 14.
It is symmetrically arranged with two pistons 4 in body 1, is equipped with turntable 5 between two pistons 4, turntable 5 has been fixedly and coaxially connected defeated
Shaft 9, the one end of output shaft 9 far from turntable 5 extend to outside through body 1, and two pistons 4 one end close to each other is fixed
It is connected with shift fork 6, two shift forks 6 are arranged at the side of turntable 5, and shift fork 6 on one end side wall of piston 4 far from being fixedly connected with
Driving lever 7, driving lever 7 are rotatably connected to round switch block 8 far from 6 one end of shift fork, are fixedly connected on the curved wall of round switch block 8 resistance to
Grind plastic tube 19, prolong the service life, be symmetrically arranged on 5 curved wall of turntable two it is corresponding with two round switch blocks 8 respectively
Groove is fixedly connected with fixed block 10 on the curved wall of turntable 5, is equipped with the limit limited to fixed block 10 in body 1
Mechanism 11, position-limit mechanism 11 include the threaded hole being arranged in 1 upper end wall of body, are equipped with threaded rod 17, threaded rod in threaded hole
17 are equipped with scale label, can control valve opening angle, 17 lower end of threaded rod extends to inside body 1, and threaded rod 17
Upper end extends to outside threaded hole and has been fixedly and coaxially connected switch block 18.
In the utility model, by being equipped with lid 2, lid in the first opening of 1 left and right ends of body setting, the first opening
2 are fixedly connected by multiple retaining mechanisms 3 with body 1, and lid 2 can be dismantled, and two pistons 4 are symmetrically arranged in body 1,
Turntable 5 is equipped between two pistons 4, turntable 5 has been fixedly and coaxially connected output shaft 9, and output shaft 9 runs through far from one end of turntable 5
Body 1 extends to outside, and two one end close to each other of piston 4 are fixedly connected to shift fork 6, the one end of shift fork 6 far from piston 4
Driving lever 7 is fixedly connected on side wall, driving lever 7 is rotatably connected to round switch block 8, the curved side of round switch block 8 far from 6 one end of shift fork
It is fixedly connected with Wear-resistant plastic cushion rubber 19 on wall, reduces the abrasion between turntable 5, is symmetrically arranged with two on 5 curved wall of turntable
Groove corresponding with two circle switch blocks 8, the movement of piston 4 are solid on the curved wall of turntable 5 to drive turntable 5 to rotate respectively
Surely it is connected with fixed block 10, is equipped with the position-limit mechanism 11 limited to fixed block 10 in body 1, position-limit mechanism 11 can control
The rotation radian of turntable 5 controls the adjusting of rate-of flow so as to change valve closing angle.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. a kind of Novel shifting fork formula pneumatic actuator, including body (1), it is characterised in that: body (1) left and right ends are equipped with
First opening, first opening is interior to be equipped with lid (2), and the lid (2) is solid by multiple retaining mechanisms (3) and body (1)
Fixed connection, the body (1) is interior to be symmetrically arranged with two pistons (4), is equipped with turntable (5) between two pistons (4), and described turn
Disk (5) has been fixedly and coaxially connected output shaft (9), and the one end of the output shaft (9) far from turntable (5) is extended to through body (1)
Outside, two piston (4) one end close to each other are fixedly connected to shift fork (6), and two shift forks (6) are arranged at
The side of turntable (5), the shift fork (6) far from piston (4) one end side wall on be fixedly connected with driving lever (7), the driving lever (7)
Be rotatably connected to round switch block (8) far from shift fork (6) one end, be symmetrically arranged on turntable (5) curved wall two respectively with
Two round switch blocks (8) corresponding groove is fixedly connected with fixed block (10), the device on the curved wall of the turntable (5)
The position-limit mechanism (11) limited to fixed block (10) is equipped in body (1).
2. a kind of Novel shifting fork formula pneumatic actuator according to claim 1, which is characterized in that the retaining mechanism (3)
Including being fixedly connected limited block (12) with lid (2), the body (1) is equipped with and limited block (12) matched limiting slot, institute
The second opening that body (1) lateral wall is equipped with connection limiting slot is stated, is equipped with fixture block (13) in second opening, the limit
Block (12) is equipped with to be extended to second far from the one end of limited block (12) and opens with fixture block (13) matched card slot, the fixture block (13)
It outside mouthful and is fixedly connected with pulling block (14), is arranged with spring (15) outside the fixture block (13), described spring (15) one end and body
(1) it is fixedly connected, and spring (15) other end is fixedly connected with pulling block (14).
3. a kind of Novel shifting fork formula pneumatic actuator according to claim 1, which is characterized in that the body (1) and lid
Sealing ring (16) are equipped between body (2), the sealing ring (16) is fixedly connected with body (1).
4. a kind of Novel shifting fork formula pneumatic actuator according to claim 1, which is characterized in that the position-limit mechanism (11)
Including the threaded hole being arranged in body (1) upper end wall, threaded rod (17) are equipped in the threaded hole, under the threaded rod (17)
It is internal that end extends to body (1), and threaded rod (17) upper end extends to outside threaded hole and has been fixedly and coaxially connected switch block (18).
5. a kind of Novel shifting fork formula pneumatic actuator according to claim 4, which is characterized in that on the threaded rod (17)
Equipped with scale label.
6. a kind of Novel shifting fork formula pneumatic actuator according to claim 1, which is characterized in that the circle switch block (8)
Curved wall on be fixedly connected with Wear-resistant plastic cushion rubber (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820776806.3U CN208204157U (en) | 2018-05-24 | 2018-05-24 | A kind of Novel shifting fork formula pneumatic actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820776806.3U CN208204157U (en) | 2018-05-24 | 2018-05-24 | A kind of Novel shifting fork formula pneumatic actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208204157U true CN208204157U (en) | 2018-12-07 |
Family
ID=64514991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820776806.3U Active CN208204157U (en) | 2018-05-24 | 2018-05-24 | A kind of Novel shifting fork formula pneumatic actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208204157U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110230725A (en) * | 2019-07-12 | 2019-09-13 | 无锡爱圣拓克流体控制有限公司 | The adjusting tool of pneumatic actuator drive shaft angle |
-
2018
- 2018-05-24 CN CN201820776806.3U patent/CN208204157U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110230725A (en) * | 2019-07-12 | 2019-09-13 | 无锡爱圣拓克流体控制有限公司 | The adjusting tool of pneumatic actuator drive shaft angle |
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