CN218094552U - Rotary pneumatic actuator - Google Patents
Rotary pneumatic actuator Download PDFInfo
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- CN218094552U CN218094552U CN202221748827.7U CN202221748827U CN218094552U CN 218094552 U CN218094552 U CN 218094552U CN 202221748827 U CN202221748827 U CN 202221748827U CN 218094552 U CN218094552 U CN 218094552U
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Abstract
The utility model belongs to the technical field of pneumatic actuator, especially, relate to rotation pneumatic actuator, change the shell that needs to pneumatic actuator drive case to current spring and dismantle, and when changing the back installation, still need consider the position of parts such as drive incasement portion piston, just can carry out the installation work, increased the problem that the degree of difficulty was changed to the spring to a certain extent, the scheme is put forward now, including pneumatic actuator's valve body, be provided with on the valve body and drive valve core pivoted valve rod, the upper end of valve body is provided with the drive case that drives valve rod pivoted, is provided with piston reset assembly between drive incasement portion piston and the fixed block, the utility model discloses when using, need not dismantle the shell of pneumatic actuator drive case and just can realize the change to reset spring, when the installation, also need not consider the position of parts such as drive incasement portion piston, reduced the degree of difficulty that reset spring changed to a certain extent, it is very convenient to use.
Description
Technical Field
The utility model relates to a pneumatic actuator technical field especially relates to rotation 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. Pneumatic actuators are sometimes also equipped with certain auxiliary devices. Commonly used valve positioners and hand wheel mechanisms. The valve positioner is used for improving the performance of the actuator by utilizing a feedback principle, so that the actuator can realize accurate positioning according to a control signal of the controller. The hand wheel mechanism is used for directly operating the control valve to maintain normal production when the control system has no power supply, no air supply, no output of the controller or failure of the actuating mechanism.
Traditional rotation pneumatic actuator utilizes spring force to promote the piston piece and removes generally for realize rotation pneumatic actuator's reset work, but after long-time the use, the spring changes because of its elastic coefficient that ages, probably can't satisfy the reset work of piston, just need change the spring this moment, but current spring change generally is dismantled the shell of pneumatic actuator drive case, just can realize the change of spring, and when changing the back installation, still need consider the position of parts such as drive incasement portion piston, just can carry out installation work, the degree of difficulty that the spring was changed has increased to a certain extent, it is very inconvenient to use, therefore we propose rotation pneumatic actuator.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving and having the spring to change among the prior art and need dismantle the shell of pneumatic actuator drive case to when changing the back installation, still need consider the position of parts such as the inside piston of drive case, could carry out the installation work, increased the shortcoming of the spring change degree of difficulty to a certain extent, and the rotation pneumatic actuator who proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the rotary pneumatic actuator comprises a valve body of the pneumatic actuator, wherein a valve rod for driving a valve core to rotate is arranged on the valve body, a driving box for driving the valve rod to rotate is arranged at the upper end of the valve body, an air inlet pipe is communicated with one side of the driving box, first connecting plates are respectively and integrally formed at two ends of the driving box, a second connecting plate is fixedly installed at one side of each first connecting plate through a first fixing bolt, a plugging side plate is fixedly installed at one side of each second connecting plate through a second fixing bolt, and a positioning assembly is arranged between each plugging side plate and the corresponding second connecting plate;
one side integrated into one piece of shutoff curb plate is provided with the fixed block, be provided with piston reset assembly between inside piston of drive case and the fixed block, piston reset assembly includes five telescopic links of group, five groups the equal fixed connection in one side of the inside piston of drive case of one end of telescopic link, the outside cover of telescopic link is equipped with reset spring.
Preferably, one side of the first connecting plate is provided with a first threaded mounting hole, one side of the second connecting plate is provided with a second threaded mounting hole, and one end of the first fixing bolt is sequentially in threaded connection with the second threaded mounting hole and the inside of the first threaded mounting hole.
Preferably, a third threaded mounting hole is formed in one side of the blocking side plate, a threaded blind hole is formed in one side of the second connecting plate, and one end of the second fixing bolt is sequentially in threaded connection with the third threaded mounting hole and the threaded blind hole.
Preferably, the telescopic link includes the urceolus, the equal fixed connection in one side of the inside piston of drive case in one end of urceolus, the inside slip of urceolus is pegged graft and is had interior pole, interior pole is located the inside one end fixedly connected with limiting plate of urceolus, be provided with the spring between the interior bottom of urceolus and one side of limiting plate.
Preferably, the positioning assembly comprises a positioning hole formed in one side of the second connecting plate and positioning columns fixedly connected to one side of the plugging side plate, the positioning hole and the positioning columns are symmetrically provided in two groups, and the two groups of positioning columns are respectively arranged corresponding to the two groups of positioning holes.
Preferably, one side of the fixed block is fixedly connected with five groups of fixed seats for inserting one end of the inner rod.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a shutoff curb plate, the design of locating hole and reference column isotructure, when needs are changed the reset spring of drive incasement portion, dismantle the shutoff curb plate, then just can take out the reset spring that needs to be changed, then after accomplishing new reset spring installation, when needing to install the shutoff curb plate, peg graft in the inside of locating hole with the reference column of shutoff curb plate one side, make the shutoff curb plate can carry out quick installation, need not dismantle the shell of pneumatic actuator drive case and just can realize the change to reset spring, and when the installation, also need not consider the position of parts such as drive incasement portion piston, the degree of difficulty that reset spring changed has been reduced to a certain extent, it is very convenient to use.
Drawings
Fig. 1 is a schematic perspective view of a rotary pneumatic actuator according to the present invention;
fig. 2 is an exploded schematic view of the rotary pneumatic actuator according to the present invention;
fig. 3 is a schematic perspective view of a second connecting plate in the rotary pneumatic actuator according to the present invention;
fig. 4 is a schematic perspective view of a side plate for plugging in a rotary pneumatic actuator according to the present invention;
fig. 5 is a schematic sectional view of the telescopic rod in the rotary pneumatic actuator according to the present invention.
In the figure: 1. a valve body; 2. a valve stem; 3. a drive box; 4. an air inlet pipe; 5. a first connecting plate; 6. a first threaded mounting hole; 7. a second connecting plate; 8. a second threaded mounting hole; 9. plugging the side plate; 10. a third threaded mounting hole; 11. a threaded blind hole; 12. positioning holes; 13. a positioning column; 14. a fixed block; 15. a fixed seat; 16. a telescopic rod; 1601. an outer cylinder; 1602. an inner rod; 1603. a limiting plate; 1604. a spring; 17. a return spring.
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.
Example one
Referring to fig. 1-5, the rotary pneumatic actuator comprises a valve body 1 of the pneumatic actuator, a valve rod 2 driving a valve core to rotate is arranged on the valve body 1, a driving box 3 driving the valve rod 2 to rotate is arranged at the upper end of the valve body 1, one side of the driving box 3 is communicated with an air inlet pipe 4, and air is injected into the driving box 3 through the air inlet pipe 4, so that a piston in the driving box 3 moves towards two sides, and the valve rod 2 can be driven to rotate to open the valve body 1;
the valve comprises a driving box 3, a valve rod 2, a valve body 1, a driving box, a valve rod, a driving box and a valve rod, wherein one sides of two groups of piston blocks in the driving box 3 are fixedly connected with racks, the outer wall of the valve rod 2 in the driving box 3 is fixedly sleeved with gears, the two groups of racks are meshed with the gears, when the piston blocks move, the racks can be driven to move, and the valve rod 2 can rotate through the meshing of the racks and the gears, so that the valve body 1 can be opened;
the two ends of the driving box 3 are respectively provided with a first connecting plate 5 in an integrated forming mode, one side of the first connecting plate 5 is fixedly provided with a second connecting plate 7 through a first fixing bolt, one side of the second connecting plate 7 is fixedly provided with a blocking side plate 9 through a second fixing bolt, a positioning assembly is arranged between the blocking side plate 9 and the second connecting plate 7, and one side of the driving box 3 can be blocked by the blocking side plate 9;
one side integrated into one piece of shutoff curb plate 9 is provided with fixed block 14, be provided with piston reset assembly between the inside piston of drive case 3 and the fixed block 14, piston reset assembly includes five sets of telescopic links 16, the equal fixed connection in one side of the inside piston of drive case 3 of the one end of five sets of telescopic links 16, the outside cover of telescopic link 16 is equipped with reset spring 17, when the inside piston of drive case 3 moves to both sides, can extrude telescopic link 16 and reset spring 17, after the extrusion process is accomplished, when stopping to drive case 3's inside injection gas, under reset spring 17's elasticity, make the piston reset, realize opening and closing of valve body 1.
Example two
1-5, improve on the basis of embodiment one: the rotary pneumatic actuator comprises a valve body 1 of the pneumatic actuator, wherein a valve rod 2 for driving a valve core to rotate is arranged on the valve body 1, a driving box 3 for driving the valve rod 2 to rotate is arranged at the upper end of the valve body 1, one side of the driving box 3 is communicated with an air inlet pipe 4, and air is injected into the driving box 3 through the air inlet pipe 4, so that a piston in the driving box 3 moves towards two sides, and the valve rod 2 can be driven to rotate to open the valve body 1;
the two ends of the driving box 3 are respectively provided with a first connecting plate 5 in an integrated forming mode, one side of the first connecting plate 5 is fixedly provided with a second connecting plate 7 through a first fixing bolt, one side of the first connecting plate 5 is provided with a first threaded mounting hole 6, one side of the second connecting plate 7 is provided with a second threaded mounting hole 8, one end of the first fixing bolt is sequentially in threaded connection with the interiors of the second threaded mounting hole 8 and the first threaded mounting hole 6, one side of the second connecting plate 7 is fixedly provided with a blocking side plate 9 through a second fixing bolt, one side of the blocking side plate 9 is provided with a third threaded mounting hole 10, one side of the second connecting plate 7 is provided with a threaded blind hole 11, one end of the second fixing bolt is sequentially in threaded connection with the interiors of the third threaded mounting hole 10 and the threaded blind hole 11, the first fixing bolt and the second fixing bolt are used for mounting the second connecting plate 7 and the blocking side plate 9, and one side of the driving box 3 can be blocked through the blocking side plate 9;
a positioning assembly is arranged between the plugging side plate 9 and the second connecting plate 7, the positioning assembly comprises a positioning hole 12 formed in one side of the second connecting plate 7 and positioning columns 13 fixedly connected to one side of the plugging side plate 9, the positioning hole 12 and the positioning columns 13 are symmetrically arranged in two groups, the two groups of positioning columns 13 are respectively arranged corresponding to the two groups of positioning holes 12, and when the plugging side plate 9 is installed, the positioning columns 13 on one side of the plugging side plate 9 are inserted into the positioning holes 12, so that the installation of the plugging side plate 9 is facilitated;
a fixed block 14 is integrally formed on one side of the plugging side plate 9, a piston resetting assembly is arranged between a piston inside the driving box 3 and the fixed block 14 and comprises five groups of telescopic rods 16, one ends of the five groups of telescopic rods 16 are fixedly connected to one side of the piston inside the driving box 3, a resetting spring 17 is sleeved outside each telescopic rod 16, when the piston inside the driving box 3 moves towards two sides, the telescopic rods 16 and the resetting spring 17 can be extruded, when the extrusion process is completed and gas injection into the driving box 3 is stopped, the piston is reset under the elastic force of the resetting spring 17, and the valve body 1 is opened and closed;
When the utility model is used in detail, gas is injected into the driving box 3 through the air inlet pipe 4, so that the piston in the driving box 3 moves towards two sides, and the valve rod 2 can be driven to rotate to open the valve body 1;
when the pneumatic actuator is used for a long time and the return spring 17 in the driving box 3 needs to be replaced, a user detaches the second fixing bolt, then detaches the plugging side plate 9, and then can take out the return spring 17 to be replaced;
after the new reset spring 17 is installed, when the plugging side plate 9 needs to be installed, the positioning column 13 on one side of the plugging side plate 9 is inserted into the positioning hole 12, at the moment, one end of the inner rod 1602 in the telescopic rod 16 is inserted into the fixing seat 15, then the plugging side plate 9 is installed on one side of the second connecting plate 7 again by using the second fixing bolt, so that the replacement of the reset spring 17 is completed, and the use is very convenient.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. Rotation pneumatic actuator, including pneumatic actuator's valve body (1), be provided with on valve body (1) and drive valve core pivoted valve rod (2), the upper end of valve body (1) is provided with drives valve rod (2) pivoted drive case (3), one side intercommunication of drive case (3) has intake pipe (4), its characterized in that: two ends of the driving box (3) are respectively provided with a first connecting plate (5) in an integrated forming mode, one side of the first connecting plate (5) is fixedly provided with a second connecting plate (7) through a first fixing bolt, one side of the second connecting plate (7) is fixedly provided with a blocking side plate (9) through a second fixing bolt, and a positioning assembly is arranged between the blocking side plate (9) and the second connecting plate (7);
one side integrated into one piece of shutoff curb plate (9) is provided with fixed block (14), be provided with piston reset assembly between inside piston of drive case (3) and fixed block (14), piston reset assembly includes five telescopic link (16), five groups the equal fixed connection in one side of the inside piston of drive case (3) of one end of telescopic link (16), the outside cover of telescopic link (16) is equipped with reset spring (17).
2. Rotary pneumatic actuator according to claim 1, wherein: first screw thread mounting hole (6) have been seted up to one side of first connecting plate (5), second screw thread mounting hole (8) have been seted up to one side of second connecting plate (7), threaded connection in proper order in the inside of second screw thread mounting hole (8) and first screw thread mounting hole (6) to the one end of first fixing bolt.
3. Rotary pneumatic actuator according to claim 1, wherein: third threaded mounting hole (10) have been seted up to one side of shutoff curb plate (9), threaded blind hole (11) have been seted up to one side of second connecting plate (7), the one end of second fixing bolt is threaded connection in proper order in the inside of third threaded mounting hole (10) and threaded blind hole (11).
4. The rotary pneumatic actuator as set forth in any one of claims 1-3, wherein: telescopic link (16) include urceolus (1601), the equal fixed connection in one side of the inside piston of drive box (3) of one end of urceolus (1601), the inside slip of urceolus (1601) is pegged graft and is had interior pole (1602), interior pole (1602) are located the inside one end fixedly connected with limiting plate (1603) of urceolus (1601), be provided with spring (1604) between the interior bottom of urceolus (1601) and one side of limiting plate (1603).
5. The rotary pneumatic actuator as set forth in claim 4, wherein: the positioning assembly comprises positioning holes (12) formed in one side of the second connecting plate (7) and positioning columns (13) fixedly connected to one side of the blocking side plate (9), the positioning holes (12) and the positioning columns (13) are symmetrically arranged in two groups, and the two groups of positioning columns (13) are respectively arranged corresponding to the two groups of positioning holes (12).
6. Rotary pneumatic actuator according to claim 5, wherein: one side of the fixed block (14) is fixedly connected with five groups of fixed seats (15) for one end of the inner rod (1602) to be inserted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221748827.7U CN218094552U (en) | 2022-07-06 | 2022-07-06 | Rotary pneumatic actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221748827.7U CN218094552U (en) | 2022-07-06 | 2022-07-06 | Rotary pneumatic actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218094552U true CN218094552U (en) | 2022-12-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221748827.7U Active CN218094552U (en) | 2022-07-06 | 2022-07-06 | Rotary pneumatic actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218094552U (en) |
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2022
- 2022-07-06 CN CN202221748827.7U patent/CN218094552U/en active Active
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