CN220204853U - Double-indicator connecting structure of pneumatic actuator of plug valve - Google Patents
Double-indicator connecting structure of pneumatic actuator of plug valve Download PDFInfo
- Publication number
- CN220204853U CN220204853U CN202321996957.7U CN202321996957U CN220204853U CN 220204853 U CN220204853 U CN 220204853U CN 202321996957 U CN202321996957 U CN 202321996957U CN 220204853 U CN220204853 U CN 220204853U
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- bracket
- pneumatic actuator
- adjusting
- rod
- connection
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- 230000009977 dual effect Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model discloses a double-indicator connecting structure of a plug valve pneumatic actuator, which comprises a bracket, a first connecting component, a second connecting component and a connecting rod, wherein the bracket is arranged on the pneumatic actuator; the utility model has simple structure, and realizes the simultaneous installation of the locator and the limit switch through the connecting rod structure. The adjusting rod and the upper flange are of an inserting structure and are matched with a positioning plane, so that the upper flange drives the adjusting rod to synchronously rotate and further drive the adjusting rod to the input end of the limit switch; in addition, an angular contact bearing is additionally arranged, so that the upper flange and the lower flange can stably rotate.
Description
Technical Field
The utility model relates to the field of plug valves, in particular to a double-indicator connecting structure of a pneumatic actuator of a plug valve.
Background
The plug valve is switched on and off through a pneumatic actuator, along with the continuous improvement of the automation level, a positioner is arranged on the pneumatic actuator, the state of the current pneumatic actuator is collected through the positioner and is transmitted to the background to realize control, for some special scenes, workers are required to carry out regular inspection, when the workers carry out inspection, the state of the current valve cannot be read through the positioner, and the state is required to be continuously connected with the background workers for confirmation; in addition, a limit switch is also required to be installed, and the current valve state can be intuitively displayed through the limit switch, namely, an indicator is arranged on the lower switch so as to indicate the current valve state. However, the pneumatic actuator has only one indication output end, so that only one indication output end can be installed; the above-mentioned use environment cannot be satisfied.
Disclosure of Invention
Aiming at the defects existing in the prior art, the main purpose of the utility model is to overcome the defects of the prior art and discloses a double-indicator connecting structure of a plug valve pneumatic actuator, which comprises a bracket, a first connecting component, a second connecting component and a connecting rod, wherein the bracket is arranged on the pneumatic actuator, a positioner and a limit switch are arranged on the bracket, the first connecting component is connected with the pneumatic actuator and the positioner, the second connecting component is arranged on the bracket and is connected with the input end of the limit switch, and two ends of the connecting rod are respectively hinged with the first connecting component and the second connecting component;
the first connecting component comprises a connecting block and a first connecting piece, the connecting block is connected with the output end of the pneumatic actuator and the input end of the positioner, and the first connecting piece is fixedly connected with the connecting block;
the second connecting component comprises a lower flange, an upper flange, a second connecting piece and an adjusting rod, wherein the lower flange is fixed on the bracket, the upper flange is rotationally connected with the lower flange, the second connecting piece is fixedly connected with the upper flange, the upper end of the adjusting rod is provided with a connecting part matched with the input end of the limit switch, and the adjusting rod is connected with the upper flange;
and two ends of the connecting rod are respectively hinged with the first connecting piece and the second connecting piece.
Further, the second connecting assembly further comprises an adjusting nut, the adjusting rod is axially and slidably connected with the upper flange, external threads matched with the adjusting nut are arranged outside the adjusting rod, and the adjusting nut is rotated to adjust the height of the adjusting rod.
Further, the adjusting rod is a cylinder, and a positioning plane matched with the upper flange is arranged on the side wall of the adjusting rod.
Further, at least two first connecting holes are formed in the connecting block at equal intervals around the circumference of the connecting block, at least two second connecting holes are formed in the first connecting piece at equal intervals around the circumference of the connecting block, and the first connecting holes correspond to the second connecting holes.
Further, the upper flange is provided with at least two third connecting holes at equal intervals around the circumference of the upper flange, the second connecting piece is provided with at least two fourth connecting holes at equal intervals around the circumference of the upper flange, and the third connecting holes correspond to the fourth connecting holes.
Further, the upper flange is connected with the lower flange through an angular contact bearing.
Further, the connecting rod comprises a first rod body and a second rod body, an adjusting hole is concavely formed in one end of the first rod body, an adjusting part is arranged at one end of the second rod body, and the adjusting part is in threaded fit with the adjusting hole.
Further, the support includes upper bracket and lower carriage, the upper bracket with the lower carriage is the U-shaped, the both sides of upper bracket and lower carriage set up the adjustment tank, utilize bolt and nut to connect the upper bracket with the adjustment tank that the lower carriage corresponds, in order to with the upper bracket with the lower carriage is fixed.
The utility model has the beneficial effects that:
the utility model has simple structure, and realizes the simultaneous installation of the locator and the limit switch through the connecting rod structure. The adjusting rod and the upper flange are of an inserting structure and are matched with a positioning plane, so that the upper flange drives the adjusting rod to synchronously rotate and further drive the adjusting rod to the input end of the limit switch; in addition, an angular contact bearing is additionally arranged, so that the upper flange and the lower flange can stably rotate. The connecting rod adopts both ends structure, and first body of rod and second body of rod screw-thread fit, because of the both ends need be articulated with coupling assembling respectively in addition, consequently, after adjusting connecting rod length, the length of assurance connecting rod that can be reliable.
Drawings
FIG. 1 is a schematic diagram of a dual indicator connection structure of a plug valve pneumatic actuator of the present utility model;
FIG. 2 is an enlarged view of A in FIG. 1;
FIG. 3 is an enlarged view of B in FIG. 1;
FIG. 4 is a schematic cross-sectional view of the adjusting lever;
the reference numerals are as follows:
1. the device comprises a bracket, 2, a first connecting component, 3, a second connecting component, 4, a connecting rod, 7, a pneumatic actuator, 8, a positioner, 9, a limit switch, 11, an upper bracket, 12, a lower bracket, 13, an adjusting groove, 21, a connecting block, 22, a first connecting piece, 31, a lower flange, 32, an upper flange, 33, a second connecting piece, 34, an adjusting nut, 35, an adjusting rod, 221, a second connecting hole, 321 and a third connecting hole.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
1-4, the plug valve pneumatic actuator double-indicator connecting structure comprises a bracket 1, a first connecting component 2, a second connecting component 3 and a connecting rod 4, wherein the bracket 1 is arranged on a pneumatic actuator 7, a positioner 8 and a limit switch 9 are arranged on the bracket 1, the first connecting component 2 is connected with the pneumatic actuator 7 and the positioner 8, the second connecting component 3 is arranged on the bracket 1 and is connected with the input end of the limit switch 9, and two ends of the connecting rod 4 are respectively hinged with the first connecting component 2 and the second connecting component 3; namely, when the indication output end of the pneumatic actuator drives the first connecting component 2 to rotate, the second connecting component 3 is synchronously controlled by the connecting rod 4 to synchronously control the limit switch 9 for indication.
The first connecting component 2 comprises a connecting block 21 and a first connecting piece 22, the connecting block 21 is connected with the output end of the pneumatic actuator 7 and the input end of the positioner 8, and the first connecting piece 22 is fixedly connected with the connecting block 21; that is, one end of the connection block 21 is provided with a connection portion that mates with the pneumatic actuator 7, and the other end is provided with a connection portion that mates with the positioner 8, and the pneumatic actuator 7 is driven to the positioner 8 through the connection block 21. Simultaneously, the transmission is synchronized to the second connecting part 3 through the first connecting piece 22.
The second connecting component 3 comprises a lower flange 31, an upper flange 32, a second connecting piece 33 and an adjusting rod 35, wherein the lower flange 31 is fixed on the bracket 1, the upper flange 32 is rotationally connected with the lower flange 31, the second connecting piece 33 is fixedly connected with the upper flange 32, the upper end of the adjusting rod 35 is provided with a connecting part matched with the input end of the limit switch 9, and the adjusting rod 35 is connected with the upper flange 32; the structure of the connecting part is not limited, and the structure of the connecting part is matched with the input end of the limit switch 9. The upper flange 32 is rotatably connected with the lower flange 31, so that the lower flange 31 guides the adjusting rod 35 to stably rotate, and the limit switch 9 is driven to act.
The two ends of the connecting rod 4 are respectively hinged with the first connecting piece 22 and the second connecting piece 33.
In the above embodiment, as shown in fig. 1 to 4, the second connecting assembly 3 further includes an adjusting nut 34, an adjusting rod 35 is axially slidably connected to the upper flange 32, an external thread matched with the adjusting nut 34 is provided outside the adjusting rod 35, and the adjusting nut 34 is rotated to adjust the height position of the adjusting rod 35. And then the height position of the adjusting rod 35 is adjusted according to the actual position of the limit switch 9 so that the adjusting rod 35 can be connected with the input end of the limit switch 9.
In an embodiment, as shown in fig. 1-4, the adjusting rod 35 is in a cylinder shape, the side edge of the adjusting rod 35 is provided with a positioning plane, the center of the upper flange 32 is provided with a through connecting hole, and the positioning plane is also arranged in the connecting hole; wherein, the connecting hole is matched with the adjusting rod 35, so that the adjusting rod 35 can be inserted into the connecting hole; in addition, the positioning plane of the adjusting rod 35 is attached to the positioning plane of the connecting hole, so that the adjusting rod 35 and the connecting hole are relatively static; i.e. the upper flange 32 rotates and at the same time drives the adjustment lever 35 to rotate. And the stem 35 can be tightly pressed against the input end of the limit switch 9 by rotating the adjusting nut 34.
In an embodiment, as shown in fig. 1 to 4, at least two first connection holes are disposed on the connection block 21 at equal intervals around the circumference thereof, at least two second connection holes 221 are disposed on the first connection member 22 at equal intervals around the circumference thereof, the first connection holes correspond to the second connection holes 221, and the first connection holes and the second connection holes 221 are connected by screws, so as to fix the connection block 21 and the first connection member 22. In the present embodiment, the first and second connection holes 221 are respectively provided at equal intervals in four; by adjusting the corresponding connecting holes, the initial angle of the first connecting piece 22 can be adjusted, and the first connecting piece 22 can be connected with the connecting block 21 more reliably.
In an embodiment, as shown in fig. 1 to 4, at least two third connecting holes 321 are disposed at equal intervals around the circumference of the upper flange 32, at least two fourth connecting holes are disposed at equal intervals around the circumference of the second connecting member 33, the third connecting holes 321 correspond to the fourth connecting holes, and the third connecting holes 321 and the fourth connecting holes are connected by screws to fix the upper flange 32 and the second connecting member 33. In the present embodiment, the third connection hole 321 and the fourth connection hole are respectively provided at equal intervals; by adjusting the corresponding connecting holes, the starting angle of the second connecting piece 33 can be adjusted, and the connection between the second connecting piece 33 and the upper flange 32 can be more reliable.
In one embodiment, as shown in fig. 1-4, the upper flange 32 is connected to the lower flange 31 by an angular contact bearing.
In an embodiment, as shown in fig. 1 to 4, the connecting rod 4 includes a first rod body and a second rod body, an adjusting hole is concavely formed at one end of the first rod body, an adjusting portion is disposed at one end of the second rod body, and the adjusting portion is in threaded fit with the adjusting hole.
In an embodiment, as shown in fig. 1 to 4, the bracket 1 includes an upper bracket 11 and a lower bracket 12, the upper bracket 11 and the lower bracket 12 are in a U shape, two sides of the upper bracket 11 and the lower bracket 12 are provided with adjusting grooves 13, and the corresponding adjusting grooves of the upper bracket 11 and the lower bracket 12 are connected by bolts and nuts so as to fix the upper bracket 11 and the lower bracket 12. And the disassembly and assembly of the upper bracket 11 and the lower bracket 12 and the adjustment of the relative heights of the upper bracket 11 and the lower bracket 12 can be realized, so that the positioning device 8 and the limit switch 9 can be conveniently installed. Wherein, set up a plurality of mounting grooves on the upper bracket 11 to the installation of different size location chi 8 and limit switch 9.
The foregoing is merely a preferred embodiment of the present utility model and is not intended to limit the scope of the present utility model; modifications and equivalent substitutions are intended to be included in the scope of the claims without departing from the spirit and scope of the present utility model.
Claims (8)
1. The double-indicator connecting structure of the plug valve pneumatic actuator is characterized by comprising a bracket, a first connecting component, a second connecting component and a connecting rod, wherein the bracket is arranged on the pneumatic actuator, a positioner and a limit switch are arranged on the bracket, the first connecting component is connected with the pneumatic actuator and the positioner, the second connecting component is arranged on the bracket and is connected with the input end of the limit switch, and two ends of the connecting rod are respectively hinged with the first connecting component and the second connecting component;
the first connecting component comprises a connecting block and a first connecting piece, the connecting block is connected with the output end of the pneumatic actuator and the input end of the positioner, and the first connecting piece is fixedly connected with the connecting block;
the second connecting component comprises a lower flange, an upper flange, a second connecting piece and an adjusting rod, wherein the lower flange is fixed on the bracket, the upper flange is rotationally connected with the lower flange, the second connecting piece is fixedly connected with the upper flange, the upper end of the adjusting rod is provided with a connecting part matched with the input end of the limit switch, and the adjusting rod is connected with the upper flange;
and two ends of the connecting rod are respectively hinged with the first connecting piece and the second connecting piece.
2. The plug valve pneumatic actuator double-indicator connection structure according to claim 1, wherein the second connection assembly further comprises an adjusting nut, the adjusting rod is axially slidably connected with the upper flange, external threads matched with the adjusting nut are arranged outside the adjusting rod, and the adjusting nut is rotated to adjust the height position of the adjusting rod.
3. The plug valve pneumatic actuator double-indicator connection structure according to claim 1, wherein the adjusting rod is cylindrical, and a positioning plane matched with the upper flange is arranged on the side wall of the adjusting rod.
4. The plug valve pneumatic actuator double-indicator connection structure according to claim 1, wherein at least two first connection holes are formed in the connection block at equal intervals around the circumference of the connection block, at least two second connection holes are formed in the first connection piece at equal intervals around the circumference of the connection block, and the first connection holes correspond to the second connection holes.
5. The plug valve pneumatic actuator double-indicator connection structure according to claim 1, wherein the upper flange is provided with at least two third connection holes at equal intervals around the circumference thereof, the second connecting piece is provided with at least two fourth connection holes at equal intervals around the circumference thereof, and the third connection holes correspond to the fourth connection holes.
6. The dual indicator connection of a plug valve pneumatic actuator of claim 1, wherein the upper flange is connected to the lower flange by an angular contact bearing.
7. The plug valve pneumatic actuator double-indicator connecting structure according to claim 1, wherein the connecting rod comprises a first rod body and a second rod body, an adjusting hole is concavely formed in one end of the first rod body, an adjusting part is arranged at one end of the second rod body, and the adjusting part is in threaded fit with the adjusting hole.
8. The plug valve pneumatic actuator double-indicator connection structure according to claim 1, wherein the bracket comprises an upper bracket and a lower bracket, the upper bracket and the lower bracket are in a U shape, adjusting grooves are formed in two sides of the upper bracket and the lower bracket, and the adjusting grooves corresponding to the upper bracket and the lower bracket are connected through bolts and nuts so as to fix the upper bracket and the lower bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321996957.7U CN220204853U (en) | 2023-07-27 | 2023-07-27 | Double-indicator connecting structure of pneumatic actuator of plug valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321996957.7U CN220204853U (en) | 2023-07-27 | 2023-07-27 | Double-indicator connecting structure of pneumatic actuator of plug valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220204853U true CN220204853U (en) | 2023-12-19 |
Family
ID=89149792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321996957.7U Active CN220204853U (en) | 2023-07-27 | 2023-07-27 | Double-indicator connecting structure of pneumatic actuator of plug valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220204853U (en) |
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2023
- 2023-07-27 CN CN202321996957.7U patent/CN220204853U/en active Active
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