CN218348379U - Air pressure-reducing electric valve positioner - Google Patents
Air pressure-reducing electric valve positioner Download PDFInfo
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- CN218348379U CN218348379U CN202222850814.7U CN202222850814U CN218348379U CN 218348379 U CN218348379 U CN 218348379U CN 202222850814 U CN202222850814 U CN 202222850814U CN 218348379 U CN218348379 U CN 218348379U
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- fixed
- valve positioner
- locator
- dwang
- air relief
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Abstract
The utility model relates to a valve locator technical field specifically is air pressure reduction electric valve locator, which comprises an outer shell, the downside of shell is fixed with erection support, erection support's downside both ends symmetry is fixed with four L shape mounts, four the one end of L shape mount is all rotated and is connected with the dwang, is located two of one end the lower extreme of dwang is all rotated and is connected with splint. The utility model discloses, through pressing from both sides tight adjustment mechanism, the lower extreme of the dwang at drive both ends is inside to overturn, and the dwang drives splint and merges, makes two splint compress tightly in the outside both sides of valve body to be fixed in the outside of valve body with the locator, easy operation can realize quick installation and dismantlement, thereby reduced the later stage to the maintenance degree of difficulty of valve and locator, the clamping-force is reliable and stable greatly, is difficult not hard up, has improved the fixed fastness to the locator.
Description
Technical Field
The utility model relates to a valve locator technical field specifically is air decompression electric valve locator.
Background
The valve positioner is a main accessory of the regulating valve, is usually matched with a pneumatic valve for use, can increase the output power of the regulating valve, accelerates the moving speed of a valve rod, and is widely used in intelligent valves.
Through searching, the publication number is: CN 212719097U's utility model patent discloses a valve positioner, including shell and clamping unit, the bottom fixedly connected with erection support of shell, the spout has been seted up to erection support's bottom center department, two fixed blocks that are the symmetry and set up of erection support's bottom left and right sides fixedly connected with.
It has certain drawbacks: this patent is the outside that compresses tightly the briquetting at valve body through the pressure of spring, because the invariable and pressure limit of pressure of spring is less, therefore the centre gripping dynamics is less, though can be fixed in the valve outside with the locator fast, but fixed fastness is relatively poor, takes place to become flexible or drop very easily when receiving the external object collision.
Accordingly, those skilled in the art have provided air relief electrical valve positioners that solve the problems set forth in the background above.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an air decompression electric valve locator to solve the problem that provides among the above-mentioned background art.
The technical scheme of the utility model is that: the air decompression electric valve positioner comprises a shell, an installation support is fixed on the lower side of the shell, four L-shaped fixing frames are symmetrically fixed at two ends of the lower side of the installation support, one ends of the four L-shaped fixing frames are rotatably connected with rotating rods, and the lower ends of the two rotating rods at one end are rotatably connected with clamping plates; the clamping adjusting mechanism is arranged between the mounting support and the rotating rods and comprises four sliding grooves formed in the upper ends of the four rotating rods and a screw rod shaft connected to the lower side of the mounting support in a rotating mode and located at the middle section position, two threads in opposite directions are arranged at two ends of the outer side of the screw rod shaft, two thread sliding blocks are connected to two ends of the outer side of the screw rod shaft in a rotating mode through threads symmetrically, two connecting rods are connected to two sides of each thread sliding block in a rotating mode, two sliding grooves located at one end are connected to the inner sides of the sliding grooves in a sliding mode, two sliding pins are arranged at the outer sides of the sliding pins in the middle section position in a rotating mode and sleeved with push blocks, and one ends of the four connecting rods are connected with one side of the two push blocks in a rotating mode respectively.
Preferably, two supporting partition plates are fixed at two ends of the lower side of the mounting support, through grooves are formed in the supporting partition plates, and the four connecting rods penetrate through the inner sides of the two through grooves respectively.
Preferably, two connecting plates are rotatably connected to two ends of the outer side of the screw shaft, and one ends of the connecting plates are fixed to the lower side of the mounting support.
Preferably, the lead angle between the screw shaft and the threaded slider is smaller than the friction angle.
Preferably, a reinforcing rod is fixed between the two rotating rods at one end.
Preferably, the inner sides of the two clamping plates are provided with anti-skidding teeth.
Preferably, an adjusting turntable is fixed at one end of the screw shaft.
The utility model discloses an improve and provide air decompression electric valve locator here, compare with prior art, have following improvement and advantage:
the utility model discloses, through pressing from both sides tight adjustment mechanism, the lower extreme that drives the dwang at both ends is inside upset, and the dwang drives splint and merges, makes two splint compress tightly in the outside both sides of valve body to be fixed in the outside of valve body with the locator, easy operation can realize quick installation and dismantlement, thereby reduced the later stage to the maintenance degree of difficulty of valve and locator, the clamping-force is reliable and stable greatly, is difficult not hard up, has improved the fixed fastness to the locator.
Drawings
The invention is further explained below with reference to the figures and examples:
fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the underside structure of the present invention;
fig. 3 is a schematic view of the forward structure of the present invention.
Description of the reference numerals:
1. a housing; 2. mounting a support; 3. an L-shaped fixing frame; 4. rotating the rod; 5. a splint; 6. a chute; 7. a screw shaft; 8. a threaded slider; 9. a connecting rod; 10. a push block; 11. a slide pin; 12. a reinforcing rod; 13. supporting the partition plate; 14. a connecting plate.
Detailed Description
The present invention will be described in detail below, and it is apparent that the technical solutions in the embodiments of the present invention are described clearly and completely. 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.
The utility model discloses an improve and provide air decompression electric valve locator here, the technical scheme of the utility model is:
as shown in fig. 1 to 3, the air pressure reduction electric valve positioner comprises a housing 1, wherein an installation support 2 is fixed on the lower side of the housing 1, four L-shaped fixing frames 3 are symmetrically fixed at two ends of the lower side of the installation support 2, one ends of the four L-shaped fixing frames 3 are rotatably connected with rotating rods 4, a reinforcing rod 12 is fixed between the two rotating rods 4 at one end, the reinforcing rod 12 improves the connection firmness between the two rotating rods 4 at one end, the lower ends of the two rotating rods 4 at one end are rotatably connected with clamping plates 5, anti-skidding teeth are arranged on the inner sides of the two clamping plates 5, and the anti-skidding teeth improve the friction force between the clamping plates 5 and the outer side of a valve body, so that the clamping stability is improved; the clamping adjusting mechanism is arranged between the mounting support 2 and the rotating rods 4, and the clamping adjusting mechanism comprises four sliding grooves 6 arranged at the upper ends of the four rotating rods 4 and a screw rod shaft 7 connected to the lower side of the mounting support 2 and located at the middle section position, two threads in opposite directions are arranged at two ends of the outer side of the screw rod shaft 7, two threaded sliders 8 are symmetrically and rotatably connected to two ends of the outer side of the screw rod shaft 7, two connecting rods 9 are symmetrically and rotatably connected to two sides of the two threaded sliders 8, sliding pins 11 are slidably connected to the inner sides of the two sliding grooves 6 located at one end, push blocks 10 are rotatably sleeved at positions, located at the middle section, of the outer sides of the two sliding pins 11, one ends of the four connecting rods 9 are rotatably connected with one sides of the two push blocks 10 respectively, an adjusting turntable is fixed to one end of the screw rod shaft 7, and is used for driving the screw rod shaft 7 to rotate, and is convenient to use and operate.
Further, two supporting partition plates 13 are fixed at two ends of the lower side of the mounting support 2, through grooves are formed in the two supporting partition plates 13, the four connecting rods 9 penetrate through the inner sides of the two through grooves respectively, and the supporting partition plates 13 are used for supporting the connecting rods 9 to enable the connecting rods 9 to rotate in the horizontal plane.
Furthermore, two connecting plates 14 are rotatably connected to two ends of the outer side of the screw shaft 7, one end of each connecting plate 14 is fixed to the lower side of the mounting support 2, and the connecting plates 14 are used for supporting the screw shaft 7, so that the rotational stability of the screw shaft 7 is improved.
Furthermore, the lead angle of the screw thread between the screw shaft 7 and the thread sliding block 8 is smaller than the friction angle, so that the self-locking effect is achieved, and the thread sliding block 8 is prevented from moving.
The working principle is as follows: when the positioning device is used, the two clamping plates 5 are respectively arranged on two outer sides of the valve body, the screw shaft 7 is rotated through the rotary table, two threads in opposite directions are arranged at two ends of the outer side of the screw shaft 7, and the two ends of the outer side of the screw shaft 7 are symmetrically and rotatably connected with the two thread sliders 8 through the threads, so that the two thread sliders 8 are driven to reversely move through thread engagement when the screw shaft 7 rotates, the two thread sliders 8 respectively drive the four connecting rods 9 to reversely rotate, the four connecting rods 9 respectively drive the two push blocks 10 to reversely move towards two ends, the two push blocks 10 are matched through sliding connection between the sliding pin 11 and the sliding groove 6, the upper end of the rotating rod 4 is pushed to reversely turn over, the lower end of the rotating rod 4 turns inwards, the four rotating rods 4 drive the two clamping plates 5 at the lower end to be combined, the two clamping plates 5 are tightly pressed on two outer sides of the valve body, and the positioning device is fixed on the outer side of the valve body.
Claims (7)
1. Air decompression electric valve locator, including shell (1), the downside of shell (1) is fixed with erection support (2), the downside both ends symmetry of erection support (2) is fixed with four L shape mount (3), four the one end of L shape mount (3) is all rotated and is connected with dwang (4), is located two of one end the lower extreme of dwang (4) is all rotated and is connected with splint (5), its characterized in that: also includes;
the clamping and adjusting mechanism is arranged between an installation support (2) and a rotating rod (4), the clamping and adjusting mechanism comprises four sliding grooves (6) formed in the upper ends of the four rotating rods (4) and a screw rod shaft (7) connected to the lower side of the installation support (2) and located at the middle section position, two threads in opposite directions are arranged at two ends of the outer side of the screw rod shaft (7), two threaded sliders (8) are symmetrically and rotatably connected to two ends of the outer side of the screw rod shaft (7) through the threads, two connecting rods (9) are symmetrically and rotatably connected to two sides of the threaded sliders (8), two sliding pins (11) are slidably connected to the inner sides of the sliding grooves (6) at one ends, two pushing blocks (10) are rotatably sleeved at the middle section position of the outer side of the sliding pins (11), and one ends of the four connecting rods (9) are rotatably connected with one sides of the two pushing blocks (10) respectively.
2. The air relief electrical valve positioner of claim 1, wherein: two supporting partition plates (13) are fixed at two ends of the lower side of the mounting support (2), through grooves are formed in the supporting partition plates (13), and the connecting rods (9) penetrate through the inner sides of the through grooves respectively.
3. The air relief electrical valve positioner of claim 1, wherein: two connecting plates (14) are rotatably connected to two ends of the outer side of the screw shaft (7), and one ends of the connecting plates (14) are fixed to the lower side of the mounting support (2).
4. The air relief electrical valve positioner of claim 1, wherein: the lead angle between the screw shaft (7) and the thread slider (8) is smaller than the friction angle.
5. The air relief electrical valve positioner of claim 1, wherein: and a reinforcing rod (12) is fixed between the two rotating rods (4) at one end.
6. The air relief electrical valve positioner of claim 1, wherein: the inner sides of the two clamping plates (5) are provided with anti-skidding teeth.
7. The air relief electrical valve positioner of claim 1, wherein: an adjusting turntable is fixed at one end of the screw shaft (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222850814.7U CN218348379U (en) | 2022-10-28 | 2022-10-28 | Air pressure-reducing electric valve positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222850814.7U CN218348379U (en) | 2022-10-28 | 2022-10-28 | Air pressure-reducing electric valve positioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218348379U true CN218348379U (en) | 2023-01-20 |
Family
ID=84899671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222850814.7U Active CN218348379U (en) | 2022-10-28 | 2022-10-28 | Air pressure-reducing electric valve positioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218348379U (en) |
-
2022
- 2022-10-28 CN CN202222850814.7U patent/CN218348379U/en active Active
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