CN220622778U

CN220622778U - Stress-reducing intelligent electric valve positioner

Info

Publication number: CN220622778U
Application number: CN202322312849.XU
Authority: CN
Inventors: 袁新华
Original assignee: Qingdao Sifuke Electrical Equipment Co ltd
Current assignee: Qingdao Sifuke Electrical Equipment Co ltd
Priority date: 2024-02-22
Filing date: 2024-02-22
Publication date: 2024-03-19
Anticipated expiration: 2034-02-22

Abstract

The utility model relates to the technical field of electric valves and discloses an intelligent electric valve positioner for reducing stress, which comprises a limit box, a control cabinet, a driving rod and a pipeline, wherein the limit box is movably connected with the control cabinet through a flange screw, one side of the limit box is rotatably provided with a rotating shaft in a penetrating manner, one end of the rotating shaft is fixedly provided with a valve plate, the other end of the rotating shaft is provided with a cross groove, the rotating shaft is fixedly connected with the driving rod through the cross groove in a clamping manner, and the outer side of the rotating shaft is fixedly provided with a limit ring and a clamping block.

Description

Stress-reducing intelligent electric valve positioner

Technical Field

The utility model relates to the technical field of electric valves, in particular to an intelligent electric valve positioner for reducing stress.

Background

The utility model provides an electric valve positioner is the main annex of governing valve, uses with pneumatic governing valve is supporting generally, and it accepts the output signal of regulator, then goes the pneumatic governing valve with its output signal control, for example the patent of publication number CN218236352U, discloses an intelligent electric valve positioner of reducing stress, relates to electric valve positioner field, including protection casing and limit structure, its characterized in that: an electric valve positioner main body is arranged in the protective cover, and a pipeline is arranged at the rear end of the protective cover.

The clamping frame of the output end is driven to extend after the micro cylinder operates, the clamping frame is inserted into the clamping groove at the corresponding position, limiting fixation of the driving rod and the valve plate is achieved, however, the clamping frame clamping groove in the above patent can repeatedly receive larger skew force in long-term use, and is easy to damage due to abrasion under the pushing of the skew force, and meanwhile, the clamping frame is difficult to overhaul and replace an internal device by workers through the limiting box fixedly connected.

Accordingly, the present utility model has been made in view of the above problems, and an object of the present utility model is to provide an intelligent electro-pneumatic valve positioner capable of reducing stress, so as to achieve a more practical value.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides an intelligent electro-pneumatic valve positioner for reducing stress, so as to solve the above-mentioned problems in the prior art.

The utility model provides the following technical scheme: the utility model provides an intelligent electric valve locator of reduction stress, includes spacing box, switch board, actuating lever, pipeline, through flange spiral shell swing joint between spacing box and the switch board, one side rotation of spacing box runs through and installs the pivot, the one end fixed mounting of pivot has the valve block, the cross recess has been seted up to the pivot other end, connect through cross recess block between pivot and the actuating lever, pivot outside fixed mounting has spacing ring and fixture block, pivot outside movable mounting has spacing wheel, a plurality of draw-in grooves of quantity have evenly been seted up in the spacing wheel outside, the spout that corresponds the fixture block has been seted up to the spacing wheel inboard, pivot one end outside is provided with the screw thread, the nut is installed in the rotation of pivot screw thread outside, nut one side activity conflict spacing wheel, the inner wall fixed mounting of spacing box has electric putter, electric putter's telescopic end fixed mounting has the locking piece, locking piece activity conflict spacing wheel draw-in groove.

Further, be provided with two sealed cushion between spacing box and the switch board conflict face, two sealed cushion fixed mounting promotes the leakproofness of spacing box and switch board junction through two sealed cushion, prevents that outside steam from entering into inside the spacing box, causes the corruption to spacing box inside spare part to reduce the normal life of device.

Further, a sealing rubber ring is fixedly arranged on the outer side of the valve plate, the sealing rubber ring is in interference contact with the inner wall of the pipeline, and the sealing rubber ring on the outer side of the valve plate enables the valve plate to have stronger sealing performance when the pipeline is closed.

Further, the conflict end of locking piece sets up to the arc, through setting up the conflict end of locking piece to the arc for the locking piece is when inserting the recess of spacing wheel, can be along the arc limit of locking piece, more smoothly insert in the spacing wheel recess of corresponding position.

Further, the outside of the nut is set to be butterfly-shaped, and the outside of the nut is set to be butterfly-shaped, so that a worker can manually take down the nut on the rotating shaft, and the maintenance speed of the worker on the device is improved.

Further, the limit box is made of transparent materials, and the limit box is transparent, so that working conditions of devices in the limit box can be visually observed outside by workers, and the overhaul speed of the device by the workers is improved.

The utility model has the technical effects and advantages that:

1. according to the utility model, the flange screw, the rotating shaft, the limiting ring, the clamping block, the limiting wheel, the nut, the locking block and the electric push rod are arranged, when the device is used, through the movable connection between the limiting box and the control cabinet, a worker can overhaul the internal parts of the limiting box after taking down the limiting box, and meanwhile, the limiting wheel is movably arranged on the rotating shaft, so that the worker can quickly replace the damaged limiting wheel, and the practicability of the device is greatly improved.

2. According to the utility model, the two sealing rubber gaskets are arranged, so that the sealing performance of the joint of the limit box and the control cabinet is improved through the two sealing rubber gaskets when the device is used, external water vapor is prevented from entering the inside of the limit box, and corrosion is caused to parts in the limit box, so that the normal service life of the device is shortened, and the practicability of the device is greatly improved.

Drawings

Fig. 1 is a schematic perspective view of a sectional structure of the present utility model.

Fig. 2 is a schematic perspective view of a cross-sectional structure of a limit case according to the present utility model.

Fig. 3 is a schematic perspective view of a rotating shaft structure according to the present utility model.

Fig. 4 is a schematic perspective view of the structure of the present utility model.

Fig. 5 is a schematic perspective view of a control cabinet according to the present utility model.

Fig. 6 is a schematic perspective view of a nut structure according to the present utility model.

Fig. 7 is a schematic perspective view of a spacing wheel structure of the present utility model.

The reference numerals are: 100. a limit box; 101. a control cabinet; 102. a driving rod; 103. a pipe; 110. a flange screw; 111. a rotating shaft; 112. a limiting ring; 113. a clamping block; 114. a limiting wheel; 115. a nut; 116. a locking block; 117. an electric push rod; 120. a valve plate; 121. a sealing rubber ring; 122. and two sealing rubber gaskets.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Embodiment one: referring to fig. 1-7, the intelligent electric valve positioner for reducing stress provided by the utility model comprises a limit box 100, a control cabinet 101, a driving rod 102 and a pipeline 103, wherein the limit box 100 and the control cabinet 101 are movably connected through a flange screw 110, one side of the limit box 100 is rotatably provided with a rotating shaft 111 in a penetrating manner, one end of the rotating shaft 111 is fixedly provided with a valve plate 120, the other end of the rotating shaft 111 is provided with a cross groove, the rotating shaft 111 and the driving rod 102 are connected through the cross groove in a clamping manner, the outer side of the rotating shaft 111 is fixedly provided with a limit ring 112 and a clamping block 113, the outer side of the rotating shaft 111 is movably provided with limit wheels 114, the outer side of the limit wheels 114 is uniformly provided with a plurality of clamping grooves, the inner side of the limit wheels 114 is provided with corresponding clamping grooves, one end outer side of the rotating shaft 111 is provided with threads, the outer side of the rotating shaft 111 is rotatably provided with a nut 115, one side of the nut 115 is movably abutted against the limit wheels 114, the inner wall of the limit box 100 is fixedly provided with an electric push rod 117, the telescopic end of the electric push rod 117 is fixedly provided with a locking block 116, and the locking block 116 movably abutted against the limit wheels 114.

Working principle: during the use, through control cabinet 101 control actuating lever 102 and electric putter 117, when actuating lever 102 drives pivot 111 and rotates, when valve block 120 of pivot 111 one end rotates suitable angle, promote locking piece 116 through electric putter 117 for in locking piece 116 one end card goes into the recess of spacing round 114, give the locking with the rotation of pivot 111, after spacing round 114 appears damaging, take off spacing box 100 from control cabinet 101 through flange spiral shell 110, take off nut 115 again through the screw thread from pivot 111 after, change the maintenance to spacing round 114, it is spacing to the rotation of spacing round 114 on pivot 111 through fixture block 113.

Embodiment two:

the second embodiment differs from the first embodiment in that: be provided with two sealed cushion 122 between spacing box 100 and the control cabinet 101 conflict face, two sealed cushion 122 fixed mounting are at spacing box 100 surface, valve block 120 outside fixed mounting has a sealed rubber ring 121, a sealed rubber ring 121 interference conflict pipeline 103 inner wall, the conflict end of locking piece 116 sets up to the arc, the nut 115 outside sets up to the butterfly, spacing box 100 is transparent material and makes, during the use, promote the leakproofness of valve block 120 through a sealed rubber ring 121, promote the leakproofness of spacing box 100 and control cabinet 101 junction through two sealed cushion 122, through setting up the conflict end of locking piece 116 to the arc, make locking piece 116 can be along the arc limit in the faster insertion spacing wheel 114 recess of limit.

Finally: the foregoing is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the utility model, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present utility model.

Claims

1. The utility model provides an intelligent electric valve positioner of reduction stress, includes spacing box (100), switch board (101), actuating lever (102), pipeline (103), its characterized in that: the automatic control device is characterized in that the limiting box (100) is movably connected with the control cabinet (101) through a flange screw (110), one side of the limiting box (100) is rotatably penetrated and provided with a rotating shaft (111), one end of the rotating shaft (111) is fixedly provided with a valve plate (120), the other end of the rotating shaft (111) is provided with a cross groove, the rotating shaft (111) and the driving rod (102) are connected through the cross groove in a clamping mode, the outer side of the rotating shaft (111) is fixedly provided with a limiting ring (112) and a clamping block (113), the outer side of the rotating shaft (111) is movably provided with a limiting wheel (114), the outer side of the limiting wheel (114) is uniformly provided with a plurality of clamping grooves, the inner side of the limiting wheel (114) is provided with a sliding groove corresponding to the clamping block (113), the outer side of the rotating shaft (111) is rotatably provided with a nut (115), one side of the nut (115) is movably abutted against the limiting wheel (114), the inner wall of the limiting box (100) is fixedly provided with an electric push rod (117), the end of the electric push rod (117) is fixedly provided with a locking block (116), and the locking block (116) is abutted against the movable limiting wheel (116).

2. The intelligent electro-pneumatic valve positioner for reducing stress as set forth in claim 1, wherein: two sealing rubber gaskets (122) are arranged between the abutting surfaces of the limiting box (100) and the control cabinet (101), and the two sealing rubber gaskets (122) are fixedly arranged on the surface of the limiting box (100).

3. The intelligent electro-pneumatic valve positioner for reducing stress as set forth in claim 1, wherein: and a sealing rubber ring (121) is fixedly arranged on the outer side of the valve plate (120), and the sealing rubber ring (121) is in interference contact with the inner wall of the pipeline (103).

4. The intelligent electro-pneumatic valve positioner for reducing stress as set forth in claim 1, wherein: the abutting end of the locking block (116) is arranged in an arc shape.

5. The intelligent electro-pneumatic valve positioner for reducing stress as set forth in claim 1, wherein: the outer side of the nut (115) is provided with a butterfly shape.

6. The intelligent electro-pneumatic valve positioner for reducing stress as set forth in claim 1, wherein: the limit box (100) is made of transparent materials.