CN220792076U

CN220792076U - Automatic adjusting butterfly valve

Info

Publication number: CN220792076U
Application number: CN202322385924.5U
Authority: CN
Inventors: 赵元杰; 钱允辉
Original assignee: Qidong Chengjia Electromechanical Equipment Co ltd
Current assignee: Qidong Chengjia Electromechanical Equipment Co ltd
Priority date: 2023-09-04
Filing date: 2023-09-04
Publication date: 2024-04-16
Anticipated expiration: 2033-09-04

Abstract

The utility model relates to an automatic regulating butterfly valve, which comprises a valve body, wherein a disassembly and assembly regulating mechanism is arranged in the valve body, the disassembly and assembly regulating mechanism comprises a butterfly plate movably connected in the valve body, a movable rod is connected in the butterfly plate in a sliding manner, a lower valve rod is fixedly connected to the bottom end of the movable rod, a compression spring fixedly connected with the butterfly plate is sleeved on the outer side of the lower valve rod, an end seat is fixedly connected to the top of the valve body, a transmission seat is fixedly arranged at the top end of the end seat, a top shaft seat extending into the end seat is arranged in the transmission seat, and an upper valve rod corresponding to the position of the movable rod is rotatably connected in the top shaft seat. This automatically regulated butterfly valve possesses simple structure, adopts short structure, convenient operation, characteristics such as easy maintenance can also realize adjusting by oneself, can on-the-spot operation, but remote centralized control's advantage again, has solved a rod-type structure that the valve rod of butterfly valve adopted traditionally, and the valve rod is longer inconvenient for dismantling the problem of maintaining.

Description

Automatic adjusting butterfly valve

Technical Field

The utility model relates to the technical field of butterfly valves, in particular to an automatic adjusting butterfly valve.

Background

The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like, and mainly has the functions of cutting off and throttling on a pipeline, and the butterfly valve is also called a flap valve, is a regulating valve with a simple structure, and can be used for controlling the opening and closing of low-pressure pipeline media.

Please refer to a sectional valve rod type automatically regulated butterfly valve of publication number CN212055888U, put forward "traditionally, a rod type structure that the valve rod of butterfly valve adopted, the valve rod is longer inconvenient to detach and maintain" in this patent, the above-mentioned embodiment carries out spacing fixedly to the butterfly plate through first valve rod and second valve rod to make the butterfly plate can free rotation, the effect of being convenient for maintain has been reached to adoption sectional type structure, however, when carrying out the dismouting, two valve rods need be installed respectively to the butterfly valve in the above-mentioned embodiment, intensity of labour has been increased, the dismouting efficiency is lower, be unfavorable for carrying out maintenance operation, this application proposes another technical scheme to solve this technical problem to this problem.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an automatic regulating butterfly valve which has the characteristics of simple structure, short structure, convenient operation, easy maintenance and the like, can realize self-regulation, can operate on site, can realize remote centralized control and the like, and solves the problems that the valve rod of the butterfly valve adopts a rod type structure, and the valve rod is long and inconvenient to detach and maintain in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an automatic regulating butterfly valve comprises a valve body, wherein a disassembly and assembly regulating mechanism is arranged in the valve body;

the disassembly and assembly adjusting mechanism comprises a butterfly plate movably connected inside the valve body, a movable rod is slidably connected inside the butterfly plate, a lower valve rod is fixedly connected to the bottom end of the movable rod, a compression spring fixedly connected with the butterfly plate is sleeved on the outer side of the lower valve rod, an end seat is fixedly connected to the top of the valve body, a transmission seat is fixedly mounted on the top end of the end seat, and a top shaft seat extending into the end seat is arranged inside the transmission seat;

the inside rotation of top axle bed is connected with the upper valve rod that corresponds with movable rod position, the outside fixedly connected with dwang of upper valve rod, the left side of valve body is provided with actuating mechanism, actuating mechanism's output fixed mounting has the dwang with the connecting rod is articulated.

Further, the inside of lower valve rod and last valve rod has all been seted up a quantity and has been two locating holes, the inside of butterfly plate has been seted up a quantity and has been four connecting hole.

Further, the inside swing joint of butterfly plate has the connecting bolt that corresponds with the connecting hole position, and connecting bolt passes connecting hole and locating hole, the rear side swing joint of butterfly plate has the nut with connecting bolt screw thread adaptation.

Further, the inside of valve body wears to be equipped with the axle sleeve that is two in quantity, and two axle sleeve outer walls and valve body fixed connection, two the axle sleeve inner wall respectively with lower valve rod and last valve rod rotary fit.

Further, the bottom fixedly connected with spacing seat of valve body, the top fixedly connected with of spacing seat is with wear pad of lower valve rod laminating.

Further, the top of the top shaft seat is fixedly connected with a supporting bearing which is in rotary fit with the upper valve rod, and the left side of the valve body is fixedly connected with a motor seat.

Further, the actuating mechanism is composed of a speed reducer, a position transmitter and a motor, and an operator electrically connected with the valve body is arranged outside the valve body.

Further, a servo amplifier electrically connected with the motor and the position transmitter is arranged outside the valve body, and the servo amplifier is connected with an external three-phase power supply.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

according to the automatic regulating butterfly valve, through the provided dismounting and mounting regulating mechanism, only the upper valve rod is required to be mounted, the upper valve rod can push the lower valve rod in the butterfly plate by using the movable rod, and the lower valve rod extends to the outside of the butterfly plate, so that the upper side and the lower side of the butterfly plate are rapidly subjected to limit mounting, the dismounting and mounting efficiency is effectively improved, and the aim of being convenient for maintenance and overhaul is fulfilled; in addition, the actuating mechanism can be matched and combined with the servo amplifier and the manipulator to realize an automatic adjusting function, and the device can be operated on site and controlled in a centralized manner at a long distance, so that the practicability of the device is effectively improved.

Drawings

FIG. 1 is a front elevational view of the structure of the present utility model;

FIG. 2 is a side cross-sectional view of the structure of the present utility model;

FIG. 3 is a schematic system diagram of an actuator of the present utility model.

In the figure: 1. a valve body; 2. a butterfly plate; 3. a movable rod; 4. a lower valve rod; 5. a compression spring; 6. an end seat; 7. a transmission seat; 8. a top shaft seat; 9. an upper valve rod; 10. a shaft sleeve; 11. a support bearing; 12. a rotating lever; 13. a motor base; 14. a connecting rod; 15. an actuator; 1501. a speed reducer; 1502. a position transmitter; 1503. a motor; 16. an operator; 17. a limit seat; 18. a servo amplifier.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, an automatic adjusting butterfly valve in this embodiment includes a valve body 1, and a disassembly and assembly adjusting mechanism is disposed inside the valve body 1.

In this embodiment, dismouting adjustment mechanism includes valve body 1 inside swing joint's butterfly plate 2, the inside sliding connection of butterfly plate 2 has movable rod 3, the bottom fixedly connected with lower valve rod 4 of movable rod 3, compression spring 5 with butterfly plate 2 fixed connection has been cup jointed in the outside of lower valve rod 4, the bottom fixedly connected with spacing seat 17 of valve body 1, the top fixedly connected with of spacing seat 17 and the wear pad of laminating of lower valve rod 4, the activity of conveniently utilizing spacing seat 17 restriction lower valve rod 4 bottom to utilize wear pad support lower valve rod 4, play the effect that isolated lower valve rod 4 caused wearing and tearing to spacing seat 17, ensure butterfly plate 2 rotatory steady smooth.

Wherein, the top fixedly connected with end seat 6 of valve body 1, the top fixed mounting of end seat 6 has drive seat 7, and the inside of drive seat 7 is provided with the top axle bed 8 that extends to in the end seat 6, and the inside rotation of top axle bed 8 is connected with the upper valve rod 9 that corresponds with movable rod 3 position, conveniently utilizes top axle bed 8 to keep the rotation stability of upper valve rod 9.

In this embodiment, the inside of lower valve rod 4 and upper valve rod 9 has all been seted up a quantity and has been had a quantity of locating holes, and the connecting hole that is four has been seted up to the inside of butterfly plate 2, and the inside swing joint of butterfly plate 2 has the connecting bolt that corresponds with the connecting hole position, and connecting bolt passes connecting hole and locating hole, and the rear side swing joint of butterfly plate 2 has the nut with connecting bolt screw thread adaptation, conveniently when locating hole and connecting hole correspond, restrict the activity of lower valve rod 4 and upper valve rod 9 through connecting bolt.

Wherein, the inside of valve body 1 wears to be equipped with a quantity for two axle sleeve 10, and two axle sleeve 10 outer walls and valve body 1 fixed connection, two axle sleeve 10 inner walls respectively with lower valve rod 4 and upper valve rod 9 rotary fit, conveniently utilize axle sleeve 10 to improve the activity stability of lower valve rod 4 and upper valve rod 9 to reduce the wearing and tearing that valve body 1 caused lower valve rod 4 and upper valve rod 9.

In this embodiment, a rotating rod 12 is fixedly connected to the outer side of the upper valve rod 9, a supporting bearing 11 which is rotationally matched with the upper valve rod 9 is fixedly connected to the top of the top shaft seat 8, the rotating rod 12 is supported by the supporting bearing 11 conveniently, the obstruction of the top shaft seat 8 to the movement of the rotating rod 12 is reduced, an actuating mechanism 15 is arranged on the left side of the valve body 1, a motor seat 13 is fixedly connected to the left side of the valve body 1, the actuating mechanism 15 consists of a speed reducer 1501, a position transmitter 1502 and a motor 1503, and the rotating rod 12 hinged with a connecting rod 14 is fixedly arranged at the output end of the actuating mechanism 15.

The servo amplifier 18 electrically connected to the motor 1503 and the position transmitter 1502 is disposed outside the valve body 1, the servo amplifier 18 is connected to an external three-phase power supply, so that the three-phase power supply is conveniently utilized to supply energy to the actuator 15, and the position transmitter 1502 and the servo amplifier 18 form feedback, so that the valve body 1 is conveniently regulated and controlled according to practical situations, the operator 16 electrically connected to the motor 1503 is disposed outside the valve body 1, and the operator 16 is conveniently utilized to realize on-site or remote centralized control.

The beneficial effects of the embodiment are as follows:

according to the automatic regulating butterfly valve, through the provided dismounting and mounting regulating mechanism, only the upper valve rod 9 is required to be mounted, the upper valve rod 9 can push the lower valve rod 4 in the butterfly plate 2 by using the movable rod 3, so that the lower valve rod 4 extends to the outside of the butterfly plate 2, the upper side and the lower side of the butterfly plate 2 are rapidly subjected to limiting mounting, the dismounting and mounting efficiency is effectively improved, and the aim of being convenient for maintenance and overhaul is fulfilled; in addition, the arranged actuating mechanism 15 can be matched and combined with the servo amplifier 18 and the manipulator 16 to realize an automatic adjusting function, and the device can be operated on site and controlled in a centralized manner at a long distance, so that the practicability of the device is effectively improved.

The working principle of the embodiment is as follows:

when the butterfly plate 2 is installed, the butterfly plate 2 is firstly required to be placed in the valve body 1, so that the lower valve rod 4 corresponds to the position of the limiting seat 17, then the upper valve rod 9 can be placed in the jacking shaft seat 8, so that the upper valve rod 9 pushes the lower valve rod 4 in the butterfly plate 2 by using the movable rod 3, the lower valve rod 4 extends to the outside of the butterfly plate 2, the limiting seat 17 limits the movement of the bottom end of the lower valve rod 4, the lower valve rod 4 is supported by using the wear pad, the effect of isolating the lower valve rod 4 from wearing the limiting seat 17 is achieved, the butterfly plate 2 is ensured to rotate stably and smoothly, and then the butterfly plate 2 can be installed by limiting the movement of the lower valve rod 4 and the upper valve rod 9 by using the connecting bolts only when the positioning holes correspond to the connecting holes, so that the upper side and the lower side of the butterfly plate 2 are quickly subjected to limiting installation, the dismounting efficiency is effectively improved, and the aim of being convenient for maintenance and overhaul is achieved; in addition, the arranged actuating mechanism 15 can be matched and combined with the servo amplifier 18 and the manipulator 16 to realize an automatic adjusting function, and the device can be operated on site and controlled in a centralized manner at a long distance, so that the practicability of the device is effectively improved.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An automatically regulated butterfly valve, includes valve body (1), its characterized in that: a disassembly and assembly adjusting mechanism is arranged in the valve body (1);

the disassembly and assembly adjusting mechanism comprises a butterfly plate (2) movably connected inside the valve body (1), a movable rod (3) is slidably connected inside the butterfly plate (2), a lower valve rod (4) is fixedly connected to the bottom end of the movable rod (3), a compression spring (5) fixedly connected with the butterfly plate (2) is sleeved on the outer side of the lower valve rod (4), an end seat (6) is fixedly connected to the top of the valve body (1), a transmission seat (7) is fixedly installed at the top end of the end seat (6), and a top shaft seat (8) extending into the end seat (6) is arranged inside the transmission seat (7);

the inside rotation of top axle bed (8) is connected with upper valve rod (9) that correspond with movable rod (3) position, the outside fixedly connected with dwang (12) of upper valve rod (9), the left side of valve body (1) is provided with actuating mechanism (15), actuating mechanism (15) output fixed mounting has dwang (12) articulated with connecting rod (14).

2. The self-regulating butterfly valve of claim 1, wherein: the inner parts of the lower valve rod (4) and the upper valve rod (9) are respectively provided with two positioning holes, and the inner part of the butterfly plate (2) is provided with four connecting holes.

3. A self-regulating butterfly valve according to claim 2, wherein: the inside swing joint of butterfly plate (2) has the connecting bolt that corresponds with the connecting hole position, and connecting bolt passes connecting hole and locating hole, the rear side swing joint of butterfly plate (2) has the nut with connecting bolt screw thread adaptation.

4. The self-regulating butterfly valve of claim 1, wherein: the inside of valve body (1) wears to be equipped with a quantity of axle sleeve (10) for two, and two axle sleeve (10) outer wall and valve body (1) fixed connection, two axle sleeve (10) inner wall respectively with lower valve rod (4) and last valve rod (9) rotary fit.

5. The self-regulating butterfly valve of claim 1, wherein: the bottom of valve body (1) fixedly connected with spacing seat (17), the top fixedly connected with of spacing seat (17) is with wear pad of laminating of lower valve rod (4).

6. The self-regulating butterfly valve of claim 1, wherein: the top of the top shaft seat (8) is fixedly connected with a supporting bearing (11) which is in rotary fit with the upper valve rod (9), and the left side of the valve body (1) is fixedly connected with a motor seat (13).

7. The self-regulating butterfly valve of claim 1, wherein: the actuating mechanism (15) is composed of a speed reducer (1501), a position transmitter (1502) and a motor (1503), and an operator (16) electrically connected with the motor (1503) is arranged outside the valve body (1).

8. The self-regulating butterfly valve of claim 7, wherein: a servo amplifier (18) electrically connected with the motor (1503) and the position transmitter (1502) is arranged outside the valve body (1), and the servo amplifier (18) is connected with an external three-phase power supply.