CN220646795U - Multilayer sealing butterfly valve convenient to equipment - Google Patents

Abstract

The utility model relates to the technical field of butterfly valves, and discloses a multi-layer sealed butterfly valve that is easy to assemble and includes a valve body. The valve body includes a valve body main body. The top and bottom of both sides of the valve body main body are provided with threads. holes, slide grooves are provided at both ends of the valve body body, sealing grooves are provided on both sides of the inner wall of the valve body body, the sealing groove is connected with the slide groove, and a chute is provided in the middle of the inner wall of the valve body body. There are installation grooves, and fixing mechanisms are provided on both sides of the top and bottom of the valve body. The inner cavity of the valve body is provided with a butterfly plate, and one side of the butterfly plate is fixedly connected with a fixing lug. The utility model The fixed mechanism is provided to facilitate the fixed installation of pipes of different types and sizes. It is easy to operate and has strong applicability. The slider slides in the chute, and the second sealing sleeve is provided to facilitate the sealing effect of the connection. Improving the convenience of installation will help improve the practicality of the device.

Description

A multi-layer sealing butterfly valve that is easy to assemble

Technical field

The utility model relates to the technical field of butterfly valves, and more specifically to a multi-layer sealing butterfly valve that is easy to assemble.

Background technique

Butterfly valve, also called flip valve, is a regulating valve with a simple structure that can be used to switch on and off low-pressure pipeline media. The butterfly valve means that the closing part (valve disc or butterfly plate) is a disk, which rotates around the valve axis to open and close. of a valve. Valves can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media. They mainly play the role of cutting off and throttling on pipelines. The opening and closing parts of butterfly valves are A disc-shaped butterfly plate rotates around its own axis in the valve body to achieve the purpose of opening and closing or adjustment.

The sealing form of existing sealed butterfly valves is mostly metal-to-metal sealing, which has weak pressure-bearing capacity and poor sealing performance. It is easy to cause leakage if the time is too long. In addition, the existing sealed butterfly valves are inconvenient to install and disassemble, resulting in low installation and disassembly efficiency. .

Utility model content

In order to overcome the above-mentioned defects of the prior art, the present invention provides a multi-layer sealing butterfly valve that is easy to assemble to solve the problems existing in the above-mentioned background art.

The utility model provides the following technical solution: a multi-layer sealing butterfly valve that is easy to assemble, including a valve body. The valve body includes a valve body body, and threaded holes are provided at the top and bottom of both sides of the valve body body. There are slide grooves at both ends of the valve body body, sealing grooves are provided on both sides of the inner wall of the valve body body, the sealing groove is connected with the slide groove, and a mounting groove is provided in the middle of the inner wall of the valve body body. The top and bottom of both sides of the valve body are provided with fixing mechanisms. The inner cavity of the valve body is provided with a butterfly plate. One side of the butterfly plate is fixedly connected with a fixing lug. One side of the butterfly plate A valve stem is provided, the butterfly plate and the valve stem are fixedly connected through fixed lugs, the bottom of the valve stem is provided with a second bearing, the top of the valve stem is provided with a turbine actuator, and the front side of the turbine actuator is provided with a valve stem. There is a transmission worm, and an end of the transmission worm away from the turbine driver is fixedly connected with a rotating handle;

Further, the fixing mechanism includes a rotating handle, a threaded rotating rod is fixedly connected to the bottom of the rotating handle, a first bearing is provided at one end of the threaded rotating rod passing through the valve body, and the bottom of the first bearing is provided with a first bearing. There is an arc-shaped fixed ring, and the outer wall threads of the threaded rotating rod and the inner wall threads of the threaded hole are adapted to each other.

Further, a plurality of buffer springs are fixedly connected to the side of the butterfly plate away from the fixed lug, and a buffer reinforcement plate is fixedly connected to the end of the buffer springs away from the butterfly plate. The outer wall of the butterfly plate is provided with an internal anti-slip sleeve, so The outer wall of the inner anti-slip sleeve is provided with a first sealing sleeve, and the first sealing sleeve is installed inside the installation groove.

Further, pipes are provided at both ends of the valve body, and a second sealing sleeve is provided at one end of the pipe. A slider is fixedly connected to the outer wall of the second sealing sleeve, and the slider and the slide groove constitute a Sliding limit structure.

Further, a connecting pipe is provided on the top of the valve body body, and the valve stem is installed inside the connecting pipe.

Further, the number of the fixing mechanisms is four groups, and they are symmetrically distributed.

Technical effects and advantages of this utility model:

1. This utility model is equipped with a fixing mechanism. By rotating the rotating handle, the rotating handle drives the threaded rotating rod to rotate in the threaded hole, and then drives the arc-shaped fixing ring to move up and down, thereby facilitating the fixed installation and operation of pipelines of different types and sizes. Convenient and highly adaptable, the slider slides in the chute, and the second sealing sleeve is provided to facilitate the sealing of the connection, improve the convenience of installation, and help improve the practicality of the device.

2. The utility model is provided with a buffer reinforcing plate, a buffer spring and a buffer reinforcing plate, which facilitates a certain protective effect on the butterfly plate and improves the service life of the butterfly plate. The first sealing sleeve is fixedly installed on the In the installation groove, the internal anti-slip sleeve and the first sealing sleeve cooperate with each other to facilitate the improvement of the sealing performance of the sealing butterfly valve and to improve the sealing performance of the entire device.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the utility model.

Figure 2 is a schematic diagram of the overall cross-sectional structure of the utility model.

Figure 3 is a schematic cross-sectional structural diagram of the valve body of the present utility model.

Figure 4 is a schematic diagram of the butterfly plate connection explosion structure of the present utility model.

Figure 5 is a schematic structural diagram of the fixing mechanism of the present invention.

The reference numbers are: 1. Valve body; 101. Valve body body; 102. Sealing groove; 103. Slide groove; 104. Threaded hole; 105. Installation groove; 2. Pipe; 3. Connecting pipe; 4. Turbine drive ; 5. Rotating handle; 6. Transmission worm; 7. Fixed mechanism; 701. Rotating handle; 702. Threaded rotating rod; 703. First bearing; 704. Arc fixed ring; 8. First sealing sleeve; 9. Fixed Ear; 10. Valve stem; 11. Internal anti-slip sleeve; 12. Butterfly plate; 13. Buffer spring; 14. Buffer reinforcement plate; 15. Second bearing; 16. Second sealing sleeve; 17. Slider.

Detailed ways

The technical solutions in the present utility model will be described clearly and completely below with reference to the accompanying drawings in the present utility model. In addition, the forms of each structure described in the following embodiments are only illustrations. An easy-to-assemble multi-layer sealing butterfly valve is not limited to the structures described in the following embodiments. All other embodiments obtained by those of ordinary skill in the art without creative work belong to this invention. Scope of utility model protection.

Referring to Figures 1-5, the utility model provides a multi-layer sealed butterfly valve that is easy to assemble, including a valve body 1. The valve body 1 includes a valve body main body 101. The top and bottom of both sides of the valve body main body 101 are provided with threaded holes. 104. There are slide grooves 103 at both ends of the valve body body 101. There are sealing grooves 102 on both sides of the inner wall of the valve body body 101. The sealing groove 102 is connected with the slide groove 103. There is a mounting groove in the middle of the inner wall of the valve body body 101. 105. The valve body body 101 is provided with fixing mechanisms 7 at the top and bottom on both sides. The inner cavity of the valve body body 101 is provided with a butterfly plate 12. One side of the butterfly plate 12 is fixedly connected with a fixing ear 9. One side of the butterfly plate 12 A valve stem 10 is provided on the side of the valve stem 10. The butterfly plate 12 and the valve stem 10 are fixedly connected through fixed lugs 9. The bottom of the valve stem 10 is provided with a second bearing 15. The top of the valve stem 10 is provided with a turbine actuator 4. The turbine actuator 4 There is a transmission worm 6 on the front. The end of the transmission worm 6 away from the turbine driver 4 is fixedly connected to a rotating handle 5. A buffer reinforcement plate 14 is provided, and a buffer spring 13 and a buffer reinforcement plate 14 are provided to facilitate the lifting of the butterfly plate 12. To achieve a certain protective effect, it is easy to improve the service life of the butterfly plate 12. By fixing the first sealing sleeve 8 in the installation groove 105, and through the mutual cooperation between the internal anti-slip sleeve 11 and the first sealing sleeve 8, it is easy to improve the sealing butterfly valve's service life. Sealing performance is beneficial to improving the sealing performance of the entire device.

In a preferred embodiment, the fixing mechanism 7 includes a rotating handle 701. The bottom of the rotating handle 701 is fixedly connected with a threaded rotating rod 702. One end of the threaded rotating rod 702 passing through the valve body 101 is provided with a first bearing 703. The bottom of the bearing 703 is provided with an arc-shaped fixed ring 704. The outer wall threads of the threaded rotating rod 702 and the inner wall threads of the threaded hole 104 are adapted to each other. The fixing mechanism 7 is provided and the rotating handle 701 is rotated. The rotating handle 701 drives the threaded rotating rod. 702 rotates in the threaded hole 104, thereby driving the arc-shaped fixing ring 704 to move up and down, thereby facilitating the fixed installation of pipes 2 of different types and sizes. It is easy to operate and has strong applicability. The slider 17 slides in the chute 103. The second sealing sleeve 16 provided facilitates the sealing function of the connection, improves the convenience of installation, and is conducive to improving the practicality of the device.

In a preferred embodiment, a plurality of buffer springs 13 are fixedly connected to the side of the butterfly plate 12 away from the fixing ears 9, and a buffer reinforcement plate 14 is fixedly connected to the end of the buffer springs 13 away from the butterfly plate 12. The outer wall of the butterfly plate 12 is provided with There is an inner anti-slip sleeve 11, and the outer wall of the inner anti-slip sleeve 11 is provided with a first sealing sleeve 8. The first sealing sleeve 8 is installed inside the installation groove 105.

In a preferred embodiment, pipes 2 are provided at both ends of the valve body 101, and a second sealing sleeve 16 is provided at one end of the pipe 2. A slider 17 is fixedly connected to the outer wall of the second sealing sleeve 16. The slider 17 It forms a sliding limiting structure with the chute 103 .

In a preferred embodiment, the top of the valve body body 101 is provided with a connecting pipe 3 , and the valve stem 10 is installed inside the connecting pipe 3 .

In a preferred embodiment, the number of fixing mechanisms 7 is four groups, and they are symmetrically distributed.

The working principle of the utility model: when using the multi-layer sealing butterfly valve that is easy to assemble, first, through the provided fixing mechanism 7, by rotating the rotating handle 701, the rotating handle 701 drives the threaded rotating rod 702 to rotate in the threaded hole 104 , and then drive the arc-shaped fixing ring 704 to move up and down, thereby facilitating the fixed installation of pipes 2 of different types and sizes. It is easy to operate and has strong applicability. The slider 17 slides in the chute 103, and the second sealing sleeve 16 is provided. , to facilitate the sealing effect of the connection and improve the convenience of installation. Through the buffer reinforcement plate 14, the buffer spring 13 and the buffer reinforcement plate 14, it is convenient to play a certain protective role on the butterfly plate 12, so as to facilitate the installation. To improve the service life of the butterfly plate 12, by fixing the first sealing sleeve 8 in the installation groove 105, and through the mutual cooperation between the internal anti-slip sleeve 11 and the first sealing sleeve 8, it is easy to improve the sealing performance of the sealed butterfly valve and improve the overall device. The sealing performance is beneficial to improving the practicality of the device.

Claims (6)

1. A multi-layer sealed butterfly valve that is easy to assemble, including a valve body (1), characterized in that: the valve body (1) includes a valve body main body (101), and the tops of both sides of the valve body main body (101) Threaded holes (104) are provided on the bottom and bottom of the valve body (101), slide grooves (103) are provided on both ends of the valve body main body (101), and sealing grooves (102) are provided on both sides of the inner wall of the valve body main body (101). , the sealing groove (102) is connected with the chute (103), a mounting groove (105) is provided in the middle of the inner wall of the valve body main body (101), and the top and bottom of both sides of the valve body main body (101) are A fixing mechanism (7) is provided. The inner cavity of the valve body (101) is provided with a butterfly plate (12). One side of the butterfly plate (12) is fixedly connected with a fixing ear (9). The butterfly plate A valve stem (10) is provided on one side of (12), the butterfly plate (12) and the valve stem (10) are fixedly connected through fixed lugs (9), and a second bearing is provided at the bottom of the valve stem (10) (15), the top of the valve stem (10) is provided with a turbine driver (4), the front side of the turbine driver (4) is provided with a transmission worm (6), and the transmission worm (6) is far away from the turbine transmission One end of the device (4) is fixedly connected with a rotating handle (5). 2. A multi-layer sealing butterfly valve that is easy to assemble according to claim 1, characterized in that: the fixing mechanism (7) includes a rotating handle (701), and the bottom of the rotating handle (701) is fixedly connected with Threaded rotating rod (702). One end of the threaded rotating rod (702) passing through the valve body (101) is provided with a first bearing (703). The bottom of the first bearing (703) is provided with an arc-shaped fixed ring. (704), the outer wall threads of the threaded rotating rod (702) and the inner wall threads of the threaded hole (104) are adapted to each other. 3. A multi-layer sealed butterfly valve that is easy to assemble according to claim 1, characterized in that: a plurality of buffer springs (13) are fixedly connected to the side of the butterfly plate (12) away from the fixed ear (9). , one end of the buffer spring (13) away from the butterfly plate (12) is fixedly connected with a buffer reinforcement plate (14), the outer wall of the butterfly plate (12) is provided with an internal anti-slip sleeve (11), and the internal anti-slip sleeve (11) The outer wall of 11) is provided with a first sealing sleeve (8), and the first sealing sleeve (8) is installed inside the installation groove (105). 4. A multi-layer sealed butterfly valve that is easy to assemble according to claim 1, characterized in that: pipes (2) are provided at both ends of the valve body (101), and the pipes (2) A second sealing sleeve (16) is provided at one end, and a slider (17) is fixedly connected to the outer wall of the second sealing sleeve (16). The slider (17) and the slide groove (103) form a sliding limiting structure. 5. A multi-layer sealed butterfly valve that is easy to assemble according to claim 1, characterized in that: the top of the valve body (101) is provided with a connecting pipe (3), and the valve stem (10) is installed Inside the connecting pipe (3). 6. A multi-layer sealing butterfly valve that is easy to assemble according to claim 1, characterized in that the number of the fixing mechanisms (7) is four groups and they are symmetrically distributed.