CN217583209U - A butterfly valve for large-scale mechanical equipment with leak-proof structure - Google Patents

Abstract

The utility model provides a butterfly valve for large-scale mechanical equipment with a leak-proof structure, comprising a valve frame, a fixing plate, a valve stem and a valve plate. The fixing plate is installed on both sides of the valve frame, the fixing plate is provided with fixing holes, and the valve frame There is a port 1 on the inner side, a fixing ring 1 is arranged outside the port 1, and the fixing ring 1 is installed on the lower side of the valve frame. This kind of butterfly valve with a leak-proof structure for large mechanical equipment can effectively prevent the If the mechanical equipment leaks, the device can be installed and fixed on the mechanical equipment through the fixing plates and fixing holes installed on both sides, which is convenient for installation operations. Operation, the installed protective layer can play a protective role, and the installed handle can facilitate the rotation operation.

Description

A butterfly valve for large-scale mechanical equipment with leak-proof structure

technical field

The utility model relates to the field of butterfly valves, in particular to a butterfly valve for large-scale mechanical equipment with a leak-proof structure.

Background technique

Butterfly valve, also known as flap valve, is a kind of regulating valve with simple structure. Butterfly valve that can be used for on-off control of low-pressure pipeline medium means that the closing member (disc or butterfly plate) is a disc, which rotates around the valve shaft to achieve opening and closing. 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. It mainly plays the role of cutting and throttling on the pipeline. The butterfly valve opening and closing part is a disc-shaped butterfly plate, which rotates around its own axis in the valve body to achieve the purpose of opening and closing or adjustment.

Utility model content

The purpose of the utility model is to design a butterfly valve for large-scale machinery equipment with a leak-proof structure, which can effectively prevent leakage during use.

In order to achieve the purpose of the above utility model, the technical scheme adopted by the utility model is: a butterfly valve for large-scale machinery equipment with a leak-proof structure, which is characterized in that it includes a valve frame, a fixed plate, a valve stem and a valve plate, and the fixed plate It is installed on both sides of the valve frame, the fixing plate is provided with fixing holes, the inner side of the valve frame is provided with a port 1, and the port 1 is provided with a fixing ring 1, and the fixing ring 1 is installed on the valve. On the lower side of the frame, the fixing ring 1 is provided with a protective ring, the lower side of the protective ring is provided with a groove 1, the side of the valve frame away from the port 1 is provided with a port 2, and the valve plate 1 A sealing ring is arranged on the side, and mounting blocks are symmetrically arranged at both ends of the side of the valve plate away from the sealing ring. The first fixing ring is provided with a fixing bolt 1, one end of the fixing bolt is installed in the second groove through the through opening, one side of the fixing bolt is provided with a groove 3, and the lower side of the fixing ring is provided with a groove 3. There is a mounting plate, the mounting plate is provided with a port 4, the port 4 is provided with a fixing bolt 3, the three ends of the fixing bolt are installed in the groove 1, and the valve frame is provided with a fixing ring Two, the fixing ring 2 is provided with a groove 4, the fixing ring 2 is provided with a fixing ring 3, the fixing ring 2 is provided with a through hole 5, and the through hole 5 is provided with a fixing bolt 4, One end of the four fixing bolts is installed in the fourth groove, the second fixing ring and the third fixing ring are provided with a protective layer, the fixing ring 3 is provided with a fixing block, and one end of the valve rod passes through the fixing block, The fixing ring 3, the fixing ring 2 and the port 2 are installed in the groove 2 at one end away from the fixing bolt, the valve stem is provided with a groove 5 at one end, and the through port 1 is provided with the fixing bolt 2. Two ends of the fixing bolt are respectively installed in the third groove and the fifth groove, and the end of the valve rod away from the fifth groove is provided with a handle.

Preferably, the fixing holes are installed in an annular array on the fixing plate.

Preferably, the groove 1 and the through opening 4 are respectively installed in a circular array on the fixing ring 1 and the mounting plate.

Preferably, the fourth groove and the fifth opening are respectively installed on the second fixing ring and the third fixing ring in an annular array.

The beneficial effects of the utility model are as follows: the butterfly valve for large-scale mechanical equipment with a leak-proof structure can effectively prevent leakage of the mechanical equipment when in use, and the device can be installed and fixed on the mechanical equipment through the fixing plates and fixing holes installed on both sides. The valve plate is installed and fixed at both ends for sealing operation. At the same time, the sealing ring installed on one side can also be used for sealing operation. The installed protective layer can play a protective role, and the installed handle can be easily rotated. .

Description of drawings

1 is a front perspective view of a butterfly valve for large-scale mechanical equipment with a leak-proof structure of the present invention;

2 is a front view of a butterfly valve for large-scale mechanical equipment with a leak-proof structure of the present invention;

3 is an enlarged view of a butterfly valve fixing bolt for large-scale mechanical equipment with a leak-proof structure of the present invention;

Figure 4 is a left side view of a butterfly valve fixing plate for large-scale mechanical equipment with a leak-proof structure of the present invention.

Reference number comparison table:

1. Valve frame; 2. Fixing plate; 3. Fixing hole; 4. Port 1; 5. Port 2; 6. Fixing ring 1; 7. Protection ring; 8. Groove 1; 9. Valve plate; 10 , sealing ring; 11, fixed bolt two; 12, mounting block; 13, groove two; 14, port three; 15, fixed bolt one; 16, groove three; 17, port four; 18, fixed bolt three ;19, valve stem; 20, groove five; 21, fixed ring two; 22, protective layer; 23, groove four; 24, fixed ring three; 25, port five; 26, fixed bolt four; 27, fixed block; 28, handle; 29, mounting plate.

Detailed ways

In order to make the content of the present utility model easier to understand clearly, the technical solutions in the embodiments of the present utility model will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present utility model. Wherein the same parts are denoted by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to the directions in the drawings, and the words "inner" and "outer" ” refer to directions towards or away from the geometric center of a particular part, respectively.

As shown in FIG. 1, a butterfly valve for large-scale mechanical equipment with a leak-proof structure includes a valve frame 1, a fixed plate 2, a valve stem 19 and a valve plate 9. The fixed plate 2 is installed on both sides of the valve frame 1, so The fixing plate 2 is provided with a fixing hole 3, and the device can be installed and fixed on the mechanical equipment through the fixing plate 2 and the fixing hole 3 installed on both sides, which is convenient for installation operation. 4. A fixing ring 1 6 is arranged outside the port 1 4, the fixing ring 1 6 is installed on the lower side of the valve frame 1, and a protective ring 7 is arranged inside the fixing ring 1 6, and the lower side of the protective ring 7 A groove one 8 is provided, and a port two 5 is provided on the side of the valve frame 1 away from the port one 4 .

The valve plate 9 is provided with a sealing ring 10 on one side. The valve plate 9 performs a sealing operation through the installation and fixing of both ends. At the same time, the sealing ring 10 installed on one side can also perform a sealing operation. The two ends of the side are symmetrically provided with mounting blocks 12, the mounting block 12 is provided with a groove two 13, the inner side of the groove two 13 is provided with a through port three 14, and the fixing ring one 6 is provided with a fixing bolt One 15, one end of the fixing bolt 1 15 is installed in the second groove 13 through the opening 1 4, one side of the fixing bolt 1 15 is provided with a groove 3 16, and the lower side of the fixing ring 1 6 is provided with an installation Plate 29 , the mounting plate 29 is provided with a through port 4 17 , a fixing bolt 3 18 is arranged in the through port 4 17 , and one end of the fixing bolt 18 is installed in the groove 1 8 .

The valve frame 1 is provided with a second fixing ring 21, the fixing ring 2 21 is provided with a groove 4 23, the fixing ring 2 21 is provided with a fixing ring 3 24, and the fixing ring 2 21 is provided with a fixing ring 24. The port five 25, the port five 25 is provided with a fixing bolt four 26, one end of the fixing bolt four 26 is installed in the groove four 23, the fixed ring two 21 and the fixed ring three 24 are provided with a protective layer 22. The installed protective layer 22 can play a protective role, and the third fixing ring 24 is provided with a fixing block 27 .

One end of the valve stem 19 passes through the fixing block 27, the fixing ring 24, the fixing ring 21 and the port 2 5 and is installed in the groove 2 13 away from the end of the fixing bolt 1 15, and one end of the valve stem 19 is provided with a recess. Slot five 20, a fixing pin 2 11 is arranged in the through port 1 4, one end of the fixing pin 2 11 is respectively installed in the groove 3 16 and the groove 5 20, and the valve stem 19 is away from the groove 5 20. A handle 28 is provided at one end of the handle 28, and the installed handle 28 can be easily rotated.

The fixing holes 3 are installed on the fixing plate 2 in an annular array.

The first groove 8 and the through port 4 17 are installed in an annular array on the fixing ring 1 6 and the mounting plate 29 respectively.

The fourth groove 23 and the fifth opening 25 are respectively installed on the second fixing ring 21 and the third fixing ring 24 in an annular array.

When the utility model is working, the device is installed on the mechanical equipment, the fixed operation is performed by installing the quota fixing plate 2 and the fixing hole 3 on both sides, and the valve is opened or closed by operating the handle 28. The handle 28 rotates to drive the valve stem 19. Rotate, one end of the valve stem 19 is installed on the mounting block 12, and can be rotated, and the other end of the valve plate 9 is connected with the mounting block 12 through the fixing bolt 15 to fix the position, and the valve stem 19 drives the valve plate 9 to perform Rotation, the protective layer 22 installed on one side of the valve plate 9 plays a role of sealing, and the two ends of the valve plate 9 also play a role of sealing through the clamping.

The above are only the preferred embodiments of the present invention patent, and are not intended to limit the present invention patent. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention patent shall be Included within the scope of protection of this utility model patent.

Claims (4)

1. A butterfly valve for large mechanical equipment with a leak-proof structure, characterized in that it comprises a valve frame (1), a fixing plate (2), a valve stem (19) and a valve plate (9), the fixing plate (2) ) is installed on both sides of the valve frame (1), the fixing plate (2) is provided with a fixing hole (3), and the inner side of the valve frame (1) is provided with a port one (4), the port One (4) is provided with a fixed ring one (6) outside, the fixed ring one (6) is installed on the lower side of the valve frame (1), and the fixed ring one (6) is provided with a protective ring (7), so The lower side of the protective ring (7) is provided with a groove one (8), the side of the valve frame (1) away from the port one (4) is provided with a port two (5), and the valve plate (9) is provided with a port two (5). A sealing ring (10) is provided on one side of the valve plate (9), and mounting blocks (12) are symmetrically provided on both ends of the side of the valve plate (9) away from the sealing ring (10), and a groove is provided on the mounting block (12). Two (13), the inner side of the groove two (13) is provided with a through port three (14), the fixing ring one (6) is provided with a fixing bolt (15), the fixing bolt one (15) ) one end is installed in the second groove (13) through the first port (4), the one side of the fixing bolt (15) is provided with a third groove (16), and the lower side of the fixing ring one (6) is provided with a groove three (16). There is a mounting plate (29), the mounting plate (29) is provided with four through ports (17), the four through ports (17) are provided with three fixing bolts (18), and the three fixing bolts (18) One end is installed in the first groove (8), the valve frame (1) is provided with a second fixing ring (21), and the second fixing ring (21) is provided with a fourth groove (23). The second (21) is provided with a fixing ring three (24), the fixing ring two (21) is provided with a port five (25), and the port five (25) is provided with a fixing bolt four (26), One end of the fourth (26) fixing bolt is installed in the fourth groove (23), the second fixing ring (21) and the third fixing ring (24) are provided with a protective layer (22), and the third fixing ring (24) is provided with a protective layer (22). ) is provided with a fixing block (27), and one end of the valve stem (19) passes through the fixing block (27), the third fixing ring (24), the second fixing ring (21) and the second port (5) and is installed away from the fixed In the groove two (13) at one end of the bolt one (15), the valve stem (19) is provided with a groove five (20) at one end, and the port one (4) is provided with a fixing bolt two (11), One end of the second fixing bolt (11) is respectively installed in the third groove (16) and the fifth groove (20), and one end of the valve rod (19) away from the fifth groove (20) is provided with a handle (28). . 2 . The butterfly valve for large mechanical equipment with a leak-proof structure according to claim 1 , wherein the fixing holes ( 3 ) are installed in an annular array on the fixing plate ( 2 ). 3 . 3. The butterfly valve for large-scale mechanical equipment with a leak-proof structure according to claim 1, wherein the groove one (8) and the port four (17) are installed on the fixing ring one (6). The plates (29) are respectively installed in a circular array. 4. The butterfly valve for large-scale mechanical equipment with a leak-proof structure according to claim 1, wherein the groove four (23) and the port five (25) are fixed on the fixing ring two (21) and the fixed ring two (21). The ring three (24) are respectively installed in an annular array.

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