CN211117632U

CN211117632U - Food-grade external thread butterfly valve

Info

Publication number: CN211117632U
Application number: CN201921445630.4U
Authority: CN
Inventors: 沈超
Original assignee: Zhejiang Chaofei Technology Co ltd
Current assignee: Zhejiang Chaofei Technology Co ltd
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2020-07-28
Anticipated expiration: 2029-09-02

Abstract

The embodiment of the application discloses food level external screw thread butterfly valve. The top fixed mounting of disk seat has the valve body, the inner chamber of valve body is provided with the rubber layer, the top fixed mounting of valve body has the fixed block, the top movable mounting of fixed block has the axis of rotation, the bottom fixed mounting of axis of rotation has the valve shaft, the middle part fixed mounting of valve shaft has fixed cover, the back fixed mounting of fixed cover has the dish board, the bottom of valve shaft and the bottom swing joint of disk seat, the left side fixed mounting of axis of rotation has the control lever. This food level external screw thread butterfly valve through the use on rubber layer, prevents that the dish board from rotating the edge wearing and tearing of the inner chamber of valve body and dish board for a long time, and the sealing washer that the inner chamber of valve body set up is guaranteed simultaneously on the sealing washer of rubber layer and the inner chamber setting of valve body to seal closely, sets up rubber layer and sealing washer at the connector of valve body simultaneously, avoids the liquid of valve body inner chamber to leak outward, has improved the device's sealed effect.

Description

Food-grade external thread butterfly valve

Technical Field

The application relates to the field of valves, in particular to a food-grade external thread butterfly valve.

Background

A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve with a closing member (valve clack or disc plate) as a disc and rotating around a valve shaft to open and close.

The simple structure of butterfly valve, but in long-term use, the dish board leads to the leakproofness of butterfly valve to reduce with valve body inner chamber wearing and tearing, the problem of pipeline leakage appears easily, and current butterfly valve is when using simultaneously, generally through internal thread and tube coupling, and female connection makes the valve body flow big, and the velocity of flow is little, leads to fluid pressure increase to female thread valve's compressive capacity is relatively poor.

SUMMERY OF THE UTILITY MODEL

In view of above-mentioned problem, the application provides a food level external screw thread butterfly valve, possesses and reduces the dish board wearing and tearing, improves sealed effect and increase the fluid velocity of flow, improves the advantage of valve compressive capacity, has solved the long-term wearing and tearing of using of dish board, and the leakproofness reduces and the valve body flow is big, and the velocity of flow is little, the poor problem of valve compressive capacity.

The application provides a pair of food level external screw thread butterfly valve, including the disk seat, the top fixed mounting of disk seat has the valve body, the inner chamber of valve body is provided with the rubber layer, the top fixed mounting of valve body has the fixed block, the top movable mounting of fixed block has the axis of rotation, the bottom fixed mounting of axis of rotation has the valve shaft, the middle part fixed mounting of valve shaft has fixed cover, the back fixed mounting of fixed cover has the dish board, the bottom of valve shaft and the bottom swing joint of disk seat, the left side fixed mounting of axis of rotation has the control lever.

Preferably, the top and the bottom of the valve body are provided with connecting holes matched with the valve shaft, the valve shaft penetrates through the inner cavity of the valve body through the connecting holes, and the inner cavity of the connecting holes is also provided with a rubber layer.

Preferably, the disc plate is located in an inner cavity of the valve body, the outer diameter of the disc plate is matched with the inner diameter of the valve body, and the outer portion of the disc plate is in contact with the surface of the rubber layer.

Preferably, both sides of the valve body are fixedly provided with connecting ports, and external threads are arranged outside the connecting ports.

Preferably, sealing rings are arranged between the rubber layer and the inner wall of the connecting hole and between the rubber layer and the inner wall of the valve body.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this food level external screw thread butterfly valve through the use on rubber layer, prevents that the dish board from rotating the edge wearing and tearing of the inner chamber of valve body and dish board for a long time, and the sealing washer that the inner chamber of valve body set up is guaranteed simultaneously on the sealing washer of rubber layer and the inner chamber setting of valve body to seal closely, sets up rubber layer and sealing washer at the connector of valve body simultaneously, avoids the liquid of valve body inner chamber to leak outward, has improved the device's sealed effect.

2. This food level external screw thread butterfly valve through the external screw thread that the connector outside set up for the flow of valve body inner chamber diminishes, and the velocity of flow increases, improves the compressive capacity of valve body simultaneously, reduces the maintenance number of times of valve body, improves the life of valve body, the cost is reduced.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic sectional view of the structural valve body of the present invention;

FIG. 2 is a front view of the structure of the present invention;

fig. 3 is an enlarged schematic view of the structure a of the present invention.

In the figure: 1. a valve seat; 2. a valve body; 3. a rubber layer; 4. a fixed block; 5. a rotating shaft; 6. a valve shaft; 7. fixing a sleeve; 8. a plate; 9. a control lever; 10. a connecting port; 11. and (4) external threads.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1-3, a food-grade external thread butterfly valve comprises a valve seat 1, a valve body 2 is fixedly mounted at the top of the valve seat 1, a rubber layer 3 is arranged in an inner cavity of the valve body 2, a fixed block 4 is fixedly mounted at the top of the valve body 2, a rotating shaft 5 is movably mounted at the top of the fixed block 4, a valve shaft 6 is fixedly mounted at the bottom of the rotating shaft 5, a fixed sleeve 7 is fixedly mounted at the middle of the valve shaft 6, a butterfly plate 8 is fixedly mounted at the back of the fixed sleeve 7, the bottom end of the valve shaft 6 is movably connected with the bottom of the valve seat 1, a control rod 9 is fixedly mounted at the left side of the rotating shaft 5, and the rotating shaft 5 drives the valve shaft 6 to rotate by rotating the control rod 9, so that the butterfly plate 8 rotates in the inner cavity.

Wherein, the connecting hole with 6 looks adaptations of valve shaft is seted up to the top and the bottom of valve body 2, and the inner chamber that valve shaft 6 passed valve body 2 through the connecting hole, and the inner chamber of connecting hole is provided with rubber layer 3 equally, and the connector of valve body 2 sets up rubber layer 3 and sealing washer, avoids the liquid of 2 inner chambers of valve body to leak outward, has improved the device's sealed effect.

Wherein, the dish board 8 is located the inner chamber of valve body 2, the external diameter of dish board 8 and the internal diameter looks adaptation of valve body 2, and the outside of dish board 8 and the surface contact of rubber layer 3, the use of dish board 8 for the inner chamber of valve body 2 can realize sealing and open and shut, guarantees that the fluid velocity of flow is controllable, ensures equipment normal operating.

Wherein, the equal fixed mounting in both sides of valve body 2 has connector 10, and the outside of connector 10 is provided with external screw thread 11, through the external screw thread 11 of the outside setting of connector 10 for the flow of the 2 inner chambers of valve body diminishes, and the velocity of flow increases, improves valve body 2's compressive capacity simultaneously, reduces valve body 2's the maintenance number of times, improves valve body 2's life, has reduced economic cost.

Sealing rings are arranged between the rubber layer 3 and the inner wall of the connecting hole and between the rubber layer 3 and the inner wall of the valve body 2, so that the sealing of the device is ensured to be tight, the fluid in the inner cavity of the valve body 2 is prevented from leaking, and the sealing effect of the valve body 2 is ensured.

To sum up, this food level external screw thread butterfly valve passes through external screw thread 11 and tube coupling, reduces the flow, has improved fluid speed, rotates through 5 control axis of rotation of control lever 9 for fixed cover 7 and the 8 operation of dish board change the state that opens and shuts of 2 inner chambers of valve body, and when valve shaft 6 and the 8 activities of dish board, deformation takes place through the elastic capacity on rubber layer 3, prevents that valve shaft 6 and dish board 8 from taking place wearing and tearing, can.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims

1. The utility model provides a food level external screw thread butterfly valve, a serial communication port, including disk seat (1), the top fixed mounting of disk seat (1) has valve body (2), the inner chamber of valve body (2) is provided with rubber layer (3), the top fixed mounting of valve body (2) has fixed block (4), the top movable mounting of fixed block (4) has axis of rotation (5), the bottom fixed mounting of axis of rotation (5) has valve shaft (6), the middle part fixed mounting of valve shaft (6) has fixed cover (7), the back fixed mounting of fixed cover (7) has dish (8), the bottom of valve shaft (6) and the bottom swing joint of disk seat (1), the left side fixed mounting of axis of rotation (5) has control lever (9).

2. A food grade externally threaded butterfly valve according to claim 1, wherein the top and bottom of the valve body (2) are provided with connecting holes adapted to the valve shaft (6), the valve shaft (6) passes through the inner cavity of the valve body (2) through the connecting holes, and the inner cavity of the connecting holes is also provided with the rubber layer (3).

3. A food grade externally threaded butterfly valve according to claim 1, characterized in that the butterfly plate (8) is located in the inner cavity of the valve body (2), that the outer diameter of the butterfly plate (8) is adapted to the inner diameter of the valve body (2), and that the outer part of the butterfly plate (8) is in contact with the surface of the rubber layer (3).

4. A food grade externally threaded butterfly valve according to claim 1, characterized in that a connection port (10) is fixedly mounted on both sides of the valve body (2), and an external thread (11) is provided outside the connection port (10).

5. A food-grade externally threaded butterfly valve according to claim 1 or 2, characterized in that sealing rings are arranged between the rubber layer (3) and the inner wall of the connecting hole and between the rubber layer (3) and the inner wall of the valve body (2).