CN216618563U - A baffle type vacuum valve - Google Patents

Abstract

The utility model discloses a baffle type vacuum valve, which comprises a valve body, a bottom port is arranged at the lower end of the valve body, a side port is arranged on one side wall of the valve body, a valve cover plate is arranged at the top of the valve body, and the valve cover plate is provided with a bottom port. There are bolt holes at the edge, the valve cover plate is fixed with the valve body by inserting bolts into the bolt holes, a sealing ring is installed in the middle of the valve body, a valve stem is installed in the sealing ring, the top of the valve stem is fixedly connected to the control panel, and the valve stem is located inside the valve body One end of the valve core is connected to the valve core, and the valve body is provided with a baffle plate above one side of the valve core. In the utility model, the rotating control disc drives the valve stem to rotate, which drives the valve core to move upward, and the valve core pushes the baffle plate to move upward along the sliding rod. The spring is compressed by the baffle, the air enters the valve body from the bottom port, and then is discharged from the side port. The reverse rotation of the control panel drives the valve stem to rotate, which drives the valve core to move downward. Under the action of the spring, the baffle is pushed to move downward. , Use the baffle to block the side port to improve the tightness of the valve body.

Description

A baffle type vacuum valve

technical field

The utility model relates to the technical field of vacuum valves, in particular to a baffle type vacuum valve.

Background technique

A vacuum valve refers to a vacuum system component used in a vacuum system to change the direction of the airflow, adjust the airflow, and cut off or connect the pipeline. It refers to a valve whose working pressure is lower than the standard atmospheric pressure. Vacuum valve closures are sealed with rubber seals or metal seals.

The existing vacuum valve is only sealed by the valve core, the valve core is easily deformed, and the tightness is poor. Therefore, those skilled in the art provide a baffle-type vacuum valve to solve the above-mentioned problems in the background art.

Utility model content

In order to solve the above technical problems, the utility model provides a baffle type vacuum valve, which includes a valve body, a bottom port is provided at the lower end of the valve body, a side port is provided on one side wall of the valve body, and a valve cover plate is provided at the top of the valve body , There are bolt holes at the edge of the valve cover plate, the valve cover plate is fixed with the valve body by inserting bolts into the bolt holes, a sealing ring is installed in the middle of the valve body, a valve stem is installed in the sealing ring, and the top of the valve stem is fixedly connected to the control panel. One end of the rod located inside the valve body is connected to the valve core, and the valve body is provided with a baffle plate above one side of the valve core.

Preferably: the lower end of the valve core is provided with a protrusion inserted into the bottom port, and the protrusion is arranged in an arc shape.

Preferably, the valve core is provided with a valve core seal at the outer edge of the protrusion.

Preferably: the baffle is arranged in an arc shape, and the baffle fits the inner wall of the valve body at the side port.

Preferably, a sliding rod is inserted into the upper end of the baffle, and a blind hole for sliding the sliding rod is provided on the baffle corresponding to the sliding rod.

Preferably, the top end of the sliding rod is fixedly connected to the valve cover plate, and the outer side of the sliding rod is sheathed with a spring.

Technical effects and advantages of the present utility model:

In the utility model, rotating the control panel drives the valve stem to rotate, drives the valve core to move upward, the valve core pushes the baffle to move upward along the sliding rod, the spring is compressed by the baffle, the air enters the valve body from the bottom port, and then flows from the side port to the valve body. Discharge, reversely rotate the control panel to drive the valve stem to rotate, drive the valve core to move downward, the protrusion of the valve core enters the bottom port, the setting of the protrusion can improve the strength of the valve core and prevent the valve core from deforming, under the action of the spring , push the baffle downward, and use the baffle to block the side port to improve the tightness of the valve body.

Description of drawings

1 is a schematic structural diagram of a baffle-type vacuum valve provided by an embodiment of the present application;

2 is a schematic diagram of the internal structure of a valve body in a baffle-type vacuum valve provided by an embodiment of the present application;

3 is a schematic structural diagram of a valve core in a baffle-type vacuum valve provided by an embodiment of the present application;

4 is a schematic structural diagram of a baffle in a baffle-type vacuum valve provided by an embodiment of the present application;

In the figure: 1. Valve body, 2. Bottom port, 3. Side port, 4. Bonnet plate, 401, Bolt hole, 5. Bolt, 6. Seal ring, 7. Control panel, 8. Valve stem, 9. Spool, 901, Bump, 902, Spool Seal, 10, Baffle, 11, Slider, 12, Spring.

Detailed ways

The present utility model will be described in further detail below with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are presented for purposes of illustration and description, and are not intended to be exhaustive or to limit the invention to the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to better explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for the design of various embodiments with various modifications as are suited to the particular use.

Referring to FIGS. 1-2 , this embodiment provides a baffle-type vacuum valve, comprising a valve body 1 , a bottom port 2 at the lower end of the valve body 1 , a side port 3 on a side wall of the valve body 1 , and a valve body 1 . 1. There is a valve cover plate 4 at the top, and a bolt hole 401 is opened at the edge of the valve cover plate 4. The valve cover plate 4 is fixed to the valve body 1 by inserting the bolt 5 into the bolt hole 401, and a sealing ring 6 is installed in the middle of the valve body 1 to seal A valve stem 8 is installed in the ring 6 , the top of the valve stem 8 is fixedly connected to the control panel 7 , and one end of the valve stem 8 located inside the valve body 1 is connected to the valve core 9 .

Referring to FIG. 3 , the lower end of the valve core 9 is provided with a protrusion 901 inserted into the bottom port 2 , the protrusion 901 is arranged in an arc shape, and the valve core 9 is located at the outer edge of the protrusion 901 with a valve core seal 902 .

Please refer to FIG. 4 , the baffle 10 is set in an arc shape, the baffle 10 is fitted to the inner wall of the valve body 1 at the side port 3 , the upper end of the baffle 10 is inserted with a sliding rod 11 , and the baffle 10 corresponds to the sliding rod 11. In the blind hole where the sliding rod 11 slides, the top end of the sliding rod 11 is fixedly connected to the valve cover plate 4 , and the outer side of the sliding rod 11 is sheathed with a spring 12 .

The working principle of the utility model is:

When in use, turn the control panel 7 to drive the valve stem 8 to rotate, drive the valve core 9 to move upward, the valve core 9 pushes the baffle 10 to move upward along the sliding rod 11, the spring 12 is compressed by the baffle 10, and the air enters the valve from the bottom port 2 In the body 1, it is discharged from the side port 3, and the reverse rotation of the control plate 7 drives the valve stem 8 to rotate, which drives the valve core 9 to move downward, and the protrusion 901 of the valve core 9 enters the bottom port. The setting of the protrusion 901 can improve the The strength of the valve core 9 prevents the valve core 9 from being deformed. Under the action of the spring 12 , the baffle plate 10 is pushed downward, and the side port 3 is blocked by the baffle plate 10 to improve the airtightness of the valve body 1 .

Obviously, the described embodiments are only some of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art and related fields without creative work shall fall within the protection scope of the present invention. The structures, devices and operation methods that are not specifically described and explained in the present invention are implemented according to conventional means in the art unless otherwise specified and limited.

Claims (6)

1. A baffle-type vacuum valve, comprising a valve body (1), characterized in that a bottom port (2) is provided at the lower end of the valve body (1), and a side port (2) is provided on a side wall of the valve body (1). 3) The top of the valve body (1) is provided with a valve cover plate (4), the edge of the valve cover plate (4) is provided with a bolt hole (401), and the valve cover plate (4) is inserted into the bolt hole (401) through the bolt (5). 401) is fixed to the valve body (1), a sealing ring (6) is installed in the middle of the valve body (1), a valve stem (8) is installed in the sealing ring (6), and the top of the valve stem (8) is fixedly connected to the control panel (7). ), one end of the valve stem (8) inside the valve body (1) is connected to the valve core (9), and the valve body (1) is provided with a baffle plate (10) above one side of the valve core (9). 2 . The baffle-type vacuum valve according to claim 1 , wherein the lower end of the valve core ( 9 ) is provided with a protrusion ( 901 ) inserted into the bottom port ( 2 ), and the protrusion ( 901 ) is provided with into a circular arc. 3. The baffle-type vacuum valve according to claim 2, wherein the valve core (9) is provided with a valve core seal (902) at the outer edge of the protrusion (901). 4 . The baffle type vacuum valve according to claim 1 , wherein the baffle ( 10 ) is arranged in an arc shape, and the baffle ( 10 ) fits the valve body ( 1 ) and is located at the side port ( 3 ). 5 . ) at the inner wall. 5 . The baffle type vacuum valve according to claim 4 , wherein a sliding rod ( 11 ) is inserted into the upper end of the baffle ( 10 ), and the baffle ( 10 ) corresponds to the sliding rod ( 11 ). 6 . A blind hole for the sliding rod (11) to slide is opened. 6. A baffle type vacuum valve according to claim 5, characterized in that the top of the sliding rod (11) is fixedly connected to the valve cover plate (4), and a spring (12) is sleeved on the outside of the sliding rod (11). ).

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