CN216812860U

CN216812860U - Fast and slow integral type vacuum valve

Info

Publication number: CN216812860U
Application number: CN202122904356.6U
Authority: CN
Inventors: 郭云章
Original assignee: Jiangsu Ruihong Machinery Co ltd
Current assignee: Jiangsu Ruihong Machinery Co ltd
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-06-24
Anticipated expiration: 2031-11-24

Abstract

The utility model relates to the technical field of vacuum valve equipment, in particular to a fast and slow integrated vacuum valve, which comprises a vacuum valve main body, wherein the left side and the bottom of the vacuum valve main body are respectively provided with an air outlet and an air inlet, the top of the vacuum valve main body is provided with a connecting flange, the top of the connecting flange is provided with a supporting frame, the top of the supporting frame is provided with an air cylinder, the bottom of the air cylinder is positioned in the vacuum valve main body and is connected with a driving rod, the outer end of the driving rod is sleeved with a telescopic rod, the bottom of the driving rod is connected with a first movable plate, the bottom of the telescopic rod is connected with a second movable plate, the interior of the second movable plate is provided with a movable cavity, the utility model drives the first movable plate and the second movable plate to move up and down through the air cylinder, and further respectively opens an air passage of an air inlet channel and a first vent hole, and an air passage of the air inlet and the air outlet, the function of realizing speed by a single vacuum valve and a single air cylinder is achieved.

Description

Fast and slow integral type vacuum valve

Technical Field

The utility model relates to the technical field of vacuum valve equipment, in particular to a fast and slow integrated vacuum valve.

Background

The vacuum valve is a vacuum system element used for changing the direction of air flow, adjusting the magnitude of air flow and cutting off or connecting a pipeline in a vacuum system, and is a valve with the working pressure lower than the standard atmospheric pressure, a vacuum valve closing member is sealed by a rubber sealing ring or a metal sealing ring, at present, only one vacuum valve is used for exhausting air to a vacuum cavity in China, and the air is divided into 4 types in the flowing process in a pipeline, namely turbulent flow, viscous flow, transitional flow, molecular flow and the like.

Although the existing vacuum valves are various in types, most of the existing vacuum valves are only changed in form, the functions of the existing vacuum valves are not changed greatly, and a fast-slow integrated vacuum valve is lacking in the market, so that two vacuum valves, one large vacuum valve and one small vacuum valve, need to be installed on a higher cavity under certain conditions, but two interfaces need to be made on the cavity for installing the two vacuums, and the actual operation is troublesome.

Therefore, a fast and slow integrated vacuum valve is needed to solve the above problems in the background art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fast and slow integrated vacuum valve to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a fast integral type vacuum valve slowly, includes the vacuum valve main part, the left side and the bottom of vacuum valve main part are equipped with gas outlet and air inlet respectively, flange is installed at the top of vacuum valve main part, the support frame is installed at flange's top, the cylinder is installed at the top of support frame, the internal connection that the bottom of cylinder is located the vacuum valve main part has the actuating lever, the outer pot head of actuating lever is equipped with the telescopic link, the bottom of actuating lever is connected with first fly leaf, the bottom of telescopic link is connected with the second fly leaf, movable cavity has been seted up to the inside of second fly leaf, the bottom of first fly leaf and second fly leaf is located the top of air inlet and has seted up inlet channel, first support column and second support column are installed respectively to the inside bottom of second fly leaf is located inlet channel's the left and right sides.

As a preferable scheme of the present invention, the first movable plate is driven by the driving rod to slide up and down inside the movable cavity, and the second movable plate is driven by the telescopic rod to slide up and down inside the internal cavity of the vacuum valve main body.

As a preferable scheme of the present invention, the upper portions of the first supporting column and the second supporting column are in contact with the bottom of the first movable plate but are not fixed.

As a preferable aspect of the present invention, the first support column is provided with a second vent hole inside, the second movable plate is provided with a first vent hole on the top, a sealing member is mounted on the top of the first movable plate below the first vent hole, and the sealing member is in sealing connection with the first vent hole.

As a preferable scheme of the present invention, a plurality of sealing grooves and sealing blocks are equidistantly disposed on both sides of the bottom of the second movable plate, and the bottom of the second movable plate is sealingly connected to the inner wall of the vacuum valve main body through the sealing blocks and the sealing grooves.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the arrangement of the air cylinder, the driving rod, the telescopic rod, the first movable plate, the second movable plate, the movable cavity, the first supporting column, the second supporting column, the first vent hole and the second vent hole, the first movable plate and the second movable plate are driven to move up and down through the air cylinder, so that the air passages of the air inlet channel and the first vent hole, the air passages of the air inlet and the air outlet are respectively opened, the speed function is realized through a single vacuum valve and a single air cylinder, and the equipment is more efficient in use.

2. According to the vacuum valve, the bottom of the second movable plate is connected with the inner wall of the vacuum valve main body in a sealing mode through the sealing groove and the sealing block, so that the sealing effect of the vacuum valve can be improved, and the vacuum valve is safer when being used.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic diagram of the internal structure and a partially enlarged structure of the vacuum valve according to the present invention;

FIG. 3 is a schematic view of the internal structure of the movable chamber and a partially enlarged structure of the present invention;

in the figure: 1. a vacuum valve body; 101. an air outlet; 102. an air inlet; 103. a connecting flange; 1031. A support frame; 104. a cylinder; 1041. a drive rod; 1042. a telescopic rod; 1043. a first movable plate; 1044. a second movable plate; 1045. a movable cavity; 1046. an air intake passage; 1047. a first vent hole; 1048. a seal member; 105. a first support column; 1051. a second support column; 1052. a second vent hole; 106. a sealing groove; 1061. and (6) sealing the block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without any creative work based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

a fast and slow integrated vacuum valve comprises a vacuum valve main body 1, wherein a gas outlet 101 and a gas inlet 102 are respectively arranged at the left side and the bottom of the vacuum valve main body 1, a connecting flange 103 is arranged at the top of the vacuum valve main body 1, a supporting frame 1031 is arranged at the top of the connecting flange 103, a cylinder 104 is arranged at the top of the supporting frame 1031, a driving rod 1041 is connected to the bottom of the cylinder 104 positioned in the vacuum valve main body 1, a telescopic rod 1042 is sleeved at the outer end of the driving rod 1041, a first movable plate 1043 is connected to the bottom of the driving rod 1041, a second movable plate 1044 is connected to the bottom of the telescopic rod 1042, a movable cavity 1045 is arranged in the second movable plate 1044, a gas inlet passage 1046 is arranged at the bottom of the first movable plate 1043 and the bottom of the second movable plate 1044 positioned above the gas inlet 102, a first supporting column 105 and a second supporting column 1051 are respectively arranged at the bottom end of the second movable plate 1046 positioned at the left side and the right side of the gas inlet passage 1046, according to the utility model, the cylinder 104 drives the first movable plate 1043 and the second movable plate 1044 to move up and down, so that the air paths of the air inlet passage 1046 and the first vent hole 1047, the air paths of the air inlet 102 and the air outlet 101 are respectively opened, the function of speed regulation is realized through the single vacuum valve and the single cylinder 104, the bottom of the second movable plate 1044 is hermetically connected with the inner wall of the vacuum valve main body 1 through the sealing groove 106 and the sealing block 1061, and the sealing effect of the vacuum valve can be further improved, so that the equipment is safer when in use.

In an embodiment, referring to fig. 1, fig. 2 and fig. 3, a first movable plate 1043 is driven by a driving rod 1041 to be located in a movable cavity 1045 to slide up and down, a second movable plate 1044 is driven by a telescopic rod 1042 to be located in an internal cavity of a vacuum valve main body 1 to slide up and down, the upper portions of a first supporting column 105 and a second supporting column 1051 are in contact with but not fixed to the bottom of the first movable plate 1043, a second vent hole 1052 is formed in the first supporting column 105, a first vent hole 1047 is formed in the top portion of the second movable plate 1044, a sealing member 1048 is installed on the top portion of the first movable plate 1043 below the first vent hole 1047, the sealing member 1048 is in sealing connection with the first vent hole 1047, and the first movable plate 1045, the first supporting column 105, the second supporting column 1051, the first vent hole 1047 and the second vent hole 1052 are arranged by the cylinder 104, the driving rod 1041, the telescopic rod 1042, the first movable plate 1043, the second movable plate 1041044, the movable cavity 1045, the first supporting column 105, the second supporting column 1051, the first vent hole 1047 and the second vent hole 1052, in practical use, the first movable plate 1043 is driven by the cylinder 104 to move upward, then the sealing member 1048 seals the first vent hole 1047, at this time, the air paths of the first vent hole 1047 and the air inlet passage 1046 are cut off, and under the driving of the cylinder 104, the first movable plate 1043 drives the second movable plate 1044 to move upward along with the first movable plate 1043, and finally the air paths of the air outlet 101 and the air inlet 102 are opened, when the air paths of the first vent hole 1047 and the air inlet passage 1046 need to be opened, the first movable plate 1043 is driven by the cylinder 104 to move downward, and then the sealing member 1048 on the first movable plate 1043 is separated from the first vent hole 1047 and continuously moves downward to abut against the first support column 105 and the second support column 1051, and finally the second movable plate 1044 is driven to move downward, and finally the second movable plate 1044 cuts off the air paths between the air outlet 101 and the air inlet opening, and the air paths between the first vent hole 1047, the second vent hole 1052 and the air inlet passage 1046 are opened, the air inlet passage is suitable for being used in a slow vacuum state, so that the air passages of the air inlet passage 1046 and the first vent hole 1047, the air passages of the air inlet 102 and the air outlet 101 are respectively opened, the function of realizing speed by a single vacuum valve and a single air cylinder 104 is achieved, and the equipment is more efficient in use.

In an embodiment, referring to fig. 1, fig. 2 and fig. 3, a plurality of sealing grooves 106 and sealing blocks 1061 are equidistantly disposed on the left and right sides of the bottom of the second movable plate 1044, the bottom of the second movable plate 1044 is hermetically connected to the inner wall of the vacuum valve body 1 through the sealing blocks 1061 and the sealing grooves 106, and the bottom of the second movable plate 1044 is hermetically connected to the inner wall of the vacuum valve body 1 through the sealing blocks 1061 and the sealing grooves 106, so as to improve the sealing effect of the vacuum valve and make the apparatus safer to use.

The working principle is as follows: when the air conditioner is used, the first movable plate 1043 is driven to move upwards by the cylinder 104, then the first vent hole 1047 is sealed by the sealing member 1048, at this time, the air paths of the first vent hole 1047 and the air inlet passage 1046 are cut off, and the first movable plate 1043 drives the second movable plate 1044 to move upwards along with the first movable plate 1043 under the driving of the cylinder 104, and finally the air paths of the air outlet 101 and the air inlet port 102 are opened, when the air paths of the first vent hole 1047 and the air inlet passage 1046 need to be opened, the first movable plate 1043 is driven to move downwards by the cylinder 104, and then the sealing member 1048 on the first movable plate 1043 is separated from the first vent hole 1047 and continuously moves downwards to abut against the first supporting column 105 and the second supporting column 1051, and finally the second movable plate 1044 is driven to move downwards, and finally the air paths between the air outlet 101 and the air inlet port 102 are cut off by the second movable plate 1044, and the air paths between the first vent hole 1047, the second vent hole 1052 and the air inlet passage 1046 are opened, the vacuum valve is suitable for being used in a slow vacuum state, so that the air paths of the air inlet passage 1046 and the first vent hole 1047, the air paths of the air inlet 102 and the air outlet 101 are respectively opened, the function of realizing the speed through a single vacuum valve and a single air cylinder 104 is achieved, through the arranged sealing groove 106 and the sealing block 1061, the bottom of the second movable plate 1044 is in sealing connection with the inner wall of the vacuum valve main body 1 through the sealing block 1061 and the sealing groove 106, the sealing effect of the vacuum valve can be further improved, and the vacuum valve has certain popularization value.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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. A fast slow integral type vacuum valve, includes vacuum valve main part (1), its characterized in that: the vacuum valve comprises a vacuum valve body (1), wherein a gas outlet (101) and a gas inlet (102) are respectively arranged at the left side and the bottom of the vacuum valve body (1), a connecting flange (103) is installed at the top of the vacuum valve body (1), a supporting frame (1031) is installed at the top of the connecting flange (103), a cylinder (104) is installed at the top of the supporting frame (1031), a driving rod (1041) is connected to the bottom of the cylinder (104) positioned inside the vacuum valve body (1), a telescopic rod (1042) is sleeved at the outer end of the driving rod (1041), a first movable plate (1043) is connected to the bottom of the driving rod (1041), a second movable plate (1044) is connected to the bottom of the telescopic rod (1042), a movable cavity (1045) is formed inside the second movable plate (1044), a gas inlet channel (1046) is formed above the gas inlet (102) at the bottoms of the first movable plate (1043) and the second movable plate (1044), and the bottom end of the inside of the second movable plate (1044) is positioned at the left side and the right side of the air inlet channel (1046) and is respectively provided with a first supporting column (105) and a second supporting column (1051).

2. The fast and slow integrated vacuum valve according to claim 1, characterized in that: the first movable plate (1043) is driven by the driving rod (1041) to be located inside the movable cavity (1045) and slide up and down, and the second movable plate (1044) is driven by the telescopic rod (1042) to be located inside the inner cavity of the vacuum valve main body (1) and slide up and down.

3. The fast and slow integrated vacuum valve according to claim 1, characterized in that: the upper parts of the first supporting column (105) and the second supporting column (1051) are in contact with the bottom of the first movable plate (1043) but are not fixed.

4. The fast and slow integrated vacuum valve according to claim 1, characterized in that: a second vent hole (1052) is formed in the first support column (105), a first vent hole (1047) is formed in the top of the second movable plate (1044), a sealing element (1048) is installed below the first vent hole (1047) in the top of the first movable plate (1043), and the sealing element (1048) is in sealing connection with the first vent hole (1047).

5. The fast and slow integrated vacuum valve according to claim 1, characterized in that: the left side and the right side of the bottom of the second movable plate (1044) are equidistantly provided with a plurality of sealing grooves (106) and sealing blocks (1061), and the bottom of the second movable plate (1044) is connected with the inner wall of the vacuum valve main body (1) in a sealing mode through the sealing blocks (1061), the sealing grooves (106).