CN210890252U

CN210890252U - Low temperature adds gas port structure

Info

Publication number: CN210890252U
Application number: CN201921725067.6U
Authority: CN
Inventors: 文国伍; 郭世卫; 李金梁
Original assignee: Shanghai Tingben Fluid Control Co ltd
Current assignee: Shanghai Tingben Fluid Control Co ltd
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-06-30
Anticipated expiration: 2029-10-15

Abstract

The utility model relates to an air entrainment equipment technical field just discloses a low temperature adds gas port structure, which comprises a valve body, the air inlet has been seted up on the top of valve body, the equal fixed mounting in top of valve body inner chamber has the sealing member, and the bottom fixed mounting of valve body inner chamber has the mounting, the outside fixed mounting on mounting top has the spring, the top fixedly connected with moving part of spring, the gas outlet has been seted up to the bottom of valve body, be provided with the air cavity between the bottom of sealing member and the top of gas outlet, the bottom fixed mounting of gas outlet has the interface. This low temperature gas filling port structure through the rubber layer that the connector inner circle set up, prevents that the gas filling equipment from pressing down the moving part and producing the friction when the inner chamber activity of connector, avoids the inner chamber of connector and the wall of moving part to damage, has improved the life of connector and moving part, has reduced economic cost, has improved the device's sealing performance, and the rubber layer is convenient with the connector separation simultaneously.

Description

Low temperature adds gas port structure

Technical Field

The utility model relates to a gas filling equipment technical field specifically is a low temperature gas filling port structure.

Background

The low-temperature air inlet is equipment for conveying gas in a low-temperature state, is generally used in the industrial fields of petrochemical industry, air separation, natural gas and the like, and the quality of the low-temperature air inlet determines whether safe, economic and continuous production can be realized.

When the low temperature adds the use of gas port, press the moving part through the air entrainment equipment and carry out the air entrainment, reuse spring reply blockade air inlet connector after the air entrainment is accomplished, in long-term use, connector and moving part are worn and destroyed easily, cause sealed bad, the life of sealing member and moving part has been reduced, and the moving part wearing and tearing can't be restoreed, only can change, economic cost has been improved, simultaneously in order to guarantee sealed tight, make sealed piece and sealing layer extrusion, when surpassing specific compressive stress with fine and close seal, can make the sealing layer flatten, reduce sealing performance. Therefore, we propose a low temperature gas filling port structure.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a low temperature adds gas port structure possesses and prevents connector and moving part wearing and tearing, avoids the sealing layer to flatten and the advantage that sealing performance improves, has solved connector and moving part easy wearing and tearing and has destroyed sealed bad and the sealing layer is flattened problem.

The utility model provides a following technical scheme: the utility model provides a low temperature adds gas port structure, includes the valve body, the air inlet has been seted up on the top of valve body, the equal fixed mounting in top of valve body inner chamber has the sealing member, and the bottom fixed mounting of valve body inner chamber has the mounting, the outside fixed mounting on mounting top has the spring, the top fixedly connected with moving part of spring, the gas outlet has been seted up to the bottom of valve body, be provided with the gas cavity between the bottom of sealing member and the top of gas outlet, the bottom fixed mounting of gas outlet has the interface.

Preferably, both sides at the top of the valve body are provided with fixed blocks, and the sealing element is fixedly connected with the fixed blocks through screws.

Preferably, the sealing member includes the connecting block with fixed block fixed connection, the equal fixed mounting in both sides of the bottom of connecting block has the polygon piece, the polygon piece sets up with the similar one side slope of moving part, and the inclined plane of polygon piece is provided with the sealing layer, be provided with flexible graphite packing layer between the inclined plane of sealing layer and polygon piece.

Preferably, the movable part comprises sealing blocks matched with the polygonal blocks, the tops of the two sealing blocks are parallel to the inclined planes of the polygonal blocks, the tops of the sealing blocks are fixedly connected with thin valve rods, and the bottoms of the sealing blocks are provided with thick valve rods.

Preferably, a connecting port is formed in the top of the sealing element, the thin valve rod of the moving element penetrates through the connecting port and extends to the upper portion of the sealing element, and the inner ring of the connecting port is clamped with the rubber layer through the clamping groove.

Preferably, the fixing part comprises a valve seat fixedly connected with an inner cavity of the valve body, a valve core is fixedly connected to the top of the valve seat, the valve seat and the inner cavity of the valve core are arranged to be a cavity, and the outer diameter of the valve core is the same as that of the thick valve rod.

Preferably, the outer diameter of the interface is smaller than that of the valve body, and the outer ring of the interface is provided with threads.

In the process of fine selection, the raw materials are mixed,

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

1. this low temperature adds gas port structure through the flexible graphite packing layer that sets up between sealing layer and the multilateral piece inclined plane for when the sealing layer is extruded by the sealed piece and is surpassed compressive stress, can resume under the elastic action of flexible graphite packing layer, avoid the sealing layer to warp, improved the sealing performance of this structure.

2. This low temperature gas filling port structure through the rubber layer that the connector inner circle set up, prevents that the gas filling equipment from pressing down the moving part and producing the friction when the inner chamber activity of connector, avoids the inner chamber of connector and the wall of moving part to damage, has improved the life of connector and moving part, has reduced economic cost, has improved the device's sealing performance, and the rubber layer is convenient with the connector separation simultaneously, and the staff of being convenient for changes the maintenance, simple structure, reasonable in design.

Drawings

FIG. 1 is a front view of the inner chamber of the structure of the present invention;

FIG. 2 is a schematic top view of the structural cavity of the present invention;

fig. 3 is a schematic view of the sealing member of the present invention.

In the figure: 1. a valve body; 2. an air inlet; 3. a seal member; 301. connecting blocks; 302. a polygonal block; 3021. a sealing layer; 3022. a flexible graphite packing layer; 4. a fixing member; 401. a valve seat; 402. a valve core; 5. a spring; 6. a movable member; 601. a sealing block; 602. a fine valve stem; 603. a thick valve stem; 7. an air outlet; 8. a connecting port; 9. an air charging cavity; 10. an interface; 11. a rubber layer; 12. and (5) fixing blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-3, a low temperature air inlet structure, including a valve body 1, an air inlet 2 is provided at the top end of the valve body 1, a sealing member 3 is fixedly mounted at the top of the inner cavity of the valve body 1, a fixing member 4 is fixedly mounted at the bottom of the inner cavity of the valve body 1, a spring 5 is fixedly mounted at the outside of the top end of the fixing member 4, the spring 5 is used, so that air can be introduced into an air introducing cavity 9 by air introducing equipment, and meanwhile, the performance of the spring 5 is utilized, so that a movable member 6 can be restored to the original position, thereby ensuring that the device can be automatically sealed, the structure is simple, the use is convenient, the movable member 6 is fixedly connected to the top end of the spring 5, an air outlet 7 is provided at the bottom end of.

Wherein, the both sides at 1 top of valve body all are provided with fixed block 12, and sealing member 3 passes through screw and fixed block 12 fixed connection, and sealing member 3 passes through the screw to be connected with fixed block 12, simple structure, and it is convenient to dismantle, is convenient for change the sealing member.

The sealing element 3 comprises a connecting block 301 fixedly connected with the fixed block 12, a polygonal block 302 is fixedly mounted on each of two sides of the bottom of the connecting block 301, one side of the polygonal block 302 close to the movable element 6 is obliquely arranged, a sealing layer 3021 is arranged on the inclined surface of the polygonal block 302, a flexible graphite packing layer 3022 is arranged between the sealing layer 3021 and the inclined surface of the polygonal block 302, and the sealing layer 3021 is pressed by the sealing block 601 to exceed the compression stress through the flexible graphite packing layer 3022 arranged between the sealing layer 3021 and the inclined surface of the polygonal block 302, so that the sealing layer can be recovered under the elastic action of the flexible graphite packing layer 3022, the deformation of the sealing layer is avoided, and the sealing performance of the structure.

The movable piece 6 comprises sealing blocks 601 matched with the polygonal blocks 302, the tops of the two sealing blocks 601 are parallel to the inclined surfaces of the polygonal blocks 302, thin valve rods 602 are fixedly connected to the tops of the sealing blocks 601, thick valve rods 603 are arranged at the bottoms of the sealing blocks 601, and the thin valve rods 602 are arranged, so that the movable piece 6 can penetrate through the sealing element 3 and then is in contact extrusion with the polygonal blocks 302 of the sealing element 3 through the sealing blocks 601, and the device is guaranteed to realize sealing.

Wherein, connector 8 has been seted up at the top of sealing member 3, the top that connector 8 extended to sealing member 3 is passed to the fine valve rod 602 of moving part 6, connector 8's inner circle has rubber layer 11 through the draw-in groove joint, the setting on rubber layer 11, prevent that gas filling equipment from pressing down moving part 6 when producing the friction with connector 8's inner chamber, avoid connector 8's inner chamber and moving part 6's wall to damage, connector 8 and moving part 6's life has been improved, economic cost is reduced, the sealing performance of the device has been improved, rubber layer 11 and connector separation convenience simultaneously, the staff of being convenient for changes the maintenance, moreover, the steam generator is simple in structure, and reasonable design.

Wherein, the mounting 4 includes the disk seat 401 with the inner chamber fixed connection of valve body 1, the top fixedly connected with case 402 of disk seat 401, the inner chamber of disk seat 401 and case 402 sets up to the cavity, and the external diameter of case 402 is the same with the external diameter of thick valve rod 603, mounting 4 sets up case 402, make the thick valve rod 603 of moving part 6 be connected fixedly with mounting 4 through spring 5, guarantee that moving part 6 can reciprocate, ensure that the inside that gas filling equipment can get into gas filling chamber 9 realizes the gas filling, the inner chamber of disk seat 401 and case 402 sets up to the cavity simultaneously, guarantee that gas can pass the inner chamber outflow of mounting 4.

The outer diameter of the interface 10 is smaller than that of the valve body 1, the outer ring of the interface 10 is provided with threads, and the outer ring of the interface 10 is provided with threads, so that the structure and the aerated tank body are conveniently and closely connected, the structure is simple, and the installation and the disassembly are convenient.

The working principle is as follows: pressing the moving part 6 through the gas filling equipment, descending the moving part 6 under the effect of the spring 5, enabling the gas filling equipment to enter the gas filling cavity 9 for gas filling, simultaneously preventing the gas filling equipment and the fine valve rod 602 from being worn due to direct contact with the connecting port 8 by utilizing the rubber layer 11, enabling gas to pass through the inner cavity of the fixing part 4 and flow out through the gas outlet 7, driving the moving part 6 to ascend by utilizing the spring 5 to return to the original position after gas filling is completed, and meanwhile preventing the sealing layer 3021 from being extruded and deformed by the flexible graphite packing layer 3022.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a low temperature adds gas port structure, includes valve body (1), its characterized in that: the air inlet (2) has been seted up on the top of valve body (1), the equal fixed mounting in top of valve body (1) inner chamber has sealing member (3), and the bottom fixed mounting in valve body (1) inner chamber has mounting (4), the outside fixed mounting on mounting (4) top has spring (5), the top fixedly connected with moving part (6) of spring (5), gas outlet (7) have been seted up to the bottom of valve body (1), be provided with between the bottom of sealing member (3) and the top of gas outlet (7) with air cavity (9), the bottom fixed mounting of gas outlet (7) has interface (10).

2. A low temperature gas filling port structure according to claim 1, wherein: both sides at valve body (1) top all are provided with fixed block (12), sealing member (3) pass through screw and fixed block (12) fixed connection.

3. A low temperature gas filling port structure according to claim 2, wherein: the sealing element (3) comprises a connecting block (301) fixedly connected with a fixed block (12), a polygonal block (302) is fixedly mounted on each of two sides of the bottom of the connecting block (301), one side of the polygonal block (302) close to the movable element (6) is obliquely arranged, a sealing layer (3021) is arranged on the inclined surface of the polygonal block (302), and a flexible graphite packing layer (3022) is arranged between the sealing layer (3021) and the inclined surface of the polygonal block (302).

4. A low temperature gas filling port structure according to claim 1, wherein: the movable piece (6) includes with sealed piece (601) of polygon piece (302) looks adaptation, two the top of sealed piece (601) is parallel with the inclined plane of polygon piece (302), and the top fixedly connected with thin valve rod (602) of sealed piece (601), the bottom of sealed piece (601) is provided with thick valve rod (603).

5. A low temperature gas filling port structure according to claim 1, wherein: the top of sealing member (3) has seted up connecting port (8), the top that the fine valve rod (602) of moving part (6) passed connecting port (8) and extended to sealing member (3), the inner circle of connecting port (8) has rubber layer (11) through the draw-in groove joint.

6. A low temperature gas filling port structure according to claim 1, wherein: the fixing piece (4) comprises a valve seat (401) fixedly connected with an inner cavity of the valve body (1), a valve core (402) is fixedly connected to the top of the valve seat (401), the inner cavities of the valve seat (401) and the valve core (402) are arranged to be cavities, and the outer diameter of the valve core (402) is the same as that of the thick valve rod (603).

7. A low temperature gas filling port structure according to claim 1, wherein: the outer diameter of the interface (10) is smaller than that of the valve body (1), and the outer ring of the interface (10) is provided with threads.