CN213420038U

CN213420038U - Bellows single seat control valve that chemical industry was used

Info

Publication number: CN213420038U
Application number: CN202022381006.1U
Authority: CN
Inventors: 于丹
Original assignee: Jilin City Chuanghe Liquid Control Equipment Fabrication Co ltd
Current assignee: Jilin City Chuanghe Liquid Control Equipment Fabrication Co ltd
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-06-11
Anticipated expiration: 2030-10-23

Abstract

The utility model discloses a bellows single seat control valve of chemical industry usefulness, including the single seat control valve body, the both sides of single seat control valve body all are equipped with first connecting ring, one side of first connecting ring is equipped with the second go-between, ring groove has been seted up to one side that first connecting ring is close to the second go-between, be equipped with the support ring in the ring groove, support ring and second connecting ring fixed connection, one side that first connecting ring was kept away from to the second go-between is equipped with two first limiting plates, the first backup pad of the equal fixedly connected with in top and the bottom of first connecting ring, first rectangular hole has been seted up to one side of first backup pad. A bellows single seat control valve of chemical industry usefulness belongs to single seat control valve technical field, dismouting between first go-between of completion that can be simple and convenient and second go-between, and then the dismouting of the single seat control valve body of being convenient for, make things convenient for in-service use.

Description

Bellows single seat control valve that chemical industry was used

Technical Field

The utility model relates to a single seat control valve technical field, in particular to bellows single seat control valve of chemical industry usefulness.

Background

Chemical industry is short for "chemical process", "chemical industry", "chemical engineering", and the like. The technology of changing the composition and structure of substances or synthesizing new substances by chemical method belongs to the chemical production technology, i.e. chemical process, the obtained products are called chemicals or chemical products, control valves are often used in chemical equipment, the control valves are used as terminal execution units of automatic control systems, and the application is wide in various industries. The single-seat control valve is generally connected with an external part through a flange, so that the single-seat control valve is inconvenient to disassemble and assemble and inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a bellows single seat control valve of chemical industry usefulness can effectively solve among the background art that single seat control valve generally is connected through flange and external component, and the dismouting is comparatively inconvenient, the problem of the in-service use of being not convenient for.

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

a corrugated pipe single-seat control valve for chemical engineering comprises a single-seat control valve body, wherein first connecting rings are arranged on two sides of the single-seat control valve body, a second connecting ring is arranged on one side of each first connecting ring, a circular clamping groove is formed in one side, close to the second connecting ring, of each first connecting ring, a supporting ring is arranged in the circular clamping groove and fixedly connected with the second connecting rings, two first limiting plates are arranged on one side, far away from the first connecting rings, of each second connecting ring, a first supporting plate is fixedly connected with the top end and the bottom end of each first connecting ring, a first rectangular hole is formed in one side of each first supporting plate, a movable plate is arranged on one side of each first supporting plate, a second rectangular hole is formed in the top of each movable plate, a second supporting plate is arranged in the second rectangular hole and located in the first rectangular hole, and the top and the bottom of each second supporting plate are fixedly connected with the inner wall of the corresponding first rectangular hole, the movable plate is connected with the first limiting plate through a telescopic assembly.

Preferably, the telescopic assembly comprises a limiting groove arranged on one side of the movable plate, a second limiting plate is arranged in the limiting groove, one side of the second limiting plate is fixedly connected with one side of the first limiting plate, a third supporting plate is fixedly connected to the movable plate, a lead screw is arranged on one side of the first limiting plate and penetrates through the third supporting plate, the lead screw is in threaded connection with the third supporting plate, and the lead screw is connected with the first limiting plate through a bearing.

Preferably, the screw rod is provided with a handle.

Preferably, one side of the first limiting plate is fixedly connected with an anti-slip pad, and the anti-slip pad is in contact with the second connecting ring.

Preferably, one side of the support ring is fixedly connected with a sealing ring, and the sealing ring is in contact with the inner wall of the annular clamping groove.

Compared with the prior art, the utility model discloses following beneficial effect has: through setting up the single seat control valve body, first connecting ring, the second go-between, ring groove, the support ring, first limiting plate, first backup pad, first rectangular hole, the second backup pad, the cooperation of fly leaf and flexible subassembly, dismouting between first connecting ring of completion and the second go-between that can be simple convenient, and then the dismouting of the single seat control valve body of being convenient for, convenient in-service use, the convenience has been improved, through the slipmat that sets up, reduce the gliding possibility of the relative second go-between of first limiting plate, sealing washer through setting up, the leakproofness between first connecting ring and the second go-between has been increased.

Drawings

Fig. 1 is a schematic view of the overall structure of a bellows single-seat control valve for chemical engineering of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a partially enlarged schematic view of a portion B in fig. 2.

In the figure: 1. a single seat control valve body; 2. a first connecting ring; 3. a second connection ring; 4. an annular neck; 5. a support ring; 6. a first limit plate; 7. a first support plate; 8. a first rectangular hole; 9. a second rectangular hole; 10. a second support plate; 11. a movable plate; 12. a third support plate; 13. a lead screw; 14. a bearing; 15. a limiting groove; 16. a second limiting plate; 17. a non-slip mat; 18. and (5) sealing rings.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, a corrugated pipe single seat control valve for chemical engineering comprises a single seat control valve body 1, wherein first connecting rings 2 are respectively arranged on two sides of the single seat control valve body 1, a second connecting ring 3 is arranged on one side of the first connecting ring 2, a ring-shaped clamping groove 4 is formed in one side of the first connecting ring 2 close to the second connecting ring 3, a supporting ring 5 is arranged in the ring-shaped clamping groove 4, the supporting ring 5 is fixedly connected with the second connecting ring 3, two first limiting plates 6 are arranged on one side of the second connecting ring 3 away from the first connecting ring 2, a first supporting plate 7 is fixedly connected to the top end and the bottom end of the first connecting ring 2, a first rectangular hole 8 is formed in one side of the first supporting plate 7, a movable plate 11 is arranged on one side of the movable plate 11, a second rectangular hole 9 is formed in the top of the movable plate 11, a second supporting plate 10 is arranged in the second rectangular hole 9, and the second supporting plate 10, the top and the bottom of the second supporting plate 10 are fixedly connected with the inner wall of the first rectangular hole 8, and the movable plate 11 is connected with the first limiting plate 6 through a telescopic assembly;

in this embodiment, the telescopic assembly includes a limiting groove 15 formed in one side of the movable plate 11, a second limiting plate 16 is disposed in the limiting groove 15, one side of the second limiting plate 16 is fixedly connected to one side of the first limiting plate 6, a third supporting plate 12 is fixedly connected to the movable plate 11, a lead screw 13 is disposed on one side of the first limiting plate 6, the lead screw 13 penetrates through the third supporting plate 12, the lead screw 13 is connected to the third supporting plate 12 in a threaded manner, and the lead screw 13 is connected to the first limiting plate 6 through a bearing 14.

In this embodiment, a handle is provided on the screw 13, and the screw 13 is conveniently driven to rotate by the provided handle.

In this embodiment, a non-slip mat 17 is fixedly connected to one side of the first limiting plate 6, the non-slip mat 17 is in contact with the second connecting ring 3, and the non-slip mat 17 is arranged to reduce the possibility that the first limiting plate 6 slides relative to the second connecting ring 3.

In this embodiment, a sealing ring 18 is fixedly connected to one side of the support ring 5, the sealing ring 18 is in contact with the inner wall of the ring clamping groove 4, and the sealing performance between the first connecting ring 2 and the second connecting ring 3 is increased by the sealing ring 18.

It should be noted that, when the bellows single-seat control valve for chemical engineering is used, the second connecting ring 3 is welded with an external component, and the first connecting ring 2 and the second connecting ring 3 need to be disassembled, the screw 13 is rotated to move the first limiting plate 6 away from the second connecting ring 3, so that the first limiting plate 6 does not press the second connecting ring 3 any more, thereby driving the movable plate 11 to move, so that the first limiting plate 6 is no longer located at one side of the second connecting ring 3, further removing the connection relationship between the first connecting ring 2 and the second connecting ring 3, driving the second connecting ring 3 to move away from the first connecting ring 2, so that the support ring 5 is separated from the annular clamping groove 4, thereby completing the disassembly between the first connecting ring 2 and the second connecting ring 3, and simply and conveniently completing the disassembly and assembly between the first connecting ring 2 and the second connecting ring 3, thereby facilitating the disassembly and assembly of the single-seat control valve body 1, make things convenient for the in-service use, improved the convenience, through the slipmat 17 that sets up, reduce the gliding possibility of first limiting plate 6 relative second go-between 3, through the sealing washer 18 that sets up, increased the leakproofness between first go-between 2 and the second go-between 3.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a bellows single seat control valve that chemical industry was used which characterized in that: the single-seat control valve comprises a single-seat control valve body (1), wherein first connecting rings (2) are arranged on two sides of the single-seat control valve body (1), a second connecting ring (3) is arranged on one side of each first connecting ring (2), a ring-shaped clamping groove (4) is formed in one side, close to the second connecting ring (3), of each first connecting ring (2), a supporting ring (5) is arranged in each ring-shaped clamping groove (4), the supporting ring (5) is fixedly connected with the second connecting ring (3), two first limiting plates (6) are arranged on one side, far away from the first connecting rings (2), of each second connecting ring (3), first supporting plates (7) are fixedly connected to the top end and the bottom end of each first connecting ring (2), first rectangular holes (8) are formed in one side of each first supporting plate (7), a movable plate (11) is arranged on one side of each first supporting plate (7), and second rectangular holes (9) are formed in the tops of the movable plates (, be equipped with second backup pad (10) in second rectangular hole (9), just second backup pad (10) are located first rectangular hole (8), the top and the bottom of second backup pad (10) all with the inner wall fixed connection of first rectangular hole (8), fly leaf (11) are connected through flexible subassembly with first limiting plate (6).

2. The chemical engineering corrugated pipe single-seat control valve as claimed in claim 1, wherein: the telescopic assembly comprises a limiting groove (15) arranged on one side of the movable plate (11), a second limiting plate (16) is arranged in the limiting groove (15), one side of the second limiting plate (16) is fixedly connected with one side of the first limiting plate (6), a third supporting plate (12) is fixedly connected to the movable plate (11), a lead screw (13) is arranged on one side of the first limiting plate (6), the lead screw (13) penetrates through the third supporting plate (12), the lead screw (13) is in threaded connection with the third supporting plate (12), and the lead screw (13) is connected with the first limiting plate (6) through a bearing (14).

3. A chemical engineering bellows single seat control valve according to claim 2, characterized in that: and a handle is arranged on the screw rod (13).

4. The chemical engineering corrugated pipe single-seat control valve as claimed in claim 1, wherein: one side fixedly connected with slipmat (17) of first limiting plate (6), slipmat (17) contact with second go-between (3).

5. The chemical engineering corrugated pipe single-seat control valve as claimed in claim 1, wherein: one side fixedly connected with sealing washer (18) of support ring (5), sealing washer (18) contact with the inner wall of ring groove (4).