CN215861986U

CN215861986U - Electric stainless steel pneumatic stop valve with protective structure

Info

Publication number: CN215861986U
Application number: CN202121954919.6U
Authority: CN
Inventors: 邵建成; 邵佳坤; 李宗栋
Original assignee: Shanghai Saibin Valve Co ltd
Current assignee: Shanghai Saibin Valve Co ltd
Priority date: 2021-08-19
Filing date: 2021-08-19
Publication date: 2022-02-18
Anticipated expiration: 2031-08-19

Abstract

The utility model discloses an electric stainless steel pneumatic stop valve with a protective structure, which belongs to the technical field of pneumatic stop valves and comprises a valve body, wherein a valve cover is arranged on the valve body, a hand wheel and a valve rod are arranged on the valve cover and are in threaded connection, a transverse plate is fixed at the top of the valve cover, a box body with an open bottom is arranged at the top of the transverse plate, the transverse plate is detachably connected with the box body, the valve rod is positioned in the box body, a bidirectional motor is fixedly arranged in the box body, an output shaft of the bidirectional motor is in transmission connection with a driving gear, a driven gear is sleeved on the hand wheel, the driving gear is meshed with the driven gear, and the hand wheel is detachably connected with the driven gear; the utility model has the advantages of protecting the valve rod, prolonging the service life of the stop valve, realizing the electric adjustment of the stop valve, improving the adjustment precision and being convenient to install and disassemble.

Description

Electric stainless steel pneumatic stop valve with protective structure

Technical Field

The utility model relates to the technical field of pneumatic stop valves, in particular to an electric stainless steel pneumatic stop valve with a protection structure.

Background

The stop valve, also called stop valve, is one of the most widely used valves, and it is popular because the friction between the sealing surfaces is small in the opening and closing process, it is durable, the opening height is not large, it is easy to manufacture, it is convenient to maintain, it is not only suitable for middle and low pressure, but also for high pressure. The closing principle of the stop valve is that the sealing surface of the valve clack is tightly attached to the sealing surface of the valve seat by means of the pressure of the valve rod, and the medium is prevented from flowing.

The existing stainless steel pneumatic stop valve can not be accurately controlled through manual operation, and meanwhile, the valve rod is not provided with any protective measures, so that the valve rod is overlooked by external pollutants, and the service life is prolonged. We propose an electric stainless steel pneumatic stop valve with a protective structure for this purpose.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the electric stainless steel pneumatic stop valve with the protection structure, which overcomes the defects of the prior art and aims to solve the problem that the existing simple sampling equipment is inconvenient to use when facing hard geology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an electronic stainless steel pneumatic stop valve with protective structure, includes the valve body, be equipped with the valve gap on the valve body, be provided with hand wheel and valve rod on the valve gap, hand wheel and valve rod threaded connection, the top of valve gap is fixed with the diaphragm, the top of diaphragm is equipped with the box that the bottom is uncovered setting, the diaphragm is connected for the dismantlement formula with the box, the valve rod is located the box, fixed mounting has two-way motor in the box, two-way motor's output shaft transmission is connected with the driving gear, the cover is equipped with driven gear on the hand wheel, driving gear and driven gear meshing, hand wheel and driven gear are detachable connection.

As a preferred technical scheme of the utility model, a vertical shaft which is vertically arranged is rotatably arranged in the box body, an output shaft of the bidirectional motor is fixedly connected with the vertical shaft, and the driving gear is fixedly sleeved on the vertical shaft.

As a preferred technical scheme of the utility model, positioning blocks are fixed at two ends of the top of the hand wheel, connecting blocks A are arranged at the tops of two ends of the driven gear, a bolt is installed on the positioning blocks in a threaded mode, and one end of the bolt penetrates through the positioning blocks and is in threaded connection with the connecting blocks A.

As a preferable technical scheme of the utility model, one side of the connecting block A, which is close to the bolt, is provided with a horizontally arranged thread groove, and one end of the bolt is in sliding connection with the inner wall of the thread groove.

As a preferred technical scheme of the utility model, the driven gear is provided with an installation through hole, the hand wheel is positioned in the installation through hole, and a gap is arranged between the hand wheel and the inner wall of the installation through hole.

As a preferable technical scheme of the utility model, the transverse plate is provided with a bolt rod in a threaded manner, and the bolt rod is in threaded connection with the box body.

As a preferable technical scheme of the utility model, the top of the transverse plate is provided with a connecting groove, the box body is fixedly provided with a connecting block B positioned in the connecting groove, and the connecting block B is provided with a limiting groove in threaded connection with the bolt rod.

The utility model has the beneficial effects that:

through the box lid on the diaphragm, play the guard action to the valve rod, improve the life of stop valve, drive the threaded rod through manual rotation threaded rod and break away from the spacing groove, then upwards promote the box, connecting block B breaks away from the spread groove, realizes that the box is dismantled, dismantles and simple to operate.

Drive the vertical axis through two-way motor and rotate, drive the driving gear and rotate, drive driven gear and rotate, drive the hand wheel and rotate, realize that the electrokinetic adjusts the stop valve, promote the regulation precision, through rotating the bolt, the bolt gets into the thread groove or breaks away from the thread groove, installs and dismantles convenient to use driven gear.

The utility model has the advantages of protecting the valve rod, prolonging the service life of the stop valve, realizing the electric adjustment of the stop valve, improving the adjustment precision and being convenient to install and disassemble.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic top view of the hand wheel of the present invention;

fig. 4 is an enlarged schematic view of a portion B in fig. 1.

In the figure: 1. a valve body; 2. a valve cover; 3. a hand wheel; 4. a valve stem; 5. a transverse plate; 6. a box body; 7. a bi-directional motor; 8. a vertical axis; 9. a driving gear; 10. a driven gear; 11. connecting a block A; 12. positioning blocks; 13. a bolt; 14. a thread groove; 15. connecting block B; 16. a bolt shank; 17. a limiting groove; 18. and connecting the grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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, 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 invention.

Referring to fig. 1 and 4, the pneumatic stop valve of electronic stainless steel with protective structure, including valve body 1, be equipped with valve gap 2 on the valve body 1, be provided with hand wheel 3 and valve rod 4 on the valve gap 2, hand wheel 3 and valve rod 4 threaded connection, the top of valve gap 2 is fixed with diaphragm 5, and the top of diaphragm 5 is equipped with the bottom and is uncovered box 6 that sets up, and diaphragm 5 is connected for the dismantlement formula with box 6, and threaded bolt 16 is installed to the screw thread on diaphragm 5, and threaded bolt 16 and box 6 threaded connection. The top of the transverse plate 5 is provided with a connecting groove 18, the box body 6 is fixed with a connecting block B15 positioned in the connecting groove 18, and the connecting block B15 is provided with a limiting groove 17 in threaded connection with the bolt rod 16. The threaded rod 16 is driven to be separated from the limiting groove 17 through manual rotation of the threaded rod 16, then the box body 6 is lifted upwards, the connecting block B15 is separated from the connecting groove 18, and the box body 6 is detached, detached and installed conveniently.

Referring to fig. 1, the valve rod 4 is located in the box 6, the two-way motor 7 is fixedly installed in the box 6, the driving gear 9 is connected to an output shaft of the two-way motor 7 in a transmission mode, the vertical shaft 8 which is vertically arranged is installed in the box 6 in a rotating mode, an output shaft of the two-way motor 7 is fixedly connected with the vertical shaft 8, and the driving gear 9 is fixedly sleeved on the vertical shaft 8. The vertical shaft 8 is driven to rotate by the bidirectional motor 7, and the driving gear 9 is driven to rotate. The hand wheel 3 is sleeved with a driven gear 10, the driven gear 10 is provided with an installation through hole, the hand wheel 3 is positioned in the installation through hole, and a gap is arranged between the hand wheel 3 and the inner wall of the installation through hole. The driving gear 9 is meshed with the driven gear 10, and the hand wheel 3 is detachably connected with the driven gear 10.

Referring to fig. 2-3, the hand wheel 3 is fixed with positioning blocks 12 at both ends of the top, the driven gear 10 is provided with connecting blocks a11 at both ends of the top, the positioning blocks 12 are provided with bolts 13 by screw threads, and one end of each bolt 13 penetrates through the positioning blocks 12 and is in screw thread connection with the connecting block a 11. One side of the connecting block A11, which is close to the bolt 13, is provided with a horizontally arranged thread groove 14, and one end of the bolt 13 is in sliding connection with the inner wall of the thread groove 14. By rotating the bolt 13, the bolt 13 enters the thread groove 14 or is separated from the thread groove 14, and the driven gear 10 is mounted and dismounted, so that the use is convenient.

The working principle is as follows: cover on diaphragm 5 through box 6, play the guard action to valve rod 4, improve the life of stop valve, drive threaded rod 16 through manual rotation threaded rod 16 and break away from spacing groove 17, then upwards promote box 6, connecting block B15 breaks away from spread groove 18, realizes that box 6 dismantles, dismantles and simple to operate. Drive vertical axis 8 through two-way motor 7 and rotate, drive driving gear 9 and rotate, drive driven gear 10 and rotate, drive hand wheel 3 and rotate, realize the electrodynamic adjustment stop valve, promote the regulation precision, through rotating bolt 13, bolt 13 gets into thread groove 14 or breaks away from thread groove 14, installs and dismantles convenient to use driven gear 10.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element 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.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, 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 meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An electric stainless steel pneumatic stop valve with a protective structure comprises a valve body (1), the valve body (1) is provided with a valve cover (2), the valve cover (2) is provided with a hand wheel (3) and a valve rod (4), the hand wheel (3) is in threaded connection with the valve rod (4), it is characterized in that a transverse plate (5) is fixed at the top of the valve cover (2), a box body (6) with an open bottom is arranged at the top of the transverse plate (5), the transverse plate (5) is detachably connected with the box body (6), the valve rod (4) is positioned in the box body (6), a bidirectional motor (7) is fixedly arranged in the box body (6), an output shaft of the bidirectional motor (7) is connected with a driving gear (9) in a transmission way, the hand wheel (3) is sleeved with a driven gear (10), the driving gear (9) is meshed with the driven gear (10), and the hand wheel (3) is detachably connected with the driven gear (10).

2. The pneumatic stop valve with the protection structure of claim 1, wherein a vertical shaft (8) is vertically arranged and rotatably mounted in the box body (6), an output shaft of the bidirectional motor (7) is fixedly connected with the vertical shaft (8), and the driving gear (9) is fixedly sleeved on the vertical shaft (8).

3. The pneumatic stop valve with the protection structure is characterized in that positioning blocks (12) are fixed to two ends of the top of the hand wheel (3), connecting blocks A (11) are arranged on the tops of two ends of the driven gear (10), a bolt (13) is installed on the positioning blocks (12) in a threaded mode, and one end of the bolt (13) penetrates through the positioning blocks (12) and is in threaded connection with the connecting blocks A (11).

4. The electric stainless steel pneumatic stop valve with the protective structure according to claim 3, characterized in that a horizontally arranged thread groove (14) is formed in one side of the connecting block A (11) close to the bolt (13), and one end of the bolt (13) is slidably connected with the inner wall of the thread groove (14).

5. The electric stainless steel pneumatic stop valve with the protection structure according to claim 4, characterized in that the driven gear (10) is provided with a mounting through hole, the hand wheel (3) is located in the mounting through hole, and a space is arranged between the hand wheel (3) and the inner wall of the mounting through hole.

6. The electric stainless steel pneumatic stop valve with the protective structure is characterized in that a bolt rod (16) is installed on the transverse plate (5) in a threaded mode, and the bolt rod (16) is connected with the box body (6) in a threaded mode.

7. The pneumatic stop valve with the protection structure of claim 6, wherein the top of the cross plate (5) is provided with a connecting groove (18), the box body (6) is fixed with a connecting block B (15) positioned in the connecting groove (18), and the connecting block B (15) is provided with a limiting groove (17) in threaded connection with the bolt rod (16).