CN220727260U

CN220727260U - Duplex forged steel gate valve

Info

Publication number: CN220727260U
Application number: CN202322363615.8U
Authority: CN
Inventors: 许文宾; 王强; 鞠学伟; 陈凡; 张辉; 陈苗苗; 潘泽南; 柯昌云
Original assignee: Zhejiang Wowo Valve Co ltd
Current assignee: Zhejiang Wowo Valve Co ltd
Priority date: 2023-08-31
Filing date: 2023-08-31
Publication date: 2024-04-05
Anticipated expiration: 2033-08-31

Abstract

The utility model discloses a duplex forging steel gate valve, which relates to the technical field of valves and comprises a valve body and a valve rod, wherein a valve cover is arranged above the valve body, openings for a connecting cylinder to pass through are formed in the upper surface and the lower surface of the valve cover and the valve body, an external thread groove is formed in the top of the connecting cylinder, the connecting cylinder is in threaded connection with a first incomplete disc through the external thread groove, the duplex forging steel gate valve also comprises a pressing part, the pressing part is arranged on the surface of the connecting cylinder, and the pressing part comprises: the two pressing rods are arranged through the pressing parts, so that the two pressing rods press the surface of the valve body, the valve further comprises a fixing part which is arranged on the side wall of the valve cover and is arranged through the fixing part, the utility model has the effect of stabilizing the gate valve.

Description

Duplex forged steel gate valve

Technical Field

The utility model relates to the technical field of valves, in particular to a double forging steel gate valve.

Background

The gate valve is a gate plate of an opening and closing piece, and because the moving direction of the gate plate is vertical to the direction of fluid, the gate valve can only be used for full opening and full closing, can not be regulated and throttled, the forged steel valve can be used for controlling the flow of air, water, steam, and other fluids, has the advantage of high temperature and high pressure resistance, and in order to ensure the tightness of the forged steel valve, the gate valve can be installed in a mode of combining two forged steel gate valves in the actual installation process, namely the double forged steel gate valve.

Nowadays forged steel gate valves are of various kinds, and bolt connection is usually used when the gate valve is installed, but in the practical application process, because the operation of the gate valve can produce vibrations, the bolt can produce looseness in the long term, even make the gap between valve gap and the valve body to make the gate valve unstable, and then influence the use, like the patent of published publication, patent number: CN219139984U, patent name: forged steel gate valve, also mentioned in this patent background: the valve cover and the valve body are connected through the bolts, the bolts can be loosened in the long-time use process, so that the installation is unstable, and therefore, a forged steel gate valve which enables the valve cover and the valve body to be tightly connected is needed to solve the problem.

Disclosure of Invention

The utility model aims to provide a duplex forging steel gate valve, which has the effect of stabilizing the gate valve and solves the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the double forging steel gate valve comprises a valve body and a valve rod, wherein a valve cover is arranged above the valve body, openings for a connecting cylinder to pass through are formed in the upper surface and the lower surface of the valve cover and the upper surface and the lower surface of the valve body, an external thread groove is formed in the top of the connecting cylinder, and the connecting cylinder is in threaded connection with a first incomplete disc through the external thread groove;

still including supporting the pressure part, it is in to support the pressure part setting the surface of connecting cylinder, support the pressure part and include: the two pressing rods are used for pressing the surface of the valve body through the two pressing rods;

the valve cover also comprises a fixing part, wherein the fixing part is arranged on the side wall of the valve cover so as to limit the rotation of the incomplete disc.

Optionally, the pressing component includes:

the sliding rod, the lever arm of sliding rod with the inner wall sliding connection of connecting cylinder, and the top of connecting cylinder stretches out the top of connecting cylinder, the bottom of sliding rod is provided with the sliding tray, the lower fixed surface of sliding tray is connected with the spring, the spring sets up the bottom in the connecting cylinder section of thick bamboo, the bottom of sliding rod sets up to the hemisphere, the bottom butt of sliding rod has two fixed blocks, two the tip of fixed block with two the bottom fixed connection of supporting the depression bar, the side of connecting cylinder has been seted up and has been used for supporting the breach that the depression bar was rotated out, the surface of fixed block with the mouth wall of breach articulates.

Optionally, the fixing part includes:

the protection box is characterized by comprising a protection box and an output rod, wherein the surface of the protection box is fixedly connected with the side wall of the valve cover, an opening for the output rod to pass through is formed in the surface of the protection box, a malformed disc II is rotatably connected to the end part of the output rod, and the side wall of the malformed disc II is rotatably connected with the side wall of the malformed disc I.

Optionally, the device further comprises a driving component for conveniently driving the fixing component to operate and an auxiliary component for conveniently using the forged steel gate valve by workers.

Optionally, the driving part includes:

the surface of the motor is fixedly connected with the inner wall of the protection box, and the output end of the motor is fixedly connected with the end part of the output rod.

Optionally, the auxiliary component includes the stopper, the inner wall of stopper with the lever arm sliding connection of valve rod, two the top of supporting the depression bar all is provided with the friction layer.

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

1. in the practical application process, the bolts are loosened due to vibration generated by the running of the gate valve, so that the gate valve is unstable.

2. In consideration of the fact that the valve body is fixed to enable the gate valve to shake, the first incomplete disc and the second incomplete disc are matched, so that the first incomplete disc is limited by the second incomplete disc, the first incomplete disc is limited by the first incomplete disc, the first incomplete disc is limited by the valve cover, the valve cover can be fixed, and the effect of stabilizing the gate valve is achieved.

3. According to the utility model, through the arrangement of the friction layer, the two propping rods are more stable when propping against the bottom surface of the valve cover, so that the gate valve is more stable when running.

Drawings

FIG. 1 is an isometric view of the appearance of the structure of the present utility model;

FIG. 2 is an enlarged view of the utility model at A in FIG. 1;

FIG. 3 is an enlarged view of the utility model at B in FIG. 1;

FIG. 4 is a partial cross-sectional view of a portion of a part of the present utility model;

FIG. 5 is an enlarged view of FIG. 4 at C in accordance with the present utility model;

FIG. 6 is an interior plan view of the protective case of the present utility model;

fig. 7 is a top plan view of the defective disk one and the defective disk two of the present utility model.

In the figure: 1. a valve body; 2. a valve cover; 3. a valve stem; 4. a hand wheel; 5. a connecting cylinder; 6. a defective disc I; 7. a pressing rod; 8. a slide bar; 9. a sliding plate; 10. a spring; 12. a protection box; 13. an output lever; 14. a incomplete disc II; 15. a motor; 16. a limiting block; 17. a friction layer; 18. and a fixed block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Embodiment one:

referring to fig. 1 to 7, the present utility model provides a technical solution: the double forging steel gate valve comprises a valve body 1, a valve rod 3 and a hand wheel 4, wherein a valve cover 2 is arranged above the valve body 1, openings for a connecting cylinder 5 to pass through are formed in the upper surface and the lower surface of the valve cover 2 and the valve body 1, an external thread groove is formed in the top of the connecting cylinder 5, and the connecting cylinder 5 is in threaded connection with a broken disc I6 through the external thread groove;

still including pressing the part, pressing the part setting and pressing the surface that the part set up at connecting cylinder 5, pressing the part and including: two pressing rods 7 for pressing the surface of the valve body 1 by the two pressing rods 7;

and a fixing part is arranged on the side wall of the valve cover 2 to limit the rotation of the incomplete disc I6.

More specifically, in the present embodiment: the staff starts the duplex forging steel gate valve for the gate valve operates, and fluid such as rivers get into in the valve body 1, and the slip through valve rod 3 carries out spacingly to fluid such as rivers, because forging steel gate valve can produce vibrations when the operation for valve gap 2 and valve body 1 junction produce the gap, thereby make the gate valve unstable, therefore, before the gate valve starts, the staff starts to support the pressure part, passes the surface of valve gap 2 and valve body 1 through connecting cylinder 5, makes two support pressure bars 7 support the surface of valve body 1 to press, thereby make valve gap 2 and valve body 1 fix, thereby make the gate valve operation time more stable.

It is noted that after the fixing between the valve cover 2 and the valve body 1 is completed, the operator manipulates the fixing component to further limit the rotation of the defective disc one 6, so that the defective disc one 6 fixes the valve cover 2, and the gate valve can be more stable.

Embodiment II, based on the above embodiment:

referring to fig. 2 to 5, the following disclosure is made on a pressing member in the first embodiment, where the pressing member includes:

the sliding rod 8, the lever arm of sliding rod 8 and the inner wall sliding connection of connecting cylinder 5, and the top of connecting cylinder 5 stretches out the top of connecting cylinder 5, the bottom of sliding rod 8 is provided with slide dish 9, the lower fixed surface of slide dish 9 is connected with spring 10, spring 10 sets up the bottom in connecting cylinder 5 a section of thick bamboo, the bottom of sliding rod 8 sets up to the hemisphere, the bottom butt of sliding rod 8 has two fixed blocks 18, the tip and the bottom fixed connection of two pressure bars 7 of two fixed blocks 18, the breach that is used for pressing the pressure bar 7 to unscrew is seted up to the side of connecting cylinder 5, the mouth wall of the surface breach of fixed block 18 articulates.

More specifically, in the present embodiment: by pressing the sliding rod 8, the sliding rod 8 vertically and downwards displaces along the inner wall of the connecting cylinder 5, the sliding rod 8 is propped against the fixed block 18, the two propping rods 7 are screwed into the notch by taking the hinging position between the fixed block 18 and the notch as the center of a circle, then the connecting cylinder 5 passes through the valve cover 2 and the valve body 1, and then the sliding rod 8 is loosened, as the original sliding rod 8 downwards moves, the sliding disc 9 is propped against and compresses the spring 10, when the sliding rod 8 is loosened again, the sliding disc 9 and the sliding rod 8 are upwards moved together by the elastic reset of the spring 10, and then the sliding disc 9 is propped against one end of the fixed block 18 towards the sliding rod 8 when upwards moved, so that the propping rods 7 are screwed out of the notch to the state shown in fig. 4, and finally the incomplete disc 6 is screwed into the top of the connecting cylinder 5 and is screwed into the state shown in fig. 2, and the connection of the valve cover 2 and the valve body 1 is completed.

Embodiment III, based on the above embodiment:

referring to fig. 2 to 7, the following disclosure is made on a fixing member in the first embodiment, where the fixing member includes:

the protection box 12 and the output rod 13, the surface of the protection box 12 is fixedly connected with the side wall of the valve cover 2, an opening for the output rod 13 to pass through is formed in the surface of the protection box 12, and the end part of the output rod 13 is rotatably connected with the incomplete disc two 14.

More specifically, in the present embodiment: the first incomplete disc 6 is vertically and downwards displaced along the lever arm of the connecting cylinder 5 by rotating the first incomplete disc 6, the first incomplete disc 6 is vertically and downwards displaced along the lever arm of the connecting cylinder 5, the incomplete opening of the first incomplete disc 6 is opposite to the incomplete opening of the second incomplete disc 14, the second incomplete disc 14 is rotated, the complete surface of the second incomplete disc 14 is bonded with the incomplete opening of the first incomplete disc 6, and as shown in fig. 7, the first incomplete disc 6 can be fixed, the first incomplete disc 6 limits the valve cover 2, the valve cover 2 and the valve body 1 can be connected more stably, and the gate valve can be more stable;

when the limit of the valve cover 2 needs to be released, the incomplete disc I6 can be rotated by rotating the incomplete disc II 14 to enable the incomplete gap of the incomplete disc II 14 to be opposite to the incomplete gap of the incomplete disc I6, so that the limit of the valve cover 2 can be released.

Embodiment IV, based on the above embodiment:

referring to fig. 1, the following additions are made to the components in the first embodiment: the steel forging gate valve further comprises a driving component used for conveniently driving the fixing component to operate, and an auxiliary component used for conveniently enabling workers to use the steel forging gate valve.

The driving part includes: the motor 15, the surface of motor 15 and the inner wall fixed connection of guard box 12, the output of motor 15 and the tip fixed connection of output rod 13.

More specifically, in the present embodiment: the motor 15 is started by a worker, so that the motor 15 drives the output rod 13 to rotate, and the incomplete disc II 14 can rotate through the rotation of the output rod 13.

Fifth embodiment, based on the above embodiment:

referring to fig. 1 and 4, the following disclosure is made on the auxiliary components in the fourth embodiment, where the auxiliary components include a limiting block 16, an inner wall of the limiting block 16 is slidably connected with a lever arm of the valve rod 3, and friction layers 17 are disposed on top of both pressing rods 7.

More specifically, in the present embodiment: through the setting of stopper 16 for the gate valve is more stable during operation, through the setting of frictional layer 17, makes two pressure bars 7 more stable when supporting with the bottom surface of valve gap 2.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. The utility model provides a duplex forging steel gate valve, includes valve body (1) and valve rod (3), its characterized in that: a valve cover (2) is arranged above the valve body (1), openings for a connecting cylinder (5) to pass through are formed in the upper surface and the lower surface of the valve cover (2) and the upper surface and the lower surface of the valve body (1), an external thread groove is formed in the top of the connecting cylinder (5), and the connecting cylinder (5) is in threaded connection with a broken disc I (6) through the external thread groove;

still including supporting the pressure part, it is in to support the pressure part setting the surface of connecting tube (5), it includes to support the pressure part: two pressing rods (7) for pressing the surface of the valve body (1) by the two pressing rods (7);

the device also comprises a fixing part which is arranged on the side wall of the valve cover (2) so as to limit the rotation of the incomplete disc I (6).

2. The twin wrought steel gate valve according to claim 1, wherein: the pressing member includes:

the sliding rod (8), the lever arm of sliding rod (8) with the inner wall sliding connection of connecting cylinder (5), and stretch out at the top of connecting cylinder (5), the bottom of sliding rod (8) is provided with sliding tray (9), the lower fixed surface of sliding tray (9) is connected with spring (10), spring (10) set up the bottom in connecting cylinder (5) section of thick bamboo, the bottom of sliding rod (8) sets up to the hemisphere, the bottom butt of sliding rod (8) has two fixed blocks (18), two the tip of fixed block (18) and two the bottom fixed connection of supporting depression bar (7), the breach that is used for supporting depression bar (7) unscrewing is seted up to the side of connecting cylinder (5), the surface of fixed block (18) with the mouth wall of breach articulates.

3. The twin wrought steel gate valve according to claim 2, characterized in that: the fixing member includes:

the protection box (12) and output rod (13), the surface of protection box (12) with the lateral wall fixed connection of valve gap (2), the opening that supplies output rod (13) passed is seted up on the surface of protection box (12), the tip rotation of output rod (13) is connected with incomplete disc two (14).

4. A twin wrought steel gate valve according to claim 3, characterized in that: the steel forging gate valve further comprises a driving component for conveniently driving the fixing component to operate and an auxiliary component for conveniently using the steel forging gate valve by workers.

5. The double forging steel gate valve as recited in claim 4, wherein: the driving part includes: the motor (15), the surface of motor (15) with the inner wall fixed connection of guard box (12), the output of motor (15) with the tip fixed connection of output pole (13).

6. The twin wrought steel gate valve according to claim 5, wherein: the auxiliary component comprises a limiting block (16), the inner wall of the limiting block (16) is in sliding connection with the lever arms of the valve rod (3), and friction layers (17) are arranged at the tops of the two pressing rods (7).