CN218718902U

CN218718902U - Choke valve rod for chemical industry

Info

Publication number: CN218718902U
Application number: CN202222920901.5U
Authority: CN
Inventors: 赵光本; 赵克伟; 王昌发; 吕良祺
Original assignee: Qingdao Yilidaxiyi Machinery Co ltd
Current assignee: Qingdao Yilidaxiyi Machinery Co ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-03-24
Anticipated expiration: 2032-11-03

Abstract

The utility model relates to a choke valve rod for chemical industry, including the valve rod head, the top movable mounting of valve rod head has coupling mechanism, the bottom fixed mounting of valve rod head has the fixed head, coupling mechanism's top fixed mounting dead lever. This choke valve rod for chemical industry, make the valve rod when using through setting up coupling mechanism, better buffer function has been possessed, the function of being convenient for change and maintenance has still been possessed simultaneously, more facilitate the use, when using, at first the flexible section of thick bamboo of wrench movement, because thread groove and threaded setting, make flexible section of thick bamboo separate and fix with the valve rod head through rotatory, then with the fixed block rigid, further rotatory flexible section of thick bamboo makes flexible section of thick bamboo rotatory, and the rotation through flexible section of thick bamboo drives the telescopic link and rotates, then because the setting in cross spacing groove, the compression telescopic link makes it promote limiting plate compression spring, further make ninety degrees rotations of telescopic link both can drive the limiting plate and carry out ninety degrees of rotation.

Description

Choke valve rod for chemical industry

Technical Field

The utility model relates to a choke valve technical field specifically is a choke valve rod for chemical industry.

Background

The throttling valve is a valve for controlling the flow of fluid by changing the throttling section or the throttling length, the throttling valve and the one-way valve are connected in parallel to form the one-way throttling valve, the throttling valve and the one-way throttling valve are simple flow control valves, and in a constant displacement pump hydraulic system, the throttling valve is matched with an overflow valve to form three throttling speed control systems, namely an oil inlet path throttling speed control system, an oil return path throttling speed control system and a bypass throttling speed control system.

The valve rod is an important part of the valve and used for transmission, an actuating mechanism or a handle is connected, a valve core is directly driven to move or rotate below the actuating mechanism or the handle so as to realize the opening and closing or adjusting action of the valve, the valve rod is not only a moving part and a stress part but also a sealing part in the opening and closing process of the valve, but the traditional valve rod does not have the buffering function when in use, the medium in the valve flows to generate larger pressure, the valve rod is deformed and damaged after long-time use, the rod head is easily abraded and does not have the function of convenient disassembly, and the valve rod is inconvenient to maintain and replace, so that the problem is solved by the throttle valve rod for chemical engineering.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a choke valve rod for chemical industry possesses advantages such as can cushion and convenient to detach, has solved traditional valve rod and does not possess the function of buffering when using, and the medium flow of the inside of valve can produce great pressure, and long-time the use can lead to the valve rod to warp impairedly, and the pole head receives wearing and tearing still do not possess convenient to detach's function, inconvenient maintenance and the problem of changing easily simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: a chemical throttle valve rod comprises a valve rod head, wherein a connecting mechanism is movably mounted at the top of the valve rod head, a fixed head is fixedly mounted at the bottom of the valve rod head, a fixed rod is fixedly mounted at the top of the connecting mechanism, and a turntable is fixedly mounted at the top of the fixed rod;

coupling mechanism includes a telescopic cylinder, the top threaded connection of valve rod head has a telescopic cylinder, makes the inside movable mounting of telescopic cylinder have the telescopic link, the top fixed mounting of telescopic link has the stopper, the bottom fixed mounting of dead lever has the fixed block, the interior roof fixed mounting of fixed block has two springs.

Further, a cross limiting groove is formed in the fixing block, and the two springs are located above the cross limiting groove.

Furthermore, the outer surface of the telescopic cylinder is provided with threads, and the valve rod head is internally provided with a thread groove matched with the threads on the outer surface of the telescopic cylinder.

Furthermore, through holes are formed in the front face and the back face of the fixing head, and the through holes are arranged on the front face and the back face of the fixing head at equal intervals.

Furthermore, the inside of fixed head is hollow design, and the bottom of fixed head has seted up the round hole.

Furthermore, two the left side and the right side of spring all are provided with the limiting plate, and the fixed head is the toper.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this choke valve rod for chemical industry, make the valve rod when using through setting up coupling mechanism, better buffer function has been possessed, the function of being convenient for change and maintenance has still been possessed simultaneously, more convenient to use, when using, at first the telescopic cylinder of wrench movement, because thread groove and threaded setting, make the telescopic cylinder can come to separate and fix with the valve rod head through the rotation, then with the fixed block rigid, further rotatory telescopic cylinder makes the telescopic cylinder rotatory, and the rotation through the telescopic cylinder drives the telescopic link and rotates, then because the setting in cross spacing groove, the compression telescopic link makes it promote limiting plate compression spring, further make ninety degrees rotations of telescopic link both can drive the limiting plate and carry out ninety degrees rotation, at last because ninety degrees of limiting plate rotation can follow the fixed block separation, otherwise can make the limiting plate fixed in that the fixed block is inside.

2. This choke valve rod for chemical industry, make the valve rod when using through setting up coupling mechanism, better buffering effect has been possessed, and the function of convenient to detach and installation, so that the staff maintains and changes the valve rod, through the buffering can effectual protection valve rod the pole head position, prolong its life, traditional valve rod often is the integrated design, and do not possess the function of buffering, do not still possess the function of convenient to detach's change simultaneously, just need to change whole valve rod after the pole head wearing and tearing, lead to resource waste, coupling mechanism's the effectual this problem of having solved that sets up, change valve rod damaged position that can be quick through convenient to detach's function, do not need whole changes, the use cost of choke valve has been practiced thrift to a certain extent, the function through flexible and make the valve rod possess certain buffer capacity, the effectual pole head of having protected, increase its compressive capacity, the life of valve rod has still been prolonged simultaneously, in traditional valve rod, more practical.

Drawings

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

FIG. 2 is a front sectional view of the structure of the present invention;

fig. 3 is a structural diagram of the structural connection mechanism of the present invention.

In the figure: 1. a valve stem head; 2. a connecting mechanism; 201. a telescopic cylinder; 202. a telescopic rod; 203. a limiting block; 204. a fixed block; 205. a spring; 3. a fixed head; 4. fixing the rod; 5. a turntable.

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.

Referring to fig. 1-3, the chemical throttle valve rod in this embodiment includes a valve rod head 1, a connecting mechanism 2 is movably installed at the top of the valve rod head 1, a fixing head 3 is fixedly installed at the bottom of the valve rod head 1, a fixing rod 4 is fixedly installed at the top of the connecting mechanism 2, and a turntable 5 is fixedly installed at the top of the fixing rod 4;

the connecting mechanism 2 comprises a telescopic cylinder 201, the top of the valve rod head 1 is in threaded connection with the telescopic cylinder 201, the telescopic cylinder 201 is movably arranged inside, a telescopic rod 202 is arranged inside the telescopic cylinder 201, a limiting block 203 is fixedly arranged at the top of the telescopic rod 202, a fixing block 204 is fixedly arranged at the bottom of the fixing rod 4, and two springs 205 are fixedly arranged on the inner top wall of the fixing block 204.

The setting of dead lever 4 can be effectual support and connect fixedly carousel 5, and the setting of carousel 5 makes things convenient for operating personnel to rotate the valve rod, and spring 205's setting can utilize its reaction force to make stopper 203 hug closely the inside of fixed block 204, increases fixed stability.

When in implementation, the method comprises the following steps:

1) Firstly, the telescopic cylinder 201 is twisted, and due to the arrangement of the thread groove and the thread, the telescopic cylinder 201 can be separated from and fixed with the valve rod head 1 through rotation;

2) Then, fixing the fixing block 204, further rotating the telescopic cylinder 201 to rotate the telescopic cylinder 201, and driving the telescopic rod 202 to rotate through the rotation of the telescopic cylinder 201;

3) Then, due to the arrangement of the cross limiting groove, the telescopic rod 202 is compressed to push the limiting block 203 to compress the spring 205, and further the telescopic rod 202 rotates ninety degrees, namely the limiting block 203 can be driven to rotate ninety degrees;

4) Finally, the limiting block 203 can be separated from the fixing block 204 due to ninety-degree rotation of the limiting block 203, and conversely, the limiting block 203 can be fixed inside the fixing block 204.

To sum up, this choke valve rod for chemical industry, make the valve rod when using through setting up coupling mechanism 2, better buffer function has been possessed, still possessed the function of being convenient for change and maintenance simultaneously, more convenient to use, when using, at first twist telescopic cylinder 201, because the setting of thread groove and screw thread, make telescopic cylinder 201 can come to separate and fix with valve rod head 1 through the rotation, then it is motionless with fixed block 204, further rotate telescopic cylinder 201 and make telescopic cylinder 201 rotatory, and the rotation through telescopic cylinder 201 drives telescopic link 202 and rotates, then because the setting of cross spacing groove, compression telescopic link 202 makes it promote stopper 203 compression spring 205, further make telescopic link 202 ninety degree rotation both can drive stopper 203 and carry out ninety degree rotation, finally because stopper 203 ninety degree's rotation can follow the separation of fixed block 204, otherwise can make stopper 203 fixed inside fixed block 204.

Further, make the valve rod when using through setting up coupling mechanism 2, better buffering effect has been possessed, and the function of convenient to detach and installation, so that the staff maintains and changes the valve rod, the pole head position that can effectual protection valve rod through the buffering, prolong its life, traditional valve rod often is the integrated design, and do not possess the function of buffering, the function of convenient to detach's change still does not possess simultaneously, just need to change whole valve rod after the pole head wearing and tearing, lead to the wasting of resources, coupling mechanism 2 sets up effectual this problem of having solved, the position of change valve rod damage that can be quick through convenient to detach's function, do not need whole changes, the use cost of choke valve has been practiced thrift to a certain extent, make the valve rod possess certain buffer capacity through flexible and function, the effectual pole head of having protected, increase its compressive capacity, the life of valve rod has still been prolonged simultaneously, compare in traditional valve rod, more practical.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

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 choke valve rod for chemical industry, includes valve rod head (1), its characterized in that: the top of the valve rod head (1) is movably provided with a connecting mechanism (2), the bottom of the valve rod head (1) is fixedly provided with a fixed head (3), the top of the connecting mechanism (2) is fixedly provided with a fixed rod (4), and the top of the fixed rod (4) is fixedly provided with a turntable (5);

coupling mechanism (2) are including a telescopic cylinder (201), the top threaded connection of valve rod head (1) has a telescopic cylinder (201), makes the inside movable mounting of telescopic cylinder (201) have telescopic link (202), the top fixed mounting of telescopic link (202) has stopper (203), the bottom fixed mounting of dead lever (4) has fixed block (204), the interior roof fixed mounting of fixed block (204) has two springs (205).

2. The chemical throttle valve rod of claim 1, wherein: the inside of fixed block (204) is seted up the cross spacing groove, and two springs (205) all are located the top in cross spacing groove.

3. The chemical throttle valve rod of claim 1, wherein: the outer surface of the telescopic cylinder (201) is provided with threads, and the valve rod head (1) is internally provided with a thread groove matched with the threads on the outer surface of the telescopic cylinder (201).

4. The chemical throttle valve rod of claim 1, wherein: the front and the back of the fixed head (3) are provided with through holes which are arranged on the front and the back of the fixed head (3) at equal intervals.

5. The chemical throttle valve rod of claim 1, wherein: the inside of the fixed head (3) is designed to be hollow, and a round hole is formed in the bottom of the fixed head (3).

6. The chemical throttle valve rod of claim 1, wherein: two the left side and the right side of spring (205) all are provided with the limiting plate, and fixed head (3) are the toper.