CN221990983U - Ball valve with quick closing function - Google Patents

Abstract

The utility model discloses a ball valve with a quick-closing function, comprising a valve body, a ball is arranged in an installation groove inside the valve body, a valve stem is arranged on the upper end of the ball, the upper end of the valve stem is located on the outer side of the valve body and a rotating component for controlling the rotation of the valve stem is arranged, and an auxiliary component is arranged on the upper end surface of the valve body; the utility model has a simple structure and a reasonable design, and on the premise of ensuring labor-saving operation and precise control of the opening angle, the ball valve can be quickly closed in the event of an emergency, and the effect of interrupting the entire pipeline system is achieved, the safety and response speed are effectively improved, and the key limitation of the emergency closing efficiency of the traditional handwheel-controlled ball valve is solved. At the same time, with the help of the pulling force of the auxiliary spring, the staff can save more effort when closing the ball valve in an emergency, and the operating efficiency is further improved. The utility model can continue to be used after the tooth block is reset in the later stage, which is more in line with the actual use needs of current petrochemical enterprises.

Description

Ball valve with quick closing function

Technical Field

The utility model relates to the technical field of valve equipment, in particular to a ball valve with a quick closing function.

Background

The manual ball valve is a common valve type in industrial and civil pipeline systems, is mainly used for controlling the circulation of fluid, and is used for opening or closing a flow passage through an internally installed rotatable ball body, and is generally provided with a hand wheel control and a handle control, wherein the hand wheel control ball valve is stable in operation and accurate in opening angle control, is more suitable for high-pressure operation environments, is widely applied to the fields of petroleum, chemical industry, urban water supply and the like, and is particularly used in scenes with higher requirements on fluid control precision.

The prior art has the following defects:

The ball valve of hand wheel control among the prior art usually includes main component parts such as valve body, spheroid, valve rod, gear train and hand wheel, the hand wheel passes through gear train and valve rod and links to each other with the spheroid, the operator passes through the rotation hand wheel and controls the rotation of spheroid to realize opening or closing of valve, the gear train can make the switching process of ball valve more laborsaving through the regulation of gear ratio, opening angle control is also more accurate, although this kind of design is relative accurate in laborsaving operation and opening angle control, it also has a apparent defect, the whole process that the valve was opened to closing needs the rotatory hand wheel more number of turns, and under some emergency, when if chemical raw materials leakage or other critical situations need quick closed pipeline, this kind of slow closing speed probably leads to the increase of security risk, therefore still has apparent limitation when encountering emergency and need quick closed valve, be difficult to satisfy the actual application demand of some petrochemical enterprises at present.

Disclosure of utility model

The utility model aims to provide a ball valve with a quick closing function, so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the ball valve with the quick closing function comprises a valve body, wherein a ball body is arranged in a mounting groove in the valve body, a valve rod is arranged at the upper end of the ball body, a rotating assembly used for controlling the valve rod to rotate is arranged at the outer side of the valve body at the upper end of the valve rod, and an auxiliary assembly is arranged on the upper end face of the valve body;

the rotating assembly comprises:

The installation box is arranged on the upper end face of the valve body, and the upper end face of the inner wall of the installation box is rotationally connected with the upper end of the valve rod;

The rotating rod rotates and is connected in a sliding groove on the upper end face of the valve body and a through hole at the upper end of the mounting box in a sliding manner;

The first gear is arranged on the rod wall of the valve rod, the rod wall of the rotating rod is provided with a second gear, and the second gear is in meshed connection with the first gear;

The third gear is arranged on the rod wall of the valve rod and is positioned above the first gear, the fourth gear is arranged on the rod wall of the rotating rod and is positioned above the second gear, the fourth gear is matched with the third gear, and the gear ratio of the third gear to the fourth gear is 1:1.

Preferably, the auxiliary assembly comprises:

The fluted disc is arranged on the rod wall of the valve rod and positioned between the first gear and the upper end face of the valve body;

The guide groove is formed in the upper end face of the valve body, one end of the guide groove is connected with a tooth block in a sliding mode, and teeth on the inner side of the tooth block are matched with teeth on the outer side of the fluted disc;

The auxiliary spring, the locating piece connection on one end and the valve body up end of auxiliary spring, the other end of auxiliary spring rotates with the one end of tooth piece to be connected, auxiliary spring is in the tensioning state.

Preferably, an operation door is movably arranged on the wall of the installation box at one side adjacent to the tooth block.

Preferably, the diameter of the first gear is larger than the diameter of the second gear.

Preferably, a permanent magnet is arranged on the upper end surface of the inside of the installation box and positioned on the outer side of the rotating rod.

Preferably, a hand wheel is arranged at the upper end of the rotating rod.

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

The ball valve with the quick closing function is provided with the rotating assembly, the rotating assembly comprises the mounting box, the rotating rod, the first gear, the second gear, the third gear and the fourth gear, under the premise of ensuring labor-saving operation and precisely controlling the opening angle, the ball valve is quickly closed when an emergency occurs, the effect of interrupting the whole pipeline system is greatly reduced, the time and operation effort required by emergency closing of the ball valve are greatly reduced, the safety and the response speed are effectively improved, and the key limitation of the ball valve controlled by the traditional hand wheel on the emergency closing efficiency is solved;

this ball valve with quick-closing function through being provided with auxiliary assembly, and auxiliary assembly is including fluted disc, guide slot, tooth piece and auxiliary spring, with the help of auxiliary spring's pulling force for the staff can be laborsaving more when emergency shut the ball valve, has reduced the operation degree of difficulty, has further improved operating efficiency, and can also continue to use after the later stage tooth piece resets, accords with current petrochemical enterprise's in-service use demand more.

Drawings

FIG. 1 is a schematic front view of the internal structure of the present utility model;

FIG. 2 is a schematic top view of the auxiliary assembly of the present utility model;

FIG. 3 is a schematic diagram of the operation of the auxiliary assembly of the present utility model;

fig. 4 is an enlarged schematic view of fig. 1at a in accordance with the present utility model.

In the figure: 1. a valve body; 2. a sphere; 3. a valve stem; 4. a rotating assembly; 401. a mounting box; 402. a rotating lever; 403. a first gear; 404. a second gear; 405. a third gear; 406. a fourth gear; 5. an auxiliary component; 501. fluted disc; 502. a guide groove; 503. tooth blocks; 504. an auxiliary spring; 6. an operation door; 7. a permanent magnet; 8. and a hand wheel.

Description of the embodiments

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.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the description of this patent, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "disposed" are to be construed broadly, and may be fixedly connected, disposed, or detachably connected, disposed, or integrally connected, disposed, for example. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a number" is two or more, unless explicitly defined otherwise.

Examples

Referring to fig. 1-4, the present utility model provides a ball valve with quick closing function, which comprises: the ball valve with the quick closing function comprises a valve body 1, a ball body 2 for sealing the valve body 1 is movably arranged in a mounting groove in the valve body 1, a valve rod 3 is connected to the upper end of the ball body 2, a rotating component 4 for controlling the valve rod 3 to rotate is arranged at the outer side of the valve body 1 at the upper end of the valve rod 3, and an auxiliary component 5 is arranged on the upper end face of the valve body 1; the rotary component 4 comprises a mounting box 401, a rotating rod 402, a first gear 403 and a third gear 405, wherein the mounting box 401 is fixedly arranged on the upper end face of the valve body 1, the upper end face of the inner wall of the mounting box 401 is rotationally connected with the upper end of the valve rod 3, the rotating rod 402 is rotationally and slidingly connected in a sliding groove on the upper end face of the valve body 1 and a through hole on the upper end of the mounting box 401, the first gear 403 is fixedly arranged on the rod wall of the valve rod 3, a second gear 404 is fixedly arranged on the rod wall of the rotating rod 402, the second gear 404 is in meshed connection with the first gear 403, the diameter of the first gear 403 is larger than that of the second gear 404, the third gear 405 is fixedly arranged on the rod wall of the valve rod 3 and is positioned above the first gear 403, a fourth gear 406 is arranged on the rod wall of the rotating rod 402 and above the second gear 404, the fourth gear 406 is matched with the third gear 405, the gear ratio of the third gear 405 to the fourth gear 406 is 1:1, when the ball valve is used normally, if the ball valve is to be opened or closed or the opening degree of the ball valve is regulated, the rotating rod 402 rotates, the rotating rod 402 drives the second gear 404 to rotate, the second gear 404 drives the valve rod 3 to synchronously rotate through meshed connection with the first gear 403, because the second gear 404 is smaller than the first gear 403, the rotating rod 402 needs to rotate more circles than the valve rod 3, the opening degree of the ball valve is controlled to be more accurate, the opening and closing of the ball valve can be realized when the ball valve rotates to a limit position, when an emergency needs to be closed rapidly, the rotating rod 402 is lifted until the third gear 405 is meshed with the fourth gear 406, the first gear 403 is separated from the second gear 404, then the auxiliary assembly 5 is released, the rotating rod 402 and the fourth gear 406 are rotated under the cooperation of the auxiliary assembly 5, the rotating rod 402 and the fourth gear 406 drive the third gear 405 and the valve rod 3 to rotate to the limit position, at this time, the ball valve is completely closed, because the gear ratio of the third gear 405 to the fourth gear 406 is 1:1, and the general ball valve is opened to be closed, the maximum rotation angle of the ball body 2 is 90 degrees, therefore, the rotating angle of the rotating rod 402 is between 0 and 90 degrees, the ball valve can be completely closed, the ball valve can be quickly closed under the premise of ensuring labor-saving operation and precisely controlling the opening angle through the rotating assembly 4, the effect of interrupting the whole pipeline system is achieved, the time and the operation effort required by emergency closing of the ball valve are greatly reduced, the safety and the response speed are effectively improved, and the key limitation of the ball valve controlled by the traditional hand wheel on the emergency closing efficiency is solved.

The auxiliary assembly 5 comprises a fluted disc 501, a guide groove 502 and an auxiliary spring 504, the fluted disc 501 is fixedly arranged on the wall of the valve rod 3 and located between the first gear 403 and the upper end face of the valve body 1, the guide groove 502 is arranged on the upper end face of the valve body 1, one end of the guide groove 502 is slidably connected with a tooth block 503, teeth on the inner side of the tooth block 503 are matched with teeth on the outer side of the fluted disc 501, one end of the auxiliary spring 504 is connected with a positioning block on the upper end face of the valve body 1, the other end of the auxiliary spring 504 is rotatably connected with one end of the tooth block 503, the auxiliary spring 504 is in a tensioning state, the guide groove 502 limits the moving path of the tooth block 503 through the groove type of the top, the tooth block 503 is prevented from being pulled by the auxiliary spring 504 when the auxiliary assembly 5 is needed to be inserted, the front end of the guide groove 502 is pushed by a worker until the teeth on the outer side of the fluted disc 501 are meshed with the teeth of the tooth block 503, and the tooth block 503 is separated from the limitation of the groove type of the guide groove 502, the tension of the auxiliary spring 504 is conducted to the tooth block 503 at the moment, the worker is reduced in the need of rotating the positioning block 4, the other end of the auxiliary spring 504 is rotatably connected with one end of the tooth block 503, the end of the auxiliary spring 504 is rotatably connected with one end of the valve rod 3, the auxiliary spring 504 is in a tensioning state, the other end is capable of being further improved by the aid of the fact that the tension of the worker, and the auxiliary spring 503 is capable of further reducing the practical efficiency by the tension of the help of the gear by the help of the gear block 503, and the tension of the gear, and the side of the gear has better needs to be more needed.

The operation door 6 is movably mounted on the wall of the mounting box 401 adjacent to the tooth block 503 through a hinge, and a worker can operate the tooth block 503 after opening the operation door 6, so that the working condition of the internal gear set can be observed, and the operation convenience is improved.

The permanent magnet 7 is fixedly arranged on the outer side of the rotating rod 402 on the upper end face inside the installation box 401, when the fourth gear 406 moves to the top end of the installation box 401 along with the rotating rod 402, the permanent magnet 7 can generate attractive force to the fourth gear 406, the position of the fourth gear 406 is more convenient for a worker to judge, and the rotating rod 402 and the fourth gear 406 can be effectively prevented from accidentally falling off when the ball valve is closed by the worker in an emergency.

A hand wheel 8 is installed at the upper end of the rotating rod 402, and a worker rotates the rotating rod 402 by rotating the hand wheel 8.

The working principle of the utility model is as follows:

When the ball valve with the quick closing function is used, if an emergency needs to be quickly closed, the hand wheel 8 is lifted to lift the rotating rod 402 until the third gear 405 is meshed with the fourth gear 406, the first gear 403 is separated from the second gear 404, then a worker opens the operation door 6 to push the tooth block 503 to the front end of the guide groove 502 until the tooth block is meshed with the tooth on the outer side of the fluted disc 501 and the tooth block 503 is separated from the limitation of the groove shape of the guide groove 502, at the moment, the pulling force of the auxiliary spring 504 is conducted to the fluted disc 501 through the tooth block 503 to form the force for driving the valve rod 3 to rotate, the rotating rod 402 and the fourth gear 406 are rotated through the hand wheel 8 under the cooperation of the pulling force of the auxiliary spring 504, and the rotating rod 402 and the fourth gear 406 drive the third gear 405 and the valve rod 3 to rotate to the limit position, at the moment, the ball valve is completely closed, and the ball valve is completely closed because the gear ratio of the third gear 405 to the fourth gear 406 is 1:1, and the ball valve is normally closed from opening to closing, the maximum rotation angle of the ball 2 is 90 degrees, and the rotation angle of the rotating rod 402 is between 0-90 degrees, and the ball valve can be completely closed; the utility model has simple structure and reasonable design, realizes the effect of quickly closing the ball valve when emergency happens and interrupting the whole pipeline system on the premise of ensuring labor-saving operation and accurately controlling the opening angle through the rotating assembly 4, greatly reduces the time and operation effort required by emergency closing of the ball valve, effectively improves the safety and response speed, solves the key limitation of the ball valve controlled by the traditional hand wheel on emergency closing efficiency, simultaneously ensures that staff can save more labor when emergency closing the ball valve by virtue of the tension of the auxiliary spring 504 through the auxiliary assembly 5, reduces the operation difficulty, further improves the operation efficiency, and can be used continuously after the later tooth block 503 is reset, thereby being more in line with the actual use requirement of the current petrochemical enterprises.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. A ball valve with a quick-closing function, comprising a valve body (1), characterized in that: a ball (2) is arranged in a mounting groove inside the valve body (1), a valve stem (3) is arranged at the upper end of the ball (2), a rotating component (4) for controlling the rotation of the valve stem (3) is arranged at the upper end of the valve stem (3) outside the valve body (1), and an auxiliary component (5) is arranged on the upper end surface of the valve body (1); The rotating assembly (4) comprises: An installation box (401), the installation box (401) being arranged on the upper end surface of the valve body (1), the upper end surface of the inner wall of the installation box (401) being rotatably connected to the upper end of the valve stem (3); A rotating rod (402), the rotating rod (402) being rotatably and slidably connected to a slide groove on the upper end surface of the valve body (1) and a through hole at the upper end of the mounting box (401); a first gear (403), the first gear (403) being arranged on a stem wall of the valve stem (3), a second gear (404) being arranged on the stem wall of the rotating rod (402), the second gear (404) being meshingly connected with the first gear (403); A third gear (405) is arranged on the rod wall of the valve stem (3) above the first gear (403); a fourth gear (406) is arranged on the rod wall of the rotating rod (402) above the second gear (404); the fourth gear (406) matches the third gear (405); and the gear ratio between the third gear (405) and the fourth gear (406) is 1:1. 2. The ball valve with quick closing function according to claim 1, characterized in that: the auxiliary component (5) comprises: a toothed disc (501), the toothed disc (501) being arranged on a stem wall of the valve stem (3) and between the first gear (403) and an upper end surface of the valve body (1); A guide groove (502), the guide groove (502) being formed on the upper end surface of the valve body (1), one end of the guide groove (502) being slidably connected to a tooth block (503), the teeth on the inner side of the tooth block (503) matching the teeth on the outer side of the toothed disc (501); An auxiliary spring (504), one end of the auxiliary spring (504) is connected to a positioning block on the upper end surface of the valve body (1), and the other end of the auxiliary spring (504) is rotatably connected to one end of the tooth block (503), and the auxiliary spring (504) is in a tensioned state. 3. The ball valve with quick closing function according to claim 2, characterized in that an operating door (6) is movably provided on the box wall of the installation box (401) adjacent to the gear block (503). 4. The ball valve with quick-closing function according to claim 1, characterized in that the diameter of the first gear (403) is greater than the diameter of the second gear (404). 5. The ball valve with quick closing function according to claim 1, characterized in that a permanent magnet (7) is arranged on the upper end surface inside the installation box (401) and located outside the rotating rod (402). 6. The ball valve with quick-closing function according to claim 1, characterized in that a hand wheel (8) is provided at the upper end of the rotating rod (402).