CN217927237U - Limit structure of ball valve - Google Patents

Abstract

The application discloses limit structure of ball valve, including limit structure, limit structure includes the ball valve rod cover, ball valve rod cover top rigid coupling valve rod cover apron, the inside ball valve rod body that is provided with of ball valve rod cover, just ball valve rod body surface rotates with valve rod cover and is connected, ball valve rod body top rigid coupling has the rotor plate, the first spliced pole of rotor plate bottom rigid coupling, rotor plate bottom rigid coupling has the second spliced pole, the equal rigid coupling in first spliced pole and second spliced pole bottom has spacing ball, spacing ball surface and spacing crown plate sliding connection, spacing crown plate rigid coupling in ball valve rod cover surface. This application utilizes the rotor plate to drive spacing ball and rotates, utilizes the spacing ball of both sides and spacing ring board can inject the turned angle of ball valve rod body, and can not damage because of the frequent rotation of ball valve rod body, increases the life of ball valve, the use of the ball valve of being convenient for.

Description

Limit structure of ball valve

Technical Field

The application relates to the field of ball valves, in particular to a limiting structure of a ball valve.

Background

The ball valve is mainly used for cutting off, distributing and changing the flow direction of a medium in a pipeline, can be closed tightly only by rotating 90 degrees and a small rotating torque, is most suitable for being used as a switch and a stop valve, and is a V-shaped ball valve.

In present ball valve, generally install the spacing piece of synchronous rotation on the handle, establish a stopper that plays the spacing piece rotation range of restriction on the valve body, after the handle rotates certain angle, block spacing piece through the stopper, make the handle can't continue to rotate to ensure that the ball valve is in and opens or the closed condition, but and because the handle frequently rotates, often can cause the spacing piece of handle to take place because of the too big bending or even fracture phenomenon of atress, influence the normal use of ball valve. Therefore, a limiting structure of the ball valve is provided for solving the problems.

Disclosure of Invention

The limiting structure of the ball valve is provided in the embodiment and used for solving the problem that a limiting sheet of a handle of the ball valve in the prior art is easy to damage.

According to an aspect of the application, a limit structure of ball valve is provided, including limit structure, limit structure includes the ball valve rod cover, ball valve rod cover top rigid coupling rod cover board, the inside ball valve rod body that is provided with of ball valve rod cover, just ball valve rod body surface rotates with rod cover to be connected, ball valve rod body top rigid coupling has the rotor plate, the first spliced pole of rotor plate bottom rigid coupling, rotor plate bottom rigid coupling has the second spliced pole, the equal rigid coupling in first spliced pole and second spliced pole bottom has spacing ball, spacing ball surface and spacing crown plate sliding connection, spacing crown plate rigid coupling in ball valve rod cover surface.

Further, including rotating-structure, rotating-structure includes the fixed column, the fixed column rigid coupling is in the rotor plate top, the fixed column surface is rotated and is connected the rotation sleeve, rotate the first fixed sleeve of sleeve side rigid coupling, rotate sleeve side rigid coupling second fixed sleeve, the equal threaded connection of first fixed sleeve and second fixed sleeve one end has the screw thread post, screw thread post one end rigid coupling has turning handle.

Furthermore, the valve rod sleeve cover plate is provided with a rotating hole, and the top end of the ball valve rod body penetrates through the rotating hole and extends to the position above the valve rod sleeve cover plate.

Furthermore, first spliced pole and second spliced pole are the symmetric distribution, two symmetric distribution's spacing groove is seted up to the spacing ring board, spacing ball passes through spacing groove and spacing ring board sliding connection.

Furthermore, first fixed sleeve and second fixed sleeve are bilateral symmetry and distribute, first fixed sleeve and second fixed sleeve inner wall all offer the internal thread.

Furthermore, two threaded holes which are symmetrically distributed are formed in the side face of the rotating sleeve, and two threaded grooves which are symmetrically distributed are formed in the side face of the fixing column.

Through the above-mentioned embodiment of this application, the problem of the spacing piece easy damage of ball valve handle has been solved, and is spacing effectual, and can not increase the life of ball valve because the handle frequently rotates and harm.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is an overall perspective view of one embodiment of the present application;

FIG. 2 is an overall internal schematic view of an embodiment of the present application;

FIG. 3 is an overall top view schematic diagram of an embodiment of the present application.

In the figure: 1. a ball valve stem sleeve; 2. a valve stem sleeve cover plate; 3. a ball valve stem body; 4. a rotating plate; 5. a first connecting column; 6. a second connecting column; 7. a limiting ball; 8. a limit ring plate; 9. fixing a column; 10. rotating the sleeve; 11. a first fixed sleeve; 12. a second fixed sleeve; 13. a threaded post; 14. the handle is rotated.

Detailed Description

In order to make the technical solutions of the present application better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all 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 application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as the case may be.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that, in the present application, the embodiments and features of the embodiments may be combined with each other without conflict. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Please refer to fig. 1-3, a limiting structure of a ball valve, includes a limiting structure, the limiting structure includes a ball valve stem sleeve 1, a top of the ball valve stem sleeve 1 is fixedly connected with a stem sleeve cover plate 2, a ball valve stem body 3 is arranged inside the ball valve stem sleeve 1, a surface of the ball valve stem body 3 is rotatably connected with the stem sleeve cover plate 2, a rotating plate 4 is fixedly connected to a top end of the ball valve stem body 3, a first connecting column 5 is fixedly connected to a bottom of the rotating plate 4, a second connecting column 6 is fixedly connected to a bottom of the rotating plate 4, a limiting ball 7 is fixedly connected to bottom ends of the first connecting column 5 and the second connecting column 6, a surface of the limiting ball 7 is slidably connected with a limiting ring plate 8, and the limiting ring plate 8 is fixedly connected to a surface of the ball valve stem sleeve 1.

Utilize the rotor plate 4 to drive spacing ball 7 and rotate during the use, utilize spacing ball 7 and the spacing ring board 8 of both sides to prescribe a limit to the turned angle of ball valve rod body 3, and can not damage because of the frequent rotation of ball valve rod body 3, increase the life of ball valve, the use of the ball valve of being convenient for.

The device comprises a rotating structure, wherein the rotating structure comprises a fixed column 9, the fixed column 9 is fixedly connected to the top of a rotating plate 4, the surface of the fixed column 9 is rotatably connected with a rotating sleeve 10, the side surface of the rotating sleeve 10 is fixedly connected with a first fixed sleeve 11, the side surface of the rotating sleeve 10 is fixedly connected with a second fixed sleeve 12, one end of each of the first fixed sleeve 11 and the second fixed sleeve 12 is in threaded connection with a threaded column 13, and one end of each threaded column 13 is fixedly connected with a rotating handle 14; the valve rod sleeve cover plate 2 is provided with a rotating hole, and the top end of the ball valve rod body 3 penetrates through the rotating hole and extends to the upper part of the valve rod sleeve cover plate 2; the first connecting column 5 and the second connecting column 6 are symmetrically distributed, the limiting ring plate 8 is provided with two symmetrically distributed limiting grooves, the limiting ball 7 is in sliding connection with the limiting ring plate 8 through the limiting grooves, and the position of the limiting ball 7 can be limited through the limiting grooves; the first fixing sleeve 11 and the second fixing sleeve 12 are symmetrically distributed left and right, and inner walls of the first fixing sleeve 11 and the second fixing sleeve 12 are provided with internal threads; two threaded holes which are symmetrically distributed are formed in the side face of the rotating sleeve 10, two thread grooves which are symmetrically distributed are formed in the side face of the fixing column 9, and the threaded column 13 can be conveniently connected with the fixing column 9 through the thread grooves.

This application is when using, at first rotate the turning handle 14 of both sides respectively, thereby it rotates to drive the screw thread post 13 that corresponds, make screw thread post 13 move to the turning sleeve 10 inboard under the effect of first fixed sleeve 11 or second fixed sleeve 12 this moment, thereby make screw thread post 13 remove to fixed column 9 side, utilize screw thread post 13 to couple together fixed column 9 and turning handle 14, it can drive screw thread post 13 and rotate to rotate turning handle 14 this moment, thereby it rotates fixed column 9, can drive rotor plate 4 and ball valve rod body 3 rotation during fixed column 9 rotates, can drive first spliced pole 5 and second spliced pole 6 rotation when rotor plate 4 rotates, thereby it rotates at spacing ring plate 8 to drive spacing ball 7 respectively, the spacing groove that spacing ring plate 8 was seted up can be injectd the rotational position of spacing ball 7, thereby prescribe a limit to the open and close position of ball valve, the use of ball valve of being convenient for, when not needing to open and close by mistake, toward opposite direction turning handle 14, thereby it rotates screw thread post 13 to drive, thereby make screw thread post 13 keep away from fixed column 9, it can not rotate fixed column 14 this moment, thereby prevent ball valve rod body from being touched ball valve rod 3 rotation operation by mistake.

The application has the advantages that:

1. the ball valve has the advantages that the structure is simple, the limiting ball can be driven to rotate by the rotating plate, the rotating angle of the ball valve rod body can be limited by the limiting balls and the limiting ring plates on the two sides, the ball valve rod body cannot be damaged due to frequent rotation of the ball valve rod body, the service life of the ball valve is prolonged, and the use of the ball valve is facilitated;

2. this application simple operation utilizes screw thread post isotructure can be convenient for connect fixed column and twist grip, is convenient for utilize twist grip to rotate ball valve rod body isotructure to accomplish opening and close of ball valve, and can avoid the mistake to rotate the ball valve when need not opening and close the ball valve, the use of the ball valve of being convenient for.

The present application relates to circuits and electronic components and modules, all of which are well within the skill of those in the art and, needless to say, does not relate to software or process improvements.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (6)

1. The utility model provides a limit structure of ball valve which characterized in that: including limit structure, limit structure includes ball valve stem cover (1), ball valve stem cover (1) top rigid coupling stem cover board (2), ball valve stem cover (1) inside is provided with ball valve stem body (3), just ball valve stem body (3) surface rotates with stem cover board (2) to be connected, ball valve stem body (3) top rigid coupling has rotor plate (4), the first spliced pole (5) of rotor plate (4) bottom rigid coupling, rotor plate (4) bottom rigid coupling has second spliced pole (6), the equal rigid coupling in first spliced pole (5) and second spliced pole (6) bottom has spacing ball (7), spacing ball (7) surface and spacing crown plate (8) sliding connection, spacing crown plate (8) rigid coupling is on ball valve stem cover (1) surface.

2. A spacing structure of a ball valve according to claim 1, wherein: including rotating structure, rotating structure includes fixed column (9), fixed column (9) rigid coupling is in rotor plate (4) top, fixed column (9) surface rotates to connect and rotates sleeve (10), rotate the first fixed sleeve (11) of sleeve (10) side rigid coupling, rotate sleeve (10) side rigid coupling second fixed sleeve (12), the equal threaded connection of first fixed sleeve (11) and second fixed sleeve (12) one end has screw thread post (13), screw thread post (13) one end rigid coupling has turning handle (14).

3. A limit structure of a ball valve according to claim 1, wherein: the valve rod sleeve cover plate (2) is provided with a rotating hole, and the top end of the ball valve rod body (3) penetrates through the rotating hole and extends to the position above the valve rod sleeve cover plate (2).

4. A limit structure of a ball valve according to claim 1, wherein: first spliced pole (5) and second spliced pole (6) are the symmetric distribution, two symmetric distribution's spacing groove is seted up in spacing ring board (8), spacing ball (7) are through spacing groove and spacing ring board (8) sliding connection.

5. A limit structure of a ball valve according to claim 2, wherein: the first fixing sleeve (11) and the second fixing sleeve (12) are distributed in a bilateral symmetry mode, and internal threads are formed in the inner walls of the first fixing sleeve (11) and the second fixing sleeve (12).

6. A ball valve position limiting structure according to claim 2, wherein: two threaded holes which are symmetrically distributed are formed in the side face of the rotating sleeve (10), and two threaded grooves which are symmetrically distributed are formed in the side face of the fixing column (9).

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