CN216618747U

CN216618747U - Valve rod adjusting device for extension bar ball valve

Info

Publication number: CN216618747U
Application number: CN202122448107.0U
Authority: CN
Inventors: 黄志慧; 李林; 陈超
Original assignee: Sichuan Feiqiu Group Co ltd
Current assignee: Sichuan Feiqiu Group Co ltd
Priority date: 2021-10-11
Filing date: 2021-10-11
Publication date: 2022-05-27
Anticipated expiration: 2031-10-11

Abstract

The utility model provides a valve rod adjusting device for an extension rod ball valve, and belongs to the technical field of ball valves. The valve rod adjusting device for the extension rod ball valve comprises a ball valve body and an adjusting structure. The ball valve body is provided with a valve rod; the adjusting structure comprises a first annular block, a rotating disk and an extension rod, the first annular block is fixedly connected with the valve rod, a sleeve is fixed at the bottom of the rotating disk, the extension rod is slidably connected inside the sleeve, the bottom of the extension rod is fixedly connected with the valve rod, a first vertical block is fixed on one side of the sleeve, a threaded rod is connected to the inner thread of the first vertical block, and the bottom of the threaded rod is rotatably connected with the annular block. The length of the valve rod can be conveniently adjusted in a telescopic mode, the flexibility of the use of the extension rod ball valve is greatly improved, and the extension rod ball valve is more convenient to use.

Description

Valve rod adjusting device for extension bar ball valve

Technical Field

The utility model relates to the technical field of ball valves, in particular to a valve rod adjusting device for an extension rod ball valve.

Background

The ball valve, the opening and closing piece (ball) is driven by the valve rod and rotates around the axis of the ball valve. The hard seal V-shaped ball valve can also be used for regulating and controlling fluid, wherein a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the build-up welding hard alloy have strong shearing force, and the hard seal V-shaped ball valve is particularly suitable for media containing fibers, tiny solid particles and the like. The multi-way ball valve can flexibly control the confluence, the diversion and the switching of the flow direction of the medium on the pipeline, and can close any channel to connect the other two channels.

At present, the extension bar ball valve of current, general extension bar relatively fixed is inconvenient adjusts, and the flexibility is relatively poor when using like this, will inconvenient operation in the space that is narrow and small relatively.

SUMMERY OF THE UTILITY MODEL

In order to make up for the defects, the utility model provides a valve rod adjusting device for an extension rod ball valve, and aims to solve the problem that an extension rod ball valve is inconvenient to adjust due to relative fixation of a common extension rod.

The utility model is realized by the following steps:

the utility model provides a valve rod adjusting device for an extension rod ball valve.

The ball valve body is provided with a valve rod; the adjusting structure comprises a first annular block, a rotating disk and an extension rod, the first annular block is fixedly connected with the valve rod, a sleeve is fixed at the bottom of the rotating disk, the extension rod is slidably connected inside the sleeve, the bottom of the extension rod is fixedly connected with the valve rod, a first vertical block is fixed on one side of the sleeve, a threaded rod is connected to the inner thread of the first vertical block, and the bottom of the threaded rod is rotatably connected with the annular block.

In one embodiment of the utility model, flanges are fixed on the water inlet and the air outlet of the ball valve body.

In an embodiment of the utility model, the cross section of the extension rod is regular hexagon, and a groove matched with the extension rod is formed in the sleeve.

In an embodiment of the present invention, a threaded hole matched with the threaded rod is formed in the first vertical block.

In one embodiment of the utility model, a bearing is connected to the bottom of the threaded rod in an interference manner, the bearing is embedded in the annular block, and a first rotating part is fixed to the lower end of the threaded rod.

In one embodiment of the utility model, a second vertical block is fixed on the other side of the sleeve, a limiting rod is connected inside the second vertical block in a sliding manner, and the bottom of the limiting rod is fixedly connected with the annular block.

In an embodiment of the present invention, a sliding groove matched with the limiting rod is formed inside the second vertical block.

In an embodiment of the utility model, a limiting groove is formed in the sliding groove, a limiting block matched with the limiting groove is fixed on the surface of the limiting rod, and the limiting block is connected in the limiting groove in a sliding manner.

In one embodiment of the utility model, a locking member is fixed to one side of the second vertical block.

In an embodiment of the utility model, the locking member includes a fixing block and a threaded post, the fixing block is fixed on one side of the second vertical block, the threaded post is screwed inside the fixing block, one end of the threaded post penetrates through the sliding groove and is tightly attached to the limiting rod, and a second rotating part is fixed at the other end of the threaded post.

The utility model has the beneficial effects that: according to the valve rod adjusting device for the extension rod ball valve, when the valve rod adjusting device is used, the first vertical block drives the sleeve and the second vertical block to move upwards by rotating the threaded rod according to the using condition of the valve rod, and the sleeve stops rotating after the valve rod moves to a proper length, so that the sleeve can extend upwards for a certain distance on the surface of the extension rod, the whole length of the valve rod is prolonged, the valve rod can be rotated through the rotating disc to open or close the ball valve, the length of the valve rod can be conveniently adjusted in a telescopic mode, the using flexibility of the extension rod ball valve is greatly improved, and the use is more convenient.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of a first perspective structure of a valve stem adjusting device for an extension rod ball valve according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a first perspective of a valve rod adjusting device for an extension rod ball valve according to an embodiment of the present invention;

FIG. 3 is an enlarged view taken at A of FIG. 2 according to the present invention;

FIG. 4 is a schematic cross-sectional view of a valve stem adjusting device sleeve for an extension rod ball valve according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a rotating disc of the valve rod adjusting device for the extension rod ball valve provided by the embodiment of the utility model.

In the figure: 100-a ball valve body; 110-a valve stem; 120-flange plate; 200-an adjustment structure; 210-a ring block; 220-rotating the disc; 230-a sleeve; 240-extension bar; 250-a first riser block; 251-a threaded rod; 2511-a first rotating part; 260-a second riser block; 261-a limiting rod; 2611-a limiting block; 262-a chute; 2621-a limiting groove; 270-a locking member; 271-fixed block; 272-threaded post; 273-second rotating part.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of 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.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1-5, the present invention provides a technical solution: a valve rod adjusting device for an extension rod ball valve comprises a ball valve body 100 and an adjusting structure 200.

The adjusting structure 200 is installed and fixed on the ball valve body 100, and the adjusting structure 200 is used for extending and adjusting the valve rod 110, so that the installation can be facilitated, and meanwhile, the use can be more flexible and convenient due to the fact that the valve rod is conveniently extended after the installation.

Referring to fig. 1 and 2, a valve stem 110 is mounted on the ball valve body 100; the water inlet and the air outlet of the ball valve body 100 are both fixed with flanges 120, and the arrangement of the flanges 120 can facilitate the connection with an external pipeline.

Referring to fig. 1-5, the adjusting structure 200 includes a first annular block 210, a rotating disc 220 and an extension bar 240, the first annular block 210 is fixedly connected to the valve stem 110, a sleeve 230 is fixed to the bottom of the rotating disc 220, the extension bar 240 is slidably connected to the inside of the sleeve 230, the bottom of the extension bar 240 is fixedly connected to the valve stem 110, a first vertical block 250 is fixed to one side of the sleeve 230, a threaded rod 251 is connected to the inside of the first vertical block 250 through a thread, and the bottom of the threaded rod 251 is rotatably connected to the annular block 210.

The cross section of the extension bar 240 is regular hexagon, and the inside of the sleeve 230 is provided with a groove matched with the extension bar 240, wherein the extension bar 240 with regular hexagon can conveniently slide up and down, and meanwhile, the friction force between the extension bar 240 and the inner surface of the sleeve 230 is increased during rotation; a threaded hole matched with the threaded rod 251 is formed in the first vertical block 250, and the threaded hole can facilitate telescopic adjustment of the threaded rod 251; the bottom interference of threaded rod 251 is connected with the bearing, and the inside at annular piece 210 is inlayed to the bearing, and the lower extreme of threaded rod 251 is fixed with first rotating part 2511, and here setting through the bearing can conveniently be fixed threaded rod 251, and the threaded rod 251 of being convenient for simultaneously rotates, and first rotating part 2511 here is the cylindricality piece, can conveniently drive threaded rod 251 and rotate.

A second vertical block 260 is fixed on the other side of the sleeve 230, a limiting rod 261 is connected inside the second vertical block 260 in a sliding manner, and the bottom of the limiting rod 261 is fixedly connected with the annular block 210; a sliding groove 262 matched with the limiting rod 261 is formed in the second vertical block 260; spacing groove 2621 has been seted up to the inside of spout 262, and the fixed surface of gag lever post 261 has with spacing groove 2621 assorted stopper 2611, stopper 2611 sliding connection in spacing groove 2621's inside, and here through stopper 2611 and spacing groove 2621's setting, can conveniently carry on spacingly to extension bar 240, makes things convenient for extension bar 240 to break away from sleeve 230.

A locking member 270 is fixed on one side of the second vertical block 260; retaining member 270 includes fixed block 271 and screw thread post 272, the fixed block 271 is fixed in the one side of second perpendicular piece 260, screw thread post 272 threaded connection is in the inside of fixed block 271, the one end of screw thread post 272 runs through spout 262 and hugs closely with the gag lever post 261, the other end of screw thread post 272 is fixed with second rotation portion 273, make its tip gag lever post 261 extrusion hug closely through rotatory screw thread post 272, be favorable to improving sleeve 230 stability and intensity in rotatory process, here second rotation portion 273 is the circular plate.

Specifically, this extension bar is valve rod adjusting device for ball valve's theory of operation: during the use, install suitable position at the ball valve through ring flange 120, then according to specific valve stem 110's in service behavior, drive threaded rod 251 through first rotating part 2511 and rotate, at this moment first riser 250 will drive sleeve 230 and second riser 260 rebound, stop rotating after removing suitable length, at this moment, it rotates to drive screw post 272 through second rotating part 273, the tip that makes screw post 272 and gag lever post 261's surface emergence extrusion, thereby fix second riser 260, thereby prolong valve stem 110's length, at this moment, can rotate valve stem 110 through rotary disk 220 and realize opening or closing of ball valve, when using like this, can conveniently carry out flexible regulation to valve stem 110's length, great improvement the flexibility that the extension ball valve used, and it is more convenient to use.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. 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. A valve rod adjusting device for an extension rod ball valve is characterized by comprising

The ball valve comprises a ball valve body (100), wherein a valve rod (110) is installed on the ball valve body (100);

the adjusting structure (200) comprises a first annular block (210), a rotating disc (220) and an extension rod (240), wherein the first annular block (210) is fixedly connected with the valve rod (110), the bottom of the rotating disc (220) is fixedly provided with a sleeve (230), the extension rod (240) is slidably connected inside the sleeve (230), the bottom of the extension rod (240) is fixedly connected with the valve rod (110), one side of the sleeve (230) is fixedly provided with a first vertical block (250), the inner thread of the first vertical block (250) is connected with a threaded rod (251), and the bottom of the threaded rod (251) is rotatably connected with the annular block (210).

2. The valve stem adjusting device for the extension bar ball valve according to claim 1, wherein the flange (120) is fixed to the water inlet and the air outlet of the ball valve body (100).

3. The valve rod adjusting device for the extension rod ball valve according to claim 1, wherein the cross section of the extension rod (240) is a regular hexagon, and the sleeve (230) is provided with a groove matching with the extension rod (240).

4. The valve rod adjusting device for the extension rod ball valve according to claim 1, wherein the first vertical block (250) is internally provided with a threaded hole matched with the threaded rod (251).

5. The valve rod adjusting device for the extension rod ball valve according to claim 1, wherein a bearing is connected to a bottom of the threaded rod (251) in an interference manner, the bearing is embedded in the annular block (210), and a first rotating part (2511) is fixed to a lower end of the threaded rod (251).

6. The valve rod adjusting device for the extension rod ball valve according to claim 1, wherein a second vertical block (260) is fixed on the other side of the sleeve (230), a limiting rod (261) is slidably connected inside the second vertical block (260), and the bottom of the limiting rod (261) is fixedly connected with the annular block (210).

7. The valve rod adjusting device for the extension rod ball valve according to claim 6, wherein the second vertical block (260) is internally provided with a sliding groove (262) matched with the limiting rod (261).

8. The valve rod adjusting device for the extension rod ball valve according to claim 7, wherein a limiting groove (2621) is formed inside the sliding groove (262), a limiting block (2611) matched with the limiting groove (2621) is fixed on the surface of the limiting rod (261), and the limiting block (2611) is slidably connected inside the limiting groove (2621).

9. The valve stem adjustment device for an extension rod ball valve according to claim 7, wherein a locking member (270) is fixed to one side of the second vertical block (260).

10. The valve stem adjusting device for the extension rod ball valve according to claim 9, wherein the locking member (270) comprises a fixing block (271) and a threaded column (272), the fixing block (271) is fixed on one side of the second vertical block (260), the threaded column (272) is screwed inside the fixing block (271), one end of the threaded column (272) penetrates through the sliding groove (262) and is tightly attached to the limiting rod (261), and the other end of the threaded column (272) is fixed with a second rotating part (273).