Valve rod for fluid pump

Abstract

The valve rod for the fluid pump comprises a valve rod body, the upper end of the valve rod body is fixedly connected with a connecting plate, the upper end of the connecting plate is fixedly connected with a rectangular block, and the upper end of the rectangular block is fixedly connected with a penetrating column; the adjusting mechanism comprises a rectangular frame, and the right side of the rectangular frame is fixedly connected with a handle; the limiting mechanism is used for preventing the handle from falling off, the length and the width of the inner side wall of the rectangular frame are the same, the length and the width of the rectangular block are both the same, an indication groove is formed in the right side of the valve rod body, and the limiting mechanism comprises an L-shaped plate fixedly connected to the left side of a connecting plate; the left side of the vertical part of the L-shaped plate is fixedly connected with a spring, and the left side of the spring is fixedly connected with a pulling plate. Due to the use of the valve rod, the space occupied by actual use is reduced, the valve rod is suitable for some environments with narrow spaces, and in addition, the handle part is also convenient to disassemble and replace.

Description

TECHNICAL FIELD

[0001] The utility model relates to a valve rod for fluid pump, and more particularly to a valve rod for fluid pump. BACKGROUND

[0002] In the mechanical field, the valve rod is an important component of the valve, which is used for transmission, and is connected to the actuator or handle at the upper end and connected to the valve core at the lower end to move or rotate the valve core to realize the opening and closing or regulating of the valve.

[0003] In some butterfly valves, the handle type valve rod is generally used, but the handle part of the existing handle type valve rod is perpendicular to the fluid pipeline in one of the sealing state and the open state, and in this state, the long handle affects the walking of people around in some narrow spaces, so how to solve this problem needs to be considered. UTILITY MODEL CONTENT

[0004] The utility model discloses a valve rod for fluid pump, which reduces the space occupied in actual use and is suitable for some narrow environments, and the handle part is convenient to disassemble and replace.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A valve rod for fluid pump, comprising a valve rod main body, a connecting plate fixedly connected to the upper end of the valve rod main body, a rectangular block fixedly connected to the upper end of the connecting plate, and a through column fixedly connected to the upper end of the rectangular block; an adjusting mechanism comprising a rectangular frame, a handle fixedly connected to the right side of the rectangular block; a limiting mechanism for preventing the handle from falling off.

[0007] Preferably, the rectangular frame has the same length and width of the inner side wall, and the length and width of the rectangular block are the same.

[0008] Preferably, the right side of the valve rod main body is provided with an indicating groove.

[0009] Preferably, the limiting mechanism comprises an L-shaped plate fixedly connected to the left side of the connecting plate, a spring fixedly connected to the left side of the vertical part of the L-shaped plate, and a pulling plate fixedly connected to the left side of the spring.

[0010] Preferably, the right side of the pulling plate is fixedly connected with a guide rod, the right end of the guide rod penetrates through the L-shaped plate and the through column, and is slidingly connected.

[0011] Preferably, the rectangular block penetrates through the rectangular frame and is slidingly connected.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The handle and the fluid pipeline are not perpendicular, so that the space obstacle caused by the perpendicularity is effectively avoided, the walking of the surrounding personnel is facilitated, the safety risk caused by the collision or the misoperation is reduced, the handle part can be replaced more simply, and the maintenance and the overhaul operation are facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A structure diagram of a valve rod for a fluid pump is provided for the utility model;

[0015] Figure 2 A schematic view after the handle part is separated;

[0016] Figure 3 A Figure 2 enlarged view of A.

[0017] In the figure: 1 valve rod main body, 2 indication groove, 3 connecting plate, 4 through column, 5 L-shaped plate, 6 rectangular frame, 7 handle, 8 rectangular block, 9 pull plate, 10 spring, 11 guide rod. DETAILED DESCRIPTION

[0018] In the description of the present application, it should be noted that the terms used herein are only for describing the specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. In order to facilitate the description, the size of each part shown in the drawings is not drawn according to the actual proportional relationship. The technology, method and equipment known to those skilled in the related art can not be discussed in detail, but in appropriate cases, the technology, method and equipment should be regarded as part of the authorized specification. In all examples shown and discussed herein, any specific value should be interpreted as merely exemplary, and not as a limitation. Therefore, other examples of exemplary embodiments can have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in the subsequent drawings.

[0019] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than that illustrated or described herein, and the objects distinguished by "first", "second", etc. are generally a class, not limited to the number of objects, for example, the first object can be one or more. In addition, "and / or" in the specification and claims indicates at least one of the connected objects, and the character " / ", generally indicates that the front and rear associated objects are in a "or" relationship.

[0020] It should be noted that in the description of the present application, the orientation or position relationship indicated by the orientation terms such as "front, rear, upper, lower, left, right", "transverse, vertical, perpendicular, horizontal" and "top, bottom" is generally based on the orientation or position relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, without the opposite indication, these orientation terms do not indicate and imply that the indicated device or element must have a specific orientation or be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation on the scope of protection of the present application; the orientation terms "inner, outer" refer to the inner and outer of the contour of each component itself.

[0021] Referring to Figures 1-3 A valve stem for fluid pump, including valve stem body 1, the right side of valve stem body 1 is provided with indicating groove 2, by indicating groove 2, the opening and closing state of the actual valve can be conveniently judged by the staff, the upper end of valve stem body 1 is fixedly connected with connecting plate 3, the upper end of connecting plate 3 is fixedly connected with rectangular block 8, the upper end of rectangular block 8 is fixedly connected with through column 4;

[0022] It also includes an adjusting mechanism, the adjusting mechanism includes rectangular frame 6, the right side of rectangular block 8 is fixedly connected with handle 7, the inner side wall length and width of rectangular frame 6 are the same, the length and width of rectangular block 8 are the same, rectangular block 8 penetrates rectangular frame 6 and is slidingly connected, by using the adjusting mechanism, the situation that handle 7 is perpendicular to the fluid pipeline can be avoided, and the walking of people around is facilitated;

[0023] It also includes a limiting mechanism, the limiting mechanism is used for preventing handle 7 from falling off, the limiting mechanism includes L-shaped plate 5 fixedly connected to the left side of connecting plate 3, spring 10 fixedly connected to the left side of the vertical part of L-shaped plate 5, pull plate 9 fixedly connected to the left side of spring 10, guide rod 11 fixedly connected to the right side of pull plate 9, and the right end of guide rod 11 penetrates L-shaped plate 5 and through column 4 and is slidingly connected.

[0024] In use, when the valve rod main body 1 needs to be screwed, the valve is fully opened, and the handle 7 is rotated 90 degrees clockwise in the downward visual angle, at this time, only the handle 7 needs to be held, and the handle 7 is rotated 90 degrees clockwise in the downward visual angle, after rotation, the handle 7 can be lifted upwards, the rectangular frame 6 is separated from the rectangular block 8, then the handle 7 is placed downwards after being rotated to the initial position, so that the rectangular block 8 is inserted into the rectangular frame 6 again, the handle 7 is prevented from being perpendicular to the fluid pipeline, and walking of surrounding people is convenient;

[0025] In addition, if the handle 7 needs to be replaced due to damage, the handle 7 can be taken out after the right end of the guide rod 11 is flush with the right side of the vertical part of the L-shaped plate 5 by pulling the pull plate 9 to the left, then replacement is carried out, and after replacement is completed, the pull plate 9 is loosened, and under the elastic action of the spring 10, the pull plate 9 drives the guide rod 11 to move back;

[0026] Further, the valve rod is more suitable for some valve using places which only need to be fully opened and fully closed.

[0027] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A valve stem for a fluid pump, characterized by, Include: The upper end of the valve stem body (1) is fixedly connected with a connecting plate (3), the upper end of the connecting plate (3) is fixedly connected with a rectangular block (8), and the upper end of the rectangular block (8) is fixedly connected with a through column (4); Adjusting mechanism, the adjusting mechanism includes a rectangular frame (6), the right side of the rectangular block (8) is fixedly connected with a handle (7); Limiting mechanism, the limiting mechanism is used for preventing the handle (7) from falling off.

2. A valve stem for a fluid pump as defined in claim 1, wherein The length and width of the inner side wall of the rectangular frame (6) are the same, and the length and width of the rectangular block (8) are the same.

3. A valve stem for a fluid pump as defined in claim 1, wherein The right side of the valve stem body (1) is provided with an indicating groove (2).

4. A valve stem for a fluid pump as defined in claim 1, wherein The limiting mechanism includes an L-shaped plate (5) fixedly connected on the left side of the connecting plate (3), the vertical part of the L-shaped plate (5) is fixedly connected with a spring (10) on the left side, and the left side of the spring (10) is fixedly connected with a pulling plate (9).

5. A valve stem for a fluid pump as defined in claim 4, wherein The right side of the pulling plate (9) is fixedly connected with a guide rod (11), the right end of the guide rod (11) penetrates the L-shaped plate (5) and the through column (4), and is slidingly connected.

6. A valve stem for a fluid pump as defined in claim 2, wherein The rectangular block (8) penetrates the rectangular frame (6) and is slidingly connected.

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