Special tool for efficiently installing ball valve bolt

By designing a special tool for pre-tightening of ball valve screws, using special-shaped cylinders and clamping through holes, combined with the driving effect of torque wrench, the problems of cumbersome and time-consuming and labor-consuming in the existing technology are solved, and efficient screw pre-tightening operation is achieved.

CN222661611UActive Publication Date: 2025-03-25CHINA GEZHOUBA GRP MECHANICAL & ELECTRICAL CONSTR
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421453580.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-24
Publication Date
2025-03-25
Estimated Expiration
2034-06-24

AI Technical Summary

Technical Problem

During the pre-tightening process of ball valve screw preloading of pumped storage power station water turbine, the existing technology is cumbersome, time-consuming and labor-consuming, and affects work efficiency.

Method used

Design a special tool for efficiently installing ball valve bolts, including special-shaped cylinders and clamping holes, which drive the special-shaped cylinders to rotate through torque wrench, simplifying operation and improving efficiency.

Benefits of technology

The efficient operation of ball valve screw preloading is achieved, the steps are simplified, the labor and time are reduced, and the work efficiency is significantly improved.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222661611U_ABST
    Figure CN222661611U_ABST
Patent Text Reader

Abstract

The utility model discloses a special tool for efficiently installing a ball valve bolt, which relates to the technical field of bolt disassembly and assembly tools, and comprises a special-shaped cylinder and a clamping through hole axially arranged in the special-shaped cylinder, the diameter of the clamping through hole is matched with that of a ball valve screw to be installed, and the clamping through hole is arranged in the special-shaped cylinder. The outer wall of the special-shaped column body is sleeved with a wrench connecting piece connected with a torque wrench, and the outer contour of the special-shaped column body is matched with the inner contour of the wrench connecting piece. The special-shaped cylinder is reasonable in design, when the special-shaped cylinder is used, the clamping through hole in the special-shaped cylinder can be arranged on the ball valve screw in a sleeved mode, then the special-shaped cylinder is driven by a torque wrench to rotate, the special-shaped cylinder is made to screw the ball valve screw, operation is easy and convenient, time and labor are saved, and working efficiency is high; therefore, the pre-tightening efficiency and manpower of the ball valve screw rod are effectively improved, and the defects in the prior art are overcome.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of bolt disassembling and assembling tools, and more specifically to the technical field of a special tool for efficiently installing ball valve bolts. Background Art

[0002] Bolts are a type of fastener consisting of a head and a screw (a cylinder with external threads). They need to be matched with nuts to fasten two parts with through holes. This type of connection is called a bolt connection. If the nut is unscrewed from the bolt, the two parts can be separated, so the bolt connection is a detachable connection.

[0003] When pre-tightening the ball valve screw of the turbine of a pumped storage power station, an adjustable wrench is generally used for pre-tightening. The operation is cumbersome and not only takes a lot of time, but is also time-consuming and labor-intensive, greatly affecting work efficiency. Therefore, it is urgent to design a special tool to efficiently install the ball valve bolts. Utility Model Content

[0004] The purpose of the utility model is to solve the above technical problems and provide a special tool for efficiently installing ball valve bolts.

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

[0006] The utility model provides a special tool for efficiently installing ball valve bolts, comprising a special-shaped column and a clamping through hole axially arranged inside the special-shaped column, the diameter of the clamping through hole is adapted to the diameter of the ball valve screw with which it is installed, a wrench connector connected to a torque wrench is sleeved on the outer wall of the special-shaped column, and the outer contour of the special-shaped column is adapted to the inner contour of the wrench connector.

[0007] Specifically, by setting up a special-shaped column, the snap-on through hole on the special-shaped column can be put on the ball valve screw during use, and then the torque wrench is used to drive the special-shaped column to rotate, so that the special-shaped column twists the ball valve screw. This is not only simple and convenient to operate, but also saves time and effort and has high work efficiency, thereby effectively solving the efficiency and manpower of pre-tightening the ball valve screw to solve the above-mentioned deficiencies in the technology.

[0008] In one embodiment, the special-shaped cylinder includes a square cylinder in the middle and two semi-arc cylinders symmetrically arranged on both sides of the square cylinder along the length direction. The two semi-arc cylinders have the same structure, and the diameter of each semi-arc cylinder is the same as the side length of the square cylinder. The card-connecting through hole is located in the middle of the square cylinder.

[0009] In one embodiment, the square column and the two semi-arc columns are integrally formed.

[0010] In one embodiment, the length of the square column is the same as the length of the two semi-arc columns, and the length of the square column can be aligned with the upper and lower ends of the two semi-arc columns.

[0011] In one embodiment, the wrench connector is sleeved at 1 / 5-1 / 4 of the top side wall or the bottom side wall of the special-shaped column, and a connecting screw hole is provided on the outer wall of the wrench connector.

[0012] In one embodiment, the wrench connector is a heterogeneous annular structure, which includes a first semi-arc member, two intermediate connecting blocks and a second semi-arc member, the first semi-arc member and the second semi-arc member are opened opposite to each other and there is a gap between the two, one intermediate connecting block connects the first semi-arc member and the second semi-arc member at one side of the opening gap, and the other intermediate connecting block connects the first semi-arc member and the second semi-arc member at the other side of the opening gap.

[0013] In one embodiment, the gap between the first semi-arc-shaped member and the second semi-arc-shaped member at the opening is the same as the side length of the square cylinder;

[0014] The inner diameters of the first semi-arc-shaped member and the second semi-arc-shaped member are both the same as the outer diameters of the corresponding semi-arc-shaped cylinders.

[0015] In one embodiment, the connecting screw hole is arranged in the middle of one of the middle connecting blocks, and the connecting screw hole is connected to the torque wrench.

[0016] In one embodiment, the widths of the first semi-arc-shaped member, the two middle connecting blocks and the second semi-arc-shaped member are the same, which are all 5 to 8 cm.

[0017] In one embodiment, the thicknesses of the first semi-arc-shaped member, the two middle connecting blocks and the second semi-arc-shaped member are also the same, which is 2 to 5 cm.

[0018] The beneficial effects of the utility model are as follows:

[0019] By setting up a special-shaped column, the snap-on through hole on the special-shaped column can be put on the ball valve screw during use, and then the torque wrench is used to drive the special-shaped column to rotate, so that the special-shaped column twists the ball valve screw. This is not only simple and convenient to operate, but also saves time and effort and has high work efficiency, thereby effectively solving the efficiency and manpower of pre-tightening the ball valve screw, thereby solving the above-mentioned deficiencies in the technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0021] Figure 1 This is one of the overall structural diagrams of the utility model.

[0022] Figure 2 This is the second schematic diagram of the overall structure of the utility model.

[0023] Figure numerals: 1-special-shaped column, 2-card-connecting through hole, 3-fixing sleeve, 4-connecting screw hole. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0025] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] 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 defined and explained in the subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0027] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0028] Example 1

[0029] like Figure 1 to Figure 2 As shown, this embodiment provides a special tool for efficiently installing ball valve bolts, including a special-shaped column 1 and a card-connecting through hole 2 axially arranged inside the special-shaped column 1, the diameter of the card-connecting through hole 2 is adapted to the diameter of the ball valve screw to be installed, and a wrench connector connected to a torque wrench is sleeved on the outer wall of the special-shaped column 1, and the outer contour of the special-shaped column 1 is adapted to the inner contour of the wrench connector.

[0030] Specifically, by setting the special-shaped column 1, the snap-on through hole 2 on the special-shaped column 1 can be put on the ball valve screw during use, and then the special-shaped column 1 can be driven to rotate by a torque wrench, so that the special-shaped column 1 can twist the ball valve screw. This is not only simple and convenient to operate, but also time-saving and labor-saving, and has high work efficiency, thereby effectively solving the efficiency and manpower of pre-tightening the ball valve screw, so as to solve the above-mentioned deficiencies in the technology.

[0031] Example 2

[0032] like Figure 1 to Figure 2 As shown, this embodiment provides a special tool for efficiently installing ball valve bolts, including a special-shaped column 1 and a card-connecting through hole 2 axially arranged inside the special-shaped column 1, the diameter of the card-connecting through hole 2 is adapted to the diameter of the ball valve screw to be installed, and a wrench connector connected to a torque wrench is sleeved on the outer wall of the special-shaped column 1, and the outer contour of the special-shaped column 1 is adapted to the inner contour of the wrench connector.

[0033] The special-shaped column 1 includes a square column in the middle and two semi-arc columns symmetrically arranged on both sides of the square column along the length direction. The two semi-arc columns have the same structure, and the diameter of each semi-arc column is the same as the side length of the square column. The card-connecting hole 2 is located in the middle of the square column.

[0034] The square column and the two semi-arc columns are formed in one piece.

[0035] Example 3

[0036] like Figure 1 to Figure 2 As shown, this embodiment provides a special tool for efficiently installing ball valve bolts, including a special-shaped column 1 and a card-connecting through hole 2 axially arranged inside the special-shaped column 1, the diameter of the card-connecting through hole 2 is adapted to the diameter of the ball valve screw to be installed, and a wrench connector connected to a torque wrench is sleeved on the outer wall of the special-shaped column 1, and the outer contour of the special-shaped column 1 is adapted to the inner contour of the wrench connector.

[0037] The special-shaped column 1 includes a square column in the middle and two semi-arc columns symmetrically arranged on both sides of the square column along the length direction. The two semi-arc columns have the same structure, and the diameter of each semi-arc column is the same as the side length of the square column. The card-connecting hole 2 is located in the middle of the square column.

[0038] The square column and the two semi-arc columns are formed in one piece.

[0039] The length of the square column is the same as that of the two semi-arc columns, and the length of the square column can be aligned with the upper and lower ends of the two semi-arc columns.

[0040] The spanner connecting piece is sleeved on 1 / 5-1 / 4 of the top side wall or the bottom side wall of the special-shaped column 1, and a connecting screw hole 4 is arranged on the outer wall of the spanner connecting piece.

[0041] Example 4

[0042] This embodiment is further optimized on the basis of embodiment 3, specifically:

[0043] The wrench connecting piece is a heterogeneous annular structure, which includes a first semi-arc piece, two intermediate connecting blocks and a second semi-arc piece. The openings of the first semi-arc piece and the second semi-arc piece are opposite to each other and there is a gap between them. One intermediate connecting block connects the first semi-arc piece and the second semi-arc piece at one side of the opening gap, and the other intermediate connecting block connects the first semi-arc piece and the second semi-arc piece at the other side of the opening gap.

[0044] Example 5

[0045] This embodiment is further optimized on the basis of embodiment 4, specifically:

[0046] The gap between the first semi-arc-shaped member and the second semi-arc-shaped member at the opening is the same as the side length of the square cylinder;

[0047] The inner diameters of the first semi-arc-shaped member and the second semi-arc-shaped member are both the same as the outer diameters of the corresponding semi-arc-shaped cylinders.

[0048] The connecting screw hole 4 is arranged in the middle of one of the middle connecting blocks, and the connecting screw hole 4 is connected to the torque wrench.

[0049] In one embodiment, the first semi-arc-shaped member, the two middle connecting blocks and the second semi-arc-shaped member have the same width, which is 5 to 8 cm.

[0050] The thickness of the first semi-arc-shaped piece, the two middle connecting blocks and the second semi-arc-shaped piece are also the same, which is 2 to 5 cm.

Claims

1. A special tool for efficiently installing ball valve bolts, characterized in that: The invention comprises a special-shaped column (1), and a clamping through hole (2) axially arranged inside the special-shaped column (1), wherein the diameter of the clamping through hole (2) is adapted to the diameter of a ball valve screw to be installed, and a wrench connecting piece connected to a torque wrench is sleeved on the outer wall of the special-shaped column (1), and the outer contour of the special-shaped column (1) is adapted to the inner contour of the wrench connecting piece.

2. A special tool for efficiently installing ball valve bolts according to claim 1, characterized in that: The special-shaped column (1) comprises a square column in the middle, and two semi-arc columns symmetrically arranged on both sides of the square column along the length direction, the two semi-arc columns have the same structure, the diameter of each semi-arc column is the same as the side length of the square column, and the snap-on through hole (2) is located in the middle of the square column.

3. A special tool for efficiently installing ball valve bolts according to claim 2, characterized in that: The square column and the two semi-arc columns are integrally formed.

4. A special tool for efficiently installing ball valve bolts according to claim 2, characterized in that: The length of the square column is the same as that of the two semi-arc columns, and the length of the square column can be aligned with the upper and lower ends of the two semi-arc columns.

5. A special tool for efficiently installing ball valve bolts according to claim 2, characterized in that: The spanner connecting piece is sleeved on 1 / 5-1 / 4 of the top side wall or the bottom side wall of the special-shaped column (1), and a connecting screw hole (4) is provided on the outer wall of the spanner connecting piece.

6. A special tool for efficiently installing ball valve bolts according to claim 5, characterized in that: The wrench connecting piece is a heterogeneous annular structure, which includes a first semi-arc piece, two intermediate connecting blocks and a second semi-arc piece. The first semi-arc piece and the second semi-arc piece are opened opposite to each other and there is a gap between them. One of the intermediate connecting blocks connects the first semi-arc piece and the second semi-arc piece at one side of the opening gap, and the other intermediate connecting block connects the first semi-arc piece and the second semi-arc piece at the other side of the opening gap.

7. A special tool for efficiently installing ball valve bolts according to claim 6, characterized in that: The gap between the first semi-arc-shaped member and the second semi-arc-shaped member at the opening is the same as the side length of the square cylinder; The inner diameters of the first semi-arc-shaped member and the second semi-arc-shaped member are both the same as the outer diameters of the corresponding semi-arc-shaped cylinders.

8. A special tool for efficiently installing ball valve bolts according to claim 6, characterized in that: The connecting screw hole (4) is arranged in the middle of one of the middle connecting blocks, and the connecting screw hole (4) is connected to the torque wrench.

9. A special tool for efficiently installing ball valve bolts according to claim 6, characterized in that: The widths of the first semi-arc-shaped member, the two middle connecting blocks and the second semi-arc-shaped member are the same, which are all 5 to 8 cm.

10. A special tool for efficiently installing ball valve bolts according to claim 6, characterized in that: The thicknesses of the first semi-arc-shaped member, the two middle connecting blocks and the second semi-arc-shaped member are also the same, which is 2 to 5 cm.