A special tool for mounting and dismounting

Abstract

The application discloses a special tool for mounting, dismounting and lifting a threaded fastener, comprising a tool upper cover, a circular truncated cone tool body and a circular boss, a plurality of angle sliding pin grooves are evenly distributed around the boss on the bottom end surface of the tool upper cover, a sliding block is movably arranged in the angle sliding pin groove, a sliding pin of the sliding block is partially exposed on the bottom end surface of the tool upper cover in the axial direction, a sliding block hook of the sliding block falls into a cavity in the radial direction, and a spring ball is arranged between a cover plate in the cover plate position and the tool body to reset the sliding block. The special tool can quickly mount and dismount the threaded fastener through the matched tool body.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of hardware tools, and particularly relates to a special tool suitable for installation, disassembly and lifting of a threaded connection fastener with a special-shaped lifting bit. BACKGROUND

[0002] At present, in the process of installation and disassembly of the threaded connection fastener with the special-shaped lifting bit, a tool with the same or similar shape as the special-shaped lifting bit is usually used.

[0003] The conventional tool is not firmly attached to the special-shaped lifting bit, is inconvenient to use, and can damage the lifting bit. The fastener disassembly has the risk of falling off, causing production accidents and economic losses. SUMMARY

[0004] The present application aims to provide a special tool for installation, disassembly and lifting, which can safely, conveniently and quickly realize the installation, disassembly and lifting of the threaded connection fastener with the special-shaped lifting bit by means of the attached tool body and the switchable slider, and effectively improve the work efficiency by avoiding the risk of falling off of the fastener after disassembly.

[0005] The technical solution adopted by the present application to solve the technical problem is as follows: a special tool for installation, disassembly and lifting, comprising a cylindrical tool upper cover with a top cover plate position and a bottom cavity, a circular truncated cone tool body connected in the tool upper cover by a fastening screw, and a circular boss arranged at the center of the tool body and falling into the cavity at the bottom end; the bottom end surface of the tool upper cover is provided with a plurality of angular sliding pin grooves uniformly distributed around the boss, the angular sliding pin groove is movably provided with a slider connected by a cylindrical sliding pin and a slider hook, the sliding pin partially exposes the bottom end surface of the tool upper cover along the axial direction, and the slider hook falls into the cavity along the radial direction; the cover plate position is provided with a cover plate, and the cover plate and the tool body are provided with a spring ball for pushing the slider to reset.

[0006] The special tool for installation, disassembly and lifting is composed of a spring base, a spring and a ball.

[0007] The tool body surface of the special tool for installation, disassembly and lifting is provided with a wrench position at the center and a plurality of threaded holes uniformly distributed around the wrench position, and the cover plate is respectively provided with a wrench position positioning hole corresponding to the wrench position and a plurality of connection positioning holes corresponding to the threaded holes uniformly distributed around the wrench position positioning hole.

[0008] The cover plate is provided with sliding block switch positioning holes for accommodating the rolling balls, the tool body is provided with spring rolling ball holes between the threaded holes and the angle sliding pin grooves for accommodating the rolling balls.

[0009] The installation and dismounting special tool is connected by the fastening screw through the connecting positioning holes and the threaded holes.

[0010] The tool upper cover is provided with two sliding block grooves on the bottom side wall for installing the sliding blocks.

[0011] The tool upper cover side wall is provided with anti-skid convex patterns.

[0012] The tool body is fitted into the special-shaped jack post of the connecting fastener, the tool upper cover is rotated clockwise, the sliding pin is slid on the angle sliding pin groove of the tool body, the sliding block hook of the tool upper cover is extended, when the spring rolling ball is clamped into the sliding block switch positioning hole, the sliding block hook is completely extended, the connecting fastener is clamped, the fastener can be installed or dismounted, and the fastener is placed in a safe position.

[0013] Compared with the traditional dismounting tool, the present application is more targeted, can safely, conveniently and quickly realize the installation and dismounting of the special-shaped jack post threaded connecting fastener, avoids the hidden danger of the dismounted fastener falling off, and effectively improves the work efficiency.

[0014] The present application can protect the fastener jack post from being damaged, improves the work efficiency, and is safe, convenient and fast to use. In summary, compared with the traditional tool, the present application significantly reduces the damage of the fastener caused by the use of the tool, is safe, convenient and fast to use, improves the work efficiency, has better adaptability, and has important economic and social benefits. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the overall sectional view of the present application;

[0016] Figure 2 is the front view of the tool body of the present application;

[0017] Figure 3 is the top view of the tool body of the present application;

[0018] Figure 4 is Figure 2 a schematic view of the A direction in the middle;

[0019] Figure 5 is the front view of the tool upper cover of the present application;

[0020] Figure 6 is the sectional view of the tool upper cover of the present application;

[0021] Figure 7 is the front view of the cover plate of the present application;

[0022] Figure 8 is the side view of the cover plate of the present application;

[0023] Figure 9 is the front view of the slider of the present application;

[0024] Figure 10 is the side view of the slider of the present application;

[0025] Figure 11 is the structural schematic view of the spring ball of the present application.

[0026] The reference signs are as follows: 1 - tool body, 2 - tool upper cover, 3 - fastening screw, 4 - cover plate, 5 - slider, 6 - spring ball, 61 - spring base, 62 - spring, 63 - ball, 7 - boss, 8 - angle sliding pin slot, 9 - telescopic window, 10 - wrench position, 11 - threaded hole, 12 - spring ball hole, 13 - slider switch positioning hole, 14 - cover plate position, 15 - slider slot, 16 - connecting positioning hole, 17 - wrench position positioning hole, 18 - sliding pin, 19 - slider hook. DETAILED DESCRIPTION

[0027] The present application will be further described below in combination with the drawings and specific embodiments.

[0028] As Figure 1 shown, the disclosed installation and dismounting lifting special tool mainly consists of tool body 1, tool upper cover 2, cover plate 4, fastening screw 3, slider 5, spring ball 6 and several other parts. The tool body 1 is clamped into the fastening member, and the telescopic slider 5 on the tool upper cover 2 is rotated to realize the installation, dismounting and lifting of the threaded connection fastening member. Compared with the traditional dismounting tool, the present application is more targeted, can safely, conveniently and quickly realize the installation and dismounting of the special-shaped screwdriver position threaded connection fastening member, avoids the hidden danger of falling off after dismounting the fastening member, and effectively improves the work efficiency.

[0029] As Figure 2 , Figure 3 and Figure 4As shown, the surface of the round-taill-shaped tool body 1 connected in the tool upper cover 2 by the fastening screw 3 is provided with a center wrench position 10 and a plurality of threaded holes 11 evenly distributed around the wrench position 10.

[0030] As shown in Figure 5 and Figure 6 , the bottom end surface of the cylindrical tool upper cover 2 with a top cover plate position 14 and a bottom cavity is provided with a plurality of angular sliding pin grooves 8 evenly distributed around the special-shaped boss 7, and the sliding block 5 connected by the cylindrical sliding pin 18 and the sliding block hook 19 is movably arranged in the angular sliding pin groove 8. The structure of the sliding block 5 is shown in Figure 9 and Figure 10 , the sliding pin 18 is partially exposed on the bottom end surface of the tool upper cover 2 along the axial direction, and the sliding block hook 19 falls into the cavity along the radial direction. Among them, the bottom side wall of the tool upper cover 2 is provided with two sliding block grooves 15 on the diameter for installing the sliding block 5.

[0031] As shown in Figure 7 and Figure 8 , the cover plate 4 arranged in the cover plate position 14 is respectively provided with a wrench position positioning hole 17 corresponding to the wrench position 10 and a plurality of connection positioning holes 16 corresponding to the threaded holes 11 evenly distributed around the wrench position positioning hole 17. The spring ball 6 for resetting the sliding block 5 is arranged between the cover plate 4 and the tool body 1. The structure of the spring ball 6 is shown in Figure 11 , which is composed of a spring base 61, a spring 62 and a ball 63.

[0032] The fastening screw 3 connects the tool body 1 and the tool upper cover 2 together through the connection positioning hole 16 and the threaded hole 11. The cover plate 4 is provided with a sliding block switch positioning hole 13 for accommodating the ball 63, and the tool body 1 is provided with a spring ball hole 12 between the threaded hole 11 and the angular sliding pin groove 8 for accommodating the ball 63. The sliding block switch positioning hole 13 interacts with the ball 63 to control the opening and closing of the sliding block 5, the sliding pin 18 slides on the angular sliding pin groove 8 to drive the sliding block hook 19 to realize the extension and retraction of the telescopic window 9 of the tool upper cover 2.

[0033] The circular boss 7 is arranged in the center of the tool body 1 and the bottom end falls into the cavity, the boss 7 is matched with the special Phillips head of the connecting fastener.When the tool body 1 is matched with the boss 7 and is clamped into the special Phillips head of the connecting fastener, the tool upper cover 2 is rotated clockwise, the sliding pin 18 slides on the angle sliding slot 8 of the tool body 1, the sliding block hook 19 is extended out of the telescopic window 9 on the tool upper cover 2, when the ball 63 is clamped into the sliding block switch positioning hole 13, the sliding block hook 19 is completely extended out, clamping the connecting fastener, the wrench position 10 can be rotated at this time to install or dismount the connecting fastener, and the connecting fastener is placed in the safe position, after the fastener is installed or dismounted, the tool upper cover 2 is rotated counterclockwise, the sliding pin 18 slides on the angle sliding slot 8 of the tool body 1, the sliding block hook 19 is retracted into the telescopic window 9 on the tool upper cover 2, when the ball 63 is clamped into the sliding block switch positioning hole 13, the sliding block hook 19 is completely retracted, and the special tool can be taken off.

[0034] The application significantly reduces the damage to the fastener caused by using the tool, is safe, convenient and fast to use, improves the work efficiency, has better adaptability, and has important economic and social benefits.

[0035] The above examples only exemplarily illustrate the principles and effects of the application, and for those skilled in the art, without departing from the concept of the application, a number of modifications and improvements can be made, which all belong to the protection scope of the application.

Claims

1. A tool for mounting and dismounting lifting hooks, characterized in that: The utility model provides a kind of cylindrical tool upper cover (2) including with top cover plate position (14) and bottom cavity, tool body (1) is connected in tool upper cover (2) by fastening screw (3) and the circular boss (7) being arranged in tool body (1) center and bottom end falls into the cavity;The bottom end surface of the tool upper cover (2) is provided with multiple angle slide pin grooves (8), the slide pin (18) and the slider hook (19) are connected to be slidably provided with slider (5) in the angle slide pin groove (8), the slide pin (18) is partially exposed tool upper cover (2) bottom end surface along axial direction, the slider hook (19) is partially fallen into the cavity along radial direction;The cover plate (4) is arranged in the cover plate position (14), spring ball (6) is arranged between the cover plate (4) and tool body (1), and slider (5) is reset, the spring ball (6) is composed of spring base (61), spring (62) and ball (63), the surface of tool body (1) is provided with wrench position (10) in center, multiple threaded holes (11) are evenly distributed around wrench position (10), the cover plate (4) is respectively provided with wrench position positioning hole (17) corresponding with wrench position (10) and connecting positioning hole (16) corresponding with threaded hole (11), the cover plate (4) is provided with slider switch positioning hole (13) for accommodating ball (63), the tool body (1) is provided with spring ball hole (12) between threaded hole (11) and angle slide pin groove (8), the tool body (1) and tool upper cover (2) are connected together by connecting positioning hole (16) and threaded hole (11) of fastening screw (3), the bottom side wall of tool upper cover (2) is provided with slider groove (15) on diameter, and the sidewall of tool upper cover (2) is provided with anti-skid relief.

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