Bolt and nut dismounting tool

By designing a bolt and nut disassembly and assembly tool with a lifting and transmission mechanism, the safety hazard of existing tools in narrow spaces and high-altitude operations is solved, flexible disassembly and assembly of bolts and nuts of different sizes is achieved, and the applicability and safety of the tool are improved.

CN223339355UActive Publication Date: 2025-09-16SUZHOU JUCHANGYUAN ELECTRONIC TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422147265.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-03
Publication Date
2025-09-16
Estimated Expiration
2034-09-03

AI Technical Summary

Technical Problem

Existing bolt and nut disassembly tools can only be used in spaces within reach of human hands and require sufficient space for disassembly. This poses a safety hazard when working at height and is inconvenient for disassembling and assembling bolts and nuts of different sizes.

Method used

A bolt and nut disassembly and assembly tool is designed, which includes a base plate, a vertical shaft, a lifting mechanism, a transmission mechanism and a clamping device. The rocker and transmission mechanism are used to drive the hexagonal rod close to the bolt and nut. The lifting mechanism is used to prevent the bolt and nut from falling off at high altitude. The clamping device can adapt to hexagonal rods of different sizes and is combined with a ring magnet to adsorb the bolt and nut.

Benefits of technology

It realizes the safe and efficient removal of bolts and nuts in spaces that are out of reach of human hands, prevents them from falling off at high altitudes, and can adapt to the disassembly and assembly of bolts and nuts of different sizes, thereby improving the applicability and safety of the tool.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a bolt and nut dismounting tool which comprises a bottom plate, a vertical shaft is fixedly installed on the upper end face of the bottom plate, the outer surface of the vertical shaft is movably connected with a moving ring through a lifting mechanism, the upper end face of the moving ring is fixedly connected with an annular magnet through an annular groove, and a rocker A is arranged below one side of the outer surface of the vertical shaft. A rotating shaft is arranged on the upper portion of the interior of the vertical shaft, the rocker A and the rotating shaft are in transmission connection through a transmission mechanism, a rotating seat is fixedly installed on the upper end face of the rotating shaft, a clamping device is movably connected to the upper portion of the rotating seat through an electric push rod, the clamping device comprises a lifting seat, and a circular groove is formed in the upper end face of the lifting seat. By means of the device, operation can be conveniently carried out in the space which can not be reached by hands, bolts and nuts can be prevented from falling off from high altitude, the inner hexagonal rod can be conveniently replaced, bolts and nuts of different models can be disassembled and assembled, and applicability is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of bolt and nut disassembly and assembly, in particular to a bolt and nut disassembly and assembly tool. Background Art

[0002] Bolts are mechanical parts, cylindrical threaded fasteners that fit into nuts. These fasteners, consisting of a head and a screw (a cylindrical body with external threads), must be used with a nut to fasten two parts with through-holes. This type of connection is called a bolt connection. Unscrewing the nut from the bolt allows the two parts to be separated, making bolt connections removable. Bolts are indispensable in daily life and industrial manufacturing, and are often called the "rice of industry." Currently used bolt disassembly and assembly tools include speed wrenches, adjustable wrenches, socket wrenches, hexagonal wrenches, fixed wrenches, and torque wrenches.

[0003] However, existing bolt and nut disassembly and assembly tools, such as spanners and hexagonal wrenches, can only be used in working spaces that can be reached by human hands, and there must be enough space for disassembly, otherwise the work will be difficult to complete, and the bolts and nuts may easily fall off at high altitudes, which may cause safety hazards. At the same time, it is inconvenient to disassemble and assemble bolts and nuts of different sizes. Therefore, it does not meet the existing needs. In this regard, we propose a bolt and nut disassembly and assembly tool. Utility Model Content

[0004] The purpose of the utility model is to provide a bolt and nut disassembly tool to solve the problems raised in the above-mentioned background technology, such as existing bolt and nut disassembly tools such as spanners, hexagonal wrenches, etc., which can only be used in the working space that can be reached by human hands, and there must be enough disassembly space, otherwise the work is difficult to complete, and the bolts and nuts are likely to fall off at high altitudes, which may cause safety hazards. At the same time, it is inconvenient to disassemble and assemble bolts and nuts of different sizes.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a bolt and nut disassembly tool, comprising a base plate, the upper end surface of the base plate is fixedly mounted with a vertical shaft, the outer surface of the vertical shaft is movably connected to a movable ring through a lifting mechanism, the upper end surface of the movable ring is fixedly connected to an annular magnet through an annular groove, a rocker A is provided below one side of the outer surface of the vertical shaft, a rotating shaft is provided above the inside of the vertical shaft, the rocker A and the rotating shaft are connected through a transmission mechanism, the upper end surface of the rotating shaft is fixedly mounted with a rotating seat, the upper end of the rotating seat is movably connected to a clamping device through an electric push rod, the clamping device comprises a lifting seat, the upper end surface of the lifting seat is provided with a circular groove, threaded rods are threadedly connected to the two sides of the outer surface of the lifting seat through threaded holes, a splint is provided on the opposite side of the outer surfaces of the two threaded rods, and a hexagonal rod is provided on the opposite side of the two splints.

[0006] Preferably, the transmission mechanism is arranged below the inside of the vertical shaft through a movable cavity, and the transmission mechanism includes a rotating shaft, the outer surface of the rotating shaft is sleeved with a bevel gear A, one end of the outer surface of the rocker A is sleeved with a bevel gear B, and the bevel gear B is engaged with the bevel gear A.

[0007] Preferably, the rocker A is rotatably connected to the outer surface of the vertical shaft via a bearing, the upper end surface of the rotating shaft is fixedly connected to the lower end surface of the rotating shaft, and the lower end surface of the rotating shaft is rotatably connected to the bottom surface of the movable cavity via a bearing.

[0008] Preferably, the lifting mechanism includes a screw rod, which is arranged on one side of the outer surface of the vertical shaft through a vertical groove. The outer surface of the screw rod is sleeved with a threaded plate, and the outer surface of the threaded plate is fixedly connected to the inner ring of the movable ring.

[0009] Preferably, a handle is installed on the lower end surface of the base plate, and a rocker B is provided on one side of the handle. The rocker B is fixedly connected to the lower end surface of the screw rod through a connecting shaft, and the upper end surface of the screw rod is rotatably connected to the inner wall of the vertical groove through a bearing.

[0010] Preferably, a strip groove is provided on the other side of the outer surface of the vertical shaft, a guide rod is provided on the inner side of the strip groove, a slide is sleeved on the outer surface of the guide rod, and the outer surface of the slide is fixedly connected to the inner ring of the movable ring.

[0011] Preferably, a plurality of rubber strips are evenly installed on opposite sides of the outer surfaces of the two splints, the outer surface of the splint is rotatably connected to the outer surface of the threaded rod through a bearing, a battery is provided inside the rotating seat, and the battery is electrically connected to the electric push rod.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. The utility model is provided with a rocker A and a transmission mechanism, which makes it convenient to operate in spaces that are out of reach of human hands. After the vertical shaft drives the hexagonal rod close to the bolt and nut, the hexagonal rod is stuck in the slot of the nut. At this time, the rocker A can be rotated, and the rotation of the rocker A can drive the bevel gear B to rotate. The rotation of the bevel gear B can drive the bevel gear A to rotate, thereby driving the rotating shaft to rotate, and the rotating shaft can drive the rotating shaft to rotate, thereby driving the rotating seat and the clamping device to rotate. The hexagonal rod is rotated to disassemble the bolt and nut. By providing a lifting mechanism, the rocker B can be rotated to drive the connecting shaft to rotate, and the connecting shaft drives the lead screw to rotate, so as to adjust the height of the threaded plate and drive the moving ring to move up and down. If the disassembled bolt and nut accidentally falls, it will be caught by the moving ring, and the annular magnet can adsorb the bolt and nut to prevent it from falling off at high altitude.

[0014] 2. The utility model is provided with a clamping device, which can clamp hexagonal rods of different sizes. After the hexagonal rod is placed on the inner side of the circular groove, the threaded rod is rotated, and the threaded rod moves on the inner side of the threaded hole, driving the clamping plate to move toward the outer surface of the hexagonal rod until the outer surface of the clamping plate contacts the outer surface of the hexagonal rod, and the rotation of the threaded rod is stopped. In addition, the rubber strip is provided to improve the stability of the clamping of the hexagonal rod. The utility model is convenient for replacing the hexagonal rod and can disassemble and assemble bolts and nuts of different models, thereby improving applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a main cross-sectional view of the utility model as a whole;

[0017] Figure 3 It is a partial structural diagram of the transmission mechanism of the utility model;

[0018] Figure 4 This is a top sectional view of the clamping device of the present invention;

[0019] Figure 5 It is a side sectional view of the entire utility model.

[0020] In the figure: 1. Base plate; 2. Vertical axis; 3. Rocker A; 4. Moving ring; 5. Rotating shaft; 6. Clamping device; 601. Clamping plate; 602. Rubber strip; 603. Threaded hole; 604. Threaded rod; 605. Circular groove; 606. Lifting seat; 7. Hexagonal rod; 8. Rotating seat; 9. Electric push rod; 10. Transmission mechanism; 1001. Bevel gear A; 1002. Rotating shaft; 1003. Bevel gear B; 11. Lifting mechanism; 1101. Vertical groove; 1102. Screw rod; 1103. Threaded plate; 1104. Rocker B; 1105. Connecting shaft; 12. Ring magnet. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0022] The electric push rod 9 (model LBP40) mentioned in the present invention can be purchased from the market or obtained by private customization.

[0023] See also Figures 1 to 5The utility model provides an embodiment of a bolt and nut disassembly tool, comprising a base plate 1, a vertical shaft 2 is fixedly installed on the upper end surface of the base plate 1, and the outer surface of the vertical shaft 2 is movably connected to a movable ring 4 through a lifting mechanism 11, and the upper end surface of the movable ring 4 is fixedly connected to an annular magnet 12 through an annular groove. A rocker A3 is provided at the lower side of one side of the outer surface of the vertical shaft 2, and a rotating shaft 5 is provided at the upper inside of the vertical shaft 2. The rocker A3 and the rotating shaft 5 are connected by a transmission mechanism 10. A rotating seat 8 is fixedly installed on the upper end surface of the rotating shaft 5, and a clamping device 6 is movably connected to the upper side of the rotating seat 8 through an electric push rod 9. The clamping device 6 includes a lifting seat 606, and a circular groove 605 is provided on the upper end surface of the lifting seat 606. Threaded rods 604 are threadedly connected to the two sides of the outer surface of the lifting seat 606 through threaded holes 603. A clamping plate 601 is provided on the opposite side of the outer surfaces of the two threaded rods 604, and an inner hexagonal rod 7 is provided on the opposite side of the two clamping plates 601.

[0024] Furthermore, the transmission mechanism 10 is arranged below the inside of the vertical shaft 2 through the movable cavity. The transmission mechanism 10 includes a rotating shaft 1002. The outer surface of the rotating shaft 1002 is sleeved with a bevel gear A1001. One end of the outer surface of the rocker A3 is sleeved with a bevel gear B1003, and the bevel gear B1003 is engaged with the bevel gear A1001. The rotation of the bevel gear B1003 can drive the bevel gear A1001 to rotate.

[0025] The rocker A3 is rotatably connected to the outer surface of the vertical shaft 2 via a bearing, the upper end surface of the rotating shaft 1002 is fixedly connected to the lower end surface of the rotating shaft 5, and the lower end surface of the rotating shaft 1002 is rotatably connected to the bottom surface of the movable cavity via a bearing, thereby improving the stability of the rotation of the rocker A3. The rotation of the rotating shaft 1002 can drive the rotating shaft 5 to rotate.

[0026] The lifting mechanism 11 includes a screw rod 1102, which is arranged on one side of the outer surface of the vertical shaft 2 through a vertical groove 1101. The outer surface of the screw rod 1102 is sleeved with a threaded plate 1103. The outer surface of the threaded plate 1103 is fixedly connected to the inner ring of the movable ring 4. The rotation of the screw rod 1102 can drive the threaded plate 1103 to move up and down, thereby driving the movable ring 4 to move up and down.

[0027] A handle is installed on the lower end surface of the base plate 1, and a rocker B1104 is set on one side of the handle. The rocker B1104 is fixedly connected to the lower end surface of the screw rod 1102 through the connecting shaft 1105. The upper end surface of the screw rod 1102 is rotatably connected to the inner wall of the vertical groove 1101 through a bearing. The screw rod 1102 can be driven to rotate by rotating the rocker B1104.

[0028] A strip groove is provided on the other side of the outer surface of the vertical axis 2, and a guide rod is provided on the inner side of the strip groove. A slide is provided on the outer surface of the guide rod, and the outer surface of the slide is fixedly connected to the inner ring of the moving ring 4 to improve the stability of the moving ring 4 in moving up and down.

[0029] A plurality of rubber strips 602 are evenly installed on the opposite side of the outer surface of the two splints 601. The outer surface of the splint 601 is rotatably connected to the outer surface of the threaded rod 604 through a bearing. A battery is provided inside the rotating seat 8. The battery is electrically connected to the electric push rod 9 to improve the stability of the splint 601 clamping the hexagonal rod 7. The battery can provide power for the electric push rod 9.

[0030] When the bolt and nut disassembly tool is in use, it is possible to clamp the hexagonal rods 7 of different sizes by providing a clamping device 6. After the hexagonal rod 7 is placed on the inner side of the circular groove 605, the threaded rod 604 is rotated, and the threaded rod 604 moves inside the threaded hole 603, driving the clamping plate 601 to move close to the outer surface of the hexagonal rod 7 until the outer surface of the clamping plate 601 contacts the outer surface of the hexagonal rod 7, and the rotation of the threaded rod 604 is stopped. In addition, the stability of the clamping of the hexagonal rod 7 is improved by providing a rubber strip 602. By providing a rocker A3 and a transmission mechanism 10, after the vertical shaft 2 drives the hexagonal rod 7 close to the bolt and nut, the hexagonal rod 7 is stuck in the groove of the nut. At this time, the rocker A3 can be rotated, and the rotation of the rocker A3 can drive the bevel gear B1003 to rotate, and the rotation of the bevel gear B1003 can drive The movable bevel gear A1001 rotates, thereby driving the rotating shaft 1002 to rotate. The rotating shaft 1002 can drive the rotating shaft 5 to rotate, thereby driving the rotating seat 8 and the clamping device 6 to rotate. The hexagonal rod 7 is rotated to disassemble the bolts and nuts. By providing a lifting mechanism 11, the connecting shaft can be driven to rotate by rotating the rocker B1104. The connecting shaft 1105 drives the screw rod 1102 to rotate, and the height of the threaded plate 1103 can be adjusted to drive the movable ring 4 to move up and down. When the disassembled bolts and nuts accidentally fall, they will be caught by the movable ring 4, and the annular magnet 12 can adsorb the bolts and nuts to prevent them from falling off from high altitude. This utility model is convenient for operations in spaces that are out of reach of human hands, can prevent bolts and nuts from falling from high altitude, and is convenient for replacing the hexagonal rod 7. Bolts and nuts of different models can be disassembled and assembled, thereby improving applicability.

[0031] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A bolt and nut disassembly tool, comprising a base plate (1), characterized in that: A vertical shaft (2) is fixedly mounted on the upper end surface of the base plate (1); a movable ring (4) is movably connected to the outer surface of the vertical shaft (2) via a lifting mechanism (11); a ring magnet (12) is fixedly connected to the upper end surface of the movable ring (4) via an annular groove; a rocker A (3) is provided below one side of the outer surface of the vertical shaft (2); a rotating shaft (5) is provided above the interior of the vertical shaft (2); the rocker A (3) and the rotating shaft (5) are connected in transmission via a transmission mechanism (10); a rotating shaft (5) is fixedly mounted on the upper end surface of the rotating shaft (5); The rotating seat (8) is movably connected to a clamping device (6) above the rotating seat (8) through an electric push rod (9), and the clamping device (6) includes a lifting seat (606), and the upper end surface of the lifting seat (606) is provided with a circular groove (605), and the two sides of the outer surface of the lifting seat (606) are threadedly connected to threaded rods (604) through threaded holes (603), and the outer surfaces of the two threaded rods (604) are provided with clamping plates (601) on the opposite sides, and the two clamping plates (601) are provided with hexagonal rods (7) on the opposite sides.

2. A bolt and nut disassembly tool according to claim 1, characterized in that: The transmission mechanism (10) is arranged below the interior of the vertical shaft (2) through a movable cavity. The transmission mechanism (10) includes a rotating shaft (1002). The outer surface of the rotating shaft (1002) is sleeved with a bevel gear A (1001). One end of the outer surface of the rocker A (3) is sleeved with a bevel gear B (1003), and the bevel gear B (1003) is meshed with the bevel gear A (1001).

3. A bolt and nut disassembly tool according to claim 2, characterized in that: The rocker A (3) is rotatably connected to the outer surface of the vertical shaft (2) via a bearing, the upper end surface of the rotating shaft (1002) is fixedly connected to the lower end surface of the rotating shaft (5), and the lower end surface of the rotating shaft (1002) is rotatably connected to the bottom surface of the movable cavity via a bearing.

4. The bolt and nut disassembly tool according to claim 1, characterized in that: The lifting mechanism (11) includes a screw rod (1102), the screw rod (1102) is arranged on one side of the outer surface of the vertical shaft (2) through a vertical groove (1101), the outer surface of the screw rod (1102) is sleeved with a threaded plate (1103), and the outer surface of the threaded plate (1103) is fixedly connected to the inner ring of the movable ring (4).

5. The bolt and nut disassembly tool according to claim 4, characterized in that: A handle is installed on the lower end surface of the base plate (1), and a rocker B (1104) is provided on one side of the handle. The rocker B (1104) is fixedly connected to the lower end surface of the screw rod (1102) via a connecting shaft (1105), and the upper end surface of the screw rod (1102) is rotatably connected to the inner wall of the vertical groove (1101) via a bearing.

6. The bolt and nut disassembly tool according to claim 1, characterized in that: A strip groove is provided on the other side of the outer surface of the vertical shaft (2), a guide rod is provided on the inner side of the strip groove, a slide is sleeved on the outer surface of the guide rod, and the outer surface of the slide is fixedly connected to the inner ring of the moving ring (4).

7. The bolt and nut disassembly tool according to claim 1, characterized in that: A plurality of rubber strips (602) are evenly installed on opposite sides of the outer surfaces of the two clamps (601), the outer surfaces of the clamps (601) and the outer surfaces of the threaded rods (604) are rotatably connected via bearings, a battery is provided inside the rotating seat (8), and the battery is electrically connected to the electric push rod (9).