Tool for conveniently disassembling fastener in narrow environment

Abstract

The utility model discloses a tool for conveniently disassembling a fastener in a narrow environment, which comprises an L-shaped adapter, shaft sleeves are fixedly arranged at two ends of the L-shaped adapter, rotating shafts are rotatably connected in the two shaft sleeves, one ends of the two rotating shafts, which are positioned in the L-shaped adapter, are fixedly connected with connectors, and the connectors are fixedly connected with the L-shaped adapter. A first bevel gear and a second bevel gear are fixedly connected to the ends, deviating from the rotating shafts, of the two connecting heads respectively, the first bevel gear is meshed with the second bevel gear, an access head is fixedly connected to the end, deviating from the corresponding connecting head, of one rotating shaft, and an access head is fixedly connected to the end, deviating from the corresponding connecting head, of the other rotating shaft; according to the tool for conveniently disassembling the fastener in the narrow environment, the L-shaped adapter is connected to the cross screwdriver, the action direction of force is changed through mutual meshing of the two bevel gears, the length of the L-shaped adapter is short, and the fastener can be disassembled in the narrow environment.

Description

Technical Field

[0001] The utility model relates to the technical field of fastener disassembly tools, in particular to a tool for conveniently disassembling fasteners in a narrow environment. Background Art

[0002] Fasteners are a type of mechanical parts used for fastening and connection and are extremely widely used. Various fasteners can be seen on various machinery, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, chemicals, meters and supplies, etc. They are the most widely used mechanical basic parts. In the process of repairing and maintaining machinery, fastener removal tools are needed to remove fasteners.

[0003] Conventional fastener removal tools have the following defects: when using conventional fastener removal tools, in actual use, due to design reasons, some fasteners are located in a relatively narrow position, making the fastener removal tools unusable. Utility Model Content

[0004] The purpose of the utility model is to provide a tool for conveniently removing fasteners in a narrow environment, so as to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a tool for conveniently removing fasteners in a narrow environment, comprising an L-shaped adapter, both ends of the L-shaped adapter are fixedly provided with shaft sleeves, both shaft sleeves are rotatably connected with shafts, one end of the two shafts located in the L-shaped adapter is fixedly connected with a connector, and the ends of the two connectors away from the shafts are respectively fixedly connected with a first bevel gear and a second bevel gear, the first bevel gear is meshingly connected with the second bevel gear, one end of one of the shafts away from the connector is fixedly connected with an input head, and the other end of the shaft away from the connector is fixedly connected with an output head, the second bevel gear is driven to rotate by the first bevel gear, and the force transmission direction is changed;

[0006] A hexagonal clamping hole is provided at the end of the access head away from the rotating shaft, a plum blossom bit accommodating groove is provided inside the hexagonal clamping hole, a hexagonal clamping rod is clamped and connected in the hexagonal clamping hole, one end of the hexagonal clamping rod is fixedly connected to a plum blossom bit that is clamped and connected to the plum blossom bit accommodating groove, the end of the hexagonal clamping rod away from the plum blossom bit is fixedly connected to a metal rod, and the end of the metal rod away from the hexagonal clamping rod is fixedly connected to a handle. By adding the hexagonal clamping rod to the traditional plum blossom screwdriver, the corresponding fastener can be directly removed by the plum blossom screwdriver, and the plum blossom screwdriver can be connected to the L-shaped adapter in a narrow environment.

[0007] Preferably, a fixed key is slidably connected to the middle of the access head, and rubber pads are fixedly connected to both sides of the fixed key to increase friction resistance and provide protection.

[0008] Preferably, a movable groove is provided in the middle of the fixed key, and the movable groove is connected to the hexagonal clamping hole. A clamping block is fixedly provided at one end of the movable groove. A clamping groove is provided on the surface of the hexagonal clamping rod, and the clamping block is engaged with the clamping groove. The hexagonal clamping rod is connected and fixed to the hexagonal clamping hole by engaging the clamping block with the clamping groove, thereby completing the installation and fixation of the L-shaped adapter.

[0009] Preferably, the top and bottom of the access head and the fixed key are provided with sliding grooves, one end of the two sliding grooves is fixedly provided with a spring, one end of the two springs is fixedly connected with a slider, and the two sliders are fixedly connected to the fixed key. Under the elastic force of the two springs, the card block moves toward the card slot, so that the card block is engaged with the card slot.

[0010] Preferably, the surface of the handle is provided with anti-slip grooves to increase friction resistance and facilitate rotation of the handle.

[0011] Preferably, a bit clamping hole is formed at one end of the connecting head away from the rotating shaft, and a bit is clamped and connected in the bit clamping hole. The L-shaped adapter can replace the bit according to actual conditions, thereby expanding the use scope of the tool.

[0012] Compared with the prior art, the utility model has the following beneficial effects: an L-shaped adapter is connected to the plum blossom screwdriver, and the L-shaped adapter changes the force transmission direction through the mutual engagement of two bevel gears. The L-shaped adapter is short in length and can be used to remove fasteners in narrow environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural diagram of the utility model;

[0014] Figure 2 This is the internal structure diagram of the L-shaped adapter of the utility model;

[0015] Figure 3 This is a structural diagram of the handle, metal rod, hexagonal clamping rod and plum blossom screwdriver bit of the utility model;

[0016] Figure 4 It is a cross-sectional view of the access head of the utility model.

[0017] In the figure: 1. L-shaped adapter; 2. handle; 3. metal rod; 4. input head; 5. fixing key; 6. output head; 7. bit; 8. hexagonal clamping rod; 9. clamping slot; 10. plum blossom bit; 11. hexagonal clamping hole; 12. plum blossom bit receiving slot; 13. rotating shaft; 14. bushing; 15. connector; 16. first bevel gear; 17. second bevel gear; 18. bit clamping hole; 19. movable slot; 20. clamping block; 21. slide slot; 22. slider; 23. spring; 24. rubber pad; 25. anti-slip groove. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-4 The utility model provides a tool for conveniently removing fasteners in a narrow environment, including an L-shaped adapter 1, both ends of the L-shaped adapter 1 are fixedly provided with shaft sleeves 14, and the two shaft sleeves 14 are rotatably connected with shafts 13, and one end of the two shafts 13 located in the L-shaped adapter 1 is fixedly connected with a connector 15, and the ends of the two connectors 15 away from the shafts 13 are respectively fixedly connected with a first bevel gear 16 and a second bevel gear 17, and the first bevel gear 16 is meshed with the second bevel gear 17, and one end of one shaft 13 away from the connector 15 is fixedly connected with an input head 4, and the other end of the other shaft 13 away from the connector 15 is fixedly connected with an output head 6;

[0020] When in use, the first bevel gear 16 rotates to drive the second bevel gear 17 to rotate, thereby playing a transmission role, and realizing the rotation of the outlet head 6 by the rotating input head 4.

[0021] A hexagonal clamping hole 11 is provided at one end of the access head 4 away from the rotating shaft 13, a plum blossom bit receiving groove 12 is provided inside the hexagonal clamping hole 11, a hexagonal clamping rod 8 is clamped and connected inside the hexagonal clamping hole 11, one end of the hexagonal clamping rod 8 is fixedly connected to a plum blossom bit 10 clamped and connected to the plum blossom bit receiving groove 12, a metal rod 3 is fixedly connected to one end of the hexagonal clamping rod 8 away from the plum blossom bit 10, and a handle 2 is fixedly connected to one end of the metal rod 3 away from the hexagonal clamping rod 8, and a non-slip groove 25 is provided on the surface of the handle 2;

[0022] When in use, the staff holds the handle 2 to perform disassembly work, and after rotating the handle 2, the plum blossom bit 10 is driven to rotate through the metal rod 3. The plum blossom screw can be directly removed through the plum blossom bit 10, and the plum blossom bit 10 is inserted into the plum blossom bit accommodating groove 12. At the same time, the hexagonal clamping rod 8 is engaged with the hexagonal clamping hole 11, so that when the hexagonal clamping rod 8 rotates, it drives the access head 4 to rotate.

[0023] A fixed key 5 is slidably connected to the middle of the access head 4, and rubber pads 24 are fixedly connected to both sides of the fixed key 5. A movable groove 19 is provided in the middle of the fixed key 5, and the movable groove 19 is connected to the hexagonal clamping hole 11. A clamping block 20 is fixedly provided at one end of the movable groove 19. A clamping groove 9 is provided on the surface of the hexagonal clamping rod 8, and the clamping block 20 is connected with the clamping groove 9. Slide grooves 21 are provided on the top and bottom of the access head 4 and the fixed key 5, and springs 23 are fixedly provided at one end of the two slide grooves 21. Slide blocks 22 are fixedly connected to the fixed key 5 at one end of the two springs 23. The two slide blocks 22 are fixedly connected to the fixed key 5.

[0024] When in use, the fixed key 5 is pressed to protrude from one side of the access head 4, driving the fixed key 5 to slide toward the other side of the access head 4, so that the clamping block 20 moves out of the hexagonal clamping hole 11, and the two sliders 22 slide along the two slide grooves 21. The two sliders 22 compress the connected springs 23, and the hexagonal clamping rod 8 is clamped into the hexagonal clamping hole 11, and then the pressure on the fixed key 5 is released. Under the elastic force of the two springs 23, the fixed key 5 is driven to reset, and the clamping block 20 is clamped into the clamping groove 9 to fix the hexagonal clamping rod 8.

[0025] A bit clamping hole 18 is formed at one end of the connecting head 6 away from the rotating shaft 13, and a bit 7 is clamped and connected in the bit clamping hole 18; replaceable bit 7 of different specifications is clamped into the bit clamping hole 18 of the connecting head 6, and the fastener is removed through the bit 7.

[0026] When used specifically, the utility model is a tool for conveniently removing fasteners in a narrow environment. The worker holds the handle 2 to perform the removal work. After rotating the handle 2, the plum blossom screwdriver bit 10 is driven to rotate through the metal rod 3, and the plum blossom screw can be directly removed through the plum blossom screwdriver bit 10;

[0027] The staff presses the side of the fixed key 5 protruding from the access head 4, driving the fixed key 5 to slide toward the other side of the access head 4, so that the clamping block 20 moves out of the hexagonal clamping hole 11, and the two sliders 22 slide along the two slide grooves 21. The two sliders 22 compress the connected springs 23, and the hexagonal clamping rod 8 is clamped into the hexagonal clamping hole 11, and then the pressure on the fixed key 5 is released. Under the elastic force of the two springs 23, the fixed key 5 is reset, and the clamping block 20 is clamped into the clamping groove 9 to fix the hexagonal clamping rod 8;

[0028] Insert the replaceable screw bits 7 of different specifications into the screw bit clamping hole 18 of the connecting head 6, align the screw bit 7 with the fastener and engage with the fastener, the staff holds the handle 2 and rotates it, driving the connected connecting head 4 to rotate, the connecting head 4 drives the first bevel gear 16 to rotate through the rotating shaft 13, the rotation of the first bevel gear 16 drives the second bevel gear 17 to rotate, the second bevel gear 17 drives the connecting head 6 to rotate through the rotating shaft 13, the connecting head 6 drives the screw bit 7 to rotate, and the fastener is removed through the screw bit 7.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A tool for conveniently removing fasteners in a narrow environment, comprising an L-shaped adapter (1), characterized in that: Both ends of the L-shaped adapter (1) are fixedly provided with shaft sleeves (14), and the two shaft sleeves (14) are rotatably connected to the inside of the two shaft sleeves (14), and one end of the two shafts (13) located in the L-shaped adapter (1) is fixedly connected to a connector (15), and the ends of the two connectors (15) facing away from the shafts (13) are respectively fixedly connected to a first bevel gear (16) and a second bevel gear (17), and the first bevel gear (16) is meshingly connected with the second bevel gear (17), and one end of one of the shafts (13) facing away from the connector (15) is fixedly connected to an input connector (4), and the other end of the shaft (13) facing away from the connector (15) is fixedly connected to an output connector (6); A hexagonal clamping hole (11) is formed at one end of the access head (4) away from the rotating shaft (13); a plum blossom screwdriver bit receiving groove (12) is formed inside the hexagonal clamping hole (11); a hexagonal clamping rod (8) is clamped and connected inside the hexagonal clamping hole (11); one end of the hexagonal clamping rod (8) is fixedly connected to a plum blossom screwdriver bit (10) clamped and connected to the plum blossom screwdriver bit receiving groove (12); one end of the hexagonal clamping rod (8) away from the plum blossom screwdriver bit (10) is fixedly connected to a metal rod (3); and one end of the metal rod (3) away from the hexagonal clamping rod (8) is fixedly connected to a handle (2).

2. A tool for conveniently removing fasteners in a narrow environment according to claim 1, characterized in that: A fixed key (5) is slidably connected to the middle of the access head (4), and rubber pads (24) are fixedly connected to both sides of the fixed key (5).

3. A tool for conveniently removing fasteners in a narrow environment according to claim 2, characterized in that: A movable groove (19) is provided in the middle of the fixed key (5), the movable groove (19) is communicated with the hexagonal clamping hole (11), a clamping block (20) is fixedly provided at one end of the movable groove (19), a clamping groove (9) is provided on the surface of the hexagonal clamping rod (8), and the clamping block (20) is clamped and connected with the clamping groove (9).

4. A tool for conveniently removing fasteners in a narrow environment according to claim 2, characterized in that: The top and bottom of the access head (4) and the fixed key (5) are both provided with a slide groove (21), one end of each of the two slide grooves (21) is fixedly provided with a spring (23), one end of each of the two springs (23) is fixedly connected with a slider (22), and the two sliders (22) are fixedly connected to the fixed key (5).

5. A tool for conveniently removing fasteners in a narrow environment according to claim 1, characterized in that: An anti-slip groove (25) is provided on the surface of the handle (2).

6. A tool for conveniently removing fasteners in a narrow environment according to claim 1, characterized in that: A screwdriver bit clamping hole (18) is formed at one end of the connecting head (6) which is away from the rotating shaft (13), and a screwdriver bit (7) is clamped and connected in the screwdriver bit clamping hole (18).

Images