Adjustable universal screwdriver

Abstract

The utility model discloses an adjustable universal screwdriver which comprises a handle, a through installation cavity is formed in the handle, a limiting groove is formed in the middle of the handle, a movable main plate is connected into the installation cavity in a sliding mode, and limiting protruding blocks are symmetrically and fixedly connected to the two sides of the bottom of the movable main plate. The limiting protruding block is matched with the limiting groove, the limiting protruding block slides in the limiting groove, one end of the limiting protruding block is fixedly connected with an adjusting screw rod, the end, corresponding to the limiting protruding block, of the handle is fixedly connected with a positioning assembly, and the other end of the limiting protruding block is fixedly connected with an adjusting assembly. The length of the screwdriver moving main plate in the handle can be adjusted on the whole, meanwhile, the rotating frame can rotate along the fixed shaft, the rotating angle of the connector can be changed, the length of the moving main plate in the handle can be adjusted, the length can be adjusted according to actual operation conditions, operation convenience is improved, and practicability and universality of the tool are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to screwdriver technical field, concretely is a kind of adjustable universal screwdriver. BACKGROUND

[0002] Screwdriver is a tool for screwing screw to make it in place, usually have a thin wedge-shaped head, can be inserted into the slot or recess of screw head, mainly used for screwing or loosening screw, is widely used in furniture maintenance, electronic product assembly, automobile repair, construction and other fields;

[0003] Screwdriver is usually composed of cylindrical, oval, pistol-shaped plastic, rubber or wood material handle and metal-made sword pole, traditional screwdriver is not adjustable angle, in use It will be subject to many restrictions, in some narrow, compact or special-shaped area, due to the angle of traditional screwdriver is fixed, it may not be suitable Angle to extend, or even if it can extend, it is difficult to force to effectively operate, resulting in great difficulty in operation, when the operation on screw at different angles is needed, since the angle of traditional screwdriver cannot be adjusted, users often need to constantly adjust their own posture or replace different types of screwdriver to adapt to the angle of screw, this will waste a lot of time and effort, reduce work efficiency, increase the time cost of work, when using traditional screwdriver to operate screw at inappropriate angle, since it cannot be adjusted to the best angle, it may cause the close of screwdriver head and screw slot not tight, also it will increase the wear and tear and damage risk of screwdriver itself. SUMMARY

[0004] The utility model aims at providing a kind of adjustable universal screwdriver, to solve the problem that traditional screwdriver cannot be adjusted angle in the above background art, in use It will be subject to many restrictions, waste a lot of time and effort, reduce work efficiency, increase the time cost of work, increase the wear and tear and damage risk of screwdriver itself.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: an adjustable universal screwdriver, including handle, the handle inside is equipped with the installation cavity that penetrates, the middle part of handle is equipped with the limit groove, the inside slidingly connected of installation cavity has mobile mainboard, mobile mainboard bottom both sides symmetry fixedly connected with limit bump, limit bump and limit groove match and limit bump slide in limit groove, one end of limit bump is fixedly connected with adjusting screw rod, one end fixedly connected with positioning assembly of handle and it corresponds, the other end of limit bump is fixedly connected with adjusting assembly, the length of screwdriver mobile mainboard in the handle inside can be adjusted as a whole, can make the rotating frame rotate along the fixed shaft simultaneously, make the connecting head rotation angle variable, can make the length of mobile mainboard in the handle inside telescopic, it is convenient to operate in -depth, can adjust length according to actual operation condition, make the user can keep comfortable operation posture, reduce the fatigue and discomfort caused by long time unnatural posture, improve the operation convenience, improve the practicality and universality of tool.

[0006] Preferably, the handle surface is fixedly laid with an anti-skid protective pad, and an arc-shaped straight groove is formed at equal angles on the surface of the protective pad, thereby enhancing the anti-skid performance of the handle and improving the use comfort.

[0007] Preferably, the positioning assembly comprises a connecting pipe, one end of the connecting pipe is fixedly connected to the handle, an arc-shaped clamping groove is formed on the outer side of the connecting pipe, a rotating sleeve ring is rotatably sleeved in the arc-shaped clamping groove, and a rotating nut is fixedly connected to the end of the rotating sleeve ring away from the handle.

[0008] Preferably, the adjusting screw rod penetrates through the bottom of the handle and passes through the rotating nut, the adjusting screw rod and the rotating nut are threadedly connected, the rotating nut is rotated without lifting, and the stable driving performance is maintained.

[0009] Preferably, the adjusting assembly comprises a connecting plate, the other end of the connecting plate is fixedly connected to the mobile mainboard, a rotating frame is rotatably connected to the end of the connecting plate, a plurality of contact slopes are formed on the surface of the rotating frame, a fixed shaft is fixedly connected to the inside of the rotating frame, the fixed shaft penetrates through the end of the connecting plate, a locking nut is threadedly connected to the outer side of the connecting plate, and the locking nut is in contact connection with the contact slopes.

[0010] Preferably, the side of the rotating frame away from the connecting plate is fixedly connected with a connecting head, a hexagonal through hole is formed in the middle of the connecting head, and a magnetic block is fixedly installed in the inside of the connecting head.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] Through design rotating frame, contact slope, locking nut, connector, fixed shaft, magnetic block, make screwdriver bit installation not easy to fall off, improve use stability, can fixed simultaneously the use angle of rotating frame, connector, solve special angle screw operation difficult problem, improve work efficiency, reduce the damage risk to surrounding parts, can be with suitable angle accurately aim at screw, avoid because angle is not suitable and lead to screwdriver bit in the operation process and slide out and scratch the surrounding parts or surface;

[0013] Through design adjusting screw rod, connecting pipe, clamping arc groove, rotating nut drive rotating screw rod, make rotating screw rod from the length of handle inside adjustable, utilize rotating nut to rotating screw rod fixed simultaneously, prevent rotating screw rod length change, adapt to different space demand, improve operation convenience, improve work efficiency and comfort, enhance versatility. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the front view of the utility model;

[0015] Figure 2 It is the mobile mainboard structure schematic view of the utility model;

[0016] Figure 3 It is the handle internal structure schematic view of the utility model;

[0017] Figure 4 It is the utility model Figure 3 It is the local amplification structure schematic view of A place in the utility model;

[0018] Figure 5 It is the rotating frame structure schematic view of the utility model.

[0019] In the drawing: 1, handle, 2, installation cavity, 3, limit slot, 4, connecting pipe, 5, clamping arc groove, 6, rotating nut, 7, mobile mainboard, 8, limit lug, 9, adjusting screw rod, 10, connecting plate, 11, rotating frame, 12, contact slope, 13, locking nut, 14, connector, 15, rotating collar, 16, fixed shaft, 17, magnetic block. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model.

[0021] Please refer to Figures 1-5The utility model provides a kind of adjustable universal screwdriver, including handle 1, handle 1 inside is equipped with the installation cavity 2 of through, the middle part of handle 1 is equipped with limit slot 3, limit slot 3 is equipped in handle 1 inner wall, slidingly connected with mobile mainboard 7 in installation cavity 2, the bottom two sides of mobile mainboard 7 are fixedly connected with limit bump 8, limit bump 8 and limit slot 3 match and limit bump 8 slide in limit slot 3, one end of limit bump 8 is fixedly connected with adjusting screw 9, one end of handle 1 is fixedly connected with positioning assembly, the other end of limit bump 8 is fixedly connected with adjusting assembly.

[0022] Further, the surface of handle 1 is fixedly laid with anti-skid protective pad, the surface of the protective pad is equiangularly provided with arc straight grooves, the anti-skid protective pad is used to increase the friction with the user's hand, and the anti-skid protective pad is used to improve the use comfort.

[0023] Further, the positioning assembly comprises a connecting pipe 4, the connecting pipe 4 is fixedly connected to one end of the handle 1, the connecting pipe 4 is provided with a clamping arc groove 5 on the outside, a rotating sleeve ring 15 is rotatably sleeved in the clamping arc groove 5, the rotating sleeve ring 15 rotates on the clamping arc groove 5, and the two are independent of each other, and one end of the rotating sleeve ring 15 away from the handle 1 is fixedly connected with a rotating nut 6.

[0024] Further, the adjusting screw 9 penetrates through the bottom of the handle 1 and passes through the rotating nut 6, the adjusting screw 9 is threadedly connected with the rotating nut 6, when the rotating nut 6 rotates, the adjusting screw 9 is screwed, at the same time, the rotating nut 6 rotates to drive the adjusting screw 9, so that the adjusting screw 9 can move.

[0025] Further, the adjusting assembly comprises a connecting plate 10, the connecting plate 10 is fixedly connected to the other end of the mobile mainboard 7, a rotating frame 11 is rotatably connected to the end of the connecting plate 10, a plurality of contact slopes 12 are formed on the surface of the rotating frame 11, a fixed shaft 16 is fixedly connected inside the rotating frame 11, the fixed shaft 16 penetrates through the end of the connecting plate 10, the rotating frame 11 rotates as a whole along the fixed shaft 16, a locking nut 13 is threadedly connected to the outside of the connecting plate 10, the locking nut 13 is in contact with the contact slope 12, when the locking nut 13 rotates, it moves along the connecting plate 10, so that the locking nut 13 is in contact with one of the contact slopes 12, thereby abutting against the rotating frame 11.

[0026] Further, the connecting head 14 is fixedly connected to one side of the rotating frame 11 away from the connecting plate 10, a hexagonal hole is formed in the middle of the connecting head 14, a magnetic block 17 is fixedly installed inside the connecting head 14, when the screwdriver bit is installed, the screwdriver bit is inserted into the connecting head 14, so that the screwdriver bit is in contact with the magnetic block 17, the magnetic block 17 stably adsorbs the screwdriver bit in the connecting head 14, after the angle of the rotating frame 11 is fixed, the connecting head 14 and the screwdriver bit change the angle accordingly.

[0027] The embodiment of the present application is used:

[0028] When the extension length of the moving main plate 7 needs to be adjusted, the rotating nut 6 is rotated, the rotating nut 6 is screwed with the adjusting screw 9, the adjusting screw 9 is forced to move, thereby pushing or pulling the moving main plate 7 and the limiting block 8 to move, the moving main plate 7 slides in the installation cavity 2, the limiting block 8 slides in the limiting groove 3, thereby driving the connecting plate 10 to move, when the angle of the rotating frame 11 needs to be adjusted, the rotating frame 11 is rotated, the included angle between the rotating frame 11 and the connecting plate 10 is adjusted to a suitable range, then the locking nut 13 is rotated, the locking nut 13 moves along the connecting plate 10, the locking nut 13 contacts the contact slope surface 12 on the rotating frame 11, the angle of the rotating frame 11 is fixed, then the screwdriver bit is inserted into the connecting head 14, the screwdriver bit contacts the magnetic suction block 17, the magnetic suction block 17 stably adsorbs the screwdriver bit in the connecting head 14.

[0029] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An adjustable universal screwdriver comprising a handle (1), characterized in that: The handle (1) is internally provided with a through installation cavity (2), the middle part of the handle (1) is provided with a limiting groove (3), the installation cavity (2) is internally connected with a movable main plate (7) in a sliding mode, the bottom of the movable main plate (7) is fixedly connected with a limiting block (8) in a symmetrical mode, the limiting block (8) is matched with the limiting groove (3) and the limiting block (8) is slid in the limiting groove (3), one end of the limiting block (8) is fixedly connected with an adjusting screw rod (9), the handle (1) is fixedly connected with a positioning assembly at the corresponding end, the other end of the limiting block (8) is fixedly connected with an adjusting assembly.

2. An adjustable universal screwdriver according to claim 1, wherein: The handle (1) is fixedly provided with an anti-skid protective pad, and the protective pad is provided with arc straight grooves at equal angles.

3. An adjustable universal screwdriver according to claim 1, wherein: The positioning assembly comprises a connecting pipe (4), one end of the connecting pipe (4) is fixedly connected with the handle (1), the outer side of the connecting pipe (4) is provided with a clamping arc groove (5), a rotating sleeve ring (15) is rotatably sleeved in the clamping arc groove (5), and one end, away from the handle (1), of the rotating sleeve ring (15) is fixedly connected with a rotating nut (6).

4. An adjustable universal screwdriver according to claim 1, wherein: The adjusting screw rod (9) penetrates the bottom of the handle (1) and passes through the rotating nut (6), and the adjusting screw rod (9) and the rotating nut (6) are in threaded connection.

5. An adjustable universal screwdriver according to claim 1, wherein: The adjusting assembly comprises a connecting plate (10), the other end of the connecting plate (10) is fixedly connected with the movable main plate (7), the end of the connecting plate (10) is rotatably connected with a rotating frame (11), the surface of the rotating frame (11) is provided with a plurality of contact inclined surfaces (12), the inside of the rotating frame (11) is fixedly connected with a fixed shaft (16), the fixed shaft (16) penetrates the end of the connecting plate (10), the outer side of the connecting plate (10) is in threaded connection with a locking nut (13), and the locking nut (13) is in contact connection with the contact inclined surface (12).

6. An adjustable universal screwdriver according to claim 5, wherein: One side, away from the connecting plate (10), of the rotating frame (11) is fixedly connected with a connecting head (14), the middle part of the connecting head (14) is provided with a hexagonal through hole, and the inside of the connecting head (14) is fixedly installed with a magnetic block (17).

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