CN110900498A

CN110900498A - Size-adjustable hardware screwdriver

Info

Publication number: CN110900498A
Application number: CN201811079087.0A
Authority: CN
Inventors: 高银根; 高明; 戴正明
Original assignee: Taizhou Hydraulic Machinery Factory Co Ltd
Current assignee: Taizhou Hydraulic Machinery Factory Co Ltd
Priority date: 2018-09-17
Filing date: 2018-09-17
Publication date: 2020-03-24

Abstract

The invention discloses a size-adjustable hardware screwdriver, which comprises a handle, a sliding rod, limiting springs, an installation box, a screwdriver bit, an elastic spring and a cover plate, wherein a placing cavity is formed in the bottom of the handle, the sliding rod is connected in the placing cavity in a sliding manner, a plurality of limiting grooves are formed in one side wall of the sliding rod at equal intervals, the limiting springs are symmetrically fixed on one side wall of the handle, a pulling plate is fixed at one end, away from the handle, of each limiting spring, an inserting rod is fixed on one side wall, close to the sliding rod, of the pulling plate, the inserting rod is arranged between the two limiting springs, one end, away from the pulling plate, of the inserting rod penetrates through one side wall of the handle in a sliding manner and is arranged in the limiting grooves, the installation box is fixed at one end, away from the handle, of the sliding rod, the installation box is provided with an installation hole at the bottom, the hardware screwdriver is convenient for adjusting the length of the screwdriver and replacing screwdriver heads with different sizes.

Description

Size-adjustable hardware screwdriver

Technical Field

The invention relates to the technical field of screwdrivers, in particular to a hardware screwdriver with adjustable size.

Background

The screwdriver is a tool for screwing and rotating a screw to force the screw to be in place, is usually used for assembling and disassembling the screw, is an indispensable construction tool for various industries, particularly for maintenance electricians, and is one of main tools carried about. Therefore, the size-adjustable hardware screwdriver is provided.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, and provides a hardware screwdriver which is convenient for adjusting the length of the screwdriver and replacing screwdriver heads with various sizes, comprising a handle, a sliding rod, a limiting spring, an installation box, the screwdriver heads, an elastic spring and a cover plate, wherein the bottom of the handle is provided with a placing cavity, the sliding rod is connected in the placing cavity in a sliding manner, one side wall of the sliding rod is provided with a plurality of limiting grooves at equal intervals, the limiting spring is symmetrically fixed on one side wall of the handle, one end of the limiting spring, far away from the handle, is fixed with a pulling plate, one side wall of the pulling plate, close to the sliding rod, is fixed with an inserting rod, the inserting rod is arranged between the two limiting springs, one end of the inserting rod, far away from the pulling plate, penetrates through one side wall of the handle in a sliding manner and is arranged in the limiting grooves, one end of the sliding, the mounting box is internally provided with a transverse plate, L-shaped rods are symmetrically fixed at two ends of the top of the transverse plate, the long edge of each L-shaped rod slides through the top of the mounting box and is exposed in the air, a through hole is formed in the top of the transverse plate and is opposite to the mounting hole, a screwdriver head is arranged in the mounting box, one end of the screwdriver head sequentially slides through the mounting hole and the through hole, the top of the screwdriver head is contacted with the inner wall of the top of the mounting box, slots are symmetrically formed in two side walls of the screwdriver head, the two side walls of the transverse plate are respectively in sliding connection with the inner wall of one side adjacent to the mounting box, two ends of the bottom of the transverse plate are symmetrically and rotatably connected with connecting rods through pins, one ends of the connecting rods, far away from the transverse plate, are respectively and rotatably connected with insert blocks through pins, elastic springs are fixed on one side wall, far away from, the one end setting that the inserted block is close to screwdriver head is in adjacent slot, the storage tank has been seted up at the top of handle, the top one end of handle is connected with the apron through the damping hinge rotation, the pin thread is installed to the one end of apron, the box is installed to a lateral wall of handle, and pin thread and box mutually support.

Preferably, a plurality of screwdriver bits with different sizes are arranged in the storage groove.

Preferably, the two side walls of the sliding rod are symmetrically fixed with sliding blocks, the inner walls of the two sides of the placing cavity are symmetrically provided with sliding grooves, and the sliding blocks are connected in the corresponding sliding grooves in a sliding mode.

Preferably, the bottom of each insertion block is fixed with a T-shaped block, the inner wall of the bottom of the installation box is symmetrically provided with T-shaped grooves, and the T-shaped blocks are connected in the corresponding T-shaped grooves in a sliding mode.

Preferably, the two side walls of the transverse plate are both fixed with moving blocks, the inner walls of the two sides of the installation box are symmetrically provided with grooves, and the moving blocks are connected in the corresponding grooves in a sliding manner.

Preferably, the diameters of the mounting hole, the through hole and the screwdriver head are the same, and the two side walls of the screwdriver head are fixed with the alignment blocks.

The invention has the beneficial effects that: this five metals screwdriver places the chamber through seting up in the bottom of handle, it has the slide bar to place intracavity sliding connection, a plurality of spacing grooves have been seted up to a lateral wall of slide bar, a lateral wall of handle is provided with inserted bar and spacing spring, so can adjust the length of screwdriver according to people's demand, be provided with the install bin in the bottom of slide bar, be provided with the diaphragm in the install bin, the connecting rod, the inserted block, elasticity spring, L type pole etc., cooperation through these results, the installation and the dismantlement to screwdriver head that can be very convenient, thereby be convenient for change different model sizes's screwdriver head, the storage tank has been seted up at the top of handle, be provided with the screwdriver head of a plurality of different models in the storage tank, the screwdriver head can in time be changed to people of being.

Drawings

The invention will now be described, by way of example, with reference to the accompanying drawings, in which:

FIG. 1 is a schematic overall sectional view of the present invention;

FIG. 2 is an enlarged view of the area A of the present invention;

FIG. 3 is an enlarged view of the area B of the present invention;

FIG. 4 is a schematic view of the overall structure of the present invention;

fig. 5 is a schematic view of a screwdriver tip structure of the present invention.

In the figure: 1. a grip; 2. a placement chamber; 3. a slide bar; 4. a limiting spring; 5. pulling a plate; 6. inserting a rod; 7. a limiting groove; 8. installing a box; 9. mounting holes; 10. a transverse plate; 11. a through hole; 12. a connecting rod; 13. inserting a block; 14. a screwdriver bit; 15. a slot; 16. an elastic spring; 17. an L-shaped rod; 18. a storage tank; 19. a cover plate; 20. a male buckle; 21. a female buckle; 22. a slider; 23. a chute; 24. a T-shaped block; 25. a T-shaped groove; 26. a moving block; 27. a groove; 28. and aligning the blocks.

Detailed Description

Any feature disclosed in this specification may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

As shown in fig. 1-5, the size-adjustable hardware screwdriver comprises a handle 1, a sliding rod 3, a limiting spring 4, a mounting box 8, a screwdriver bit 14, an elastic spring 16 and a cover plate 19, wherein a placing cavity 2 is formed in the bottom of the handle 1, the sliding rod 3 is slidably connected in the placing cavity 2, a plurality of limiting grooves 7 are formed in a side wall of the sliding rod 3 at equal intervals, the limiting spring 4 is symmetrically fixed on one side wall of the handle 1, a pull plate 5 is fixed at one end, away from the handle 1, of the limiting spring 4, an inserting rod 6 is fixed on one side wall, close to the sliding rod 3, of the pull plate 5, the inserting rod 6 is arranged between the two limiting springs 4, one end, away from the pull plate 5, of the inserting rod 6 slides through one side wall of the handle 1 and is arranged in the limiting groove 7, the mounting box 8 is fixed at one end, away from the handle 1, of the sliding rod 3, a mounting, a transverse plate 10 is arranged in the installation box 8, L-shaped rods 17 are symmetrically fixed at two ends of the top of the transverse plate 10, a long edge of each L-shaped rod 17 slides through the top of the installation box 8 and is exposed in the air, a through hole 11 is formed in the top of the transverse plate 10, the through hole 11 is just opposite to the installation hole 9, a screwdriver bit 14 is arranged in the installation box 8, one end of the screwdriver bit 14 sequentially slides through the installation hole 9 and the through hole 11, the top of the screwdriver bit 14 is contacted with the inner wall of the top of the installation box 8, slots 15 are symmetrically formed in two side walls of the screwdriver bit 14, two side walls of the transverse plate 10 are respectively connected with the inner wall of one side adjacent to the installation box 8 in a sliding manner, connecting rods 12 are symmetrically and rotatably connected at two ends of the bottom of the transverse plate 10 through pins, inserting blocks 13 are rotatably connected at one ends of the connecting rods 12 far away from the transverse plate 10, one end that inserted block 13 was kept away from to elasticity spring 16 and the adjacent one side inner wall fixed connection of install bin 8, the one end setting that inserted block 13 is close to screwdriver bit 14 is in adjacent slot 15, storage tank 18 has been seted up at the top of handle 1, the top one end of handle 1 is rotated through the damping hinge and is connected with apron 19, pin thread 20 is installed to the one end of apron 19, box 21 is installed to a lateral wall of handle 1, and pin thread 20 and box 21 mutually support. The storage groove 18 is internally provided with a plurality of screwdriver bits 14 with different sizes, so that a user can replace the screwdriver bits 14 with required sizes in time. The two side walls of the sliding rod 3 are symmetrically fixed with sliding blocks 22, the inner walls of the two sides of the placing cavity 2 are symmetrically provided with sliding grooves 23, and the sliding blocks 22 are connected in the corresponding sliding grooves 23 in a sliding mode, so that the sliding of the sliding rod 3 is facilitated, and a limiting effect is achieved. The bottom of inserted block 13 all is fixed with T type piece 24, T type groove 25 has been seted up to the bottom inner wall symmetry of install bin 8, T type piece 24 sliding connection is in corresponding T type groove 25, the slip of inserted block 13 of being convenient for, and plays limiting displacement. The transverse plate 10 is provided with moving blocks 26 on two side walls, grooves 27 are symmetrically formed in the inner walls of two sides of the installation box 8, and the moving blocks 26 are slidably connected in the corresponding grooves 27, so that the transverse plate 10 can move conveniently, and a limiting effect is achieved. The diameters of the mounting hole 9, the through hole 11 and the screwdriver bit 14 are the same, and the two side walls of the screwdriver bit 14 are fixed with alignment blocks 28, so that the screwdriver bit 14 can be conveniently mounted and dismounted.

The working principle of the specific embodiment is as follows: when a worker uses the hardware screwdriver, if the operation space is narrow, the pull plate 5 can be pulled to enable the inserting rod 6 to be separated from the limiting groove 7, then the sliding rod 3 is pushed upwards to be lifted to a proper position, under the action of the limiting spring 4, the inserting rod 6 can be inserted into the limiting groove 7 to fix the sliding rod 3, when screwdriver bits 14 with different sizes need to be replaced, the cover plate 19 is opened to take out the screwdriver bits 14 with relative sizes, then the L-shaped rod 17 is pulled upwards, the L-shaped rod 17 moves upwards to drive the transverse plate 10 to move upwards, the transverse plate 10 drives the connecting rod 12 to move, the connecting rod 12 drives the inserting block 13 to move towards two sides, at the moment, the elastic spring 16 is in a compressed state to enable the inserting block 13 to be separated from the slot 15, so that the screwdriver bits 14 can be taken out, when the proper screwdriver bits 14 are installed, the L-shaped rod 17 is still pulled upwards to enable the proper screwdriver bits 14 to be inserted into the installation holes 9, and the top of the screwdriver bit 14 is contacted with the inner wall of the top of the mounting box 8, the L-shaped rod 17 is released, and the insert 13 is inserted into the slot 15 under the action of the elastic spring 16, so that the screwdriver bit 14 is fixed.

The invention is not limited to the foregoing embodiments. The invention extends to any novel feature or any novel combination of features disclosed in this specification and any novel method or process steps or any novel combination of features disclosed.

Claims

1. The utility model provides a five metals screwdriver of adjustable size, includes handle (1), slide bar (3), spacing spring (4), install bin (8), screwdriver bit (14), elasticity spring (16) and apron (19), its characterized in that: the bottom of the handle (1) is provided with a placing cavity (2), the placing cavity (2) is internally and slidably connected with a sliding rod (3), a plurality of limiting grooves (7) are formed in the equal distance of one side wall of the sliding rod (3), limiting springs (4) are symmetrically fixed on one side wall of the handle (1), one end, far away from the handle (1), of each limiting spring (4) is fixed with a pull plate (5), one side wall, close to the sliding rod (3), of each pull plate (5) is fixed with an inserted bar (6), the inserted bar (6) is arranged between the two limiting springs (4), one end, far away from the pull plate (5), of each inserted bar (6) slides through one side wall of the handle (1) and is arranged in each limiting groove (7), one end, far away from the handle (1), of the sliding rod (3) is fixed with an installation box (8), the bottom of the installation box (8) is provided with an installation hole (9), and a transverse plate (10) is, the novel air purifier is characterized in that L-shaped rods (17) are symmetrically fixed at two ends of the top of the transverse plate (10), long edges of the L-shaped rods (17) slide through the top of the installation box (8) and are exposed in the air, through holes (11) are formed in the top of the transverse plate (10), the through holes (11) are arranged right opposite to the installation holes (9), screwdriver heads (14) are arranged in the installation box (8), one ends of the screwdriver heads (14) sequentially slide through the installation holes (9) and the through holes (11), the tops of the screwdriver heads (14) are in contact with the inner wall of the top of the installation box (8), slots (15) are symmetrically formed in two side walls of the screwdriver heads (14), two side walls of the transverse plate (10) are in sliding connection with the inner wall of one side adjacent to the installation box (8), two ends of the bottom of the transverse plate (10) are rotationally connected with connecting rods (12) through pins, one ends, far away from the transverse plate (10), insert piece (13) and keep away from a lateral wall of screwdriver bit (14) and all be fixed with elastic spring (16), elastic spring (16) keep away from one end of insert piece (13) and one side inner wall fixed connection that install bin (8) are adjacent, the one end setting that insert piece (13) is close to screwdriver bit (14) is in adjacent slot (15), storage tank (18) have been seted up at the top of handle (1), the top one end of handle (1) is connected with apron (19) through damping hinge rotation, public knot (20) are installed to the one end of apron (19), box (21) are installed to a lateral wall of handle (1), and public knot (20) and box (21) mutually support.

2. The adjustable-size hardware screwdriver of claim 1, wherein: a plurality of screwdriver heads (14) with different sizes are arranged in the storage groove (18).

3. The adjustable-size hardware screwdriver of claim 1, wherein: the two side walls of the sliding rod (3) are symmetrically fixed with sliding blocks (22), the inner walls of the two sides of the placing cavity (2) are symmetrically provided with sliding grooves (23), and the sliding blocks (22) are connected in the corresponding sliding grooves (23) in a sliding mode.

4. The adjustable-size hardware screwdriver of claim 1, wherein: the bottom of inserted block (13) all is fixed with T type piece (24), T type groove (25) have been seted up to the bottom inner wall symmetry of install bin (8), T type piece (24) sliding connection is in corresponding T type groove (25).

5. The adjustable-size hardware screwdriver of claim 1, wherein: moving blocks (26) are fixed on two side walls of the transverse plate (10), grooves (27) are symmetrically formed in the inner walls of two sides of the installation box (8), and the moving blocks (26) are connected in the corresponding grooves (27) in a sliding mode.

6. The adjustable-size hardware screwdriver of claim 1, wherein: the diameters of the mounting hole (9), the through hole (11) and the screwdriver head (14) are the same, and alignment blocks (28) are fixed on two side walls of the screwdriver head (14).