CN211805808U

CN211805808U - Multi-functional screwdriver of angularly adjustable

Info

Publication number: CN211805808U
Application number: CN201921966145.1U
Authority: CN
Inventors: 张永康; 尚同同; 朱俊; 肖科旭
Original assignee: Suzhou Vocational University
Current assignee: Suzhou Vocational University
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-10-30
Anticipated expiration: 2029-11-14

Abstract

The invention provides an angle-adjustable multifunctional screwdriver which comprises a short-handle sleeve and a long-handle sleeve, wherein the upper end of the short-handle sleeve is rotatably connected with the front end of the long-handle sleeve through an angle adjusting component; a first mounting hole is formed in the middle of the short-handle sleeve, and a short-handle gear shaft is mounted in the first mounting hole; a second mounting hole is formed in the middle of the long-handle sleeve, and a long-handle gear shaft is mounted in the second mounting hole; the angle adjusting assembly comprises a short handle connecting piece and a long handle connecting piece, the short handle connecting piece and the long handle connecting piece are rotatably connected through a rotating shaft, and one end of the rotating shaft is in threaded connection with a locking nut; the rotating shaft is sleeved with a transmission gear which is respectively meshed with the gear part of the short-handle gear shaft and the gear part of the long-handle gear shaft. The invention has the beneficial effects that: the problem that the screwdriver is difficult to operate in a narrow space is effectively solved, reversing transmission is achieved through rigid connection, and the screwdriver is more reliable and stable, and time-saving and labor-saving.

Description

Multi-functional screwdriver of angularly adjustable

Technical Field

The invention relates to the technical field of maintenance tools, in particular to an angle-adjustable multifunctional screwdriver.

Background

The screwdriver is a common hardware tool, is used for screwing and disassembling screws or bolts during equipment maintenance, and is indispensable in the field of machinery. Present screwdriver is mostly the straight-bar, during the maintenance, can't be executed in the narrow space of equipment inside and exhibits, often need at first dismantle peripheral spare part to obtain operating space, waste time and energy.

At present, when equipment is maintained, a screwdriver working in a narrow space mainly comprises a bendable screwdriver (a bendable flexible shaft and a bendable hose are arranged in a patent No. CN 201621357088.3) and a universal flexible shaft (a patent No. CN 200420116789.9), and although the screwdrivers can be bent in any direction at 180 degrees, the bending curvature of the flexible shaft can be slightly changed due to the action of pressure during operation, so that the stress direction is changed, and a screwdriver bit and a screw are easy to fall off during operation and are unreliable and unstable. In view of the above reasons, the invention provides the angle-adjustable screwdriver capable of realizing reversing and driving through rigid connection aiming at the problem that the screwdriver is difficult to operate in a narrow space, so as to meet the requirement that the screwdriver is difficult to operate in the narrow space.

Disclosure of Invention

In order to solve the problems, the invention discloses a multifunctional screwdriver with an adjustable angle, which effectively solves the problem that the screwdriver is difficult to operate in a narrow space, realizes reversing transmission through rigid connection, and is more reliable, stable, time-saving and labor-saving.

In order to achieve the above purpose, the invention provides the following technical scheme:

the utility model provides a multi-functional screwdriver of angularly adjustable which characterized in that: the angle adjusting device comprises a short handle sleeve and a long handle sleeve, wherein the upper end of the short handle sleeve is rotatably connected with the front end of the long handle sleeve through an angle adjusting component; a first mounting hole is formed in the middle of the short-handle sleeve along the axis direction, a short-handle gear shaft matched with the first mounting hole is installed in the first mounting hole in a matched mode, a gear portion of the short-handle gear shaft is arranged outside the upper end of the short-handle sleeve, a shaft portion of the short-handle gear shaft is in clearance fit with the first mounting hole, and the lower end of the shaft portion of the short-handle gear shaft is arranged in the short-handle sleeve; a second mounting hole is formed in the middle of the long-handle sleeve along the axis direction, a long-handle gear shaft matched with the second mounting hole is installed in the second mounting hole in a matched mode, a gear portion of the long-handle gear shaft is arranged outside the front end of the long-handle sleeve, a shaft portion of the long-handle gear shaft is in clearance fit with the second mounting hole, and the rear end of the long-handle gear shaft extends out of the rear end of the long-handle sleeve; the angle adjusting assembly comprises two short handle connecting pieces symmetrically arranged at the upper end of the short handle sleeve and two long handle connecting pieces symmetrically arranged at the front end of the long handle sleeve, the two short handle connecting pieces correspond to the two long handle connecting pieces in position, the two short handle connecting pieces are respectively arranged on the inner sides of the two long handle connecting pieces, the short handle connecting pieces are rotatably connected with the long handle connecting pieces through rotating shafts, and one end of each rotating shaft is connected with a locking nut in a threaded manner; the rotating shaft is sleeved with a transmission gear, and the transmission gear is respectively meshed with the gear part of the short-handle gear shaft and the gear part of the long-handle gear shaft.

Further, an inner hexagonal groove is formed in the lower end of the short handle gear shaft, a strong magnet is installed in the inner hexagonal groove in a matched mode, and a tool bit is adsorbed below the strong magnet.

Furthermore, the rear end of the long-handle gear shaft is sleeved with a wrench connecting piece, the wrench connecting piece is connected with a wrench through a bolt rotating wheel, and the end part of the bolt is in threaded connection with a nut.

Further, a magnet is arranged on the inner side of the wrench.

Furthermore, a wrench accommodating groove matched with a wrench is formed in the rear end of the long-handle sleeve.

Further, a shell A is installed on the two short handle connecting pieces in a matched mode, and a shell B is installed on the two long handle connecting pieces in a matched mode.

Furthermore, the short handle connecting piece and the long handle connecting piece are fixedly arranged on the short handle sleeve and the long handle sleeve respectively through screws.

Compared with the prior art, the invention has the beneficial effects that:

1. the screw (bolt and nut) can be disassembled and assembled by rotating the wrench at any angle continuously in a narrow space, so that the operation is simple, the time is saved, and the labor intensity of workers is reduced;

2. the angle between the short handle sleeve and the long handle sleeve can be adjusted at will, so that the angle adjusting device is more suitable for the requirements on the angle during working in a complex and narrow space;

3. the short-handle gear shaft and the long-handle gear shaft are rigidly connected through the transmission gear, so that the stress state is stable during operation, the problem that the tool bit and the screw of the existing universal flexible shaft are easy to fall off is solved, and the universal flexible shaft is more reliable;

4. when the screwdriver works, the long-handle gear shaft, the transmission gear and the short-handle gear shaft are all transmitted in the sleeve of the screwdriver, the outer part of the screwdriver keeps a static state, the phenomenon that the screwdriver cannot rotate due to the fact that the screwdriver touches other parts when in use is avoided, and the working efficiency of operators is improved;

5. the supporting polymorphic type tool bit of removable, the practicality is strong.

Drawings

Fig. 1 is a schematic structural view of a multifunctional screwdriver with an adjustable angle according to the present invention.

Fig. 2 is a partially enlarged view of a in fig. 1.

Fig. 3 is a schematic structural view of fig. 2 with a locking nut removed.

Fig. 4 is a schematic structural view of fig. 3 with one side of the short-shank coupling member and the long-shank coupling member removed, and with the housing a and the housing B removed.

Fig. 5 is a partially enlarged view of B in fig. 1.

Fig. 6 is a sectional view of a multifunctional screwdriver with an adjustable angle according to the present invention.

Fig. 7 is a schematic structural view of the wrench of the present invention after being opened.

List of reference numerals:

1-short handle sleeve, 11-short handle connecting piece, 12-shell A, 13-screw, 14-short handle gear shaft, 15-tool bit, 16-strong magnet, 2-locking nut, 21-transmission gear, 3-long handle sleeve, 31-long handle connecting piece, 32-shell B, 33-long handle gear shaft, 4-wrench, 41-bolt, 42-nut, 43-wrench connecting piece and 44-magnet.

Detailed Description

The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the invention and not as limiting the scope of the invention. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in the figure, the multifunctional screwdriver with the adjustable angle comprises a short-handle sleeve 1 and a long-handle sleeve 3, wherein the upper end of the short-handle sleeve 1 is rotatably connected with the front end of the long-handle sleeve 3 through an angle adjusting assembly; a first mounting hole is formed in the middle of the short-handle sleeve 1 along the axis direction, a short-handle gear shaft 14 matched with the first mounting hole is installed in the first mounting hole in a matched mode, a gear portion of the short-handle gear shaft 14 is arranged outside the upper end of the short-handle sleeve 1, a shaft portion is in clearance fit with the first mounting hole, and the lower end of the shaft portion of the short-handle gear shaft 14 is arranged in the short-handle sleeve 1; a second mounting hole is formed in the middle of the long-handle sleeve 3 along the axis direction, a long-handle gear shaft 33 matched with the second mounting hole is installed in the second mounting hole in a matched mode, a gear portion of the long-handle gear shaft 33 is arranged outside the front end of the long-handle sleeve 3, a shaft portion of the long-handle gear shaft is in clearance fit with the second mounting hole, and the rear end of the long-handle gear shaft 33 extends out of the rear end of the long-handle sleeve 3; the angle adjusting assembly comprises two short handle connecting pieces 11 symmetrically arranged at the upper end of the short handle sleeve 1 and two long handle connecting pieces 31 symmetrically arranged at the front end of the long handle sleeve 3, the two short handle connecting pieces 11 correspond to the two long handle connecting pieces 31 in position, the two short handle connecting pieces 11 are respectively arranged at the inner sides of the two long handle connecting pieces 31, the short handle connecting pieces 11 are rotatably connected with the long handle connecting pieces 31 through a rotating shaft, and one end of the rotating shaft is in threaded connection with a locking nut 2; the rotating shaft is fitted with a transmission gear 21, and the transmission gear 21 meshes with the gear portion of the short-handle gear shaft 14 and the gear portion of the long-handle gear shaft 33, respectively.

In this embodiment, the lower end of the short-handle gear shaft 14 is provided with an inner hexagonal groove, the inner hexagonal groove is internally provided with a strong magnet 16 in a matching manner, and a cutter head 15 is adsorbed below the strong magnet 16.

In this embodiment, a wrench connecting piece 43 is sleeved on the rear end of the long-handle gear shaft 33, the wrench connecting piece 43 is rotatably connected with the wrench 4 through a bolt 41, and a nut 42 is threadedly connected to the end of the bolt 41.

In this embodiment, a magnet 44 is provided inside the wrench 4, and a wrench receiving groove adapted to the wrench 4 is provided at the rear end of the long-handled socket 3. When the wrench 4 is not used, the wrench 4 is adsorbed in the wrench receiving groove at the rear end of the long-handle sleeve 3.

In this embodiment, the housing a12 is fitted to the short-handle links 11, and the housing B32 is fitted to the long-handle links 31.

In the present embodiment, the short-handle connector 11 and the long-handle connector 31 are fixedly mounted on the short-handle sleeve 1 and the long-handle sleeve 3, respectively, by screws 13.

The specific use steps of the invention are as follows:

a) the locking nut 2 is rotated to enlarge the gap between the short handle connecting piece 11 and the long handle connecting piece 31, the short handle sleeve 1 and the long handle sleeve 3 can freely adjust the angle at the moment, the locking nut 2 is rotated reversely to lock the short handle connecting piece 11 and the long handle connecting piece 31, so that the angle between the short handle sleeve 1 and the long handle sleeve 3 is fixed, and the angle adjustment is completed;

b) selecting a proper tool bit 15 (such as a straight-line tool bit, a cross tool bit, a hexagonal tool bit, a dodecagonal tool bit and the like), and placing the proper tool bit into a groove at the lower end of the short-handle gear shaft 14, wherein a strong magnet 16 is arranged in the inner hexagonal groove, meshing the tool bit 15 with a screw (bolt and nut) to be disassembled and assembled, then rotationally pulling out a wrench 4 in a wrench accommodating groove at the rear end of the long-handle sleeve 3, rotating the wrench 4 around a rotating shaft of the long-handle sleeve 3, and driving the tool bit 15 to rotate through a wrench connecting piece 43, the long-handle gear shaft 33, the transmission gear 21 and the short-handle gear shaft 14 to realize reversing transmission, so as to complete the disassembly.

The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.

Claims

1. The utility model provides a multi-functional screwdriver of angularly adjustable which characterized in that: the telescopic handle comprises a short handle sleeve (1) and a long handle sleeve (3), wherein the upper end of the short handle sleeve (1) is rotatably connected with the front end of the long handle sleeve (3) through an angle adjusting component;

a first mounting hole is formed in the middle of the short-handle sleeve (1) along the axis direction, a short-handle gear shaft (14) matched with the first mounting hole is installed in the first mounting hole in a matched mode, a gear portion of the short-handle gear shaft (14) is arranged outside the upper end of the short-handle sleeve (1), a shaft portion is in clearance fit with the first mounting hole, and the lower end of the shaft portion of the short-handle gear shaft (14) is arranged in the short-handle sleeve (1);

a second mounting hole is formed in the middle of the long-handle sleeve (3) along the axis direction, a long-handle gear shaft (33) matched with the second mounting hole is installed in the second mounting hole in a matched mode, a gear portion of the long-handle gear shaft (33) is arranged outside the front end of the long-handle sleeve (3), a shaft portion is in clearance fit with the second mounting hole, and the rear end of the long-handle gear shaft (33) extends out of the rear end of the long-handle sleeve (3);

the angle adjusting assembly comprises two short handle connecting pieces (11) symmetrically arranged at the upper end of the short handle sleeve (1) and two long handle connecting pieces (31) symmetrically arranged at the front end of the long handle sleeve (3), the two short handle connecting pieces (11) correspond to the two long handle connecting pieces (31), the two short handle connecting pieces (11) are respectively arranged at the inner sides of the two long handle connecting pieces (31), the short handle connecting pieces (11) are rotatably connected with the long handle connecting pieces (31) through a rotating shaft, and one end of the rotating shaft is in threaded connection with a locking nut (2);

the rotating shaft is sleeved with a transmission gear (21), and the transmission gear (21) is respectively meshed with the gear part of the short-handle gear shaft (14) and the gear part of the long-handle gear shaft (33).

2. The multifunctional screwdriver of claim 1, wherein: the lower extreme of short handle gear shaft (14) has seted up the interior hexagonal recess, interior hexagonal recess fit in installs strong magnet (16), the below adsorption of strong magnet (16) has tool bit (15).

3. The multifunctional screwdriver of claim 1, wherein: the rear end of the long-handle gear shaft (33) is sleeved with a wrench connecting piece (43), the wrench connecting piece (43) is connected with a wrench (4) through a bolt (41) rotating wheel, and the end part of the bolt (41) is connected with a nut (42) through threads.

4. The multifunctional screwdriver of claim 3, wherein: and a magnet (44) is arranged on the inner side of the wrench (4).

5. The multifunctional screwdriver of claim 3, wherein: the rear end of the long handle sleeve (3) is provided with a wrench accommodating groove matched with the wrench (4).

6. The multifunctional screwdriver of claim 1, wherein: the two short handle connecting pieces (11) are provided with a shell A (12) in a matching way, and the two long handle connecting pieces (31) are provided with a shell B (32) in a matching way.

7. The multifunctional screwdriver of claim 1, wherein: and the short handle connecting piece (11) and the long handle connecting piece (31) are fixedly arranged on the short handle sleeve (1) and the long handle sleeve (3) through screws (13) respectively.