CN210678509U - Push type multipurpose screwdriver - Google Patents

Abstract

The utility model provides a pressing type multipurpose screwdriver, which comprises a pressing component, a screwdriver body and a rotating wheel tool changing part, wherein the pressing component is arranged in the screwdriver body, a pressing rod in the pressing component extends out by pressing the pressing component once, and the pressing rod in the pressing component contracts by pressing the pressing component again; the cutter body is provided with a rotatable rotating wheel cutter changing component; a plurality of screwdrivers capable of moving along the axial direction are uniformly distributed in the rotating wheel tool changing part, and the screwdrivers can move along the axial direction to extend out of the tool body through the stretching of the press rod. The utility model discloses only need rotatory tool changing runner to required tool bit position, just can normal use, simplified the operation of tool changing.

Description

Push type multipurpose screwdriver

Technical Field

The utility model relates to a repair tools field, in particular to push type multipurpose screwdriver.

Background

The screwdriver on the market at the present stage has three types, the first type is a fixed screwdriver with a non-replaceable screwdriver head, the screwdriver head and the screwdriver body are integrated, the screwdriver has the advantages of reliable work, difficult damage and suitability for occasions with single screw types, and the defect that the whole screwdriver is scrapped if the screwdriver head is damaged, so that the resource waste is caused, and a plurality of screwdrivers are required to be used simultaneously when parts with various types of screws needing to be disassembled and installed are faced, the cost is increased, and the working efficiency is reduced. The second type is the screwdriver that can change the tool bit through pulling out and inserting, tool bit and blade are two independent advantages and have realized changing with the screwdriver tool bit, have improved work production efficiency, can continue to use through only changing the tool bit that has damaged, and its shortcoming needs to carry many tool bits in addition, causes the tool bit loss of putting outward easily and need the repeated tool bit of pulling out and inserting when the part that has the screw of multiple model needs to be dismantled and install in the face of, has brought the inconvenience for the operator. The third type is an electric screwdriver, which has the advantages of labor saving, high efficiency, higher cost, larger volume, difficult carrying, larger dependence on power supply and more trouble for replacing the screwdriver head.

Disclosure of Invention

To exist not enough among the prior art, the utility model provides a push type multipurpose screwdriver only needs rotatory tool changing runner to required tool bit position, just can normal use, has simplified the operation of tool changing.

The utility model discloses a realize above-mentioned technical purpose through following technological means.

A push type multipurpose screwdriver comprises a push type component, a screwdriver body and a turning wheel tool changing part, wherein the push type component is arranged in the screwdriver body, a push rod in the push type component extends out by pressing the push type component once, and the push rod in the push type component shrinks by pressing the push type component again; the cutter body is provided with a rotatable rotating wheel cutter changing component; a plurality of screwdrivers capable of moving along the axial direction are uniformly distributed in the rotating wheel tool changing part, and the screwdrivers can move along the axial direction to extend out of the tool body through the stretching of the press rod.

Further, the rotating wheel tool changing part comprises a tool changing rotating wheel upper end cover, a tool changing rotating wheel shell, a long spring and a shaft; the upper part of the tool changing rotating wheel shell is provided with an upper end cover of the tool changing rotating wheel, the tool changing rotating wheel shell is connected with a shaft rotating pair, and two ends of the shaft are fixed on the cutter body; the tool changing rotating wheel shell is uniformly distributed with a plurality of axial guide grooves, each guide groove is internally provided with a screwdriver, and the screwdrivers and the upper end cover of the tool changing rotating wheel are provided with long springs for resetting the screwdrivers.

Further, a supporting platform is arranged at the top of the screwdriver, and external force is applied to the supporting platform through a rod to enable the screwdriver to move axially; a semicircular ring is arranged on the supporting platform and connected with one end of the long spring; the screwdriver is characterized in that a conical limiting platform is arranged on the screwdriver body and matched with a triangular groove in the bottom of the screwdriver body, and the conical limiting platform is used for preventing the screwdriver from rotating.

Further, a plurality of convex hemispheroids are arranged on the upper end cover of the tool changing rotating wheel, hemispherical grooves corresponding to the hemispheroids are arranged on the tool body, and when the upper end cover of the tool changing rotating wheel is rotated to enable the hemispheroids to be located in the hemispherical grooves, the screwdriver is located at the position where the pressing rod moves axially.

Further, a belleville spring is arranged between the bottom of the tool changing rotating wheel shell and the tool body and penetrates through the shaft.

Further, still include blade lid, blade lid passes through the buckle and is connected with the blade for install the snap assembly.

The beneficial effects of the utility model reside in that:

1. push type multipurpose screwdriver, its screw that can be applicable to multiple model only needs rotatory tool changing runner to required tool bit position, just can normal use, has simplified the operation of tool changing.

2. Push type multipurpose screwdriver, the user can also replace or change the tool bit that has worn and torn in the demand of oneself in to tool changing runner, practiced thrift the cost.

Drawings

Fig. 1 is a structure view of the push type multipurpose screwdriver of the present invention.

Fig. 2 is a structure diagram of the inside of the knife body of the present invention.

Fig. 3 is a structure diagram of the runner tool changing part of the present invention.

Fig. 4 is a structure view of the screwdriver of the present invention.

Fig. 5 is a partial cross-sectional view of the present invention.

In the figure:

1-pressing head; 2-a blade body; 3-a blade cover; 4-a runner tool changing component; 5-a screwdriver; 6-axis; 7-hemisphere; 8-the upper end cover of the tool changing rotating wheel; 9-tool changing runner shell; 10-long spring; 11-a support platform; 12-a tapered limiting platform; 13-a snap assembly; 14-a snap groove; 15-short spring; 16-press studs; 17-a triangular groove; 18-well; 19-a guide groove; 20-semicircular ring; 21-a belleville spring; 22-a threaded hole; 23-hemispherical recess.

Detailed Description

The invention will be further described with reference to the drawings and the following examples, but the scope of the invention is not limited thereto.

As shown in fig. 1 and 2, the utility model discloses a push type multipurpose screwdriver, including pressing subassembly 13, blade 2 and runner tool changing part 4, blade 2 is inside to be equipped with pressing subassembly 13, pressing subassembly 13 is similar to the inside structure of pressing of ballpoint, and this part has been the standardized product totally for prior art. Briefly described, the structure of the knock assembly 13 includes a knock rod 1, a knock rod 16 and a groove for limiting the knock rod, the groove for limiting the knock rod is formed in the blade 2, the knock rod is located in the groove, the knock rod 1 is installed above the knock rod, one end of the short spring 15 is in contact with the end surface of the middle shoulder of the knock rod 16 to provide an upward elastic force to the knock rod 16, and the other end of the short spring 15 is in contact with the lower end surface of the middle groove of the blade 2 to limit the short spring 15. The knock rod 16 is extended by pressing the knock head 1 once, and the knock rod 16 is contracted by pressing the knock head 1 again. The specific mounting structure of the snap assembly 13 is conventional and will not be described herein. A rotatable rotary wheel tool changing component 4 is arranged on the tool body 2; a plurality of screwdrivers 5 capable of moving along the axial direction are uniformly distributed in the rotary wheel tool changing part 4, and the screwdrivers 5 can move along the axial direction to extend out of the tool body 2 through the expansion of the press rod 16. Four buckling grooves 14 are formed in the side face of the upper portion of the knife body 2, and the knife body cover 3 is connected with the knife body 2 through buckles and used for installing the pressing component 13.

As shown in fig. 3, the blade changing part 4 comprises a blade changing rotor upper end cover 8, a blade changing rotor shell 9, a long spring 10 and a shaft 6; the upper part of the tool changing rotating wheel shell 9 is provided with a tool changing rotating wheel upper end cover 8, the tool changing rotating wheel shell 9 is connected with a rotating pair of the shaft 6, and the tool changing rotating wheel shell 9 rotates between 0 and 360 degrees around the shaft 6 when in use; one end of the shaft 6 is fixed in a threaded hole 22 on the cutter body 2, and the other end of the shaft 6 passes through the hole 18; the threaded hole 22 and the hole 18 are respectively arranged on the knife body 2. The tool changing rotating wheel shell 9 is uniformly distributed with a plurality of axial guide grooves 19, each screwdriver 5 is placed in each guide groove 19, and the screwdrivers 5 and the upper end covers 8 of the tool changing rotating wheel are provided with long springs 10 for resetting the screwdrivers 5.

As shown in fig. 4, the top of the screwdriver 5 is provided with a support platform 11, and an external force is applied to the support platform 11 through a press stud 16 for axially moving the screwdriver 5; a semicircular ring 20 is arranged on the supporting platform 11, and the semicircular ring 20 is connected with one end of the long spring 10; the screwdriver body of the screwdriver 5 is provided with a conical limiting platform 12, and the conical limiting platform 12 is matched with a triangular groove 17 at the bottom of the screwdriver body 2 and used for preventing the screwdriver 5 from rotating.

As shown in fig. 5, a plurality of convex hemispheroids 7 are arranged on the upper end cover 8 of the tool changing rotating wheel, hemispherical grooves 23 corresponding to the hemispheroids 7 one by one are arranged on the tool body 2, and when the upper end cover 8 of the tool changing rotating wheel is rotated to enable the hemispheroids 7 to be located in the hemispherical grooves 23, the screwdriver 5 is located at a position where the pressing rod 16 moves axially. A belleville spring 21 is arranged between the bottom of the tool changing rotating wheel shell 9 and the tool body 2, and the belleville spring 21 penetrates through the shaft 6. Generally, the positions of the hemispheroids 7 correspond to the guide grooves 19 one by one, the hemispheroids 7 are separated from the hemispherical grooves 23 by pressing the tool changing rotating wheel shell 9 to compress the belleville springs 21, so that the tool changing rotating wheel shell 9 can be rotated, when tool changing is completed, the tool changing rotating wheel shell 9 is loosened, the belleville springs 21 are reset to press the tool changing rotating wheel shell 9, and the hemispheroids 7 are located in the hemispherical grooves 23.

The utility model discloses an use including following several steps of operation:

firstly, pressing down the pressing head 1 to contract the pressing rod 16, and resetting the long spring 10 to drive the screwdriver 5 to move upwards along the guide groove 19 until the screwdriver 5 completely enters the guide groove 19;

secondly, pressing the tool changing turning wheel shell 9 to compress the belleville spring 21, enabling the hemispheroid 7 to be separated from the hemispherical groove 23, rotating the tool changing turning wheel shell 9 to a required screwdriver 5 around the shaft 6, loosening the tool changing turning wheel shell 9, and clamping the corresponding hemispheroid 7 into the hemispherical groove 23;

thirdly, pressing down the press head 1 again to enable the press rod 16 to push the supporting platform 11 to drive the screwdriver 5 to move downwards along the guide groove 19 until the conical limiting platform 12 is completely matched with the triangular groove 17;

and fourthly, finishing the tool changing operation, and repeating the steps if the tool is required to be changed continuously.

The embodiment is a preferred embodiment of the present invention, but the present invention is not limited to the above embodiment, and any obvious improvement, replacement or modification which can be made by those skilled in the art without departing from the essence of the present invention belongs to the protection scope of the present invention.

Claims (6)

1. A pressing type multipurpose screwdriver is characterized by comprising a pressing component (13), a blade body (2) and a rotating wheel tool changing part (4), wherein the pressing component (13) is arranged in the blade body (2), a pressing rod (16) in the pressing component (13) extends out by pressing the pressing component (13) once, and the pressing rod (16) in the pressing component (13) contracts by pressing the pressing component (13) again; a rotatable rotating wheel tool changing component (4) is arranged on the tool body (2); a plurality of screwdrivers (5) capable of moving along the axial direction are uniformly distributed in the rotating wheel tool changing part (4), and the screwdrivers (5) can move along the axial direction to extend out of the tool body (2) through the extension and contraction of the press rod (16).

2. The push type multipurpose screwdriver according to claim 1, wherein the tool changing wheel (4) comprises an upper end cap (8) of the tool changing wheel, a housing (9) of the tool changing wheel, a long spring (10) and a shaft (6); the upper part of the tool changing rotating wheel shell (9) is provided with a tool changing rotating wheel upper end cover (8), the tool changing rotating wheel shell (9) is connected with a rotating pair of a shaft (6), and two ends of the shaft (6) are fixed on the cutter body (2); the tool changing rotating wheel is characterized in that a plurality of axial guide grooves (19) are uniformly distributed in the tool changing rotating wheel shell (9), each screwdriver (5) is placed in each guide groove (19), and long springs (10) are installed on the screwdrivers (5) and the upper end cover (8) of the tool changing rotating wheel and used for resetting the screwdrivers (5).

3. The push type multipurpose screwdriver as claimed in claim 2, wherein the screwdriver (5) is provided with a supporting platform (11) at the top, and an external force is applied to the supporting platform (11) through a push rod (16) for axially moving the screwdriver (5); a semicircular ring (20) is arranged on the supporting platform (11), and the semicircular ring (20) is connected with one end of the long spring (10); the screwdriver body of screwdriver (5) is equipped with spacing platform of toper (12), spacing platform of toper (12) with triangular groove (17) cooperation of blade (2) bottom for prevent screwdriver (5) rotation.

4. The push type multipurpose screwdriver according to claim 2, wherein a plurality of hemispheres (7) are protruded from the upper end cover (8) of the tool changing wheel, a hemispherical groove (23) corresponding to the hemispheres (7) is formed in the screwdriver body (2), and when the upper end cover (8) of the tool changing wheel is rotated to enable the hemispheres (7) to be positioned in the hemispherical groove (23), one screwdriver (5) is positioned at the position where the pressing rod (16) moves axially.

5. The push type multipurpose screwdriver as claimed in claim 4, wherein a belleville spring (21) is arranged between the bottom of the tool changing wheel housing (9) and the screwdriver body (2), and the belleville spring (21) passes through the shaft (6).

6. The push type multipurpose screwdriver as claimed in claim 1, further comprising a blade cover (3), wherein the blade cover (3) is connected with the blade (2) by a snap for installing the pressing member (13).

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