Rotary switching type multi-head screwdriver

Abstract

The utility model discloses a rotary switching type multi-head screwdriver which comprises a shell, a screwdriver body and a fixed base, the screwdriver body is arranged in the shell, the bottom end of the shell is fixedly connected with the fixed base, and the rotary switching type multi-head screwdriver further comprises a rotary column body. According to the rotary switching type multi-head screwdriver, the screwdriver body on the movable column rotates along with the rotary switching type multi-head screwdriver, when a proper screwdriver body is selected, the screwdriver body is picked out from the groove in the surface of the movable column, the screwdriver body and the rotating piece rotate around the fixed shaft, the screwdriver body is taken out from the limiting groove, and the screwdriver body is taken out from the movable column. And the rotating piece is attracted to the positioning magnet, meanwhile, the limiting column is clamped into the limiting groove, rotation of the movable column is limited, at the moment, the screwdriver body stands at the center of the movable column, and the screwdriver body can be used.

Description

Technical Field

[0001] The utility model relates to the technical field of multi-head screwdrivers, in particular to a rotary switchable multi-head screwdriver. Background Art

[0002] A multi-head screwdriver is a tool specially used to tighten or loosen screws of multiple head types. However, when using existing multi-head screwdrivers, it is found that there are dozens or even hundreds of types of screwdriver bits in use, and they are separated from the screwdriver blade. When using, the bit needs to be selected each time and installed on the blade before the screwdriver can be used. In actual use, only a few types of bits are often used. Selecting the required bits from dozens of bits and then assembling them is not only cumbersome, but also in actual work, the staff often need to select the screwdriver while performing other operations. The existing screwdriver bit selection cannot be completed with one hand, which affects the operator's quick selection of the screwdriver bit during the work process. Utility Model Content

[0003] The utility model aims to provide a rotary switchable multi-head screwdriver to solve the problem in the above background technology that the selection and installation of the screwdriver heads are complicated and the screwdriver heads cannot be quickly selected during the working process.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a rotary switchable multi-head screwdriver, comprising a housing, a screwdriver body and a fixed base, wherein the screwdriver body is arranged inside the housing, the bottom end of the housing is fixedly connected to the fixed base, and further comprising a rotating cylinder, wherein the inner side of the housing is provided with the rotating cylinder;

[0005] The rotating column comprises a movable column, an external gear, a rotating member, a fixed shaft and a limiting column, the bottom end of the movable column is movably mounted on the fixed base, an external gear is arranged on the outer side of one end of the movable column close to the fixed base, a rotating member is arranged on the top of the movable column, the rotating member is penetrated by the fixed shaft, and the bottom end of the rotating member is fixedly connected to the screwdriver body, the fixed shaft and the movable column are fixedly connected, and the end of the rotating member away from the screwdriver body is fixedly connected to the limiting column;

[0006] The shell comprises a limiting groove, which is opened at one end of the shell away from the fixed base, and the width of the limiting groove is the same as the diameter of the limiting column.

[0007] Preferably, the rotating cylinder further comprises a balancing convex plate, and the balancing convex plate is provided at one end of the movable column away from the fixed base, and the balancing convex plate is fixedly connected to the movable column.

[0008] Preferably, the shell further includes a semi-wrapping frame, and the semi-wrapping frame wraps the screwdriver body and the movable column.

[0009] Preferably, a positioning magnet is provided at the top of the movable column, the positioning magnet is fixedly connected to the movable column, and the positioning magnet and the rotating member are attracted to each other.

[0010] Preferably, a groove is provided on the surface of the movable column, an adsorption magnet is provided inside the groove, and the screwdriver body is placed in the groove on the surface of the movable column.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] The utility model discloses a rotary switchable multi-head screwdriver, which stores the multi-head screwdriver body through a semi-wrapped frame, and when the screwdriver body is not in use, it is adsorbed on the movable column through an adsorption magnet to prevent the position of the screwdriver body from moving at will; by rotating the movable column with one hand, the frequently used types of screwdrivers can be quickly selected and switched, and the worker can complete the selection of the screwdriver head with only one hand during the work process, thereby improving the work efficiency of the worker when using; the screwdriver is rotated and taken out from the limiting groove, and then the limiting column is clamped in the limiting groove for limiting, thereby preventing the screwdriver from shaking when in use; finally, when the screwdriver is in use, the rotating part and the screwdriver body are adsorbed by the positioning magnet to prevent the rotating part from shaking on the fixed shaft, thereby improving the stability of the screwdriver body when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a front view of the utility model as a whole;

[0014] Figure 2 It is a structural schematic diagram of the rotating cylinder of the utility model;

[0015] Figure 3 It is a structural schematic diagram of the rotating part of the utility model;

[0016] Figure 4 It is a structural schematic diagram of the housing of the utility model;

[0017] Figure 5 It is a top schematic diagram of the utility model as a whole.

[0018] In the figure: 1. outer shell; 11. half-wrapped frame; 12. limit groove; 2. rotating cylinder; 21. movable column; 22. external gear; 23. rotating part; 24. fixed shaft; 25. limit column; 26. balancing convex plate; 27. positioning magnet; 3. screwdriver body; 4. fixed base. DETAILED DESCRIPTION

[0019] 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 implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0020] See also Figure 1-4 A rotary switchable multi-head screwdriver comprises a shell 1, a screwdriver body 3 and a fixed base 4. The screwdriver body 3 is arranged inside the shell 1. The screwdriver body 3 is provided with four or six screwdriver bodies in total to meet the needs of commonly used screwdriver bits. The bottom end of the shell 1 is fixedly connected to the fixed base 4. It also comprises a rotating cylinder 2. The inner side of the shell 1 is provided with a rotating cylinder 2. The rotating cylinder 2 comprises a movable column 21, an external gear 22, a rotating member 23, a fixed shaft 24 and a limiting column 25. The bottom end of the movable column 21 is movably installed on the fixed base 4. The outer side of the movable column 21 close to the fixed base 4 is provided with an external gear 22. The top of the movable column 21 is provided with a rotating member 23. The rotating member 23 is penetrated by the fixed shaft 24, and the rotating member 2 The bottom end of 3 is fixedly connected with the screwdriver body 3, the fixed shaft 24 is fixedly connected with the movable column 21, the end of the rotating member 23 away from the screwdriver body 3 is fixedly connected with the limiting column 25, the screwdriver body 3 rotates around the fixed shaft 24 together with the rotating member 23, the screwdriver body 3 is taken out from the limiting groove 12, the screwdriver body 3 stands at the center of the movable column 21, the rotating member 23 is adsorbed on the positioning magnet 27, the screwdriver body 3 can be used, the shell 1 includes a limiting groove 12, the limiting groove 12 is opened at the end of the shell 1 away from the fixed base 4, and the width of the limiting groove 12 is the same as the diameter of the limiting column 25, the limiting column 25 can be inserted into the limiting groove 12 to limit the rotation of the movable column 21.

[0021] Furthermore, the rotating column 2 also includes a balancing protrusion 26. A balancing protrusion 26 is provided at one end of the movable column 21 away from the fixed base 4, and the balancing protrusion 26 is fixedly connected to the movable column 21. The balancing protrusion 26 is inserted into the docking groove on the inner side of the semi-wrapped frame 11 to keep the movable column 21 balanced and stable during rotation.

[0022] Furthermore, the housing 1 also includes a semi-wrapping frame 11, which wraps the screwdriver body 3 and the movable column 21. The semi-wrapping frame 11 is made of a transparent plastic material, which is convenient for operators to select the screwdriver body 3 inside.

[0023] Furthermore, a positioning magnet 27 is provided at the top of the movable column 21. The positioning magnet 27 is fixedly connected to the movable column 21, and the positioning magnet 27 and the rotating part 23 are attracted to each other. After the positioning magnet 27 attracts the rotating part 23, the rotating part 23 can be placed to drive the screwdriver body 3 to shake at will.

[0024] Furthermore, a groove is provided on the surface of the movable column 21, and an adsorption magnet is provided inside the groove. Meanwhile, the screwdriver body 3 is placed in the groove on the surface of the movable column 21. When the screwdriver body 3 needs to be used, the screwdriver body 3 is picked out from the groove.

[0025] Working principle: The utility model is a rotary switching multi-head screwdriver. When in use, the required type of screwdriver body 3 is observed through the transparent semi-wrapped frame 11, and then the movable column 21 is driven to rotate by turning the outer gear 22, and the screwdriver body 3 on the movable column 21 rotates accordingly. When a suitable screwdriver body 3 is selected, the screwdriver body 3 is picked out from the groove on the surface of the movable column 21, and the screwdriver body 3 is rotated around the fixed axis 24 together with the rotating part 23, and the screwdriver body 3 is taken out from the limiting groove 12, and the rotating part 23 is adsorbed on the positioning magnet 27, and the limiting column 25 is inserted into the limiting groove 12 at the same time to limit the rotation of the movable column 21. At this time, the screwdriver body 3 stands at the center of the movable column 21, and the screwdriver body 3 can be used.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rotary switchable multi-head screwdriver, comprising a housing (1), a screwdriver body (3) and a fixed base (4), wherein the screwdriver body (3) is provided inside the housing (1), and the bottom end of the housing (1) is fixedly connected to the fixed base (4), characterized in that: It also comprises a rotating cylinder (2), wherein the rotating cylinder (2) is provided on the inner side of the housing (1); The rotating column (2) comprises a movable column (21), an external gear (22), a rotating member (23), a fixed shaft (24) and a limiting column (25); the bottom end of the movable column (21) is movably mounted on the fixed base (4); the outer side of the movable column (21) close to the fixed base (4) is provided with an external gear (22); the top end of the movable column (21) is provided with a rotating member (23); the rotating member (23) is penetrated by the fixed shaft (24); the bottom end of the rotating member (23) is fixedly connected to the screwdriver body (3); the fixed shaft (24) and the movable column (21) are fixedly connected; and the end of the rotating member (23) away from the screwdriver body (3) is fixedly connected to the limiting column (25); The housing (1) comprises a limiting groove (12), the limiting groove (12) being provided at an end of the housing (1) away from the fixed base (4), and the width of the limiting groove (12) being the same as the diameter of the limiting column (25).

2. The rotary switchable multi-head screwdriver according to claim 1, characterized in that: The rotating cylinder (2) further comprises a balancing convex plate (26); an end of the movable column (21) away from the fixed base (4) is provided with the balancing convex plate (26); and the balancing convex plate (26) is fixedly connected to the movable column (21).

3. The rotary switchable multi-head screwdriver according to claim 1, characterized in that: The housing (1) further comprises a semi-wrapping frame (11), wherein the semi-wrapping frame (11) wraps the screwdriver body (3) and the movable column (21).

4. The rotary switchable multi-head screwdriver according to claim 1, characterized in that: A positioning magnet (27) is provided at the top end of the movable column (21); the positioning magnet (27) and the movable column (21) are fixedly connected, and the positioning magnet (27) and the rotating member (23) are attracted to each other.

5. The rotary switchable multi-head screwdriver according to claim 1, characterized in that: The surface of the movable column (21) is provided with a groove, the interior of the groove is provided with an adsorption magnet, and the screwdriver body (3) is placed in the groove on the surface of the movable column (21).

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