Screwdriver with replaceable tool bit

Abstract

The utility model relates to the technical field of screwdrivers, and discloses a screwdriver with a replaceable tool bit, which comprises a grab handle and the tool bit, the grab handle and the tool bit are correspondingly provided with a fixing mechanism used for quickly dismounting and mounting the tool bit, the fixing mechanism comprises a fixing component and a limiting component, the fixing component is used for butt joint of the grab handle and the tool bit, and the limiting component is used for limiting the tool bit. The limiting assembly is used for limiting the grab handle and the tool bit. When the tool bit needs to be replaced, the tool bit is taken out by rotating the bolt, the tool bit is pulled out, when the tool bit is replaced, the corresponding protruding part of the limiting groove is inserted, the installation column is inserted into the installation hole, the bolt is inserted into the first through hole, the second through hole and the fixing hole, fastening is completed through the nut, and replacement can be completed. The tool bits of different models can be replaced conveniently, economic expenditure is reduced, people can use the tool conveniently, and the working efficiency of people is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of screwdrivers, in particular to a screwdriver with a detachable and replaceable cutter head. Background Art

[0002] At present, a screwdriver is a tool used to turn a screw to force it into place, usually with a thin wedge-shaped head that can be inserted into the slot or recess of the screw head. There are mainly two types: flat-head and cross-head. There are also common hexagonal screwdrivers, including internal hexagon and external hexagon.

[0003] The existing screwdriver cannot replace the screwdriver head. When the user needs to use different screwdrivers, the user has to prepare a large number of screwdrivers, which increases the user's economic expenditure, brings inconvenience to the user, reduces the practicality of the existing screwdriver, and reduces the user's work efficiency. Utility Model Content

[0004] In order to solve the technical problem that the screwdriver head cannot be replaced and the user needs to prepare a large number of screwdrivers when using different screwdrivers, which reduces the practicality of the existing screwdrivers and reduces the user's work efficiency, the utility model provides a screwdriver with a detachable screwdriver head.

[0005] The utility model is implemented by the following technical scheme: a screwdriver with a detachable blade, comprising a handle and a blade, wherein the handle and the blade are provided with fixing mechanisms corresponding to the blade for quick disassembly and assembly of the blade, wherein the fixing mechanism comprises a fixing assembly and a limiting assembly, wherein the fixing assembly is used for docking the handle with the blade, and the limiting assembly is used for limiting the position of the handle and the blade.

[0006] As a further improvement of the above solution, the fixing assembly includes a positioning hole opened at the top of the handle and a mounting hole opened at the bottom of the cutter head, and a mounting column corresponding to the mounting hole is fixedly connected inside the positioning hole.

[0007] Through the above technical solution, when installing, the cutter head can be inserted into the handle to complete the docking. When replacing or removing, it can be directly pulled out, which speeds up work efficiency.

[0008] As a further improvement of the above solution, the limiting assembly includes a limiting groove opened on the outer side of the bottom of the cutter head and a protrusion arranged on the inner wall of the positioning hole, and the protrusion and the limiting groove are arranged correspondingly.

[0009] Through the above technical solution, the protrusion is inserted into the limiting groove to complete the limiting, thereby preventing the cutter head from rotating when the cutter head is used to tighten the screw, thereby affecting the work.

[0010] As a further improvement of the above solution, a second through hole is formed inside the handle, a first through hole corresponding to the second through hole is formed at the bottom of the blade head, and the first through hole passes through the mounting hole.

[0011] As a further improvement of the above solution, a fixing hole corresponding to the first through hole and the second through hole is opened inside the mounting column, and bolts penetrate inside the first through hole, the second through hole and the fixing hole.

[0012] Through the above technical solution, the handle is connected to the cutter head by using bolts, which further enhances the fixing and limiting effect, and is beneficial to increasing the service life of the cutter head.

[0013] As a further improvement of the above solution, a nut corresponding to the bolt is provided on one side of the handle, and an anti-slip cover is provided on the surface of the handle.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] The utility model can be used to replace the cutter head by rotating the bolt to take it out and pulling out the cutter head. When replacing the cutter head, the corresponding convex part of the limit groove is inserted, the mounting column is inserted into the mounting hole, the bolt is inserted into the first through hole, the second through hole and the fixing hole, and the replacement is completed by fastening with the nut. The design has a simple structure and is easy to operate. It is easy to replace cutter heads of different models, reduces economic expenditure, is convenient for people to use, and improves people's work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the structure of the cutter head of the utility model;

[0018] Figure 3 This is a schematic diagram of the handle structure of the utility model.

[0019] Description of main symbols:

[0020] 1. Handle; 2. Blade head; 3. Limiting groove; 4. First through hole; 5. Mounting hole; 6. Positioning hole; 7. Mounting column; 8. Protrusion; 9. Second through hole; 10. Fixing hole; 11. Bolt; 12. Nut; 13. Anti-slip cover. DETAILED DESCRIPTION

[0021] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that, under the premise of no conflict, the various embodiments or technical features described below can be arbitrarily combined to form a new embodiment.

[0022] Example:

[0023] Please combine Figure 1 - Figure 3 A screwdriver with a replaceable blade head in this embodiment includes a handle 1 and a blade head 2. The handle 1 and the blade head 2 are provided with fixing mechanisms corresponding to the handle 1 and the blade head 2 for quick disassembly and assembly. The fixing mechanism includes a fixing component and a limiting component. The fixing component is used for docking the handle 1 and the blade head 2, and the limiting component is used for limiting the position of the handle 1 and the blade head 2.

[0024] Please combine Figure 2 and Figure 3 The fixing assembly includes a positioning hole 6 opened at the top of the handle 1 and a mounting hole 5 opened at the bottom of the cutter head 2, and a mounting column 7 corresponding to the mounting hole 5 is fixedly connected inside the positioning hole 6.

[0025] When installing, the blade head 2 can be inserted into the handle 1 to complete the docking. When replacing or removing, it can be directly pulled out to speed up the work efficiency.

[0026] Please combine Figure 2 and Figure 3 The limiting assembly includes a limiting groove 3 provided on the outer side of the bottom of the cutter head 2 and a protrusion 8 provided on the inner wall of the positioning hole 6, and the protrusion 8 is provided corresponding to the limiting groove 3.

[0027] The protrusion 8 is inserted into the limiting groove 3 to complete the limiting, thereby preventing the cutter head 2 from rotating when the cutter head 2 is used to tighten the screw, thereby affecting the work.

[0028] Please combine Figure 2 and Figure 3 A second through hole 9 is formed inside the handle 1 , and a first through hole 4 corresponding to the second through hole 9 is formed at the bottom of the blade head 2 . The first through hole 4 runs through the mounting hole 5 .

[0029] Please combine Figure 1 - Figure 3 A fixing hole 10 corresponding to the first through hole 4 and the second through hole 9 is opened inside the mounting column 7, and bolts 11 penetrate the first through hole 4, the second through hole 9 and the fixing hole 10.

[0030] The handle 1 is connected to the cutter head 2 by using the bolt 11 , so as to further enhance the fixing and limiting effect, which is beneficial to prolonging the service life of the cutter head 2 .

[0031] Please combine Figure 1 A nut 12 corresponding to the bolt 11 is disposed on one side of the handle 1 , and an anti-slip cover 13 is provided on the surface of the handle 1 .

[0032] The implementation principle of a screwdriver with a replaceable blade in the embodiment of the present application is as follows: when the blade 2 needs to be replaced, the bolt 11 is rotated to take it out, and the blade 2 is pulled out. When replacing the blade 2, the portion of the limiting groove 3 corresponding to the protrusion 8 is inserted, the mounting column 7 is inserted into the mounting hole 5, and the bolt 11 is inserted into the first through hole 4, the second through hole 9 and the fixing hole 10, and the nut 12 is used to complete the tightening, and the replacement is completed.

[0033] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A screwdriver with a detachable bit, comprising a handle (1) and a bit (2), characterized in that: The handle (1) and the cutter head (2) are provided with fixing mechanisms corresponding to each other, and are used for quick assembly and disassembly of the cutter head (2). The fixing mechanism comprises a fixing component and a limiting component. The fixing component is used for docking the handle (1) and the cutter head (2), and the limiting component is used for limiting the position of the handle (1) and the cutter head (2).

2. A screwdriver with a detachable blade as claimed in claim 1, characterized in that: The fixing assembly comprises a positioning hole (6) formed at the top of the handle (1) and a mounting hole (5) formed at the bottom of the blade head (2); a mounting column (7) corresponding to the mounting hole (5) is fixedly connected inside the positioning hole (6).

3. A screwdriver with a detachable blade as claimed in claim 1, characterized in that: The limiting assembly comprises a limiting groove (3) provided on the outer side of the bottom of the cutter head (2) and a protrusion (8) provided on the inner wall of the positioning hole (6); the protrusion (8) and the limiting groove (3) are provided correspondingly.

4. A screwdriver with a detachable blade as claimed in claim 3, characterized in that: A second through hole (9) is provided inside the handle (1), a first through hole (4) corresponding to the second through hole (9) is provided at the bottom of the blade head (2), and the first through hole (4) passes through the mounting hole (5).

5. A screwdriver with a detachable blade as claimed in claim 2, characterized in that: A fixing hole (10) corresponding to the first through hole (4) and the second through hole (9) is provided inside the mounting column (7), and bolts (11) penetrate the insides of the first through hole (4), the second through hole (9) and the fixing hole (10).

6. A screwdriver with a detachable blade as claimed in claim 1, characterized in that: A nut (12) corresponding to the bolt (11) is provided on one side of the handle (1), and an anti-slip cover (13) is provided on the surface of the handle (1).

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