Screwdriver convenient for replacing screwdriver head

Abstract

The utility model relates to the technical field of hardware tools, in particular to a screwdriver with a screwdriver bit convenient to replace, which comprises a handle, a sleeve rod, a magnetic screwdriver bit seat and a magnetic attraction screwdriver bit A. A boss is integrally formed at the top of the handle, a baffle ring is sleeved outside the boss, a through groove is arranged on the surface of the baffle ring, and a magnetic attraction screwdriver bit B is movably arranged in a containing groove. The sleeve rod is fixed to the bottom of the handle, a square groove hole is formed in the bottom of the sleeve rod, a plurality of hemispherical holes are vertically formed in the surface of the inner wall of the square groove hole at equal intervals, the magnetic screwdriver bit seat is embedded below the sleeve rod, and the magnetic attraction screwdriver bit A is magnetically attracted to the bottom of the magnetic block. According to the technical scheme, the through groove of the baffle ring is rotated to be aligned with the containing groove, the magnetic attraction screwdriver blade B can be conveniently poured out for replacement, when the through groove is rotated to be staggered with the containing groove, the magnetic attraction screwdriver blade B can be conveniently and safely stored, the magnetic attraction screwdriver blade B can be conveniently and rapidly switched, and therefore the magnetic attraction screwdriver is suitable for different kinds of work.

Description

Technical Field

[0001] The utility model relates to the technical field of hardware tools, in particular to a screwdriver with a convenient replacement of the cutter head. Background Art

[0002] At present, a screwdriver is a tool used to tighten or loosen screws. It usually consists of a blade and a handle. Depending on the different types of screws, the shape of the screwdriver blade will also be different, such as flat head, cross head, hexagonal head, etc. When using a screwdriver, you need to insert the blade into the screw slot and rotate the handle with appropriate force. Since there are many types of screwdriver blade shapes, screwdrivers with replaceable blades have been designed, but unused blades need to be installed in a storage box and cannot be integrated with the screwdriver, which is more troublesome to replace. After retrieval, the application number is 202320637465.2, which discloses a magnetic screwdriver, a handle, a connecting rod, a screwdriver head and a magnetic suction group cooperate with each other, and a magnetic suction group with magnetism is set on the handle and the connecting rod to connect the screwdriver head and the connecting rod and the handle and the connecting rod.

[0003] In the process of realizing the utility model, the inventors found that there are at least the following problems in the prior art that have not been solved; the above-mentioned screwdriver structure is provided with a receiving groove at the handle for accommodating screwdriver bits of different models, but there are the following defects or inconveniences when taking out the screwdriver bits: first, the receiving groove is closed by a baffle, and the baffle is in a mosaic manner. Although it ensures the flatness of the handle, it is not convenient to pull out the baffle. Even if the baffle is removed with effort, the cutter head is located deep inside the receiving groove and is limited by magnetic adsorption, and the cutter head cannot be easily pulled out from the receiving groove. Therefore, there is a structural defect that makes it inconvenient to take and put the cutter head when replacing the cutter head, and improvement is urgently needed. Therefore, we propose a screwdriver that is easy to replace the cutter head. Utility Model Content

[0004] The utility model aims to provide a screwdriver with a convenient tool head replacement, thereby solving the problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a screwdriver for conveniently replacing a bit, comprising a handle, a sleeve rod, a magnetic bit seat and a magnetic screwdriver bit A;

[0006] A boss is integrally formed on the top of the handle, a retaining ring is sleeved on the outside of the boss, a through groove is provided on the surface of the retaining ring, a plurality of receiving grooves are provided around the outer surface of the boss, and a magnetic screwdriver head B is movably provided inside the receiving groove;

[0007] The sleeve rod is fixed to the bottom of the handle, and a square slot hole is opened at the bottom of the sleeve rod. A number of hemispherical holes are opened vertically and equidistantly on the inner wall surface of the square slot hole. The magnetic tool head seat is inlaid under the sleeve rod, and a square slot is opened at the bottom of the magnetic tool head seat. A magnetic block is fixed on the top of the inner wall of the square slot. A square column matching the square slot hole is integrally formed on the top of the magnetic tool head seat. An elastic and retractable sphere is arranged on the surface of the square column. The sphere is vertically aligned with the hemispherical hole, and the magnetic screwdriver head A is magnetically adsorbed to the bottom of the magnetic block.

[0008] As a preferred implementation of the technical solution of the present application, a threaded hole is provided on the top surface of the boss, a cover is detachably mounted on the top of the boss, and a threaded column matching the threaded hole is integrally formed on the bottom of the cover.

[0009] As a preferred implementation of the technical solution of the present application, a convex strip is integrally formed on the outer vertical surface of the cover, and the maximum diameter of the cover, the maximum diameter of the retaining ring and the maximum diameter of the handle are all consistent.

[0010] As a preferred implementation of the technical solution of the present application, the diameter of the boss is consistent with the inner diameter of the retaining ring, and the vertical cross-sectional dimension of the through groove is consistent with the vertical cross-sectional dimension of the accommodating groove.

[0011] As a preferred implementation of the technical solution of the present application, a concave hole is opened on the surface of the square column, a spring is fixedly arranged inside the concave hole, and the sphere is embedded in the concave hole and fixedly connected to the spring.

[0012] As a preferred implementation scheme of the technical solution of the present application, the magnetic screwdriver head B is vertically placed inside the accommodating groove, and the magnetic screwdriver head B and the magnetic screwdriver head A are both integrally formed with a metal square column head that matches the square groove.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The technical solution of the present application rotates the through slot of the retaining ring to be aligned with the receiving slot, so as to facilitate the pouring out of the magnetic screwdriver head B for replacement. When the through slot is rotated to be offset from the receiving slot, the magnetic screwdriver head B can be safely stored, and the magnetic screwdriver head can be quickly switched to adapt to different tasks.

[0015] 2. The technical solution of the present application can achieve telescopic cooperation through the sleeve rod and the square column of the magnetic tool head seat, so that the length of the device can be adjusted according to the actual scenario, which is conducive to adapting to the screw turning work of the inner hole with a larger depth. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

[0017] Figure 1 This is a three-dimensional diagram of a screwdriver that is easy to replace the blade head according to the utility model;

[0018] Figure 2 It is a structural schematic diagram of the boss of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the retaining ring of the utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the sealing cover of the utility model;

[0021] Figure 5 This is a schematic diagram of the structure of the magnetic cutter head seat of the utility model;

[0022] Figure 6 It is a cross-sectional view of the sleeve rod of the utility model;

[0023] Figure 7 It is a cross-sectional view of the magnetic cutter head seat of the utility model.

[0024] In the figure: 1. handle; 101. boss; 102. threaded hole; 103. receiving groove; 2. retaining ring; 201. through groove; 3. cover; 4. sleeve rod; 401. square slot hole; 402. hemispherical hole; 5. magnetic tool head seat; 501. square column; 502. sphere; 503. magnetic block; 504. square groove; 6. magnetic screwdriver head A; 7. magnetic screwdriver head B. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0026] Embodiment 1, as Figure 1-7 As shown, the utility model provides a technical solution: a screwdriver for easy replacement of a bit, comprising a handle 1, a sleeve rod 4, a magnetic bit seat 5 and a magnetic screwdriver bit A6;

[0027] A boss 101 is integrally formed on the top of the handle 1, a retaining ring 2 is sleeved on the outside of the boss 101, a through groove 201 is provided on the surface of the retaining ring 2, a plurality of receiving grooves 103 are provided around the outer surface of the boss 101, and a magnetic screwdriver head B7 is movably provided inside the receiving groove 103;

[0028] The sleeve rod 4 is fixed to the bottom of the handle 1, and a square slot hole 401 is opened at the bottom of the sleeve rod 4. A plurality of hemispherical holes 402 are opened vertically and equidistantly on the inner wall surface of the square slot hole 401. The magnetic tool head seat 5 is inlaid and arranged below the sleeve rod 4. A square slot 504 is opened at the bottom of the magnetic tool head seat 5. A magnetic block 503 is fixedly arranged on the top of the inner wall of the square slot 504. A square column 501 matching the square slot hole 401 is integrally formed on the top of the magnetic tool head seat 5. An elastically retractable sphere 502 is arranged on the surface of the square column 501. The sphere 502 is vertically aligned with the hemispherical hole 402, and the magnetic screwdriver head A6 is magnetically adsorbed to the bottom of the magnetic block 503.

[0029] In a specific embodiment of the present invention, different types of magnetic screwdriver bits B7 are placed vertically inside the accommodating groove 103, and then the retaining ring 2 is sleeved on the outside of the boss 101, and the through groove 201 is rotated to be staggered with the accommodating groove 103. At this time, the retaining ring 2 cooperates with the accommodating groove 103 to store the magnetic screwdriver bit B7 and ensure that the magnetic screwdriver bit B7 will not fall off. The retaining ring 2 can be made of transparent polymer plastic material, so that it is easy to intuitively see what type of magnetic screwdriver bit B7 is stored in the accommodating groove 103. Then, the cover 3 is spirally installed on the top of the boss 101. The cover 3 can limit the retaining ring 2 from being easily separated from the boss 101. The square column 501 of the magnetic bit seat 5 is inserted into the square slot hole 401. Due to the square The slot body makes the magnetic tool head seat 5 and the sleeve rod 4 rotate synchronously, and the ball 502 cooperates with the spring to elastically expand and contract. When the square column 501 of the magnetic tool head seat 5 is inserted into the square slot hole 401, the ball 502 adapts and cooperates with the hemispherical hole 402, thereby preventing the magnetic tool head seat 5 from being easily separated from the sleeve rod 4. The bottom of the magnetic tool head seat 5 is provided with a square slot 504 that can be connected to a magnetic screwdriver head A6 or a magnetic screwdriver head B7. The square slot 504 cooperates with the magnetic block 503 to magnetically fix the magnetic screwdriver head A6 or the magnetic screwdriver head B7, thereby realizing the rapid replacement of the magnetic screwdriver head. The sleeve rod 4 and the square column 501 of the magnetic tool head seat 5 can achieve expansion and contraction cooperation, so as to adjust the length of the device according to the actual scenario.

[0030] In the preferred technical solution, a threaded hole 102 is provided on the top surface of the boss 101, a cover 3 is detachably installed on the top of the boss 101, a threaded column matching the threaded hole 102 is integrally formed at the bottom of the cover 3, the maximum diameter of the cover 3, the maximum diameter of the retaining ring 2 and the maximum diameter of the handle 1 are all consistent, and the cover 3 can limit the retaining ring 2 from being easily separated from the boss 101.

[0031] In the preferred technical solution, the outer vertical surface of the cover 3 is integrally formed with convex strips, which can increase the contact friction of the cover 3, thereby facilitating easy rotation of the cover 3.

[0032] In the preferred technical solution, the diameter of the boss 101 is consistent with the inner diameter of the retaining ring 2, and the vertical cross-sectional dimension of the through groove 201 is consistent with the vertical cross-sectional dimension of the receiving groove 103, so that when the through groove 201 is aligned with the receiving groove 103, the magnetic screwdriver head inside the receiving groove 103 can be quickly removed.

[0033] In the preferred technical solution, a concave hole is opened on the surface of the square column 501, and a spring is fixedly installed inside the concave hole. The sphere 502 is embedded in the concave hole and fixedly connected to the spring. The sphere 502 cooperates with the spring to enable the sphere 502 to adaptively telescope, thereby realizing the adjustable relative position of the magnetic tool head seat 5 and the sleeve rod 4.

[0034] In the preferred technical solution, the magnetic screwdriver head B7 is placed vertically inside the accommodating groove 103. The magnetic screwdriver head B7 and the magnetic screwdriver head A6 are both integrally formed with a metal square column head that cooperates with the square groove 504. The metal square column head is convenient for magnetic connection with the magnetic block, and the metal square column head can also be perfectly inlaid and matched with the square groove 504.

[0035] Working principle: in the initial state, the through slot 201 is staggered with the receiving slot 103, and the retaining ring 2 cooperates with the receiving slot 103 to store and protect the magnetic screwdriver head B7. The magnetic screwdriver head A6 is magnetically adsorbed and installed with the magnetic block 503. The magnetic screwdriver head A6 cooperates with the screw head, and then the handle 1 is turned to drive the screw to be loosened or tightened. When the screw is in a deeper inner hole, the magnetic tool head seat 5 can be pulled downward. At this time, the ball 502 adaptively telescopes until the position of the magnetic tool head seat 5 is adjusted. The ball 502 will cooperate with the corresponding hemispherical hole 402, thereby finally extending the installation. When the head of the screw does not match the magnetic screwdriver head A, the matching magnetic screwdriver head B7 is found through the retaining ring 2, and the through slot 201 is rotated to align with the receiving slot 103 corresponding to the magnetic screwdriver head B7. Then, the handle 1 is tilted to quickly pour out the magnetic screwdriver head B7, and then the magnetic screwdriver head A6 is pulled out and replaced with the magnetic screwdriver head B7, and the magnetic screwdriver head A6 is placed in the empty receiving slot 103 for storage, and then the through slot 201 is rotated to be staggered with the receiving slot 103. At this time, the retaining ring 2 cooperates with the receiving slot 103 to store the magnetic screwdriver head A6.

Claims

1. A screwdriver that is easy to replace the bit, characterized in that: It comprises a handle (1), a sleeve rod (4), a magnetic bit holder (5) and a magnetic screwdriver bit A (6); The handle (1) has an integrally formed boss (101) on the top, a retaining ring (2) is sleeved on the outside of the boss (101), a through groove (201) is provided on the surface of the retaining ring (2), a plurality of receiving grooves (103) are provided around the outer surface of the boss (101), and a magnetic screwdriver head B (7) is movably provided inside the receiving groove (103); The sleeve rod (4) is fixed to the bottom of the handle (1), and a square slot hole (401) is provided at the bottom of the sleeve rod (4). A plurality of hemispherical holes (402) are vertically and equidistantly provided on the inner wall surface of the square slot hole (401). The magnetic tool head seat (5) is inlaid below the sleeve rod (4), and a square slot (504) is provided at the bottom of the magnetic tool head seat (5). A magnetic block (503) is fixedly provided on the top of the inner wall of the square slot (504). A square column (501) matching the square slot hole (401) is integrally formed on the top of the magnetic tool head seat (5), and an elastically retractable sphere (502) is provided on the surface of the square column (501). The sphere (502) is vertically aligned with the hemispherical hole (402), and the magnetic screwdriver head A (6) is magnetically adsorbed on the bottom of the magnetic block (503).

2. A screwdriver for easily replacing a bit according to claim 1, characterized in that: A threaded hole (102) is provided on the top surface of the boss (101), a cover (3) is detachably mounted on the top of the boss (101), and a threaded column matching the threaded hole (102) is integrally formed on the bottom of the cover (3).

3. A screwdriver for easily replacing a bit according to claim 2, characterized in that: The outer vertical surface of the cover (3) is integrally formed with a convex strip, and the maximum diameter of the cover (3), the maximum diameter of the retaining ring (2) and the maximum diameter of the handle (1) are all consistent.

4. A screwdriver with easy-to-replace bit according to claim 1, characterized in that: The diameter of the boss (101) is consistent with the inner diameter of the retaining ring (2), and the vertical cross-sectional dimension of the through groove (201) is consistent with the vertical cross-sectional dimension of the accommodating groove (103).

5. The screwdriver with easy-to-replace bit according to claim 1, characterized in that: A concave hole is provided on the surface of the square column (501), a spring is fixedly arranged inside the concave hole, and the sphere (502) is embedded in the concave hole and fixedly connected to the spring.

6. A screwdriver with easy-to-replace bit according to claim 1, characterized in that: The magnetic screwdriver head B (7) is vertically placed inside the accommodating groove (103), and the magnetic screwdriver head B (7) and the magnetic screwdriver head A (6) are both integrally formed with a metal square column head that matches the square groove (504).

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