Screwdriver with screwdriver head convenient to replace

Abstract

The utility model relates to the technical field of screwdrivers, and discloses a screwdriver with a screwdriver blade convenient to replace, which comprises a top iron block, the top of the top iron block is provided with a long groove, the bottom of the top iron block is fixedly provided with a handle iron cylinder, the outer wall of the handle iron cylinder is provided with a rubber handle, and the rubber handle is provided with a screw. A tool bit body is arranged in an inner cavity of the handle iron cylinder, and a ring groove is formed in the outer edge of the top of the tool bit body. The screwdriver head body is movably connected with the handle iron cylinder, the screwdriver head body can be taken out of the handle iron cylinder to be replaced, the fixing piece is arranged in the handle iron cylinder to fix the screwdriver head body, and therefore the problems that most of screwdriver heads and screwdriver handles on existing screwdrivers are integrated, the screwdriver heads and the screwdriver handles cannot be separated, and the screwdriver heads and the screwdriver handles cannot be separated are solved. The problems that in the prior art, when equipment is maintained, only a plurality of screwdrivers can be carried, and the size of the handle of each screwdriver is large, so that the size of a tool kit is large when a maintainer carries a large number of screwdrivers, and the maintainer is inconvenient to move are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to screwdriver technical field, concretely is a screwdriver convenient to replace screwdriver head. BACKGROUND

[0002] Screwdriver is a kind of commonly used tool for screwing screw to make it in place, usually has a thin wedge head, can be inserted into the slot or notch of screw head.

[0003] The head of the existing screwdriver and the handle are mostly integrated, the head and the handle cannot be separated, so when the equipment is maintained, only multiple screwdrivers can be carried, the handle of the screwdriver is relatively large in size, so the maintenance personnel carrying a large number of screwdrivers will lead to the problem that the size of the tool bag is large, thereby causing the maintenance personnel inconvenient to move. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a screwdriver convenient to replace screwdriver head, has the advantages that the head is convenient to disassemble and will not fall off during use, and solves the problems raised in the above background art.

[0005] The utility model provides the following technical scheme: a screwdriver convenient to replace screwdriver head, including top iron block, the top of top iron block is equipped with long slot, the bottom of top iron block is fixedly assembled with handle iron cylinder, the outer wall of handle iron cylinder is installed with rubber handle, the inner chamber of handle iron cylinder is equipped with head body, the outer edge of head body top is equipped with ring groove, the inner wall of long slot is connected with sliding block, the bottom of sliding block is fixedly assembled with connecting rod, the bottom of connecting rod is fixedly assembled with fixed sheet, the top of fixed sheet is equipped with fixed slot.

[0006] As a preferred technical scheme of the utility model, the outer edge of the head body is fixedly assembled with a limiting strip, and the inner wall of the bottom of the handle iron cylinder is provided with a limiting groove.

[0007] As a preferred technical scheme of the utility model, the outer edge of the top iron block is provided with a threaded hole, the inner wall of the threaded hole is provided with a steel ball, and the inner wall of the threaded hole is provided with a supporting spring.

[0008] As a preferred technical scheme of the utility model, the inner wall of the threaded hole is threadedly connected with a fixed bolt, and the supporting spring is located between the steel ball and the fixed bolt.

[0009] As a preferred technical scheme of the utility model, the outer edge of the sliding block is provided with a fixed hole, the outer edge of the sliding block is provided with a mounting groove, and the inner wall of the mounting groove is mounted with a sliding strip.

[0010] As a preferred technical scheme of the utility model, the inner wall of the long groove is provided with a sliding groove, and the sliding strip is slidably connected with the sliding groove.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. The screwdriver with replaceable screwdriver head, the screwdriver head body is movably connected with the handle iron cylinder, so that the screwdriver head body can be taken out from the handle iron cylinder for replacement, and the fixing piece arranged in the handle iron cylinder fixes the screwdriver head body, thereby solving the problem that the screwdriver head and the handle of the existing screwdriver are mostly integrated and cannot be separated, so that the user has to carry multiple screwdrivers when maintaining the equipment, and the handle of the screwdriver is relatively large in size, so that the user has to carry a large number of screwdrivers, thereby causing the tool bag to be large in size and inconvenient for the user to move.

[0013] 2. The screwdriver with replaceable screwdriver head, the steel ball is supported by the supporting spring, so that the steel ball is located in the fixed hole on the sliding block, at this time, the sliding block cannot slide, so that the screwdriver head body cannot be separated from the handle iron cylinder when the screwdriver is twisted, and the screwdriver head body can be stably located in the handle iron cylinder when in use or not in use, thereby solving the problem that the screwdriver head and the handle of the existing split type screwdriver are easily separated when in use. DRAWINGS

[0014] Figure 1 It is a front perspective structure schematic view of the utility model;

[0015] Figure 2 It is a bottom perspective structure schematic view of the utility model;

[0016] Figure 3 It is a screwdriver head body structure schematic view of the utility model;

[0017] Figure 4 It is a cross section structure schematic view of the utility model;

[0018] Figure 5 It is a sliding block structure schematic view of the utility model.

[0019] In the drawing: 1, top iron block; 2, long groove; 3, handle iron cylinder; 31, limiting groove; 4, rubber handle; 5, screwdriver head body; 51, limiting strip; 52, ring groove; 6, sliding block; 61, fixed hole; 62, connecting rod; 63, fixing piece; 64, fixed groove; 7, mounting groove; 8, sliding groove; 9, sliding strip; 10, threaded hole; 11, supporting spring; 12, fixed bolt; 13, steel ball. DETAILED DESCRIPTION

[0020] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0021] Please refer to Figure 1 - Figure 5 A screwdriver convenient to replace the screwdriver head, including top iron block 1, the top of the top iron block 1 is provided with a long slot 2, the bottom of the top iron block 1 is fixedly assembled with a handle iron cylinder 3, the outer wall of the handle iron cylinder 3 is installed with a rubber handle 4, the inner cavity of the handle iron cylinder 3 is provided with a head body 5, the outer edge of the top of the head body 5 is provided with a ring groove 52, the inner wall of the long slot 2 is slidably connected with a sliding block 6, the bottom of the sliding block 6 is fixedly assembled with a connecting rod 62, the bottom of the connecting rod 62 is fixedly assembled with a fixed sheet 63, the top of the fixed sheet 63 is provided with a fixed groove 64, by clamping the fixed sheet 63 on the head body 5, at this time the fixed groove 64 is located on the ring groove 52 on the head body 5, at this time the head body 5 can be fixed, so that the head body 5 cannot slide out of the handle iron cylinder 3, so that the screwdriver can be used stably when in use, when the fixed groove 64 is not located on the ring groove 52 on the head body 5, at this time the head body 5 can be pulled out of the handle iron cylinder 3, so that the head body 5 is convenient to replace.

[0022] In a preferred embodiment, the outer edge of the head body 5 is fixedly assembled with a limiting strip 51, the inner wall of the bottom of the handle iron cylinder 3 is provided with a limiting groove 31, by the cooperation of the limiting strip 51 and the limiting groove 31, the head body 5 is limited by the limiting groove 31 when rotating, so that the handle iron cylinder 3 can only drive the head body 5 to rotate when rotating, improving the rationality of the device.

[0023] In a preferred embodiment, the outer edge of the top iron block 1 is provided with a threaded hole 10, the inner wall of the threaded hole 10 is provided with a steel ball 13, the inner wall of the threaded hole 10 is provided with a supporting spring 11, when the fixed groove 64 contacts the head body 5, at this time the steel ball 13 can fix the sliding block 6, so that the sliding block 6 cannot slide, so that the head body 5 cannot separate from the handle iron cylinder 3 when screwing, further improving the stability of the head body 5.

[0024] In a preferred embodiment, the inner wall of the threaded hole 10 is threaded with a fixing bolt 12, the support spring 11 is located between the steel ball 13 and the fixing bolt 12, and the fixing bolt 12 is arranged to block the support spring 11, so that the elastic force of the support spring 11 can support the steel ball 13, and the support spring 11 is in a tight state.

[0025] In a preferred embodiment, the outer edge of the sliding block 6 is provided with a fixing hole 61, and the fixing hole 61 is arranged to fix the sliding block 6 when the fixing groove 64 is in contact with the tool bit body 5, and the steel ball 13 is located in the fixing hole 61 at this time. The outer edge of the sliding block 6 is provided with a mounting groove 7, and the inner wall of the mounting groove 7 is mounted with a sliding bar 9, and the mounting groove 7 and the sliding bar 9 are used in cooperation, and when the sliding block 6 needs to be disassembled, the sliding bar 9 can be pulled out from the mounting groove 7.

[0026] In a preferred embodiment, the inner wall of the long groove 2 is provided with a sliding groove 8, and the sliding bar 9 is slidably connected with the sliding groove 8, and the sliding bar 9 is arranged to slide in the sliding groove 8 when the sliding block 6 slides, and the sliding groove 8 and the sliding bar 9 are used in cooperation to make the sliding block 6 only slide, so that the sliding block 6 cannot be separated from the top iron block 1, and the stability of the device is improved.

[0027] Working principle, in use, the sliding block 6 is pulled to one side, the steel ball 13 is pushed to the inside, the steel ball 13 is not located in the fixing hole 61, and the fixing groove 64 on the fixed sheet 63 is not located in the ring groove 52, the tool bit body 5 can be taken out from the handle iron cylinder 3, then another tool bit body 5 is inserted into the handle iron cylinder 3, the limiting strip 51 on the tool bit body 5 corresponds to the limiting groove 31 on the handle iron cylinder 3, when the tool bit body 5 moves in the handle iron cylinder 3, the sliding block 6 is pushed to the middle, when the sliding block 6 cannot be pushed, the fixing groove 64 on the fixed sheet 63 is in contact with the ring groove 52 on the tool bit body 5, and the elastic force of the support spring 11 pushes the steel ball 13 into the fixing hole 61, and the replacement is completed.

[0028] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A screwdriver with a tip that is easy to replace, comprising a top iron block (1), characterized in that: The top of the top iron block (1) is provided with a long slot (2), the bottom of the top iron block (1) is fixedly provided with a handle iron cylinder (3), the outer wall of the handle iron cylinder (3) is installed with a rubber handle (4), the inner cavity of the handle iron cylinder (3) is provided with a tool bit body (5), the outer edge of the top of the tool bit body (5) is provided with a ring groove (52), the inner wall of the long slot (2) is slidably connected with a sliding block (6), the bottom of the sliding block (6) is fixedly provided with a connecting rod (62), the bottom of the connecting rod (62) is fixedly provided with a fixed sheet (63), and the top of the fixed sheet (63) is provided with a fixed groove (64).

2. The screwdriver with replaceable screwdriver bits of claim 1, wherein: The outer edge of the tool bit body (5) is fixedly provided with a limiting strip (51), and the inner wall of the bottom of the handle iron cylinder (3) is provided with a limiting groove (31).

3. The screwdriver with replaceable screwdriver bits of claim 1, wherein: The outer edge of the top iron block (1) is provided with a threaded hole (10), the inner wall of the threaded hole (10) is provided with a steel ball (13), and the inner wall of the threaded hole (10) is provided with a supporting spring (11).

4. The screwdriver with replaceable screwdriver bits of claim 3, wherein: The inner wall of the threaded hole (10) is threadedly connected with a fixed bolt (12), and the supporting spring (11) is located between the steel ball (13) and the fixed bolt (12).

5. The screwdriver with replaceable screwdriver bits of claim 1, wherein: The outer edge of the sliding block (6) is provided with a fixed hole (61), and the outer edge of the sliding block (6) is provided with a mounting groove (7).

6. The screwdriver with replaceable screwdriver bits of claim 5, wherein: The inner wall of the long slot (2) is provided with a sliding groove (8), and the sliding groove (9) is slidably connected with the sliding groove (8).

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