Quick handle replacing mechanism for screwdriver bit

Abstract

The utility model discloses a quick screwdriver head handle replacing mechanism, which relates to the technical field of screwdrivers and comprises a screwdriver head, the screwdriver head is connected with a screwdriver handle through a connecting component, the arc-shaped surface of the screwdriver handle is fixedly connected with a rubber sleeve, and a rotary auxiliary component is arranged on the arc-shaped surface of the screwdriver handle. The bayonet lock can be pressed to enable the connecting column to be inserted into the mounting seat until the connecting column is attracted by the magnetic block, and at the moment, the bayonet lock can extend out of the cylinder body and be inserted into the clamping groove to be fixed under the influence of the first spring, so that the mounting seat and the connecting column are connected through magnetic attraction and are fixed by clamping the clamping groove through the bayonet lock, and the mounting seat and the connecting column are not prone to loosening and falling off. And when the screwdriver bit is replaced, the conical barrel can be lifted upwards, so that the inner wall of the conical barrel slowly extrudes the pushing column, the pushing column can push the clamping pin to contract in the clamping groove, the clamping pin does not clamp the clamping groove any more, at the moment, the connecting column can be pulled out of the mounting base to complete disassembly, and the screwdriver bit can be rapidly replaced.

Description

Technical Field

[0001] The utility model relates to the technical field of screwdrivers, in particular to a quick handle-changing mechanism for a screwdriver head. Background Art

[0002] A screwdriver is a tool used to turn a screw to force it into place. The screwdriver includes a screwdriver handle and a screwdriver head that is detachably mounted on the screwdriver handle. The screwdriver handle has a mounting seat for the screwdriver head to be inserted and fixed. In order to enable a screwdriver to turn a variety of screws, a screwdriver will be adapted to a variety of screwdriver heads.

[0003] In order to quickly install the existing screwdriver head on the screwdriver handle, the screwdriver head is usually adsorbed into the screwdriver handle by magnetic attraction. However, when the screwdriver head is stuck by external force, the magnetic fixation method can easily cause the screwdriver head to fall off from the mounting seat of the screwdriver handle, so there is a need for improvement. Utility Model Content

[0004] Technical issues solved

[0005] The utility model aims to make up for the deficiencies of the prior art and provides a screwdriver head quick handle changing mechanism.

[0006] Technical Solution

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a screwdriver head quick handle changing mechanism, comprising a screwdriver head, wherein the screwdriver head is connected to a screwdriver handle via a connecting assembly, a rubber sleeve is fixedly connected to the arcuate surface of the screwdriver handle, and a rotation auxiliary assembly is provided on the arcuate surface of the screwdriver handle.

[0008] As mentioned above, the connecting component includes a mounting seat, a magnetic block and a connecting column. The mounting seat is fixedly installed on the middle end of the bottom surface of the screwdriver handle, and a hexagonal groove is provided through the bottom surface of the mounting seat. The middle end of the top surface of the screwdriver head is fixedly connected with a connecting column. The connecting column is a metal hexagonal column. A magnetic block is fixedly installed on the inner wall of the hexagonal groove of the mounting seat. Auxiliary fixing components are provided on the inner wall of the mounting seat and the arc surface of the connecting column.

[0009] As mentioned above, the auxiliary fixing assembly includes a cylinder, a bayonet, a spring and a slot. A plurality of mounting holes are provided on the surface of the connecting column. A cylinder is fixedly installed on the inner wall of the mounting hole of the connecting column. An opening is penetrated through one end of the cylinder. A spring is fixedly installed on one end of the inner wall of the cylinder. The bayonet is inserted and placed in the cylinder. One end of the spring is fixedly connected with a bayonet. One end of the bayonet is arc-shaped. A plurality of slots are provided on the inner wall of the mounting seat, and the slots penetrate the mounting seat. A release fixing assembly is provided on the inner wall of the slots.

[0010] As mentioned above, the releasing and fixing assembly includes a mounting ring, a limiting ring, a push pin and a second spring. The inner wall of the slot is fixedly mounted with a mounting ring, the surface of the mounting ring is fixedly connected with the second spring, the arc surface of the push pin is fixedly mounted with a limiting ring, one end of the second spring is fixedly connected to the surface of the limiting ring, and the push pin passes through the inner ring of the mounting ring.

[0011] As mentioned above, the arc surface of the mounting seat is sleeved with a conical tube.

[0012] As mentioned above, the rotation auxiliary component includes a bearing, a rotating shaft and a rotating block. The top surface of the screwdriver handle is fixedly mounted with a bearing, the inner ring of the bearing is fixedly connected with the rotating shaft, and the top surface of the rotating shaft is fixedly connected with a rotating block.

[0013] As mentioned above, the top surface of the rotating block is fixedly connected with a rubber pad.

[0014] Beneficial effects:

[0015] Compared with the prior art, the screwdriver head quick handle changing mechanism has the following beneficial effects:

[0016] 1. The utility model provides a mounting seat, a magnetic block, a connecting column, a cylinder, a first spring, a bayonet, a slot, a mounting ring, a limiting ring, a second spring and a push column, so that the bayonet can be pressed to allow the connecting column to be inserted into the mounting seat until the connecting column is adsorbed by the magnetic block. At this time, the bayonet can be extended from the cylinder under the influence of the first spring and inserted into the slot for fixation, so that the mounting seat and the connecting column are not only connected by magnetic attraction, but also fixed by the bayonet clamping the slot, so that it is not easy to loosen and fall off, and when replacing the screwdriver head, the conical cylinder can be pulled upward to make the inner wall of the conical cylinder slowly squeeze the push column, so that the bayonet can be pushed in the slot to shrink, so that the bayonet no longer jams the slot, and the connecting column can be pulled out of the mounting seat to complete the disassembly, so that the screwdriver head can be quickly replaced, and when the push column is not squeezed by the conical cylinder, it can be reset by the second spring.

[0017] Second, the utility model provides bearings, rotating shafts, rotating blocks and rubber pads. When the screwdriver handle needs to be rotated, the palm can be pressed against the top surface of the rotating block and the screwdriver handle can be rotated, so that the screwdriver handle can be conveniently rotated continuously, and the provision of the rubber pad can make the palm pressing position more comfortable.

[0018] Other advantages, objectives and features of the present invention will be described in the following description to some extent, and will be apparent to those skilled in the art based on the following examination and study, or may be taught from the practice of the present invention to some extent. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of a screwdriver head of the utility model;

[0021] Figure 3 This is a schematic diagram of the screwdriver handle structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the cross-sectional structure of the connecting column of the utility model;

[0023] Figure 5 For the utility model Figure 2 A is a schematic diagram of the partially enlarged structure of the middle part;

[0024] Figure 6 It is a schematic diagram of the cross-sectional structure of the cylinder of the utility model.

[0025] In the figure: 1. screwdriver head; 2. screwdriver handle; 3. mounting seat; 4. magnetic block; 5. connecting column; 6. cylinder; 7. latch; 8. spring 1; 9. slot; 10. spring 2; 11. push column; 12. mounting ring; 13. limiting ring; 14. tapered cylinder; 15. rubber pad; 16. rotating shaft; 17. bearing; 18. rotating block. DETAILED DESCRIPTION

[0026] 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 described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0027] like Figure 1-6 As shown, the utility model provides a technical solution: a screwdriver head quick handle changing mechanism, comprising a screwdriver head 1, the screwdriver head 1 is connected to a screwdriver handle 2 through a connecting component, a rubber sleeve is fixedly connected to the arc surface of the screwdriver handle 2, and a rotation auxiliary component is arranged on the arc surface of the screwdriver handle 2.

[0028] According to the overall structure of the device, the bayonet 7 can be pressed to allow the connecting column 5 to be inserted into the mounting seat 3 until the connecting column 5 is attracted by the magnetic block 4. At this time, the bayonet 7 can be extended from the cylinder 6 under the influence of the spring 8 and inserted into the card slot 9 for fixing, so that the mounting seat 3 and the connecting column 5 are not only connected by magnetic attraction, but also fixed by the bayonet 7 clamping the card slot 9, so that it is not easy to loosen and fall off. When replacing the screwdriver head 1, the conical cylinder 14 can be pulled upwards to make the inner wall of the conical cylinder 14 slowly squeeze the push column 11, so that It can push the bayonet pin 7 to contract in the slot 9 so that the bayonet pin 7 no longer blocks the slot 9. At this time, the connecting column 5 can be pulled out from the mounting seat 3 to complete the disassembly, so that the screwdriver head 1 can be quickly replaced, and when the push column 11 is not squeezed by the tapered tube 14, it can be reset by the spring 10. When it is necessary to rotate the screwdriver handle 2, the palm can be pressed against the top surface of the rotating block 18, and then the screwdriver handle 2 is rotated, so that the screwdriver handle 2 can be conveniently rotated continuously, and the setting of the rubber pad 15 can make the palm pressing position more comfortable.

[0029] like Figure 2-4 As shown, the connecting component includes a mounting seat 3, a magnetic block 4 and a connecting column 5. The mounting seat 3 is fixedly installed at the middle end of the bottom surface of the screwdriver handle 2, and a hexagonal groove is provided through the bottom surface of the mounting seat 3. The connecting column 5 is fixedly connected to the middle end of the top surface of the screwdriver head 1. The connecting column 5 is a metal hexagonal column. The magnetic block 4 is fixedly installed on the inner wall of the hexagonal groove of the mounting seat 3, and auxiliary fixing components are provided on the inner wall of the mounting seat 3 and the arc surface of the connecting column 5.

[0030] By providing the mounting seat 3 , the magnetic block 4 and the connecting post 5 , the connecting post 5 can be inserted into the mounting seat 3 , and the connecting post 5 can be adsorbed and fixed by the magnetic block 4 .

[0031] like Figure 5-6 As shown, the auxiliary fixing assembly includes a cylinder 6, a bayonet 7, a spring 8 and a slot 9. The surface of the connecting column 5 is provided with a plurality of mounting holes. The inner wall of the mounting hole of the connecting column 5 is fixedly provided with a cylinder 6. An opening is provided through one end of the cylinder 6. A spring 8 is fixedly provided at one end of the inner wall of the cylinder 6. The bayonet 7 is inserted and placed in the cylinder 6. One end of the spring 8 is fixedly connected with the bayonet 7. One end of the bayonet 7 is arc-shaped. A plurality of slots 9 are provided on the inner wall of the mounting seat 3, and the slots 9 penetrate the mounting seat 3. The inner wall of the slot 9 is provided with a release and fixing component, which includes a mounting ring 12, a limiting ring 13, a push column 11 and a spring 10. The inner wall of the slot 9 is fixedly installed with a mounting ring 12, and the spring 10 is fixedly connected to the surface of the mounting ring 12. The arc surface of the push column 11 is fixedly installed with a limiting ring 13, and one end of the spring 10 is fixedly connected to the surface of the limiting ring 13. The push column 11 passes through the inner ring of the mounting ring 12, and the arc surface of the mounting seat 3 is sleeved with a conical cylinder 14.

[0032] By means of the provided cylinder 6, bayonet 7, spring one 8, slot 9, mounting ring 12, limit ring 13, push column 11, spring two 10 and tapered cylinder 14, the bayonet pin 7 can be pressed to allow the connecting column 5 to be inserted into the mounting seat 3 until the connecting column 5 is attracted by the magnetic block 4. At this time, the bayonet pin 7 can be extended from the cylinder 6 under the influence of the spring one 8 and inserted into the slot 9 for fixing, so that the mounting seat 3 and the connecting column 5 are not only connected by magnetic attraction, but also fixed by the bayonet pin 7 clamping the slot 9, so that it is not easy to loosen and fall off. When replacing the screwdriver head 1, the tapered cylinder 14 can be pulled upward to make the inner wall of the tapered cylinder 14 slowly squeeze the push column 11, so that it can push the bayonet pin 7 in the slot 9 to contract, so that the bayonet pin 7 no longer clamps the slot 9. At this time, the connecting column 5 can be pulled out of the mounting seat 3 to complete the disassembly, so that the screwdriver head 1 can be quickly replaced, and when the push column 11 is not squeezed by the tapered cylinder 14, it can be reset by the spring two 10.

[0033] like Figure 1 As shown, the rotation auxiliary component includes a bearing 17, a rotating shaft 16 and a rotating block 18. The bearing 17 is fixedly installed on the top surface of the screwdriver handle 2, the inner ring of the bearing 17 is fixedly connected to the rotating shaft 16, the top surface of the rotating shaft 16 is fixedly connected to the rotating block 18, and the top surface of the rotating block 18 is fixedly connected to the rubber pad 15.

[0034] By providing the bearing 17, the rotating shaft 16, the rotating block 18 and the rubber pad 15, the rotating block 18 can be rotated by the arrangement of the rotating shaft 16 and the bearing 17, and the arrangement of the rubber pad 15 can make the top of the rotating block 18 more comfortable when in contact with the hand.

[0035] Working principle: the bayonet 7 can be pressed to allow the connecting column 5 to be inserted into the mounting seat 3 until the connecting column 5 is adsorbed by the magnetic block 4. At this time, the bayonet 7 can be extended from the cylinder 6 under the influence of the spring 8 and inserted into the slot 9 for fixation. When replacing the screwdriver head 1, the conical cylinder 14 can be pulled upward to make the inner wall of the conical cylinder 14 slowly squeeze the push column 11, so that it can push the bayonet 7 in the slot 9 to contract, so that the bayonet 7 no longer gets stuck in the slot 9. At this time, the connecting column 5 can be pulled out of the mounting seat 3 to complete the disassembly. When it is necessary to rotate the screwdriver handle 2, the palm can be pressed against the top surface of the rotating block 18, and then the screwdriver handle 2 can be rotated so that the screwdriver handle 2 can be conveniently rotated continuously.

[0036] It should be noted that, in this article, the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model; the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "fixed", "installed", "connected", and "connected" should be understood in a broad sense. For example, "installed" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a mechanical connection or an electrical connection; "connected" can be a direct connection, an indirect connection through an intermediate medium, or a connection between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0037] 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 screwdriver bit quick handle changing mechanism, comprising a screwdriver bit (1), characterized in that: The screwdriver head (1) is connected to the screwdriver handle (2) via a connecting component; a rubber sleeve is fixedly connected to the arc surface of the screwdriver handle (2); and a rotation auxiliary component is provided on the arc surface of the screwdriver handle (2).

2. A screwdriver bit quick handle change mechanism according to claim 1, characterized in that: The connection component comprises a mounting seat (3), a magnetic block (4) and a connecting column (5); the mounting seat (3) is fixedly mounted on the middle end of the bottom surface of the screwdriver handle (2); a hexagonal groove is provided through the bottom surface of the mounting seat (3); the connecting column (5) is fixedly connected to the middle end of the top surface of the screwdriver head (1); the connecting column (5) is a metal hexagonal column; the magnetic block (4) is fixedly mounted on the inner wall of the hexagonal groove of the mounting seat (3); and auxiliary fixing components are provided on the inner wall of the mounting seat (3) and the arc surface of the connecting column (5).

3. A screwdriver bit quick handle change mechanism according to claim 2, characterized in that: The auxiliary fixing assembly comprises a cylinder (6), a bayonet (7), a spring (8) and a slot (9); a plurality of mounting holes are arranged on the surface of the connecting column (5); a cylinder (6) is fixedly mounted on the inner wall of the mounting hole of the connecting column (5); an opening is penetrated through one end of the cylinder (6); a spring (8) is fixedly mounted on one end of the inner wall of the cylinder (6); the bayonet (7) is inserted and placed in the cylinder (6); one end of the spring (8) is fixedly connected to the bayonet (7); one end of the bayonet (7) is arc-shaped; a plurality of slots (9) are arranged on the inner wall of the mounting seat (3); and the slots (9) penetrate through the mounting seat (3); and a release fixing assembly is arranged on the inner wall of each of the slots (9).

4. A screwdriver bit quick handle change mechanism according to claim 3, characterized in that: The release and fixing assembly comprises a mounting ring (12), a limiting ring (13), a push column (11) and a second spring (10); the inner wall of the clamping groove (9) is fixedly mounted with the mounting ring (12); the surface of the mounting ring (12) is fixedly connected with the second spring (10); the arc surface of the push column (11) is fixedly mounted with the limiting ring (13); one end of the second spring (10) is fixedly connected to the surface of the limiting ring (13); and the push column (11) passes through the inner ring of the mounting ring (12).

5. The screwdriver bit quick handle changing mechanism according to claim 3, characterized in that: A conical cylinder (14) is sleeved on the arc-shaped surface of the mounting seat (3).

6. The screwdriver bit quick handle change mechanism according to claim 1, characterized in that: The rotation auxiliary component comprises a bearing (17), a rotating shaft (16) and a rotating block (18); the bearing (17) is fixedly mounted on the top surface of the screwdriver handle (2); the inner ring of the bearing (17) is fixedly connected to the rotating shaft (16); and the rotating block (18) is fixedly connected to the top surface of the rotating shaft (16).

7. A screwdriver bit quick handle change mechanism according to claim 6, characterized in that: A rubber pad (15) is fixedly connected to the top surface of the rotating block (18).

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