Multifunctional connector for screwdriver

By designing a multi-functional connector and utilizing a bidirectional screw and locking block structure, the screwdriver can be adapted to and stably fixed with a variety of drill bits, thus solving the problem of limited connection models in existing screwdrivers.

CN223812034UActive Publication Date: 2026-01-20ZHU HAI DA XIANG MO LIAO MO JU YOU XIAN GONG SI
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Patent Information

Application Number
CN202520084234.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-14
Publication Date
2026-01-20
Estimated Expiration
2035-01-14

AI Technical Summary

Technical Problem

Existing screwdrivers can only install round-head drill bits, and the connection models are limited, making them unable to adapt to multi-sided drill bits.

Method used

Design a multi-functional connector that uses a bidirectional screw to move a connecting plate, uses a locking block and magnet to fix various sizes of drill bits, and combines a telescopic rod and a bolt to achieve convenient connection of various drill bits.

Benefits of technology

It improves the adaptability of the screwdriver, enabling it to accommodate various drill bit sizes, and enhances its stability and fixation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a connector, in particular to a multifunctional connector for a screw driver, which comprises a screw driver body, a fixing circular ring, a positioning plate, a connecting plate, a clamping block, a two-way screw rod and a telescopic rod, the output end of the screw driver body is provided with the connector, and the fixing circular ring is sleeved outside the connector. The fixed circular ring is symmetrically and fixedly connected with positioning plates, the positioning plate on one side is fixedly connected with a telescopic rod, the positioning plate on the other side is rotationally connected with a two-way screw in a penetrating mode, the connecting plates are oppositely arranged, and the connecting plates slide on the telescopic rod in a limited mode and are connected to the two-way screw through threads; the connecting plates can be driven to move in the opposite direction or the back direction by rotating the two-way screw rod, and the drill bit can be conveniently clamped between the clamping blocks. The connecting plate can be driven to move oppositely by rotating the two-way screw, and the drill bit is clamped and fixed through the oppositely-arranged clamping blocks located in the middle of the connecting plate.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a connector, especially a multifunctional connector for a screwdriver machine. BACKGROUND

[0002] The screwdriver machine is a kind of electric tool, mainly used for tightening or loosening screw, nut and other fasteners, with the characteristics of high efficiency, fast and convenient, and is widely used in the field of machining, electrical installation and maintenance and home repair.

[0003] The existing small and medium-sized screwdriver machine can only install its matched drill bit in the use process, and the polygonal and circular drill bits cannot be connected, and a separate connector is needed, and the existing connector can only provide circular head drill bit connection, and the connection model is limited.

[0004] Therefore, it is necessary to design a multifunctional connector for a screwdriver machine. INVENTION CONTENTS

[0005] In order to overcome the shortcomings that the existing screwdriver machine only provides circular head drill bit connection and the connection model is limited, the utility model provides a multifunctional connector for a screwdriver machine.

[0006] The technical scheme is as follows: a multifunctional connector for a screwdriver machine, comprising a screwdriver machine body, a connector provided at the output end of the screwdriver machine body, a fixed ring, a positioning plate, a connecting plate, a clamping block, a bidirectional screw rod and an extension rod, the fixed ring is sleeved outside the connector, the fixed ring is symmetrically fixed with the positioning plate, one side of the positioning plate is fixed with the extension rod, the other side of the positioning plate is rotatably connected with the bidirectional screw rod, the connecting plates are oppositely arranged, the connecting plates are limited to slide on the extension rod and are connected with the bidirectional screw rod through threads, the clamping blocks are fixed on the middle part of the connecting plates, the connecting plates can be moved oppositely or oppositely by rotating the bidirectional screw rod, and the drill bits can be conveniently clamped between the clamping blocks.

[0007] Optionally, the clamping blocks are oppositely arranged, and the clamping blocks are 90° bent plate structures.

[0008] Optionally, it further comprises a bolt strip, the connector is provided with an axially arranged lock hole, the bolt strip is slidably connected with the fixed ring, and the bolt strip can be inserted into the lock hole to fix the fixed ring.

[0009] Optionally, it further comprises an operating plate and a reset spring, the end of the bolt strip is provided with the operating plate, and the reset spring is connected between the operating plate and the fixed ring.

[0010] Optionally, it further comprises a magnet, and the end of the connector is provided with the magnet.

[0011] Optionally, it further comprises a fastening rubber pad, and the fastening rubber pad is arranged on the opposite side surface of the clamping block.

[0012] Optionally, the connecting head is externally provided with an axial wire guide plate, and the wire guide plate is externally provided with a limiting plate.

[0013] The utility model discloses beneficial effect is: through the rotation bidirectional screw rod can drive the connecting plate to move to the opposite direction, the opposite setting's clamping block in the connecting plate middle part will be fixed to the drill bit, compared with the traditional screwdriver machine connecting head, this device can improve the adaptability of screwdriver machine, makes the screwdriver machine can butt joint multiple specifications' drill bit. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0015] Figure 2 It is the three-dimensional structure schematic diagram of the utility model connecting head and fixed ring.

[0016] Figure 3 It is the three-dimensional structure schematic diagram of the utility model operating plate and reset spring.

[0017] Mark explanation: 1: screwdriver machine body, 2: connecting head, 3: fixed ring, 4: positioning plate, 5: connecting plate, 6: clamping block, 7: bidirectional screw rod, 8: telescopic rod, 9: lock hole, 10: bolt strip, 11: operating plate, 12: reset spring, 13: magnet, 14: fastening rubber pad, 15: wire guide plate, 16: limiting plate. DETAILED DESCRIPTION

[0018] The following is only the preferred embodiment of the utility model, and does not limit the protection scope of the utility model.

[0019] Embodiment: a kind of multifunctional connecting head for screwdriver machine, as shown in Figures 1-3 It is shown, including screwdriver machine body 1, the output of screwdriver machine body 1 is provided with connecting head 2, still including fixed ring 3, positioning plate 4, connecting plate 5, clamping block 6, bidirectional screw rod 7 and telescopic rod 8, fixed ring 3 is sleeved in the outside of connecting head 2, fixed ring 3 is symmetrically fixed with positioning plate 4, left positioning plate 4 is fixed with telescopic rod 8, right positioning plate 4 is rotatably connected with bidirectional screw rod 7, connecting plate 5 is oppositely arranged, connecting plate 5 is limited to slide in telescopic rod 8 and is connected in bidirectional screw rod 7 by screw thread, the middle part of connecting plate 5 is fixed with clamping block 6, clamping block 6 is oppositely arranged, clamping block 6 is 90 ° bending's plate structure, fastening rubber pad 14 is provided on the opposite side of clamping block 6, by rotating bidirectional screw rod 7 can drive connecting plate 5 to move to the opposite direction or back direction, drill bit can be conveniently clamped between clamping block 6.

[0020] As shown in Figure 2 And Figure 3As shown, the device further comprises a bolt 10, the connecting head 2 is provided with an axial locking hole 9, the bolt 10 is slidably connected to the fixing ring 3, the bolt 10 can be inserted into the locking hole 9 to fix the fixing ring 3, the upper end of the bolt 10 is provided with an operating plate 11, and the operating plate 11 is connected with the fixing ring 3 through a reset spring 12.

[0021] As shown, Figure 1 The device further comprises a magnet 13, and the connecting head 2 is provided with the magnet 13 at one end for connecting the drill bit.

[0022] As shown, Figure 1 The device further comprises a wire plate 15 and a limiting plate 16, the connecting head 2 is provided with the wire plate 15 on the outside in an axial direction, the wire plate 15 is provided with the limiting plate 16 at the end, and the fixing ring 3 is slidably embedded in the outside of the wire plate 15, so that the wire plate 15 is used to limit the sliding track of the fixing ring 3.

[0023] Working principle: the bidirectional screw rod 7 is a screw rod provided with symmetrical threads, so that the connecting plate 5 can be moved in opposite directions or away from each other by rotating the bidirectional screw rod 7, when the drill bit needs to be fixed at the connecting head 2, the connecting plate 5 can be moved away from each other by rotating the bidirectional screw rod 7, then the drill bit is embedded in the connecting head 2 and fixed through the magnet 13, then the connecting plate 5 is moved in opposite directions to clamp the drill bit, since the clamping block 6 is a 90-degree bent plate structure, so it can clamp and fix drill bits of various shapes, and the adaptability of the screwdriver machine is improved, the fixing ring 3 can be released by pulling the bolt 10, and the horizontal position of the clamping block 6 can be adjusted by sliding the fixing ring 3 horizontally, so as to adjust the contact depth of the clamping block 6 and the drill bit, and further improve the fixing of the drill bit.

[0024] The above embodiments are provided for those skilled in the art to implement or use the utility model, those skilled in the art can make various modifications or changes to the above embodiments without departing from the utility model idea of the utility model, therefore, the protection scope of the utility model is not limited by the above embodiments, but should be the maximum scope of the innovative features mentioned in the claims.

Claims

1. A multi-functional connector for a screwdriver machine, comprising a screwdriver machine body (1), the output end of the screwdriver machine body (1) is provided with a connector (2), characterized in that, It also includes a fixed ring (3), positioning plate (4), connecting plate (5), card block (6), bidirectional screw (7) and telescopic rod (8), the fixed ring (3) is sleeved outside the connecting head (2), the fixed ring (3) is symmetrically connected with the positioning plate (4), one side positioning plate (4) is fixed with telescopic rod (8), the other side positioning plate (4) is rotatably connected with bidirectional screw (7), the connecting plate (5) is oppositely arranged, the connecting plate (5) is limited to slide on the telescopic rod (8) and is connected with the bidirectional screw (7) through screw thread, the connecting plate (5) is fixed with the card block (6) in the middle, the connecting plate (5) can be moved towards or away from each other by rotating the bidirectional screw (7), the drill bit can be conveniently clamped between the card block (6).

2. A multi-functional adapter for a dough mixer according to claim 1, characterized in that The card block (6) is oppositely arranged, and the card block (6) is a 90° bent plate structure.

3. A multi-functional connector for a screwdriver according to claim 2, characterized in that It also includes a bolt bar (10), the connecting head (2) is provided with an axially arranged lock hole (9), the bolt bar (10) is slidably connected with the fixed ring (3), and the bolt bar (10) can be inserted into the lock hole (9) to fix the fixed ring (3).

4. A multi-functional connector for a screwdriver according to claim 3, characterized in that It also includes an operating plate (11) and a reset spring (12), the end of the bolt bar (10) is provided with the operating plate (11), and the reset spring (12) is connected between the operating plate (11) and the fixed ring (3).

5. A multi-functional connector for a screwdriver according to claim 4, wherein It also includes a magnet (13), and the end of the connecting head (2) is provided with the magnet (13).

6. A multi-functional connector for a screwdriver according to claim 5, wherein It also includes a fastening rubber pad (14), and the opposite side of the card block (6) is provided with the fastening rubber pad (14).

7. A multi-functional connector for a screwdriver according to claim 6, wherein It also includes a wire plate (15) and a limiting plate (16), the connecting head (2) is provided with an axial wire plate (15) outside, the wire plate (15) is provided with the limiting plate (16) at the end, and the fixed ring (3) is slidably embedded outside the wire plate (15).