Handheld intelligent screwdriver

By designing a handheld smart screwdriver with a rotating bearing and fixed cover structure, the problem of screw head instability and detachment is solved, enabling efficient and precise screw tightening operations.

CN223763124UActive Publication Date: 2026-01-06ZHEJIANG TECH INST OF ECONOMY
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Patent Information

Application Number
CN202520146180.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-21
Publication Date
2026-01-06
Estimated Expiration
2035-01-21

AI Technical Summary

Technical Problem

Existing smart electric screwdrivers suffer from unstable screw heads during rotation, which are prone to wobbling and detachment, affecting work efficiency and accuracy.

Method used

It adopts a handheld main body structure, a rotary bearing structure, and a fixed cover structure. The rotary bearing structure improves the stability of the replacement head structure, the fixed cover structure enhances the connection strength, and a rotary motor drives rapid rotation.

Benefits of technology

It improves the rotational stability of the screw head and the firmness of the connection, avoids wobbling and detachment, and ensures fast and accurate screw tightening operations.

✦ Generated by Eureka AI based on patent content.

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Abstract

The handheld intelligent screwdriver comprises a handheld main body structure, a rotating bearing structure, a replacement head structure and a fixing cover structure, the rotating bearing structure is fixedly connected to the surface of the handheld main body structure in a butt joint mode, and the replacement head structure is connected to the surface of the rotating bearing structure in a penetrating and butt joint mode. The surface of the replacement head structure is movably sleeved with a fixed cover structure, and the surface of the handheld body structure is fixedly connected with the fixed cover structure in a butt joint mode. According to the handheld intelligent screwdriver, by arranging the handheld body structure and the rotating bearing structure, the stability of the replacement head structure in the rotating process is improved, and the swing condition is avoided; and by arranging a replacement head structure and a fixing cover structure, the connection firmness is improved, replacement can be rapidly carried out, the situation of disengagement is avoided, and normal use is guaranteed.
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Description

Technical Field

[0001] This utility model relates to the field of screwdrivers, and in particular to a handheld smart screwdriver. Background Technology

[0002] Intelligent electric screwdrivers, as the name suggests, are electric tightening tools designed specifically for industrial production environments. Compared to traditional manual screwdrivers, they are electrically driven, enabling fast and precise screw tightening operations, greatly improving work efficiency and accuracy. These tools are widely used in various industries such as automotive manufacturing, electronic equipment assembly, aerospace, and furniture manufacturing, and are a key component in achieving automated assembly on modern production lines.

[0003] The existing devices are prone to the following problems: the screw head is unstable when rotating, causing it to wobble; and although the screw head can be quickly engaged, it is prone to detachment. Therefore, a handheld smart screwdriver is proposed. Utility Model Content

[0004] The main objective of this invention is to provide a handheld smart screwdriver that can effectively solve the problems in the background technology.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A handheld smart screwdriver includes a handheld main body structure, a rotary bearing structure, a replacement head structure, and a fixed cover structure. The rotary bearing structure is fixedly connected to the surface of the handheld main body structure, the replacement head structure is inserted into the surface of the rotary bearing structure, the fixed cover structure is movably sleeved on the surface of the replacement head structure, and the fixed cover structure is fixedly connected to the surface of the handheld main body structure.

[0007] Preferably, the handheld main body structure includes a main grip, a rechargeable battery, a control switch, a rotary motor, a docking hole, a docking limiting ring, a fixing screw hole, and a mounting groove. The rechargeable battery is fixedly placed inside the main grip, the control switch is provided on the surface of the main grip, the rotary motor is fixedly provided on the inner surface of the main grip, the output end of the rotary motor is provided with a docking hole, the docking limiting ring is fixedly provided on the surface of the main grip, the fixing screw hole is fixedly opened on the surface of the main grip, and a mounting groove is fixedly opened on one end surface of the main grip.

[0008] Preferably, the rotary bearing structure includes a fixed outer ring, a threaded hole, a long screw, a mating groove, a ball bearing, and an inner mating ring. The fixed outer ring has a threaded hole fixedly formed on its surface, and a long screw is spirally connected to the surface of the threaded hole. The fixed outer ring has a mating groove fixedly formed on its surface. A ball bearing is movably fitted onto the inner surface of the fixed outer ring, and an inner mating ring is movably connected to the surface of the ball bearing.

[0009] Preferably, the replacement head structure includes a connecting rod, a star-shaped head, a cross-shaped connector block, and a plug rod. One end of the connecting rod is fixedly provided with a star-shaped head, the other end of the connecting rod is fixedly connected with a cross-shaped connector block, and one end of the cross-shaped connector block is fixedly connected with a plug rod.

[0010] Preferably, the fixed cover structure includes a mating cover, a through hole, a connecting soft band, a threaded knob, and a locking block. The top surface of the mating cover has a through hole, the surface of the mating cover is fixedly connected to the connecting soft band, one end of the connecting soft band is movably connected to the threaded knob, and the arc-shaped surface of the mating cover is fixedly provided with a locking block.

[0011] Preferably, the long screw of the rotary bearing structure is spirally connected to the mounting groove, the insertion rod of the replacement head structure is inserted and connected to the docking hole, the cross docking block is fixed to the inner docking ring, the locking block is connected to the docking limiting ring, and the threaded knob connects and fixes the docking cover and the fixing screw hole.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] This utility model discloses a handheld intelligent screwdriver. By setting up a handheld main body structure and a rotary bearing structure, the stability of the replacement head structure during rotation is improved, avoiding wobbling and ensuring smooth rotation. The rotary bearing structure has a certain depth to completely fit the cross-shaped connector block inside. The replacement head structure and the fixed cover structure improve the connection firmness and also allow for quick replacement, preventing detachment and ensuring normal use. The fixed cover structure closes the mounting groove and retains the through hole so that it does not affect the rotation of the connecting rod. Attached Figure Description

[0014] Figure 1 This is an overall schematic diagram of a handheld smart screwdriver according to the present invention;

[0015] Figure 2 This is a schematic diagram of the main handheld structure of a handheld smart screwdriver according to this utility model;

[0016] Figure 3 This is a schematic diagram of the rotating bearing structure of a handheld smart screwdriver according to the present invention;

[0017] Figure 4 This is a schematic diagram of the replacement head structure of a handheld smart screwdriver according to the present invention;

[0018] Figure 5 This is a schematic diagram of the fixing cover structure of a handheld smart screwdriver according to the present invention;

[0019] In the diagram: 1. Handheld main body structure; 101. Main grip; 102. Rechargeable battery; 103. Control switch; 104. Rotary motor; 105. Docking hole; 106. Docking restraint ring; 107. Fixing screw hole; 108. Mounting groove; 2. Rotary bearing structure; 201. Fixing outer ring; 202. Threaded hole; 203. Long screw; 204. Docking groove; 205. Ball bearing; 206. Inner docking ring; 3. Replacement head structure; 301. Connecting rod; 302. Torx head; 303. Cross-shaped docking block; 304. Insert rod; 4. Fixing cover structure; 401. Docking cover; 402. Through hole; 403. Connecting soft strap; 404. Threaded knob; 405. Locking block. Detailed Implementation

[0020] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0021] like Figure 1-5 As shown, a handheld smart screwdriver includes a handheld main body structure 1, a rotary bearing structure 2, a replacement head structure 3, and a fixed cover structure 4. The rotary bearing structure 2 is fixedly connected to the surface of the handheld main body structure 1, and the replacement head structure 3 is inserted and connected to the surface of the rotary bearing structure 2. The fixed cover structure 4 is movably sleeved on the surface of the replacement head structure 3. The fixed cover structure 4 is fixedly connected to the surface of the handheld main body structure 1. The handheld main body structure 1 facilitates the supply of power and the fixing of the rotary bearing structure 2. The rotary bearing structure 2 improves the stability of the replacement head structure 3 after connection, and the fixed cover structure 4 ensures the firmness of the replacement head structure 3 after connection.

[0022] Furthermore, the handheld main body structure 1 includes a main grip 101, a rechargeable battery 102, a control switch 103, a rotary motor 104, a docking hole 105, a docking restraining ring 106, a fixing screw hole 107, and a mounting groove 108. The rechargeable battery 102 is fixedly placed inside the main grip 101. The control switch 103 is provided on the surface of the main grip 101. The rotary motor 104 is fixedly provided on the inner surface of the main grip 101. The output end of the rotary motor 104 is provided with a docking hole 105. The docking restraining ring 106 is fixedly provided on the surface of the main grip 101. The fixing screw hole 107 is fixedly opened on the surface of the main grip 101. The mounting groove 108 is fixedly opened on one end surface of the main grip 101. The rechargeable battery 102 can be charged. The control switch 103 controls its power. The rotary motor 104 drives the docked replacement head structure 3 to rotate.

[0023] Furthermore, the rotary bearing structure 2 includes a fixed outer ring 201, a threaded hole 202, a long screw 203, a mating groove 204, rolling balls 205, and an inner mating ring 206. The fixed outer ring 201 has a threaded hole 202 fixedly formed on its surface, and the long screw 203 is spirally connected to the surface of the threaded hole 202. The fixed outer ring 201 has a mating groove 204 fixedly formed on its surface. The rolling balls 205 are movably fitted on the inner surface of the fixed outer ring 201, and the inner mating ring 206 is movably connected to the surface of the rolling balls 205. After the fixed outer ring 201 is connected to the mounting groove 108, it is fixedly connected by the long screw 203, and the inner mating ring 206 rotates through the rolling balls 205.

[0024] Furthermore, the replacement head structure 3 includes a connecting rod 301, a sprite head 302, a cross-shaped docking block 303, and an insert rod 304. The sprite head 302 is fixedly provided on one end surface of the connecting rod 301, and the cross-shaped docking block 303 is fixedly connected to the other end surface of the connecting rod 301. The insert rod 304 is fixedly connected to one end surface of the cross-shaped docking block 303. The structure of the replacement head structure 3 facilitates the use of the docking and replacement device.

[0025] Furthermore, the fixed cover structure 4 includes a docking cover 401, a through hole 402, a connecting strap 403, a threaded knob 404, and a locking block 405. The top surface of the docking cover 401 is fixedly provided with the through hole 402. The surface of the docking cover 401 is fixedly connected with the connecting strap 403. One end of the connecting strap 403 is movably connected with the threaded knob 404. The arc-shaped surface of the docking cover 401 is fixedly provided with the locking block 405. The through hole 402 is movably sleeved on the surface of the connecting rod 301, and then connected to the docking limiting ring 106 through the locking block 405. After docking, the threaded knob 404 passes through the docking cover 401 and is connected to the fixed screw hole 107.

[0026] Furthermore, the long screw 203 of the rotary bearing structure 2 is spirally connected to the mounting groove 108, the insertion rod 304 of the replacement head structure 3 is inserted and connected to the docking hole 105, the cross docking block 303 is docked and fixed to the inner docking ring 206, the locking block 405 is docked to the docking limiting ring 106, and the threaded knob 404 connects and fixes the docking cover 401 and the fixing screw hole 107. The entire device improves the stability during rotation and enhances the connection structure so that it will not detach after docking, while retaining the functionality of quick replacement.

[0027] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claims. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A hand-held smart screwdriver, characterized by: Including handheld body structure (1), rotating bearing structure (2), replacement head structure (3) and fixed cover structure (4), the surface of the handheld body structure (1) is fixedly connected with the rotating bearing structure (2), the surface of the rotating bearing structure (2) is connected with the replacement head structure (3), the surface of the replacement head structure (3) is movably sleeved with the fixed cover structure (4), and the surface of the handheld body structure (1) is fixedly connected with the fixed cover structure (4).

2. The handheld smart screwdriver of claim 1, wherein: The handheld body structure (1) includes a body handle (101), a charging battery (102), a control switch (103), a rotating motor (104), a connecting hole (105), a connecting limiting ring (106), a fixed screw hole (107) and a mounting groove (108), the inside of the body handle (101) is fixedly provided with the charging battery (102), the surface of the body handle (101) is provided with the control switch (103), the inside surface of the body handle (101) is fixedly provided with the rotating motor (104), the output end of the rotating motor (104) is provided with the connecting hole (105), the surface of the body handle (101) is fixedly provided with the connecting limiting ring (106), the surface of the body handle (101) is fixedly provided with the fixed screw hole (107), and one end surface of the body handle (101) is fixedly provided with the mounting groove (108).

3. A hand-held smart screwdriver according to claim 2, characterized in that: The rotating bearing structure (2) includes a fixed outer ring (201), a threaded hole (202), a long screw (203), a connecting sliding groove (204), a rolling ball (205) and an inner connecting ring (206), the surface of the fixed outer ring (201) is fixedly provided with the threaded hole (202), the surface of the threaded hole (202) is spirally connected with the long screw (203), the surface of the fixed outer ring (201) is fixedly provided with the connecting sliding groove (204), the inner side surface of the fixed outer ring (201) is movably sleeved with the rolling ball (205), and the surface of the rolling ball (205) is movably connected with the inner connecting ring (206).

4. The handheld smart screwdriver of claim 3, wherein: The replacement head structure (3) includes a connecting rod (301), a key head (302), a cross connecting block (303) and a plug rod (304), one end surface of the connecting rod (301) is fixedly provided with the key head (302), the other end surface of the connecting rod (301) is fixedly connected with the cross connecting block (303), and one end surface of the cross connecting block (303) is fixedly connected with the plug rod (304).

5. A hand-held smart screwdriver according to claim 4, characterized in that: The fixed cover structure (4) includes a connecting cover (401), a penetrating hole (402), a connecting soft belt (403), a threaded knob (404) and a clamping block (405), the top end surface of the connecting cover (401) is fixedly provided with the penetrating hole (402), the surface of the connecting cover (401) is fixedly connected with the connecting soft belt (403), one end surface of the connecting soft belt (403) is movably connected with the threaded knob (404), and the arc surface of the connecting cover (401) is fixedly provided with the clamping block (405).

6. A hand-held smart screwdriver according to claim 5, characterized in that: The long screw (203) of the rotating bearing structure (2) is screw connected with the installation slot (108), the insertion rod (304) of the replacement head structure (3) is inserted and connected with the butt joint hole (105), the cross butt joint block (303) is fixedly connected with the inner butt joint ring (206), the clamping block (405) is connected with the butt joint limiting ring (106), and the threaded knob (404) is connected and fixed with the butt joint cover (401) and the fixed screw hole (107).