Novel lithium battery screwdriver

By designing a limit bracket and loading ring structure, combined with magnets and a rotating mechanism, the problem of instability in traditional screwdriver bits is solved, achieving precise positioning and efficient fastening of the screwdriver bit, thus improving work efficiency and convenience.

CN223961225UActive Publication Date: 2026-03-03NINGBO GOODO TOOLS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-15
Publication Date
2026-03-03

AI Technical Summary

Technical Problem

In the process of screw fastening screws, traditional screwdrivers cannot accurately guarantee the straightness and working position of the screwdriver tip, resulting in inaccurate and unstable fastening, which affects work efficiency.

Method used

A novel lithium-ion battery screwdriver has been designed, employing a limiting frame and a loading ring structure. The cooperation between the limiting frame and the loading ring ensures the straightness and accurate positioning of the screwdriver head. Magnets and a rotating mechanism maintain the stability of the screwdriver head, and lithium battery power enhances its convenience.

Benefits of technology

It achieves precise positioning of the screwdriver tip, prevents tilting, improves screw fastening efficiency and convenience, prevents screwdriver tip loss, and enhances the accuracy and efficiency of screw fastening.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223961225U_ABST
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Abstract

The utility model belongs to the technical field of screwdrivers, and particularly relates to a novel lithium battery screwdriver which comprises a screwdriver body, a screwdriver mounting head is fixedly arranged on the screwdriver body, and a handle is fixedly arranged at the bottom of the screwdriver body. A fixing ring is fixedly mounted on the screwdriver body and located on the outer side of the screwdriver mounting head, a fixing lug is fixedly mounted on the fixing ring, a loading ring is fixedly mounted on the fixing lug, a plurality of limiting frames are fixedly mounted on the loading ring, and first bearing heads are fixedly mounted at the ends, away from the loading ring, of the limiting frames. A plurality of limiting frames fixedly mounted on a loading ring are used for loading a first bearing head, and under the cooperation of the limiting frames and the loading ring, the first bearing head can prevent the screwdriver head from inclining after the screwdriver head extends to the outside of the screwdriver main body, so that the screwdriver head is prevented from being damaged. And therefore, a worker can master the screwdriver main body more accurately, and the screw locking work can be carried out.
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Description

Technical Field

[0001] This utility model belongs to the field of screwdriver technology, specifically a new type of lithium-ion screwdriver. Background Technology

[0002] In modern industrial production and maintenance operations, screwdrivers are commonly used fastening tools, and their performance and precision directly affect work efficiency and work quality.

[0003] While traditional screwdriver designs meet basic screw fastening requirements to a certain extent, they still have many shortcomings in practical applications.

[0004] Traditional screwdrivers often struggle to maintain precise straightness and working position of the screwdriver tip during screw fastening. This frequently leads to the screwdriver tip tilting, affecting the accuracy and stability of the fastening process. Workers are required to spend extra time and effort adjusting the screwdriver tip, reducing work efficiency. Therefore, a new type of lithium-ion battery-powered screwdriver is proposed to address these issues. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art and solve at least one of the technical problems mentioned in the background art, this utility model proposes a new type of lithium battery screwdriver.

[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: A novel lithium-ion screwdriver of this utility model includes a screwdriver body, a screwdriver mounting head fixedly disposed on the screwdriver body, a handle fixedly disposed at the bottom of the screwdriver body, a fixing ring fixedly disposed on the screwdriver body and located outside the screwdriver mounting head, a fixing ear fixedly disposed on the fixing ring, a loading ring fixedly disposed on the fixing ear, a plurality of limiting brackets fixedly disposed on the loading ring, a first receiving joint fixedly disposed at the end of the limiting bracket away from the loading ring, a second receiving joint disposed at the bottom of the first receiving joint, a rotating mechanism disposed inside the first receiving joint and the second receiving joint, a reserved mounting groove opened on the loading ring, and a magnet fixedly disposed inside the reserved mounting groove.

[0007] Preferably, the rotating mechanism includes an arc groove formed on the inner side of the first and second bearing joints, and a ball bearing is fitted into the inner side of the arc groove with clearance.

[0008] Preferably, the first and second connectors are provided with threaded holes, and a threaded rod is installed on the inner thread of the threaded hole.

[0009] Preferably, a screwdriver bit is inserted into the loading ring and located inside the reserved mounting slot, and a protective sleeve is fitted on the outside of the screwdriver bit. The protective sleeve corresponds to the ball and has a reserved slot.

[0010] Preferably, the anti-damage sleeve is also provided with a fastening rod that passes through the reserved slot.

[0011] Preferably, a lithium battery pack is provided on the inner side of the handle.

[0012] The beneficial effects of this utility model are:

[0013] This utility model provides a novel lithium-ion screwdriver. A loading ring fixedly installed on the mounting lug is used to load a limiting bracket. During screw fastening, the cooperation of the limiting bracket and the loading ring calibrates the straightness of the screwdriver head, ensuring accurate positioning of the screwdriver head. Multiple limiting brackets fixedly installed on the loading ring load a first receiving connector. With the cooperation of the limiting bracket and the loading ring, the first receiving connector prevents the screwdriver head from tilting after it extends beyond the screwdriver body, allowing workers to more accurately grasp the screwdriver body and perform screw fastening work.

[0014] A first socket head fixedly installed at the end of the limiting bracket away from the loading ring is used to load a second socket head. The second socket head located at the bottom of the first socket head cooperates with the first socket head to achieve auxiliary positioning of the screwdriver head, so that the user can more accurately control the tightening of the screwdriver body. In addition, the loading ring can simultaneously load multiple screwdriver heads of different sizes, preventing the loss of screwdriver heads due to careless placement after changing screwdriver heads, and facilitating reuse. Attached Figure Description

[0015] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and are used to explain the present invention, but do not constitute an undue limitation of the present invention.

[0016] In the attached diagram:

[0017] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the fixing ring in this utility model;

[0019] Figure 3 This is a schematic diagram of the limiting frame in this utility model;

[0020] Figure 4This is a schematic diagram of the structure of the first connector in this utility model.

[0021] Legend:

[0022] 1. Screwdriver body; 2. Handle; 3. Screwdriver head; 4. Retaining ring; 5. Retaining lug; 6. Loading ring; 7. Pre-installed mounting slot; 8. Magnet; 9. Screwdriver tip; 10. Limiting bracket; 11. First socket joint; 12. Second socket joint; 13. Threaded hole; 14. Threaded rod; 15. Arc groove; 16. Ball bearing; 17. Damage protection sleeve; 18. Pre-installed slot; 19. Fastening rod. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0024] Specific implementation examples are given below.

[0025] Please see Figures 1-4 This utility model provides a novel lithium-ion screwdriver, including a screwdriver body 1, a screwdriver mounting head 3 fixedly mounted on the screwdriver body 1, a handle 2 fixedly mounted on the bottom of the screwdriver body 1, a fixing ring 4 fixedly mounted on the screwdriver body 1 and located outside the screwdriver mounting head 3, a fixing ear 5 fixedly mounted on the fixing ring 4, a loading ring 6 fixedly mounted on the fixing ear 5, a plurality of limiting brackets 10 fixedly mounted on the loading ring 6, a first receiving joint 11 fixedly mounted at the end of the limiting bracket 10 away from the loading ring 6, a second receiving joint 12 provided at the bottom of the first receiving joint 11, a rotating mechanism provided inside the first receiving joint 11 and the second receiving joint 12, and a reserved mounting groove 7 opened on the loading ring 6, with a magnet 8 fixedly mounted inside the reserved mounting groove 7.

[0026] During operation, the screwdriver body 1 is used to drive the screwdriver head 9 to tighten the screw. The screwdriver head 3, fixedly mounted on the screwdriver body 1, is used to mount the screwdriver head 9 and rotates under the drive of the screwdriver body 1, thus completing the screw tightening work. The handle 2, fixedly mounted at the bottom of the screwdriver body 1, is used to grip the screwdriver body 1 for easier use and also houses a lithium battery to power the screwdriver body 1. A fixing ring 4, fixedly mounted on the screwdriver body 1 and located outside the screwdriver head 3, is used to mount the fixing lug 5. The fixing lug 5, fixedly mounted on the fixing ring 4, supports the screwdriver head 3 and the mounting ring 6, ensuring stability after connection. The mounting ring 6, fixedly mounted on the fixing lug 5, is used to mount the limiting bracket 10. During the screw tightening process, the cooperation of the limiting bracket 10 and the mounting ring 6 calibrates the straightness of the screwdriver head 9, ensuring the screw tightening is achieved. The precise working position of the screwdriver head 9 is determined by multiple limiting brackets 10 fixedly installed on the loading ring 6, which are used to load the first receiving head 11. With the cooperation of the limiting brackets 10 and the loading ring 6, the first receiving head 9 can be prevented from tilting after it extends to the outside of the screwdriver body 1, so that the operator can more accurately grasp the screwdriver body 1 and perform screw fastening work. The first receiving head 11 fixedly installed at the end of the limiting bracket 10 away from the loading ring 6 is used to load the second receiving head 12. The second receiving head 12 set at the bottom of the first receiving head 11 cooperates with the first receiving head 11 to achieve auxiliary positioning of the screwdriver head 9, so that the user can more accurately control the fastening work of the screwdriver body 1. In addition, the loading ring 6 can simultaneously load multiple screwdriver heads 9 of different sizes, preventing the screwdriver heads 9 from being lost due to careless placement after replacement, so as to facilitate reuse.

[0027] The rotating mechanism provided inside the first receiving joint 11 and the second receiving joint 12 ensures the smooth rotation of the screwdriver head 9 during the rotation of the screwdriver body 1, achieving efficient screw fastening while maintaining its straightness, greatly improving user convenience. The reserved mounting groove 7 on the loading ring 6 is used to load the magnet 8, and the magnet 8 fixed inside the reserved mounting groove 7 is used to limit the screwdriver head 9, so that after the screwdriver body 1 replaces the screwdriver head 9, the replaced screwdriver head 9 is placed on the loading ring 6 and limited by the magnet 8.

[0028] Furthermore, such as Figure 4 As shown, the rotating mechanism includes an arc groove 15 opened on the inner side of the first bearing joint 11 and the second bearing joint 12, and a ball bearing 16 is fitted on the inner side of the arc groove 15 with clearance.

[0029] During operation, the ball bearing 16 is loaded through the arc groove 15 opened on the inner side of the first receiving joint 11 and the second receiving joint 12, and the ball bearing 16 can rotate smoothly inside the arc groove 15. Thus, during the screwdriver head 9 screw fastening process, the positional relationship between the screwdriver head 9 and the screwdriver body 1 is kept on the same straight line, which is beneficial to the operator's accuracy of screw fastening work and improves the efficiency of screw fastening. The ball bearing 16 with the clearance fit inside the arc groove 15 can limit the screwdriver head 9 while ensuring that the rotation of the screwdriver head 9 does not lose its original smoothness.

[0030] Furthermore, such as Figure 4 As shown, threaded holes 13 are provided through the first socket 11 and the second socket 12, and threaded rods 14 are installed on the inner threads of the threaded holes 13.

[0031] During operation, the threaded rod 14 is loaded through the threaded holes 13 on the first and second connectors 11 and 12. With the threaded rod 14 installed by the inner thread of the threaded hole 13, the ball bearing 16 can be easily installed and removed.

[0032] Furthermore, such as Figure 4 As shown, a screwdriver head 9 is inserted into the loading ring 6 and located inside the reserved mounting slot 7. A protective sleeve 17 is fitted on the outside of the screwdriver head 9. The protective sleeve 17 corresponds to the ball 16. A reserved slot 18 is opened on the protective sleeve 17.

[0033] During operation, the screwdriver head 9, which is inserted into the inner side of the reserved mounting slot 7 on the loading ring 6, is the part of this device that directly contacts the screw. It is used to achieve the screw fastening work. The screw is a mature existing technology and will not be described in detail in this article. The anti-damage sleeve 17 is fitted on the outside of the screwdriver head 9 to protect the screwdriver head 9 and prevent the screwdriver head 9 from wearing out due to long-term use between the screwdriver head 9 and the ball bearing 16, which would affect the straightness of the position of the screwdriver head 9 and the screwdriver body 1. The reserved slot 18 opened on the anti-damage sleeve 17 makes the anti-damage sleeve 17 retractable, so that the anti-damage sleeve 17 can achieve a more stable connection according to the size of the screwdriver head 9.

[0034] Furthermore, such as Figure 4 As shown, the anti-damage sleeve 17 is also provided with a fastening rod 19 that passes through the reserved slot 18;

[0035] During operation, a fastening rod 19 with a through-hole 18 is provided on the anti-damage sleeve 17 to connect the two ends of the anti-damage sleeve 17, so as to ensure stable clamping of the screwdriver head 9.

[0036] Furthermore, such as Figure 1 As shown, a lithium battery pack is provided on the inside of the handle 2;

[0037] During operation, the lithium battery pack located inside the handle 2 provides power for the screwdriver body 1 to fasten the screwdriver, and it is easily replaceable, ensuring the efficient use of the screwdriver body 1.

[0038] 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 claimed utility model.

Claims

1. A novel lithium battery screwdriver, comprising a screwdriver body (1), a screwdriver mounting head (3) is fixedly arranged on the screwdriver body (1), and a handle (2) is fixedly arranged at the bottom of the screwdriver body (1), characterized in that: The screwdriver body (1) is fixedly installed with a fixed ring (4) outside the screwdriver mounting head (3), the fixed ring (4) is fixedly installed with a fixed lug (5), the fixed lug (5) is fixedly installed with a loading ring (6), the loading ring (6) is fixedly installed with a plurality of limiting racks (10), the limiting rack (10) is fixedly installed with a first receiving head (11) away from one end of the loading ring (6), the bottom of the first receiving head (11) is provided with a second receiving head (12), the inner side of the first receiving head (11) and the second receiving head (12) is provided with a rotating mechanism, the loading ring (6) is provided with a reserved installation slot (7), the inner side of the reserved installation slot (7) is fixedly provided with a magnet (8).

2. The new lithium battery screwdriver according to claim 1, characterized in that: The rotating mechanism comprises an arc slot (15) formed in the inner side of the first receiving head (11) and the second receiving head (12), and the inner side of the arc slot (15) is clearance-fitted with a ball (16).

3. The novel lithium battery screwdriver according to claim 1, characterized in that: Threaded holes (13) are formed through the first receiving head (11) and the second receiving head (12), and a threaded rod (14) is threadedly installed in the inner side of the threaded hole (13).

4. The new lithium battery screwdriver according to claim 2, characterized in that: A screwdriver bit (9) is inserted into the inner side of the reserved installation slot (7) of the loading ring (6), the outer side of the screwdriver bit (9) is sleeved with a damage prevention sleeve (17), the damage prevention sleeve (17) corresponds to the ball (16), and a reserved slot (18) is formed in the damage prevention sleeve (17).

5. The novel lithium battery screwdriver according to claim 4, characterized in that: The damage prevention sleeve (17) is further provided with a fastening rod (19) penetrating through the reserved slot (18).

6. The new lithium battery screwdriver according to claim 1, characterized in that: The inner side of the handle (2) is provided with a lithium battery pack.