Clamp screw assembling bit structure
By designing a clamp screw assembly bit structure and utilizing the design of magnetic rings and sealing rings, the problem that existing bit structures cannot adapt to screws of different specifications is solved, enabling rapid switching and efficient assembly.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-07
- Publication Date
- 2026-04-07
AI Technical Summary
Existing screw assembly bits are not compatible with different sizes of furniture connecting rods, making them inconvenient to use and resulting in low work efficiency.
A clamp screw assembly bit structure was designed, including a bit body and a connecting sleeve. The bit body and the connecting sleeve are inserted and fixed. The connecting sleeve is provided with a magnetic ring assembly groove and a sealing ring groove. The screw is attracted by a strong magnetic ring, and the circular sealing ring is positioned in the bit groove to improve concentricity and quickly switch between various screws without needing to be tightened.
It enables quick switching between different screw sizes, improves concentricity, prevents screws from loosening, and increases work efficiency.
Smart Images

Figure CN224088913U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of clamp screw assembly bit structure, belong to screw assembly bit technical field. BACKGROUND
[0002] Screw assembly bit is installed on electric screwdriver, electric drill and other electric tools for the component for loosening screw.
[0003] The existing screw assembly bit is often used for furniture connecting rod of different specifications when assembling furniture, and the current bit and sleeve cannot be adjusted, so it cannot be assembled with screws of different specifications and sizes, which is inconvenient to use and low in work efficiency. To solve the above technical problems, a clamp screw assembly bit structure is designed. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a kind of clamp screw assembly bit structure to solve the problems raised in the above background technology.
[0005] To achieve the above object, the utility model provides the following technical scheme: including bit body and connecting sleeve, the bit body is inserted with connecting sleeve and is fixed, the bit body is composed of bit end, screwdriver head and bit middle part, the bit middle part is fixedly connected with bit end as a whole at one end, the bit middle part is fixedly provided with screwdriver head as a whole at the other end, the inner wall of one end of connecting sleeve is provided with magnetic ring assembly groove, and strong magnetic ring is fixedly installed in the inside of magnetic ring assembly groove.
[0006] In the above-mentioned clamp screw assembly bit structure, the surface of the bit end is respectively provided with a first groove and a second groove, and the first groove and the second groove are designed in a circular arc shape.
[0007] In the above-mentioned clamp screw assembly bit structure, the surface of the bit middle part is provided with seven-grade bit grooves, and the sizes of the seven-grade bit grooves are all the same, and the bit middle part is in the shape of a hexagonal prism.
[0008] In the above-mentioned clamp screw assembly bit structure, the connecting sleeve is composed of a circular cylinder and an inner arc part, the middle part of the circular cylinder is provided with an inner arc part, and the inner arc part is used to increase the gripping force.
[0009] In the above-mentioned clamp screw assembly bit structure, the inner wall of the other end of the connecting sleeve is provided with a sealing ring assembly groove, and a circular sealing rubber ring is nested and connected in the inside of the sealing ring assembly groove, which can be clamped in the seven-grade bit groove.
[0010] In the above-mentioned clamp screw assembly bit structure, the middle part of the connecting sleeve is provided with an inner hexagonal hole, and the inner hexagonal hole is matched with the bit middle part.
[0011] Compared with the prior art, the screw assembly bit has the advantages that the screw assembly bit is simple in structure and convenient to use, the strong magnetic ring assembled in the magnetic ring assembly groove at the end of the connecting sleeve can attract the screw, the shape of the middle part of the bit is consistent with the inside of the connecting sleeve, the round sealing rubber ring provided at the end of the connecting sleeve can clamp one of the seven-gear bit grooves, the concentricity of the connecting sleeve and the bit body is improved, various screws can be quickly switched without holding and twisting, and the depth of the screw cap is limited. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 FIG. 1 is a structural schematic view of a clamp screw assembly bit structure of the utility model;
[0013] Figure 2 FIG. 2 is an expanded structural schematic view of the clamp screw assembly bit structure of the utility model;
[0014] Figure 3 FIG. 3 is a connecting sleeve structural schematic view of the clamp screw assembly bit structure of the utility model;
[0015] Figure 4 FIG. 4 is a connecting sleeve cross-sectional structural schematic view of the clamp screw assembly bit structure of the utility model.
[0016] In the figure: 1, bit body; 101, bit end; 102, first groove; 103, second groove; 104, seven-gear bit groove; 105, screw driver bit; 106, bit middle part; 2, connecting sleeve; 201, round cylinder; 202, inner arc part; 203, round sealing rubber ring; 204, strong magnetic ring; 205, magnetic ring assembly groove; 206, inner hexagonal hole; 207, sealing ring assembly groove. DETAILED DESCRIPTION
[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0018] Please refer to Figures 1-4 The utility model provides a clamp screw assembly bit structure technical scheme:
[0019] According to Figures 1-4As shown, including the head body 1 and connecting sleeve 2, the head body 1 and connecting sleeve 2 plug-in fixed, the head body 1 is composed of head end 101, screwdriver head 105 and head middle part 106, one end of the head middle part 106 is fixedly connected with the head end 101, the other end of the head middle part 106 is fixedly provided with the screwdriver head 105 integrally, the inner wall of one end of the connecting sleeve 2 is provided with a magnetic ring assembly groove 205, and a strong magnetic ring 204 is fixedly installed in the magnetic ring assembly groove 205.
[0020] Specifically, the screw assembly head is simple in structure and convenient to use, the strong magnetic ring 204 assembled in the magnetic ring assembly groove 205 at the end of the connecting sleeve 2 can attract the screw, the shape of the head middle part 106 is consistent with the inside of the connecting sleeve 2, the round sealing rubber ring 203 provided at the end of the connecting sleeve 2 can be clamped in one of the seven-gear head grooves 104, the concentricity of the connecting sleeve 2 and the head body 1 is improved, various screws can be quickly switched without holding and twisting, and the depth of the screw cap is limited.
[0021] According to Figure 1 , Figure 2 , Figure 3 and Figure 4 , the surface of the head end 101 is provided with a first groove 102 and a second groove 103, respectively, and the first groove 102 and the second groove 103 are designed in a circular arc shape.
[0022] Specifically, by providing the first groove 102 and the second groove 103, the head body 1 can be used on the electric tool and the quick-release handle.
[0023] The surface of the head middle part 106 is provided with seven-gear head grooves 104, and the sizes of the seven-gear head grooves 104 are the same, and the head middle part 106 is in a hexagonal prism shape.
[0024] Specifically, by the hexagonal prism shape design, the head middle part 106 can be matched with the internal hexagonal hole 206 in the connecting sleeve 2.
[0025] The connecting sleeve 2 is composed of a circular cylinder 201 and an inner arc part 202, the middle part of the circular cylinder 201 is provided with the inner arc part 202, and the inner arc part 202 is used to increase the gripping force and facilitate free adjustment.
[0026] The other end of the connecting sleeve 2 is provided with a sealing ring assembly groove 207, and the circular sealing rubber ring 203 is nested and connected in the sealing ring assembly groove 207, and the circular sealing rubber ring 203 can be clamped in the seven-gear head groove 104.
[0027] Specifically, by clamping the circular sealing rubber ring 203 and the seven-gear head groove 104 provided in the head middle part 106, the depth of the screwdriver head 105 and the outside can be controlled, and screws of different lengths can be matched.
[0028] The middle part of the connecting sleeve 2 is provided with an internal hexagonal hole 206 which is matched with the middle part 106 of the bit.
[0029] Specifically, through the matching of the internal hexagonal hole 206 and the middle part 106 of the bit, the bit body 1 is limited during the rotation of the hand holding the connecting sleeve 2.
[0030] The working principle of the utility model discloses a clamp screw assembly bit structure, the screw assembly bit structure, the bit end 101 of bit body 1 can be assembled with electric tool or assembled on quick release handle for use through the design of flat double groove of first groove 102 and second groove 103, the other end of bit body 1 is designed through screwdriver head 105, which is convenient for the tightening of bolt or the head suitable for various three-in-one screws, the middle part of the appearance of connecting sleeve 2 is designed through internal arc part 202, which can increase the gripping force of connecting sleeve 2, and it is convenient to adjust freely, one end of connecting sleeve 2 is internally provided with magnetic ring assembly groove 205, and strong magnetic ring 204 is assembled in the inside of magnetic ring assembly groove 205, which can attract screws, the internal hexagonal hole 206 in the middle of connecting sleeve 2 is inlaid with the hexagonal prism of the middle part 106 of the bit, which can fix bit body 1, the other end of connecting sleeve 2 is provided with sealing ring assembly groove 207, and circular sealing rubber ring 203 is assembled in sealing ring assembly groove 207, one of seven-gear bit groove 104 can be clamped through sealing ring assembly groove 207, which ensures the concentricity of connecting sleeve 2 and bit body 1, according to the different clamping positions of circular sealing rubber ring 203, the position of screwdriver head 105 in connecting sleeve 2 can be adjusted, various screws can be quickly switched and held, the depth of the limiting screw cap can be adjusted, various specifications of screws can be quickly switched and held, the depth of the limiting screw cap can be adjusted, the concentricity is improved to avoid the connection rod, screw loosening and screw cap over-tightening.
[0031] The contents not described in detail in the specification belong to the prior art known to those skilled in the art. The specific embodiments described in the specification are only illustrative of the spirit of the utility model. Those skilled in the art to which the utility model belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the utility model or exceed the scope defined by the attached claims.
Claims
1. A clamp screw assembly bit structure, comprising a bit body (1) and a connecting sleeve (2), wherein the bit body (1) and the connecting sleeve (2) are inserted and fixedly connected, characterized in that, The bit body (1) consists of a bit end (101), a screwdriver head (105) and a bit middle (106). One end of the bit middle (106) is fixedly connected to the bit end (101) which is integrated with the bit. The other end of the bit middle (106) is fixedly provided with the screwdriver head (105) which is integrated with the bit. A magnetic ring assembly groove (205) is opened on the inner wall of one end of the connecting sleeve (2). A strong magnetic ring (204) is fixedly installed inside the magnetic ring assembly groove (205).
2. The clamp screw assembly bit structure according to claim 1, characterized in that: The surface of the bit end (101) is provided with a first groove (102) and a second groove (103), and the first groove (102) and the second groove (103) are arc-shaped.
3. The clamp screw assembly bit structure according to claim 1, characterized in that: The surface of the middle part (106) of the bit is provided with seven bit grooves (104), and the seven bit grooves (104) are all the same size. The middle part (106) of the bit is hexagonal prism.
4. The clamp screw assembly bit structure according to claim 1, characterized in that: The connecting sleeve (2) is composed of a circular cylindrical body (201) and an inner arc portion (202). The inner arc portion (202) is provided in the middle of the circular cylindrical body (201) and is used to increase grip strength.
5. The clamp screw assembly bit structure according to claim 3, characterized in that: The inner wall of the other end of the connecting sleeve (2) is provided with a sealing ring assembly groove (207), and a circular sealing rubber ring (203) is nested inside the sealing ring assembly groove (207). The circular sealing rubber ring (203) can be locked into the seven-position bit groove (104).
6. The clamp screw assembly bit structure according to claim 5, characterized in that: The connecting sleeve (2) has an internal hexagonal hole (206) in the middle, which is adapted to the middle part (106) of the bit.