Screw, screwdriver and combination of screw and screwdriver

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By designing a combination of screw and screwdriver, and utilizing the corresponding structure of the limiting rod and the slot, as well as the elasticity of the compression spring, the problem of screwdriver slipping out in confined spaces is solved, achieving the effect of single-handed operation and screw stabilization.

CN223725095UActive Publication Date: 2025-12-26SHENZHEN LANGMU CONSTR TECH CO LTD

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Patent Information

Application Number: CN202423152723.1
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-12-20
Publication Date: 2025-12-26
Estimated Expiration: 2034-12-20

AI Technical Summary

Technical Problem

Screwdrivers are prone to slipping when turning screws, especially in confined spaces where they are difficult to secure, affecting operational efficiency.

Method used

The design combines a screw and a screwdriver, using a corresponding structure of a limiting rod and a slot on the screw. The elasticity of the compression spring is used to fasten the screw to the screwdriver, and the screw's stability and length adjustment are achieved through the cooperation of the support shaft and the screw hole.

Benefits of technology

This allows for one-handed screw tightening in confined spaces, improving the adaptability and ease of use of screwdrivers.

✦ Generated by Eureka AI based on patent content.

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Figure CN223725095U_ABST

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Abstract

The utility model relates to the technical field of screws and screwdrivers, in particular to a screw, a screwdriver and a combination of the screw and the screwdriver, which comprises a nut, a connecting rod is mounted on one side of the nut, and a threaded groove is arranged on the outer wall of the connecting rod; the other side of the nut is provided with two crossed open grooves, and the middle parts of the open grooves correspond to the middle part of the nut; an annular limiting plate is vertically installed on the edge of the side, away from the connecting rod, of the nut. When in use, the screw, the screwdriver and the combination of the screw and the screwdriver correspond to the strip-shaped grooves through the limiting rod, the limiting rod can be arranged in the end part of the second strip-shaped groove, and the limiting rod can be tightly attached to the inner wall of the second strip-shaped groove by matching with the elastic effect of the compression spring, so that the screw is fastened on the screwdriver; the screwdriver can be conveniently held by one hand to tighten a screw on a workpiece, so that an operator does not need to support the screw, and the screwdriver can be conveniently operated and used in a narrow space.

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Description

TECHNICAL FIELD

[0001] The utility model relates to screw, screw driver technical field especially relates to a screw, screw driver and the combination of screw and screw driver. BACKGROUND

[0002] Screw is the physical and mathematical principle of using the inclined plane circular rotation and friction of object, gradually tightens the tool of machine parts, screw driver is also called screw driver (screw driver, screw driver, screw driver or screwdriver etc.), is used for screwing or unscrewing screw, mainly has two types of one and cross, this kind of tool is widely used in engineering technology, has the characteristics of fast speed, high efficiency.

[0003] When using screw driver to screw the screw into workpiece, the end of screw driver needs to be placed in the slot of screw, then the screw and screw driver are close to the hole on workpiece, and the screw is inserted into the hole, with screw driver driving screw rotating, the screw can be tightened on workpiece, realizing the fixation between two workpieces, and in the process, because screw driver and screw are connected movably, screw driver is easy to slip off from screw when driving screw rotating, affecting the continuous rotation of screw driver, especially for some narrow space and the position that the two hands of operator cannot be placed at the same time, the movable connection between screw and screw driver is more difficult to complete this kind of fixation. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the above-mentioned shortcomings in the prior art and provides a screw, a screw driver and a combination of screw and screw driver.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a screw is designed, which comprises a nut, a connecting rod is installed on one side of the nut, a threaded groove is formed in the outer wall of the connecting rod,

[0006] Two crosswise staggered grooves are formed in the other side of the nut, and the middle part of the groove corresponds to the middle part of the nut.

[0007] A ring-shaped limiting plate is vertically installed along the side edge of the nut away from the connecting rod, a ring-shaped baffle is installed along the other side inner wall of the limiting plate, a plurality of first slits are formed in the side of the limiting plate, one end of the first slit penetrates through the side of the limiting plate away from the nut, and the other end of the first slit is provided with a second slit, the second slit penetrates through the side of the limiting plate, and the middle part of the second slit corresponds to the end part of the first slit.

[0008] Preferably, a cylindrical limiting groove is arranged in the middle of the slot.

[0009] Preferably, a plurality of arc-shaped first elastic sheets are arranged along the side edge of the nut close to the connecting rod, the first elastic sheets are coaxially arranged with the connecting rod, and the end of the first elastic sheet is connected with a second elastic sheet, and the other end of the second elastic sheet is fixed on the nut.

[0010] The utility model also provides a screwdriver, including handle, one end of handle is provided with support shaft, the other end of support shaft is provided with with the corresponding spline head of slot, and the outer wall of support shaft is provided with annular groove, and the outside of support shaft is provided with the sleeve that sets up, the sleeve is matched with the clearance of support shaft, and the other end inner wall of sleeve is installed with annular plate, annular plate corresponds with annular groove, and the sleeve is provided with compression spring, one end of compression spring corresponds with annular plate, and the other end of compression spring corresponds with the end of annular groove, at least two limit rods of interval arrangement are installed on the outer wall of the other end of sleeve.

[0011] Preferably, a limiting column is arranged in the middle of the spline head.

[0012] Preferably, a plurality of screw holes are arranged on the support shaft in the axial direction of the support shaft, a cylindrical cavity is coaxially arranged on the end of the handle, the cylindrical cavity penetrates the end of the handle, the support shaft is arranged in the cylindrical cavity, a through hole is arranged on the side of the handle close to the spline head, the through hole corresponds to the screw hole, a screw rod is arranged in the through hole, one end of the screw rod penetrates the through hole and is connected with a connecting seat, a handle is arranged on the other side of the connecting seat, a receiving groove corresponding to the through hole is arranged on the outer wall of the handle, and the receiving groove corresponds to the connecting seat.

[0013] The utility model also provides a screw and screwdriver combination, which comprises a screw and a screwdriver, wherein the support shaft of the screw corresponds to the inner diameter of the baffle, and the limiting rod of the screwdriver corresponds to the first slot (10) and the second slot of the screw.

[0014] Preferably, a limiting column is arranged in the middle of the support shaft away from the handle, and the limiting column corresponds to the limiting groove.

[0015] The design scheme provided by the utility model has the following advantages in the application process:

[0016] 1、The screw, screwdriver and combination of screw and screwdriver can be taken out of the screw cap on the spline head by the corresponding of the limiting rod and the strip-shaped groove, and the limiting rod can be placed in the first strip-shaped groove by pushing the sleeve into the limiting plate, and the limiting rod can be moved to the second strip-shaped groove by rotating to the bottom, so that the limiting rod can be tightly attached to the inner wall of the second strip-shaped groove under the elastic action of the compression spring, so that the screw is tightly fixed on the screwdriver, and the screw is tightened on the workpiece by holding the screwdriver with one hand, which saves the operator's supporting operation on the screw and is more convenient for operation in a small space.

[0017] 2、The screw, screwdriver and combination of screw and screwdriver can be taken out of the screw cap on the spline head by the corresponding of the limiting rod and the strip-shaped groove, and the limiting rod can be placed in the first strip-shaped groove by pushing the sleeve into the limiting plate, and the limiting rod can be moved to the second strip-shaped groove by rotating to the bottom, so that the limiting rod can be tightly attached to the inner wall of the second strip-shaped groove under the elastic action of the compression spring, so that the screw is tightly fixed on the screwdriver, and the screw is tightened on the workpiece by holding the screwdriver with one hand, which saves the operator's supporting operation on the screw and is more convenient for operation in a small space. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The structure of the utility model is shown in the figure;

[0019] Figure 2 The structure of the utility model is shown in the figure;

[0020] Figure 3 The structure of the utility model is shown in the figure;

[0021] Figure 4 The structure of the utility model is shown in the figure;

[0022] Figure 5 The structure of the utility model is shown in the figure.

[0023] In the figure: 1, nut; 2, connecting rod; 3, thread groove; 4, slot; 5, first elastic sheet; 6, second elastic sheet; 7, limiting groove; 8, limiting plate; 9, baffle; 10, first strip-shaped groove; 11, second strip-shaped groove; 12, supporting shaft; 13, spline head; 14, limiting column; 15, screw hole; 16, handle; 17, cylindrical cavity; 18, through hole; 19, accommodating groove; 20, screw rod; 21, connecting seat; 22, handle; 23, annular groove; 24, sleeve; 25, annular plate; 26, compression spring; 27, limiting rod. DETAILED DESCRIPTION

[0024] The technical scheme 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, not all the embodiments.

[0025] Referring to Figure 1 , Figure 2 , Figure 3A screw, comprising a screw cap 1, a connecting rod 2 is installed on one side of the screw cap 1, and a threaded groove 3 is formed on the outer wall of the connecting rod 2;

[0026] Two cross staggered grooves 4 are formed on the other side of the screw cap 1, the middle part of the groove 4 corresponds to the middle part of the screw cap 1, a cylindrical limiting groove 7 is arranged in the middle part of the groove 4, and the limiting groove 7 is formed on the middle part of the screw cap 1;

[0027] A limiting plate 8 is vertically installed along the side edge of the screw cap 1 away from the connecting rod 2, a baffle 9 is installed along the other side inner wall of the limiting plate 8, a plurality of first strip grooves 10 are arranged in the limiting plate 8, one end of the first strip groove 10 penetrates through the side of the limiting plate 8 away from the screw cap 1, and the other end of the first strip groove 10 is vertically provided with a second strip groove 11, the second strip groove 11 penetrates through the side of the limiting plate 8, and the middle part of the second strip groove 11 corresponds to the end part of the first strip groove 10.

[0028] A plurality of arc-shaped first elastic sheets 5 are arranged along the side edge of the screw cap 1 close to the connecting rod 2, the first elastic sheet 5 is coaxially arranged with the connecting rod 2, and the end part of the first elastic sheet 5 is connected with a second elastic sheet 6, the other end of the second elastic sheet 6 is fixed on the screw cap 1, after the screw is screwed on the workpiece, the first elastic sheet 5 will contact the workpiece before the screw cap 1, with the connecting rod 2 continuing to stretch into the workpiece, the second elastic sheet 6 will be deformed to generate an elastic effect between the screw cap 1 and the workpiece, so as to provide tension for the screw, and improve the fastening effect of the screw on the workpiece.

[0029] Referring to Figure 1 , Figure 4 , Figure 5 The utility model also provides a screwdriver, including handle 16, one end of handle 16 is provided with support shaft 12, the other end of support shaft 12 is provided with with the groove 4 corresponding spline head 13, the middle part of spline head 13 is provided with limiting post 14, and annular groove 23 is formed along the outer wall of support shaft 12, and sleeve 24 is sleeved on the outside of support shaft 12, sleeve 24 is in clearance fit with support shaft 12, annular plate 25 is installed on the other end inner wall of sleeve 24, annular plate 25 corresponds with annular groove 23, compression spring 26 is arranged in sleeve 24, one end of compression spring 26 corresponds with annular plate 25, the other end of compression spring 26 corresponds with the end of annular groove 23, at least two limiting rods 27 that are arranged at intervals are installed on the other end outer wall of sleeve 24, sleeve 24 can slide on support shaft 12, and is elastically acted by compression spring 26 in the sliding process;

[0030] A plurality of screw holes 15 are formed in the support shaft 12 and arranged along the axial direction of the support shaft 12, a cylindrical cavity 17 is coaxially formed in the end of the handle 16, the cylindrical cavity 17 penetrates the end of the handle 16, and the support shaft 12 is arranged in the cylindrical cavity 17, so that the support shaft 12 can freely slide in the cylindrical cavity 17, a through hole 18 is formed in the side of the handle 16 close to the spline head 13, the through hole 18 corresponds to the screw hole 15, a screw rod 20 is arranged in the through hole 18, one end of the screw rod 20 penetrates the through hole 18 and is connected with a connecting seat 21, the other side of the connecting seat 21 is provided with a handle 22, a receiving groove 19 corresponding to the through hole 18 is formed in the outer wall of the handle 16, and the receiving groove 19 corresponds to the connecting seat 21; after the support shaft 12 is moved to slide in the cylindrical cavity 17 and is arranged at a proper position, the screw rod 20 can be inserted into the through hole 18 and screwed into the screw hole 15, and when the screw rod 20 extends from the other end of the screw hole 15, the screw rod 20 can be arranged in the other end of the through hole 18, so that the support shaft 12 can be fastened in the cylindrical cavity 17, and the screw rod 20 is limited, and the support shaft 12 is more stable.

[0031] Referring Figures 1-5 The utility model also provides a screw and screwdriver combination, including screw and screwdriver, wherein, the support shaft 12 of screw corresponds with the inner diameter of baffle 9, the limiting rod 27 of screwdriver corresponds with first strip slot 10, second strip slot 11.

[0032] Specifically, in use, the operator respectively takes the screw and the screwdriver, arranges the limiting column 14 in the limiting groove 7, so that under the condition of not having sufficient field of vision, the spline head 13 can be quickly aligned and arranged in the slot 4, when the spline head 13 is arranged in the slot 4, the limiting rod 27 needs to be correspondingly arranged in the first strip slot 10, the sleeve 24 moves the limiting rod 27 to the second strip slot 11, and the sleeve 24 rotates to arrange the limiting rod 27 at the end of the second strip slot 11, at this time, the screw is fastened on the screwdriver, if the spline head 13 is not arranged in the slot 4, the screwdriver can be rotated, so that the spline head 13 is inserted into the slot 4, then the operator can hold the handle 16, and the screw is arranged on the hole position of the workpiece, so that the handle 16 is rotated to screw the screw into the workpiece, finally, the limiting rod 27 is moved out of the second strip slot 11 by moving the sleeve 24 again, so that the screwdriver can be taken down, and the installation operation of the next screw can be continued.

[0033] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A screw, characterized by: The utility model provides a nut (1), is equipped with connecting rod (2) on one side of nut (1), is equipped with thread groove (3) on the outer wall of connecting rod (2), Two cross staggered slot (4) are arranged on the other side of nut (1), and the middle part of slot (4) corresponds to the middle part of nut (1); The limit plate (8) is vertically arranged on the side edge of nut (1) away from connecting rod (2), the baffle (9) is arranged on the other side inner wall of limit plate (8), a plurality of first slot (10) are arranged on the side of limit plate (8), one end of first slot (10) penetrates the side of limit plate (8) away from nut (1), and the other end of first slot (10) is vertically provided with second slot (11), and second slot (11) penetrates the side of limit plate (8), and the middle part of second slot (11) corresponds to the end of first slot (10).

2. A screw as claimed in claim 1, wherein: The limit slot (7) is arranged in the middle part of slot (4) and is arranged in the middle part of nut (1).

3. A screw as claimed in claim 1, wherein: A plurality of first elastic sheet (5) are arranged on the side edge of nut (1) close to connecting rod (2), the first elastic sheet (5) is coaxially arranged with connecting rod (2), and the end of first elastic sheet (5) is connected with second elastic sheet (6), and the other end of second elastic sheet (6) is fixed on nut (1).

4. A screwdriver for use with a screw as claimed in any one of claims 1 to 3, characterised in that: The utility model provides a nut (1), is equipped with connecting rod (2) on one side of nut (1), is equipped with thread groove (3) on the outer wall of connecting rod (2), 5. A screwdriver according to claim 4, wherein: Two cross staggered slot (4) are arranged on the other side of nut (1), and the middle part of slot (4) corresponds to the middle part of nut (1); 6. A screwdriver according to claim 4, wherein: The limit plate (8) is vertically arranged on the side edge of nut (1) away from connecting rod (2), the baffle (9) is arranged on the other side inner wall of limit plate (8), a plurality of first slot (10) are arranged on the side of limit plate (8), one end of first slot (10) penetrates the side of limit plate (8) away from nut (1), and the other end of first slot (10) is vertically provided with second slot (11), and second slot (11) penetrates the side of limit plate (8), and the middle part of second slot (11) corresponds to the end of first slot (10). The limit slot (7) is arranged in the middle part of slot (4) and is arranged in the middle part of nut (1). A plurality of first elastic sheet (5) are arranged on the side edge of nut (1) close to connecting rod (2), the first elastic sheet (5) is coaxially arranged with connecting rod (2), and the end of first elastic sheet (5) is connected with second elastic sheet (6), and the other end of second elastic sheet (6) is fixed on nut (1). The utility model provides a nut (1), is equipped with connecting rod (2) on one side of nut (1), is equipped with thread groove (3) on the outer wall of connecting rod (2), Two cross staggered slot (4) are arranged on the other side of nut (1), and the middle part of slot (4) corresponds to the middle part of nut (1); The limit plate (8) is vertically arranged on the side edge of nut (1) away from connecting rod (2), the baffle (9) is arranged on the other side inner wall of limit plate (8), a plurality of first slot (10) are arranged on the side of limit plate (8), one end of first slot (10) penetrates the side of limit plate (8) away from nut (1), and the other end of first slot (10) is vertically provided with second slot (11), and second slot (11) penetrates the side of limit plate (8), and the middle part of second slot (11) corresponds to the end of first slot (10). The limit slot (7) is arranged in the middle part of slot (4) and is arranged in the middle part of nut (1). A plurality of first elastic sheet (5) are arranged on the side edge of nut (1) close to connecting rod (2), the first elastic sheet (5) is coaxially arranged with connecting rod (2), and the end of first elastic sheet (5) is connected with second elastic sheet (6), and the other end of second elastic sheet (6) is fixed on nut (1). The utility model provides a nut (1), is equipped with connecting rod (2) on one side of nut (1), is equipped with thread groove (3) on the outer wall of connecting rod (2), Two cross staggered slot (4) are arranged on the other side of nut (1), and the middle part of slot (4) corresponds to the middle part of nut (1); The limit plate (8) is vertically arranged on the side edge of nut (1) away from connecting rod (2), the baffle (9) is arranged on the other side inner wall of limit plate (8), a plurality of first slot (10) are arranged on the side of limit plate (8), one end of first slot (10) penetrates the side of limit plate (8) away from nut (1), and the other end of first slot (10) is vertically provided with second slot (11), and second slot (11) penetrates the side of limit plate (8), and the middle part of second slot (11) corresponds to the end of first slot (10). The limit slot (7) is arranged in the middle part of slot (4) and is arranged in the middle part of nut (1). A plurality of first elastic sheet (5) are arranged on the side edge of nut (1) close to connecting rod (2), the first elastic sheet (5) is coaxially arranged with connecting rod (2), and the end of first elastic sheet (5) is connected with second elastic sheet (6), and the other end of second elastic sheet (6) is fixed on nut (1).

7. A screw and screwdriver combination, characterised in that: The screw includes the screw as claimed in any one of claims 1 to 3, and the screwdriver as claimed in any one of claims 4 to 6. The support shaft (12) of the screw corresponds to the inner diameter of the baffle (9), and the limiting rod (27) of the screwdriver corresponds to the first and second strip-shaped grooves (10, 11).

8. A screw and screwdriver combination according to claim 7, wherein: A limiting post (14) is installed in the middle of the end of the support shaft (12) away from the handle (16), and the limiting post (14) corresponds to the limiting groove (7).