CN212146179U

CN212146179U - Screwdriver with magnet

Info

Publication number: CN212146179U
Application number: CN201922485978.2U
Authority: CN
Inventors: 俞剑
Original assignee: Ningbo Decheng Tools Co ltd
Current assignee: Ningbo Decheng Tools Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-12-15
Anticipated expiration: 2029-12-30

Abstract

The utility model discloses a screwdriver with magnet, wherein screwdriver with magnet includes a handle, a cutter arbor and a magnet, wherein the cutter arbor have a link and with a magnetism end that the link is relative, wherein the link is fixed in the handle, magnetism end is used for matcing treats fixed screw, wherein the cutter arbor has a main part and a magnetic conduction portion, the main part form an installation cavity with the link, wherein magnetic conduction portion forms the magnetism end, wherein the main part is implemented to be made by non-magnetic material, wherein magnetic conduction portion is implemented to be made by magnetic material, wherein the magnet is fixed in the installation cavity.

Description

Screwdriver with magnet

Technical Field

The present application relates to a screwdriver, and more particularly, to a screwdriver with a magnet.

Background

Screwdrivers are commonly used to turn screws, and the shape and size of screwdrivers vary. The prior art screwdrivers typically have a magnetic end and a screw engaging end. Typically the magnetic tip is formed from a non-metallic material, particularly a plastics material. The screw butt end is typically formed of a metallic material, such as a ferrous material. The main reason why the screw abutting end is made of iron material is to prevent the screw abutting end from being deformed so as not to be matched with the screw when the screw driver and the screw are contacted to generate an interaction force. The shapes of the screw butt ends of the screwdrivers in the prior art are different, and are generally flat-head-shaped, cross-shaped, pentagonal and the like.

The main function of the screwdriver in the prior art is to screw the screw into the object to be fixed. While the screws usually have a certain mass. When using the screwdriver, the screw needs to be pre-fixed manually first to facilitate the user to align the screwdriver with the screw. But because the volume of the screw is small, it is very inconvenient if the user needs to fix the screw manually. In addition, if the screwdriver needs to be screwed, when the force of the screwdriver is large, a user cannot operate the screwdriver with two hands simultaneously.

Whereas if the shank of the screwdriver is provided as a magnet, the entire screwdriver will readily attract objects having magnetic properties. But the screw is also subjected to forces in different directions by the screwdriver and is deflected when rotated by the screwdriver.

Disclosure of Invention

It is an object of the present application to provide a screwdriver with a magnet that can attract a screw, thereby eliminating the need for a user to manually pre-fix the screw to be tightened.

Another object of the present application is to provide a screwdriver with magnets, wherein the screwdriver with magnets can attract the screw in the direction extending from the screw to be tightened, thereby avoiding the deflection of the screw during the rotation thereof.

Another object of the present application is to provide a screwdriver with a magnet, wherein the screwdriver with a magnet has a simple structure and is easy to manufacture.

In order to realize the utility model discloses above at least one purpose, the utility model provides a screwdriver with magnet, wherein the screwdriver with magnet includes:

a handle;

a tool bar, wherein the tool bar has a connection end and a magnetic end opposite to the connection end, wherein the connection end is fixed to the handle and the magnetic end is used to match a screw to be fixed, wherein the tool bar has a main body part and a magnetically conductive part, the main body part forms a mounting cavity and the connection end, wherein the magnetically conductive part forms the magnetic end, wherein the main body part is made of a non-magnetic material, wherein the magnetically conductive part is made of a magnetic material; and

a magnet, wherein the magnet is secured to the mounting cavity.

According to the utility model discloses an embodiment, the cutter arbor the main part has the week lateral of a chamber diapire the link extends integratively, in order to form the installation cavity with the link end form with an opening of installation cavity intercommunication, wherein the magnet certainly the opening is inserted in the installation cavity.

According to the utility model discloses an embodiment, the magnet orientation with the one end of chamber diapire with distance between the magnetism end is implemented for 1 ~ 1.5 cm.

According to the utility model discloses an embodiment, the cutter arbor the main part is being close to the outer wall of link forms an at least flank, the cutter arbor the link is inserted behind the handle, the lateral wall by the gomphosis in the cutter arbor.

According to the utility model discloses an embodiment, magnetic conduction portion with the main part forms through integrated into one piece's mode.

Further objects and advantages of the invention will be fully apparent from the ensuing description and drawings.

These and other objects, features and advantages of the present invention will become more fully apparent from the following detailed description, the accompanying drawings and the appended claims.

Drawings

These and/or other aspects and advantages of the present invention will become more apparent and more readily appreciated from the following detailed description of the embodiments of the invention, taken in conjunction with the accompanying drawings of which:

fig. 1 shows a perspective view of a screwdriver with a magnet according to the present invention.

Fig. 2 shows a cross-sectional view of the screwdriver with magnet according to the present invention.

Fig. 3 shows an exploded view of the screwdriver with magnet according to the present invention.

Fig. 4 shows a cross-sectional view of another embodiment of the screwdriver with magnet according to the present invention.

Fig. 5 shows an exploded view of another embodiment of the screwdriver with magnet according to the present invention.

Detailed Description

The terms and words used in the following specification and claims are not limited to the literal meanings, but are used only by the person of the invention to enable a clear and consistent understanding of the invention. Accordingly, it will be apparent to those skilled in the art that the following descriptions of the various embodiments of the present invention are provided for illustration only and not for the purpose of limiting the invention as defined by the appended claims and their equivalents.

It is understood that the terms "a" and "an" should be interpreted as meaning that a number of one element or element is one in one embodiment, while a number of other elements is one in another embodiment, and the terms "a" and "an" should not be interpreted as limiting the number.

While ordinal numbers such as "first," "second," etc., will be used to describe various components, those components are not limited herein. The term is used only to distinguish one element from another. For example, a first component could be termed a second component, and, similarly, a second component could be termed a first component, without departing from the teachings of the present inventive concept. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 3, a screwdriver 100 with a magnet according to a preferred embodiment of the present invention will be described in detail below, wherein the screwdriver 100 with a magnet can suck a screw to be fixed, so that a user can rotate the screwdriver 100 with both hands without pre-fixing the screw with hands.

The screwdriver with magnet 100 includes a handle 10 and a blade 20. The tool shank 20 has a connecting end 201 and a magnetic end 202 opposite the connecting end 201. The connection end 201 is fixed to the handle 10. The magnetic end 202 is shaped to match the screw to be secured, such as a flat head, cross, pentagonal, etc., as is common.

In the present invention, the tool bar 20 forms a mounting cavity 203. The screwdriver with magnet 100 includes a magnet 30. The magnet 30 is accommodated in the mounting cavity 203.

Specifically, in an embodiment of the present invention, the periphery of the tool bar 20 having a cavity bottom wall 204 extends integrally to the connecting end 201 to form the mounting cavity 203 and an opening 205 communicating with the mounting cavity 203 is formed at the connecting end 201. The magnet 30 is inserted into the mounting cavity 203 from the opening 205.

The magnet 30 is implemented as a rod, wherein one end of the magnet 30 faces the cavity bottom wall 204 after being inserted into the mounting cavity 203. Preferably, the distance between the end of the magnet 30 facing the cavity bottom wall 204 and the magnetic end 202 is implemented to be 1-1.5 cm. It is understood that when the distance between the end of the magnet 30 that is kept in contact with the cavity bottom wall 204 and the magnetic end 202 is implemented in this range, it is possible to ensure that the screw can be attracted by the magnetic end 202. It is understood that in the present invention, the tool bar 20 is implemented to be made of a magnetic conductive material such as iron, cobalt, nickel material.

Preferably, in the present embodiment, the tool bar 20 has a main body portion 21 and a magnetic conductive portion 22. The body portion 21 forms the mounting cavity 203, the connection end 201, and the magnetic end 202. The cavity bottom wall 204 integrally extends to form the magnetically permeable portion 22. The magnetically permeable portion 22 forms the magnetic end 202. In the present embodiment, the body portion 21 is implemented as a non-magnetic material. With such a design, when the magnet 30 is mounted in the mounting cavity 203, the main body 21 does not generate magnetism, and further, when the screwdriver 100 with a magnet is used to tighten the screw, the screw is not biased, so that the screw is prevented from deflecting when being tightened. For example, in the present invention, the main body 21 may be made of plastic material, alloy, etc. without magnetic conductivity. The present invention is not limited in this respect.

Further, the main body 21 of the tool bar 20 forms at least one side wing 23 on the outer wall near the connecting end 201. After the connecting end 201 of the screwdriver rod 20 is inserted into the handle 10, the side wall 25 is engaged with the screwdriver rod 20, so that the screwdriver rod 20 is prevented from rotating relative to the handle 10 during use.

Referring to fig. 4 and 5, further, in another embodiment of the present invention, the screwdriver with magnet 100 includes a handle 10A and a blade 20A. The tool bar 20A has a connecting end 201A and a magnetic end 202A opposite to the connecting end 201A. The connection end 201A is fixed to the handle 10A. The magnetic end 202A is shaped to match the screw to be secured, such as a flat head, cross, pentagonal, etc. shape as is common.

In the present invention, the tool bar 20A forms a mounting cavity 203A. The screwdriver with magnet 100 includes a magnet 30A. The magnet 30A is accommodated in the mounting cavity 203A.

The holder 20A has a cavity bottom wall 204A and an open end 205A, wherein the peripheral side of the cavity bottom wall 204A integrally extends toward the open end 205A to form the mounting cavity 203A.

The magnet 30A is implemented as a rod, wherein one end of the magnet 30A is held in contact with the cavity bottom wall 204A and the other end faces the open end 205A after the magnet 30A is inserted into the mounting cavity 203A.

The tool bar 20A includes a main body 21A and a magnetic conductive portion 22A. The magnetic conductive portion 22A forms the connection end 201A and the magnetic end 202A, and the magnetic conductive portion 22A has an insertion end 221A opposite to the magnetic end 202A. The insertion end 221A of the magnetically permeable portion 22A is removably magnetically coupled to the magnet 30A, and the insertion end 221A of the magnetically permeable portion 22A is inserted into the mounting cavity 203A from the open end 205A. Further, the cross-sectional shape of the insertion end 221A of the magnetically permeable portion 22A is non-circular so that the magnetically permeable portion 22A rotates in synchronization with the holder 20A after the magnetically permeable portion 22A is inserted into the mounting cavity 203A and the holder 20A is rotated.

Further, the main body 21A of the tool bar 20A forms at least one side wing 23A on the outer wall near the connecting end 201A. When the connecting end 201A of the blade bar 20A is inserted into the handle 10A, the shoulder 23A is engaged with the blade bar 20A, thereby preventing the blade bar 20A from rotating relative to the handle 10A during use of the screwdriver 100 with a magnet.

It is worth mentioning that in the utility model discloses in, magnetic conduction portion 22 set up detachably install in installation cavity 203, consequently, screwdriver 100 with magnet magnetic conduction portion 22 can be changed to have different shapes the magnetism end to the realization is fixed the screw that has different shapes.

It will be understood by those skilled in the art that the embodiments of the present invention as described above and shown in the drawings are given by way of example only and are not limiting of the present invention. The objects of the present invention have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the embodiments, and any variations or modifications may be made without departing from the principles of the present invention.

Claims

1. A screwdriver with a magnet, wherein said screwdriver with a magnet comprises:

a handle;

a magnet, wherein the magnet is secured to the mounting cavity.

2. The screwdriver as claimed in claim 1, wherein the body portion of the screwdriver bar has a peripheral side with a cavity bottom wall integrally extending toward the connection end to form the mounting cavity and an opening communicating with the mounting cavity at the connection end, wherein the magnet is inserted into the mounting cavity from the opening.

3. The screwdriver with magnet according to claim 1, wherein the distance between the end of the magnet facing the bottom wall of the cavity and the magnetic end is implemented to be 1-1.5 cm.

4. The screwdriver with magnet according to claim 2, wherein the distance between the end of the magnet facing the bottom wall of the cavity and the magnetic end is implemented to be 1-1.5 cm.

5. The screwdriver as claimed in claim 1, wherein the body of the screwdriver rod forms at least one wing on an outer wall thereof adjacent to the connection end, the wing being engaged with the screwdriver rod after the connection end of the screwdriver rod is inserted into the handle.

6. The screwdriver as claimed in any one of claims 2 to 4, wherein the main body of the screwdriver rod forms at least one side wing on an outer wall near the connecting end, and the side wing is engaged with the screwdriver rod after the connecting end of the screwdriver rod is inserted into the handle.

7. The screwdriver with magnet according to claim 1, wherein the magnetically conductive part and the main body part are formed by integral molding.

8. The screwdriver with magnet according to claim 6, wherein the magnetic conductive part and the main body part are formed by integral molding.