TW201817551A - Bit holder with magnetic attraction - Google Patents

Abstract

The present invention discloses a bit holder with magnetic attraction which includes a first tube member and a second tube member. The second tube member is movably mounted in the axial inner of the first tube member. A magnetism element is mounted at one end of the first tube member. A driving shaft member is mounted at one end of the second tube member; a bit shaft member is mounted at the other end of the second tube member. A first blocking mechanism and a second blocking are formed at the inner wall face of the first tube member. A shoulder portion is formed at the outer surface of the second tube member. As the first tube member and the second tube member are displaced relative to each other, one end of the second tube member contacts the second blocking mechanism or the shoulder portion contacts the first blocking mechanism, and therefore the first tube member and the second tube member are not separated from each other.

Description

Magnetic socket tool

The invention relates to the technical field of a hand tool, in particular to a magnetic socket tool connecting a lever and a tool head.

Generally, a power tool or a pneumatic tool can be used to connect a set of tools, and the socket tool is connected with a screw, so that the power tool or the pneumatic tool is activated to perform the locking or unscrewing of the screw.

U.S. Patent No. 6,693,1967 discloses a connecting shaft device for screws. The technical content of the prior patent is to install a connecting shaft in a sliding sleeve. One end of the connecting shaft has a driving rod for connecting an electric or pneumatic tool, and the other end is coupled with a tool head. The sliding sleeve is relatively displaceable with the connecting shaft. In order to prevent the sliding sleeve from being displaced relative to the connecting shaft, a corresponding steel ball and a bead hole, a corresponding inclined ring groove and an elastic member are disposed between the sliding sleeve and the connecting shaft. So the structure before the patent is undoubtedly quite complicated.

U.S. Patent No. 7,261,023 discloses a bit holder device. It has a clamping body disposed in an outer casing. The clamping body and the outer casing can be displaced relative to each other. In order to prevent the clamping body from being disengaged from the outer casing, the inner wall surface of the outer casing forms a ring groove and is provided with an elastic member, and the surface of the clamping body forms a wide annular groove corresponding to the elastic member. The elastic member can be used to correspond to a wide annular groove on the surface of the holder, whereby When the clamping body and the outer casing are relatively displaced, the clamping body and the outer casing are not disengaged. However, the patent is a complicated structure.

It is an object of the present invention to provide a magnetic ferrule tool having the effect of making the structure of the tool more streamlined.

In order to achieve the above object and effect, the magnetic socket tool disclosed in the present invention comprises a first tube member which is axially internally assembled with a second tube member. A magnetic element is disposed at one end of the first tube member; a driving rod member and a tool rod member are respectively coupled to the two ends of the second tube member. Further, a first stop mechanism and a second stop mechanism are formed on an inner wall surface of the first pipe member, and a shoulder portion is formed on an outer surface of the second pipe member. The first tubular member is oppositely displaced from the second tubular member, such that one end of the second tubular member can abut against the second stop mechanism or the shoulder portion abuts the first stop mechanism, such that the first tubular member and The second tubular member does not cause detachment.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In the following, the preferred embodiments of the present invention will be described in detail with reference to the drawings.

10‧‧‧First pipe fittings

12‧‧‧ first end

14‧‧‧ second end

16‧‧‧ channel

18‧‧‧ accommodated hollow space

20‧‧‧Second pipe fittings

22‧‧‧ Connection section

24‧‧‧Drive segment

26‧‧‧Driver

28‧‧‧Connecting end

30‧‧‧Magnetic components

40‧‧‧Drive rods

50‧‧‧First stop mechanism

52‧‧‧Second stop mechanism

60‧‧‧ shoulder

70‧‧‧Tools

80‧‧‧Drive Tools

82‧‧‧ screws

Figure 1 is an exploded view of the present invention.

Fig. 2 is a combined appearance view of the present invention.

Figure 3 is a schematic view of the combined structure of the present invention.

Figure 4 is a schematic view showing the structure of the first stopper mechanism and the second stopper mechanism of the present invention.

Figure 5 is a schematic view showing the structure of the first stop mechanism and the second stop mechanism of the present invention as a convex ring Figure.

Figure 6 is a schematic view showing the structure of the mating tool member of the present invention.

Figure 7 is a schematic view showing the structure of the mating screw of the present invention.

Figure 8 is a schematic view showing the relative displacement of the first pipe member and the second pipe member of the present invention and the first stop mechanism and the shoulder portion abut each other.

Referring to FIGS. 1 and 2, a magnetic socket tool includes a combination of a first tube member 10, a second tube member 20, a magnetic member 30, and a drive member 40.

Referring to Figures 1 and 3, the first tubular member 10 has a first end 12 and a second end 14. A passage 16 is formed in an axially inner portion of the first tubular member 10, and the passage 16 connects the first end 12 and the second end 14. The first tubular member 10 has a receiving recess 18 which is located at the second end 14 of the first tubular member 10.

The second tubular member 20 is movably mounted within the passage 16 of the first tubular member 10. Further, the second tubular member 20 includes a connecting portion 22 and a driving portion 24 extending from one end of the driving portion 24, and the connecting portion 22 has an outer diameter larger than an outer diameter of the driving portion 24. Further, one end of the driving section 24 can be defined as a driving end 26, and one end of the connecting section 22 can be defined as a connecting end 28.

It is to be noted that the surface of the first tubular member 10 does not form any elastic configuration or configuration elastic member. In other words, the first tubular member 10 of the present embodiment does not clamp or limit the displacement of the second tubular member 20 in an elastic configuration or an elastic member.

The magnetic component 30 is an annular component, and the magnetic component 30 is disposed at the second recess 14 of the first tubular member 10 .

The drive rod 40 is disposed at the drive end 26 of the second tubular member 20. The driving rod member 40 and the second tube member 20 can be integrally formed by connection, or the driving rod member 40 and the second tube member 20 can be integrally formed at the time of manufacture. Secondly, the drive rod member 40 and the second tube member 20 can be metal members.

Referring to FIGS. 3 and 4, a first stop mechanism 50 and a second stop mechanism 52 are formed on the inner wall surface of the passage 16 of the first tubular member 10. Further, the first stop mechanism 50 is adjacent to the first end 12 of the first tubular member 10, and the second stop mechanism is adjacent to the second end 14 of the first tubular member 10 or adjacent to the magnetic member 30. It should be noted that the first stop mechanism 50 and the second stop mechanism 52 are a plurality of bumps.

Referring to FIG. 5, the first stop mechanism 50 is adjacent to the first end 12 of the first tubular member 10, and the second stop mechanism 52 is adjacent to or adjacent to the second end 14 of the first tubular member 10. 30. The first stopping mechanism 50 and the second stopping mechanism 52 are an annular convex ring structure.

Referring again to FIGS. 1 and 3, a shoulder 60 is formed on the surface of the second tubular member 20. Further, the shoulder 60 is formed at a position where the connecting section 22 on the surface of the second tubular member 20 is in contact with the driving section 24, and the shoulder 60 is adjacent to the driving end 26. Furthermore, the outer surface of the drive section 24 is of a cylindrical shape of a fixed outer diameter (the outer diameters of the positions of the drive section are identical), in other words the outer surface of the drive section 24 is not fitted with any restricting members or forms any restrictive configuration.

Referring to FIG. 6, a tool bar member 70 can be inserted into the connecting portion 22 from the connecting end 28 of the second tubular member 20. The tool bar member 70 can be a screwdriver bit and the work bar member 70 can be disengaged from the second end 28 of the second tubular member 20 for replacement. It should be noted that the second tubular member 20 is displaceable relative to the first tubular member 10, thereby causing the connecting end 28 to abut against the second retaining mechanism 52. Further, one end of the tool member 70 can pass through the magnetic member 30.

Referring to Figure 7, one end of the drive member 40 is used to connect a drive tool 80, such as a power tool or a pneumatic tool. One end of the tool bar member 70 is used to connect a screw 82. The driving rod member 40, the second tube member 20 and the driving tool 80 are connected without causing relative displacement.

The tool member 70 is connected to the screw 82, and the screw 82 and the magnetic member 30 generate a magnetic attraction, which may cause one end of the screw 82 to be attached to the end surface of the magnetic member 30, and the magnetic member 30 and the first member The combination of the tubular members 10 abuts against the screws 82. Thus, the screw 82 can achieve a stable positioning effect, and the torque of the driving tool 80 is transmitted to the screw 82, so that the screw 82 can stably rotate without departing from the first pipe member 10.

Referring to FIGS. 7 and 8, when the combination of the first tube member 10 and the magnetic member 30 abuts the screw 82, the first stop mechanism 50 of the inner wall surface of the first tube member 10 and the surface of the second tube member 20 The shoulders 60 are formed against each other, whereby the separation of the first tubular member 10 and the second tubular member 20 from excessive displacement can be prevented.

According to the above description, the magnetic socket tool disclosed in the embodiment utilizes the inner wall surface of the first pipe member 10 to form the first stop mechanism 50 and the second stop mechanism 52 respectively corresponding to the second pipe member 20. The connecting end 28 and the shoulder portion 60 do not need to form an elastic clamping structure on the first pipe member 10 or a restricting member on the surface of the second pipe member 20. Therefore, the embodiment has a simple and refined structure and is more manufactured. Simple and effective.

The above embodiments are merely illustrative of the technology of the present invention and its effects, and are not intended to limit the present invention. Any person skilled in the art can modify and change the above embodiments without departing from the technical spirit and spirit of the present invention. Therefore, the scope of protection of the present invention should be as listed in the patent application scope mentioned later. .

Claims (8)

A magnetic socket tool for connecting a screw and a driving tool, comprising: a first pipe member having a first end and a second end, a passage formed in an axial inner portion of the first pipe member And connecting the first end and the second end; a first stop mechanism is formed on an inner wall surface of the passage of the first pipe member, and the first stop mechanism is adjacent to the first end of the first pipe member; a magnetic element disposed at the second end of the first tubular member; a second tubular member movably mounted in the passage of the first tubular member, the second tubular member having a drive end at one end and a connecting end; a shoulder portion is formed on the surface of the second pipe member, and the shoulder portion is adjacent to the driving end; a driving rod member is disposed at the driving end of the second pipe member and is used for connecting the driving tool; The first tubular member and the second tubular member are relatively displaced such that the shoulder portion can contact the stop mechanism to form abutting state. The magnetic socket tool of claim 1, further comprising a second stop mechanism formed on an inner wall surface of the passage of the first pipe member, and the second stop The mechanism is adjacent to the magnetic element, the first tube member is in relative displacement with the second tube member, and the connecting end of the second tube member contacts the second stop mechanism. The magnetic socket tool of claim 1, wherein the first stop mechanism is selected from a convex ring structure or a plurality of bumps. The magnetic socket tool of claim 2, wherein the second stop mechanism is selected from a convex ring structure or a plurality of bumps. A magnetic socket tool for magnetically absorbing a screw and connecting a driving tool The first tube member has a first end and a second end, a passage is formed in an axial inner portion of the first tube member and connects the first end and the second end; a magnetic element is disposed at the a second end of the first tubular member; a first stop mechanism formed on an inner wall surface of the passage of the first tubular member, and the stop mechanism is adjacent to the first end of the first tubular member; a blocking mechanism is formed on an inner wall surface of the passage of the first pipe member, and the second stopping mechanism is adjacent to the magnetic element; a second pipe member is movably mounted in the passage of the first pipe member, The second pipe member includes a connecting portion connected to a driving segment, the connecting portion has an outer diameter larger than an outer diameter of the driving segment, and one end of the driving segment is a driving end, and one end of the connecting segment is a connecting end; Forming a position of the sleeve portion on the surface of the second tube member and the driving portion; a driving rod member disposed at the driving end of the second tube member for connecting the driving tool; the first tube member and The second tubular member is relatively displaced, and the shoulder is capable of contacting the first stop It means the stopping state is formed, and the connecting end of the second tubular member is capable of abutting against the second stop means. The magnetic socket tool of claim 5, wherein the outer surface of the driving segment has a cylindrical shape with a fixed outer diameter. The magnetic socket tool of claim 5, wherein the first stop mechanism is selected from a convex ring configuration or a plurality of bumps. The magnetic socket tool of claim 5, wherein the second stop mechanism is selected from a convex ring structure or a plurality of bumps.