Quick magnetization or demagnetization device for driver or wrench

Abstract

To provide a quick magnetization device or a demagnetization device for a driver or a wrench which is capable of promptly magnetizing or demagnetizing a driver or a wrench even if a small number of components is adopted, and applicable to a hand tool having a small diameter.SOLUTION: A quick magnetization or demagnetization device for a driver or a wrench includes a first main body 1, a second main body 2 and two sets of strong magnets 3 and 4. A first slide part 13 and a first slide groove part 15 are provided on a first pedestal 11 of the first main body, and a second slide part 23 and a second slide groove part 25 are provided in the second main body. The strong magnets are assembled in centers of the first main body and the second main body, and a slide stroke making a storage space A adjustable is formed in the first slide part and the second slide part. Thus, an available diameter can be made small, the device can be uniformly adsorbed to the driver or the wrench, and a jump during use can be avoided.SELECTED DRAWING: Figure 3

Description

[Technical Field]

[0001] The present invention relates to hand tools, and more particularly to a quick magnetizing or demagnetizing device for a screwdriver or wrench. [Background technology]

[0002] The applicant of this application proposed a magnetizing device for hand tools, Taiwan Patent No. I721761. This device has a first body and a second body, both of which are fitted with movable connecting plates at both ends. Magnets with identically arranged magnetic poles are housed inside the first and second bodies. The magnets can be used to magnetize a screwdriver, allowing it to attract screws and other items. The user can then hold the magnetizing device and perform screw tightening tasks. The product was released and received favorable reviews in the market, but still has the following drawbacks:

[0003] (1) Due to the large number of parts, it is necessary to assemble the first body, the second body, two sets of magnets, two sets of connecting plates, and two sealing covers. It takes time to assemble the parts, and the cost is high.

[0004] (2) The volume of the magnetizing device is larger because more components need to be combined.

[0005] (3) The diameter of the driver to be magnetized is larger, and the minimum diameter of the driver that can be magnetized is 4 mm, so the applicable drivers are limited. [Prior art documents] [Patent documents]

[0006] [Patent Document 1] Taiwan Invention Publication No. I721761 Summary of the Invention [Problem to be solved by the invention]

[0007] A primary object of the present invention is to provide a quick magnetizing or demagnetizing device for a screwdriver or wrench that can quickly magnetize or demagnetize a screwdriver or wrench while employing fewer parts and that can be applied to hand tools with smaller diameters. [Means for solving the problem]

[0008] The quick magnetization or demagnetization device for a screwdriver or wrench according to the present invention includes a first body, a second body, and two sets of powerful magnets.

[0009] The first body has a first base, and a first assembly groove is provided along the center of the first base. One end of the first base, centered on the first assembly groove, extends downward to form a first sliding portion, and a barbed first snap end is provided at the bottom end of the first sliding portion. A first slide groove portion is provided at one end of the first base facing the first sliding portion.

[0010] The second body has a second base, and a second assembly groove is provided along the center of the second base so as to penetrate therethrough. One end of the second base, centered on the second assembly groove, extends upward and forms a second sliding portion. A second snap end is further provided at the top end of the second sliding portion. A second slide groove portion is provided at the other end of the second base relative to the second sliding portion.

[0011] The strong magnets are respectively assembled into the first assembly groove and the second assembly groove in accordance with the outer shapes of the first assembly groove and the second assembly groove.

[0012] By connecting the first snap end to the second slide groove and connecting the second snap end to the first slide groove and applying pressure to the first body and the second body, the first snap end fits into the second slide groove and the second snap end fits into the first slide groove. The first sliding part and the second sliding part form sliding strokes with the same distance, and the strong magnets assembled inside the first assembly groove and the second assembly groove have magnetic poles arranged in the same manner, forming an accommodating space.

[0013] When no screwdriver or wrench is inserted into the receiving space, the receiving space is repelled by a powerful magnet, and the sliding stroke is extended to the maximum.

[0014] After a screwdriver or wrench is inserted into the storage space, the two powerful magnets installed in the storage space are attracted to the screwdriver or wrench, shortening the sliding stroke to a minimum, and the first body and the second body are tightly attracted to the screwdriver or wrench.

[0015] In addition to the above embodiment, the present invention also provides another embodiment, which includes a first body, a second body, and two sets of strong magnets.

[0016] The first body has a first base, and a first assembly groove is provided along the center of the first base so as to penetrate the first base. Both ends of the first base, centered on the first assembly groove, extend downward to form a first sliding portion and a second sliding portion that are parallel to each other. The bottom ends of the first sliding portion and the second sliding portion are provided with a first snap end and a second snap end, respectively, that are barbed.

[0017] The second body has a second base, and a second assembly groove is provided along the center of the second base so as to penetrate the second base. A first slide groove portion and a second slide groove portion are provided on both ends of the second base centered around the second assembly groove so as to penetrate the second base.

[0018] The strong magnets are respectively assembled into the first assembly groove and the second assembly groove in accordance with the outer shapes of the first assembly groove and the second assembly groove.

[0019] By connecting the first snap end to the second slide groove portion, connecting the second snap end to the first slide groove portion, and applying pressure to the first main body and the second main body, the first snap end fits into the second slide groove portion, the second snap end fits into the first slide groove portion, the first sliding portion and the second sliding portion form sliding strokes of the same distance, and the strong magnets assembled inside the first assembly groove and the second assembly groove are arranged so that their magnetic poles are the same, thereby forming an accommodation space.

[0020] When no screwdriver or wrench is inserted into the receiving space, the sliding stroke of the receiving space is expanded to its maximum due to the repulsion of the two powerful magnets.

[0021] After a screwdriver or wrench is inserted into the storage space, the two powerful magnets installed in the storage space are attracted to the screwdriver or wrench, shortening the sliding stroke to a minimum, and the first body and the second body are tightly attracted to the screwdriver or wrench.

[0022] According to an embodiment of the present invention, a first guide portion is provided at the bottom end of the first slide groove portion, a first hook end is provided at the other end of the first guide portion, a second guide portion is provided at the top end of the second slide groove portion, and a second hook end is provided at the other end of the second guide portion, so that after they are combined, the first snap end and the second snap end can slide along the second guide portion and the first guide portion, between the second slide groove portion and the first slide groove portion, and the first hook end connects with the second snap end and the second hook end connects with the first snap end, preventing the first main body from separating from the second main body.

[0023] According to an embodiment of the present invention, a first guide portion is provided at the top end of the first slide groove portion, a first hook end is provided at the other end of the first guide portion, a second guide portion is provided at the top end of the second slide groove portion, and a second hook end is provided at the other end of the second guide portion, so that after they are combined, the first snap end and the second snap end can slide along the second guide portion and the first guide portion, between the second slide groove portion and the first slide groove portion, and the first hook end connects with the second snap end and the second hook end connects with the first snap end, preventing the first main body from separating from the second main body.

[0024] According to an embodiment of the present invention, the ratio of the height of the first base to the height of the first sliding part is 1:1, and the ratio of the height of the second base to the height of the second sliding part is 1:1, so that when a screwdriver or wrench is attached, the first body and the second body can be attached evenly.

[0025] According to an embodiment of the present invention, the ratio of the height of the first pedestal to the height of the bottom wall of the first assembly groove is 1:0.2, and the ratio of the height of the second pedestal to the height of the bottom wall of the second assembly groove is 1:0.2, which allows a strong magnet to attract a metal object from outside the first main body or the second main body.

[0026] According to an embodiment of the present invention, two gradually expanding first chamfered portions are formed in the center of the first assembly groove, and two gradually expanding second chamfered portions are formed in the center of the second assembly groove. The accommodation space formed by the strong magnet, the first chamfered portions, and the second chamfered portions is a hexagonal prism-shaped space. [Effects of the Invention]

[0027] The quick magnetizing or demagnetizing device for a screwdriver or wrench according to the present invention has the following effects. (1) Since the number of parts is reduced, the number of assembly steps and costs can be significantly reduced.

[0028] (2) Since the sliding stroke of the accommodation space can be controlled, the screwdriver or wrench placed inside the accommodation space can be held in the center, and jumping can be prevented during use.

[0029] (3) It is easy to use because a screwdriver or wrench can be inserted into the storage space and metal objects can also be attached to the outside.

[0030] (4) The hexagonal column-shaped space is formed in the storage space, so that the screwdriver or wrench can be tightly attached to the surface, and the occurrence of jumping during use can be prevented. [Brief explanation of the drawings]

[0031] [Figure 1] 1 is a diagram illustrating a configuration of a first embodiment of the present invention. [Figure 2]1 is an exploded perspective view showing a first embodiment of the present invention. [Figure 3] 1 is a cross-sectional view showing a configuration of a first embodiment of the present invention. [Figure 4] FIG. 1 is a schematic diagram showing a state in which the first embodiment of the present invention is used. [Figure 5] FIG. 10 is an exploded perspective view showing a second embodiment of the present invention. [Figure 6] FIG. 4 is a cross-sectional view showing the configuration of a second embodiment of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0032] Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

[0033] (First embodiment) 1 to 4, a quick magnetization or demagnetization device for a screwdriver or wrench according to a first embodiment of the present invention includes a first body 1, a second body 2, and two sets of powerful magnets 3 and 4.

[0034] 1 to 4, the first main body 1 has a first base 11, and a first assembly groove 12 is provided in the center of the first base 11 so as to pass through it. One end of the first base 11, centered on the first assembly groove 12, extends downward to form a first sliding portion 13, and a barb-shaped first snap end 14 is provided at the bottom end of the first sliding portion 13. A first slide groove portion 15 is provided at one end of the first base 11 facing the first sliding portion 13.

[0035] 1 to 4, the second main body 2 has a second base 21, and a second assembly groove 22 is provided along the center of the second base 21 so as to penetrate therethrough. One end of the second base 21, centered on the second assembly groove 22, extends upward to form a second sliding portion 23. A second snap end 24 is further provided at the top end of the second sliding portion 23. A second slide groove portion 25 is provided at the other end of the second base 21 relative to the second sliding portion 23.

[0036] 1 to 4, the strong magnets 3 and 4 are fitted to the outer shapes of the first assembly groove 12 and the second assembly groove 22 and are assembled into the first assembly groove 12 and the second assembly groove 22, respectively.

[0037] 1 and 3, the first snap end 14 is connected to the second slide groove 25, the second snap end 24 is connected to the first slide groove 15, and the first body 1 and the second body 2 are pressed together, so that the first snap end 14 fits into the second slide groove 25 and the second snap end 24 fits into the first slide groove 15. The first sliding part 13 and the second sliding part 23 form sliding strokes with the same distance, and the strong magnets assembled inside the first assembly groove 12 and the second assembly groove 22 have the same magnetic poles, forming an accommodating space A.

[0038] 1 and 3, when no hexagonal wrench is inserted into the accommodation space A, the repulsion of the powerful magnets 3 and 4 causes the sliding stroke of the accommodation space A to be expanded to its maximum.

[0039] Referring to Figure 4, after the hexagonal wrench is inserted into the receiving space A, the powerful magnets 3 and 4 installed in the receiving space A attract the metal hexagonal wrench, shortening the sliding stroke to a minimum, and the first body 1 and the second body 2 tightly attract the hexagonal wrench.

[0040] Although a hexagonal wrench has been described as an example above, it can also be applied to hand tools such as screwdrivers. According to the present invention, the number of components is reduced and the volume is reduced, so that the accommodation space A can accommodate screwdrivers or wrenches with a diameter of 1.5 to 4 mm. These types of tools are mainly applicable to fixing fine electronic components.

[0041] See FIG. 3. Compared to the previous proposal by the applicant, the present invention allows for quick assembly. A first guide portion 151 is provided at the bottom end of the first slide groove portion 15. A first hook end 152 is provided at the other end of the first guide portion 151. A second guide portion 251 is provided at the top end of the second slide groove portion 25. A second hook end 252 is provided at the other end of the second guide portion 251. When these are assembled, the first snap end 14 and the second snap end 24 can slide along the second guide portion 251 and the first guide portion 151, between the second slide groove portion 25 and the first slide groove portion 15. The first hook end 152 connects with the second snap end 24, and the second hook end connects with the first snap end, preventing the first body from separating from the second body.

[0042] Compared to the previous proposal by the applicant of the present application, the ratio of the height of the first base 11 to the height of the first sliding part 13 is 1:1, and the ratio of the height of the second base 21 to the height of the second sliding part 23 is 1:1. This allows the first body 1 and the second body 2 to be evenly attached when adsorbing a screwdriver or wrench, preventing jumping during use.

[0043] Compared to the previous proposal by the applicant of the present application, the ratio of the height of the first base 11 to the height of the bottom wall 121 of the first assembly groove 12 is 1:0.2, and the ratio of the height of the second base 21 to the height of the bottom wall 221 of the second assembly groove 22 is 1:0.2, so that the powerful magnets 3, 4 can attract attractable metal from the outside of the first main body 1 or the second main body 2.

[0044] See Figures 1, 3, and 4. Two gradually expanding first chamfered portions 122 are formed in the center of the first assembly groove 12. Two gradually expanding second chamfered portions 222 are formed in the center of the second assembly groove 22. A hexagonal column-shaped storage space A is formed by the powerful magnets 3, 4, the first chamfered portions 122, and the second chamfered portions 222, and can attract a screwdriver or wrench, expanding the range of applicable fields.

[0045] (Second embodiment) Please refer to Figures 5 and 6. A quick magnetization or demagnetization device for a screwdriver or wrench according to a second embodiment of the present invention is derived from the device shown in Figures 1 to 4, and includes a first body 5, a second body 6, and two sets of powerful magnets 7 and 8.

[0046] 5 and 6, the first main body 5 has a first base 51, and a first assembly groove 52 is provided along the center of the first base 51 so as to penetrate therethrough. Both ends of the first base 51, centered around the first assembly groove 52, extend downward and are formed with a first sliding portion 53 and a second sliding portion 55 that are parallel to each other. A first snap end 54 and a second snap end 56, each having a barb shape, are provided at the bottom ends of the first sliding portion 53 and the second sliding portion 55, respectively.

[0047] 5 and 6, the second main body 6 has a second base 61, and a second assembly groove 62 is provided so as to penetrate along the center of the second base 61. A first slide groove portion 63 and a second slide groove portion 64 are provided so as to penetrate at both ends of the second base 61 centered around the second assembly groove 62.

[0048] 5 and 6, the strong magnets 7 and 8 are fitted to the outer shapes of the first assembly groove 52 and the second assembly groove 62 and are assembled into the first assembly groove 52 and the second assembly groove 62, respectively.

[0049] 5 and 6, the first snap end 54 is connected to the second slide groove 64, and the second snap end 56 is connected to the first slide groove 63. By pressing the first body 5 and the second body 6 together, the first snap end 54 is fitted into the second slide groove 64, and the second snap end 56 is fitted into the first slide groove 63. The first sliding part 53 and the second sliding part 55 form sliding strokes with the same distance, and the strong magnets 7 and 8 assembled inside the first assembly groove 63 and the second assembly groove 64 have the same magnetic poles, thereby forming an accommodating space B.

[0050] When in use, as in the first embodiment, the storage space B is expanded by the repulsion of the powerful magnets 7 and 8, or a screwdriver or wrench is inserted into the storage space B, shortening the sliding stroke, thereby tightly adsorbing the first body 5 and the second body 6 to the screwdriver or wrench.

[0051] Referring to FIG. 6 , a first guide portion 631 is provided at the top end of the first slide groove portion 63. A first hook end 632 is provided at the other end of the first guide portion 631. A second guide portion 641 is provided at the top end of the second slide groove portion 64. A second hook end 642 is provided at the other end of the second guide portion 641. When these are combined, the first snap end 54 and the second snap end 56 can slide along the second guide portion 641 and the first guide portion 631, between the second slide groove portion 64 and the first slide groove portion 63. The first hook end 632 connects with the second snap end 56, and the second hook end 642 connects with the first snap end 54, preventing the first main body 7 from separating from the second main body 8. [Explanation of symbols]

[0052] 1. First Body 2 Second Body 3,4 Strong magnets 5. First Body 6 Second Body 7,8 Strong magnets 11 First Pedestal 12 First assembly groove 13 First sliding part 14 First Snap End 15 First slide groove portion 21 Second Pedestal 22 Second assembly groove 23 Second sliding part 24 Second Snap End 25 Second slide groove 51 First Pedestal 52 First assembly groove 53 First sliding part 54 First Snap End 55 Second sliding part 56 Second Snap End 61 Second Pedestal 62 Second assembly groove 63 First slide groove portion 64 Second slide groove 121 Bottom wall 122 First chamfer 151 First guide part 152 First Hook End 221 Bottom Wall 222 Second chamfer 251 Second guide section 252 Second Hook End 631 First guide part 632 First Hook End 641 Second guide part 642 Second Hook End A. Containment space B. Containment space

Claims

1. a first body, a second body, and two sets of strong magnets; the first body has a first base, a first assembly groove is provided along the center of the first base so as to penetrate therethrough, one end of the first base centered on the first assembly groove extends downward to form a first sliding portion, a first snap end having a barb shape is provided at a bottom end of the first sliding portion, and a first slide groove portion is provided at one end of the first base facing the first sliding portion, the second body has a second base, a second assembly groove is provided along the center of the second base so as to penetrate therethrough, one end of the second base centered on the second assembly groove extends upward to form a second sliding portion, a second snap end is provided at a top end of the second sliding portion, and a second slide groove portion is provided at the other end of the second base relative to the second sliding portion, the strong magnet is fitted to the contours of the first assembly groove and the second assembly groove and is assembled into the first assembly groove and the second assembly groove, respectively; the first snap end is connected to the second slide groove portion, the second snap end is connected to the first slide groove portion, and by simultaneously pressing the first body and the second body, the first snap end is fitted into the second slide groove portion, the second snap end is fitted into the first slide groove portion, the first sliding part and the second sliding part form sliding strokes having the same distance, and the strong magnets assembled in the first assembly groove and the second assembly groove have the same magnetic poles to form an accommodating space, When a screwdriver or wrench is not inserted into the storage space, the storage space is subjected to the magnetic force of the two powerful magnets, which repel each other, thereby expanding the sliding stroke to the maximum. A quick magnetizing or demagnetizing device for a screwdriver or wrench, characterized in that after a screwdriver or wrench is inserted into the storage space, the two powerful magnets installed in the storage space attract the screwdriver or wrench, thereby minimizing the sliding stroke and tightly attracting the first body and the second body to the screwdriver or wrench.

2. 2. The quick magnetizing or demagnetizing device for a screwdriver or wrench according to claim 1, wherein the first slide groove portion of the first body is replaced with the second sliding portion, so that the first body has an outer shape of a U-shape, and the second sliding portion of the second body is replaced with the first slide groove portion, so that the second body has an outer shape of a straight line.

3. 2. The quick magnetizing or demagnetizing device for a screwdriver or wrench according to claim 1, wherein a first guide portion is provided at a bottom end of the first slide groove portion, a first hook end is provided at the other end of the first guide portion, a second guide portion is provided at an upper end of the second slide groove portion, and a second hook end is provided at the other end of the second guide portion, so that when combined, the first snap end and the second snap end can slide between the second slide groove portion and the first slide groove portion along the second guide portion and the first guide portion, and the first hook end is connected to the second snap end and the second hook end is connected to the first snap end, thereby preventing the first body from being separated from the second body.

4. 2. The quick magnetizing or demagnetizing device for a screwdriver or wrench according to claim 1, wherein a height ratio of the first base to the first sliding part is 1:1, and a height ratio of the second base to the second sliding part is 1:

1.

5. 2. The quick magnetizing / demagnetizing device for a screwdriver or wrench according to claim 1, wherein a ratio of a height of the first base to a height of a bottom wall of the first assembly groove is 1:0.2, and a ratio of a height of the second base to a height of a bottom wall of the second assembly groove is 1:0.

2.

6. 2. The quick magnetizing or demagnetizing device for a screwdriver or wrench according to claim 1, wherein two first chamfered portions that gradually widen are formed in the center of the first assembly groove, and two second chamfered portions that gradually widen are formed in the center of the second assembly groove, and an accommodating space formed by the strong magnet, the first chamfered portions, and the second chamfered portions is a hexagonal prism-shaped space.

7. 2. The quick magnetizing or demagnetizing device for a screwdriver or wrench according to claim 1, wherein the accommodation space is for attracting a screwdriver or wrench having a diameter of 1.5 to 4 mm.

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