CN208045210U - A kind of set rod-type screwdriver adds magnetic degaussing gear - Google Patents

Abstract

The utility model discloses a kind of set rod-type screwdrivers to add magnetic degaussing gear, including demagnetizer and tube body, tube body left end is fixedly connected with demagnetizer, the slideway that setting moves back and forth for screwdriver rod in tube body, it is hollow in demagnetizer, its middle part gap moves back and forth for screwdriver rod, screw rod of the right section of setting of tube body perpendicular to tube body, outside tube body, magnet is fixedly installed in screw tip, mandril of the setting perpendicular to tube body on tube body wall on the left of screw rod, spring and jacking block are set in tube body, jacking block is fixed at mandril inner end, spring pocket is on mandril, both ends of the spring respectively with inboard wall of tube body, jacking block is fixedly connected, slideway side is provided with the hole that jacking block can be allowed to walk.The utility model can rely on one-handed performance；Cross magnet can be rotated with screw rod, according to add the difference of magnetic, demagnetization need to realize magnet and mandril from, close；Magnetic demagnetization can be added for the screwdriver of different size, it is not necessary to be designed to add magnetic demagnetization structure by the screwdriver of different size, save production cost.

Description

Sleeve rod type screwdriver magnetizing and demagnetizing device

Technical Field

The utility model belongs to the repair tools field, concretely relates to loop bar type screwdriver adds magnetism demagnetizing device.

Background

The general screwdriver is not provided with magnetism, or the original magnetic screwdriver is gradually weakened after being used for a long time, and sometimes needs to be magnetized to adsorb small screws; and some screw drivers are demagnetized according to operation requirements.

At present, the shape of an existing screwdriver magnetizing demagnetizer is close to a square small block, two small holes for demagnetization and magnetization are formed in the existing screwdriver magnetizing demagnetizer, the screwdriver needs to penetrate through a demagnetization hole and a magnetization hole respectively during demagnetization and magnetization, double-hand operation is needed, an operator can often hold an operating object with one hand, and the double-hand operation is more complicated for a busy operator. There is a need for a screwdriver magnetizing and demagnetizing device that can be operated with one hand.

Patent publication No. CN206588874U discloses a demagnetizable screwdriver, which can realize the conversion between magnetic and non-magnetic on one screwdriver, but has the following defects: the device is a screwdriver, namely, if screwdrivers with different specifications need to be demagnetized conveniently, the screwdrivers need to be designed into the structure, and the production cost is higher.

Disclosure of Invention

Not enough to prior art exists, the utility model aims at providing a can singlehanded operation's loop bar screwdriver adds magnetism demagnetization device, this loop bar screwdriver adds magnetism demagnetization device easy operation, can add magnetism demagnetization for the screwdriver of different specifications, practiced thrift manufacturing cost.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the utility model provides a loop bar screwdriver adds magnetism demagnetizer, includes demagnetizer and body, its characterized in that: the left end of the tube body is fixedly connected with the demagnetizer, a slide way which can supply the reciprocating motion of the screwdriver rod is fixedly arranged in the tube body, the demagnetizer is internally hollow, the middle gap of the demagnetizer can supply the reciprocating motion of the screwdriver rod, the right section of the tube body is provided with a screw rod perpendicular to the tube body, a magnet is fixedly arranged outside the tube body and at the top of the screw rod, an ejector rod perpendicular to the tube body is arranged on the tube body wall on the left side of the screw rod, a spring and an ejector block are arranged in the tube body, the ejector block is fixedly arranged at the inner end of the ejector rod, the spring is sleeved on the ejector rod, two ends of the spring are respectively connected with the inner.

Further, magnet is the cross, and the equal threaded connection in screw rod and body, magnet middle part, the interval of ejector pin and screw rod is less than the radius of rotation of cross magnet, and the ejector pin passes the tube body wall and can make a round trip to slide on the tube body wall.

Furthermore, the whole body of the pipe body is funnel-shaped, the size of the right end opening of the pipe body is larger than that of the left end opening of the pipe body, the right end of the pipe body is further provided with a connecting rod, the right end of the connecting rod is provided with a push-pull sheet, and two ends of the connecting rod are fixedly connected with the pipe body and the push-pull sheet respectively.

Further, the shape of the slide way is a circular tube.

Furthermore, the right end face of the top block is an arc face.

Furthermore, the push-pull sheet is in a semicircular arch sheet shape, and anti-skid grains are arranged on the outer side surface of the push-pull sheet.

The utility model discloses the beneficial effect who has does:

compared with the prior art, the cross-shaped magnet of the utility model is fixed on the screw rod and can rotate along with the screw rod, and the magnet and the ejector rod can be separated and combined according to different requirements of magnetization and demagnetization; the screwdriver rod is pushed into the slide way, the top block is tightly pressed on the screwdriver rod under the action of the elastic force of the spring, the screwdriver rods are different in thickness and different in jacking degree, the screwdriver rods with different specifications can be magnetized and demagnetized, all the screwdrivers with different specifications are not required to be designed into magnetized and demagnetized structures, and the production cost is saved; in addition, the screwdriver handle can be held by a single hand, and the magnetic and demagnetization actions of the screwdriver can be finished by pushing and pulling the push-pull piece with fingers, so that the operation is simple.

Drawings

The drawings are only for purposes of illustrating and explaining the present invention and are not to be construed as limiting the scope of the present invention. Wherein,

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the screwdriver handle with the end exposed from the demagnetizer during use.

Reference numerals:

1. the magnetic eraser comprises a tube body 2, a spring 3, a mandril 4, a mandril 5, a screw rod 6, a magnet 7, a connecting rod 8, a push-pull sheet 9, a screwdriver rod 10, a screwdriver handle 11 and a slideway 12.

Detailed Description

The related art not described below can be used or used as a reference for the prior art.

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

As shown in figure 1, the sleeve rod type screwdriver magnetizing and demagnetizing device comprises a demagnetizer 1 and a pipe body 2, wherein the left end of the pipe body 2 is fixedly connected with the demagnetizer 1, a circular tubular slideway 12 for the screw driver rod 10 to reciprocate is fixedly arranged in the pipe body 2, the demagnetizer 1 is hollow, the middle gap of the demagnetizer 1 can be used for the screw driver rod 10 to reciprocate, a screw 6 vertical to the pipe body 2 is arranged at the right section of the pipe body 2, a cross magnet 7 is fixedly arranged outside the pipe body 2 and at the top of the screw 6, the screw 6 is in threaded connection with the pipe body 2 and the middle of the magnet 7, the rotation direction of the screw 6 fastened on the screw 6 from the pipe body 2 is the same as that of the magnet 7 when the screw 6 is loosened from the pipe body 2, an ejector rod 5 vertical to the pipe body 2 is arranged on the wall of the pipe body 2 at the left side of the screw 6, the distance between the ejector rod 5, set up spring 3 and kicking block 4 in body 2, kicking block 4 is fixed to be set up in 5 inner of ejector pin, and spring 3 overlaps on ejector pin 5, 3 both ends of spring respectively with 2 inner walls of body, 4 fixed connection of kicking block, slide 12 one side is provided with the hole that can let kicking block 4 walk, body 2 wholly is hourglass hopper-shaped, and 2 right-hand member mouths of body size is greater than its left end mouths size, and 2 right-hand members of body still set up connecting rod 8, and 8 right-hand members of connecting rod set up push-and-pull piece 9, the both ends of connecting rod 8 respectively with body 2, push-and-pull piece.

The right end face of the top block 4 is a cambered surface.

The push-pull sheet 9 is in a semicircular arch sheet shape, and anti-skid grains are arranged on the outer side surface of the push-pull sheet.

The ejector rod 5 and the ejector block 4 are made of iron.

The following explains the operation method of the present invention:

when the screwdriver is not inserted into the device, the top block 4 is pressed against the slideway 12 by the elastic force of the spring 3, the part of the screw rod 6 screwed into the pipe body 2 is less, the state is as shown in figure 1, when the screwdriver needs to be magnetized, the screwdriver handle 11 is held by a single hand, the thumb presses the anti-skid lines of the push-pull sheet 9 to pull the push-pull sheet 9, the semi-circular arch sheet-shaped push-pull sheet 9 is convenient to be attached to the screwdriver handle 11, the centre of the palm is pressed against the head of the screwdriver handle 11 to push the screwdriver rod 10 into the slideway 12, the end of the screwdriver rod 10 is pressed against the right end surface of the top block 4, the right end surface of the top block 4 is an arc surface, the screwdriver rod 10 is convenient to be inserted between the top block 4 and the slideway 12 along the situation, the top block 4 is pushed up, the pushing degree of the top block 4 is determined by the thickness degree of the screwdriver rod 10, the pushing force required by the end of the screwdriver rod 10 passing through the arc surface of the top block, the magnet 7 is dialed by fingers to rotate, the screw rod 6 is further screwed into the pipe body 2 until one of the cross-shaped magnets 7 presses the top of the ejector rod 5, the magnet 7 magnetizes the screwdriver rod 10 through the ejector rod 5 and the ejector block 4, after the magnetization is finished, the screwdriver handle 11 is held, the thumb presses the anti-skid threads of the push-pull piece 9 to push the push-pull piece 9, the screwdriver rod 10 is pulled out of the slideway 12, the magnet 7 is dialed by fingers in a reverse direction to rotate, and the magnet 7 is separated from the top of the ejector rod 5; when the screwdriver needs to be demagnetized, the screwdriver rod 10 is pushed into the slideway 12 according to the method until the end of the screwdriver rod 10 passes through the demagnetizer 1 to be exposed, the state is shown in fig. 2, the thumb presses the push-pull sheet 9 to push and pull repeatedly for several times, so that the end of the screwdriver rod 10 slides repeatedly in the demagnetizer 1, the demagnetizer 1 eliminates the magnetism of the screwdriver rod 10, and then the screwdriver rod 10 is pulled out of the slideway 12 to complete demagnetization.

Thus, the utility model can complete the magnetizing and demagnetizing actions of the screwdriver by holding the screwdriver handle 11 with a single hand and pushing and pulling the push-pull plate 9 with fingers, and the operation is simple; the cross magnet 7 is fixed on the screw rod 6 and can rotate along with the screw rod 6, according to the different needs of magnetization and demagnetization, the separation and the combination of the magnet 7 and the ejector rod 5 are realized, the screwdriver rod 10 is pushed into the slide 12, the ejector block 4 is tightly supported on the screwdriver rod 10 under the elastic action of the spring 3, the thicknesses of the screwdriver rod 10 are different, the jacking degree of the ejector block 4 is also different, the mode of the device sleeved on the screwdriver rod is adopted, the magnetization and demagnetization can be realized for the screwdrivers of different specifications, the magnetization and demagnetization structure is not required to be designed for all screwdrivers of different specifications, and the production cost is saved.

Claims (6)

1. The utility model provides a loop bar screwdriver adds magnetism demagnetizer, includes demagnetizer (1) and body (2), its characterized in that: the left end of the tube body (2) is fixedly connected with the demagnetizer (1), a slideway (12) for the screw driver rod (10) to reciprocate is fixedly arranged in the tube body (2), the demagnetizer (1) is hollow, the middle gap of the demagnetizer is used for the screw driver rod (10) to reciprocate, the right section of the tube body (2) is provided with a screw rod (6) vertical to the tube body (2), a magnet (7) is fixedly arranged outside the pipe body (2) and at the top of the screw rod (6), an ejector rod (5) vertical to the pipe body (2) is arranged on the wall of the pipe body (2) at the left side of the screw rod (6), set up spring (3) and kicking block (4) in body (2), kicking block (4) are fixed to be set up in ejector pin (5) inner, and spring (3) cover is on ejector pin (5), spring (3) both ends respectively with body (2) inner wall, kicking block (4) fixed connection, slide (12) one side is provided with the hole that can let kicking block (4) walk.

2. The sleeve rod type screwdriver magnetizing and demagnetizing device according to claim 1, wherein: magnet (7) are the cross, and equal threaded connection in screw rod (6) and body (2), magnet (7) middle part, the interval of ejector pin (5) and screw rod (6) is less than the radius of rotation of cross magnet (7), and ejector pin (5) pass body (2) wall and can make a round trip to slide on body (2) wall.

3. The sleeve rod type screwdriver magnetizing and demagnetizing device according to claim 1, wherein: the integral funnel-shaped pipe body (2) is larger than the left end opening of the pipe body (2), the right end of the pipe body (2) is further provided with a connecting rod (8), the right end of the connecting rod (8) is provided with a push-pull sheet (9), and two ends of the connecting rod (8) are fixedly connected with the pipe body (2) and the push-pull sheet (9) respectively.

4. The sleeve rod type screwdriver magnetizing and demagnetizing device according to claim 1, wherein: the slideway (12) is in a shape of a circular tube.

5. The sleeve rod type screwdriver magnetizing and demagnetizing device according to claim 1, wherein: the right end face of the top block (4) is a cambered surface.

6. The sleeve rod type screwdriver magnetizing and demagnetizing device according to claim 3, wherein: the push-pull sheet (9) is in a semicircular arch sheet shape, and anti-skid grains are arranged on the outer side surface of the push-pull sheet.