TWM513093U - Screwdriver with magnetic sleeve - Google Patents

Description

Magnetic screwdriver

This creation is to drive the driven parts such as screws or bolts for the screwdriver. By the magnetic sleeve assembled on the screwdriver, the dual function of the quick coupling and the clamping and positioning of the driven member can be achieved.

In order to automatically adsorb the driven components, such as screws, bolts, etc., it is known to combine a magnetic kit at the proximal end of the screwdriver, such as the patent number: I254660 anti-loose screwdriver head-mounted magnetic sleeve, The magnetic sleeve is a hollow sleeve, and the sleeve hole can be sleeved on the existing screwdriver head rod, and an auxiliary suction force is provided by the magnetic member provided at one end thereof, thereby increasing the close fit between the screwdriver head rod and the screw. The utility model is characterized in that: the sleeve hole of the magnetic sleeve and the driver head rod are correspondingly provided with a card edge portion and a card slot portion, wherein the sleeve groove portion is configured to allow the card edge portion to be displaced by a predetermined distance therein. The magnetic sleeve can be slid for a predetermined distance and can be limited to the slipper on the screwdriver head; further, the magnetic sleeve is made of a tough material so that the rim portion of the sleeve can be forced to pass over the screwdriver. At the head end, when the edge of the card reaches the card slot of the screwdriver head, the original inner diameter can be retracted to achieve the engagement state.

And the patent number: I302865, a slip-type magnetic sleeve combination positioning structure of the screwdriver, the sliding magnetic sleeve comprises: a cylindrical body, the set of holes can be sleeved on the outer periphery of the predetermined screwdriver head to be slidable a state in which the head end of the cylindrical body is provided with a magnetic body assembly portion, and the sleeve of the cylindrical body a set of space is formed in the hole, the set space has a card retaining edge; and a magnetic body is combined and positioned in the magnetic body assembly portion of the cylindrical body, the magnetic body has a perforation and can be sleeved on the predetermined a peripheral portion of the driver's head; and a blocking member disposed in the assembly space formed in the sleeve hole of the tubular body, the blocking member including at least a convex portion and an elastically tightenable portion, wherein the convex portion The flange can abut against the card retaining edge of the assembled space of the tubular body; further, the screwdriver head is provided with a tapered ring concave edge near the active end thereof, and the tapered ring concave edge is adjacent to the working end The end is a tapered groove portion that is engageable by the elastically compressible portion of the blocking member.

However, the above-mentioned magnetic ferrule member is usually embedded between the driver shaft and the driving portion to provide positioning or release of the lance by the sliding action; and a positioning spring is used, and when the screwdriver is to be combined, After inserting the collar into the end of the screwdriver head, the loose collar covers the end of the screwdriver head by the elastic restoring force of the spring, and uses the steel ball to fall into the annular groove below the end to achieve positioning. And the effect of quickly combining the screwdriver head. When the screwdriver head is disassembled, the push ring is moved to disengage the steel ball from the ring groove, and the restriction on the screwdriver head can be released and easily removed or replaced.

The magnetic screwdriver set mechanism of the above-mentioned conventional screwdriver has no problem in use, and can meet the simple adsorption requirement of the general user. However, considering that the product is to be competitive in price in the market, it is necessary to continuously research and develop the existing product. The components are more simplified, especially for the magnetic kit mechanism, since only the driver is combined with the driven member and the positioning function, and the I254660 magnetic member is too large, and the driver shaft must have a long card slot, which will affect the driver shaft. The shaft body causes the strength of the shaft to weaken, while the I302865 has the same long slot edge as the I254660 screwdriver shaft. Both of the above-mentioned two parts are provided with card retaining edges, and the kit can be provided for longitudinal sliding on the screwdriver rod without leaving the screwdriver shaft. The I254660 card retaining edge is integrally formed by the sleeve body, and the inner diameter of the retaining flange is smaller than the inner diameter. The maximum outer diameter of the driver shaft and the driving part, so the assembly must be pressed and hardened into the driver shaft by a strong pressing tool, and the structure of the I302865 card retaining edge improves the disadvantage of the I254660 card retaining edge. The inner diameter of the card flange of I302865 is the same as the maximum outer diameter of the driver shaft and the driving portion. The spring component is used to support the sleeve to be positioned on the shaft of the driver without disengagement. However, in order to make the magnetic sleeve on the driver shaft It can be axially slid, and the driver rod has a long card slot. The I254660 long card slot is a vertical surface and the I302865 is a tapered ring groove. The long card slot of this shape will affect the strength of the screwdriver.

Moreover, the M252506 is a screwdriver-improved structure, comprising: a handle, a sub-handle and a joint head, the handle main system is a handle portion for convenient gripping, and the front end is embedded with a protruding section of a small section, and the plug is inserted. A hexagonal insertion hole is arranged in the front end of the column, and a positioning bead is embedded in the side. The starter handle is hexagonal, and the two ends can be set to use ends of different shapes, and the two ends of the use end are opposite to each other. A positioning groove is arranged, wherein the driver handle is inserted into the insertion hole of the handle by one of the non-use ends, so that the positioning bead is fixed to the positioning groove of the end of the handle, and the coupling head is provided with a perforation at the center of the coupling head. The outer ring of the rear section is provided with a elastic piece, and a positioning bead which is clamped by the elastic piece is protruded into the perforation, and a suction iron is embedded in the front end of the joint head, and the center of the suction iron is also formed into a penetrating joint along the shape of the perforation. The perforating sleeve is sleeved on the front end of the screwdriver handle, and when inserted, the positioning bead can be clamped to the positioning groove of the screwdriver handle, and when the head is inserted into the front end of the screwdriver handle and the positioning groove is used to fix the bead, the Extend the end of the driver handle A short paragraph.

The M252506 has improved the long slot defects of the I254660 and I302865. The M252506 has improved the long card slot into a short curved card slot. The kit (bonding head) mainly uses the positioning beads to make the bonding head. The card slot (positioning groove) of the fastening handle is covered by the elastic piece of the outer ring of the rear part of the coupling head, and the positioning bead is not detached. However, in order to fix the positioning bead, the outer diameter of the bonding head is covered with the elastic piece. However, in this way, in the meager tool products, it will lead to some increase in cost and assembly steps.

The main purpose of this creation is the same as the M252506, which is to provide a magnetic sleeve. However, this creation changes the M252506 positioning bead to an elastic buckle to enhance the effect of reducing the manufacturing cost by quickly assembling the magnetic sleeve to the screwdriver.

The utility model relates to a magnetic sleeve driver, comprising: a whole body, having a socket rod and a driving portion, the socket rod extending to form the driving portion, wherein a ring groove is arranged between the driving portion and the socket rod; The sleeve includes: a sleeve having a channel tube having a first end and a second end, the first end extending to form the second end, the first end and the second end having the same diameter The inner end of the first end is provided with a ring groove near the inner diameter of the nozzle, and the second end is provided with a joint portion; an elastic ring is sleeved on the annular groove of the sleeve; a magnetic element is tightly coupled to the sleeve a sleeve portion of the tube; wherein the sleeve is inserted into the driving portion of the screwdriver, and the elastic ring itself has a telescopic elastic force, and after the elastic ring is first opened, the sleeve is sleeved to the ring groove of the screwdriver The elastic ring is slidably snapped into the ring groove, thereby providing the sleeve to be positionable to the driver of the driver and allowing the sleeve to be radially rotated on the driver.

1‧‧‧ screwdriver

11‧‧‧ Sockets

12‧‧‧ Drive Department

13‧‧‧Driver

14‧‧‧ ring groove

2‧‧‧magnetic sleeve

21‧‧‧ casing

21a‧‧‧ first end

21b‧‧‧second end

22‧‧‧ Ring groove

22’‧‧‧Width

23‧‧‧Team

3‧‧‧Flexible ring

31‧‧‧ gap

4‧‧‧Magnetic components

5‧‧‧Driven parts

51‧‧‧ head

51a‧‧‧Slots

The first picture is an exploded view of the magnetic sleeve of the present creation.

The second picture is an exploded view of the creation of the screwdriver and the magnetic sleeve.

The third picture is a combination of the creations.

The fourth picture is the implementation state diagram of this creation.

The fifth figure is another implementation state diagram of the present creation.

For the sake of further understanding of the purpose, features and effects of this creation, we will further clarify the drawings in accordance with the preferred embodiment of the present creation, so as to enable those who are familiar with the relevant technology of this creation to rely on this The statement of the specification is implemented according to the following: First, please refer to the first, second and third figures. The present invention has a magnetic sleeve driver, comprising: a child 1, having a socket rod 11, and the sleeve rod 11 is extended. a driving portion 12, the driving portion 12 is extended at one end to form a driving end 13, wherein the driving portion 12 and the socket rod 11 are provided with a ring groove 14; a magnetic sleeve 2 comprises: a sleeve 21 having a first The end 21a and the second end 21b are provided with a ring groove 22 at the inner end of the first end 21a, and a joint portion 23 is disposed at the second end 21b; an elastic ring 3 has a notch 31 and has Retractable elastic force, the diameter of the opening state is exactly the diameter of the annular groove 22, and the diameter of the condensation state is slightly smaller than or equal to the inner diameter of the tube of the sleeve 21, whereby the elastic ring 3 after the condensation can be placed into the pipe diameter by the nozzle end of the first end 21a of the sleeve 21, to enter the ring groove 22 At the same time, the elastic ring 3 is sleeved on the annular groove 22 for positioning; a magnetic element 4 is tightly coupled to the assembly portion 23 of the magnetic sleeve 2, and the second end 21b is The end surface is flush or slightly protrudes from the end surface of the second end 21b; wherein the sleeve 21 is inserted into the driving portion 12 of the driver 1, and the magnetic sleeve is provided by the elastic elastic force of the elastic sleeve 22. 2 can be positioned on the ring groove 14 of the driver 1, and the ring The longitudinal width 22' of the groove 22 is slightly larger than the thickness of the elastic ring 3. The magnetic element 4 may be an annular piece or a block, or a plurality of blocks may be disposed in the annular array in the assembly portion 23 and tightly coupled. After the magnetic sleeve 2 is assembled to the driver 1, the driving end 13 of the driver 1 exposes the sleeve 21, as shown in the third figure. Continuing, the prototype of the present invention includes a second figure or a third figure. The driving end 13 of the present invention also includes a driver of the shape of the combination of the socket rod 11 and the driving portion 12 as shown in FIG. 5, and the feature is not limited to the driving end 13 of the shape of the shape or The socket rod 11 and the driving portion 12 include a plurality of types of screwdrivers, for example, the driver driving end 13 is in a shape of a letter, a quincunx shape, a hexapod shape, or the like.

In addition, as shown in the fourth and fifth figures, in the implementation state of the suction driven member 5, the magnetic element 4 provided by the front end assembly portion 23 of the magnetic sleeve 2 is close to the magnetic member 4 When the head 51 of the driver 5 is driven, the driving end 13 of the driver 1 is inserted into the groove portion 51a of the head portion 51, and the driver 1 automatically absorbs the driven portion due to the magnetic attraction force of the magnetic member 4. The head 51 of the piece 5, the second end 21b of the magnetic sleeve 2 abuts against the driven member 5 and is magnetically positioned, so that the driven member 5 does not temporarily disengage from the driver 1, thereby making the driver 1 The driven member 5 is driven in a steady state.

The advantages of this creation are:

1. The longitudinal width 22' of the annular groove 22 of the sleeve 21 is slightly larger than the thickness of the elastic ring 3, so that the elastic ring 3 has a space for axially slight displacement in the annular groove 22, and the magnetic sleeve 2 is opposite. The driver 1 of the driver 1 has a slight buffer displacement function.

2. The magnetic sleeve 2 is characterized by the elastic expansion of the elastic ring 3, whereby the elastic ring 3 is condensed, and the first end 21a of the sleeve 21 can be inserted into the pipe diameter. When entering the ring groove 22, it is opened up, whereby the elastic ring 3 is sleeved in the ring groove 22 After the positioning of the magnetic sleeve 2 is inserted into the driving portion 12 of the driver 1, the same elastic ring 3 is slightly expanded by the shaft of the driving portion 12 until the elastic ring 3 reaches the driver 1. When the ring groove 14 is closed, the elastic ring 3 returns to the condensed state and is engaged with the ring groove 14, whereby the magnetic sleeve 2 is positioned on the driving portion 12 of the driver 1, and the components thereof can be simply and quickly Assembly is performed and the cost of manufacturing and assembly can be saved.

The creation of "magnetic sleeve screwdriver" can be assembled with simple structure and simple assembly steps. It has a significant improvement in the combination of rapid combination and magnetic attraction. It has great industrial value and is fully in line with the new patent application. , 爰 file an application in accordance with the law.

In summary, it is only a preferred embodiment of the present invention and is not intended to limit the scope of the present invention. That is, the equal changes and modifications made by the patent application scope of this creation are covered by the scope of the creation patent.

2‧‧‧magnetic sleeve

21‧‧‧ casing

21a‧‧‧ first end

22‧‧‧ Ring groove

3‧‧‧Flexible ring

31‧‧‧ gap

Claims (4)

A magnetic sleeve driver includes: a sleeve having a socket, the sleeve extending to form a driving portion, and one end of the driving portion extending to form a driving end, wherein the driving portion and the sleeve are provided with a ring recess a magnetic sleeve, comprising: a sleeve having a channel tube having a first end and a second end, the first end extending to form the second end, adjacent to the first end nozzle The ring is provided with a ring groove, and the second end is provided with a joint portion; an elastic ring has a notch and has a stretchable elastic force, and the diameter of the open state is exactly the diameter of the ring groove. Width, the diameter of the condensation state is slightly smaller than or equal to the inner diameter of the tube of the sleeve, whereby the elastic ring can be condensed and placed into the diameter of the tube by the first end of the sleeve, to enter the ring When the groove is at the same time, the elastic ring is sleeved in the ring groove for positioning; a magnetic element is tightly coupled to the assembly portion; wherein the sleeve is inserted into the driving portion of the screwdriver, The telescopic elastic force of the elastic ring sleeve is provided to the ring sleeve of the magnetic sleeve. The magnetic sleeve driver according to claim 1, wherein the longitudinal width of the ring groove is slightly larger than the thickness of the elastic ring, and the magnetic element may be an annular piece or a block, or may be a plurality of blocks in a ring shape. The array is disposed at the set of joints and is tightly coupled. The magnetic sleeve driver according to claim 1, wherein the magnetic sleeve is assembled to the driver, and the driving end of the driver is exposed to the sleeve. The magnetic sleeve driver according to claim 1, wherein the first end and the second end of the sleeve have the same diameter.