CN219666445U - Anti-loosening device for electric screwdriver head - Google Patents

Abstract

The utility model discloses a linear electric screwdriver head anti-loosening device which comprises a constraint piece, a main body and a sleeve, wherein a plurality of clamping jaws are arranged at one end of the main body at intervals, the constraint piece wraps the clamping jaws and then is fixed at one end of the main body, one end of the sleeve is fixed at the other end of the main body, an anti-slip ring is arranged at the other end of the sleeve, and channels penetrating along the axis of the main body are formed in the constraint piece, the main body and the sleeve. According to the anti-loosening device, the problem that when the straight-line electric screwdriver is used for installing or detaching the straight-line slot screw, the straight-line electric screwdriver head is loosened from the screw frequently is solved, the working efficiency of an operator is improved, the risk that the surface of a part is scratched by the electric screwdriver head is avoided, and meanwhile the body safety of the operator is protected.

Description

Anti-loosening device for electric screwdriver head

Technical Field

The utility model relates to the field of general tools, in particular to a linear electric screwdriver head anti-loosening device.

Background

The screw is installed or dismantled to the electricity that utilizes the electricity to criticize is the operation frequently when mechanical assembly, to a word groove screw, adopts a word electricity to criticize generally and installs or dismantle, but because there is not spacing along the direction in a word groove, in installation or dismantlement process, a word electricity is criticized the head and is often loosened from the screw, leads to operation workman work efficiency to reduce, fish tail part surface even, leads to the outward appearance damaged, and more serious probably has the risk that leads to personnel injury.

Disclosure of Invention

In order to solve the problems, the utility model provides the anti-loosening device for the electric screwdriver head, which can effectively prevent the electric screwdriver head from loosening when the slotted screw is installed or detached, improve the working efficiency of operators, avoid the risk that the surface of a part is scratched by the electric screwdriver head, and protect the body safety of the operators.

The technical scheme adopted by the utility model is as follows: the utility model provides a first locking device that takes off is criticized to line electricity, includes tie-down 1, main part 2 and sleeve 3, the one end interval of main part 2 sets up a plurality of jack catch 21, tie-down 1 parcel jack catch 21 back is fixed the one end of main part 2, the one end of sleeve 3 is fixed the other end of main part 2, the other end of sleeve 3 is equipped with anti-slip ring 31, tie-down 1, main part 2 and sleeve 3 all are equipped with the passageway that link up along its body axis.

Preferably, the claws 21 are distributed at the edge of one end of the main body 2, and a single claw 21 extends outwards in a strip shape.

Preferably, a tightening part 12 is provided at one end inside the binding member 1, and the inner diameter of the tightening part 12 gradually decreases from one end where the binding member 1 is fixed to the main body 2 to the other end of the binding member 1, and is in an inverted horn shape.

Preferably, the inner diameter of the anti-slip ring 31 is adapted to the diameter of the screw head.

Preferably, the first rotating portion 13, the second rotating portion 24, and the third rotating portion 33 are respectively provided outside the tie 1, the main body 2, and the sleeve 3.

Preferably, the outer side surfaces of the first rotating portion 13, the second rotating portion 24 and the third rotating portion 33 have at least a pair of planes parallel to each other.

Preferably, the main body 2 and the restraint 1 are fixed by a threaded connection mode.

Preferably, the main body 2 and the sleeve 3 are fixed by means of threaded connection.

Preferably, the jaws 21 are of an elastic material.

Compared with the prior art, the anti-loosening device for the linear electric screwdriver head provided by the utility model has the advantages that the anti-loosening ring 31 is arranged on the sleeve 3, so that the phenomenon of loosening can be avoided when the linear electric screwdriver head 4 is screwed with the linear groove screw 5 in the anti-loosening ring 31; in order to adapt to screws with screw heads with different diameters in the market, the diameter of an anti-slip ring 31 on a sleeve 3 is determined according to the diameter of the head of a slotted screw 5, the sleeve 3 and a main body 2 are detachably connected, and the sleeve 3 is made into a series, so that the applicability of the linear electric screwdriver head anti-loosening device is wider; the clamping jaw 21 is arranged on the main body 2 and matched with the tightening part 12 on the constraint piece 1, so that the linear electric screwdriver bit 4 is fixed more firmly relative to the main body 2 and the sleeve 3; according to the utility model, by adding the anti-loosening device, the problem that the straight electric screwdriver head 4 is frequently loosened from the screw when the straight slotted screw 5 is installed or detached by adopting the straight electric screwdriver is solved, the working efficiency of an operator is improved, the risk that the surface of a part is scratched by the electric screwdriver head is avoided, and meanwhile, the body safety of the operator is protected.

Drawings

Fig. 1 is an exploded view of an anti-loosening device for a linear electric screwdriver bit according to an embodiment of the present utility model.

Fig. 2 is a schematic cross-sectional view of a main body according to an embodiment of the present utility model.

Fig. 3 is a schematic cross-sectional view of a sleeve according to an embodiment of the utility model.

FIG. 4 is a schematic cross-sectional view of a tie down according to an embodiment of the utility model.

Fig. 5 is a schematic cross-sectional view of an embodiment of an anti-loosening device for an electric screwdriver bit.

Reference numerals:

1-a binding piece, 11-a first internal thread, 12-a tightening part and 13-a first rotating part;

2-main body, 21-claw, 22-first external screw thread, 23-second external screw thread, 24-second rotating part;

3-sleeve, 31-anti-slip ring, 32-second internal thread, 33-third rotating part;

4-line electric screwdriver head and 5-line slot screw.

Description of the embodiments

The utility model is further illustrated in the following drawings and examples, which are given by way of illustration only and do not limit the scope of the utility model.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms "top", "bottom", "one side", "the other side", "inner", "outer", "upper", "middle", "lower", "middle", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-4, the utility model provides a linear electric screwdriver head anti-loosening device, which comprises a constraint piece 1, a main body 2 and a sleeve 3, wherein the constraint piece 1, the main body 2 and the sleeve 3 are respectively provided with a channel which is vertically penetrated along the axis of the main body.

One end of the inner wall of the constraint member 1 is provided with a first internal thread 11, the other end of the inner wall of the constraint member is provided with a tightening part 12 connected with the edge of the first internal thread 11, the inner diameter of the tightening part 12 gradually decreases along the direction away from the first internal thread 11, the tightening part 12 is in an inverted horn shape, the first internal thread 11 is correspondingly provided with a first rotating part 13 on the outer surface of the constraint member 1, and the first rotating part 13 protrudes out of the surface of the body of the constraint member 1.

The main body 2 is hollow cylindrical, a plurality of plastic clamping claws 21 along the axial direction of the main body 2 are arranged at intervals at one end edge of the main body 2, a single clamping claw 21 extends outwards in a strip shape, a first external thread 22 is arranged at the bottom of the outer surface of the main body 2, which is close to the clamping claw 21, a second external thread 23 is arranged at the outer surface of the other end of the main body 2, a second rotating part 24 is arranged between the first external thread 22 and the second external thread 23, and the second rotating part 24 protrudes out of the surface of the main body 2.

One end of the inner wall of the sleeve 3 is provided with an anti-slip ring 31 for limiting the linear electric screwdriver head 4 to move along the linear groove direction of the screw, the other end of the inner wall of the sleeve 3 is provided with a second internal thread 32, the inner diameter of the anti-slip ring 31 is matched with the diameter of the head of the linear groove screw 5, the second internal thread 32 is correspondingly provided with a third rotating part 33 on the outer surface of the sleeve 3, and the third rotating part 33 protrudes out of the surface of the body of the sleeve 3.

In order to adapt to the screws with different diameters of screw heads on the market, the sleeve 3 can be made into a series, and the diameter of the anti-slip ring 31 on the sleeve 3 is determined according to the diameter of the head of the slotted screw 5.

The first rotating part 13, the second rotating part 24 and the third rotating part 33 are respectively provided with three pairs of planes which are parallel and opposite to each other, the first rotating part 13, the second rotating part 24 and the third rotating part 33 select cross sections along the directions of the planes which are perpendicular to each other, the outer sides of the cross sections are regular hexagons, and the planes which are parallel and opposite to each other are convenient for assembling the linear electric screwdriver head anti-loosening device by using a spanner.

Referring to fig. 5, when in use, the sleeve 3 is selected according to the diameter of the slotted screw 5, the second internal thread 32 of the sleeve 3 is sleeved on the second external thread 23 of the main body 2, and the second rotating part 24 and the third rotating part 33 are rotated by a wrench, so that the main body 2 and the sleeve 3 are fixed; wrapping the tightening part 12 in the binding member 1 from the top to the bottom of the claw 21, wherein the first internal thread 11 of the binding member 1 is sleeved on the first external thread 22 of the main body 2, the claw 21 is not screwed at first, the claw 21 is in a free state, the linear electric batch head 4 can freely shuttle in the main body 2, and the linear electric batch head 4 sequentially passes through the channels of the binding member 1, the main body 2 and the sleeve 3; the linear electric screwdriver head 4 is adjusted to stay in the anti-slip ring 31 of the sleeve 3, the distance from the working end surface of the linear electric screwdriver head 4 to the outer end surface of the anti-slip ring 31 is smaller than the height of the head of the linear slot screw 5, then the first rotating part 13 and the second rotating part 24 are rotated by a wrench to fix the constraint part 1 and the main body 2, at the moment, the clamping jaw 21 is in a constraint state, and the linear electric screwdriver head 4 cannot move relatively relative to the main body 2 and the sleeve 3; finally, the anti-slip ring 31 of the sleeve 3 is sleeved on the head of the slotted screw 5 to be installed or detached, an electric screwdriver is started, and the slotted electric screwdriver head 4 is automatically clamped in a slotted groove on the head of the slotted screw 5.

According to the anti-loosening device for the linear electric screwdriver head, the anti-slip ring 31 is arranged on the sleeve 3, so that the linear electric screwdriver head 4 can be controlled to avoid loosening when the linear slot screw 5 is screwed in the anti-slip ring 31; in order to adapt to screws with screw heads with different diameters in the market, the diameter of an anti-slip ring 31 on a sleeve 3 is determined according to the diameter of the head of a slotted screw 5, the sleeve 3 and a main body 2 are detachably connected, and the sleeve 3 is made into a series, so that the applicability of the linear electric screwdriver head anti-loosening device is wider; the clamping jaw 21 is arranged on the main body 2 to be matched with the tightening part 12 on the binding member 1, so that the linear electric screwdriver bit 4 is fixed more firmly relative to the main body 2 and the sleeve 3.

The foregoing description of the preferred embodiments of the present utility model is not intended to limit the utility model, and those skilled in the art should not limit the utility model to the specific embodiments described, but should not limit the scope of the utility model.

Claims (8)

1. The utility model provides a first locking device that takes off is criticized to line electricity, its characterized in that includes tie-down (1), main part (2) and sleeve (3), the one end interval of main part (2) sets up a plurality of jack catch (21), tie-down (1) parcel the one end of main part (2) is fixed behind jack catch (21), the one end of sleeve (3) is fixed the other end of main part (2), the other end of sleeve (3) is equipped with anti-slip ring (31), tie-down (1), main part (2) and sleeve (3) all are equipped with the passageway that link up along its body axis.

2. The in-line electrical screwdriver bit anti-loosening device according to claim 1, wherein the clamping claws (21) are distributed at the edge of one end of the main body (2), and a single clamping claw (21) extends outwards in a strip shape.

3. The in-line electrical screwdriver head anti-loosening device according to claim 1, wherein one end inside the constraint piece (1) is provided with a tightening part (12), and the inner diameter of the tightening part (12) gradually decreases from one end of the constraint piece (1) fixed with the main body (2) to the other end of the constraint piece (1) to form an inverted horn shape.

4. The in-line electrical screwdriver bit anti-loosening device according to claim 1, wherein the inner diameter of the anti-slip ring (31) is adapted to the diameter of the screw head.

5. The in-line head anti-loosening device according to claim 1, wherein the exterior of the binding member (1), the main body (2) and the sleeve (3) is provided with a first rotating part (13), a second rotating part (24) and a third rotating part (33), respectively.

6. The in-line head anti-loosening device according to claim 5, wherein the outer side surfaces of the first rotating part (13), the second rotating part (24) and the third rotating part (33) are provided with at least a pair of planes which are parallel to each other.

7. The in-line electrical screwdriver bit anti-loosening device according to claim 1, wherein the main body (2) and the binding member (1) are fixed in a threaded connection manner.

8. An in-line electrical screwdriver bit anti-loosening device according to claim 2, wherein the main body (2) is fixed to the sleeve (3) by means of a threaded connection.