CN219649757U - Screwdriver with telescopic screwdriver bit - Google Patents

Abstract

The utility model discloses a telescopic screwdriver of a screwdriver head, which relates to the field of screwdriver heads and comprises a cylindrical groove seat, wherein a bearing for rotating a rotating shaft is welded on the back surface of the cylindrical groove seat, a screw rod which is in threaded connection with a screw rod sleeve on the outer side wall is welded on the surface of the rotating shaft, connecting rods with the heads fixed with square strips are welded on the upper side and the lower side of the surface of the screw rod sleeve, the cross section of the square strips is the same as the inner cross section of the cylindrical groove seat, and the screwdriver heads are detachably connected with the heads of the square strips.

Description

Screwdriver with telescopic screwdriver bit

Technical Field

The utility model relates to the field of screwdriver heads, in particular to a telescopic screwdriver of a screwdriver head.

Background

The driver is a screwdriver, a common tool used to turn screws into place, typically having a thin wedge-shaped head that is inserted into a slot or recess in the screw head for mounting and dismounting the screw.

At present, the length of the screwdriver head is fixed when the manufacture of the screwdriver is finished, the screwdriver cannot be adjusted, the condition that the length of the screwdriver rod is uncomfortable is frequently encountered in daily use (the screwdriver head is required to be contracted and adjusted due to the fact that the screwdriver head is mainly uncomfortable, and the screwdriver head is not required to be contracted and adjusted to be stretched to a normal position), and inconvenience is brought to the use of the screwdriver.

In summary, in order to facilitate the use of the screwdriver, the screwdriver head needs to be telescopic, namely, the length of the rod part of the screwdriver head can be adjusted, but in the traditional adjusting structure, the screwdriver head needs to be pulled to stretch and then be fixed, and the screwdriver head needs to be removed from the fixing when stretching again, so that the operation is troublesome.

Disclosure of Invention

The utility model mainly aims to provide the screwdriver with the telescopic screwdriver bit, which can be used for carrying out telescopic adjustment on the screwdriver bit on the screwdriver, is more convenient for the use of the screwdriver, can complete the telescopic operation by only rotating the rotating plate, can complete the fixation by stopping rotating the rotating plate, is simple to operate and can effectively solve the problems in the background art.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a screw tool that screwdriver bit is telescopic, includes cylinder recess seat, cylinder recess seat's back welding has the bearing that supplies pivot pivoted, the surface welding of pivot have on the lateral wall with screw rod cover threaded connection's screw rod, both sides all weld on the surface of screw rod cover have the head fixed connecting rod with square strip, square strip's cross section is the same with cylinder recess seat's internal cross section, square strip's head can be dismantled and be connected with the screwdriver bit.

Further, a rotating plate is welded on the back surface of the rotating shaft.

Further, square grooves for inserting square blocks are formed in the side ends of the square strips, and mounting plates with the surfaces fixed to the back of the screwdriver head are welded to the surfaces of the square blocks.

Further, a screw hole for mounting a screw is formed in the square block, and a through hole for the screw to pass through is formed in the square strip.

Further, a circular groove is formed in the square strip above the through hole.

Compared with the prior art, the utility model has the following beneficial effects: the rotating plate is rotated clockwise or anticlockwise, the rotating plate drives the rotation of the rotating shaft, the rotating shaft rotates along the inside of the bearing, the rotating shaft drives the screw rod to move back and forth, the screw rod drives the screw rod sleeve to move back and forth, the screw rod sleeve drives the connecting rod to move back and forth, the connecting rod drives the square strip to move back and forth linearly along the inside of the cylindrical groove seat, the square strip moves the front and back of the screwdriver head, the purpose of the telescopic screwdriver head can be achieved, and accordingly the rod part on the rotating tool is adjusted as required, so that special conditions are met, the position of the screwdriver head is fixed through threads on the screw rod when the rotating plate is not rotated, manual fixing is not needed, and the operation is quite simple.

Drawings

FIG. 1 is a schematic view of the overall structure of a retractable screwdriver bit in accordance with the present utility model;

FIG. 2 is a schematic view of the internal structure of a cylindrical recess seat in a retractable screwdriver bit in accordance with the present utility model;

fig. 3 is an enlarged view of part a of fig. 2 showing a retractable driver bit according to the present utility model.

In the figure: 1. a cylindrical groove seat; 2. a bearing; 3. a rotating shaft; 4. a screw; 5. a screw sleeve; 6. a connecting rod; 7. square strips; 8. a screwdriver bit; 9. a groove; 10. a bump; 11. a mounting plate; 12. screw holes; 13. a through hole; 14. a circular groove; 15. and (5) rotating the plate.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

1-3, a telescopic screwdriver of screwdriver head, including cylinder recess seat 1, the back welding of cylinder recess seat 1 has the bearing 2 that supplies pivot 3 pivoted, the surface welding of pivot 3 has on the lateral wall with screw rod cover 5 threaded connection's screw rod 4, the connecting rod 6 that head and square strip 7 are fixed has all been welded to both sides about the surface of screw rod cover 5, the cross section of square strip 7 is the same with the inside cross section of cylinder recess seat 1, the head detachably of square strip 7 is connected with screwdriver head 8.

Wherein, the back welding of pivot 3 has the revolving plate 15, and revolving plate 15 makes things convenient for the staff to rotate pivot 3.

The side end of the square strip 7 is provided with a square groove 9 for inserting a square block 10, the surface of the square block 10 is welded with a mounting plate 11 with the surface fixed to the back of the screwdriver bit 8, a screw hole 12 for mounting a screw is formed in the square block 10, and a through hole 13 for the screw to pass through is formed in the square strip 7.

It will be appreciated that the square block 10 on the screwdriver bit 8 is inserted into the square groove 9 on the square bar 7, the screw passes through the through hole 13 on the square bar 7, then the tool is rotated clockwise to be installed into the screw hole 12 on the square block 10 to complete the installation of the screwdriver bit 8, and the screw is only required to be disassembled by rotating the screw anticlockwise through the tool when the screwdriver bit is disassembled, and then the square block 10 is pulled out from the square groove 9, so that the disassembly of the screwdriver bit 8 can be completed.

Wherein, circular recess 14 has been seted up to the inside of square strip 7 that is located the top of through-hole 13, and the screw installation is accomplished the back, and the head of screw gets into circular recess 14 in, can not bulge to improve its aesthetic measure.

It should be noted that the utility model relates to a telescopic screwdriver of a screwdriver bit, the utility model rotates the rotating plate 15 clockwise or anticlockwise, the rotating plate 15 drives the rotation of the rotating shaft 3, the rotating shaft 3 rotates along the inside of the bearing 2, the rotating shaft 3 drives the back and forth movement of the screw rod 4, the screw rod 4 drives the back and forth movement of the screw rod sleeve 5, the screw rod sleeve 5 drives the back and forth movement of the connecting rod 6, the connecting rod 6 drives the back and forth movement of the square strip 7 to linearly slide back and forth along the inside of the cylindrical groove seat 1 (the cross section of the square strip 7 is the same as the cross section of the inside of the cylindrical groove seat 1, the square strip 7 can only linearly move along the inside of the square strip), the square strip 7 drives the front and back movement of the screwdriver bit 8, the purpose of the telescopic screwdriver bit 8 can be achieved, thereby adjusting the rod part on the screwdriver bit as required, to cope with special conditions, and the position of the screwdriver bit 8 is fixed through the screw thread on the screw rod 4 when the rotating plate 15 is not needed, at this time, the operation is very simple, the square block 10 on the square screwdriver bit 8 is inserted into the groove 9 (the cross section of the square strip 7 is the cross section of the square strip is the same as the cross section of the inside of the cylindrical groove seat 1, the cross section of the square strip 7 can only linearly move along the inside of the circular groove seat 1), the screwdriver bit 10 can be removed through the tool 12, the tool bit is removed through the screw bit 12 when the tool is removed from the square bit 12, and the tool bit is removed through the screw bit is just inside the round tool 12, and the tool is removed through the screw bit is just after the tool is removed through the tool is easy.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (5)

1. The utility model provides a telescopic screwdriver bit, includes cylinder recess seat (1), its characterized in that: the back welding of cylinder recess seat (1) has and supplies pivot (3) pivoted bearing (2), the surface welding of pivot (3) have on the lateral wall with screw rod cover (5) threaded connection's screw rod (4), both sides all weld on the surface of screw rod cover (5) have head and square strip (7) fixed connecting rod (6), the cross section of square strip (7) is the same with the inside cross section of cylinder recess seat (1), the head of square strip (7) can be dismantled and be connected with screwdriver bit (8).

2. A screwdriver bit retractable driver as defined in claim 1, wherein: the back of the rotating shaft (3) is welded with a rotating plate (15).

3. A screwdriver bit retractable driver as defined in claim 1, wherein: square grooves (9) into which square blocks (10) are inserted are formed in the side ends of the square strips (7), and mounting plates (11) with the surfaces fixed to the back of the screwdriver heads (8) are welded on the surfaces of the square blocks (10).

4. A screwdriver bit retractable driver as defined in claim 3, wherein: screw holes (12) for mounting screws are formed in the square blocks (10), and through holes (13) for the screws to pass through are formed in the square strips (7).

5. A screwdriver bit retractable driver as defined in claim 4, wherein: a circular groove (14) is formed in the square strip (7) and located above the through hole (13).