CN218698262U

CN218698262U - Adjusting mechanism and telescopic screwdriver head

Info

Publication number: CN218698262U
Application number: CN202223052197.2U
Authority: CN
Inventors: 黄道钟
Original assignee: Tuojin Jiangsu Hardware Co ltd
Current assignee: Tuojin Jiangsu Hardware Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-03-24
Anticipated expiration: 2032-11-16

Abstract

The utility model relates to a criticize first technical field, specifically be an adjustment mechanism and scalable screwdriver head, include: the positioning device comprises a shell, an inserting rod and a positioning column, wherein the lower end of the shell is connected with a rotating shaft, a slot is formed in the lower side wall of the rotating shaft, a positioning groove is formed in the outer wall of the inserting rod, the inserting rod is connected with a fixing block, a limiting plate and a telescopic spring are arranged inside the positioning column, and the limiting plate is connected with the positioning rod and a connecting rod; the beneficial effects are that: when carrying out the flexible regulation to the inserted bar, only need outside pulling arm-tie, the limiting plate that drives connecting rod one end extrudees expanding spring, along with the removal of limiting plate in the mounting groove, drives the locating lever and takes out from the constant head tank on the inserted bar outer wall, then adjusts the inserted bar to suitable distance after, removes the pulling force of applying to the arm-tie to insert the locating lever in suitable constant head tank through expanding spring's effect, so that it is fixed to the quick adjustment of inserted bar.

Description

Adjusting mechanism and telescopic screwdriver head

Technical Field

The utility model relates to a criticize first technical field, specifically be an adjustment mechanism and scalable screwdriver head.

Background

The screwdriver head is an electric screwdriver and is used for fastening or loosening screws, and belongs to a small electric tool.

Chinese patent CN 215470814U discloses a screw electricity is beaten to right angle corner L type and is criticized head, which comprises a handle, handle one end is equipped with the battery, the handle other end is equipped with the motor, the other end of motor is equipped with L type casing, all be equipped with a plurality of bearings in the pipeline of L type casing level and vertical direction, the drive shaft of motor stretches into to the fixed pivot that is equipped with of the inside one end of casing, the one end that the horizontal direction bearing was passed in the pivot is equipped with initiative conical gear, the bearing inner circle of vertical direction is equipped with pivot two, the upper end of pivot two is equipped with driven conical gear, pivot two other end centers that pass L type casing are equipped with inserts the chamber, it is equipped with the inserted bar in the chamber to insert, the inserted bar other end is equipped with more and changes the head, the inserted bar with insert between the chamber and match and be equipped with inserted bar fixed establishment, the utility model discloses compare the advantage with prior art and lie in: be provided with the multiunit bearing, make the pivot more firm, be provided with the telescopic inserted bar, be convenient for twist the screw of moving the different degree of depth, be provided with anti-skidding decorative pattern on the runner, increase frictional force.

However, in the above device, the insertion rod is fixed by the screw, when screws of different depths need to be screwed, the screw and the threaded hole can be separated by rotating the rotating wheel, and then the height of the insertion rod is adjusted.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an adjustment mechanism and scalable screwdriver head to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme: an adjustment mechanism, comprising:

the lower end of the shell is connected with a rotating shaft, and a slot is formed in the lower side wall of the rotating shaft;

one end of the inserting rod is connected with the inside of the slot, a plurality of positioning grooves which are uniformly distributed are formed in the outer wall of the inserting rod, and a fixing block is fixedly connected to the side wall of the other end of the inserting rod;

the locating column, fixed connection is on the lateral wall of pivot, the inside of locating column is equipped with limiting plate and expanding spring, limiting plate connection has locating lever and connecting rod.

Preferably, the positioning column is internally provided with a mounting groove, and a through hole is formed between the left inner wall and the right inner wall of the mounting groove and the inner wall of the slot.

Preferably, the one end that the limiting plate was kept away from to the connecting rod passes mounting groove right side through-hole, the one end fixedly connected with arm-tie that the connecting rod is located the reference column outside.

Preferably, the extension spring cup joints on the outer wall of connecting rod, the one end of extension spring and the right side inner wall fixed connection of mounting groove, the other end of extension spring and the lateral wall fixed connection of limiting plate.

Preferably, the other side of the limiting plate far away from the telescopic spring is fixedly connected with the positioning rod, and the positioning rod penetrates through a through hole between the mounting groove and the slot to be connected with one positioning groove.

Preferably, the lower side wall of the fixing block is provided with a fixing groove.

Preferably, the inner wall of the upper end of the fixing groove is fixedly connected with a magnetic block.

A telescopic screwdriver bit comprises the adjusting mechanism.

Compared with the prior art, the beneficial effects of the utility model are that:

when carrying out the flexible regulation to the inserted bar, only need outside pulling arm-tie, the limiting plate that drives connecting rod one end extrudees expanding spring, along with the removal of limiting plate in the mounting groove, drives the locating lever and takes out from the constant head tank on the inserted bar outer wall, then adjusts the inserted bar to suitable distance after, removes the pulling force of applying to the arm-tie to insert the locating lever in suitable constant head tank through expanding spring's effect, so that it is fixed to the quick adjustment of inserted bar.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a partial half-section structure of the present invention;

fig. 3 is an enlarged schematic view of a structure shown in fig. 2 according to the present invention.

In the figure: 1. a housing; 2. a rotating shaft; 3. a positioning column; 4. positioning a groove; 5. a fixed block; 6. fixing grooves; 7. a through hole; 8. inserting a rod; 9. a slot; 10. a magnetic block; 11. positioning a rod; 12. a limiting plate; 13. a connecting rod; 14. a tension spring; 15. pulling a plate; 16. and (7) installing a groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention will be further described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some embodiments of the invention and are not limiting of the invention, and that all other embodiments obtained by those of ordinary skill in the art without the exercise of inventive faculty are within the scope of the invention.

The first embodiment is as follows:

referring to fig. 1-3, the present invention provides a technical solution: an adjustment mechanism, comprising: the lower end of the shell 1 is connected with a rotating shaft 2, and the lower side wall of the rotating shaft 2 is provided with a slot 9; one end of the inserting rod 8 is connected with the inside of the slot 9, a plurality of positioning grooves 4 which are uniformly distributed are formed in the outer wall of the inserting rod 8, and a fixing block 5 is fixedly connected to the side wall of the other end of the inserting rod 8; reference column 3, fixed connection is on the lateral wall of pivot 2, and the inside of reference column 3 is equipped with limiting plate 12 and expanding spring 14, and limiting plate 12 is connected with locating lever 11 and connecting rod 13.

When carrying out flexible regulation to inserted bar 8, only need outside pulling arm-tie 15, the limiting plate 12 that drives connecting rod 13 one end extrudees expanding spring 14, along with the removal of limiting plate 12 in mounting groove 16, drive locating lever 11 and take out from constant head tank 4 on the 8 outer walls of inserted bar, then adjust inserted bar 8 to suitable distance after, remove the pulling force of applying to pulled plate 15, and insert suitable constant head tank 4 with locating lever 11 through expanding spring 14's effect, accomplished the quick adjustment to inserted bar 8.

The second embodiment:

on the basis of the first embodiment, in order to facilitate quick adjustment of the insert rod 8, an installation groove 16 is formed in the positioning column 3, and a through hole 7 is formed between the left inner wall and the right inner wall of the installation groove 16 and the inner wall of the slot 9; one end, far away from the limiting plate 12, of the connecting rod 13 penetrates through the through hole 7 in the right side of the mounting groove 16, and one end, located outside the positioning column 3, of the connecting rod 13 is fixedly connected with a pulling plate 15; the telescopic spring 14 is sleeved on the outer wall of the connecting rod 13, one end of the telescopic spring 14 is fixedly connected with the right inner wall of the mounting groove 16, and the other end of the telescopic spring 14 is fixedly connected with the side wall of the limiting plate 12; the other side of the limiting plate 12, which is far away from the telescopic spring 14, is fixedly connected with a positioning rod 11, and the positioning rod 11 passes through the through hole 7 between the mounting groove 16 and the slot 9 to be connected with one positioning groove 4.

Example three:

on the basis of the first embodiment, in order to facilitate the disassembly of screws of different models, a fixing groove 6 is formed in the lower side wall of the fixing block 5; the inner wall of the upper end of the fixed groove 6 is fixedly connected with a magnetic block 10.

Through the inside magnetic block 10 that sets up of fixed slot 6 to change the batch head to the screw of different models, thereby dismantle.

During the in-service use, when carrying out flexible regulation to inserted bar 8, only need outside pulling arm-tie 15, limiting plate 12 that drives connecting rod 13 one end extrudees expanding spring 14, along with limiting plate 12's removal in mounting groove 16, drive locating lever 11 and take out from constant head tank 4 on the 8 outer walls of inserted bar, then adjust inserted bar 8 to suitable distance after, remove the pulling force of applying to pulled plate 15, and insert locating lever 11 in suitable constant head tank 4 through expanding spring 14's effect, the quick adjustment to inserted bar 8 has been accomplished, it changes the batch head to be convenient for the screw of different models through the inside magnetic block 10 of fixed slot 6 simultaneously.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An adjustment mechanism, characterized by: the adjustment mechanism includes:

the lower end of the shell (1) is connected with a rotating shaft (2), and a slot (9) is formed in the lower side wall of the rotating shaft (2);

one end of the inserting rod (8) is connected with the inside of the slot (9), a plurality of positioning grooves (4) which are uniformly distributed are formed in the outer wall of the inserting rod (8), and a fixing block (5) is fixedly connected to the side wall of the other end of the inserting rod (8); and

reference column (3), fixed connection is on the lateral wall of pivot (2), the inside of reference column (3) is equipped with limiting plate (12) and expanding spring (14), limiting plate (12) are connected with locating lever (11) and connecting rod (13).

2. An adjustment mechanism according to claim 1, wherein: a mounting groove (16) is formed in the positioning column (3), and a through hole (7) is formed between the left inner wall and the right inner wall of the mounting groove (16) and the inner wall of the slot (9).

3. An adjustment mechanism according to claim 2, wherein: the one end that limiting plate (12) were kept away from in connecting rod (13) passes mounting groove (16) right side through-hole (7), connecting rod (13) are located one end fixedly connected with arm-tie (15) in reference column (3) outside.

4. An adjustment mechanism according to claim 2, wherein: telescopic spring (14) cup joints on the outer wall of connecting rod (13), the right side inner wall fixed connection of the one end of telescopic spring (14) and mounting groove (16), the other end of telescopic spring (14) and the lateral wall fixed connection of limiting plate (12).

5. An adjustment mechanism according to claim 2, wherein: the other side of the limiting plate (12) far away from the telescopic spring (14) is fixedly connected with the positioning rod (11), and the positioning rod (11) penetrates through a through hole (7) between the mounting groove (16) and the slot (9) to be connected with one positioning groove (4).

6. An adjustment mechanism according to claim 1, wherein: and a fixing groove (6) is formed in the lower side wall of the fixing block (5).

7. An adjustment mechanism according to claim 6, wherein: and the inner wall of the upper end of the fixing groove (6) is fixedly connected with a magnetic block (10).

8. The utility model provides a scalable screwdriver head which characterized in that: comprising an adjustment mechanism according to any of the preceding claims 1-7.