CN220994307U - Screw driver - Google Patents

Abstract

The utility model discloses a screwdriver, which comprises: the handle is fixedly connected with the matching part at the bottom of the handle, and a mounting hole is formed in the matching part; the cutter head is movably arranged in the mounting hole, and two limiting grooves are formed in two sides of the cutter head; the fixing mechanisms are symmetrically arranged on the matching parts, each fixing mechanism comprises two positioning pins, the two positioning pins are movably arranged in the first movable grooves, the two first movable grooves are formed in two sides of the matching parts and are communicated with the mounting holes, the second movable grooves are formed in the outer parts of the two first movable grooves, the fixing plates fixedly sleeved on the positioning pins are slidably arranged in the two second movable grooves, and springs are movably sleeved on the outer parts of the two positioning pins; through setting up the locating pin, when dismantling the change, only need pulling the locating pin, insert or break away from the spacing inslot of tool bit with the locating pin to accomplish the installation or the dismantlement of tool bit, this kind of screwdriver can conveniently be to the screw change tool bit of different grade type, easy operation.

Description

Screw driver

Technical Field

The utility model relates to the technical field of screwdriver manufacturing, in particular to a screwdriver.

Background

The screwdriver is an indispensable tool in our daily life and work operation, and in the construction process, due to reasons such as construction sites, environments, equipment faults, screw sizes and the like, the screw often falls off in the fastening process, so that hidden dangers such as line faults are caused, and meanwhile, due to different structural shapes of the screw, a large number of screwdrivers of different types are required to be carried.

Screw drivers capable of replacing the tool bit are arranged on the market, but when the tool bit is assembled or disassembled, the existing screw drivers are troublesome to operate, inconvenient to take and replace the tool bit, and work efficiency is affected.

Therefore, it is necessary to provide a new screwdriver to solve the above technical problems.

Disclosure of utility model

In order to solve the technical problems, the utility model provides a screwdriver.

The screwdriver provided by the utility model comprises:

The top of the handle is provided with a spiral cover;

The matching part is fixedly connected to the bottom of the handle, and a mounting hole in the vertical direction is formed in the matching part;

The cutter head is movably arranged in the mounting hole, and two limit grooves are symmetrically formed in two sides of the cutter head;

The fixing mechanism comprises two locating pins, the end parts of the locating pins are matched with the inside of the limiting groove, the locating pins are movably arranged in the first movable groove, the two locating pins are symmetrically arranged on the two sides of the matching part in the horizontal direction and are communicated with the mounting hole, one ends of the locating pins extend to the inside of the mounting hole, the other ends of the locating pins extend to the outside of the matching part and are fixedly connected with the pull rod, the two locating pins are fixedly connected with the mounting hole, the middle part of the inner wall of the first movable groove is provided with a second movable groove, the inner diameter of the second movable groove is larger than that of the first movable groove, the two locating pins are fixedly sleeved with a spring, and the two ends of the spring are fixedly connected with the inner walls of the fixing plate and the second movable groove respectively.

Preferably, two sides of the fixing plate are fixedly connected with sliding blocks, two sides of the second movable groove are respectively provided with a sliding rail, and the sliding blocks are in sliding connection with the sliding rails.

Preferably, the inner side wall of the handle is provided with a screw groove, the outer side wall of the spiral cover is provided with an outer screw layer, and the screw groove is matched with the outer screw layer.

Preferably, a plurality of accommodating grooves are formed in the handle at equal intervals, the inner diameter of each accommodating groove is larger than the diameter of the cutter head, and anti-skid patterns are formed in the handle and the outer part of the spiral cover.

Preferably, the handle internalization is equipped with the protection subassembly, the protection subassembly includes the limiting plate, a plurality of sponge sand grip of equidistant fixedly connected with in limiting plate bottom, the sponge sand grip with the quantity of storage tank is the same and one-to-one.

Preferably, the top of the cutter head is in a round table shape.

Compared with the related art, the screwdriver provided by the utility model has the following beneficial effects:

1. Through setting up the locating pin, when installing the tool bit, through outwards pulling the locating pin, make it shrink to first movable groove and second movable groove, then insert the mounting hole with the tool bit top in, loosen the locating pin, can insert the locating pin to the spacing inslot of tool bit under the elasticity effect of spring, thereby accomplish the installation of tool bit, when dismantling the change, only need pulling the locating pin once more, make it break away from with the tool bit mutually, thereby take out the tool bit from the mounting hole, this kind of screwdriver can conveniently change the tool bit to different grade type screw, its change is convenient, easy operation;

2. Through setting up the storage tank, be convenient for store the tool bit, be difficult for losing to through setting up the sponge sand grip, can carry out spacing protection to the tip of tool bit, prevent that it from bumping and receiving the damage.

Drawings

FIG. 1 is a schematic diagram of a screwdriver according to the present utility model;

FIG. 2 is a schematic view of a cutter head according to the present utility model;

FIG. 3 is a schematic view of the internal structure of the mating portion according to the present utility model;

fig. 4 is a schematic view of the internal structure of the handle according to the present utility model.

Reference numerals in the drawings: 1. a handle; 11. a receiving groove; 12. a screw groove; 2. screwing the cover; 21. an outer thread layer; 3. a mating portion; 31. a mounting hole; 4. a cutter head; 41. a limit groove; 5. a fixing mechanism; 51. a positioning pin; 52. a first movable groove; 53. a second movable groove; 54. a fixing plate; 55. a spring; 56. a slide block; 57. a slide rail; 6. a protective assembly; 61. a limiting plate; 62. sponge convex strips.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Specific implementations of the utility model are described in detail below in connection with specific embodiments.

Referring to fig. 1 to 4, a screwdriver according to an embodiment of the present utility model includes:

the handle 1, the top of the said handle 1 has spiral cover 2;

The matching part 3 is fixedly connected to the bottom of the handle 1, and a mounting hole 31 in the vertical direction is formed in the matching part 3;

The cutter head 4 is movably arranged in the mounting hole 31, and two limit grooves 41 are symmetrically formed in two sides of the cutter head 4;

The fixed establishment 5, the quantity of fixed establishment 5 is two and symmetry setting on mating portion 3, fixed establishment 5 includes two locating pins 51, the tip of locating pin 51 and the inside looks adaptation of spacing groove 41, two locating pins 51 all activity sets up in first movable groove 52, two first movable groove 52 is the horizontal direction symmetry and sets up in mating portion 3's both sides and all with mounting hole 31 intercommunication, two locating pins 51's one end extends to mounting hole 31 is inside, and the other end extends to mating portion 3 outside and with pull rod fixed connection, two second movable groove 53 have all been seted up at first movable groove 52 inner wall middle part, second movable groove 53 is linked together with first movable groove 52 and the internal diameter of second movable groove 53 is greater than the internal diameter of first movable groove 52, two in the second movable groove 53 all slide and be provided with fixed plate 54, fixed plate 54 fixed sleeve establishes on locating pin 51, two locating pin 51 outside all movable sleeve is equipped with spring 55, the second movable groove 53 and the both ends of fixed connection of spring 55 and second movable groove 53 respectively.

It should be noted that: when the tool bit 4 is installed, two locating pins 51 are synchronously pulled outwards through the pull rod, the fixing plate 54 synchronously moves outwards in the moving process of the locating pins 51, the spring 55 is in a compressed state at the moment, the sliding block 56 synchronously slides in the sliding rail 57 to provide a guiding effect for the moving of the locating pins 51 until the end parts of the locating pins 51 are contracted into the first movable groove 52 and the second movable groove 53, then the top of the tool bit 4 is inserted into the mounting hole 31, the locating pins 51 are loosened, the end parts of the locating pins 51 can be inserted into the limit grooves 41 on the two sides of the tool bit 4 under the elastic force of the spring 55, and therefore the tool bit 4 is installed and fixed.

In the embodiment of the present utility model, referring to fig. 3, two sides of the two fixing plates 54 are fixedly connected with a sliding block 56, two sides of the second movable slot 53 are respectively provided with a sliding rail 57, and the sliding blocks 56 are slidably connected in the sliding rails 57.

It should be noted that: by arranging the slide blocks 56, the slide blocks 56 synchronously slide on the slide rails 57 in the moving process of the fixed plate 54, and the design can play a certain guiding role on the movement of the fixed plate 54.

In the embodiment of the present utility model, referring to fig. 4, a threaded groove 12 is formed in the inner side wall of the handle 1, an outer threaded layer 21 is formed in the outer side wall of the cap 2, and the threaded groove 12 is adapted to the outer threaded layer 21.

It should be noted that: by arranging the screw grooves 12 and the outer screw thread layers 21, the handle 1 and the screw cap 2 are convenient to connect and fix.

In the embodiment of the present utility model, referring to fig. 1 and 4, a plurality of accommodating grooves 11 are equally spaced apart in the handle 1, the inner diameter of the accommodating groove 11 is larger than the diameter of the cutter head 4, and anti-skidding patterns are provided on the outer portions of the handle 1 and the screw cap 2.

It should be noted that: through setting up storage tank 11, the internal diameter of storage tank 11 is greater than the diameter of tool bit 4, is convenient for accomodate and deposit tool bit 4, through setting up the outside of handle 1 and spiral cover 2 all is provided with the antiskid line, can prevent the phenomenon that skids when the screwdriver uses.

In the embodiment of the present utility model, referring to fig. 4, a protection component 6 is movably disposed in the handle 1, the protection component 6 includes a limiting plate 61, a plurality of sponge protruding strips 62 are fixedly connected to the bottom of the limiting plate 61 at equal intervals, and the number of the sponge protruding strips 62 is the same as that of the accommodating grooves 11 and corresponds to one another.

It should be noted that: through setting up sponge sand grip 62, can protect the tool bit 4 of depositing to the storage tank 11 in, prevent that it from bumping and receiving the damage.

In the embodiment of the present utility model, referring to fig. 2, the top of the cutter head 4 is configured in a shape of a truncated cone.

It should be noted that: by setting the top of the cutter head 4 to be round table-shaped, the cutter head 4 is convenient to insert into the mounting hole 31.

The working principle of the screwdriver provided by the utility model is as follows:

When the tool bit 4 is installed, two positioning pins 51 are synchronously pulled outwards through a pull rod, the positioning pins 51 are synchronously moved outwards in the process of moving, at the moment, a spring 55 is in a compressed state, a sliding block 56 synchronously slides in a sliding rail 57 to provide a guiding effect for the movement of the positioning pins 51 until the end part of the positioning pins 51 is contracted into a first movable groove 52 and a second movable groove 53, then the top of the tool bit 4 is inserted into an installation hole 31, the positioning pins 51 are loosened, the end part of the positioning pins 51 can be inserted into limit grooves 41 on two sides of the tool bit 4 under the action of the elastic force of the spring 55, so that the tool bit 4 is installed and fixed, when the tool bit 4 is detached and replaced, the positioning pins 51 are pulled again, the end part of the positioning pins 51 are separated from the limit grooves 41 on two sides of the tool bit 4, the tool bit 4 is taken out from the installation hole 31, then the screw cap 2 is unscrewed, the protection component 6 is taken out, the required tool bit 4 is selected, the tool bit 4 after replacement is placed into the installation groove 11, the screw cap 2 is screwed, and then the tool bit 4 is assembled again through the operation.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (6)

1. A screwdriver, comprising:

the handle (1), the top of the handle (1) is provided with a spiral cover (2);

The matching part (3), the matching part (3) is fixedly connected to the bottom of the handle (1), and a mounting hole (31) in the vertical direction is formed in the matching part (3);

the cutter head (4) is movably arranged in the mounting hole (31), and two limit grooves (41) are symmetrically formed in two sides of the cutter head (4);

Fixed establishment (5), the quantity of fixed establishment (5) is two and symmetry setting on mating portion (3), fixed establishment (5) are including two locating pins (51), the tip and the inside looks adaptation of spacing groove (41) of locating pin (51), two locating pin (51) all activity sets up in first movable groove (52), two first movable groove (52) are the both sides of horizontal direction symmetry seting up in mating portion (3) and all with mounting hole (31) intercommunication, two locating pin (51) one end extends to inside mounting hole (31), and the other end extends to mating portion (3) outside and with pull rod fixed connection, two second movable groove (53) have all been seted up at first movable groove (52) inner wall middle part, second movable groove (53) are linked together and the internal diameter of second movable groove (53) is greater than the internal diameter of first movable groove (52), two second movable groove (53) are the both sides of horizontal direction symmetry seting up in mating portion (3) and all with mounting hole (31) intercommunication, two locating pin (54) and two fixed spring sleeve (54) are all set up in two inside spring sleeve (54) and two fixed spring sleeve (54) are fixed respectively.

2. The screwdriver according to claim 1, wherein two sides of the two fixing plates (54) are fixedly connected with sliding blocks (56), two sides of the second movable groove (53) are respectively provided with sliding rails (57), and the sliding blocks (56) are slidably connected in the sliding rails (57).

3. The screwdriver according to claim 1, wherein the inner side wall of the handle (1) is provided with a screw groove (12), the outer side wall of the screw cap (2) is provided with an outer screw layer (21), and the screw groove (12) is matched with the outer screw layer (21).

4. A screwdriver according to claim 3, wherein a plurality of accommodating grooves (11) are formed in the handle (1) at equal intervals, the inner diameter of each accommodating groove (11) is larger than the diameter of the cutter head (4), and anti-skidding patterns are formed on the outer parts of the handle (1) and the screw cap (2).

5. The screwdriver according to claim 4, wherein a protective component (6) is movably arranged in the handle (1), the protective component (6) comprises a limiting plate (61), a plurality of sponge raised strips (62) are fixedly connected to the bottom of the limiting plate (61) at equal intervals, and the number of the sponge raised strips (62) is the same as that of the accommodating grooves (11) and corresponds to the number of the accommodating grooves one by one.

6. Screwdriver according to claim 1, wherein the top of the bit (4) is provided in the shape of a truncated cone.