CN213889792U - Screwdriver - Google Patents

Abstract

The utility model discloses a screwdriver, which comprises a handle part and a rod part; the handle part comprises a shell, a rotating sleeve and a rotating column which are sleeved from outside to inside, the shell is connected with the rotating sleeve in a sliding mode, a plurality of spiral convex ridges are arranged on the inner wall of the rotating sleeve, a plurality of spiral grooves matched with the convex ridges are arranged on the outer wall of the rotating column, a square blind hole is coaxially arranged at the top of the rotating column, a limiting ring is arranged at the top of the shell, the diameter of a circle which is externally connected with the square blind hole is less than the inner diameter of the limiting ring and less than the outer diameter of the rotating column, the bottom of the shell is connected with an end cover, an engaging part is arranged at the bottom of the rotating sleeve, a recess matched with the engaging part is arranged at the top of the end cover, a spring b is arranged between the bottom surface of the engaging part and the end cover, and a spring a is arranged between the rotating column and the end cover; the rod part comprises a cutter head, a cutter bar and a square key which are fixedly connected in sequence from head to tail, and the square key is matched with the square blind hole. The utility model discloses simple structure, the availability factor is high.

Description

Screwdriver

Technical Field

The utility model relates to a hardware and tools field especially relates to a screwdriver.

Background

The screwdriver is a common hardware tool and has wide application, the screwdriver rod is usually fixed on the handle to be manufactured into the screwdriver used at present, and the screwdriver can be rotated for one circle only by screwing one circle by hand when in use, so that the efficiency is lower.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a screwdriver, simple structure, the availability factor is high.

In order to achieve the purpose, the utility model adopts the following technical proposal to realize:

the utility model discloses a screwdriver, which comprises a handle part and a rod part; the handle part comprises a shell, a rotating sleeve and a rotating column which are sleeved from outside to inside, the shell is connected with the rotating sleeve in a sliding mode, a plurality of spiral protruding ridges are arranged on the inner wall of the rotating sleeve, a plurality of spiral grooves matched with the protruding ridges are formed in the outer wall of the rotating column, a square blind hole is coaxially arranged at the top of the rotating column, a limiting ring is arranged at the top of the shell, the diameter of an external circle of the square blind hole is smaller than the inner diameter of the limiting ring and smaller than the outer diameter of the rotating column, the bottom of the shell is connected with an end cover, a meshing part is arranged at the bottom of the rotating sleeve, a recess matched with the meshing part is formed in the top of the end cover, a spring b is arranged between the bottom surface of the meshing part and the end cover, and a spring a is arranged between the rotating column and the end cover; the rod part comprises a tool bit, a tool bar and a square key which are fixedly connected in sequence from head to tail, and the square key is matched with the square blind hole.

Preferably, the engaging portion is a ring shape having engaging teeth on an outer wall thereof.

Preferably, the engaging part is a regular polygonal cylinder.

Preferably, the concave bottom surface of the end cover is provided with an annular concave matched with the spring b.

Preferably, the shell, the rotating sleeve, the rotating column, the spring a, the spring b and the square blind hole are all coaxially arranged.

Preferably, the material of the tool bit is a magnetic material.

Preferably, the housing is threadedly connected to the end cap.

Preferably, the outer wall of the shell is provided with anti-slip knurls.

Preferably, the ridges have a total of 4.

The utility model has the advantages that:

1. the utility model has simple structure.

2. The utility model discloses a reciprocating motion handle drive pole portion is rotatory and then screws up the screw, and efficiency is higher.

3. The utility model discloses can change pole portion with the multiple screw of adaptation.

Drawings

FIG. 1 is a cross-sectional view of a handle portion;

fig. 2 is a schematic view of a stem portion.

In the figure: 101-shell, 102-spacing ring, 201-rotating sleeve, 202-engaging part, 301-rotating column, 302-square blind hole, 4-end cover, 501-cutter bar, 502-square key, 503-cutter head, 6-spring a and 7-spring b.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings.

As shown in fig. 1 and 2, the present invention includes a handle portion and a rod portion; the handle part comprises a shell 101, a rotating sleeve 201 and a rotating column 301 which are sleeved from outside to inside, the shell 101 is connected with the rotating sleeve 201 in a sliding mode, a plurality of spiral protruding ridges are arranged on the inner wall of the rotating sleeve 201, a plurality of spiral grooves matched with the protruding ridges are arranged on the outer wall of the rotating column 301, a square blind hole 302 is coaxially arranged at the top of the rotating column 301, a limiting ring (102) is arranged at the top of the shell 101, the diameter of an external circle of the square blind hole 302 is smaller than the inner diameter of the limiting ring (102) and smaller than the outer diameter of the rotating column 301, the bottom of the shell 101 is connected with an end cover 4, a meshing part 202 is arranged at the bottom of the rotating sleeve 201, a concave matched with the meshing part 202 is arranged at the top of the end cover 4, a spring b7 is arranged between the bottom surface of the meshing part 202 and the end cover 4, and a spring a6 is arranged between the rotating column 301 and the end cover 4; the rod part comprises a tool bit 503, a tool bar 501 and a square key 502 which are fixedly connected in sequence from head to tail, the square key 502 is matched with the square blind hole 302, the meshing part 202 is in the shape of a ring with meshing teeth arranged on the outer wall, the bottom surface of the recess of the end cover 4 is provided with an annular recess matched with a spring b7, the shell 101, the rotating sleeve 201, the rotating column 301, the spring a6, the spring b7 and the square blind hole 302 are coaxially arranged, the tool bit 503 is made of a magnetic material, the shell 101 is in threaded connection with the end cover 4, the outer wall of the shell 101 is provided with anti-skid knurls, and the number of the knurls is 4.

The engaging portion 202 may also be a regular polygonal cylinder.

In practical use, the rod part is connected with the square blind hole 302 through the square key 502, the screw is sucked by the tool bit 503, the screw is placed in the screw hole and then the handle part is pressed, the rotating sleeve 201 and the rotating column 301 slide downwards, the engaging part 202 is engaged with the end cover 4 and then the rotating sleeve 201 is fixed, the rotating column 301 rotates through the convex edge and the groove to drive the rod part to rotate, when the force application is finished and the handle part retreats, the engaging part 202 is ejected out by the spring b7, the spring a6 ejects the rotating column 301, the rotating sleeve 201 rotates in the shell 101, and the handle part resets.

Of course, the present invention may have other embodiments, and those skilled in the art may make various corresponding changes and modifications according to the present invention without departing from the spirit and the essence of the present invention, and these corresponding changes and modifications should fall within the protection scope of the appended claims.

Claims (9)

1. A screwdriver which is characterized in that: comprises a handle part and a rod part;

the handle part comprises an outer shell (101), a rotating sleeve (201) and a rotating column (301) which are sleeved inwards, the outer shell (101) is connected with the rotating sleeve (201) in a sliding mode, the inner wall of the rotating sleeve (201) is provided with a plurality of spiral convex ridges, the outer wall of the rotating column (301) is provided with a plurality of spiral grooves matched with the convex ridges, the top of the rotating column (301) is coaxially provided with a square blind hole (302), the top of the outer shell (101) is provided with a limiting ring (102), the external circular diameter of the square blind hole (302) is smaller than the internal diameter of the limiting ring is smaller than the external diameter of the rotating column (301), the bottom of the outer shell (101) is connected with an end cover (4), the bottom of the rotating sleeve (201) is provided with an engaging part (202), the top of the end cover (4) is provided with an adaptive concave part of the engaging part (202), and a spring b (7) is arranged between the bottom surface of the engaging part (202) and the end cover (4), a spring a (6) is arranged between the rotating column (301) and the end cover (4);

the rod part comprises a tool bit (503), a tool bar (501) and a square key (502) which are fixedly connected in sequence from head to tail, and the square key (502) is matched with the square blind hole (302).

2. The screwdriver as recited in claim 1, wherein: the meshing part (202) is in a ring shape, and meshing teeth are arranged on the outer wall of the ring shape.

3. The screwdriver as recited in claim 1, wherein: the meshing part (202) is a regular polygonal cylinder.

4. The screwdriver as recited in claim 1, wherein: and the bottom surface of the recess of the end cover (4) is provided with an annular recess matched with the spring b (7).

5. The screwdriver as recited in claim 1, wherein: the shell (101), the rotating sleeve (201), the rotating column (301), the spring a (6), the spring b (7) and the square blind hole (302) are coaxially arranged.

6. The screwdriver as recited in claim 1, wherein: the material of the tool bit (503) is magnetic material.

7. The screwdriver as recited in claim 1, wherein: the shell (101) is in threaded connection with the end cover (4).

8. The screwdriver as recited in claim 1, wherein: the outer wall of the shell (101) is provided with anti-skid knurls.

9. The screwdriver as recited in claim 1, wherein: the ridges have 4 strips.

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