CN211332965U - Telescopic screwdriver - Google Patents

Abstract

The utility model discloses a flexible screwdriver, include: handle, cutter arbor, telescopic machanism and tool bit seat, wherein, the one end of cutter arbor with handle fixed connection the other end of cutter arbor with telescopic machanism swing joint, just telescopic machanism runs through the cutter arbor extends in the handle, it is used for holding to open in the handle the cavity of telescopic machanism and tool bit seat, the joint has the screwdriver head of a plurality of different specifications on the tool bit seat, telescopic machanism's tip be provided with the installing port that screwdriver head shape matches, be equipped with in the installing port and be used for adsorbing the magnet of screwdriver head. The utility model discloses can carry out nimble use under the limited condition in space, improve the application range of screwdriver. Furthermore, the utility model discloses a flexible screwdriver has the screwdriver head of multiple different specifications, can be as required better screwdriver head at any time, has further improved application range, convenient to carry simultaneously, simple structure.

Description

Telescopic screwdriver

Technical Field

The utility model relates to the field of machinary, in particular to flexible screwdriver.

Background

Hardware tools refer to a general name of various metal devices manufactured by physically processing metals such as iron, steel, aluminum and the like through forging, rolling, cutting and the like, the hardware tools include various manual, electric, pneumatic, cutting tools, steam protection tools, agricultural tools, hoisting tools, measuring tools, tool machines, cutting tools, tool clamps, cutters, dies, cutting tools, grinding wheels, drills, polishing machines, tool accessories, measuring tools, abrasive grinding tools and the like, and a screwdriver is a tool for screwing a screw to be in place. Screwdrivers generally consist of a handle, a blade holder and a screwdriver bit, and are particularly suitable for tightening or loosening screws in deeper positions.

The handle and the cutter bar of the existing screwdriver are fixedly connected, and the cutter bar cannot stretch out and draw back, so that the screwdriver cannot flexibly stretch out and draw back under the condition of limited space and is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model provides a flexible screwdriver to solve the above-mentioned technical problem who exists among the prior art.

In order to solve the technical problem, the utility model provides a flexible screwdriver, include: handle, cutter arbor, telescopic machanism and tool bit seat, wherein, the one end of cutter arbor with handle fixed connection the other end of cutter arbor with telescopic machanism swing joint, just telescopic machanism runs through the cutter arbor extends in the handle, it is used for holding to open in the handle the cavity of telescopic machanism and tool bit seat, the joint has the screwdriver head of a plurality of different specifications on the tool bit seat, telescopic machanism's tip be provided with the installing port that screwdriver head shape matches, be equipped with in the installing port and be used for adsorbing the magnet of screwdriver head.

Preferably, the telescopic mechanism includes: the flexible rod comprises a flexible rod and connecting pieces arranged at two ends of the flexible rod, the cross section of each connecting piece is of a hexagonal structure, and grooves are formed in the connecting pieces along the radial direction.

Preferably, a locking mechanism matched with the connecting piece is arranged at the end part of the cutter bar.

Preferably, the locking mechanism includes: ball, cover are established the sliding sleeve of cutter arbor tip is in with the setting spring between cutter arbor and the sliding sleeve, wherein, the tip of cutter arbor be provided with the through-hole that the ball corresponds, be provided with the ball groove of stepping down in the sliding sleeve.

Preferably, the end of the connecting piece is provided with a limiting block.

Preferably, the tool bit holder includes: the hollow cylinder shaped main body, be located the main part middle part just centers on the ring flange that the main part round set up and be located on the ring flange and around the supporting seat that the main part round set up evenly.

Preferably, an end cap is provided at an end of the handle.

Preferably, the tool bit seat is integrally formed by injection molding.

Compared with the prior art, the utility model discloses a flexible screwdriver, include: handle, cutter arbor, telescopic machanism and tool bit seat, wherein, the one end of cutter arbor with handle fixed connection the other end of cutter arbor with telescopic machanism swing joint, just telescopic machanism runs through the cutter arbor extends in the handle, it is used for holding to open in the handle the cavity of telescopic machanism and tool bit seat, the joint has the screwdriver head of a plurality of different specifications on the tool bit seat, telescopic machanism's tip be provided with the installing port that screwdriver head shape matches, be equipped with in the installing port and be used for adsorbing the magnet of screwdriver head. The utility model discloses a set up telescopic machanism, can carry out nimble use under the limited condition in space, improved the application range of screwdriver. In addition, through set up the cavity in the handle to set up the tool bit seat in the cavity, make the utility model discloses a flexible screwdriver has the screwdriver head of multiple different specifications, can be better screwdriver head at any time as required during the in-service use, has further improved application range, convenient to carry simultaneously, simple structure.

Drawings

Fig. 1 is a schematic structural view of the telescopic screwdriver of the present invention;

fig. 2 is a schematic structural view of a telescopic mechanism in the telescopic screwdriver of the present invention;

fig. 3 is a schematic structural view of a tool bit seat of the telescopic screwdriver of the present invention.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. It should be noted that the drawings of the present invention are simplified and use non-precise ratios, and are only used for the purpose of facilitating and clearly assisting the description of the embodiments of the present invention.

As shown in fig. 1 to 3, the utility model provides a telescopic screwdriver, include: handle 1, cutter arbor 2, telescopic machanism 3 and tool bit seat 4.

One end of the cutter bar 2 is fixedly connected with the handle 1. Specifically, the cutter bar 2 may be directly fixed to the handle 1, or may be connected to the handle through a commutator, and the rotation direction of the cutter bar 2 may be adjusted and limited by rotating the commutator. The other end of the cutter bar 2 is movably connected with the telescopic mechanism 3 and is used for transmitting the torque force acting on the handle 1 to the telescopic mechanism 3.

The telescopic mechanism 3 extends through the tool bar 2 and into the handle 1, that is, when the telescopic mechanism 3 is in a contracted state, a main body part of the telescopic mechanism is positioned in the tool bar 2 and the handle 1. When the telescopic mechanism 3 is not in the contracted state, the main body part of the telescopic mechanism extends out of the cutter bar 2.

With particular reference to fig. 2, the telescopic mechanism 3 comprises: the flexible rod 31 and the connecting pieces 32 are arranged at two ends of the flexible rod 31, the cross section of each connecting piece 32 is of a hexagonal structure, the connecting pieces 32 are provided with grooves 33 along the radial direction, and the grooves 33 are used for being matched with a subsequent locking mechanism to fix the telescopic mechanism 3.

The handle 1 is provided with a cavity for accommodating the telescopic mechanism 3 and the tool bit seat 4, and the tool bit seat 4 is clamped with a plurality of screwdriver bits with different specifications. Further, an end cap 11 is provided at an end of the handle 1. That is to say, the utility model discloses concentrate screwdriver head and set up on tool bit seat 4, set up tool bit seat 4 again in the cavity, alright with the storage and the carrying that realize the screwdriver head of different specifications.

The tip of telescopic machanism 3 be provided with mounting hole 34 that screwdriver head shape matches, be equipped with in the mounting hole 34 and be used for adsorbing screwdriver head's magnet can adsorb screwdriver head and avoid screwdriver head to drop, conveniently takes off screwdriver head simultaneously.

Preferably, the end of the knife bar 2 is provided with a locking mechanism 5 matched with the connecting piece 32 of the telescopic mechanism 3. The locking mechanism 5 includes: ball, cover are established the sliding sleeve of 2 tip of cutter arbor and setting are in spring between cutter arbor 2 and the sliding sleeve, wherein, the tip of cutter arbor 2 be provided with the through-hole that the ball corresponds, be provided with the ball groove of stepping down in the sliding sleeve. Specifically, the open position of through-hole with the position of recess 33 on the connecting piece 32 corresponds, the degree of depth in ball groove of stepping down changes gradually, thereby for the ball provides certain degree of freedom, makes the ball can lock and loosen telescopic machanism 3's connecting piece 32. Specifically, when the sliding sleeve compression spring is pulled, the ball abdicating groove in the sliding sleeve can provide enough abdicating space for the ball, so that the connecting piece 32 can move freely. When the sliding sleeve is released, the spring drives the sliding sleeve to return to the original position, and the ball abdicating groove pushes the ball to contact with the groove 33 of the connecting piece 3, so that the connecting piece 33 is limited.

Further, the end of the connecting member 32 is provided with a limiting block 35, so that the connecting member 32 corresponds to the mounting position of the end of the cutter bar 2, and the groove and the ball can be aligned to ensure the locking effect of the locking mechanism 5.

As shown in fig. 3, the tool tip holder 4 includes: the supporting structure comprises a hollow cylindrical main body 41, a flange 42 which is positioned in the middle of the main body 41 and surrounds the main body 41 in a circle, and supporting seats 43 which are positioned on the flange 42 and surround the main body 41 in a circle and are uniformly distributed. Specifically, the main body 41 is configured to be a hollow cylinder, which can provide a moving space for the telescopic mechanism 3, and avoid the tool bit seat 4 and the telescopic mechanism 3 from interfering in the cavity.

Preferably, the tool bit seat 4 is supported by plastic, and can be integrally injection-molded by an injection molding machine.

To sum up, the utility model discloses a flexible screwdriver, include: handle 1, cutter arbor 2, telescopic machanism 3 and tool bit seat 4, wherein, the one end of cutter arbor 2 with 1 fixed connection of handle 1 the other end of cutter arbor 2 with telescopic machanism 3 swing joint, just telescopic machanism 3 runs through the cutter arbor 2 extends in the handle 1, it is used for holding to open in the handle 1 telescopic machanism 3 and tool bit seat 4's cavity, the joint has the screwdriver head of a plurality of different specifications on the tool bit seat 4, telescopic machanism 3's tip be provided with the installing port 5 that the screwdriver head shape matches, be equipped with in the installing port 5 and be used for adsorbing the magnet of screwdriver head. The utility model discloses a set up telescopic machanism 3, can carry out nimble use under the limited condition in space, improved the application range of screwdriver. In addition, through set up the cavity in handle 1 to set up tool bit seat 4 in the cavity, make the utility model discloses a flexible screwdriver has the screwdriver head of multiple different specifications, can be better screwdriver head at any time as required during the in-service use, has further improved application range, convenient to carry simultaneously, simple structure.

It will be apparent to those skilled in the art that various changes and modifications may be made to the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (8)

1. A telescopic screwdriver, characterized by comprising: handle, cutter arbor, telescopic machanism and tool bit seat, wherein, the one end of cutter arbor with handle fixed connection the other end of cutter arbor with telescopic machanism swing joint, just telescopic machanism runs through the cutter arbor extends in the handle, it is used for holding to open in the handle the cavity of telescopic machanism and tool bit seat, the joint has the screwdriver head of a plurality of different specifications on the tool bit seat, telescopic machanism's tip be provided with the installing port that screwdriver head shape matches, be equipped with in the installing port and be used for adsorbing the magnet of screwdriver head.

2. The telescopic screwdriver as recited in claim 1, wherein said telescopic mechanism comprises: the flexible rod comprises a flexible rod and connecting pieces arranged at two ends of the flexible rod, the cross section of each connecting piece is of a hexagonal structure, and grooves are formed in the connecting pieces along the radial direction.

3. The telescopic screwdriver as recited in claim 2, wherein the end of said screwdriver shank is provided with a locking mechanism matching said connector.

4. The telescopic screwdriver as recited in claim 3, wherein said locking mechanism comprises: ball, cover are established the sliding sleeve of cutter arbor tip is in with the setting spring between cutter arbor and the sliding sleeve, wherein, the tip of cutter arbor be provided with the through-hole that the ball corresponds, be provided with the ball groove of stepping down in the sliding sleeve.

5. The telescopic screwdriver as recited in claim 2, wherein the end of said connecting member is provided with a stopper.

6. The telescopic screwdriver as recited in claim 1, wherein said bit mount comprises: the hollow cylinder shaped main body, be located the main part middle part just centers on the ring flange that the main part round set up and be located on the ring flange and around the supporting seat that the main part round set up evenly.

7. The telescopic screwdriver as recited in claim 1, wherein an end cap is provided at an end of said handle.

8. The telescopic screwdriver according to claim 1, wherein said bit holder is integrally formed by injection molding.

Images