CN220428219U - Screw gun convenient for replacing tool bit - Google Patents

Abstract

The utility model discloses a screw gun convenient for replacing a tool bit, which belongs to the technical field of hardware tools and comprises a screw gun body, wherein the bottom end of the screw gun body is fixedly connected with a grab handle, the outer end of the grab handle is provided with a switch, the bottom end of the grab handle is provided with a base, one end of the screw gun body is provided with a battery, one end of the screw gun body, which is far away from the battery, is fixedly connected with a screw gun head, one side, which is far away from the screw gun body, of the screw gun head is provided with a chuck assembly, a plurality of limiting assemblies are arranged in the chuck assembly, the inner wall of the sleeve can extrude a wedge block through rotating the sleeve, so that a slide bar pushes a extruding block downwards to clamp the screw driver head, the screw driver head is prevented from sliding, the screw driver head is limited through an inner hexagonal groove of the rotating head, the screw driver head can be stably rotated, and meanwhile, the screw driver head can be installed and disassembled, and convenience is improved.

Description

Screw gun convenient for replacing tool bit

Technical Field

The utility model relates to the technical field of hardware tools, in particular to a screw gun with a conveniently replaced tool bit.

Background

The screw driver is usually driven by electric power, also called electric screwdriver, and is mainly used for tightening screws or bolts. It is usually composed of a handle and an electric motor, the handle is provided with different types and sizes of screwdriver heads, and the screwdriver heads can be used for screwing or unscrewing various types of screws or bolts, so that the screwdriver is more labor-saving and more efficient than a manual screwdriver.

Chinese patent grant bulletin number: CN215548274U provides electric screw driver, and this scheme is through criticizing head and electric screw driver setting, and the stability of the connection that can guarantee just has flexible buffer gear after connecting, and the screw thread of effectual protection screw and the screw thread of product can not receive the damage because of the pressure of criticizing the head when locking the screw, improves the lock and pays.

This scheme is only through the button to screwdriver's criticizing head centre gripping, skidded easily when the screw of installation high torque to lead to the screw head to be damaged or wearing and tearing, make the screw unable normal screw down or loosen, reduced the efficiency of work, consequently put forward a screwdriver of being convenient for change tool bit to above-mentioned problem.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the utility model aims to provide a screw gun with a conveniently replaced tool bit, which can enable the inner wall of a sleeve to extrude a wedge block through rotating the sleeve, so that a slide bar pushes an extrusion block downwards to clamp a screwdriver bit to prevent the screwdriver bit from sliding off, and the screwdriver bit can be stably rotated through limiting the screwdriver bit through an inner hexagonal groove of the rotating bit, and meanwhile, the installation and the disassembly of the screwdriver bit can be realized through rotating the sleeve, thereby improving the convenience.

2. Technical proposal

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a screw rifle convenient to change tool bit, includes the screw rifle body, screw rifle body bottom fixedly connected with grab handle, the grab handle outer end is provided with the switch, the grab handle bottom is provided with the base, the battery is installed to screw rifle body one end, screw rifle body is kept away from battery one end fixedly connected with screw rifle head, screw rifle head is kept away from screw rifle body one side and is provided with the chuck subassembly, the inside a plurality of spacing subassemblies that are provided with of chuck subassembly.

Further, the chuck assembly comprises a rotating head, an inner hexagonal groove is formed in the rotating head, one end of the rotating head is fixedly connected with the grab handle, and a magnet is mounted on the inner wall of the rotating head.

Further, the chuck assembly further comprises a sleeve, threads are engraved in the sleeve, and threads matched with the sleeve are engraved at one end, close to the grab handle, of the rotating head.

Further, the spacing subassembly includes the slide bar, slide bar one end fixedly connected with wedge, slide bar is kept away from wedge one end fixedly connected with extrusion piece, and the slide bar runs through the rotor head lateral wall.

Further, a pair of limiting blocks is fixedly connected to the outer ends of the sliding rods, telescopic springs are sleeved outside the sliding rods in a surrounding mode, and one ends of the telescopic springs are abutted to the outer ends of the limiting blocks.

Further, the base includes the box body, grab handle bottom and box body inner wall all are carved with assorted screw thread, the inside a plurality of baffles that are provided with of box body.

Further, a pair of sliding blocks is fixedly connected to the outer ends of the partition boards, a plurality of sliding grooves matched with the sliding blocks are formed in the inner wall of the box body, and the sliding blocks are in sliding connection with the sliding grooves.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages that:

(1) According to the scheme, the inner wall of the sleeve can extrude the wedge block through rotating the sleeve, so that the sliding rod downwards pushes the extruding block, the screwdriver head is clamped by the extruding block, the screwdriver head is prevented from sliding off, the screwdriver head is limited by the inner hexagonal groove of the rotating head, the screwdriver head can stably rotate, and meanwhile, the screwdriver head can be installed and detached through rotating the sleeve, so that convenience is improved.

(2) The base in this scheme reaches detachable purpose through threaded connection, and a plurality of spaces are separated to its inside a plurality of baffles, can regard as the storing space, place some screws and gadget, have improved the practicality.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a partial side cross-sectional structure of the present utility model;

FIG. 3 is a schematic view of the structure of FIG. 2A according to the present utility model;

fig. 4 is a schematic view of a base structure of the present utility model.

The reference numerals in the figures illustrate:

1. a screw gun body; 2. a grab handle; 3. a screw gun head; 4. a collet assembly; 401. a rotating head; 402. a sleeve; 403. a magnet; 5. a base; 501. a case body; 502. a partition plate; 503. a slide block; 6. a battery; 7. a switch; 8. a limit component; 801. wedge blocks; 802. a slide bar; 803. a limiting block; 804. a telescopic spring; 805. extruding the blocks.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "upper", "lower", "inner", "outer", "top/bottom", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples:

please refer to fig. 1, a screw gun convenient to change tool bit, including screw gun body 1, screw gun body 1 bottom fixedly connected with grab handle 2, grab handle 2 outer end is provided with switch 7, and grab handle 2 bottom is provided with base 5, and battery 6 is installed to screw gun body 1 one end, and screw gun body 1 keeps away from battery 6 one end fixedly connected with screw gun head 3, and screw gun head 3 is kept away from screw gun body 1 one side and is provided with chuck subassembly 4, and chuck subassembly 4 inside is provided with a plurality of spacing subassemblies 8.

In this scheme, screw rifle body 1 comprises motor and gear train, through the battery 6 power supply of installing at screw rifle body 1 afterbody, the switch 7 of its grab handle 2 outer end is the start-stop of control screw rifle body 1, screw rifle head 3 is installed to the output of its screw rifle body 1, screw rifle head 3 can be with power transmission to chuck subassembly 4 on, the first groove of criticizing on its rotating head 401 is interior hexagonal, applicable most of on the market criticizing the head, simultaneously also can carry out spacing to the criticizing the head, make it can be steady rotatory, first with sleeve 402 outwards rotate during the installation, the afterbody of criticizing the head inserts the inslot again, with sleeve 402 inwards rotate, can make wedge 801 drive extrusion piece 805 to carry out the centre gripping to the criticizing the head, through the centre gripping effect of a plurality of spacing subassemblies 8, just can prevent to criticize the head landing, the rotating sleeve 402 can accomplish the installation and dismantle, the convenience has been improved, the base 5 of its grab handle 2 bottom then is the design for the storing box, a plurality of baffles 502 inside box body 501 can separate a plurality of spaces, can place some screws and some short, the convenience has been improved daily use.

Referring to fig. 1-3, the chuck assembly 4 includes a rotating head 401, an inner hexagonal groove is formed on the rotating head 401, one end of the rotating head 401 is fixedly connected with the grab handle 2, and a magnet 403 is mounted on the inner wall of the rotating head 401.

The chuck assembly 4 further comprises a sleeve 402, threads are engraved in the sleeve 402, and threads matched with the sleeve 402 are engraved on one end of the rotating head 401, which is close to the grab handle 2.

The limiting component 8 comprises a sliding rod 802, one end of the sliding rod 802 is fixedly connected with a wedge block 801, one end of the sliding rod 802, which is far away from the wedge block 801, is fixedly connected with an extrusion block 805, and the sliding rod 802 penetrates through the side wall of the rotating head 401.

The outer end of the slide bar 802 is fixedly connected with a pair of limiting blocks 803, a telescopic spring 804 is sleeved outside the slide bar 802, and one end of the telescopic spring 804 is abutted against the outer ends of the limiting blocks 803.

The power transmission of the screw gun body 1 is transmitted to the screwdriver head installed on the screwdriver head 401 through the screw gun head 3, the screwdriver head can rotate, the sleeve 402 is connected with the tail end of the screw gun body 401 in a threaded mode, the sleeve 402 rotates outwards, the extrusion of the wedge-shaped block 801 is stopped due to the inclined shape inside the sleeve, the screwdriver head can be placed into the inner hexagonal groove of the screw gun body 401, the magnet 403 inside the screwdriver head can absorb the screwdriver head, the screwdriver head is temporarily fixed, and the screw gun body 1 does not need to be lifted upwards all the time when the sleeve 402 is conveniently rotated.

When the sleeve 402 is rotated to move backwards, the sleeve 402 extrudes the wedge-shaped block 801, so that the slide bar 802 drives the extrusion block 805 to clamp a batch head, the salient points arranged at the outer end of the extrusion block 805 can improve clamping force, meanwhile, the limiting block 803 can also move along with the slide bar 802 and compress the telescopic spring 804, when the sleeve 402 is rotated outwards, the sleeve 402 can be reset through acting force of the telescopic spring 804, the batch head can be prevented from falling through extrusion of a plurality of limiting assemblies 8, and then the batch head is matched with limiting of the inner hexagonal groove, so that the batch head can be stably rotated.

Referring to fig. 4, the base 5 includes a case 501, threads matching with the bottom end of the handle 2 and the inner wall of the case 501 are engraved on the bottom end of the handle, and a plurality of partitions 502 are disposed inside the case 501.

The outer end of the partition 502 is fixedly connected with a pair of sliding blocks 503, a plurality of sliding grooves matched with the sliding blocks 503 are formed in the inner wall of the box body 501, and the sliding blocks 503 are in sliding connection with the sliding grooves.

The screw thread that matches each other is all carved to grab handle 2 bottom in this scheme and the inner wall of box body 501, consequently box body 501 can easy to assemble and dismantlement, its baffle 502 internally mounted has a plurality of baffles 502 can separate its inner chamber into a plurality of storing spaces, can make things convenient for it to place some screws, its baffle 502 is installed in box body 501 through the slider 503 of outer end, just can realize the installation through slider 503 and spout slip, can dismantle some baffles 502 when needs place some and criticize the head, change the pattern in storing space, the practicality is improved.

Working principle: when the device is used, the corresponding screwdriver head is required to be installed according to the requirement, the screwdriver head is placed into the inner hexagonal groove of the rotating head 401, the magnet 403 in the screwdriver head can absorb the screwdriver head and temporarily fix the screwdriver head, then the sleeve 402 is rotated, at the moment, the sleeve 402 can squeeze the wedge-shaped block 801, so that the slide rod 802 drives the squeeze block 805 to clamp the screwdriver head, the bump arranged at the outer end of the squeeze block 805 can improve the clamping force, meanwhile, the limiting block 803 can also move along with the slide rod 802 and compress the telescopic spring 804, the screwdriver head can be reset through the acting force of the telescopic spring 804 when the sleeve 402 is rotated outwards, the screwdriver head can be prevented from falling through the extrusion of the limiting assemblies 8, a plurality of storage spaces are separated from the inside of the box body 501 at the bottom end of the grab handle 2, a plurality of screws can be placed, the start and stop of the screw gun body 1 can be controlled by pressing the switch 7, and the installation screws can be used.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims (7)

1. Screw rifle convenient to change tool bit, including screw rifle body (1), its characterized in that: the screw gun comprises a screw gun body (1), wherein a grab handle (2) is fixedly connected to the bottom end of the screw gun body (1), a switch (7) is arranged at the outer end of the grab handle (2), a base (5) is arranged at the bottom end of the grab handle (2), a battery (6) is arranged at one end of the screw gun body (1), a screw gun head (3) is fixedly connected to one end of the screw gun body (1) far away from the battery (6), a chuck assembly (4) is arranged on one side of the screw gun head (3) far away from the screw gun body (1), and a plurality of limiting assemblies (8) are arranged inside the chuck assembly (4).

2. A screw driver for facilitating replacement of a bit according to claim 1, wherein: the chuck assembly (4) comprises a rotating head (401), wherein an inner hexagonal groove is formed in the rotating head (401), one end of the rotating head (401) is fixedly connected with the grab handle (2), and a magnet (403) is arranged on the inner wall of the rotating head (401).

3. A screw driver for facilitating replacement of a bit according to claim 2, wherein: the chuck assembly (4) further comprises a sleeve (402), threads are engraved in the sleeve (402), and threads matched with the sleeve (402) are engraved at one end, close to the grab handle (2), of the rotating head (401).

4. A screw driver for facilitating replacement of a bit according to claim 1, wherein: the limiting component (8) comprises a sliding rod (802), one end of the sliding rod (802) is fixedly connected with a wedge block (801), one end of the sliding rod (802) away from the wedge block (801) is fixedly connected with an extrusion block (805), and the sliding rod (802) penetrates through the side wall of the rotating head (401).

5. A screw driver for facilitating replacement of a bit according to claim 4, wherein: the outer end of the sliding rod (802) is fixedly connected with a pair of limiting blocks (803), a telescopic spring (804) is sleeved outside the sliding rod (802), and one end of the telescopic spring (804) is abutted to the outer ends of the limiting blocks (803).

6. A screw driver for facilitating replacement of a bit according to claim 1, wherein: the base (5) comprises a box body (501), matched threads are engraved on the bottom end of the grab handle (2) and the inner wall of the box body (501), and a plurality of partition boards (502) are arranged inside the box body (501).

7. The screwdriver facilitating replacement of a bit according to claim 6, wherein: the outer end of the partition plate (502) is fixedly connected with a pair of sliding blocks (503), a plurality of sliding grooves matched with the sliding blocks (503) are formed in the inner wall of the box body (501), and the sliding blocks (503) are in sliding connection with the sliding grooves.