CN213197369U

CN213197369U - Screw fixing device of electric screwdriver

Info

Publication number: CN213197369U
Application number: CN202021191856.9U
Authority: CN
Inventors: 吴顺梁
Original assignee: Foshan Sukeda Technology Co ltd
Current assignee: Foshan Sukeda Technology Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-05-14
Anticipated expiration: 2030-06-23

Abstract

The utility model discloses an electric screwdriver screw fixing device, concretely relates to electric screwdriver subassembly technical field, including fixing base and hexagonal fixed slot, the inside of fixing base bottom is provided with the hexagonal fixed slot, the fixing base is close to the inside both sides of top position department and is provided with knob winding and unwinding structure. The utility model discloses a be provided with anti falling structure, anti falling structure includes flexible groove, be provided with flexible groove on the inside wall of hexagonal fixed slot, there is the spring inside in flexible groove, the one end of spring has the fixed block, the one end of fixed block has the lug, when using, insert the inside of hexagonal fixed slot with the head of hex bolts, the lug gets into the inside in flexible groove completely this moment, the spring shrink, the elasticity that resets that utilizes the spring can make the lug push up the head of hex bolts tightly, magnet can also attract the head of screw simultaneously, can make the fixed effect of screw better like this, be difficult to appear coming off, and convenient to use improves the efficiency of construction.

Description

Screw fixing device of electric screwdriver

Technical Field

The utility model relates to an electric screwdriver subassembly technical field specifically is an electric screwdriver screw fixing device.

Background

Electric screwdriver need be fixed to hexagon screw before screwing in hexagon screw, and hexagon screw is mainly fixed through setting up magnet absorption in the locking cap inside at present, but the fixed effect is relatively poor usually in this kind of mode, and the fixed mode of screw is more and more in recent years, but current electric screwdriver screw fixing device still has a lot of problems and defects.

In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved:

(1) the traditional screw fixing device for the electric screwdriver has poor fixing effect, is easy to fall off and is inconvenient to use;

(2) the traditional screw fixing device of the electric screwdriver cannot be used when the electric screwdriver is not powered, and cannot meet the use requirement;

(3) the traditional screw fixing device for the electric screwdriver is inconvenient for fixing screws of different specifications and poor in applicability.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric screwdriver screw fixing device to it is relatively poor to provide fixed effect in solving above-mentioned background art, appears droing easily, the not convenient to use's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a screw fixing device for an electric screwdriver comprises a fixing seat and a hexagonal fixing groove, wherein the hexagonal fixing groove is formed in the bottom end of the fixing seat, knob retraction structures are arranged on two sides of the inner portion of the position, close to the top end, of the fixing seat, a screwdriver head is arranged at the top end of the fixing seat, a structure convenient to disassemble and assemble is arranged between the fixing seat and the screwdriver head, and an anti-falling structure is arranged on the inner side wall of the hexagonal fixing groove;

the anti-falling structure comprises a telescopic groove, the telescopic groove is formed in the inner side wall of the hexagonal fixing groove, the spring is fixedly connected to the inner portion of the telescopic groove, the fixed block is fixedly connected to one end of the spring, the protruding block is fixedly connected to one end of the fixed block, and the magnet is arranged at the top end of the hexagonal fixing groove.

Preferably, the diameter of the projection is smaller than the width of the telescopic groove, and one side of the projection extends to the inside of the hexagonal fixing groove.

Preferably, the knob receive and releases the structure and comprises closing cap, retainer plate, outer knob, sliding tray, stopper and baffle, the sliding tray sets up respectively and is close to the inside both sides of top position department at the fixing base, the inside of sliding tray is provided with outer knob, one side of outer knob is provided with the baffle, one side of sliding tray inside is provided with the stopper, the outside fixedly connected with retainer plate of sliding tray one side, the outside of retainer plate one side is provided with the closing cap.

Preferably, the diameter of the baffle is larger than the diameter between the two ends of the limiting block, the outer knob is in sliding connection with the sliding groove, and the sealing cover is fixedly connected with the fixing ring through threads.

Preferably, the dismouting structure of being convenient for comprises spread groove, connecting block, jack, inserted bar, fixture block and draw-in groove, spread groove fixed connection is on the top of fixing base, connecting block fixed connection is in the bottom of tool bit, the inside of spread groove and connecting block all is provided with the jack, the inserted bar has been run through to the inside of jack, the equal fixedly connected with fixture block in both ends of one side of inserted bar, the draw-in groove sets up the both ends in spread groove one side.

Preferably, the connecting block is embedded in the connecting groove, and a clamping structure is formed between the clamping block and the clamping groove.

Compared with the prior art, the beneficial effects of the utility model are that: the screw fixing device for the electric screwdriver not only realizes better fixing effect, is not easy to fall off and convenient to use, realizes the use when the electric screwdriver is not powered on, can meet the use requirement, but also realizes the convenient fixing of screws with different specifications and stronger applicability;

(1) the anti-falling structure is arranged and comprises a telescopic groove, the telescopic groove is formed in the inner side wall of the hexagonal fixing groove, the spring is arranged in the telescopic groove, the fixing block is arranged at one end of the spring, the bump is arranged at one end of the fixing block, the magnet is arranged at the top end of the hexagonal fixing groove, when the anti-falling structure is used, the head of the hexagonal screw is inserted into the hexagonal fixing groove, the bump completely enters the telescopic groove, the spring contracts, the bump can be tightly pressed against the head of the hexagonal screw by utilizing the reset elastic force of the spring, and meanwhile, the magnet can attract the head of the screw, so that the fixing effect of the screw is good, the screw is not easy to fall off and convenient to use, and the construction;

(2) by arranging the sealing cover, the fixing ring, the outer knob, the sliding groove, the limiting block and the baffle plate, when the electric screwdriver cannot work due to no electricity, the sealing cover is unscrewed, and then the outer knob is pulled out, so that the screw can be manually screwed into an object to be fixed through the outer knob, and the use requirement can be met;

(3) through being provided with spread groove, connecting block, jack, inserted bar, fixture block and draw-in groove, when needs are fixed to the screw of different specifications, need change the fixing base of different specifications, pull out the fixture block from the draw-in groove is inside this moment, just so can follow the jack with the inserted bar and pull out to can be separated fixing base and tool bit, the dismantlement and the change of the fixing base of being convenient for, greatly increased the device's suitability.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

fig. 2 is a schematic view of the bottom cross-sectional structure of the hexagonal fixing groove of the present invention;

FIG. 3 is a schematic view of the partial cross-sectional structure of the outer knob in front view when pulled out;

fig. 4 is an enlarged partial cross-sectional view of the point a in fig. 1 according to the present invention.

In the figure: 1. a fixed seat; 2. a hexagonal fixing groove; 3. a bump; 4. a telescopic groove; 5. a magnet; 6. a knob retraction structure; 601. sealing the cover; 602. a stationary ring; 603. an outer knob; 604. a sliding groove; 605. a limiting block; 606. a baffle plate; 7. the structure is convenient to disassemble and assemble; 701. connecting grooves; 702. connecting blocks; 703. a jack; 704. inserting a rod; 705. a clamping block; 706. a card slot; 8. a cutter head; 9. a spring; 10. and (5) fixing blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1: referring to fig. 1-4, an electric screwdriver screw fixing device comprises a fixing seat 1 and a hexagonal fixing groove 2, the hexagonal fixing groove 2 is arranged inside the bottom end of the fixing seat 1, knob receiving and releasing structures 6 are arranged on two sides inside the fixing seat 1 near the top end, a tool bit 8 is arranged at the top end of the fixing seat 1, a structure 7 convenient to disassemble and assemble is arranged between the fixing seat 1 and the tool bit 8, and an anti-falling structure is arranged on the inner side wall of the hexagonal fixing groove 2;

referring to fig. 1-4, the screw fixing device for the electric screwdriver further comprises an anti-falling structure, wherein the anti-falling structure comprises a telescopic groove 4, the telescopic groove 4 is formed in the inner side wall of the hexagonal fixing groove 2, a spring 9 is fixedly connected inside the telescopic groove 4, one end of the spring 9 is fixedly connected with a fixing block 10, one end of the fixing block 10 is fixedly connected with a lug 3, and a magnet 5 is arranged at the top end of the hexagonal fixing groove 2;

the diameter of the convex block 3 is smaller than the width of the telescopic groove 4, and one side of the convex block 3 extends to the inside of the hexagonal fixing groove 2.

Specifically, as shown in fig. 1 and 2, the head of the hexagon screw is inserted into the hexagon fixing groove 2, at this time, the protrusion 3 completely enters the inside of the telescopic groove 4, the spring 9 contracts, the protrusion 3 can be pressed against the head of the hexagon screw by utilizing the reset elastic force of the spring 9, and meanwhile, the magnet 5 can also attract the head of the screw, so that the screw can be fixed well, is not easy to fall off, is convenient to use, and improves the construction efficiency;

example 2: the knob retraction structure 6 comprises a sealing cover 601, a fixing ring 602, an outer knob 603, a sliding groove 604, a limiting block 605 and a baffle 606, wherein the sliding groove 604 is respectively arranged at two sides of the inner part of the fixed seat 1 close to the top end, the outer knob 603 is arranged in the sliding groove 604, the baffle 606 is arranged at one side of the outer knob 603, the limiting block 605 is arranged at one side of the inner part of the sliding groove 604, the fixing ring 602 is fixedly connected to the outer part of one side of the sliding groove 604, and the sealing cover 601 is arranged at the outer part of one side of the fixing ring 602;

the diameter of the baffle 606 is larger than that between two ends of the limiting block 605, the outer knob 603 and the sliding groove 604 form a sliding connection, and the sealing cover 601 and the fixing ring 602 are fixedly connected through threads.

Specifically, as shown in fig. 1 and 3, when the electric screwdriver is not powered and cannot work, the sealing cover 601 is unscrewed, and then the outer knob 603 is pulled out, so that the screw can be manually screwed into an object to be fixed through the outer knob 603, and the use requirement can be met;

example 3: the structure 7 convenient to disassemble and assemble is composed of a connecting groove 701, a connecting block 702, a jack 703, an inserting rod 704, a clamping block 705 and a clamping groove 706, the connecting groove 701 is fixedly connected to the top end of the fixed seat 1, the connecting block 702 is fixedly connected to the bottom end of the tool bit 8, the jacks 703 are arranged in the connecting groove 701 and the connecting block 702, the inserting rod 704 penetrates through the jack 703, the clamping block 705 is fixedly connected to two ends of one side of the inserting rod 704, and the clamping groove 706 is arranged at two ends of one side of the connecting groove 701;

the connecting block 702 is embedded inside the connecting groove 701, and a clamping structure is formed between the clamping block 705 and the clamping groove 706.

Specifically, as shown in fig. 1 and 4, when screws of different specifications need to be fixed, the fixing base 1 of different specifications needs to be replaced, and at this time, the clamping block 705 is pulled out from the inside of the clamping groove 706, so that the insertion rod 704 can be pulled out from the inside of the insertion hole 703, and the fixing base 1 can be separated from the tool bit 8, which is convenient for the detachment and replacement of the fixing base 1, and greatly increases the applicability of the device.

The working principle is as follows: the utility model discloses when using, at first, insert the inside of hexagonal fixed slot 2 with the head of hex bolts, lug 3 gets into the inside of flexible groove 4 completely this moment, and spring 9 contracts, utilizes spring 9's elasticity that resets to make lug 3 with the head top of hex bolts tight, and magnet 5 can also attract the head of screw simultaneously, and the fixed effect that can make the screw like this is better, is difficult to appear coming off, convenient to use, improvement efficiency of construction.

When the electric screwdriver is not powered and cannot work, the sealing cover 601 is unscrewed, and then the outer knob 603 is pulled out, so that the screw can be manually screwed into an object to be fixed through the outer knob 603, and the use requirement can be met.

Finally, when screws of different specifications need to be fixed, the fixing seats 1 of different specifications need to be replaced, the clamping block 705 is pulled out from the inside of the clamping groove 706, so that the inserting rod 704 can be pulled out from the inside of the inserting hole 703, the fixing seats 1 can be separated from the cutter head 8, the fixing seats 1 can be conveniently detached and replaced, and the applicability of the device is greatly increased.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an electric screwdriver screw fixing device, includes fixing base (1) and hexagonal fixed slot (2), its characterized in that: a hexagonal fixing groove (2) is formed in the bottom end of the fixing seat (1), knob retraction structures (6) are arranged on two sides of the inner portion of the fixing seat (1) close to the top end, a tool bit (8) is arranged at the top end of the fixing seat (1), a structure (7) convenient to disassemble and assemble is arranged between the fixing seat (1) and the tool bit (8), and an anti-falling structure is arranged on the inner side wall of the hexagonal fixing groove (2);

the anti-falling structure comprises a telescopic groove (4), wherein the telescopic groove (4) is formed in the inner side wall of the hexagonal fixing groove (2), the spring (9) is fixedly connected to the inner side of the telescopic groove (4), the fixing block (10) is fixedly connected to one end of the spring (9), the protruding block (3) is fixedly connected to one end of the fixing block (10), and the magnet (5) is arranged at the top end of the hexagonal fixing groove (2).

2. The screw fixing device of an electric screwdriver according to claim 1, wherein: the diameter of the convex block (3) is smaller than the width of the telescopic groove (4), and one side of the convex block (3) extends to the inside of the hexagonal fixing groove (2).

3. The screw fixing device of an electric screwdriver according to claim 1, wherein: the knob collecting and releasing structure (6) is composed of a sealing cover (601), a fixing ring (602), an outer knob (603), a sliding groove (604), a limiting block (605) and a baffle (606), wherein the sliding groove (604) is respectively arranged on two sides of the fixing seat (1) close to the inside of the top end position, the outer knob (603) is arranged inside the sliding groove (604), the baffle (606) is arranged on one side of the outer knob (603), the limiting block (605) is arranged on one side of the inside of the sliding groove (604), the fixing ring (602) is fixedly connected to the outside of one side of the sliding groove (604), and the sealing cover (601) is arranged outside of one side of the fixing ring (602).

4. The screw fixing device of an electric screwdriver according to claim 3, wherein: the diameter of the baffle (606) is larger than that between two ends of the limiting block (605), the outer knob (603) and the sliding groove (604) form sliding connection, and the sealing cover (601) and the fixing ring (602) are fixedly connected through threads.

5. The screw fixing device of an electric screwdriver according to claim 1, wherein: convenient to dismouting structure (7) comprise connecting groove (701), connecting block (702), jack (703), inserted bar (704), fixture block (705) and draw-in groove (706), connecting groove (701) fixed connection is on the top of fixing base (1), connecting block (702) fixed connection is in the bottom of tool bit (8), the inside of connecting groove (701) and connecting block (702) all is provided with jack (703), inserted bar (704) has been run through to the inside of jack (703), the equal fixedly connected with fixture block (705) in both ends of one side of inserted bar (704), draw-in groove (706) set up the both ends in connecting groove (701) one side.

6. The screw fixing device of an electric screwdriver as claimed in claim 5, wherein: the connecting block (702) is embedded in the connecting groove (701), and a clamping structure is formed between the clamping block (705) and the clamping groove (706).