CN214352085U

CN214352085U - Pistol type electric screwdriver

Info

Publication number: CN214352085U
Application number: CN202120285172.3U
Authority: CN
Inventors: 霍建强; 江啟龙; 文露; 吴惠安
Original assignee: Guangdong Mick Technology Co ltd
Current assignee: Guangdong Mick Technology Co ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-10-08
Anticipated expiration: 2031-02-01

Abstract

The utility model relates to a screwdriver technical field especially relates to a pistol formula electric screwdriver, including the host computer casing, slip lid and base, the inside hollow structure that is of host computer casing, host computer casing lower part and pedestal connection and both formula structures as an organic whole, host computer shells inner wall lateral wall and coupling spring one end fixed connection, the coupling spring other end and the inside roof fixed connection of slip lid, the bottom of slip lid both sides is equipped with the draw runner, the draw runner is connected with the guide way and the guide way sets up on host computer casing lateral wall, the inside top of slip lid still is equipped with touches the key, it can contact with the switching-over device to touch the key, the switching-over device is connected with brushless driver. The utility model discloses pistol formula electric screwdriver can realize screw in and the seamless connection who unscrews, also can carry out stepless linear torsion change and adjust, and is still convenient for deposit, carry and use screwdrivers blade, and is functional strong.

Description

Pistol type electric screwdriver

Technical Field

The utility model relates to a screwdriver technical field especially relates to a pistol formula electric screwdriver.

Background

The screwdriver is a tool for screwing a screw to force the screw into place, generally has a thin wedge-shaped head, and can be inserted into a slot or a notch of a screw head to be positioned and screwed, and commonly has two types, namely a straight screwdriver and a cross screwdriver, the main structure of the screwdriver comprises a handle part, a screwdriver rod and a screwdriver head, the screwdriver rod of the traditional screwdriver is generally fixedly connected with the handle part, the screwdriver head and the screwdriver rod are of an integrated structure, and due to the fact that screws have various sizes, the screwdriver needs to be matched with screwdrivers with various specifications.

In view of the above situation, in order to meet the needs of assembling and disassembling different screws, a plurality of combined screwdrivers are available in the market, and the combined screwdrivers are usually detachably connected between a screwdriver head and a screwdriver rod, and the screwdriver head is provided with a plurality of screwdrivers, so that screwdrivers of different specifications are formed by replacing the screwdriver head. The screwdriver has wide application range and strong practicability, but has the following technical problems: 1. if screws on a narrow space or the side wall of a closed cavity are met, the screws need to be screwed in and then screwed out, or the screws need to be screwed out and then screwed in, but the conventional screw driver cannot realize seamless connection between screwing in and screwing out; 2. the mechanical single-mode torsion adjusting scheme is generally adopted, the output of the torsion is realized through a torsion spring, a steel ball and a planetary gear box in the gear box, 1-18 or 1-24 and the like or dry gears are generally set, and stepless linear torsion change adjustment cannot be realized because the gears are intermittent; 3. the screwdriver bit required for replacement needs to be stored in a specific place, is inconvenient to store, carry and use, and is easy to lose if the replaced screwdriver bit or screwdriver rod is not properly stored.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a pistol formula electric screwdriver mainly solves the problem in the background art.

The utility model provides a pistol type electric screwdriver, which comprises a main machine shell, a sliding cover and a base, wherein the interior of the main machine shell is of a hollow structure, the lower part of the main machine shell is connected with the base and is of an integrated structure, the side wall of the inner wall of the main machine shell is fixedly connected with one end of a connecting spring, the other end of the connecting spring is fixedly connected with the top wall of the interior of the sliding cover, the bottoms of the two sides of the sliding cover are provided with sliding strips, the sliding strips are connected with guide grooves, the guide grooves are arranged on the side wall of the main machine shell, the top of the interior of the sliding cover is also provided with a touch key, the touch key can be contacted with a reversing device, the reversing device is connected with a brushless driver, the brushless driver is fixed on a fixed plate, the fixed plate is fixed on the inner wall of the main machine shell, the brushless driver is electrically connected with a conducting plate, the conducting plate is fixed on the fixed plate, and the conducting plate is electrically connected with a pressing switch, the press switch is electrically connected with the battery, the conducting strip is further electrically connected with the brushless motor, the brushless motor is fixed on the inner wall of the main machine shell, and the output shaft of the brushless motor is fixedly connected with the rod shoe, and the rod shoe is in contact with the through hole in the side wall of the main machine shell.

The brushless driver is characterized in that the reversing device comprises a first metal sheet, a second metal sheet and a contact switch, one end of the first metal sheet is fixedly connected with the outer wall of the brushless driver, the other end of the first metal sheet is connected with the second metal sheet, the first metal sheet and the second metal sheet are of an integrated structure and form an L-shaped structure, the second metal sheet can be in contact with the contact switch, and the contact switch is electrically connected with the brushless driver.

The further improvement lies in that a torsion adjusting switch is arranged on the host shell, the torsion adjusting switch rotates to the position of the maximum torsion in the axial direction, pressure is applied to the conducting strip to realize the electric connection with the brushless driver, and the brushless motor is controlled to output electronic torsion.

The improved structure of the spring lock is characterized in that the base side wall is provided with a through groove, a through groove and a button sliding connection, the button is fixedly connected with one end of a lock block, the other end of the lock block is provided with an expansion spring in the dead groove and the dead groove, the expansion spring is in contact with a limiting rod, the limiting rod is arranged on the inner wall of the base, the limiting rod is further in sliding connection with the dead groove, the side wall of the lock block is provided with a fixture block, the fixture block is located at the same end as the dead groove, the fixture block is in contact with the groove of a connecting block, an inclined plane and an inclined plane are arranged at the top of the connecting block right above the groove, the bottom of the connecting block is connected with the spring clamp, and the spring clamp is in contact with the inner wall of the base.

The improved structure of the spring clip is characterized in that a first transverse plate, a second transverse plate and a third transverse plate are arranged on one side of the spring clip, a first storage cavity is formed by the upper portion of the side of the spring clip, the first transverse plate and the second transverse plate, and a second storage cavity is formed by the lower portion of the side of the spring clip, the second transverse plate and the third transverse plate.

The further improvement lies in that not less than 1 screwdriver bit is placed respectively on first storage chamber and the second storage chamber, the screwdriver bit can insert on the pole boots.

The further improvement is that a battery is fixed on the other side of the clip.

The improved structure is characterized in that an illuminating lamp is arranged below the rod boot and fixed on the side wall of the main machine shell, and the illuminating lamp is electrically connected with the press switch.

The further improvement is that the conducting strip is made of copper.

The further improvement is that the materials of the first metal sheet and the second metal sheet comprise copper, iron and stainless steel.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses the cooperation of slip lid, coupling spring, switching-over device and brushless controller enables brushless motor's output shaft and has corotation and reverse effect, realizes the seamless connection of screw in and screw out.

2. The utility model discloses be equipped with torsion regulating switch on the host computer casing, torsion regulating switch clockwise rotation to maximum torque position department in the axial direction, exert pressure to the conducting strip and realize being connected with brushless driver's electricity, control brushless motor output electron torsion realizes stepless linear torsion change regulation.

3. The utility model discloses the pushing down of button, make the locking piece of being connected with the button remove, because dead slot and gag lever post sliding connection on the locking piece, the spring of dead slot receives the extrusion, make the locking piece do spacing removal, and simultaneously, fixture block on the locking piece breaks away from the block state with the recess of connecting block, make connecting block and bullet folder whole break away from and receive the restriction of base inner wall and move down, thereby make the screwdriver head on first storage chamber and the second storage chamber in the bullet folder take out, and when upwards pushing into connecting block and bullet folder, utilize the elastic deformation of spring and make fixture block on the locking piece and the recess of connecting block can resume the block state, and then can accomodate the screwdriver head, convenient to use.

Drawings

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Fig. 1 is a perspective view of the present invention;

fig. 2 is a schematic structural view of the sliding cover of the present invention;

fig. 3 is an explosion diagram of the present invention;

fig. 4 is an enlarged view of a portion a of fig. 3 according to the present invention;

fig. 5 is a schematic connection diagram of the brushless motor of the present invention;

fig. 6 is an exploded view of the second embodiment of the present invention;

fig. 7 is a schematic connection diagram of the connection block of the present invention;

fig. 8 is a schematic view of the connection of the lock block of the present invention.

Wherein: 1. a main housing; 2. a sliding cover; 3. a base; 4. a connecting spring; 5. a slide bar; 6. a guide groove; 7. touching the key; 8. a brushless driver; 9. a conductive sheet; 10. pressing a switch; 11. a battery; 12. a brushless motor; 13. a rod shoe; 14. a first metal sheet; 15. a second metal sheet; 16. a contact switch; 17. a torque force adjusting switch; 18. a through groove; 19. a button; 20. a locking block; 21. an empty groove; 22. a tension spring; 23. a limiting rod; 24. a clamping block; 25. connecting blocks; 26. a bevel; 27. a clip member; 28. a first transverse plate; 29. a second transverse plate; 30. a third transverse plate; 31. an illuminating lamp; 32. a conductive wire; 33. and (4) a groove.

Detailed Description

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, so to speak, as communicating between the two elements. The specific meaning of the above terms in the present invention can be understood in specific cases for those skilled in the art. The technical solution of the present invention will be further explained with reference to the accompanying drawings and examples.

Embodiment 1 pistol type electric screwdriver

Referring to fig. 1 and 2, including host casing 1, sliding cover 2 and base 3, host casing 1 is inside to be hollow structure, host casing 1 lower part is connected and both formula structures as an organic whole with base 3, host casing 1 inner wall lateral wall and connecting spring 4 one end fixed connection, the connecting spring 4 other end and the inside roof fixed connection of sliding cover 2, the bottom of sliding cover 2 both sides is equipped with draw runner 5, draw runner 5 is connected with guide way 6 and guide way 6 sets up on host casing 1 lateral wall. When the sliding cover 2 is pulled, the sliding strips 5 at the bottoms of the two sides of the sliding cover 2 are respectively connected with one guide groove 6 in a sliding manner, so that the sliding cover 2 can move linearly in a limiting manner, and the top wall inside the sliding cover 2 is connected with the side wall inside the host shell 1 through a spring, so that the sliding cover 2 is limited by the self-deformation capacity of the spring, and the sliding cover 2 cannot be separated from the host shell 1.

The top inside the sliding cover 2 is also provided with a touch key 7, the touch key 7 can be contacted with a reversing device, the reversing device is connected with a brushless driver 8, the brushless driver 8 is fixed on a fixed plate, the fixed plate is fixed on the inner wall of the host shell 1, the brushless driver 8 is electrically connected with a conducting strip 9, the conducting strip 9 is fixed on the fixed plate, the conducting strip 9 is electrically connected with a press switch 10, the press switch 10 is electrically connected with a battery 11, the conducting strip 9 is also electrically connected with a brushless motor 12, the brushless motor 12 is fixed on the inner wall of the host shell 1, an output shaft of the brushless motor 12 is fixedly connected with a rod shoe 13, and the rod shoe 13 is contacted with a through hole on the side wall of the host shell 1. The reversing device comprises a first metal sheet 14, a second metal sheet 15 and a contact switch 16, one end of the first metal sheet 14 is fixedly connected with the outer wall of the brushless driver 8, the other end of the first metal sheet 14 is connected with the second metal sheet 15, the first metal sheet 14 and the second metal sheet 15 are of an integrated structure and form an L-shaped structure, the second metal sheet 15 can be in contact with the contact switch 16, and the contact switch 16 is electrically connected with the brushless driver 8. The conductive sheet 9, the first metal sheet 14 and the second metal sheet 15 are made of copper. The sliding cover moves to move the touch key 7, and along with the movement of the touch key 7, the touch key can contact with the second metal sheet 15, at this time, because the second metal sheet 15 is connected with one end of the first metal sheet 14, the other end of the first metal sheet 14 is connected with the outer wall of the brushless driver 8, and the first metal sheet 14 and the second metal sheet 15 are in an L-shaped structure, the second metal sheet 15 can form a lever structure by taking a "connection point" between the first metal sheet 14 and the second metal sheet 15 as a fixed point, and the second metal sheet 15 can also contact with the contact switch 16, the contact switch 16 can be a contact sensor, the contact switch 16 is electrically connected with the brushless driver 8, the brushless driver 8 is the prior art, when the contact switch 16 is connected with the brushless driver 8, the brushless driver 8 can control the output shaft of the brushless motor 12 to rotate reversely, and software is required to be combined, but the software is not within the scope of the claimed invention and is available to a person skilled in the art based on common general knowledge.

As the utility model discloses a preferred scheme is equipped with torsion regulating switch 17 on the host computer casing 1, and torsion regulating switch 17 clockwise rotation to maximum torque position department in the axial direction exerts pressure to conducting strip 9 and realizes being connected with brushless driver 8's electricity, controls brushless motor 12 output electron torsion. That is to say, the torque adjusting switch 17 is connected with a conductive wire 32, and the conductive wire 32 is in mechanical contact with the conductive sheet 9 to realize electrical connection with the brushless driver 8, so as to control the brushless motor 12 to output an electronic torque.

As an optimized scheme of the utility model, be equipped with logical groove 18 and lead to groove 18 and 19 sliding connection of button on the 3 lateral walls of base,

button

19 and 20 one end fixed connection of locking piece, the locking piece 20 other end is equipped with dead slot 21 and is equipped with expanding spring 22 in the dead slot 21, expanding spring 22 contacts and gag lever post 23 sets up on the inner wall of base 3 with gag lever post 23, gag lever post 23 still with dead slot 21 sliding connection, it is located same end with dead slot 21 to be equipped with fixture block 24 and fixture block 24 on the 20 lateral walls of locking piece, fixture block 24 contacts with the recess 33 of connecting block 25, be equipped with inclined plane 26 and inclined plane 26 directly over the recess 33 and set up in the top of connecting block 25, the bottom of connecting block 25 is connected and bullet folder 27 contacts with the 3 inner walls of base. The first transverse plate 28, the second transverse plate 29 and the third transverse plate 30 are arranged on one side of the clip member 27, a first storage cavity is formed by the upper portion of the side of the clip member 27, the first transverse plate 28 and the second transverse plate 29, and a second storage cavity is formed by the lower portion of the side of the clip member 27, the second transverse plate 29 and the third transverse plate 30. It is no less than 1 screwdriver bit to have placed respectively on first storage chamber and the second storage chamber, and on screwdriver bit can insert pole boots 13, screwdriver bit included tool bit and cutter arbor, and the tool bit is line structure or cross structure, and the cross sectional shape of cutter arbor and pole boots 13 is the hexagon, can be difficult for deviating from because of skidding when screwdriver bit rotates. The other side of the clip member 27 is fixed with a battery 11, and the battery 11 can be a lithium battery 11.

When the screwdriver is used, the button 19 is pressed by pressing the button 19, the button 19 is fixedly connected with one end of the locking block 20, the empty groove 21 at the other end of the locking block 20 is slidably connected with the limiting rod 23 on the inner wall of the base 3, the limiting rod 23 is contacted with the telescopic spring 22 in the empty groove 21, the telescopic spring 22 is deformed under the action of the locking block 20 by combining the telescopic spring 22, the locking block 20 performs limiting movement, at the moment, the clamping block 24 on the locking block 20 is separated from the contact with the groove 33 of the connecting block 25, namely, the clamping state is realized, so that the connecting block 25 and the clip 27 are separated from the limited state and are acted by the inner wall of the base 3, the connecting block 25 and the clip 27 move downwards to expose the first storage cavity and the second storage cavity, and the screwdriver bit on the first storage cavity or the second storage cavity can be taken out, the screwdriver bit is then inserted inside the rod shoe 13 and into the slot or recess of the screw head, and the push switch 10 is pressed so that the screw head can be screwed in or out.

As an optimized scheme of the utility model, pole boots 13 below is equipped with light 31 and light 31 is fixed in on the host computer casing 1 lateral wall, and light 31 is connected with push switch 10 electricity. When the push switch 10 is electrically connected to the battery 11, the illumination lamp 31 can be operated, and the operation of the illumination lamp 31 is prior art.

The specific implementation process comprises the following steps: in the using process, the button 19 is pressed to enable the elastic clamping piece 27 to pop out of the base 3 and take out a proper screwdriver bit, then the elastic clamping piece 27 is pushed in and fixed, the screwdriver bit is inserted into the rod shoe 13, the whole pistol type screwdriver is held, the screwdriver bit is inserted into a slot or a notch of a screwdriver head, the press switch 10 is pressed to enable the brushless controller to control the brushless motor 12 to work, the brushless motor 12 drives the rod shoe 13 and the screwdriver bit to enable the screwdriver head to be screwed in, when the screwdriver head needs to be screwed out, the sliding cover 2 is pulled to enable the touch key 7 on the top wall inside the sliding cover 2 to be in contact with the second metal sheet 15, the second metal sheet 15 is in contact with the contact switch 16, and the brushless controller controls the output shaft of the brushless motor 12 to rotate reversely, so that the screwing-out is achieved.

In the drawings, the positional relationship is described for illustrative purposes only and is not to be construed as limiting the present patent; it is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A pistol type electric screwdriver is characterized by comprising a main machine shell (1), a sliding cover (2) and a base (3), wherein the interior of the main machine shell (1) is of a hollow structure, the lower portion of the main machine shell (1) is connected with the base (3) and is of an integrated structure, the side wall of the inner wall of the main machine shell (1) is fixedly connected with one end of a connecting spring (4), the other end of the connecting spring (4) is fixedly connected with the top wall of the interior of the sliding cover (2), sliding strips (5) are arranged at the bottoms of two sides of the sliding cover (2), the sliding strips (5) are connected with guide grooves (6), the guide grooves (6) are arranged on the side wall of the main machine shell (1), a touch key (7) is further arranged at the top of the interior of the sliding cover (2), the touch key (7) can be contacted with a reversing device, and the reversing device is connected with a brushless driver (8), brushless driver (8) are fixed in on the fixed plate and the fixed plate is fixed in on host computer casing (1) inner wall, brushless driver (8) are connected and conducting strip (9) are fixed in on the fixed plate with conducting strip (9) electricity, conducting strip (9) are connected with press switch (10) electricity, press switch (10) and be connected with battery (11) electricity, conducting strip (9) still are connected and brushless motor (12) electricity is fixed in on host computer casing (1) inner wall, the output shaft of brushless motor (12) contacts with pole boots (13) fixed connection and pole boots (13) and the through-hole of host computer casing (1) lateral wall.

2. The pistol-type electric screwdriver according to claim 1, wherein the reversing device comprises a first metal sheet (14), a second metal sheet (15) and a contact switch (16), one end of the first metal sheet (14) is fixedly connected with the outer wall of the brushless driver (8), the other end of the first metal sheet (14) is connected with the second metal sheet (15), the first metal sheet (14) and the second metal sheet (15) are of an integrated structure and are of an L-shaped structure, the second metal sheet (15) can be contacted with the contact switch (16), and the contact switch (16) is electrically connected with the brushless driver (8).

3. The pistol-type electric screwdriver according to claim 1, wherein a torque adjustment switch (17) is provided on the main machine housing (1), and the torque adjustment switch (17) rotates to a maximum torque position in the axial direction to apply pressure on the conductive plate (9) to achieve electrical connection with the brushless driver (8) and control the brushless motor (12) to output an electric torque.

4. The pistol-type electric screwdriver according to claim 1, wherein the sidewall of the base (3) is provided with a through groove (18) and the through groove (18) is slidably connected with a button (19), the button (19) is fixedly connected with one end of a lock block (20), the other end of the lock block (20) is provided with a hollow groove (21) and an expansion spring (22) is arranged in the hollow groove (21), the expansion spring (22) is in contact with a limit rod (23) and the limit rod (23) is arranged on the inner wall of the base (3), the limit rod (23) is further slidably connected with the hollow groove (21), the sidewall of the lock block (20) is provided with a clamping block (24) and the hollow groove (21) are located at the same end, the clamping block (24) is in contact with a groove (33) of the connecting block (25), an inclined plane (26) is arranged right above the groove (33) and the inclined plane (26) is arranged at the top of the connecting block (25), the bottom of the connecting block (25) is connected with the clip piece (27), and the clip piece (27) is contacted with the inner wall of the base (3).

5. The pistol-type electric screwdriver according to claim 4, wherein a first transverse plate (28), a second transverse plate (29) and a third transverse plate (30) are arranged on one side of the clip member (27), a first storage cavity is formed by the upper portion of the side of the clip member (27), the first transverse plate (28) and the second transverse plate (29), and a second storage cavity is formed by the lower portion of the side of the clip member (27), the second transverse plate (29) and the third transverse plate (30).

6. Pistol-type electric screwdriver according to claim 5, characterized in that not less than 1 screwdriver bit is placed on each of said first and second storage cavities, said screwdriver bits being insertable on a rod shoe (13).

7. Pistol-type electric screwdriver according to claim 5, characterized in that a battery (11) is fixed on the other side of the clip (27).

8. The pistol-type electric screwdriver according to any one of claims 1 to 7, wherein a lighting lamp (31) is arranged below the rod boot (13), the lighting lamp (31) is fixed on the side wall of the main machine housing (1), and the lighting lamp (31) is electrically connected with the push switch (10).