CN209812177U

CN209812177U - Pistol type electric screwdriver

Info

Publication number: CN209812177U
Application number: CN201920033386.4U
Authority: CN
Inventors: 曾嘉瑾
Original assignee: Shenzhen Science And Technology Co Ltd
Current assignee: Shenzhen Science And Technology Co Ltd
Priority date: 2019-01-09
Filing date: 2019-01-09
Publication date: 2019-12-20
Anticipated expiration: 2029-01-09

Abstract

The utility model relates to a screwdriver technical field just discloses pistol formula electric screwdriver, the reciprocating impact tunnel drilling machine comprises a machine body, the right-hand member fixed mounting of fuselage has the back lid, the left end fixed mounting of fuselage has the protecgulum, the bottom fixed mounting of fuselage has the handle, the right flank fixed mounting of handle has the switch, the bottom electric connection of handle has the charging wire, the inside fixed mounting of fuselage has the slide bar, the slider has been cup jointed in the surface activity of slide bar. This pistol electric screwdriver through the mutual cooperation between slide bar, slider, stopper, gag lever post and the compression spring, when this electric screwdriver tool bit and screw produced huge frictional force, utilizes compression spring's elastic force effect, can effectually offset this frictional force, has avoided the too big and problem of emergence wearing and tearing of pressure that the tool bit received, has guaranteed this electric screwdriver's life to the expense of maintenance has been reduced.

Description

Pistol type electric screwdriver

Technical Field

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

Background

The electric screwdriver is an electric tool for screwing and unscrewing screws, is provided with a mechanism for adjusting and limiting torque, is mainly used for an assembly line, and is one of necessary tools for most production enterprises.

Present electric screwdriver is when using, often tightly support the tool bit earlier and withhold the screw, then it is tight to rotate out or change the screw, but, because the pressure between tool bit and the screw is too big, under the turning force of motor, can produce huge frictional force between tool bit and the screw, long-time back of using, can make the tool bit wearing and tearing, electric screwdriver's life has been shortened, and the maintenance cost has been increased, in addition, current electric screwdriver is when changeing tight screw, need press the screw in the fixed orifices with the hand earlier, support the tool bit again and press and begin to change tight screw on the screw, the operation is complicated, and when the operation is improper, the tool bit of quick rotation can cause unnecessary injury for operator's fixed screw's hand.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a pistol type electric screwdriver, which has the advantages of ensuring the service life of the electric screwdriver and preventing hands of an operator from being injured, solves the problems that when the prior electric screwdriver is used, the screwdriver head is always tightly pressed against the screw, the screw is then turned out or tightened, but, due to the excessive pressure between the bit and the screw, under the rotating force of the motor, huge friction force can be generated between the cutter head and the screw, after long-time use, the tool bit is abraded, the service life of the electric screwdriver is shortened, the maintenance cost is increased, in addition, when the screw is screwed tightly by the existing electric screw driver, the screw needs to be pressed in the fixing hole by hand, then the tool bit is pressed on the screw to start screwing the screw tightly, the operation is complex, when the operation is not proper, the fast rotating cutter head can cause unnecessary injury to the hand of the operator for fixing the screw.

The utility model provides a following technical scheme: the pistol type electric screwdriver comprises a screwdriver body, wherein a rear cover is fixedly arranged at the right end of the screwdriver body, a front cover is fixedly arranged at the left end of the screwdriver body, a handle is fixedly arranged at the bottom of the screwdriver body, a switch is fixedly arranged at the right side surface of the handle, a charging wire is electrically connected at the bottom of the handle, a slide bar is fixedly arranged inside the screwdriver body, a slide block is movably sleeved on the outer surface of the slide bar, a motor is fixedly arranged at the top of the slide block, an output shaft of the motor is fixedly connected with a rotating shaft, a bearing is fixedly connected at the left end of the rotating shaft, the left end of the bearing sequentially penetrates through the screwdriver body and the front cover and extends to the outside of the left side of the front cover, a tool bit fixing part is fixedly sleeved inside the tool bit fixing part, a limiting block positioned at the, the top of gag lever post and the inner wall fixed connection of fuselage, fixed mounting has compression spring between motor and the gag lever post.

Preferably, the left end of the compression spring is fixedly connected with the right side face of the motor, and the right end of the compression spring is fixedly connected with the left side face of the limiting rod.

Preferably, the inside of tool bit mounting has seted up the fixed slot, the diameter size of fixed slot and the diameter size looks adaptation of tool bit right-hand member, the internal surface of fixed slot possesses magnetism, the tool bit possesses magnetism.

Preferably, an index finger baffle ring is fixedly arranged on the outer part of the switch.

Preferably, the outer surface of the handle is provided with anti-slip lines, and the two sides of the handle are provided with bulges.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. this pistol electric screwdriver, there is the slide bar through the inside fixed mounting at the fuselage, the slider has been cup jointed in the surface activity of slide bar, utilize the slide bar, the slider, the stopper, mutually support between gag lever post and the compression spring, when this electric screwdriver tool bit produces huge frictional force with the screw, utilize compression spring's elastic force effect, can effectually offset this frictional force, the problem of the too big emergence wearing and tearing of pressure that has avoided the tool bit to receive, this electric screwdriver's life has been guaranteed, and the expense of maintenance has been reduced.

2. This pistol electric screwdriver through setting the tool bit to the tool bit that possesses magnetism, makes this tool bit can effectually attract the screw, when changeing tight screw, does not need the operator to fix the screw with the hand, when having avoided the operation not, the quick rotatory tool bit can lead to the fact the problem of unnecessary injury for operator's fixed screw's hand, has made things convenient for operator's use on the one hand, and on the other hand has guaranteed operator's safety in utilization.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic view of the present invention in FIG. 1;

FIG. 3 is a schematic structural view of the tool bit of the present invention;

fig. 4 is a schematic structural view of the tool bit fixing member of the present invention.

In the figure: 1. a body; 2. a rear cover; 3. a front cover; 4. a handle; 5. a switch; 6. a charging wire; 7. a slide bar; 8. a slider; 9. a motor; 10. a rotating shaft; 11. a bearing; 12. a cutter head fixing member; 13. a cutter head; 14. a limiting block; 15. a limiting rod; 16. a compression spring; 17. and fixing the grooves.

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.

Referring to fig. 1-4, a pistol type electric screwdriver comprises a screwdriver body 1, a rear cover 2 is fixedly installed at the right end of the screwdriver body 1, a front cover 3 is fixedly installed at the left end of the screwdriver body 1, a handle 4 is fixedly installed at the bottom of the screwdriver body 1, anti-slip patterns are arranged on the outer surface of the handle 4, friction between the hand of an operator and the handle 4 is increased, and slipping during use is prevented, protrusions are arranged on two sides of the handle 4, so that the operator feels comfortable when holding the screwdriver, a switch 5 is fixedly installed on the right side surface of the handle 4, a forefinger baffle ring is fixedly installed on the outer portion of the switch 5, the switch 5 is conveniently buckled by the operator, operation is facilitated, a charging wire 6 is electrically connected to the bottom of the handle 4, a sliding rod 7 is fixedly installed inside the screwdriver body 1, a sliding block 8 is movably sleeved on the outer surface of the sliding rod 7, a motor 9 is, the output shaft of the motor 9 is fixedly connected with a rotating shaft 10, the left end of the rotating shaft 10 is fixedly connected with a bearing 11, the left end of the bearing 11 sequentially penetrates through the machine body 1 and the front cover 3 and extends to the outside of the left side of the front cover 3, and is fixedly connected with a tool bit fixing part 12, a tool bit 13 is fixedly sleeved inside the tool bit fixing part 12, a fixing groove 17 is formed inside the tool bit fixing part 12, the diameter of the fixing groove 17 is matched with that of the right end of the tool bit fixing part 12, a magnetic iron sheet is fixedly arranged on the inner surface of the fixing groove 17, an insulated wire is wound on the tool bit 13, direct current is introduced, the tool bit 13 is taken down after a period of time, the tool bit 13 is made to be magnetic, the tool bit 13 is made to be a tool bit with magnetism, the tool bit can effectively attract screws, the cutter head capable of rotating fast can cause unnecessary injury to the hand of the screw fixed by an operator, on one hand, the use of the operator is facilitated, on the other hand, the use safety of the operator is ensured, the outer surface of the sliding rod 7 is fixedly sleeved with the limiting block 14 positioned on the right side of the sliding block 8, the top of the limiting block 14 is fixedly provided with the limiting rod 15, the top end of the limiting rod 15 is fixedly connected with the inner wall of the machine body 1, the compression spring 16 is fixedly arranged between the motor 9 and the limiting rod 15, the left end of the compression spring 16 is fixedly connected with the right side surface of the motor 9, the right end of the compression spring 16 is fixedly connected with the left side surface of the limiting rod 15, and, can effectually offset this frictional force, avoid the too big problem that takes place wearing and tearing of pressure that the tool bit received, guaranteed this electric screwdriver's life to the expense of maintenance has been reduced.

During the use, the hand is held on handle 4, the forefinger is put on switch 5, when changeing tight screw, put the left end at tool bit mounting 12 with the screw earlier, make tool bit mounting 12 hold the screw, then aim at the screw in the fixed orifices, forefinger lock switch 5, change the screw tightly, when taking off the screw, support the tool bit 13 and press on the screw of treating taking out, lock switch 5, make the motor reversal can take out the screw, the screw of taking out can be inhaled on tool bit 13, it can to take off the screw at last.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Pistol formula electric screwdriver, including fuselage (1), its characterized in that: the multifunctional cleaning machine is characterized in that a rear cover (2) is fixedly mounted at the right end of the machine body (1), a front cover (3) is fixedly mounted at the left end of the machine body (1), a handle (4) is fixedly mounted at the bottom of the machine body (1), a switch (5) is fixedly mounted at the right side face of the handle (4), a charging wire (6) is electrically connected at the bottom of the handle (4), a sliding rod (7) is fixedly mounted at the inside of the machine body (1), a sliding block (8) is sleeved on the outer surface of the sliding rod (7), a motor (9) is fixedly mounted at the top of the sliding block (8), a rotating shaft (10) is fixedly connected with an output shaft of the motor (9), a bearing (11) is fixedly connected at the left end of the rotating shaft (10), the left end of the bearing (11) sequentially penetrates through the machine body (1) and the front cover (3) and extends, the fixed cover in inside of tool bit mounting (12) has connect tool bit (13), the external fixed surface of slide bar (7) has cup jointed stopper (14) that are located slider (8) right side, the top fixed mounting of stopper (14) has gag lever post (15), the top of gag lever post (15) and the inner wall fixed connection of fuselage (1), fixed mounting has compression spring (16) between motor (9) and gag lever post (15).

2. The pistol-type power screwdriver of claim 1, wherein: the left end of the compression spring (16) is fixedly connected with the right side face of the motor (9), and the right end of the compression spring (16) is fixedly connected with the left side face of the limiting rod (15).

3. The pistol-type power screwdriver of claim 1, wherein: the inside of tool bit mounting (12) is seted up fixed slot (17), the diameter size of fixed slot (17) and the diameter size looks adaptation of tool bit (13) right-hand member, the internal surface of fixed slot (17) possesses magnetism, tool bit (13) possesses magnetism.

4. The pistol-type power screwdriver of claim 1, wherein: and an index finger baffle ring is fixedly arranged outside the switch (5).

5. The pistol-type power screwdriver of claim 1, wherein: the outer surface of the handle (4) is provided with anti-skid lines, and the two sides of the handle (4) are provided with bulges.