CN213163197U

CN213163197U - Lithium battery electric hand drill convenient to punch

Info

Publication number: CN213163197U
Application number: CN202021863674.1U
Authority: CN
Inventors: 杨迪新
Original assignee: Chengdu Rongchuangyue Electric Appliance Co ltd
Current assignee: Chengdu Rongchuangyue Electric Appliance Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-05-11
Anticipated expiration: 2030-08-31

Abstract

The utility model provides a lithium battery electric hand drill convenient for punching, which is suitable for the production and application in the technical field of electric hand drills and comprises a shell, wherein the left end of the shell is an open end, a switch is arranged in front of the shell, and the lithium battery electric hand drill convenient for punching also comprises a front handle, a power source cylinder, a drill bit cylinder and a rotating motor; the beneficial effects of the utility model reside in that: when a user holds the front handle, sweat on the hand of the user can permeate into the front handle through the through holes and then is absorbed by the paper towel or the cotton piece wrapped on the plastic shaft, so that the probability of slipping of the user when holding the front handle is reduced, and the practicability is good; can drive after the electronic jar starts and push away the axle and remove left, threaded connection spare just removes left together to drive the ring and rotate, the drill bit can steadily stretch out, and the person of facilitating the use adjusts the length that the drill bit stretches out according to the degree of depth that multiple punched, and it is convenient to punch, has solved present lithium cell electric hand drill, and the practicality is not good and the inconvenient problem of punching.

Description

Lithium battery electric hand drill convenient to punch

Technical Field

The utility model belongs to the technical field of the electric hand drill technique and specifically relates to a lithium cell electric hand drill who conveniently punches is related to.

Background

The electric hand drill is a drilling tool powered by an alternating current power supply or a direct current battery, and is one of hand-held electric tools. The electric hand drill is a product with the largest sales volume in the electric tool industry, is widely applied to the industries of buildings, decorations, universal furniture and the like, is used for drilling holes or penetrating objects on objects, and is also called as an electric hammer in some industries. The tool is used for punching metal materials, wood, plastics and the like.

The existing electric hand drill is generally provided with a front handle, which is mainly convenient for a user to hold during the punching work so as to ensure the stability of two ends of the electric hand drill during the use, but because the position of the front handle is close to the position of a drill bit, the drill bit is not easy to deviate during punching, the user usually exerts more force when holding the front handle, and after a long time, the hand of the user is easy to sweat, so that the hand is easy to slip during punching, and the practicability is poor; simultaneously, along with the difference of the degree of depth of punching, the user often need change the drill bit, and it is inconvenient to punch.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: to the problem that prior art exists, provide a lithium cell electric hand drill that conveniently punches, solved present lithium cell electric hand drill, the practicality is not good and the inconvenient problem of punching.

The to-be-solved technical problem of the utility model adopts following technical scheme to realize: a lithium battery electric hand drill convenient for punching comprises a shell, a front handle, a power supply cylinder, a drill bit cylinder and a rotating motor, wherein the left end of the shell is an open end, and a switch is arranged in front of the shell;

the front handle is fixed on the left side of the bottom of the shell, the interior of the front handle is hollow, a plurality of through holes which are uniformly distributed and communicated with the interior of the front handle are formed in the outer surface of the front handle, a plastic shaft is arranged in the front handle, a bottom cover which is abutted against the bottom of the front handle is welded to the bottom of the plastic shaft, and elastic rings are sleeved at the upper end and the lower end of the plastic shaft;

the power supply cylinder is welded to the top of the shell in a welded mode, a power supply is arranged in the power supply cylinder, and a charging connector electrically connected with the power supply is embedded in the front of the power supply cylinder;

the utility model discloses a drill bit, including drill bit section of thick bamboo, electric cylinder, push shaft left end and threaded connection spare, the drill bit section of thick bamboo inserts in the shell left end, the inside right side of drill bit section of thick bamboo install with power electric connection's electronic jar, just electronic jar and switch electric connection, electronic jar left side is provided with pushes away the axle, just it is provided with threaded connection spare to push away the axle left side, push away axle left end and threaded connection spare right-hand member welding, just it is fixed to push away the axle right-hand member and the power take off end of electronic jar, threaded connection spare left end threaded connection has the drill bit, just the shell left side is stretched out to the drill bit left end.

The rotary motor is located drill bit section of thick bamboo right side, just rotary motor is fixed with the shell, the rotary motor left end is provided with the pivot, the pivot right-hand member is fixed with rotary motor's power end, just the pivot left end is fixed with drill bit section of thick bamboo right-hand member.

Specifically, the inner diameter of the top of the inner wall of the front handle is the same as the diameter of the plastic shaft, and the outer wall of the top of the plastic shaft and the top of the inner wall of the front handle are both provided with the same threads.

Specifically, the diameter of the elastic ring is the same as the inner diameter of the lower portion of the front handle, and the elastic ring above the elastic ring is located below threads arranged on the top of the inner wall of the front handle.

Specifically, both ends all are fixed with a drill bit section of thick bamboo inner wall around wearing the pole, just the ring outer wall contacts with the drill bit outer wall.

Specifically, the drill bit is connected with the push shaft through a threaded connecting piece.

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

when a user holds the front handle, sweat on the hand of the user can permeate into the front handle through the through holes and then is absorbed by the paper towel or the cotton piece wrapped on the plastic shaft, so that the probability of slipping of the user when holding the front handle is reduced, and the practicability is good; the problem that the existing lithium battery electric hand drill is poor in practicability is solved; secondly, can drive after the electronic jar starts and push away the axle and remove left, threaded connection spare just removes left together to drive the ring and rotate, the drill bit can steadily stretch out, and the person of facilitating the use adjusts the length that the drill bit stretches out according to the degree of depth that multiple punched, and it is convenient to punch, has solved present lithium cell electric hand drill, the inconvenient problem of punching.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the front handle and the plastic shaft of the present invention;

FIG. 3 is a schematic front sectional view of the front handle and the plastic shaft of the present invention;

fig. 4 is a schematic front sectional view of the drill bit barrel according to the present invention.

The labels in the figure are: 1-shell, 2-front handle, 3-through hole, 4-bottom cover, 5-plastic shaft, 6-elastic ring, 7-power supply cylinder, 8-charging connector, 9-drill bit cylinder, 10-drill bit, 11-rotating motor, 12-rotating shaft, 13-electric cylinder, 14-pushing shaft, 15-threaded connector, 16-circular ring, 17-penetrating rod and 18-switch.

Detailed Description

The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.

Please refer to fig. 1 to 4, it should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essence, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function and the achievable purpose of the present invention. In addition, the terms "upper", "lower", "left" and "right" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and the relative relationship between the terms and the terms is not to be construed as a scope of the present invention unless otherwise specified.

In order to achieve the purpose, the utility model adopts the following technical scheme that the lithium battery electric hand drill convenient for punching comprises a shell 1, wherein the left end of the shell 1 is an open end, a switch 18 is arranged in front of the shell 1, and the lithium battery electric hand drill further comprises a front handle 2, a power supply cylinder 7, a drill bit cylinder 9 and a rotating motor 11;

the front handle 2 is fixed on the left side of the bottom of the shell 1, the interior of the front handle 2 is hollow, a plurality of through holes 3 which are uniformly distributed are formed in the outer surface of the front handle 2 and communicated with the interior of the front handle, a plastic shaft 5 is arranged in the front handle 2, the inner diameter of the top of the inner wall of the front handle 2 is the same as that of the plastic shaft 5, the outer wall of the top of the plastic shaft 5 and the top of the inner wall of the front handle 2 are both provided with the same threads, the bottom of the plastic shaft 5 is welded with a bottom cover 4 which is abutted against the bottom of the front handle 2, the upper end and the lower end of the plastic shaft 5 are both sleeved with a tension ring 6, the diameter of the tension ring 6 is the same as that of the lower portion of the front handle 2, and the upper;

before the user starts the punching operation, the bottom cover 4 is screwed to rotate the plastic shaft 5, the top of the plastic shaft 5 can be screwed out from the top end of the inner part of the front handle 2, then the plastic shaft 5 is pulled downwards to completely pull out the plastic shaft 5 from the front handle 2, then a paper towel or a cotton piece and the like can be wrapped on the plastic shaft 5 and positioned between the two elastic rings 6, then the two elastic rings 6 are pulled inwards to enable the two ends of the paper towel or the cotton piece wrapped on the plastic shaft 5 to be banded by the elastic rings 6, then the plastic shaft 5 is reinserted into the front handle 2, after the plastic shaft 5 is screwed again, the top end of the plastic shaft 5 is retightened to the top end of the inner wall of the front handle 2, when the user grips the front handle 2, sweat on the hand of the user can permeate into the front handle 2 through the through hole 3 and then be absorbed by the paper towel or the cotton piece wrapped on the plastic shaft 5, thereby reducing the probability of slipping when the user grips the front handle 2, the practicability is better.

The power supply cylinder 7 is welded to the top of the shell 1 in a welding mode, a power supply is arranged in the power supply cylinder 7, and a charging connector 8 electrically connected with the power supply is embedded in the front of the power supply cylinder 7;

the drill bit barrel 9 is inserted into the left end of the shell 1, an electric cylinder 13 electrically connected with a power supply is arranged on the right side inside the drill bit barrel 9, the electric cylinder 13 is electrically connected with a switch 18, a push shaft 14 is arranged at the left side of the electric cylinder 13, and the left side of the push shaft 14 is provided with a threaded connecting piece 15, the left end of the push shaft 14 is welded with the right end of the threaded connecting piece 15, the right end of the push shaft 14 is fixed with the power output end of the electric cylinder 13, the left end of the threaded connecting piece 15 is connected with the drill bit 10 in a threaded manner, the left end of the drill 10 extends out of the left side of the shell 1, the drill 10 is connected with a push shaft 14 through a threaded connecting piece 15, two penetrating rods 17 are symmetrically arranged on the upper side and the lower side of the drill 10, and the penetrating rod 17 is sleeved with a circular ring 16, the front end and the rear end of the penetrating rod 17 are fixed with the inner wall of the drill bit barrel 9, and the outer wall of the circular ring 16 is in contact with the outer wall of the drill bit 10.

The rotating electrical machines 11 are located on the right side of the drill bit barrel 9, the rotating electrical machines 11 are fixed with the shell 1, a rotating shaft 12 is arranged at the left end of the rotating electrical machines 11, the right end of the rotating shaft 12 is fixed with the power end of the rotating electrical machines 11, and the left end of the rotating shaft 12 is fixed with the right end of the drill bit barrel 9.

Secondly, when the degree of depth that needs the user to punch is darker, the user can press switch 18 to start electronic jar 13, electronic jar 13 can drive after the start-up and push away 14 leftwards removals of axle, thereby make threaded connection spare 15 remove left in the lump, thereby it rotates to drive ring 16, drill bit 10 can steadily stretch out, and elongate drill bit 10 and stretch out the left length of shell 1, press switch 18 to close electronic jar 13 after that, drill bit 10 alright be stabilized at the extension point, the person of facilitating the use adjusts the length that drill bit 10 stretched out according to the degree of depth of multiple punching, it is convenient to punch.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The utility model provides a lithium cell electric hand drill that conveniently punches, includes shell (1), shell (1) left end is the open end, just switch (18), its characterized in that are installed to shell (1) the place ahead: the drilling machine also comprises a front handle (2), a power supply cylinder (7), a drill bit cylinder (9) and a rotating motor (11);

the front handle (2) is fixed on the left side of the bottom of the shell (1), the interior of the front handle (2) is hollow, a plurality of through holes (3) which are uniformly distributed and communicated with the interior of the front handle (2) are formed in the outer surface of the front handle (2), a plastic shaft (5) is arranged in the front handle (2), a bottom cover (4) which is abutted against the bottom of the front handle (2) is welded to the bottom of the plastic shaft (5), and elastic rings (6) are sleeved at the upper end and the lower end of the plastic shaft (5);

the power supply cylinder (7) is welded to the top of the shell (1), a power supply is arranged in the power supply cylinder (7), and a charging connector (8) electrically connected with the power supply is embedded in the front of the power supply cylinder (7);

the drill bit barrel (9) is inserted into the left end of the shell (1), an electric cylinder (13) electrically connected with a power supply is installed on the right side inside the drill bit barrel (9), the electric cylinder (13) is electrically connected with a switch (18), a push shaft (14) is arranged on the left side of the electric cylinder (13), a threaded connecting piece (15) is arranged on the left side of the push shaft (14), the left end of the push shaft (14) is welded with the right end of the threaded connecting piece (15), the right end of the push shaft (14) is fixed with the power output end of the electric cylinder (13), a drill bit (10) is in threaded connection with the left end of the threaded connecting piece (15), the left end of the drill bit (10) extends out of the left side of the shell (1), two penetrating rods (17) are symmetrically arranged on the upper side and the lower side of the drill bit (10), and circular rings (16) are sleeved on;

rotating electrical machines (11) are located a drill bit section of thick bamboo (9) right side, just rotating electrical machines (11) are fixed with shell (1), rotating electrical machines (11) left end is provided with pivot (12), pivot (12) right-hand member is fixed with the power end of rotating electrical machines (11), just pivot (12) left end is fixed with a drill bit section of thick bamboo (9) right-hand member.

2. The lithium battery electric hand drill convenient for punching according to claim 1, is characterized in that: the inner diameter of the top of the inner wall of the front handle (2) is the same as the diameter of the plastic shaft (5), and the outer wall of the top of the plastic shaft (5) and the top of the inner wall of the front handle (2) are provided with the same threads.

3. The lithium battery electric hand drill convenient for punching according to claim 2, is characterized in that: the diameter of the elastic ring (6) is the same as the inner diameter of the lower part of the front handle (2), and the elastic ring (6) above the elastic ring is positioned below the threads arranged on the top of the inner wall of the front handle (2).

4. The lithium battery electric hand drill convenient for punching according to claim 1, is characterized in that: both ends all are fixed with drill bit section of thick bamboo (9) inner wall around wearing pole (17), just ring (16) outer wall contacts with drill bit (10) outer wall.

5. The lithium battery electric hand drill convenient for punching according to claim 1, is characterized in that: the drill bit (10) is connected with the push shaft (14) through a threaded connecting piece (15).