CN203076642U

CN203076642U - Electric drill

Info

Publication number: CN203076642U
Application number: CN 201220722580
Authority: CN
Inventors: 姚利民; 毛谦云; 方敬伦
Original assignee: KINGTEC INDUSTRIAL Co Ltd
Current assignee: KINGTEC INDUSTRIAL Co Ltd
Priority date: 2012-12-25
Filing date: 2012-12-25
Publication date: 2013-07-24
Anticipated expiration: 2022-12-25

Abstract

The utility model provides an electric drill. The electric drill comprises a drill body, a drill bit and a positioning plate, wherein the positioning plate is connected with a sliding rod in a rotary mode, a goniasmometer is arranged in the connection position of the positioning plate and the sliding rod, the drill body is connected with the sliding rod in a sliding mode, a positioning device is arranged on the sliding rod in a sliding mode, and the drill body stops in the position of the positioning device in the drilling process. The electric drill is capable of controlling drilling depth and accurately controlling the drilling angle, simple in structure, and low in implementation cost.

Description

Electric drill

Technical field

The utility model relates to a kind of electric drill, especially a kind of electric hand drill.

Background technology

Electric drill refers to utilize electricity to do the drilling machine of power.Being the conventional products in the electric tool, also is the electric tool series products that has the call.Electric drill generally is divided into electric hand drill, percussion drill and hammer drill.Usually during handwork, utilize electric hand drill parts are carried out use in the small-sized drilling operation more.But, general manual electric drill operation is by range estimation, boring by rule of thumb, it is very big to cause the hand-guided electric hand drill to draw the depth of nest and size and the difficulty that is consistent of drilling depth, so often occur the phenomenon that the depth of stroke nest and size, drilling depth differ in the work.

Based on the problems referred to above, the license notification number is " CN 202147035 U ", name is called " the hand-held positioning controller that bores ", a kind of electric hand drill is disclosed, comprise that mainly it comprises the connection chuck that is used for fixing electric hand drill, its technical essential is: after the endoporus of connection chuck and electric hand drill neck are equipped, be fixed together with fastening bolt, location-plate is contained in the drill bit end of electric hand drill by the centre pilot borehole jack, make location-plate be fixed on an end of adjusting rod with attachment screw, the other end of adjusting rod is inserted in the adjustment hole that connects chuck, and make adjusting rod along the moving axially of adjustment hole, utilize the adjusting bolt on the adjustment hole sidewall to make adjusting rod and be connected the chuck relative fixed.By regulating the length of adjusting rod, adjust the position of location-plate, accurately control effective impulse stroke of drill bit, determine that promptly drill bit stretches out the length in location-plate centre pilot hole.This mode has following shortcoming: be merely able to get out vertical through hole on the plane of need boring, at some in particular cases, such as need get out the hole of one 45 degree on some plane the time, then can't realize.

Summary of the invention

At the deficiencies in the prior art, the utility model provides a kind of electric drill, in the time of the degree of depth that can realize punching control, the angle of punching is controlled accurately.

The utility model is achieved through the following technical solutions: electric drill, comprise drill body and drill bit, comprise a location-plate, on described location-plate, be rotatably connected to slide bar, location-plate and slide bar junction are provided with angulometer, and described drill body and slide bar are slidingly connected, and slip is provided with positioner on slide bar, during boring, drill body stops in the positioner position.

In the technique scheme, preferred, in the drill bit arranged outside spring housing is arranged.

In the technique scheme, described location-plate is connected by first bolt with slide bar.

In the technique scheme, be provided with pulley in described drill body bilateral symmetry, described slide bar is provided with chute, and described drill body is slidingly connected by the cooperation and the slide bar of pulley and chute.

In the technique scheme, described positioner is a dowel screw, and described dowel screw is arranged in the chute.

The utility model compared with prior art has following beneficial effect: in the time of the degree of depth that can realize punching control, the angle of punching controlled accurately, and simple in structure, implementation cost is lower.

Description of drawings

Fig. 1 is a perspective view of the present utility model.

Fig. 2 is the utility model planar structure schematic diagram.

Fig. 3 is the utility model schematic top plan view.

Fig. 4 is the schematic diagram of the utility model user mode 1

Fig. 5 is the schematic diagram of the utility model user mode 2.

Fig. 6 is the schematic diagram of the utility model user mode 3.

Fig. 7 is the structural representation of the utility model drill body.

The specific embodiment

Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail: referring to Fig. 1 to Fig. 3, electric drill, comprise drill body 1 and drill bit 2, also comprise a location-plate 3, described location-plate 3 is included in the plate body that needs the perforated board face to cooperate, in the middle of plate body, offer through hole, make drill bit 2 can pass through location-plate.And when using, because location-plate needs and need perforated board face (as wall, plank or the like) to cooperate, in order to prevent in the boring overshoot, skew appears in location-plate 3, can frosting be set in location-plate 3 one sides in applyings such as walls, to increase the frictional force at location-plate and wall place, prevent that the position skew from appearring in location-plate in the electric drill boring procedure, influence borehole accuracy.

On described location-plate 3, be rotatably connected to slide bar 4, be marked with graduation mark at described slide bar 4 length direction subscripts, and fixedly install angulometer 5 at described location-plate 3 and slide bar 4 junctions, described angulometer 5 is provided with the angle index label, location-plate 3 is connected by first bolt 8 with slide bar 4, when needing to rotate slide bar 4, only need unscrew first nut 8, when turning to the position of required angle (this position can obtain by the reading that reads on the angulometer 5), tighten first nut 8, make slide bar 4 fix in required angle position.

Be provided with pulley 9 in described drill body bilateral symmetry, described slide bar 4 is provided with chute 40, and described drill body 1 is slidingly connected by the cooperation and the slide bar 4 of pulley 9 and chute 40.And on slide bar 4, slide and be provided with positioner 6, preferably, described positioner 6 is a dowel screw, and described dowel screw is twisted and is located in the chute 40, can unscrew the nut of dowel screw one end, the dowel screw that slides is then fixed in slide bar 4 chutes 40 optional positions.During boring, the pulley 9 on the drill body 1 leans when positioner 6 is the dowel screw position and stops, and so just can regulate the position of dowel screw as required, thus the degree of depth of keyhole.

In drill bit 2 arranged outside spring housing 7 is arranged, in the bit bore process, because bigger vibration takes place in bit head branch, make and grip comparatively inconvenience of drill body with hand, active force when spring housing 7 can effectively absorb the vibration of a part of drill bit is convenient to the gripping of hand, and when drill bit is extracted, the spring housing 7 of compression gives 1 one of drill bodies along the power of extracting direction, is convenient to extracting of drill bit.

Referring to Fig. 7, described drill body 1 comprises handle 73, at an end of described handle 73 battery 72 is housed, and has the motor 75 that drives drill bit in described drill body 1, and described motor 75 comprises output shaft 750.

Also comprise body 78, in described body 78, be full of cooling water, described body 78 is around motor 75 and form the closed-loop path in described drill body 71, body 78 is provided with magnetic drives wheel 74 near inside, described output shaft 750 position, described output shaft 750 is set with permanent magnet 77 near a side of described magnetic drives wheel 74, when electric drill uses, motor output shaft 750 rotates the rotation that drives permanent magnet 77, drive the rotation of magnetic drives wheel 74 by the mode of magnetic transmission, thereby make the cooling water in the body 78 to circulate.

Be provided with the storage tank 76 that is used to store cooling water in the described drill body 1, in described storage tank 76, more cooling water is set, described storage tank 76 and described body 78 are communicated with, so just can have enough cooling waters and absorb the heat that battery produces in the electric drill running, guarantee that the cooling water heat absorption is too much ineffective behind the electric drill long-play.

Described storage tank 76 is provided with through hole 760, drill body 1 can be dismantled corresponding to the housing of through hole 760 positions, on described through hole 760, twist to be provided with and twist cap 761, in the long-time use of electric drill, if need in body 78, increase or change cooling water, only needs dismounting drill body 1 is turned on cap 761 corresponding to the housing of through hole 760 positions, adds or pour out cooling water to get final product in through hole 760.

Below in conjunction with accompanying drawing the course of work of the present utility model is described further and (supposes that we need process one 45 ° inclined hole, and the degree of depth that requires inclined hole is 10mm): see Fig. 4, location-plate 3 is fitted on the metope, unscrew first nut 8, rotate slide bar 4 and be 45 (this angle can be obtained by the scale that reads on the angulometer 5) in location-plate 3, tighten first nut 8 in this position, make slide bar 4 in this fixed-site; See Fig. 5, promote drill body, make drill bit contact in metope, read drill body in the position of slide bar high scale registration a this moment; See Fig. 6, according to registration a, adjust the position of dowel screw, make dowel screw be positioned at slide bar high scale registration a+10mm position and fix that promote drill body this moment, holes on metope, when drill body is positioned at the dowel screw position, then drill bit can't move on, and this moment, the degree of depth of boring was 10mm, extracted drill bit at last and got final product.

Claims

1. electric drill, comprise drill body (1) and drill bit (2), it is characterized in that: comprise a location-plate (3), on described location-plate (3), be rotatably connected to slide bar (4), location-plate (3) and slide bar (4) junction are provided with angulometer (5), and described drill body (1) is slidingly connected with slide bar (4), and are provided with positioner (6) last slip of slide bar (4), during boring, drill body (1) stops in described positioner (6) position.

2. electric drill as claimed in claim 1 is characterized in that: in drill bit (2) arranged outside spring housing (7) is arranged.

3. electric drill as claimed in claim 1 is characterized in that: described location-plate (3) is connected by first bolt (8) with slide bar (4).

4. electric drill as claimed in claim 1, it is characterized in that: be provided with pulley (9) in described drill body bilateral symmetry, described slide bar (4) is provided with chute (40), and described drill body (1) is slidingly connected by the cooperation and the slide bar (4) of pulley (9) and chute (40).

5. electric drill as claimed in claim 4 is characterized in that: described positioner (6) is a dowel screw, and described dowel screw is arranged in the chute (40).