CN208033727U - A kind of novel electric hand drill - Google Patents
A kind of novel electric hand drill Download PDFInfo
- Publication number
- CN208033727U CN208033727U CN201820039904.9U CN201820039904U CN208033727U CN 208033727 U CN208033727 U CN 208033727U CN 201820039904 U CN201820039904 U CN 201820039904U CN 208033727 U CN208033727 U CN 208033727U
- Authority
- CN
- China
- Prior art keywords
- electric hand
- hand drill
- main body
- drill
- carbon brush
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Drilling And Boring (AREA)
Abstract
The utility model is a kind of novel electric hand drill,Belong to power tool technical field,It includes electric hand drill main body,The front end of the electric hand drill main body is provided with drill-bit installing seat,Thereafter the both sides of end are detachably provided with carbon brush installation lid,It is provided with motor shaft in the electric hand drill main body,The motor axis connection drill-bit installing seat,It is both provided with the carbon brush contacted with motor shaft in each carbon brush installation lid,The carbon brush installation, which covers, is provided with ventilative straight slot,The ventilative straight slot setting covers lower both ends in carbon brush installation,The switch for controlling motor shaft rotation is provided in the electric hand drill main body,Electric hand drill main body is additionally provided with the button for controlling motor shaft positive and negative rotation,It is provided with suspension handle in the electric hand drill the rear end of the main body,The purpose of this utility model is to provide a kind of simple in structure,It is convenient for changing carbon brush,Reduce dust inlet,The novel electric hand drill that can prolong the service life.
Description
Technical field
The utility model belongs to power tool technical field, refers in particular to a kind of novel electric hand drill.
Background technology
It is generally known that present electric hand drill is at work, can be contacted with contactant, and will produce a large amount of dust and
Particle, these substances of generation can influence to construct, and influence maximum or electric hand drill, carbon brush is driven by motor, and in height
Speed operating, a large amount of dust and particle can be drawn into electric hand drill, may result in this way the working performance of electric hand drill with
And efficiency declines, and thus must often replace carbon brush, the mode that common electric hand drill replaces carbon brush is all integrally to tear electric hand drill open
Replacement is opened, i.e. the consuming time influences working efficiency again in this way, and electric hand drill can all reduce its jail in disassembly process each time
Solidity greatly shortens the service life of electric hand drill.
Invention content
The purpose of this utility model is to provide a kind of simple in structure, is convenient for changing carbon brush, reduces dust inlet, Neng Gouyan
The novel electric hand drill of long life.
What the purpose of this utility model was realized in：
The front end of a kind of novel electric hand drill, including electric hand drill main body, the electric hand drill main body is provided with drill-bit installing seat,
Thereafter the both sides of end are detachably provided with carbon brush installation lid, and motor shaft, the motor shaft are provided in the electric hand drill main body
Drill-bit installing seat is connected, the carbon brush contacted with motor shaft, the carbon brush installation lid are both provided in each carbon brush installation lid
On be provided with ventilative straight slot, the ventilative straight slot setting covers lower both ends in carbon brush installation, in the electric hand drill main body
It is provided with the switch for controlling motor shaft rotation, electric hand drill main body is additionally provided with the button for controlling motor shaft positive and negative rotation,
It is provided with suspension handle in the electric hand drill the rear end of the main body.
In a kind of above-mentioned novel electric hand drill, the medial end portions of the electric hand drill main body are provided with heat emission hole.
In a kind of above-mentioned novel electric hand drill, a lateral lower recess of the carbon brush installation lid forms screw thread positioning
Hole forms threaded securing bores corresponding with threaded locating hole in the electric hand drill main body.
In a kind of above-mentioned novel electric hand drill, it is provided with gear set between the drill-bit installing seat and electric hand drill main body,
It is provided with protecting seat on the outside of the gear set, the protecting seat is fixed by screws in drill body.
In a kind of above-mentioned novel electric hand drill, its outer surface of the drill-bit installing seat is provided with longitudinal groove.
In a kind of above-mentioned novel electric hand drill, its outer surface of drill-bit installing seat is covered with rubber lacquer coat.
In a kind of above-mentioned novel electric hand drill, the rubber lacquer coat is transparent.
In a kind of above-mentioned novel electric hand drill, the electric hand drill main body cover is adopted made of plastic.
The utility model is prominent and beneficial compared with prior art to be had the technical effect that：
Its is simple in structure for the utility model, and can simply replace carbon brush, greatly improves working efficiency, also prolongs
The service life of electric hand drill has been grown, while having increased heat emission hole, the heat that motor shaft high speed rotation generates is allowed to be arranged along heat emission hole
Go out, is covered in carbon brush installation and be provided with ventilative straight slot also for allowing motor shaft to radiate.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model；
Fig. 3 is the exploded perspective view of the utility model；
Fig. 4 is partial enlarged view at the A of the utility model.
Meaning represented by figure label：
1- electric hand drill main bodys；2- drill-bit installing seats；3- carbon brush installation lid；4- motor shafts；5- heat emission holes；
6- protecting seats；7- is switched；8- buttons；9- suspension handles；11- gear sets；21- longitudinal grooves；
22- rubber lacquer coats；31- threaded locating holes；32- threaded securing bores；33- breathes freely straight slot.
Specific implementation mode
The utility model is further described with reference to specific embodiment：
As shown in Figs 1-4, the front end of a kind of novel electric hand drill, including electric hand drill main body 1, the electric hand drill main body 1 is set
It is equipped with drill-bit installing seat 2, the both sides of end are detachably provided with carbon brush installation lid 3 thereafter, are provided in the electric hand drill main body 1
Motor shaft 4, the motor shaft 4 connect drill-bit installing seat 2, are both provided in each carbon brush installation lid 3 and are contacted with motor shaft 4
Carbon brush, be provided with ventilative straight slot 33 on carbon brush installation lid 3, the setting of ventilative straight slot 33 installs lid 3 in the carbon brush
Upper and lower ends portion, the switch 7 for controlling the rotation of motor shaft 4 is provided in the electric hand drill main body 1, and electric hand drill main body 1 is also set
It is equipped with the button 8 for controlling 4 positive and negative rotation of motor shaft, suspension handle 9 is provided on 1 rear end of electric hand drill main body, it is above-mentioned
Scheme is to replace carbon brush (in figure not show) for convenience, avoids dismounting electric hand drill, extends its service life, setting it is positive and negative
It is the drill bit dismantled for convenience on electric hand drill to turn button, and the suspension handle 9 of setting is to place electric hand drill for convenience.
In a kind of above-mentioned novel electric hand drill, the both sides of the middle-end of the electric hand drill main body 1 are provided with heat emission hole 5, on
The scheme of stating is to further decrease the temperature generated when electric hand drill work.
In a kind of above-mentioned novel electric hand drill, a lateral lower recess of the carbon brush installation lid 3 forms screw thread positioning
Hole 31, forms threaded securing bores 32 corresponding with threaded locating hole 31 in the electric hand drill main body 1, said program be in order to
Facilitate carbon brush to replace, facilitates the fixation and dismounting of carbon brush installation lid 3.
In a kind of above-mentioned novel electric hand drill, gear set is provided between the drill-bit installing seat 2 and electric hand drill main body 1
11, the gear set of setting is to prevent drill bit caused by the too fast generation high temperature of velocity of rotation is to drill bit to reduce the rotating speed of drill bit
Irreversible damage, 11 outside of the gear set are provided with protecting seat 6, and the protecting seat 6 is fixed by screws in electric drill master
On body 1.
In a kind of above-mentioned novel electric hand drill, its outer surface of the drill-bit installing seat 2 is provided with longitudinal groove 21, above-mentioned
Scheme is when assembling and disassembling drill bit for convenience, to increase the skin-friction force of drill-bit installing seat 2, while also increasing drill-bit installing seat
2 corrosion resistance.
In a kind of above-mentioned novel electric hand drill, its outer surface of drill-bit installing seat 2 is covered with rubber lacquer coat 22, prevents
When assembling and disassembling drill bit, finger is injured.
In a kind of above-mentioned novel electric hand drill, the rubber lacquer coat 22 is transparent, appearance delustring, is had soft
Gloss gives a kind of dim aesthetic feeling of people, in this way design that can improve the overall beautiful effect of electric hand drill.
In a kind of above-mentioned novel electric hand drill, 1 shell of electric hand drill main body is adopted made of plastic, adopts made of plastic
Electric hand drill main body 1, the good insulating of plastics, corrosion-resistant height, hardness is higher, lighter weight, and manufacturing cost is relatively low.
Above-described embodiment is only the preferred embodiment of the utility model, not limits the protection model of the utility model according to this
It encloses, therefore：The equivalence changes that all structures, shape, principle according to the utility model are done, should all be covered by the protection of the utility model
Within the scope of.
Claims (8)
1. a kind of novel electric hand drill, it is characterised in that：Including electric hand drill main body (1), the front end of the electric hand drill main body (1) is set
It is equipped with drill-bit installing seat (2), the both sides of end are detachably provided with carbon brush installation lid (3) thereafter, and the electric hand drill main body (1) is interior
It is provided with motor shaft (4), motor shaft (4) the connection drill-bit installing seat (2), each carbon brush installation lid (3) is interior to be respectively provided with
There is the carbon brush contacted with motor shaft (4), ventilative straight slot (33), the ventilative straight slot are provided on the carbon brush installation lid (3)
(33) setting installs lid (3) upper and lower ends portion in the carbon brush, is provided on the electric hand drill main body (1) for controlling motor shaft
(4) switch (7) rotated, electric hand drill main body (1) are additionally provided with the button (8) for controlling motor shaft (4) positive and negative rotation, the hand
It is provided with suspension handle (9) on drill body (1) rear end.
2. a kind of novel electric hand drill according to claim 1, it is characterised in that：The medial end portions of the electric hand drill main body (1)
It is provided with heat emission hole (5).
3. a kind of novel electric hand drill according to claim 1 or 2, it is characterised in that：The side of the carbon brush installation lid (3)
Threaded locating hole (31) is formed to lower recess, is formed on the electric hand drill main body (1) corresponding with threaded locating hole (31)
Threaded securing bores (32).
4. a kind of novel electric hand drill according to claim 3, it is characterised in that：The drill-bit installing seat (2) and electric hand drill
It is provided with gear set (11) between main body (1), protecting seat (6) is provided on the outside of the gear set (11), the protecting seat (6) is logical
Screw is crossed to be fixed in drill body (1).
5. a kind of novel electric hand drill according to claim 1, it is characterised in that：Described its outer surface of drill-bit installing seat (2)
It is provided with longitudinal groove (21).
6. a kind of novel electric hand drill according to claim 5, it is characterised in that：Drill-bit installing seat (2) its outer surface covers
There is rubber lacquer coat (22).
7. a kind of novel electric hand drill according to claim 6, it is characterised in that：The rubber lacquer coat (22) is transparent.
8. a kind of novel electric hand drill according to claim 1, it is characterised in that：Electric hand drill main body (1) shell uses
Plastics are made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820039904.9U CN208033727U (en) | 2018-01-10 | 2018-01-10 | A kind of novel electric hand drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820039904.9U CN208033727U (en) | 2018-01-10 | 2018-01-10 | A kind of novel electric hand drill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208033727U true CN208033727U (en) | 2018-11-02 |
Family
ID=63956950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820039904.9U Expired - Fee Related CN208033727U (en) | 2018-01-10 | 2018-01-10 | A kind of novel electric hand drill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208033727U (en) |
-
2018
- 2018-01-10 CN CN201820039904.9U patent/CN208033727U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11111930B2 (en) | Ceiling fan blade | |
| CN105710847A (en) | Power tool and power tool accessory member | |
| CN208033727U (en) | A kind of novel electric hand drill | |
| CN202626593U (en) | Control device for overlock machine | |
| CN108480718A (en) | A kind of electric drill of axial flow wind dedusting | |
| CN109483461A (en) | A kind of screwdriver for building | |
| CN206159101U (en) | Connection structure and fan of fan blade and pivot | |
| CN102632945A (en) | Hand warming device for motorcycle | |
| CN209256801U (en) | A kind of integral electric screwdriver of built-in reversing mechanism | |
| CN203846734U (en) | Environment-friendly dust-free notching machine | |
| CN205960889U (en) | Energy -efficient friendship direct current motor | |
| CN207841227U (en) | A kind of electric hammer | |
| CN208138391U (en) | A kind of aircraft power drive mechanism | |
| CN216608896U (en) | Detachable handle of general electric tool | |
| CN209095434U (en) | Hand electric screwdriver | |
| CN203254374U (en) | Pneumatic tool | |
| CN208262000U (en) | A kind of automobile die circular hole chamfer device | |
| CN208914877U (en) | A kind of engraving machine carved applied to Yuanjiang stone carving | |
| CN108981119B (en) | Mechanism device | |
| CN215041776U (en) | Lever transmission type electric lettering pen | |
| CN211232791U (en) | Portable mosaic structure of rotating fan effect lamp | |
| CN209704918U (en) | A kind of flabellum and the electric fan using the flabellum | |
| CN214560612U (en) | Electric tool auxiliary handle mounting tool | |
| CN214817499U (en) | Improved self-dust-absorption type grinding machine | |
| CN208098803U (en) | A kind of crevice cleaning device of steering wheel switch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181102 Termination date: 20200110 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |