CN209478124U - A kind of electric tool - Google Patents
A kind of electric tool Download PDFInfo
- Publication number
- CN209478124U CN209478124U CN201822111121.XU CN201822111121U CN209478124U CN 209478124 U CN209478124 U CN 209478124U CN 201822111121 U CN201822111121 U CN 201822111121U CN 209478124 U CN209478124 U CN 209478124U
- Authority
- CN
- China
- Prior art keywords
- electric tool
- stator
- casing
- locating rack
- motor
- 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.)
- Active
Links
Landscapes
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The utility model relates to a kind of electric tools, it includes: casing, motor and gear-box, motor is installed in casing, the rotor that motor has stator and is installed in stator, it is equipped with motor shaft on rotor, the same side of stator and rotor is connect with a locating rack, and locating rack is connected in one end of gear-box, motor shaft passes through locating rack and extends in gear-box, and the motor shaft is connect away from one end of locating rack with casing.The electric tool of the technical program is of convenient length, is small in size, will not occupy too many space, easy to use and operate and excellent in heat dissipation effect.
Description
Technical field
The utility model relates to field of power tools, specifically be a kind of electric tool.
Background technique
Electric tool is broadly divided into metal cutting electric tool, grinds electric tool, assembling electric tool and railway power supply
Power driven tools.Common electric tool has electric drill, electric grinder, electric wrench and electric screw driver etc., and wherein electric drill is hand-held
One kind of electric tool, it is the most salable product of Power Tools Industries, is widely used in the industries such as building, finishing, furniture, it
It is for the aperture on object or to pierce object using AC power source or dc-battery as the boring bar tool of power.
Current electric drill includes drill bit, casing, motor and gear-box, and motor is connect with gear-box, wherein logical outside motor
Motor cover often is installed, with the extra distance of certain length between motor cover and gear-box, motor shaft is across motor casing extension
To gear-box, while the other end of motor shaft, then not with chassis contact, equally retaining between motor and casing has a Duan Duoyu
Distance results in tool length too long in this way, and volume is larger, not only influences operation when in use but also needs when putting biggish
Space, it is very inconvenient.
Utility model content
For above situation, for the defect for overcoming the above prior art, the purpose of the utility model is to provide a kind of length
Properly, small in size, too many space, easy to use and operate and excellent in heat dissipation effect electric tool will not be occupied.
To achieve the goals above, the technical solution of the utility model is:
A kind of electric tool, it includes: casing, motor and gear-box, and motor is installed in casing, and motor has stator
And it is installed on the rotor in stator, it is equipped with motor shaft on rotor, the same side of stator and rotor connects with a locating rack
It connects, locating rack is connected in one end of gear-box, and motor shaft passes through locating rack and extends in gear-box, and the motor shaft is away from fixed
One end of position frame is connect with casing.
As preferably, locating rack includes the connecting plate, rotating plate and bracket set gradually, is had on bracket several
Along the first positioning hole of its internal perisporium arrangement, positioning bracket is connected on gear-box.
As preferably, the periphery wall of stator is equidistantly placed with several card slots distributed along its length, bracket with
The connecting pin of stator has fixture block corresponding with card slot, and fixture block is connected in card slot.
As preferably, second location hole equal in magnitude with first positioning hole and opposite position is offered on rotating plate.
As preferably, connecting plate is annular in shape, and connecting plate is disposed with and first positioning hole size close to the side of rotating plate
Equal and opposite position positioning pipe, connecting plate and positioning pipe have several fixture blocks for clamping stator to opposite, and should
Fixture block is staggered with positioning pipe.
As preferably, several the first exhaust outlets for air discharging and radiating equidistantly arranged are also provided on bracket.
As preferably, motor shaft both ends are equipped with bearing, and casing includes bearing cap, and offering on bearing cap can be with axis
The through-hole of cooperation is held, bearing is installed in through-hole.
As preferably, the fan blade for heat dissipation is also equipped on motor shaft.
As preferably, casing circumferentially offers several the second exhaust outlets for air discharging and radiating.
Compared with the prior art, the advantages of the utility model are:
(1) stator of motor is connected with rotor by locating rack, and other end motor shaft is connect with casing, and is limited by casing
Position, has effectively shortened the length of electric tool, so that its volume is smaller, it is more convenient to use.
(2) bracket, rotating plate and connecting plate are bolted, and locating rack overall structure is stablized, while having on connecting plate
There is convex block to be clamped in stator, the fixture block on bracket and stator periphery are clamped, so that motor and locating rack are able to maintain relatively surely
It is fixed.
(3) the first exhaust outlet and the second exhaust outlet being offered on bracket and shell, heat is discharged from the first exhaust outlet, and
Outside by the second exhaust outlet dispatch to casing, good heat dissipation effect.
Detailed description of the invention
Fig. 1 is the decomposition texture schematic diagram of the utility model；
Fig. 2 is the locating rack decomposition texture schematic diagram of each component of the utility model；
Fig. 3 is the schematic view of the front view of the utility model.
It is as shown in the figure:
1 casing, 1.1 second exhaust outlets, 2 motors, 2.1 stators, 2.2 rotors, 2.3 motor shafts, 2.4 card slots, 3 gear-boxes, 4
Locating rack, 401 connecting plates, 401a positioning pipe, 401b buckle, 402 rotating plates, 402a second location hole, 403 brackets, 403a first
Location hole, 403b fixture block, the first exhaust outlet of 403c, 5 bearings, 6 bearing caps, 7 fan blades.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
A kind of electric tool, it includes: casing 1, motor 2 and gear-box 3, and motor 2 is installed in casing 1, motor 2
With stator 2.1 and the rotor being installed in stator 2.1 2.2, be equipped with motor shaft 2.3 on rotor 2.2, stator 2.1 with turn
The same side of son 2.2 is detachably connected with a locating rack 4.
Locating rack 4 is then connected on one end of gear-box 3 away from one end of stator 2.1 and rotor 2.2, and motor shaft 2.3 is worn
It crosses locating rack 4 and extends in gear-box, and the motor shaft 2.3 is connect away from one end of locating rack 4 with casing.
Wherein, locating rack 4 includes connecting plate 401, rotating plate 402 and the bracket 403 set gradually.
Specifically, the periphery wall of stator 2.1 is equidistantly placed with several card slots distributed along its length 2.4, card slot 2.4
The contact jaw of the both ends of the surface of perforation stator 2.1, bracket 403 and stator 2.1 has fixture block 403b corresponding with card slot 2.4, card
Block 403b width and 2.4 width of card slot are isometric, and fixture block 403b is connected in card slot 2.4, and motor 2 trembles at runtime can also protect
It holds relatively stable with locating rack 4.
Wherein, there are several first positioning hole 403a along its internal perisporium arrangement, locating rack 4 passes through bracket on bracket 403
403 are connected on gear-box 3.
Wherein, second location hole equal in magnitude with first positioning hole 403a and opposite position is offered on rotating plate 402
402a,
Wherein, connecting plate 401 is annular in shape, and 401 plates of connection are disposed with and first positioning hole 403a close to the side of rotating plate 402
And the inner tube for the positioning pipe 401a, positioning pipe 401a that second location hole 402a is equal in magnitude and position is opposite and connecting plate 401
It is penetrated through close to an end face of motor 2, the opposite face of connecting plate 401 and positioning pipe 401a have several buckles for clamping stator
401b, and buckle 401b and positioning pipe 401a and be staggered.Respectively by second on rotating plate 402 and connecting plate 401 when installation
Location hole 402a, positioning pipe 401a are aligned with first positioning hole 403a, and being screwed by bolt fixes three, and the structure is more
Stablize.
2.3 both ends of motor shaft are equipped with bearing 5, and casing 1 includes bearing cap 6, offer and can match with bearing 5 on bearing cap 6
The through-hole of conjunction, bearing 5 are installed in through-hole, and motor shaft 2.3 is directly connect with bearing cap 6.
Wherein, the fan blade 7 for heat dissipation, the fan blade that motor shaft 2.3 is attached thereto when operating are also equipped on motor shaft 2.3
7 pairs of motors 2 radiate, and prevent motor 2 from operating for a long time and break down because temperature is excessively high.
Preferably, several the first exhaust outlet 403c for air discharging and radiating equidistantly to arrange are also provided on bracket 403, it should
On the end face that first exhaust outlet 403c points of column are connect with bracket 403 with gear-box 3.
Preferably, casing 1 is circumferential to offer several the second exhaust outlets 1.1 for air discharging and radiating, heat is from the first air draft
Mouth discharge 403c, and by achieving the purpose that heat dissipation outside 1.1 dispatch to casing 1 of the second exhaust outlet.
As above, the stator 2.1 of motor 2 and rotor 2.2 are connected by locating rack 4, other end motor shaft 2.3 and casing 1
Connection, and limited by casing 1, the length of electric tool has effectively been shortened, so that its volume is smaller, it is more convenient to use.
The description of the embodiments and the specification only illustrate the principle of the present utility model and most preferred embodiment, is not taking off
Under the premise of from the spirit and scope of the utility model, the utility model also has various changes and improvements, these changes and improvements
It falls within the scope of the claimed invention.
Claims (9)
1. a kind of electric tool, it includes: casing (1), motor (2) and gear-box (3), and the motor (2) is installed on described
In casing (1), the rotor (2.2) that the motor (2) has stator (2.1) and is installed in the stator (2.1), described turn
Motor shaft (2.3) are equipped on sub (2.2), which is characterized in that the same side of the stator (2.1) and the rotor (2.2)
It is connect with a locating rack (4), the locating rack (4) is connected in one end of the gear-box (3), and the motor shaft (2.3) is worn
It crosses the locating rack (4) and extends in the gear-box (3), and the motor shaft (2.3) deviates from the one end of the locating rack (4)
It is connect with the casing (1).
2. a kind of electric tool according to claim 1, which is characterized in that the locating rack (4) includes setting gradually
Connecting plate (401), rotating plate (402) and bracket (403), with several along the of its internal perisporium arrangement on the bracket (403)
A positioning hole (403a), the bracket (403) are connected on the gear-box (3).
3. a kind of electric tool according to claim 2, which is characterized in that the periphery wall of the stator (2.1) is equidistantly arranged
Several card slots distributed along its length (2.4) are furnished with, the bracket (403) and the contact jaw of the stator (2.1) have
The fixture block (403b) that can cooperate with the card slot (2.4), the fixture block (403b) are connected in the card slot (2.4).
4. a kind of electric tool according to claim 3, which is characterized in that offered on the rotating plate (402) with it is described
The second location hole (402a) that first positioning hole (403a) is equal in magnitude and position is opposite.
5. a kind of electric tool according to claim 4, which is characterized in that the connecting plate (401) annularly, the company
Fishplate bar (401) is disposed with and position phase equal in magnitude with the first positioning hole (403a) close to the side of the rotating plate (402)
Pair positioning pipe (401a), one end face of the relatively described positioning pipe (401a) of the connecting plate (401), which has, several is used for clamping
The buckle (401b) of the stator (2.1), and the buckle (401b) is staggered with the positioning pipe (401a).
6. a kind of electric tool according to claim 2, which is characterized in that be also provided on the bracket (403) several
The first exhaust outlet (403c) for air discharging and radiating equidistantly arranged.
7. a kind of electric tool according to claim 1, which is characterized in that motor shaft (2.3) both ends are equipped with axis
It holds (5), the casing (1) includes bearing cap (6), and offering on the bearing cap (6) can be logical with the bearing (5) cooperation
Hole, the bearing (5) are installed in the through-hole.
8. a kind of electric tool according to claim 7, which is characterized in that be also equipped with use on the motor shaft (2.3)
In the fan blade (7) of heat dissipation.
9. a kind of electric tool according to claim 1, which is characterized in that the casing (1) circumferentially offers several use
In the second exhaust outlet (1.1) of air discharging and radiating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822111121.XU CN209478124U (en) | 2018-12-17 | 2018-12-17 | A kind of electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822111121.XU CN209478124U (en) | 2018-12-17 | 2018-12-17 | A kind of electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209478124U true CN209478124U (en) | 2019-10-11 |
Family
ID=68127729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822111121.XU Active CN209478124U (en) | 2018-12-17 | 2018-12-17 | A kind of electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209478124U (en) |
-
2018
- 2018-12-17 CN CN201822111121.XU patent/CN209478124U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2647472B1 (en) | Power tool | |
| US20200230723A1 (en) | Blower for circular saw | |
| EP1613835B1 (en) | Flexible power tool motor pack and method of making the same | |
| CN209478124U (en) | A kind of electric tool | |
| CN206509558U (en) | Walk the power head device of core type lathe | |
| US9296099B2 (en) | Small machine tool | |
| WO2021114897A1 (en) | Electric tool | |
| US5331743A (en) | Tile saw apparatus | |
| CN212721874U (en) | Motor cooling device of dynamometer | |
| CN213548509U (en) | Novel brushless motor structure for pruning machine | |
| JP2002052434A (en) | Tool driving device | |
| CN213402709U (en) | Electric tool motor rotor shaft | |
| CN215147288U (en) | Milling machine structure capable of simultaneously processing multiple workpieces | |
| CN212704843U (en) | Broken tap machine is got to electric spark that radiating effect is good | |
| CN105234905A (en) | Rapid clamping mechanism for saw blade of multifunctional shovel | |
| CN210756988U (en) | AC brushless angle grinder casing | |
| JP3110801U (en) | Double head drilling machine | |
| CN218124496U (en) | Direct-drive motor applied to polishing machine, polishing machine and split type direct-drive motor | |
| CN210909403U (en) | Portable electric grinder | |
| CN206527373U (en) | Engine cylinder of motorcycle process tool frock | |
| CN206839321U (en) | A kind of chamfering tool and equipment | |
| CN216356211U (en) | Automobile parts uses shell structure | |
| CN108015302A (en) | A kind of machine tool chief axis | |
| CN210246512U (en) | Novel motor convenient to be connected with transmission shaft | |
| US11685036B2 (en) | Motor mounting assembly for a power tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |