CN203738748U - Hand-held electric tool - Google Patents
Hand-held electric tool Download PDFInfo
- Publication number
- CN203738748U CN203738748U CN201420055598.XU CN201420055598U CN203738748U CN 203738748 U CN203738748 U CN 203738748U CN 201420055598 U CN201420055598 U CN 201420055598U CN 203738748 U CN203738748 U CN 203738748U
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- CN
- China
- Prior art keywords
- memory cell
- housing
- held electric
- hand held
- longitudinal axis
- 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
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Abstract
The utility model discloses a hand-held electric tool which comprises a shell, a motor contained in the shell, a motor shaft, a work spindle and an eccentric swing mechanism. The motor shaft is driven by the motor to do rotating motion, and a longitudinal axis is defined by the motor shaft. The work spindle is contained in the shell and can do rotating and reciprocating swing around the axis of the work spindle, and the work spindle is used for mounting a tool connecting device and driving the tool to work. The eccentric swing mechanism is used for transforming the rotating motion of the motor into the rotating reciprocating swing of the work spindle. The hand-held electric tool further comprises at least one storage unit used for providing energy for the motor, the storage unit is obliquely arranged relative to the shell and has the gravity center, and the gravity and the tool connecting device are arranged on the same side of the longitudinal axis.
Description
Technical field
The utility model relates to a kind of power-driven tool, relates in particular to a kind of hand held electric tool.
Background technology
Chinese patent publication No. CN101791794A discloses a kind of hand tools of motorized motions, and the relative housing of its memory cell is obliquely installed, and the center of gravity of memory cell and the instrument on working-spindle of being connected in lay respectively at the both sides of housing longitudinal axis.Memory cell so arranges, and this hand tools is increased in the short transverse size of housing, is unfavorable for carrying out operation in narrow space.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of portable, hand held electric tool of being suitable for operation in narrow space.
The utility model is achieved in that a kind of hand held electric tool, comprises housing; Motor, is housed in described housing; Motor drive shaft, is driven and is rotated by motor, and described motor drive shaft defines a longitudinal axis; Working-spindle, is housed in described housing, can be around himself axis rotation reciprocally swinging, for erecting tools jockey driven tool work; Eccentric swing mechanism, is converted to rotatablely moving of motor drive shaft the rotation reciprocally swinging of working-spindle; Hand held electric tool also comprises that at least one is for providing the memory cell of energy to motor, and the relative housing of described memory cell is obliquely installed, and has the center of gravity that is arranged on longitudinal axis the same side with tool coupling device.
Preferably, described memory cell exceeds 50% part and is arranged on longitudinal axis and homonymy tool coupling device on its volume.
Preferably, observe from the direction of longitudinal axis, described motor is arranged between working-spindle and memory cell.
Preferably, the center of gravity of described memory cell is arranged in the plane strutting by main shaft and longitudinal axis.
Described memory cell has the end face that connects towards housing, described in connect end face and have at least partly smooth part, described part and longitudinal axis surround out the angle between 10 ° to 40 °.Described angle is preferably 20 °.
Described memory cell has the bottom surface relative with connecting end face, and described bottom surface has smooth part at least partly, and described part and longitudinal axis surround out the angle between 10 ° to 40 °.Described angle is preferably 20 °.
Described memory cell is removably connected in described housing.Between described memory cell and housing, be provided for the engagement mechanism of relative memory cell housing locking.Described engagement mechanism further comprises the unlocking knob for memory cell is unlocked from housing.
The axis of described working-spindle and longitudinal axis are angle setting.Preferably, the axis of described working-spindle and longitudinal axis are perpendicular.
Described memory cell does not exceed the height of housing along the direction of the axis of working-spindle along the height of working-spindle axis direction.
The utility model, because motor is arranged between working-spindle and memory cell, makes hand held electric tool have symmetrical Mass Distribution, when operation than the balance that is easier to control tool.The center of gravity of memory cell and jockey are positioned at the same side of longitudinal axis, and the whole height of hand held electric tool diminishes, thereby can better adapt to the operation of small space.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Fig. 1 is the schematic perspective view of memory cell and housing released state in detailed description of the invention.
Fig. 2 is main apparent direction partial schematic sectional view when memory cell is connected in housing in detailed description of the invention.
Wherein:
10 1 Multi Role Aircraft 11 1 electrical socket 12 1 housing 14 1 host cavities
15 1 motor 16 1 motor drive shaft 17 1 eccentric shaft 17a-ball bearings
18 1 working-spindle 19 1 jockey 20 1 instrument 22 1 spring bearings
24 1 pull-fork assembly 26 1 draw-in groove 30 1 memory cell 32 a junction
34 1 main part 36 1 stopper 38 1 unlocking knob 42 1 main shaft bearings
44 1 main shaft bearing X mono-longitudinal axis Y mono-main shaft Z mono-memory cell longitudinal axis
α mono-angle beta one angle γ mono-angle G mono-memory cell center of gravity
Detailed description of the invention
Shown in Fig. 1, Fig. 2, the hand held electric tool that the utility model comes out with is a kind of Multi Role Aircraft 10, and this Multi Role Aircraft 10 comprises housing 12 and is removably connected in the energy storage unit 30 of housing.This memory cell 30 can power brick form exist, such as electric power storage battery.
Housing 10 extends and has a longitudinal axis X along longitudinally, the outer setting of housing 10 one end has jockey 19, for connecting replaceably dissimilar instrument 20, to carry out different functions, for example cut, grinding, dragsaw etc., the instrument adopting in present embodiment is a kind of triangle sanding head for grinding; The relative jockey 19 of memory cell 30 is arranged at the other end of housing 12.
On housing 12, be provided with the host cavity 14 for receiving at least part of memory cell 30, in host cavity 14, be fixedly provided with electrical socket 11, in the time that memory cell 30 is connected in housing 12 and the interior electrical connector (not shown) of memory cell 30 set up and be electrically connected.Memory cell 30 comprises the connecting portion 32 towards housing 12, and is positioned at the main part 34 of connecting portion one side, and connecting portion 32 has smooth part at least partly, can be used as and connects end face in sliding insertion housing host cavity 14.Between memory cell 30 and housing 12, be provided for the engagement mechanism that relative memory cell 30 housing 12 is locked, engagement mechanism comprises the unlocking knob 38 that memory cell 30 is unlocked from housing 12.Engagement mechanism comprises and is arranged at the stopper 36 of connecting portion 32, the elastic component (not shown) of support card stop member 36, and is arranged at the draw-in groove 26 of housing 12 host cavities 14; Unlocking knob 38 is arranged at one end away from connecting portion 32 of main part 34, and unlocking knob 38 arranges with stopper 36 interlocks, for the memory cell 30 that is fixed on housing 12 is unlocked from housing 12.
Shown in Fig. 2, in the time that memory cell 30 is connected in housing 12, stopper 36 automatically resets under the supporting role of its elastic component, and engages and connect with the draw-in groove 26 that is arranged at housing 12 host cavities 14, and memory cell 30 is locked on housing 12.When needs by memory cell 30 when housing 12 is dismantled, only need capable of being unlocked by pressing button 38 to make it drive stopper 36 accordingly to move to the direction of leaving draw-in groove 26, thereby the locking of engaging of disengaging and draw-in groove 26 makes memory cell 30 remove from housing 12.
The main part 34 of memory cell 30 has a longitudinal axis Z, in the time that memory cell 30 is connected in housing 12, the relative housing 12 of memory cell 30 is obliquely installed, that is to say, the longitudinal axis X of the relative housing of longitudinal axis Z of memory cell 30 tilts, between two axial lines, have an angle γ who is less than 90 degree, the angle γ scope in present embodiment is between 10 ° to 40 °, and angle γ preferably adopts 20 degree.
In housing 12, be provided with motor 15, motor 15 has can be around the motor drive shaft 16 of its axis rotation, and motor drive shaft 16 is bearing in housing 12 by means of spring bearing 22.In present embodiment, the longitudinal axis of motor drive shaft 16 and housing 12 longitudinal axis X coincide, and certainly also can be parallel to each other or be angle setting.
Be provided with working-spindle 18 in the end of housing 12, working-spindle 18 is bearing in housing 12 by means of main shaft bearing 44 by means of main shaft bearing 42 and in lower region thereof in region at an upper portion thereof.Instrument 20 is connected to by means of retaining element (not shown) on the jockey 19 in the lower area of working-spindle 18.This connection can be coordinate or realize with other the type that is applicable to transmitting torque and mode with power cooperation, profile.
Between motor drive shaft 16 and working-spindle 18, be provided with eccentric swing mechanism, by this eccentric swing mechanism, rotatablely moving of motor drive shaft 16 be converted to the rotation reciprocally swinging of working-spindle 18.Eccentric swing mechanism comprises being arranged on motor drive shaft 16 end faces eccentric shaft 17, be sheathed on the ball bearing 17a on eccentric shaft 17, and be connected to the pull-fork assembly 24 of ball bearing 17a and working-spindle 18, and pull-fork assembly 24 one end and ball bearing 17a connect, and the other end and working-spindle 18 connect.In the time that motor 15 drives rotation, motor drive shaft 16 drives eccentric shaft 17 and ball bearing 17a to do eccentric rotary motion.By the transmission of pull-fork assembly 24, make working-spindle 18 around its main shaft Y crankmotion within the scope of certain angle, that is to say, working-spindle 18 is around the main shaft Y vibration arranging at angle with longitudinal axis X; The moving instrument 20 that is fixed on jockey 19 that makes of vibration of working-spindle 18 produces corresponding vibration execution work.In present embodiment, main shaft Y is vertical with longitudinal axis X to be arranged; Also can understand like this, longitudinal axis X and main shaft Y can form the angle that another is different from 90 degree.
In the time that memory cell 30 is connected in housing 12, to observe from the direction of longitudinal axis X, motor 15 is arranged between working-spindle 18 and memory cell 30.The center of gravity G of memory cell 30 drops on the same side that is positioned at longitudinal axis X with jockey 19; Correspondingly, 50% the volume of exceeding of memory cell 30 is positioned at longitudinal axis and homonymy tool coupling device; And the center of gravity of memory cell 30 is arranged in the plane strutting by main shaft Y and longitudinal axis X.Memory cell 30 does not exceed the height of housing 12 along the direction of the axis of working-spindle Y along the height of working-spindle axis Y-direction.Memory cell 30 so arranges, and from this Multi Role Aircraft 10 is being diminished along the whole height Y direction, is more suitable in the requirement to instrument flexibility to small space.
The housing parts of motor 15 positions is normally as when operation grip position, and operator can carry out suitable adjustment according to actual needs, thereby has further improved ergonomics, guarantees simple operations.Memory cell 30 smooth connects end face and the angled α scope of longitudinal axis X-shaped between 10 ° to 40 °; In present embodiment, what preferably adopt is that angle [alpha] is 20 degree.Memory cell 30 has the bottom surface that be positioned at main part 34 relative with connecting end face, and bottom surface has smooth part at least partly, and the angle beta that smooth part and longitudinal axis form goes out between 10 ° to 40 °; In present embodiment, what preferably adopt is that angle beta is 20 degree.Angle [alpha] in present embodiment is identical with β, γ, but can be understood as, and angle [alpha], β, γ can be different.Memory cell 30 so arranges, and makes the weight of memory cell 30 and the weight of shell end and instrument be distributed in equably the two ends of handle, that is to say, Multi Role Aircraft 10 has symmetrical Mass Distribution, when operation than the balance that is easier to control tool.
As previously mentioned, Multi Role Aircraft of the present utility model uses with various form and method, is characterized in having higher flexibility.This use is multidirectional, vertically, overhead goes up or in the use of space medium dip as on the ground flatly, on wall.For this reason, user must be able to occupy the various grip locations on electric tool.Thus, working-spindle, motor and memory cell are arranged and are proved to be favourable along longitudinal axis.The utility model provides a kind of set-up mode of memory cell of better adaptation small space.
In scope of the present utility model, " center of gravity " is understood to the center of object about gravity.Clearly should be mentioned that, meaning of the present utility model is that center of gravity just matches with mass centre.Although inventor has done more detailed elaboration and has enumerated the technical solution of the utility model, be to be understood that, to those skilled in the art, above-mentioned embodiment is modified and/or flexible or to adopt the replacement scheme being equal to be obvious, all can not depart from the essence of the utility model spirit, the term occurring in the utility model, for the elaboration to technical solutions of the utility model and understanding, can not form restriction of the present utility model.
Claims (14)
1. a hand held electric tool, comprising:
Housing;
Motor, is housed in described housing;
Motor drive shaft, is driven and is rotated by motor, and described motor drive shaft defines a longitudinal axis;
Working-spindle, is housed in described housing, can be around himself axis rotation reciprocally swinging, for erecting tools jockey driven tool work;
Eccentric swing mechanism, is converted to rotatablely moving of motor drive shaft the rotation reciprocally swinging of working-spindle;
It is characterized in that: described hand held electric tool also comprises that at least one is for providing the memory cell of energy to motor, and the relative housing of described memory cell is obliquely installed, and has the center of gravity that is arranged on longitudinal axis the same side with tool coupling device.
2. hand held electric tool as described in claim 1, is characterized in that: described memory cell exceeds 50% part and is arranged on longitudinal axis and homonymy tool coupling device on its volume.
3. hand held electric tool as described in claim 1, is characterized in that: observe from the direction of longitudinal axis, described motor is arranged between working-spindle and memory cell.
4. according to hand held electric tool in any one of the preceding claims wherein, it is characterized in that: the center of gravity of described memory cell is arranged in the plane strutting by main shaft and longitudinal axis.
5. hand held electric tool as described in claim 1, it is characterized in that: described memory cell has the end face that connects towards housing, the described end face that connects has smooth part at least partly, and described smooth part and longitudinal axis surround out the angle between 10 ° to 40 °.
6. hand held electric tool as claimed in claim 5, is characterized in that: the angle ranging from 20 °.
7. hand held electric tool as claimed in claim 5, it is characterized in that: described memory cell has the bottom surface relative with connecting end face, described bottom surface has smooth part at least partly, and described smooth part and longitudinal axis surround out the angle between 10 ° to 40 °.
8. hand held electric tool as claimed in claim 7, is characterized in that: the angle ranging from 20 °.
9. hand held electric tool as described in claim 1, is characterized in that: described memory cell is removably connected in described housing.
10. the hand held electric tool described in claim 1 or 9, is characterized in that: between described memory cell and housing, be provided for the engagement mechanism of relative memory cell housing locking.
11. hand held electric tools as described in claim 10, described engagement mechanism further comprises the unlocking knob for memory cell is unlocked from housing.
12. hand held electric tools as described in claim 1, is characterized in that: the axis of described working-spindle and longitudinal axis are angle setting.
13. hand held electric tools as described in claim 1, is characterized in that: axis and the longitudinal axis of described working-spindle are perpendicular.
14. hand held electric tools described in claim 1 or 13, is characterized in that: described memory cell does not exceed the height of housing along the direction of the axis of working-spindle along the height of working-spindle axis direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420055598.XU CN203738748U (en) | 2014-01-28 | 2014-01-28 | Hand-held electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420055598.XU CN203738748U (en) | 2014-01-28 | 2014-01-28 | Hand-held electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203738748U true CN203738748U (en) | 2014-07-30 |
Family
ID=51338611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420055598.XU Expired - Fee Related CN203738748U (en) | 2014-01-28 | 2014-01-28 | Hand-held electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203738748U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110039420A (en) * | 2018-01-15 | 2019-07-23 | 苏州宝时得电动工具有限公司 | Milling tools, milling tools bottom deck assembly method for dismounting and installation method |
-
2014
- 2014-01-28 CN CN201420055598.XU patent/CN203738748U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110039420A (en) * | 2018-01-15 | 2019-07-23 | 苏州宝时得电动工具有限公司 | Milling tools, milling tools bottom deck assembly method for dismounting and installation method |
| CN110039420B (en) * | 2018-01-15 | 2024-04-09 | 苏州宝时得电动工具有限公司 | Polishing tool, and method for detaching and installing base plate assembly of polishing tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140730 Termination date: 20210128 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |