CN209190695U - A kind of electronic device and electric tool - Google Patents
A kind of electronic device and electric tool Download PDFInfo
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- CN209190695U CN209190695U CN201821644326.8U CN201821644326U CN209190695U CN 209190695 U CN209190695 U CN 209190695U CN 201821644326 U CN201821644326 U CN 201821644326U CN 209190695 U CN209190695 U CN 209190695U
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- handle
- variometer
- shell
- electric tool
- electronic device
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Abstract
The utility model is suitable for power tools technology field, and providing a kind of electronic device and electric tool, the electronic device includes: variometer；It is electrically connected with the variometer, according to the controller of the motor speed of electric tool described in the big minor adjustment of the inductance of the variometer, the controller is arranged in the shell of the electric tool；For adjusting the handle of the inductance size of the variometer；It is abutted against with the handle, the return portion for resetting the handle.The utility model ensure that the speed-regulating function of electric tool, and effectively reduce cost.
Description
Technical field
The utility model belongs to power tools technology field more particularly to a kind of electronic device and electric tool.
Background technique
Electric tool is that a kind of hand gripping for for operator operates, and is made with fractional electric motor or electromagnet
For power, the tool of work operations head is driven by transmission mechanism, type is more various, and has easy to carry, operation
Simply, vdiverse in function, can reduce labor intensity, improve the advantages that working efficiency, be widely used in building, house decoration,
The fields such as automobile assembling, engineering machinery, also largely enter in family.
Currently, electric tool usually has speed-regulating function, to meet different duty requirements, speed-regulating function speed-regulating function
It is usually realized by a speed-regulating switch being separately provided, which generallys use electronic circuit or micro-chip processor to change
The methods of series, voltage, electric current or frequency of power transformation machine remove the revolving speed of control motor, so that motor, which can reach higher, to be made
Use performance.Since the speed-regulating switch is usually produced by special producer, part sourcing cost is usually higher, leads to electronic work
The higher cost of tool.
Utility model content
Electronic device provided by the embodiment of the utility model, it is intended to which solve existing electric tool is caused using speed-regulating switch
The problem of higher cost.
The utility model embodiment is achieved in that a kind of electronic device, is used for electric tool, the electric tool packet
The motor for including shell and being arranged in the shell, the electronic device include:
The adjustable variometer of inductance；
It is electrically connected with the variometer, according to electric tool described in the big minor adjustment of the inductance of the variometer
Motor speed controller, the controller is arranged in the shell of the electric tool；
It is abutted against with the variometer, the handle of the inductance size for adjusting the variometer；
It is abutted against with the handle, the return portion for resetting the handle.
Further, the controller includes printed board, and the variometer is fixedly mounted in the printed board.
Further, the variometer includes the fixation induction part fixed inside the shell and the work connecting with handle
Dynamic inductance portion.
Further, described handle one end and the shell are pivotally connected, and the other end is fixedly connected with the variometer
Movable inductance department.
Further, it is provided with the shaft with shell pivot joint on the handle, is provided with torsional spring in the shaft
Constitute return portion.
Further, one end that the handle is fixedly connected with movable inductance department is arranged in the return portion.
Further, the return portion is compressed spring, and it is solid that described compressed spring one end is fixedly connected on the handle
Surely it is connected with one end of movable inductance department, the other end is fixedly connected on the shell of the electric tool.
Further, sliding rail is provided on the shell, the handle is connected with one end of movable inductance department described
Sliding in sliding rail.
Further, one end end face that the handle connects the movable inductance department is arranged in the return portion.
The utility model embodiment additionally provides a kind of electric tool, including shell, the motor being arranged in the shell
And electronic device above-mentioned, the controller are fixed in the shell.
The utility model embodiment is by setting variometer, and is electrically connected with the variometer and can be according to this
The variable inductance amount of variometer adjusts the controller of the motor speed of electric tool, and the shell of electric tool is arranged in
On, for adjusting the handle of variometer inductance, it is connect moreover, being also provided with handle, for generating position after making pressing
The return portion that the handle of shifting resets, when adjusting the operating rate of electric tool, user directly presses handle, and compresses return
Portion can tune up the inductance of variometer, user's release handle, and return portion pushes back handle, can turn variable inductance down
The inductance of device, so that controller can turn according to the motor that the variation inductance of variometer adjusts electric tool
Speed realizes the revolving speed control of electric tool.Compared with prior art, technical solution provided by the embodiment of the utility model, passes through
The speed-regulating switch of higher cost is replaced using lower-cost variometer, can equally guarantee the speed regulation function of electric tool
Can, and effectively reduce cost.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of electronic device provided by the embodiment of the utility model；
Fig. 2 is the structural schematic diagram of another electronic device provided by the embodiment of the utility model.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
The utility model embodiment variometer adjustable by setting inductance, and it is electric with the variometer
Connect and can adjust according to the variable inductance amount of the variometer controller of the motor speed of electric tool, and setting
On the shell of electric tool, for adjusting the handle of variometer inductance, it connect, uses with handle moreover, being also provided with
The return portion that the handle of displacement resets is generated after making pressing, when adjusting the operating rate of electric tool, user is directly pressed
Handle is pressed, and compresses return portion, the inductance of variometer, user's release handle can be tuned up, return portion pushes back handle,
The inductance of variometer can be turned down, so that controller can adjust electricity according to the variation inductance of variometer
The motor speed of power driven tools realizes the revolving speed control of electric tool.Compared with prior art, provided by the embodiment of the utility model
Technical solution replaces the speed-regulating switch of higher cost by using lower-cost variometer, can equally guarantee electricity
The speed-regulating function of power driven tools, and effectively reduce cost.
Embodiment one
As shown in Figure 1 or 2, the utility model embodiment provides a kind of electronic device, is used for electric tool, this is electronic
Tool includes the motor of shell (not shown) and setting inside the shell, which includes variometer 1；With it is variable
Inductor 1 is electrically connected, according to the controller of the motor speed of the big minor adjustment electric tool of the inductance of variometer 1, the control
Device processed is arranged in the shell of electric tool；And abutted against with variometer 1, for adjusting the inductance of variometer 1
Measure the handle 2 of size；It is abutted against with handle 2, the return portion for resetting handle 2.Wherein, controller includes control chip；Return
The other end in portion abuts on electric tool on a fixed component, and there are many assembling forms, it is not limited here.
The electronic device can be applied to electric tool, to adjust the revolving speed of work head, so that electric tool can
Adapt to various operating conditions.Wherein, handle 2 is settable on the shell, can also be fixedly connected with the movable part of variometer 1,
For adjusting the inductance of variometer 1, variometer 1 is electrically connected with the controller, and controller is electrically connected with motor, so that
Controller can change according to the revolving speed of the variation inductance control motor of variometer 1, and electric tool is applicable in
In various operating conditions.
Electronic device provided by the embodiment of the utility model, can be used for electric tool, by setting variometer, and
The motor speed of electric tool is electrically connected and can adjusted according to the variable inductance amount of the variometer with the variometer
Controller, and be arranged on the shell of electric tool, for adjusting the handle of variometer inductance, moreover, also setting
It has set and has been connect with handle, the return portion for resetting the handle for generating displacement after pressing, in the work speed for adjusting electric tool
When spending, user directly presses handle, and compresses return portion, can tune up the inductance of variometer, and user unclamps hand
Handle, return portion push back handle, can turn the inductance of variometer down, so that controller can be according to variometer
Variation inductance adjust electric tool motor speed, realize electric tool revolving speed control.Compared with prior art, this reality
The technical solution provided with new embodiment, replaces the speed regulation of higher cost to open by using lower-cost variometer
It closes, can equally guarantee the speed-regulating function of electric tool, and effectively reduce cost.
Embodiment two
On the basis of example 1, the utility model also provides an alternative embodiment, above-mentioned referring to Fig. 1 or Fig. 2
Controller may include printed board 3, and variometer 1 can be fixedly mounted in the printed board 3.By by variometer
1 is set up directly in the printed board 3 of controller, and variometer 1 is reliably electrically connected with controller, from
And it ensure that controller and the revolving speed of motor controlled according to the alterable inductance of variometer 1；Also, using printing
Plate 3 integrates variometer 1 and other such as resistance, controller, simplifies structure, convenient for assembling.
Embodiment three
On the basis of example 1, the utility model also provides an alternative embodiment, the structure shape of variometer 1
Formula can there are many, as long as may be implemented to change outputting inductance amount under the adjustment effect of handle 2, for example, with reference to Fig. 1 or
Fig. 2, variometer 1 above-mentioned may include the fixation induction part 11 fixed inside the shell and the flexible lamp connecting with handle 2
Sense portion 12, and fix induction part 11 can be arranged in printed board 3 as conducting wire hot-wire coil made of finger, and flexible lamp
Sense portion 12 can be to connect with handle 2 and being plugged in the iron core in coil or magnetic core, with the adjustment effect of handle 2, iron core energy
It is enough to be stretched out in coil or be inserted into movement, to change the magnetic flux size of coil, and then change its inductance, structure letter
It is single, it is easy to accomplish.Certainly, variometer 1 can also be other structures form, for example, its fix induction part 11 equally can be with
For the hot-wire coil being arranged in printed board 3, and movable inductance department 12 can for one be magnetically coupled with the hot-wire coil and with
Another hot-wire coil that handle 2 connects, and another hot-wire coil can be arranged close under the adjustment effect of handle 2
Hot-wire coil or the separate coil in printed board 3, to change the inductance size of the coil.Specifically, variometer 1
Structure type can be depending on specific requirements, herein without limitation.
Example IV
On the basis of embodiment three, the utility model also provides an alternative embodiment, and referring to Fig. 1, handle 2 is to variable
There are many regulative modes of 12 position of movable inductance department of inductor 1, if may be implemented to the position of movable inductance department 12 into
Row is adjusted, to change the inductance in fixed inductance portion, for example, one end of aforementioned handle 2 can be pivotally connected with shell, the other end
It is fixedly connected with the movable inductance department 12 of variometer 1.That is, one end of handle 2 can be rotatablely connected with shell,
And the other end is connect with movable inductance department 12, is realized when 2 opposite shell of handle is rotated, the other end of handle 2
Drive activity inductance department 12 is inserted into or is stretched out in the hot-wire coil being set in printed board 3 in fixed inductance portion
The movement of coil, to realize the change of the hot-wire coil inductance.Wherein, it is being powered for the ease of handle 2 with dynamic iron core
Movement in coil can be arranged bit-avoiding slot on handle 2 or printed board 3, i.e., open up a gap on handle 2 or printed board 3,
The rotation of handle 2 is caused to interfere to avoid printed board 3.
Embodiment five
On the basis of example IV, the utility model also provides an alternative embodiment, referring to Fig. 1, handle 2 above-mentioned
It is specifically as follows with the articulated manner of shell: the shaft 21 with shell pivot joint can be set on handle 2, it can in shaft 21
Return portion above-mentioned is constituted to be provided with torsional spring.I.e. handle 2 can be rotatablely connected by shaft 21 with shell, moreover, being
Guarantee handle 2 can reset after rotation to continue to rotate, and can also be arranged with torsional spring in shaft 21, and torsional spring
One end can be abutted against with 2 inner wall of handle, and the other end can be abutted against with the block being arranged in printed board 3, so that torsional spring
Damping action can be provided relative to the rotation connection of shell for handle 2, thus when pressing handle 2 and making its rotation, handle 2
Overcome the elastic force zone of action dynamic iron core of torsional spring to be inserted into hot-wire coil, and resetted under the elastic reaction of torsional spring, realizes live wire
The variation for enclosing inductance, has the advantages of simple structure and easy realization.
Embodiment six
On the basis of example IV, the utility model also provides an alternative embodiment, and return portion above-mentioned can be with
One end that movable inductance department 12 is connected on handle 2 is set, after release handle, the return portion such as compressed spring of compression, elasticity
It replys, driving handle, to realize the reset function of handle 2.
Embodiment seven
On the basis of embodiment six, the utility model also provides an alternative embodiment, and the return portion can also
For compressed spring, one end of the compressed spring can be fixedly connected on one end that handle 2 is fixedly connected with movable inductance department 12, separately
One end is fixedly connected on the shell of electric tool.It realizes when 2 opposite shell of handle is rotated, one end of handle 2 can
It is compressed it with overcoming the elastic force of the compressed spring, so that iron core is inserted into hot-wire coil, and one end of handle 2 can also press
The elastic force effect of contracting spring is lower to be resetted, so that iron core extracts hot-wire coil, thus realize the variation of winding inductance quantity, and structure letter
It is single, it is easy to accomplish.
Embodiment eight
On the basis of embodiment three, the utility model also provides an alternative embodiment, the company between handle 2 and shell
The mode of connecing is not limited to above-mentioned articulated manner, in the alternative embodiment, referring to fig. 2, sliding rail can be set on shell, and
One end that handle 2 is connected with movable inductance department 12 can be slidably connected with sliding rail, and sliding rail can be linear.Namely
It says, in the optional embodiment, one end of handle 2 can move along a straight line along sliding rail, be driven by the linear motion of handle 2
Hot-wire coil is stretched out in iron core insertion, changes its inductance.Specifically, the sliding rail can be the tubular of setting inside the shell
Structure, and one end of handle 2 can be connect by connecting rod with iron core, and connecting rod can be slidably connected at the tubular knot for constituting sliding rail
In structure, to realize the linear motion of handle 2.Certainly, the structure type of sliding rail can there are many, for example, sliding rail can also be
Linear guide on the shell is set, and the structures such as the sliding block being slidably matched in linear guide can be set in one end of handle 2,
Herein without limitation.
Embodiment nine
On the basis of embodiment eight, the utility model also provides an alternative embodiment, and the return portion can be set
It sets in one end end face of 2 connection activity inductance department 12 of handle, such as one compressed spring is set in movable 12 end face of inductance department and is made
For return portion, movable inductance department 12 uses iron core or magnetic core in this embodiment, when compressed spring elastic recovery, pushes iron core or magnetic
Core, to realize the reset function of handle 2.
Embodiment ten
The utility model embodiment additionally provides a kind of electric tool, including shell, the motor of setting inside the shell, and
Electronic device above-mentioned, controller are fixedly installed inside the shell.Wherein, controller, which may be mounted at, protrudes above shape by side wall of outer shell
At mounting bracket on, can also be fixed on by fastener on side wall of outer shell or on other components of electric tool.
Electric tool provided by the embodiment of the utility model, including electronic device, by be arranged variometer, and with this
Variometer electrical connection simultaneously can be according to the control of the motor speed of the variable inductance amount of variometer adjusting electric tool
Device processed, and be arranged on the shell of electric tool, for adjusting the handle of variometer inductance, moreover, being also provided with
It is connect with handle, the return portion for resetting the handle for generating displacement after pressing, when adjusting the operating rate of electric tool,
User directly presses handle, and compresses return portion, can tune up the inductance of variometer, and user's release handle is returned
Position portion pushes back handle, can turn the inductance of variometer down, so that controller can be according to the change of variometer
Change the motor speed that inductance adjusts electric tool, realizes the revolving speed control of electric tool.Compared with prior art, this is practical new
The technical solution that type embodiment provides, the speed-regulating switch of higher cost is replaced by using lower-cost variometer,
It can equally guarantee the speed-regulating function of electric tool, and effectively reduce cost.
Electronic device and electric tool provided by the embodiment of the utility model illustrate this using above each embodiment
The technical solution of utility model, ensure that controller can according to the alterable inductance of variometer to the revolving speed of motor into
Row control, to realize the speed-regulating function of electric tool, effectively reduces cost, and have the advantages of simple structure and easy realization.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (10)
1. a kind of electronic device, it to be used for electric tool, the electric tool includes shell and the motor that is arranged in the shell,
It is characterized in that, the electronic device includes:
The adjustable variometer of inductance；
It is electrically connected with the variometer, according to the electricity of electric tool described in the big minor adjustment of the inductance of the variometer
The controller of machine revolving speed, the controller are arranged in the shell of the electric tool；
It is abutted against with the variometer, the handle of the inductance size for adjusting the variometer；
It is abutted against with the handle, the return portion for resetting the handle.
2. electronic device as described in claim 1, which is characterized in that
The controller includes printed board, and the variometer is fixedly mounted in the printed board.
3. electronic device as described in claim 1, which is characterized in that
The variometer includes the fixation induction part fixed inside the shell and the movable inductance department connecting with handle.
4. electronic device as claimed in claim 3, which is characterized in that
Described handle one end and the shell are pivotally connected, and the other end is fixedly connected with the movable inductance department of the variometer.
5. electronic device as claimed in claim 4, which is characterized in that
It is provided with the shaft with shell pivot joint on the handle, is provided with torsional spring in the shaft and constitutes return portion.
6. electronic device as claimed in claim 4, which is characterized in that
One end that the handle is fixedly connected with movable inductance department is arranged in the return portion.
7. electronic device as claimed in claim 6, which is characterized in that
The return portion is compressed spring, and described compressed spring one end is fixedly connected on the handle and is fixedly connected with movable inductance
The one end in portion, the other end are fixedly connected on the shell of the electric tool.
8. electronic device as claimed in claim 3, which is characterized in that
Sliding rail is provided on the shell, one end that the handle is connected with movable inductance department is slided in the sliding rail.
9. electronic device as claimed in claim 8, which is characterized in that
One end end face that the handle connects the movable inductance department is arranged in the return portion.
10. a kind of electric tool, which is characterized in that including shell, the motor being arranged in the shell and such as claim
The described in any item electronic devices of 1-9, the controller are fixed in the shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821644326.8U CN209190695U (en) | 2018-10-10 | 2018-10-10 | A kind of electronic device and electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821644326.8U CN209190695U (en) | 2018-10-10 | 2018-10-10 | A kind of electronic device and electric tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209190695U true CN209190695U (en) | 2019-08-02 |
Family
ID=67407665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821644326.8U Active CN209190695U (en) | 2018-10-10 | 2018-10-10 | A kind of electronic device and electric tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209190695U (en) |
-
2018
- 2018-10-10 CN CN201821644326.8U patent/CN209190695U/en active Active
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