CN109244724A - A kind of torsional spring - Google Patents
A kind of torsional spring Download PDFInfo
- Publication number
- CN109244724A CN109244724A CN201811070202.8A CN201811070202A CN109244724A CN 109244724 A CN109244724 A CN 109244724A CN 201811070202 A CN201811070202 A CN 201811070202A CN 109244724 A CN109244724 A CN 109244724A
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- China
- Prior art keywords
- torsional spring
- terminal part
- arm
- starting ends
- ontology
- 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.)
- Pending
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 6
- 239000010959 steel Substances 0.000 claims abstract description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910000677 High-carbon steel Inorganic materials 0.000 claims description 3
- 230000001154 acute effect Effects 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005674 electromagnetic induction Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/33—Contact members made of resilient wire
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Brushes (AREA)
Abstract
A kind of torsional spring, the torsional spring are made of plate steel wire item, including torsional spring ontology and positioned at the starting ends and terminal part of the torsional spring ontology both side ends, the axis of the plate face of the torsional spring ontology, starting ends and terminal part each parallel to the torsional spring ontology；The structure type of the starting ends and the terminal part be one arm curl torsional mode, include arm and vertically with the card section of the arm；Axis direction of the starting ends card section with the terminal part card section along the torsional spring ontology extends in the opposite direction, and the length of the starting ends arm is greater than the length of the terminal part arm.
Description
Technical field
The present invention relates to a kind of springs, and in particular to a kind of torsional spring.
Background technique
The structure design of torsional spring is extremely complex, and currently used torsional spring overall structure includes columned torsional spring ontology and use
In two ends of connection other component and load.The torsion beam form of its end can be according to installation method and mounting condition etc.
It is required that being designed to different forms, specifically according to the structure of end, torsional spring can be divided into outer arm torsionspring, inner wall torsion bullet
Spring, center arm torsionspring place side by side double torsionsprings, straight-arm torsionspring, one arm curl torsionspring or other special shapes.
Torsional spring is that cylindrical steel wire item is bent, and easily torsional deflection is failed, and not only needs to bear and transmit torque, is also needed
Bear certain axial tension, the force unbalance of entire torsional spring, service life is high.
Summary of the invention
In order to solve the above-mentioned technical problem, the present invention has carried out a system on the basis of conventional cylindrical torsionspring
The improvement of column provides one kind and is not easy torsional deflection, is not subjected to axial tension, stress balance, and the torsional spring that the service life is long.
The invention is realized by the following technical scheme:
A kind of torsional spring is made of plate steel wire item, including torsional spring ontology and rising positioned at the torsional spring ontology both side ends
Top portion and terminal part, the axis of the plate face of the torsional spring ontology, starting ends and terminal part each parallel to the torsional spring ontology；
The structure type of the starting ends and the terminal part is one arm curl torsional mode, the card with the arm including arm and vertically
Section；Axis direction of the starting ends card section with the terminal part card section along the torsional spring ontology extends in the opposite direction,
The length of the starting ends arm is greater than the length of the terminal part arm.
As a preferred option, the spring coil of the torsional spring ontology is a circle, and helical angle is 0 degree.
As a preferred option, the angle between the arm of the starting ends and the arm of the terminal part is acute angle.
As a preferred option, conductive preferable metal is plated on the surface of the torsional spring.
As a preferred option, the surface of the torsional spring is coated with copper.
As a preferred option, the starting ends are fixed to the fixing end in its connecting component, and the terminal part is
With the twisting end for thering is the component of twisting demand to be fixedly linked.
As a preferred option, the torsional spring uses in pairs, and the fixing end passes through its connecting component and connects power supply, described
There is the component of twisting demand to be equipped with the component that need to be powered, the connecting terminal of the component that need to be powered is set to the terminal part.
As a preferred option, the torsional spring uses in pairs and relative to the axisymmetrical of the torsional spring ontology.
As a preferred option, the material of the torsional spring is 72A high-carbon steel.
The present invention is relative to existing torsional spring advantage:
1, torsional spring of the present invention is made of plate steel wire item, and the torsional spring ontology, starting ends and terminal part
Plate face enhances the torsion stiffness of the torsional spring in the axial direction thereof each parallel to the axis of the torsional spring ontology, so that institute
Torsional spring is stated when bearing the torque of same size, torsional deflection amount is greatly reduced, and improves the service life of the torsional spring.
2, torsional spring of the present invention, the length of the starting ends arm are greater than the length of the terminal part arm, and described
The power that the connected component of starting ends is born is less than the power that the component being connected with the terminal part is born, when the starting ends
Fixed, when the terminal part twists, the vibration that the component being connected with the starting ends is generated by stress is greatly reduced.
3, torsional spring of the present invention, the spring coil of torsional spring ontology are a circle, and helical angle is 0 degree, in the torsional spring along its torsion
When the axis twisting of spring ontology, the starting ends and the terminal part bear and transmit torque, are almost not subject to axial tension,
Reduce the probability of the torsional spring torsional deflection failure.
4, conductive preferable metal is plated in torsional spring outer surface of the present invention, and the need that can be used as twisting demand are logical
The connection bridge of electrical components and power supply, it is described have a twisting demand need the connecting terminal of energized components to be connected to the terminal part,
So that the connecting terminal relative to it is described have a twisting demand need energized components static, solving twisting demand needs to be powered
The connecting terminal of component easy broken string or the problem of poor contact during twisting.
Figure of description:
Fig. 1 is a kind of a kind of front view schematic diagram of embodiment of torsional spring；
Fig. 2 is a kind of a kind of top view illustration of embodiment of torsional spring；
Fig. 3 is a kind of a kind of perspective view schematic diagram figure of embodiment of torsional spring；
Fig. 4 is the explosive view that torsional spring of the present invention is used for electric toothbrush motor；
Fig. 5 is the front sectional view schematic diagram that torsional spring of the present invention is used for electric toothbrush motor.
Each label in figure are as follows:
1- torsional spring ontology；
2- starting ends, 21- starting ends arm, 22- starting ends card section；
3- terminal part, 31- terminal part arm, 32- terminal part card section；
4- connecting terminal；
5- motor cover；
6- rotor core；
7- collets；
8- coil 8.
Specific embodiment
It as shown in Figs. 1-5, is a kind of first embodiment of torsional spring of the present invention, torsional spring of the present invention is by plate steel wire item
It is made, material is 72A high-carbon steel, and the torsional spring includes torsional spring ontology 1 and positioned at the starting point of 1 both side ends of torsional spring ontology
Portion 2 and terminal part 3, the axis of the plate face of the torsional spring ontology 1, starting ends 2 and terminal part 3 each parallel to the torsional spring ontology
Line；This kind of structure enhances the torsion stiffness of the torsional spring in the axial direction thereof, so that the torsional spring is bearing same size
Torque when, torsional deflection amount is greatly reduced, and improves the service life of the torsional spring.The starting ends 2 and the end
The structure type of end 3 be one arm curl torsional mode, include arm and vertically with the card section of the arm；The starting ends card section
22 extend with the terminal part card section 32 along the axis direction of the torsional spring ontology 1 in the opposite direction, the starting ends arm
21 length is greater than the length of the terminal part arm 31；The component being connected with the starting ends (is illustrated in figure 4 a motor cover
5) power born be less than be connected with the terminal part component (be illustrated in figure 4 one and the rotor core 6 of motor be fixedly linked
Collets 7) power born, when the starting ends are fixed, and the terminal part twists, the portion that is connected with the starting ends
The vibration that part is generated by stress is greatly reduced.
As a preferred option, the spring coil of the torsional spring ontology is a circle, and helical angle is 0 degree, in the torsional spring along its torsion
When the axis twisting of spring ontology, the starting ends and the terminal part bear and transmit torque, are almost not subject to axial tension,
Reduce the probability of the torsional spring torsional deflection failure.As a preferred option, as shown in figure 3,21 He of starting ends arm
Angle between the terminal part arm 31 is acute angle a, on the basis of guaranteeing that the torsional spring has enough torsion stiffness, is obtained enough
Torsion space to be in contact between the starting ends arm 21 and the terminal part arm 31.
As the second embodiment of the present invention, as illustrated in figures 4-5, the difference with above-mentioned first embodiment is, the torsion
Conductive preferable metal is plated on the surface of spring, and what the torsional spring described in this way can serve as twisting demand needs energized components (such as
Fig. 4-5 show one and the coil 8 that winds on the rotor core 6 of motor) connection bridge with power supply, it is described to have twisting demand
The connecting terminal 4 of energized components (being as illustrated in figures 4-5 one and the coil 8 that winds on the rotor core 6 of motor) is needed to be connected to institute
State terminal part 3 so that the connecting terminal 4 relative to it is described have twisting demand need energized components (as illustrated in figures 4-5 for one with
The coil 8 wound on the rotor core 6 of motor) it is static, the connecting terminal 4 for needing energized components for solving twisting demand is being turned round
The problem of dynamic broken string easy in the process or poor contact.In use, specifically, as illustrated in figures 4-5, the torsional spring uses in pairs, packet
The first torsional spring and the second torsional spring are included, starting ends are separately connected the anode and cathode of the power supply, and terminal part is separately connected
The coil 8.
It is an electric toothbrush motor specifically, as illustrated in figures 4-5, including motor casing, stator assembly and rotor assembly；Institute
State motor casing include roof, side wall composition tubular shell and the motor cover 5 that matches with the open end of the shell；Institute
State several magnetic shoes on the inner wall that stator module includes the side wall for being fixed on the shell in motor casing；The rotor assembly packet
It includes the swinging axle positioned at motor casing and in the stator module, the iron core 6 being fixed on the swinging axle and is wrapped in described
Coil 8 on iron core 6；Electric toothbrush motor further includes being fixed on the casing bearing of the housing top wall center and being fixed on
The rear cover bearing of the insulating cover center, the swinging axle are freely put on the casing bearing and the rear cover bearing
It is dynamic；Specifically, the swinging axle is fixedly connected with the inner ring of the casing bearing and rear cover bearing, the casing bearing and rear cover axis
The outer ring held is embedded in the center of the housing top wall Yu the motor cover 5 respectively；Towards the shell in the motor cover 5
The one side in internal portion is equipped with mutually insulated and the equal at least two above-mentioned torsional springs of torque, the terminal part 3 of torsional spring are fixed
In the collets 7, the collets 7 are fixedly connected with the iron core and the swinging axle, and starting ends 2 are fixed on the electricity
Cover 5；The axis of the torsional spring ontology 1 of multiple torsional springs is overlapped with the axis of the swinging axle, the end of multiple torsional springs
Portion 3 is arranged symmetrically relative to the axis centre of the swinging axle, and can be swung with the swing of the swinging axle；It is multiple described
The starting ends 2 of torsional spring are arranged symmetrically also relative to the axis centre of the swinging axle and are fixed on the motor cover 5；Described
The axis of top portion card section 22 and the terminal part card section 32 each parallel to the swinging axle；Two its startings in the torsional spring
End 2 is separately connected the positive and negative anodes of the coil 8 and is individually fixed in the different location of the collets 7, and starting ends are solid
It is scheduled on the motor cover 5 and penetrates the motor cover 5 and connect power supply.The brush for not only eliminating motor is arranged in this kind, will not also
Extra noise is generated because of brush friction, and is reduced costs, and the service life of motor is improved.Simultaneously directly by coil 8
Positive and negative anodes be connected to the swinging ends of two torsional springs, and connecting terminal 4 is swung with the swing of rotor assembly, solves tradition
Coil directly lead out two wire connecting powers, the broken string that generates with the high-frequency swing of rotor assembly or contact are not
The open circuit halting problem of motor caused by good.
As a preferred option, the surface of the torsional spring is coated with copper.
As the third embodiment of the present invention, the difference with above-mentioned first embodiment is, in use, multiple torsional springs
Axisymmetrical relative to the torsional spring ontology 1 uses.
It is an electric toothbrush motor specifically, as illustrated in figures 4-5, including motor casing, stator assembly and rotor assembly；Institute
State motor casing include roof, side wall composition tubular shell and the motor cover 5 that matches with the open end of the shell；Institute
State several magnetic shoes on the inner wall that stator module includes the side wall for being fixed on the shell in motor casing；The rotor assembly packet
It includes the swinging axle positioned at motor casing and in the stator module, the iron core 6 being fixed on the swinging axle and is wrapped in described
Coil 8 on iron core 6；Electric toothbrush motor further includes being fixed on the casing bearing of the housing top wall center and being fixed on
The rear cover bearing of the insulating cover center, the swinging axle are freely put on the casing bearing and the rear cover bearing
It is dynamic；Specifically, the swinging axle is fixedly connected with the inner ring of the casing bearing and rear cover bearing, the casing bearing and rear cover axis
The outer ring held is embedded in the center of the housing top wall Yu the motor cover 5 respectively；Towards the shell in the motor cover 5
The one side in internal portion is equipped with mutually insulated and the equal multiple above-mentioned torsional springs of torque, the terminal part 3 of torsional spring are fixed on institute
Collets 7 are stated, the collets 7 are fixedly connected with the iron core and the swinging axle, and starting ends 2 are fixed on the motor cover
5；The axis of the torsional spring ontology 1 of multiple torsional springs is overlapped with the axis of the swinging axle, 3 phase of terminal part of multiple torsional springs
The axis centre of the swinging axle is arranged symmetrically, and can be swung with the swing of the swinging axle；Multiple torsional springs
Starting ends 2 be arranged symmetrically also relative to the axis centre of the swinging axle and be fixed on the motor cover 5；Each torsion
The torque direction that spring generates is opposite with the swaying direction of the swinging axle.By the way that the axis centre relative to the swinging axle is arranged
The multiple torsional springs being arranged symmetrically, and the torsional spring generates the direction of the torque and the swing of the swinging axle is reversed on the contrary, to control
Power supply processed is intermittent to be powered to coil 8, or gives coil 8 high-frequency pulse current, and swinging axle can be realized in certain model
Interior high-frequency swing is enclosed, the energy has been saved；Specific movement is to be powered to coil, and swinging axle turns under the action of electromagnetic induction
It is dynamic, drive the terminal part of the torsional spring to rotate with it, torsional spring generates the torque opposite with swinging axle direction of rotation, turns round when turning to
When the torque of spring is equal with the level of torque of the swinging axle, the electrical current of the coil 8 becomes 0, at this point, swinging axle is being turned round
It is rotated in the opposite direction under the torque effect of spring, is turned back to original position, completes a period of motion.Multiple torsional springs are opposite
It is arranged symmetrically in the axis centre of the swinging axle, so that the torque of multiple torsional springs uniformly acts on swinging axle, so that
The power acted on entire rotor assembly reaches equilibrium state, so that motor be greatly reduced on the basis of promoting power of motor
The vibration generated by torque imbalance and noise, also improve the service life of motor.
It should be pointed out that specific embodiment described above can make those skilled in the art that this hair be more fully understood
It is bright, but do not limit the invention in any way.Therefore, although this specification referring to drawings and examples to present invention has been
Detailed description, it will be understood by those skilled in the art, however, that still can modify or equivalently replace the present invention,
In short, all do not depart from the technical solution and its change of the spirit and scope of the present invention, should all cover in the invention patent
In protection scope.
Claims (9)
1. a kind of torsional spring, which is characterized in that the torsional spring is made of plate steel wire item, including torsional spring ontology and be located at the torsional spring
The starting ends and terminal part of ontology both side ends, the plate face of the torsional spring ontology, starting ends and terminal part is each parallel to institute
State the axis of torsional spring ontology；The structure type of the starting ends and the terminal part is one arm curl torsional mode, includes arm
With vertical and arm card section；The starting ends card section is with the terminal part card section along the axis direction of the torsional spring ontology
Extend in the opposite direction, the length of the starting ends arm is greater than the length of the terminal part arm.
2. torsional spring as described in claim 1, which is characterized in that the spring coil of the torsional spring ontology is a circle, and helical angle is 0 degree.
3. torsional spring as claimed in claim 3, which is characterized in that between the arm of the starting ends and the arm of the terminal part
Angle is acute angle.
4. the torsional spring as described in one of claim 1-3, which is characterized in that plate conductive preferable gold in the surface of the torsional spring
Belong to.
5. the torsional spring as described in one of one of claim 1-4, which is characterized in that the surface of the torsional spring is coated with copper.
6. torsional spring as described in claim 4 or 5, which is characterized in that the starting ends are fixed in its connecting component
Fixing end, the terminal part are and the twisting end that has the component of twisting demand to be fixedly linked.
7. torsional spring as claimed in claim 6, which is characterized in that the torsional spring uses in pairs, and the fixing end is across its connection
Component connects power supply, and the component for having twisting demand is equipped with the component that need to be powered, the terminals of the component that need to be powered
Son is set to the terminal part.
8. the torsional spring as described in one of claim 1-6, which is characterized in that the torsional spring is in pairs and relative to the torsional spring ontology
Axisymmetrical use.
9. torsional spring as described in one of claim 1-8, which is characterized in that the material of the torsional spring is 72A high-carbon steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811070202.8A CN109244724A (en) | 2018-09-13 | 2018-09-13 | A kind of torsional spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811070202.8A CN109244724A (en) | 2018-09-13 | 2018-09-13 | A kind of torsional spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109244724A true CN109244724A (en) | 2019-01-18 |
Family
ID=65058003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811070202.8A Pending CN109244724A (en) | 2018-09-13 | 2018-09-13 | A kind of torsional spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109244724A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006275265A (en) * | 2005-03-30 | 2006-10-12 | Chuo Spring Co Ltd | Structure with torsion coil spring |
| CN201407305Y (en) * | 2009-05-25 | 2010-02-17 | 烟台金王礼品有限公司 | Torsion spring for orange machine |
| CN201723631U (en) * | 2010-07-28 | 2011-01-26 | 董志刚 | Mobile phone slide rail folded type flat wire torsion spring |
| CN205618585U (en) * | 2016-05-18 | 2016-10-05 | 重庆隆鑫发动机有限公司 | Torsional spring |
| CN209071658U (en) * | 2018-09-13 | 2019-07-05 | 中科（深圳）创新创意科技有限公司 | A kind of torsional spring |
-
2018
- 2018-09-13 CN CN201811070202.8A patent/CN109244724A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006275265A (en) * | 2005-03-30 | 2006-10-12 | Chuo Spring Co Ltd | Structure with torsion coil spring |
| CN201407305Y (en) * | 2009-05-25 | 2010-02-17 | 烟台金王礼品有限公司 | Torsion spring for orange machine |
| CN201723631U (en) * | 2010-07-28 | 2011-01-26 | 董志刚 | Mobile phone slide rail folded type flat wire torsion spring |
| CN205618585U (en) * | 2016-05-18 | 2016-10-05 | 重庆隆鑫发动机有限公司 | Torsional spring |
| CN209071658U (en) * | 2018-09-13 | 2019-07-05 | 中科（深圳）创新创意科技有限公司 | A kind of torsional spring |
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