CN106224419B - Flat spring and compressor - Google Patents
Flat spring and compressor Download PDFInfo
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- CN106224419B CN106224419B CN201610697204.4A CN201610697204A CN106224419B CN 106224419 B CN106224419 B CN 106224419B CN 201610697204 A CN201610697204 A CN 201610697204A CN 106224419 B CN106224419 B CN 106224419B
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- 239000000758 substrate Substances 0.000 claims abstract description 21
- 238000000465 moulding Methods 0.000 abstract description 5
- 230000007704 transition Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/18—Leaf springs
- F16F1/185—Leaf springs characterised by shape or design of individual leaves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F1/00—Springs
- F16F1/02—Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
- F16F1/18—Leaf springs
- F16F1/26—Attachments or mountings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
Abstract
The present invention provides a kind of flat spring and compressors.The flat spring includes substrate, at least two openings extended in the shape of a spiral are offered on substrate, the part being located between adjacent two openings of substrate forms elastic arm, it is characterised in that, opening includes N number of sequentially connected circular arc pair, and each circular arc is to including Inner arc and external arc；1st~N number of Inner arc is respectively successively using a vertex of basic polygon as the center of circle；The 1~K external arc is respectively successively using a vertex of basic polygon as the center of circle, and K+1~N number of external arc is respectively to deviate the position on vertex as the center of circle, wherein 1<K<N‑1；Wherein, circular arc to, Inner arc and external arc along the direction far from basic polygon by 1 to N number consecutivelies.The present invention can be better achieved the adjusting of the parameters such as and gap wide to the arm of flat spring elastic arm, have low equivalent mass, high rigidity, the characteristic of high natural frequency as a result of the contour line molding mode of above-mentioned elastic arm.
Description
Technical field
The present invention relates to compressor field, more particularly to a kind of flat spring and compressor.
Background technology
Flat spring is a kind of part etched on tablet according to specific line style, is generally used for the machine moved back and forth
In tool.Flat spring support technology is one of key technology of Linearkompressor, and main function is to support linear electric machine mover
Get up, can be moved back and forth along the direction of motion.Relative to traditional cylindrical spring, flat spring has larger radial rigidity,
So that piston will not generate radial displacement due to vibration during the motion, the concentricity avoided between piston and cylinder is inclined
Rub caused excessive wear and noise caused by moving past greatly.Since the axial rigidity of flat spring is firm much smaller than radially
Degree, therefore the piston of Linearkompressor can also freely move back and forth in the cylinder.It on the other hand also can be to straight line
Electric mover carries out stablizing support along flat spring radial direction, ensures that the motor-driven stator air gap of straight-line electric is stablized, and then ensures motor
The stability of performance.
Flat spring of the prior art generally includes linear arm flat spring and swirl arm flat spring, both flat springs are usual
There are equivalent mass it is excessive the shortcomings that, to meet the requirement of the required high rigidity of linear motor and high natural frequency, often
Need the quality of increase part.Therefore, both flat springs due to its own structure limit, it is difficult to meet low equivalent mass,
The requirement of high rigidity and high natural frequency.
The patent of Patent No. CN201420814666.6 discloses a kind of flat spring.As shown in Figure 1, the flat spring includes two
Elastic arm 100 and one is for installing the fixing device 120 of positioning, and two 100 structures of elastic arm are identical, by several to concentric
Circular arc or eccentric arc is tangent forms, this is several, and to isocentric circular arc or eccentric arc, radius gradually increases from inside to outside, and all
The center of circle of the isocentric circular arc or eccentric arc is on same straight line.The initial end of two elastic arms 100 is tangent,
There are one interior mounting holes 101 for junction setting, and two elastic arms 100 are uniformly distributed centered on the interior mounting hole 101, described
Fixing device 120 be equipped with outer mounting hole 110.
But following defect can be brought to the flat spring of Fig. 1 using the molding mode of the elastic arm of above-mentioned flat spring：(1)
The wide gap between elastic arm of arm of the elastic arm of the flat spring can not be carried out according to practical service condition and requirement
Freely convenient adjustment；(2) due to using above-mentioned elastic arm molding mode, two elastic arm intermediate connections set centre bore
Positional structure can generate certain limitation to the adjustment of flat spring overall dimensions, and center-hole diameter at least needs to be less than flat spring
Elastic arm arm is wide so that the overall dimensions of entire flat spring are bigger than normal, can not realize miniaturization；(3) the flat spring center mounting hole
Locate mechanical strength and coefficient safe to use is relatively low, reliability is relatively low；(4) counterpart of the flat spring center mounting hole is easily in
Heart axially bored line circumferential direction rotates, and can not realize the complete degree of freedom constraint along centre bore circumferential direction.
Invention content
The present invention provides a kind of flat spring and compressors, and bullet can not be freely adjusted to solve flat spring of the prior art
The arm of property arm is wide and the problem of gap.
To solve the above problems, as one aspect of the present invention, a kind of flat spring is provided, including substrate, the base
At least two openings extended in the shape of a spiral, the part between adjacent two openings of the substrate are offered on plate
Elastic arm is formed, the opening includes N number of sequentially connected circular arc pair, and each circular arc is to including Inner arc and external arc；
1st~N number of Inner arc is respectively successively using a vertex of basic polygon as the center of circle；The 1~K external arc is respectively successively with institute
A vertex of basic polygon is stated as the center of circle, K+1~N number of external arc respectively to deviate the position on the vertex as the center of circle,
Wherein 1<K<N-1；Wherein, the circular arc to, the Inner arc and the external arc along the side far from the basic polygon
To by 1 to N number consecutivelies.
Preferably, the 1st~N number of Inner arc and central angle corresponding to the 1~K external arc are 360/n degree, wherein, n
Number of edges for the basic polygon.
Preferably, the inner arc radius of the 1st circular arc pair is R (1,1), outer arc radius is R (1,2), and R (1,2)=R
(1,1)+D1, then 1~K the radiuses of the Inner arc and the radius of external arc are：The inner arc radius of m-th of circular arc pair is
R (m, 1)=R (m-1,1)+L, the outer arc radius of m-th of circular arc pair are R (m, 2)=R (m, 1)+D1, and D1+D2=2*L；Its
In, numbers of the m for circular arc pair, and 2≤m≤K；D1 is the width of the opening between two elastic arms；D2 is elastic arm
Width；L is the distance in the center of circle of the center of circle of a upper circular arc pair to current circular arc pair.
Preferably, the free end of the 1st Inner arc and the free end of the 1st external arc are described by the first circular sliding slopes
First circular arc is tangent with the 1st Inner arc and the 1st external arc simultaneously.
Preferably, the radius of the K+1 Inner arc is：R (K+1,1)=R (K, 1)+L, the radius of the K+1 external arc
For：R (K+1,2)=R (K, 2)+M1；Wherein, M1 is the center of circle of k-th external arc between the center of circle of the K+1 external arc
Eccentric distance, and the center of circle of the K+1 external arc is located at the straight line where the corresponding radius of terminal of k-th external arc
The side far from the basic polygon in the center of circle upper and positioned at the K+1 Inner arc.
Preferably, the radius of the K+1 Inner arc is：R (K+1,1)=R (K, 1)+L, the radius of the K+1 external arc
For：R (K+1,2)=R (K+1,1)+M1；Wherein, M1 be the K+1 Inner arc the center of circle to the center of circle of the K+1 external arc it
Between eccentric distance, and the center of circle of the K+1 external arc is located at the straight line where the corresponding radius of terminal of k-th external arc
The side of separate basic polygon upper and positioned at the center of circle of the K+1 Inner arc.
Preferably, the radius of K+2~N number of Inner arc is：R (s, 1)=R (s-1,1)+L, K+2~N number of external arc
Radius is：R (s, 2)=R (s-1,2)+M2；Wherein, numbers of the s for circular arc pair, and K+2≤s≤N；M2 is a upper external arc
The eccentric distance in the center of circle to the center of circle of current external arc, and the center of circle of s-th of external arc is located at the terminal pair of the s-1 external arc
On straight line where the radius answered.
Preferably, the free end of n-th Inner arc and the free end of n-th external arc are described by the second circular sliding slopes
Second circular arc is tangent with n-th Inner arc and n-th external arc simultaneously.
Preferably, the basic polygon is quadrangle.
Preferably, the quadrangle is square or rectangular.
Preferably, the number of the elastic arm is two or three.
Preferably, K=N-2.
Preferably, the anti-rotational mounting hole being also formed on the substrate between the beginning of each elastic arm.
Preferably, the anti-rotational mounting hole includes centre bore and outwardly extending recessed by the edge of the centre bore
Slot.
Preferably, the groove is rectangular or triangle.
Preferably, the number of the groove is multiple, and the multiple groove is uniformly distributed along the circumferential direction of the centre bore.
Preferably, two outer mounting holes of the center symmetric setting of relatively described substrate are also formed on the substrate.
The present invention also provides a kind of compressor, including above-mentioned flat spring.
The bullet to flat spring can be better achieved as a result of the contour line molding mode of above-mentioned elastic arm in the present invention
Property arm cycle period, the quantity of elastic arm, flat spring elastic arm arm is wide and elastic arm between the parameters such as gap adjusting,
With low equivalent mass, high rigidity, the characteristic of high natural frequency.
Description of the drawings
Fig. 1 schematically shows the structure diagram of flat spring of the prior art；
Fig. 2 schematically shows the structural representations of flat spring that the vertex of square is used to be generated for the center of circle in the present invention
Figure；
Fig. 3 schematically shows the opening molded line generating principle figure of the flat spring in the present invention；
Fig. 4 schematically shows the side views of the flat spring in the present invention；
Fig. 5 schematically shows the flat spring (Fig. 5 a) in the present invention and the bullet of flat spring (Fig. 5 b) of the prior art
Property arm tail portion stress comparison diagram；
Fig. 6 schematically shows the anti-of flat spring (Fig. 6 a) of the prior art and the flat spring (Fig. 6 b) in the present invention
Rotational fixation hole ambient stress comparison diagram；
Fig. 7 schematically shows the structural representation for the flat spring that rectangular vertex is used to be generated for the center of circle in the present invention
Figure；
Structural representation when Fig. 8 schematically shows the opposite both ends of centre bore in the present invention using triangular groove
Figure.
Reference numeral in figure：1st, substrate；2nd, it is open；3rd, elastic arm；4th, basic polygon；5th, centre bore；6th, groove；7th, it is outer
Mounting hole.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
As shown in Fig. 2 to Fig. 8, the flat spring in the present invention includes substrate 1, forms at least two on substrate 1 helically
The opening 2 of shape extension a, in this way, elastic arm 3, therefore, elastic arm 3 can be formed at the part between adjacent two openings 2
Number it is related to the number of opening 2, opening 2 number in the case of two, the elastic arm 3 of formation is two.It is preferred that
Ground, the structure of every elastic arm 3 are identical.Preferably, the number of elastic arm is two or three.
Different from mode of the prior art, 2 molded line of opening in the present invention is generated using a basic polygon 4
, which can be regular polygon, or non-regular polygon.Wherein, each opening 2 is sequentially connected by N number of
Circular arc to form, each circular arc is to including Inner arc and external arc.For the convenience of description, the present invention to circular arc to, Inner arc
And external arc along far from basic polygon 4 direction by 1 to N number consecutivelies, that is to say, that the number of innermost circle is 1, outermost
The final stage number of circle is N.
The present invention forms the molded line by following manner, wherein, all Inner arcs are respectively successively with basic polygon 4
A vertex gradually increase for the center of circle and radius, for example, the upper left corner of the center of circle of the 1st in Fig. 3 Inner arc for square
Vertex, then the center of circle of its 2nd Inner arc is the vertex in the lower left corner, and so on and recycle these vertex.Therefore, such as
There are the 5th Inner arcs for fruit, then it is identical with the center of circle of the 1st Inner arc.Preferably, the arc length of Inner arc and external arc is equal
Less than 1/2 circle.
Similarly, the 1~K external arc respectively successively using a vertex of basic polygon 4 as the center of circle and radius it is gradual
Increase.But K+1~N number of external arc is gradually increased respectively using the position for deviateing vertex as the center of circle and radius, wherein 1<K<N-
1.Preferably, K=N-2, i.e., last two sections of external arcs are generated by the way of eccentric, and other external arcs and Inner arc then use
Concentric mode.
By the above-mentioned means, the present invention can utilize the contour line molding mode of above-mentioned elastic arm, it is better achieved to plate
The elastic arm cycle period of spring, the number of elastic arm, flat spring elastic arm arm is wide and elastic arm between the ginsengs such as gap
Several adjustings so as to the service condition according to reality and requirement into accommodating succinct adjustment, and has simultaneously
Low equivalent mass, high rigidity, the characteristic of high natural frequency.
In addition, the present invention can leave broader space for the centre bore at substrate center, aperture can be provided more
Big centre bore to adapt to the demand of different application occasion, therefore is avoided in the prior art due to the positional structure of centre bore
Certain restrictions effect can be led to the problem of to the adjustment of flat spring overall dimensions.
It is highly preferred that all Inner arcs and central angle corresponding to the 1~K external arc are 360/n degree in the present invention,
Wherein, on the basis of n polygon 4 number of edges.For example, when using square or rectangular, which is 90 degree, i.e., using 1/
4 circular arcs.
By use square in Fig. 2 to Fig. 6 and flat spring that when 1/4 circular arc generates for, the flat spring phase in the present invention
Compared in background technology all using the flat spring of isocentric circular arc for, the stress on flat spring elastic arm, the two can be reduced
A certain application example stress comparison it is as shown in Figure 5.
According to the simulation result of Fig. 5 it is found that compared with flat spring of the elastic arm of flat spring of the present invention involved by with Fig. 1,
Elastic arm can reduce 50-150MPa or so with the stress at substrate connection, and reason can be attributed to eccentric transition arc and make
Elastic arm is smoother to the transition portion of substrate from narrow to wide, therefore can also make transition of stress more smooth, reduces stress collection
The phenomenon that middle.
As it can be seen that in the case of same displacement occurs at flat spring center, the end of opening (i.e. gap) molded line used
Cross the structure of eccentric arc compared to all using the structure of isocentric circular arc for, there is smaller stress concentration.
In the following, the specific generating mode of Inner arc and external arc is described in detail with reference to figure 3.It rises for convenience
See, the inner arc radius that the 1st circular arc pair is assumed in the present invention is R (1,1), outer arc radius is R (1,2), and R (1,2)=R
(1,1)+D1。
For the 1~K circular arc for, same circular arc is isocentric circular arc to affiliated Inner arc and external arc, wherein,
The inner arc radius of m-th of circular arc pair is R (m, 1)=R (m-1,1)+L, the outer arc radius of m-th of circular arc pair for R (m, 2)=
R (m, 1)+D1, and D1+D2=2*L.
Wherein, numbers of the m for circular arc pair, and 2≤m≤K；D1 is the width of the opening 2 between two elastic arms；D2 is
The width of elastic arm；L is the distance in the center of circle of the center of circle of a upper circular arc pair to current circular arc pair.Preferably, basic polygon 4 is
Square, L are the length of side of square.The sum of width of opening 2 between the width of elastic arm and two elastic arms is equal to two times
The length of side of square.
Preferably, the free end of the free end of the 1st Inner arc and the 1st external arc is by the first circular sliding slopes, and first
Circular arc is tangent with the 1st Inner arc and the 1st external arc simultaneously.Preferably, the radius of the first circular arc R 0 is D1/2, with preferably
The problem of reducing stress concentration.
For the K+1 Inner arc, radius is R (K+1,1)=R (K, 1)+L, and corresponding K+1
The radius of external arc is R (K+1,2)=R (K, 2)+M1.Wherein, M1 is the center of circle of k-th external arc to the K+1 external arc
Eccentric distance between the center of circle, and the center of circle of the K+1 external arc is located at where the corresponding radius of terminal of k-th external arc
The side of separate basic polygon 4 on straight line and positioned at the center of circle of the K+1 Inner arc.
In another alternative mode, for the K+1 Inner arc, radius is R (K+1,1)=R (K, 1)
+ L, and the radius of the K+1 corresponding external arc is R (K+1,2)=R (K+1,1)+M1.M1 is the K+1 Inner arc
The center of circle is to the eccentric distance between the center of circle of the K+1 external arc, and the center of circle of the K+1 external arc is located at k-th external arc
The corresponding radius of terminal where straight line on and separate basic polygon 4 positioned at the center of circle of the K+1 Inner arc one
Side.The M1 of the two modes differs the length of a L.
The radius of remaining K+2~N number of Inner arc is：R (s, 1)=R (s-1,1)+L, K+2~N number of external arc
Radius is：R (s, 2)=R (s-1,2)+M2.Wherein, numbers of the s for circular arc pair, and K+2≤s≤N；M2 is a upper external arc
The eccentric distance in the center of circle to the center of circle of current external arc, and the center of circle of s-th of external arc was located at the terminal of the s-1 external arc
On straight line where corresponding radius.
Preferably, the free end of n-th Inner arc is connect with the free end of n-th external arc by the second circular arc R 1, the
Two circular arcs are tangent with n-th Inner arc and n-th external arc simultaneously, and the radius of the second circular arc R 1 can be selected arbitrarily in the reasonable scope
It selects.
For three and more than elastic arm, need to only form one group of elastic arm opening molded line, then carry out Circle-Array and list
Three groups or more can be formed three and more than elastic arm, the requirement is met for first group of opening molded line.
By the adjustment to any of the above parameter, can make the present invention meet it is different using space, different rigidity will
Ask, the requirement of different intrinsic frequencies situations such as, while flat spring again can have smaller equivalent mass, such as：
(1) circular arc of elastic arm is adjusted cycle period.It, can by adjusting the quantity of used circular arc pair
The total length of elastic arm required for convenient adjustment.
(2) overall dimension of flat spring can in the case of less restrictive condition, be adjusted.It is molded by adjusting center polygon
The number of edges and the length of side of shape and the eccentric distance of two eccentric arcs of outermost, can easily adjust the whole of entire flat spring
Body size in addition, the centre bore position of flat spring can also be made to have the space of bigger, can be adjusted according to actual needs, from
And increase the mechanical strength near the mounting hole of center, reliability and coefficient safe to use, and then ensure that entire flat spring
Service life.
(3) ratio with elastic arm gap wide to the arm of flat spring elastic arm is adjusted.Due to the arm of elastic arm it is wide with
The gap width of elastic arm meets the relationship of D1+D2=2*L, and therefore, increasing the size of D1 then can accordingly reduce the size of D2, together
Sample can reduce the size of D1 if the size for increasing D2.Therefore, it is possible to as needed in the case where meeting requirement
The arbitrarily proportionate relationship of adjustment D1 and D2.
In Fig. 2 to embodiment shown in Fig. 8, basic polygon 4 of the invention uses quadrangle, certainly in reality
Triangle, pentagon, hexagon etc. may be used.Wherein, in the embodiment of Fig. 2 to Fig. 6, using square, and in Fig. 7
Rectangle then may be used in shown embodiment.
As shown in fig. 7, the flat spring using rectangle generation and the flat spring in optimal case study on implementation in Fig. 2 to Fig. 6
Elastic arm slightly has some differences.In Fig. 7, certain contracting can occur along rectangular diagonal for the elastic arm of flat spring
It puts, wherein the isocentric circular arc on a diagonal can deviate slightly inward, and the isocentric circular arc on another diagonal can be outside
Offset.It is shown according to simulation result, the intrinsic frequency of the flat spring in Fig. 7 is less than optimum embodiment.As a result of rectangle
Generate flat spring, therefore the radial rigidity of the elastic arm in Fig. 7 has larger difference along different angle directions, suitable for than
More special occasion.
The center mounting hole of flat spring (such as Fig. 1) of the prior art is circular hole, and the part coordinated with it easily occurs opposite
Rotation can not realize the complete degree of freedom constraint along central shaft circumferential direction.For this purpose, the present invention be also formed on substrate 1 it is anti-rotational
Mounting hole is located between the beginning of each elastic arm 3.It is anti-rotational in order to achieve the purpose that, the anti-rotational mounting hole in the present invention
Including centre bore 5 and groove 6, wherein, groove 6 is the outwardly extending groove 6 in edge by centre bore 5, anti-so as to form one
Rotational structure.For example, groove is rectangular or triangle.Certainly, those skilled in the art can also use its of this field routine
His anti-rotational structure belongs to the equivalent replacement mode of the present invention.Using the structure type, can effectively prevent and flat spring
Rotation along the central axis circumferential direction of centre bore occurs when installing fixed for matched part (such as circular shaft), makes this
Part carries out more suitably degree of freedom and constrains.Preferably, the number of groove 6 is multiple (such as two), and it is along centre bore 5
Circumferentially it is uniformly distributed.
Compared with the flat spring of the prior art that Fig. 1 is related to, the molded line knot on the anti-rotational mounting hole periphery in the present invention
Structure is capable of mechanical strength, reliability and the service life at effective lifting plate spring center position, a certain application example of the two should
Power comparison situation is as shown in Figure 6.
According to the simulation result of Fig. 6 it is found that the stress distribution near flat spring centre bore in the present invention is than more uniform, about
For 30MPa or so, and then about 2-3 times of the present invention of the stress concentration phenomenon near the flat spring centre bore in Fig. 1, reason
It is that nearby bulbous bow profile employs more circular arc lines and is fitted for the flat spring centre bore of the present invention, makes its transition more flat
It is sliding, so as to make stress distribution transition more smooth.On the other hand, material of the flat spring in the present invention in its center near hole has
It is also bigger than the flat spring in Fig. 1 to imitate area, it is thus possible to it is significantly more efficient to make stress distribution uniform, and then reduce stress concentration
Situation.
Preferably, two outer mounting holes 7 of the center symmetric setting of opposing substrate 1 are also formed on substrate 1.
The present invention also provides a kind of compressor, particularly a kind of Linearkompressor, including above-mentioned flat spring.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, that is made any repaiies
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (18)
1. a kind of flat spring including substrate (1), offers at least two openings extended in the shape of a spiral on the substrate (1)
(2), the part being located between adjacent two openings (2) of the substrate (1) forms elastic arm (3), which is characterized in that
The opening (2) includes N number of sequentially connected circular arc pair, and each circular arc is to including Inner arc and external arc；
1st~N number of Inner arc is respectively successively using a vertex of basic polygon (4) as the center of circle；
The 1~K external arc is respectively successively using a vertex of the basic polygon (4) as the center of circle, K+1~N number of outer circle
Arc is respectively to deviate the position on the vertex as the center of circle, wherein 1<K<N-1；
Wherein, the circular arc to, the Inner arc and the external arc along the direction far from the basic polygon (4) by 1
To N number consecutivelies.
2. flat spring according to claim 1, which is characterized in that the 1st~N number of Inner arc and the 1~K external arc institute are right
The central angle answered is 360/n degree, wherein, n is the number of edges of the basic polygon (4).
3. flat spring according to claim 2, which is characterized in that the inner arc radius of the 1st circular arc pair is R (1,1), outside
Arc radius is R (1,2), and R (1,2)=R (1,1)+D1, then 1~K the radiuses of the Inner arc and the radius of external arc
For：
The inner arc radius of m-th of circular arc pair is R (m, 1)=R (m-1,1)+L,
The outer arc radius of m-th of circular arc pair is R (m, 2)=R (m, 1)+D1,
And D1+D2=2*L；
Wherein, numbers of the m for circular arc pair, and 2≤m≤K；D1 is the width of the opening (2) between two elastic arms；D2
Width for elastic arm；L is the distance in the center of circle of the center of circle of a upper circular arc pair to current circular arc pair.
4. flat spring according to claim 3, which is characterized in that the free end of the 1st Inner arc and the 1st external arc
By the first circular sliding slopes, first circular arc is tangent with the 1st Inner arc and the 1st external arc simultaneously for free end.
5. flat spring according to claim 3, which is characterized in that
The radius of the K+1 Inner arc is：R (K+1,1)=R (K, 1)+L,
The radius of the K+1 external arc is：R (K+1,2)=R (K, 2)+M1；
Wherein, M1 be k-th external arc the center of circle to the eccentric distance between the center of circle of the K+1 external arc, and the K+1
The center of circle of a external arc is located on the straight line where the corresponding radius of terminal of k-th external arc and in the K+1
The side far from the basic polygon (4) in the center of circle of circular arc.
6. flat spring according to claim 3, which is characterized in that
The radius of the K+1 Inner arc is：R (K+1,1)=R (K, 1)+L,
The radius of the K+1 external arc is：R (K+1,2)=R (K+1,1)+M1；
Wherein, M1 be the K+1 Inner arc the center of circle to the eccentric distance between the center of circle of the K+1 external arc, and K+1 is a
The center of circle of external arc is located on the straight line where the corresponding radius of terminal of k-th external arc and positioned at the K+1 Inner arc
The side of the separate basic polygon (4) in the center of circle.
7. flat spring according to claim 5 or 6, which is characterized in that
The radius of K+2~N number of Inner arc is：R (s, 1)=R (s-1,1)+L,
The radius of K+2~N number of external arc is：R (s, 2)=R (s-1,2)+M2；
Wherein, numbers of the s for circular arc pair, and K+2≤s≤N；M2 is the center of circle to the center of circle of current external arc of a upper external arc
Eccentric distance, and the center of circle of s-th of external arc is located on the straight line where the corresponding radius of terminal of the s-1 external arc.
8. flat spring according to claim 7, which is characterized in that the free end of n-th Inner arc and n-th external arc
By the second circular sliding slopes, second circular arc is tangent with n-th Inner arc and n-th external arc simultaneously for free end.
9. flat spring according to claim 1, which is characterized in that the basic polygon (4) is quadrangle.
10. flat spring according to claim 9, which is characterized in that the quadrangle is square or rectangular.
11. flat spring according to claim 1, which is characterized in that the number of the elastic arm is two or three.
12. flat spring according to claim 1, which is characterized in that K=N-2.
13. flat spring according to claim 1, which is characterized in that be also formed with being located at each bullet on the substrate (1)
Anti-rotational mounting hole between the beginning of property arm (3).
14. flat spring according to claim 13, which is characterized in that the anti-rotational mounting hole include centre bore (5) with
And the outwardly extending groove in edge (6) by the centre bore (5).
15. flat spring according to claim 14, which is characterized in that the groove is rectangular or triangle.
16. flat spring according to claim 14, which is characterized in that the number of the groove (6) is the multiple to be multiple
Groove (6) is uniformly distributed along the circumferential direction of the centre bore (5).
17. flat spring according to claim 14, which is characterized in that be also formed with relatively described base on the substrate (1)
Two outer mounting holes (7) of the center symmetric setting of plate (1).
18. a kind of compressor, which is characterized in that including the flat spring described in any one of claim 1 to 17.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610697204.4A CN106224419B (en) | 2016-08-19 | 2016-08-19 | Flat spring and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610697204.4A CN106224419B (en) | 2016-08-19 | 2016-08-19 | Flat spring and compressor |
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| Publication Number | Publication Date |
|---|---|
| CN106224419A CN106224419A (en) | 2016-12-14 |
| CN106224419B true CN106224419B (en) | 2018-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610697204.4A Active CN106224419B (en) | 2016-08-19 | 2016-08-19 | Flat spring and compressor |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108194548B (en) * | 2017-12-28 | 2023-12-29 | 陕西仙童科技有限公司 | Plate spring, plate spring set and compressor |
| US10677307B2 (en) | 2018-04-24 | 2020-06-09 | Microsoft Technology Licensing, Llc | Barrel spring |
| CN111043214A (en) * | 2019-11-18 | 2020-04-21 | 上海厚酷科技有限公司 | Shock absorption system of refrigerating machine |
| CN111043234A (en) * | 2019-11-18 | 2020-04-21 | 上海厚酷科技有限公司 | Vibration absorber |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013043883A1 (en) * | 2011-09-20 | 2013-03-28 | Lockheed Martin Corporation | Extended travel flexure bearing and micro check valve |
| CN104514828A (en) * | 2013-09-30 | 2015-04-15 | 珠海格力节能环保制冷技术研究中心有限公司 | Plate spring, plate spring assembly and compressor |
| CN105757152A (en) * | 2014-12-18 | 2016-07-13 | 珠海格力节能环保制冷技术研究中心有限公司 | Plate spring, plate spring set and compressor |
| CN206072188U (en) * | 2016-08-19 | 2017-04-05 | 珠海格力节能环保制冷技术研究中心有限公司 | Flat spring and compressor |
-
2016
- 2016-08-19 CN CN201610697204.4A patent/CN106224419B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013043883A1 (en) * | 2011-09-20 | 2013-03-28 | Lockheed Martin Corporation | Extended travel flexure bearing and micro check valve |
| CN104514828A (en) * | 2013-09-30 | 2015-04-15 | 珠海格力节能环保制冷技术研究中心有限公司 | Plate spring, plate spring assembly and compressor |
| CN105757152A (en) * | 2014-12-18 | 2016-07-13 | 珠海格力节能环保制冷技术研究中心有限公司 | Plate spring, plate spring set and compressor |
| CN206072188U (en) * | 2016-08-19 | 2017-04-05 | 珠海格力节能环保制冷技术研究中心有限公司 | Flat spring and compressor |
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| CN106224419A (en) | 2016-12-14 |
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Effective date of registration: 20181119 Address after: 519070 789 Jinji Xi Road, Qianshan, Zhuhai, Guangdong Co-patentee after: GREE GREEN REFRIGERATION TECHNOLOGY CENTER Co.,Ltd. OF ZHUHAI Patentee after: GREE ELECTRIC APPLIANCES,Inc.OF ZHUHAI Address before: 519000 science and technology building, 789 Jinji Road, Qianshan, Zhuhai, Guangdong Patentee before: GREE GREEN REFRIGERATION TECHNOLOGY CENTER Co.,Ltd. OF ZHUHAI |
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