CN106499632A - Oldham ring for scroll compressor - Google Patents
Oldham ring for scroll compressor Download PDFInfo
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- CN106499632A CN106499632A CN201510559687.7A CN201510559687A CN106499632A CN 106499632 A CN106499632 A CN 106499632A CN 201510559687 A CN201510559687 A CN 201510559687A CN 106499632 A CN106499632 A CN 106499632A
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- ring
- cross slip
- material portion
- pair
- ring body
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Abstract
The invention relates to an oldham ring for a scroll compressor. According to one aspect, a oldham ring includes an annular body and a slip fit disposed on the annular body. The annular body includes a top surface, a bottom surface, an inboard side surface, and an outboard side surface. At least one first material removing part is arranged on the inner side surface and/or the outer side surface of the annular body. According to the invention, the mass of the Oldham ring can be reduced to the maximum while ensuring that the Oldham ring has enough bending strength, thereby reducing the mechanical vibration and noise of the scroll compressor.
Description
Technical field
The present invention relates to cross slip-ring, more particularly, it relates to it is used for screw compressor in case stop whirlpool
The cross slip-ring of rotation rotation.
Background technology
The compression mechanism of screw compressor generally comprises dynamic vortex and determine vortex, dynamic vortex and determines whirlpool
Rotation cooperatively forms a series of compression chambers.Relative motion between dynamic vortex and determine vortex is realized in pressure
Compression of the contracting intracavity to working media, the relative motion are dynamic vortex putting down relative to determine vortex
Dynamic, but do not allow dynamic vortex to be rotated relative to determine vortex.In order to prevent dynamic vortex and
Relative rotary motion is produced between determine vortex, needs to use anti-rotation mechanism.Cross slip-ring is anti-certainly
Rotation mechanism is widely used on screw compressor because of its simple structure and motion stabilization.
Content of the invention
It is an object of the present invention to provide the new cross slip-ring that a kind of quality mitigates.
It is a further object to provide a kind of can keep higher bending strength and/
Or while ruggedness, mitigate the cross slip-ring of quality as much as possible.
In above-mentioned purpose one or more can by according to the present invention one kind be used for be vortexed
Realizing, the cross slip-ring includes ring body and is arranged at institute the cross slip-ring of compressor
State the portion that is slidably matched on ring body, the ring body includes top surface, basal surface, interior
Side side surface and outside side surface.Inner side side surface and/or outside side in the ring body
At least one first are provided with surface goes to material portion.
The present invention also provides a kind of screw compressor, including：Determine vortex, the determine vortex relative to
The housing of the screw compressor is fixed；Dynamic vortex, the dynamic vortex coordinate shape with the determine vortex
Into multiple compression chambers；Main bearing seat, the main bearing seat are used for supporting the determine vortex and described dynamic
It is vortexed；And cross slip-ring recited above, the cross slip-ring and the determine vortex or the master
Bearing block is engaged and is engaged with the dynamic vortex.
The present invention passes through setting on the side surface of the ring body of cross slip-ring and goes to material portion, or
Additionally, by the key of cross slip-ring and/or cross slip-ring ring body top surface and bottom
Arrange on surface and go to material portion, reach the purpose for mitigating quality.
Description of the drawings
By the detailed description to specific embodiment of offer referring to the drawings, it is possible to more
Plus will be readily understood that the features and advantages of the present invention.In accompanying drawing, identical feature or part are adopted
Identical reference representing and accompanying drawing is not drawn necessarily to scale, and in accompanying drawing：
Fig. 1 is the schematic cross sectional views of screw compressor.
Fig. 2 is the exploded perspective view of the compression mechanism of the screw compressor of Fig. 1.
Fig. 3 is that the diagrammatic top for illustrating the cross slip-ring according to first embodiment of the invention stands
Body figure.
Fig. 4 a to Fig. 4 c show cross slip-ring shown in Fig. 3 with go material portion annular this
The exemplary cross section shape of body.
Fig. 5 a to Fig. 5 c are to illustrate regarding for cross slip-ring according to second embodiment of the invention
Figure, wherein, Fig. 5 a are the plane graphs of the cross slip-ring according to second embodiment of the invention；
Fig. 5 b are sectional view of the cross slip-ring along A-A' lines shown in Fig. 5 a；And Fig. 5 c are Fig. 5 b
In with arrow D indicate part enlarged drawing.
Fig. 6 a to Fig. 6 f are to illustrate regarding for cross slip-ring according to third embodiment of the invention
Figure, wherein, Fig. 6 a are schematically bowing for the cross slip-ring according to third embodiment of the invention
Parallax stereogram；Fig. 6 b are the schematic face upwarding stereograms of cross slip-ring shown in Fig. 6 a；Fig. 6 c
It is another schematic face upwarding stereogram of cross slip-ring shown in Fig. 6 a and which is different from Fig. 6 b
Part is that the viewing angle of the two differs about 90 °；Fig. 6 d are that cross shown in Fig. 6 a is slided
The plane graph of ring；Fig. 6 e are the sectional view of the cross slip-ring along B-B' lines of Fig. 6 d；And figure
6f is the enlarged drawing of the part indicated with arrow D in Fig. 6 e.
Fig. 7 a to Fig. 7 f are the views similar with Fig. 6 a to Fig. 6 f, show according to the present invention
The cross slip-ring of the 3rd embodiment.
8a to 8c is the view similar with Fig. 5 a to Fig. 5 c, shows according to the present invention the 4th
The cross slip-ring of embodiment.
Specific embodiment
With reference to the accompanying drawings the illustrative embodiments of the present invention are described in detail.To example
Property embodiment description merely for the sake of demonstration purpose, and be definitely not to the present invention and its application
Or the restriction of usage.
In the course of work of screw compressor, the tangential of compressed gas that its compression chamber is subject to is divided
Power produces the torque for making dynamic vortex around the centrage rotation of cam pin, i.e. spin moment.In order to
Dynamic vortex rotation is prevented, generally using cross slip-ring as anti-rotation mechanism, while allowing dynamic whirlpool
Rotation is in the way of translation relative to determine vortex moving.Therefore, the service behaviour of cross slip-ring also will
Affect screw compressor and then the working condition and operational stability of refrigeration plant or heating equipment.
Body and two pairs of slide blocks being arranged on body or key that cross slip-ring generally includes annular,
The opposed key of one pair of which is coordinated with a pair of keyways in dynamic vortex and can be relative along keyway
Ground linear reciprocating motion, another a pair of keyways on opposed key and determine vortex or main bearing seat
Can be along keyway relatively linear reciprocating motion with merging.The line of the pair of opposed key
Can be generally vertically with another line to opposed key.
In work, cross slip-ring is under the driving of dynamic vortex along in determine vortex or main bearing seat
A pair of keyways do reciprocating linear motion, while dynamic vortex is along vertical with the direction of motion of cross slip-ring
Direction do reciprocating linear motion relative to cross slip-ring.That is, dynamic vortex and cross are slided
The motion of ring is to be mutually perpendicular to the motion that same frequency is synchronously carried out, so as to synthesize dynamic vortex relative to
Determine vortex revolves round the sun and is unable to the revolution translational motion of rotation.
As cross slip-ring has reciprocal inertia force at the volley, when quality is larger, easily cause
Mechanical vibration and noise, so during design, the quality of cross slip-ring to be reduced as far as possible, to reduce
Inertia force.In the case of the manufacture material identical of cross slip-ring, mitigation quality means that and subtracts
Few material usage.However, will consider that while by reducing material to mitigate quality cross is slided
The intensity of ring and ruggedness.The cross slip-ring that the present invention is provided can have cross slip-ring is guaranteed
Mitigate the quality of cross slip-ring while enough bending strengths to greatest extent, so as to reduce vortex
The mechanical vibration of compressor and noise.
Cross slip-ring according to the present invention is described in detail below in conjunction with the accompanying drawings.
Fig. 1 shows the schematic cross sectional views of screw compressor 1.Fig. 2 is shown as vortex
The exploded perspective view of the compression mechanism of the main working parts of compressor 1.Compression mechanism include with
The determine vortex 3 that the housing 2 of screw compressor 1 is set together with being radially relatively fixed
And relative to the dynamic vortex 4 that determine vortex 3 can be arranged in which move.By dynamic vortex 4 with fixed
The relative motion being vortexed between 3, in the volution blade and the vortex leaf of determine vortex 3 of dynamic vortex 4
Form the closing space that periodically changes of volume between piece, so as to by working media from low pressure shape
State is compressed to high pressure conditions, and realizes work by being located at the medium pipeline outside screw compressor 1
Make the closed circulation of medium.
Dynamic vortex 4 is driven by the cam pin 51 of the main shaft 5 of screw compressor 1, main shaft 5 with
The rotor 6 of the motor of screw compressor 1 is set together with being relatively fixed, and main shaft 5
It is bearing in the housing 2 of screw compressor 1 by main bearing seat 8.When startup screw compressor 1
Motor when, the rotor 6 of motor drives the main shaft 5 being fixedly disposed corresponding thereto together
Rotation.The cam pin 51 of main shaft 5 is arranged on the hub portion 41 of dynamic vortex 4 by driving bearing 7
Cavity in.When main shaft 5 is rotated under the drive of motor, the cam pin 5 of main shaft 5 does partially
Heart rotary motion, cam pin 51 drive dynamic vortex 4 along certain by the hub portion 41 of dynamic vortex 4
Movement locus do revolution translational motion relative to determine vortex 3.
In order that dynamic vortex 4 revolves round the sun and not rotation only with respect to determine vortex 3, dynamic vortex 4 with
Cross slip-ring 10 is provided between main bearing seat 8.
Referring to Fig. 2 and Fig. 3, wherein, Fig. 3 is shown according to first embodiment of the invention
The axonometric chart of cross slip-ring 10.Cross slip-ring 10 includes that ring body 11, body 11 include
In the face of dynamic vortex 4 and the top surface 14 and the basal surface 15 in the face of main bearing seat 8 of determine vortex 3.
It is right towards two couple of dynamic vortex 4 and the protrusion of determine vortex 3 to be provided with the top surface of body 11
The key 12,12 and 13,13 that puts.The first opposed key 12,12 of one pair of which is arranged on ring
On the longitudinal axis S of shape body 11, for corresponding a pair of the keyways 32 in determine vortex 3,
32 can be along the relatively linear reciprocating motion of keyway 32,32 with merging.Another to opposed
Second key 13 is arranged on the axis of pitch S' vertical with longitudinal axis S, for dynamic vortex
Corresponding a pair of keyways 43,43 on 4 can be relatively past along keyway 43,43 with merging
Linear motion.It is pointed out here that the first key and the second key are used as according to the present invention
The portion that is slidably matched.
In embodiment given herein, first the 12,12 and second key of key 13,13 all sets
Put and (side of ring body is arranged on) on the top surface 14 of ring body 11, to divide
Do not coordinate with dynamic vortex 4 and determine vortex 3.But, the present invention is unrestricted in this regard.This
Although art personnel be appreciated that not shown, the present disclosure applies equally to a pair first keys
It is separately positioned on the top surface and basal surface of ring body with a pair second keys and (that is, is arranged on
The both sides up and down of ring body) cross slip-ring.In this case, arrange on the bottom
A pair of keys can corresponding with main bearing seat a pair of keyways coordinate and can be along the key
Groove relatively linear reciprocating motion.Additionally, for the cross slip-ring of other configurations, such as first
Key and/or the second key are extended in a radial direction and are arranged in the plane at ring body place
Cross slip-ring, the present invention are equally applicable.Again for example, for keyway is provided with, (keyway is used
In the key with corresponding component coordinate and as according to the present invention the portion that is slidably matched) cross slide
Ring, the present invention are equally applicable.
In the present embodiment, the body 11 of cross slip-ring 10 is configured to irregular annular shape
Shape, the annular shape are symmetrical with regard to longitudinal axis S, and asymmetric with regard to axis of pitch S'.
More specifically, the longitudinal size of the annular shape is maximum at longitudinal axis S, and its horizontal chi
Very little maximum at axis of pitch S'.First key 12,12 can relative to axis of pitch S'
The axis of symmetry that is parallel and deviating from axis of pitch S' is symmetrically disposed on longitudinal axis S,
And the second key 13,13 can be symmetrically disposed in lateral shaft with longitudinal axis S as the axis of symmetry
On line S'.
As noted previously, as a pair first keys 12,12 being arranged on longitudinal axis S with fixed
Keyway 32,32 on vortex 3 coordinates, and a pair second keys being arranged on axis of pitch S'
13rd, 13 are coordinated with the keyway 43,43 in the dynamic vortex 4 being arranged on the inside of determine vortex 3, because
The spacing distance of this first key 12,12 can be more than the spacing distance of the second key 13,13.With
The body of cross slip-ring is configured to the configuration of annular shape and compares, and this configuration is more beneficial for subtracting
The radial dimension of little cross slip-ring, and then the quality for being conducive to mitigating cross slip-ring.Certainly, originally
The theory of invention be equally applicable in annular shape or other shapes cross slip-ring.For example,
The annular shape of cross slip-ring can be all symmetrical with regard to longitudinal axis S and axis of pitch S',
Or the ring body of cross slip-ring can be simply formed as annular shape.Additionally, axis
S and axis S' are not necessarily orthogonal.In theory, between axis S and axis S'
Angle can be any value of non-zero.
Due to being subject to supporting from main bearing seat 8, at work, cross slip-ring 10 is held
The power of the in the vertical direction that receives keeps balancing, and makees in the plane that cross slip-ring 10 is located
Force unbalance for cross slip-ring 10.In the motor process of dynamic vortex 4, slide in cross
The power for acting on cross slip-ring in the plane that ring is located mainly includes：Dynamic vortex and the key of determine vortex
The tangential force that the side wall of groove applies to first key and the second key of cross slip-ring；The key of cross slip-ring
The frictional force produced when sliding in the keyway；And cross slip-ring is along determine vortex (or base bearing
Seat) keyway reciprocating when the inertia force that produces.These power, particularly above-mentioned tangential force
Moment of flexure is produced with frictional force, so that cross slip-ring produces bending stress.Therefore, cross slip-ring
Intensity mainly related to bending stress.That is, in the operation of screw compressor, ten
The intensity of word slip ring and ruggedness are directly related with its bending strength.Required bending resistance can guaranteed
On the premise of intensity, cross slip-ring is made by suitably choosing the shape of cross section of cross slip-ring
Material quantity is minimum, and then mitigates quality and its inertia force of cross slip-ring.
According to the present invention, specific shape of cross section by common cross section rectangular ten
Arrange on the body of word slip ring and go to material portion and formed.
Referring specifically to Fig. 3, in the side surface 16,17 of the ring body 11 of cross slip-ring 10
On along ring body 11 circumferential direction be provided with form of grooves go to material portion 18.Further
Referring to Fig. 4 a to Fig. 4 c, illustrated therein is cross slip-ring 10 shown in Fig. 3 with removing material
The exemplary cross section shape of the ring body 11 in portion 18.
In the cross slip-ring 10 according to first embodiment of the invention that figure 3 illustrates,
On the inner side side surface 16 and outside side surface 17 of ring body 11 in the way of being interrupted substantially
It is symmetrically formed material portion 18.But, it will be understood by those skilled in the art that the present invention is simultaneously
The particular implementation being not limited to shown in Fig. 3.
According to the present invention, go to material portion 18 be continuously formed at the annular of cross slip-ring 10
On the side surface 16,17 of body 11, it is also possible to be formed in cross slip-ring in the way of being interrupted
On the side surface 16,17 of 10 ring body 11.Additionally, go material portion 18 can while
It is formed on the inner side side surface 16 and outside side surface 17 of ring body 11.But, root
According to needs, go to material portion 18 be made only in the inner side side surface 16 of ring body 11
Or on outside side surface 17.Alternatively, go to the material portion 18 can be the one of ring body 11
It is continuously formed as a whole circle on side side surface (inner side side surface 16 or outside side surface 17)
Annular groove, and opposite side side surface (outside side surface 17 or the inner side side in ring body
Surface 16) on by be interrupted in the way of formed.
Typically, the weak spot (area of stress concentration) of cross slip-ring is at its heel position of key, or
Person near its heel position, for example, if by two on the longitudinal axis S of cross slip-ring 10
The position of individual first key 12 and 12 is considered as 12 o'clock position and 6 o'clock position, cross slip-ring
10 7 o'clock position is generally also a weak spot.It is therefore preferred that in ring body
11 weak spot can be not provided with material portion 18.I.e., in some instances, material portion is gone to
18 can be formed as the 12,12 and second key of the first key of setting 13,13 in ring body 11
Position interrupt.
Further, material portion 18 is gone to be symmetrically formed at the inner side side of ring body 11
On surface 16 and outside side surface 17, for example, the situation shown in Fig. 4 a and Fig. 4 c.But
Material portion 18 is gone to also may be used on the inner side side surface 16 and outside side surface 17 of ring body 11
Being asymmetric.For example, go to the material portion 18 can be in the circumferential direction of ring body 11
It is alternately formed in inner side side surface 16 and outside side surface 17.That is, in annular originally
Material portion 18 is made only in 17 on the side surface of outside, and in ring a certain section of body 11 up
Material portion 18 is made only in inner side side surface 16 to adjacent another section of shape body 11 up
On.Or, as shown in Figure 4 b, go to the material portion 18 can respectively in the vertical of ring body 11
Inner side side surface is formed at differing heights on direction (that is, the thickness direction of ring body)
16 and outside side surface 17.
In the cross slip-ring 10 according to first embodiment of the invention that figure 3 illustrates, go
Material portion 18 is the form of the generally rectangular shaped groove in cross section.More specifically, such as Fig. 4 a
Shown, cross slip-ring 10 is formed as inner side side surface 16 and the outside in its ring body 11
Evenly and symmetrically be formed with rectangular recess form on side surface 17 goes to material portion 18 so that
Ring body 11 is being in I shape with the cross section that goes at the position in material portion 18.
But, it will be understood by those skilled in the art that the configuration for going to material portion 18 of the present invention
The particular implementation being not limited to shown in Fig. 3, but any suitable structure can be formed as
Type.For example, depth (that is, the radial direction of the groove along ring body of the groove for going to material portion is formed
The size in direction) and/or the A/F of groove (that is, groove is along ring body and radially
Size on the vertical axial direction in direction) can be along ring body 11 circumferential direction gradually
Become, the direction for being preferably directed towards portion's of being slidably connected (i.e. the first key 12 and the second key 13) reduces.
In addition, the shape of cross section for going to material portion can also be other the suitable cross sections in addition to rectangle
Shape.For example, the shape of cross section in material portion is gone to be formed as from ring body 11
Side side surface 16 and outside side surface 17 are towards the tapered shape in central authorities.This shape of cross section
For the bending strength for improving cross slip-ring is favourable.As illustrated in fig. 4 c, material portion 18 is gone to
Be formed as the C-shaped groove in cross section.For example, go the shape of cross section in material portion 18 can be with
Semicircle/half elliptic that is U-shaped for be rotated by 90 °, being rotated by 90 °, or L-type etc..
In addition to it can form different general cross sectional shapes, as shown in Fig. 4 a to Fig. 4 c,
Can also be by avoiding stress concentration corner's rounding in material portion is removed, so as to improve ten
The integral bending of word slip ring.
In the above-described embodiment, material portion is gone to be made only on the side surface of cross slip-ring, from
And on the premise of the bending strength of cross slip-ring is guaranteed can mitigate cross as much as possible and slide
The quality of ring.More hold although material portion will be gone to be formed on the top surface and basal surface of cross slip-ring
Easily realize (for example due to being easier to mold), but test is proved, suitable in bending strength
In the case of, go to material portion to form cross slip-ring on the side surface compared to going to material portion to be formed in
The cross slip-ring of top surface and/or basal surface can more reduce material usage and then realize matter
The cross slip-ring that amount substantially mitigates.For example, in the case where bending strength is suitable, in Fig. 4 a
Shown cross section is in I-shaped cross slip-ring compared to going to material portion to be made only in top surface
And/or the cross slip-ring on basal surface can realize that up to 20.4% quality mitigates, so as to
Enough more advantageously reduce the mechanical vibration and noise caused by the inertia motion of cross slip-ring.
In addition, with go material portion be formed in top surface and/or basal surface on cross slip-ring
Compare, going to material portion to be formed does not affect cross slip-ring on the side surface with dynamic vortex and and main shaft
Contact area between bearing, more stably supports between these parts so as to realize and slides relatively
Move.And for go material portion be formed in top surface and/or basal surface on cross slip-ring for,
For ensureing cross slip-ring and dynamic vortex and enough plane contact between main bearing seat, having must
The width of the ring body of cross slip-ring to be increased, so as to partly offset by going material portion reality
Existing quality mitigates.Therefore, with go that material portion is formed on top surface and/or basal surface ten
Word slip ring is compared, and goes to material portion to form volume and the footpath that can realize cross slip-ring on the side surface
To the reduction of size, and then can more effectively mitigate quality, while being conducive to compression mechanism
Space utilization and property compact to design.
Even so, the invention is not limited in the embodiment shown in Fig. 3, but can lead to
The material portion that goes that crosses on side surface is made with the combining for material portion of going on top surface and/or basal surface
It is used for obtaining the cross slip-ring that performance more optimizes.For example, it is possible to the annular in cross slip-ring 10
The larger position of the width of body 11 arranges top surface and/or basal surface goes to material portion, and
Side surface is set at the narrower width of ring body 11 and goes to material portion.Ten can guaranteed so
Word slip ring and dynamic vortex and stable plane contact and cross is guaranteed between main bearing seat
While the bending strength of slip ring, mitigate the quality of cross slip-ring as much as possible, so as to more have
Effect ground to reduce and cause mechanical vibration by the reciprocal inertia force of cross slip-ring in screw compressor and make an uproar
Sound.
Referring to Fig. 5 a to Fig. 5 c, the cross according to second embodiment of the invention is illustrated therein is
Slip ring.Except being formed with material portion on the inner side and outer side side surface of ring body (in figure
Invisible) outside, shown in the plane graph as shown in Fig. 5 a, setting in ring body
It is equipped with larger four regions of width of key, is also equipped with the top surface of ring body
Material portion 18', further to mitigate the quality of cross slip-ring.Fig. 5 b are that cross slip-ring edge sets
Top set surface/basal surface removes the sectional view of the A-A' line cuttings at the position of material portion 18', its
In indicated by arrow D and the position irised out with double dot dash line is top surface and goes to 18' institutes of material portion
Position.Fig. 5 c are amplifying the details for illustrating that the top surface removes material portion 18'.
Fig. 6 a to Fig. 6 f show the cross slip-ring according to third embodiment of the invention.Referring to
Fig. 6 a to Fig. 6 c, according to the cross slip-ring of third embodiment of the invention except in ring body
Inner side and outer side side surface on be formed with outside material portion 18, in a pair second keys 13
Nearby being each provided with two on the top surface and basal surface of ring body removes material portion 18'.
Further, as shown in Fig. 6 a to 6c clearly, in the first key 12,12 and
Material portion 18 is also equipped with two keys 13,13 ".Preferably, material portion 18 is gone to " arrange
In the contrary with the surface for being provided with the first key 12,12 and the second key 13,13 of ring body 11
Surface at.Preferably, this goes to material portion 18 " it is along corresponding first key or the second key
The form of the blind hole that longitudinal direction extends, and blind hole is opened on the basal surface of ring body.
In embodiment shown in the figure, the shape of cross section of blind hole and corresponding first key or second
The shape of cross section of key is consistent.So be conducive to making material portion 18 " maximize, and favorably
Balanced design in cross slip-ring.But the invention is not restricted to this, formed and go to material portion 18 "
Blind hole can be other suitable shapes, for example, it is possible to be circular circular port for cross section.
Fig. 6 d are the plane graphs of the cross slip-ring according to third embodiment of the invention, and Fig. 6 e are
The cross slip-ring of Fig. 6 d goes the B-B' line cuttings at the position in material portion 18 along setting side surface
Sectional view, the position for wherein being indicated by arrow D and being irised out with double dot dash line is side surface and goes
The position that material portion 18 is located.Fig. 6 f illustrate the side surface and go to material portion 18 to amplify
Details, in the outer lateral side of ring body 11 formed the cross section for going to material portion 18 be
Generally u-shaped (be rotated by 90 ° is U-shaped), and on the side surface of inner side formed go to material portion
18 cross section is inverted L-type.
Fig. 7 a to Fig. 7 f show the cross slip-ring according to four embodiment of the invention.This ten
Word slip ring goes material portion 18' and key to go to material portion 18 in top surface/basal surface " configuration on
Similar with the cross slip-ring of the 3rd embodiment, only go in side surface in the configuration of material 18 not
It is same as above-mentioned 3rd embodiment.Fig. 7 a to Fig. 7 f are the views similar with Fig. 6 a to 6f,
What wherein Fig. 7 f showed the cross slip-ring of the 4th embodiment goes the concrete thin of material portion 18
Section, the cross section for going to material portion 18 formed in the outer lateral side of ring body 11 is for substantially
L-type, and the cross section for going to material portion 18 formed on the side surface of inner side is inverted L-type.
Fig. 8 a to Fig. 8 c show the cross slip-ring according to fifth embodiment of the invention.This ten
Word slip ring goes material portion 18' and key to go to material portion 18 in top surface/basal surface " configuration on
Similar with the cross slip-ring of the third and fourth embodiment, only matching somebody with somebody for material 18 is gone in side surface
Put and be different from above-mentioned third and fourth embodiment.Fig. 8 a to Fig. 8 c are and Fig. 6 a to 5c
What similar view, wherein Fig. 8 c showed the cross slip-ring of the 5th embodiment goes to material portion
18 detail.
Above-mentioned 3rd to the 5th embodiment is only exemplary, and the present invention is applied to side surface
Go material portion 18, top surface/basal surface go to material portion 18' and key position go to material portion
18 " any appropriate combination.By above-mentioned go material portion 18,18', 18 " combination make
With more effectively realizing mitigating the quality of cross slip-ring and its purpose of inertia force, and carry
The high design flexibility of cross slip-ring.
Although described above is that cross slip-ring is provided with a pair first keys and a pair second keys, its with
Dynamic vortex and determine vortex or the paired keyed engagement on main bearing seat, but it is understood that be,
A pair first keyways and a pair second keyways are arranged on the cross slip-ring, and coordinated with which
Key is arranged in dynamic vortex, and another a pair of keys is arranged on determine vortex or main bearing seat.
By various embodiments above, guaranteeing that cross slip-ring has higher bending strength and resistance to
Quality mitigation is achieved to greatest extent with property.Thus, farthest reduce in screw compressor
Mechanical vibration and noise are caused by the reciprocal inertia force of cross slip-ring, and then is improved equipped with scroll compression
The working condition and operational stability of the refrigeration plant or heating equipment of contracting machine.
In addition, in the present invention, gone by arranging on the side surface of the ring body of cross slip-ring
Material portion, allows cross to slide on the premise of cross slip-ring has higher bending strength and ruggedness
The radial dimension (width) of the ring body of ring reduces, so as to for other portions in screw compressor
Part (such as dynamic vortex and thrust plate) provides bigger installing space, thus for example allows scroll compression
Bigger number realized by contracting machine in the case where overall dimensions are constant.
In present specification, directional terminology " on ", " top ", D score, " lower section ", " top "
The use at " bottom " etc. is typically only not construed as restricted for the purpose for being easy to describe
's.
Although here describes the preferred embodiment of the present invention in detail, it is to be understood that this
Invention is not limited to the concrete structure for being described in detail here and illustrating, without departing from the present invention's
Other modifications and variant is may be effected by one skilled in the art in the case of spirit and scope.
All these modifications and variant are both fallen within the range of claimed claim.
It is to be appreciated that according to the present invention it is possible to including following advantageous scheme.
In the cross slip-ring according to the present invention, described first goes the shape that material portion is substantially groove
Formula.
In the cross slip-ring according to the present invention, described first goes to material portion along the ring body
Circumferential direction continuously or discontinuously arrange.
In the cross slip-ring according to the present invention, it is slidably matched described in the setting of the ring body
Described first is not provided with the part in portion goes to material portion.
According to the present invention cross slip-ring in, described first go material portion in the ring body
Depth in the radial direction be slidably matched along the circumferential direction of the ring body towards described
Portion tapers into；And/or described first go material portion on the axial direction of the ring body
Width is tapered into along the circumferential direction of the ring body towards the portion of being slidably matched.
In the cross slip-ring according to the present invention, described first goes to material portion relative to the annular sheet
Body is asymmetrically formed on the inner side side surface and outside side surface of the ring body.
According to the present invention cross slip-ring in, described first go material portion along the ring body
The shape of cross section opened of radial direction cutting be horizontal U-shaped, c-type or L-type.
In the cross slip-ring according to the present invention, described first goes to material portion relative to the annular sheet
Inner side side surface and/or the outside of the ring body is alternately formed in for the axial direction of body
At the differing heights of side surface.
In the cross slip-ring according to the present invention, in the top surface and/or basal surface of the ring body
It is provided with least one second and goes to material portion.
In the cross slip-ring according to the present invention, ring body width court in radial directions
Direction to the portion that is slidably matched gradually is widened, and described second goes to material portion to be arranged on the annular
The those widened sections office of body.
In the cross slip-ring according to the present invention, it is slidably matched with described in the ring body
The 3rd is provided with the contrary surface in surface residing for portion and goes to material portion.
In the cross slip-ring according to the present invention, the portion of being slidably matched includes a pair first keys and one
To the second key, a pair in wherein the pair of first key and a pair second keys are used for and scroll compression
A pair of keyways in dynamic vortex in machine are engaged, and another to being used for and determining in screw compressor
A pair of keyways on vortex or main bearing seat are engaged.
In the cross slip-ring according to the present invention, the pair of first key and/or the pair of second key
Extend axially outward from the ring body and/or extend radially outwardly.
In the cross slip-ring according to the present invention, the portion of being slidably matched include a pair first keyways and
A pair second keyways, a pair in wherein the pair of first keyway and a pair second keyways be used for
A pair of keys in dynamic vortex in screw compressor is engaged, and another to for and screw compressor
In determine vortex or a pair of keys on main bearing seat be engaged.
Claims (15)
1. one kind is used for the cross slip-ring (10) of screw compressor (1), including：
Ring body (11), described ring body (11) include top surface (14), basal surface (15),
Inner side side surface (16) and outside side surface (17)；And
The portion that is slidably matched being arranged on the ring body (11),
Wherein, in the inner side side surface (16) and/or outside side table of the ring body (11)
At least one first are provided with face (17) goes to material portion (18).
2. according to claim 1 to cross slip-ring (10), wherein, described first removes material
Portion (18) is the form of substantially groove.
3. according to claim 1 and 2 to cross slip-ring (10), wherein, described first goes
Material portion (18) continuously or is discontinuously arranged along the circumferential direction of the ring body (11).
4. according to claim 3 to cross slip-ring (10), wherein, ring body (11)
Setting described in be slidably matched portion part at be not provided with described first and go to material portion (18).
5. according to claim 1 and 2 to cross slip-ring (10), wherein, described first goes
The depth in the radial direction in the ring body (11) in material portion (18) is along the ring
The circumferential direction of shape body (11) is tapered into towards the portion of being slidably matched；And/or described
One removes the width on the axial direction of the ring body (11) in material portion (18) along institute
The circumferential direction for stating ring body (11) is tapered into towards the portion of being slidably matched.
6. according to claim 1 and 2 to cross slip-ring (10), wherein, described first goes
Material portion (18) is asymmetrically formed in the ring body (11) relative to the ring body (11)
Inner side side surface (16) and outside side surface (17) on.
7. according to claim 1 and 2 to cross slip-ring (10), wherein, described first goes
The shape of cross section that opens along the radial direction cutting of the ring body (11) in material portion (18)
For horizontal U-shaped, c-type or L-type.
8. according to claim 1 and 2 to cross slip-ring (10), wherein, described first
Material portion (18) is gone to alternately form for the axial direction of the ring body (11)
Inner side side surface (16) and/or outside side surface (17) in the ring body (11)
At differing heights.
9. according to claim 1 and 2 to cross slip-ring (10), wherein, in the annular
The top surface (14) and/or basal surface (15) of body (11) is provided with least one second
Material portion (18').
10. according to claim 9 to cross slip-ring (10), wherein, the ring body
(11) width in radial directions is gradually widened towards the direction in the portion that is slidably matched, described
Second goes to material portion (18') to be arranged on the those widened sections office of the ring body (11).
11. cross slip-ring (10) according to claim 1 and 2, wherein, in the annular
The 3rd de-material is provided with the surface contrary with the surface residing for portion that is slidably matched of body (11)
Material portion (18 ").
12. cross slip-ring (10) according to claim 1 and 2, wherein, the slip is matched somebody with somebody
Conjunction portion includes a pair first keys (12,12) and a pair second keys (13,13), wherein described one
A pair in first key (12,12) and a pair second keys (13,13) are used for and scroll compression
A pair of keyways in dynamic vortex in machine are engaged, and another to being used for and determining in screw compressor
A pair of keyways on vortex or main bearing seat are engaged.
13. cross slip-ring (10) according to claim 12, wherein, the pair of first
Key (12,12) and/or the pair of second key (13,13) are from the ring body (11)
Extend axially outward and/or extend radially outwardly.
14. cross slip-ring (10) according to claim 1 and 2, wherein, the slip is matched somebody with somebody
Conjunction portion includes a pair first keyways and a pair second keyways, wherein the pair of first keyway and a pair
A pair in second keyway are used for being engaged with a pair of keys in the dynamic vortex in screw compressor, and
Another to for being engaged with the determine vortex in screw compressor or a pair of keys on main bearing seat.
15. a kind of screw compressor (1), including：
Determine vortex (3), determine vortex (3) are fixed relative to the housing of the screw compressor；
Dynamic vortex (4), dynamic vortex (4) cooperatively form multiple pressures with the determine vortex (3)
Contracting chamber；
Main bearing seat (8), described main bearing seat (8) are used for supporting the determine vortex (3) and institute
State dynamic vortex (4)；And
Cross slip-ring (10) according to any one of claim 1 to 14, the cross
Slip ring engage with the determine vortex (3) or the main bearing seat (8) and with the dynamic vortex (4)
Engagement.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510559687.7A CN106499632B (en) | 2015-09-06 | 2015-09-06 | Oldham ring for scroll compressor |
| PCT/CN2016/090216 WO2017036253A1 (en) | 2015-09-06 | 2016-07-15 | Oldham ring for scroll compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510559687.7A CN106499632B (en) | 2015-09-06 | 2015-09-06 | Oldham ring for scroll compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106499632A true CN106499632A (en) | 2017-03-15 |
| CN106499632B CN106499632B (en) | 2019-11-15 |
Family
ID=58286524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510559687.7A Active CN106499632B (en) | 2015-09-06 | 2015-09-06 | Oldham ring for scroll compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106499632B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024017410A1 (en) * | 2022-07-19 | 2024-01-25 | Copeland Climate Technologies (Suzhou) Co., Ltd. | Scroll compressor and oldham ring and mating component for scroll compressor |
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|---|---|---|---|---|
| US3994635A (en) * | 1975-04-21 | 1976-11-30 | Arthur D. Little, Inc. | Scroll member and scroll-type apparatus incorporating the same |
| JPH0261381A (en) * | 1988-08-24 | 1990-03-01 | Hitachi Ltd | Oldham's coupling of scroll compressor |
| JP2000283063A (en) * | 1999-03-26 | 2000-10-10 | Sanden Corp | Oldham's coupling for scroll fluid machinery |
| JP2001227478A (en) * | 2000-02-18 | 2001-08-24 | Fujitsu General Ltd | Scroll type compressor |
| CN201050479Y (en) * | 2007-03-27 | 2008-04-23 | 珠海格力电器股份有限公司 | Vortex compressor autorotation-proof device |
| CN103032315A (en) * | 2011-09-30 | 2013-04-10 | 丹佛斯（天津）有限公司 | Scroll compressor and coupling therefor |
| CN203441750U (en) * | 2013-08-22 | 2014-02-19 | 东睦新材料集团股份有限公司 | Cross slip ring for scroll compressor of automobile air conditioner |
| CN205025763U (en) * | 2015-09-06 | 2016-02-10 | 艾默生环境优化技术(苏州)有限公司 | Oldham ring for scroll compressor |
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2015
- 2015-09-06 CN CN201510559687.7A patent/CN106499632B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3994635A (en) * | 1975-04-21 | 1976-11-30 | Arthur D. Little, Inc. | Scroll member and scroll-type apparatus incorporating the same |
| JPH0261381A (en) * | 1988-08-24 | 1990-03-01 | Hitachi Ltd | Oldham's coupling of scroll compressor |
| JP2000283063A (en) * | 1999-03-26 | 2000-10-10 | Sanden Corp | Oldham's coupling for scroll fluid machinery |
| JP2001227478A (en) * | 2000-02-18 | 2001-08-24 | Fujitsu General Ltd | Scroll type compressor |
| CN201050479Y (en) * | 2007-03-27 | 2008-04-23 | 珠海格力电器股份有限公司 | Vortex compressor autorotation-proof device |
| CN103032315A (en) * | 2011-09-30 | 2013-04-10 | 丹佛斯（天津）有限公司 | Scroll compressor and coupling therefor |
| CN203441750U (en) * | 2013-08-22 | 2014-02-19 | 东睦新材料集团股份有限公司 | Cross slip ring for scroll compressor of automobile air conditioner |
| CN205025763U (en) * | 2015-09-06 | 2016-02-10 | 艾默生环境优化技术(苏州)有限公司 | Oldham ring for scroll compressor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024017410A1 (en) * | 2022-07-19 | 2024-01-25 | Copeland Climate Technologies (Suzhou) Co., Ltd. | Scroll compressor and oldham ring and mating component for scroll compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106499632B (en) | 2019-11-15 |
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