CN208396933U - Rotary compressor and its slide plate - Google Patents

Abstract

The utility model discloses a kind of rotary compressor and its slide plates, both side surface on the thickness direction of the slide plate is cylinder chamber division surface, both ends in the glide direction of the slide plate are respectively apex and tail end, and the both side surface in the short transverse of the slide plate is slide surface；The step groove for penetrating through the tail end is formed at least one of two described slide surfaces.Slide plate according to the present utility model can not only reduce the power consumption of rotary compressor by the way that step groove is arranged on slide surface, and can reduce gas leakage, while the structure of step groove is simple, facilitates processing.

Description

Rotary compressor and its slide plate

Technical field

The utility model relates to field of refrigeration equipments, more particularly, to a kind of rotary compressor and its slide plate.

Background technique

In the related technology, the upper and lower surfaces of slide plate and bearing or middle partition plane contact, the upper and lower surfaces and axis of slide plate Hold or middle partition between frictional force it is bigger, the wasted work of compressor is bigger.In order to reduce the power consumption of friction initiation and avoid slide plate The stuck problem of movement, usually by slide plate be set as with cylinder have certain difference in height.But the gap that this difference in height is formed Compressed gas will be will lead to be leaked from high pressure chest to low pressure chamber, so that the performance of compressor declines.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model exists In proposing a kind of slide plate for rotary compressor, the slide plate can not only be dropped by the way that step groove is arranged on slide surface The power consumption of low rotary compressor, and can reduce gas leakage, while the structure of step groove is simple, facilitates processing.

The utility model also proposes a kind of rotary compressor with above-mentioned slide plate.

According to the slide plate for rotary compressor of the utility model first aspect embodiment, the thickness side of the slide plate Upward both side surface is cylinder chamber division surface, and the both ends in the glide direction of the slide plate are respectively apex and tail end, institute Stating the both side surface in the short transverse of slide plate is slide surface；Perforation is formed at least one of two described slide surfaces The step groove of the tail end.

According to the slide plate for rotary compressor of the utility model embodiment, by the way that step is arranged on slide surface Slot, can not only reduce the power consumption of rotary compressor, and can reduce gas leakage, at the same the structure of step groove it is simple, Facilitate processing.

In some embodiments, the step groove is along from the apex to the close cunning of the direction of tail end direction The direction of the height center line of piece gradually rises rank extension.

In some embodiments, the step groove be two stage steps slot and including along from the apex to the tail end according to A stage and two stage steps section for secondary arrangement, wherein the single-order groove depth H1 of a stage and the two stage steps The single-order groove depth H2 of section meets relationship: H1 > H2 perhaps H1 < H2 or H1=H2, the single-order flute length of a stage L1 and the single-order flute length L2 of the two stage steps section meet relationship: L1 > L2 perhaps L1 < L2 or L1=L2.

In some embodiments, when being formed with the step groove in only one of them in two slide surfaces and work as H2 When > H1,1 H2/H1≤5 <.

In some embodiments, 0.2≤L2/L1≤10.

In some embodiments, when being formed with the step groove in only one of them in two slide surfaces and work as H2 When < H1,0.2≤H2/H1 < 1.

In some embodiments, H2/H1=0.866 ± 0.1.

In some embodiments, 1≤L2/L1≤10.

In some embodiments, L2/L1=2.549 ± 0.5.

In some embodiments, the flute length L of the step groove meets: 0 < L≤Lv-2e, and wherein Lv is the length of the slide plate Degree, e is eccentricity.

In some embodiments, the ratio between thickness W of the maximum groove width W1 of the step groove and the slide plate meets: 1/6≤ W1/W≤2/3。

In some embodiments, the step groove is not penetrated the apex and is not penetrated any cylinder chamber division surface.

In some embodiments, the step groove is formed in only one of them in two slide surfaces.

According to the rotary compressor of the utility model second aspect embodiment, including according to the utility model first aspect The slide plate for rotary compressor.

According to the rotary compressor of the utility model embodiment, by the way that pressing for rotary for above-mentioned first aspect is arranged The slide plate of contracting machine, to improve the overall performance of rotary compressor.

In some embodiments, the rotary compressor is vertical rotating formula compressor, described in two of the slide plate Slide surface is spaced apart up and down, wherein has the step groove, the sliding being located above on the underlying slide surface Do not have the step groove on face.

The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description In become obvious, or recognized by the practice of the utility model.

Detailed description of the invention

Fig. 1 is the main view according to the slide plate of the utility model one embodiment；

Fig. 2 is the bottom view according to the slide plate of the utility model one embodiment；

Fig. 3 is the bottom view according to the slide plate of the utility model one embodiment；

Fig. 4 is the graph of relation of the W1/W and rotary compressor performance according to the utility model one embodiment；

Fig. 5 is the graph of relation that height h is jacked up according to the L and slide plate of the utility model one embodiment；

Fig. 6 is the sectional view according to the slide plate of the utility model one embodiment；

Fig. 7 is the sectional view according to the slide plate of the utility model one embodiment；

Fig. 8 is the graph of relation that H2/H1 shown in Fig. 7 and slide plate jack up height h；

Fig. 9 is the graph of relation that L2/L1 shown in Fig. 7 and slide plate jack up height h.

Appended drawing reference:

Slide plate 100: cylinder chamber division surface 1；Apex 2；Tail end 3；Slide surface 4；Step groove 5；Step surface 50；One stage 51；Two stage steps section 52.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model Limitation.

Following disclosure provides many different embodiments or example is used to realize the different structure of the utility model.For The disclosure of simplified the utility model, is hereinafter described the component of specific examples and setting.Certainly, they are only and show Example, and purpose does not lie in limitation the utility model.In addition, the utility model can in different examples repeat reference numerals And/or letter.This repetition is for purposes of simplicity and clarity, itself not indicate discussed various embodiments and/or set Relationship between setting.In addition, the example of various specific techniques and material that the utility model provides, but this field is common Technical staff can be appreciated that the applicable property of other techniques and/or the use of other materials.

In the following, describing the rotary compressor according to the utility model embodiment first.

Type according to the rotary compressor of the utility model embodiment is unlimited, such as can be vertical compressor, sleeping Formula compressor, single cylinder compressor, multicylinder compressor etc., different according to the type of rotary compressor, specific composition is different.But It is rotary compressor no matter what type, may each comprise rotary compression mechanism, rotary compression mechanism includes sliding Piece 100.

Specifically, rotary compression mechanism can also include at least one cylinder, be located at each cylinder axial sides Piston supporting member (such as base bearing, supplementary bearing, middle partition) and be located in each cylinder chamber, wherein each cylinder can be with With air entry, exhaust outlet and the sliding vane groove radially extended along cylinder；The cylinder chamber of each cylinder and the bearing of its axial sides Compression chamber is limited between part jointly, each piston can be rolled along corresponding compression cavity wall.

The slide plate 100 of an extending direction slip along sliding vane groove, each slide plate 100 are respectively set in each sliding vane groove Short transverse F3 on both side surface (being slide surface 4) respectively with the supporting member sliding friction of respective cylinder axial sides, Both ends on the glide direction F2 of slide plate 100 are respectively apex 2 and tail end 3, are existed when between the apex 2 and tail end 3 of slide plate 100 When pressure difference, slide plate 100 can occur sliding and during sliding, the apex 2 of slide plate 100 can extend into compression chamber with The periphery wall of piston only supports, so that the both side surface (being cylinder chamber division surface 1) on the thickness direction F1 of slide plate 100 can be with Compression chamber is separated into " suction chamber being connected to air entry " and " discharge chamber being connected to exhaust outlet " jointly by the periphery wall of piston, In this way, the volume of suction chamber and discharge chamber constantly changes, so that wait press with the rolling of piston and the sliding of slide plate 100 The refrigerant of contracting can be drawn into compression chamber by air entry to be compressed, and is then discharged to outside compression chamber from exhaust outlet again, in turn Realize the compression work of refrigerant.

Then ,-Fig. 9 referring to Fig.1, description is according to the slide plate 100 for rotary compressor of the utility model embodiment.

In conjunction with above, and referring to Figures 1 and 2, the both side surface on 100 thickness direction F1 of slide plate is cylinder chamber division surface Both ends on 1,100 glide direction F2 of slide plate are respectively apex 2 and tail end 3, and the both side surface on 100 short transverse F3 of slide plate is equal For slide surface 4, step groove 5 is formed at least one of two slide surfaces 4, that is to say, that can only have a slide surface 4 On be formed with step groove 5, step groove 5 can be respectively formed on two slide surfaces 4.

Here, it should be noted that " step groove " as described herein refers to: including along from apex 2 to the side of tail end 3 To the multi-stage stairs section (such as a stage 51 and two stage steps section 52) being arranged successively, the step surface 50 of every stage is equal It is parallel to or is in substantially parallel relationship to corresponding slide surface 4, but the step surface 50 per adjacent two-stage step section slides with corresponding The distance between face 4 is unequal, wherein " corresponding slide surface 4 " refers to the slide surface 4 for being formed with the step groove 5.In addition, As depicted in figs. 1 and 2, width of the step groove 5 on 100 thickness direction F1 of slide plate is groove width, and step groove 5 slides in slide plate 100 Length on the F2 of direction is flute length, and depth of the step groove 5 on 100 short transverse F3 of slide plate is groove depth.

As depicted in figs. 1 and 2, step groove 5 penetrates through tail end 3, that is to say, that has on tail end 3 and opens with what step groove 5 was connected to Mouthful, opening of the opening as step groove 5 at tail end 3, so that lubricating oil can be entered by the opening at tail end 3 In step groove 5.As a result, by opening up 100 tail end 3 of penetration slipping sheet at least one of two slide surfaces 4 in slide plate 100 Step groove 5, so as to using step groove 5 as movement slide plate 100 oil supply gallery, make oil sump in rotary compressor In the gap that can be entered between slide plate 100 and sliding vane groove by step groove 5 of lubricating oil, and/or enter slide plate 100 and bearing Gap between part.In this way, the sealing situation between slide surface 4 and supporting member on the one hand can be improved, reduce in cylinder chamber The leakage problem of high pressure refrigerant.On the other hand it can improve the lubrication circumstances between slide surface 4 and supporting member, and then can reduce The power consumption of rotary compressor because of caused by the sliding friction between slide surface 4 and supporting member.

In addition, it is necessary to which explanation, step groove 5 are skillfully constructed, compared to wedge groove, arc groove etc., phase can be obtained Close technical effect, but since the processing of step groove 5 only needs to process multiple planes, rather than inclined-plane needed for processing wedged slot, Curved surface needed for arc groove meets production demand so as to reduce difficulty of processing.

In short, according to the slide plate 100 of the utility model embodiment, by the way that step groove 5 is arranged on slide surface 4, not only Rotary compressor power consumption can be reduced, and can reduce gas leakage, while the simple structure and convenient processing of step groove 5, It is easy to reach required precision.

For example, when the vertical setting of slide plate 100 and when height is lower than the height of cylinder, if the slide surface 4 of the lower section of slide plate 100 On be formed with step groove 5, when in the step groove 5 enter lubricating oil when can form oil film, on the one hand, the oil film pressure of generation can To jack up slide plate 100 upwards, thus between reducing between the 100 top supporting member of slide surface 4 and slide plate of 100 top of slide plate Gap, to reduce the cooling capacity leakage problem of the gap location, (the high pressure compressed refrigerant i.e. in reduction cylinder chamber is by the gap to low The problem of pressing chamber leakage), and then improve the efficiency of rotary compressor；On the other hand, the oil film of generation can increase slide plate Lubricants capacity between 100 and 100 lower section supporting member of slide plate improves the overall performance of compressor to lower friction power loss.

For example, when 100 vertical setting of slide plate, if step groove 5 is formed on the slide surface 4 of 100 top of slide plate, when this Oil film can be formed when entering lubricating oil in step groove 5, on the one hand, the oil film pressure of generation can reduce 100 top of slide plate Gap between 100 top supporting member of slide surface 4 and slide plate to reduce the cooling capacity leakage problem of the gap location, and then is improved The efficiency of rotary compressor；On the other hand, the oil film of generation can increase slide plate 100 and 100 top supporting member of slide plate it Between lubricants capacity improve the overall performance of compressor to lower friction power loss.

In some embodiments of the utility model, as shown in Figure 1, being formed in only one of them in two slide surfaces 4 Step groove 5.That is, not having step groove 5 on another in two slide surfaces 4.Thus, it is possible to avoid two slide surfaces The problem of 4 oil film pressures for all opening up in two sides step groove 5 caused by step groove 5 may cancel out each other, to improve sealing Effect and lubricant effect.

In some embodiments of the utility model, as depicted in figs. 1 and 2, step groove 5 is not penetrated apex 2 and is not penetrated Any cylinder chamber division surface 1.That is, step groove 5 is not connected to apex 2, therefore the lubricating oil in step groove 5 will not be from elder generation End 2 enters in cylinder chamber, and step groove 5 is not also connected to cylinder division surface 1, therefore the lubricating oil in step groove 5 will not be from Both side surface on 100 thickness direction F1 of slide plate enters in cylinder chamber.Thus, it is possible to which reduce rotary compressor spits oil cut rate.

In addition, when processing, can height center line L0 by step groove 5 from from slide surface 4 to slide plate 100 direction concave shape At thus facilitating processing.In addition, the cross-sectional shape of step groove 5 is unlimited, such as in the illustrated example shown in fig. 2, step groove 5 Cross section can be rectangle, in another example in the example depicted in fig. 3, the cross section of step groove 5 can be it is trapezoidal, in addition, step The cross section of slot can also be other shapes, such as U-shaped etc..

In some embodiments of the utility model, as shown in figure 4, the thickness of maximum the groove width W1 and slide plate 100 of step groove 5 The ratio between degree W can satisfy: 1/6≤W1/W≤2/3.Thus, it is possible to do the width of step groove 5 as far as possible greatly, can mention in this way The lubricating oil inlet of high step groove 5, so that the oil film pressure in step groove 5 can improve as far as possible with lubricants capacity, thus The sealing performance and lubricating condition between slide plate 100 and supporting member can be improved, to promote the property of rotary compressor as far as possible Energy.In addition, as shown in figure 4, can be reflected in this experimental data, as W1/W=1/2, the performance of rotary compressor compared with It is excellent.

In addition, it is necessary to explanation, the utility model Fig. 4-Fig. 5, Fig. 8-curve graph shown in Fig. 9 are only to reflect that variation becomes The qualitative profile of gesture, and non-quantitation profile.

In some embodiments of the utility model, as shown in figure 5, the flute length L of step groove can satisfy relationship: 0 < L≤ Lv-2e, wherein Lv is the length of slide plate, and e is the eccentricity of rotary compressor.As a result, the length of step groove 5 can be as far as possible It does greatly, the lubricating oil inlet of step groove 5 can be improved in this way, so that the oil film pressure in step groove 5 all may be used with lubricants capacity To improve as far as possible, so as to improve the sealing performance and lubricating condition between slide plate 100 and supporting member, to promote rotation as far as possible The performance of rotary compressor.It should be noted that, the concept of eccentric distance e is well known to those skilled in the art, i.e., rotatably herein The distance between the central axis of eccentric part on the central axis and crankshaft of the crankshaft of compressor.

In some embodiments of the utility model, as shown in Figure 6 and Figure 7, step groove 5 is along from apex 2 to tail end 3 Direction towards close to slide plate 100 height center line L0 direction gradually rise rank extension.That is, from apex 2 to tail end 3 Direction, step groove 5 gradually rises rank so that the groove depth of step groove 5 increases stepwise, so that step groove 5 penetrates through at tail end 3 Open height out is bigger.As a result, during slide plate 100 moves, lubricating oil can be more easier and effectively enter Into step groove 5, lubricating oil can be entered well in step groove 5 by, which making, forms oil film, to obtain better seal and lubrication effect Fruit to preferably improve cooling capacity leakage problem, and improves the performance of rotary compressor, reduces the energy of rotary compressor Consumption.

Such as in the example depicted in fig. 6, step groove 5 be two stage steps slot and including along from apex 2 to tail end 3 successively A stage 51 and two stage steps section 52 for arrangement, when the step groove 5 is above-mentioned liter of stage structure, step groove 5 is in level-one platform Groove depth at stage 51 is equal to the single-order groove depth H1 (H ' as shown in Figure 6=H1) of a stage 51, and step groove 5 is in second level Groove depth at step section 52 is equal to the sum of the single-order groove depth H1 of a stage 51 and the single-order groove depth H2 of two stage steps section 52 (such as H " shown in Fig. 6=H1+H2), therefore, along from apex 2 to the direction of tail end 3, the groove depth of step groove 5 is gradually increased, this When, illustrate step groove 5 along from apex 2 to the direction of tail end 3 towards close to slide plate 100 height center line L0 direction by The rank that edges up extends.The structure of step groove 5 is simple as a result, easy to process, and can reach above-mentioned sealing and lubricant effect.

Certainly, the utility model is without being limited thereto, and in the other embodiments of the utility model, step groove 5 can also include More stages, moreover, step groove 5 can also be along from apex 2 to tail end 3 in the other embodiments of the utility model Direction be directed away from the direction of height center line L0 of slide plate 100 gradually depression of order extend (not shown go out the example), that is, Say, from apex 2 to the direction of tail end 3, step groove 5 gradually depression of order so that the groove depth of step groove 5 reduces stepwise, thus preferably full The different actual requirement of foot, is not described herein in detail.

Specifically, the ratio of the single-order groove depth H2 of the single-order groove depth H1 and two stage steps section 52 of an above-mentioned stage 51 Relationship can specifically be set according to actual requirement, such as can be H1 > H2 H1 < H2 or H1=H2.Moreover, The proportionate relationship of the single-order flute length L2 of the single-order flute length L1 and two stage steps section of an above-mentioned stage 51 can also be according to reality It is required that specific setting, such as can be L1 > L2 L1 < L2 or L1=L2.

Such as in a wherein optional example, as shown in fig. 6, being formed with when in only one of them in two slide surfaces 4 Step groove 5 and as H2 > H1,1 H2/H1≤5 <.Thus, it is possible to meet preferably sealing and lubricant effect.At this point, if 0.2≤L2/L1≤10, can preferably be sealed and lubricant effect with further satisfaction.In addition, it should be noted that, can generate The reason of technical effect described in this paragraph, will elaborate in specific embodiment later, not repeat here.

In another example in another optional example, as shown in fig. 7, when being formed in only one of them in two slide surfaces 4 There is step groove 5 and as H2 < H1,0.2≤H2/H1 < 1.Thus, it is possible to meet preferably sealing and lubricant effect.At this point, If 1≤L2/L1≤10, can preferably be sealed with further satisfaction and lubricant effect.Moreover, working as H2/H1=0.866 ± 0.1 When, and/or, when ± 0.5 L2/L1=2.549, it can further meet preferably sealing and lubricant effect.Furthermore, it is necessary to The reason of illustrating, capable of generating technical effect described in this paragraph will elaborate in specific embodiment later, here It does not repeat.

Below with reference to rotary compressor, the concrete application embodiment of slide plate is introduced.

Embodiment one

Rotary compressor is vertical rotating formula compressor, and about 4 two slide surfaces of slide plate 100 are spaced apart, wherein position In having step groove 5 on the slide surface 4 of lower section, do not have step groove 5 on the slide surface 4 being located above.As shown in connection with fig. 6, platform Rank slot 5 meets: 1 H2/H1≤5 <.As a result, during 100 sliding motion of slide plate, it is ensured that step groove 5 can more preferable real estate Raw dynamic pressure oil film reduces the gap between the slide surface 4 and the supporting member of top of top to preferably jack up slide plate 100, into And reduce the gap generation cooling capacity leakage, and can reduce lower section slide surface 4 and the supporting member of lower section between friction, And then reduce the power problems because of caused by friction.

In the present embodiment one, as shown in connection with fig. 6,0.2≤L2/L1≤10.As a result, in the mistake of 100 sliding motion of slide plate Cheng Zhong, it is ensured that step groove 5 can preferably generate dynamic pressure oil film, to preferably jack up slide plate 100, reduce the slide surface of top Gap between 4 and the supporting member of top, and then reduce the cooling capacity leakage of gap generation, and can reduce the sliding of lower section Friction between face 4 and the supporting member of lower section, and then reduce the power problems because of caused by friction.

Embodiment two

Rotary compressor is vertical rotating formula compressor, and about 4 two slide surfaces of slide plate 100 are spaced apart, wherein position In having step groove 5 on the slide surface 4 of lower section, do not have step groove 5 on the slide surface 4 being located above.As shown in connection with fig. 7, platform Rank slot 5 meets: 0.2≤H2/H1 < 1.As a result, during 100 sliding motion of slide plate, it is ensured that step groove 5 can be preferably Dynamic pressure oil film is generated, to preferably jack up slide plate 100, reduces the gap between the slide surface 4 and the supporting member of top of top, And then reduce the gap generation cooling capacity leakage, and can reduce lower section slide surface 4 and the supporting member of lower section between rub It wipes, and then reduces the power problems because of caused by friction.Further, sliding when ± 0.1 H2/H1=0.866 in conjunction with Fig. 8 The jack-up height of piece 100 is higher, so as to meet preferably sealing and lubricant effect, that is, seals best, leakage minimum, performance It is optimal, best, friction minimum, power consumption minimum are lubricated, so that the overall performance of rotary compressor is obviously improved.

In the present embodiment two, as shown in connection with fig. 7,1≤L2/L1≤10.As a result, in the process of 100 sliding motion of slide plate In, it is ensured that step groove 5 can preferably generate dynamic pressure oil film, to preferably jack up slide plate 100, reduce the slide surface 4 of top Gap between the supporting member of top, and then reduce the cooling capacity leakage of gap generation, and can reduce the sliding of lower section Friction between face 4 and the supporting member of lower section, and then reduce the power problems because of caused by friction.Further, in conjunction with Fig. 9, When ± 0.5 L2/L1=2.549, the jack-up height of slide plate 100 is higher, so as to meet preferably sealing and lubricant effect, Best, leakage minimum, best performance are sealed, lubrication is best, friction is minimum, power consumption is minimum, so that rotatably pressing The overall performance of contracting machine is obviously improved.

In addition, according to other compositions such as driving motor of the rotary compressor of the utility model embodiment etc. and behaviour Make all to be known for those of ordinary skills, be not detailed herein.

In the description of the present invention, it should be understood that term " center ", " length ", " width ", " thickness ", The orientation or positional relationship of the instructions such as "upper", "lower", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure or position Relationship is set, is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning It must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be It is connected directly, the mutual of connection inside two elements or two elements can also be can be indirectly connected through an intermediary Interactively.For the ordinary skill in the art, it can understand that above-mentioned term is practical new at this as the case may be Concrete meaning in type.

In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down " It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special Sign can be fisrt feature above the second feature " above ", " above " and " above " and be directly above or diagonally above the second feature, or only Indicate that first feature horizontal height is higher than second feature.Fisrt feature under the second feature " below ", " below " and " below " can be with It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into Row combination and combination.

While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that: These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective And modification, the scope of the utility model are defined by the claims and their equivalents.

Claims (15)

1. a kind of slide plate for rotary compressor, which is characterized in that the both side surface on the thickness direction of the slide plate is equal For cylinder chamber division surface, the both ends in the glide direction of the slide plate are respectively apex and tail end, the short transverse of the slide plate On both side surface be slide surface；Wherein, the perforation tail end is formed at least one of two described slide surfaces Step groove.

2. the slide plate according to claim 1 for rotary compressor, which is characterized in that the step groove is along from institute It states apex and gradually rises rank extension to the direction of the tail end towards the direction of the height center line close to the slide plate.

3. the slide plate according to claim 2 for rotary compressor, which is characterized in that the step groove is second level platform Rank slot and including along the stage and two stage steps section being arranged successively from the apex to the tail end, wherein

The single-order groove depth H1 of one stage and the single-order groove depth H2 of the two stage steps section meet relationship: H1 > H2, or Person H1 < H2 or H1=H2,

The single-order flute length L1 of one stage and the single-order flute length L2 of the two stage steps section meet relationship: L1 > L2, or Person L1 < L2 or L1=L2.

4. the slide plate according to claim 3 for rotary compressor, which is characterized in that when in two slide surfaces The step groove is formed on only one of them and as H2 > H1,1 H2/H1≤5 <.

5. the slide plate according to claim 4 for rotary compressor, which is characterized in that 0.2≤L2/L1≤10.

6. the slide plate according to claim 3 for rotary compressor, which is characterized in that when in two slide surfaces The step groove is formed on only one of them and as H2 < H1,0.2≤H2/H1 < 1.

7. the slide plate according to claim 6 for rotary compressor, which is characterized in that H2/H1=0.866 ± 0.1.

8. the slide plate according to claim 6 for rotary compressor, which is characterized in that 1≤L2/L1≤10.

9. the slide plate according to claim 8 for rotary compressor, which is characterized in that L2/L1=2.549 ± 0.5.

10. the slide plate according to claim 1 for rotary compressor, which is characterized in that the flute length L of the step groove Meet: 0 < L≤Lv-2e, wherein Lv is the length of the slide plate, and e is eccentricity.

11. the slide plate according to claim 1 for rotary compressor, which is characterized in that the maximum of the step groove The ratio between thickness W of groove width W1 and the slide plate meets: 1/6≤W1/W≤2/3.

12. the slide plate according to claim 1 for rotary compressor, which is characterized in that the step groove is not penetrated The apex and it is not penetrated any cylinder chamber division surface.

13. the slide plate of rotary compressor is used for described in any one of -12 according to claim 1, which is characterized in that two institutes It states and is formed with the step groove in only one of them in slide surface.

14. a kind of rotary compressor, which is characterized in that including according to claim 1 to 13 for rotating The slide plate of formula compressor.

15. rotary compressor according to claim 14, which is characterized in that the rotary compressor is vertical rotating Two slide surfaces of formula compressor, the slide plate are spaced apart up and down, wherein have institute on the underlying slide surface Step groove is stated, does not have the step groove on the slide surface being located above.