CN206364608U - stator punching and stator and compressor - Google Patents

Abstract

The utility model discloses a kind of stator punching and stator and compressor.Stator punching includes：Punching body, punching body is provided with rotor hole and three mounting holes, the internal perisporium of rotor hole is provided with multiple line embedding grooves, two of which mounting hole and another mounting hole are located at the both sides of rotor hole respectively, it is the first plane by the plane at another the mounting hole center and rotor hole center, punching body is made up of the relative symmetrical two half hitch components of the plane；The periphery wall of each half hitch component includes first straight line section, second straight line section, notch and end linkage section, the first straight line section of two half hitch components is connected, end linkage section is also connected, second straight line section is vertical with first straight line section, notch includes the first hypotenuse, the second hypotenuse and linkage section, and the first hypotenuse and the second hypotenuse be arranged in parallel.According to stator punching of the present utility model, while material is saved can ensure that magnetic is close is evenly distributed.

Description

Stator punching and stator and compressor

Technical field

The utility model is related to refrigeration technology field, in particular to a kind of stator punching and stator and compressor.

Background technology

In the prior art, use reciprocating structure freezer compressor more, due to the limitation of compressor interior spatial structure, and In order to save silicon steel sheet, similar rectangular structure being used stator, one of which parallel segment is longer, another group of parallel segment more It is shorter, in order to ensure the closely sealed reason of yoke portion magnetic, four corners of punching are arranged on screw hole more.

In recent years with the rising of cost pressure, compressor increasingly develops towards miniaturization, while in order to save into This, the mounting means of refrigerator compressor motor is installed via four traditional holes develops into the installation of three holes gradually, and three holes are installed When, in order to cost-effective, do not use structure design stator punching (i.e. the non-rectangle structure of stator) symmetrical above and below generally, This, which allows for stator punching, will not only take into account performance, and stock utilization when considering to arrange mould in design, using tradition Square structure undoubtedly can waste of materials.

Utility model content

The utility model is intended at least solve one of above-mentioned technical problem of the prior art to a certain extent.Therefore, A purpose of the present utility model is to propose a kind of saving material, the close uniform stator punching of yoke portion magnetic.

Another purpose of the present utility model is to propose a kind of stator with said stator punching.

Further object of the present utility model is to propose a kind of compressor with said stator.

According to the stator punching of the utility model first aspect, including：Punching body, the middle part of the punching body is provided with Rotor hole, the internal perisporium of the rotor hole is provided with multiple line embedding grooves circumferentially, and the punching body is provided with three Mounting hole, mounting hole site described in two of which is in the side of the rotor hole, and another described mounting hole site is in the rotor hole Opposite side, be the by the center of the mounting hole of the opposite side positioned at the rotor hole and the plane at center of the rotor hole One plane, the punching body is made up of the symmetrical two half hitch components of relatively described first plane；

The periphery wall of each described two half hitch components includes the first straight line section, second straight line section, otch being sequentially connected Portion and end linkage section, the first straight line section of two half hitch components are connected, the end of two half hitch components Portion's linkage section is connected, the bearing of trend for extending perpendicularly to the first straight line section of the second straight line section, described second Straightway is connected with first straight line section and the notch respectively, and the end linkage section is connected with the notch, institute Stating notch includes the first hypotenuse, the second hypotenuse and linkage section, and first hypotenuse and second hypotenuse be arranged in parallel, described First hypotenuse is connected with second straight line section, and second hypotenuse is connected with the end linkage section, the linkage section difference It is connected with first hypotenuse and the second hypotenuse.

According to stator punching of the present utility model, pass through the first hypotenuse and for being configured to include being parallel to each other by notch The linkage section of two hypotenuses and connection between, and realize that the installation to stator punching is positioned using three mounting holes, from And utilization rate of the stator punching when arranging mould can be effectively improved, while stator punching installation reliability is good.

In the utility model some preferred embodiments, the linkage section is formed as straightway.

Preferably, the distance between the center of the linkage section and the first plane are H1, the institute of each half hitch component The length for stating first straight line section is H2, wherein H1/H2=1/2.

In the utility model some preferred embodiments, multiple line embedding grooves include the multiple first sub- line embedding grooves and many Individual second sub- line embedding groove, the wire casing depth of the first sub- line embedding groove is less than the wire casing depth of the described second sub- line embedding groove, each The first sub- line embedding groove on the half hitch component closes on first plane.

In the utility model some preferred embodiments, the bottom land of the second sub- line embedding groove with the rotor hole The distance of the heart is H3, and the radius of the rotor hole is R, and wherein R/H3 span is 0.645~0.685.

Preferably, in the circumferential direction of the rotor hole, the line of the line embedding groove in the middle part of the half hitch component Groove depth is less than the wire casing depth of the described second sub- line embedding groove.

Further, the line embedding groove positioned at the middle part of the half hitch component includes the 3rd sub- line embedding groove and the 4th sub- rule Groove, the wire casing depth of the 3rd sub- line embedding groove is less than the wire casing depth of the 4th sub- line embedding groove, wherein by the rotor The center in hole and perpendicular to first plane plane be the second plane, it is flat that the 3rd sub- line embedding groove closes on described second Face.

In the utility model some preferred embodiments, by the center of the rotor hole and vertically flat with described first The plane in face is the second plane, and the line embedding groove on each half hitch component is symmetrical arranged relative to second plane.

According to the stator and compressor of second aspect of the present utility model, setting is any just like first aspect described to be determined Sub- punching.The stator and compressor had the advantage that with above-mentioned stator punching relative to prior art it is identical, herein not Repeat again.

Brief description of the drawings

Fig. 1 is the structural representation of the stator punching according to the utility model embodiment；

Fig. 2 is row's mould schematic diagram according to the stator punching of the utility model embodiment.

Reference：

Stator punching 100, punching body 1, rotor hole 11, the first mounting hole 12, the second mounting hole 13, first straight line section 14, second straight line section 15, notch 16, the first hypotenuse 161, the second hypotenuse 162, linkage section 163, end linkage section 17, first Sub- line embedding groove 21, the second sub- line embedding groove 22, the 3rd sub- line embedding groove 23, the 4th sub- line embedding groove 24, Projection Line Segment 3, the first plane I, Second plane II, the 3rd plane III, fourth plane IV.

Embodiment

Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng The embodiment for examining accompanying drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model Limitation.

In description of the present utility model, it is to be understood that term " " center ", " length ", " width ", " thickness ", The orientation or position relationship of the instruction such as " on ", " under ", "front", "rear", "left", "right", " top ", " bottom ", " interior ", " outer " be based on Orientation shown in the drawings or position relationship, are for only for ease of description the utility model and simplify description, rather than indicate or dark Specific orientation must be had, with specific azimuth configuration and operation by showing the device or element of meaning, therefore it is not intended that right Limitation of the present utility model.

In addition, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include one or more this feature.In description of the present utility model, " multiple " are meant that at least two, example Such as two, three etc., unless otherwise specifically defined.

In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be Mechanically connect or electrically connect or can communicate with one another；Can be joined directly together, the indirect phase of intermediary can also be passed through Even, can be two element internals connection or two elements interaction relationship.For one of ordinary skill in the art For, concrete meaning of the above-mentioned term in the utility model can be understood as the case may be.

The stator punching 100 according to the utility model embodiment is described referring to Fig. 1-Fig. 2.As Figure 1-Figure 2, root Include according to the stator punching 100 of the utility model embodiment：Punching body 1, the punching body 1 can be by two half hitch components one Body is formed.

Specifically, as depicted in figs. 1 and 2, the middle part of punching body 1 is provided with rotor hole 11, the internal perisporium of rotor hole 11 Provided with line embedding groove, wherein line embedding groove can be multiple, circumferentially extending of multiple line embedding grooves along rotor hole 11, while punching body 1 Provided with three mounting holes, mounting hole can include the first mounting hole 12 and the second mounting hole 13, two of which mounting hole (i.e. the One mounting hole 12) it is located at the side of rotor hole 11, another mounting hole (i.e. the second mounting hole 13) is located at the another of rotor hole 11 Side, and the second mounting hole 13 is located at the center of stator punching 100 in the direction of the width, the center of the second mounting hole 13 is passed through in setting Plane with the center of rotor hole 11 is the first plane I, and punching body 1 is by the symmetrical two half hitch components of relative first plane I Composition, advantageously, two half hitch components can be integrally formed, and thus the moulding process of stator punching 100 is simple, can effectively reduce Production cost.

Further, as shown in figure 1, the periphery wall of each half hitch component can include first straight line section 14, second straight line Section 15, notch 16 and end linkage section 17, first straight line section 14, second straight line section 15, notch 16 and end linkage section 17 It is sequentially connected from the bottom to top, further, the first straight line section 14 of two half hitch components is connected, and the end of two half hitch components connects Section 17 is connect also to be connected, and end linkage section 17 be arranged in parallel with first straight line section about 14, the bearing of trend of second straight line section 15 Perpendicular to first straight line section 14 bearing of trend, and second straight line section 15 respectively with first straight line section 14 and notch 16 be connected, Specifically, as shown in figure 1, the lower end of second straight line section 15 is connected with first straight line section 14, the upper end of second straight line section 15 is with cutting Oral area 16 is connected.

Further, end linkage section 17 is also connected with notch 16, specifically, the left end and otch of end linkage section 17 Portion 16 is connected, and the right-hand member of end linkage section 17 is connected with the left end of the end linkage section 17 of adjacent half hitch component, and notch 16 is wrapped The first hypotenuse 161, the second hypotenuse 162 and linkage section 163 are included, the first hypotenuse 161 and the second hypotenuse 162 be arranged in parallel, and first is oblique Side 161 and second straight line section 15 is connected, and the second hypotenuse 162 is connected with end linkage section 17, linkage section 163 respectively with the first hypotenuse 161 are connected with the second hypotenuse 162.So when arranging mould, the first hypotenuse 161 and the second hypotenuse 162 of stator punching 100 can be distinguished Realize that seamless or small gap is spliced with the second hypotenuse 162 and the first hypotenuse 161 of the stator punching 100 positioned at its both sides, so that Ensure stator punching 100 arrange mould when arrange it is compact, and then improve stock utilization.Thus it is easy to row's mould of stator punching 100, Save material.

Certainly, end linkage section 17 can be not limited to above-mentioned straightway, the row of the can also be die clearance of end linkage section 17 In arbitrary shape, thus can ensure that row's mould of stator punching 100 is compact, stock utilization is high.

According to the stator punching 100 of the utility model embodiment, by the way that notch 16 is configured to include what is be parallel to each other The linkage section 163 of first hypotenuse 161 and the second hypotenuse 162 and connection between, and utilize three mounting holes realizations pair The installation positioning of stator punching 100, so as to effectively improve stock utilization of the stator punching 100 when arranging mould, while stator The installation reliability of punching 100 is good.

In certain embodiments, linkage section 163 is formed as straightway, and the first hypotenuse 161 is parallel with the second hypotenuse 162 to be set Put, it is to be understood that set the angle between the first hypotenuse 161 and linkage section 163 as θ 1, the first hypotenuse 161 and linkage section Angle between 163 is θ 2, then θ 1=θ 2.

It is H1 to concurrently set the distance between center and first plane I of linkage section 163, and the first of each half hitch component is straight The length of line segment 14 is H2, wherein H1/H2=1/2.

Further, as shown in figure 1, setting up orthogonal 3rd plane III and the 4th by the center of linkage section 163 Plane IV, the 3rd plane III and fourth plane IV extend with above-below direction in left-right direction respectively, further, the first hypotenuse 161st, the second hypotenuse 162 and linkage section 163 meet following relation：First hypotenuse 161 can symmetrically be obtained by the second hypotenuse 162, tool Body, the left-half of the second hypotenuse 162 and linkage section 163 first symmetrically obtains Projection Line Segment 3, projection line along the 3rd plane III Section 3 symmetrically can obtain the right half part of the first hypotenuse 161 and linkage section 163 along fourth plane IV；I.e. in linkage section 163 Point arrives 15 (i.e. H1=H4) equal with the vertical range of the first plane I to stator punching 100 of second straight line section, so that fixed Sub- punching 100 is in punching identity, it is easier to arranges mould, and saves material.Simultaneously by setting the first hypotenuse 161, the second hypotenuse 162 and the shape and angle of linkage section 163 can ensure that the close distribution of the yoke portion magnetic of stator punching 100 is reasonable, it is to avoid high-magnetodensity, so as to have Beneficial to improvement motor performance.

In some preferred embodiments, as depicted in figs. 1 and 2, multiple line embedding grooves around rotor hole 11 radially Distribution, and the width of line embedding groove tapers off trend in the radially ecto-entad of rotor hole 11, meanwhile, the close rotor of line embedding groove The one end in the center of circle of hole 11 is configured to semiclosed mouth structure, is so easy to winding arrangement of the coil on stator punching 100.

Further, line embedding groove can include the first sub- line embedding groove 22 of sub- line embedding groove 21 and second, the first sub- line embedding groove 21 Can be multiple with the second sub- line embedding groove 22, specifically, as shown in figure 1, the first sub- line embedding groove 21 on each half hitch component It can be 2, the second sub- line embedding groove 22 can be 6, wherein 2 the first sub- line embedding grooves 21 are located above and below half hitch component respectively Two ends, and set close to the first plane I, 3 in the second sub- line embedding groove 22 are located at the upper end of half hitch component, and 3 are located in addition The lower end of half hitch component, the second sub- line embedding groove 22 of upper and lower ends is adjacent with the first sub- line embedding groove 21 of upper and lower ends respectively to be set Put.

Preferably, the wire casing depth of the first sub- line embedding groove 21 is less than the wire casing depth of the second sub- line embedding groove 22, that is to say, that The distance in the bottom of the first sub- line embedding groove 21 to the center of circle of rotor hole 11 is less than the second sub- bottom of line embedding groove 22 to the center of circle of rotor hole 11 Distance, so, the distance of the bottom of the first sub- line embedding groove 21 to the notch 16 of stator punching 100 and to the second mounting hole The distance at 13 edge was unlikely to closely, so as to ensure the yoke portion reasonable wide at two, so advantageously reduced iron loss, it is to avoid Magnetic is close too high, ensures motor performance；At the same time it can also be ensured that the Sizes of line bag 3 at the second mounting hole 13, it is to avoid stator exists Marshall springs interferes with line bag 3 and brings potential safety hazard when being installed in compressor.

Further, the radius R of rotor hole 11 can be 22mm~24.75mm, set the bottom land of the second sub- line embedding groove 22 Distance with the center of rotor hole 11 is H3, and R/H3 span is 0.645~0.685.

Of course, it should be understood that the number of the first sub- line embedding groove 21 is not limited to above-mentioned 6, the second sub- line embedding groove 22 The number for the first sub- line embedding groove 21 that number is not limited on above-mentioned 2, each half hitch component can be carried out according to actual conditions The number of the second sub- line embedding groove 22 on selection, each half hitch component can be selected according to actual conditions.

In some preferred embodiments, as shown in figure 1, in the circumferential direction of rotor hole 11, in half hitch component The wire casing depth of the line embedding groove in portion is less than the wire casing depth of the second sub- line embedding groove 22, further, positioned at the middle part of half hitch component Line embedding groove can include the 3rd sub- line embedding groove 24 of sub- line embedding groove 23 and the 4th, the 3rd sub- line embedding groove 24 of sub- line embedding groove 23 and the 4th Can be multiple, specifically, as shown in figure 1, the 3rd sub- line embedding groove 23 on each half hitch component can be 2, the 4th is sub Line embedding groove 24 can also be 2, set center Jing Guo rotor hole 11 and perpendicular to the first plane I plane as the second plane II, two the 3rd sub- line embedding grooves 23 are located above and below the second plane II respectively, and are set close to the second plane II, two 4th sub- line embedding groove 24 is also located above and below the second plane II respectively, and adjacent with two the 3rd sub- line embedding grooves 23 respectively Set.

Further, the wire casing depth of the 3rd sub- line embedding groove 23 is less than the wire casing depth of the 4th sub- line embedding groove 24, that is, Say, the distance of the bottom of the 3rd sub- line embedding groove 23 to the center of circle of rotor hole 11 is less than the bottom of the 4th sub- line embedding groove 24 to rotor hole 11 The distance in the center of circle, can so ensure that the 4th sub- line embedding groove 24 is unlikely to too small to the distance of second straight line section 15, so that should The magnetic at place is close to be reasonably distributed, so that the close uniformity of the magnetic for improving stator punching 100 and stator performance.

Of course, it should be understood that the number of the 3rd sub- line embedding groove 23 is not limited to above-mentioned 2, the 4th sub- line embedding groove 24 The number for the 3rd sub- line embedding groove 23 that number is not limited on above-mentioned 2, each half hitch component can be carried out according to actual conditions The number of the 4th sub- line embedding groove 24 on selection, each half hitch component can be selected according to actual conditions.

Alternatively, the wire casing deep equality that the wire casing depth of the 4th sub- line embedding groove 24 can be with the first sub- line embedding groove 21, Can be with unequal, so, by making the first sub- line embedding groove 21, the second sub- line embedding groove 22, the 3rd sub- of line embedding groove 23 and the 4th embedding Wire casing 24 has different wire casing depth respectively, it is ensured that the distance at the every edge of sub- line embedding groove to stator punching 100 is substantially Identical, so that yoke portion reasonable wide everywhere, magnetic is close to be evenly distributed, and then improves the performance of stator punching 100, it is ensured that stator The reliable and security installed.

Further, the facewidth size formed between adjacent line embedding groove can be that 2.0mm~3.0mm, i.e. B2 can be 2.0mm~3.0mm, arrangement of such line embedding groove on punching body 1 is compact, and gap is reasonable.

Advantageously, the line embedding groove on each half hitch component is symmetrical above and below relative to the second plane II is set, and two half hitches Component is symmetrical set relative to the first plane I, such stator punching 100 it is simple and reasonable, it is easy to process.

In summary, it is simple and reasonable according to the stator punching 100 of the utility model embodiment, it is easy to process so that In the case that stator punching 100 is positioned in three holes, it can still implement relatively to save row's mould mode of material.

Simultaneously while ensureing to save material, by setting the line embedding groove of different wire casing depth in diverse location, make each Yoke portion size uniform at individual line embedding groove, both can guarantee that the reasonability of the yoke portion size of stator punching 100, ensure that what stator was installed Reliability, improves the performance of stator punching 100.

The utility model additionally provides a kind of stator, and the stator includes above-mentioned stator punching 100, so as to save stator Material, and the installation reliability of stator is good, improves the performance and security of stator.

The utility model also proposes a kind of compressor, and the compressor includes above-mentioned stator.So as to save stator material, Reduce cost.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means to combine specific features, structure, material or the spy that the embodiment or example are described Point is contained at least one embodiment of the present utility model or example.In this manual, to the schematic table of above-mentioned term State and be necessarily directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be with Combined in an appropriate manner in any one or more embodiments or example.In addition, those skilled in the art can be by Not be the same as Example or example described in this specification are engaged and combined.

Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in scope of the present utility model It is interior above-described embodiment to be changed, changed, replaced and modification.

Claims (10)

1. a kind of stator punching, it is characterised in that including：Punching body, the middle part of the punching body is provided with rotor hole, described The internal perisporium of rotor hole is provided with multiple line embedding grooves circumferentially, and the punching body is provided with three mounting holes, wherein Two mounting hole sites are in the side of the rotor hole, and another described mounting hole site is in the opposite side of the rotor hole, warp The plane for crossing the center of the mounting hole of the opposite side positioned at the rotor hole and the center of the rotor hole is the first plane, described Punching body is made up of the symmetrical two half hitch components of relatively described first plane；

First straight line section that the periphery wall of each described two half hitch components includes being sequentially connected, second straight line section, notch and End linkage section, the first straight line section of two half hitch components is connected, and the end of two half hitch components connects Connect section to be connected, the bearing of trend for extending perpendicularly to the first straight line section of the second straight line section, the second straight line Section is connected with first straight line section and the notch respectively, and the end linkage section is connected with the notch, described to cut Oral area includes the first hypotenuse, the second hypotenuse and linkage section, and first hypotenuse and second hypotenuse be arranged in parallel, and described first Hypotenuse and the second straight line section are connected, and second hypotenuse is connected with the end linkage section, the linkage section respectively with institute State the first hypotenuse and the second hypotenuse is connected.

2. stator punching according to claim 1, it is characterised in that the linkage section is formed as straightway.

3. stator punching according to claim 2, it is characterised in that between the center of the linkage section and the first plane Distance is H1, and the length of the first straight line section of each half hitch component is H2, wherein H1/H2=1/2.

4. stator punching according to claim 1, it is characterised in that multiple line embedding grooves include the multiple first sub- rules Groove and multiple second sub- line embedding grooves, the wire casing depth of the first sub- line embedding groove are less than the wire casing depth of the described second sub- line embedding groove The first sub- line embedding groove on degree, each half hitch component closes on first plane.

5. stator punching according to claim 4, it is characterised in that the bottom land of the second sub- line embedding groove and the rotor The distance at the center in hole is H3, and the radius of the rotor hole is R, and wherein R/H3 span is 0.645~0.685.

6. stator punching according to claim 4, it is characterised in that in the circumferential direction of the rotor hole, positioned at institute The wire casing depth for stating the line embedding groove in the middle part of half hitch component is less than the wire casing depth of the described second sub- line embedding groove.

7. stator punching according to claim 6, it is characterised in that the line embedding groove bag positioned at the middle part of the half hitch component The 3rd sub- line embedding groove and the 4th sub- line embedding groove are included, the wire casing depth of the 3rd sub- line embedding groove is less than the 4th sub- line embedding groove Wire casing depth, wherein center Jing Guo the rotor hole and plane perpendicular to first plane is the second plane, described the Three sub- line embedding grooves close on second plane.

8. the stator punching according to any one of claim 1-7, it is characterised in that by the rotor hole center and It is vertically the second plane with the plane of first plane, the line embedding groove on each half hitch component is relative to described the Two planes are symmetrical arranged.

9. a kind of stator, it is characterised in that including the stator punching according to any one of claim 1-8.

10. a kind of compressor, it is characterised in that including stator according to claim 9.