CN205639267U - A compressor that is used for supplementary bearing of compressor and has it - Google Patents

Abstract

The utility model discloses a compressor that is used for supplementary bearing of compressor and has it. The countershaft contracting draw together: flange portion, flange portion include first plane and the second plane right with first plane phase, wheel hub portion, wheel hub portion establish on first plane, connect crotch portion, connect crotch portion and establish on first plane, connect crotch portion and include the first surface that links to each other with first plane and the second surface that links to each other with wheel hub portion, are equipped with the chamfer between first surface and the second surface, and wherein the thickness of flange portion be T, and the thickness of connecting crotch portion be t, and wherein when the annular groove is not established on the second plane, the thickness t of connection crotch portion arrives the distance between the first inclined plane for the chamfer, tT >= 1.1, when the annular groove is established on the second plane, chamfer to the thickness t of the minimum distance between the annular groove for connecting crotch portion, tT >= 1.05. According to the utility model discloses a supplementary bearing is favorable to improving the rigidity of supplementary bearing, improves the efficiency of compressor.

Description

For the supplementary bearing of compressor and the compressor with it

Technical field

This utility model relates to Compressor Technology field, especially relates to a kind of supplementary bearing for compressor and has its pressure Contracting machine.

Background technology

In correlation technique, the efficiency of compressor is low, it is impossible to meet user's energy saving requirement to air-conditioner.

Utility model content

One of technical problem that this utility model is intended to solve in correlation technique the most to a certain extent.To this end, this practicality is new Type proposes a kind of supplementary bearing for compressor, is conducive to improving the efficiency of compressor.

This utility model also proposes a kind of compressor, including the above-mentioned supplementary bearing for compressor.

According to the supplementary bearing for compressor of this utility model embodiment, including: flange portion, described flange portion includes first Plane and second plane relative with described first plane；Hub portion, described hub portion is located in described first plane, connects Crotch, described connection crotch is located in described first plane, and described connection crotch includes first be connected with described first plane Surface and the second surface being connected with described hub portion, be provided with chamfering between described first surface and described second surface, wherein The thickness of described flange portion is T, and the thickness of described connection crotch is t, wherein when described second plane does not sets annular groove, The thickness t of described connection crotch is described chamfering to the distance between the first inclined-plane, and described first inclined-plane is parallel with described chamfering And the intersection point that described first inclined-plane is between the extended surface and the internal perisporium of described supplementary bearing of described first plane, t/T >=1.1； When described second plane sets annular groove, the minimum range between described chamfering to described annular groove is described connection crotch Thickness t, t/T >=1.05.

According to the supplementary bearing for compressor of this utility model embodiment, flat by hub portion and connection crotch are located at first On face, and connection crotch is made to include the first surface being connected with the first plane and the second surface being connected with hub portion, and Between one surface and second surface, chamfering is set, so, not only simple in construction, and when supplementary bearing is used on the compressor, Advantageously reduce noise；Simultaneously when the second plane does not sets annular groove, the thickness t connecting crotch is that chamfering is to the first inclined-plane Between distance, and t/T >=1.1, when the second plane sets annular groove, the minimum range between chamfering to annular groove is for even Connecing the thickness t of crotch, t/T >=1.05, so beneficially the rigidity of raising supplementary bearing is to improve its machining deformation, when supplementary bearing is used Time on the compressor, be conducive to improving the assembly deflections of supplementary bearing, thus advantageously reduce other knot of supplementary bearing and compressor Friction loss between structure such as cylinder, reduces piston frictional resistance in rolling process, and then realizes improving compressor The purpose of efficiency, to meet the energy saving requirement of user, is also helped reduction cost by optimization t/T value and is easy to supplementary bearing simultaneously Processing, be conducive to improve supplementary bearing application popularity.It can in addition contain realize the supplementary bearing dependency structure example to compressor Secure support such as bent axle.

According to embodiments more of the present utility model, described first surface is perpendicular to described first plane.

According to embodiments more of the present utility model, described second surface is perpendicular to the periphery wall of described hub portion.

According to the compressor of this utility model embodiment, including the above-mentioned supplementary bearing for compressor.

According to the compressor of this utility model embodiment, by arranging above-mentioned supplementary bearing, be conducive to improving the rigidity of supplementary bearing To improve the assembly deflections between its machining deformation and supplementary bearing and cylinder, thus reduce the friction between supplementary bearing and cylinder Loss, reduces piston frictional resistance in rolling process, and then realizes improving the purpose of the efficiency of compressor, pass through simultaneously Optimize t/T value and also help reduction cost, and be easy to the processing to supplementary bearing, be conducive to improving the popularity of supplementary bearing application, It can in addition contain realize the supplementary bearing secure support to bent axle.

Accompanying drawing explanation

Fig. 1 be some embodiments of this utility model the sectional view of compressor；

Fig. 2 is the schematic diagram of the supplementary bearing of some embodiments of this utility model；

Fig. 3 is to show the enlarged drawing of part according to circle at the A shown in Fig. 2；

Fig. 4 is the schematic diagram of the supplementary bearing of other embodiments of this utility model；

The graph of a relation between t/T and compressor efficiency when Fig. 5 is to use on the compressor according to the supplementary bearing shown in Fig. 2；

The graph of a relation between t/T and compressor efficiency when Fig. 6 is to use on the compressor according to the supplementary bearing shown in Fig. 4.

Reference:

Compressor 100；

Supplementary bearing 1；Flange portion 11；First plane 111；Second plane 112；Cannelure 1121；Hub portion 12；Connect Crotch 13；First surface 131；Second surface 132；First inclined-plane 14；

Housing 2；Main casing 21；Upper end cover 22；Bottom end cover 23；

Compression mechanism 3；Cylinder 31；Piston 32；Slide plate 33；

Motor 4；Stator 41；Rotor 42；

Base bearing 5；

Bent axle 6.

Detailed description of the invention

Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings.Below with reference to The embodiment that accompanying drawing describes is exemplary, it is intended to be used for explaining this utility model, and it is not intended that to of the present utility model Limit.

In description of the present utility model, it is to be understood that term " " center ", " thickness ", " on ", D score, "front", "rear", Orientation that "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward " show or position relationship are for based on shown in accompanying drawing Orientation or position relationship, be for only for ease of and describe this utility model and simplifying and describe rather than instruction or hint indication Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that new to this practicality The restriction of type.

In this utility model, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing " Should be interpreted broadly Deng term, connect for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be Be mechanically connected, it is also possible to be electrical connection or each other can communication；Can be to be joined directly together, it is also possible to by the indirect phase of intermediary Even, can be connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction.For For those of ordinary skill in the art, above-mentioned term concrete meaning in this utility model can be understood as the case may be.

It will be understood by those skilled in the art that the deformation friction loss to compressor in each face constituting compressor compresses chamber Impact is greatly.Supplementary bearing is one of face constituting compression chamber with the contact surface of cylinder, and its main deformation comes from supplementary bearing Assembly deflections between machining deformation and supplementary bearing and cylinder, both deformation are all relevant with the rigidity of supplementary bearing, by carrying The rigidity of high supplementary bearing, can improve its machining deformation and assembly deflections, can reduce friction loss, improves the efficiency of compressor (COP value).

The thickness of the flange portion of supplementary bearing is T, and the thickness connecting crotch is t.T, T and t/T of different size in correlation technique Value is as shown in table 1, table 2.

Table 1 is the value of t, T and t/T of the supplementary bearing of the ringless-type groove in correlation technique.(unit: millimeter)

t	T	t/T
			9.8	12	0.82
8.8	10	0.88
			7.6	9	0.84
7.5	9	0.83

Table 2 is the value of t, T and the t/T of the supplementary bearing having cannelure.

t	T	t/T
			7	12	0.58
6	10	0.6
			5.6	9	0.62
4.5	9	0.5

The value of t, T and t/T of the supplementary bearing in correlation technique fails to obtain optimal optimization, and the efficiency of compressor is low.

Below with reference to Fig. 1-Fig. 5, the supplementary bearing 1 for compressor 100 according to this utility model embodiment, supplementary bearing 1 are described Can be used in compressor 100.

As shown in Figure 2 and Figure 4, according to the supplementary bearing 1 for compressor 100 of this utility model embodiment, may include that Flange portion 11, hub portion 12 and connection crotch 13.

Specifically, as shown in figs 2-4, flange portion 11 includes the first plane 111 and relative with the first plane 111 second Plane 112, the i.e. first plane 111 and the second plane 112 are two planes on the thickness direction of flange portion 11.Wherein, Hub portion 12 and connect crotch 13 and be located in the first plane 111, connect that crotch 13 includes being connected with the first plane 111 the One surface 131 and the second surface 132 being connected with hub portion 12, be provided with down between first surface 131 and second surface 132 Angle, so, not only simple in construction, and when supplementary bearing 1 is used on compressor 100, the setting of chamfering also helps fall Low noise.

The thickness of flange portion 11 is T, and the thickness connecting crotch 13 is t.As shown in Figure 2 and Figure 5, when the second plane 112 When not setting annular groove, connecting the thickness t of crotch 13 is chamfering to the distance between the first inclined-plane 14, the first inclined-plane 14 with The intersection point that chamfering is parallel and the first inclined-plane 14 is between the extended surface and the internal perisporium of supplementary bearing 1 of the first plane 111, t/T≥1.1.Specifically, as it is shown in figure 5, as 0 ＜ t/T ＜ 1.1, the efficiency of compressor 100 along with t/T increase and Being gradually increased, when t/T >=1.1, the efficiency of compressor 100 reaches maximum and tends towards stability.

As shown in Figure 4 and Figure 6, when the second plane 112 sets annular groove, the minimum range between chamfering to annular groove For connecting the thickness t of crotch 13, t/T >=1.05.Specifically, as shown in Figure 6, as 0 ＜ t/T ＜ 1.05, compressor 100 Efficiency be gradually increased along with the increase of t/T, when t/T >=1.05, the efficiency of compressor 100 reaches maximum and tends to steady Fixed.

Thus, by the above-mentioned rigidity of beneficially raising supplementary bearing 1 that is provided with to improve its machining deformation, when supplementary bearing 1 is used in Time on compressor 100, be conducive to improving the assembly deflections of supplementary bearing 1, thus advantageously reduce supplementary bearing 1 and compressor 100 Other structure such as cylinder 31 between friction loss, reduce the piston 32 frictional resistance in rolling process, Jin Ershi Now the purpose of the efficiency of raising compressor 100 is to meet user's energy saving requirement to air-conditioner, simultaneously by optimizing t/T value also It is beneficial to reduce cost, and is easy to the processing to supplementary bearing 1, be conducive to improving the popularity of supplementary bearing 1 application.The most also may be used To realize the supplementary bearing 1 secure support to the dependency structure such as bent axle 6 of compressor 100.

According to the supplementary bearing 1 for compressor 100 of this utility model embodiment, by by hub portion 12 and connection crotch 13 It is located in the first plane 111, and makes connection crotch 13 include first surface 131 and and the wheel hub being connected with the first plane 111 The second surface 132 that portion 12 is connected, and chamfering is set between first surface 131 and second surface 132, so, not only Simple in construction, and when supplementary bearing 1 is used on compressor 100, advantageously reduce noise；Simultaneously when the second plane 112 When not setting annular groove, connecting the thickness t of crotch 13 is chamfering to the distance between the first inclined-plane 14, and t/T >=1.1, when When second plane 112 sets annular groove, the minimum range between chamfering to annular groove is to connect the thickness t of crotch 13, T/T >=1.05, so beneficially the rigidity of raising supplementary bearing 1 is to improve its machining deformation, when supplementary bearing 1 is used in compressor 100 Time upper, be conducive to improving the assembly deflections of supplementary bearing 1, thus advantageously reduce other knot of supplementary bearing 1 and compressor 100 Friction loss between structure such as cylinder 31, reduces the piston 32 frictional resistance in rolling process, and then realizes improving pressure The purpose of the efficiency of contracting machine 100, to meet user to energy-conservation demand, also helps reduction cost by optimizing t/T value simultaneously, And it is easy to the processing to supplementary bearing 1, be conducive to improving the popularity of supplementary bearing 1 application.It can in addition contain realize supplementary bearing 1 Secure support to the dependency structure such as bent axle 6 of compressor 100.

According to embodiments more of the present utility model, as shown in figs 2-4, first surface 131 is perpendicular to the first plane 111, Thus, simple and reliable.

In embodiments more of the present utility model, as shown in figs 2-4, second surface 132 is perpendicular to outside hub portion 12 Perisporium, thus, simple in construction, reliable.

Compressor 100 according to this utility model embodiment, as it is shown in figure 1, housing 2, compression mechanism 3, electricity can be included Machine 4, bent axle 6, the supplementary bearing 1 of above-mentioned compressor 100 and base bearing 5.Wherein, compression mechanism 3, motor 4, song Axle 6, the supplementary bearing 1 of above-mentioned compressor 100 and base bearing 5 are respectively positioned in housing 2.Base bearing 5 and supplementary bearing 1 that This is spaced apart.Specifically, with reference to Fig. 1, housing 2 can include main casing 21 and be positioned at two of two ends of main casing 21 End cap (such as, the upper end cover 22 shown in Fig. 1 and bottom end cover 23).

Compression mechanism 3 includes cylinder 31, piston 32 and slide plate 33.Wherein, cylinder 31 is located at base bearing 5 and supplementary bearing 1 Between, cylinder 31 has compression chamber, and piston 32 is located at interior and along compression chamber the inwall of compression chamber and can roll with compression refrigerant, The rear end of slide plate 33 is connected with compression spring and the periphery wall of its tip and piston 32 only supports, bent axle 6 run through base bearing 5, Compression mechanism 3 and supplementary bearing 1.Such as, as it is shown in figure 1, one end of bent axle 6 (lower end shown in Fig. 1) vertically Sequentially pass through base bearing 5, cylinder 31 and supplementary bearing 1.Bent axle 6 includes body and the eccentric part being located on body.Eccentric part Being located in compression chamber, be enclosed within eccentric part outside piston 32, motor 4 can drive bent axle 6 to rotate, and bent axle 6 drives piston 32 Inwall along compression chamber rolls, thus is compressed the coolant entered in compression chamber.

Specifically, motor 4 includes the stator 41 being fixed on housing 2 and is arranged on the rotor 42 in this stator 41, structure Simply.

Herein it should be noted that the operation principle of the concrete structure of compressor 100 and dependency structure has been people in the art Member is known, is the most no longer described in detail.

Compressor 100 according to this utility model embodiment, by arranging above-mentioned supplementary bearing 1, is conducive to improving supplementary bearing 1 Rigidity to improve the assembly deflections between its machining deformation and supplementary bearing 1 and cylinder 31, thus reduce supplementary bearing 1 and gas Friction loss between cylinder 31, reduces the piston 32 frictional resistance in rolling process, and then realizes improving compressor 100 The purpose of efficiency, also help reduction cost by optimizing t/T value simultaneously, and be easy to the processing to supplementary bearing 1, beneficially Improve the popularity of supplementary bearing 1 application, it can in addition contain realize the supplementary bearing 1 secure support to bent axle 6.

In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " concrete example ", Or specific features, structure, material or the feature bag that the description of " some examples " etc. means to combine this embodiment or example describes It is contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be Any one or multiple embodiment or example combine in an appropriate manner.Additionally, in the case of the most conflicting, this area Technical staff the feature of the different embodiments described in this specification or example and different embodiment or example can be carried out In conjunction with and combination.

Although above it has been shown and described that embodiment of the present utility model, it is to be understood that above-described embodiment is example Property, it is impossible to being interpreted as restriction of the present utility model, those of ordinary skill in the art can in the range of this utility model Above-described embodiment be changed, revise, to replace and modification.

Claims (4)

1. the supplementary bearing for compressor, it is characterised in that including:

Flange portion, described flange portion includes the first plane and second plane relative with described first plane；

Hub portion, described hub portion is located in described first plane；

Connect crotch, described connection crotch is located in described first plane, described connection crotch includes the first surface being connected with described first plane and the second surface being connected with described hub portion, it is provided with chamfering between described first surface and described second surface, the thickness of described flange portion is T, the thickness of described connection crotch is t, wherein when described second plane does not sets annular groove, the thickness t of described connection crotch is described chamfering to the distance between the first inclined-plane, parallel with described chamfering and described first inclined-plane, described first inclined-plane intersection point between the extended surface and the internal perisporium of described supplementary bearing of described first plane, t/T >=1.1；

When described second plane sets annular groove, the minimum range between described chamfering to described annular groove is the thickness t of described connection crotch, t/T >=1.05.

Supplementary bearing for compressor the most according to claim 1, it is characterised in that described first surface is perpendicular to described first plane.

Supplementary bearing for compressor the most according to claim 1, it is characterised in that described second surface is perpendicular to the periphery wall of described hub portion.

4. a compressor, it is characterised in that include according to the supplementary bearing for compressor according to any one of claim 1-3.