CN205101238U - Compressor - Google Patents
Compressor Download PDFInfo
- Publication number
- CN205101238U CN205101238U CN201520757595.5U CN201520757595U CN205101238U CN 205101238 U CN205101238 U CN 205101238U CN 201520757595 U CN201520757595 U CN 201520757595U CN 205101238 U CN205101238 U CN 205101238U
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- Prior art keywords
- compressor
- boss
- ring
- cylinder
- upper bearing
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Abstract
The utility model provides a compressor, include: a housing. Motor and cylinder, the holding is in the casing, the bent axle transmits the revolving force of motor for the cylinder to the compression refrigeration agent, and a bearing assembly and the 2nd bearing assembly, prescribe a limit to compression space jointly and support the bent axle with the cylinder, a bearing assembly includes: the upper bearing and the last muffler of connection at the upper bearing upper surface that have a plurality of waist holes, go up the muffler include epitaxy portion with one in the boss that contracts, an epitaxy setting is in the periphery of last muffler, with last muffler integrated into one piece, at least partial waist hole is sheltered from to the epitaxy to the flow of lubricant that the shells inner wall backward flow is followed to the water conservancy diversion is to the blade groove, be equipped with a plurality of screws between the periphery of interior contract boss and last muffler, the screw closes through bolt and upper bearing spiral shell contracts boss and upper bearing in, and form the amortization chamber jointly contracts in, and is equipped with a plurality of ventholes and a shaft hole on the boss, and the inside boss of upper bearing passes the shaft hole to the flow direction cylinder blade groove during machine oil backward flow, lubricated blade.
Description
Technical field
The utility model relates to a kind of compressor, particularly a kind of compressor with upper baffler.
Background technique
Typically, hermetic compressor comprises the motor for producing driving force in the inner space of housing, and is connected to the compression member of described motor for compressed refrigerant.Hermetic compressor can be categorized as reciprocal compressor, scroll compressor, rolling rotor type compressor according to the difference of refrigerant compression mechanism.Reciprocal compressor, scroll compressor and rolling rotor type compressor are all the rotating forces utilizing motor.
The existing motor of the hermetic compressor of rotating force that utilizes has a bent axle, by bent axle, the rotating force of motor is delivered to compression member.Figure 1 shows that the structural representation of the rolling rotor type compressor of prior art.As shown in Figure 1, the main structure of the rolling rotor type compressor of prior art is as follows:
The upper/lower terminal of housing 2 ' welds upper cover 1 ' and lower cover 7 ' respectively.Motor 3 ' is placed in housing 2 ', and motor 3 ' comprises and is sheathed on internal rotor on bent axle 31 ' 32 ' and external stator 33 '.External stator 33 ' is fixed with housing 2 '.Internal rotor 32 ' is inserted in external stator 33 ', between this internal rotor 32 ' and external stator 33 ', have predetermined gap, and then is rotated this internal rotor 32 ' by the interaction with external stator 33 '.Bent axle 31 ' is connected to described internal rotor 32 ' so that the rotating force of internal rotor 32 ' is delivered to compression member 5 '.The bottom of bent axle 31 ' relies on bearing (upper bearing (metal) 4 ' and lower bearing 6 ') to be positioned the medial axis of housing 2 '.The top of bent axle 31 ' relies on upper supporting component 8 ' to be positioned the medial axis of housing 2 '.Upper bearing (metal) 4 ' forms friction pair by internal boss 42 ' structure (the interior round column structure in Fig. 1) and bent axle 31 '.The periphery of upper bearing (metal) 4 ' is also provided with the waist hole 41 ' that multiple supplied gas is passed through.
Compression member 5 ' can comprise: cylinder, rotating piston and the blade for completely cutting off high low pressure chamber in the cylinder, and multiple for jointly limiting compression volume with described cylinder and supporting the bearing of bent axle 31 '.Bearing is usually located at the side of motor 3 ' to support bent axle 31 '.Wherein, blade is all arranged in blade groove 51 '.
As shown in Figures 2 and 3, in order to weaken the noise of the high-speed gas flowed out from compression member 5 ', upper bearing (metal) 4 ' is also provided with baffler 9 ' on, the middle part of upper baffler 9 ' is provided with one and inside contracts boss 92 ', some screws 91 ' are provided with between the periphery inside contracting boss 92 ' and upper baffler 9 ', screwed togather by bolt and upper bearing (metal) 4 ', make to inside contract boss 92 ' and jointly form silencing cavity with upper bearing (metal) 4 '.Inside contract boss 92 ' and be provided with some air outlet holes 93 ' and an axis hole 94 ', the internal boss 42 ' of upper bearing (metal) 4 ' is through axis hole 94 '.The part high-speed gas flowed out from compression member 5 ' enters upper baffler 9 ', and after discharging from air outlet hole 93 ', noise is attenuated, thus reaches noise reduction object.
But this structure of prior art has following drawback: continue with reference to figure 1, in the rolling rotor type compressor of prior art, along with the work of compressor, time gas passes through multiple waist hole 41 ' of upper bearing (metal) 4 ' from bottom to top, also the lubricant oil in compressor upwards can be taken away.Further, refrigerator oil to be separated with refrigerant when the rear inwall along housing 2 ' refluxes and can not to need the parts that lubricate especially to the blade in compression member 5 ' etc. by active flow in portion on the compressor.If things go on like this, by reducing the lubricant oil total amount of compressor, affecting overall lubrication effect, easily causing advanced wear, reducing the working life of compressor.
In compressor operation process, easily there is the situation that blade oil starvation is stuck when oil level is lower.More way more at present on the pump housing add oil mass, but portion is separated rear being back to bottom compressor along inner walls with refrigerant is on the compressor that surrounding is disperseed due to refrigerator oil, and the oil entering (blade groove) is very limited.
Model utility content
For defect of the prior art, the purpose of this utility model is to provide a kind of compressor, overcome the difficulty of prior art, can make refrigerator oil on the compressor portion be separated with refrigerant rear when refluxing along inner walls more concentrated area flow to cylinder blade groove position, better lubricating blade.
According to an aspect of the present utility model, a kind of compressor is provided, comprises:
Housing;
Motor and cylinder, be placed in described housing;
Bent axle, passes to described cylinder, with compressed refrigerant by the rotating force of motor; And
Clutch shaft bearing assembly and the second bearing unit, jointly limit compression volume with described cylinder and support described bent axle; Described clutch shaft bearing assembly comprises: have the upper bearing (metal) in some waist holes and be connected to the upper baffler of described upper bearing (metal) upper surface;
It is characterized in that, described upper baffler comprises an epitaxy part and and inside contracts boss, described epitaxy part is arranged on the periphery of described upper baffler, one-body molded with described upper baffler, described epitaxy part blocks at least part of described waist hole, and the lubricant oil that water conservancy diversion refluxes along described inner walls flows to blade groove; Some screws are provided with between the described periphery inside contracting boss and upper baffler, described screw is screwed togather by bolt and upper bearing (metal), describedly inside contract boss and described upper bearing (metal) forms silencing cavity jointly, the described boss that inside contracts is provided with some air outlet holes and an axis hole, and the internal boss of described upper bearing (metal) is through axis hole.
Preferably, described epitaxy part is continuous print, and is included in the breach at least one precalculated position being offered correspondence.
Preferably, described epitaxy part is a C type back-up ring, and the breach of described C type back-up ring exposes the blade groove in described cylinder through described waist hole.
Preferably, described C type back-up ring is an inclined upwards extended out from the periphery of described upper baffler.
Preferably, described C type back-up ring comprises the second back-up ring portion of a first back-up ring portion upwards extended out and a level, the lower periphery along connecting described upper baffler in described first back-up ring portion, the upper edge in described first back-up ring portion connects described second back-up ring portion, and described second back-up ring portion crimps described upper bearing (metal).
Preferably, the gross area in the described waist hole of being blocked by described C type back-up ring is more than or equal to 2/3 of the gross area in whole described waist hole.
Preferably, described air outlet hole be arranged in described in inside contract the side of breach near described C type back-up ring on boss.
Preferably, described upper bearing (metal) comprises some large waist holes and some little waist holes, and the area in described little waist hole is more than or equal to 1/3 of the area in large waist hole.
Preferably, described breach exposes the blade in described cylinder through described little waist hole.
Preferably, at least one described large waist hole is not blocked by described C type back-up ring.
Preferably, described epitaxy part is segmentation, has gap between every section, forms guide channel.
Preferably, described compressor can be single cylinder compressor, also can be duplex cylinder compressor.
Owing to employing above technology, the epitaxy part water conservancy diversion lubricant oil that compressor of the present utility model can be set up by upper baffler, make refrigerator oil on the compressor portion be separated with refrigerant rear when refluxing along inner walls more concentrated area flow to cylinder blade groove position, better lubricating blade.
Accompanying drawing explanation
By reading the detailed description done non-limiting example with reference to the following drawings, other features, objects and advantages of the present utility model will become more obvious:
Fig. 1 is the sectional view of the compressor of prior art;
Fig. 2 is the structural representation of upper baffler in the compressor of prior art;
Fig. 3 is the assembling schematic diagram of upper baffler in the compressor of prior art;
Fig. 4 is the sectional view of compressor of the present utility model;
Fig. 5 is the structural representation of upper baffler in compressor of the present utility model;
Fig. 6 is the assembling schematic diagram of upper baffler in compressor of the present utility model;
Fig. 7 is the plan view of the upper baffler of assembling condition in Fig. 6; And
Fig. 8 be in Fig. 7 A-A to sectional view.
Reference character
1 ' upper cover
2 ' housing
3 ' motor
31 ' bent axle
32 ' internal rotor
33 ' external stator
4 ' upper bearing (metal)
41 ' waist hole
42 ' boss
5 ' compression member
51 ' blade groove
6 ' lower bearing
7 ' lower cover
8 ' upper supporting component
9 ' upper baffler
91 ' screw
92 ' inside contracts boss
93 ' air outlet hole
94 ' axis hole
1 upper cover
2 housings
3 motors
31 bent axles
32 internal rotors
33 external stators
4 upper bearing (metal)s
41 waist holes
42 boss
5 compression member
51 blade grooves
6 lower bearings
7 lower covers
Supporting component on 8
Baffler on 9
91 screws
92 inside contract boss
93 air outlet holes
94 axis holes
95C type back-up ring
951 first back-up ring portions
952 second back-up ring portions
Embodiment
Below will provide detailed description to embodiment of the present utility model.Although the utility model will carry out setting forth and illustrating in conjunction with some embodiments, it should be noted that the utility model is not merely confined to these mode of executions.On the contrary, the amendment carry out the utility model or equivalent replacement, all should be encompassed in the middle of right of the present utility model.
In addition, in order to better the utility model is described, in embodiment hereafter, give numerous details.It will be understood by those skilled in the art that do not have these details, the utility model can be implemented equally.In other example, known structure and parts are not described in detail, so that highlight purport of the present utility model.
As shown in Figure 4, the upper/lower terminal of compressor middle shell 2 of the present utility model welds upper cover 1 and lower cover 7 respectively.Motor 3 is placed in housing 2, and motor 3 comprises and is sheathed on internal rotor 32 on bent axle 31 and external stator 33.External stator 33 is fixed with housing 2.Internal rotor 32 is inserted in external stator 33, has predetermined gap, and then rotate this internal rotor 32 by the interaction with external stator 33 between this internal rotor 32 and external stator 33.Bent axle 31 is connected to described internal rotor 32 so that the rotating force of internal rotor 32 is delivered to compression member 5.The bottom of bent axle 31 relies on bearing (upper bearing (metal) 4 and lower bearing 6) to be positioned the medial axis of housing 2.The top of bent axle 31 relies on upper supporting component 8 to be positioned the medial axis of housing 2.Upper bearing (metal) 4 forms friction pair by internal boss 42 structure (the interior round column structure in Fig. 4) and bent axle 31.The periphery of upper bearing (metal) 4 is also provided with the waist hole 41 that multiple supplied gas is passed through.Compression member 5 can comprise: cylinder, rotating piston and the blade for completely cutting off high low pressure chamber in the cylinder, and multiple for jointly limiting compression volume with cylinder and supporting the bearing of bent axle 31.Bearing is usually located at the side of motor 3 to support bent axle 31.Wherein, blade is all arranged in blade groove 51.Further, in order to weaken the noise of the high-speed gas flowed out from compression member 5, upper bearing (metal) 4 is also provided with baffler 9 on.Compressor can be single cylinder compressor, can be also duplex cylinder compressor, not as limit.
As shown in Figure 5, the middle part of upper baffler 9 is provided with one and inside contracts boss 92, and periphery is provided with a continuous print epitaxy part, and this epitaxy part is included at least one precalculated position and offers corresponding breach.Epitaxy part in the present embodiment is the breach of C type back-up ring 95, a C type back-up ring 95 exposes in cylinder blade groove 51 through waist hole 41, but not as limit.According to the space requirement in compressor and actual demand, epitaxy part also can be other forms, and such as: epitaxy part can be also segmentation, has gap between every section, form guide channel, this is in and repeats.On basis of the present utility model, by changing the shape of epitaxy part, carrying out the scheme of water conservancy diversion lubricant oil equally, also dropping within protection domain of the present utility model.
Some screws 91 are provided with between the periphery inside contracting boss 92 and upper baffler 9.Inside contract boss 92 and be provided with some air outlet holes 93 and an axis hole 94.C type back-up ring is an inclined upwards extended out from the periphery of upper baffler.C type back-up ring and upper baffler one-body molded, or, also can not be made of one with upper baffler and independently be arranged on upper bearing (metal) 4.Air outlet hole is arranged in the side inside contracted near the breach of C type back-up ring on boss.
As shown in Fig. 6 to 8, the screw 91 of upper baffler 9 is screwed togather by bolt and upper bearing (metal) 4, makes to inside contract boss 92 and jointly forms silencing cavity with upper bearing (metal) 4.The internal boss 42 of upper bearing (metal) 4 is through axis hole 94.The part high-speed gas flowed out from compression member 5 enters upper baffler 9, and after discharging from air outlet hole 93, noise is attenuated, thus reaches noise reduction object.
The outer of C type back-up ring 95 can touch the inwall of described housing 2, by the tilted shape of C type back-up ring 95, by the lubricant oil that refluxes along housing 2 inwall downwardly towards Inner guide, the lubricant oil guided by C type back-up ring 95 can preferential flow to the indentation, there of C type back-up ring 95.In order to better lubricant oil be guided into the blade in the compression member 5 more needing lubrication, in the present embodiment, C type back-up ring 95 blocks at least part of waist hole 41, the breach of C type back-up ring 95 exposes the blade groove 51 in cylinder through waist hole 41, thus promote that lubricant oil is along the breach of C type back-up ring 95, through the waist hole 41 of upper bearing (metal) 4, flow to the blade groove 51 in compression member 5, so that sufficient lubrication blade.
C type back-up ring 95 can comprise the second back-up ring portion 952 of a first back-up ring portion 951 upwards extended out and a level, the lower periphery along connecting upper baffler 9 in the first back-up ring portion 951, the upper edge in the first back-up ring portion 951 connects the second back-up ring portion 952, second back-up ring portion 952 crimps upper bearing (metal) 4, the angle of inclination in the first back-up ring portion 951 can be made like this to increase, obtain better water conservancy diversion effect with this.
In order to realize different air flues; with the particular requirement of different compressors; C type back-up ring 95 in the utility model also can have a more than breach, in the utility model C type back-up ring basis on increase breach or through hole, the scheme of conduit also drops within the protection domain of this case.
All waist holes 41 are not all blocked by the C type back-up ring 95 in the utility model, to ensure to form air flue in compressor, meet the normal circulation of gas, wherein, preferably, the gross area in the waist hole 41 of being blocked by C type back-up ring 95 in the present embodiment is more than or equal to 2/3 of the gross area in whole waist hole 41, but not as limit.
In a preferred version, the waist hole 41 of upper bearing (metal) 4 can be divided into large waist hole and little waist hole by size, the area in little waist hole is more than or equal to 1/3 of the area in large waist hole, and the breach of C type back-up ring 95 exposes the blade groove 51 in cylinder through a little waist hole, adjacent with little waist hole one large waist hole is not blocked by C type back-up ring 95, and under this state, implementation result is best.
And, in the present embodiment, another effect of C type back-up ring 95 is, when the high-speed gas carrier lubricant oil that compression member 5 flows out upwards flows out through waist hole 41, even if high-speed gas changes the flow direction after being stopped by C type back-up ring 95 again, by continuing upwards after the gap between C type back-up ring 95 and upper bearing (metal) 4, but person's lubricant oil entrained by high-speed gas is but easy to be stopped by C type back-up ring 95, formed thus turn back to the bottom of compressor, avoid high-speed gas and carry away the generation of a large amount of lubrication oil condition, ensure that the parts of compressor bottom can lubricated oily sufficient lubrication.
In summary, the epitaxy part water conservancy diversion lubricant oil that compressor of the present utility model can be set up by upper baffler, make refrigerator oil on the compressor portion be separated with refrigerant rear when refluxing along inner walls more concentrated area flow to cylinder blade groove position, better lubricating blade.
Claims (12)
1. a compressor, comprising:
Housing;
Motor and cylinder, be placed in described housing;
Bent axle, passes to described cylinder, with compressed refrigerant by the rotating force of motor; And
Clutch shaft bearing assembly and the second bearing unit, jointly limit compression volume with described cylinder and support described bent axle; Described clutch shaft bearing assembly comprises: have the upper bearing (metal) in some waist holes and be connected to the upper baffler of described upper bearing (metal) upper surface;
It is characterized in that, described upper baffler comprises an epitaxy part and and inside contracts boss, described epitaxy part is arranged on the periphery of described upper baffler, one-body molded with described upper baffler, described epitaxy part blocks at least part of described waist hole, and the lubricant oil that water conservancy diversion refluxes along described inner walls flows to blade groove; Some screws are provided with between the described periphery inside contracting boss and upper baffler, described screw is screwed togather by bolt and upper bearing (metal), describedly inside contract boss and described upper bearing (metal) forms silencing cavity jointly, the described boss that inside contracts is provided with some air outlet holes and an axis hole, and the internal boss of described upper bearing (metal) is through axis hole.
2. compressor as claimed in claim 1, it is characterized in that, described epitaxy part is continuous print, and is included in the breach at least one precalculated position being offered correspondence.
3. compressor as claimed in claim 2, it is characterized in that, described epitaxy part is a C type back-up ring, and the breach of described C type back-up ring exposes the blade groove in described cylinder through described waist hole.
4. compressor as claimed in claim 3, it is characterized in that, described C type back-up ring is an inclined upwards extended out from the periphery of described upper baffler.
5. compressor as claimed in claim 4, it is characterized in that, described C type back-up ring comprises the second back-up ring portion of a first back-up ring portion upwards extended out and a level, the lower periphery along connecting described upper baffler in described first back-up ring portion, the upper edge in described first back-up ring portion connects described second back-up ring portion, and described second back-up ring portion crimps described upper bearing (metal).
6. compressor as claimed in claim 5, is characterized in that, the gross area in the described waist hole of being blocked by described C type back-up ring is more than or equal to 2/3 of the gross area in whole described waist hole.
7. compressor as claimed in claim 6, is characterized in that, inside contracts the side near the breach of described C type back-up ring on boss described in described air outlet hole is arranged in.
8. as the compressor in claim 3 to 7 as described in any one, it is characterized in that, described upper bearing (metal) comprises some large waist holes and some little waist holes, and the area in described little waist hole is more than or equal to 1/3 of the area in large waist hole.
9. compressor as claimed in claim 8, it is characterized in that, described breach exposes the blade in described cylinder through described little waist hole.
10. compressor as claimed in claim 9, it is characterized in that, at least one described large waist hole is not blocked by described C type back-up ring.
11. compressors as claimed in claim 1, it is characterized in that, described epitaxy part is segmentation, has gap between every section, forms guide channel.
12. compressors as claimed in claim 1, it is characterized in that, described compressor is single cylinder compressor or duplex cylinder compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520757595.5U CN205101238U (en) | 2015-09-28 | 2015-09-28 | Compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520757595.5U CN205101238U (en) | 2015-09-28 | 2015-09-28 | Compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205101238U true CN205101238U (en) | 2016-03-23 |
Family
ID=55517020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520757595.5U Active CN205101238U (en) | 2015-09-28 | 2015-09-28 | Compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205101238U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134608A (en) * | 2015-09-28 | 2015-12-09 | 上海日立电器有限公司 | Compressor |
| CN111043038A (en) * | 2019-12-03 | 2020-04-21 | 珠海格力节能环保制冷技术研究中心有限公司 | Silencer, compressor and air conditioner with same |
-
2015
- 2015-09-28 CN CN201520757595.5U patent/CN205101238U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105134608A (en) * | 2015-09-28 | 2015-12-09 | 上海日立电器有限公司 | Compressor |
| CN105134608B (en) * | 2015-09-28 | 2018-07-27 | 上海海立电器有限公司 | A kind of compressor |
| CN111043038A (en) * | 2019-12-03 | 2020-04-21 | 珠海格力节能环保制冷技术研究中心有限公司 | Silencer, compressor and air conditioner with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 201206 Jinqiao Road, Pudong New Area Jinqiao Export Processing Zone, Shanghai, 1051 Patentee after: Shanghai Haili Electrical Appliance Co. Ltd. Address before: 201206 Pudong New Area Jinqiao Export Processing Zone, Nanjing Road, No. 888, Shanghai Patentee before: Rili Electric Appliance Co., Ltd., Shanghai |