CN207229389U - Compressor - Google Patents
Compressor Download PDFInfo
- Publication number
- CN207229389U CN207229389U CN201721137020.9U CN201721137020U CN207229389U CN 207229389 U CN207229389 U CN 207229389U CN 201721137020 U CN201721137020 U CN 201721137020U CN 207229389 U CN207229389 U CN 207229389U
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- Prior art keywords
- upper cylinder
- cylinder cover
- housing
- periphery
- welding
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- Compressor (AREA)
Abstract
The utility model provides compressor, wherein, compressor includes：Housing；Motor and cylinder, are placed in the housing；The rotary force of motor is passed to the piston in the cylinder by bent axle, the bent axle, to compress refrigerant；Upper cylinder cover and lower cylinder cap, limit compression stroke with the cylinder and support the bent axle jointly；For the upper cylinder cover between the motor and the cylinder, the upper cylinder cover has the through hole passed through for the bent axle, and the upper cylinder cover has towards the first side of the motor and the second side towards the cylinder；The periphery of the inner wall of the housing and first side of upper cylinder cover is prolonged and/or laser welding is prolonged in the periphery of the second side, and the axial direction of welding solder joint and the angular range of the angle of the inner walls are 0 ° to 45 °.The utility model will not destroy original assembly precision because of welding deformation, so as to ensure that rotor air gap is uniform so that noise reduces, performance improves.
Description
Technical field
Art of refrigeration units is the utility model is related to, specifically, is related to rolling rotor compressor.
Background technology
Typically, hermetic compressor includes being used to produce the motor of driving force in the inner space of sealing shell, with
And it is connected to the compression member that the motor is used to compress refrigerant.Hermetic compressor can be according to refrigerant compression mechanism
It is different and be categorized as reciprocating compressor, scroll compressor, rolling rotor compressor.Reciprocating compressor, vortex pressure
Contracting machine and rolling rotor compressor are all the rotary forces using motor.
Existing rolling rotor compressor, be mostly parts machining it is good after, be first assembled into pump body portion (main bag
Include：Bent axle, piston, cylinder, upper and lower cylinder cap, blade etc.), then by way of 3 points/6 weldings, housing is connected with the pump housing
Get up.However, this mode, can cause rotor non-uniform air-gap so that make an uproar because of the original assembly precision of welding deformation failure
Sound increase, degradation.
Therefore, the utility model provides compressor.
The content of the invention
, will not be because of welding deformation the purpose of this utility model is to provide compressor for the problems of the prior art
Original assembly precision is destroyed, so as to ensure that rotor air gap is uniform so that noise reduces, performance improves.
One side according to the present utility model, there is provided a kind of compressor, including：
Housing；
Motor and cylinder, are placed in the housing；
The rotary force of motor is passed to the piston in the cylinder by bent axle, the bent axle, to compress refrigerant；
Upper cylinder cover and lower cylinder cap, limit compression stroke with the cylinder and support the bent axle jointly；
Between the motor and the cylinder, the upper cylinder cover has to be led to the upper cylinder cover for what the bent axle passed through
Hole,
The upper cylinder cover has towards the first side of the motor and the second side towards the cylinder；
The periphery of the inner wall of the housing and first side of upper cylinder cover is prolonged and/or laser welding is prolonged in the periphery of the second side,
The axial direction of welding solder joint and the angular range of the angle of the inner walls are 0 ° to 45 °.
Preferably, the axial direction of shown welding solder joint and the angular range of the angle of the housing are 15 ° to 30 °.
Preferably, the fusion penetration of the welding solder joint is more than 1.5mm.
Preferably, the periphery of first side of upper cylinder cover is prolonged prolongs the inner wall edge with the housing respectively with the periphery of the second side
Circumferential multiple spot distribution type laser welding, the periphery of first side of upper cylinder cover prolong with the fusion penetration of the inner wall of the housing with it is described on
Prolong equal with the fusion penetration of the inner wall of the housing in the periphery of the second side of cylinder cap.
Preferably, the material of the upper cylinder cover is gray iron, and the material of the housing is carbon steel.
Preferably, interference micro- with the inner walls part or clearance fit are prolonged in the periphery of the upper cylinder cover, described micro-
The unilateral interference volume of interference is less than 0.5mm, and the unilateral interference volume of the clearance fit is more than -0.5mm.
Preferably, prolong the periphery that the welding solder joint is distributed in the upper cylinder cover according to the axisymmetrical of the upper cylinder cover.
Preferably, the welding solder joint prolongs according to the asymmetric distribution of the upper cylinder cover in the periphery of the upper cylinder cover.
The compressor of the utility model will not destroy original assembly precision because of welding deformation, so as to ensure to turn calmly
Sub- air gap is uniform so that noise reduces, performance improves.
Brief description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon.
Fig. 1 is the profile of the compressor of the utility model；
Fig. 2 be the utility model first embodiment in upper cylinder cover and the welding schematic diagram of inner walls in compressor；
Fig. 3 is the enlarged drawing in M regions in Fig. 2；
Fig. 4 is the schematic diagram at A directions visual angle in Fig. 2；
Fig. 5 is the schematic diagram at B directions visual angle in Fig. 2；
Fig. 6 be the utility model second embodiment in upper cylinder cover and the welding schematic diagram of inner walls in compressor；
Fig. 7 is the schematic diagram at C directions visual angle in Fig. 6；
Fig. 8 be the utility model 3rd embodiment in upper cylinder cover and the welding schematic diagram of inner walls in compressor；With
And
Fig. 9 is the schematic diagram at D directions visual angle in Fig. 8.
Reference numeral
1 upper cover
2 housings
3 motors
31 bent axles
32 internal rotors
33 external stators
4 upper cylinder covers
41 first faces
42 second faces
5 cylinders
6 times cylinder caps
7 lower covers
8 reservoirs
91 welding solder joints
92 welding solder joints
Embodiment
Example embodiment is described more fully with referring now to attached drawing.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein.On the contrary, these embodiments are provided so that this practicality is new
The design of example embodiment fully and completely, and will be comprehensively communicated to those skilled in the art by type.It is identical in figure
Reference numeral represent same or similar structure, thus repetition thereof will be omitted.
Fig. 1 is the profile of the compressor of the utility model.Fig. 2 be the utility model first embodiment in compressor
The welding schematic diagram of upper cylinder cover and inner walls.The compressor of the utility model as shown in Fig. 1 to 2, including：Upper cover 1, housing 2,
Motor 3, upper cylinder cover 4, cylinder 5, lower cylinder cap 6, lower cover 7 and reservoir 8.Wherein, motor 3 and cylinder 5 are placed in housing 2,
Motor 3 includes internal rotor 32 and external stator 33；The rotary force of motor 3 is passed to the piston in cylinder 5 by bent axle 31, with compression
Refrigerant；Upper cylinder cover 4 and lower cylinder cap 6 limit compression stroke and support bent axle 31 jointly with cylinder 5；Upper cylinder cover 4 is located at 3 He of motor
Between cylinder 5, upper cover 1 and lower cover 7 distinguish the both ends of the cover housing 2, reservoir 8 and 5 unicom of cylinder, and refrigeration is provided to cylinder 5
Agent.Upper cylinder cover 4 has a through hole passed through for bent axle 31, and upper cylinder cover 4 has towards the first side 41 of motor 3 and towards cylinder 5
Second side 42；The inner wall of housing 2 prolongs with the periphery of 4 first side 41 of upper cylinder cover and prolongs laser welding, welding with the periphery of the second side 42
The axial direction of solder joint and the angular range of the angle of 2 inner wall of housing are 0 ° to 45 °.The material of upper cylinder cover 4 is gray iron, the material of housing 2
Expect that for carbon steel, by laser welding, the housing of upper cylinder cover from both direction and the carbon steel of gray iron is fused together.In the present embodiment
Fusion penetration refer to the distance between most deep position and mother metal surface of mother metal melting end.
In a preferred embodiment, the angular range of the angle of the axial direction of shown welding solder joint and housing 2 be 15 ° extremely
30°。
In a preferred embodiment, the periphery of the inner wall of housing 2 and 4 first side 41 of upper cylinder cover is prolonged outer with the second side 42
Prolong circumferential laser welding week, can be that one week whole is welded or two or more pieces weld seam is distributed circumferentially.
In a preferred embodiment, the welding solder joint can also be according to the asymmetric distribution of the upper cylinder cover described
Prolong the periphery of upper cylinder cover.
In a preferred embodiment, the fusion penetration of welding solder joint is more than 1.5mm, but is not limited.Welding solder joint melts
It is deep to be more than 1.5mm, can proof strength and rigid requirements, also, fusion penetration is deeper, better for the rigidity of connector.
In a preferred embodiment, the periphery of 4 first side 41 of upper cylinder cover prolong with the periphery of the second side 42 prolong respectively with shell
The fusion penetration with the inner wall of housing 2 is prolonged in the circumferentially multiple spot distribution type laser welding of the inner wall of body 2, the periphery of 4 first side 41 of upper cylinder cover
Prolong with the periphery of 4 second side 42 of upper cylinder cover equal with the fusion penetration of the inner wall of housing 2.Under the premise of identical fusion penetration, up and down all into
The effect of row welding is best, can fully ensure that the bonding strength between the inner wall of upper cylinder cover 4 and housing 2.
Interference micro- with 2 inner wall section of housing or clearance fit are prolonged in the periphery of upper cylinder cover 4, and the unilateral interference volume of micro- interference is small
In 0.5mm, the unilateral interference volume of clearance fit is more than -0.5mm, but is not limited.
The periphery that welding solder joint is distributed in upper cylinder cover 4 according to the axisymmetrical of upper cylinder cover 4 is prolonged, but is not limited.
In a preferred embodiment, the bevel edge of upper cylinder cover end face side, should be in below 0.5mm.
Fig. 3 is the enlarged drawing in M regions in Fig. 2.Fig. 4 is the schematic diagram at A directions visual angle in Fig. 2.Fig. 5 is that B directions regard in Fig. 2
The schematic diagram at angle.As shown in Fig. 2 to 5, in the present embodiment, the periphery of 4 first side 41 of upper cylinder cover is prolonged with the inner wall of housing 2 by swashing
Bare electrode forms multiple welding solder joints 91, and angle a, the scope of angle a are formed between the inner wall of each welding solder joint 91 and housing 2
It can be 0 ° to 45 °, be preferably 15 ° to 30 °.Similarly, the periphery of 4 second side 42 of upper cylinder cover is prolonged passes through with the inner wall of housing 2
Laser welding forms multiple welding solder joints 92, and angle b, the model of angle b are formed between the inner wall of each welding solder joint 92 and housing 2
It can be 0 ° to 45 ° to enclose, and be preferably 15 ° to 30 °.
Referring to figs. 1 to 5, the utility model also provides a kind of manufacture method of compressor, including：There is provided on a housing and one
Cylinder cap, the periphery of the inner wall of housing and the first side of upper cylinder cover is prolonged and/or the periphery of the second side is prolonged and carried out by laser emitter
The angular range of laser welding, the axial direction of laser emitter and the angle of inner walls is 0 ° to 45 °.Upper cylinder cover and housing are justified
After week welding, then connector is finished, it is possible to reduce weld the deformation of generation, improve assembly precision so that rotor
Air gap is more uniform；Rotor air gap is more uniform, and can effectively reduce noise, performance also can further get a promotion.Compression
The manufacture method of machine further includes other conventional installation steps, such as is assembled into pump body portion and (mainly includes：Bent axle, piston, gas
Cylinder, upper and lower cylinder cap, blade) etc., details are not described herein again.
In a preferred embodiment, the angular range of the angle of the axial direction of laser emitter and housing is 15 ° to 30 °.
In a preferred embodiment, the fusion penetration of welding solder joint is more than 1.5mm.
In a preferred embodiment, the periphery of the first side of upper cylinder cover prolong with the periphery of the second side prolong respectively with housing
Wall circumferentially multiple spot distribution type laser welding, swashs at this time, it may be necessary to be respectively provided to few two in the first side of upper cylinder cover and the second side
Optical transmitting set, the periphery of the first side of upper cylinder cover is prolonged prolongs and housing with the periphery of the fusion penetration of the inner wall of housing and the second side of upper cylinder cover
The fusion penetration of inner wall is equal.
In a preferred embodiment, the material of upper cylinder cover is gray iron, and the material of housing is carbon steel.During welding, gray iron
Phosphorus content is higher than the housing of carbon steel, and the energy of laser welding, which should try one's best, to be beaten on the housing of mild steel, laser emitter and housing
The angular range of angle be：0 °~45 °.
In a preferred embodiment, interference micro- with inner walls part or clearance fit are prolonged in the periphery of upper cylinder cover, micro-
The unilateral interference volume of interference is less than 0.5mm, and the unilateral interference volume of clearance fit is more than -0.5mm.
In a preferred embodiment, welding solder joint is distributed in the periphery of upper cylinder cover according to the axisymmetrical of upper cylinder cover and prolongs.
In a preferred embodiment, the welding solder joint can also be according to the asymmetric distribution of the upper cylinder cover described
Prolong the periphery of upper cylinder cover.
Fig. 6 be the utility model second embodiment in upper cylinder cover and the welding schematic diagram of inner walls in compressor.Fig. 7
It is the schematic diagram at C directions visual angle in Fig. 6.As shown in Figures 6 and 7, it is first embodiment in the second embodiment of the utility model
Change case, the inner wall of second embodiment middle casing 2 only prolong laser welding at progress two with the periphery of 4 first side 41 of upper cylinder cover,
Welding solder joint 91 is distributed according to the axisymmetrical of upper cylinder cover 4.The axial direction of welding solder joint 91 and the angle of the angle a of 2 inner wall of housing
Angular range be 0 ° to 45 °.4 second side 42 of upper cylinder cover reduces laser without the inner wall welding with housing 2, second embodiment
The use of transmitter, has saved manufacture cost and time.
Fig. 8 be the utility model 3rd embodiment in upper cylinder cover and the welding schematic diagram of inner walls in compressor.Fig. 9
It is the schematic diagram at D directions visual angle in Fig. 8.As shown in FIG. 8 and 9, it is first embodiment in the 3rd embodiment of the utility model
Change case, the inner wall of 3rd embodiment middle casing 2 only prolongs with the periphery of 4 second side 42 of upper cylinder cover carries out many places laser welding.
The axial direction of welding solder joint 92 and the angular range of the angle of the angle b of 2 inner wall of housing are 0 ° to 45 °.4 first side of upper cylinder cover, 41 nothing
The use of laser emitter need to be decreased with the inner wall welding of housing 2,3rd embodiment, save manufacture cost and time.
To sum up, the compressor of the utility model will not destroy original assembly precision because of welding deformation, so as to protect
It is uniform to demonstrate,prove rotor air gap so that noise reduces, performance improves.
Above content is to combine specific preferred embodiment further detailed description of the utility model, it is impossible to
Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field
For personnel, without departing from the concept of the premise utility, some simple deduction or replace can also be made, should all be regarded
To belong to the scope of protection of the utility model.
Claims (7)
- A kind of 1. compressor, it is characterised in that including：Housing (2)；Motor (3) and cylinder (5), are placed in the housing (2)；The rotary force of motor (3) is passed to the piston in the cylinder (5) by bent axle (31), the bent axle (31), to compress system Cryogen；Upper cylinder cover (4) and lower cylinder cap (6), compression stroke is limited with the cylinder (5) and supports the bent axle (31) jointly；For the upper cylinder cover (4) between the motor (3) and the cylinder (5), the upper cylinder cover (4), which has, supplies the bent axle (31) through hole passed through,The upper cylinder cover (4) has towards the first side (41) of the motor (3) and the second side towards the cylinder (5) (42)；The periphery of the inner wall of the housing (2) and (4) first side (41) of upper cylinder cover is prolonged and/or the periphery of the second side (42) is prolonged Laser welding, the axial direction of welding solder joint and the angular range of the angle of the housing (2) inner wall are 0 ° to 45 °.
- 2. compressor according to claim 1, it is characterised in that：The axial direction of shown welding solder joint and the housing (2) The angular range of angle is 15 ° to 30 °.
- 3. compressor according to claim 1, it is characterised in that：The fusion penetration of the welding solder joint is more than 1.5mm.
- 4. compressor according to claim 1, it is characterised in that：The periphery of (4) first side (41) of upper cylinder cover prolong and Prolong the inner wall circumferentially multiple spot distribution type laser welding with the housing (2) respectively, the upper cylinder cover in the periphery of second side (42) Prolong the periphery with the fusion penetration of the inner wall of the housing (2) and (4) second side (42) of upper cylinder cover in the periphery of (4) first sides (41) Prolong equal with the fusion penetration of the inner wall of the housing (2).
- 5. compressor according to claim 1, it is characterised in that：The material of the upper cylinder cover (4) is gray iron, the housing (2) material is carbon steel.
- 6. compressor according to claim 1, it is characterised in that：Prolong and the housing (2) periphery of the upper cylinder cover (4) The micro- interference of inner wall section or clearance fit, the unilateral interference volume of micro- interference are less than 0.5mm, the clearance fit it is unilateral Interference volume is more than -0.5mm.
- 7. compressor according to claim 1, it is characterised in that：The welding solder joint is according to the axis of the upper cylinder cover (4) Prolong the periphery that line is symmetrically distributed in the upper cylinder cover (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721137020.9U CN207229389U (en) | 2017-09-06 | 2017-09-06 | Compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721137020.9U CN207229389U (en) | 2017-09-06 | 2017-09-06 | Compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207229389U true CN207229389U (en) | 2018-04-13 |
Family
ID=61860810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721137020.9U Active CN207229389U (en) | 2017-09-06 | 2017-09-06 | Compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207229389U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458334A (en) * | 2017-09-06 | 2019-03-12 | 上海海立电器有限公司 | Compressor and its manufacturing method |
| WO2022148069A1 (en) * | 2021-01-08 | 2022-07-14 | 广东美芝精密制造有限公司 | Compressor and assembly method therefor |
-
2017
- 2017-09-06 CN CN201721137020.9U patent/CN207229389U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109458334A (en) * | 2017-09-06 | 2019-03-12 | 上海海立电器有限公司 | Compressor and its manufacturing method |
| WO2022148069A1 (en) * | 2021-01-08 | 2022-07-14 | 广东美芝精密制造有限公司 | Compressor and assembly method therefor |
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| GR01 | Patent grant |