CN209228615U - Electric scroll compressor - Google Patents
Electric scroll compressor Download PDFInfo
- Publication number
- CN209228615U CN209228615U CN201821904756.9U CN201821904756U CN209228615U CN 209228615 U CN209228615 U CN 209228615U CN 201821904756 U CN201821904756 U CN 201821904756U CN 209228615 U CN209228615 U CN 209228615U
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- friction pad
- bearing block
- orbiter
- scroll
- oil
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Abstract
The utility model discloses a kind of electric scroll compressors, including the fixed scroll in casing, it is equipped in the scroll portion of fixed scroll and engages the orbiter being screwed on scroll portion, friction pad is equipped between the working face of bearing block and the inner face of orbiter, the lubricating oil runner being connected to bearing block inner cavity is equipped on the working face of bearing block, lubricating oil runner includes the oil-feed tank of the oil return hole of annular groove and connection annular groove and friction pad, and a plurality of radial oil groove being connected to bearing block inner cavity is set on annular groove；Friction pad includes the quiet disk pressing pad portion that pad body and muti-piece be located at friction pad body edges that rubs；Flying height is equipped between the inner face of orbiter and the friction pad body of friction pad.Compared with the prior art, the utility model can solve existing electric scroll compressor, and oil return effect is bad during operation, the problem that noise is big and movement parts service life is short.
Description
Technical field
The utility model relates to screw compressor manufacturing technology field, especially a kind of electric scroll pressure that can reduce noise
Contracting machine.
Background technique
Currently, electric scroll compressor on the market includes the fixed scroll being inserted into casing mostly, the quiet whirlpool
Capstan is connect by being located at the quiet disk seat of back side with casing；It is equipped in the scroll portion of the fixed scroll and is nibbled with the scroll portion
The orbiter being screwed on is closed, the orbiter is mounted in one end of eccentric shaft by Moving plate bearing, and the eccentric shaft passes through bearing
Seat bearing is on bearing block, and the working face of the bearing block and the inner face of the fixed scroll mutually slip, in the quiet whirlpool
Friction pad is equipped between the working face of the inner face and the bearing block of the inner face of capstan and the orbiter；It rubs described
The oil return hole for the lubricating oil runner being connected on the working face of the bearing block is respectively equipped in scrubbing pad, the fixed scroll, it is described
Lubricating oil runner is connected with bearing block inner cavity.When work, from low pressure chamber after the dynamic and static scroll plate compression that oil gas is mutually screwed on
Into high pressure chest, oil gas in high-pressure oil gas to by way of engagement portion etc. that is screwed on of dynamic and static scroll plate be lubricated；Into high pressure
The compressed gas of chamber goes out through exhaust outlet, and the lubricating oil being separated successively is located at fixed scroll, the oil return hole on friction pad
Bearing block inner cavity is reached with the oil circuit that the lubricating oil runner of friction pad and the working face of bearing block encloses.This electric scroll pressure
There are the following problems in use for contracting machine: due to dynamic and static scroll plate the engagement portion of being screwed on can only oil gas from low pressure chamber into
It is lubricated when entering high pressure chest, and is not entered low pressure chamber from the high pressure oil of high pressure chest reflux bearing block inner cavity, oil return effect is not
It is good, easily lead to friction pad and dynamic and static scroll plate engagement be screwed on portion and inner face abrasion it is fast, cause the service life of part to contract
It is short；Simultaneously because the revolving speed of dynamic and static scroll plate is high, lacks oil lubrication and easily occur the big problem of noise during operation.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of electric scroll compressors, to solve existing electronic whirlpool
Revolve the compressor problem that noise is big during operation and movement parts service life is short.
The utility model technical scheme applied to solve the technical problem are as follows: this includes the fixed scroll in casing,
The fixed scroll is connect by being located at the quiet disk seat of back side with casing；In the scroll portion of the fixed scroll be equipped with it is described
Scroll portion engages the orbiter being screwed on, and the orbiter is mounted in one end of eccentric shaft, the eccentric shaft by Moving plate bearing
Through bearing block bearing on bearing block；It is equipped between the working face of the bearing block and the inner face of the orbiter
Friction pad is equipped with the lubricating oil runner being connected to bearing block inner cavity, the lubricating oil runner on the working face of the bearing block
The oil-feed tank of oil return hole including annular groove and the connection annular groove and the friction pad, set on the annular groove it is a plurality of with
The radial oil groove of the bearing block inner cavity connection；The friction pad includes that friction pad body and muti-piece are located at the friction pad body
The quiet disk of edge presses pad portion；The fixed scroll by be pressed together on the friction pad quiet disk press pad portion on outer ring with
The working face of the bearing block mutually crimps, and sets between the inner face of the orbiter and the friction pad body of the friction pad
There is flying height.
In above-mentioned electric scroll compressor technical solution, more specific technical solution may also is that the orbiter
The flying height between inner face and the friction pad body of the friction pad is 0.01 millimeter~0.03 millimeter.
Further: the quiet disk pressing pad portion is four pieces, and four pieces of quiet disk pressing pad portions are evenly arranged on the friction pad
The edge of ontology.
Further: the pin that the friction pad is inserted on the friction pad body by more is located in the bearing
On the working face of seat.
Further: the pin that the friction pad is inserted on the friction pad body by more is located in the bearing
On the working face of seat.
Further: the fixed scroll is equipped with strainer at oil return hole.
By adopting the above-described technical solution, the utility model have the following beneficial effects: 1 compared with prior art, by
Flying height is equipped between the inner face of orbiter and the friction pad body of friction pad in this electric scroll compressor；Work
When, enter high pressure chest from low pressure chamber after the engaged dynamic and static scroll plate compression being screwed on of oil gas, the compressed gas into high pressure chest passes through
Exhaust outlet goes out, and the lubricating oil being separated is successively by being located at fixed scroll, the oil return hole on friction pad and friction pad and axis
Hold the oil circuit arrival bearing block inner cavity that the lubricating oil runner of the working face of seat encloses；Intracavitary lubricating oil is filled in bearing block
After can generate back pressure, back pressure effect can make to rub on friction pad body pad body toss about with respect to orbiter bias generate it is micro- floating
Dynamic and deformation, floats, lubricating oil is then from the friction pad body of the inner face of orbiter and friction pad at this point, orbiter is micro
Between micro-deformation generate oil spilling gap in overflow, the lubricating oil after spilling will from air entry suck low pressure chamber, hence into
Next circulation is lubricated the movement parts such as the scroll portion of orbiter, friction pad and fixed scroll, extends making for part
Use the service life；Simultaneously because dynamic and static scroll plate has the lubrication of lubricating oil in high speed rotation, noise is greatly reduced；2, due to
It is 0.01 millimeter~0.03 millimeter that flying height is equipped between the inner face of orbiter and the friction pad body of friction pad, not
A small amount of oil in system is utilized in the case where the refrigerating capacity for influencing compressor, it can abundant bearing block bearing, friction pad, Yi Jidong
Quiet disk is lubricated, and is played the effect of lubricating oil to the maximum extent, the frictional force of each rubbing surface is reduced, to reach reduction noise
The effect in elongated component service life.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment.
Fig. 2 is the top view of Fig. 1.
The structural schematic diagram of the friction pad of Fig. 3 the utility model embodiment.
Specific embodiment
Below in conjunction with attached drawing, the utility model is described in further detail:
Embodiment 1:
Electric scroll compressor as depicted in figs. 1 and 2 includes the fixed scroll 3 in casing 5, and fixed scroll 3 is logical
It crosses and is located at the quiet disk seat 2 of back side and is connect with casing 5, quiet disk seat 2, which passes through, installs more bolts 4 on quiet disk seat 2 mounted in casing 5
One end；It is equipped in the scroll portion of fixed scroll 3 and engages the orbiter 12 being screwed on its scroll portion, the orbiter 12 is logical
One end that Moving plate bearing 11 is sleeved on eccentric shaft 10 is crossed, eccentric shaft 10 is housed on bearing block 7 by bearing block axis 9, in bearing
Friction pad 6 is equipped between the working face of seat 7 and the inner face of orbiter 12, the present embodiment is inserted into friction pad by six
Pin 8 on ontology is located on the working face of bearing block 7；It offers on the working face of bearing block 7 and connects with bearing block inner cavity C
Logical lubricating oil runner, the lubricating oil runner include the annular groove 7-1 and oil return hole 6- for being connected to annular groove 7-1 and friction pad 6
2 oil-feed tank 7-3, the present embodiment set five radial oil groove 7-2 being connected to bearing block inner cavity C on annular groove 7-1, and five
Item radial direction oil groove 7-2 is distributed on the working face of bearing block 7；Friction pad 6 as shown in Figure 3 includes friction pad body and four
Block is located at the pressing of the quiet disk at friction pad body edges pad portion 6-1, and four pieces of quiet disk pressing pad portion 6-1 are evenly arranged on friction pad body
Edge, to ensure that the friction pad body between adjacent two pieces of quiet disks pressing pad portion 6 is at least covered with a radial oil groove 7-
2；The working face that fixed scroll 3 presses outer ring and bearing block 7 on pad portion 6-1 by being pressed together on the quiet disk of friction pad 6 is mutually pressed
It connects；The height of orbiter 12 is less than the height of the scroll portion of fixed scroll 3, and the height of the orbiter 12 of the present embodiment is less than
The height of the scroll portion of fixed scroll 3, that is to say, that between the inner face of orbiter 12 and the friction pad body of friction pad 6
Equipped with flying height, the flying height of the present embodiment is 0.01 millimeter；The oil return hole of friction pad 6 is provided with one of quiet disk pressure
It closes on pad portion 6-1, which is connected with the oil-feed tank 7-3 on the working face of bearing block 7.
Embodiment 2:
Flying height is equipped between the inner face of orbiter 12 and the friction pad body of friction pad 6, the present embodiment
Flying height is 0.03 millimeter, other features are same as Example 1.
When work, enter high pressure chest A from low pressure chamber B after the engaged dynamic and static scroll plate compression being screwed on of oil gas, into high pressure
The compressed gas of chamber A goes out through exhaust outlet, and the lubricating oil being separated first passes through the oil return hole 3-1 entrance mounted in fixed scroll 3
The strainer 1 at place, filtered lubricating oil successively by being located at the oil return hole 3-1 of fixed scroll 3, the oil return hole on friction pad 6
The oil circuit that lubricating oil runner on the working face of the friction pad body and bearing block of 6-2 and friction pad 6 encloses reaches bearing block
Inner cavity C；Lubricating oil in the C of bearing block inner cavity can generate back pressure after being filled, back pressure effect can make to rub on friction pad body
Pad body is tossed about with respect to 12 bias of orbiter generates micro- floating and deformation, floats at this point, orbiter 12 is micro, lubricating oil is then
It overflows, overflows in the oil spilling gap that micro-deformation generates between the inner face of orbiter 12 and the friction pad body of friction pad 6
Lubricating oil after out will suck low pressure chamber B from air entry, hence into next circulation to orbiter 12, friction pad 6 and quiet
The movement parts such as the scroll portion of scroll plate 3 are lubricated.
Claims (6)
1. a kind of electric scroll compressor, including the fixed scroll in casing, the fixed scroll is by being located at back side
Quiet disk seat is connect with casing；It is equipped in the scroll portion of the fixed scroll and engages the orbiter being screwed on the scroll portion,
The orbiter is mounted in one end of eccentric shaft by Moving plate bearing, and the eccentric shaft is mounted in bearing block by bearing block bearing
On；Friction pad is equipped between the working face of the bearing block and the inner face of the orbiter, in the work of the bearing block
Make face and be equipped with the lubricating oil runner that be connected to bearing block inner cavity, it is characterised in that: the lubricating oil runner include annular groove with
It is connected to the oil-feed tank of the oil return hole of the annular groove and the friction pad, is set on the annular groove in a plurality of and bearing block
The radial oil groove of chamber connection；The friction pad includes the quiet disk that pad body and muti-piece be located at the friction pad body edges that rubs
Press pad portion；The fixed scroll passes through the outer ring being pressed together in the quiet disk pressing pad portion of the friction pad and the bearing block
Working face mutually crimps, and flying height is equipped between the inner face of the orbiter and the friction pad body of the friction pad.
2. electric scroll compressor according to claim 1, it is characterised in that: the inner face of the orbiter with it is described
The flying height between the friction pad body of friction pad is 0.01 millimeter~0.03 millimeter.
3. electric scroll compressor according to claim 1 or 2, it is characterised in that: the quiet disk pressing pad portion is four pieces,
Four pieces of quiet disks pressing pad portions are evenly arranged on the edge of the friction pad body, and the oil return hole of the friction pad is located at wherein one
In quiet disk pressing pad portion described in block.
4. electric scroll compressor according to claim 3, it is characterised in that: the friction pad is inserted into institute by more
The pin stated on friction pad body is located on the working face of the bearing block.
5. electric scroll compressor according to claim 4, it is characterised in that: a plurality of radial oil groove is distributed in
On the working face of the bearing block.
6. electric scroll compressor according to claim 4, it is characterised in that: the fixed scroll is equipped at oil return hole
Strainer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821904756.9U CN209228615U (en) | 2018-11-19 | 2018-11-19 | Electric scroll compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821904756.9U CN209228615U (en) | 2018-11-19 | 2018-11-19 | Electric scroll compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209228615U true CN209228615U (en) | 2019-08-09 |
Family
ID=67503513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821904756.9U Active CN209228615U (en) | 2018-11-19 | 2018-11-19 | Electric scroll compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209228615U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111749898A (en) * | 2020-07-06 | 2020-10-09 | 山东众诚新能源股份有限公司 | Static disc of scroll compressor |
| CN115479029A (en) * | 2021-05-27 | 2022-12-16 | 湖南贝特新能源科技有限公司 | Scroll compressor |
-
2018
- 2018-11-19 CN CN201821904756.9U patent/CN209228615U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111749898A (en) * | 2020-07-06 | 2020-10-09 | 山东众诚新能源股份有限公司 | Static disc of scroll compressor |
| CN111749898B (en) * | 2020-07-06 | 2022-03-22 | 山东众诚新能源股份有限公司 | Static disc of scroll compressor |
| CN115479029A (en) * | 2021-05-27 | 2022-12-16 | 湖南贝特新能源科技有限公司 | Scroll compressor |
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