CN206320035U - There is the horizontal type scroll compressor of non-return valve in a kind of oil circuit - Google Patents
There is the horizontal type scroll compressor of non-return valve in a kind of oil circuit Download PDFInfo
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- CN206320035U CN206320035U CN201720189071.XU CN201720189071U CN206320035U CN 206320035 U CN206320035 U CN 206320035U CN 201720189071 U CN201720189071 U CN 201720189071U CN 206320035 U CN206320035 U CN 206320035U
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- bearing
- connecting shaft
- oil
- rear bearing
- horizontal type
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Abstract
The utility model discloses the horizontal type scroll compressor in a kind of oil circuit with non-return valve, including casing, frame, orbiter, fixed scroll, bent axle, rear bearing sheet, bearing block, non-return valve and fuel sucking pipe, rear bearing sheet is arranged in the rear portion of casing, the rear of rear bearing sheet includes oil sump, and bearing block is arranged on rear bearing sheet；The anterior fore bearing by frame of bent axle is supported, and rear portion is supported by the rear bearing in bearing block, and orbiter is driven by the crank throw of crankshaft front end by crank throw bearing；Bearing block includes shoe cream room, and the upper end of fuel sucking pipe connects shoe cream room, and lower end is inserted into oil sump；Non-return valve is arranged in the oil circuit of the bottom of rear bearing sheet, and bent axle includes body and connecting shaft, and connecting shaft is to be detachably connected with body；Body and the connecting portion of connecting shaft are in the front of rear bearing, and connecting shaft is supported by rear bearing.The utility model is when crankshaft rear end needs to safeguard, it is not necessary to changes whole bent axle, reduces the cost of maintenance.
Description
[technical field]
The utility model is related to the horizontal type scroll pressure in horizontal type scroll compressor, more particularly to a kind of oil circuit with non-return valve
Contracting machine.
[background technology]
Traditional horizontal type scroll compressor, operationally, refrigeration oil flows to shoe cream room from motor cavity；During shutdown, refrigeration oil
By the bottom access on separating plate, motor cavity is flowed back to, so that shoe cream room pasta is not sufficiently stable.
Application No. CN201310046460.3 patent application discloses a kind of horizontal type scroll compressor, includes housing
With compressor means portion, bent axle, frame, supported diaphragm and the motor part in housing, frame and supported diaphragm will be empty in housing
Between be divided into compressor means portion room, motor part room and accumulator, compressor means portion is located at compressor means portion room, including
There are fixed scroll and the orbiter being placed in fixed scroll, fixed scroll is connected to frame, fixed scroll and machine
Multiple paths are provided with frame, air intake duct is inserted in fixed scroll through housing；Motor part is located in motor part room, bent
Axle connects orbiter and the rotor of motor part, crankshaft end be located at accumulator and with fuel sucking pipe members；Blast pipe
It is connected through housing with accumulator top；The upper and lower part of supported diaphragm is respectively equipped with gas passage and oily path, and oil is logical
Road, which is provided with, makes oil can to reduce oil from compressor to freeze cycle from motor section room to the non-return valve of accumulator one-way flow
The freezing oil mass of outflow.
, it is necessary to which whole bent axle is changed when traditional screw compressor crankshaft rear end is damaged, maintenance cost is added；Tradition
The dynamic price fixing of screw compressor when being made using aluminum alloy materials, the dynamic and static scroll plate of aluminium alloy is at a high speed and under high specific pressure
Intermesh, easily occur mutual adhesion, so that compressor failure.
[content of the invention]
When the technical problems to be solved in the utility model is to provide a kind of crankshaft rear end damage, it is not necessary to change whole bent axle
Fall, maintenance cost is relatively low, have the horizontal type scroll compressor of non-return valve in oil circuit.
The dynamic and static scroll plate that the utility model technical problem further to be solved is to provide a kind of aluminium alloy is not susceptible to
There is the horizontal type scroll compressor of non-return valve in mutual adhesion, oil circuit.
In order to solve the above-mentioned technical problem, the technical solution adopted in the utility model is that have non-return valve in a kind of oil circuit
Horizontal type scroll compressor, including casing, frame, orbiter, fixed scroll, bent axle, rear bearing sheet, bearing block, non-return valve
And fuel sucking pipe, rear bearing sheet is arranged in the rear portion of casing, and the rear of rear bearing sheet includes oil sump, and bearing block is arranged on rear bearing sheet
On；Bent axle includes axial oil duct, and the anterior fore bearing by frame of bent axle is supported, and rear portion is by the rear bearing branch in bearing block
Hold, orbiter is driven by the crank throw of crankshaft front end by crank throw bearing；Bearing block includes shoe cream room, and the upper end of fuel sucking pipe is connected
Shoe cream room, lower end is inserted into oil sump；Described non-return valve is arranged in the oil circuit of the bottom of rear bearing sheet, and bent axle includes body
And connecting shaft, connecting shaft is to be detachably connected with body；Body and the connecting portion of connecting shaft are in the front of rear bearing, connecting shaft
Supported by rear bearing.
Above-described horizontal type scroll compressor, is threadedly coupled between body and connecting shaft.
The material of above-described horizontal type scroll compressor, orbiter and fixed scroll is aluminium alloy, orbiter and
Fixed scroll respectively includes scroll wrap and teeth groove, and the outer surface of the scroll wrap and teeth groove includes hard anodizing horizon.
Above-described horizontal type scroll compressor, the thickness of the hard anodizing horizon is 5 μm to 15 μm.
Above-described horizontal type scroll compressor, fore bearing, rear bearing and crank throw bearing are all rolling bearings；Described axle
Bearing includes oil sealing bearing bore and shoe cream room, and the outer ring of oil sealing is arranged in the oil sealing bearing bore of bearing block, and described shoe cream room is located at
Behind oil seal lip；The rear end of connecting shaft includes oil sealing axle journal, and oil sealing axle journal passes through the lip of oil sealing, the described oil storage of insertion
Chamber；The upper end connection shoe cream room of fuel sucking pipe, lower end is inserted into oil sump.
The connecting shaft of the utility model horizontal type scroll compressor, to be detachably connected, is conducive to part more with crankshaft body
Change, when bent axle needs to safeguard, it is not necessary to whole bent axle is changed, the cost of maintenance is reduced.
[brief description of the drawings]
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the sectional view of the utility model embodiment horizontal type scroll compressor.
Fig. 2 is the sectional view of the utility model embodiment fixed scroll.
Fig. 3 is the partial enlarged drawing at I positions in Fig. 2.
[embodiment]
The horizontal air-conditioned screw compressor of the utility model embodiment is as shown in Figure 1 to Figure 3, including casing 1, frame 11, dynamic
Scroll plate 3, fixed scroll 4, bent axle, crankshaft front bearing 20, crankshaft rear bearing 13, it is bearing block 6, oil sealing 12, rear bearing sheet 10, inverse
Only valve 8, blast pipe 15, suction line 16 and fuel sucking pipe 5.
The cavity E at the middle part of casing 1 is connected by the high pressure chest C anterior with casing of exhaust passage 21.Rear bearing sheet (baffle plate)
10 are arranged in the rear portion of casing, and blast pipe 15 is arranged on the inner chamber A's in the rear of rear bearing sheet 10, the rear casing of rear bearing sheet 10
Pressure is pressure at expulsion, and inner chamber A bottom is oil sump.
The periphery of rear bearing sheet 10 is weldingly fixed on casing 1, there is oil duct and air flue, oil duct and air flue on rear bearing sheet 10
Connect the cavity E and the inner chamber A at the rear of rear bearing sheet 10 at the middle part of casing 1.Check is installed on the oil duct of the bottom of rear bearing sheet 10
Valve 8.Bearing block 6 is fixed by screws in the endoporus at the middle part of rear bearing sheet 10.
Bent axle includes crankshaft body 2 and connecting shaft 7, and connecting shaft 7 is removably attached to the rear end of crankshaft body 2.
Crankshaft body 2 it is anterior by frame 11 crankshaft front bearing 20 support, crankshaft front bearing 20 is roller axle
Hold, rear portion is supported by the crankshaft rear bearing 13 in bearing block 6, rear bearing 13 is ball bearing.
Using being threadedly coupled between crankshaft body 2 and connecting shaft 7, the connecting portion of crankshaft body 2 and connecting shaft 7 is in rear axle
Hold 13 front, connecting shaft 7 supports by rear bearing 13.
There is crank throw 201 front end of crankshaft body 2, and it is the oil sealing axle journal 701 coordinated with oil sealing 12 that the rear end of connecting shaft 7, which has,
Bent axle axial direction oil duct 205 passes through crankshaft body 2 and connecting shaft 7.
The axial oil duct 205 of bent axle is communicated with the end of crankshaft crank 201, and the pressure oil that the axial conveying of oil duct 205 comes is first
First lubrication quill bearing 22, then flows into the inner chamber of frame 11, lubricates crankshaft front bearing 20.Crank throw 201 passes through needle bearing 22
Coordinate with the drive hole of orbiter 13.
As shown in figure 1, the endoporus of bearing block 6 includes bearing bearing bore and oil sealing bearing bore, the outer ring of crankshaft rear bearing 13 is fixed
In the bearing bearing bore of bearing block 6, the inner ring of crankshaft rear bearing 13 is fixed on the bearing of connecting shaft 7 and installed on axle journal.
The outer ring of oil sealing 12 is arranged in the oil sealing bearing bore of bearing block 6, and the shoe cream room of bearing block 6 is located at after oil sealing bearing bore
Portion.
There is the mounting hole of fuel sucking pipe 5 at the rear portion of bearing block 6, and mounting hole is communicated with the shoe cream room at oil sealing bearing bore rear portion.Oil suction
The upper end of pipe 5 is connected in the mounting hole of bearing block 6, the oil sump of lower end insertion casing 1 bottom.
The oil sealing axle journal 701 of the rear end of connecting shaft 7 passes through the lip of oil sealing 12, in the shoe cream room for inserting bearing block 6.
The utility model embodiment orbiter 3 and fixed scroll 4 are all aluminum alloy materials, and carry out surface hard sun
There is hard anodizing horizon the outer surface of pole oxidation processes, dynamic and static scroll wrap and teeth groove.Carried out below by taking fixed scroll as an example
Illustrate, as shown in Figures 2 and 3, fixed scroll includes scroll wrap 401 and teeth groove 402, and fixed scroll carried out surface hard anode
There is hard anodizing horizon 403 outer surface of oxidation processes, scroll wrap 401 and teeth groove 402, hard anodizing horizon 403
Thickness is 10 μm.The tooth top of orbiter scroll wrap is directly contacted with the teeth groove of fixed scroll, between the two by film lubrication,
Wear-resistant pad need not be installed again between orbiter and fixed scroll.
The connecting shaft of the utility model above example horizontal type scroll compressor is to be detachably connected with crankshaft body, favorably
In the replacing of part, when bent axle needs to safeguard, it is not necessary to change whole bent axle, reduce the cost of maintenance.
There is hard anodizing horizon on the orbiter of the utility model above example and the surface of fixed scroll, move,
Fixed scroll is not susceptible to adhesion, and reduces the coefficient of friction between dynamic and static scroll plate, improves the efficiency of compressor
Than.
The utility model above example horizontal type scroll compressor bearing related to bent axle all uses rolling bearing, bent axle
The rotational resistance of the shoe cream room oil sealing sealing at rear portion oil-feed position, rolling bearing and oil sealing is small, transmission efficiency, service life
Long, fault rate is low, and the utility model above example is suitable for the compressor run at high speed.
Claims (5)
1. there is the horizontal type scroll compressor of non-return valve in a kind of oil circuit, including casing, frame, orbiter, fixed scroll, song
Axle, rear bearing sheet, bearing block, non-return valve and fuel sucking pipe, rear bearing sheet are arranged in the rear portion of casing, and the rear of rear bearing sheet includes
Oil sump, bearing block is arranged on rear bearing sheet；Bent axle includes axial oil duct, and the anterior fore bearing by frame of bent axle is supported,
Rear portion is supported by the rear bearing in bearing block, and orbiter is driven by the crank throw of crankshaft front end by crank throw bearing；Bearing block bag
Shoe cream room is included, the upper end of fuel sucking pipe connects shoe cream room, and lower end is inserted into oil sump；Described non-return valve is arranged on rear bearing sheet
In the oil circuit of bottom, it is characterised in that bent axle includes body and connecting shaft, connecting shaft is to be detachably connected with body；Body with
The connecting portion of connecting shaft is supported in the front of rear bearing, connecting shaft by rear bearing.
2. horizontal type scroll compressor according to claim 1, it is characterised in that be threadedly coupled between body and connecting shaft.
3. horizontal type scroll compressor according to claim 1, it is characterised in that the material of orbiter and fixed scroll is
Aluminium alloy, orbiter and fixed scroll respectively include scroll wrap and teeth groove, and the outer surface of the scroll wrap and teeth groove includes hard
Anodic oxide coating.
4. horizontal type scroll compressor according to claim 3, it is characterised in that the thickness of the hard anodizing horizon is
5 μm to 15 μm.
5. horizontal type scroll compressor according to claim 1, it is characterised in that fore bearing, rear bearing and crank throw bearing are all
It is rolling bearing；Described bearing block includes oil sealing bearing bore and shoe cream room, and the outer ring of oil sealing is arranged on the oil sealing bearing bore of bearing block
In, described shoe cream room is located at behind oil seal lip；The rear end of connecting shaft includes oil sealing axle journal, and oil sealing axle journal passes through oil sealing
Lip, the described shoe cream room of insertion；The upper end connection shoe cream room of fuel sucking pipe, lower end is inserted into oil sump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720189071.XU CN206320035U (en) | 2017-02-28 | 2017-02-28 | There is the horizontal type scroll compressor of non-return valve in a kind of oil circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720189071.XU CN206320035U (en) | 2017-02-28 | 2017-02-28 | There is the horizontal type scroll compressor of non-return valve in a kind of oil circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206320035U true CN206320035U (en) | 2017-07-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720189071.XU Active CN206320035U (en) | 2017-02-28 | 2017-02-28 | There is the horizontal type scroll compressor of non-return valve in a kind of oil circuit |
Country Status (1)
| Country | Link |
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| CN (1) | CN206320035U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022011824A1 (en) * | 2020-07-14 | 2022-01-20 | 艾默生环境优化技术(苏州)有限公司 | Bearing assembly and compressor |
-
2017
- 2017-02-28 CN CN201720189071.XU patent/CN206320035U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022011824A1 (en) * | 2020-07-14 | 2022-01-20 | 艾默生环境优化技术(苏州)有限公司 | Bearing assembly and compressor |
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