CN208831236U - A kind of horizontal compressor - Google Patents
A kind of horizontal compressor Download PDFInfo
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- CN208831236U CN208831236U CN201821444523.5U CN201821444523U CN208831236U CN 208831236 U CN208831236 U CN 208831236U CN 201821444523 U CN201821444523 U CN 201821444523U CN 208831236 U CN208831236 U CN 208831236U
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Abstract
The utility model relates to air-conditioning system technical field, in particular to a kind of horizontal compressor.The horizontal compressor includes shell and pump assembly, forms cavity in shell, and the bottom of cavity is formed with oil sump, is formed with the air inlet being connected to cavity at the top of shell；Pump assembly is set in cavity, and pump assembly is formed with working chamber, sliding vane groove, air intake structure and exhaust structure；The open at one end of sliding vane groove is connected to working chamber, and another end opening is located at the horizontal centre of pump assembly facing towards the side of oil sump and is connected to oil sump；The open at one end of air intake structure is connected to working chamber, and the horizontal central plane that another end opening is located at pump assembly deviates from the side of oil sump and is connected to cavity.The horizontal compressor improves the height of air inlet, prevents the liquid refrigerants being stored in compression case body from entering in the working chamber of pump assembly, it is ensured that safety and reliability of the horizontal compressor of low back-pressure structure under low temperature or shutdown status.
Description
Technical field
The utility model relates to air-conditioning system technical field, in particular to a kind of horizontal compressor.
Background technique
Freezing and refrigeration and on-board air conditioner generally require compressor to install in horizontal form because of the limitation of its installation space.And show
Compressor form is essentially highback laminated structure in shell, i.e. air-breathing low pressure is directly discharged into compressor pump component by system
Working chamber is compressed, and compression is discharged into compressor housing after being over, then the exhaust pipe by being arranged on shell enters system and follows
Ring.It is cold in system when and compressor shutdown state lower in environment temperature because compressor air suction, exhaust are connected with system
Matchmaker is largely filled by liquid coolant in compression case body because temperature, pressure considerations can move in compression case body.This
When the suction side of the horizontal compressor of kind highback laminated structure is provided with liquid storage device, low temperature or shutdown, system low-voltage refrigerant is entered
In liquid storage device.
But for the compressor of back-pressure structure low in shell, because of its not set liquid storage device or reservoir volume very little,
Liquid refrigerants when being not enough to accommodate low temperature or shutting down, therefore liquid refrigerants can directly fill compression shell.When being low in shell
Back-pressure structure, pump housing air-breathing are directly communicated with shell, and liquid refrigerants is directly entered compression chamber, are hydraulic when compressor start is run
Contracting situation because refrigerant is liquid, therefore dilutes serious, lubrication badly to oil film, will cause abrasion exception, compression under this state
The stuck situation of machine；Compressed liquid acting simultaneously sharply increases, and pump housing stress steeply rises, and will cause pump housing dislocation, screw power not
The serious integrity problems such as foot are very big to exhaust valve plate impact, be easily broken off separately because of the non-liquid of exhaust gas conditions.
Utility model content
The utility model discloses a kind of horizontal compressor, for solve the horizontal compressor of low back-pressure structure in low temperature or
When shutdown, the compression chamber that liquid refrigerants easily flows back into horizontal compressor is asked what the reliability of horizontal compressor made a very bad impression
Topic, to ensure safety and reliability of the horizontal compressor of low back-pressure structure under low temperature or shutdown status.
In order to achieve the above objectives, the utility model the following technical schemes are provided:
A kind of pump assembly, comprising: shell and pump assembly, the shell is interior to form cavity, and the bottom of the cavity
Portion is formed with oil sump, is formed with the air inlet being connected to the cavity at the top of the shell；The pump assembly is set to institute
It states in cavity, and the pump assembly is formed with working chamber, sliding vane groove, air intake structure and exhaust structure；Wherein:
The open at one end of the sliding vane groove is connected to the working chamber, and another end opening is located at the level of the pump assembly
Median plane towards the oil sump side and be connected to the oil sump；
The open at one end of the air intake structure is connected to the working chamber, and another end opening is located at the water of the pump assembly
Flat median plane deviates from the side of the oil sump and is connected to the cavity；
The exhaust structure is open at one end to be connected to the working chamber, and another end opening passes through exhaust pipe and the shell
External environment connection.
Above-mentioned horizontal compressor is improved by the structure to air intake structure, the height of air inlet is improved, so that air suction structure
Opening for connecting housing hollow is located at the horizontal central plane of pump assembly or more, when horizontal compressor is in low temperature or shutdown
When state, it is liquid into the cooling medium liquefaction in compression case body and is stored in shell, due to the air inlet position of air suction structure
Height is set, can prevent the intracorporal liquid refrigerants of shell from entering in the working chamber of pump assembly, it is ensured that the Horizontal type pressure of low back-pressure structure
Safety and reliability of the contracting machine under low temperature or shutdown status.
Optionally, the air intake structure includes head and the tail the first inlet channel of connection and the second inlet channel；
First inlet channel is connected to second inlet channel and the cavity；
Second inlet channel is connected to first inlet channel and the working chamber；
Second inlet channel is used to be connected to the close sliding vane groove open at one end of the working chamber.
Optionally, the extending direction for extending perpendicularly to second inlet channel of first inlet channel.
Optionally, the pump assembly include the first flange set gradually along the axis direction of the shell, cylinder and
Second flange, the cylinder are set between the first flange and the second flange, the cylinder and the first flange
The working chamber is cooperatively formed with the second flange.
Optionally, the surface of the cylinder towards the first flange is formed with air inlet duct, and the air inlet duct is used for and institute
It states first flange and forms the air intake structure.
Optionally, the cylinder is formed with air discharge duct towards the surface of the second flange, and the air discharge duct is used for and institute
It states second flange and forms the exhaust structure.
Optionally, the pump assembly further includes the exhaust partition being set between the cylinder and the second flange；
The exhaust partition is formed with air discharge duct, the air discharge duct and second method towards the surface of the second flange
First exhaust passage is formed between orchid；
The second exhaust channel for being connected to the working chamber and the first exhaust passage is formed on the exhaust partition；
The first exhaust passage and the second exhaust channel form the exhaust structure.
Optionally, the shell is provided with the air inlet pipe being connected to the air inlet, and the air inlet pipe is described for being connected to
Cavity and extraneous refrigerant source.
Detailed description of the invention
It, below will be in the utility model embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Required attached drawing is briefly described, it should be apparent that, attached drawing described below is only the one of the utility model
A little embodiments for those of ordinary skill in the art without creative efforts, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is the structural schematic diagram of horizontal compressor in the prior art；
Fig. 2 is a kind of structural schematic diagram of horizontal compressor provided by the embodiment of the utility model；
Fig. 3 is the structural schematic diagram of air intake structure in the pump assembly of horizontal compressor in the prior art；
Fig. 4 is that the structure of air intake structure in a kind of pump body structure of horizontal compressor provided by the embodiment of the utility model is shown
It is intended to.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described.
The specific structure of highback laminated structure horizontal compressor in the prior art is as shown in Figure 1, include shell and the pump housing
Component, wherein shell is made of drive end bearing bracket 3, enclosure body 16 and right end cap 13, is formed with oil sump 7 in the bottom of shell；The pump housing
Component is set in the cavity of shell, and pump assembly includes first flange 4, cylinder 8 and second flange 11, in first flange 2
It is provided with the upstream component 6 being connected to oil sump, is imported the lubricating oil in oil sump 7 in the sliding vane groove of pump assembly；Crankshaft 5 one
End is arranged in pump assembly, and the other end connects rotor 14, and stator 12 is sheathed on rotor 14.Be provided in enclosure body 16 into
Tracheae 1 and exhaust pipe 2, wherein air inlet pipe 1 is directly connected to the working chamber of pump assembly refrigerant to be introduced directly into working chamber
Compression, the refrigerant for compressing completion is drained into the cavity of shell, then is drained into ambient systems and is recycled via exhaust pipe 2.It is this
When the suction side of the horizontal compressor of highback laminated structure is provided with liquid storage device, low temperature or shutdown, system low-voltage refrigerant enters storage
In liquid device.
In specific works, the horizontal compressor of low back-pressure structure can be also used, but existing low back-pressure structure is sleeping
Formula compressor is not enough to accommodate liquid refrigerants when low temperature or shutdown because of its not set liquid storage device or reservoir volume very little, because
This liquid refrigerants can directly fill compression shell, be stored in the working chamber that the intracorporal liquid refrigerants of shell is easily accessible pump assembly
It is interior, influence the safety and reliability of compressor.
In order to solve problem above, the utility model embodiment provides a kind of horizontal compressor of low back-pressure structure, under
Technical solution provided by the embodiment of the utility model is introduced in conjunction with attached drawing in face.
As shown in Figure 2 and Figure 4, the utility model embodiment provides a kind of horizontal compressor, comprising: shell and pump housing group
Part, forms cavity in shell, and the bottom of cavity is formed with oil sump 7, is formed with the air inlet being connected to cavity at the top of shell；
Pump assembly is set in cavity, and pump assembly is formed with working chamber, sliding vane groove 8.2, air intake structure 8.1 and exhaust knot
Structure；Wherein: the open at one end of sliding vane groove 8.2 is connected to working chamber, and the horizontal centre that another end opening is located at pump assembly faces
To oil sump 7 side and be connected to oil sump 7；The open at one end of air intake structure 8.1 is connected to working chamber, and another end opening is located at
The horizontal central plane of pump assembly deviates from the side of oil sump 7 and is connected to cavity；Exhaust structure is open at one end to be connected with working chamber
Logical, another end opening is connected to by exhaust pipe 2 with the external environment of shell.
It is low back-pressure structure in the horizontal compressor shell, the pump assembly of compressor is horizontally placed in shell, i.e. pump housing group
The axis direction of part is parallel to horizontal plane.It is formed with oil sump 7 in the bottom of shell, the sliding vane groove 8.2 on pump assembly deviates from work
Make the oil sump 7 open at one end towards housing bottom of chamber and be connected to oil sump 7, the lubricating oil in oil sump 7 is passed through into the group that oils
Part 6 is imported into sliding vane groove 8.2, is lubricated to the slide plate in sliding vane groove 8.2.Air inlet is formed at the top of shell, outside
The refrigerant in portion is entered in shell by the air inlet.
Under normal circumstances, gaseous coolant is entered in compression case body by air inlet, the rear working chamber into pump assembly into
Row compression is formed after high pressure refrigerant and is directly discharged in external environment system by exhaust pipe 2.But it is special in shutdown, low temperature etc.
In the case of, cooling medium liquefaction, if in into the liquid refrigerants in compression case body into the working chamber of pump assembly, it can be to compression
The reliability of machine causes serious harm.
As shown in figure 3, the air inlet of the air intake structure 8.1 of pump assembly is located at pump assembly horizontal centre in the prior art
Face is hereinafter, the intracorporal liquid refrigerants of shell is easy to be entered in the working chamber of pump assembly by air intake structure 8.1.And the utility model
The horizontal compressor that embodiment provides, the position open at one end that the air intake structure 8.1 of pump assembly is used to be connected to cavity are improved, should
The horizontal central plane that opening is located at the pump assembly deviates from the side of bottom oil sump 7, that is, is located at pump assembly horizontal central plane
Top.When compressor is being shut down, under low-temperature condition, the intracorporal liquid refrigerants of shell will not enter work by air intake structure 8.1
It is intracavitary, influence the reliability and safety of compressor.
To sum up, horizontal compressor provided by the embodiment of the utility model is improved by the structure to air intake structure 8.1, is mentioned
The height of high air inlet so that air suction structure be used for connect housing hollow opening be located at pump assembly horizontal central plane with
On, prevent the liquid refrigerants being stored in compression case body from entering in the working chamber of pump assembly, it is ensured that low back-pressure structure
Safety and reliability of the horizontal compressor under low temperature or shutdown status.
In a kind of optional embodiment, the shell of compressor is additionally provided with the air inlet pipe 1 being connected to air inlet, for being connected to
The cavity of shell and extraneous refrigerant source, extraneous refrigerant source is imported into the shell of compressor.
As shown in figure 4, above-mentioned air intake structure 8.1 includes that the first air inlet of head and the tail connection is logical in a kind of optional embodiment
Road 8.11 and the second inlet channel 8.12；Wherein, the first inlet channel 8.11 is connected to the second inlet channel 8.12 and cavity；Second
Inlet channel 8.12 is connected to the first inlet channel 8.11 and working chamber, and the second inlet channel 8.12 is used to be connected to one end of working chamber
It is open close to sliding vane groove 8.2.
It is the first opening that the first inlet channel 8.11, which is set, away from the open at one end of the second inlet channel 8.12, for being connected to
Cavity, the first opening of the first inlet channel 8.11 is located at pump assembly surface, and the first opening is located in pump assembly level
The top in heart face deviates from bottom oil sump 7, and the intracorporal liquid refrigerants of shell can be effectively prevent to enter working chamber through air intake structure 8.1
It is interior.Accordingly, the first inlet channel 8.11 is connected to the second inlet channel 8.12 away from the other end of the first opening.
It is the second opening that the second inlet channel 8.12, which is set, for being connected to the open at one end of working chamber, and second opening is close
The position of sliding vane groove 8.2 can reduce air-breathing reflux, improve the dischargeable capacity of pump assembly air-breathing, and corresponding, the second air inlet is logical
Road 8.12 is connected to the first inlet channel 8.11 away from the other end of the second opening.
It is preferably carried out mode as one kind, the extending direction of the first inlet channel 8.11 in the utility model embodiment
Perpendicular to the extending direction of the second inlet channel 8.12.
It should be noted that the cross-sectional shape of the air intake structure 8.1 in the utility model embodiment is without limitation.
In a kind of optional embodiment, pump assembly includes the first flange 4 set gradually along the axis direction of shell, gas
Cylinder 8 and second flange 11；Wherein, cylinder 8 is set between first flange 4 and second flange 11, cylinder 8 and first flange 4 and
Second flange 11 cooperatively forms working chamber.
Above-mentioned air intake structure 8.1 can be set on cylinder 8, also can be set in first flange 4 or second flange 11,
It can also be by being formed between any two structure, as long as can be realized the function of air intake structure 8.1.
In a kind of optional embodiment, the surface of the first flange 4 upward of cylinder 8 is formed with air inlet duct, which is used for
Above-mentioned air intake structure 8.1 is formed with first flange 4.
Wherein air inlet duct is open structure, is set to cylinder 8 towards the surface of first flange 4, when first flange 4 and gas
Cylinder 8 connects, and above-mentioned air intake structure 8.1 is formed between first flange 4 and the inner wall of air inlet duct, 8.1 one end of air intake structure connection
Working chamber, the other end connects housing hollow, and is located at pump assembly horizontal central plane for connecting the open at one end of housing hollow
More than.
In horizontal compressor provided by the embodiment of the utility model, also there are many setting sides for the exhaust structure on pump assembly
Formula, concrete example are as follows.
Mode one
Cylinder 8 is formed with air discharge duct towards the surface of second flange 11, and air discharge duct is above-mentioned for being formed with second flange 11
Exhaust structure.
Wherein, air discharge duct is open structure, is set to cylinder 8 towards the surface of second flange 11, when second flange 11
It is connect with cylinder 8, forms above-mentioned exhaust structure between first flange 4 and the inner wall of air inlet duct, which connects work
Make chamber, the other end connects exhaust pipe 2.
Mode two
Pump assembly further includes the exhaust partition 9 being set between cylinder 8 and second flange 11；Exhaust partition 9 is towards
The surface of two flanges 11 is formed with air discharge duct, forms first exhaust passage between air discharge duct and second flange 11；On exhaust partition 9
It is formed with the second exhaust channel of connection working chamber and first exhaust passage；First exhaust passage and second exhaust channel are formed
State exhaust structure.
Wherein, exhaust partition 9 is set between cylinder 8 and second flange 11, is provided on exhaust partition 9 and is connected with working chamber
Logical second exhaust channel；Exhaust partition 9 forms the air discharge duct of open architecture towards the surface of second flange 11, works as second flange
11 connect with exhaust partition 9, and above-mentioned exhaust structure is formed between second flange 11 and the inner wall of air discharge duct.The exhaust structure one end
Second exhaust channel is connected, the other end connects exhaust pipe 2.
In addition, the shell of compressor is divided into three parts in the axial direction in the utility model embodiment: left end cap 3, shell
Ontology 16 and right end cap 13, three connect the cavity to form shell.Air inlet pipe 1 and exhaust pipe 2 are arranged on left end cap 3.Wherein,
Right end cap 13 is fixed on enclosure body 16 by screw 15.The first sealing ring is provided between left end cap 3 and enclosure body 16
10.1, the second sealing ring 10.2 is provided between right end cap 13 and enclosure body 16.
The stator 12 and 14 coaxial line of rotor of compressor are horizontally placed in shell, and the axis direction of the two is parallel to pump
The horizontal central plane of body component.One end of crankshaft 5 connects rotor 14, and the other end is arranged in above-mentioned pump assembly.
The above, above embodiments are only described in detail to the technical solution to the application, but the above implementation
The method that the explanation of example is merely used to help understand the utility model embodiment, should not be construed as to the utility model embodiment
Limitation.Any changes or substitutions that can be easily thought of by those skilled in the art, should all cover in the utility model embodiment
Within protection scope.
Claims (8)
1. a kind of horizontal compressor characterized by comprising shell and pump assembly, the shell is interior to form cavity, and institute
The bottom for stating cavity is formed with oil sump, is formed with the air inlet being connected to the cavity at the top of the shell；The pump housing group
Part is arranged in the cavity, and the pump assembly is formed with working chamber, sliding vane groove, air intake structure and exhaust structure；Its
In:
The open at one end of the sliding vane groove is connected to the working chamber, and another end opening is located at the horizontal centre of the pump assembly
Facing towards the oil sump side and be connected to the oil sump；
The open at one end of the air intake structure is connected to the working chamber, and another end opening is located in the level of the pump assembly
Heart face deviates from the side of the oil sump and is connected to the cavity；
The exhaust structure is open at one end to be connected to the working chamber, and another end opening passes through the external world of exhaust pipe and the shell
Environmental communication.
2. horizontal compressor according to claim 1, which is characterized in that the air intake structure include head and the tail connection first into
Gas channel and the second inlet channel；
First inlet channel is connected to second inlet channel and the cavity；
Second inlet channel is connected to first inlet channel and the working chamber；
Second inlet channel is used to be connected to the close sliding vane groove open at one end of the working chamber.
3. horizontal compressor according to claim 2, which is characterized in that the extending direction of first inlet channel is vertical
In the extending direction of second inlet channel.
4. horizontal compressor according to claim 1, which is characterized in that the pump assembly includes the axis along the shell
First flange, cylinder and the second flange that line direction is set gradually, the cylinder are set to the first flange and described second
Between flange, the cylinder and the first flange and the second flange cooperatively form the working chamber.
5. horizontal compressor according to claim 4, which is characterized in that the cylinder is towards the surface of the first flange
It is formed with air inlet duct, the air inlet duct is used to form the air intake structure with the first flange.
6. horizontal compressor according to claim 5, which is characterized in that surface of the cylinder towards the second flange
It is formed with air discharge duct, the air discharge duct is used to form the exhaust structure with the second flange.
7. horizontal compressor according to claim 5, which is characterized in that the pump assembly further includes being set to the gas
Exhaust partition between cylinder and the second flange；
The exhaust partition is formed with air discharge duct towards the surface of the second flange, the air discharge duct and the second flange it
Between form first exhaust passage；
The second exhaust channel for being connected to the working chamber and the first exhaust passage is formed on the exhaust partition；
The first exhaust passage and the second exhaust channel form the exhaust structure.
8. horizontal compressor described in any one of -7 according to claim 1, which is characterized in that the shell be provided with it is described
The air inlet pipe of air inlet connection, the air inlet pipe is for being connected to the cavity and extraneous refrigerant source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821444523.5U CN208831236U (en) | 2018-09-04 | 2018-09-04 | A kind of horizontal compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821444523.5U CN208831236U (en) | 2018-09-04 | 2018-09-04 | A kind of horizontal compressor |
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| Publication Number | Publication Date |
|---|---|
| CN208831236U true CN208831236U (en) | 2019-05-07 |
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| CN201821444523.5U Active CN208831236U (en) | 2018-09-04 | 2018-09-04 | A kind of horizontal compressor |
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| CN (1) | CN208831236U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109113993A (en) * | 2018-09-04 | 2019-01-01 | 珠海凌达压缩机有限公司 | A kind of horizontal compressor |
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2018
- 2018-09-04 CN CN201821444523.5U patent/CN208831236U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109113993A (en) * | 2018-09-04 | 2019-01-01 | 珠海凌达压缩机有限公司 | A kind of horizontal compressor |
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