CN101907093A

CN101907093A - Spiral compressor

Info

Publication number: CN101907093A
Application number: CN2009101460209A
Authority: CN
Inventors: 朱君忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-06-05
Filing date: 2009-06-05
Publication date: 2010-12-08

Abstract

The invention relates to a spiral compressor. The compressor comprises a compressor shell, a fixed volute device, a driving shaft, a rotating part and a rotary volute device, wherein the fixed volute device comprises a substrate fixed on the shell; the driving shaft is accommodated in the shell; the rotating part is arranged on the driving shaft; the rotary volute device comprises a substrate which is connected to the driving shaft and can be rotated by the driving shaft and a volute part which forms a compression space with a volute part of the fixed volute device; the fixed volute device comprises a connection nozzle communicated with the inlet of the shell and a passage communicated with the connection nozzle and the compression space so that liquid can enter the connection nozzle and the passage through the inlet of the shell so as to enter the compression space; and the substrate of the fixed volute device comprises a discharge port communicated with the compression space and a chamber of the shell so that the liquid can enter the chamber of the shell from the compression space through the discharge port and is discharged from an outlet.

Description

Screw compressor

[technical field]

The present invention relates to a kind of screw compressor, particularly relate to a kind of liquid inlet or outlet with horizontal expansion or projection, make compressor can more conveniently be installed in narrow and small engine chamber the inside from motor-car, and more convenient installation or link to cooling system from motor-car.

[background technique]

Since the liquid inlet of general commonly used screw compressor or outlet all be arranged on compressor housing above, so from the narrow and small engine chamber the inside of motor-car, the structural arrangements of this kind compressor will make that it can't be easily or install or link to cooling system from motor-car easily.

[summary of the invention]

Because many shortcomings of the general screw compressor of using always, through research improvement design repeatedly, finally develop screw compressor of the present invention, so that a kind of liquid inlet or outlet with horizontal expansion or projection to be provided, make compressor can more conveniently be installed in narrow and small engine chamber the inside from motor-car, and more convenient installation or link to cooling system from motor-car.

Main structure design of the present invention, include a compressor housing and have a shell, its rear end has a room and a chamber is connected, one fixed cartouch is arranged on the chamber the inside of shell, it comprises that a substrate is fixed to the shell of compressor housing, and one scroll member extend out from substrate, and also be contained in the chamber the inside of shell, one live axle is contained in the chamber the inside of shell, one rotating component is arranged on the chamber the inside that on the live axle and also is contained in shell, one rotary type cartouch is arranged on the chamber the inside of shell, it comprises that a substrate links to live axle, make the rotary type cartouch to drive rotation by driven shaft, the rotary type cartouch comprises that a scroll member extends out from substrate, and also be contained in the chamber the inside of shell, and being arranged to scroll member with fixed cartouch is radially and the angle potential difference, so that between the scroll member of the scroll member of fixed cartouch and rotary type cartouch, form a compression volume, make that when the scroll member of rotary type cartouch during the space of its compression volume or volume can change and can be used to liquid such as compression refrigerant with respect to the scroll member rotation of fixed cartouch; It is characterized in that: the shell of compressor housing comprises an inlet, and one go out interruption-forming or be arranged on shell rear end and and the room of shell be connected, fixed cartouch has one and connects the inlet of chewing with shell and be connected, admit liquid for the ingress that is used for from shell, the substrate of fixed cartouch has that a passage and connecing is chewed and compression volume is connected, making liquid can enter connecing of fixed cartouch from the inlet of shell chews with channel and enters into inside the compression volume, and the compression of the scroll member of the scroll member of the formula cartouch that can be fixed and rotary type cartouch, the room that the substrate of fixed cartouch has a floss hole and compression volume and shell is connected, make liquid to enter the room of shell via floss hole from compression volume, the outlet from shell emits then.

Described screw compressor, wherein fixed cartouch has an arc protrusion and extends out from substrate, and also be contained in the room the inside of shell,, desire to be discharged liquid for being used for holding so that between the rear end of the substrate of fixed cartouch and shell, form this room.

Described screw compressor, wherein the substrate of fixed cartouch has the substrate that a check valve is mounted to fixed cartouch, only entering the room of shell via floss hole, and can prevent that liquid is back to the compression volume the inside from the room of shell with controlling liquid from compression volume.

Described screw compressor, wherein a protecgulum is fixed to the front end of shell for ccontaining live axle.

Described screw compressor, wherein a clutch is installed on the live axle for driving or the transmission live axle.

For further specifying structure of the present invention, feature and practical purpose thereof, the following drawings describes in detail as the back:

[description of drawings]

Fig. 1: be longitudinal sectional view of the present invention;

Fig. 2,3: be part exploded view of the present invention;

Fig. 4: be partial, perspective view of the present invention;

Fig. 5: be the transverse sectional view of the present invention's the hatching line 5-5 that takes from Fig. 1; And

Fig. 6: be the present invention's the longitudinal sectional view that is similar to Fig. 1.

[embodiment]

Screw compressor of the present invention please cooperate and consult Fig. 1 to shown in Figure 5, and whole pair of screw compressor comprises a compressor housing 10, its have a bowl-shape shell 11 within it portion form a

chamber

12,13 of its rear end have a room 14 and chamber 12 is connected.One fixed cartouch 30 is arranged on chamber 12 the insides of shell 11, it comprises that a substrate 31 utilizes fixed block 32 for example and is fixed to the shell 11 of compressor housing 10, and one scroll member 33 extend out from substrate 31, and also be contained in chamber 12 the insides of shell 11.

One protecgulum 40 is to utilize fixed block 41 for example and the front end 15 that is fixed to shell 11, it has a hole 42 and is arranged on the center, for a ccontaining live axle 43, one rotating component 44 is arranged on the live axle 43 and also is contained in chamber 12 the insides of shell 11, and a clutch 45 is installed on the live axle 43 for driving or transmission live axle 43.One rotary type cartouch 50 is arranged on chamber 12 the insides of shell 11, it comprises that a substrate 51 for example utilizes an eccentric coupling mechanism 47 and links to rotating component 44 or live axle 43, make rotary type cartouch 50 can driven shaft 43 or clutch 45 drive and rotate.

Rotary type cartouch 50 comprises that a scroll member 52 extends out from substrate 51, and also be contained in chamber 12 the insides of shell 11, and being arranged to scroll member 33 with fixed cartouch 30 is radially and the angle potential difference, so that between the scroll member 52 of the scroll member 33 of fixed cartouch 30 and rotary type cartouch 50, form a compression volume 80, make that when the scroll member 52 of rotary type cartouch 50 during the space of its compression volume 80 or volume can change and can be used to liquid such as compression refrigerant with respect to scroll member 33 rotations of fixed cartouch 30.

Wherein the shell 11 of compressor housing 10 comprises 13 places, rear end of inlet 16 and one outlet 17 forming or a be arranged on shell 11, wherein the outlet 17 of shell 11 is that room 14 with shell 11 is connected, fixed cartouch 30 has an arc protrusion 34 and extends out from substrate 31, and also be contained in room 14 the insides of shell 11, it for example utilizes fixed block 32 and contacts and be fixed to shell 11, so that between the rear end 13 of the substrate 31 of fixed cartouch 30 and shell 11, form this room 14, desire to be discharged liquid for being used for holding.

Fixed cartouch 30 have one connect chew 35 and the inlet 16 of shell 11 be connected, admit liquid for the inlet 16 that is used for from shell 11, the substrate 31 of fixed cartouch 30 have a passage 36 and connect chew 35 and compression volume 80 be connected, make liquid can enter connecing of fixed cartouch 30 and chew 35 and passage 36 and enter into compression volume 80 the insides from the inlet 16 of shell 11, and scroll member 52 compressions of the scroll member 33 of the formula cartouch 30 that can be fixed and rotary type cartouch 50.

The room 14 that the substrate 31 of fixed cartouch 30 has a floss hole 37 and compression volume 80 and shell 11 is connected, and makes liquid to enter the room 14 of shell 11 via floss hole 37 from compression volume 80, and the outlet 17 from shell 11 spills out then.One check valve 39 can be mounted to the substrate 31 of fixed cartouch 30, only entering the room 14 of shell 11 from compression volume 80 via floss hole 37, and can prevent that liquid is back to compression volume 80 the insides from the room 14 of shell 11 with controlling liquid.

Mode of operation of the present invention, please cooperate consult shown in Figure 6, liquid can enter connecing of fixed cartouch 30 from the inlet 16 of shell 11 and chew 35 and passage 36 and enter into compression volume 80 the insides, and scroll member 52 compressions of the scroll member 33 of the formula cartouch 30 that can be fixed and rotary type cartouch 50, compressed liquid then can enter the room 14 of shell 11 via floss hole 37 from compression volume 80, then from outlet 17 dischargings of shell 11 or spill out.Wherein the inlet 16 of shell 11 and outlet 17 can make things convenient for and be formed at apace on the shell 11, and it is the structure that is horizontal expansion or projection, make it can more conveniently be installed in narrow and small engine chamber the inside from motor-car, and more convenient installation or link to cooling system from motor-car.

Claims

1. screw compressor, include a compressor housing (10) and have a shell (11), its rear end (13) has a room (14) and a chamber (12) is connected, one fixed cartouch (30) is arranged on chamber (12) the inside of shell (11), it comprises that a substrate (31) is fixed to the shell (11) of compressor housing (10), and one scroll member (33) extend out from substrate (31), and also be contained in chamber (12) the inside of shell (11), one live axle (43) is contained in chamber (12) the inside of shell (11), one rotating component (44) is arranged on chamber (12) the inside that shell (11) were gone up and also be contained in to live axle (43), one rotary type cartouch (50) is arranged on chamber (12) the inside of shell (11), it comprises that a substrate (51) links to live axle (43), make rotary type cartouch (50) to drive rotation by driven shaft (43), rotary type cartouch (50) comprises that a scroll member (52) extends out from substrate (51), and also be contained in chamber (12) the inside of shell (11), and being arranged to scroll member (33) with fixed cartouch (30) is radially and the angle potential difference, so that between the scroll member (52) of the scroll member (33) of fixed cartouch (30) and rotary type cartouch (50), form a compression volume (80), make that when the scroll member (52) of rotary type cartouch (50) during space of its compression volume (80) or volume can change and can be used to liquid such as compression refrigerant with respect to scroll member (33) rotation of fixed cartouch (30); It is characterized in that:

The shell (11) of compressor housing (10) comprises an inlet (16), and one outlet (17) rear end (13) that forms or be arranged on shell (11) locate and and the room (14) of shell (11) be connected, fixed cartouch (30) has one and connects the inlet (16) of chewing (35) and shell (11) and be connected, admit liquid for the inlet (16) that is used for from shell (11), the substrate (31) of fixed cartouch (30) has a passage (36) and connects chews (35) and compression volume (80) is connected, making liquid can enter connecing of fixed cartouch (30) from the inlet (16) of shell (11) chews (35) and passage (36) and enters into inside the compression volume (80), and the compression of the scroll member (52) of the scroll member (33) of formula cartouch (30) that can be fixed and rotary type cartouch (50), the room (14) that the substrate (31) of fixed cartouch (30) has a floss hole (37) and compression volume (80) and shell (11) is connected, make liquid to enter the room (14) of shell (11) via floss hole (37) from compression volume (80), the outlet (17) from shell (11) emits then.

2. screw compressor as claimed in claim 1, it is characterized in that: fixed cartouch (30) has an arc protrusion (34) and extends out from substrate (31), and also be contained in room (14) the inside of shell (11), so that between the rear end (13) of the substrate (31) of fixed cartouch (30) and shell (11), form this room (14), desire to be discharged liquid for being used for holding.

3. screw compressor as claimed in claim 2, it is characterized in that: the substrate (31) of fixed cartouch (30) has the substrate (31) that a check valve (39) is mounted to fixed cartouch (30), only entering the room (14) of shell (11) via floss hole (37), and can prevent that liquid is back to compression volume (80) the inside from the room (14) of shell (11) with controlling liquid from compression volume (80).

4. screw compressor as claimed in claim 1 is characterized in that: a protecgulum (40) is fixed to the front end (15) of shell (11) for ccontaining live axle (43).

5. screw compressor as claimed in claim 1 is characterized in that: a clutch (45) is installed in live axle (43) and goes up for driving or transmission live axle (43).