CN1532414A - Cylinder combining structure of compressor - Google Patents
Cylinder combining structure of compressor Download PDFInfo
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- CN1532414A CN1532414A CNA031210074A CN03121007A CN1532414A CN 1532414 A CN1532414 A CN 1532414A CN A031210074 A CNA031210074 A CN A031210074A CN 03121007 A CN03121007 A CN 03121007A CN 1532414 A CN1532414 A CN 1532414A
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Abstract
The cylinder combining structure of compressor includes sealed container, motor part and cylinder assembly. The sealed container is one cylindrical body with penetrated upper part and lower part and forms one inner holding space; the motor part is instated inside the sealed container to produce rotation force; and the cylinder assembly is inserted inside the cylindrical body and is driven by the motor part to suck in and compress gas. The cylinder combining structure features that it has also interval maintaining part mounted between the cylinder assembly and the sealed container for combining them and maintaining certain interval in between. The structure of the present invention has the effects of preventing vibration the cylinder assembly produces from being transmitted to the sealed container and reducing the damage and noise caused by the vibration.
Description
Technical field
The present invention relates to compressor, relate in particular to air cylinder structure.
Background technique
General compressor is as the machine that is used for compressed fluid.The structure of compressor is made of seal container, motor part and compressor section.Seal container has certain inside space; Motor part is installed in the seal container, is used to produce driving force; Compressor section obtains the driving force of motor part, pressurized gas.
Usually according to the form of the compressor section of pressurized gas, compressor is divided into, rotary compressor (ROTARY COMPRESSOR}, reciprocating movement compressor { RECIPROCATING COMPRESSOR}, screw axis compressor (the various forms of SCROLL COMPRESSOR} etc.
, down to Fig. 3 the some compressors in the existing compressor are described as an example below with reference to Fig. 1.
Fig. 1 is the profile diagram of the compressor section of general compressor.Fig. 2 is the planimetric map of compressor section of the compressor of Fig. 1.Fig. 3 is the stereogram with the compressor section section part of the compressor of Fig. 1.
As shown in the figure, in the above-mentioned hermetic type compressor portion of prior art structure, be formed with inner space (V), and possess and the suction passage (f1) that is connected with inner space (V) is respectively arranged and discharge stream (f2).The center of the inner space (V) of the cylinder assembly body (D) of secure bond in seal container (10) is penetrated with running shaft (20), and running shaft (20) is combined in the motor part (M) that is used to produce the required driving force of rotation.
Cylinder assembly body (D) includes following structure: cylinder (30), upper bearing (40) and lower bearing (50).The outer circumferential face of cylinder (30) is weldingly fixed on the seal container (10), and the inside of cylinder (30) possesses the through hole that drum is arranged; Upper bearing (40) and lower bearing (50) cover respectively and are combined on the top and bottom of cylinder (30), form inner space (V) with cylinder (30), and supporting rotating shaft (20).Be formed with suction passage (f1) on the cylinder (30), suction passage (f1) runs through formation towards outer circumferential face with radiation from the inner space (V) of cylinder (30).
Upper bearing (40) and lower bearing (50) include following structure: plate (PLATE) portion (41,51), supporting portion (42,52) and shaft insertion hole (43,53).Board (41,51) has certain thickness and area; Supporting portion (42,52) has certain height and the outstanding formation of external diameter in the one side of board (41,51); The central part that shaft insertion hole (43,53) runs through board (41,51) and supporting portion (42,52) forms.The board (41) of upper bearing (40) covers on the surface of contact of cylinder (30), and running shaft (20) insertion is combined in the shaft insertion hole (43).Lower bearing (50) is covered on the another side of cylinder (30), and running shaft (20) insertion is combined in the shaft insertion hole (53).
Running shaft (20) is made of axial region (21) and demarcation strip (22).Axial region (21) has certain external diameter and length, is inserted in the shaft insertion hole (43,53) of upper bearing (40) and lower bearing (50); Demarcation strip (22) prolongs in a side of axial region (21) and forms, and the inner space (V) of cylinder assembly body (D) is separated into first space (V1) and second space (V2).
The demarcation strip (22) of running shaft (20) has certain thickness; During from the plane, demarcation strip (22) forms with circle; When seeing from the side, demarcation strip (22) is by upside projection curved face part (r1), downside depression curved face part (r2) and link curved face part (r3) formation.Upside projection curved face part (r1) has crowning; Downside depression curved face part (r2) has concave face; Link curved face part (r3) and be used to link upside projection curved face part (r1) and downside depression curved face part (r2).That is to say that demarcation strip (22) forms with the waveform curved surface of sine wave shape, the upside projection curved face part (r1) of demarcation strip (22) and the formation position of downside depression curved face part (r2) have the phase difference of 180 degree.
In addition, guide plate (VANE) (70) being run through insertion respectively is combined in the upper bearing (40) and lower bearing (50) of cylinder assembly body (D).Guide plate (70) obtains elastic support can contact bi-side in demarcation strip (22) all the time respectively, rotation along with demarcation strip (22), respectively first space (V1) and second space (V2) converted to and suck space (V1a, V2a) and compression volume (V1b, V2b), the length direction for running shaft (20) moves abreast.
Contact is formed with support slot (73) on another side (72) central part of a side (71) of the above-mentioned guide plate (70) on demarcation strip reverse side, support slot (73) obtains the support of the spring support member (100) of elastic support guide plate (70).So when horizontal plane was seen cylinder assembly body (D), guide plate (70) was positioned at same position phase; That is to say, be combined on the upper-lower position of demarcation strip (22), guide plate (70) is inserted in respectively in the guiding board slot (SLOT) (44,54) in order to make guide plate (70).Guiding board slot (44) is formed on the upper bearing (40) of cylinder assembly body (D); Guiding board slot (54) is formed on the lower bearing (50) of cylinder assembly body (D).
In addition, be combined with open and close member (80) on the cylinder assembly body (D), open and close member (80) opens and closes each that be formed on the cylinder assembly body (D) respectively and discharges stream (f2), discharge compression volume at first space (V1) and second space (V2) (V1b, V2b) in compressed gas.Be combined with the suction pipe (90) that is connected with suction passage (f1) on the seal container (10).
Symbol among the figure (110) is a baffler.
Below, the work of compressor with said structure is described.
At first, (M) applies power supply to motor part, make above-mentioned motor part (M) carry out work, the driving force that makes above-mentioned running shaft (20) obtain above-mentioned motor part (M) is rotated, and the above-mentioned demarcation strip (22) that is formed on above-mentioned running shaft (20) one sides is rotated in the inner space of above-mentioned cylinder assembly body (D) (V).
As Fig. 3 and shown in Figure 4, if the front end place of the protruding curved face part (r1) of above-mentioned demarcation strip (22), when go up the position (a1) that lays respectively at the above-mentioned guide plate (70) in above-mentioned first space (V1) and second space (V2), in first space (V1), finish to discharge being contained in compressed gas in the above-mentioned compression volume (V1b), and finish the suction that sucks space (V1a); In second space (V2), suck gas, in compression volume (V2b), form the state that carries out pressurized gas simultaneously to sucking space (V2a).
As shown in Figure 5, above-mentioned demarcation strip (22) is rotated, the front end of the depression curved face part (r2) of above-mentioned demarcation strip is in, when go up the position (a1) that lays respectively at the above-mentioned guide plate (70) in above-mentioned first space (V1) and second space (V2), suck gas in introversive above-mentioned suction space, above-mentioned first space (V1) (V1a), in above-mentioned compression volume (V1b), form the state that carries out pressurized gas simultaneously; In above-mentioned second space (V2), finish to discharge being contained in compressed gas in the above-mentioned compression volume (V2b), and finish the suction in above-mentioned suction space (V2a).
In the inner space of above-mentioned cylinder assembly body (D) (V), when the every rotation of demarcation strip (22) during 1 week, among above-mentioned first space (V1) and second space (V2), carry out repeatedly respectively suck, the work of compression, discharge gas.
But the prior art compressor with said structure has following shortcoming:
Owing to the outer circumferential face of cylinder (30) directly is weldingly fixed on the seal container (10), causes cylinder assembly body (D) to go up the vibrations that produce and directly be sent on the seal container (10), and damage and noise because of vibrations produce.
Summary of the invention
In order to overcome the above-mentioned shortcoming that prior art exists, the invention provides a kind of cylinder of compressor combining structure, be combined in the combining structure of the cylinder in the seal container by improvement, to weaken vibrations and noise.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of cylinder of compressor combining structure includes seal container, motor part, cylinder assembly body; Described seal container is covered in conjunction with forming by the both sides of upside and downside being run through the cylinder body that forms, and the inside of described seal container is formed with containing space; Described motor part is installed in the inside of described seal container, is used to produce rotating force; Described cylinder assembly body is inserted in the inside of described body, obtains driving force suction and pressurized gas that motor part transmits; It is characterized in that it also includes spacing and keeps parts; Described spacing is kept parts and is installed between described cylinder assembly body and the seal container, makes described cylinder assembly body and seal container keep a determining deviation, forms combination.
Described cylinder of compressor combining structure, wherein spacing is kept the side formation welded joint or the screw connecting part of parts; Described welded joint, the side solder bond that the described spacing that is bent to form is kept parts is on described seal container, and the described spacing that is bent to form is kept a side of parts and is combined closely on the outer circumferential face of described cylinder; Described screw connecting part, a side screw of described spacing being kept parts is combined on the described seal container.
Described cylinder of compressor combining structure, wherein spacing is kept the another side formation welded joint or the screw connecting part of parts; Described welded joint, the another side solder bond of the described spacing that is bent to form being kept parts are on described cylinder assembly body, and the described spacing that is bent to form is kept a side of parts and combined closely on the outer circumferential face of described cylinder; Described screw connecting part, the another side screw of described spacing being kept parts is combined on the described cylinder assembly body.
Described cylinder of compressor combining structure, wherein spacing is kept parts and is formed on the cylinder outer circumferential face of described cylinder assembly body outstanding described terminal surface formation welded joint or screw connecting part according to certain width is outstanding; Described welded joint, with outstanding terminal surface solder bond on described seal container; Described screw connecting part is combined in described outstanding terminal surface screw on the described seal container.
Description of drawings
The present invention is further described below in conjunction with drawings and Examples.
Fig. 1 is the profile diagram of the compressor section of general compressor.
Fig. 2 is the planimetric map of compressor section of the compressor of Fig. 1.
Fig. 3 is the stereogram with the compressor section section part of the compressor of Fig. 1.
Fig. 4 is the planimetric map of compressor section working procedure of the compressor of Fig. 1.
Fig. 5 is the planimetric map of compressor section working procedure of the compressor of Fig. 1.
Fig. 6 is the profile diagram that the first embodiment of the present invention possesses the compressor inner structure that the cylinder combining structure is arranged.
The number in the figure explanation:
10: seal container 30: cylinder (CYLINDER)
130: spacing is kept parts 131: insert plate
132: fixed plate 132a: fixed hole
133: bolt (BOLT) D: cylinder assembly body
M: motor part
Embodiment
Below with reference to back accompanying drawing paper, the gas compressing apparatus of first embodiment of the present invention compressor is elaborated.
As shown in Figure 6, in the compressor section of first embodiment of the present invention compressor, be formed with inner space (V), and possess and the suction passage (f1) that is connected with inner space (V) is respectively arranged and discharge stream (f2).The center of the inner space (V) of the cylinder assembly body (D) of secure bond in seal container (10) is penetrated with running shaft (20), and running shaft (20) is combined in and is used to produce the motor part (M) that required driving force is gone up in rotation.
Cylinder (CYLINDER) assembly body (D) includes following structure: cylinder (30), spacing are kept parts (130), upper bearing (40) and lower bearing (50).Described cylinder (30) is formed on the inside of described seal container (10), and the inside of cylinder (30) possesses the through hole that drum is arranged; Spacing is kept parts (130) and is installed between cylinder (30) and the seal container (10), makes cylinder (30) and seal container (10) keep a determining deviation, forms combination; Upper bearing (40) and lower bearing (50) cover respectively and are combined on the top and bottom of cylinder (30), form inner space (V) with cylinder (30), and supporting rotating shaft (20).Be formed with suction passage (f1) on the cylinder (30), suction passage (f1) runs through formation towards outer circumferential face with radiation from the inner space (V) of cylinder (30).
Spacing is kept parts (130) and is formed by inserting plate (131) and fixed plate (132).In order to combine closely on the outer circumferential face of cylinder (30), the insertion plate (131) with certain length and thickness forms with certain curvature bending; The central part side of fixed plate (132) from the upside terminal part that inserts plate (131) towards the circular shape of bending vertically curved elongated forms, be formed with fixed hole (132a) on the fixed plate (132), in the nut portions (31) of fixed hole (132a) secure bond on being formed on cylinder (30).Spacing is kept parts (130) and is fixed by welded joint and screw connecting part.Welded joint, the side that will insert plate (131) is weldingly fixed on the seal container (10); The screw connecting part will be inserted in bolt (133) secure bond in the fixed hole (132a) of fixed plate (132) in nut portions (31).
Upper bearing (40) and lower bearing (50) include following structure: plate (PLATE) portion (41,51), supporting portion (42,52) and shaft insertion hole (43,53).Board (41,51) has certain thickness and area; Supporting portion (42,52) has certain height and the outstanding formation of external diameter in the one side of board (41,51); The central part that shaft insertion hole (43,53) runs through board (41,51) and supporting portion (42,52) forms.The board (41) of upper bearing (40) is covered on the surface of contact of cylinder (30), and running shaft (20) insertion is combined in the shaft insertion hole (43).Lower bearing (50) is covered on the another side of cylinder (30), and running shaft (20) insertion is combined in the shaft insertion hole (53).
Running shaft (20) is made of axial region (21) and demarcation strip (22).Axial region (21) has certain external diameter and length, is inserted in the shaft insertion hole (43,53) of upper bearing (40) and lower bearing (50); Demarcation strip (22) prolongs in a side of axial region (21) and forms, and the inner space (V) of cylinder assembly body (D) is separated into first space (V1) and second space (V2).
The demarcation strip (22) of running shaft (20) has certain thickness; During from the plane, demarcation strip (22) forms with circle; When seeing from the side, demarcation strip (22) is by upside projection curved face part (r1), downside depression curved face part (r2) and link curved face part (r3) formation.Upside projection curved face part (r1) has crowning; Downside depression curved face part (r2) has concave face; Link curved face part (r3) and be used to link upside projection curved face part (r1) and downside depression curved face part (r2).That is to say that demarcation strip (22) forms with the waveform curved surface of sine wave shape, the upside projection curved face part (r1) of demarcation strip (22) and the formation position of downside depression curved face part (r2) have the phase difference of 180 degree.
In addition, guide plate (VANE) (70) being run through insertion respectively is combined in the upper bearing (40) and lower bearing (50) of above-mentioned cylinder assembly body (D).Guide plate (70) obtains elastic support can contact bi-side in demarcation strip (22) all the time respectively, rotation along with above-mentioned demarcation strip (22), respectively first space (V1) and second space (V2) converted to and suck space (V1a, V2a) and compression volume (V1b, V2b), the length direction for running shaft (20) moves abreast.
Contact is formed with support slot (73) on another side (72) central part of a side (71) of the guide plate on the above-mentioned demarcation strip (70) reverse side, support slot (73) obtains the support of the spring support member (100) of elastic support guide plate (70).So during from the above-mentioned cylinder block dress body of horizontal plane (D), guide plate (70) is positioned at same position phase; That is to say, be combined on the upper-lower position of above-mentioned demarcation strip (22), guide plate (70) is inserted in respectively in the guiding board slot (44,54) in order to make above-mentioned guide plate (70).Guiding board slot (44) is formed on the upper bearing (40) of cylinder assembly body (D); Guiding board slot (54) is formed on the lower bearing (50) of cylinder assembly body (D).
In addition, be combined with open and close member (80) on the cylinder assembly body (D), above-mentioned open and close member (80) opens and closes each the discharge stream (f2) that is formed on the cylinder assembly body (D) respectively, discharge the compression volume of first space (V1) and second space (V2) (V1b, V2b) in compressed gas.Be combined with the suction pipe (90) that is connected with suction passage (f1) on the seal container (10).
Symbol among the figure (110) is a baffler.
The first embodiment of the present invention with said structure possesses the compressor operation that the cylinder combining structure is arranged, and is identical with the structure of prior art.
In the present invention, carrying out continuously in the inner space of cylinder assembly body (D) (V) sucks, compresses, discharges in the working procedure of gas, even going up, cylinder assembly body (D) produces vibrations, but because the cylinder (30) of cylinder assembly body (D) directly is not attached on the seal container (10), keeping parts (130) by spacing makes cylinder (30) and seal container (10) keep certain spacing, weakened from cylinder assembly body (D) being sent to vibrations on the seal container (10), so can weaken damage and the noise that causes because of vibrations.
Possess in the compressor that the cylinder combining structure is arranged in the second embodiment of the present invention, spacing is kept parts to be inserted between seal container (10) and the cylinder (30), fixedly during cylinder (30), by the structure of screw connecting part in conjunction with a side, with a side that will be fixed in the first embodiment of the present invention on the seal container (10), by the structure of welded joint solder bond on seal container (10), has identical effect.
In addition, spacing is kept parts to be inserted between seal container (10) and the cylinder (30), fixedly during cylinder (30), structure by welded joint solder bond opposite side, with the another side that will be fixed in the first embodiment of the present invention on the cylinder (30), be combined in structure on the cylinder (30) by the screw connecting part, have identical effect.
In the first embodiment of the present invention and second embodiment, by being kept parts, above-mentioned spacing is inserted between cylinder and the seal container, and make between cylinder assembly body and the seal container and keep certain spacing.So can prevent that the vibrations that suck, compress, produce when discharging gas directly are sent on the seal container in the cylinder assembly body.
The effect of invention
The cylinder integrated structure of compressor provided by the invention can bring following effect.
In the cylinder integrated structure of compressor of the present invention, when being combined in cylinder on the closed container, will Spacing is kept parts and is inserted between closed container and the cylinder, makes between cylinder assembly and the closed container to tie up Hold certain spacing. Be sent on the closed container so can reduce by cylinder, in the cylinder assembly The damage that vibrations that produce when repeatedly carrying out suction, compression, Exhaust Gas and weakening produce because of vibrations and Noise.
Claims (4)
1, a kind of cylinder of compressor combining structure includes seal container, motor part, cylinder assembly body;
Described seal container is covered in conjunction with forming by the both sides of upside and downside being run through the cylinder body that forms, and the inside of described seal container is formed with containing space;
Described motor part is installed in the inside of described seal container, is used to produce rotating force;
Described cylinder assembly body is inserted in the inside of described body, obtains driving force suction and pressurized gas that motor part transmits; It is characterized in that it also includes spacing and keeps parts;
Described spacing is kept parts and is installed between described cylinder assembly body and the seal container, makes described cylinder assembly body and seal container keep a determining deviation, forms combination.
2, cylinder of compressor combining structure according to claim 1 is characterized in that described spacing keeps a side of parts and form welded joint or screw connecting part;
Described welded joint, the side solder bond that the described spacing that is bent to form is kept parts is on described seal container, and the described spacing that is bent to form is kept a side of parts and is combined closely on the outer circumferential face of described cylinder;
Described screw connecting part, a side screw of described spacing being kept parts is combined on the described seal container.
3, cylinder of compressor combining structure according to claim 1 is characterized in that described spacing keeps the another side of parts and form welded joint or screw connecting part;
Described welded joint, the another side solder bond of the described spacing that is bent to form being kept parts are on described cylinder assembly body, and the described spacing that is bent to form is kept a side of parts and combined closely on the outer circumferential face of described cylinder;
Described screw connecting part, the another side screw of described spacing being kept parts is combined on the described cylinder assembly body.
4, cylinder of compressor combining structure according to claim 1, it is characterized in that described spacing keeps parts and be formed on the cylinder outer circumferential face of described cylinder assembly body according to certain width is outstanding, outstanding described terminal surface forms welded joint or screw connecting part;
Described welded joint, with outstanding terminal surface solder bond on described seal container;
Described screw connecting part is combined in described outstanding terminal surface screw on the described seal container.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031210074A CN1532414A (en) | 2003-03-21 | 2003-03-21 | Cylinder combining structure of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA031210074A CN1532414A (en) | 2003-03-21 | 2003-03-21 | Cylinder combining structure of compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1532414A true CN1532414A (en) | 2004-09-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA031210074A Pending CN1532414A (en) | 2003-03-21 | 2003-03-21 | Cylinder combining structure of compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1532414A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115199546A (en) * | 2021-04-08 | 2022-10-18 | 上海海立电器有限公司 | Rotary vibration damper and vertical rotor compressor with same |
-
2003
- 2003-03-21 CN CNA031210074A patent/CN1532414A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115199546A (en) * | 2021-04-08 | 2022-10-18 | 上海海立电器有限公司 | Rotary vibration damper and vertical rotor compressor with same |
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