CN202545249U

CN202545249U - Vaned translational rotor compressor

Info

Publication number: CN202545249U
Application number: CN2012200871066U
Authority: CN
Inventors: 耿爱农; 陈君立; 阮勤江
Original assignee: Zhejiang Hongyou Compressor Manufacturing Co Ltd
Current assignee: Zhejiang Hongyou Compressor Manufacturing Co Ltd
Priority date: 2011-07-30
Filing date: 2012-03-09
Publication date: 2012-11-21
Anticipated expiration: 2022-03-09

Abstract

The utility model relates to a vaned translational rotor compressor and belongs to the technical field of compressors. The vaned translational rotor compressor comprises a rotor, a cylinder body, vanes, end covers and a crank, wherein a cylinder hole is formed on the cylinder body; the rotor and the vanes are all installed in the cylinder hole; two flat rotor chutes are arranged on the rotor; the vanes are assembled in the rotor chutes and are in sliding fit with the rotor chutes; and two side ends of the rotor and the vanes are respectively in movable fit with the two end covers arranged at two sides of the cylinder body. The vaned translational rotor compressor is characterized in that two grooves with planar bottom surfaces are arranged on the cylinder hole of the cylinder body; the parallel bottom surfaces of the two grooves are opposite; the two outer ends of the vanes respectively correspond to the bottom surfaces of the grooves one to one; and the outer ends of the vanes are provided with sealing surfaces in movable fit with the bottom surfaces of the grooves. As no chute structure is arranged on the cylinder body any more, and meanwhile the outer end parts of the vanes are not of a curved surface structure any longer, so the difficulty in manufacturing the compressor can be reduced.

Description

Blade type flat-moving rotor compressor

Technical field

The utility model belongs to the Compressor Technology field, relates in particular to a kind of rotary rotor compressor, makes the blade-type rotary compressor of translation rotation more specifically to a kind of rotor.

Background technique

As everyone knows; Rotary compressor with blade structure characteristic uses extremely extensive; Comprise that blade makes swing-rotor type compressor that the reciprocating rolling piston compressor of the sliding-vane compressor of rotation motion, blade and blade do oscillating motion or the like; Traditional blade structure class rotary compressor adopts rotor to make the working method of rotation motion mostly; Therefore rotor is bigger with respect to the movement velocity of end cap and cylinder, can produce bigger friction and wear thus, is the significant obstacle that limit compression machine rotating speed improves.For this reason; Existing technology CN101387294B has proposed a kind of translational rotor type compressor, and it comprises rotor, cylinder body, blade and end cap, offers the rotor rollaway nest of flat on its rotor; Offer the cylinder body chute of flat on the cylinder body; The T-shaped structure of said blade or L shaped structure, blade is made up of two orthogonal radial flat bodies and tangential bluff body, and wherein the radial flat body is fitted in the chute of rotor and also is slidingly matched with it; The tangential bluff body then is fitted in the cylinder body chute and is slidingly matched with it, does translation rotation at the constraint lower rotor part of blade; Existing technology US5074769 has then proposed another kind of translational rotor type compressor; Offer rotor rollaway nest on its rotor; Be fitted with blade and bayonet lock in the rotor rollaway nest, end cap is provided with the rail groove, and bayonet lock is connected with blade and inserts in the end cap rail groove; Utilize rail groove constraint bayonet lock and and then the movement locus of constraint blade, finally retrain rotor and do translation rotation campaign, bayonet lock also impels and keeps the outer end of blade to be the state that contact seal cooperates that seals with the cylinder wall surface of the hole simultaneously.The advantage of above-mentioned translational rotor type compressor is the working method that their rotor all adopts translation rotation; Therefore rotor is less with respect to the movement velocity of cylinder and end cap; Compare with traditional blade structure class rotary compressor and can improve rotating speed, so it can do volume littler under the constant situation of discharge capacity; But; Above-mentioned translational rotor type compressor still has deficiency: 1) such as compressor that CN101387294B proposed; Because it must offer the cylinder body chute of flat on cylinder body, cause relatively difficulty of its processing, the tangential bluff body of flat cylinder body chute on the cylinder body and cooperation with it thereof has caused more matching gap again in addition; Also aggravated the internal leakage amount of compressor thus, its sealing is relatively poor in other words; 2) and the compressor that US5074769 proposes; Then because the outer end of blade and the cylinder bore wall motion contact matching of circle or curvecd surface type are the assurance sealing, its blade outer end must make the curved surface shape so as when diverse location and cylinder wall surface of the hole shape adapt; Usually the pattern of position, blade outer end need be made the curved surface of many circular arc combinations; Cause the making of blade quite difficult, its end cap rail groove is the curvilinear path grooved rail in addition, so the processing of rail groove is relatively more difficult too; Also have the outer end of blade to seal with the mode that line contacts, so sealing reliability is relatively poor equally with cylinder cylinder wall surface of the hole.

Summary of the invention

The utility model provides a kind of blade type flat-moving rotor compressor; Its main purpose is that another purpose of the utility model is the sealing of improving between blade and the cylinder wall surface of the hole in the manufacture difficulty of the low compressor of prerequisite decline that keeps rotor translation rotation working method.

The purpose of the utility model realizes like this: blade type flat-moving rotor compressor; Comprise rotor, cylinder body, blade, end cap and crank; Offer the cylinder hole on the cylinder body, said rotor, blade all are placed in this cylinder hole, offer the rotor rollaway nest of two flat on the rotor; Said blade is fitted in the rotor rollaway nest and is slidingly matched with it; Two axle sides of rotor and blade cooperate with two end cap motions that are placed in cylinder body diaxon side respectively, offer two grooves with plane bottom surface on the cylinder hole of said cylinder body, and the bottom surface of two grooves is parallel relatively; Two exterior edge faces of said blade are corresponding one by one with the bottom surface of said groove respectively and be slidingly matched, and the outer end of blade has with groove floor makes the working surface that motion cooperates.

The outer end of above-mentioned blade includes Stamping Steel Ribbon, and the bottom surface motion of said Stamping Steel Ribbon and cylinder hole groove is sealed and matched.

Offer annular groove on two axle sides of above-mentioned rotor, be fitted with seal ring in the said annular groove, seal ring and end cap motion are sealed and matched.

Offer blade slide on the above-mentioned blade, an end cap in said two end caps is provided with the protruding key that is slidingly matched with this blade slide or/and raised line.

Above-mentioned protruding key or raised line are parts of fastening embedding end cap.

An end cap in two above-mentioned end caps is provided with the end cap chute, and said blade is provided with the protruding key that is slidingly matched with this end cap chute or/and raised line.

Above-mentioned protruding key or raised line are parts of fastening embedding blade.

Above-mentioned blade is provided with guide hole, is fastenedly connected with guide rod on the end cap in said two end caps, and said guide rod and guide hole are slidingly matched.

Be fastenedly connected with guide rod on the above-mentioned blade, an end cap in said two end caps is provided with guide hole, and said guide rod and guide hole are slidingly matched.

The middle part of above-mentioned blade is the ring mount structure, and said crank interts in this ring mount structure.

The utility model blade type flat-moving rotor compressor; On the cylinder hole of cylinder body, offer two grooves with plane bottom surface; And let the bottom surface motion of outer end and this groove of blade cooperate, retrain blade with this and do straight reciprocating motion, and and then retrain rotor and do translation rotation; In addition, the mode that cooperates with protruding key or raised line through blade slide or end cap chute retrains blade and does straight reciprocating motion, can obtain the effect that rotor is done translation rotation equally; CN101387294B compares with existing technology, and the utility model has been abandoned cylinder body chute and tangential bluff body, has reduced the manufacture difficulty of compressor thus, and has reduced the internal leakage passage between blade and the cylinder hole, has improved the sealability of compressor; US5074769 compares with existing technology; The utility model has been abandoned the curved-surface structure form of blade outer end, and it is improved to simple so-called plane structure, has therefore reduced the manufacture difficulty of compressor; And improved the sealing in blade outer end and cylinder hole; In addition, the utility model has also been abandoned end cap curve rail groove, has equally also reduced the difficulty of processing of compressor.

Description of drawings

Fig. 1 is the axle geodesic structure schematic representation of the utility model blade type flat-moving rotor compressor;

Fig. 2 is the working state figure of the utility model blade type flat-moving rotor compressor shown in Figure 1;

Fig. 3 is that the axle of the utility model blade type flat-moving rotor compressor shown in Figure 1 is surveyed explosive view.

Embodiment

With specific embodiment the utility model is further described below, referring to Fig. 1-3:

Blade type flat-moving rotor compressor; It comprises rotor 1, cylinder body 2, blade 3, end cap 4 and crank 5; Offer cylinder hole 2a on the cylinder body 2; Said rotor 1, blade 3 all are placed in the 2a of this cylinder hole, offer the rotor rollaway nest 1a of two flat on the rotor 1, and said blade 3 is fitted among the rotor rollaway nest 1a and is slidingly matched with it; Two axle sides of rotor 1 and blade 3 cooperate with two end caps that are placed in cylinder body 2 diaxon sides 4 motion respectively, and said here axle side is meant that axis with rotor 1 is as basis of reference and along its axis distribution or split the side, termination at each parts at rotor two axial ends place; The greatest feature of the utility model blade type flat-moving rotor compressor is: on the 2a of the cylinder hole of said cylinder body 2, offer two grooves with plane bottom surface 2b; The bottom surface 2b of these two grooves is parallel relatively, between them across the spacing of rotor 1 and two bottom surface 2b diameter greater than cylinder hole 2a; Two exterior edge face 3a of said blade 3 are corresponding one by one with the bottom surface 2b of said groove respectively and be slidingly matched, and the exterior edge face 3a of blade 3 has with groove floor 2b and makes the working surface that motion cooperates, and the optimum structure of said working surface is the plane; In order to improve sealing, can the structural type (as shown in figures 1 and 3) that includes Stamping Steel Ribbon 3b be made in the outer end of above-mentioned blade 3, the bottom surface 2b of the groove of Stamping Steel Ribbon 3b and cylinder hole 2a does to move and is sealed and matched at this moment; In order to improve sealing, can offer annular groove 1b on two axle sides of above-mentioned rotor 1 equally, and in annular groove 1b, be equipped with seal ring 1c, seal ring 1c and end cap 4 motions are sealed and matched; It is to be noted; The bottom surface 2b that can utilize groove retrains blade 3 with cooperating of the exterior edge face 3a of blade 3 and does straight reciprocating motion; And be translation rotation through the motion that blade 3 retrains rotor 1: this moment, rotor 1 rotated under the driving of crank 5; And under the constraint of rotor rollaway nest 1a and blade 3, reciprocatingly slide with respect to producing in blade 3; Finally make the working method of rotor 1 be the forms of motion of translation rotation, here crank 5 can be that the bent axle form also can be the eccentric pin shaft form, and its support can be used the structural type of bearing 5a; Obviously; Be configured to the active chamber A of several compressors by the outer surface one common peripheral of rotor 1, cylinder hole 2a, blade 3 and end cap 4; Be accompanied by the continuous rotation of rotor 1; The volume of these active chambers A is mixed suitable suction port and relief opening and can be constituted compressor also periodically change (as shown in Figure 2); The utility model blade type flat-moving rotor compressor can adopt the mode of inner air inlet; Promptly extraneous fresh working medium is introduced into the inside 1d of rotor 1; Get in the active chamber of compressor through the intake duct 3e (as shown in Figure 3) that is located on the blade 3 then, the benefit of doing like this is to let colder relatively fresh working medium that rotor 1 is implemented cooling; In addition,, can seal element be set, can also seal element be set in the cooperation place of rotor rollaway nest 1a and blade 3 in blade 3 and end cap 4 relative sides in order to improve sealing to reduce the internal leakage loss of compressor; In the utility model, the cylinder hole 2a of compressor and the structural type of blade 3 are all fairly simple, so the manufacture difficulty of compressor is little.

As conventional way, in the air-inlet cavity of the active chamber A of the several compressors that the outer surface one common peripheral of rotor 1, cylinder hole 2a, blade 3 and end cap 4 is configured to, be provided with in intake duct and breather check valve, the exhaust cavity and be provided with air outlet flue and exhaust check valve.

Turn round in order to make rotor 1 obtain more reliable and stable translation, can also be through the motor behavior that special translation constraint mechanism or structure retrain rotor 1 be set:

1) one of method is; On above-mentioned blade 3, offer blade slide 3c; The protruding key that setting and blade slide 3c are slidingly matched on the end cap in said two end caps 4 simultaneously is or/and raised line 6 (as shown in figures 1 and 3); And at protruding key or/and make blade slide 3c remain parallel with the groove floor 2b of cylinder hole 2a (allow and have certain making error, assembly error and distortion inaccuracy) under the constraint of raised line 6, then at this moment blade 3 can only be done straight reciprocating motion; Need to prove that above-mentioned protruding key or raised line 6 can be one of fastening embedding end cap 4 independent parts (as shown in figures 1 and 3);

2) two of method are; An end cap in two above-mentioned end caps 4 is provided with end cap chute (not shown); And the protruding key that is slidingly matched with the end cap chute is set on said blade 3 or/and raised line 6 (not shown)s; And at protruding key or/and make the end cap chute remain parallel with the groove floor 2b of cylinder hole 2a (likewise also allow and have certain making error, assembly error and distortion inaccuracy) under the constraint of raised line 6, then at this moment blade 3 also can only be done straight reciprocating motion; Need to prove that above-mentioned protruding key or raised line 6 also can be one of fastening embedding blade 3 independent parts;

3) three of method are; Above-mentioned blade 3 is provided with the guide hole (not shown); Be fastenedly connected with the shaft-like guide rod (not shown) of straight line on the end cap in said two end caps 4; Said guide rod and guide hole are slidingly matched, and guide rod remains under the constraint of guide hole parallel with the groove floor 2b of cylinder hole 2a (allow and have certain making error, assembly error and distortion inaccuracy), and this moment, blade 3 can only be done straight reciprocating motion equally; Need to prove that the optimum shape of guide hole is a circular port, the optimum shape of guide rod with matching is a cylindrical bar;

4) four of method are; On above-mentioned blade 3, securely be connected with a guide rod (not shown) that straight line is shaft-like; An end cap in said two end caps 4 is provided with the guide hole (not shown) simultaneously; Said guide rod and guide hole are slidingly matched, and guide rod remains under the constraint of guide hole parallel with the groove floor 2b of cylinder hole 2a (allow and have certain making error, assembly error and distortion inaccuracy), and then at this moment blade 3 can only be done straight reciprocating motion equally; Need to prove that the optimum shape of guide hole is a circular port, the optimum shape of guide rod with matching is a cylindrical bar.

In order to guarantee that blade 3 has enough rigidity, can ring mount structure 3d (like Fig. 1, Fig. 2 and shown in Figure 3) be made at the middle part of blade 3, said crank 5 interts in this ring mount structure 3d; Certainly, blade 3 also can adopt kit form, and promptly also making separately of mount structure 3d is made, encircled to blade 3 separately with the position that rotor rollaway nest 1a matches, then with they fastening connecting together; Need to prove that the structure of ring mount structure 3d has various ways, its optimum structure form is the annulus frame.

Compared with prior art, the progressive meaning of the utility model blade type flat-moving rotor compressor is: at first, kept the working method of rotor with translation rotation, so inherited each item advantage of existing translational rotor type compressor; Secondly, CN101387294B compares with existing technology, has abandoned cylinder body chute and tangential bluff body, has reduced the manufacture difficulty of compressor, and has reduced the internal leakage passage between blade and the cylinder hole, has improved the sealability of compressor; Moreover; US5074769 compares with existing technology; Abandon end cap curve rail groove, and the curved-surface structure of blade outer end has been improved to simple so-called plane structure, reduced the manufacture difficulty of compressor equally; Also the line contact sealing in blade and cylinder hole is improved as face contact seal simultaneously, so likewise also improved the sealability of compressor.

The foregoing description is merely some preferred embodiments of the utility model; It is not the protection domain that limits the utility model according to this; So: all various equivalences of doing according to structure, shape, the principle of the utility model change, and all should be covered by within the protection domain of the utility model.

Claims

1. blade type flat-moving rotor compressor; It comprises rotor, cylinder body, blade, end cap and crank; Offer the cylinder hole on the cylinder body, said rotor, blade all are placed in this cylinder hole, offer the rotor rollaway nest of two flat on the rotor; Said blade is fitted in the rotor rollaway nest and is slidingly matched with it; Two axle sides of rotor and blade cooperate with two end cap motions that are placed in cylinder body diaxon side respectively, it is characterized in that: offer two grooves with plane bottom surface on the cylinder hole of said cylinder body, the bottom surface of two grooves is parallel relatively; Two exterior edge faces of said blade are corresponding one by one with the bottom surface of said groove respectively and be slidingly matched.

2. blade type flat-moving rotor compressor according to claim 1 is characterized in that the outer end of said blade includes Stamping Steel Ribbon, and the bottom surface motion of said Stamping Steel Ribbon and cylinder hole groove is sealed and matched.

3. blade type flat-moving rotor compressor according to claim 2 is characterized in that offering annular groove on two axle sides of said rotor, is fitted with seal ring in the said annular groove, and seal ring and end cap motion are sealed and matched.

4. according to any one blade type flat-moving rotor compressor described in the claim 1 to 3; It is characterized in that offering blade slide on the said blade, an end cap in said two end caps is provided with the protruding key that is slidingly matched with this blade slide or/and raised line.

5. blade type flat-moving rotor compressor according to claim 4 is characterized in that described protruding key or raised line are parts of fastening embedding end cap.

6. according to any one blade type flat-moving rotor compressor described in the claim 1 to 3; It is characterized in that an end cap in described two end caps is provided with the end cap chute, said blade is provided with the protruding key that is slidingly matched with this end cap chute or/and raised line.

7. blade type flat-moving rotor compressor according to claim 6 is characterized in that described protruding key or raised line are parts of fastening embedding blade.

8. according to any one blade type flat-moving rotor compressor described in the claim 1 to 3, it is characterized in that said blade is provided with guide hole, be fastenedly connected with guide rod on the end cap in said two end caps, said guide rod and guide hole are slidingly matched.

9. according to any one blade type flat-moving rotor compressor described in the claim 1 to 3, it is characterized in that being fastenedly connected with guide rod on the described blade, an end cap in said two end caps is provided with guide hole, and said guide rod and guide hole are slidingly matched.

10. according to any one blade type flat-moving rotor compressor described in the claim 1 to 3, it is characterized in that the middle part of described blade is the ring mount structure, said crank interts in this ring mount structure.