CN201288661Y

CN201288661Y - Stable vane type compressor

Info

Publication number: CN201288661Y
Application number: CNU2008202022560U
Authority: CN
Inventors: 陈君立; 阮勤江; 王治超; 耿爱农; 李辛沫
Original assignee: Zhejiang Hongyou Compressor Manufacturing Co Ltd; Wuyi University Fujian
Current assignee: Zhejiang Hongyou Compressor Manufacturing Co Ltd; Wuyi University Fujian
Priority date: 2008-10-23
Filing date: 2008-10-23
Publication date: 2009-08-12
Anticipated expiration: 2018-10-23

Abstract

Stationary vane compressor, including rotor 1, cylinder 2, vane 3, rotating column 4, and end cover, rotor 1 is offset in cylinder 2, rotor axis O1 rotates around cylinder axis O2, the outer surface of rotor 1 is in contact with cylinder 2 The inner hole surface of the blade 3 is tangentially matched; the outer end of the blade 3 is fastened to the cylinder 2, and its side ends are respectively fastened to the corresponding two end covers, and an arc groove 5 is opened on the rotor 1, and the rotor 1 4 is fitted in the arc groove 5 and rotates with it; a flat chute 6 is provided on the rotating column 4, and the blade 3 is inserted into the chute 6 and slidably matched with it; due to the cylinder 2 , The blade 3 and the end cover are both in a static layout. On the one hand, the fit gap and relative movement between them are eliminated, and the friction loss and leakage loss between the blade and the cylinder, and between the blade and the end cover are reduced. On the other hand, the blade is not a moving part. Therefore, it does not need to consider the dynamic balance, in other words, the dynamic balance of the compressor can be simplified.

Description

Static vane compressor

Technical field

The utility model relates to a kind of compressor, relates in particular to a kind of vane compressor, more specifically to a kind of static vane compressor.

Background technique

Compressor is the key device of all gases compression device, in departments such as oil, chemical industry, power and light industrys a large amount of uses is arranged all.In various compressors, the compressor that one class amount is big, wide, influence is dark is arranged, the compressor that Here it is has the slide vane structure feature, as rolling piston compressor, swing-rotor type compressor and sliding-vane compressor or the like, above-mentioned compressor all belongs to the category of rotary compressor, compare with Reciprocting piston compressor, they have advantages such as little, in light weight, the simple in structure and dynamic balance performance of volume is good, so obtain using very widely in air compression, refrigeration and field of air conditioning.

But, tradition slide plate class rotary compressor has the drawback of a general character, Here it is, and they all have and one or morely do back and forth movement, rotatablely move or the blade of oscillating motion, just two problems have been brought thus: at first, there is motion just gapped, as just leaving matching gap between blade and cylinder, blade and the end cap, this will not only cause the internal leakage loss of compressor, and can cause frictional loss; Secondly, there is motion just may have inertial force, this is a well known fact, cause rotatablely moving of reciprocal inertia force, blade can cause centrifugal inertia force and the oscillating motion meeting of blade causes swing inertial force as the to-and-fro motion meeting of blade, the existence of these inertial force will cause the dynamic balance variation of compressor, and produce vibration and noise thus.

Summary of the invention

The problems referred to above at traditional slide plate class rotary compressor existence, the utility model provides a kind of static vane compressor, its purpose is effectively to solve friction and the leakage problem between blade and cylinder, blade and the end cap, also reduces the dynamically balanced complexity of compressor simultaneously.

For achieving the above object, the technical solution adopted in the utility model is: a kind of static vane compressor is provided, and this compressor comprises a rotor, a cylinder, a blade, a rotary column and two end caps; Described rotor has a cylindrical outer surface, and described cylinder has a circle hole shape inner hole surface, and described blade is flat, and described rotary column has a cylindrical outer surface; Rotor is biased in the cylinder, the parallel axes setting of the axis of rotor and cylinder, and the outer surface of rotor and the tangent contact matching of the inner hole surface of cylinder, the axis of rotor is around the rotational of cylinder; The outer end that it is characterized in that described blade is connected with described cylinder seal, and the two side ends of blade is connected with corresponding two end bracket enclosed respectively, and the blade of compressor, cylinder and end cap are arranged stationary, that is the static blade of blade for not moving; Offer the arc groove parallel with rotor axis on described rotor, described rotary column is fitted in this arc groove and is rotatably assorted with it; Offer a chute with the flat of arc groove parallel axes on rotary column, described blade inserts in this chute and is slidingly matched with it.

It is the organization plan of static layout that the utility model adopts blade, cylinder and end cap, has eliminated matching gap and relative movement between them on the one hand, and the result has reduced the frictional loss and the leakage loss of blade and cylinder, blade and end cap; On the other hand, because blade is a state of rest and be not re-used as movement parts, so it need not carry out the dynamic balancing consideration, in other words the dynamic balancing of compressor is simplified.

Description of drawings

Fig. 1 is an embodiment's of a kind of static vane compressor of the utility model a structural representation;

Fig. 2 is the fundamental diagram of a kind of static vane compressor shown in Figure 1.

Embodiment

Fig. 1 and Fig. 2 show an embodiment's of a kind of static vane compressor of the utility model structural representation and fundamental diagram.In this embodiment, described static vane compressor comprises a rotor 1, cylinder 2, blade 3, rotary column 4, two end cap (not shown)s; Described rotor 1 has a cylindrical outer surface, and described cylinder 2 has a circle hole shape inner hole surface, and described blade 3 is flat, and described rotary column 4 has a cylindrical outer surface; Rotor 1 is biased in the cylinder 2, rotor axis O1 and cylinder-bore axis O2 be arranged in parallel, the distance of two axial lines is the throw of eccentric of rotor 1 with respect to cylinder 2, rotor axis O1 rotates around cylinder-bore axis O2, and the outer surface of rotor 1 cooperates (allow and have movement clearance or oil clearance) with the inner hole surface of cylinder 2 is tangent; Blade 3 is parallel with cylinder-bore axis O2, and its outer end and cylinder 2 are tightly connected, and the optimum position of blade 3 is to arrange that along the radial direction of cylinder 2 two side ends of blade 3 is connected (not shown) with corresponding two end bracket enclosed respectively; Need to prove especially, described be tightly connected be meant adopt build-in to connect, be articulated and connected, screw connects, the rivet connection, be welded to connect or linkage structures such as interference connection, gluing connection, can also be that sealing is close to, even can lay elastic sealed body such as rubber, north material, copper sheet, paper washer, fiber, sealer or the like in the joint, what blade 3 adopted among the embodiment shown in the figure is the sealing configuration of build-in to cylinder 2; Cylinder 2, blade 3 and end cap are static layout in the present embodiment, that is they are not movement parts, and this is greatest feature of the present utility model place; On rotor 1, offer the arc groove parallel 5 with rotor axis O1, arc groove axes O 3, described rotary column 4 is fitted in this arc groove 5 and is rotatably assorted with it; Offering one on rotary column 4 is the chute 6 of the parallel flat of O3 with the arc groove axis, and described blade 3 inserts in this chute 6 and is slidingly matched with it; For driving rotor 1 motion, be coaxially arranged with rotating shaft 7 in the center portion of rotor 1, rotating shaft 7 can direct driving rotor 1 (not shown) also can drive rotor 1 (as shown in FIG.), can be that rolling bearing also can be a sliding bearing by bearing 8, it is to be noted, rotating shaft 7 can also can be driven by shaft coupling or belt or gear etc. by motor indirectly by motor direct-drive; For cylinder-bore axis O2, rotating shaft 7 belongs to the eccentric journal structure; Be not difficult to find from the compressor operating phase diagram that Fig. 2 provides, rotor 1 is followed rotor axis O1 on the one hand and is rotated around cylinder-bore axis O2, rotor 1 is also done oscillating motion around rotor axis O1 on the other hand, outer surface by rotor 1, the inner hole surface of cylinder 2 and both sides end cap have surrounded the crescent-shaped space of an enclosed shape, blade 3 divides the space into two active chamber air aspiration cavitys 9 and compression chamber 10, rotation along with rotor 1, the volume of air aspiration cavity 9 increases gradually, the volume of compression chamber 10 then reduces gradually, obviously, separately at end cap or separately at cylinder 2 or simultaneously intakeport is set on end cap and cylinder 2 and communicates with air aspiration cavity 9, relief opening is set to communicate with compression chamber 10, can constitute compressor, the intakeport 11 of present embodiment is located on the cylinder 2, relief opening 12 is located on the end cap;

In order to obtain the pulsation of bigger air displacement and minimizing exhaust pressure, the utility model static vane compressor can be made the form of multi-cylinder, promptly adopt rotor 1, cylinder 2, blade 3 and the rotary column 4 of a plurality of same sizes or similar size to be combined into multicylinder compressor, combination can be in parallel also can connecting, with the parallel connection is example, and two cylinder machines can be made glasses shape layout, three cylinder machines can do that layout, four-cylinder can be made rectangular layout, five cylinder machines and then can make plum blossom shape layout or the like more than five cylinders in a triangle;

What deserves to be explained is, the material of compressor component can adopt metallic material also can adopt nonmetallic material, its best practice is to be body with metal such as cast iron, steel and materials such as alloyed steel, powder metallurgy, edge, embedding, plating or cover some elastic materials such as plastics, rubber, nylon and various fibers etc. on the basis of body then, antiwear heat resisting and antifriction materials such as above-mentioned nonmetallic material can the filling carbon dust, graphite, glass powder so just can be made compressor non-lubricated compressor;

In the present embodiment, blade 3 adopts the structure that is fastenedly connected to be connected with cylinder 2 and end cap, has eliminated matching gap and relative movement between them on the one hand, has reduced friction and the leakage of blade 3 with cylinder 2 and end cap; Because blade 3 and cylinder 2 are state of rest and do not move,, they consider that in other words the dynamic balancing of compressor is simplified on the other hand so need not carrying out dynamic balancing.

At last; it must be noted that; the structure of the utility model static vane compressor and working principle can be transplanted on various fluid pumps and the fluid motor; as oil hydraulic pump, flow pump, sewage pump, vacuum pump and oil hydraulic motor or the like, all in said apparatus, adopt the utility model technology all should belong to category of the present utility model and protection domain.

Claims

1. A stationary vane compressor, comprising a rotor [1], a cylinder [2], a vane [3], a rotating column [4] and an end cover; the rotor [1] has a cylindrical outer surface, and the The cylinder [2] has a circular hole-shaped inner surface, the blade [3] is flat, and the rotating column [4] has a cylindrical outer surface; the rotor [1] is offset in the cylinder [2], The axis of the rotor [1] is set parallel to the axis of the cylinder [2], and the outer surface of the rotor [1] is in tangential contact with the inner surface of the cylinder [2]; it is characterized in that the outer end of the blade [3] is in contact with the cylinder [2]. ] adopts a sealed connection, and the two sides of the blade [3] are respectively sealed and connected with the corresponding end cover; The rotor [1] is provided with an arc groove [5], and the rotating column [4] is fitted in the arc groove [5] and rotates with it; the rotating column [4] ] is provided with a flat chute [6], and the blade [3] is inserted into the chute [6] and slidably matched with it.

2. A stationary vane compressor according to claim 1, characterized in that the arrangement direction of the vanes [3] is the radial direction of the cylinder [2].

3. A stationary vane compressor according to claim 1 or 2, characterized in that the central part of the rotor [1] is coaxially provided with a rotating shaft [7].

4. A stationary vane compressor according to claim 3, characterized in that the shaft [7] drives the rotor [1] through a bearing [8].

5. A stationary vane compressor according to any one of claims 1 to 4, characterized in that the compressor is a multi-cylinder machine, the rotor [1], cylinder [2], vane [3] There are several with the number of rotating column [4].

6. A stationary vane compressor according to any one of claims 1 to 4, characterized in that the components of the compressor can be made of non-metallic elastic materials.

7. A stationary vane compressor according to any one of claims 1 to 4, characterized in that the rotating shaft [7] is directly driven by a motor.

8. A stationary vane compressor according to any one of claims 1 to 4, characterized in that the rotating shaft [7] is indirectly driven by a motor through couplings or belts or gears.

9. A stationary vane compressor according to any one of claims 1 to 4, characterized in that said stationary vane compressor is used as a fluid pump or a fluid motor.