CN205533217U - Compressor pump body structure and compressor - Google Patents

Abstract

The utility model discloses a compressor pump body structure belongs to the compressor field, and it is equipped with the cylinder jacket between last flange and lower flange, be equipped with the cylinder in the cylinder jacket, and it is provided with the piston to slide in the cylinder, forms the long -pending chamber of a varactor between cylinder jacket, cylinder and the piston, wear to be equipped with the pivot on the piston, the axle center of pivot and the axle center eccentric settings of cylinder and eccentric apart from fixed, the pivot drives the piston and the cylinder rotates, and the piston pivoted slides in the cylinder simultaneously to change the volume in the long -pending chamber of varactor. The utility model discloses a setting up and forming the long -pending chamber of a varactor between cylinder jacket and cylinder jacket, cylinder and the piston, replaced the structure of piston bush, no longer have the problem that the passageway was leaked to circumference, fundamentally has reduced the compressor leakage, improves the compressor performance, and the utility model discloses a pump body structure processing technology is simple, the assembly of being convenient for.

Description

A kind of compressor pump structure and compressor

Technical field

This utility model relates to compressor field, particularly relates to a kind of compressor pump structure and compressor.

Background technology

At present, turn the pump body structure of cylinder compressor, it is common that installed with cylinder coaxial by piston bush, subsequently will Piston is placed in the piston hole of piston bush, and piston uses non-round structure, in order to prevent piston rotation；Inhale, Exhaust passage is all distributed on cylinder wall.

Turn in cylinder compressor operation process above-mentioned, there is following several problem:

There is circumference leakage path between the most above-mentioned piston bush and cylinder, it is the main leakage of compressor Passage, causes compressor performance to reduce.

The most above-mentioned piston bush needs the most spacing when assembling, need to use the short axle cantilever support of rotating shaft, cause The piston support portion span of rotating shaft is big, and under unit force effect, deformation and contact stress are excessive.

3. inhale, exhaust passage is all distributed on cylinder wall, causes cylinder to be difficult to, and processing cost is higher.

The most above-mentioned outside piston face is two sections of arc surfaces, two parallel surfaces of intermediate distribution, matched piston The piston hole put is made up of two arc surfaces, two parallel surfaces equally, causes above-mentioned piston and piston noose Structure is complicated, and processing cost is higher, and crudy is difficult to ensure that.

5. the circumferential friction pair between cylinder and piston set is sliding friction pair, this friction pair linear speed in the running The area of degree and friction pair is excessive, causes this friction pair friction power loss excessive, affects compressor performance.

Utility model content

The purpose of this utility model is to provide a kind of simplified processing process, be easy to assembling and lead to without circumference leakage The compressor pump structure in road.

Another object of the present utility model is to provide the compressor that a kind of processing cost is low, performance is high.

For reaching this purpose, this utility model by the following technical solutions:

A kind of compressor pump structure, including upper flange and lower flange, described upper flange and lower flange it Between be provided with cylinder jacket, be provided with the cylinder that can rotate around Pivot Point Center in described cylinder jacket, slide in described cylinder It is provided with piston, between described cylinder jacket, cylinder and piston, forms a capacity chamber；

Axle center eccentric setting and the eccentric throw of rotating shaft, the axle center of described rotating shaft and cylinder it is equipped with on described piston Fixing, described rotating shaft is slided, to change while driving piston and rotational cylinder, and piston rotation in cylinder Become the volume in described capacity chamber.

As preferably, what described piston ran through is provided with slide opening, and rotating shaft is through described slide opening and drives piston edge Slide in cylinder in the direction being perpendicular to shaft axis, and piston is by slide opening relative to rotating shaft slidably.

As preferably, what described piston outer wall was symmetrical and parallel relative to piston axis is provided with two the first slidings Plane, described slide opening inwall is provided with two the second parallel glide mirror (plane)s, described second glide mirror (plane) and first Glide mirror (plane) is arranged in a mutually vertical manner.

As preferably, it is flat that what described cylinder inner wall was symmetrical and parallel relative to cylinder-bore axis is provided with two inwalls Face, described inwall plane is equipped with the first glide mirror (plane) sliding.

As preferably, described cylinder also includes the first cylinder body and the second cylinder body that ladder arranges, and described inwall is put down Face is positioned on the inwall of the first cylinder body and the second cylinder body, and described cylinder jacket is sheathed on the first cylinder body and the second cylinder body Outside, piston is placed in the first cylinder body and the second cylinder body；Described first cylinder body is along the extension of inwall plane both sides Direction is provided with opening, forms described capacity chamber between described opening, cylinder jacket and piston.

As preferably, described cylinder jacket includes the first shoulder hole and the second shoulder hole, the first cylinder that ladder arranges Body is positioned at the first shoulder hole, and the second cylinder body is positioned at the second shoulder hole.

As preferably, between described cylinder and cylinder jacket, it is provided with cages for needle assembly.

As preferably, described upper flange is provided with the first air intake passage all periodically connected with described capacity chamber And first exhaust passage, when described first air intake passage is communicated in described capacity chamber, described capacity chamber Air-breathing, when first exhaust passage is communicated in described capacity chamber, described capacity chamber aerofluxus.

As preferably, described cylinder jacket is provided with the second air intake passage and second exhaust passage, the second air-breathing Channel connection is in the first air intake passage, and second exhaust channel connection is in first exhaust passage.

On the other hand, this utility model is the most by the following technical solutions:

A kind of compressor, including above-mentioned compressor pump structure.

Pump body structure of the present utility model is by arranging cylinder jacket and being formed between cylinder jacket, cylinder and piston One capacity chamber, the problem that instead of the circumferential leakage path of the structure of piston bush, no longer existence, fundamentally Reduce compressor leakage, improve compressor performance.And air intake passage and exhaust passage are arranged on upper method Lan Shang, simplifies the difficulty of processing of cylinder, reduces processing cost.Rolling is set between cylinder and cylinder jacket Pin retainer assembly, becomes rolling friction by sliding friction between the two, reduces friction between the two Power consumption, improves service behaviour.

Compressor of the present utility model is by using above-mentioned pump body structure, and mechanical consumption step-down, performance obtains Significantly improve.

Accompanying drawing explanation

Fig. 1 is the detonation configuration schematic diagram of this utility model preferred embodiment one compressor pump structure；

Fig. 2 is the assembling schematic diagram of this utility model preferred embodiment one compressor pump structure；

Fig. 3 is that the A-A of this utility model Fig. 2 is to sectional view；

Fig. 4-8 is the structural representation of this utility model preferred embodiment one compressor pump structure upper flange；

Fig. 9 is the structural representation of this utility model pressure preferred embodiment one contracting machine pump body structure lower flange；

Figure 10-11 is the structural representation of utility model preferred embodiment one compressor pump structure cylinder jacket；

Figure 12 is the structural representation of this utility model preferred embodiment one compressor pump structure cylinder；

Figure 13 is the structural representation of this utility model preferred embodiment one compressor pump structure piston；

Figure 14-15 is the structural representation of this utility model preferred embodiment one compressor pump structure rotating shaft；

Figure 16 is the principle schematic of the cross slides of this utility model preferred embodiment one；

Figure 17 is that the duty that the piston of this utility model preferred embodiment one is in when preparing to start air-breathing is shown It is intended to；

Figure 18 is the duty signal that the piston of this utility model preferred embodiment one is in breathing process Figure；

Figure 19 is that the piston of this utility model preferred embodiment one is in air-breathing and completes and start work when compressing View；

Figure 20 is the piston of this utility model preferred embodiment one duty when being in gas compression aerofluxus Schematic diagram；

Figure 21 is that the piston of this utility model preferred embodiment one is in duty signal when aerofluxus completes Figure；

Figure 22 is the structural representation of the compressor of this utility model preferred embodiment two.

In figure:

10, upper flange；20, lower flange；30, cylinder jacket；40, cylinder；50, piston；60, rotating shaft； 70, cages for needle assembly；80, capacity chamber；90, dispenser component；91, housing unit；92、 Electric machine assembly；93, compressor pump structure；94, cover assembly；95, lower cover component；100, screw； 101, the first air intake passage；102, first exhaust passage；103, upper flange body；104, upper flange leads to Hole；105, upper flange screw hole；106, air entry；107, air vent；108, exhaust valve component；201、 Lower flange body；202, lower flange through hole；203, lower flange screw hole；301, the first shoulder hole；302、 Second shoulder hole；303, the second air intake passage；304, second exhaust passage；305, cylinder liner body；306、 Screw；401, the first cylinder body；402, the second cylinder body；403, inwall plane；404, opening；501, sliding Hole；502, the first glide mirror (plane)；503, the second glide mirror (plane)；504, piston only；505, arcwall face； 601, sliding coordinates face；602, long shaft part；603, piston supporting section；604, short shaft part；605, lubrication Oil duct；6011, oil groove；6012, oilhole.

Detailed description of the invention

Further illustrate the technical solution of the utility model below in conjunction with the accompanying drawings and by detailed description of the invention.

In description of the present utility model, it is to be understood that term " on ", D score, "left", "right", Orientation or the position relationship of the instruction such as " vertically ", " level ", " interior ", " outward " are based on side shown in the drawings Position or position relationship, be for only for ease of description this utility model and simplify description rather than instruction or hint The device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not It is interpreted as restriction of the present utility model.

Preferred embodiment one:

The present embodiment provides a kind of compressor pump structure, and as shown in Figure 1 and Figure 2, it includes upper flange 10, lower flange 20, cylinder jacket 30, cylinder 40, piston 50, rotating shaft 60 and cages for needle assembly 70, Wherein:

Cylinder jacket 30 is between upper flange 10 and lower flange 20, and is fixed by screw 100, cylinder 40 can be arranged in cylinder jacket 30 around what Pivot Point Center rotated, and piston 50 is positioned at described cylinder 40, and phase For cylinder 40 slidably, but do not relatively rotate；

With reference to Fig. 3, between above-mentioned cylinder jacket 30, cylinder 40 and piston 50, form a capacity chamber 80, The volume in this capacity chamber 80 can change along with the slip of piston 50；

Rotating shaft 60 sequentially passes through upper flange 10, piston 50 and lower flange 20 and arranges, the axle of this rotating shaft 60 Axle center eccentric setting and the eccentric throw of the heart and cylinder 40 are fixed, and when rotating shaft 60 rotates, can drive piston 50 Rotate, piston 50 then band dynamic air cylinder 40 rotates cylinder jacket 30 in, above-mentioned piston 50 rotation while, Can slide in cylinder 40 along the direction being perpendicular to rotating shaft 60 axis, to change the appearance in described capacity chamber 80 Long-pending, above-mentioned capacity chamber 80 can rotate along with cylinder 40 and the rotation of piston 50.

Axle center eccentric setting and the eccentric throw in the axle center of rotating shaft 60 with cylinder 40 are fixed by the present embodiment, rotating shaft 60 and cylinder 40 can rotate around respective axle center in motor process, and centroid position is constant so that piston 50 In cylinder 40 during motion, it is possible to stablize and rotate continuously, and ensure the volume change in capacity chamber 80 There is rule, thus improve the performance of compressor pump.

With reference to Fig. 4-8, upper flange 10 includes the first air intake passage 101, first exhaust passage 102, upper flange Body 103, upper flange through hole 104 and upper flange screw hole 105, wherein,

Upper flange body 103 is disc structure, and the first air intake passage 101 is arranged in upper flange body 103 Portion and its one end are run through upper flange body 103 lower surface and are arranged, and the other end is extraneous with upper flange body 103 even Logical；In cylinder 40 and piston 50 rotation process, when capacity chamber 80 turns to the first air intake passage 101 Position time, capacity chamber 80 connects with the first air intake passage 101, and carries out air-breathing；In the present embodiment, What the first air intake passage 101 ran through the part of upper flange body 103 lower surface is shaped as arcuate socket structure.Excellent Choosing, the outer circle wall of upper flange body 103 has air entry 106, this air entry 106 and first is inhaled Gas passage 101 is connected.

It is internal that first exhaust passage 102 is similarly disposed at upper flange body 103, and preferred and the first air-breathing Passage 101 sets up the both sides in upper flange body 103 axle center separately, and this first exhaust passage 102 one end is run through Flange body 1 lower surface is arranged, and the other end connects with upper flange body 103 external world；When 80 turns of capacity chamber When moving the position of first exhaust passage 102, capacity chamber 80 connects with first exhaust passage 102, goes forward side by side Row aerofluxus；Preferably, the upper surface at upper flange body 103 offers air vent 107, this air vent 107 It is connected with first exhaust passage 102；

Being more highly preferred to, with reference to Fig. 5, equipped with exhaust valve component 108 on air vent 107, it includes aerofluxus Valve block and valve block baffle plate, this exhaust valve plate and valve block baffle plate are fixed on row by valve screw (not shown) In the groove of QI KOU 107, exhaust valve plate is made just to cover air vent 107, it is possible to avoid gas in capacity chamber 80 Body leaks in a large number, it is ensured that the compression efficiency in capacity chamber 80.Exhaust valve component 108 in this utility model The space outerpace in capacity chamber 80 with pump body structure can be separated, for back pressure aerofluxus, i.e. when capacity chamber 80 After connecting with air vent 107, when the pressure in capacity chamber 80 is more than space outerpace pressure (pressure at expulsion), Exhaust valve plate is opened, and starts aerofluxus；If the pressure in capacity chamber 80 is still below pressure at expulsion after Lian Tong, then this Time exhaust valve plate do not work.

In the present embodiment, owing to capacity chamber 80 can rotate along with cylinder 40 and the rotation of piston 50, Therefore it is between capacity chamber 80 and the first air intake passage 101 and first exhaust passage 102 and periodically connects Logical, and then reach the purpose of piston 50 compressed gas.

Upper flange through hole 104 penetrates for rotating shaft 60, and what it was coaxial is opened in the axle of upper flange body 103 At the heart.

Upper flange screw hole 105 is set to multiple, and in uniform being arranged on upper flange body 103 of circumference, Upper flange body 103 is fixed in cylinder jacket 30 through upper flange screw hole 105 by screw 100.This In embodiment, the center of circle of the circle that multiple upper flange screw hole 105 holes heart is constituted and the axle of upper flange body 103 Heart eccentric setting, the eccentric throw between its eccentric throw with cylinder 40 and rotating shaft 60 is identical.

Referring to Fig. 9, the lower flange 20 of the present embodiment includes lower flange body 201, lower flange through hole 202 And lower flange screw hole 203, wherein lower flange body 201 is disc structure, itself and upper flange body 103 Being coaxially disposed, what lower flange through hole 202 was coaxial is arranged at the axle center of lower flange body 201, is used for connecting And support rotating shaft 60；

Lower flange screw hole 203 is set to multiple, and in uniform being arranged on lower flange body 201 of circumference, Lower flange body 201 is fixed in cylinder jacket 30 through lower flange screw hole 203 again by screw 100, The center of circle of the circle that multiple lower flange screw hole 203 holes heart is constituted and the axle center eccentric setting of lower flange body 201, Eccentric throw between its eccentric throw with cylinder 40 and rotating shaft 60 is identical.

As shown in figs.10 and 11, cylinder jacket 30 include first shoulder hole the 301, second shoulder hole 302, Second air intake passage 303, second exhaust passage 304, cylinder liner body 305 and screw 306, wherein:

First shoulder hole 301 and the second shoulder hole 302 is stepped is arranged in cylinder liner body 305, and The axle center of the Kong Xinyu cylinder liner body 305 of two shoulder holes coincides；

Second air intake passage 303 is located on the first shoulder hole 301 and is connected with the first air intake passage 101, Make capacity chamber 80 air inlet more smooth；

Second exhaust passage 304 is also provided on the first shoulder hole 301 and preferred and the second air intake passage 303 Setting up the both sides at the first shoulder hole 301 hole heart separately, it is connected with first exhaust passage 102, it is possible to make Capacity chamber 80 aerofluxus is more smooth, increases the circulation area of air vent 107, thus reduces exhaust resistance, Improve the work efficiency of pump body structure.

Two surfaces up and down of cylinder liner body 305 are horizontal plane, its with upper flange 10 and lower flange 20 in Fit tightly state；

Screw 306 is separately positioned on two surfaces up and down of cylinder liner body 305, can arrange multiple, its point The most corresponding with the position of upper flange screw hole 105 and lower flange screw hole 203, for by screw 100 Cylinder jacket 30 is fixed with upper flange 10 and lower flange 20.

With reference to Figure 12, the cylinder 40 of the present embodiment includes first cylinder body the 401, second cylinder body 402 and inwall Plane 403, wherein the first cylinder body 401 and the second cylinder body 402 are arranged in hierarchic structure, the first cylinder body 401 In the first shoulder hole 301, the inwall of its outer wall and the first shoulder hole 301 fits, and upper surface is level Face and the lower surface with upper flange 10 fit；This first cylinder body 401 is positioned at the second cylinder body 402 upper end, and It is that two circular arc block structures are arranged, and the outer diameter of the first cylinder body 401 is equal to the inwall of the second cylinder body 402 Diameter；

Second cylinder body 402 is positioned at the second shoulder hole 302, its outer wall and the inwall phase of the second shoulder hole 302 Laminating is arranged, and lower surface is horizontal plane the upper surface laminating with lower flange 20；

Inwall plane 403 is positioned on the first cylinder body 401 and the second cylinder body 402 inwall, and it is relative to cylinder The axisymmetrical of 40 and parallel setting, concrete above-mentioned inwall plane 403 for run through the first cylinder body 401 with And second cylinder body 402 arrange, and the length of this inwall plane 403 is less than the inner diameter of the second cylinder body 402；

Be provided with opening 404 in the both sides of the first cylinder body 401, particularly the first cylinder body 401 is along inwall plane The bearing of trend of 403 both sides arrange it can be understood as, the first cylinder body 401 is envisioned as a circle main body, then Being cut away by this cylinder mid portion, the width cut away is the distance between two inwall planes 403, i.e. shape First cylinder body 401 of cost implementation.In the present embodiment, above-mentioned opening 404 and cylinder jacket 30, piston 50 Together form above-mentioned capacity chamber 80.

As shown in figure 13, piston 50 is non-circular structure, is preferably arranged to square structure, relative to existing The piston of circular configuration, the surface of the piston 50 in the present embodiment is mostly parallel plane, reduces piston The difficulty of processing of 50, also reduces its processing cost.

Above-mentioned piston 50 include the 502, second glide mirror (plane) 503, slide opening the 501, first glide mirror (plane) and Piston only 504, wherein slide opening 501 is arranged on piston only 504 centre position, its Kong Xinyu piston only The axle center of 504 coincides, and rotating shaft 60 is through slide opening 501 and drives piston 50 along being perpendicular to rotating shaft 60 axis Direction reciprocatingly slide in cylinder 40, and piston 50 is reciprocally slided relative to rotating shaft 60 by slide opening 501 Dynamic, it is ensured that the motion credibility of piston 50, it is prevented effectively from piston 50 and moves stuck problem.Preferably, Above-mentioned slide opening 501 could be arranged to elongated hole or mounting hole, to realize reciprocatingly sliding relative to rotating shaft 60.

First glide mirror (plane) 502 is set to two, is arranged on the outer wall of piston only 504, and relatively In axisymmetrical and the parallel setting of piston only 504, this first glide mirror (plane) 502 and inwall plane 403 Sliding coordinates, i.e. piston 50 is reciprocatingly slided along inwall plane 403 by this first glide mirror (plane) 502, also prevents Stop piston 50 and rotation has occurred in cylinder 40；

Second glide mirror (plane) 503 is set to two, and parallel is arranged on two inwalls that slide opening 501 is relative, And second glide mirror (plane) 503 be arranged in a mutually vertical manner with the first glide mirror (plane) 502.

The height of piston only 504 is identical with the height of cylinder 40, and its upper and lower surface is horizontal plane, respectively Fit with upper flange 10 and lower flange 20；Piston only 504 is provided with and the first glide mirror (plane) 502 Two adjacent arcwall faces 505, this arcwall face 505 and first cylinder 401 and interior table of the second cylinder 402 Face adaptability coordinates.

With reference to Figure 14, long shaft part 602 that rotating shaft 60 includes arranging from top to bottom, piston supporting section 603 and Short shaft part 604, the longest shaft part 602 one end is positioned at outside upper flange 10, and the other end is positioned at upper flange 10 In upper flange through hole 104, and this end end face is concordant with upper flange 10 lower surface；Short shaft part 604 length with under The degree of depth of flange through hole 202 is identical, and it is placed in lower flange through hole 202；

Piston supporting section 603 is between upper flange 10 lower surface and lower flange 20 upper surface, and is placed in work In the slide opening 501 of plug 50, the be provided with sliding parallel and symmetrical in the both sides of piston supporting section 603 coordinates face 601, This sliding coordinate face 601 and the second glide mirror (plane) 503 with the use of, when rotating shaft 60 rotates, pass through sliding Cooperation face 601 coordinates with the second glide mirror (plane) 503 so that piston 50 can be reciprocal relative to rotating shaft 60 Slide.Owing to two slidings coordinate face 601 to be symmetrical set, so that two slidings coordinate face 601 It is more uniformly stressed, it is ensured that rotating shaft 60 and the motion credibility of piston 50.Preferably, above-mentioned sliding is joined Conjunction face 601 is arranged in tetragon, and then when rotating shaft 60 rotates, it is possible to prevent rotating shaft 60 and piston 50 phase To rotation.

In the present embodiment, what rotating shaft 60 ran through is provided with oil leab 605, by this oil leab 605 energy Enough ensure the lubricating reliability of rotating shaft 60 and piston 50.Coordinate in sliding and have oil groove 6011 on face 601, Offering the oilhole 6012 being radially arranged along rotating shaft 60 on oil groove 6011, it is connected with oil leab 605.

Cages for needle assembly 70 in the present embodiment is arranged between cylinder 40 and cylinder jacket 30 (with reference to figure 1-3), concrete is arranged between the second cylinder body 402 and the second shoulder hole 302, and with the second cylinder body 402 It is coaxially disposed.By using cages for needle assembly 70 so that by sliding between cylinder 40 and cylinder jacket 30 Friction becomes rolling friction, friction power loss is greatly reduced, improves the performance of compressor pump structure.

As shown in figure 16, the pump body structure of the compressor in this utility model uses cross slides principle to set Put.Wherein, the axle center O of rotating shaft 60₁Axle center O with cylinder 40₂Eccentric setting, and the two is rotating around each Axle center rotate, the eccentric throw of the two is fixed as e；The axle center of rotating shaft 60 to the axle center of piston 50 distance with And the axle center of cylinder 40 is respectively equivalent to two connecting rod l to the distance in the axle center of piston 50₁、l₂, constitute State cross slides.

In the present embodiment, piston 50 serves as the slide block in cross slides, and the sliding of rotating shaft 60 coordinates Face 601 is as first connecting rod l₁, cylinder 40 inwall plane 403 as second connecting rod l₂, above-mentioned sliding is joined Conjunction face 601 is mutually perpendicular to inwall plane 403, constitutes the agent structure of crosshead shoe principle. When rotating shaft 60 rotates, piston 50 phase countershaft 60 and cylinder 40 are made linear reciprocation and are slided, to realize gas Body compresses, and piston 50 entirety is along with rotating shaft 60 synchronous axial system, and piston 50 is relative to the axle of cylinder 40 The heart runs in the range of eccentric distance e.It is found that its running orbit after piston 50 is reduced to barycenter For circular motion, this circle is with the axle center O of cylinder 40₂Axle center O with rotating shaft 60₁Between distance be diameter (i.e. Eccentric distance e).

The stroke of the piston 50 of the present embodiment is 2e, and the cross-sectional area of piston 50 is S, and compressor displacement is (also It is exactly maximum aspirated volume) it is V=2 × (2e × S).

The compound motion of this kind of cross slides makes piston 50 reciprocating relative to cylinder 40, and this is past Multiple motion makes above-mentioned capacity chamber 80 periodically become greatly, reduce.And cylinder 40 can be relative to cylinder jacket 30 Rotate, make capacity chamber 80 periodically connect with the first inlet channel 101, first exhaust passage 102. Under the common effect of two above relative motion, make the compressor pump structure of the present embodiment can complete to inhale Gas, compression, the process of aerofluxus.

Below in the present embodiment capacity chamber 80 is completed air-breathing, a process for aerofluxus to be illustrated:

As shown in figure 17, state when now this capacity chamber 80 is in non-air-breathing；Along with turning of rotating shaft 60 Dynamic, capacity chamber 80 can turn to the position connected with the first air intake passage 101, now capacity chamber 80 Start air-breathing (shown in Figure 18), when rotating shaft 60 continues to drive piston 50 and cylinder 40 to rotate, capacity Chamber 80 rotates and departs from the first air intake passage 101, and its interior gas starts to be compressed (i.e. piston by piston 50 50 slide in cylinder 40 changes the volume in capacity chamber 80, compresses its interior gas (as shown in figure 19)； Rotating shaft subsequently 60 is rotated further, when capacity chamber 80 turns to connect with first exhaust passage 102, its Interior gas discharges (as shown in figure 20) through first exhaust passage 102；Rotating shaft 60 is rotated further, this capacity Departing from first exhaust passage 102 in chamber 80, now the gas in capacity chamber 80 is discharged completely, the row of completing Gas process (as shown in figure 21).Carry out air-breathing, exhaust cycle next time subsequently.

Preferred embodiment two:

The present embodiment provides a kind of compressor, including the compressor pump structure in preferred embodiment one, specifically , as shown in figure 22, this compressor include dispenser component 90, housing unit 91, electric machine assembly 92, Compressor pump structure 93, cover assembly 94 and lower cover component 95, wherein, dispenser component 90 is arranged on The outside of housing unit 91 is also communicated in first inlet channel of upper flange 10 of compressor pump structure 93 101, cover assembly 94 is assemblied in the upper end of housing unit 91, and lower cover component 95 is assemblied in housing unit 91 Lower end, electric machine assembly 92 and compressor pump structure 93 are respectively positioned on the inside of housing unit 91, and motor Assembly 92 is arranged on the top of compressor pump structure 93, and the motor output end of electric machine assembly 92 is connected to turn Axle 60, drives rotating shaft 60 to rotate.

In the present embodiment, when the piston 50 of compressor pump structure 93 completes the motion of a week, meeting air-breathing, Row time twice, so that compressor has the advantages that compression efficiency is high.Single cylinder roller compressor with same discharge capacity Compare, owing to original first compression to be divided into two second compression, thus the power of the compressor in this utility model Square fluctuation is relatively small, during operation, has the advantage that exhaust resistance is little, effectively eliminates exhaust noise.

Obviously, above-described embodiment of the present utility model is only used to understand the act that explanation this utility model is made Example, and it is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field For, can also make other changes in different forms on the basis of the above description.Here without Also cannot all of embodiment be given exhaustive.All made within spirit of the present utility model and principle Any amendment, equivalent and improvement etc., should be included in this utility model scope of the claims it In.

Claims (10)

1. a compressor pump structure, including upper flange (10) and lower flange (20), its feature exists In, it is provided with cylinder jacket (30), described cylinder jacket between described upper flange (10) and lower flange (20) (30) being provided with the cylinder (40) that can rotate around Pivot Point Center in, sliding in described cylinder (40) is provided with Piston (50), forms a capacity between described cylinder jacket (30), cylinder (40) and piston (50) Chamber (80)；

Rotating shaft (60), the axle center of described rotating shaft (60) and cylinder (40) it is equipped with on described piston (50) Axle center eccentric setting and eccentric throw fix, described rotating shaft (60) drives piston (50) and cylinder (40) Rotate, and slide in cylinder (40), to change described capacity chamber (80) while piston (50) rotation Volume.

Compressor pump structure the most according to claim 1, it is characterised in that described piston (50) On run through be provided with slide opening (501), rotating shaft (60) is through described slide opening (501) drive piston (50) Slide in cylinder (40) along the direction being perpendicular to rotating shaft (60) axis, and piston (50) passes through slide opening (501) relative to rotating shaft (60) slidably.

Compressor pump structure the most according to claim 2, it is characterised in that described piston (50) Outer wall is relative to piston (50) axisymmetrical and parallel is provided with two the first glide mirror (plane)s (502), described Slide opening (501) inwall is provided with two parallel the second glide mirror (plane)s (503), described second glide mirror (plane) (503) It is arranged in a mutually vertical manner with the first glide mirror (plane) (502).

Compressor pump structure the most according to claim 3, it is characterised in that described cylinder (40) Inwall is relative to cylinder (40) axisymmetrical and parallel is provided with two inwall planes (403), described inwall Plane (403) is equipped with the first glide mirror (plane) (502) sliding.

Compressor pump structure the most according to claim 4, it is characterised in that described cylinder (40) Also include the first cylinder body (401) and the second cylinder body (402), described inwall plane (403) that ladder arranges Being positioned on the inwall of the first cylinder body (401) and the second cylinder body (402), described cylinder jacket (30) is sheathed on First cylinder body (401) and the second cylinder body (402) outside, piston (50) be placed in the first cylinder body (401) and In second cylinder body (402)；Described first cylinder body (401) is along the bearing of trend of inwall plane (403) both sides It is provided with opening (404), between described opening (404), cylinder jacket (30) and piston (50), forms institute State capacity chamber (80).

Compressor pump structure the most according to claim 5, it is characterised in that described cylinder jacket (30) the first shoulder hole (301) and the second shoulder hole (302), the first cylinder body (401) that ladder arranges are included Being positioned at the first shoulder hole (301), the second cylinder body (402) is positioned at the second shoulder hole (302).

Compressor pump structure the most according to claim 1, it is characterised in that described cylinder (40) And it is provided with cages for needle assembly (70) between cylinder jacket (30).

Compressor pump structure the most according to claim 1, it is characterised in that described upper flange (10) the first air intake passage (101) all periodically connected with described capacity chamber (80) and the it is provided with One exhaust passage (102), when described first air intake passage (101) is communicated in described capacity chamber (80), Described capacity chamber (80) air-breathing, when first exhaust passage (102) is communicated in described capacity chamber (80), The aerofluxus of described capacity chamber (80).

Compressor pump structure the most according to claim 8, it is characterised in that described cylinder jacket (30) the second air intake passage (303) and second exhaust passage (304), the second air intake passage it are provided with (303) being communicated in the first air intake passage (101), second exhaust passage (304) is communicated in first exhaust and leads to Road (303).

10. a compressor, it is characterised in that include the compressor pump as described in claim 1-9 is arbitrary Body structure.