CN1769675A - Multiple compressor - Google Patents
Multiple compressor Download PDFInfo
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- CN1769675A CN1769675A CN 200410072677 CN200410072677A CN1769675A CN 1769675 A CN1769675 A CN 1769675A CN 200410072677 CN200410072677 CN 200410072677 CN 200410072677 A CN200410072677 A CN 200410072677A CN 1769675 A CN1769675 A CN 1769675A
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Abstract
The invention discloses a multiple compressor, which consists of motor part and several compressor parts in the sealing container, wherein the compressor part contains crank, cylinder, connection rod and connection lid; the crank is set on the frame rotatably in the sealing container, which contains eccentric pin corresponding to the rotary central eccentricity; at least two cylinders are allocated at the center of crank rotary center with certain angle; the piston is set in the compression chamber, which compresses the working fluid; the connection rod connects the crank eccentric pin and piston through ball end, which deliver the crank activation force through reciprocal line movement in the cylinder; the connection lid connects one end of connection rod on the crank eccentric pin rotatably. The invention minimizes the noise and expands the compressor volume obviously, which improves the compressor efficiency.
Description
Technical field
The present invention relates to compressor, more particularly, include the multiple compressor of the pressing chamber of several compression working fluids.
Background technique
Fig. 1 is the sectional drawing that the hermetic compressor of prior art constitutes.As shown in the figure, seal container 1 is made of upper container 1t and bottom container 1b, forms confined space in inside.Be provided with frame 2 in the inside of above-mentioned seal container 1.The various component parts of compressor are installed on frame 2.That is, the mechanism portion 3 of driving force is provided and utilizes the compression mechanical part 7 of the driving force compression working fluid of mechanism portion 3 to be installed on the frame 2 to compressor in order to make the compressor rotation.
Mechanism portion 3 by be fixed on stator 4 on the frame 2, stator 4 inner with the electromagnetic force effects between the stator 4 under rotor rotated 5 constitute.Certain space is arranged between rotor 5 and the stator, and rotor is in central authorities' rotation of stator 4.
Compression mechanical part 7 is provided with the bent axle 8 that transmits mechanism portion 3 driving forces.Bent axle 8 connects the central authorities of frame 2, rotatably is supported on the frame 2.Be provided with in the upper end of bent axle 8 cam pin 8 ', the position of the rotating center skew of the relative bent axle 8 of cam pin 8 ' be positioned at.
On frame 2, be provided with inside have pressing chamber 9 ' cylinder 9.Pressing chamber 9 ' compression working fluid.For this reason, piston 10 is installed in pressing chamber 9 ' lining.Piston 10 is followed cam pin 8 ' connection of stating bent axle 8 by connecting rod 11.Connecting rod 11 is converted to rotatablely moving of bent axle 8 straight reciprocating motion of piston 10.
Reference character 12 is valvings, and valving Control work fluid makes it flow into pressing chamber 9 ' inside and to pressing chamber 9 ' outside discharge.
But, have following shortcoming according to the above-mentioned hermetic compressor of prior art.
In the compressor in the past, rotatable bent axle 8 is installed on the frame 2, and is formed cylinder 9 in the one side, piston 10 is according to the pressing chamber 9 ' lining straight reciprocating motion in the cylinder 9 of being rotated in of bent axle 8, compression working fluid.But, since have pressing chamber 9 ' cylinder 9 formation that offsets to one side from the center of frame 2, so a side of being partial to frame 2 when piston 10 when carrying out compression stroke applies active force, mechanism portion produces torque ripple (fluctuation), but frame 2 vibrations.Above-mentioned vibrations trigger noise, and when vibrations were big, the parts on the frame 2 also can collide the internal face of seal container and sustain damage.In addition, because frame 2 vibrations, bent axle 8 compression mechanical parts such as grade 7 also shake, so slide member wearing and tearing can take place and produces frictional loss.
In the prior art since have only a pressing chamber 9 ', so the capacity of compression working fluid is relatively little.In order to solve the little shortcoming of above-mentioned capacity, need to strengthen pressing chamber 9 ' internal diameter or need to increase the cam pin 8 ' offset of bent axle 8.But if change original design, it is big that other component parts of compressor also can the phase strain, therefore exists to make the whole volume of compressor become big shortcoming.
Summary of the invention
The present invention proposes for the shortcoming that solves above-mentioned prior art and exist, and its purpose is, in order to eliminate the energy imbalance that produces in the compression mechanical part in the compressor operation process.
Simultaneously, other purpose of the present invention is, even provide a kind of component parts the identical compressor that also can increase compression volume; Simplification transmits the formation of power to several press parts; Make the running noise that produces in the compressor operation process minimized.
Summary of the invention
In order to achieve the above object, multiple compressor of the present invention (multiple hermeticcompressor) is provided with mechanism portion that driving force is provided and is driven and several compression mechanical parts of compression working fluid by mechanism portion in seal container inside, include bent axle, cylinder, connecting rod and connecting sleeve [sleeve].Wherein, bent axle 30 is rotatably installed on the frame of seal container inside and is driven by mechanism portion, and is provided with the cam pin 32 of relative rotating center off-centre; Cylinder rotating center with bent axle 30 on frame 20 is that the center is symmetrical arranged, and portion forms the pressing chamber 51 of promising compression working fluid within it, and in pressing chamber 51 inside piston is set respectively; Connecting rod utilizes the pommel to connect with the cam pin and the piston of bent axle respectively, and piston from straight reciprocating motion to cylinder interior that do transmits crank-driven power; Connecting sleeve [sleeve] is rotatably connected to an end of each connecting rod on the crankshaft eccentric pin.
In the connection bump portion that outer circumferential face one side of connecting sleeve has the connection groove with a side connecting rod to be combined as a whole, have at the outer circumferential face opposite side of connecting sleeve and to lack one a pair of connecting plate than connecting rod quantity, and utilize connecting pin to make connecting plate follow the connecting ring combination of connecting rod.
The inner and outer circumferential surfaces that connects connecting sleeve forms quantity and lacks one pommel linkage part than connecting rod, and the pin that inserts the connecting rod front end connects the pommel; Connect the inner and outer circumferential surfaces of connecting sleeve and the portion that forms a fixed connection, insert the fixed connecting rod of a certain connecting rod front end, connecting rod and connecting sleeve move together thus.
Cam pin outer circumferential face around bent axle forms the pin connection pommel of installing connecting rods and the pommel mounting groove of fixed connecting rod front end.
At least one forms the inner face corresponding shape of following fixedly connected portion fixed connecting rod, can be fixedly connected inner not moving.
The outer circumferential face opening of connecting sleeve forms quantity with the identical pommel linkage part of connecting rod, and the pin that inserts the connecting rod front end in the linkage part of pommel connects the pommel; And the bottom in pin connection pommel utilizes the pommel supporting pin of lateral direction penetrating pommel linkage part to be supported in the linkage part of pommel.
The pin of a certain connecting rod connects the pommel and is combined on the connecting sleeve, and motion together.
Pommel linkage part on the connecting sleeve forms with a underpart opening of fixedlying connected respectively to connecting sleeve.
The upper end that connects cam pin is equipped with the rocking bar that prevents that connecting sleeve breaks away from away.
Above-mentioned multiple compressor of the present invention, on the symmetrical position of frame or the several angle of being separated by the parts of compression working fluid are set.According to above-mentioned formation, the multiple active force that produces during the running of the compression mechanical part of compression working fluid is cancelled out each other, and eliminates the frame imbalance, and the vibrations of frame are minimized.
In the compressor operation process, because the vibrations of frame minimize, so running noise descends, and prevent that the parts on the frame from sustaining damage because of the collision seal container, and realize the slide member minimise wear that causes because of vibrations, the compressor indoor design is become easily, and inner simultaneously formation also improves.
And being compressed in several cylinders of working fluid carried out successively, so even the whole volume of compressor does not increase, also can obviously improve the capacity of compressor.
In addition, working fluid is compression back discharge successively in a plurality of cylinders, so be compressed the working fluid pulsation reduction relatively of discharging the back.
Among the present invention and since connecting sleeve with a side connecting rod fixedly connected, so in operation process, connecting sleeve not relatively connecting rod move.Thus, prevent that the pin of connecting sleeve and connecting rod from connecting conflict mutually between the pommel, running noise is reached minimize.
Description of drawings
Fig. 1 is the inner formation of the hermetic compressor sectional drawing of prior art.
Fig. 2 is that one embodiment of the invention constitutes exploded perspective view.
Fig. 3 is that Fig. 2 embodiment constitutes sectional drawing.
Fig. 4 is the partial plan that Fig. 2 embodiment constitutes.
Fig. 5 is the exploded perspective view that another embodiment of the present invention constitutes.
Fig. 6 a is that Fig. 5 embodiment's connecting sleeve constitutes oblique drawing.
Fig. 6 b is Fig. 5 embodiment's the connecting rod component part oblique drawing with fixed connecting rod.
Fig. 7 is the exploded perspective view that further embodiment of this invention constitutes.
Fig. 8 is Fig. 7 embodiment's a connecting sleeve oblique drawing.
Fig. 9 is the operating state figure of the embodiment of the invention.
The explanation of main mark among the figure:
20: frame, 22: hub portion [boss],
23: intercommunicating pore, 30: bent axle,
32: cam pin, 33: pommel [ball] mounting groove,
35: oil duct, 36: rocking bar [rocker] hole,
38: rocking bar, 39: equilibrium block,
40: connecting sleeve, 41: the connecting rod pin-and-hole,
43: connection bump portion, 50,50 ': cylinder,
51: pressing chamber, 55: piston,
60,60 ': connecting rod, 62: connect groove,
64: connecting ring [ring], 64: through hole.
Describe in detail with reference to the accompanying drawings according to multiple compressor embodiment of the present invention.
Fig. 2 is the significant points formation exploded perspective view according to multiple compressor one embodiment of the present invention, and Fig. 3 is the significant points component part sectional drawing of the embodiment of the invention, and Fig. 4 is the partial plan that the embodiment of the invention constitutes.
As shown in the figure, frame 20 is arranged on the inside of seal container, is used to install each component parts of compressor.Frame 20 is generally supported by spring in the inside of seal container.Form wheel hub [boss] portion 22 in the mediad bottom of frame 20 for prolonging, form the intercommunicating pore 23 that direction up and down connects frame 20 in the central authorities of hub portion 22.
Bent axle 30 connects intercommunicating pore 23 and installs.Bent axle 30 is connected on the rotor of mechanism portion of frame 20 bottoms, and transfer rotates together.Bent axle 30 plays a part to the following connecting rod that will illustrate 60,60 ' transmission mechanism portion rotating force.
In the upper end of bent axle 30 cam pin 32 is set.Cam pin 32 is positioned at the position of the rotating center skew of relative bent axle 30, with the following connecting rod that will illustrate 60,60 ' connection.Oil duct 35 connects at cam pin 32 inner above-below directions and forms.Oil duct 35 is to extend from the bottom of bent axle 30, and by the rotation of bent axle 30, the slide part from the seal container bottom between bent axle 30 and hub portion 22 is carried lubricant oil, lubricated above-mentioned sliding position, and lubricant oil is splashed to the top of cam pin 32.
The upper end portion of rocking bar [rocker] hole 36 lateral direction penetrating cam pins 32 and forming.Rocking bar hole 36 is to insert rocking bar 38 through holes for the fixing following connecting sleeve [sleeve] 40 that will illustrate.The length of rocking bar 38 can make its two ends protrude to the outside in rocking bar hole 36 respectively.
To depart from the rotation that the rotating center position of bent axle 30 produces unbalanced because of cam pin 32 in order to eliminate, and in bent axle 30 upper end portions that are provided with cam pin 32 equilibrium block 39 is set.Rotating center with bent axle 30 is a benchmark, and above-mentioned equilibrium block 39 is positioned at the opposition side of cam pin 32.
Connecting sleeve 40 rotatably is combined in the top of cam pin 32, with the following connecting rod that will illustrate 60,60 ' connection.Central authorities at connecting sleeve 40 form pin-and-hole 41.The internal diameter of pin-and-hole 41 is bigger a little than the external diameter of cam pin 32.
Protrude formation connection bump portion 43 in outer circumferential face one side of connecting sleeve 40.Connection bump portion 43 is with connection groove 62 combinations of the following connecting rod that will illustrate 60.Outer circumferential face opposite side at connecting sleeve 40 has a pair of connecting plate 45.Connecting plate 45 is to form across certain distance in the short transverse of connecting sleeve 40, is formed with attachment hole 46 respectively.It is smaller relatively than the internal diameter of the attachment hole 46 of top connecting plate 45 to be positioned at the internal diameter of attachment hole 46 of connecting plate 45 of bottom here.
For connecting rod 60 ' connecting ring 64 be connected on the connecting plate 45, connecting pin 48 connects the attachment hole 46 of connecting plates 45.The underpart diameter of connecting pin 48 is relatively little, and the internal diameter of the attachment hole 46 of corresponding bottom connecting plate 45 prevents that above-mentioned connecting pin 48 from coming off from the bottom of connecting plate 45.Certainly, also can replace by bigger relatively connecting pin 48 with the diameter of upper end portion.45 pairs of connecting plates than connecting rod 60,60 ' quantity lack one.In the present embodiment, a pair of connecting plate 45 is positioned on the position of connection bump portion 43 correspondences.
In addition, on frame 20 both sides be provided with respectively the 1st and the 2nd symmetrical cylinder 50,50 '.Cylinder 50,50 ' inside form pressing chamber 51 respectively, and the piston 55 of straight reciprocating motion is set respectively in the inside of pressing chamber 51.Certainly, cylinder 50,50 ' pressing chamber 51 front ends valving and cylinder head [head cover] (not shown) are set, the Control work fluid pressing chamber 51 of coming in and going out respectively.
The elongation line that makes both sides pressing chamber 51 center lines is point-blank for best.But, according to design condition, the elongation line of pressing chamber 51 center lines is parallel to each other, and constitutes the structure of biasing [offset].
Piston 55 and bent axle 30 are by connecting rod 60,60 ' be connected.That is, bent axle 30 rotatablely moves by connecting rod 60,60 ' the be converted to straight reciprocating motion of piston 55.Connecting rod 60,60 ' connect rotationally with piston 55 by multiple structure.Such as: ball-end joint, wrist pin etc.
In addition, connecting rod 60 is formed with connection groove 62 with 43 combinations of connection bump portion in order to connect with connecting sleeve 40 at front end.By connecting groove 62 and 43 combinations of connection bump portion, connecting sleeve 40 and connecting rod 60 link together, and running together.
Connecting rod 60 ' in order to be formed with connecting ring 64 with connecting sleeve 40 connections.There is the through hole 65 that connecting pin 48 is inserted in the central authorities of connecting ring 64.
Though diagram not as Fig. 2 embodiment's variation, on the circular trace of the distance to a declared goal of being separated by from the rotating center of bent axle 30, has the cylinder 50,50 of pressing chamber 51 ' can have several across several angle.
For example: cylinder 50,50 ' can have 3 across 120 ° of spacings perhaps has 4 across 90 ° of spacings.And each piston 55 that cylinder 50,50 ' pressing chamber are 51 li is accepted rotating power by each connecting rod 60,60 ' connect with the cam pin 32 of bent axle 30.For this reason, form than 45 pairs of the connecting plates of few one of connecting rod 60,60 ' quantity at, connecting sleeve 40.
In addition, Fig. 5 and Fig. 6 illustrate another embodiment of the present invention.Convenient in order to illustrate, below main explanation catch up with and state the different position of embodiment.
As shown in the figure, the outer circumferential face around bent axle 30 cam pins 32 forms pommel [ball] mounting groove.The pin that will illustrate below the pommel mounting groove is installed connects a side of pommel 162 and fixed connecting rod 164.
Be inserted in connecting sleeve 140 on the cam pin 32.Connecting sleeve 140 is drums, is formed with the pin-and-hole 141 that above-below direction connects.Pin-and-hole inserts cam pin 32 for 141 li.
Fixedly connected 145 be the connecting rod 160 that will illustrate below inserting ' the position of fixed connecting rod 164.Fixedly connected 145 inner face forms with fixed connecting rod 164 shape corresponding shape, and in the present embodiment, cross section is trapezoidal.Also form for fixedly connected 145 and make the outside of connecting sleeve 140 and the shape that pin-and-hole 141 is interconnected, and the opening of the bottom of connecting sleeve 140 extends to form as pommel linkage part 143.
In addition, the cam pin 32 of piston 55 and bent axle 30 is by connecting rod 160,160 ' be connected.Connecting rod 160,160 ' respectively connects with piston 55 with relatively rotating.For example: utilize ball-end joint or wrist pin to connect.And an end of connecting rod 160 is formed with pin and connects pommel 162, states pin connection pommel 162 and is installed on the pommel linkage part 143 of connecting sleeve 140.The front portion that pin connects pommel 162 is installed in the mounting groove of pommel, and the rear portion is positioned at pommel linkage part 143.
Connecting rod 160 ' an end fixed connecting rod 164 is arranged.Fixed connecting rod 164 inserts fixedly connected 145 li, makes connecting sleeve 140 and connecting rod 160 ' rotation together.Fixed connecting rod 164 is cylindrical shape when seeing in the side as shown in Figure 6, when seeing on the plane is to form ladder-shaped.The front end of fixed connecting rod 164 is installed in the mounting groove of pommel.
Fig. 7 and Fig. 8 illustrate another embodiment of the present invention.Convenient in order to illustrate, below main explanation with the different position of embodiment.
On cam pin 32, be inserted in connecting sleeve 240.Connecting sleeve 240 is drums, has above-below direction to connect the pin-and-hole 241 that forms.State pin-and-hole and insert cam pin 32 for 241 li.
In the present embodiment, linkage part 243 external communications with connecting sleeve 240 in pommel are not communicated with pin-and-hole 241.That is, pin connection pommel 262 is installed in pommel linkage part 243 inside.So, in the present embodiment, do not form the pommel mounting groove that connects pommel 262 correspondences with pin at the outer circumferential face of cam pin 32.Pommel linkage part 243 is opened and is extended to form in the bottom of connecting sleeve 240.
Pin is connected pommel 262 be supported on formation in the pommel linkage part 243, and be described as follows.
The pommel linkage part is inserted pommel supporting pin 247 for 243 li, and pommel supporting pin 247 supports its two ends in supported hole 248,248 ' lining.Pommel supporting pin 247 plays the effect that the pin that supports 243 li of pommel linkage part connects pommel 262.
In addition, the cam pin 32 of piston 55 and bent axle 30 is by connecting rod 260,260 ' be connected.Connecting rod 260,260 ' rotatably is connected on the piston 55.For example: connect with ball-end joint or wrist pin.And, connecting rod 260,260 ' an end form pin and connect pommel 262, pin connects 243 li of the pommel linkage part that pommel 262 is installed in connecting sleeve 240.
In the present embodiment, a certain connecting rod 260 or 260 ' pin connect pommel 262 can solder bond on connecting sleeve 240.So, connecting sleeve 240 and a certain connecting rod 260 interconnect and motion together, prevent that connecting sleeve 240 arbitrarily rotates in the compressor operation process.
The following describes the effect of multiple compressor of the present invention.
At first explanation is assembled into the embodiment among Fig. 2 the process of Fig. 3 state.Connection piston 55 and each connecting rod 60,60 '.Insert the piston 55 of following connecting rod 60,60 ' connection from the front end of each pressing chamber 51.At this moment, connecting rod 60,60 ' can not protrude fully to the rear end of pressing chamber 51.
Then, on cam pin 32, be inserted in connecting sleeve 40.Certainly, also can assemble connecting sleeve 40 earlier after, refill and join piston 55.Afterwards, the connection bump portion 43 of connecting sleeve 40 is installed in 62 li of the connection grooves of connecting rod 60, insert between the connecting plate 45 again connecting rod 60 ' connecting ring 64.
The alignment attachment hole 46 of connecting plate 45 and the through hole 65 of connecting ring 64 are inserted into 65 li of attachment hole 46 and through holes to connecting pin 48 then, thus with connecting sleeve 40 and connecting rod 60 ' interconnect.
In the present embodiment, mutually combine by the connection groove 62 of connecting rod 60 and the connection bump portion 43 of connecting sleeve 40, connecting rod 60 and connecting sleeve 40 turn round together.
The operation process of multiple compressor of the present invention is described below with reference to Fig. 9.The piston 55 of Fig. 9 a diagram cylinder 50 be positioned at top dead center and cylinder 50 ' piston 55 be positioned at the state of lower dead center.Therefore, cylinder 50 is in the state of having arranged compression working fluid, cylinder 50 ' the be in state that sucks the working fluid that will compress.
In this state, bent axle 30 is that benchmark rotates to clockwise direction with the accompanying drawing, then becomes the state of Fig. 9 b.That is, in cylinder 50, carry out the working fluid suction stroke that will compress, cylinder 50 ' in carry out the working fluid compression stroke.
If bent axle 30 continues rotation, shown in Fig. 9 c, piston 55 is positioned at lower dead center, and cylinder 50 enters the state that the working fluid suction stroke finishes.And, cylinder 50 ' enter the state of having arranged compression working fluid because of piston 55 is positioned at top dead center.
In Fig. 9 d, bent axle 30 continues rotation, proceeds the compression stroke of pressing chamber 51 internal work fluids in cylinder 50, cylinder 50 ' in carry out the suction stroke of working fluid.Carry out repeatedly according to illustrated process among Fig. 9.
In above-mentioned operation process, along with the rotation of bent axle 30, connecting sleeve 40 is with cam pin 32 certain circular trace of drawing together.That is, connecting sleeve 40 revolves round the sun along the circular trace that cam pin 32 draws.
In the present embodiment, by connecting groove 62 and 43 connections of connection bump portion, running can prevent to produce running noise because of connecting sleeve 40 moves connecting rod 60 thus together with connecting sleeve 40.
The following describes Fig. 5 and embodiment's assembly process shown in Figure 6.At first, then piston 55 is inserted into pressing chamber 51 here, connecting rod 160,160 ' be combined on the piston 55.In this state, connecting rod 160,160 ' the pin front end that connects pommel 162 and fixed connecting rod 164 be installed in 33 li of pommel mounting grooves.
So, pin connects pommel 162 and fixed connecting rod 164 and is supported by cam pin 32 because of being installed in 33 li of pommel mounting grooves.In this state, insert connecting sleeve 140 from the top of cam pin 32.
The pin-and-hole of connecting sleeve 140 inserts cam pin 32 for 141 li.At this moment, can pommel linkage part 143 with fixedly connected 145 in respectively mount pin be connected pommel 162 and fixed connecting rod 164.Thus, connecting rod 160,160 ' and bent axle 30 cam pins 32 between connection finish.
And, because fixed connecting rod 164 145 mutually combines connecting sleeve 140 and connecting rod 160 ' running together with fixedlying connected.Therefore, in the compressor operation process, can prevent to produce noise because of connecting sleeve 140 arbitrarily rotates.
The following describes the assembling process of illustrated embodiment among Fig. 7 and Fig. 8.At first, connecting rod 260,260 ' be connected on the piston 55, pressing chamber inserts piston 55 for 51 li then.Afterwards, connecting sleeve 240 is enclosed within on the cam pin 32 from the top of cam pin 32, make connecting rod 260,260 ' pin connect pommel 262 respectively towards cam pin 32.
At this moment, the pommel linkage part 243 of connecting sleeve 240 is positioned at each pin and connects on the position of pommel 262 correspondences.Then, the pin-and-hole of connecting sleeve 240 inserts cam pin 32 for 241 li, and connect at pin under the state of 243 li of pommel 262 insertion pommel linkage part, for being connected pommel 262, pin is supported on the special position, by cutting part 245 pommel supporting pin 247 is inserted into supported hole 248,248 ' lining, makes supporting pin 247 two end supports in pommel in supported hole 248,248 ' lining.
So, in pommel linkage part 243, supporting pin 247 supporting pins in pommel connect pommel 262, and anti-shotpin connects pommel 262 and moves to the bottom.In addition, also can be a side connecting rod 260 ' be welded on the connecting sleeve 240, make connecting rod 260 ' turn round together with connecting sleeve 240, at this moment needn't use pommel supporting pin 247.
As mentioned above, if a side connecting rod 260 ' weld together with connecting sleeve 240, connecting sleeve 240 can arbitrarily not rotate in the compressor operation process.Therefore, can prevent to produce noise because of connecting sleeve 240 arbitrarily rotates.
In addition, the operation process of illustrated embodiment is similar to illustrated embodiment running among Fig. 2 respectively among Fig. 5 and Fig. 7, no longer repeats here.
Scope of the present invention does not limit in the above-described embodiments, but will define with the content of putting down in writing in claims, and those of ordinary skill in the art can produce the various deformation example within the interest field of claims record.For example: the method that connecting rod is connected piston and connecting sleeve also has several different methods except described above.
Claims (9)
1, a kind of multiple compressor, compressor is provided with mechanism portion that driving force is provided and is driven and the compression mechanical part of compression working fluid by mechanism portion in seal container inside, it is characterized in that, the compression mechanical part of compression working fluid is several, and compression mechanical part includes bent axle, cylinder, connecting rod and connecting sleeve; Bent axle is rotatably installed on the frame of seal container inside and is driven by mechanism portion, and is provided with the cam pin of relative rotating center off-centre; Cylinder rotating center with bent axle on frame is that the center is symmetrical arranged, and portion forms the pressing chamber of promising compression working fluid within it, and pressing chamber is provided with piston; Connecting rod utilizes the pommel to connect with the cam pin and the piston of bent axle respectively, transmits crank-driven power to the piston of doing straight reciprocating motion in cylinder respectively; Connecting sleeve is rotatably connected to an end of each connecting rod on the crankshaft eccentric pin.
2, multiple compressor according to claim 1, it is characterized in that, in outer circumferential face one side of connecting sleeve the connection bump portion that groove is combined as a whole that is connected with a side connecting rod is arranged, have at the outer circumferential face opposite side of connecting sleeve and to lack one a pair of connecting plate than connecting rod quantity, and utilize connecting pin to make connecting plate follow the connecting ring combination of connecting rod.
3, multiple compressor according to claim 1 is characterized in that, connects the inner and outer circumferential surfaces of above-mentioned connecting sleeve and forms quantity and lack one pommel linkage part than connecting rod, and the pin that inserts the connecting rod front end connects the pommel; The inner and outer circumferential surfaces that the connects connecting sleeve portion that forms a fixed connection inserts the fixed connecting rod of a certain connecting rod front end, and connecting rod and connecting sleeve are moved together.
4, multiple compressor according to claim 3 is characterized in that, forms the pin connection pommel and the anterior pommel of the fixed connecting rod mounting groove of installing connecting rods around the cam pin outer circumferential face of bent axle.
5, multiple compressor according to claim 3 is characterized in that, at least one forms the inner face corresponding shape of following fixedly connected portion fixed connecting rod, can be fixedly connected inner not moving.
6, multiple compressor according to claim 1 is characterized in that, the outer circumferential face opening of connecting sleeve and form quantity with the identical pommel linkage part of connecting rod, and the pin that inserts the connecting rod front end connects the pommel; The bottom that pin connects the pommel utilizes the pommel supporting pin of lateral direction penetrating pommel linkage part to be supported in the linkage part of pommel.
7, multiple compressor according to claim 6 is characterized in that, the pin of a certain connecting rod connects the pommel and is combined on the connecting sleeve, and motion together.
According to the described multiple compressor of claim 3 to 7, it is characterized in that 8, the pommel linkage part on the connecting sleeve forms with a underpart opening of fixedlying connected respectively to connecting sleeve.
9, multiple compressor according to claim 1 is characterized in that, the promising rocking bar that prevents that connecting sleeve breaks away from is away installed in the upper end that connects cam pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100726772A CN100572806C (en) | 2004-11-05 | 2004-11-05 | Multiple compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100726772A CN100572806C (en) | 2004-11-05 | 2004-11-05 | Multiple compressor |
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| Publication Number | Publication Date |
|---|---|
| CN1769675A true CN1769675A (en) | 2006-05-10 |
| CN100572806C CN100572806C (en) | 2009-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100726772A Expired - Fee Related CN100572806C (en) | 2004-11-05 | 2004-11-05 | Multiple compressor |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953092A (en) * | 2018-07-16 | 2018-12-07 | 江苏鑫电子商务有限公司 | A kind of portable oxygen concentrator |
| CN114396370A (en) * | 2022-01-30 | 2022-04-26 | 嵊州市玖和机电有限公司 | Miniature air pump |
-
2004
- 2004-11-05 CN CNB2004100726772A patent/CN100572806C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953092A (en) * | 2018-07-16 | 2018-12-07 | 江苏鑫电子商务有限公司 | A kind of portable oxygen concentrator |
| CN114396370A (en) * | 2022-01-30 | 2022-04-26 | 嵊州市玖和机电有限公司 | Miniature air pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100572806C (en) | 2009-12-23 |
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Owner name: TAIZHOU LG ELECTRONICS FREEZER CO., LTD. Free format text: FORMER OWNER: LG ELECTRONICS ( TIANJIN ) ELECTRICAL APPLIANCES CO., LTD. Effective date: 20091225 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20091225 Address after: No. 2 Yingbin Road, Taizhou Economic Development Zone, Jiangsu Patentee after: Taizhou LG Electronics Refrigerator Co., Ltd. Address before: Beichen District, Tianjin Xing Lake Road Patentee before: Lejin Electronic and Electric Appliance Co., Ltd. (Tianjin) |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091223 Termination date: 20111105 |