CN1769678A - Exhaust system of hermetic multiple compressor - Google Patents
Exhaust system of hermetic multiple compressor Download PDFInfo
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- CN1769678A CN1769678A CN 200410072680 CN200410072680A CN1769678A CN 1769678 A CN1769678 A CN 1769678A CN 200410072680 CN200410072680 CN 200410072680 CN 200410072680 A CN200410072680 A CN 200410072680A CN 1769678 A CN1769678 A CN 1769678A
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Abstract
The invention discloses a drainage system of multiple compressors, which consists of motor part to supply activation force and several compressor parts in the sealing container, wherein the compressor contains crank, several cylinders and drainage silencer; the crank is set on the frame rotatably in the sealing container, which contains eccentric pin corresponding to the rotary central eccentricity; several cylinders are set on the rack with the same rotary center as the crank; the piston is set in the compression chamber, which compresses the working fluid; the drainage silencer connects at least two compression chambers of several cylinders, which reduces the noise of compressed working fluid. The invention possesses large capacity and low drainage fluctuation.
Description
Technical field
The present invention relates to a kind of compressor, more particularly, is the discharge system of the multiple compressor of the relevant pressing chamber that is formed with several compression working fluids.
Background technique
Fig. 1 is the sectional drawing according to the hermetic compressor electricity formation of prior art.As shown in the figure, seal container 1 is to be made of upper container 1t and bottom container 1b, forms confined space in inside.At the inside of above-mentioned seal container 1 mounting bracket 2.The various formation accessories of compressor are installed on support 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 above-mentioned support 2 to compressor.
Above-mentioned mechanism portion 3 by be fixed on the support 2 stator 4 and and stator 4 between electromagnetic force interact under rotor rotated 5 constitute.Rotor 5 forms the certain clearance rotation between the central authorities of stator 4 and stator.
Above-mentioned compressor structure portion 7 is equipped with the bent axle 8 of the driving force that transmits mechanism portion 3.Bent axle 8 connects the central authorities of support 2, rotatably is supported on the support 2.Be equipped with in the upper end of bent axle 8 cam pin 8 to the rotating center off-centre of bent axle 8 '.
Be equipped with the cylinder 9 that inside is formed with pressing chamber 9 ' at support 2.Working fluid is in 9 li compressions of above-mentioned pressing chamber.For this reason, piston 10 is installed in above-mentioned pressing chamber 9 '.Above-mentioned piston 10 is connected by the cam pin 8 ' of connecting rod 11 and above-mentioned bent axle 8.Connecting rod 11 is converted to rotatablely moving of bent axle 8 straight reciprocating motion of piston 10.
In addition, for Control work fluid inflow/outflow pressing chamber 9 ', valve system 12 is installed at the pressing chamber 9 ' front end of cylinder 9.Connect the exhaust silencer 13 of eliminating the compression working fluid noise on the valve system 12.
But, there is following shortcoming in the hermetic compressor of above-mentioned prior art: in the compressor in the past, cylinder 9 mind-set one lateral deviation from support 2 that is formed with pressing chamber 9 ' is formed centrally, especially, piston 10 applies the active force of a direction to support 2 when carrying out compression stroke, so produce torque ripple (fluctuation) in mechanism portion, and make support 2 vibrations.Above-mentioned vibrations trigger noise and accessory is collided mutually, accessory sustains damage.
In the prior art, owing to 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, the cam pin 8 ' offset that needs to strengthen the internal diameter of pressing chamber 9 ' or need to increase bent axle 8.But if change design like this, other of compressor constitutes accessory, and also the phase strain is big, so there is the whole volume of compressor to become big shortcoming.
Summary of the invention
The present invention invents for the shortcoming that solves the above-mentioned existence of compressor in the past, and its purpose is, the big compressor of compression volume when providing a kind of volume relatively little.
For achieving the above object, compressor of the present invention is equipped with mechanism portion that driving force is provided and is driven and several compression mechanical parts of compression working fluid by above-mentioned mechanism portion in seal container inside.Compressor includes bent axle, several cylinders and exhaust silencer.Wherein, bent axle is rotatably installed on the support of seal container inside and is driven by mechanism portion, and is equipped with from the cam pin of rotating center off-centre; Above-mentioned several cylinders are rack-mount, and its center is with consistent alignment of rotating center of bent axle, and form the pressing chamber of compression working fluid and the piston that is turned round by the driving force of bent axle 30 in inside; Above-mentioned exhaust silencer is communicated with upper compression chamber with 2 of several cylinders, plays a part to reduce the compression working fluid noise.
The swan-neck that connects the working fluid after noise reduction is carried in the outside of seal container on the above-mentioned exhaust silencer.
The pressing chamber and the exhaust silencer of above-mentioned cylinder are communicated with by communication passage, and communication passage is to connect above-mentioned support to form.
Above-mentioned cylinder is symmetrically formed at the two ends of above-mentioned support, above the support of exhaust silencer between cylinder on the side relevant position.
Multiple compressor of the present invention with above-mentioned formation had both made the volume of compresses machine, and it is big that compression volume also becomes easily, makes degradation advantage under the pulsation of discharging working fluid but also have.
Advantage and good effect: there is following effect in aforesaid multiple compressor discharge of the present invention system.
Among the present invention, the working fluid that 2 pressing chambers are carried is discharged to the outside after accumulating in a discharge chamber.Therefore, the compression volume of compressor increases relatively, but the volume of whole compressor is can the phase strain not big.
In addition, in the present invention, supply with compression working fluid in turn to discharging the chamber, obviously descend from the pulsation of discharging the working fluid in the chamber inflow swan-neck, so use the efficient of the heat-exchange system of compressor obviously to improve from pressing chamber.
Description of drawings
Fig. 1 is the sectional drawing that the hermetic compressor chamber interior of prior art constitutes.
Fig. 2 is the exploded perspective view that multiple compressor embodiment significant points of the present invention constitutes.
Fig. 3 is the flat sectional drawing that the embodiment of the invention constitutes.
Fig. 4 (a, b, c, d) is the operating state figure of diagram embodiment of the invention sequence of operations.
The explanation of the main part mark of accompanying drawing
20: support 22: hub portion [boss]
23: intercommunicating pore 30: bent axle
32: cam pin 33: mounting groove
35: oil duct 36: the pin rod hole
38: pin rod 39: equilibrium block
40: connect cover 41: through hole
43: ball breakthrough part 50,50 ': cylinder
51,51 ': pressing chamber 55,55 ': piston
60,60 ': connecting rod 62: pin connects ball
64: piston connects ball 70: exhaust silencer
71: separate wall body 72: discharge the chamber
72 ': in conjunction with wheel hub 73: communication passage
75: discharge chamber cap 77: swan-neck
Embodiment
Below in conjunction with the discharge system of drawings and Examples detailed description according to hermetic multiple compressor of the present invention.
Fig. 2 is that multiple compressor of the present invention is discharged the exploded perspective view that the system embodiment significant points constitutes, and Fig. 3 is the planimetric map that embodiment of the invention significant points constitutes.
As shown in the figure, support 20 is arranged on the inside of seal container, is the place that the various formation accessories of compressor are installed.Support 20 is generally supported by spring in the inside of seal container.Central lower to support 20 prolongs formation wheel hub [boss] portion 22, and forms the intercommunicating pore 23 of direction perforation support 20 up and down 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 bottom of support 20, and transfer rotates together.Bent axle 30 plays to connecting rod 60, and 60 ' transmits the effect of mechanism portion rotating force.
Upper end at bent axle 30 is equipped with cam pin 32.Cam pin 32 is positioned at from the rotating center eccentric position of bent axle 30 and connecting rod 60,60 ' and connects.Whole outer circumferential face around cam pin 32 forms [ball] mounting groove 33.Mounting groove 33 is the positions that connect ball [ball] 62 for the pin of installing connecting rods 60.
The upper end portion of lateral direction penetrating cam pin 32 forms pin rod [rocker] hole 36.Above-mentioned pin rod hole 36 is the positions of inserting pin rod 38 for fixedly connected cover [cap] 40.The length of pin rod 38 is: its two end part protrude to the outside in pin rod hole 36 separately.
Unbalanced in order to eliminate from the eccentric rotation that takes place of the rotating center of bent axle 30 because of cam pin 32, be equipped with equilibrium block 39 in bent axle 30 upper end portions that cam pin 32 is arranged.Rotating center with bent axle 30 is a benchmark, and equilibrium block 39 is positioned at the opposition side of cam pin 32.
Connect the top that cover 40 is combined in cam pin 32, play a connecting rod 60,60 ' pin and connect ball 62 and be connected effect on the cam pin 32.Form through hole 41 in the central authorities that connect cover 40.The internal diameter of through hole 41 is bigger a little than the external diameter of above-mentioned cam pin 32.
In addition, two ends are equipped with the 1st and the 2nd symmetrical cylinder 50,50 ' separately on support 20.At cylinder 50, each self-forming pressing chamber 51,51 ' of 50 ' inside and at pressing chamber 51,51 ' inside is equipped with the piston 55,55 ' of straight reciprocating motion separately.Certainly, at cylinder 50,50 ' pressing chamber 51,51 ' front end is equipped with valve assembly 56 and cylinder cap [head cover] 57 etc. separately, Control work fluid discrepancy pressing chamber 51,51 '.
Above-mentioned piston 55,55 ' and bent axle 30 are by connecting rod 60, and 60 ' connects.That is, the rotatablely moving of bent axle 30 by connecting rod 60,60 ' is converted to the straight reciprocating motion of piston 55.Connecting rod 60,60 ' is to connect by bag joint [joint] mode with bent axle 30 and piston 55.At connecting rod 60, an end of 60 ' is formed with to utilize to connect and covers the 40 pins connection balls 62 that are connected on the cam pin 32, and the piston that is formed with in order to connect with piston 55,55 ' at the other end connects ball 64.In the illustrated embodiment, piston 55 and connecting rod 60,60 ' are that the mode by spherojoint connects, but needn't necessarily interconnect in such a way, also can connect in other way.
In addition, connection cover 40 and some connecting rods 60 ' interconnect and are integral to best.Connecting rod 60 ' be connected cover 40 and also can form and be connected to integral body by welding manner.As mentioned above, a certain connecting rod 60 ' be connected cover and 40 mutually combine, then prevent to connect cover 40 and in the operation process of compressor, move with the purpose sense of rotation.
On support 20, be equipped with exhaust silencer 70.That is, separate wall body and apply cylindrical shape greatly to top protrusion formation in a side 71 of support 20.Form discharge chamber 72 in the inside of separating wall body 71.The central authorities that discharge chamber 72 protrude be formed with in conjunction with wheel hub 72 '.
In order to make the discharge side of discharging chamber 72 and valve assembly 56 be connected to form communication passage 73.Communication passage 73 is to be communicated with through behind the inside of cylinder 50,50 ' and support 20 and discharge chamber 72.Therefore, at cylinder 50, the working fluid of 51 li compressions of each pressing chamber of 50 ' is transported to discharges 72 li of chambers.
In the upper end of separating wall body 71 the discharge chamber cap 75 that chamber 72 is discharged in sealing is installed.Discharge chamber cap 75 and form semi-spherical shape, and be fastened on above-mentioned after retaining screw 76 its central authorities of perforation in conjunction with on the wheel hub 72 '.And, install and discharge the swan-neck 77 that chamber 72 is communicated with on the above-mentioned discharge chamber cap 75.Swan-neck 77 is for the working fluid of discharging chamber 72 is transported to the compressor outside.
Describe the effect that multiple compressor of the present invention is discharged system below in detail.
The operation of multiple compressor of the present invention as shown in Figure 4.
If the pressing chamber 51 at a certain side cylinder 50 carries out the working fluid compression stroke, discharge stroke at the pressing chamber 51 of opposite side cylinder 50 '.
That is, shown in Fig. 4 a, if the pressing chamber 51 of a certain side cylinder 50 is states that compression stroke finishes, then the pressing chamber 51 ' of opposite side cylinder 50 ' becomes the state of the suction formation end of working fluid.If continue running in this state, carry out the suction stroke of working fluid at the pressing chamber 51 of cylinder 50, carry out the compression stroke of working fluid at the pressing chamber 51 ' of cylinder 50 '.Above-mentioned state is shown in Fig. 4 b.
If bent axle 30 continues rotation, shown in Fig. 4 c, piston 55 is positioned at lower dead center, and cylinder 50 becomes the state of the working fluid suction stroke end that will compress.And piston 55 ' is positioned at top dead center, and cylinder 50 ' becomes the state of having arranged compression working fluid.
Bent axle 30 continues rotation under the state of Fig. 4 d, then proceeds the compression stroke of pressing chamber 51 internal work fluids at cylinder 50, sucks the stroke of the working fluid that will compress in the 2nd cylinder 50 '.
In addition, the working fluid in pressing chamber 51 compressions is transported to 72 li of discharge chambers through valve assembly 56 and communication passage 73.In the present invention, turn around when bent axle 30 whenever revolves, at cylinder 50, each pressing chamber 51 of 50 ' carries out the compression stroke of 1 task fluid.
Therefore, among the present invention, revolving when turning around of bent axle 30 compressed working fluid and supplied to 72 li of above-mentioned discharge chambers in 2 minutes.That is, the pressing chamber 51,51 ' from each cylinder 50,50 ' provides compression working fluid to discharging chamber 72 in turn.
Flow into the working fluid of discharging chamber 72 and be transported to 77 li of above-mentioned swan-necks, reduce noise and pulsation, be transported to the outside of compressor then by swan-neck 77 through discharging chamber 72.
Such the present invention compares with the compressor that only has a pressing chamber 51, and bent axle 30 every rotations once provide 2 times compression working fluid.Thus, compression volume is increased to 2 times at least.
And, supply with compression working fluid to discharging chamber 72 in turn from each pressing chamber 51, so pulsation descends relatively.Follow structure in the past to compare, this is because supply with 2 times working fluid at one time.
In addition, among the present invention, take on from the decrease of noise functions of the working fluid of 2 pressing chambers, 51 conveyings, but,, can reduce noise so the mobile of working fluid has not a particle of in a jumble owing to supply with working fluid in turn from pressing chamber 51 with an exhaust silencer 70.
Scope of the present invention does not limit in an embodiment, but will define with the content of putting down in writing in the request scope, and can produce the various deformation example within the scope of authority put down in writing in the request scope of those of ordinary skill in the art.
Claims (4)
1. the discharge system of a hermetic multiple compressor, be equipped with mechanism portion that driving force is provided in seal container inside and driven and several compression mechanical parts of compression working fluid by mechanism portion, it is characterized in that compressor includes bent axle, several cylinders and exhaust silencer; Bent axle is rotatably installed on the support of seal container inside and is driven by mechanism portion, and is equipped with from the cam pin of rotating center off-centre; Several cylinders are rack-mount, and its center is with consistent alignment of rotating center of bent axle, and form the pressing chamber of compression working fluid in inside and be equipped with the piston that is rotated by the driving force of bent axle 30 in inside; Exhaust silencer is communicated with upper compression chamber with 2 of several cylinders, plays a part to reduce the compression working fluid noise.
2. the discharge system of hermetic multiple compressor according to claim 1 is characterized in that, connects the swan-neck of the working fluid after noise reduction is carried in the outside of seal container on the above-mentioned exhaust silencer.
3. the discharge system of hermetic multiple compressor according to claim 1 and 2 is characterized in that, the pressing chamber of above-mentioned cylinder and above-mentioned exhaust silencer are communicated with by communication passage, and above-mentioned communication passage is to connect above-mentioned support to form.
4. the discharge system of hermetic multiple compressor according to claim 1 is characterized in that, above-mentioned cylinder is symmetrically formed at the two ends of support, above the support of above-mentioned exhaust silencer between above-mentioned cylinder on the side relevant position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410072680 CN1769678A (en) | 2004-11-05 | 2004-11-05 | Exhaust system of hermetic multiple compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410072680 CN1769678A (en) | 2004-11-05 | 2004-11-05 | Exhaust system of hermetic multiple compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1769678A true CN1769678A (en) | 2006-05-10 |
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ID=36751169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200410072680 Pending CN1769678A (en) | 2004-11-05 | 2004-11-05 | Exhaust system of hermetic multiple compressor |
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|---|---|
| CN (1) | CN1769678A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653975A (en) * | 2019-02-19 | 2019-04-19 | 尹建 | A kind of reciprocating engine lever Variable plunger pump power take-off mechanism |
-
2004
- 2004-11-05 CN CN 200410072680 patent/CN1769678A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653975A (en) * | 2019-02-19 | 2019-04-19 | 尹建 | A kind of reciprocating engine lever Variable plunger pump power take-off mechanism |
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