CN1896542A - Discharging structure of reciprocating rotary compressor - Google Patents
Discharging structure of reciprocating rotary compressor Download PDFInfo
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- CN1896542A CN1896542A CN 200510083990 CN200510083990A CN1896542A CN 1896542 A CN1896542 A CN 1896542A CN 200510083990 CN200510083990 CN 200510083990 CN 200510083990 A CN200510083990 A CN 200510083990A CN 1896542 A CN1896542 A CN 1896542A
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Abstract
This invention is a kind of air discharging structure in twin rotating compressor. It includes: two compressor parts which independently absorb, compress and discharge refrigerant; intermediate bearing which separates the compressor parts at both sides; air discharging opening at one side, at least of compressor parts; air passage which connects to air discharging opening and guides the refrigerants into the outer casing. Thus, this invention can simplify the second air cylinder and the assistant bearing connecting to the second air cylinder. It reduces noises and the volume of compressor.
Description
Technical field
The present invention relates to a kind of complex rotary compressor, particularly relate to a kind of discharging structure { GAS DISCHARGESTRUCTURE FOR TWIN ROTARY COMPRESSOR} that guides the complex rotary compressor of the refrigeration medium that spue from each compression position swimmingly.
Background technique
In general, compressor is that the mechanicalness energy is converted to the compression energy that belongs to the compressibility working fluid.Usually can be divided into reciprocal compressor, scroll compressor, centrifugal compressor and vane compressor etc.Rotary compressor mainly is used in the middle of the air mediation equipment as air-conditioning.Recently, the compressor that has a plurality of compression structures that a kind of symmetry that makes the centrifugal position of rotating shaft alleviates eccentric load has been proposed, just so-called complex rotary compressor.
Fig. 1 has provided the existing complex rotary compressor profile diagram of an example, and Fig. 2 has provided the sectional view of the refrigerant condenser of existing complex rotary compressor.
As shown in the figure, existing complex rotary compressor is made up of following position: the shell 1 of 2 refrigeration medium suction pipe SP1, SP2 and refrigeration medium discharge pipe DP connection; The electric device portion 2 that is made of stator 2a and rotor 2b of turning power takes place in enabling of installing above shell 1; After the turning power that produces from above-mentioned electric device portion 2 that above-below direction below the shell 1 is installed receives by rotating shaft 3, medium each self-compressed the 1st compressor section 10 and the 2nd compressor section 20 of freezing.
And,, connect and install a refrigerant condenser 30 of separating liquid refrigeration medium from suck the refrigeration medium in the ingress of each compressor section 10,20.The outlet of refrigerant condenser 30 is connected respectively to the suction port 11a of the 1st cylinder 11 that will be described below and the suction port 21a of the 2nd cylinder 21.
The 1st compressor section 10 is an annular, its structure by: at inner the 1st cylinder 11 that is provided with of shell 1; Cover the 1st cylinder and together form the 1st inner space V1 in both sides about in the of 11, main bearing 12 and the middle (center) bearing 13 of above-mentioned rotating shaft to the radial direction support; Be combined at centrifugal position, rotating shaft 3 tops rotating, at the 1st rolling piston 14 of the 1st inner space V1 of the 1st cylinder 11 rotation compression refrigeration medium; For the outer surface of crimping the 1st rolling piston 14, be combined into movably at the 1st cylinder 11 to radial direction, above-mentioned the 1st cylinder 11 the 1st inner space v1 is divided into the 1st blade of the 1st suction chamber and the 1st pressing chamber respectively; Near the 1st discharge opening 12a front end main bearing 12 central authorities is combined into and can opens and closes, and can regulate and control the 1st discharge valve 15 that refrigeration medium gas spues from the 1st pressing chamber; Utilize the 1st discharge valve, fixing and be arranged on the 1st silencing apparatus 16 above the main bearing and wait and form.And, in the 1st silencing apparatus 16, there is the refrigeration medium gas that spues from each cylinder 11,21 to be discharged to the gas via-hole 16a of shell 1 inner space.
The 2nd cylinder 21 that the 2nd compressor section 20 comprises ringwise and is provided with at inner the 1st cylinder 11 downsides of shell 1; Cover the both sides up and down of the 2nd cylinder 21, thereby together form the 2nd inner space v2, and support the middle (center) bearing 13 and the auxiliary bearing 22 of above-mentioned rotating shaft 3 at radial direction and axle direction; Be combined in the centrifugal portion of rotating shaft 3 downsides by rotatable mode, and rotate the 2nd rolling piston 23 of compression refrigeration medium at the 2nd inner space v2 of the 2nd cylinder 21; For the outer surface of crimping the 2nd rolling piston 23, be combined into movably at the 2nd cylinder 21 to radial direction, the 2nd inner space v2 of above-mentioned the 2nd cylinder 21 is divided into the 2nd blade of the 2nd suction chamber and the 2nd pressing chamber respectively; Near the 2nd discharge opening 22a front end auxiliary bearing 22 central authorities is combined into and can opens and closes, and can regulate and control the 2nd discharge valve 24 that refrigeration medium gas spues; Utilize the 2nd discharge valve 24, the 2nd silencing apparatus 25 that is provided with in auxiliary bearing 22 bottom surfaces waits to be formed.
At this, be discharged to refrigeration media guidance to the 1 silencing apparatus 16 of the 2nd silencing apparatus 25 for handle, on auxiliary bearing the 25, the 2nd cylinder 21, middle (center) bearing the 13, the 1st cylinder 11, main bearing 12 etc., be provided with 1st, 2,3,4,5 pore 22bs, 21b, 13a, 11b, the 12b consistent with axle direction.
The working principle of above-mentioned existing complex rotary compressor is as follows:
Both, after inserting power supply on the stator 2a of electric device portion 2, rotor 2b rotates, and when rotating shaft 3 and rotor 2b rotate together, the commentaries on classics power of electric device portion 2 is passed to the 1st compressor section 10 and the 2nd compressor section 20, make each rolling piston 14,23 at separately cylinder 11, eccentric rotation in 21, like this, the refrigeration medium are inhaled into each suction space respectively by the 1st refrigeration medium suction pipe SP1 and the 2nd refrigeration medium suction pipe SP2 that is connected the 1st cylinder 11 and the 2nd cylinder 21, after being compressed to certain pressure again, by outlet 12a separately, 22a is discharged to a series of processes repeatedly of enclosure respectively.
At this moment, the refrigeration medium gas that spues from the 1st cylinder 11 through the 1st discharge valve 15 after 16 noise reductions of the 1st silencing apparatus, be discharged to shell 1 inner space, on the contrary, the refrigeration medium gas that spues from the 2nd cylinder 21 through the 2nd discharge valve 24 after the 2nd silencing apparatus 25 is by noise reduction, successively by the 1st, 2,3,4,5 pore 22b, 21b, 13a, 11b, after 12b enters the 1st silencing apparatus 16 and subdues noise, be discharged to shell 1 inner space again.
But,,, also to the 2nd silencing apparatus 25 also to be set in the lower end of auxiliary bearing 22 forming outside pore 22b, the 21b on auxiliary bearing 22 and the 2nd cylinder 21 for the existing complex rotary compressor as above-mentioned.Each pore 22b of the above simultaneously, 21b, 13a, 11b, 12b forms with identical size, so the gas that spues that can not reduce in the 2nd silencing apparatus that spues moves to the noise that produces in the process of the 1st silencing apparatus 16.Therefore the problem that has the increase of Master Cost and the height part that compressor also will strengthen the 2nd silencing apparatus 25.
This shows that above-mentioned existing complex rotary compressor obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In order to solve the problem that complex rotary compressor exists, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, and this obviously is the problem that the anxious desire of relevant dealer solves.
Because the defective that above-mentioned existing complex rotary compressor exists, the inventor is based on being engaged in this type of product specification manufacturing abundant for many years practical experience and professional knowledge, and the utilization of cooperation scientific principle, actively studied innovation, discharging structure in the hope of the complex rotary compressor of founding a kind of new structure, can improve general existing complex rotary compressor, make it have more practicability.Through constantly research, design, and after studying sample and improvement repeatedly, create the present invention who has practical value finally.
Summary of the invention
The objective of the invention is to, overcome the defective that existing complex rotary compressor exists, and a kind of discharging structure of complex rotary compressor of new structure is provided, technical problem to be solved is to make it that shape that reduces the 2nd cylinder and auxiliary bearing is provided, and can reduce the compressor volume simultaneously.
Another object of the present invention is to, overcome the defective that existing complex rotary compressor exists, and provide a kind of discharging structure of complex rotary compressor of new structure, technical problem to be solved is to make its noise reduction structure that spues that a kind of complex rotary compressor is provided, and the gas that spues that reduces in the 2nd silencing apparatus is directed to the noise that is produced in the process of the 1st silencing apparatus.
The object of the invention to solve the technical problems realizes by the following technical solutions.The discharging structure of a kind of complex rotary compressor that proposes according to the present invention is characterized in that: have 2 compressor sections that independently suck, compress and spue the refrigeration medium; The discharge opening of compressor section is set on the bearing of first compressor section, the second compressor section both sides respectively; Be connected to form the gas channel that the refrigeration media guidance that compressor is spued arrives enclosure with pore.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
The discharging structure of aforesaid complex rotary compressor wherein in the middle (center) bearing inside of distinguishing first compressor section and the second compressor section both sides, has at least a side will form the above-mentioned discharge opening of compressor section.
The discharging structure of aforesaid complex rotary compressor wherein for making middle (center) bearing in mutual opposing side, has at least the above-mentioned gas channel of one side to be formed by lamination.
The discharging structure of aforesaid complex rotary compressor wherein for making gas channel be directed to shell by the contract cylinder and the bearing of device portion of a certain side pressure, is provided with pore respectively on above-mentioned cylinder and bearing, pore is linked to each other with gas channel.
The discharging structure of aforesaid complex rotary compressor wherein can also be respectively holds a side with the bottom auxiliary bearing of second compressor section in the upper spindle of first compressor section, forms the discharge opening of compressor section.
The discharging structure of aforesaid complex rotary compressor, wherein said discharge opening is connected with the pore that is provided with on above-mentioned cylinder and bearing respectively and forms a gas channel, be communicated with above-mentioned first compressor section and second compressor section, the refrigerant that spues in second compressor section can be directed to discharge opening one side of first compressor section and it is spued together, and the internal diameter of the different phase of above-mentioned pore is had nothing in common with each other.
The discharging structure of aforesaid complex rotary compressor wherein forms plural at least pore with identical diameter.
The discharging structure of aforesaid complex rotary compressor wherein uses the diameter that has nothing in common with each other to form all pores.
The discharging structure of aforesaid complex rotary compressor wherein makes the center difference of each pore.
The discharging structure of aforesaid complex rotary compressor wherein makes the center of each pore identical.
The discharging structure of aforesaid complex rotary compressor is in order to subdue the refrigeration media noise that spues from the outlet of this pore, in above-mentioned bearing fixed outside and silencing apparatus is set.
By technique scheme, make the discharging structure of complex rotary compressor of the present invention have tangible technological progress, the present invention has many advantages at least:
Discharging structure according to complex rotary compressor of the present invention is on the rotary compressor that has two compressor sections, the refrigeration medium that spue from the 2nd compressor section are passed through middle (center) bearing, the 1st cylinder and main bearing, directly be directed on the silencing apparatus of main bearing, therefore not only can simplify the 2nd cylinder and the auxiliary bearing that is combined in the 2nd cylinder, also pass through between the 1st cylinder and the 2nd cylinder because of the refrigeration medium gas that spues, can reduce the noise that spues, and the volume of compresses machine.
In sum, the discharging structure of the complex rotary compressor of special construction of the present invention, it has above-mentioned many advantages and use value, and in like product, do not see have similar structural design to publish or use and really genus innovation, no matter it all has bigger improvement on product structure or function, have large improvement technically, and produced handy and practical effect, and more existing complex rotary compressor has the multinomial effect of enhancement, thereby be suitable for practicality more, and have the extensive value of industry, really be a novelty, progressive, practical new design.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 shows the sectional view of the existing complex rotary compressor of an example;
Fig. 2 shows the sectional view of a routine complex rotary compressor of the present invention;
Fig. 3 shows the oblique drawing that decomposes middle (center) bearing on complex rotary compressor of the present invention;
Fig. 4 a and Fig. 4 b show in the complex rotary compressor of the present invention the skeleton diagram of the refrigeration media procedure that spues in each compressor section;
Fig. 5 carries out illustrated sectional view to another embodiment who is suitable for complex rotary compressor of the present invention;
Fig. 6 is in being suitable for complex rotary compressor of the present invention, to the illustrated sectional view that carries out of refrigerant discharging structure;
Fig. 7 and Fig. 8 are in using complex rotary compressor of the present invention, and the different distortion embodiment of refrigerant discharging structure is carried out illustrated sectional view.
120: the 2 compressor sections of 110: the 1 compressor sections
121: the 2 cylinders of 111: the 1 cylinders
111a: suction port 111b: the 4th pore
112: main bearing 112a: the 5th pore
21b: the 2nd pore 122b: the 1st pore
120: the 2 compressor sections of 115: the 1 discharge valves
121: the 2 cylinder 121a: suction port
122: 124: the 2 discharge valves of auxiliary bearing
130: 131: the 1 middle (center) bearings of middle (center) bearing
131a: the 1st hole 131b that spues: the gas channel of the 1st middle (center) bearing
113a, 131c: 132: the 2 middle (center) bearings of the 3rd pore
132a: the 2nd hole 132b that spues: the gas channel of the 2nd middle (center) bearing
F: gas channel V1, V2: the 1st, 2 inner space
SP1, SP2: the 1st, 2 refrigeration medium sucking pipe.116: the 1 silencing apparatuss
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, its embodiment of discharging structure, structure, feature and the effect thereof of the complex rotary compressor that foundation the present invention is proposed, describe in detail as after.
Fig. 2 is the sectional view that provides the present invention's one routine complex rotary compressor, Fig. 3 is the exploded perspective view that provides the middle (center) bearing of complex rotary compressor of the present invention, and Fig. 4 a and Fig. 4 b are the spue skeleton diagrams of refrigeration media procedure of each compressor section of providing complex rotary compressor of the present invention.
Like this, as shown in the figure, complex rotary compressor according to the present invention is by the electric device portion 2 that can produce turning power that is arranged at shell 1 top; Be arranged on below the electric device portion 2 about, the turning power that produces from electric device portion 2 by rotating shaft 3 receptions after the 1st compressor section 110 and the 2nd compressor section 120 of compression refrigeration medium separately; Being connected the 1st refrigeration medium suction pipe SP1 of the 1st compressor section 110 and the 2nd compressor section 120 each suction port 111a, 121a and the structure of the separable gas refrigeration medium on the refrigeration medium suction pipe SP2 and the refrigerant condenser of liquid refrigerating medium etc. forms.
The 1st compressor section 110 comprises ringwise and is arranged on the 1st cylinder 111 of shell 1 inside; About in the of 111 both sides to cover the 1st cylinder, thereby together form the 1st inner space V1, and support the main bearing 112 and the middle (center) bearing 130 of above-mentioned rotating shaft 3 at radial direction; Be combined in the centrifugal portion on rotating shaft 3 tops by rotatable mode, and rotate the 1st rolling piston 114 of compression refrigeration medium at the 1st inner space V1 of the 1st cylinder 111; In order to be crimped on the outer surface of the 1st rolling piston 114, by can to radial direction movably mode be combined in the 1st cylinder 111, and above-mentioned the 1st cylinder 111 the 1st inner space v1 is divided into the 1st blade of the 1st suction chamber and the 1st pressing chamber respectively; Near the 1st discharge opening 131a front end the 1st middle (center) bearing 131 central authorities that is described further below is combined into and can opens and closes, and can regulate and control the 1st discharge valve 115 that refrigeration medium gas spues from the 1st pressing chamber; What be described further below utilizes the 5th pore 112a to be arranged on silencing apparatuss 116 above the main bearing 112 to wait and form.And, on the silencing apparatus 116, have to make the refrigeration medium gas that spues from each cylinder 111,121 be discharged to the vent 116a of shell 1 inner space.
The 2nd compressor section 120 comprises ringwise and is arranged on the 2nd cylinder 121 of shell 1 inner the 1st cylinder 111 downsides; Cover the both sides up and down of the 2nd cylinder 121, and together form the 2nd inner space v2, and support the middle (center) bearing 130 and the auxiliary bearing 122 of above-mentioned rotating shaft 3 at radial direction and axle direction, be combined in the centrifugal portion of rotating shaft 3 downsides by rotatable mode, and rotate the 2nd rolling piston 123 of compression refrigeration medium at the 2nd inner space v2 of the 2nd cylinder 121; In order to be crimped on the outer surface of the 2nd rolling piston 123, by can to radial direction movably mode be combined in the 2nd cylinder 121, and the 2nd inner space v2 of above-mentioned the 2nd cylinder 121 is divided into the 2nd blade of the 2nd suction chamber and the 2nd pressing chamber respectively; Near the 2nd discharge opening 132a front end middle (center) bearing 132 central authorities that is described further below is combined into and can opens and closes, and can regulate and control from spue freeze the 2nd discharge valve 124 of medium gas of the 2nd pressing chamber and wait and form.
At this, as shown in Figures 2 and 3, the middle (center) bearing 130 that is embedded in two compressor sections of differentiation between the 1st compressor section 110 and the 2nd compressor section 120 be by: together form the 1st middle (center) bearing 131 of the 1st inner space V1 with the 1st cylinder 111; Combine closely at the 1st middle (center) bearing 131 and form the gas channel F that is described further below, and form with the 2nd middle (center) bearing 132 that the 2nd cylinder 121 together forms the 1st inner space V1.
Each self-forming the 1st of one side of the 1st middle (center) bearing 131 and the 2nd middle (center) bearing 132 hole 131a and the 2nd hole 132a that spues that spues; Form symmetrical circular arc gas channel F on the opposing side that the middle (center) bearing 131,132 of both sides is in contact with one another; Wherein, terminal the 3rd pore 131c that forms of the gas channel 131b of the 1st middle (center) bearing 131; One side of the 1st cylinder 111 and main bearing 112 forms the 4th pore 111b and the 5th pore 112a that can link above-mentioned the 3rd pore 131c.Also have, the 5th pore 112a is merged in the silencing apparatus inner space, comparatively reasonable.
In addition, in the above-mentioned examples of implementation, all be arranged on the situation of the 1st middle (center) bearing and the 2nd middle (center) bearing, but according to circumstances can also the 2nd hole that spues be set at the 2nd middle (center) bearing although understand the hole that spues, the 1st spue the hole still with the same being arranged on the main bearing in the past.Also have, although understand the situation that fixture is set on discharge valve, but according to circumstances also valve plate can only be set.Because valve plate is alternately opened mutually and mutual collision can limit open amount, so fixture can additionally be set.
The part that the figure neutralization was the same in the past, target is same symbol.
115a that is not illustrated among the figure and 115b are the valve plate and the fixtures of the 1st discharge valve, and 124a and 124b are the valve plate and the fixtures of the 2nd discharge valve.
The discharging structure of aforesaid complex rotary compressor of the present invention produces following effect and effect.
Promptly, after inserting power supply on the stator 2a of electric device portion 2, when rotor 2b and rotating shaft 3 are rotated together, each rolling piston 114,123 of the 1st compressor section 110 and the 2nd compressor section 120 is to each cylinder 111,121 inner space eccentric rotary and after sucking the compression refrigeration medium, a series of processes that alternately spue repeatedly.At this moment, the same as Fig. 4 a with Fig. 4 b, the refrigeration medium that spue from the 1st compressor section 110 and the 2nd compressor section 120 alternately spue by spue hole 131a, the 132a of the 1st middle (center) bearing 131 and the 2nd middle (center) bearing 132 respectively, again through gas channel f in the formation of two middle (center) bearings, 131,132 surface of contact, after entering into silencing apparatus 116 by the 3rd pore 131c, the 4th pore 111b and the 5th pore 112a again, be discharged to shell 1 inner space when being subdued noise.
Like this, the refrigeration medium that spue from the 2nd cylinder directly are discharged to shell by middle (center) bearing, so need not to establish in addition pore on auxiliary bearing or the 2nd cylinder.Therefore, the processing of above-mentioned auxiliary bearing and the 2nd cylinder can be simplified, and, the noise that spues can also be more effectively subdued by the refrigeration medium of middle (center) bearing because of the middle (center) bearing that forms gas channel places between the 1st cylinder and the 2nd cylinder as main body.In addition, on auxiliary bearing because of need not to establish in addition silencing apparatus, when can reduce parts, can also cost saving and reduce the volume of compressor.
In addition, please consult Fig. 5 again another embodiment who is suitable for complex rotary compressor of the present invention is carried out illustrated sectional view; Fig. 6 is in being suitable for complex rotary compressor of the present invention, to the illustrated sectional view that carries out of refrigerant discharging structure; Fig. 7 and Fig. 8 are in using complex rotary compressor of the present invention, and the different distortion embodiment of refrigerant discharging structure is carried out illustrated sectional view.
As shown in the figure, be suitable for complex rotary compressor of the present invention, comprise being installed on shell 1 upside, be used to produce the some machine portion 2 of rotating force; Be installed on the both sides up and down of above-mentioned motor section 2 lower sides, receive the rotating force that transmits by running shaft 3 by above-mentioned motor section 2 generations, and the 1st compressor section 110 and the 2nd compressor section 120 that respectively refrigerant are compressed; Be installed among the 1st refrigerant sucking pipe SP1 and the 2nd refrigerant sucking pipe SP2 of each suction port 111a, the 121a that are connected to the 1st compressor section 110 and the 2nd compressor section 120 refrigerant condenser 30 that the gas coolant in the refrigerant is separated with liquid refrigerants.
The 1st compressor section 110 forms with ring-type, comprises the 1st cylinder 111 that is installed on shell 1 inside; Both sides up and down by covering the 1st cylinder 111 are common to constitute the 1st inner space V1, and the main bearing 112 and the middle (center) bearing 113 that above-mentioned running shaft 3 are supported at radial direction; Be attached to the centrifugal portion of upside of running shaft 3, the 1st rolling piston 114 that when in the 1st inner space V1 of the 1st cylinder 111, rotating refrigerant is compressed in rotatable mode; Be crimped onto the outer circumferential face of the 1st rolling piston 114, and utilize the mode combination that can move along the radial direction of the 1st cylinder 111, the 1st inner space V1 of above-mentioned the 1st cylinder 111 is divided into the 1st air throttle (not marking among the figure) of the 1st suction chamber and the 1st pressing chamber; Be attached to the front end that is installed on the 1st discharge opening 131a in the main bearing 112 in mode that can switch, the 1st discharge valve 115 that the cold media air that spues in the 1st pressing chamber is regulated, hold the 3rd pore 113a of follow-up explanation, and be fixedly mounted on the silencing apparatus 116 of main bearing 112 upper sides.Wherein in above-mentioned silencing apparatus 116, have and to make the cold media air that spues in each cylinder 111,121 be discharged to the vent 116a of shell 1 inner space.
The 2nd compressor section 120 forms with ring-type, comprises the 2nd cylinder 121 of the 1st cylinder 111 belows that are installed on shell 1 inside; Both sides up and down by covering the 2nd cylinder 121 are common to constitute the 2nd inner space V2, and the middle (center) bearing 113 and the auxiliary bearing 122 that above-mentioned running shaft 3 are supported at radial direction and axle direction; Be attached to the centrifugal portion of downside of running shaft 3, the 2nd rolling piston 123 that when in the 2nd inner space V2 of the 2nd cylinder 121, rotating refrigerant is compressed in rotatable mode; Be crimped onto the outer circumferential face of the 2nd rolling piston 123, and utilize the mode combination that can move along the radial direction of the 2nd cylinder 121, the 2nd inner space V2 of above-mentioned the 2nd cylinder 121 is divided into the 2nd air throttle (not marking among the figure) of the 2nd suction chamber and the 2nd pressing chamber; Be attached to the 2nd discharge opening 132a front end that is installed in the auxiliary bearing 122 in mode that can switch, the 2nd discharge valve 124 that the cold media air that spues in the 2nd pressing chamber is regulated; Hold the 2nd discharge valve 124, and be fixedly mounted on the 2nd silencing apparatus 125 of auxiliary bearing 122 bottom surfaces.
Wherein, for the refrigerant of the inner space of the 2nd silencing apparatus 125 that will spue is directed to the 1st silencing apparatus 116, at auxiliary bearing the 122, the 2nd cylinder 121, middle (center) bearing the 130, the 1st cylinder 111, main bearing 112 etc., be respectively formed at the 1st, the 2nd, the 3rd, the 4th, the 5th pore 122b, 121b, 113a, 111b, the 112a of axle direction unanimity.Simultaneously, the internal diameter of the different phase by making above-mentioned each pore 122b, 121b, 113a, 111b, 112a has nothing in common with each other, and makes it have a kind of silencing apparatus function and is advisable.For example, as shown in Figure 6, make the internal diameter of the 1st pore 122b less, the internal diameter that makes the 2nd pore 121b is greater than the 1st pore 122b, the internal diameter that makes the 3rd pore 113a is less than the 2nd pore 121b, the internal diameter that makes the 4th pore 11b is greater than the 3rd pore 113a, and the internal diameter that makes the 5th pore is less than the 4th pore 111b, thereby makes the 2nd pore 121b and the 4th pore 111b form the noise that resonant chamber reduces its gas that spues with this.
In addition, as shown in Figure 6, can utilize identical diameter to form the 1st pore 122b, the 3rd pore 113a and the 5th pore 112a etc., and utilize identical diameter to form the 2nd pore 121b and the 4th pore 111b.But, can also utilize the execution that has nothing in common with each other to form each pore 122b, 121b, 113a, 111b, 112a as shown in Figure 7 according to its needs.
In addition, as shown in Figure 6, can make the center of each pore 122b, 121b, 113a, 111b, 112a identical, thereby improve the flowing velocity of refrigerant.But according to its needs, can also as shown in Figure 8 the center of each pore 122b, 121b, 113a, 111b, 112a be had nothing in common with each other, thereby improve the sympathetic response effect of refrigerant.
Part identical with existing rotary compressor in the accompanying drawing will be used identical symbol.
The gas discharging structure of aforesaid use complex rotary compressor of the present invention has effect as described below and effect.
When to the stator 2a of motor section loading power, rotor 2b is with running shaft 3 rotations, each rotary-piston 114,123 in the 1st compressor section 110 and the 2nd compressor section 120 carries out centrifugal rotation in cylinder 111,121 inner spaces separately, and sucking a series of process that alternately spues after cold media air and the compression will carry out repeatedly.
At this moment, the cold media air that the 1st cylinder 111 spues will be by the 1st discharge valve 115, and is reduced the inner space of the shell 1 that spues after the noises by the 1st silencing apparatus 116.And the cold media air that spues in the 2nd cylinder 121 will be by the 2nd discharge valve 124, and, reduce the inner space that noises are discharged to shell 1 afterwards by above-mentioned the 1st silencing apparatus 116 again by flowing into the 1st silencing apparatus with this by the 1st, the 2nd, the 3rd, the 4th, the 5th pore 122b, 121b, 113a, 111b, 112a after the 2nd silencing apparatus 125 reduction noises.At this moment, by making the 1st, the 2nd, the 3rd, the 4th, the 5th pore 122b, 121b, 113a, 111b, the diameter of 112a has nothing in common with each other, especially the internal diameter by making the 2nd pore 121b that is arranged in the 2nd cylinder 121 and the 1st cylinder 111 and the 4th pore 111b is greater than other pore 122b, 113b, 112a, make internal diameter greater than adjacent pore (122b, 113a), (113a, two cylinders 111 112a), 121 pore 111b, 121b plays a kind of resonant chamber effect, move to the noise that spues that produces the process of the 1st silencing apparatus 116 thereby reduce refrigerant from the 2nd silencing apparatus 125, and reduce the noise of compressor with this.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (11)
1, a kind of discharging structure of complex rotary compressor is characterized in that:
Have 2 compressor sections that independently suck, compress and spue the refrigeration medium;
The discharge opening of compressor section is set on the bearing of first compressor section, the second compressor section both sides respectively;
Be connected to form the gas channel that the refrigeration media guidance that compressor is spued arrives enclosure with pore.
2, the discharging structure of complex rotary compressor according to claim 1 is characterized in that wherein having at least a side will form the above-mentioned discharge opening of compressor section in the middle (center) bearing inside of distinguishing first compressor section and the second compressor section both sides.
3, the discharging structure of complex rotary compressor according to claim 2 is characterized in that wherein having at least the above-mentioned gas channel of one side to be formed by lamination for making middle (center) bearing in opposing side mutually.
4, the discharging structure of complex rotary compressor according to claim 1, it is characterized in that wherein for making gas channel be directed to shell by the contract cylinder and the bearing of device portion of a certain side pressure, on above-mentioned cylinder and bearing, pore is set respectively, pore is linked to each other with gas channel.
5, the discharging structure of complex rotary compressor according to claim 1 is characterized in that wherein can also be respectively holding a side with the bottom auxiliary bearing of second compressor section in the upper spindle of first compressor section, forms the discharge opening of compressor section.
6, the discharging structure of complex rotary compressor according to claim 5, it is characterized in that wherein said discharge opening is connected with the pore that is provided with on above-mentioned cylinder and bearing respectively forms a gas channel, be communicated with above-mentioned first compressor section and second compressor section, the refrigerant that spues in second compressor section can be directed to discharge opening one side of first compressor section and it is spued together, and the internal diameter of the different phase of above-mentioned pore is had nothing in common with each other.
7, the discharging structure of a kind of complex rotary compressor according to claim 6 is characterized in that wherein forming plural at least pore with identical diameter.
8, the discharging structure of a kind of complex rotary compressor according to claim 6 is characterized in that wherein using the diameter that has nothing in common with each other to form all pores.
9, the discharging structure of a kind of complex rotary compressor according to claim 6 is characterized in that wherein making the center of each pore identical.
10, the discharging structure of a kind of complex rotary compressor according to claim 6 is characterized in that making the center difference of each pore.
11, the discharging structure of a kind of complex rotary compressor according to claim 1 is characterized in that the refrigeration media noise that spues from the outlet of this pore in order to subdue, in above-mentioned bearing fixed outside and silencing apparatus is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510083990 CN1896542A (en) | 2005-07-15 | 2005-07-15 | Discharging structure of reciprocating rotary compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510083990 CN1896542A (en) | 2005-07-15 | 2005-07-15 | Discharging structure of reciprocating rotary compressor |
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| Publication Number | Publication Date |
|---|---|
| CN1896542A true CN1896542A (en) | 2007-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200510083990 Pending CN1896542A (en) | 2005-07-15 | 2005-07-15 | Discharging structure of reciprocating rotary compressor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009062366A1 (en) * | 2007-11-17 | 2009-05-22 | Guang Dong Mei Zhi Refrigeration Equipment Co., Ltd | A discharge valve device of a rotary compressor |
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2005
- 2005-07-15 CN CN 200510083990 patent/CN1896542A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009062366A1 (en) * | 2007-11-17 | 2009-05-22 | Guang Dong Mei Zhi Refrigeration Equipment Co., Ltd | A discharge valve device of a rotary compressor |
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Open date: 20070117 |