CN2895805Y - Combined silencer fitted on two-stage compressor - Google Patents

Combined silencer fitted on two-stage compressor Download PDF

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Publication number
CN2895805Y
CN2895805Y CNU2006200412341U CN200620041234U CN2895805Y CN 2895805 Y CN2895805 Y CN 2895805Y CN U2006200412341 U CNU2006200412341 U CN U2006200412341U CN 200620041234 U CN200620041234 U CN 200620041234U CN 2895805 Y CN2895805 Y CN 2895805Y
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CN
China
Prior art keywords
baffler
cylinder cap
end surface
silencing cavity
cylinder cover
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Expired - Lifetime
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CNU2006200412341U
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Chinese (zh)
Inventor
唐亚兵
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Shanghai Hitachi Household Appliance Co Ltd
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Shanghai Hitachi Household Appliance Co Ltd
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Priority to CNU2006200412341U priority Critical patent/CN2895805Y/en
Application granted granted Critical
Publication of CN2895805Y publication Critical patent/CN2895805Y/en
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Abstract

The utility model relates to a combined silencer fitted on two-stage compressor which comprises a cylinder cover, a silencer, seal ring and a plurality of bolts; is characterized in that the axis diameter and the head face matched with the cylinder cover or silencer are provided with the circular groove; the silencer uses the sheet metal material tension extrusion molding integration-type or embedded-type provided with the partition board; the silencer shows the step-shaped which inner hole is sleeved outside the axis diameter of the cylinder cover, which lower end surface is paved with the upper end surface of the cylinder cover; the seal rings are respectively arranged in the inner hole circle-groove of the silencer or the axis diameter circle-groove of the cylinder cover, the lower end surface circle-groove of the silencer or upper end surface circle-groove of the cylinder cover, the cylinder cover is connected with the silencer by a plurality of bolts, through the O-type seal ring sealing function, a plurality of sealing silence cavities are formed between the step-shaped inner wall of silencer and upper end surface of the corresponding cylinder cover. The utility model can enhance the assembly speed of the compressor, improve the compressor noise and reduce the cost of the compressor.

Description

Be arranged on the combined muffler on the two stage compressor
Technical field
The utility model relates to a kind of baffler that is arranged on the rotary compressor, relates in particular to a kind of combined muffler on the two stage compressor of being arranged on that is applicable in air conditioner, refrigerating machine and the heat pump water heater.
Background technique
See also shown in Figure 1ly, this is the pump housing longitudinal profile schematic representation that the prior art two stage compressor is provided with baffler.The structure of prior art two stage compressor is to comprise: the housing 9 of compressor, be provided with axle 6 in the housing 9 of compressor, be nested with baffler 2, upper cylinder cover 1, upper cylinder 3, intermediate clapboard 4, lower cylinder 7, following cylinder cap 5, bottom silencer 8 on this axle 6 successively, last baffler 2 is connected by bolt 12 with upper cylinder cover 1, and bottom silencer 8 is connected by bolt 12 with following cylinder cap 5.Be respectively equipped with blowhole 1a and air outlet hole 1b in upper cylinder cover 1 both sides, between the axle journal of upper cylinder cover 1 and the last baffler 2 seal ring 10 be set, between the last plane of upper cylinder cover 1 and the last baffler 2 gasket seal 11 is set.
The working principle of prior art two stage compressor is: lower cylinder 7 is first order compression, upper cylinder 3 is second level compression, after the air-breathing compression of the liquid-storage container of lower cylinder 7 outside housing 9, exhaust enters into bottom silencer 8, and be discharged in the compressor housing 9, after outlet pipe from the compressor housing 9 is discharged and is changed upper cylinder 3 over to and carry out second level compression via outside copper pipe, enter in the cavity that upper cylinder cover and last baffler 2 surround, after carrying out noise reduction and handling again by the air outlet hole 1b on the upper cylinder cover 1, arrive in the outlet pipe of compressor, enter into systemic circulation at last.
The last baffler of the two stage compressor of prior art, constitute by seal ring 10 and gasket seal 11 with last baffler 2 by the upper cylinder cover 1 that adopts powdered metallurgical material processing, because in the last baffler 2 in the prior art two stage compressor is the pressurized gas of second level exhaust pressure, can not be communicated with the medium pressure gas in the housing, also just can not be discharged into as the gas of single stage compressor baffler in the housing, but must guarantee to go up the interior sealing of baffler, so just the Design and Machining to last baffler has proposed higher requirement.Therefore there is following shortcoming in the last baffler of prior art in actual manufacture process:
1. because the upper cylinder cover 1 in the last baffler of existing two stage compressor adopts the powdered metallurgical material manufacturing, cause manufacture cost higher thus;
2. owing to constitute by seal ring 10 and gasket seal 11 by upper cylinder cover 1 and last baffler 2 in the last baffler of existing two stage compressor, fit into luggage by each member apertures contraposition and join, therefore assemble difficulty, thus the speed that influence is produced.
Summary of the invention
The purpose of this utility model provides a kind of improved combined muffler that is arranged on the two stage compressor, and it not only simplifies the compressor assembly technology effectively, improves assembling speed, reduces the cost of compressor silencer, and has improved compressor noise.
The utility model is achieved through the following technical solutions:
A kind of combined muffler that is arranged on the two stage compressor comprises: upper cylinder cover or following cylinder cap are respectively equipped with blowhole and air outlet hole at upper cylinder cover or following cylinder cap both sides; Baffler is arranged on the top of upper cylinder cover or the bottom of following cylinder cap; A plurality of bolts, they pass through the baffler mounting hole on upper cylinder cover and the following cylinder cap respectively, and cylinder cap and baffler link together up and down; Be characterized in:
Described baffler is stepped shape, is provided with axis hole in the baffler, and baffler is nested with outside the cylinder cap diameter of axle, fits in the lower end surface of baffler and the upper-end surface of cylinder cap; Also comprise:
Two seal rings, they are separately positioned between the applying position of the baffler shaft hole inner wall and the cylinder cap diameter of axle and between the applying position, upper-end surface of baffler lower end surface and cylinder cap;
Described baffler is the silencing cavity that forms sealing between the upper-end surface of the inwall of stepped shape and corresponding cylinder cap.
In the above-mentioned combined muffler that is arranged on the two stage compressor, wherein, described baffler is integrated type, is provided with at integral sound suppressor axis hole periphery position to be step-like upper and lower layers step, and the external diameter of baffler shaft hole diameter and cylinder cap axle is suitable; The blowhole and the corresponding position of air outlet hole that are provided with in baffler two bottom sides and cylinder cap both sides are provided with vent, air outlet hole and a plurality of installation through hole.
In the above-mentioned combined muffler that is arranged on the two stage compressor, wherein, described baffler is inserted, this inserted baffler by shell, be arranged on the dividing plate between two steps in the silencer casing and the guide pipe that is vertically set in dividing plate one side is formed, dividing plate will be divided in the silencer casing two-layer silencing cavity up and down, be provided with vent at the opposite side of dividing plate; Inserted baffler one side is two stepped shapes, and opposite side is a stepped shape.
The utility model is arranged on the combined muffler on the two stage compressor owing to adopted above-mentioned technological scheme, makes it compared with prior art, has following advantage and good effect:
1. the utility model is owing to adopt the integrated type or the inserted baffler of the extrusion modling of low-cost panel beating material extending, after O-ring seals and cylinder cap close-coupled, form the silencing cavity of sealing fully, not only improved the efficiency of assembling of compressor, reduce the compressor cost, and the good vibration isolation improved effect of seal ring the noise of compressor.
2. the utility model can be selected whole or inserted noise-reducing structure for use owing to be provided with the baffler of multiple different structure type, can match with multiple combined muffler, thus applicable various compressor.
Description of drawings
By following the utility model is arranged on the description of some embodiments of the combined muffler on the two stage compressor in conjunction with its accompanying drawing, can further understands the purpose of this utility model, specific structural features and advantage.Wherein, accompanying drawing is:
Fig. 1 is the pump housing longitudinal profile schematic representation that the two stage compressor of prior art is provided with baffler;
Fig. 2 is the pump housing longitudinal profile schematic representation that the utility model is arranged on the combined muffler on the two stage compressor;
Fig. 3 is the integral sound suppressor schematic appearance that the utility model is arranged on the combined muffler on the two stage compressor;
Fig. 4 is the utility model first embodiment's a longitudinal profile schematic representation;
Fig. 5 the utility model second embodiment's longitudinal profile schematic representation;
Fig. 6 the utility model the 3rd embodiment's longitudinal profile schematic representation;
Fig. 7 the utility model the 4th embodiment's longitudinal profile schematic representation.
Embodiment
See also shown in Figure 2ly, this is a pump housing longitudinal profile schematic representation of the present utility model.Two stage compressor comprises: upper cylinder cover 10, a pair of baffler 20, upper cylinder 3, intermediate clapboard 4, cylinder cap 5, axle 6, lower cylinder 7, housing 9, two seal rings 30 and bolts 40 down; In the housing 9 of compressor, be provided with axle 6, on this axle 6, be nested with a baffler 20, upper cylinder cover 10, upper cylinder 3, intermediate clapboard 4, lower cylinder 7, following cylinder cap 5, another baffler 20 successively.One baffler 20 is connected by a plurality of bolts 40 with upper cylinder cover 10, and another baffler 20 is connected by a plurality of bolts 40 with following cylinder cap 5.
The utility model can be selected whole or inserted noise-reducing structure for use owing to be provided with the baffler of multiple different structure type, can with the multiple combined muffler of the supporting formation of various upper and lower cylinder caps, thereby applicable various compressor.Be to be described in following embodiment with the combined muffler that upper cylinder cover and baffler of the present utility model are combined into different structure type.
In Fig. 2, this combined muffler is made up of upper cylinder cover 10, baffler 20, seal ring 30, bolt 40; On upper cylinder cover 10, be respectively equipped with blowhole 13 and air outlet hole 14 compositions.
Baffler 20 is one or several stepped shapes, be provided with axis hole 25 (see figure 3)s in the baffler 20, baffler 20 is nested with outside the diameter of axle of upper cylinder cover 10, the upper-end surface of the lower end surface of baffler 20 and upper cylinder cover 10 fits, seal ring 30 is arranged between the applying position of the endoporus of baffler 20 and upper cylinder cover 10 diameters of axle, and another seal ring 30 is arranged between the applying position, upper-end surface of the lower end surface of baffler 20 and upper cylinder cover 10.
When a plurality of bolts 40 with upper cylinder cover 10 with after baffler 20 is connected, be one or several silencing cavity 21 forming sealing between the outer wall of the inwall of stepped shape and corresponding upper cylinder cover 10 at baffler 20.
Please in conjunction with Fig. 2 referring to shown in Figure 3, Fig. 3 is a baffler profile schematic representation on a kind of integrated type.Be provided with at integral sound suppressor 20 axis holes peripheries position and be step-like upper and lower layers step 21a, 22b, the external diameter that baffler axis hole 25 internal diameters and upper cylinder cover are 10 is suitable; The blowhole 13 and the air outlet hole 14 corresponding positions that are provided with in baffler 20 two bottom sides and upper cylinder cover both sides are provided with vent 23, air outlet hole 24 and a plurality of installation through hole 29.
Baffler (20) is made as inserted, this inserted baffler by shell 20a, be arranged on the dividing plate 20b between two steps in the silencer casing 20a and the guide pipe 20c that is vertically set in dividing plate 20b one side forms, dividing plate 20b will be divided in the silencer casing 20a two-layer silencing cavity up and down, be provided with vent 23 at the opposite side of dividing plate 20b; Inserted baffler 20 1 sides are two stepped shapes, and opposite side is a stepped shape.
Below by some embodiments, further specify structure situation of the present utility model.
Embodiment 1
See also shown in Figure 4ly, this is the utility model first embodiment's a longitudinal profile schematic representation.Baffler is made up of upper cylinder cover 10-1, integral sound suppressor 20-1, two O RunddichtringOs 30 and a plurality of bolt 40 on this combined type in the present embodiment.
Be respectively equipped with annular groove 11-1,12-1 on the axle external diameter of upper cylinder cover 10-1 and the upper-end surface, be respectively equipped with O-ring seals 30 in this groove.
Integral sound suppressor 20-1 is nested with and is being provided with on the upper cylinder cover 10-1 diameter of axle of seal ring 30, folder is established seal ring 30 between the upper-end surface of the lower end surface of integral sound suppressor 20-1 and upper cylinder cover 10-1, and the lower end surface of integral sound suppressor 20-1 and the upper-end surface of upper cylinder cover 10-1 are fitted tightly; Integral sound suppressor 20-1 is connected and fixed with upper cylinder cover 10-1 by bolt 40, the silencing cavity 21-1 of a plurality of sealings of formation between the inwall that is stepped shape at baffler 20-1 and the upper-end surface of corresponding upper cylinder cover 10-1.Blowhole 13-1 and air outlet hole 14-1 on silencing cavity 21-1 and the upper cylinder cover 10-1 connect.
In the present embodiment, integral sound suppressor 20-1 is formed with the integrated type noise-reducing structure of several silencing cavity by cost of material and the lower panel beating materials processing of processing cost, O-ring seals adopts the material of anti-fluorine rubber of oil-resisting and heat-resisting, long service life, the characteristics of this structure are: the baffler cost of material is lower, processing cost is also lower, and processing technology is simple, and certain erasure effect is arranged.
The working principle of integral sound suppressor 20-1 is: the pressurized gas after the compression are entered in upper cylinder cover 10-1 and the common airtight silencing cavity 21-1 that forms of baffler by the blowhole 13-1 on the upper cylinder cover 10-1, along the circumferential direction reach erasure effect through several silencing cavity and are discharged to outside the compressor by the vent hole 14-1 that goes out on the upper cylinder cover 10-1.
Embodiment 2
See also shown in Figure 5ly, this is the utility model second embodiment's a longitudinal profile schematic representation.Baffler is made up of upper cylinder cover 10-2, inserted baffler 20-2, O RunddichtringO 30 and a plurality of clamping bolt 40 on this combined type in the present embodiment.
Be respectively equipped with annular groove 11-2,12-2 on the axle external diameter of upper cylinder cover 10-2 and the upper-end surface, be arranged with O-ring seals 30 in this annular groove;
Baffler 20-2 is made as inserted, this inserted baffler 20-2 by silencer casing 20a-2, be arranged on the dividing plate 20b-2 between two steps in the silencer casing 20a-2 and the guide pipe 20c-2 that is vertically set in dividing plate 20b-2 one side forms, dividing plate 20b-2 and silencer casing 20a-2 welding are connected as a single entity, will be divided in the silencer casing 20a-2 two-layer silencing cavity up and down, be provided with vent 23-2 at the opposite side of dividing plate 20b-2; Inserted baffler 20-2 one side is two stepped shapes, and opposite side is a stepped shape.
Inserted baffler 20-2 is nested with and is being provided with on the upper cylinder cover 10-2 diameter of axle of seal ring 30, and the upper-end surface of the lower end surface of inserted baffler 20-2 and cylinder cap 10-2 fits tightly by seal ring 30; Inserted baffler 20-2 is connected with cylinder cap 10-2 by bolt 40, is formation seals between the outer wall of the inwall of stepped shape and corresponding cylinder cap 10-2 upper strata silencing cavity 21-2 and the silencing cavity 22-2 of lower floor at inserted baffler 20-2; The blowhole 13-2 that vent 23-2 that dividing plate 20b-2 is provided with and upper cylinder cover 10-2 are provided with, upper strata silencing cavity 21-2 and the silencing cavity 22-2 of lower floor connect, and the air outlet hole 14-2 that guide pipe 20c-2 that dividing plate 20b-2 is provided with and upper cylinder cover 10-2 are provided with, upper strata silencing cavity 21-2 and the silencing cavity 22-2 of lower floor connect.
In the present embodiment, inserted silencer casing 20a-2 and dividing plate 20b-2 process by sheet metal process; Inserted baffler and dividing plate adopt cost of material and the lower two blocks of panel beating materials spot welding of processing cost to form, O-ring seals adopts the material of anti-fluorine rubber of oil-resisting and heat-resisting, long service life, between the axle journal that upper cylinder cover and baffler fit tightly and the O RunddichtringO is set respectively between the mounting plane, form upper strata silencing cavity and lower floor's silencing cavity of sealing fully.The characteristics of this structure are: the baffler cost of material is lower, and baffler has the dividing plate welding, and erasure effect is better.
The working principle of baffler is on this combined type: the pressurized gas after the compression are entered in upper cylinder cover 10-1 and the common silencing cavity 22-2 of lower floor that forms of inserted baffler by the blowhole 13-2 of upper cylinder cover 10-1, after along the circumferential direction carrying out the noise reduction first time through several anechoic chambers, enter into upper strata silencing cavity 21-2 by one on the dividing plate 20b-2 or several vents 23-2, along the circumferential direction pass through several silencing cavity, after carrying out the noise reduction second time, the air outlet hole 14-2 that is incorporated on the upper cylinder cover by the guide pipe 20c-2 on the dividing plate 20b-2 also finally is discharged to outside the compressor again.
Embodiment 3
See also shown in Figure 6ly, this is the utility model the 3rd embodiment's a longitudinal profile schematic representation.This combined muffler is made up of upper cylinder cover 10-3, integral sound suppressor 20-3, two O RunddichtringOs 30 and a plurality of bolt 40 in the present embodiment.
In the axle 25-3 hole of baffler 20-3 and the position that fits of the diameter of axle of upper cylinder cover 10-3 is provided with circular ring slot 27-3 on the integrated type, is provided with O-ring seals 30 in this semicircle annular groove; The position that fits in the upper-end surface of the lower end surface of baffler 20-3 and upper cylinder cover 10-3 is provided with semicircle annular groove 28-3, is provided with seal ring 30 in this semicircle annular groove 28-3.
Described integral sound suppressor 20-3 is nested with on the diameter of axle of upper cylinder cover 10-3, its plane circumferential seat drops among the mounting groove 15-3 of upper cylinder cover 10-3, fits tightly with upper cylinder cover 10-3 by semi-round ring shape groove 27-3 and the seal ring among the 28-3 30 that is arranged on integral sound suppressor 20-3; Integral sound suppressor 20-3 is connected and fixed with upper cylinder cover 10-3 by bolt 40, and the seal action by the O RunddichtringO, the silencing cavity 21-3 of a plurality of sealings of formation between the inwall that is stepped shape at integral sound suppressor 20-3 and the upper-end surface of corresponding upper cylinder cover 10-3; The blowhole 13-3 of the vent 23-3 of the silencing cavity 21-3 of baffler 20-3, air outlet hole 24-3 and upper cylinder cover 10-3 and air outlet hole 14-3 connect on the integrated type.
In the present embodiment, integral sound suppressor adopts cost of material and the lower panel beating material of processing cost, makes the integrated type noise-reducing structure, and O-ring seals adopts the material of anti-fluorine rubber of oil-resisting and heat-resisting, long service life.In the semi-round ring shape groove of the relevant position on the baffler diameter of axle that fits with upper cylinder cover and plane, the O RunddichtringO is set, forms the silencing cavity of sealing fully.The characteristics of this structure are: the baffler cost of material is lower, and upper cylinder cover diameter of axle intensity increases, and certain erasure effect is arranged.
The working principle of this combined muffler is: the pressurized gas after the compression are entered in upper cylinder cover 10-1 and the common airtight silencing cavity that forms of integral sound suppressor 20-3 by the blowhole 13-1 on the upper cylinder cover 10-1, and the sound deadening through several silencing cavity along the circumferential direction is discharged to outside the compressor by the vent hole 14-1 that goes out on the upper cylinder cover 10-1 again.
Embodiment 4
See also shown in Figure 7ly, this is the utility model the 4th embodiment's a longitudinal profile schematic representation.This combined muffler is made up of upper cylinder cover 10-4, inserted baffler 20-4, O RunddichtringO 30 and a plurality of bolt 40 in the present embodiment.
Baffler 20-4 is made as inserted, this inserted baffler 20-4 by silencer casing 20a-4, be arranged on the dividing plate 20b-4 between two steps in the silencer casing 20a-4 and the guide pipe 20c-4 that is vertically set in dividing plate 20b-4 one side forms, dividing plate 20b-4 and silencer casing 20a-4 welding are connected as a single entity, to be divided into two-layer silencing cavity up and down in the silencer casing 20a-4, dividing plate 20b-4 and bleed copper guide pipe 20c-4 welding are connected as a single entity; Opposite side at dividing plate 20b-4 is provided with vent 23-4; Inserted baffler 20-4 one side is two stepped shapes, and opposite side is a stepped shape.
The position that the axis hole 25-4 inwall of silencer casing 20a-4 and the diameter of axle of upper cylinder cover 10-4 fit is provided with semi-round ring shape groove 27-4, is provided with O-ring seals 30 in this semi-round ring shape groove; The position that fits in the upper-end surface of the lower end surface of silencer casing 20a-4 and upper cylinder cover 10-4 is provided with semi-round ring shape groove 28-4, is provided with O-ring seals 30 in this semi-round ring shape groove;
Inserted baffler 20-4 is nested with on upper cylinder cover 10-4, fits tightly by the diameter of axle and the upper-end surface of seal ring 30 with upper cylinder cover 10-4; Inserted baffler 20-4 is connected with upper cylinder cover 10-4 by bolt 40, is formation seals between the outer wall of the inwall of stepped shape and corresponding upper cylinder cover 10-4 upper strata silencing cavity 21-4 and the silencing cavity 22-4 of lower floor at inserted baffler 20-4; The blowhole 13-4 that vent 23-4 that dividing plate 20b-4 is provided with and upper cylinder cover 10-4 are provided with, upper strata silencing cavity 21-4 and the silencing cavity 22-4 of lower floor connect, and the air outlet hole 14-4 that guide pipe 20c-4 that dividing plate 20b-4 is provided with and upper cylinder cover 10-4 are provided with, upper strata silencing cavity 21-4 and the silencing cavity 22-4 of lower floor connect.
In the present embodiment, inserted baffler and dividing plate employing cost of material and the two blocks of lower panel beating materials of processing cost gone up, dividing plate 20b-4 is by being connected as a single entity with last silencer casing 20c-4 welding, and dividing plate 20b-4 is by being connected as a single entity with bleed copper guide pipe 20c-4 welding; O-ring seals 30 adopts the material of anti-fluorine rubber of oil-resisting and heat-resisting, long service life.Silencer casing 20a-4 is provided with O RunddichtringO 30 in the semicircle annular groove that the relevant position on the baffler diameter of axle that fits with upper cylinder cover 10-1 and plane is provided with, form the upper strata silencing cavity 21-4 and the silencing cavity 22-4 of lower floor of sealing fully.The characteristics of this structure are: the baffler cost of material is lower, and upper cylinder cover 10-4 diameter of axle intensity increases, and two-layer silencing cavity is arranged in the baffler, and erasure effect is better.
The inserted working principle that goes up baffler 20-4 is: the pressurized gas after the compression are entered in upper cylinder cover 10-4 and the common silencing cavity 21-4 of lower floor that forms of baffler by the blowhole 13-4 on the upper cylinder cover 10-4, along the circumferential direction through after several silencing cavity process noise reductions for the first time, enter into upper strata silencing cavity 21-4 by one on the dividing plate 20b-4 or several small through hole, along the circumferential direction by after several silencing cavity process noise reductions for the second time, the vent hole 14-4 that goes out that is incorporated on the upper cylinder cover 10-4 by the guide pipe 20c-4 on the dividing plate 20b-4 also finally is discharged to outside the compressor again.
In sum, the utility model is arranged on the combined muffler on the two stage compressor, because baffler has adopted the extrusion modling of panel beating material extending, makes it to have anti-anticyclonic advantage; Simultaneously because seal ring adopts the material of anti-fluorine rubber of oil-resisting and heat-resisting, make and formed the silencing cavity of sealing fully between baffler and the upper cylinder cover, the intermediate-pressure gas of (go up baffler outside) in second level exhaust pressurized gas in the baffler and the housing is separated fully; And, therefore reached sound deadening preferably because the utility model integrated type or inserted baffler adopt multi-form silencing cavity structure; The utility model can not only assemble fast in addition, has improved compressor noise simultaneously, has reduced the compressor cost, makes it to have the market competitiveness, and is therefore very practical.

Claims (7)

1. combined muffler that is arranged on the two stage compressor comprises:
Upper cylinder cover (10) or following cylinder cap (5) are respectively equipped with blowhole (13) and air outlet hole (14) at upper cylinder cover (10) or following cylinder cap (5) both sides;
Baffler (20) is arranged on the top of upper cylinder cover (10) or the bottom of following cylinder cap (5);
A plurality of bolts (40), they pass through the baffler mounting hole (29) on upper cylinder cover (10) and the following cylinder cap (5) respectively, and upper cylinder cover (10) or following cylinder cap (5) are linked together with baffler (20);
It is characterized in that:
Described baffler (20) is stepped shape, is provided with axis hole (25) in the baffler (20), and baffler (20) is nested with outside cylinder cap (10) diameter of axle, fits in the upper-end surface of the lower end surface of baffler (20) and cylinder cap (10);
Also comprise: two seal rings (30) are separately positioned between the applying position of baffler (20) axis hole (25) inwall and cylinder cap (10) diameter of axle and between the applying position, upper-end surface of baffler (20) lower end surface and cylinder cap (10);
Described baffler (20) is the silencing cavity (21) that forms sealing between the upper-end surface of the inwall of stepped shape and corresponding cylinder cap (10).
2. the combined muffler that is arranged on the two stage compressor as claimed in claim 1, it is characterized in that: described baffler (20) is integrated type, be provided with at integral sound suppressor (20) axis hole periphery position and be step-like upper and lower layers step (21a), (22b), the external diameter of baffler (20) axis hole (25) internal diameter and cylinder cap (10) spool is suitable; The blowhole (13) and the corresponding position of air outlet hole (14) that are provided with in baffler (20) two bottom sides and cylinder cap both sides are provided with vent (23), air outlet hole (24) and a plurality of installation through hole (29).
3. the combined muffler that is arranged on the two stage compressor as claimed in claim 1, it is characterized in that: described baffler (20) is inserted, this inserted baffler (20) by shell (20a), be arranged on the dividing plate (20b) between two steps in the silencer casing (20a) and the guide pipe (20c) that is vertically set in dividing plate (20b) side is formed, dividing plate (20b) will be divided in the silencer casing (20a) two-layer silencing cavity up and down, be provided with vent (23) at the opposite side of dividing plate (20b); Inserted baffler (20) one sides are two stepped shapes, and opposite side is a stepped shape.
4. the combined muffler that is arranged on the two stage compressor as claimed in claim 1 or 2 is characterized in that: described combined muffler is made up of cylinder cap (10-1), integral sound suppressor (20-1), two O RunddichtringOs (30) and a plurality of bolt (40);
The axle external diameter and the upper-end surface of described cylinder cap (10-1) are respectively equipped with circular groove (11-1,12-1), are respectively equipped with O-ring seals (30) in this groove;
Described integral sound suppressor (20-1) is nested with and is being provided with on the cylinder cap 10-1 diameter of axle of seal ring (30), and folder is established a seal ring (30) between the upper-end surface of the lower end surface of integral sound suppressor (20-1) and cylinder cap (10-1); Integral sound suppressor (20-1) is fixedlyed connected with cylinder cap (10-1) by bolt (40), be the silencing cavity (21-1) that forms a plurality of sealings between the upper-end surface of the inwall of stepped shape and corresponding cylinder cap (10-1) at baffler (20-1), silencing cavity (21-1) connects with blowhole (13-1) and air outlet hole (14-1) on the cylinder cap (10-1).
5. as claim 1 or the 3 described combined muffler that are arranged on the two stage compressor, it is characterized in that: described combined muffler is made up of cylinder cap (10-2), inserted baffler (20-2), O RunddichtringO (30) and a plurality of clamping bolt (40);
The axle external diameter and the upper-end surface of described cylinder cap (10-2) are respectively equipped with circular groove (11-2,12-2), are respectively equipped with O-ring seals (30) in this groove;
Described inserted baffler (20-2) is nested with on the cylinder cap that is provided with seal ring (30) (10-2) diameter of axle, and the upper-end surface of the lower end surface of inserted baffler (20-2) and cylinder cap (10-2) fits tightly by seal ring (30); Inserted baffler (20-2) is connected with cylinder cap (10-2) by bolt (40), is formation seals between the outer wall of the inwall of stepped shape and corresponding cylinder cap (10-2) upper strata silencing cavity (21-2) and lower floor's silencing cavity (22-2) at inserted baffler (20-2); The vent (23-2) that dividing plate (20b-2) is provided with connects with blowhole (13-2), upper strata silencing cavity (21-2) and lower floor's silencing cavity (22-2) that cylinder cap 10-2 is provided with, and the guide pipe (20c-2) that dividing plate (20b-2) is provided with connects with air outlet hole (14-2), upper strata silencing cavity (21-2) and lower floor's silencing cavity (22-2) that cylinder cap (10-2) is provided with.
6. the combined muffler that is arranged on the two stage compressor as claimed in claim 1 or 2 is characterized in that: described combined muffler is made up of cylinder cap (10-3), integral sound suppressor (20-3), two O RunddichtringOs (30) and a plurality of bolt (40);
Be respectively equipped with semicircle annular groove (27-3,28-3) on axis hole (25-3) inwall of described integral sound suppressor (20-3) and the lower end surface, in this semicircle annular groove (27-3,28-3), be provided with O-ring seals (30);
The axis hole (25-3) of described integral sound suppressor (20-3) is nested with on the diameter of axle of cylinder cap (10-3), fits tightly by seal ring (30) in the semi-round ring shape groove (27-3 and 28-3) that is arranged on integral sound suppressor (20-3) and cylinder cap (10-3); Integral sound suppressor (20-3) is connected and fixed by bolt (40) and cylinder cap (10-3), the silencing cavity (21-3) of a plurality of sealings of formation between the inwall that is stepped shape at integral sound suppressor (20-3) and the upper-end surface of corresponding cylinder cap (10-3); The vent (23-3) of the silencing cavity (21) of integral sound suppressor (20-3), air outlet hole (24-3) connect with the blowhole (13-3) and the air outlet hole (14-3) of cylinder cap (10-3).
7. as claim 1 or the 3 described combined muffler that are arranged on the two stage compressor, it is characterized in that: described combined muffler is made up of cylinder cap (10-4), inserted baffler (20-4), O RunddichtringO (30) and a plurality of bolt (40);
The position that axis hole (25-4) inwall of described silencer casing (20a-4) and the diameter of axle of cylinder cap (10-4) fit is provided with semi-round ring shape groove (27-4), is provided with O-ring seals (30) in this semi-round ring shape groove; The position that fits in the upper-end surface of the lower end surface of silencer casing (20a-4) and cylinder cap (10-4) is provided with semi-round ring shape groove (28-4), is provided with O-ring seals (30) in this semi-round ring shape groove;
Described inserted baffler (20-4) is nested with on cylinder cap (10-4), fits tightly by the diameter of axle and the upper-end surface of seal ring (30) with cylinder cap (10-4); Inserted baffler (20-4) is connected with cylinder cap (10-4) by bolt (40), is formation seals between the outer wall of the inwall of stepped shape and corresponding cylinder cap (10-4) upper strata silencing cavity (21-4) and lower floor's silencing cavity (22-4) at inserted baffler (20-4); The vent (23-4) that dividing plate (20b-4) is provided with connects with blowhole (13-4), upper strata silencing cavity (21-4) and lower floor's silencing cavity (22-4) that cylinder cap (10-4) is provided with, and the guide pipe (20c-4) that dividing plate (20b-4) is provided with connects with air outlet hole (14-4), upper strata silencing cavity (21-4) and lower floor's silencing cavity (22-4) that cylinder cap (10-4) is provided with.
CNU2006200412341U 2006-04-21 2006-04-21 Combined silencer fitted on two-stage compressor Expired - Lifetime CN2895805Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2006200412341U CN2895805Y (en) 2006-04-21 2006-04-21 Combined silencer fitted on two-stage compressor

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Application Number Priority Date Filing Date Title
CNU2006200412341U CN2895805Y (en) 2006-04-21 2006-04-21 Combined silencer fitted on two-stage compressor

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CN2895805Y true CN2895805Y (en) 2007-05-02

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CNU2006200412341U Expired - Lifetime CN2895805Y (en) 2006-04-21 2006-04-21 Combined silencer fitted on two-stage compressor

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101878368B (en) * 2007-11-28 2013-06-05 大金工业株式会社 Seal structure and compressor
CN110617215A (en) * 2018-06-18 2019-12-27 Lg电子株式会社 Compressor with a compressor housing having a plurality of compressor blades

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101878368B (en) * 2007-11-28 2013-06-05 大金工业株式会社 Seal structure and compressor
CN110617215A (en) * 2018-06-18 2019-12-27 Lg电子株式会社 Compressor with a compressor housing having a plurality of compressor blades

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