CN207111435U

CN207111435U - Rotary compressor and its cushion pad

Info

Publication number: CN207111435U
Application number: CN201721096846.5U
Authority: CN
Inventors: 陈涛; 马宇山; 尹诗华
Original assignee: Guangdong Meizhi Compressor Co Ltd
Current assignee: Guangdong Meizhi Compressor Co Ltd
Priority date: 2017-08-29
Filing date: 2017-08-29
Publication date: 2018-03-16
Anticipated expiration: 2027-08-29

Abstract

It the utility model is related to rotary compressor field, disclose a kind of rotary compressor and its cushion pad, the rotary compressor main casing (1) and the reservoir (3) connected with the main casing (1) by air intake duct (2), cushion pad (4) is provided between the lateral wall of the main casing (1) and the lateral wall of the reservoir (3), interference conforms to the lateral wall of the main casing (1) and the lateral wall of the reservoir (3) to the cushion pad (4) respectively.The damping action of cushion pad reduces reservoir vibration amplitude, and the vibrational energy of reservoir is converted into the heat energy of cushion pad, is advantageous to improve the vibration and noise of reservoir, improves the fatigue strength of system and its air intake duct.And cushion pad has simple in construction, manufacture is simple, it is easy for installation the advantages that.

Description

Rotary compressor and its cushion pad

Technical field

Compressor arrangement is the utility model is related to, more particularly to a kind of rotary compressor.In addition, the utility model is also It is related to a kind of cushion pad of the rotary compressor.

Background technology

Rotary compressor is rotated by motor driven bent axle, the eccentric action in bent axle driving compression assembly, realizes gas The compressed action of state refrigerant, so as to realize the cyclic process of refrigeration.During this circularly cooling, due to the cycle of compressor Property the gas moment loading of change, the factor such as imbalance of moving component can cause the main casing of rotary compressor produce compared with Big rotary vibration.And in order to provide refrigerant in the main casing to compressor, the main casing of compressor needs to connect by air intake duct The reservoir for storing and supplying refrigerant is connect, reservoir needs to be fixed on the main casing of compressor by support and clip. Due to this fixed relationship so that the vibration of main casing directly can be transferred to reservoir by fixed structure between the two, draw The vibration of reservoir is played, acting in opposition in the main casing of compressor, makes the vibration of whole compressor make an uproar again for the vibration of reservoir Sound further deteriorates.

The improvement done regarding to the issue above in the prior art, often increase at the clip that reservoir and main casing are fixed Add the buffering vibration absorbing structure of elasticity, to reduce the vibration transmission between main casing and reservoir.As Authorization Notice No. is Technical scheme disclosed in CN202811359U Chinese utility model patent, it is being stored up to realize the vibration damping of compressor It is used to be connected between the band of support and reservoir on liquid device to set up elastic component, to reduce between main casing and reservoir Vibration is transmitted.

However, state problem in the presence of inevitable in said structure：As elastic component rubber sheet gasket thickness by To restriction, with the increase of the thickness of rubber sheet gasket, the vibration displacement of reservoir is consequently increased, and by preceding described, reservoir In order to which the transmission of refrigerant is connected with air intake duct between main casing, the increased vibration displacement of reservoir necessarily causes air intake duct Fatigue life reduces.And the thickness of rubber sheet gasket reduces and has an impact its effectiveness in vibration suppression.In addition, cause the vibration noise of compressor Gas pressure pulsation also in air intake duct, this vibration are also difficult to eliminate by the elastomeric pad between band and reservoir.

Utility model content

The purpose of this utility model is to overcome above mentioned problem existing for prior art, there is provided a kind of rotary compressor And its cushion pad, the rotary compressor can improve the situation that reservoir is vibrated by the influence of main casing, carry The fatigue strength of the connecting line of high rotary compressor.

To achieve these goals, on the one hand the utility model provides a kind of rotary compressor, includes the master of compressor Housing and the reservoir connected with the main casing by air intake duct, the lateral wall of the main casing are outer with the reservoir Cushion pad is provided between side wall, interference conforms to the lateral wall of the main casing and the liquid storage to the cushion pad respectively The lateral wall of device.

Preferably, the cushion pad, which has, can at least partly coat the lateral wall of the main casing and/or the storage The arc surface of the lateral wall of liquid device.

Preferably, the spacing of the vertical position that can limit the cushion pad is provided with the lateral wall of the reservoir Portion.

Preferably, the reservoir includes the first cup and the second cup to interfix, the lower end of first cup In fixedly embedded second cup, to cause the upper end of second cup to be formed as the limiting section.

Preferably, the reservoir is fixed to the main casing, and the limiting section and the fixation by fixed support Vertical spacing between support is not less than the vertically extending height of the cushion pad.

Preferably, the caulking groove formed with indent on the lateral wall of the reservoir, the cushion pad interference conform to institute The bottom land of caulking groove is stated, the upper side wall and/or lower wall of the caulking groove are formed as the limiting section.

Preferably, the vertical height of the caulking groove is not less than the vertically extending height of the cushion pad.

Preferably, the radial width of the limiting section is not less than 2mm.

Preferably, the shore hardness of the cushion pad is 32Hs to 46Hs.

The utility model second aspect provides a kind of cushion pad of rotary compressor, and the cushion pad is formed with that This arc surface deviated from, can be arranged in the cushion pad between the main casing and reservoir of the rotary compressor Cause that respectively correspondingly interference is bonded the lateral wall of the main casing and the lateral wall of the reservoir to the arc surface under state.

Pass through above-mentioned technical proposal, the cushion pad that interference is fitted between the lateral wall of main casing and the lateral wall of reservoir Block so that main casing when vibrating, vibrate by cushion pad absorb or be changed into cushion pad two lateral walls it Between frictional heat energy, with reduce vibration amplitude, so as to directly reduce even eliminate vibration, prevent vibration cause reservoir The excessive connection fatigue strength for influenceing air intake duct of vibration displacement.

Brief description of the drawings

Fig. 1 is the topology view of the first embodiment of rotary compressor；

Fig. 2 is the topology view of installation relation of the display buffer cushion block between main casing and reservoir；

Fig. 3 is the local structure view of the main casing of the rotary compressor in Fig. 1；

Fig. 4 is the topology view of second of embodiment of rotary compressor；

Fig. 5 is the local structure view of the main casing of the rotary compressor in Fig. 4.

Description of reference numerals

1- main casings；2- air intake ducts；3- reservoirs；30- limiting sections；31 first cups；The cups of 32- second；33- caulking grooves； 330- bottom lands；331- upper side walls；332- lower walls；4- cushion pads；5- fixed supports.

Embodiment

In the utility model, in the case where not making opposite explanation, the noun of locality such as " upper and lower, left and right " used is usual Refer to typically refer to each portion for direction shown in the drawings or on vertical, vertical or neutral direction The relationship description word of part mutual alignment." inside and outside " refers to for the shell wall of main casing or reservoir, by the main casing Or the space of the shell wall cladding of reservoir is " interior ", opposite side is " outer ".

Below for convenience of description, the theme of description is chosen to be the rotary pressure for the cushion pad for being provided with application protection Contracting machine.

As shown in fig. 1, according to a kind of rotary compressor of preferred embodiment of the present utility model, including main casing 1 and reservoir 3, reservoir 3 be fixed to by fixed support 5 on main casing 1, the inner chamber of main casing 1 and reservoir 3 passes through air-breathing Pipe 2 is tightly connected, to enable the refrigerant of the interior storage of reservoir 3 to enter in main casing 1, and set by the inside of main casing 1 Compression assembly compression output.

Cushion pad 4 is provided between the lateral wall of main casing 1 and lateral wall and reservoir 3, as shown in Figure 2, buffering Cushion block 4 has the arc surface of at least partly lateral wall of the lateral wall of cladding main casing 1 and reservoir 3, also, cushion pad 4 It is installed as interference and conforms to two lateral walls.

Herein it should be noted that interference fitting refers to, cushion pad 4 main casing 1 lateral wall and reservoir 3 it is outer Slight elastic deformation at least occurs between side wall, in other words, the horizontal range between main casing 1 and reservoir 3 is not more than The width of the horizontal direction of cushion pad 4.Advantage of this is that make the both ends difference of the horizontal direction of cushion pad 4 closely connected extremely On main casing 1 and reservoir 3, with reliable vibration damping.

In addition, the arc surface on cushion pad 4 should be adapted to the radian for the lateral wall being bonded with it, the degree foundation of cladding Selection is actually needed, still, sets the arc surface to be effectively increased cushion pad 4 and main casing 1 and the contact surface of reservoir 3 Product, so as to the more efficiently conduction for reducing vibration.Cushion pad 4 is overall to be cut out by one piece of rectangular rubber block at corresponding both ends Arc surface is formed, and therefore, the position of two arc surfaces of removing of cushion pad 4, remaining face is plane, with to greatest extent Simplify the structure of cushion pad, simplify its manufacturing process.

Further, cushion pad 4 described in the utility model, uses shore hardness as 32Hs to three between 46Hs First EP rubbers (EPDM), natural rubber (NR), silicon rubber (SI), butyl rubber (IIR) etc. have damping and effectiveness in vibration suppression Elastomeric material is made.

The limiting section 30 for the vertical position that can limit cushion pad 4 is provided with the lateral wall of reservoir 3, to delay Rush position of the cushion block 4 along the vertical axis of reservoir 3 to be relatively fixed, prevent the edge of cushion pad 4 when main casing 1 vibrates Region between vertical abjection main casing 1 and reservoir 3.

As shown in Figure 3, specifically, in Fig. 1 in shown the first embodiment, reservoir 3 includes mutually solid Fixed the first cup 31 and the second cup 32, the lower end of the first cup 31 are embedded in the second cup and are welded to each other fixation, to divide Not Xing Cheng reservoir 3 side wall and bottom wall.The upper end of second cup 32 is formed as limiting section 30.

Further, the vertical spacing between fixed support 5 and limiting section 30 is not less than the vertically extending height of cushion pad 4 Degree, with prevent main casing 1 vibrate when, fixed support 5 is influenceed by the displacement of cushion pad 4.In order to ensure that limiting section 30 is right Reliable in the vertical spacing of cushion pad 4, along the radial direction shown in Fig. 2, the radial width of limiting section 30 is not less than 2mm.In Fig. 3 Shown in real-time mode under, the wall thickness that the restriction can be considered as the second cup 32 is not less than 2mm." vertical " referred to herein be Refer to the vertical direction for the present orientation of rotary compressor in Fig. 1.

As shown in Figures 4 and 5, in second of embodiment of rotary compressor, the structure of reservoir 3 is done as follows Change：Reservoir 3 includes being welded to each other fixed the first cup 31 and the second cup 32, the upper end insertion first of the second cup 32 In the madial wall of cup 31 and seal, the caulking groove 33 formed with indent on the lateral wall of the first cup 31, the caulking groove 33 it is interior Recessed depth is not less than 2mm, is not less than 2mm with the width of the horizontal direction for the limiting section 30 for be formed by the caulking groove 33.

Caulking groove 33 includes the bottom land 330 that is bonded with the interference of cushion pad 4, the upper side wall 331 and lower wall 332 of caulking groove 22 it One limiting section 30 as the vertical displacement for limiting cushion pad 4.Make an explanation herein, although the caulking groove 33 shown in Fig. 5 is Symmetrical structure, i.e. upper side wall 331 are identical with the radial width of lower wall 332, but during actual processing, both radial widths can With otherwise varied.

Further, the vertical height of caulking groove 33, i.e. the vertical height of bottom land 330 is prolonged not less than the vertical of cushion pad 4 Height is stretched, to enable cushion pad 4 that a certain degree of displacement occurs in caulking groove 33, to eliminate vibration.

In second of embodiment of rotary compressor, fixed support 5 is arranged at beyond the groove 33 of reservoir 3 On lateral wall.

Preferred embodiment of the present utility model, still, the utility model and unlimited is described in detail above in association with accompanying drawing In this.In range of the technology design of the present utility model, a variety of simple variants can be carried out to the technical solution of the utility model, It is combined in any suitable manner including each particular technique feature, in order to avoid unnecessary repetition, the utility model Various combinations of possible ways are no longer separately illustrated.But these simple variants and combination should equally be considered as the utility model institute Disclosure, belong to the scope of protection of the utility model.

Claims

1. a kind of rotary compressor, including the main casing (1) of compressor and pass through air intake duct (2) with the main casing (1) The reservoir (3) of connection, it is characterised in that set between the lateral wall of the main casing (1) and the lateral wall of the reservoir (3) Cushion pad (4) is equipped with, interference conforms to the lateral wall of the main casing (1) and the liquid storage to the cushion pad (4) respectively The lateral wall of device (3).

2. rotary compressor according to claim 1, it is characterised in that the cushion pad (4) has can be at least Part coats the arc surface of the lateral wall of the main casing (1) and/or the lateral wall of the reservoir (3).

3. rotary compressor according to claim 1, it is characterised in that set on the lateral wall of the reservoir (3) There is the limiting section (30) for the vertical position that can limit the cushion pad (4).

4. rotary compressor according to claim 3, it is characterised in that the reservoir (3) includes what is interfixed First cup (31) and the second cup (32), fixedly embedded second cup (32) in lower end of first cup (31) is interior, To cause the upper end of second cup (32) to be formed as the limiting section (30).

5. rotary compressor according to claim 4, it is characterised in that the reservoir (3) passes through fixed support (5) The main casing (1) is fixed to, and the vertical spacing between the limiting section (30) and the fixed support (5) is not less than described The vertically extending height of cushion pad (4).

6. rotary compressor according to claim 3, it is characterised in that formed on the lateral wall of the reservoir (3) There is the caulking groove (33) of indent, cushion pad (4) interference conforms to the bottom land (330) of the caulking groove (33), the caulking groove (33) upper side wall (331) and/or lower wall (332) is formed as the limiting section (30).

7. rotary compressor according to claim 6, it is characterised in that the vertical height of the caulking groove (33) is not less than The vertically extending height of the cushion pad (4).

8. rotary compressor according to claim 3, it is characterised in that the radial width of the limiting section (30) is not small In 2mm.

9. according to the rotary compressor described in claim 1-8 any one, it is characterised in that the cushion pad (4) Shore hardness is 32Hs to 46Hs.

10. a kind of cushion pad of rotary compressor, it is characterised in that the cushion pad is formed with circular arc away from one another Face, so that shape between the main casing (1) of the rotary compressor and reservoir (3) can be arranged in the cushion pad (4) Cause under state the arc surface respectively correspondingly interference be bonded the main casing (1) lateral wall and the reservoir (3) it is outer Side wall.