KR20120133205A - Compressor - Google Patents

Compressor Download PDF

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Publication number
KR20120133205A
KR20120133205A KR1020110051753A KR20110051753A KR20120133205A KR 20120133205 A KR20120133205 A KR 20120133205A KR 1020110051753 A KR1020110051753 A KR 1020110051753A KR 20110051753 A KR20110051753 A KR 20110051753A KR 20120133205 A KR20120133205 A KR 20120133205A
Authority
KR
South Korea
Prior art keywords
suction
refrigerant
cylinder block
cylinder
compressor
Prior art date
Application number
KR1020110051753A
Other languages
Korean (ko)
Inventor
홍선주
김광진
곽정명
윤덕빈
Original Assignee
한라공조주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 한라공조주식회사 filed Critical 한라공조주식회사
Priority to KR1020110051753A priority Critical patent/KR20120133205A/en
Publication of KR20120133205A publication Critical patent/KR20120133205A/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
    • F04B27/0873—Component parts, e.g. sealings; Manufacturing or assembly thereof
    • F04B27/0891—Component parts, e.g. sealings; Manufacturing or assembly thereof casings, housings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
    • F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
    • F04B27/10—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
    • F04B27/1036—Component parts, details, e.g. sealings, lubrication
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/10—Adaptations or arrangements of distribution members
    • F04B39/1066—Valve plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/10—Adaptations or arrangements of distribution members
    • F04B39/1073—Adaptations or arrangements of distribution members the members being reed valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/122—Cylinder block
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2210/00—Working fluid
    • F05B2210/10—Kind or type
    • F05B2210/12—Kind or type gaseous, i.e. compressible
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/30—Retaining components in desired mutual position
    • F05B2260/301—Retaining bolts or nuts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S415/00—Rotary kinetic fluid motors or pumps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S417/00—Pumps

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Compressor (AREA)

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a compressor having a gasket function for preventing leakage of refrigerant in a suction lead plate for selectively communicating refrigerant moving in a cylinder bore to a cylinder bore. The cylinder bore includes a suction lead plate configured to integrally move the refrigerant and prevent sealing of the refrigerant. According to the present invention, the effect of reducing the number of parts used in the compressor occurs.

Description

Compressor {Compressor}

The present invention relates to a compressor, and more particularly to a compressor having a gasket function for preventing the leakage of the refrigerant in the suction lead plate for selectively communicating the refrigerant moving in the cylinder bore to the cylinder bore.

In general, an air conditioner for heating and cooling is installed in a vehicle. The air conditioner includes a compressor for compressing a low temperature low pressure refrigerant drawn from an evaporator into a high temperature high pressure refrigerant and sending it to a condenser as a configuration of a cooling system. The swash plate type compressor has been applied.

The swash plate compressor is driven according to the on / off of the air conditioner switch installed on the front panel of the vehicle. When the compressor is driven, the temperature of the evaporator is lowered, and when the compressor is stopped, the temperature of the evaporator is increased. The swash plate compressor is driven by receiving power from the rotational force of an automobile engine, and a general fixed displacement type compressor is provided with an electronic clutch to control the operation of the compressor.

As shown in FIG. 1, the swash plate type compressor 1 includes a cylinder block 30 having a plurality of cylinder bores 31 therein, and a front housing 10 coupled to the front of the cylinder block 30. ), A rear housing 20 coupled to the rear of the cylinder block 30, and a valve assembly 40 interposed between the cylinder block 30 and the front and rear housings 10 and 20, respectively. . The front housing 10, the cylinder block 30, and the rear housing 20 are coupled by a bolt (B).

The cylinder block 30 is formed by combining the front cylinder block 30a and the rear cylinder block 30b which are formed substantially symmetrically with each other. A plurality of cylinder bores 31 are arranged in a circle along the edge of the front and rear cylinder blocks. The cylinder bore 31 is formed in a cylindrical shape as a space for compressing the refrigerant. The piston 60 is mounted inside the cylinder bore 31 so that the piston 60 linearly reciprocates and compresses the refrigerant.

The rear surface of the front housing 10 coupled to the front of the front cylinder block 30a is concave, and the concave portion is coupled to the front cylinder block 30a to form the suction chamber 10b and the discharge chamber 10a. ). In addition, the rear housing 20 is coupled to the rear of the rear cylinder block 30b. The front surface of the rear housing 20 is concave, and the concave portion is combined with the rear cylinder block 30b to form the suction chamber 20b and the discharge chamber 20a. The front and rear cylinder blocks 30a and 30b, the front housing 10, and the rear housing 20 are combined by fastening bolts to form an overall compressor.

FIG. 2 is an exploded perspective view showing the configuration of the valve assembly interposed between the cylinder block 30 and the front and rear housings 10 and 20. As shown, the valve assembly 40 for controlling the flow of the refrigerant between the suction chamber 10b and the discharge chamber 10a and the cylinder bore 31 between the front housing 10 and the front cylinder block 30a. ) Is provided. That is, the valve assembly 40 controls the refrigerant flow from the suction chamber 10b to the cylinder bore 31 and the cylinder bore 31 to the discharge chamber 10a according to the pressure change in the cylinder bore 31. do.

The valve assembly 40 is provided with a valve plate 45. The valve plate 45 is formed of a metal material of steel, and as shown in FIG. 2, is formed in a substantially disc shape. The valve plate 45 is formed with a discharge hole 45b and a suction hole 45a at positions corresponding to the respective cylinder bores 31.

Both side surfaces of the valve plate 45 are provided with a suction lead plate 47 and a discharge lead 43. The suction lead plate 47 and the discharge lead 43 are elastically deformable materials and elastically deform according to the internal pressure of the cylinder bore 31 to open and close the suction hole 45b and the discharge hole 45a. Do it.

Figure 3 shows the configuration of the suction lead plate in a plan view. As shown in the drawing, the suction lead plate 47 has a substantially disc shape, and a through hole 41h is formed at the center thereof, and a flipper 47a is formed at a position corresponding to the suction hole 45a. The flipper 47a is elastically deformed to selectively open and close the suction hole 45a.

Referring back to FIG. 2, a head gasket 41 is provided on one surface of the valve plate 45 facing the front housing 10. The head gasket 41 has a substantially disc shape, and serves to prevent leakage of refrigerant between the front housing 10 and the valve plate 45. The head gasket 41 penetrates through a center thereof. The ball 41h is formed. The through hole 41h is installed through the rotation shaft 50 to be described below.

A suction gasket 49 is provided on one surface of the valve plate 45 facing the front cylinder block 30a. The suction gasket 49 has a substantially disc shape, and serves to prevent the refrigerant from leaking between the front housing 10 and the front cylinder block 30a. The suction gasket 49 has a substantially disc shape, and a rubber material is coated on a thin metal plate.

Referring back to FIG. 1, a rotating shaft 50 penetrating the front housing 10 and the cylinder block 30 to transmit the rotational force of the engine is rotatably installed. The rotating shaft 50 is installed to pass through the shaft support hole 28 formed in the central portion of the cylinder block 30.

A swash plate 70 having a predetermined inclination angle with respect to the rotating shaft 50 is installed in the middle portion of the rotating shaft 50, and the swash plate 70 is coupled to rotate together with the rotation of the rotating shaft 50. The swash plate 70 is assembled to be located in the swash plate chamber P formed inside the central portion where the front and rear cylinder blocks are coupled to each other. The center of the swash plate 70 is provided with a hub 74 has a cylindrical shape through which the rotary shaft 50 is coupled.

According to the compressor having such a configuration, the valve assembly 40 is provided with various parts such as a suction gasket 49 for preventing the leakage of the refrigerant, and as the number of parts increases, the cost of the product is increased. A problem occurs.

In addition, as the number of parts increases, a process required for assembling the parts becomes complicated, and thus, a cycle time required for assembling the compressor increases, resulting in an increase in manufacturing cost.

The present invention is to solve the above problems, by integrating the suction gasket for preventing the leakage of the refrigerant and the suction lead plate for selectively communicating the refrigerant moving in the cylinder bore in the suction chamber, reducing the number of parts Accordingly, to provide a compressor to simplify the process for assembly of parts to reduce the manufacturing cost.

The present invention is a cylinder block for forming a plurality of cylinder bores for the compression of the refrigerant, the front and rear housings are coupled to the front and rear of the cylinder block, the suction chamber and the discharge chamber is formed in communication with the cylinder bore therein, A valve assembly interposed between the cylinder block and the front and rear housings to selectively communicate the cylinder bore with the suction chamber and the discharge chamber, wherein the valve assembly 140 is in accordance with an internal pressure of the cylinder bore 131. Technical features of the present invention include a suction lead plate in which the refrigerant is selectively moved from the suction chamber 110b to the cylinder bore 131, and sealing means integrally prevent the leakage of the refrigerant.

In an embodiment, the sealing means may be a rubber member coded on a surface corresponding to the cylinder block of the suction lit plate.

According to the present invention as described above, by integrating the function of the suction gasket to prevent the leakage of refrigerant to the suction lead plate, the effect of reducing the number of parts used in the compressor occurs.

As such, as the number of parts used in the compressor is reduced, the process for assembling parts can be simplified, and the manufacturing cost required for product production can be reduced.

1 is a cross-sectional view showing the configuration of a compressor according to the prior art,
2 is an exploded perspective view showing a configuration of a valve assembly according to the prior art;
3 is a plan view showing the configuration of the suction lead plate according to the prior art,
4 is a cross-sectional view showing the configuration of a compressor according to the present invention;
5 is an exploded perspective view showing a configuration of a valve assembly according to the present invention;
6 is a plan view showing the configuration of the suction lead plate according to the present invention.

Hereinafter, preferred embodiments of the compressor according to the present invention will be described in detail with reference to the accompanying drawings.

Figure 4 is a cross-sectional view showing the configuration of the compressor according to the invention, Figure 5 is an exploded perspective view showing the configuration of the valve assembly according to the present invention, Figure 6 is a suction lead according to the present invention A plan view showing the construction of the plate is shown.

As shown in FIG. 1, the compressor according to the present invention includes a cylinder block 130 having a plurality of cylinder bores 131 therein, and a front housing 110 coupled to the front of the cylinder block 130. , And a rear housing 120 coupled to the rear of the cylinder block 130, and a valve assembly 140 interposed between the cylinder block 130 and the front and rear housings 110 and 120, respectively.

The cylinder block 130 is formed by combining the front cylinder block 130a and the rear cylinder block 130b which are formed substantially symmetrically with each other. In addition, a plurality of cylinder bores 131 are arranged in a circle along the edge of the front and rear cylinder blocks. The cylinder bore 131 is formed in a cylindrical shape as a space for compressing the refrigerant.

The front housing 110 is coupled to the front of the front cylinder block 130a. The rear surface of the front housing 110 is concave, and the concave portion is combined with the front housing 110 to form the suction chamber 110b and the discharge chamber 110a. In addition, the rear housing 120 is coupled to the rear of the rear cylinder block 130b. The front surface of the rear housing 120 is formed concave, and the concave portion is combined with the rear housing 120 to form the suction chamber 120b and the discharge chamber 120a. The front and rear cylinder blocks 130a and 30b, the front housing 110, and the rear housing 120 are combined by a fastening bolt B 'to form an overall compressor.

The valve assembly 140 is disposed between the front housing 110 and the front cylinder block 130a and between the rear housing 120 and the rear cylinder block 130b. According to the pressure change inside the cylinder bore 131, the suction chamber 110b and the discharge chamber 110a are selectively communicated with the cylinder bore 131 by the valve assembly 140.

Referring to FIG. 5, the valve assembly 140 includes a valve plate 145. The valve plate 145 is formed of a metal material of steel, and is formed in a substantially disc shape. The valve plate 145 is formed with a discharge hole 145b and a suction hole 145a at positions corresponding to the respective cylinder bores 131. The discharge hole 145b and the suction hole 145a are formed at positions corresponding to the discharge chamber 110a and the suction chamber 110b.

Both side surfaces of the valve plate 145 are provided with a suction lead plate 147 and a discharge lead 143. The suction lead plate 147 and the discharge lead 143 are elastically deformable materials and are elastically deformed according to the internal pressure of the cylinder bore 131 to open and close the suction hole 145b and the discharge hole 145a. Do it.

6 is a plan view showing the configuration of the suction lead plate according to the present invention. FIG. 6 corresponds to a plan view on the opposite side of the plane shown in FIG. 5. As shown in the figure, the suction lead plate 147 is formed in a substantially disk shape. A through hole 147h is formed in the central portion of the suction lead plate 147, and the rotating shaft 150 to be described later is coupled to the through hole 147h.

A flipper 147a is formed at an edge of the suction lead plate 147, that is, a position corresponding to the suction hole 145a. The flipper 147a is formed by cutting a portion of the suction lead plate 147 into a fin shape, and the flipper 147a elastically deforms according to a pressure change in the cylinder bore 131, and the cylinder bore 131. And the suction chamber 110b are selectively communicated.

In other words, when the pressure inside the cylinder bore 131 is lowered, the flipper 147a is elastically deformed toward the cylinder bore 131. At this time, the suction chamber 110b and the cylinder bore 131. ) Is communicated with each other so that the refrigerant in the suction chamber 110b moves to the cylinder bore 131.

The suction lead plate 147 is formed in a thin disk shape of a metal material, and is coated with a rubber material on the outside. However, not all portions of the suction lead plate 147 are rubber coated. The uncoated portion 147c corresponding to the cylinder bore 131 is not rubber coated on the surface facing the front cylinder block 130a, but rubber coated only on the remaining portion.

As such, by partially rubber coating the suction lead plate 147, the suction lead plate 147 prevents the refrigerant from flowing out between the front cylinder block 130a and the front housing 110. Since the rubber coating is not performed around the flipper 147a formed at the position corresponding to the cylinder bore 131, the suction lead plate 147 selectively selects the cylinder bore 131 and the suction chamber 110b. It will be possible to perform all the functions that enable communication.

That is, by implementing the function of the suction gasket conventionally used to prevent the leakage of the refrigerant to the suction lead plate 147 it is possible to reduce the number of components used in the compressor. In addition, as the number of parts is reduced as described above, the cost of parts of the compressor is reduced, and the product cost is reduced by simplification of the required process according to the parts assembly.

Referring back to FIG. 4, a rotating shaft 150 penetrating the front and rear housings 110 and 120 and the front and rear cylinder blocks 130a and 130b to transmit the rotational force of the engine is rotatably installed. The rotation shaft 150 is installed to pass through the shaft support hole 128 formed in the center portion of the front cylinder block 130.

The swash plate 170 having a predetermined inclination angle with respect to the rotating shaft 150 is installed in the middle portion of the rotating shaft 150, the swash plate 170 is coupled to rotate together in accordance with the rotation of the rotating shaft 150. The swash plate 170 is assembled so as to be located in the swash plate chamber (P) formed inside the central portion where the front and rear cylinder blocks are coupled to each other. A hub 174 is provided in a cylindrical shape at the center of the swash plate 170 and penetrates through the center thereof to couple the rotating shaft 150.

The rights of the present invention are not limited to the embodiments described above, but are defined by the claims, and it is understood that those skilled in the art can make various modifications and adaptations within the scope of the claims. Self-explanatory

110: front housing 110a: discharge chamber
110b: Suction chamber 120: Rear housing
120a: discharge chamber 130: cylinder block 131: cylinder bore 140: valve assembly 147: suction lead plate 147c: uncoated portion
150: rotating shaft 160: piston 170: swash plate 174: hub 175: bearing

Claims (2)

A cylinder block 130 having a plurality of cylinder bores 131 for compressing the refrigerant;
Front and rear housings 110 and 120 coupled to the front and rear of the cylinder block 130 and having an intake chamber 110b and a discharge chamber 110a communicating therein with the cylinder bore 131 therein;
A valve assembly 140 interposed between the cylinder block 130 and the front and rear housings 110 and 120 to selectively communicate the cylinder bore 131 with the suction chamber 110b and the discharge chamber 110a,
The valve assembly 140, the sealing means for selectively moving the refrigerant from the suction chamber (110b) to the cylinder bore 131 in accordance with the internal pressure of the cylinder bore 131, the sealing means for preventing the leakage of the refrigerant is Compressor comprising a suction lead plate (147) formed integrally. The method of claim 1, wherein the sealing means,
Compressor characterized in that the rubber member is coded on the surface corresponding to the cylinder block 130 of the suction lead plate (147).
KR1020110051753A 2011-05-31 2011-05-31 Compressor KR20120133205A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020110051753A KR20120133205A (en) 2011-05-31 2011-05-31 Compressor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020110051753A KR20120133205A (en) 2011-05-31 2011-05-31 Compressor

Publications (1)

Publication Number Publication Date
KR20120133205A true KR20120133205A (en) 2012-12-10

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ID=47516614

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020110051753A KR20120133205A (en) 2011-05-31 2011-05-31 Compressor

Country Status (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160040934A (en) 2014-10-06 2016-04-15 한온시스템 주식회사 Control device for compression amount of swash plate type compressor
KR20190131786A (en) * 2018-05-17 2019-11-27 엘지전자 주식회사 Compressor having one piece-type valve sheet and stopper sheet
KR20190134054A (en) * 2018-05-24 2019-12-04 엘지전자 주식회사 Scroll compressor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160040934A (en) 2014-10-06 2016-04-15 한온시스템 주식회사 Control device for compression amount of swash plate type compressor
KR20190131786A (en) * 2018-05-17 2019-11-27 엘지전자 주식회사 Compressor having one piece-type valve sheet and stopper sheet
KR20190134054A (en) * 2018-05-24 2019-12-04 엘지전자 주식회사 Scroll compressor

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