KR200396329Y1 - Air compressor - Google Patents

Air compressor Download PDF

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Publication number
KR200396329Y1
KR200396329Y1 KR20-2005-0019992U KR20050019992U KR200396329Y1 KR 200396329 Y1 KR200396329 Y1 KR 200396329Y1 KR 20050019992 U KR20050019992 U KR 20050019992U KR 200396329 Y1 KR200396329 Y1 KR 200396329Y1
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KR
South Korea
Prior art keywords
piston
compression chamber
air
valve
cylinder
Prior art date
Application number
KR20-2005-0019992U
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Korean (ko)
Inventor
정태균
엄문성
Original Assignee
엄문성
정태균
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Priority to KR20-2005-0019992U priority Critical patent/KR200396329Y1/en
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Publication of KR200396329Y1 publication Critical patent/KR200396329Y1/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
    • 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
    • F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
    • F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
    • 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
    • F04B39/0005—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 adaptations of pistons
    • 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
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
    • 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
    • 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

Abstract

본 고안에 따른 공기조화기는 내부에 압축실이 마련되도록 헤드부와 중공을 구비한 몸체부로 이루어지는 실린더와, 직류 모터에 연결되어 압축실을 왕복 운동하는 피스톤과, 피스톤의 헤드에 마련되어 피스톤의 하강시 외부 공기가 압축실로 유입되도록 개방되는 흡입 밸브와, 실린더의 헤드부와 몸체부 사이에 개재되는 밸브 플레이트에 마련되어 피스톤의 상승시 압축실의 공기가 외부로 토출되도록 개방되는 토출 밸브를 포함하는 공기 압축기에 있어서, 흡입 및 토출 밸브는 박판 형상의 탄성금속편으로 이루어지며 리벳, 볼트, 솔더링에 의해 고정되기 때문에, 구조가 단순하여 내구성이 우수할 뿐만 아니라 흡입 및 토출되는 공기의 흐름에 따른 작동성도 우수하다. The air conditioner according to the present invention is provided with a cylinder comprising a head portion and a body having a hollow so that a compression chamber is provided therein, a piston connected to a direct current motor to reciprocate the compression chamber, and provided at the head of the piston when the piston descends. An air compressor including a suction valve which is opened to allow external air to flow into the compression chamber, and a discharge valve which is provided on a valve plate interposed between the head and the body of the cylinder to open the air in the compression chamber to the outside when the piston is raised In the inlet and outlet valve is made of a thin plate-like elastic metal piece and is fixed by rivets, bolts, soldering, the structure is simple, not only excellent durability, but also excellent operability according to the flow of air sucked and discharged .

Description

공기 압축기{Air compressor}Air compressor

본 고안은 공기 압축기에 관한 것으로서, 더욱 상세하게는 공기 압축기에 이용되는 흡입 및 토출 밸브에 관한 것이다.The present invention relates to an air compressor, and more particularly to an intake and discharge valve used in the air compressor.

일반적으로 트럭과 같은 대형차에는 대부분 공기 압축기가 구비되어 휠의 제동이나 타이어 공기 보충 및 청소용 에어건 등으로 이용되고 있다.In general, large vehicles such as trucks are provided with air compressors, and are used for braking wheels, refilling tires, and cleaning air guns.

이러한 공기압축기는 내부에 압축실이 형성된 실린더와, 모터 또는 차량의 동력기관에 의해 구동되어 실린더 내의 압축실을 왕복하면서 압축 공기를 발생시키는 피스톤과, 이 피스톤의 왕복운동에 따라 개폐되는 흡입 및 토출 밸브로 이루어진다.Such an air compressor includes a cylinder having a compression chamber formed therein, a piston driven by a motor or a power engine of a vehicle to generate compressed air while reciprocating the compression chamber in the cylinder, and suction and discharge which are opened and closed according to the reciprocating motion of the piston. It consists of a valve.

도 1은 통상적으로 실린더 내부에 마련되는 밸브의 일례로서 실린더 헤드에 마련되는 토출 밸브를 도시한 것이다. 종래의 토출 밸브(1)는 고정브라켓(2)의 관통공(3)에 형성된 밸브실 내에 마련되며, 밸브실에는 탄성스프링(4)에 의해 지지되는 패킹부재(5) 및 통공이 형성된 와셔(6)가 구비된다. 그래서, 미도시된 피스톤의 토출 행정시 공기압에 의해 패킹부재(5)가 탄성스프링(4)을 가압함으로써 관통공(3)이 개방되도록 한다.1 illustrates a discharge valve provided in a cylinder head as an example of a valve that is typically provided inside a cylinder. The conventional discharge valve 1 is provided in a valve chamber formed in the through hole 3 of the fixing bracket 2, and the packing member 5 and the washer having a through hole are supported by the elastic spring 4 in the valve chamber. 6) is provided. Thus, the packing member 5 presses the elastic spring 4 by the air pressure during the discharge stroke of the piston (not shown) so that the through hole 3 is opened.

그런데, 상기와 같은 구조를 가지는 종래의 토출 밸브(1)는 패킹부재(5)가 연질의 고무 또는 합성수지로 이루어졌기 때문에, 장시간 사용될 경우에는 열변형이 발생하여 휘거나 또는 관통공(3)에 눌러 붙는 현상이 발생하여 밸브(1)의 개폐동작이 제대로 행해지지 않는 경우가 종종 발생하는 문제점이 있었다.However, in the conventional discharge valve 1 having the above structure, since the packing member 5 is made of soft rubber or synthetic resin, when it is used for a long time, thermal deformation occurs due to the bending or the through hole 3. There was a problem that often occurs when the opening and closing operation of the valve 1 is not performed properly because the phenomenon occurs by pressing.

본 고안은 상기의 문제점을 해결하기 위한 것으로서, 본 고안의 목적은 구조를 단순화하여 내구성을 향상시킴과 동시에 작동성이 우수해지도록 한 흡입 및 토출 밸브를 구비한 공기조화기를 제공하는 데 있다.The present invention is to solve the above problems, an object of the present invention is to provide an air conditioner having a suction and discharge valve to simplify the structure to improve durability and at the same time excellent operability.

상기 목적을 달성하기 위한 본 고안에 따른 공기조화기는 내부에 압축실이 마련되도록 헤드부와 중공을 구비한 몸체부로 이루어지는 실린더와, 직류 모터에 연결되어 압축실을 왕복 운동하는 피스톤과, 피스톤의 헤드에 마련되어 피스톤의 하강시 외부 공기가 압축실로 유입되도록 개방되는 흡입 밸브와, 실린더의 헤드부와 몸체부 사이에 개재되는 밸브 플레이트에 마련되어 피스톤의 상승시 압축실의 공기가 외부로 토출되도록 개방되는 토출 밸브를 포함하는 공기 압축기에 있어서, 흡입 및 토출 밸브는 박판 형상의 탄성금속편으로 이루어지며 리벳, 볼트, 솔더링에 의해 고정된다. An air conditioner according to the present invention for achieving the above object is a cylinder consisting of a head portion and a body portion having a hollow to provide a compression chamber therein, a piston connected to a direct current motor to reciprocate the compression chamber, and the head of the piston A suction valve provided in the inlet valve and opened to allow external air to flow into the compression chamber when the piston descends, and a valve plate interposed between the head and the body of the cylinder to open the air to the outside of the compression chamber when the piston rises. In the air compressor including the valve, the intake and discharge valve is made of a thin plate-like elastic metal piece is fixed by rivets, bolts, soldering.

이하 본 고안의 바람직한 실시예에 따른 공기조화기를 첨부된 도면을 참조하여 상세히 설명하기로 한다.Hereinafter, an air conditioner according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

도 2는 본 고안에 따른 공기조화기를 도시한 분해 사시도이며, 도 3은 도 2의 결합 단면도이다.Figure 2 is an exploded perspective view showing an air conditioner according to the present invention, Figure 3 is a cross-sectional view of the combination of FIG.

도면을 참조하면, 본 고안의 공기조화기는 내부에 압축실(P)이 마련되어 있는 실린더(10)와, 실린더(10)의 압축실(P)을 왕복 운동하는 피스톤(20)과, 피스톤(20)의 왕복 운동에 따라 선택적으로 개폐되는 흡입 및 토출 밸브(30, 40)를 구비한다. Referring to the drawings, the air conditioner of the present invention has a cylinder 10 having a compression chamber P therein, a piston 20 for reciprocating the compression chamber P of the cylinder 10, and a piston 20 Suction and discharge valves 30 and 40 that are selectively opened and closed according to the reciprocating motion.

실린더(10)는 내부에 압축실(P)을 형성할 수 있도록 몸체부(12)와 헤드부(16)로 이루어지며, 외부에 열 발산이 용이하도록 요철을 구비한다. 그리고, 몸체부(12)는 내부에 원통형의 중공(14)을 구비하며, 헤드부(16)는 몸체부(12)의 개방된 일측에 밀폐 결합된다. Cylinder 10 is composed of a body portion 12 and the head portion 16 to form a compression chamber (P) therein, and is provided with irregularities to facilitate heat dissipation to the outside. And, the body portion 12 has a cylindrical hollow 14 therein, the head portion 16 is hermetically coupled to the open one side of the body portion 12.

피스톤(20)은 상기 실린더 몸체부(12)의 개방된 타측에 슬라이딩 왕복 가능하게 마련되어 실린더(10)와 압축실(P)을 형성한다. 그리고, 커넥팅로드(24) 및 캠(26)에 의해 직류모터 또는 차량의 동력기관과 연동되도록 결합되어 있다. The piston 20 is slidably reciprocated on the other open side of the cylinder body 12 to form the cylinder 10 and the compression chamber P. The connecting rod 24 and the cam 26 are coupled to interlock with a direct current motor or a power engine of the vehicle.

흡입 밸브(30)는 상기 피스톤(20)의 헤드(22)에 관통 형성된 흡입공(23)을 선택적으로 개폐할 수 있도록 마련된다. 그래서, 직선 왕복 운동하는 피스톤(20)의 하강시 즉, 압축실(P)에 흡입 행정이 이루어질 때 개방됨으로써 압축실(P)로 외부 공기가 유입될 수 있도록 한다.The suction valve 30 is provided to selectively open and close the suction hole 23 formed through the head 22 of the piston 20. Thus, when the piston 20 linearly reciprocates, that is, when the suction stroke is made to the compression chamber P, the air is opened to allow the external air to flow into the compression chamber P.

토출 밸브(40)는 실린더의 몸체부(12)와 헤드부(16) 사이에 마련되는 밸브 플레이트(18)의 토출공(19a)을 선택적으로 개폐할 수 있도록 밸브 플레이트(18) 상에 마련된다. 그래서, 피스톤(20)의 상승시 즉, 압축실(P)에 토출 행정이 이루어질 때 개방됨으로써 압축실(P)의 압축된 공기가 외부로 방출될 수 있도록 한다. The discharge valve 40 is provided on the valve plate 18 so as to selectively open and close the discharge hole 19a of the valve plate 18 provided between the body portion 12 and the head portion 16 of the cylinder. . Thus, when the piston 20 rises, that is, when a discharge stroke is made to the compression chamber P, the air is compressed so that the compressed air of the compression chamber P can be discharged to the outside.

상기 흡입 및 토출 밸브(30, 40)는 박판 형상의 탄성편(32, 42)으로 이루어진다. 탄성편(32, 42)은 금속 재질로 이루어지는데, 바람직하게는 탄성력이 우수한 스프링강이 이용가능 하다. 탄성편(32, 42)의 고정은 핀(34, 44)으로 이루어지며, 예를 들어 토출공(19a)에 인접하게 형성된 홀(19b)에 리벳(44)을 코킹하는 방식으로 고정할 수 있다. 이러한 고정 방식은 일 실시예에 불과하며, 기타 볼트 결합이나 솔더링 등 다른 방식도 채용가능하다. The suction and discharge valves 30 and 40 are formed of thin elastic pieces 32 and 42. The elastic pieces 32 and 42 are made of a metal material, and preferably, spring steel having excellent elastic force is available. The fixing of the elastic pieces 32 and 42 is made of pins 34 and 44, and can be fixed by, for example, caulking the rivet 44 to a hole 19b formed adjacent to the discharge hole 19a. . This fixing method is only one embodiment, and other methods such as bolting and soldering may be employed.

그러면 상기와 같은 구조를 가지는 공기조화기의 동작에 대해 살펴보기로 한다.Next, the operation of the air conditioner having the above structure will be described.

외부의 직류모터 및 엔진 구동장치가 작동되면, 구동축에 연결된 캠(26)이 회전하면서 커넥팅로드(24)가 직선 왕복 운동하게 되고, 그 결과 커넥팅로드(24)의 선단에 마련된 피스톤(20)이 실린더(10)의 압력실(P)을 슬라이딩 왕복 운동하게 되고, 피스톤(20)의 왕복 운동에 따라 밸브(30, 40)들이 선택적으로 개폐된다.When the external DC motor and the engine driving device are operated, the connecting rod 24 linearly reciprocates while the cam 26 connected to the drive shaft rotates, and as a result, the piston 20 provided at the tip of the connecting rod 24 is A sliding reciprocating motion of the pressure chamber P of the cylinder 10 is performed, and valves 30 and 40 are selectively opened and closed according to the reciprocating motion of the piston 20.

예컨대, 도 3과 같이 피스톤(20)이 하강할 경우에는, 피스톤 헤드(22)에 마련되어 있는 흡입 밸브(30)는 흡입되는 외부 공기압에 의해 개방되고, 실린더 헤드(16)의 밸브 플레이트(18)에 마련되는 토출 밸브(40)는 밀폐된다. For example, when the piston 20 descends as shown in FIG. 3, the suction valve 30 provided in the piston head 22 is opened by the external air pressure to be sucked in, and the valve plate 18 of the cylinder head 16 is opened. Discharge valve 40 provided in the is sealed.

반대로, 도 4와 같이 피스톤(20)이 상승할 경우에는, 피스톤 헤드(22)에 마련되어 있는 흡입 밸브(30)는 밀폐되고, 밸브 플레이트(18)에 마련되어 있는 토출 밸브(40)는 압축실(P)의 압축된 공기에 의해 개방되어 실린더 헤드(16)의 배출공(17)을 통해 압축된 공기가 외부로 방출되도록 한다. On the contrary, when the piston 20 rises as shown in FIG. 4, the intake valve 30 provided in the piston head 22 is sealed, and the discharge valve 40 provided in the valve plate 18 is compressed in the compression chamber ( It is opened by the compressed air of P) to allow the compressed air to be discharged to the outside through the discharge hole 17 of the cylinder head 16.

이상 상세히 설명한 바와 같이, 본 고안에 따른 공기조화기는 흡입 및 토출 밸브가 박막 형상의 금속탄성편과 리벳으로 이루어지기 때문에 구조가 단순하여 내구성이 우수할 뿐만 아니라, 흡입되거나 토출되는 공기의 흐름에 따라 작동성도 우수하다. As described in detail above, the air conditioner according to the present invention is not only excellent in durability because the intake and discharge valve is made of a thin metal elastic piece and rivets, but also in accordance with the flow of air sucked or discharged It also has excellent operability.

도 1은 종래의 공기압축기에 이용되는 토출 밸브를 도시한 도면이다.1 is a view showing a discharge valve used in a conventional air compressor.

도 2는 본 고안에 따른 공기 압축기를 도시한 분해 사시도이다.2 is an exploded perspective view showing an air compressor according to the present invention.

도 3 및 도 4는 본 고안에 따른 공기 압축기의 동작 상태를 설명하기 위한 결합단면도이다.3 and 4 are combined cross-sectional view for explaining the operating state of the air compressor according to the present invention.

*도면 주요 부분에 대한 부호의 설명** Description of the symbols for the main parts of the drawings *

10..실린더 20..피스톤10. Cylinder 20. Piston

30..흡입 밸브 40..토출 밸브30..Suction valve 40..Discharge valve

Claims (3)

내부에 압축실이 마련되도록 헤드부와 중공을 구비한 몸체부로 이루어지는 실린더와, A cylinder comprising a head part and a body part having a hollow so that a compression chamber is provided therein; 직류 모터에 연결되어 상기 압축실을 왕복 운동하는 피스톤과, A piston connected to a direct current motor for reciprocating the compression chamber, 상기 피스톤의 헤드에 마련되어, 피스톤의 하강시 외부 공기가 상기 압축실로 유입되도록 개방되는 흡입 밸브와,A suction valve provided in the head of the piston and opened to allow external air to flow into the compression chamber when the piston descends; 상기 실린더의 헤드부와 몸체부 사이에 개재되는 밸브 플레이트에 마련되어,상기 피스톤의 상승시 압축실의 공기가 외부로 토출되도록 개방되는 토출 밸브를 포함하는 공기 압축기에 있어서,In the air compressor including a discharge valve provided on the valve plate interposed between the head portion and the body portion of the cylinder, when the piston rises so that the air of the compression chamber is discharged to the outside, 상기 흡입 및 토출 밸브는 박판 형상의 탄성편으로 이루어지는 것을 특징으로 하는 공기 압축기.The air compressor, characterized in that the intake and discharge valve made of a thin plate-shaped elastic piece. 제 1항에 있어서,The method of claim 1, 상기 탄성편은 금속 재질로 이루어지는 것을 특징으로 하는 공기 압축기.The elastic piece is an air compressor, characterized in that made of a metal material. 제 1항 또는 제 2항에 있어서,The method according to claim 1 or 2, 상기 탄성편은 리벳, 볼트, 솔더링에 의해 고정되는 것을 특징으로 하는 공기 압축기.The elastic piece is an air compressor, characterized in that fixed by rivets, bolts, soldering.
KR20-2005-0019992U 2005-07-08 2005-07-08 Air compressor KR200396329Y1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101285340B1 (en) 2012-05-22 2013-07-11 주식회사 지엔엠텍 Oilless type air compressor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101285340B1 (en) 2012-05-22 2013-07-11 주식회사 지엔엠텍 Oilless type air compressor

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