KR0135593Y1 - Fluid mixing device of control valve - Google Patents
Fluid mixing device of control valve Download PDFInfo
- Publication number
- KR0135593Y1 KR0135593Y1 KR2019940006755U KR19940006755U KR0135593Y1 KR 0135593 Y1 KR0135593 Y1 KR 0135593Y1 KR 2019940006755 U KR2019940006755 U KR 2019940006755U KR 19940006755 U KR19940006755 U KR 19940006755U KR 0135593 Y1 KR0135593 Y1 KR 0135593Y1
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- KR
- South Korea
- Prior art keywords
- control valve
- actuator
- port
- flow
- control valves
- Prior art date
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/0401—Valve members; Fluid interconnections therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20576—Systems with pumps with multiple pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/405—Flow control characterised by the type of flow control means or valve
- F15B2211/40576—Assemblies of multiple valves
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
본 고안은 적어도 2 개 이상의 메인펌프가 구비되고 필요에 따라 각 메인펌프로 부터의 유량을 합류하여 액튜에이터로 공급하는 콘트롤밸브에 적용되는 유량합류장치에 관한 것으로, 적어도 2 개 이상의 펌프로부터의 유량을 합류하여 액튜에이터에 공급하는 적어도 2 개 이상의 콘트롤밸브에 적용되며, 상기 각 콘트롤밸브의 사이에 상기 각 콘트롤밸브의 측면과 접촉되도록 설치되는 접속판과, 상기 각 콘트롤밸브 및 상기 접속판을 관통하며 상기 각 콘트롤밸브의 각 출력포트를 서로 연통하는 유로를 구비하며, 상기 각 콘트롤밸브의 상기 출력포트 중 어느 하나가 상기 액튜에이터의 입력포트와 연통되고, 나머지 출력포트들은 폐쇄된다.The present invention relates to a flow rate confluence device, which is provided with at least two main pumps and, if necessary, merges the flow rates from each main pump and supplies them to the actuator. Applied to at least two or more control valves joined and supplied to the actuator, the connecting plate is installed between the control valves to be in contact with the side of the control valve, and through the control valve and the connecting plate Each output port of each control valve is provided with a flow path communicating with each other, one of the output port of each control valve is in communication with the input port of the actuator, the remaining output ports are closed.
Description
제1도는 종래의 콘트롤밸브를 도시하는 단면도.1 is a cross-sectional view showing a conventional control valve.
제2도는 본 고안의 일실시예에 의한 콘트롤밸브의 유량합류장치를 도시하는 개략도.Figure 2 is a schematic diagram showing the flow rate confluence device of the control valve according to an embodiment of the present invention.
제3도는 본 고안의 일실시예에 의한 콘트롤밸브의 유량합류장치를 도시하는 단면도.3 is a cross-sectional view showing a flow rate confluence device of the control valve according to an embodiment of the present invention.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
P1, P2 : 메인펌프 2, 3 : 콘트롤밸브P1, P2: Main Pump 2, 3: Control Valve
4 : 접속판 5 : 유로4: connection board 5: euro
6 : 유압실린더6: hydraulic cylinder
본 고안은 콘트롤밸브(control valve)의 유량합류장치에 관한 것으로, 더 상세하게는 적어도 2 개 이상의 메인펌프(main pump)가 구비되고 필요에 따라 각 메인펌프로 부터의 유량을 합류하여 액튜에이터(actuator)로 공급하는 콘트롤밸브에 적용되는 유량합류장치에 관한 것이다.The present invention relates to a flow rate confluence device of a control valve, and more specifically, at least two main pumps (main pump) is provided, and the actuator by combining the flow rate from each main pump as necessary (actuator) It relates to a flow rate confluence device applied to the control valve to be supplied to).
일반적으로, 복수개의 메인펌프를 구비한 유압장치에서, 각 메인펌프로 부터의 유량을 합류하여 액튜에이터에 공급하기 위해서는, 각 메인펌프마다 구비된 복수개의 콘트롤밸브의 각 출력포트를 외부배관에 의해 서로 연결하여 각 메인펌프의 유량을 합류하고, 합류된 유량을 이 외부배관을 통해 액튜에이터의 입력포트로 공급하였다.In general, in a hydraulic apparatus having a plurality of main pumps, in order to join the flow rates from each main pump and supply them to the actuator, the output ports of the plurality of control valves provided for each main pump are mutually connected by external piping. The main flow was connected to each main pump, and the combined flow was supplied to the input port of the actuator through this external pipe.
즉, 제1도에 도시된 바와 같이, 펌프(P1)와 펌프(P2)에 각각 연결된 두 콘트롤밸브(101), (102)의 각 포트(B1), (A2)를 외부배관(103)에 의해 서로 연결하고, 이 두 포트(B1), (A2)로 부터 나오는 유량을 합류하여, 유압실린더(104)의 라지챔버(L: large chamber)에 공급하였다.That is, as shown in FIG. 1, the ports B1 and A2 of the two control valves 101 and 102 connected to the pump P1 and the pump P2, respectively, are connected to the external pipe 103. The flow rates from these two ports B1 and A2 were joined to each other, and were supplied to the large chamber L of the hydraulic cylinder 104.
그러나, 위와 같은 종래의 장치는 각 포트(B1), (A2)의 유량을 합류하기 위해 전술한 것과 같은 외부배관(103)이 필요하기 때문에, 설치공간이 많이 소요되고 구성이 복잡하게 된다는 단점이 있었으며, 합류포트의 수가 증가될수록 이러한 단점은 더욱 가중되었다. 또한, 배관중의 각 포트와의 접속부 및 분기점마다 적절한 접속구 및 분기구가 필요하게 되어, 제작코스트가 증가됨은 물론, 유압장치내에서의 취약부위가 다수 생기게 되는 문제점도 있었다.However, the conventional apparatus as described above requires an external pipe 103 as described above in order to join the flow rates of the respective ports B1 and A2, which requires a lot of installation space and complicated configuration. As the number of confluence ports increases, this disadvantage is exacerbated. In addition, an appropriate connection port and a branch port are required for each connection portion and branch point in the pipe, thereby increasing the manufacturing cost and also causing a large number of weak spots in the hydraulic system.
본 고안은 이와 같은 종래의 문제점을 해결하기 위한 것으로, 본 고안의 목적은 전술한 바와 같은 유량합류를 위한 외부배관이 제거됨으로써 설치공간이 적게 소요되고 유압시스템의 전체적인 구성이 간단하여지며 배관 접속부등의 취약부위가 발생되지 않으므로 내구성이 향상되는 콘트롤밸브의 유량합류장치를 제공하는 데에 있다.The present invention is to solve such a conventional problem, the purpose of the present invention is to eliminate the external pipe for the flow confluence as described above, the installation space is reduced, the overall configuration of the hydraulic system is simplified, piping connection, etc. It is to provide a flow rate confluence device of the control valve to improve the durability because the weak portion of the.
전술한 목적을 달성하기 위한 본 고안의 한 태양에 의하면, 적어도 2 개 이상의 펌프로부터의 유량을 합류하여 액튜에이터에 공급하는 적어도 2 개 이상의 콘트롤밸브에 적용되며, 상기 각 콘트롤밸브의 사이에 상기 각 콘트롤밸브의 측면과 접촉되도록 설치되는 접속판과, 상기 각 콘트롤밸브 및 상기 접속판을 관통하며 상기 각 콘트롤밸브의 각 출력포트를 서로 연통하는 유로를 구비하며, 상기 각 콘트롤밸브의 상기 출력포트 중 어느 하나가 상기 액튜에이터의 입력포트와 연통되고, 나머지 출력포트들은 폐쇄되는 것을 특징으로 하는 콘트롤밸브의 유량합류장치가 제공된다.According to one aspect of the present invention for achieving the above object, it is applied to at least two or more control valves for joining the flow rate from at least two or more pumps to supply to the actuator, wherein each control between each control valve A connection plate installed to be in contact with a side surface of the valve, and a flow passage passing through each of the control valve and the connection plate and communicating with each output port of each of the control valves, wherein any one of the output ports of each of the control valves is provided. Provided is a flow confluence device for a control valve, characterized in that one is in communication with the input port of the actuator and the other output ports are closed.
이와 같이 구성된 본 고안의 콘트롤밸브는, 종래기술에서의 외부배관에 해당하는 구성요소가 전술한 접속판에 의해 대체됨에 따라, 구성이 간단하고 설치공간이 적게 소요됨은 물론 장치의 내구성도 크게 향상될 수 있다.The control valve of the present invention configured as described above, as the components corresponding to the external piping in the prior art is replaced by the aforementioned connection plate, the configuration is simple and requires less installation space, as well as greatly improve the durability of the device. Can be.
이하, 첨부도면을 참조하여 본 고안의 바람직한 실시예를 설명한다.Hereinafter, with reference to the accompanying drawings will be described a preferred embodiment of the present invention.
본 실시예의 콘트롤밸브는, 제2도에 도시된 바와 같이, 두 개의 메인펌프(P1), (P2)와 대응하는 각 콘트롤밸브(2),(3)의 사이에 이들의 측면과 접촉되도록 접속판(4)이 설치된다. 콘트롤밸브(2)의 출력포트인 포트(B1)와 콘트롤밸브(3)의 출력포트인 포트(A2)는 전술한 접속판(4)과 각 콘트롤밸브(2, 3)를 관통하는 유로(5)에 의해 서로 연통된다.As shown in FIG. 2, the control valve of the present embodiment is connected so as to be in contact with the side surfaces of the two main pumps P1 and P2 and the corresponding control valves 2 and 3, respectively. The plate 4 is installed. The port B1, which is the output port of the control valve 2, and the port A2, which is the output port of the control valve 3, pass through the connecting plate 4 and the control passages 2 and 3 described above. By communicating with each other.
도면부호 6은 유압실린더로써, 이 유압실린더(6)의 라지챔버(7)는 전술한 콘트롤밸브(3)의 포트(A2)와 배관(8)에 의해 연결되고, 스몰챔버(9)는 배관(10)에 의해 포트(B2)와 연결된다.Reference numeral 6 denotes a hydraulic cylinder, in which the large chamber 7 of the hydraulic cylinder 6 is connected to the port A2 of the control valve 3 described above by the pipe 8, and the small chamber 9 is piped. It is connected to the port B2 by (10).
제3도에서는 제2도에서의 각 콘트롤밸브(2), (3)의 단면도를 도시하고 있으며, 서로 연통된 두 포트(B1), (A2)중 나머지 한 포트(B1)는 플러그(11)에 의해 폐쇄된다. 도면 중 가상선으로 나타낸 부분은 콘트롤밸브(2)의 포트(B1)과 콘트롤밸브(3)의 포트(A2)를 서로 연통시키는 전술한 유로(5)를 표시한다.3 shows a cross-sectional view of the control valves 2 and 3 in FIG. 2, and the other one of the two ports B1 and A2 communicating with each other is a plug 11. Is closed by. In the figure, the part shown with the virtual line shows the above-mentioned flow path 5 which communicates the port B1 of the control valve 2 and the port A2 of the control valve 3 with each other.
위와 같이 구성된 본 실시예의 유량합류장치는, 전술한 유로(5)를 통해 각 메인펌프(P1), (P2)로부터의 유량이 합류된 후, 콘트롤밸브(3)의 포트(A2)와 배관(8)를 통해 유압실린더(6)의 라지챔버(7)속으로 공급되고, 이 때 스몰챔버(9)내의 오일은 배관(10)과 콘트롤밸브(3)의 포트(B2)를 통해 탱크(도시 없음)로 리턴된다.In the flow rate confluence device of the present embodiment configured as described above, after the flow rates from the main pumps P1 and P2 are joined through the flow path 5 described above, the port A2 of the control valve 3 and the pipe ( 8) is supplied into the large chamber 7 of the hydraulic cylinder (6), the oil in the small chamber (9) through the pipe (10) and the port (B2) of the control valve (3) None).
이상 설명한 바와 같이 본 고안의 유량합류장치는, 유량합류를 위한 외부배관이 제거됨으로써 설치공간이 적게 소요되고 유압시스템의 전체적인 구성이 간단하여지며 배관 접속부등의 취약부위가 발생되지 않으므로 내구성이 향상된다.As described above, the flow confluence device of the present invention eliminates external piping for confluence of flow, thereby requiring less installation space, simplifying the overall configuration of the hydraulic system, and improving durability because no weak spots such as piping connections are generated. .
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019940006755U KR0135593Y1 (en) | 1994-03-31 | 1994-03-31 | Fluid mixing device of control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019940006755U KR0135593Y1 (en) | 1994-03-31 | 1994-03-31 | Fluid mixing device of control valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR950027930U KR950027930U (en) | 1995-10-18 |
| KR0135593Y1 true KR0135593Y1 (en) | 1999-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019940006755U KR0135593Y1 (en) | 1994-03-31 | 1994-03-31 | Fluid mixing device of control valve |
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| Country | Link |
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| KR (1) | KR0135593Y1 (en) |
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1994
- 1994-03-31 KR KR2019940006755U patent/KR0135593Y1/en not_active IP Right Cessation
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| Publication number | Publication date |
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| KR950027930U (en) | 1995-10-18 |
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