Oil port flange quick-plug interface structure with oil collector

Abstract

The utility model discloses an oil port flange quick-plug interface structure with an oil collector, and belongs to the field of connecting piece interfaces. According to the technical scheme, the oil port flange quick-inserting connector structure with the oil collector comprises a hydraulic valve, the hydraulic valve is connected with an external oil way through a connecting piece, a hydraulic oil output oil way and a hydraulic oil recovery oil way are arranged between the hydraulic valve and the connecting piece, oil collecting parts are arranged on the two sides of the connecting piece, and the oil collecting parts are connected with the hydraulic valve through a connecting piece. A first oil collecting channel communicated with the oil collecting part and the hydraulic oil output oil way is arranged on one side of the connecting piece; according to the connecting piece, residual hydraulic oil in the connecting piece and the downstream channel of the connecting piece can enter the oil collecting part to be stored through the first oil collecting channel and the second oil collecting channel, the residual hydraulic oil in the connecting piece is prevented from flowing out in the connecting piece dismounting process, and on one hand, waste caused by seepage of the hydraulic oil is avoided; and secondly, the hydraulic oil can be prevented from dropping on clothes, skin and nearby ground of workers and being difficult to clean.

Description

Technical Field

[0001] The utility model belongs to the technical field of connector interfaces, and in particular relates to an oil port flange quick-insertion interface structure with an oil collector. Background Art

[0002] As an important control module of the hydraulic control system, the hydraulic valve has higher requirements in terms of installation, maintenance, adjustment and versatility. At present, the connection between the hydraulic valve and the oil cylinder is generally threaded and tightened with a wrench. This connection method not only causes wear on the working port of the valve body, but also makes the disassembly process very troublesome and the versatility of the valve is relatively low. Therefore, in order to solve this problem, new quick-connect connectors have appeared on the market, which not only improve the versatility of the valve, but also greatly improve the efficiency of disassembly and assembly, and increase the service life of the valve body.

[0003] The present invention proposes a new quick-connect connector flange with a replaceable oil collector. The interface is connected by a flange, which greatly improves the stability of the connection, and the use of quick-connect plugs improves the efficiency of replacing the oil port. When disassembling the oil port of a general quick-connect connector, some hydraulic oil residue will pollute the ground, cause harm to the environment, and affect the disassembly work. The present invention adds an oil collector. When disassembling the oil port, the switch of the oil collector is turned on, and the residual oil enters the oil collector through the pipeline, which reduces pollution to the environment and is more environmentally friendly. In addition, the oil collector is replaceable, which is more convenient to disassemble than the integral type. Utility Model Content

[0004] The utility model provides an oil port flange quick-insertion interface structure with an oil collector to solve at least one of the above technical problems.

[0005] The technical solution adopted by the utility model is:

[0006] A oil port flange quick-plug interface structure with an oil collector, comprising a hydraulic valve, wherein the hydraulic valve is connected to an external oil circuit via a connecting piece, a hydraulic oil output circuit and a hydraulic oil recovery circuit are provided between the hydraulic valve and the connecting piece, oil collecting parts are provided on both sides of the connecting piece, a first oil collecting channel connecting the oil collecting part and the hydraulic oil output circuit is provided on one side of the connecting piece, and a second oil collecting channel connecting the oil collecting part and the hydraulic oil recovery circuit is provided on the other side of the connecting piece, a first control valve for controlling the opening and closing of the first oil collecting channel is provided in the first oil collecting channel, and a second control valve for controlling the opening and closing of the second oil collecting channel is provided in the second oil collecting channel.

[0007] Preferably, the hydraulic valve comprises a valve housing, and a first oil circuit and a second oil circuit are provided on the valve housing.

[0008] Preferably, the connecting member has a third oil circuit connected to the first oil circuit and a fourth oil circuit connected to the second oil circuit, the first oil circuit and the third oil circuit are connected to form a hydraulic oil output circuit, and the second oil circuit and the fourth oil circuit are connected to form a hydraulic oil recovery circuit.

[0009] Preferably, the connecting member and the hydraulic valve are fixedly connected via a connecting assembly.

[0010] Preferably, the oil collecting portion comprises an oil collecting tank, and the oil collecting tank is arranged on both sides of the connecting member, and the two oil collecting tanks are respectively connected to the first oil collecting channel and the second oil collecting channel.

[0011] Preferably, the first control valve comprises a first valve stem, and the first valve stem is retractable so as to have a first position closing the first oil collecting channel and a second position opening the first oil collecting channel.

[0012] Preferably, the second control valve comprises a second valve stem, and the second valve stem is retractable so as to have a first position closing the second oil collecting channel and a second position opening the second oil collecting channel.

[0013] Preferably, the first control valve and the second control valve are both stop valves, and the stop valves are electrically driven and controlled.

[0014] Preferably, the connecting member is a flange structure, the flange is fixedly connected to the valve housing of the hydraulic valve by a plurality of bolts, and a sealing ring is provided between the flange and the valve housing of the hydraulic valve.

[0015] Preferably, an oil pump for pumping the hydraulic oil inside the oil collecting tank to the third oil circuit and / or the fourth oil circuit is provided in the oil collecting tank.

[0016] Due to the adoption of the above technical solution, the beneficial effects achieved by the utility model are as follows:

[0017] 1. In this application, when the hydraulic valve needs to be disassembled for maintenance, first ensure that the hydraulic valve is in a closed state, then control the first oil collection channel to be in an open state through the first control valve, and control the second oil collection channel to be in an open state through the second control valve, so that the hydraulic oil remaining in the hydraulic valve and the upstream and downstream channels of the hydraulic valve can enter the oil collection part through the first oil collection channel and the second oil collection channel for storage, so as to avoid the hydraulic oil remaining in the hydraulic valve from flowing out during the disassembly of the hydraulic valve, firstly, to avoid waste caused by hydraulic oil leakage, and secondly, to avoid hydraulic oil dripping on the clothes, skin, and nearby ground of the staff, which is difficult to clean. The hydraulic oil collected in the oil collection part can also flow back to the hydraulic system after the hydraulic valve is assembled, and be reused. When all the hydraulic oil in the oil collection part flows back to the hydraulic system, the first oil collection channel is controlled to be in a closed state through the first control valve, and the second oil collection channel is controlled to be in a closed state through the second control valve, so as to avoid the hydraulic oil in the hydraulic oil output oil circuit and the hydraulic oil recovery oil circuit from entering the first oil collection channel and the second oil collection channel to cause flow loss, thereby ensuring the sensitivity of the entire hydraulic drive system.

[0018] 2. As a preferred embodiment of the present invention, the flange can be designed into a rectangular or other non-circular structure, and the flange shape can be used to determine the installation position of the flange, thereby improving the installation efficiency. Connecting the flange to the hydraulic valve and the external oil circuit with bolts can improve the stability and mechanical strength of the connection, and the sealing effect of the connection can be increased by setting a sealing ring.

[0019] 3. As a preferred embodiment of the utility model, before the connecting piece is disassembled, the first oil collecting channel is converted from a closed state to an open state through the first control valve, and the second oil collecting channel is converted from a closed state to an open state through the second control valve. The hydraulic oil remaining in the inner cavity of the connecting piece enters the oil collecting tank for storage under the action of negative pressure. When the connecting piece is reinstalled on the hydraulic valve, the hydraulic oil in the oil collecting tank is pumped into the third oil circuit and / or the fourth oil circuit by starting the oil pump, so that the hydraulic oil collected in the oil collecting tank flows back to the hydraulic system, ensuring that the weight of the hydraulic oil in the hydraulic system does not decrease.

[0020] 4. As a preferred embodiment of the utility model, before the connector is disassembled, the first oil collecting channel is switched from a closed state to an open state through the first control valve, and the second oil collecting channel is switched from a closed state to an open state through the second control valve. The hydraulic oil remaining in the inner cavity of the connector enters the oil collecting tank for storage under the action of negative pressure, and the hydraulic oil entering the oil collecting tank directly flows back to the oil cavity of the hydraulic valve through the oil guide pipe. During the process, the total amount of hydraulic oil in the hydraulic system will not leak out due to the removal of the connector.

[0021] 5. As a preferred embodiment of the utility model, this assembly method makes the structure more compact and the layout more reasonable, which is conducive to improving the assembly efficiency of the whole machine and is suitable for mass production. The connecting parts can be designed according to different hydraulic valve models and external oil circuit interfaces, which greatly increases the adaptability range of the hydraulic valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a structural schematic diagram of a specific implementation method of the utility model.

[0023] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention.

[0024] In the attached picture:

[0025] 1. Hydraulic valve; 101. First oil circuit; 102. Second oil circuit; 2. Connector; 201. Flange; 202. Third oil circuit; 203. Fourth oil circuit; 3. Oil collecting tank; 4. First valve stem; 5. First oil collecting channel; 6. Second valve stem; 7. Second oil collecting channel. DETAILED DESCRIPTION

[0026] In order to more clearly illustrate the overall concept of the present invention, a detailed description is given below in the form of examples in conjunction with the accompanying drawings.

[0027] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present invention is not limited to the specific embodiments disclosed below.

[0028] In addition, in the description of the present invention, it should be understood that the terms "top", "bottom", "inside", "outside", "axial", "radial", "circumferential", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0029] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] In the present utility model, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "implementation method", "example", "one embodiment", "example" or "specific example" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0031] Reference Figure 1 A oil port flange quick-insert interface structure with an oil collector includes a hydraulic valve 1, the hydraulic valve 1 is connected to an external oil circuit via a connector 2, a hydraulic oil output circuit and a hydraulic oil recovery circuit are provided between the hydraulic valve 1 and the connector 2, oil collecting parts are provided on both sides of the connector 2, a first oil collecting channel 5 connecting the oil collecting part and the hydraulic oil output circuit is provided on one side of the connector 2, a second oil collecting channel 7 connecting the oil collecting part and the hydraulic oil recovery circuit is provided on the other side of the connector 2, a first control valve for controlling the opening and closing of the first oil collecting channel 5 is provided in the first oil collecting channel 5, and a second control valve for controlling the opening and closing of the second oil collecting channel 7 is provided in the second oil collecting channel 7.

[0032] It can be understood by those skilled in the art that the hydraulic valve 1 has the function of controlling the flow of hydraulic oil in the hydraulic oil circuit. During assembly, the connector 2 is connected and fixed to the hydraulic valve 1 through the connecting assembly, and the hydraulic valve 1 is connected to the external hydraulic oil circuit through the connector 2. When the oil pump outputs hydraulic oil to work, the hydraulic valve 1 is in an open state, and the hydraulic oil is discharged along the hydraulic oil output oil circuit of the hydraulic valve 1 and flows to the actuator through the external oil circuit. When the actuator is reset, the hydraulic oil in the external hydraulic oil circuit flows back to the hydraulic oil tank through the hydraulic oil recovery oil circuit. When the hydraulic valve 1 needs to be disassembled for maintenance, first ensure that the hydraulic valve 1 is in a closed state, then control the first oil collecting channel 5 to be in an open state through the first control valve, and control the second oil collecting channel 7 to be in an open state through the second control valve, so that the hydraulic oil remaining in the hydraulic valve 1 and the upstream and downstream channels of the hydraulic valve 1 can enter the oil collecting part through the first oil collecting channel 5 and the second oil collecting channel 7 for storage, so as to avoid the hydraulic oil remaining in the hydraulic valve 1 from flowing out during the disassembly of the hydraulic valve 1, firstly, to avoid waste caused by hydraulic oil seepage, and secondly, to avoid hydraulic oil dripping on the clothes, skin, and nearby ground of the staff, which is difficult to clean up. The hydraulic oil collected in the oil collecting part can also flow back to the hydraulic system after the hydraulic valve 1 is assembled, and be reused. When all the hydraulic oil in the oil collecting part flows back to the hydraulic system, the first oil collecting channel 5 is controlled to be in a closed state through the first control valve, and the second oil collecting channel 7 is controlled to be in a closed state through the second control valve, so as to avoid the hydraulic oil in the hydraulic oil output oil circuit and the hydraulic oil recovery oil circuit from entering the first oil collecting channel 5 and the second oil collecting channel 7 to cause flow loss, thereby ensuring the sensitivity of the entire hydraulic drive system.

[0033] As a specific embodiment of the hydraulic valve 1 and the connecting member 2 in the above embodiment, the hydraulic valve 1 includes a valve housing, on which a first oil circuit 101 and a second oil circuit 102 are arranged, and the connecting member 2 includes a third oil circuit 202 connected to the first oil circuit 101 and a fourth oil circuit 203 connected to the second oil circuit 102, the first oil circuit 101 and the third oil circuit 202 are connected to form a hydraulic oil output circuit, and the second oil circuit 102 and the fourth oil circuit 203 are connected to form a hydraulic oil recovery circuit. This assembly method makes the structure more compact and the layout reasonable, which is conducive to improving the assembly efficiency of the whole machine and is suitable for mass production.

[0034] It should be noted that the connector 2 can be designed according to different models of the hydraulic valve 1 and different external oil circuit interfaces, which greatly increases the adaptability range of the hydraulic valve 1.

[0035] As a specific implementation of the connection component in the above implementation, refer to Figure 1 The connecting piece 2 and the hydraulic valve 1 are fixedly connected via a connecting assembly.

[0036] Specifically, the connecting member 2 is a flange 201 , and the connecting assembly includes a plurality of bolts. The flange 201 is fixedly connected to the valve housing of the hydraulic valve 1 through the plurality of bolts, and a sealing ring is provided between the flange 201 and the valve housing of the hydraulic valve 1 .

[0037] The flange 201 can be designed into a rectangular or other non-circular structure, and the installation position of the flange 201 can be determined by the shape of the flange 201, which is convenient for improving installation efficiency. Connecting the flange 201 to the hydraulic valve 1 and the external oil circuit by bolts can improve the stability and mechanical strength of the connection, and the sealing effect of the connection can be increased by setting a sealing ring.

[0038] As a specific implementation of the oil collecting part, refer to Figure 1 The oil collecting part includes an oil collecting tank 3, which is arranged on both sides of the hydraulic valve 1. The two oil collecting tanks 3 are respectively connected to the first oil collecting channel 5 and the second oil collecting channel 7. An oil pump is provided in the oil collecting tank 3 for pumping the internal hydraulic oil to the third oil circuit 202 and / or the fourth oil circuit 203.

[0039] Before the hydraulic valve 1 is disassembled, the first oil collecting channel 5 is converted from a closed state to an open state through the first control valve, and the second oil collecting channel 7 is converted from a closed state to an open state through the second control valve. The hydraulic oil remaining in the inner cavity of the hydraulic valve 1 enters the oil collecting tank 3 for storage under the action of negative pressure. When the hydraulic valve 1 is reinstalled on the hydraulic oil circuit, the hydraulic oil in the oil collecting tank 3 is pumped into the third oil circuit 202 and / or the fourth oil circuit 203 by starting the oil pump, so that the hydraulic oil collected in the oil collecting tank 3 flows back to the hydraulic system, ensuring that the weight of the hydraulic oil in the hydraulic system does not decrease.

[0040] As another embodiment of the above-mentioned implementation, an oil guide pipe connected to the oil cavity is provided at the bottom of the oil collecting tank 3. Similarly, before the hydraulic valve 1 is disassembled, the first oil collecting channel 5 is switched from a closed state to an open state through the first control valve, and the second oil collecting channel 7 is switched from a closed state to an open state through the second control valve. The hydraulic oil remaining in the inner cavity of the hydraulic valve 1 enters the oil collecting tank 3 for storage under the action of negative pressure, and the hydraulic oil entering the oil collecting tank 3 directly flows back to the oil cavity of the hydraulic cylinder through the oil guide pipe. During the process, the total amount of hydraulic oil in the hydraulic system will not leak out due to the disassembly of the connector 2.

[0041] As a specific implementation of the first control valve, the first control valve includes a first valve stem 4 , which can be extended and retracted to have a first position closing the first oil collecting channel 5 and a second position opening the first oil collecting channel 5 .

[0042] When the first oil collecting channel 5 needs to be open, the first valve stem 4 can be driven to slide from the first position to the second position. Conversely, when the first oil collecting channel 5 needs to be closed, the first valve stem 4 can be driven to reset from the second position to the first position. The first valve stem 4 can adopt an electric telescopic rod. The end of the electric telescopic rod is provided with a closing plug that matches the inner cross-section of the first oil collecting channel 5. When the first valve stem 4 is in the first position, the closing plug is in contact with the inner wall of the first oil collecting channel 5 to cut off the passage of the first oil collecting channel 5.

[0043] Likewise, the second control valve comprises a second valve stem 6 , which is telescopic so as to have a first position closing the second oil collecting channel 7 and a second position opening the second oil collecting channel 7 .

[0044] When the second oil collecting channel 7 needs to be open, the second valve stem 6 can be driven to slide from the second position to the second position. Conversely, when the second oil collecting channel 7 needs to be closed, the second valve stem 6 can be driven to reset from the second position to the second position. The second valve stem 6 can adopt an electric telescopic rod. The end of the electric telescopic rod is provided with a closing plug matching the inner cross-section of the second oil collecting channel 7. When the second valve stem 6 is in the second position, the closing plug is in contact with the inner wall of the second oil collecting channel 7 to cut off the passage of the second oil collecting channel 7.

[0045] In addition, as another preferred embodiment of the first control valve and the second control valve, the first control valve and the second control valve are both stop valves, and the stop valves are electrically driven. The electric control of the stop valve has a faster response, and this control method has better stability and convenience.

[0046] The parts not described in the present invention can be realized by adopting or drawing on the existing technology.

[0047] The various embodiments in this specification are described in a progressive manner, and the same or similar parts between the various embodiments can be referenced to each other, and each embodiment focuses on the differences from other embodiments.

[0048] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. An oil port flange quick-plug interface structure with an oil collector, comprising a hydraulic valve (1), characterized in that: The hydraulic valve (1) is connected to an external oil circuit via a connector (2); a hydraulic oil output circuit and a hydraulic oil recovery circuit are provided between the hydraulic valve (1) and the connector (2); oil collecting parts are provided on both sides of the connector (2); a first oil collecting channel (5) connecting the oil collecting part and the hydraulic oil output circuit is provided on one side of the connector (2); a second oil collecting channel (7) connecting the oil collecting part and the hydraulic oil recovery circuit is provided on the other side of the connector (2); a first control valve for controlling the opening and closing of the first oil collecting channel (5) is provided in the first oil collecting channel (5); and a second control valve for controlling the opening and closing of the second oil collecting channel (7) is provided in the second oil collecting channel (7).

2. The oil port flange quick-plug interface structure with an oil collector according to claim 1, characterized in that: The hydraulic valve (1) comprises a valve housing, on which a first oil circuit (101) and a second oil circuit (102) are arranged.

3. The oil port flange quick-plug interface structure with an oil collector according to claim 2, characterized in that: The connecting member (2) has a third oil circuit (202) connected to the first oil circuit (101) and a fourth oil circuit (203) connected to the second oil circuit (102); the first oil circuit (101) and the third oil circuit (202) are connected to form a hydraulic oil output circuit, and the second oil circuit (102) and the fourth oil circuit (203) are connected to form a hydraulic oil recovery circuit.

4. The oil port flange quick-plug interface structure with an oil collector according to claim 2, characterized in that: The connecting piece (2) and the hydraulic valve (1) are fixedly connected via a connecting assembly.

5. The oil port flange quick-plug interface structure with an oil collector according to claim 3, characterized in that: The oil collecting portion comprises an oil collecting tank (3), the oil collecting tank (3) being arranged on both sides of the connecting piece (2), and the two oil collecting tanks (3) being respectively connected to the first oil collecting channel (5) and the second oil collecting channel (7).

6. The oil port flange quick-insertion interface structure with an oil collector according to claim 1, characterized in that: The first control valve comprises a first valve stem (4), which is capable of being retracted so as to have a first position for closing the first oil collecting channel (5) and a second position for opening the first oil collecting channel (5).

7. The oil port flange quick-insertion interface structure with an oil collector according to claim 1, characterized in that: The second control valve comprises a second valve stem (6), and the second valve stem (6) is capable of being extended and retracted so as to have a first position for closing the second oil collecting channel (7) and a second position for opening the second oil collecting channel (7).

8. An oil port flange quick-plug interface structure with an oil collector according to any one of claims 1 to 7, characterized in that: The first control valve and the second control valve are both stop valves, and the stop valves are controlled by electric drive.

9. The oil port flange quick-plug interface structure with an oil collector according to claim 4, characterized in that: The connecting piece (2) is a flange structure, the flange is fixedly connected to the valve housing of the hydraulic valve (1) via a plurality of bolts, and a sealing ring is provided between the flange and the valve housing of the hydraulic valve (1).

10. The oil port flange quick-plug interface structure with an oil collector according to claim 5, characterized in that: The oil collecting tank (3) is provided with an oil pump for pumping the hydraulic oil inside the oil collecting tank to the third oil circuit (202) and / or the fourth oil circuit (203).

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