CN220060067U

CN220060067U - Leakage-proof hydraulic reversing valve

Info

Publication number: CN220060067U
Application number: CN202321347537.6U
Authority: CN
Inventors: 邢冬华; 孙涛; 王成; 沈伟华; 陈卫; 陈桂原
Original assignee: Nantong Zhonglong Hydraulic Co ltd
Current assignee: Nantong Zhonglong Hydraulic Co ltd
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2023-11-21
Anticipated expiration: 2033-05-30

Abstract

The utility model discloses a leakage-proof hydraulic reversing valve in the technical field of hydraulic reversing valves, which comprises a connecting ring and a valve cover, wherein a pressure sensor is arranged on the upper surface of the connecting ring in a threaded manner, an alarm indicator lamp is fixedly arranged on the upper surface of the valve cover, the pressure value inside the hydraulic reversing valve can be sensed through the arranged pressure sensor, the pressure value collected through the pressure sensor is compared with a preset pressure value, so that whether the hydraulic reversing valve leaks or not is judged, the leakage of the hydraulic reversing valve can be prevented through the arranged alarm indicator lamp, when the pressure value collected through the pressure sensor is compared with the preset pressure value, if the collected pressure value exceeds the preset pressure value, the arranged alarm indicator lamp can send an alarm indication to realize the early detection of faults, so that the frequency and loss of equipment faults are reduced, resources are prevented from being wasted, the environment is prevented from being polluted, and the personal safety of operators is ensured.

Description

Leakage-proof hydraulic reversing valve

Technical Field

The utility model relates to the technical field of hydraulic reversing valves, in particular to a leakage-proof hydraulic reversing valve.

Background

The reversing valve is a directional control valve with more than two flow forms and more than two oil ports, and is a valve for realizing communication, cutting-off and reversing of hydraulic oil flow, pressure unloading and sequential action control.

In the use of the hydraulic reversing valve, the hydraulic reversing valve can generate engine oil pressure inside, when the internal engine oil pressure of the hydraulic reversing valve is too high, the hydraulic reversing valve can leak, once the hydraulic reversing valve leaks, the hydraulic reversing valve not only affects the working performance of a system, but also damages hydraulic elements, simultaneously wastes resources, causes pollution to the environment to a certain extent, and is more likely to cause accidental injury to operators when the situation is serious.

Therefore, we propose a leak-proof hydraulic directional valve.

Disclosure of Invention

The present utility model is directed to a leak-proof hydraulic directional control valve to solve the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

leak-proof hydraulic reversing valve, including the go-between, its characterized in that: the pressure sensor is arranged on the upper surface of the connecting ring in a threaded manner, a third screw hole is formed in the surface of the pressure sensor, the pressure sensor is in threaded connection with the connecting ring through the third screw hole, the pressure sensor is used for sensing the internal pressure of the hydraulic reversing valve, and the pressure sensor is electrically connected with an external power supply.

Preferably, a second screw hole is formed in the upper surface of the connecting ring, the valve body is mounted at the lower end of the connecting ring, and the connecting ring is in threaded connection with the valve body through the second screw hole.

Preferably, the upper surface of the connecting ring is welded with a hollow sealing component, the pressure sensor is positioned inside the hollow sealing component, and the hollow sealing component is in threaded connection with the valve body through the connecting ring.

Preferably, an opening A, an opening R, an opening B and an opening P are respectively formed in the periphery of the valve body, and the opening A, the opening R, the opening B and the opening P penetrate through the connecting ring and extend to the inside of the hollow sealing assembly.

Preferably, first screw holes are formed in four corners of the valve body, the first screw holes are used for external connection of the valve body, and a valve cover is fixedly arranged on the upper surface of the hollow sealing assembly.

Preferably, the valve cover upper surface fixed mounting has the warning pilot lamp, the warning pilot lamp is used for the warning of hydraulic reversing valve internal pressure, warning pilot lamp and external power source electric connection, valve cover one side rotation is connected with the valve rod, the valve rod is used for the switching-over of hydraulic reversing valve, the terminal rotation of valve rod is connected with the handle.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the pressure value in the hydraulic reversing valve can be sensed through the pressure sensor, and the pressure value collected through the pressure sensor is compared with the preset pressure value, so that whether the hydraulic reversing valve leaks or not is judged, the failure is found in advance, the failure times and loss of equipment are reduced, resources are prevented from being wasted, pollution to the environment is prevented, the personal safety of an operator is ensured, and the hydraulic reversing valve is quite convenient.

2. According to the utility model, leakage of the hydraulic reversing valve can be prevented through the set alarm indicator lamp, when the pressure sensor compares the collected pressure value with the preset pressure value, if the collected pressure value exceeds the preset pressure value, the set alarm indicator lamp can send an alarm indication, and through changing the relative position of the hollow sealing component in the valve body, all channels of the valve body are connected or disconnected, so that reversing and starting and stopping of fluid are controlled, and through setting four oil ports, the bearing, ending or changing the movement direction of the hydraulic fulfilling element and the driving mechanism of the hydraulic fulfilling element can be realized, so that the hydraulic reversing valve can realize reversing.

Drawings

FIG. 1 is a schematic front view of the overall structure of the present utility model;

FIG. 2 is a schematic view of the back of the overall structure of the present utility model;

FIG. 3 is a top view of the overall structure of the present utility model;

FIG. 4 is a schematic view of a portion of the structure of the present utility model;

in the figure: 1. a valve body; 2. a first screw hole; 3. a port A; 4. an R port; 5. a port B; 6. a P port; 7. a connecting ring; 8. a second screw hole; 9. a hollow seal assembly; 10. a valve cover; 11. an alarm indicator light; 12. a valve stem; 13. a pressure sensor; 14. a third screw hole; 15. a handle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 4, in the embodiment of the present utility model, the anti-leakage hydraulic reversing valve includes a connecting ring 7, a pressure sensor 13 is mounted on the upper surface of the connecting ring 7 by a thread, a third screw hole 14 is formed on the surface of the pressure sensor 13, the pressure sensor 13 is in threaded connection with the connecting ring 7 through the third screw hole 14, the pressure sensor 13 is used for sensing the internal pressure of the hydraulic reversing valve, the pressure sensor 13 is electrically connected with an external power supply, the hollow sealing component 9 can be in threaded connection with the valve body 1 through the connecting ring 7, the pressure value inside the hydraulic reversing valve can be sensed through the pressure sensor 13, and the pressure value collected through the pressure sensor 13 is compared with a preset pressure value, so as to determine whether the hydraulic reversing valve leaks, thereby realizing the early detection of faults, not only reducing the frequency and loss of equipment faults, but also preventing the waste of resources and the pollution to the environment, ensuring the personal safety of operators, and being very convenient, and the pressure sensor 13 can be in threaded connection with the connecting ring 7 through the third screw hole 14.

Wherein, the second screw 8 has been seted up to go-between 7 upper surfaces, and valve body 1 is installed to go-between 7 lower extreme, and go-between 7 passes through second screw 8 and valve body 1 threaded connection, can let go-between 7 and valve body 1 be connected through the second screw 8 that sets up to make valve body 1 and other subassemblies be connected.

The upper surface welding of go-between 7 has cavity seal assembly 9, and pressure sensor 13 is located cavity seal assembly 9 inside, and cavity seal assembly 9 passes through go-between 7 and valve body 1 threaded connection, can make the hydraulic pressure switching-over valve realize the switching-over through cavity seal assembly 9 that set up, makes each passageway of valve body 1 intercommunication or disconnection through the relative position of transform cavity seal assembly 9 in valve body 1 to control fluidic switching-over and start-stop, can make the part interconnect of hydraulic pressure switching-over valve through setting up cavity seal assembly 9 simultaneously.

Wherein, opening 3, R mouth 4, B mouth 5 and P mouth 6 have been seted up respectively around the valve body 1, opening 3, R mouth 4, B mouth 5 and P mouth 6 all run through go-between 7 and extend to the inside of cavity seal assembly 9, opening 3 and B mouth 5 are hydraulic actuator oil inlet and oil return opening, P mouth 6 is the oil inlet, opening 4 is the oil return opening, through setting up opening 3, R mouth 4, B mouth 5 and P mouth 6 can make hydraulic actuator and actuating mechanism's motion, end or change direction of motion to make hydraulic reversing valve can realize the switching-over.

Wherein, first screw 2 has been seted up at valve body 1 four corners, and first screw 2 is used for the external connection of valve body 1, and fixed surface installs valve gap 10 on the cavity seal assembly 9, makes valve body 1 and external equipment connect fixedly through the first screw 2 that sets up, can make the part of hydraulic reversing valve connect through setting up valve gap 10, and valve gap 10 still plays the supporting role to valve rod 12 simultaneously.

Wherein, surface mounting has warning pilot lamp 11 on the valve gap 10, warning pilot lamp 11 is used for the warning of hydraulic pressure switching-over valve internal pressure, warning pilot lamp 11 and external power source electric connection, valve rod 12 is connected with in the rotation of valve gap 10 one side, valve rod 12 is used for the switching-over of hydraulic pressure switching-over valve, valve rod 12 end rotation is connected with handle 15, can prevent the leakage of hydraulic pressure switching-over valve through warning pilot lamp 11 that set up, when pressure sensor 13 will collect the pressure value and preset pressure value compare, if the pressure value that pressure sensor 13 collected surpasses preset pressure value, warning pilot lamp 11 that sets up will send the warning instruction, thereby the leakage problem of discovery hydraulic pressure switching-over valve in advance avoids causing the loss, can commutate the hydraulic pressure switching-over valve through setting up valve rod 12, drive valve rod 12 rotation through setting up handle 15, thereby realize the switching-over of hydraulic pressure switching-over valve.

The working principle of the utility model is as follows: in the use process of the anti-leakage hydraulic reversing valve, the pressure value inside the hydraulic reversing valve can be sensed through the set pressure sensor, leakage of the hydraulic reversing valve can be prevented through the set alarm indicator lamp, when the pressure value collected by the pressure sensor is compared with the preset pressure value, if the pressure value collected by the pressure sensor exceeds the preset pressure value, the set alarm indicator lamp can give out alarm indication, so that the situation that faults are found in advance, equipment fault loss is reduced, resources are prevented from being wasted, pollution to the environment is prevented, personal safety of an operator is ensured, the relative position of the hollow sealing assembly in the valve body is changed, all channels of the valve body are communicated or disconnected, reversing and starting and stopping of fluid are controlled, and the bearing, ending or the changing of the hydraulic fulfilling element and the driving mechanism of the hydraulic fulfilling element are realized through setting an opening A, an opening R, an opening B and an opening P, so that the hydraulic reversing valve can realize reversing.

The present utility model is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present utility model and the inventive concept thereof, can be replaced or changed within the scope of the present utility model.

Claims

1. Leak-proof hydraulic reversing valve, including go-between (7), its characterized in that: the pressure sensor (13) is arranged on the upper surface of the connecting ring (7) in a threaded manner, a third screw hole (14) is formed in the surface of the pressure sensor (13), the pressure sensor (13) is in threaded connection with the connecting ring (7) through the third screw hole (14), the pressure sensor (13) is used for sensing the internal pressure of the hydraulic reversing valve, and the pressure sensor (13) is electrically connected with an external power supply.

2. The leak-proof hydraulic reversing valve of claim 1 wherein: the connecting ring (7) upper surface has seted up second screw (8), valve body (1) is installed to connecting ring (7) lower extreme, connecting ring (7) pass through second screw (8) with valve body (1) threaded connection.

3. The leak-proof hydraulic reversing valve of claim 2 wherein: the upper surface of the connecting ring (7) is welded with a hollow sealing component (9), the pressure sensor (13) is positioned inside the hollow sealing component (9), and the hollow sealing component (9) is in threaded connection with the valve body (1) through the connecting ring (7).

4. A leak-proof hydraulic reversing valve according to claim 3, wherein: a mouth (3), R mouth (4), B mouth (5) and P mouth (6) have been seted up respectively around valve body (1), A mouth (3) R mouth (4) B mouth (5) and P mouth (6) all run through go-between (7) and extend to the inside of cavity seal assembly (9).

5. The leak-proof hydraulic reversing valve of claim 4, wherein: the valve is characterized in that first screw holes (2) are formed in four corners of the valve body (1), the first screw holes (2) are used for external connection of the valve body (1), and a valve cover (10) is fixedly arranged on the upper surface of the hollow sealing assembly (9).

6. The leak-proof hydraulic reversing valve of claim 5, wherein: the automatic reversing valve is characterized in that an alarm indicator lamp (11) is fixedly arranged on the upper surface of the valve cover (10), the alarm indicator lamp (11) is used for warning the internal pressure of the hydraulic reversing valve, the alarm indicator lamp (11) is electrically connected with an external power supply, one side of the valve cover (10) is rotationally connected with a valve rod (12), the valve rod (12) is used for reversing of the hydraulic reversing valve, and the tail end of the valve rod (12) is rotationally connected with a handle (15).