CN214661190U

CN214661190U - Remote control pressure regulating valve for operating table

Info

Publication number: CN214661190U
Application number: CN202121160126.7U
Authority: CN
Inventors: 张运胜; 施凯; 陈俊杰
Original assignee: Shanghai Huadao Hydraulic Equipment Manufacturing Co ltd
Current assignee: Shanghai Huadao Hydraulic Equipment Manufacturing Co ltd
Priority date: 2021-05-27
Filing date: 2021-05-27
Publication date: 2021-11-09
Anticipated expiration: 2031-05-27

Abstract

The utility model discloses a remote control air-vent valve for operation table, the remote control air-vent valve includes the valve body, the inside cavity that is equipped with of valve body, the cavity includes first hole, second hole, third hole, fourth hole and fifth hole, the pressure regulating case set up in inside the cavity, and can follow the cavity side-to-side movement, thereby will the third hole with fourth hole intercommunication or disconnection. The utility model has the advantages that: the pressure regulating valve is installed on a hydraulic system of the operating bed, the hydraulic system of the operating bed is arranged inside a housing of the operating bed, and the pressure of the pressure regulating valve needs to be regulated according to the bearing capacity of a station.

Description

Remote control pressure regulating valve for operating table

Technical Field

The utility model relates to an air-vent valve, more precisely a remote control air-vent valve for operation table.

Background

As shown in fig. 1, 2 and 3, the present invention is a schematic structural view of an operating bed including a pressure regulating valve according to the prior art. The whole system comprises an oil outlet 100, an oil return port 200, a one-way valve 300, a pressure regulating valve 400, a motor 500, a coupler 600, an oil suction filter 700, a pump 800 and an oil return filter pipe 900. Base cover case for fixing pressure regulating valve 400 on operating table

The working principle of the existing pressure regulating valve is as follows: the pump sucks oil from the oil tank through the oil suction filter, the discharged high-pressure oil overcomes the spring force of the one-way valve, the one-way valve is jacked open, and the oil is discharged from the oil outlet; the pressure of high-pressure oil discharged by the pump is controlled by the pressure regulating valve, when the pressure of the oil is smaller than the spring force set by the pressure regulating valve, the overflow valve is not opened, the pressure of the oil is larger than the spring force set by the pressure regulating valve, the overflow valve is opened, the system overflows, and the overflowed oil flows back to the oil tank through the oil return pipe.

The existing pressure regulating valve has the following defects: the pressure regulating valve is installed on a hydraulic system of the operating bed, and the hydraulic system of the operating bed is arranged inside a housing of the operating bed.

The casing of the operating bed is a fixed closed space, and the pressure of the pressure regulating valve cannot be changed once being set. According to the current design standard of the operating table, the pressure regulating valve is set to be the maximum value when the operating table leaves a factory, but the pressure of the pressure regulating valve needs to be regulated according to the bearing capacity of a station in actual use. The pressure regulating valve is fixedly set at the maximum value, and the hydraulic system can work fully under high pressure all the time, which causes waste of power resources.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a remote control air-vent valve for operation table, it can solve the shortcoming of the unable pressure of adjusting the air-vent valve according to actual need among the prior art.

The utility model adopts the following technical scheme:

the utility model provides a remote control air-vent valve for operation table, the remote control air-vent valve includes the valve body, the inside cavity that is equipped with of valve body, the cavity includes first hole, second hole, third hole, fourth hole and fifth hole, the pressure regulating valve core set up in inside the cavity, and can follow the cavity side-to-side movement, thereby will the third hole with fourth hole intercommunication or disconnection.

The pressure regulating valve also comprises a pressure regulating spring, one end of the pressure regulating spring is abutted to one end of the pressure regulating valve core, and the pressure regulating spring can reset the pressure regulating valve core after the external force disappears, so that the third hole is disconnected and communicated with the fourth hole.

The valve body is provided with a first hole, a second hole and a third hole, the first hole is communicated with the second hole, and the second hole is communicated with the fifth hole.

The first hose is connected with an oil outlet of an original hydraulic control system of the operating bed, and the second hose is connected with an oil return port of the original hydraulic control system of the operating bed.

The pressure regulating spring is fixed inside the valve body, the fourth hole is sealed, and the other end of the pressure regulating spring is limited through the pressure regulating screw.

Still include a sealing washer, the sealing washer will pressure regulating screw with seal between the valve body.

Still include a filter plate, the filter plate set up in first hole with the hose between.

The valve body is provided with two fixing screws, the valve body can be fixed on the bottom plate through the fixing screws, and a base cover shell is fixed on the bottom plate.

And the bottom plate is provided with a bottom plate hole.

The utility model has the advantages that: the pressure regulating valve is installed on a hydraulic system of the operating bed, the hydraulic system of the operating bed is arranged inside a housing of the operating bed, and the pressure of the pressure regulating valve needs to be regulated according to the bearing capacity of a station.

Drawings

The invention is explained in more detail below with reference to exemplary embodiments and the accompanying drawings, in which:

fig. 1 is a schematic diagram of the prior art.

Fig. 2 is a schematic view showing a fixed state of a pressure regulating valve in the related art.

Fig. 3 is a schematic view of the housing of fig. 2 removed.

Fig. 4 is a schematic view of the operation principle of the pressure regulating valve of the present invention.

Fig. 5 is a schematic view showing a fixed state of the pressure regulating valve according to the present invention.

Fig. 6 is a schematic view of the housing of fig. 5 removed.

Fig. 7 is a front view of the pressure regulating valve of the present invention.

Fig. 8 is a right side view of fig. 7.

Fig. 9 is a schematic cross-sectional view of fig. 7.

Detailed Description

The following further illustrates embodiments of the present invention:

as shown in fig. 7 to 9, the utility model discloses a remote control air-vent valve for operating table, remote control air-vent valve 10 includes valve body 6, the inside cavity that is equipped with of valve body, the cavity includes first hole 14, second hole 15, third hole 16, fourth hole 17 and fifth hole 18, pressure regulating valve core 3 set up in inside the cavity, and can follow the cavity side-to-side motion, thereby will third hole 16 with fourth hole 17 intercommunication or disconnection.

The utility model discloses still include a pressure regulating spring 4, its one end with the one end looks butt of pressure regulating case 3, just pressure regulating spring 4 can reset pressure regulating case 3 after the external force disappears, thereby will third hole 16 the 17 disconnection intercommunications in fourth hole.

The utility model discloses still including fixing first hose 2 and the second hose 5 on the valve body, first hose 2 with first hole 14 intercommunication, second hose 5 with fifth hole 18 intercommunication. The first hose 2 is connected with an oil outlet 100 of the original hydraulic control system of the operating bed, and the second hose 5 is connected with an oil return port 200 of the original hydraulic control system of the operating bed.

The utility model discloses still include pressure regulating screw 7, the pressure regulating screw fixation is inside the valve body, and will the fourth hole is sealed 17, it is spacing that the other end of pressure regulating spring passes through the pressure regulating screw.

The utility model discloses still include a sealing washer 8, the sealing washer will the pressure regulating screw with it is sealed between the valve body.

The utility model discloses a cassette 1, the cassette set up in first hole with between the hose.

As shown in fig. 5 and 6, the valve body is provided with two fixing screws 9, the valve body can be fixed on the bottom plate 11 through the fixing screws 9, and the bottom plate is fixed with a base cover 12.

The connection relation between the hydraulic control system of the operating bed and the operating bed bottom plate of the utility model is shown in the figure, the bottom of the remote pressure regulating valve is provided with 2 fixing screws 9, the remote pressure regulating valve is fixed on the bottom plate 11 of the operating bed, the bottom plate 11 of the operating bed is provided with a bottom plate opening 13, a straight wrench is inserted into the bottom plate opening 13, the pressure regulating screw 7 is clockwise regulated, and the pressure of the hydraulic system rises; the pressure regulating screw 7 is adjusted anticlockwise, and the pressure of the hydraulic system is reduced. The remote pressure regulating valve is provided with two ports, each port is connected with a hose, the first hose 2 is connected with an oil outlet 100 of the original hydraulic control system of the operating bed, and the second hose 5 is connected with an oil return port 200 of the original hydraulic control system of the operating bed; the first hose 2 is fixed on the valve body 6 through threaded connection, and the filter disc 1 is arranged in a first hole 14 of the valve body; the second hose 5 is fixed on the valve body 6 through threaded connection, the pressure regulating valve core 3 abuts against the third hole 16 under the compression force action of the pressure regulating spring 4, the fourth hole 17 is communicated with the fifth hole 18, the pressure regulating spring 4 is compressed between the pressure regulating screw 7 and the pressure regulating valve core 3, the pressure regulating screw 7 is fixed on the valve body 9 through threaded connection, and a sealing ring 8 is arranged on the outer circumferential surface of the pressure regulating screw 7 to prevent oil from leaking from the fourth hole 17 to the outside of the valve body.

The specific working principle of the invention is as follows:

as shown in fig. 4, the pump 500 sucks oil from the oil tank through the oil suction filter 700, the discharged high-pressure oil overcomes the spring force of the check valve, the check valve is pushed open, and the oil is discharged from the oil outlet 100; the oil enters the first hole 14 of the remote pressure regulating valve through the first hose 2, enters the second hole 15 after being filtered by the filter disc 1, and then enters the third hole 16. When the pressure of the high-pressure oil is smaller than the compression force of the pressure regulating spring 4, the pressure regulating valve core 3 tightly leans against the third hole 16, the high-pressure oil is sealed in the third hole 16, and the pressure of the hydraulic system of the operating table is the set value of the remote pressure regulating valve at the moment; when the pressure of the high-pressure oil is greater than the compression force of the pressure regulating spring 4, the pressure of the hydraulic system of the operating table is the set value of the remote pressure regulating valve at the moment, the pressure regulating valve core 3 is separated from the third hole 16, and the oil enters the fourth hole 17 from the third hole 16 and then enters the fifth hole and flows into the oil return port 200 of the original hydraulic control system through the second hose 5.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a remote control air-vent valve for operation table, a serial communication port, remote control air-vent valve includes the valve body, the inside cavity that is equipped with of valve body, the cavity includes first hole, second hole, third hole, fourth hole and fifth hole, pressure regulating valve core set up in inside the cavity, and can follow the cavity side-to-side movement, thereby will the third hole with fourth hole intercommunication or disconnection.

2. The remotely controlled pressure regulating valve for an operating table according to claim 1, further comprising a pressure regulating spring, one end of which abuts against one end of said pressure regulating valve core, and said pressure regulating spring can reset said pressure regulating valve core after the external force disappears, thereby disconnecting said third hole and said fourth hole from communication.

3. The remotely controlled pressure regulating valve for an operating bed according to claim 1, further comprising a first hose and a second hose fixed to said valve body, said first hose communicating with said first port and said second hose communicating with said fifth port.

4. The remote control pressure regulating valve for the operating bed according to claim 3, wherein the first hose is connected with an oil outlet of an original hydraulic control system of the operating bed, and the second hose is connected with an oil return port of the original hydraulic control system of the operating bed.

5. The remotely controlled pressure regulating valve for an operating bed according to claim 3, further comprising a pressure regulating screw fixed inside said valve body and sealing said fourth hole.

6. The remotely controlled pressure regulating valve for an operating table according to claim 5 further comprising a sealing ring sealing between said pressure regulating screw and said valve body.

7. The remotely controlled pressure regulating valve for an operating bed according to claim 3, further comprising a filter disposed between said first aperture and said flexible tube.

8. The remotely controlled pressure regulating valve for an operating bed according to any one of claims 1 to 7, wherein said valve body is provided with two fixing screws by which the valve body can be fixed to a base plate to which a base housing is fixed.

9. The remotely controlled pressure regulating valve for an operating bed according to claim 8, wherein said base plate is provided with a base plate opening.