High-protection-performance remote pressure adjusting device

Abstract

The utility model aims to provide the pressure regulating valve device which can realize remote real-time pressure regulation and control in a severe environment. The device comprises an adjusting module and a control module, the adjusting module is used for controlling the pressure value of oil in a pipeline, the control module is used for driving the adjusting module to operate, the input end of the adjusting module is in transmission connection with the output end of the control module, and a protective shell is installed on the outer side of the control module. The adjusting module comprises a rotary pressure adjusting valve, and at least one pair of corresponding oil inlet and overflow port and an adjusting end part for changing and adjusting the opening degree of the oil inlet and the overflow port are formed on the rotary pressure adjusting valve; the control module comprises a transmission assembly and a driving device which are arranged in the protective shell.

Description

Technical Field

[0001] The utility model relates to the field of pressure regulating valve devices for hydraulic equipment, in particular to a high-protection remote pressure regulating device. Background Art

[0002] In the process of using hydraulic presses to produce workpiece products, it is often necessary to use a pressure regulating valve to adjust the pressure value of the equipment according to different product characteristics. When adjusting and changing the pressure value, the operator is usually required to repeatedly adjust and control according to the actual changing working conditions, and it is difficult to use intelligent equipment for direct replacement. However, the applicant found that in some harsh production environments, such as the carbon rod extrusion production process, because the production environment is full of high-temperature scattered dust, after manual feeding, it is necessary to operate and adjust the required pressure at the side of the equipment, and then control it on the operating table far away from the equipment after the product production stabilizes. However, during the extrusion process, the pressure fluctuates due to the different pre-temperatures, tightness, etc. of the raw materials, and the operator needs to go back and forth to the equipment to adjust the pressure many times, which not only harms the health of employees but also reduces production efficiency, and the scrap rate of products will also increase accordingly.

[0003] In view of such working scenarios and the problems arising therefrom, it is necessary to specifically design a pressure regulating valve device that can realize real-time pressure regulation and control over a long distance in harsh environments. Utility Model Content

[0004] The utility model provides a pressure regulating valve device which can realize long-distance and real-time pressure regulation control in a harsh environment.

[0005] The above technical objectives of the utility model are achieved through the following technical solutions:

[0006] A highly protective remote pressure regulating device, characterized in that it includes a regulating module for controlling the oil pressure value in a pipeline, and a control module for driving the regulating module to operate, the input end of the regulating module and the output end of the control module are transmission-connected, and a protective outer portion is installed on the outside of the control module.

[0007] As a preferred embodiment of the present invention, the regulating module includes a rotary pressure regulating valve, on which is formed at least a pair of corresponding oil inlet and overflow ports, and an adjusting end for changing and adjusting the opening size of the oil inlet and overflow ports; the control module includes a transmission assembly and a drive device arranged inside the protective housing.

[0008] As a preferred embodiment of the present invention, the transmission assembly includes a driving worm gear that can be transmission-connected to the output end of the driving device, and a driven worm gear that meshes with the driving worm gear. The transmission assembly also includes a rotary transmission shaft that can rotate around a horizontal central axis, and both ends of the rotary transmission shaft are respectively connected to the driven worm gear and the rotary pressure regulating valve.

[0009] As a preferred embodiment of the present invention, the rotary transmission shaft can reciprocate along its own axial direction to change the engagement state with the rotary pressure regulating valve.

[0010] As a preferred embodiment of the present invention, the end section of the rotary transmission shaft has a connecting portion with a square cross section, and a connecting hole corresponding to the connecting portion is provided at the center of the worm wheel.

[0011] As a preferred embodiment of the present invention, a sealing gasket is further installed between the regulating module and the control module.

[0012] In summary, the utility model can achieve the following beneficial effects:

[0013] The highly protective remote pressure regulating device provided in the solution of the utility model does not require the operator to directly operate the equipment in a harsh environment of dust, high temperature and high pressure, and can flexibly adjust and control the pressure value in the oil circuit repeatedly at a long distance, greatly improving the working safety of the hydraulic equipment. At the same time, since a protective shell and a sealing gasket are installed at the connection between the more sophisticated and complex control module and the pressure regulating valve as the regulating module, the risk of external dust and impurities entering the interior of the device or the leakage of internal lubricating oil during operation can be effectively avoided, while improving the working stability and durability of the equipment, it also improves safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic cutaway diagram of the internal structure of a high-protection remote pressure regulating device;

[0015] Figure 2 It is a front structural diagram of a high-protection remote pressure regulating device;

[0016] Figure 3 It is a schematic diagram of the structure of the rotary transmission shaft from the front and side views;

[0017] Figure 4 It is a schematic diagram of the structure of the driven worm gear from the front and side views.

[0018] In the figure:

[0019] A——regulation module, B——control module;

[0020] 1——Protective casing;

[0021] 2——rotary pressure regulating valve, 201——oil inlet, 202——overflow port, 203——regulating end;

[0022] 3——transmission assembly, 301——driving worm, 302——driven worm wheel, 3021——connecting hole, 303——rotating transmission shaft, 3031——connecting part;

[0023] 4 – driving device;

[0024] 5——Sealing gasket. DETAILED DESCRIPTION

[0025] The following specific embodiments are merely explanations of the present invention and are not limitations of the present invention. After reading this specification, those skilled in the art may make modifications to the embodiments without any creative contribution as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

[0026] This solution is achieved through the following technical means:

[0027] Embodiment: In this embodiment, a pressure regulating valve device is provided that can realize remote and real-time pressure regulation control in a harsh environment. Functionally, it includes a regulating module A for controlling the oil pressure value in the pipeline, and a control module B for driving the regulating module A to operate, and a protective housing 1 is installed on the outside of the control module B here to effectively protect the internal control circuit and transmission control structure.

[0028] For details, please refer to the attached manual. Figure 1 As shown in the structure, the regulating module A in the high-protection remote pressure regulating device includes a rotary pressure regulating valve 2, which mainly adjusts the pressure value of the oil passing through the internal pipeline through an adjusting end 203 that changes the size of the internal pipeline flow opening through a rotary motion. Of course, the rotary pressure regulating valve 2 is also formed with at least one oil inlet 201 for the oil to enter and an overflow port 202 for the oil to be discharged outward. At one end of the aforementioned protective shell 1, a circular opening that is connected inside and outside is opened, and the regulating end 203 of the rotary pressure regulating valve 2 is inserted from the opening from the outside to the inside into the hollow protective shell 1. In the protective shell 1, a driving device 4 for driving the aforementioned rotary pressure regulating valve 2 to change the oil pressure value and a transmission component 3 for realizing power transmission between the two parts of the face are mainly installed.

[0029] The transmission assembly 3 includes a rotary transmission shaft 303 which is installed in a horizontal state in the inner chamber of the protective housing 1. Figure 1 In the structure shown, the front end of the rotary transmission shaft 303 here extends forward to the regulating end 203 at the rear of the aforementioned rotary pressure regulating valve 2, and the two parts are connected by a coupling or a key connection structure to achieve synchronous rotation. The rear end of the rotary transmission shaft 303 is formed with a connecting portion 3031 with at least a portion of a square cross-section, and a driven worm gear 302 is sleeved on the connecting portion 3031. Figure 3 and 4 As shown, a connecting hole 3021 with a square cross section corresponding to the aforementioned connecting portion 3031 is provided at the center of the driven worm wheel 302, and the driven worm wheel 302 can be sleeved and installed on the connecting portion 3031, and rotate with the rotary transmission shaft 303. In this embodiment, a stepper motor is selected as the driving device 4, and a driving worm 301 is also installed in the internal chamber. Through a series of mutually meshing gears, the rotary motion output by the stepper motor in real time is converted into the control and adjustment action of the aforementioned rotary pressure regulating valve 2 when only an electrical signal is input, which is not only accurate and efficient, but also greatly improves the stability and safety of the equipment working in a relatively complex and harsh environment.

[0030] As a way to more quickly cut off the power output of the drive device 4 in an emergency, a mechanism that allows the rotary transmission shaft 303 to reciprocate along its own central axis in the horizontal direction can be used when the aforementioned rotary transmission shaft 303 structure is selected. For example, a sleeve component can be installed on the inner side of the bearing component installed on the protective housing 1, so as to achieve the axial translation of the rotary transmission shaft 303 while always maintaining stable support for the positions of the two ends of the rotary transmission shaft 303, without affecting the power transmission of the two end mechanisms in the engaged state.

[0031] Furthermore, considering that the working scenario of the high-protection remote pressure regulating device contains a large amount of dust impurities, it is also necessary to install a sealing gasket 5 made of flexible material such as rubber between the regulating module A and the control module B.

[0032] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed by the utility model, and these modifications or replacements should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A highly protective remote pressure regulating device, characterized in that: It comprises a regulating module (A) for controlling the oil pressure value in a pipeline, and a control module (B) for driving the regulating module (A) to operate, the input end of the regulating module (A) and the output end of the control module (B) being transmission-connected, and a protective housing (1) being installed on the outer side of the control module (B).

2. The high protection remote pressure regulating device according to claim 1, characterized in that: The regulating module (A) includes a rotary pressure regulating valve (2), on which at least a pair of corresponding oil inlets (201) and overflow ports (202) are formed, and a regulating end portion (203) for changing and regulating the opening size of the oil inlet (201) and the overflow port (202); the control module (B) includes a transmission component (3) and a drive device (4) arranged inside the protective housing (1).

3. The high protection remote pressure regulating device according to claim 2, characterized in that: The transmission assembly (3) comprises a driving worm (301) which is transmission-connected to an output end of a driving device (4), and a driven worm wheel (302) which meshes with the driving worm (301). The transmission assembly (3) further comprises a rotary transmission shaft (303) which is capable of rotating about a horizontal central axis. Both ends of the rotary transmission shaft (303) are respectively connected to the driven worm wheel (302) and the rotary pressure regulating valve (2).

4. The high-protection remote pressure regulating device according to claim 3, characterized in that: The rotary transmission shaft (303) is capable of reciprocating along its own axial direction to change the engagement state with the rotary pressure regulating valve (2).

5. The high-protection remote pressure regulating device according to claim 4, characterized in that: The end portion of the rotary transmission shaft (303) has a connecting portion (3031) with a square cross section, and a connecting hole (3021) corresponding to the connecting portion (3031) is provided at the center of the worm wheel.

6. The high-protection remote pressure regulating device according to claim 1, characterized in that: A sealing gasket (5) is also installed between the regulating module (A) and the control module (B).

Images