2-position 3-way 42MPA hydraulic control valve

Abstract

This invention discloses a two-position three-way 42MPA hydraulically controlled directional valve, comprising a valve body structure. A conveying and filtering structure is installed at one end of the valve body structure, and a conveying and cooling structure is installed at the other end. The valve body structure includes a hollow valve body with an oil outlet A through one side and an oil return port T through the other side. An oil inlet P is located at one end of the valve body, and a control port X is located at the other end. The oil inlet P has a threaded groove for easy connection to the conveying and filtering structure. The conveying and filtering structure includes a hollow threaded mounting cylinder with an oil inlet at one end and a mounting groove inside. A guide rod is fixed inside the mounting groove via a connecting block, and a sliding adjustment through-hole block is provided on the surface of the guide rod. This two-position three-way 42MPA hydraulically controlled directional valve achieves a matching connection through a valve core.

Description

Technical Field

[0001] This invention relates to the field of hydraulic control directional valve technology, specifically a two-position three-way 42MPA hydraulic control directional valve. Background Technology

[0002] The 2-position 3-way 42MPA hydraulic directional control valve is a commonly used control valve in equipment. However, in existing 2-position 3-way 42MPA hydraulic directional control valves, hydraulic oil typically enters the valve body through the inlet. Because the hydraulic oil re-enters the valve body through the oil tank and pipelines, it easily carries metal particles during operation. These metal particles not only cause wear on the valve body and valve core but also reduce the compatibility between them, potentially leading to hydraulic oil overflow. Furthermore, after the hydraulic oil has finished its operation, it needs to be transferred to a hydraulic oil tank or cooling equipment for cooling and recirculation. This cooling process can cause the hydraulic oil viscosity to decrease during transport. Summary of the Invention

[0003] The purpose of this invention is to address the shortcomings of existing technologies by providing a 2-position 3-way 42MPA hydraulic directional control valve. This addresses the issues raised in the background section, such as the inability of metal particles to enter the valve body without causing wear on the valve body and valve core, reducing the compatibility between the valve body and valve core, and easily causing hydraulic oil overflow. Furthermore, existing 2-position 3-way 42MPA hydraulic directional control valves require the hydraulic oil to be transported to a hydraulic oil tank or cooling equipment for cooling and recirculation after the hydraulic oil has finished working. This process of transporting and cooling the hydraulic oil in the hydraulic oil tank or cooling equipment can easily lead to a decrease in the viscosity of the hydraulic oil during transport.

[0004] To achieve the above objectives, the present invention provides the following technical solution: a two-position three-way 42MPA hydraulic control directional valve, comprising a valve body structure, wherein a conveying and filtering structure is installed at one end of the valve body structure, and a conveying and cooling structure is installed on the other side of the valve body structure;

[0005] The valve body structure includes a valve body with a hollow internal structure, and an oil outlet A is provided through one side of the valve body, while an oil return port T is provided through the other side of the valve body.

[0006] The valve body has an oil inlet P at one end and a control port X at the other end. The oil inlet P (104) has a threaded groove inside to facilitate the connection of the conveying and filtering structure.

[0007] By adopting the above technical solution, a threaded connection is achieved through the set threaded groove.

[0008] Preferably, a valve core is slidably installed inside the valve body via a sealing ring, and the surface of the valve core is also provided with another oil outlet A and another oil return T that are connected to the oil outlet A and the oil return T. At the same time, the valve core is elastically adjusted inside the valve body by a spring.

[0009] By adopting the above technical solution, the valve core is designed to provide a matching connection.

[0010] Preferably, the conveying and filtering structure includes a threaded mounting cylinder with a hollow interior, and an oil inlet is provided through one end of the threaded mounting cylinder. At the same time, an installation groove is provided inside the threaded mounting cylinder, and a guide rod is fixed inside the installation groove by a connecting block. A sliding adjustment through hole block is provided through the surface of the guide rod.

[0011] By adopting the above technical solution, the guide rod is set to guide and adjust the sliding motion.

[0012] Preferably, a connecting spring is fixed between the through-hole blocks, and the connecting spring slides through the guide rod, while a filter screen is fixed between the through-hole blocks.

[0013] By adopting the above technical solution, the connecting spring is used to achieve a through-hole fixed connection between the two ends.

[0014] Preferably, the conveying and cooling structure includes a hollow cavity disk with a through hole, and a through hole cavity rod is embedded in one end of the through hole cavity disk, while the surface of the through hole cavity rod is embedded and connected to one end of the heat absorption tube.

[0015] By adopting the above technical solution, the condenser tubes are used to transport and absorb heat.

[0016] Preferably, the other end of the heat absorption tube is wound around a condensation column and embedded in and connected to another through-hole cavity plate, and a copper frame is wrapped between the through-hole cavity plates, while rock wool board is filled between the copper frame and the through-hole cavity plate.

[0017] By adopting the above technical solution, the copper frame is used to achieve the function of wrapping and connecting.

[0018] Preferably, the oil inlet is arranged in a cross shape.

[0019] By adopting the above technical solution, the oil inlet facilitates oil delivery.

[0020] Preferably, the filter screen is provided in one set, and the filter screen connection shape is arranged in a "V" structure.

[0021] By adopting the above technical solution, the filter screen can effectively intercept and filter the signal.

[0022] Preferably, the through-hole cavity rod has an overall "T" shaped structure.

[0023] By adopting the above technical solution, the through-hole cavity rod can achieve a through-convection connection.

[0024] Compared with the prior art, the beneficial effects of the present invention are: this two-position three-way 42MPA hydraulic control directional valve,

[0025] (1) This case solves the problem of metal particles entering the valve body without causing wear to the valve body and valve core, and also reduces the compatibility between the valve body and valve core, which can easily cause hydraulic oil to overflow. When hydraulic oil enters the valve body through the inlet P, it first enters the threaded mounting cylinder through the inlet P. When the hydraulic oil enters the threaded mounting cylinder, it passes through the filter screen. At this time, the filter screen filters the metal particles carried by the hydraulic oil and avoids excessive oil pressure impact during the hydraulic oil transportation process, which can easily damage the filter screen. When the hydraulic oil comes into contact with the filter screen, the filter screen squeezes the connecting spring. At this time, the filter screen is elastically displaced to avoid the oil pressure impact from causing damage to the filter screen.

[0026] (2) By setting up a cooling conveying structure, the problem of the existing two-position three-way 42MPA hydraulic control directional valve needing to be conveyed to the hydraulic oil tank or cooling equipment for cooling and recirculation after the hydraulic oil has finished working is solved. When the hydraulic oil is conveyed to the hydraulic oil tank or cooling equipment for cooling, the viscosity of the hydraulic oil is easily reduced during the conveying process. When the hydraulic oil needs to be conveyed through the oil outlet A, the hydraulic oil is conveyed to the condenser tube through the through hole cavity plate. The hydraulic oil entering the condenser tube absorbs the heat carried by the hydraulic oil through the condenser column and rock wool plate. The hydraulic oil after absorbing heat and cooling is conveyed to the oil tank through the oil outlet A.

[0027] (3) By using the threaded groove in the valve body structure, the problem of the conveying filter structure being unable to be quickly installed and disassembled from the valve body can be solved. When the conveying filter structure needs to be replaced after a long period of use, the operator can rotate the threaded installation cylinder to separate the threaded installation cylinder from the valve body through the threaded groove, thereby facilitating the quick disassembly and installation of the entire conveying filter structure. Attached Figure Description

[0028] Figure 1 This is a frontal cross-sectional view of the present invention.

[0029] Figure 2 This is a schematic diagram of the valve body, oil outlet A, oil return port T, oil inlet P, and threaded groove of the present invention;

[0030] Figure 3This is a schematic diagram of the valve body, oil outlet A, oil return port, control port X, sealing ring, valve core and spring structure of the present invention;

[0031] Figure 4 This is a schematic diagram of the threaded mounting cylinder and filter screen structure of the present invention;

[0032] Figure 5 This is a schematic diagram of the threaded mounting cylinder, oil inlet, and mounting groove structure of the present invention;

[0033] Figure 6 This is a schematic diagram of the connecting block, guide rod, through hole block, connecting spring, and filter screen of the present invention.

[0034] Figure 7 This is a schematic diagram of the cooling conveying structure of the present invention.

[0035] In the diagram: 1. Valve body structure; 101. Valve body; 102. Oil outlet A; 103. Oil return port T; 104. Oil inlet P; 105. Control port X; 106. Threaded groove; 107. Sealing ring; 108. Valve core; 109. Spring; 2. Conveying and filtering structure; 201. Threaded mounting cylinder; 202. Oil inlet; 203. Mounting groove; 204. Connecting block; 205. Guide rod; 206. Through-hole block; 207. Connecting spring; 208. Filter screen; 3. Conveying and cooling structure; 301. Through-hole cavity plate; 302. Through-hole cavity rod; 303. Heat absorption tube; 304. Condensation column; 305. Rock wool board; 306. Copper frame. Detailed Implementation

[0036] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0037] Please see Figure 1-7 This invention provides a technical solution: a two-position three-way 42MPA hydraulic control directional valve, such as... Figure 1 , Figure 2 and Figure 3 As shown, it includes a valve body structure 1, which includes a valve body 101 with a hollow internal structure. An oil outlet A102 is provided through one side of the valve body 101, and an oil return port T103 is provided through the other side of the valve body 101.

[0038] Furthermore, the above scheme has an oil inlet P104 at one end of the valve body 101 and a control port X105 at the other end of the valve body 101. At the same time, the oil inlet P104 has a threaded groove 106 inside to facilitate the connection of the conveying filter structure 2.

[0039] Furthermore, in the above scheme, a valve core 108 is slidably installed inside the valve body 101 via a sealing ring 107. The surface of the valve core 108 is also provided with another oil outlet A102 and another oil return port T103 that are connected to the oil outlet A102 and the oil return port T103. At the same time, the valve core 108 is elastically adjusted to the inside of the valve body 101 via a spring 109. The valve core 108 is cut into a hollow shape, which effectively connects the spring 109 when the hollow valve core 108 is installed.

[0040] like Figure 4 , Figure 5 and Figure 6 As shown, a conveying and filtering structure 2 is installed at one end of the valve body structure 1. The conveying and filtering structure 2 includes a threaded mounting cylinder 201 with a hollow internal structure. An oil inlet 202 is provided through one end of the threaded mounting cylinder 201. The oil inlet 202 is arranged in a "cross" shape. The "cross" shape of the structure facilitates the delivery of hydraulic oil and allows for effective connection with existing cross tools to quickly rotate, install, and disassemble the threaded mounting cylinder 201. The "cross" shape of the structure also demonstrates its practical conveying function. The threaded mounting cylinder 201 has an installation groove 203 inside. A guide rod 205 is fixed inside the installation groove 203 by a connecting block 204. A sliding adjustment through hole block 206 is provided on the surface of the guide rod 205.

[0041] Furthermore, a connecting spring 207 is fixed between the through-hole blocks 206, and the connecting spring 207 slides through the guide rod 205. At the same time, a filter screen 208 is fixed between the through-hole blocks 206. One set of filter screens 208 is provided, and the connection shape of the filter screens 208 is arranged in a "V" structure. When the above-mentioned components are arranged in one set, it not only reflects the symmetry of the above-mentioned component arrangement, but also reflects the practical filtration of the above-mentioned symmetrical arrangement of the above-mentioned components. Furthermore, when the connection shape of the filter screens 208 is arranged in a "V" structure, it also reflects the axial symmetrical installation of the above-mentioned components. The above-mentioned components constitute an elastic adjustment structure, and the filter screen 208 is effectively squeezed and elastically adjusted by the elastic adjustment structure constituted above.

[0042] like Figure 7As shown, a conveying and cooling structure 3 is installed on the other side of the valve body structure 1. The conveying and cooling structure 3 includes a hollow cavity plate 301 with a hollow interior. A hollow rod 302 is embedded in one end of the hollow cavity plate 301. The surface of the hollow rod 302 is embedded and connected to one end of the heat absorption pipe 303. The hollow rod 302 has an overall "T" shape. When the components are arranged in a "T" shape, it not only reflects the embedded and connected connection between the components and the hollow cavity plate 301, but also reflects the conveying connection between the components and one end of the heat absorption pipe 303. Furthermore, when the components are arranged in a "T" shape, it also reflects the axial and longitudinal axial symmetry of the components.

[0043] Furthermore, in the above scheme, the other end of the heat-absorbing tube 303 is wound around the condensing column 304 and embedded and connected to another through-hole cavity plate 301. A copper frame 306 is wrapped between the through-hole cavity plates 301, and a rock wool board 305 is filled between the copper frame 306 and the through-hole cavity plate 301. The heat-absorbing tube 303 is made of copper metal material, which is used to absorb the heat carried by the hydraulic oil during the installation of the heat-absorbing tube 303. The condensing column 304 is filled with condensate water, which absorbs and cools the heat emitted by the heat-absorbing tube 303 again. At the same time, the rock wool board 305 absorbs and cools the heat absorbed again.

[0044] In the above scheme, hydraulic oil enters the threaded mounting cylinder 201 through the oil inlet P104 and oil inlet 202. The hydraulic oil entering the threaded mounting cylinder 201 is filtered by the filter screen 208 and then transported to the valve body 101. The valve core 108 inside the valve body 101 compresses the spring 109. At this time, the hydraulic oil inside the valve body 101 is transported to the oil outlet A102 and the through hole cavity plate 301. The hydraulic oil inside the through hole cavity plate 301 is transported to the heat absorption pipe 303 through the through hole cavity rod 302. The hydraulic oil passing through the heat absorption pipe 303 is transported to the oil tank and then transported to the return oil port T103 through the oil pipe.

[0045] The terms “center,” “longitudinal,” “lateral,” “front,” “rear,” “left,” “right,” “vertical,” “horizontal,” “top,” “bottom,” “inner,” and “outer,” etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting the scope of protection of the present invention.

[0046] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A two-position three-way hydraulically controlled directional valve, characterized in that: It includes a valve body structure (1), one end of which is equipped with a conveying and filtering structure (2), and the other side of which is equipped with a conveying and cooling structure (3). The valve body structure (1) includes a valve body (101) with a hollow internal structure, and an oil outlet A (102) is provided through one side of the valve body (101), while an oil return port T (103) is provided through the other side of the valve body (101). The valve body (101) has an oil inlet P (104) at one end and a control port X (105) at the other end. At the same time, the oil inlet P (104) has a threaded groove (106) inside to facilitate the connection of the filter structure (2). The conveying and filtering structure (2) includes a threaded mounting cylinder (201) with a hollow interior, and an oil inlet (202) is provided through one end of the threaded mounting cylinder (201). At the same time, an installation groove (203) is provided inside the threaded mounting cylinder (201). A guide rod (205) is fixed inside the installation groove (203) through a connecting block (204). A sliding adjustment through hole block (206) is provided through the surface of the guide rod (205). A connecting spring (207) is fixed between the through hole blocks (206). The connecting spring (207) slides through the guide rod (205). At the same time, a filter screen (208) is fixed between the through hole blocks (206). The conveying and cooling structure (3) includes a hollow cavity disk (301) with a hollow interior, and a hollow cavity rod (302) is embedded in one end of the hollow cavity disk (301). The surface of the hollow cavity rod (302) is embedded and connected to one end of the heat absorption tube (303). The other end of the heat absorption tube (303) is wrapped with a condensation column (304) and embedded and connected to another hollow cavity disk (301). A copper frame (306) is wrapped between the hollow cavity disks (301), and rock wool board (305) is filled between the copper frame (306) and the hollow cavity disk (301).

2. The two-position three-way hydraulic control directional valve according to claim 1, characterized in that: The valve core (108) is slidably mounted inside the valve body (101) through a sealing ring (107). The surface of the valve core (108) is also provided with another oil outlet A (102) and another oil return port T (103) that are connected to the oil outlet A (102) and the oil return port T (103). Meanwhile, the valve core (108) is elastically adjusted inside the valve body (101) through a spring (109).

3. The two-position three-way hydraulic control directional valve according to claim 1, characterized in that: The oil inlet (202) is set in a cross-shaped structure.

4. The two-position three-way hydraulic control directional valve according to claim 1, characterized in that: The filter screen (208) is provided in one set, and the filter screen (208) is connected in a "V" shape.

5. The two-position three-way hydraulic control directional valve according to claim 1, characterized in that: The through-hole cavity rod (302) has an overall "T" shaped structure.

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