Novel hydraulic control valve

Abstract

The utility model discloses a novel hydraulic control valve which comprises a valve body, an upper connector and a lower connector are fixedly installed at the two ends of the valve body respectively, a ball body is arranged in the valve body in a rotating mode, a through hole is formed in the ball body, a driving mechanism is arranged in the valve body, the driving mechanism can drive the ball body to rotate through a transmission assembly, and the transmission assembly comprises a rack and a gear. An assembling groove is formed in the valve body, the rack is slidably arranged in the assembling groove, a mounting groove communicated with the assembling groove is formed in the valve body, a shaft sleeve is fixedly mounted in the mounting groove, a connecting shaft is rotatably mounted in the shaft sleeve, one end of the connecting shaft is fixedly connected with the ball, and the gear fixedly sleeves the end, away from the ball, of the connecting shaft. The rack is meshed with the gear; the ball body is driven by the transmission machine to rotate, opening and closing of the valve are achieved, the driving mechanism is hydraulically driven, the valve has the advantages of being rapid and accurate, and arbitrary opening control of the valve can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of hydraulic control valve, especially relates to a new hydraulic control valve. BACKGROUND

[0002] In the existing oil exploitation industry, as the common cutting equipment, the hydraulic control valve has the problems of large flow resistance, difficult maintenance and only two states of full opening and full closing. In order to solve these problems, it is necessary to develop a new type of hydraulic control valve to improve the oil exploitation efficiency and equipment reliability.

[0003] Therefore, we propose a new hydraulic control valve. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a new hydraulic control valve, thereby solve or at least alleviate one or more of the above problems and other aspects in the prior art.

[0005] In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises:

[0006] A new hydraulic control valve, comprising a valve body, an upper joint and a lower joint are fixedly installed at both ends of the valve body, the upper joint and the lower joint are communicated with the inside of the valve body, a ball is rotatably arranged in the inside of the valve body, a through hole is formed in the ball, a driving mechanism is arranged in the valve body, and the driving mechanism can drive the ball to rotate through a transmission assembly.

[0007] In the new hydraulic control valve according to the utility model, the transmission assembly comprises a rack and a gear, an assembly groove is formed in the inside of the valve body, the rack is slidably arranged in the assembly groove, an installation groove communicated with the assembly groove is formed in the inside of the valve body, a shaft sleeve is fixedly installed in the installation groove, a connecting shaft is rotatably installed in the inside of the shaft sleeve, one end of the connecting shaft is fixedly connected with the ball, the gear is fixedly sleeved on the end of the connecting shaft away from the ball, and the rack is engaged with the gear.

[0008] In the new hydraulic control valve according to the utility model, two sealing rings are arranged in the inside of the valve body, and the two sealing rings are arranged at both ends of the ball.

[0009] In the new hydraulic control valve according to the utility model, the driving mechanism comprises a first connecting nozzle and a second connecting nozzle, the second connecting nozzle and the second connecting nozzle are both formed in the valve body, the first connecting nozzle is communicated with one end of the assembly groove, the second connecting nozzle is communicated with the other end of the assembly groove, and the two ends of the rack are fixedly connected with pistons.

[0010] The sealing ring is a perfluoroether sealing ring.

[0011] In the new hydraulic control valve according to the utility model, the surface roughness RA of the ball is less than or equal to 0.1 microns.

[0012] The utility model has at least the following beneficial effects:

[0013] The utility model drives the ball to rotate through the transmission motor, realizes the opening and closing of the valve, and adopts hydraulic drive for the driving mechanism, has the characteristics of quick and accurate, and can realize the arbitrary opening degree control of the valve. BRIEF DESCRIPTION OF DRAWINGS

[0014] The drawings described herein are used to provide further understanding of the present application, constitute a part of the present application, the illustrative embodiments of the present application and the description thereof are used to explain the present application, and do not constitute improper limitation on the present application.

[0015] Figure 1 It is a new hydraulic control valve structure schematic view of the utility model;

[0016] Figure 2 It is a cross section structure schematic view when the utility model is in the opening state;

[0017] Figure 3 It is Figure 2 A enlarged structure schematic view of the A part in the utility model;

[0018] Figure 4 It is a cross section structure schematic view when the utility model is in the closing state.

[0019] BRIEF DESCRIPTION OF DRAWINGS

[0020] 1, valve body; 101, first connecting nozzle; 102, second connecting nozzle; 103, assembly groove; 104, mounting groove; 2, upper connector; 3, lower connector; 4, ball; 5, sealing ring; 6, rack; 7, piston; 8, gear; 9, shaft sleeve; 10, connecting shaft. DETAILED DESCRIPTION

[0021] The embodiments of the present application will be described in detail below with the drawings and examples, so that the realization process of how the present application applies technical means to solve technical problems and achieves technical effects can be fully understood and implemented.

[0022] Please refer to Figures 1 to 4The utility model discloses an embodiment provides a new liquid control valve, including valve body 1, and the both ends of valve body 1 are fixedly installed with upper joint 2 and lower joint 3 respectively, and upper joint 2 and lower joint 3 are connected with the inside of valve body 1, and the inside of valve body 1 is rotatably provided with a ball 4, and a through hole is formed in the ball 4, and a driving mechanism is arranged in the valve body 1, and the driving mechanism can drive the ball 4 to rotate through a transmission assembly.

[0023] In the embodiment, the transmission assembly includes a rack 6 and a gear 8, the inside of the valve body 1 is provided with an assembly groove 103, the rack 6 is slidably arranged in the assembly groove 103, the inside of the valve body 1 is provided with an installation groove 104 in communication with the assembly groove 103, the installation groove 104 is fixedly provided with a shaft sleeve 9, the inside of the shaft sleeve 9 is rotatably provided with a connecting shaft 10, one end of the connecting shaft 10 is fixedly connected with the ball 4, the gear 8 is fixedly sleeved on the end of the connecting shaft 10 away from the ball 4, the rack 6 is engaged with the gear 8, and through the above scheme, in use, the rack 6 is controlled to move left and right along the assembly groove 103, so as to drive the gear 8 to rotate forward or reversely, the rotating gear 8 drives the ball 4 to rotate through the connecting shaft 10, and the opening degree of the valve can be controlled.

[0024] In the embodiment, the driving mechanism includes a first connecting nozzle 101 and a second connecting nozzle 102, the second connecting nozzle 102 and the second connecting nozzle 102 are both formed on the valve body 1, the first connecting nozzle 101 is in communication with one end of the assembly groove 103, the second connecting nozzle 102 is in communication with the other end of the assembly groove 103, and the both ends of the rack 6 are fixedly connected with a piston 7.

[0025] Through the above setting, in use, the first connecting nozzle 101 and the second connecting nozzle 102 are connected with a hydraulic drive device, when hydraulic oil is added into the first connecting nozzle 101, under the pushing of the hydraulic pressure, the rack 6 moves to the direction of the lower joint 3, so as to drive the gear 8 to rotate, the rotating gear 8 drives the ball 4 to rotate through the connecting shaft 10, and the valve is closed, the hydraulic oil in the assembly groove 103 away from the first connecting nozzle 101 is pressed back into the oil tank of the hydraulic drive device from the second connecting nozzle 102, when hydraulic oil is added into the second connecting nozzle 102, under the pushing of the hydraulic pressure, the rack 6 moves to the direction of the upper joint 2, so as to drive the gear 8 to rotate, the rotating gear 8 drives the ball 4 to rotate through the connecting shaft 10, and the valve is opened, the hydraulic oil in the assembly groove 103 away from the second connecting nozzle 102 is pressed back into the oil tank of the hydraulic drive device from the first connecting nozzle 101;

[0026] Through the distance of the movement of the rack 6, the rotating angle of the ball 4 can be controlled, and the valve can have an arbitrary opening degree.

[0027] In the embodiment, the valve body 1 is internally provided with two sealing rings 5, which are respectively arranged at two ends of the ball 4.

[0028] Through the above arrangement, the sealing between the two ends of the ball 4 and the inner wall of the valve body 1 can be realized, and in turn the zero leakage of the valve body can be realized.

[0029] In the embodiment, the surface roughness RA of the ball 4 is less than or equal to 0.1 μm. Through the index, the ball 4 has strong sealing performance, and the friction and wear during rotation can be effectively reduced. Meanwhile, the small surface roughness value helps to reduce the accumulation and invasion of corrosive media, reduces the corrosion risk, and improves the corrosion resistance of the ball 4.

[0030] The above description shows and describes several preferred embodiments of the utility model, but as described above, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein through the above teaching or related technical or knowledge. The modification and change made by the person skilled in the art without departing from the spirit and scope of the utility model should be within the protection scope of the claims attached to the utility model.

Claims

1. A novel hydraulic control valve, characterized in that, The valve body (1) includes an upper connector (2) and a lower connector (3) fixedly installed at both ends of the valve body (1). The upper connector (2) and the lower connector (3) are both connected to the interior of the valve body (1). A ball (4) is rotatably arranged inside the valve body (1). A through hole is opened on the ball (4). A drive mechanism is provided inside the valve body (1). The drive mechanism can drive the ball (4) to rotate through the transmission component.

2. A novel hydraulic control valve according to claim 1, characterized in that: The transmission assembly includes a rack (6) and a gear (8). The valve body (1) has an assembly groove (103) inside. The rack (6) is slidably disposed in the assembly groove (103). The valve body (1) has an installation groove (104) inside that communicates with the assembly groove (103). A bushing (9) is fixedly installed in the installation groove (104). A connecting shaft (10) is rotatably installed inside the bushing (9). One end of the connecting shaft (10) is fixedly connected to the ball (4). The gear (8) is fixedly sleeved on the end of the connecting shaft (10) away from the ball (4). The rack (6) meshes with the gear (8).

3. A novel hydraulic control valve according to claim 2, characterized in that: The valve body (1) is provided with two sealing rings (5) inside, and the two sealing rings (5) are respectively located at both ends of the ball (4).

4. A novel hydraulic control valve according to claim 3, characterized in that: The drive mechanism includes a first connecting nozzle (101) and a second connecting nozzle (102). Both the second connecting nozzle (102) and the second connecting nozzle (102) are located on the valve body (1). The first connecting nozzle (101) is connected to one end of the assembly groove (103), and the second connecting nozzle (102) is connected to the other end of the assembly groove (103). Both ends of the rack (6) are fixedly connected to pistons (7).

5. A novel hydraulic control valve according to claim 4, characterized in that: The sealing ring (5) is a perfluoroether sealing ring.

6. A novel hydraulic control valve according to claim 5, characterized in that: The surface roughness RA of the sphere (4) is ≤0.1μm.

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