Three-way control valve

Abstract

The utility model discloses a three-way control valve which comprises a valve body, a control cavity is arranged in the valve body, the lower end wall of the control cavity is fixedly connected with a fixed base, three cylinders which are mutually connected in a rotating mode are arranged on the upper side of the fixed base, a clamping hole is formed in each cylinder, and each clamping hole is formed by six through holes which are arranged at intervals of 60 degrees. Connecting plates are fixedly connected between the sealing blocks and the cylinders in a one-to-one mode, electric push rods are fixedly connected to the upper end faces of the rotating blocks, the clamping plates can be inserted into the clamping holes, the electric push rods can drive the clamping plates to be inserted into the clamping holes of the cylinders, and a motor can drive the clamping plates to rotate through a driving gear and a driven gear. The three first connecting pipes rotate by 60 degrees each time, so that it can be ensured that the clamping plates can be smoothly inserted into the clamping holes corresponding to the different cylinders when moving up and down, the sealing blocks can be driven to block or open the through holes when the cylinders are driven by the clamping plates to rotate, and the opening and closing control effect of the three first connecting pipes is achieved.

Description

Technical Field

[0001] The utility model relates to the field of valves, in particular to a three-way control valve. Background Art

[0002] As an important tool for controlling water flow, valves often need to control the water flow switches of three water pipes. Three mutually rotatable cylinders are arranged in the valve body, each cylinder is fixedly connected to a sealing block through a connecting plate, and a socket is designed in the cylinder. The socket is formed by six through holes spaced sixty degrees apart, so that different cylinders can be driven to rotate respectively in conjunction with the rotating plate, thereby controlling the rotation of different sealing blocks, blocking or opening the passage between the valve body and the pipeline, and playing the role of switching control of the three pipelines. Utility Model Content

[0003] The purpose of the utility model is to provide a three-way control valve to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a three-way control valve, comprising a valve body, a control chamber is arranged in the valve body, a valve cover for closing the control chamber is fixedly connected to the valve body, a fixed base is fixedly connected to the lower end wall of the control chamber, three cylinders rotatably connected to each other are arranged on the upper side of the fixed base, the cylinder at the lower side is rotatably connected to the fixed base, the cylinder at the upper side is rotatably connected to the valve cover, a clamping hole is arranged in each of the cylinders, the clamping hole is formed by six through holes spaced sixty degrees apart, a sliding groove is arranged in the valve body, and the sliding groove slides Three sealing blocks distributed in a circumferential array are connected, the sealing blocks block the through holes on the valve body, and connecting plates are fixedly connected one by one between the sealing blocks and the cylinders, the valve cover is rotatably connected to a rotating block, the upper end surface of the rotating block is fixedly connected to an electric push rod, the electric push rod is dynamically connected to a push rod, the push rod is fixedly connected to a clamping plate, the clamping plate can be inserted into the clamping hole, so that the electric push rod can drive the clamping plate to be inserted up and down into the clamping holes corresponding to different cylinders, and the rotation of the clamping plate drives the sealing block to rotate and open the through hole.

[0005] Advantageously, the electric push rod is rotatably connected to a fixed plate, and the upper end surface of the fixed plate is fixedly connected to a motor, the motor power is connected to a motor shaft rotatably connected to the upper end surface of the valve cover, the motor shaft is fixedly connected to a driving gear, the rotating block is fixedly connected to a driven gear, the driven gear is meshed with the driving gear, so that the driving gear and the driven gear can be driven to rotate by the motor, thereby driving the clamping plate to rotate sixty degrees each time, ensuring that the clamping plate can be smoothly inserted into the clamping holes corresponding to different cylinders when it moves up and down;

[0006] Advantageously, the lower end surface of the valve body is fixedly connected with a second connecting pipe communicating with the control chamber, and water flows into the control chamber from the second connecting pipe;

[0007] Advantageously, each through hole of the valve body is sealed and fixedly connected with a first connecting pipe;

[0008] Advantageously, both the first connecting pipe and the second connecting pipe are fixedly connected with an annular plate, and the annular plate is sealingly connected to the water outlet pipe and the water inlet pipe through the connecting hole.

[0009] Compared with the prior art, the beneficial effects of the utility model are:

[0010] The utility model is provided with a cylinder, a sealing block and a clamping plate. The electric push rod can drive the push rod and the clamping plate to move up and down, thereby driving the clamping plate to be inserted into the clamping hole of each cylinder. The motor can drive the clamping plate to rotate through the driving gear and the driven gear, and each rotation is sixty degrees, thereby ensuring that when the clamping plate moves up and down, it can be smoothly inserted into the clamping holes corresponding to different cylinders. When the cylinder is driven to rotate by the clamping plate, the sealing block can be driven to block or open the through hole, thereby playing a switch control role of the three first connecting pipes. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0012] Figure 2 for Figure 1 A top view of

[0013] Figure 3 for Figure 2 AA cross-sectional diagram of ;

[0014] Figure 4 for Figure 3 A partial enlarged schematic diagram of

[0015] Figure 5 It is a three-dimensional schematic diagram of the cross section of the valve body of the utility model;

[0016] Figure 6 It is a three-dimensional schematic diagram of the disassembly and installation of the cylinder of the utility model.

[0017] In the figure: 100, valve body; 101, valve cover; 102, first connecting pipe; 103, second connecting pipe; 104, annular plate; 105, fixed plate; 106, electric push rod; 107, driven gear; 108, motor; 109, driving gear; 110, control chamber; 111, sliding groove; 112, fixed base; 113, cylinder; 114, sealing block; 115, connecting plate; 116, rotating block; 117, push rod; 118, clamping plate; 119, clamping hole; 120, through hole; 121, motor shaft. DETAILED DESCRIPTION

[0018] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail in combination with the embodiments below. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model.

[0019] Embodiment 1:

[0020] See also Figure 1-6 The utility model provides a technical solution: a three-way control valve, including a valve body 100, wherein the valve body 100 is provided with a control chamber 110, wherein the valve body 100 is fixedly connected with a valve cover 101 that closes the control chamber 110, wherein the lower end wall of the control chamber 110 is fixedly connected with a fixed base 112, wherein the upper side of the fixed base 112 is provided with three mutually rotatably connected cylindrical bodies 113, wherein the lowermost cylindrical body 113 is rotatably connected with the fixed base 112, and the uppermost cylindrical body 113 is rotatably connected with the valve cover 101, wherein each of the cylindrical bodies 113 is provided with a clamping hole 119, wherein the clamping hole 119 is formed by six through holes spaced sixty degrees apart, wherein a sliding groove 111 is provided in the valve body 100, wherein the sliding groove 111 is slidably connected with three circumferential arrays The distributed sealing block 114 blocks the through hole 120 on the valve body 100, and a connecting plate 115 is fixedly connected between the sealing block 114 and the cylinder 113. The valve cover 101 is rotatably connected with a rotating block 116. The upper end surface of the rotating block 116 is fixedly connected with an electric push rod 106. The electric push rod 106 is dynamically connected with a push rod 117. The push rod 117 is fixedly connected with a clamping plate 118. The clamping plate 118 can be inserted into the clamping hole 119, so that the electric push rod 106 can drive the clamping plate 118 to be inserted up and down into the clamping holes 119 corresponding to different cylinders 113, and the rotation of the clamping plate 118 drives the sealing block 114 to rotate and open the through hole 120.

[0021] The electric push rod 106 is rotatably connected to the fixed plate 105, and the upper end surface of the fixed plate 105 is fixedly connected to the motor 108. The motor 108 is powered by a motor shaft 121 rotatably connected to the upper end surface of the valve cover 101. The motor shaft 121 is fixedly connected to a driving gear 109. The rotating block 116 is fixedly connected to a driven gear 107. The driven gear 107 is meshed with the driving gear 109, so that the driving gear 109 and the driven gear 107 can be driven to rotate by the motor 108, thereby driving the clamping plate 118 to rotate sixty degrees each time, ensuring that the clamping plate 118 can be smoothly inserted into the clamping holes 119 corresponding to different cylinders 113 when moving up and down;

[0022] The lower end surface of the valve body 100 is fixedly connected with a second connecting pipe 103 communicating with the control chamber 110, and water flows into the control chamber 110 from the second connecting pipe 103;

[0023] Each through hole 120 of the valve body 100 is sealed and fixedly connected with a first connecting pipe 102;

[0024] The first connecting pipe 102 and the second connecting pipe 103 are both fixedly connected with an annular plate 104 , and the annular plate 104 is sealed to connect the water outlet pipe and the water inlet pipe through a connecting hole.

[0025] Working principle:

[0026] First, the water inlet pipe is sealed and fixedly connected to the second connecting pipe 103 by screws and other accessories, and the water outlet pipe is sealed and fixedly connected to the first connecting pipe 102, and then water is passed into the control chamber 110 through the second connecting pipe 103;

[0027] Then the motor 108 is started, the motor 108 drives the motor shaft 121 to rotate, the motor shaft 121 drives the driving gear 109 to rotate, the driving gear 109 drives the driven gear 107 to rotate, the driven gear 107 drives the electric push rod 106, the push rod 117 and the clamping plate 118 to rotate, the clamping plate 118 drives the uppermost cylinder 113 to rotate sixty degrees clockwise, thereby driving the sealing block 114 connected to it to rotate sixty degrees clockwise through the connecting plate 115, opening the corresponding through hole 120, so that water can flow out from the corresponding first connecting pipe 102;

[0028] When it is necessary to connect different first connecting pipes 102, the electric push rod 106 is first started to drive the push rod 117 to move downward, and the push rod 117 drives the clamping plate 118 to move downward and insert it into the clamping hole 119 of the required cylinder 113, and then the motor 108 is started to drive the clamping plate 118 to rotate sixty degrees clockwise, thereby rotating the corresponding sealing block 114 to connect the control cavity 110 to the corresponding first connecting pipe 102;

[0029] When it is necessary to close different first connecting tubes 102, first start the electric push rod 106 to drive the clamping plate 118 to move up and down to the corresponding clamping hole 119 of the cylinder 113, and then start the motor 108 to drive the clamping plate 118 to rotate sixty degrees counterclockwise, so as to drive the sealing block 114 to block the corresponding through hole 120, and then close the corresponding first connecting tube 102, thereby achieving the switching control of the three first connecting tubes 102.

[0030] It is obvious to those skilled in the art that various modifications and variations may be made to the disclosed embodiments. Other embodiments will be readily apparent to those skilled in the art in view of the specification and practice of the disclosed system. It is intended that the specification and examples be considered exemplary only, with the true scope of protection being determined by the appended claims and their equivalents.

Claims

1. A three-way control valve, comprising a valve body (100), characterized in that: The valve body (100) is provided with a control chamber (110) inside. The valve body (100) is fixedly connected to a valve cover (101) that closes the control chamber (110). The lower end wall of the control chamber (110) is fixedly connected to a fixed base (112). The upper side of the fixed base (112) is provided with three cylinders (113) that are rotatably connected to each other. The lowermost cylinder (113) is rotatably connected to the fixed base (112), and the uppermost cylinder (113) is rotatably connected to the valve cover (101). Each of the cylinders (113) is provided with a clamping hole (119), and the clamping hole (119) is formed by six through holes spaced sixty degrees apart. The valve body (100) is provided with A sliding groove (111), wherein the sliding groove (111) is slidably connected to three sealing blocks (114) distributed in a circumferential array, wherein the sealing blocks (114) block the through holes (120) on the valve body (100), and connecting plates (115) are fixedly connected one by one between the sealing blocks (114) and the cylinder (113), wherein the valve cover (101) is rotatably connected to a rotating block (116), wherein the upper end surface of the rotating block (116) is fixedly connected to an electric push rod (106), wherein the electric push rod (106) is dynamically connected to a push rod (117), wherein the push rod (117) is fixedly connected to a clamping plate (118), and the clamping plate (118) can be inserted into the clamping hole (119).

2. A three-way control valve according to claim 1, characterized in that: The electric push rod (106) is rotatably connected to a fixed plate (105), and the upper end surface of the fixed plate (105) is fixedly connected to a motor (108). The motor (108) is kinetically connected to a motor shaft (121) rotatably connected to the upper end surface of the valve cover (101). The motor shaft (121) is fixedly connected to a driving gear (109). The rotating block (116) is fixedly connected to a driven gear (107), and the driven gear (107) is meshed with the driving gear (109).

3. A three-way control valve according to claim 2, characterized in that: The lower end surface of the valve body (100) is fixedly connected with a second connecting pipe (103) communicating with the control chamber (110).

4. A three-way control valve according to claim 3, characterized in that: A first connecting pipe (102) is sealed and fixedly connected to each through hole (120) of the valve body (100).

5. A three-way control valve according to claim 4, characterized in that: The first connecting pipe (102) and the second connecting pipe (103) are both fixedly connected to an annular plate (104), and the annular plate (104) is sealingly connected to the water outlet pipe and the water inlet pipe through a connecting hole.

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