A control valve, handle assembly and fabric cleaning machine

Abstract

The utility model discloses a control valve, handle subassembly and clothery cleaning machine, control valve includes: valve body has the valve cavity, the water inlet channel and the water outlet channel that communicate to the valve cavity and the installation channel that is penetrated to the valve cavity from top to bottom, the valve core includes the main part that is contained in the valve cavity, constitutes the valve stem in the main part and is worn in the installation channel, the valve stem can drive the main part to go up and down in the valve cavity and make the main part have the first position state of plugging the water inlet channel and the water outlet channel and the second position state of the water inlet channel and the water outlet channel, the one end of valve stem is away from the main part and is connected with the sealing member and is closed installation channel by sealing member and is penetrated to the installation channel from top to bottom, and the minimum outside diameter of main part is not less than the maximum outside diameter of installation channel, make the main part be limited in the valve cavity. Its technical scheme can avoid the friction between the outer wall of valve core and the inner wall of valve cavity, effectively reduce the resistance feeling produced in the process of adjusting valve core, and the use experience is better.

Claims

1. A control valve, characterized in that, Comprising: a valve body (1) provided with a valve cavity (11), a water inlet channel (13) and a water outlet channel (14) both communicated with the valve cavity (11), and an installation channel (12) penetrating from top to bottom into the valve cavity (11); a valve core (2) comprising a main body (21) accommodated in the valve cavity (11), and a valve rod (22) formed on the main body (21) and penetrated through the installation channel (12), wherein the valve rod (22) can drive the main body (21) to move up and down in the valve cavity (11), so that the main body (21) has a first position state for blocking the water inlet channel (13) and the water outlet channel (14) and a second position state for conducting the water inlet channel (13) and the water outlet channel (14), and one end of the valve rod (22) away from the main body (21) penetrates upward out of the installation channel (12) and is connected with a sealing member, and the installation channel (12) is closed by the sealing member; and the minimum outer diameter of the main body (21) is not less than the maximum outer diameter of the installation channel (12), so that the main body (21) is limited in the valve cavity (11).

2. The control valve as described in claim 1, characterized in that, the valve cavity (11) is configured as a cavity with an inner diameter gradually increasing in a direction from top to bottom, the water inlet channel (13) and the water outlet channel (14) are arranged in a vertically staggered manner, at least one first sealing ring (24) is embedded on the outer periphery of the main body (21), and in the first position state, the outer edge of the first sealing ring (24) abuts against the inner wall of the valve cavity (11), and the water inlet channel (13) and the water outlet channel (14) are blocked by the main body (21) and the first sealing ring (24).

3. The control valve as described in claim 2, characterized in that, the valve cavity (11) is open downward and closed by a bottom cover (6), a return spring (5) is further installed in the valve cavity (11), and the upper and lower ends of the return spring (5) respectively abut against the main body (21) and the bottom cover (6), so as to urge the main body (21) to reset from the second position state to the direction of the first position state.

4. The control valve as described in claim 3, characterized in that, jiong-shaped buckle plates (61) extending upward are formed on outer edges of two opposite sides of the bottom cover (6), two buckles (17) which correspond to the buckle plates (61) in position and match in shape are arranged on the outer wall of the valve body (1), so that the valve body (1) and the bottom cover (6) are connected in a clamping manner via the buckles (17) and the buckle plates (61).

5. The control valve as described in claim 1, characterized in that, a gap is formed between the outer peripheral wall of the valve rod (22) and the inner peripheral wall of the installation channel (12), a third sealing ring (25) is further embedded on the outer periphery of the valve rod (22), and the outer edge of the third sealing ring (25) abuts against the inner wall of the installation channel (12).

6. The control valve as described in claim 5, characterized in that, the sealing member is a silica gel cover (3) installed at the upper end of the valve body (1), and the upper end of the valve rod (22) is tightly fitted and connected to the silica gel cover (3).

7. The control valve as described in claim 6, characterized in that, an annular pressing plate (4) for limiting the silica gel cover (3) is further fixedly installed at the upper end of the valve body (1), the annular pressing plate (4) is sleeved on the outer periphery of the silica gel cover (3) and connected to the upper end surface of the valve body (1) through a fastener.

8. The control valve as described in claim 3, characterized in that, The main body (21) has a spherical structure and a third annular step (23) in the upward direction. The valve cavity (11) has a fourth annular step (16) in the downward direction. In the first position state, the third annular step (23) and the fourth annular step (16) abut against each other.

9. A handle assembly comprising a handle body (8) and a brush head (9) formed at the front end of the handle body (8), wherein the handle body (8) has a clean water channel (82) for spraying clean water toward the brush head (9) and a wastewater channel (81) for collecting wastewater in a direction away from the brush head (9); characterized in that, The water flow channel (82) is equipped with a control valve as described in any one of claims 1 to 8, and a button (83) is provided on the outer wall of the handle body (8) opposite to the position of the valve stem (22) for controlling the opening and closing of the water flow channel (82) by pressing the button (83).

10. A fabric cleaning machine, characterized in that, The fabric cleaning machine has a handle assembly as described in claim 9, and the clean water tank on the main unit of the fabric cleaning machine is connected to the clean water channel (82) of the handle assembly via a water pump, and the wastewater tank on the main unit is connected to the wastewater channel (81) via a ventilation device.

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