A washing machine

Abstract

The application discloses a washing machine, comprising: a machine body, a rotating cylinder is arranged in the machine body, a downflow pipeline is arranged at the bottom of the rotating cylinder, the downflow pipeline is connected with a drain pipe through a damping cylinder, a damping column is arranged in the damping cylinder, a plurality of up-and-down through flow distribution holes are arranged on the damping column, a first mounting groove and a second mounting groove are arranged on the inner side wall of the flow distribution hole, the first mounting groove is arranged in the first mounting groove, a movable cylinder is arranged in the first mounting groove, a movable rod is inserted into the second mounting groove, a third mounting groove is arranged outside the second mounting groove, a first piston is arranged in the second mounting groove below the movable rod, a second piston is arranged at the bottom of the third mounting groove, a third piston is arranged at the upper portion of the third mounting groove, helical blades are arranged on the inner side wall of the movable cylinder, and the helical blades are configured to make the water flow spirally downward. The application converts mechanical energy into heat energy through water flow impact, and reduces noise.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of washing machines, in particular to a washing machine. BACKGROUND

[0002] At present, with the increase of washing demand of user market, the types of washing machines in the market are also more and more. There are both pulsator full-automatic washing machines and drum full-automatic washing machines. During the process of draining water outside the washing machine body, a large "huff huff" noise will be produced, and the water flow impact on air in the late stage of drainage will also bring a large noise, which affects the user's washing experience, and even makes the user complain.

[0003] The current scheme for improving the drainage noise is to improve the appearance structure of the water inlet pipe to reduce the water flow impact in the water inlet pipe, which has poor noise reduction effect. SUMMARY

[0004] The present application aims at the above problems, and provides a washing machine, which solves the defect that the existing washing machine has poor noise reduction effect when draining water by improving the appearance structure of the water inlet pipe to reduce the water flow impact in the water inlet pipe.

[0005] The technical scheme adopted by the present application is as follows:

[0006] A washing machine, comprising: a machine body, a rotating cylinder is arranged in the machine body, a driving structure is arranged at the bottom of the rotating cylinder, the driving structure is used for driving the rotating cylinder to rotate, a downflow pipeline is arranged at the bottom of the rotating cylinder, the downflow pipeline is connected with a drain pipe through a damping cylinder, a damping column is arranged in the damping cylinder, a plurality of up-down through flow holes are arranged on the damping column, a first mounting groove in the form of an annular recess is arranged on the inner side wall of the flow hole, a second mounting groove in the form of an annular recess is arranged on the inner side wall of the first mounting groove, the length of the first mounting groove is smaller than the length of the second mounting groove, a movable cylinder is arranged in the first mounting groove, a movable rod is arranged on the outer side of the movable cylinder, the movable rod is inserted into the second mounting groove, a third mounting groove is arranged on the outer side of the second mounting groove in parallel with the second mounting groove, a first piston is arranged in the second mounting groove below the movable rod, a spring is arranged between the movable rod and the first piston, a second piston is arranged at the bottom of the third mounting groove, the cavity of the second mounting groove below the first piston and the cavity of the third mounting groove below the second piston are communicated through a flow channel, a third piston is arranged at the upper part of the third mounting groove, small-particle-size sound-absorbing balls made of sound-absorbing material are filled between the second piston and the third piston, helical blades are arranged on the inner side wall of the movable cylinder in a spiral manner, and the helical blades are configured to make the water flow in the downflow pipeline spiral downward. In the present application, the water flow in the downflow pipeline enters the damping cylinder, the water flow spirals downward through the up-down through flow holes, the divided water flow enters the flow holes and impacts the movable cylinder, so that the movable cylinder and the movable rod move inwardly and downwardly, the water flow speed is slowed down, the noise caused by the water flow impacting the pipeline is reduced, the helical blades arranged on the inner side wall of the movable cylinder in a spiral manner increase the water flow moving distance and further slow down the water flow speed, the sound-absorbing balls partially move downward into the flow channel when the movable cylinder does not move downward, the movable rod moves downward to push the first piston to move downward and push the sound-absorbing balls to move upward along the third mounting groove so as to be parallel and flush with the movable cylinder, at this time, the water flow impacts the helical blades of the movable cylinder, at this time, the sound-absorbing balls absorb the energy of the sound wave vibration by vibration to convert mechanical energy into heat energy.

[0007] Optionally, the second mounting groove and the third mounting groove are arranged vertically.

[0008] Optionally, the connecting pipe is arranged at the bottom of the second mounting groove and the third mounting groove.

[0009] Optionally, hydraulic oil is filled in the cavity of the second mounting groove below the first piston, the cavity of the third mounting groove below the second piston and the flow channel. In the present application, the hydraulic oil filled in the cavity of the second mounting groove below the first piston, the cavity of the third mounting groove below the second piston and the flow channel avoids the resonance of the excess cavities.

[0010] Optionally, the spiral blade has elasticity.

[0011] Optionally, the spiral blade width gradually converges from the bottom to the top.

[0012] Optionally, the top of the vibration damping cylinder is provided with a plurality of air extraction pipes, each of which is circumscribed by a main air pipe, and a vacuum pump is installed on the main air pipe.

[0013] Optionally, the end of the air extraction pipe is provided with a sealing membrane, the air extraction pipe on one side of the sealing membrane is provided with a first guide arc piece, and the air extraction pipe on the other side of the sealing membrane is provided with a second guide arc piece.

[0014] Optionally, the curvature of the first guide arc piece is smaller than that of the second guide arc piece.

[0015] Optionally, the second guide arc piece of each air extraction pipe extends towards the center of the vibration damping cylinder, and the first guide arc piece of each air extraction pipe is connected to the inner side wall of the vibration damping cylinder.

[0016] (Three) beneficial effects

[0017] 1. The water flow in the downflow pipeline enters the vibration damping cylinder, and the water flow flows downward through the through-flowing shunt hole, the shunted water flow impacts the movable cylinder, causing the movable cylinder and the movable rod to move inwardly downward, reducing the water flow speed and reducing the noise of the water flow impacting the pipeline.

[0018] 2. The cavities of the second installation groove below the first piston and the third installation groove below the second piston and the flow-through groove are filled with hydraulic oil, which avoids the resonance of the excess cavities.

[0019] 3、The spiral blade of the present application has elasticity, and the spiral blade can further slow down the water flow speed. The inclination range is adjusted along with the water flow.

[0020] 4、The present application is provided with a vacuum pump, which reduces the air pressure in the damping cylinder, reduces the water flow extrusion air in the damping cylinder, and produces a series of resonance effects such as amplifying sound.

[0021] 5、The end of the air extraction pipe is provided with a sealing film, which is used to avoid water flow being extracted into the air extraction pipe, and the first guide arc piece and the second guide arc piece bounce the water flow flowing upward to the air extraction pipe and cooperate with the gravity of the water flow to return to the damping cylinder, avoiding the water flow completely blocking the air extraction pipe. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a cross-sectional structure diagram of a washing machine of embodiment 1 of the present application;

[0023] Figure 2 is a damping cylinder cross-sectional structure diagram of a washing machine of embodiment 1 of the present application;

[0024] Figure 3 is a washing machine of embodiment 1 of the present application Figure 2 A partial enlarged view of part A.

[0025] The reference signs in the drawings are as follows:

[0026] 1, machine body, 2, rotating cylinder, 3, drive structure, 4, downflow pipeline, 5, damping cylinder, 6, damping column, 7, shunt hole, 8, first mounting groove, 9, second mounting groove, 10, movable cylinder, 11, movable rod, 12, third mounting groove, 13, first piston, 14, second piston, 15, flow-through groove, 16, third piston, 17, second guide arc piece, 18, spiral blade, 19, air extraction pipe, 20, main air pipe, 21, vacuum pump, 22, sealing film, 23, first guide arc piece, 24, drain pipe, 25, spring.

[0027] DETAILED DESCRIPTION

[0028] The specific implementation of the present application will be further described in detail in combination with the drawings and examples. The following examples are used to illustrate the present application, but not to limit the scope of the present application.

[0029] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" and the like are only for the purpose of description and cannot be understood as indicating or implying relative importance. In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0030] Embodiment 1

[0031] The technical solutions adopted by the present application are as follows:

[0032] As Figure 1 , Figure 2 and Figure 3The washing machine is characterized in that the second installation groove and the third installation groove are vertically arranged; the connecting pipe is arranged at the bottom of the second installation groove and the third installation groove; the cavity of the second installation groove below the first piston and the cavity of the third installation groove below the second piston are filled with hydraulic oil; the spiral blade is elastic; the spiral blade width gradually converges from the bottom to the top; the top of the damping cylinder is provided with a plurality of air extraction pipes, each of the air extraction pipes is circumscribed by a main air pipe, and the main air pipe is provided with a vacuum pump; the end of the air extraction pipe is provided with a sealing film; the air extraction pipe on one side of the sealing film is provided with a first guide arc piece; the air extraction pipe on the other side of the sealing film is provided with a second guide arc piece; the curvature of the first guide arc piece is smaller than that of the second guide arc piece; the second guide arc piece of each of the air extraction pipes extends to the center of the damping cylinder; and one end of the first guide arc piece of each of the air extraction pipes is connected to the inner side wall of the damping cylinder.

[0033] The second installation groove and the third installation groove are vertically arranged. The connecting pipe is arranged at the bottom of the second installation groove and the third installation groove. The cavity of the second installation groove below the first piston and the cavity of the third installation groove below the second piston and the flow-through groove are filled with hydraulic oil. The spiral blade is elastic. The spiral blade width gradually converges from the bottom to the top. The top of the damping cylinder is provided with a plurality of air extraction pipes, and each of the air extraction pipes is circumscribed by a main air pipe. The main air pipe is provided with a vacuum pump. The end of the air extraction pipe is provided with a sealing film. The air extraction pipe on one side of the sealing film is provided with a first guide arc piece. The air extraction pipe on the other side of the sealing film is provided with a second guide arc piece. The curvature of the first guide arc piece is smaller than that of the second guide arc piece. The second guide arc piece of each of the air extraction pipes extends to the center of the damping cylinder. One end of the first guide arc piece of each of the air extraction pipes is connected to the inner side wall of the damping cylinder.

[0034] When the embodiment is implemented, the water flow in the lower pipeline enters the slow-vibration cylinder, and the water flow flows downward through the through-dividing hole, and the divided water flow entering the dividing hole will impact the movable cylinder, so that the movable cylinder and the movable rod move inwardly downward, slow down the water flow speed, and reduce the noise of the water flow impacting the pipeline. The helical blades arranged on the inner side wall of the movable cylinder increase the water flow moving stroke, further slow down the water flow speed, and the sound-absorbing balls partially move downward into the flow-through groove when the movable cylinder does not move downward, and the movable rod moving downward pushes the first piston to move downward, pushes the sound-absorbing balls to move upward along the third installation groove, so that the sound-absorbing balls are parallel and flush with the movable cylinder, and at this time the water flow impacts the helical blades of the movable cylinder, at this time the sound-absorbing balls absorb the energy of the sound wave vibration by vibration to convert mechanical energy into heat energy. The helical blades can further slow down the water flow speed. And adjust the inclination amplitude with the water flow impact. The vacuum pump reduces the air pressure in the slow-vibration cylinder, reduces the water flow extrusion air in the slow-vibration cylinder, and produces a series of effects such as resonance and amplification of sound.

[0035] The sealing film is arranged at the end of the air extraction pipe, and is used to avoid the water flow being extracted into the air extraction pipe, and the first guide arc piece and the second guide arc piece are used to bounce the water flow flowing upward to the air extraction pipe and cooperate with the gravity of the water flow to return to the slow-vibration cylinder, so as to avoid that the water flow completely blocks the air extraction pipe.

[0036] The above only describes the preferred embodiments of the present application, and does not limit the patent protection scope of the present application, and any equivalent structural transformation, direct or indirect application in other related technical fields, is also included in the protection scope of the present application.

Claims

1. A laundry machine characterized by, The utility model provides a kind of water purifier, including: body, the rotating cylinder is equipped in the body, the rotating cylinder bottom is equipped with drive structure, the drive structure is used to drive rotating cylinder rotation, the rotating cylinder bottom is equipped with lower flow line, the lower flow line is connected drain pipe by buffering cylinder, the buffering cylinder is equipped with shock-absorbing column, the shock-absorbing column is equipped with multiple up-and-down through-flowing shunt holes, the inboard of the shunt hole is equipped with annular first installation groove formed by the inboard recess of side wall and the second installation groove in the inboard of first installation groove being communicated, the length of first installation groove is less than the length of second installation groove, first installation groove is equipped with movable cylinder, the outboard of the movable cylinder is equipped with movable rod, the movable rod is inserted into second installation groove, the outboard of second installation groove is equipped with third installation groove being arranged in parallel with second installation groove, first piston is equipped in the second installation groove below movable rod, spring is equipped between movable rod and first piston, the bottom of third installation groove is equipped with second piston, the cavity of second installation groove below first piston and the cavity of third installation groove below second piston are communicated by flow-through groove, the upper portion of third installation groove is equipped with third piston, the second piston and third piston are filled with sound-absorbing ball of small particle size made of sound-absorbing material, the inboard wall of movable cylinder is spirally arranged helical blade, the helical blade is configured to make the water flow of lower flow line spirally downward flow;The cavity of second installation groove below first piston and the cavity of third installation groove below second piston and flow-through groove are filled with hydraulic oil;The helical blade has elasticity;The top of buffering cylinder is equipped with multiple air extraction pipes, multiple air extraction pipes are all circumscribed main air pipe, vacuum pump is equipped on main air pipe;The end of air extraction pipe is equipped with sealing membrane, the air extraction pipe on the side of sealing membrane is equipped with first guide arc piece, the air extraction pipe on the other side of sealing membrane is equipped with second guide arc piece;The curvature of first guide arc piece is less than the curvature of second guide arc piece;Second guide arc piece of multiple air extraction pipes all extends to the center of buffering cylinder, and the first guide arc piece of multiple air extraction pipes is connected with the inboard wall of buffering cylinder at one end;Movable rod moves downward to push first piston to move downward, push sound-absorbing ball to move upward along third installation groove, so that it is parallel with movable cylinder, at this time, water flow hits the helical blade of movable cylinder, at this time, sound-absorbing ball absorbs the energy of sound wave vibration by vibration, and converts mechanical energy into heat energy.

2. A laundry machine as claimed in claim 1, characterized in that, The second installation groove and the third installation groove are vertically arranged.

3. A laundry machine as claimed in claim 1, characterized in that, The helical blade width gradually converges from bottom to top.

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