CN208551699U - A kind of spray arm and application have the cleaning machine of the spray arm - Google Patents

Abstract

The utility model relates to the cleaning machines that a kind of spray arm and application have the spray arm, it include spray arm body, spray arm body interior is hollow and is formed with runner, it sprays arm body and is provided with water inlet at bottom center position, it sprays and offers the spray apertures being connected with runner on the wall surface of arm body, it is characterized in that runner at least there are two, it is in O-shaped annular channel, it is respectively at the two sides of water inlet, compared with prior art, the utility model has the advantage of the O-shaped annular channels of spray arm body two sides, the two sides for being respectively at water inlet can effectively be reinforced and the water flow spray pressure at the both ends of balanced spray arm body, the problem for avoiding turbulence intensity caused by due to the suction for treating cleaning materials caused by water pump biases is unbalanced and the length of split channel is different weak, and the sectional area of O-shaped annular channel greatly can be It reduces water pump quantity and still can balance the water flow spray pressure at spray arm both ends in the case where not increasing pump power.

Description

A kind of spray arm and application have the cleaning machine of the spray arm

Technical field

The utility model relates to the cleaning machines that a kind of cleaning machine more particularly to a kind of spray arm and application have the spray arm.

Background technique

Existing water tank cleaning machine is usually realized by two ways and is cleaned: being rotated one is driving cleaning basket and is made water From the top down in spray to cleaning basket, elution is realized to the fruit and vegetable in cleaning basket；Another is then by water pump from clear Water is extracted into certain altitude and then ejected by tub bottom, is realized to fruit and vegetable hydro-peening.

A kind of structure new type water as disclosed in the Chinese patent application No. is 201420767984.1 of the first cleaning Slot cleaning machine, including spray equipment, the cleaning basket being arranged in cleaning barrel, the synchronous motor that cleaning barrel bottom is arranged in, spray Device includes water pump and nozzle, and pump intake setting is in cleaning barrel side wall or bottom, and pump outlet and setting are in cleaning barrel Aqueduct one end of side connects, and the aqueduct other end is opened on the upper side of cleaning basket, and end is provided with adjustable installation The nozzle of angle, synchronous motor drives while cleaning basket rotation, spray equipment cleans the fruits and vegetables spray in cleaning basket. A kind of structure sink as disclosed in the Chinese patent application No. is 201610110965.5 of the applicant of second of cleaning Formula cleaning machine, including water trough body, bottom are provided with water inlet in upper open water pump, and the water outlet part of water pump is spray Arm, spray arm are connect with water trough body, and water pump sprays to carry out fruits and vegetables after sucking the water in water trough body from spray arm Cleaning.

These above-mentioned cleaning devices are typically only capable to carry out spray cleaning (or immersion), and this water flow is for fruits and vegetables The mode of application effect, it is possible to cause the accumulation of fruits and vegetables, and the fruits and vegetables few for some number of surfaces, have certain clear Wash effect, but the fruits and vegetables many for those number of surfaces, such as leafy vegetables, it is more difficult to obtain preferable cleaning effect.For this " a kind of water tank type is washed for the Chinese utility model application for the application 201610110963.6 (notification number CN105662300A) asked someone Clear " such a entirety is disclosed in H-type, the split channel includes being located in the middle lateral split channel and difference Water pump, is biased in the bottom of water trough body, such as the length direction of water trough body by the vertical split channel positioned at two sides One end, due to fruits and vegetables suction of the water pump to the other end on the length direction of water trough body or at the other end compared with It is small, and be easy to generate the device that residue needs to add collection residue at the other end；In order to which balanced spray arm both ends are to fruits and vegetables Suction, the Chinese utility model patent " one of the ZL201621100369.0 (notification number CN206239254U) of this applicant Kind water tank cleaning machine " such a water pump and two spray arms including there are two are disclosed, the split channel is by spray arm First end extends out to second end, the second end of one of spray arm towards another spray arm first end, wherein one The direction of a spray arm nozzle is opposite with the direction of another spray arm nozzle, so that the water flow for spraying two spray arms is common Be formed as cyclic annular rotary water current.Since it is by two spray arms of setting, and the direction of nozzle is set, so that spray apertures are sprayed Water flow out can form cricoid rotary water current, and the spray arm at both ends applies identical active force to fruits and vegetables, so that fruits and vegetables are able to It is rotated in a certain direction in food basket, opposite water trough body and water flow, fruits and vegetables are in motion state, since water flow can be with It is washed into each surface of fruits and vegetables to be cleaned, while the two sides of spray arm being also provided with ultrasonic generator, to obtain Preferable cleaning effect；But it needs to be arranged two water pumps, two spray arms, thus, it is also necessary to further to improve.

For the cleaning machine with dish-washing function, it is generally used rotary spray arm, regardless of being sink The European or drawer type cleaning machine of formula or button fly front, scrubbing space are generally all square, and can always have some dead angles It can not be flushed to by the water flow sprayed from rotary spray arm.

Summary of the invention

A technical problem to be solved in the utility model is to provide one kind for above-mentioned state of the art and only adopt Spray arm both ends water flow spray pressure still can be balanced with a water pump and in the case where not increasing pump power, and keeps rapid Intensity of flow does not weaken to improve the spray arm of cleaning effect.

Another technical problem to be solved in the utility model is to provide one kind for above-mentioned state of the art and answer With the cleaning machine of above-mentioned spray arm.

Technical solution adopted by the utility model to solve the above technical problems is as follows: the spray arm, includes spray arm sheet Body, the spray arm body interior is hollow and is formed with runner, and spray arm body is provided with and the runner at bottom center position The water inlet being connected, it is described spray arm body wall surface on offer the spray apertures being connected with the runner, feature exists In the runner at least there are two, be to be respectively at the two sides of the water inlet in O-shaped annular channel.

It is in that O-shaped annular channel in the distal end in downstream reduces with respect to punching the loss of water kinetic energy to reduce, along water flow side To the annular channel is opened in the distal end in downstream by the barrier of at least one retaining wall.

Further, along water (flow) direction, from upstream to downstream, the sectional area of the annular channel is gradually reduced.Due to ring The sectional area of shape runner is gradually reduced from upstream to downstream, so that the downstream that the flow velocity of water flow is small in sectional area, the flow velocity of water flow It is just big, and the upstream big in sectional area, the flow velocity of water flow are just small, according to bernoulli principle, the flow velocity of fluid is bigger, and pressure is got over Small, the flow velocity of fluid is smaller, and pressure is bigger；The water that the spray apertures of this sample spray arm ontology eject can be big from pressure upstream The small downstream of pressure is pressed to, for this purpose, the water pressure that the spray apertures in spray arm body downstream spray just greatly can be by object to be cleaned It holds up upwards, object to be cleaned is in motion state, and thus water flow can be washed into each surface of object to be cleaned, reach nothing The cleaning at dead angle obtains preferable cleaning effect, in this way it is possible to prevente effectively from the deposition of object to be cleaned and avoiding close to cleaning The position at trough washery chamber two sides dead angle is easy the problem of cleaning dead angle occur because the dynamics of current scour is inadequate.

Further, the annular channel all has at least three spray apertures in every side that the retaining wall separates, and adjacent The distance between the spray apertures of the nearly retaining wall and retaining wall are less than the distance between other adjacent spray apertures.The spray of neighbouring retaining wall The distance between hole and retaining wall are small, then the water flow that can be turned back from retaining wall can quickly can be sprayed from spray apertures, by object to be cleaned It holds up upwards, object to be cleaned is avoided to deposit.Preferably, the opening of the spray orifice of other adjacent spray apertures is inclined to same direction of rotation Tiltedly, after such setting, the water flow sprayed from other spray apertures can be allowed to form a cricoid rotary water current, to be cleaned Object applies active force, so that object to be cleaned is able to rotating in a certain direction, object to be cleaned is in motion state, thus Water flow can be washed into each surface of object to be cleaned, reach the cleaning at no dead angle, obtain preferable cleaning effect.

Further, the inner ring ring wall of the O-shaped annular channel forms a medium pore.

The utility model provides the cleaning machine that a kind of application has above-mentioned spray arm, feature to solve second technical problem It is: includes ultrasonic generator, the lower section of the medium pore is arranged in the ultrasonic generator.Ultrasonic wave occurs Device can issue more uniform ultrasonic wave, further obtain preferable cleaning effect.

Compared with prior art, the utility model has the advantage of the O-shaped annular channels of spray arm body two sides, respectively Two sides in water inlet can effectively reinforce and the water flow spray pressure at the both ends of balanced spray arm body, avoid biasing because of water pump Caused by treat cleaning materials suction is unbalanced and the length of split channel is different and caused by the weak problem of turbulence intensity, and And the sectional area of O-shaped annular channel still can be put down in reduction water pump quantity and in the case where not increasing pump power greatly The water flow spray pressure at weighing apparatus spray arm both ends, so that turbulence intensity be kept not weaken to improve cleaning effect.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of spray arm in the utility model embodiment；

Fig. 2 is the structural schematic diagram of upper spray arm in the utility model embodiment；

Fig. 3 is the cross-sectional view of water trough body in the utility model embodiment.

Specific embodiment

The utility model is described in further detail below in conjunction with figure embodiment.

Referring to FIG. 1 to FIG. 3, the cleaning machine of the utility model is designed particularly suitable for the water tank type with thin-and-long sink Cleaning machine particularly for the cleaning of fruits and vegetables, but is in fact readily applicable to common water tank cleaner and button fly front European cleaning machine and drawer type cleaning machine.

Expansion description is carried out by taking fruit-vegetable cleaner as an example below:

This fruit-vegetable cleaner includes washing cavities water trough body 100, water pump and spray arm, and the bottom of water trough body is arranged in water pump Portion, spray arm are then used as the water outlet part of water pump, and the water that water pump is pumped out sprays to the fruit to be cleaned in water trough body 9 Vegetable etc. is cleaned.In the present invention, it is preferred that water trough body is made for long and narrow shape, thus can not only be better The space (cooperating with other sinks) in user kitchen is adapted to, and relatively rectangular sink can also save water.

Water pump is arranged in the middle position of 100 bottom of water trough body, and water pump includes motor and impeller, impeller include end with The hollow axis of the output axis connection of motor and multiple blades for being uniformly distributed and axially extending on axis circumferential surface, wherein Motor is located at the bottom part down of water trough body, and impeller is then located in the bottom of water trough body, in the present embodiment, it is preferred that The water inlet of water pump is located at the lower section (lower water inlet) of impeller 101, and water inlet is corresponding with the water inlet on spray arm, from bottom Water flow is drawn upwards, the structure of water pump and the applicant application No. is 201610110965.5 Chinese patent or application numbers Identical for 201310752573.5 Chinese patent structure, details are not described herein.It is provided between water pump below spray arm Filter screen, isolation foul enter water pump, prevent spray arm from blocking.

The two sides of the water pump of water trough body are provided with ultrasonic generator 7, and water trough body bottom is additionally provided with outlet device And drain valve, the dirty water after having cleaned can be discharged by outlet device and drain valve.It is additionally provided with food basket in water trough body, is used for Fruits and vegetables to be cleaned are placed, the upper end edge of food basket is shelved on the upper end inner sidewall of water trough body, and the bottom of food basket is located at spray The top of arm, ultrasonic generator 7 and outlet device.

The utility model is not in order to only with a water pump and increase water at the middle part of the water trough body 100 of elongated shape Still spray arm both ends water flow spray pressure can be balanced in the case where pump power, and keeps not weakening for turbulence intensity, spray arm It include spray arm body 1, spray 1 periphery of arm body has convex wall 11 and surrounds and be formed with runner, sprays the top of arm body 1 Face offers the spray apertures communicated with runner, and runner includes middle part adjacent with water inlet and the pressurization runner 2 being connected to and position In pressurization 2 two sides of runner and with the O-shaped annular channel that interlinks of pressurization runner 2, due to the structure of two O-shaped annular channels The similar figure that is centrosymmetric, for ease of description, in the following description, come by taking the O-shaped annular channel in the left side as an example into Row explanation.

Spray arm body 1 can integrated injection molding, for reduce plus difficulty, can be set to two-piece unit connection two Point.Wherein, spray arm body 1 includes upper spray arm 12 and lower spray arm 13, and water inlet is located at the middle part of lower spray arm 13, spray The top surface of upper gushing arm is then arranged in hole.The runner 2 that pressurizes includes opposite the first side wall 21 and second sidewall 22,21 He of the first side wall Second sidewall 22 includes circular arc AB, circular arc BC and the circular arc C D that rounding off is formed by connecting, and the half of circular arc AB, BC and CD The ratio between diameter is R1:R2:R3=(20~35): (15~20): (60~100), the end circular arc C D are connect with 11 transition of convex wall, with Scheme shown in figure is preferred, i.e., on the perspective view of upper spray arm 12, the ratio between radius of circular arc AB, BC and CD is R1: R2:R3=1.33:1:6.66, since the radius of circular arc BC radius opposing arcs AB sharply becomes smaller, the first side wall 21 is in circle BC sections of arc form the diffluence pass that inflection point collectively forms split channel with second sidewall 22, can apply biggish pressure to water flow, and The water flow given into O-shaped annular channel provides an acceleration, thus it is possible to reducing water pump quantity and not increasing Still the water flow spray pressure at spray arm both ends can be balanced in the case where make-up water pump power, thus keep turbulence intensity not weaken with Cleaning effect is improved, and the radius of the radius opposing arcs AB of circular arc C D is big, it can be smoothly after water flow can be made accelerated Into flow manifold, the vortex at diffluence pass can be further reduced.

In addition, in order to reinforce cleaning effect, the two sides of the water pump of water trough body 100 are provided with ultrasonic generator 7, phase It is arranged in answering in the medium pore 3 of inner ring ring wall formation of the O-shaped annular channel of the spray arm on ultrasonic generator 7, spray One end of leaching arm body 1 extends internally the retaining wall 4 to offset with 3 outer wall of medium pore, by retaining wall 4 by O-shaped annular channel End separates, and prevents water flow from crossing and liquidates, and influences discharge pressure, and the hole wall of medium pore 3, which upwardly extends, is formed with inner ring convex wall 31, The first side of inner ring convex wall 31 and the medial surface of convex wall 11 and retaining wall 4 collectively form the first subflow road 5, the first inner ring convex wall 31 second side and the medial surface of convex wall 11 and retaining wall 4 collectively form the second subflow road 6, and spray apertures include and first point The quantity of corresponding second spray orifice on corresponding first spray orifice of circulation road and the second split channel, the first spray orifice and the second spray orifice point Wei not be 4, if quantity is excessive, water flow spray pressure caused by be easy to causeing weaken the phenomenon that, lead to turbulent flow and spraying effect It is weak, it is easy to cause the spray clean range small if quantity is excessively few, is unfolded to describe with 4, respectively spray orifice 1, spray orifice two 20, spray orifice 3 30 and spray orifice 4 40 and spray orifice 5 50, spray orifice 6 60, spray orifice 7 70 and spray orifice 8 80, wherein spray orifice 4 40 The distance between spray orifice 8 80 and retaining wall 4 are less than the distance between other adjacent spray apertures, and are in certain angle with horizontal direction The upward inclination of degree, preferably 30~60 °, what the angle setting of spray orifice 4 40 and spray orifice 8 80 can to turn back from retaining wall 4 The tangential direction that water flow can state 4 spray orifice of retaining wall from neighbour sprays, and fruits and vegetables are held up upwards, fruits and vegetables is avoided to deposit, while also being avoided The loss of this part flow energy.And spray orifice 10, spray orifice 2 20, spray orifice 3 30 and spray orifice 5 50, spray orifice 6 60, spray orifice seven 70 opening direction is towards same direction of rotation, so that being formed from the water flow that the first spray orifice and the second spray orifice eject cricoid Water flow applies active force to fruits and vegetables, so that fruits and vegetables are able to rotate in a certain direction in food basket, opposite water trough body and water Stream, fruits and vegetables are in motion state, and thus water flow can be washed into each surface of fruits and vegetables to be cleaned, reach the clear of no dead angle It is clean, obtain preferable cleaning effect.

In addition, the O-shaped annular channel of the utility model is along water (flow) direction, from upstream to downstream, the sectional area of annular channel by Step reduces.Since the sectional area of annular channel is gradually reduced from upstream to downstream, so that the flow velocity of water flow is in the case where sectional area is small Trip, the flow velocity of water flow is with regard to big, and the upstream big in sectional area, the flow velocity of water flow are just small, according to bernoulli principle, the flow velocity of fluid Bigger, pressure is smaller, and the flow velocity of fluid is smaller, and pressure is bigger；The water that the spray apertures of this sample spray arm ontology eject can be from The big upstream of pressure presses to the small downstream of pressure, for this purpose, the water pressure that the spray apertures in spray 1 downstream of arm body spray is just big i.e. Fruits and vegetables to be cleaned can be held up upwards, fruits and vegetables to be cleaned are in motion state, and thus water flow can be washed into fruits and vegetables to be cleaned Each surface, reach the cleaning at no dead angle, obtain preferable cleaning effect, in this way it is possible to prevente effectively from fruits and vegetables to be cleaned Deposit and avoid the position close to rinse bath washing cavities two sides dead angle to be easy to clean because the dynamics of current scour is inadequate The problem of dead angle.

This fruit-vegetable cleaner is due to using above-mentioned spray arm configuration, when cleaning, intake by lower spray arm 13, process is peculiar Pressurization runner 2, by tap aspirator to the O-shaped annular channel of two sides, each O-shaped annular channel smoothly transits, guarantee hydraulic pressure Stablize, and O-shaped annular channel includes two sub- runners, and it is consistent to control every Shu Shuiliu spray pressure, at flow field end, It is separated by retaining wall 4, prevents water flow from crossing and liquidate, influence discharge pressure.Same direction rotates left and right spray arm in water, point It is not each formed with turbulent flow, turbulence excess makes fruits and vegetables acutely roll, to realize more comprehensive cleaning, has reached using two The cleaning effect that two spray arms of a water pump can be only achieved avoids local location from rinsing sordid phenomenon, but also can save About water.

Claims (6)

1. a kind of spray arm includes spray arm body, the spray arm body interior is hollow and is formed with runner, spray arm sheet Body is provided with the water inlet being connected with the runner at bottom center position, offers on the wall surface of the spray arm body and institute State the spray apertures that runner is connected, it is characterised in that the runner at least there are two, be to locate respectively in O-shaped annular channel In the two sides of the water inlet.

2. spray arm according to claim 1, it is characterised in that: along water (flow) direction, the annular channel is in the case where being in It is opened by the barrier of at least one retaining wall the distal end of trip.

3. spray arm according to claim 2, it is characterised in that: along water (flow) direction, from upstream to downstream, the annular flow The sectional area in road gradually reduces.

4. spray arm according to claim 2 or 3, it is characterised in that: the annular channel separates every in the retaining wall Side all has at least three spray apertures, and the distance between the spray apertures of the neighbouring retaining wall and retaining wall are less than other adjacent sprays Drench the distance between hole.

5. spray arm according to claim 1, it is characterised in that: the inner ring ring wall of the O-shaped annular channel is formed in one Central aperture.

6. the cleaning machine that a kind of application has spray arm as claimed in claim 5, it is characterised in that: include that ultrasonic wave fills It sets, the lower section of the medium pore is arranged in the ultrasonic generator.