CN104712584B - Washing pump and dish-washing machine - Google Patents

Washing pump and dish-washing machine Download PDF

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Publication number
CN104712584B
CN104712584B CN201410124407.5A CN201410124407A CN104712584B CN 104712584 B CN104712584 B CN 104712584B CN 201410124407 A CN201410124407 A CN 201410124407A CN 104712584 B CN104712584 B CN 104712584B
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China
Prior art keywords
pump case
hollow cavity
washing
inwall
lower pump
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CN201410124407.5A
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CN104712584A (en
Inventor
郭传江
高峰
牛莲静
邹凌
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Wuhu Midea Smart Kitchen Appliance Manufacturing Co Ltd
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Midea Group Co Ltd
Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
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Publication of CN104712584A publication Critical patent/CN104712584A/en
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Abstract

The present invention is applied to dishwasher structure technical field, disclose a kind of washing pump and the dish-washing machine with the washing pump, washing pump includes lower pump case, upper pump case and seal, upper pump case has the first hollow cavity, the first spirality diffusion runner is provided with first hollow cavity, lower pump case has the second hollow cavity, and the second spirality diffusion runner is provided with the second hollow cavity;Upper pump case is fastenedly connected lower pump case by rotary fastening mode, and the middle part outer wall of lower pump case is concavely provided with annular recess, and seal is contained in annular recess and the inwall by the first hollow cavity is pressed in annular groove groove;Lead column is convexly equipped with the inwall of the first hollow cavity, the top outer wall of lower pump case is concavely provided with guide chute, and lead column is slidably mounted in guide chute.The present invention, on the one hand improves the Performance of washing pump, and then improves the water conservancy efficiency of washing pump;On the other hand improve the production and assembly efficiency of washing pump and reduce the design processing cost of washing pump.

Description

Washing pump and dish-washing machine
Technical field
The invention belongs to dishwasher structure technical field, more particularly to a kind of washing pump and washing the dishes with the washing pump Machine.
Background technology
The washing pump of dish-washing machine is assembled by upper pump case and lower pump case, wherein, upper pump case and lower pump case have the respectively One hollow cavity and the second hollow cavity, and upper pump case is provided with the water inlet and delivery port connected with the first hollow cavity.
It is known that the connection between upper pump case and lower pump case should be realized being fastenedly connected, realize being tightly connected again, be Both connection effects are realized simultaneously, the washing pump of prior art, the connected mode between upper pump case and lower pump case substantially may be used It is divided into following two:
One kind be between upper pump case and lower pump case directly using sweat soldering mode connect simultaneously realize be fastenedly connected with it is close Envelope connection, this connected mode is not required to set screens portion and sealing on upper pump case and lower pump case, and its structure is simpler It is single, but, because sweat soldering mode is non-removable connected mode(Upper pump case and lower pump case can be damaged after dismounting), therefore, The problem that this connected mode can cause pump case and cannot be dismantled after being connected with lower pump case occurs, so as to be unfavorable for the day of washing pump Repair and maintenance afterwards.
Another kind is by setting screens portion and sealing on upper pump case and lower pump case, with by snapping connection and installing O-ring seal realizes being fastenedly connected and being tightly connected for pump case and lower pump case respectively, although this connected mode can be washed conveniently Wash the repair and maintenance in the future of pump.But, this connected mode, in order to reduce the engagement height of upper pump case and lower pump case(Upper pump case The face contact height of inwall and lower pump case outer wall)To improve the sealing property of washing pump and reduce the volume of washing pump, it is necessary to The height of the part in pump case in the insertion of lower pump case is set relatively low, so, it will cause the buckle boss on lower pump case Can be higher than for housing the annular recess of O-ring seal, so as to cause the annular recess and clamping boss can not be in same part Upper depanning manufacture.Therefore, using this connected mode in the prior art, lower pump case is typically designed as split-type structural, i.e., under Two parts are formed by connecting pump case again, and lower pump case is specifically by for inserting the top insertion section in upper pump case and with annular recess Part and the bottom projecting member with buckle boss are constituted, and this split-type structural of lower pump case can cause the part of washing pump Quantity is more, and the manufacturing of lower pump case needs to design two moulds, so that the design processing cost of lower pump case is higher.
Additionally, the washing pump of prior art, general that spirality diffusion stream is only set in the first hollow cavity of upper pump case Road, and the inwall of the second hollow cavity of lower pump case is typically designed as simple plane or the cone with certain angle of inclination Face, so, it is not strong to ultimately result in the Performance for enclosing the space for being formed by the first hollow cavity and the second hollow cavity, so that The conservancy property and efficiency of washing pump are had a strong impact on.
The content of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, there is provided a kind of washing pump and with the washing pump Dish-washing machine, it is aimed to solve the problem that, and existing washing pump Performance is strong, hydraulic efficiency is low and upper pump case passes through buckle with lower pump case Connection and mounting O-shaped sealing ring realize being fastenedly connected and being tightly connected pump case at present respectively need to be designed as split-type structural and cause The technical problem of lower pump casing design high processing costs.
In order to achieve the above object, the technical scheme is that:A kind of washing pump, including lower pump case, cover and be fixed on Upper pump case on the lower pump case and the seal between the lower pump case and the upper pump case, the upper pump case have the One hollow cavity, water inlet and delivery port, are provided with the first spirality diffusion runner, the lower pump case in first hollow cavity With the axis hole that the second hollow cavity and power supply arbor wear, rotation direction is provided with second hollow cavity with first spiral The second consistent spirality diffusion runner of shape diffusion runner rotation direction;The upper pump case is fastenedly connected described by rotary fastening mode Lower pump case, the middle part outer wall of the lower pump case is concavely provided with annular recess, and the seal is contained in the annular recess simultaneously It is pressed in the annular groove groove by the inwall of first hollow cavity;It is convexly equipped with the inwall of first hollow cavity Lead column, the top outer wall of the lower pump case is concavely provided with guide chute, and the lead column is slidably mounted on the guide chute It is interior.
Specifically, it is convexly equipped with the first screens portion on the outer wall of the upper pump case, the lower pump case includes being inserted in described the Insertion section in one hollow cavity, it is convexly equipped in the insertion section bottom and the flange that is stuck in outside first hollow cavity and projection In the second screens portion on the top surface of the flange, the first screens portion is connected with the second screens portion rotary fastening, institute State the recessed middle position in the insertion section of annular recess, top outer wall of the guide chute located at the insertion section On.
More specifically, the second screens portion includes the first vertical portion, the edge that are upwardly extended along the outer edge of the flange The top of first vertical portion is to the portion anyhow of side extension where the center of the lower pump case and located at first vertical portion One of sidepiece the second vertical portion, first vertical portion, the portion anyhow and second vertical portion enclose to form a positioning Draw-in groove, the first screens portion rotary fastening is in the locating groove.
Further, elastic clamping boss is also convexly equipped with the outer wall of the upper pump case, the first screens portion is located at institute State at the bottom margin towards the flange of pump case, between the bottom margin of the elastic clamping boss and the upper pump case is in Away from setting, and the elastic clamping boss is in along the circumferential direction to shift to install with the first screens portion, and the elastic screens is convex Platform and the first screens portion are respectively positioned at the both sides of second vertical portion.
Specifically, the trend that the first spirality diffusion runner is tapered into opening section along the delivery port is to institute Side where stating water inlet extends spirally, and the top of the lower pump case offers the otch relative with the delivery port, described second Spirality diffusion runner is extended spirally with the trend that opening section is tapered into along the otch to side where the axis hole.
Further, the first cut water is additionally provided with first hollow cavity, one end of first cut water extends connection The inwall of the delivery port, the other end extends the inwall of connection first hollow cavity;Also set in second hollow cavity There is the second cut water, one end of second cut water extends the inwall of the connection otch, and the other end extends in connection described second The inwall of empty inner chamber, and second cut water is oppositely arranged with first cut water in upper-lower position.
Further, the first groove is provided between the inwall of first cut water and first hollow cavity, it is described Lead column is provided with second recessed in first groove between the inwall of second cut water and second hollow cavity Groove.
Specifically, first cut water includes first straight line slanting baffle and the first arcuation baffle plate, the first straight line Slanting baffle extends along a madial wall of the delivery port in first hollow cavity, one end light of the first arcuation baffle plate Slip over and cross the connection first straight line slanting baffle, the other end smoothly transits and connects the inwall of first hollow cavity, described the The inwall of one arcuation baffle plate, first straight line slanting baffle and first hollow cavity encloses to form first groove.
Specifically, second cut water includes second straight line slanting baffle and the second arcuation baffle plate, second straight line slanting baffle edge One madial wall of otch extends in second hollow cavity, and one end of the second arcuation baffle plate smoothly transits described in connection Second straight line slanting baffle, the other end smoothly transits and connects the inwall of second hollow cavity, the second arcuation baffle plate, described The inwall of second straight line slanting baffle and second hollow cavity encloses to form second groove.
The washing pump that the present invention is provided, by setting the second spirality diffusion runner on lower pump case, can make the second spiral Shape diffusion runner forms a complete spirality diffusion runner with the first spirality diffusion runner on upper pump case, it is ensured that spiral The consistency and integrality of shape diffusion runner, and cause to obtain larger diffusion space in washing pump, improve washing pump Performance, and then improve the conservancy property and efficiency of washing pump, is how to reduce washing pump volume and reduction is washed the dishes function The problem of consumption provides new solution.Meanwhile, its by the projection lead column on the inwall of upper pump case, on the top of lower pump case Recessed guide chute on the outer wall of end, and lead column is slidably mounted in guide chute, so, because guide chute is eliminated down The portion of material of pump case top outer wall, therefore, the contact area between lower pump case outer wall and upper pump housing endophragm is effectively reduced, this Sample, on the one hand reduces the engagement height of pump case and lower pump case(The face contact height of upper pump housing endophragm and lower pump case outer wall), So as to beneficial to the sealing property and the volume of reduction washing pump for improving washing pump;On the other hand pump case is reduced to be filled with lower pump case Frictional resistance during matching somebody with somebody, improves the efficiency of assembling of pump case and lower pump case;Another further aspect lead column is matched somebody with somebody with guide chute Conjunction can also play positioning action to upper pump case with the assembling of lower pump case, so that beneficial to the assembly precision for improving upper pump case and lower pump case And efficiency of assembling.The washing pump that the present invention is provided, upper pump case and lower pump case are realized being fastenedly connected, passed through by rotary fastening mode The mode for installing seal is realized being tightly connected, and by the setting of lead column and guide chute, can be in pump case in reduction with On the premise of pump case engagement height, it is integrally formed lower pump case and manufactures and designs, effectively reduce the number of components of washing pump, reduces The number of molds of lower pump case, reduces the design processing cost of lower pump case.
Present invention also offers a kind of dish-washing machine, it includes body, and above-mentioned washing pump is provided with the body.
The dish-washing machine that the present invention is provided, as a result of above-mentioned washing pump, therefore, on the one hand improve the diffusion of washing pump Performance, and then improve the conservancy property and efficiency of washing pump;On the other hand the production and assembly efficiency and drop of washing pump are improve The low design processing cost of washing pump, so as to reduce the design processing cost of dish-washing machine, improves the comprehensive city of dish-washing machine Field competitiveness.
Brief description of the drawings
Fig. 1 is cross-sectional view of the washing pump provided in an embodiment of the present invention on screwing after pump case and lower pump case;
Fig. 2 is cross-sectional view of the washing pump provided in an embodiment of the present invention on screwing before pump case and lower pump case;
Fig. 3 is the dimensional structure diagram of washing pump provided in an embodiment of the present invention;
Fig. 4 is the main view generalized section of washing pump provided in an embodiment of the present invention;
Fig. 5 is the dimensional structure diagram one of lower pump case provided in an embodiment of the present invention;
Fig. 6 is the dimensional structure diagram two of lower pump case provided in an embodiment of the present invention;
Fig. 7 is the dimensional structure diagram of upper pump case provided in an embodiment of the present invention;
Fig. 8 is the dimensional structure diagram of impeller provided in an embodiment of the present invention;
Fig. 9 is the dimensional structure diagram of disintegrating slag blade provided in an embodiment of the present invention.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
As shown in figures 1-4, washing pump provided in an embodiment of the present invention, including lower pump case 1, cover and be fixed on lower pump case 1 Upper pump case 2 and the seal 3 between lower pump case 1 and upper pump case 2, upper pump case 2 have the first hollow cavity 201, water inlet Mouth 202 and delivery port 203, the first spirality diffusion runner 204, water inlet 202 and delivery port are provided with the first hollow cavity 201 203 are connected with the first hollow cavity 201, and water inlet pipe 26 is provided with water inlet 202, and outlet pipe 27 is provided with delivery port 203, under Pump case 1 has the axis hole 102 that the second hollow cavity 101 and power supply arbor wear, and axis hole 102 is connected with the second hollow cavity 101, And second hollow cavity 101 located at the top near upper pump case 2 of lower pump case 1, axis hole 102 is located at lower pump case 1 away from upper pump The bottom of shell 2, rotation direction second spiral shell consistent with the rotation direction of the first spirality diffusion runner 204 is provided with the second hollow cavity 101 Rotation shape diffusion runner 104;Upper pump case 2 is fastenedly connected lower pump case 1, the middle part outer wall fovea superior of lower pump case 1 by rotary fastening mode Annular recess 111 is provided with, seal 3 is contained in annular recess 111 and the inwall by the first hollow cavity 201 is pressed in ring In geosynclinal concave groove;Lead column 21 is convexly equipped with the inwall of the first hollow cavity 201, the top outer wall of lower pump case 1 is concavely provided with guiding Chute 112, lead column 21 is slidably mounted in guide chute 112.The washing pump that the present invention is provided, is set by lower pump case 1 Second spirality diffusion runner 104, can make the first spirality diffusion stream on the second spirality diffusion runner 104 and upper pump case 2 Road 204 forms a complete spirality diffusion runner, it is ensured that the consistency and integrality of spirality diffusion runner, and causes to wash Wash and larger diffusion space 10 obtained in pump, improve the Performance of washing pump, improve washing pump conservancy property and Efficiency, new solution is provided how to reduce washing pump volume and reduce the problem of dish-washing machine energy consumption.Meanwhile, it passes through The projection lead column 21 on the inwall of upper pump case 2, the recessed guide chute 112 on the top outer wall of lower pump case 1, and make lead column 21 are slidably mounted in guide chute 112, so, the part material of the top outer wall of lower pump case 1 are eliminated due to guide chute 112 Material, therefore, the contact area between the outer wall of lower pump case 1 and the inwall of upper pump case 2 is effectively reduced, so, on the one hand reduce pump The engagement height of shell 2 and lower pump case 1(The face contact height of the inwall of upper pump case 2 and the lower outer wall of pump case 1), so as to be washed beneficial to improving The sealing property of pump and the volume of reduction washing pump;On the other hand pump case 2 is reduced with friction resistance in the lower assembling process of pump case 1 Power, improves the efficiency of assembling of pump case 2 and lower pump case 1;Another further aspect lead column 21 can also be right with the cooperation of guide chute 112 Upper pump case 2 plays positioning action with the assembling of lower pump case 1, so that beneficial to the assembly precision and dress that improve upper pump case 2 and lower pump case 1 With efficiency.The washing pump that the present invention is provided, upper pump case 2 and lower pump case 1 are realized being fastenedly connected by rotary fastening mode, by peace The mode for filling seal 3 is realized being tightly connected, and by the setting of lead column 21 and guide chute 112, can in reduction pump case 2 On the premise of the lower engagement height of pump case 1, it is integrally formed lower pump case 1 and manufactures and designs, effectively reduces the component count of washing pump Amount, reduces the number of molds of lower pump case 1, reduces the design processing cost of lower pump case 1.
Specifically, as shown in Figure 1, Figure 2, shown in Fig. 5, Fig. 6 and Fig. 7, lead column 21 is provided with least two, and guide chute 112 is in Arc groove shape, the arc length of wire chute is farthest located at two lead columns 21 of head and end more than distance in each lead column 21 Distance(It is head end positioned at screw direction forefront, is end positioned at screw direction rearmost).In specific installation process, can First the fit end wall body of guide chute 112 of the lead column 21 of end is positioned, now the lead column 21 of head end be oriented to Between the head end wall body of chute 112 have certain spacing, and upper pump case 2 initial installation sign 200 with lower pump case 1 on just The installation sign 100 that begins just aligns, and so, is made with the positioning of the end wall body of guide chute 112 by the lead column 21 of end With the accuracy that can be assembled with lower pump case 1 beneficial to the upper pump case 2 of guarantee;And after edge screws direction and screws upper pump case 2, head end Lead column 21 is resisted against on the head end wall body of guide chute 112, so, can play what upper pump case 2 and lower pump case 1 were installed in place Positioning action, it is ensured that the accuracy that upper pump case 2 is assembled with lower pump case 1.
Preferably, lead column 21 is provided with six, and six lead columns 21 are uniform at equal intervals along the inwall of the first hollow cavity 201 Distribution, so, it is ensured that lead column 21 is oriented to the stationarity slided with guide chute 112.Of course, in concrete application, according to The difference of upper pump case 2 and the lower body size of pump case 1, the quantity of lead column 21 is also preferably set to other numerical value.
Preferably, the rectangular shape of lead column 21 or semi-cylindrical or semiellipse column, profile and the guiding of guide chute 112 The contoured fit of post 21 is set, and so, the structure of lead column 21 and guide chute 112 can be made fairly simple, it is easy to which design adds Work.Of course, in concrete application, lead column 21 is also designed to other irregular curved shapes or other are half polygon-shaped etc..
Specifically, as shown in Fig. 1 and Fig. 5~7, the first screens portion 24 is convexly equipped with the outer wall of upper pump case 2, lower pump case 1 is wrapped Include be inserted in the first hollow cavity 201 insertion section 11, be convexly equipped in the bottom of insertion section 11 and be stuck in outside the first hollow cavity 201 Flange 12 and the second screens portion 13 for being convexly equipped on the top surface of flange 12, the first screens portion 24 and the turn buckle of the second screens portion 13 Connection is closed, the recessed middle position in insertion section 11 of annular recess 111, guide chute 112 is located at outside the top of insertion section 11 On wall.The setting of guide chute 112, can be on the premise of pump case under reduction 1 with the face contact height of upper pump case 2 so that lower pump case 1 Insertion section 11, the screens portion 13 of flange 12 and second be integrally formed design, effectively reduce the design processing cost of lower pump case 1. First screens portion 24 is connected with the rotary fastening in the second screens portion 13, and achievable upper pump case 2 is fastenedly connected with lower pump case 1, and Its disassembly process is realized by the upper pump case 2 of rotation or lower pump case 1, and disassembly process is convenient, be easily achieved, beneficial to improving upper pump case 2 with the efficiency of assembling and removal efficiency of lower pump case 1, substantially increase the assembling production efficiency of pump case 2 and lower pump case 1, and give The repair and maintenance in the future of washing pump brings great convenience.
Specifically, as shown in figure 5, the second screens portion 13 includes the first vertical portion upwardly extended along the outer edge of flange 12 131st, along the portion anyhow 132 of side extension where the center of the downward pump case 1 in top of the first vertical portion 131 and located at the first vertical portion Second vertical portion 133 of one of 131 sidepieces, anyhow the first vertical portion 131, the vertical portion 133 of portion 132 and second enclose to form certain Position draw-in groove 130, the rotary fastening of the first screens portion 24 is in locating groove 130.The rotary fastening of first screens portion 24 is installed on positioning After in draw-in groove 130, portion 132 can limit the upward moving displacement in the first screens portion 24 anyhow, and the second vertical portion 133 can limit first Screens portion 24 is along screwing direction(Screw the direction of pump case 2 and lower pump case 1)The moving displacement of rotation, so as to effectively realize One screens portion 24 is fastenedly connected with the second screens portion 13.The present embodiment, rotates clockwise pump case 2 to screw pump case 2 With the direction of lower pump case 1, pump case 2 is to unscrew upper pump case 2 with the direction of lower pump case 1 in rotate counterclockwise.Of course, specifically should In, also locating groove can be set in the first screens portion 24(It is not shown), with by the second screens portion 13 and the first screens portion 24 The rotary fastening connection of locating groove realize being fastenedly connected for the first screens portion 24 and the second screens portion 13.
Further, the perforate 121 relative with locating groove 130 is provided with as shown in fig. 6, being also extended through on flange 12, that is, is opened Hole 121 is along locating groove 130 downward through being arranged on flange 12.Setting for perforate 121 can be beneficial to going out for the second screens portion 13 Mold forming, so that beneficial to the crudy for ensureing lower pump case 1.
Further, as shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 7, elastic clamping boss is also convexly equipped with the outer wall of upper pump case 2 25, the first screens portion 24 at the bottom margin towards flange 12 of upper pump case 2, elastic clamping boss 25 and upper pump case 2 Bottom margin is set in spacing, and elastic clamping boss 25 is in along the circumferential direction to shift to install with the first screens portion 24, is screwed The elastic screens portion 24 of clamping boss 25 and first is located in the both sides of the second vertical portion 133 respectively after pump case 2 and lower pump case 1.Bullet Property clamping boss 25 screw front of the direction located at the first screens portion 24 along upper pump case 2 and lower pump case 1, that is, screw pump case 2 During lower pump case, elastic clamping boss 25 first passes through the second screens portion 13, the second screens of ability precession portion of the first screens portion 24 In 13 locating groove 130.After upper pump case 2 is screwed with lower pump case 1, the second screens portion 13 can limit elastic clamping boss 25 to rotation Loose measure to(Unscrew the direction of 2 times pump cases of pump case 1)The moving displacement of rotation, that is, prevent pump case 2 to unscrewing what direction rotated Moving displacement, effectively prevent the first screens portion 24 and is slipped from locating groove 130 and gone out, so as to ensure that upper pump case 2 with The solid and reliable property that pump case 1 is fastenedly connected.
Specifically, as shown in Figure 1 and Figure 7, elastic clamping boss 25 includes the arcuation shell fragment being convexly equipped on the outer wall of pump case 2 251, the bottom of arcuation shell fragment 251 is in the vertical range edge rotation at the top of arc surfaced, and its arc surfaced bottom to the first screens portion 24 Tight direction becomes larger, i.e., arcuation shell fragment 251 is vertical at the top of the bottom to the first screens portion 24 for screwing direction end Distance is maximum, the vertical range positioned at bottom to the top of the first screens portion 24 for screwing direction head end of arcuation shell fragment 251 is minimum, And the vertical range at the top of the bottom to the first screens portion 24 for screwing direction end of arcuation shell fragment 251 is less than portion anyhow 132 vertical thickness, so as to ensure that arcuation shell fragment 251 can not be logical from the top in the second screens portion 13 in the presence of external force is not received Cross, so, after upper pump case 2 is screwed with lower pump case 1, the mutual counter-active effect in the screens portion 13 of arcuation shell fragment 251 and second can be limited Arcuation shell fragment 251 processed effectively prevents pump case 2 that appearance pine is connected with lower pump case 1 to unscrewing the moving displacement that direction rotates De- phenomenon, it is ensured that the fastening reliability that upper pump case 2 is connected with lower pump case 1;And when needing the upper pump case 2 of dismounting with lower pump case 1, Can staff pull upwards arcuation shell fragment 251 deform after arcuation shell fragment 251 is slipped over from the top in the second screens portion 13.
Further, as shown in Figure 1 and Figure 7, elastic clamping boss 25 also includes strengthening projection 252, strengthens the edge of projection 252 Direction is screwed located at the leading section of arcuation shell fragment 251, the bottom for strengthening projection 252 is more than to the vertical range in the first screens portion 24 And strengthen the bottom to the top of the first screens portion 24 of projection 252 to the vertical range in the first screens portion 24 in the bottom of arcuation shell fragment 251 Vertical thickness of the vertical range more than portion 132 anyhow, so, it is ensured that the company of pump case 2 and lower pump case 1 on screwing or unscrewing In termination process, strengthening projection 252 can pass through in the case of not acted on and being deformed by external force from the top in the second screens portion 13.Plus The setting of strong projection 252 is mainly used in strengthening the intensity of elastic clamping boss 25, to prevent the damage easily of elastic card position boss 25 It is bad.
Preferably, as shown in Figure 6 and Figure 7, the first screens portion 24 and the second screens portion 13 are equipped with four, and four first Screens portion 24 is circumferentially uniformly spacedly distributed on the outer wall of upper pump case 2, and the second screens portion 13 circumferentially uniformly divides at equal intervals It is distributed on the flange 12 of lower pump case 1, and four the first screens portions 24 and four the second screens portions 13 align setting respectively.Certainly , in concrete application, the quantity in the first screens portion 24 and the second screens portion 13 can also be set to other numerical value.
Preferably, as shown in Fig. 1~3 and Fig. 7, elastic clamping boss 25 is provided with two, and two elastic clamping boss 25 It is symmetrically set on the outer wall of pump case 2, two elastic clamping boss 25 are set respectively close to two first screens portions 24, and two elastic cards Position boss 25 is along screwing direction(Upper pump case 2 is screwed and the direction of rotation on lower pump case 1)It is respectively arranged on two first screens portions 24 Front, so, during screwing pump case 2 and lower pump case 1, only elastic clamping boss 25 slides into the top of the second screens portion 13 Afterwards, the first screens portion 24 just can be in the locating groove 130 in the second screens of precession portion 13.
Specifically, as also shown in e.g. figs. 4-7, the first spirality diffusion runner 204 is gradually become along delivery port 203 with opening section Small trend is extended spirally to the place side of water inlet 202, and the top of lower pump case 1 offers and is oppositely arranged about 203 with delivery port Otch 103, that is, go up pump case 2 and lower pump case 1 and assemble rear delivery port 203 with otch 103 in upper and lower relative position, the second spiral Shape diffusion runner 104 is extended spirally with the trend that opening section is tapered into along otch 103 to the place side of axis hole 102.So, on After pump case 2 is assembled into one with lower pump case 1, the first spirality diffusion runner 204 and the second spirality diffusion runner 104 are substantially in Setting symmetrical above and below, the first spirality diffusion runner 204 and the second spirality diffusion runner 104 can form one along delivery port 203 Extended spirally to both sides with the trend that opening section is tapered into so that larger diffusion space 10 is obtained in washing pump, is carried The Performance of washing pump high, it is ensured that there is enough pressure from the current outwardly of delivery port 203, and ensure that spiral shell The consistency and integrality of shape diffusion runner are revolved, the conservancy property and efficiency of washing pump is improve, is how to reduce the washing pump housing The problem of product and reduction dish-washing machine energy consumption provides new solution.
Further, as shown in Fig. 1 and Fig. 5~7, the first cut water 22, the first cut water are additionally provided with the first hollow cavity 201 22 one end extends the inwall of connection delivery port 203, and the other end extends the inwall of the first hollow cavity 201 of connection;Second is hollow The second cut water 113 is additionally provided with inner chamber 101, one end of the second cut water 113 extends the inwall of connection otch 103, and the other end extends The inwall of the second hollow cavity 101 is connected, and the second cut water 113 is oppositely arranged with the first cut water 22 in upper-lower position.First every The setting of the cut water 113 of tongue 22 and second can effectively completely cut off High-Pressure Water and low pressure water flow, to prevent low pressure water flow directly from water outlet Mouth 203 flows out, so as to ensure that the current from delivery port 203 outwardly have enough pressure, it is ensured that the water of washing pump Sharp performance and efficiency.
Further, as shown in Fig. 5~7, first is provided between the inwall of the first cut water 22 and the first hollow cavity 201 Groove 23, lead column 21 is provided with the in the first groove 23 between the inwall of the second cut water 113 and the second hollow cavity 101 Two grooves 114.The setting of the first groove 23, on the one hand can be beneficial to ensure the evenness of wall thickness of the first hollow cavity 201, the opposing party Face is beneficial to the first cut water 22 and the mould molding of lead column 21, it is ensured that the crudy of upper pump case 2;Another further aspect can be reduced The manufacture material consumption of pump case 2, reduces the material cost of pump case 2.The setting of the second groove 114, on the one hand can be beneficial to guarantor The evenness of wall thickness of the second hollow cavity 101 is demonstrate,proved, on the other hand beneficial to the mould molding of the second cut water 113, it is ensured that lower pump case 1 Crudy;Another further aspect can reduce the manufacture material consumption of lower pump case 1, reduce the material cost of lower pump case 1.
Specifically, as shown in fig. 7, the first cut water 22 includes the arcuation baffle plate 222 of first straight line slanting baffle 221 and first, the One straight line slanting baffle 221 extends along a madial wall of delivery port 203 in the first hollow cavity 201, the first arcuation baffle plate 222 One end smoothly transits and connects first straight line slanting baffle 221, and the other end smoothly transits and connects the inwall of the first hollow cavity 201, the One arcuation baffle plate 222, the inwall of the hollow cavity 201 of first straight line slanting baffle 221 and first enclose to form the first groove 23.First Straight line slanting baffle 221 can keep out the High-Pressure Water flowed at delivery port 203 and flow back in the first hollow cavity 201, the first arcuation The low pressure water flow that baffle plate 222 can be kept out in the first hollow cavity 201 flows directly into delivery port 203, so, oblique by first straight line The dual of the arcuation baffle plate 222 of baffle plate 221 and first is kept out effect and can effectively completely cut off High-Pressure Water and low pressure water flow, it is ensured that washing The water conservancy efficiency of pump.One end of one end of first straight line slanting baffle 221 and the first arcuation baffle plate 222 is connected with each other, the other end point The inwall of delivery port 203 and the inwall of the first hollow cavity 201 Yan Shen not be connected, so, the first cut water 22 is can effectively ensure that Structural soundness.
Specifically, as shown in Figure 5 and Figure 6, the second cut water 113 includes the arcuation baffle plate of second straight line slanting baffle 1131 and second 1132, second straight line slanting baffle 1131 extends along a madial wall of otch 103 in the second hollow cavity 101, the second arcuation gear One end of plate 1132 smoothly transits and connects second straight line slanting baffle 1131, and the other end smoothly transits and connects the second hollow cavity 101 Inwall, the second arcuation baffle plate 1132, the inwall of the hollow cavity 101 of second straight line slanting baffle 1131 and second enclose to form second Groove 114.Second straight line slanting baffle 1131 can keep out the High-Pressure Water flowed at otch 103 and flow back to the second hollow cavity 101 Interior, the low pressure water flow that the second arcuation baffle plate 1132 can be kept out in the second hollow cavity 101 flows directly into otch 103, so, passes through The dual of the arcuation baffle plate 1132 of second straight line slanting baffle 1131 and second is kept out effect and can effectively completely cut off High-Pressure Water and low pressure water Stream, it is ensured that the water conservancy efficiency of washing pump.One end of second straight line slanting baffle 1131 and one end phase of the second arcuation baffle plate 1132 Connect, the other end each extends over the inwall of connection otch 103 and the inwall of the second hollow cavity 101, so, can effectively ensure that The structural soundness of the second cut water 113.
Preferably, seal 3 is O-ring seal, and O-ring seal simple structure, design processing cost are low, and O-shaped sealing Circle is easily installed, beneficial to the efficiency of assembling for improving upper pump case 2 and lower pump case 1.
Further, as shown in Fig. 3, Fig. 4, Fig. 8 and Fig. 9, washing pump provided in an embodiment of the present invention, also including impeller 4 With disintegrating slag blade 5, impeller 4 and disintegrating slag blade 5 are located to be enclosed with the second hollow cavity 101 by the first hollow cavity 201 and are formed Diffusion space 10 in.Specifically, the bottom of lower pump case 1 and motor(It is not shown)Connection, the motor shaft of motor(It is not shown)Wear In the axis hole 102 of lower pump case 1, and the top of motor shaft is extended by the first hollow cavity 201 and the second hollow cavity 101 Enclose in the diffusion space 10 to be formed, impeller 4 and disintegrating slag blade 5 are fixed on motor shaft by fastening screw 6(It is not shown)End Portion.More specifically, impeller 4 is provided with the mounting groove 41 that is adapted to the gabarit of disintegrating slag blade 5 and is passed through for fastening screw 6 wears first Hole 41, disintegrating slag blade 5 is provided with the second perforation 51 worn for fastening screw 6, and disintegrating slag blade 5 is installed in mounting groove 41, tightly Gu screw 6 is arranged in the second perforation 51, the first perforation 41 and is threadedly coupled motor shaft.
The embodiment of the present invention additionally provides a kind of dish-washing machine, and it includes body(It is not shown), above-mentioned washing is provided with body Wash pump.The dish-washing machine that the present invention is provided, as a result of above-mentioned washing pump, therefore, improve the production and assembly efficiency of washing pump With the design processing cost for reducing washing pump, so as to reduce the design processing cost of dish-washing machine, the comprehensive of dish-washing machine is improve Close the market competitiveness.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention Any modification, equivalent or improvement made within god and principle etc., should be included within the scope of the present invention.

Claims (10)

1. a kind of washing pump, including lower pump case, cover the upper pump case that is fixed on the lower pump case and located at the lower pump case with Seal between the upper pump case, the upper pump case has the first hollow cavity, water inlet and delivery port, and described first is hollow The first spirality diffusion runner is provided with inner chamber, the lower pump case has the axis hole that the second hollow cavity and power supply arbor wear, It is characterized in that:Rotation direction second spiral shell consistent with the first spirality diffusion runner rotation direction is provided with second hollow cavity Rotation shape diffusion runner;The upper pump case is fastenedly connected the lower pump case by rotary fastening mode, outside the middle part of the lower pump case Wall is concavely provided with annular recess, the inwall that the seal is contained in the annular recess and passes through first hollow cavity It is pressed in the annular groove groove;Lead column is convexly equipped with the inwall of first hollow cavity, outside the top of the lower pump case Wall is concavely provided with guide chute, and the lead column is slidably mounted in the guide chute, and the lead column is provided with least two, The curved groove-like of guide chute, the arc length of the guide chute is farthest located at first and last more than distance in each lead column Two distances of the lead column at two ends, the first spirality diffusion runner is formed with the second spirality diffusion runner One complete spirality diffusion runner.
2. washing pump as claimed in claim 1, it is characterised in that:The first screens portion is convexly equipped with the outer wall of the upper pump case, The lower pump case includes the insertion section being inserted in first hollow cavity, is convexly equipped in the insertion section bottom and is stuck in described Flange outside first hollow cavity and the second screens portion being convexly equipped on the top surface of the flange, the first screens portion with it is described The rotary fastening connection of second screens portion, the recessed middle position in the insertion section of the annular recess, the guide chute On the top outer wall of the insertion section.
3. washing pump as claimed in claim 2, it is characterised in that:The second screens portion is included along the outer edge of the flange The first vertical portion, the side extension where the center along the top of first vertical portion to the lower pump case for upwardly extending are anyhow Portion and the second vertical portion located at one of first vertical portion sidepiece, first vertical portion, the portion anyhow and described Two vertical portions enclose to form a locating groove, and the first screens portion rotary fastening is in the locating groove.
4. washing pump as claimed in claim 3, it is characterised in that:It is convex elastic screens to be also convexly equipped with the outer wall of the upper pump case Platform, the first screens portion located at the upper pump case the bottom margin towards the flange at, the elastic clamping boss with The bottom margin of the upper pump case is set in spacing, and the elastic clamping boss is in along the circumferential direction with the first screens portion Shift to install, the elastic clamping boss and the first screens portion are respectively positioned at the both sides of second vertical portion.
5. the washing pump as described in any one of Claims 1-4, it is characterised in that:The first spirality diffusion runner is along institute State delivery port to be extended spirally to side where the water inlet with the trend that opening section is tapered into, the top of the lower pump case is opened The otch relative with the delivery port is provided with, the second spirality diffusion runner is tapered into along the otch with opening section Trend extended spirally to side where the axis hole.
6. washing pump as claimed in claim 5, it is characterised in that:The first cut water, institute are additionally provided with first hollow cavity The one end for stating the first cut water extends the inwall of the connection delivery port, and the other end extends the interior of connection first hollow cavity Wall;The second cut water is additionally provided with second hollow cavity, one end of second cut water extends the inwall of the connection otch, The other end extends the inwall of connection second hollow cavity, and second cut water and first cut water are in upper-lower position phase To setting.
7. washing pump as claimed in claim 6, it is characterised in that:The inwall of first cut water and first hollow cavity Between be provided with the first groove, the lead column in first groove, second cut water and second hollow cavity Inwall between be provided with the second groove.
8. washing pump as claimed in claim 7, it is characterised in that:First cut water includes first straight line slanting baffle and first Arcuation baffle plate, the first straight line slanting baffle extends along a madial wall of the delivery port in first hollow cavity, institute The one end for stating the first arcuation baffle plate smoothly transits the connection first straight line slanting baffle, and the other end smoothly transits connection described first The inwall of hollow cavity, the inwall of the first arcuation baffle plate, first straight line slanting baffle and first hollow cavity encloses shape Into first groove.
9. washing pump as claimed in claim 7, it is characterised in that:Second cut water includes second straight line slanting baffle and second Arcuation baffle plate, second straight line slanting baffle extends along a madial wall of otch in second hollow cavity, second arcuation One end of baffle plate smoothly transits and connects the second straight line slanting baffle, and the other end smoothly transits and connects second hollow cavity Inwall, the inwall of the second arcuation baffle plate, the second straight line slanting baffle and second hollow cavity encloses to form described Second groove.
10. a kind of dish-washing machine, including body, it is characterised in that:It is provided with the body described in any one of claim 1 to 9 Washing pump.
CN201410124407.5A 2014-03-28 2014-03-28 Washing pump and dish-washing machine Active CN104712584B (en)

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Publication number Priority date Publication date Assignee Title
CN107898414A (en) * 2017-12-18 2018-04-13 广东万和电气有限公司 The body structure of water tank type dish-washing machine
CN108194423B (en) * 2018-02-10 2020-10-09 佛山市顺德区美的洗涤电器制造有限公司 Heat collection pump and dish washing machine
CN113513481A (en) * 2020-04-10 2021-10-19 佛山市百斯特电器科技有限公司 Heat collection pump and dish washing machine thereof

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CN2360035Y (en) * 1998-12-17 2000-01-26 无锡小天鹅梅洛尼洗碗机有限公司 Washing pump of bowl-washing machines
ES2351271B1 (en) * 2009-01-26 2011-11-15 Coprecitec, S.L. FLUID CIRCULATION PUMP ADAPTED TO AN APPLIANCES.
CN102080671B (en) * 2009-11-27 2015-05-13 德昌电机(深圳)有限公司 Centrifugal pump
CN102606530B (en) * 2011-01-18 2016-09-28 德昌电机(深圳)有限公司 Centrifugal device and cleaning device
KR101326503B1 (en) * 2011-10-26 2013-11-08 현대자동차주식회사 Canned motor type of electric water pump
CN103453470A (en) * 2012-05-31 2013-12-18 海洋王(东莞)照明科技有限公司 Lamp and face cover rotation preventing structure thereof
CN203430799U (en) * 2012-06-28 2014-02-12 德昌电机(深圳)有限公司 Water draining pump and washing device
CN203835803U (en) * 2014-03-28 2014-09-17 美的集团股份有限公司 Washer pump and dish washer

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Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province

Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd.

Address before: 528311, 26-28, B District, Mei headquarters building, 6 Mei Road, Beijiao Town, Shunde District, Foshan, Guangdong.

Patentee before: MIDEA GROUP Co.,Ltd.

Patentee before: FOSHAN SHUNDE MIDEA WASHING APPLIANCES MANUFACTURING Co.,Ltd.