CN104712584A - Washing pump and dish washing machine - Google Patents
Washing pump and dish washing machine Download PDFInfo
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- CN104712584A CN104712584A CN201410124407.5A CN201410124407A CN104712584A CN 104712584 A CN104712584 A CN 104712584A CN 201410124407 A CN201410124407 A CN 201410124407A CN 104712584 A CN104712584 A CN 104712584A
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- pump case
- hollow cavity
- inwall
- lower pump
- washer
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Abstract
The invention belongs to the technical field of dish washing machine structures and discloses a washing pump and a dish washing machine provided with the same. The washing pump comprises a lower pump case, an upper pump case and a sealing part. The upper pump case is provided with a first hollow inner cavity. A first spiral diffusion runner is formed in the first hollow inner cavity. The lower pump case is provided with a second hollow inner cavity. A second spiral diffusion runner is formed in the second hollow inner cavity. The upper pump case is fastened and connected to the lower pump case in a rotating buckling mode. An annular groove is formed in the outer wall of the middle of the lower pump case in a concave mode. The sealing part is contained in the annular groove and pressed in the annular groove through the inner wall of the first hollow inner cavity. A guiding column is arranged on the inner wall of the first hollow inner cavity in a convex mode. A guiding sliding groove is formed in the outer wall of the top end of the lower pump case in a concave mode. The guiding column is installed in the guiding sliding groove in a sliding mode. According to the washing pump, on one hand, the diffusion performance of the washing pump is improved, and then the water conservancy efficiency of the washing pump is improved; on the other hand, the production assembly efficiency of the washing pump is improved, and the design machining cost of the washing pump is reduced.
Description
Technical field
The invention belongs to dishwasher structure technical field, particularly relate to a kind of washer pump and there is the dishwasher of this washer pump.
Background technique
The washer pump of dishwasher is assembled by upper pump case and lower pump case, and wherein, upper pump case and lower pump case have the first hollow cavity and the second hollow cavity respectively, and upper pump case is provided with the water intake and water outlet that are communicated with the first hollow cavity.
We know, the connection between upper pump case and lower pump case should realize being fastenedly connected, and realize again being tightly connected, and connect effect, the washer pump of prior art to realize these two kinds simultaneously, the Placement between upper pump case and lower pump case is broadly divided into following two kinds:
Simultaneously one directly adopts sweat soldering mode to be connected between upper pump case with lower pump case to realize being fastenedly connected and being tightly connected, this Placement, upper pump case and lower pump case all do not need to arrange screens portion and sealed department, its structure is all fairly simple, but, because sweat soldering mode is non-removable Placement (after dismounting, upper pump case and lower pump case can damage), therefore, the problem that this Placement cannot be dismantled after pump case can be caused to be connected with lower pump case occurs, thus is unfavorable for the repair and maintenance in the future of washer pump.
Another kind is by arranging screens portion and sealed department on upper pump case and lower pump case, to be connected by buckle and mounting O-shaped seal ring realizes being fastenedly connected and being tightly connected, although this Placement can facilitating the repair and maintenance in the future of washer pump of upper pump case and lower pump case respectively.But, this Placement, in order to reduce the engagement height (the face contact height of upper pump housing endophragm and lower pump case outer wall) of upper pump case and lower pump case to improve the sealability of washer pump and to reduce the volume of washer pump, the height of the part in pump case in the insertion of lower pump case is just needed to arrange lower, like this, will cause buckle boss on lower pump case can higher than the annular recess for accommodating O RunddichtringO, thus cause annular recess and clamping boss can not depanning manufacture on same parts.Therefore, adopt in the prior art of this Placement, lower pump case is generally designed to split-type structural, not only pump case is descended but also two parts are formed by connecting, lower pump case is specifically by for insert in upper pump case and the top insertion parts with annular recess and the bottom projecting member with buckle boss are formed, and this split-type structural of lower pump case, can cause the number of components of washer pump more, and the manufacturing of lower pump case needs design two moulds, thus make the design processing cost of lower pump case higher.
In addition, the washer pump of prior art, general arranges spirality diffusion runner in the first hollow cavity of upper pump case, and the inwall of the second hollow cavity of lower pump case is generally designed to simple plane or have the conical surface at certain angle of inclination, like this, finally cause the Performance being enclosed the space formed by the first hollow cavity and the second hollow cavity not strong, thus have a strong impact on conservancy property and the efficiency of washer pump.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of washer pump and have the dishwasher of this washer pump, it is intended to solve, and existing washer pump Performance is strong, hydraulic efficiency is low and upper pump case and lower pump case are connected by buckle and mounting O-shaped seal ring realizes being fastenedly connected and being tightly connected respectively that pump case at present need be designed to split-type structural and cause the technical problem that lower pump casing design processing cost is high.
In order to achieve the above object, technological scheme of the present invention is: a kind of washer pump, comprise lower pump case, cover the upper pump case be fixed on described lower pump case and the Sealing be located between described lower pump case and described upper pump case, described upper pump case has the first hollow cavity, water intake and water outlet, the first spirality diffusion runner is provided with in described first hollow cavity, the axis hole that described lower pump case has the second hollow cavity and arbor of powering wears, is provided with the second spirality diffusion runner that rotation direction is consistent with described first spirality diffusion runner rotation direction in described second hollow cavity; Described upper pump case is fastenedly connected described lower pump case by rotary fastening mode, the middle part outer wall of described lower pump case is arranged with annular recess, and described Sealing to be contained in described annular recess and to be pressed in described annular groove groove by the inwall of described first hollow cavity; The inwall of described first hollow cavity is convexly equipped with directional post, and the top outer wall of described lower pump case is arranged with guide chute, and described directional post is slidably mounted in described guide chute.
Particularly, the outer wall of described upper pump case is convexly equipped with the first screens portion, described lower pump case comprises the insertion part be inserted in described first hollow cavity, is convexly equipped in bottom, described insertion part and the flange be stuck in outside described first hollow cavity and the second screens portion be convexly equipped on the end face of described flange, described first screens portion is connected with described second screens portion rotary fastening, described annular recess is recessed in the middle position of described insertion part, and described guide chute is located on the top outer wall of described insertion part.
More specifically, described second screens portion comprises the first vertical portion that the outer edge along described flange upwards extends, the portion anyhow extended to the side, place, center of described lower pump case along the top of described first vertical portion and the second vertical portion being located at one of described first vertical portion sidepiece, described first vertical portion, described portion anyhow and described second vertical portion enclose formation one locating groove, and described first screens portion rotary fastening is in described locating groove.
Further, the outer wall of described upper pump case is also convexly equipped with elasticity clamping boss, described first screens portion is located at the bottom margin place towards described flange of described upper pump case, the bottom margin of described elasticity clamping boss and described upper pump case is that spacing is arranged, and described elasticity clamping boss and described first screens portion are along the circumferential direction in shifting to install, described elasticity clamping boss and described first screens portion lay respectively at the both sides of described second vertical portion.
Particularly, the trend that described first spirality diffusion runner diminishes along described water outlet gradually with opening section is to side, described water intake place spiral extension, the top of described lower pump case offers the otch relative with described water outlet, and the trend that described second spirality diffusion runner diminishes along described otch gradually with opening section is to side, described axis hole place spiral extension.
Further, be also provided with the first cut water in described first hollow cavity, one end of described first cut water extends the inwall connecting described water outlet, and the other end extends the inwall connecting described first hollow cavity; Also be provided with the second cut water in described second hollow cavity, one end of described second cut water extends the inwall connecting described otch, and the other end extends the inwall connecting described second hollow cavity, and described second cut water and described first cut water are that upper-lower position is oppositely arranged.
Further, be provided with the first groove between the inwall of described first cut water and described first hollow cavity, described directional post is located in described first groove, is provided with the second groove between the inwall of described second cut water and described second hollow cavity.
Particularly, described first cut water comprises the first straight line slanting baffle and described first arcuation baffle plate, described first straight line slanting baffle extends in described first hollow cavity along a madial wall of described water outlet, one end smooth transition of described first arcuation baffle plate connects described first straight line slanting baffle, the other end smooth transition connects the inwall of described first hollow cavity, and the inwall of described first arcuation baffle plate, the first straight line slanting baffle and described first hollow cavity encloses and forms described first groove.
Particularly, described second cut water comprises the second straight line slanting baffle and the second arcuation baffle plate, second straight line slanting baffle extends in described second hollow cavity along a madial wall of otch, one end smooth transition of described second arcuation baffle plate connects described second straight line slanting baffle, the other end smooth transition connects the inwall of described second hollow cavity, and the inwall of described second arcuation baffle plate, described second straight line slanting baffle and described second hollow cavity encloses and forms described second groove.
Washer pump provided by the invention, by arranging the second spirality diffusion runner on lower pump case, the first spirality diffusion runner on the second spirality diffusion runner and upper pump case can be made to form a complete spirality diffusion runner, ensure that consistency and the integrity of spirality diffusion runner, and make in washer pump, to obtain larger diffusion space, improve the Performance of washer pump, and then improve conservancy property and the efficiency of washer pump, for the problem how reducing washer pump volume and reduction dishwasher energy consumption provides new solution.Simultaneously, it is by projection directional post on the inwall of upper pump case, recessed guide chute on the top outer wall of lower pump case, and make directional post be slidably mounted in guide chute, like this, because guide chute eliminates the portion of material of lower pump case top outer wall, therefore, effectively reduce the area of contact between lower pump case outer wall and upper pump housing endophragm, like this, reduce the engagement height (the face contact height of upper pump housing endophragm and lower pump case outer wall) of pump case and lower pump case on the one hand, thus be beneficial to the sealability improving washer pump and the volume reducing washer pump; Reduce surface friction drag in pump case and lower pump case assembly process on the other hand, improve the efficiency of assembling of pump case and lower pump case; Directional post also can play positioning action to the assembling of upper pump case and lower pump case with coordinating of guide chute on the one hand again, thus is beneficial to the assembly precision and efficiency of assembling that improve upper pump case and lower pump case.Washer pump provided by the invention, upper pump case and lower pump case realize being fastenedly connected by rotary fastening mode, realize being tightly connected by the mode of installing Sealing, and by the setting of directional post and guide chute, can on reducing pump case and lower pump case engagement height prerequisite under, make that lower pump case is one-body molded to be manufactured and designed, effectively reduce the number of components of washer pump, decrease the number of molds of lower pump case, reduce the design processing cost of lower pump case.
Present invention also offers a kind of dishwasher, it comprises body, is provided with above-mentioned washer pump in described body.
Dishwasher provided by the invention, owing to have employed above-mentioned washer pump, therefore, improve the Performance of washer pump on the one hand, and then improve conservancy property and the efficiency of washer pump; Improve the production and assembly efficiency of washer pump on the other hand and reduce the design processing cost of washer pump, thus reducing the design processing cost of dishwasher, improve the comprehensive market competitive ability of dishwasher.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of the washer pump that provides of the embodiment of the present invention on screwing after pump case and lower pump case;
Fig. 2 is the cross-sectional view of the washer pump that provides of the embodiment of the present invention on screwing before pump case and lower pump case;
Fig. 3 is the perspective view of the washer pump that the embodiment of the present invention provides;
Fig. 4 is that the master of the washer pump that the embodiment of the present invention provides looks generalized section;
Fig. 5 is the perspective view one of the lower pump case that the embodiment of the present invention provides;
Fig. 6 is the perspective view two of the lower pump case that the embodiment of the present invention provides;
Fig. 7 is the perspective view of the upper pump case that the embodiment of the present invention provides;
Fig. 8 is the perspective view of the impeller that the embodiment of the present invention provides;
Fig. 9 is the perspective view of the disintegrating slag blade that the embodiment of the present invention provides.
Embodiment
In order to make object of the present invention, technological scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in figures 1-4, the washer pump that the embodiment of the present invention provides, comprise lower pump case 1, cover the upper pump case 2 be fixed on lower pump case 1 and the Sealing 3 be located between lower pump case 1 and upper pump case 2, upper pump case 2 has the first hollow cavity 201, water intake 202 and water outlet 203, the first spirality diffusion runner 204 is provided with in first hollow cavity 201, water intake 202 and water outlet 203 are all communicated with the first hollow cavity 201, water intake 202 place is provided with intake pipe 26, water outlet 203 place is provided with outlet pipe 27, lower pump case 1 has the axis hole 102 that the second hollow cavity 101 wears with power supply arbor, axis hole 102 is communicated with the second hollow cavity 101, and the second hollow cavity 101 is located at the top near upper pump case 2 of lower pump case 1, axis hole 102 is located at the bottom away from upper pump case 2 of lower pump case 1, the second spirality diffusion runner 104 that rotation direction is consistent with the rotation direction of the first spirality diffusion runner 204 is provided with in second hollow cavity 101, upper pump case 2 is fastenedly connected lower pump case 1 by rotary fastening mode, and the middle part outer wall of lower pump case 1 is arranged with annular recess 111, and Sealing 3 to be contained in annular recess 111 and to be pressed in annular groove groove by the inwall of the first hollow cavity 201, the inwall of the first hollow cavity 201 is convexly equipped with directional post 21, and the top outer wall of lower pump case 1 is arranged with guide chute 112, and directional post 21 is slidably mounted in guide chute 112.Washer pump provided by the invention, by lower pump case 1 being arranged the second spirality diffusion runner 104, the second spirality diffusion runner 104 can be made to form a complete spirality diffusion runner with the first spirality diffusion runner 204 on upper pump case 2, ensure that consistency and the integrity of spirality diffusion runner, and make in washer pump, to obtain larger diffusion space 10, improve the Performance of washer pump, improve conservancy property and the efficiency of washer pump, for the problem how reducing washer pump volume and reduction dishwasher energy consumption provides new solution.Simultaneously, it is by projection directional post 21 on the inwall of upper pump case 2, recessed guide chute 112 on the top outer wall of lower pump case 1, and make directional post 21 be slidably mounted in guide chute 112, like this, because guide chute 112 eliminates the portion of material of lower pump case 1 top outer wall, therefore, effectively reduce the area of contact between lower pump case 1 outer wall and upper pump case 2 inwall, like this, reduce the engagement height (the face contact height of upper pump case 2 inwall and lower pump case 1 outer wall) of pump case 2 and lower pump case 1 on the one hand, thus be beneficial to the sealability improving washer pump and the volume reducing washer pump, reduce pump case 2 and surface friction drag in lower pump case 1 assembly process on the other hand, improve the efficiency of assembling of pump case 2 and lower pump case 1, directional post 21 also can play positioning action to upper pump case 2 with the assembling of lower pump case 1 with coordinating of guide chute 112 on the one hand again, thus is beneficial to the assembly precision and efficiency of assembling that improve upper pump case 2 and lower pump case 1.Washer pump provided by the invention, upper pump case 2 and lower pump case 1 realize being fastenedly connected by rotary fastening mode, realize being tightly connected by the mode of installing Sealing 3, and pass through the setting of directional post 21 and guide chute 112, on reducing, pump case 2 with under the prerequisite of lower pump case 1 engagement height, can make that lower pump case 1 is one-body molded to be manufactured and designed, effectively reduce the number of components of washer pump, decrease the number of molds of lower pump case 1, reduce the design processing cost of lower pump case 1.
Particularly, as shown in Figure 1, Figure 2, shown in Fig. 5, Fig. 6 and Fig. 7, directional post 21 is provided with at least two, the curved groove-like of guide chute 112, the arc length of wire chute is greater than the distance (being positioned at what screw forefront, direction is head end, and being positioned at what screw direction rearmost is end) that each directional post 21 middle distance is positioned at two directional posts 21 of head and end farthest.In concrete installation process, the end wall body of guide chute 112 of can first being fitted by the directional post 21 of end positions, now between the directional post 21 of head end and the head end wall body of guide chute 112, there is certain spacing, and the initial installation sign 200 of upper pump case 2 just aligns with the initial installation sign 100 on lower pump case 1, like this, by the directional post 21 of end and the positioning action of guide chute 112 end wall body, the validity ensureing that upper pump case 2 assembles with lower pump case 1 can be beneficial to; And when along screwing after direction screws upper pump case 2, the directional post 21 of head end is resisted against on the head end wall body of guide chute 112, like this, can play the positioning action be in place with lower pump case 1 to upper pump case 2, ensure that the validity that pump case 2 and lower pump case 1 assemble.
Preferably, directional post 21 is provided with six, and six directional posts 21 are evenly spacedly distributed along the inwall of the first hollow cavity 201, like this, can ensure that directional post 21 and guide chute 112 lead the stationarity of sliding.Of course, in embody rule, different according to upper pump case 2 and lower pump case 1 body size, the quantity of directional post 21 also can preferably be set to other numerical value.
Preferably, the rectangular shape of directional post 21 or semi-cylindrical or semiellipse column, the profile of guide chute 112 and the contoured fit of directional post 21 are arranged, and like this, the structure of directional post 21 and guide chute 112 can be made all fairly simple, are easy to design processing.Of course, in embody rule, directional post 21 also can be designed to other irregular curved shape or other are half polygon-shaped etc.
Particularly, as shown in Fig. 1 and Fig. 5 ~ 7, the outer wall of upper pump case 2 is convexly equipped with the first screens portion 24, lower pump case 1 comprises the insertion part 11 be inserted in the first hollow cavity 201, is convexly equipped in bottom, insertion part 11 and the flange 12 be stuck in outside the first hollow cavity 201 and the second screens portion 13 be convexly equipped on the end face of flange 12, first screens portion 24 is connected with the second screens portion 13 rotary fastening, annular recess 111 is recessed in the middle position of insertion part 11, and guide chute 112 is located on the top outer wall of insertion part 11.The setting of guide chute 112, can with under the prerequisite of upper pump case 2 contact heights, make the insertion part 11 of lower pump case 1, flange 12 and the one-body molded design in the second screens portion 13, effectively reduce the design processing cost of lower pump case 1 by pump case 1 under reducing.First screens portion 24 is connected with the rotary fastening in the second screens portion 13, being fastenedly connected of pump case 2 and lower pump case 1 can be realized, and its disassembly process is by rotating upper pump case 2 or lower pump case 1 realizes, disassembly process facilitates, be easy to realization, be beneficial to the efficiency of assembling and removal efficiency that improve upper pump case 2 and lower pump case 1, substantially increase the assembling manufacturing efficiency of pump case 2 and lower pump case 1, and bring great convenience to the repair and maintenance in the future of washer pump.
Particularly, as shown in Figure 5, second screens portion 13 comprises the first vertical portion 131 that the outer edge along flange 12 upwards extends, the portion anyhow 132 extended along the side, place, center of the downward pump case 1 in top of the first vertical portion 131 and the second vertical portion 133 being located at one of the first vertical portion 131 sidepiece, first vertical portion 131, anyhow portion 132 and the second vertical portion 133 enclose formation one locating groove 130, first screens portion 24 rotary fastening in locating groove 130.First screens portion 24 rotary fastening is installed on after in locating groove 130, anyhow portion 132 can limit the first screens portion 24 moving displacement upwards, second vertical portion 133 can limit the first screens portion 24 along the moving displacement screwing direction (screwing the direction of upper pump case 2 and lower pump case 1) and rotate, thus effectively achieves being fastenedly connected of the first screens portion 24 and the second screens portion 13.The present embodiment, rotates clockwise pump case 2 for screwing the direction of upper pump case 2 and lower pump case 1, along being rotated counterclockwise pump case 2 for unscrewing the direction of upper pump case 2 and lower pump case 1.Of course, in embody rule, also locating groove (not shown) can be set in the first screens portion 24, to be connected being fastenedly connected of the first screens portion 24 that realizes and the second screens portion 13 with the rotary fastening of the locating groove in the first screens portion 24 by the second screens portion 13.
Further, as shown in Figure 6, flange 12 also runs through and is provided with the perforate 121 relative with locating groove 130, namely perforate 121 runs through downwards along locating groove 130 and is arranged on flange 12.What the setting of perforate 121 can be beneficial to the second screens portion 13 goes out mold forming, thus is beneficial to the quality of processing ensureing lower pump case 1.
Further, as shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 7, the outer wall of upper pump case 2 is also convexly equipped with elasticity clamping boss 25, first screens portion 24 is located at the bottom margin place towards flange 12 of pump case 2, elasticity clamping boss 25 is that spacing is arranged with the bottom margin of upper pump case 2, and elasticity clamping boss 25 and the first screens portion 24 are along the circumferential direction in shifting to install, after screwing pump case 2 and lower pump case 1, elasticity clamping boss 25 and the first screens portion 24 lay respectively at the both sides in the second vertical portion 133.Elasticity clamping boss 25 screws along upper pump case 2 and lower pump case 1 the front that the first screens portion 24 is located in direction, namely pump case 2 is screwed with lower pump case process, in the locating groove 130 of elasticity clamping boss 25 first by the second ability precession second screens portion 13 of screens portion 24 of screens portion 13, first.After upper pump case 2 screws with lower pump case 1, second screens portion 13 can limit elasticity clamping boss 25 to the moving displacement unscrewing direction (unscrewing the direction of upper pump case 2 times pump cases 1) and rotate, namely prevent pump case 2 to the moving displacement unscrewing direction and rotate, the first screens portion 24 that effectively prevent goes out from slippage in locating groove 130, thus ensure that the solid and reliable property that pump case 2 and lower pump case 1 are fastenedly connected.
Particularly, as shown in Figure 1 and Figure 7, elasticity clamping boss 25 comprises the arcuation shell fragment 251 be convexly equipped on pump case 2 outer wall, the bottom of arcuation shell fragment 251 is arc surfaced, and become large to the perpendicular distance at the first top, screens portion 24 gradually along screwing direction bottom its arc surfaced, namely arcuation shell fragment 251 to be positioned at adterminal bottom, the side of screwing maximum to the perpendicular distance at the first top, screens portion 24, arcuation shell fragment 251 to be positioned at the bottom screwing direction head end minimum to the perpendicular distance at the first top, screens portion 24, and arcuation shell fragment 251 be positioned at adterminal bottom, the side of screwing is less than portion 132 anyhow vertical thickness to the perpendicular distance at the first top, screens portion 24, thus ensure that arcuation shell fragment 251 can not pass through from the top in the second screens portion 13 under not by the effect of external force, like this, after upper pump case 2 screws with lower pump case 1, the mutual counter-active effect in arcuation shell fragment 251 and the second screens portion 13, arcuation shell fragment 251 can be limited to the moving displacement unscrewing direction and rotate, and then effectively prevent from pump case 2 to be connected with lower pump case 1 occurring the phenomenon that gets loose, ensure that the fastening reliability that pump case 2 is connected with lower pump case 1, and when the upper pump case 2 of needs dismounting is with lower pump case 1, upwards can pull after arcuation shell fragment 251 is out of shape arcuation shell fragment 251 can be slipped over from the top in the second screens portion 13 by staff.
Further, as shown in Figure 1 and Figure 7, elasticity clamping boss 25 also comprises strengthens projection 252, reinforcement projection 252 is located at the front end of arcuation shell fragment 251 along screwing direction, the bottom strengthening projection 252 is greater than the perpendicular distance to the first screens portion 24 bottom arcuation shell fragment 251 to the perpendicular distance in the first screens portion 24, and the bottom strengthening projection 252 is greater than the vertical thickness in portion 132 anyhow to the perpendicular distance at the first top, screens portion 24, like this, can ensure that pump case 2 is with the connection procedure of lower pump case 1 on screwing or unscrewing, strengthen projection 252 to pass through from the top in the second screens portion 13 when not being out of shape by External Force Acting.The setting strengthening projection 252 is mainly used in the intensity strengthening elasticity clamping boss 25, to prevent the damage easily of elastic card position boss 25.
Preferably, as shown in Figure 6 and Figure 7, first screens portion 24 and the second screens portion 13 are equipped with four, and four the first screens portions 24 are circumferentially evenly spacedly distributed on the outer wall of upper pump case 2, second screens portion 13 is circumferentially evenly spacedly distributed on the flange 12 of lower pump case 1, and four the first screens portions 24 and four the second screens portion 13 difference contrapositions are arranged.Of course, in embody rule, the quantity in the first screens portion 24 and the second screens portion 13 also can be set to other numerical value.
Preferably, as shown in Fig. 1 ~ 3 and Fig. 7, elasticity clamping boss 25 is provided with two, and two elasticity clamping boss 25 are symmetrically set on the outer wall of pump case 2, two elasticity clamping boss 25 are arranged near two first screens portions 24 respectively, and two elasticity clamping boss 25 are along the front screwing direction (upper pump case 2 screw and the sense of rotation on lower pump case 1) and be located at respectively two first screens portions 24, like this, screw pump case 2 with the process of lower pump case 1, elasticity clamping boss 25 is only had to slide into after above the second screens portion 13, first screens portion 24 just can in the locating groove 130 in precession second screens portion 13.
Particularly, as also shown in e.g. figs. 4-7, the trend that first spirality diffusion runner 204 diminishes along water outlet 203 gradually with opening section is to side, water intake 202 place spiral extension, the top of lower pump case 1 offers the otch 103 be oppositely arranged with water outlet about 203, namely go up pump case 2 and assemble rear water outlet 203 with otch 103 in upper and lower relative position with lower pump case 1, the trend that the second spirality diffusion runner 104 diminishes along otch 103 gradually with opening section is to side, axis hole 102 place spiral extension.Like this, after upper pump case 2 is assembled into one with lower pump case 1, first spirality diffusion runner 204 and the second spirality diffusion runner 104 are roughly in being symmetrical arranged up and down, first spirality diffusion runner 204 and the second spirality diffusion runner 104 can form the trend diminished gradually with opening section along water outlet 203 to both sides spiral extension, make in washer pump, to obtain larger diffusion space 10, improve the Performance of washer pump, ensure that from water outlet 203 current outwardly there is enough pressure, and ensure that consistency and the integrity of spirality diffusion runner, improve conservancy property and the efficiency of washer pump, for the problem how reducing washer pump volume and reduction dishwasher energy consumption provides new solution.
Further, as shown in Fig. 1 and Fig. 5 ~ 7, the one end being also provided with the first cut water 22, first cut water 22 in the first hollow cavity 201 extends the inwall connecting water outlet 203, and the other end extends the inwall of connection first hollow cavity 201; The one end being also provided with the second cut water 113, second cut water 113 in second hollow cavity 101 extends the inwall connecting otch 103, and the other end extends the inwall of connection second hollow cavity 101, and the second cut water 113 and the first cut water 22 are oppositely arranged in upper-lower position.The setting of the first cut water 22 and the second cut water 113 effectively can completely cut off high-pressure water flow and low pressure water flow, directly flow out from water outlet 203 to prevent low pressure water flow, thus ensure that from water outlet 203 current outwardly there is enough pressure, ensure that conservancy property and the efficiency of washer pump.
Further, as shown in Fig. 5 ~ 7, be provided with the first groove 23 between the first cut water 22 and the inwall of the first hollow cavity 201, directional post 21 is located in the first groove 23, is provided with the second groove 114 between the second cut water 113 and the inwall of the second hollow cavity 101.The setting of the first groove 23, can be beneficial to the evenness of wall thickness of guarantee first hollow cavity 201 on the one hand, is beneficial to the mould-forming of the first cut water 22 and directional post 21 on the other hand, ensure that the quality of processing of pump case 2; The manufactured materials consumption of upper pump case 2 can be reduced again on the one hand, reduce the cost of material of pump case 2.The setting of the second groove 114, can be beneficial to the evenness of wall thickness of guarantee second hollow cavity 101 on the one hand, is beneficial to the mould-forming of the second cut water 113 on the other hand, ensure that the quality of processing of lower pump case 1; The manufactured materials consumption of lower pump case 1 can be reduced again on the one hand, reduce the cost of material of lower pump case 1.
Particularly, as shown in Figure 7, first cut water 22 comprises the first straight line slanting baffle 221 and the first arcuation baffle plate 222, first straight line slanting baffle 221 extends in the first hollow cavity 201 along a madial wall of water outlet 203, one end smooth transition of the first arcuation baffle plate 222 connects the first straight line slanting baffle 221, the other end smooth transition connects the inwall of the first hollow cavity 201, and the inwall of the first arcuation baffle plate 222, first straight line slanting baffle 221 and the first hollow cavity 201 encloses formation first groove 23.First straight line slanting baffle 221 can be kept out the high-pressure water flow flowing to water outlet 203 place and be flowed back in the first hollow cavity 201, the low pressure water flow that first arcuation baffle plate 222 can be kept out in the first hollow cavity 201 directly flows to water outlet 203, like this, keep out effect by the first straight line slanting baffle 221 and the first arcuation baffle plate 222 dual and effectively can completely cut off high-pressure water flow and low pressure water flow, ensure that the water conservancy efficiency of washer pump.One end of first straight line slanting baffle 221 and one end of the first arcuation baffle plate 222 are interconnected, and the other end extends the connection inwall of water outlet 203 and the inwall of the first hollow cavity 201 respectively, like this, effectively can ensure the structural soundness of the first cut water 22.
Particularly, as shown in Figure 5 and Figure 6, second cut water 113 comprises the second straight line slanting baffle 1131 and the second arcuation baffle plate 1132, second straight line slanting baffle 1131 extends in the second hollow cavity 101 along a madial wall of otch 103, one end smooth transition of the second arcuation baffle plate 1132 connects the second straight line slanting baffle 1131, the other end smooth transition connects the inwall of the second hollow cavity 101, and the inwall of the second arcuation baffle plate 1132, second straight line slanting baffle 1131 and the second hollow cavity 101 encloses formation second groove 114.Second straight line slanting baffle 1131 can be kept out the high-pressure water flow flowing to otch 103 place and be flowed back in the second hollow cavity 101, the low pressure water flow that second arcuation baffle plate 1132 can be kept out in the second hollow cavity 101 directly flows to otch 103, like this, keep out effect by the second straight line slanting baffle 1131 and the second arcuation baffle plate 1132 dual and effectively can completely cut off high-pressure water flow and low pressure water flow, ensure that the water conservancy efficiency of washer pump.One end of second straight line slanting baffle 1131 and one end of the second arcuation baffle plate 1132 are interconnected, and the other end extends the connection inwall of otch 103 and the inwall of the second hollow cavity 101 respectively, like this, effectively can ensure the structural soundness of the second cut water 113.
Preferably, Sealing 3 is O RunddichtringO, and O RunddichtringO structure is simple, design processing cost is low, and O RunddichtringO is easy to install, and is beneficial to the efficiency of assembling improving upper pump case 2 and lower pump case 1.
Further, as shown in Fig. 3, Fig. 4, Fig. 8 and Fig. 9, the washer pump that the embodiment of the present invention provides, also comprises impeller 4 and disintegrating slag blade 5, and impeller 4 and disintegrating slag blade 5 are all located at and are enclosed in the diffusion space 10 that formed by the first hollow cavity 201 and the second hollow cavity 101.Particularly, the bottom of lower pump case 1 is connected with motor (not shown), the motor shaft (not shown) of motor is arranged in the axis hole 102 of lower pump case 1, and the top of motor shaft extends and enclosed in the diffusion space 10 that formed by the first hollow cavity 201 and the second hollow cavity 101, impeller 4 and disintegrating slag blade 5 are fixed on the end of motor shaft (not shown) by fastening screw 6.More specifically, impeller 4 is provided with the first perforation 41 worn with the mounting groove 41 of disintegrating slag blade 5 gabarit adaptation and confession fastening screw 6, disintegrating slag blade 5 is provided with the second perforation 51 worn for fastening screw 6, disintegrating slag blade 5 is installed in mounting groove 41, and fastening screw 6 to be arranged in the second perforation 51, first perforation 41 and the motor shaft that is threaded.
The embodiment of the present invention additionally provides a kind of dishwasher, and it comprises body (not shown), is provided with above-mentioned washer pump in body.Dishwasher provided by the invention, owing to have employed above-mentioned washer pump, therefore, improve the production and assembly efficiency of washer pump and reduce the design processing cost of washer pump, thus reduce the design processing cost of dishwasher, improve the comprehensive market competitive ability of dishwasher.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement or improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a washer pump, comprise lower pump case, cover the upper pump case be fixed on described lower pump case and the Sealing be located between described lower pump case and described upper pump case, described upper pump case has the first hollow cavity, water intake and water outlet, the first spirality diffusion runner is provided with in described first hollow cavity, the axis hole that described lower pump case has the second hollow cavity and arbor of powering wears, is characterized in that: be provided with the second spirality diffusion runner that rotation direction is consistent with described first spirality diffusion runner rotation direction in described second hollow cavity; Described upper pump case is fastenedly connected described lower pump case by rotary fastening mode, the middle part outer wall of described lower pump case is arranged with annular recess, and described Sealing to be contained in described annular recess and to be pressed in described annular groove groove by the inwall of described first hollow cavity; The inwall of described first hollow cavity is convexly equipped with directional post, and the top outer wall of described lower pump case is arranged with guide chute, and described directional post is slidably mounted in described guide chute.
2. washer pump as claimed in claim 1, it is characterized in that: the outer wall of described upper pump case is convexly equipped with the first screens portion, described lower pump case comprises the insertion part be inserted in described first hollow cavity, is convexly equipped in bottom, described insertion part and the flange be stuck in outside described first hollow cavity and the second screens portion be convexly equipped on the end face of described flange, described first screens portion is connected with described second screens portion rotary fastening, described annular recess is recessed in the middle position of described insertion part, and described guide chute is located on the top outer wall of described insertion part.
3. washer pump as claimed in claim 2, it is characterized in that: described second screens portion comprises the first vertical portion that the outer edge along described flange upwards extends, the portion anyhow extended to the side, place, center of described lower pump case along the top of described first vertical portion and the second vertical portion being located at one of described first vertical portion sidepiece, described first vertical portion, described portion anyhow and described second vertical portion enclose formation one locating groove, and described first screens portion rotary fastening is in described locating groove.
4. washer pump as claimed in claim 3, it is characterized in that: the outer wall of described upper pump case is also convexly equipped with elasticity clamping boss, described first screens portion is located at the bottom margin place towards described flange of described upper pump case, the bottom margin of described elasticity clamping boss and described upper pump case is that spacing is arranged, and described elasticity clamping boss and described first screens portion are along the circumferential direction in shifting to install, described elasticity clamping boss and described first screens portion lay respectively at the both sides of described second vertical portion.
5. the washer pump as described in any one of Claims 1-4, it is characterized in that: the trend that described first spirality diffusion runner diminishes along described water outlet gradually with opening section is to side, described water intake place spiral extension, the top of described lower pump case offers the otch relative with described water outlet, and the trend that described second spirality diffusion runner diminishes along described otch gradually with opening section is to side, described axis hole place spiral extension.
6. washer pump as claimed in claim 5, is characterized in that: be also provided with the first cut water in described first hollow cavity, and one end of described first cut water extends the inwall connecting described water outlet, and the other end extends the inwall connecting described first hollow cavity; Also be provided with the second cut water in described second hollow cavity, one end of described second cut water extends the inwall connecting described otch, and the other end extends the inwall connecting described second hollow cavity, and described second cut water and described first cut water are that upper-lower position is oppositely arranged.
7. washer pump as claimed in claim 6, it is characterized in that: between the inwall of described first cut water and described first hollow cavity, be provided with the first groove, described directional post is located in described first groove, is provided with the second groove between the inwall of described second cut water and described second hollow cavity.
8. washer pump as claimed in claim 7, it is characterized in that: described first cut water comprises the first straight line slanting baffle and described first arcuation baffle plate, described first straight line slanting baffle extends in described first hollow cavity along a madial wall of described water outlet, one end smooth transition of described first arcuation baffle plate connects described first straight line slanting baffle, the other end smooth transition connects the inwall of described first hollow cavity, and the inwall of described first arcuation baffle plate, the first straight line slanting baffle and described first hollow cavity encloses and forms described first groove.
9. washer pump as claimed in claim 7, it is characterized in that: described second cut water comprises the second straight line slanting baffle and the second arcuation baffle plate, second straight line slanting baffle extends in described second hollow cavity along a madial wall of otch, one end smooth transition of described second arcuation baffle plate connects described second straight line slanting baffle, the other end smooth transition connects the inwall of described second hollow cavity, and the inwall of described second arcuation baffle plate, described second straight line slanting baffle and described second hollow cavity encloses and forms described second groove.
10. a dishwasher, comprises body, it is characterized in that: be provided with the washer pump described in any one of claim 1 to 9 in described body.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410124407.5A CN104712584B (en) | 2014-03-28 | 2014-03-28 | Washing pump and dish-washing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410124407.5A CN104712584B (en) | 2014-03-28 | 2014-03-28 | Washing pump and dish-washing machine |
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| CN104712584A true CN104712584A (en) | 2015-06-17 |
| CN104712584B CN104712584B (en) | 2017-07-04 |
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| CN201410124407.5A Active CN104712584B (en) | 2014-03-28 | 2014-03-28 | Washing pump and dish-washing machine |
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| 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 |
| CN108194423A (en) * | 2018-02-10 | 2018-06-22 | 佛山市顺德区美的洗涤电器制造有限公司 | Heat-collecting pump and dish-washing machine |
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|---|---|
| CN104712584B (en) | 2017-07-04 |
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Effective date of registration: 20221222 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. |