CN104706293A - Spraying arm device and dish washing machine - Google Patents
Spraying arm device and dish washing machine Download PDFInfo
- Publication number
- CN104706293A CN104706293A CN201410339176.XA CN201410339176A CN104706293A CN 104706293 A CN104706293 A CN 104706293A CN 201410339176 A CN201410339176 A CN 201410339176A CN 104706293 A CN104706293 A CN 104706293A
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- China
- Prior art keywords
- spray arm
- water inlet
- inlet pipe
- bevel gear
- main body
- Prior art date
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/14—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber
- A47L15/18—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber with movably-mounted spraying devices
- A47L15/22—Rotary spraying devices
- A47L15/23—Rotary spraying devices moved by means of the sprays
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4278—Nozzles
- A47L15/4282—Arrangements to change or modify spray pattern or direction
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- Washing And Drying Of Tableware (AREA)
Abstract
The invention belongs to the technical field of dish washing machines, and provides a spraying arm device and a dish washing machine with the same. The spraying arm device comprises a spraying arm main body with a first hollow inner cavity, a water inlet and a plurality of first injection orifices. The spraying arm main body is convexly provided with a water inlet pipe at the water inlet position. The spraying arm device further comprises a spraying arm auxiliary body with a second hollow inner cavity and a plurality of second injection orifices, a fixed conical gear and a clamping ring, wherein the outer circumference of the water inlet pipe is sleeved with the fixed conical gear, and the clamping ring is connected to the water inlet pipe in a fastened mode to be used for clamping the fixed conical gear to the water inlet pipe. The spraying arm auxiliary body is arranged on the spraying arm main body in a sleeving mode from one end of the spraying arm main body. A movable conical gear matched with the fixed conical gear is convexly arranged at one end of the spraying arm auxiliary body. The outer wall of the spraying arm main body is provided with a communicating hole communicating the first hollow inner cavity with the second hollow inner cavity. According to the spraying arm device and the dish washing machine with the same, tableware can be washed in an upper-lower opposite flushing mode, the area range which the washing water can directly flush can be effectively enlarged, washing dead corners are avoided, and the tableware washing efficiency and effect are improved.
Description
Technical field
The invention belongs to dish-washing machine technical field, particularly relate to spray arm device and there is the dish-washing machine of this spray arm device.
Background technology
Dish-washing machine is the household electrical appliance for automatically cleaning tableware, along with improving constantly of people's living standard, food on people's dining table is also rich and varied gradually, thus cause often occurring higher, the more difficult clean tableware of some degree of foulings in a particular application, and then seriously test the clean ability of dish-washing machine.
In prior art, be only rotated in the horizontal direction for the spray arm of jet cleaning water is general in dish-washing machine, thus cause dish-washing machine to have the following disadvantages in a particular application:
1) because spray arm can not rotate by the vertical direction, therefore cannot to liquidate up and down washing to tableware, like this, detersive efficiency is low, and in order to ensure the clean effect of tableware, prior art can only extend the wash time of dish-washing machine, thus result in the significant wastage of water resource and the increase of dish-washing machine electric energy.
2) because spray arm direction of rotation is more single, therefore, the region being undertaken rinsing by spray arm direct jet cleaning water is limited, like this, cause the tableware in some region that the washings launched from other tableware can only be leaned on to rinse, even can cause the generation of washing dead angle phenomenon, thus have a strong impact on the detersive efficiency of dish-washing machine and clean effect.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, provide spray arm device and have the dish-washing machine of this spray arm device, it is intended to solve existing spraying arm of dish washer and is only rotated in the horizontal direction and causes clean result and the low technical problem of detersive efficiency.
For achieving the above object, the technical solution used in the present invention is: spray arm device, comprises the spray arm main body with the first hollow cavity, water inlet and several the first jets, and described spray arm main body is convexly equipped with water inlet pipe in described water inlet, spray arm device also comprises spray arm accessory body, be sheathed on described water inlet pipe periphery determine bevel gear and be fastenedly connected determine bevel gear be arranged in snap ring on described water inlet pipe for by described on described water inlet pipe, described spray arm accessory body has the second jet that the second hollow cavity is communicated with described second hollow cavity with several, described spray arm accessory body is sheathed on described spray arm main body from one end of described spray arm main body, and one end towards described water inlet pipe of described spray arm accessory body is convexly equipped with and the described dynamic bevel gear determined bevel gear and coordinate, the outer wall of described spray arm main body also offers the intercommunicating pore for being communicated with described first hollow cavity and described second hollow cavity.
Particularly, described spray arm main body comprises the first hollow housing and the second hollow housing that lay respectively at described water inlet pipe two opposite sides, several first jets described are located on described first hollow housing, described intercommunicating pore is located on described second hollow housing, and described spray arm accessory body is sheathed on described second hollow housing.
Further, described dynamic bevel gear is axially also convexly equipped with connecting axle towards the direction extension of described water inlet pipe along it, described connecting axle axially runs through the axis hole being provided with and being communicated with described second hollow cavity along it, the interior wide radial dimension of described second hollow cavity is greater than the gabarit radial dimension of described second hollow housing, the interior wide radial dimension of described axis hole and the gabarit radial dimension of described second hollow housing are equipped with, described intercommunicating pore is located at the middle position of described second hollow housing axis, one end near described water inlet pipe of described second hollow housing is provided with the auxiliary section that outer wall is smooth continuous surface, the inwall of described axis hole coordinates with the wall contacts of described auxiliary section.
Further, be convexly equipped with buckle in its one end away from described dynamic bevel gear in described second hollow cavity, one end away from described water inlet pipe of described second hollow housing is convexly equipped with positioning convex, and described buckle is connected with described positioning convex buckle.
Particularly, the described positioning convex end away from described water inlet pipe comprised along described second hollow housing extends the axle portion of projection and is convexly equipped in described end, axle portion and radial dimension is greater than the convex cap portion of described axle portion radial dimension, described convex cap portion has towards the buckling surface in described axle portion, described buckle comprises the link rod part extending projection along described second hollow cavity inwall towards described dynamic bevel gear and the hook portion arranged towards described second hollow cavity central shaft bending along described link rod part, and described hook portion is fastened on described buckling surface.
Particularly, describedly determining bevel gear along its central shaft to running through the installing hole being provided with and can being placed on outside described water inlet pipe, the inwall of described installing hole being convexly equipped with several intervals and arranging for the cooperation boss coordinated with described water inlet pipe wall contacts.
More specifically, the described top back to described spray arm main body of determining bevel gear is also convexly equipped with the annular flange flange that internal diameter is greater than described installing hole internal diameter, the inwall of described annular flange flange is convexly equipped with at least two the first positioning boss for being connected with the first locating groove rotary fastening on pipe member.
Particularly, described snap ring comprises and inserting in described water inlet pipe for being fastenedly connected the connecting portion of described water inlet pipe and being convexly equipped in that described water inlet pipe is outer to be determined bevel gear be clamped in screens flange part on described water inlet pipe for by described, the outer wall of described connecting portion is convexly equipped with the second positioning boss, the inwall of described water inlet pipe is provided with for the second locating groove of described second positioning boss screw-in location with for preventing described second positioning boss from the second spacing preiection of slippage in described second locating groove.
Spray arm device provided by the invention, comprise and there is the first hollow cavity, the spray arm main body of water inlet and several the first jets, described spray arm main body is convexly equipped with water inlet pipe in described water inlet, it is characterized in that: also comprise spray arm accessory body, be sheathed on determining bevel gear and being fastenedly connected outside described water inlet pipe to determine bevel gear be stuck in snap ring on described water inlet pipe for by described on described water inlet pipe, described spray arm accessory body has the second jet that the second hollow cavity is communicated with described second hollow cavity with several, described spray arm accessory body is sheathed on described spray arm main body from one end of described spray arm main body, and one end towards described water inlet of described spray arm main body is convexly equipped with and the described dynamic bevel gear determined bevel gear and coordinate, the outer wall of described spray arm main body offers the intercommunicating pore for being communicated with described first hollow cavity and described second hollow cavity.
Spray arm device provided by the invention, there is by setting up one end in spray arm main body the spray arm accessory body of dynamic bevel gear, and by the water inlet pipe of spray arm main body sheathed coordinate with dynamic bevel gear determine bevel gear, thus the rotatable installation of spray arm accessory body in spray arm main body can be realized; Meanwhile, it by offering intercommunicating pore on the outer wall of spray arm main body, thus effectively can realize being communicated with of the first hollow cavity and the second hollow cavity on spray arm accessory body in spray arm main body.Like this, in concrete washing process, after washings to enter the first hollow cavity of spray arm main body from water inlet, spray in the first jet that part washings are directly communicated with the first hollow cavity spray arm main body and carry out flushing tableware, flow in the second hollow cavity of spray arm accessory body in the intercommunicating pore that another part water is then communicated with the first hollow cavity spray arm main body, and final ejection in the second jet spray arm accessory body carries out flushing tableware.In addition, in the first jet, the washings of outwards ejection have a reaction force to spray arm subjective role, and the central shaft that this reaction force can drive spray arm main body to move into water pipe carries out horizontal revolving motion.And be sheathed in spray arm main body due to spray arm accessory body, therefore in the rotary course of spray arm main body, spray arm accessory body also carries out horizontal revolving motion with spray arm main body; And due to dynamic bevel gear and the engagement of determining bevel gear, therefore, to carry out in the process horizontally rotated with spray arm main body at spray arm accessory body, dynamic bevel gear axially will carry out vertical rotary motion around it under the active force determining bevel gear, and the vertical rotary motion of dynamic bevel gear can drive whole spray arm accessory body to carry out vertical rotary motion, thus the dual rotary motion that spray arm accessory body can be made simultaneously to carry out horizontally rotating and vertically rotate.The vertical rotary motion of spray arm accessory body, the washing that liquidates up and down to tableware can be realized, and effectively can expand the regional extent that washings directly rinse, the phenomenon at washing dead angle is prevented to occur, and then effectively improve detersive efficiency and the clean result of tableware, and and then be beneficial to and improve the detersive efficiency of dish-washing machine and clean result, be beneficial to and save electric energy and water resource.
The present invention also provides dish-washing machine, comprises the pipe member and above-mentioned spray arm device with discharge outlet, and described spray arm device is determined bevel gear be connected on described pipe member by described, and described discharge outlet is communicated with described water inlet.
Further, the described inwall determining bevel gear is convexly equipped with the first positioning boss, described pipe member is convexly equipped with drainpipe in described discharge outlet place, and the outer wall of described drainpipe is provided with for the first locating groove of described first positioning boss screw-in location with for preventing described first positioning boss from the first spacing preiection of slippage in described first locating groove.
Dish-washing machine provided by the invention, owing to have employed above-mentioned spray arm device, therefore, by the dual rotary motion of spray arm accessory body, realize the washing that liquidates up and down to tableware, and expand the regional extent that washings directly rinse, thus effectively improve the clean efficiency of dish-washing machine and clean effect, effective electric energy saving dish-washing machine and the waste avoiding unnecessary water resource, improve combination property and the market competitiveness of dish-washing machine.
Accompanying drawing explanation
Fig. 1 is that spray arm device that the embodiment of the present invention provides is installed on pipe member partly cuts open structural representation;
Fig. 2 is the perspective view of the spray arm main body that the embodiment of the present invention provides;
Fig. 3 is the close-up schematic view at A place in Fig. 2;
Fig. 4 is the perspective view of the spray arm accessory body that the embodiment of the present invention provides;
Fig. 5 be the spray arm accessory body that provides of the embodiment of the present invention partly cut open structural representation; ;
Fig. 6 is the perspective view of determining bevel gear that the embodiment of the present invention provides;
Fig. 7 is the perspective view of the snap ring that the embodiment of the present invention provides;
Fig. 8 is the perspective view of the pipe member that the embodiment of the present invention provides.
Detailed description of the invention
In order to make object of the present invention, technical 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 Figure 1, Figure 2 and Figure 4, the spray arm device 1 that the embodiment of the present invention provides, comprises the spray arm main body 11 with the first hollow cavity 111, water inlet 112 and several the first jets 113, and spray arm main body 11 is convexly equipped with water inlet pipe 114 in water inlet 112 place, spray arm device 1 also comprises spray arm accessory body 12, be sheathed on water inlet pipe 114 periphery determine bevel gear 13 and be fastenedly connected on water inlet pipe 114, be stuck in snap ring 14 on water inlet pipe 114 for by determining bevel gear 13, spray arm accessory body 12 has the second jet 122 that the second hollow cavity 121 is communicated with the second hollow cavity 121 with several, spray arm accessory body 12 is sheathed on spray arm main body 11 from one end of spray arm main body 11, and one end towards water inlet pipe 114 of spray arm accessory body 12 is convexly equipped with and the dynamic bevel gear 123 determined bevel gear 13 and coordinate, the outer wall of spray arm main body 11 also offers the intercommunicating pore 115 for being communicated with the first hollow cavity 111 and the second hollow cavity 121.The setting of the first jet 113 in spray arm main body 11, be mainly used in spraying the first hollow cavity 111 for washings outer with the flushing realized tableware, during specific design, by position and the angle of optimal design the first jet 113, spray arm main body 11 can be driven to make the washings ejected in the first jet 113 to horizontally rotate around the central shaft of water inlet pipe 114 reaction force of spray arm main body 11.Determine the setting of bevel gear 13, be mainly used in coordinating with the dynamic bevel gear 123 on spray arm accessory body 12, rotate for driving dynamic bevel gear 123, the setting of snap ring 14, be mainly used in limiting and determine bevel gear 13 and be installed on moving displacement along water inlet pipe 114 axis on water inlet pipe 114.Particularly, determine can produce relative rotation between bevel gear 13 and water inlet pipe 114 displacement, and determine bevel gear 13 and be fastenedly connected on pipe member 2, spray arm device 1 is installed on after on pipe member 2, determine bevel gear 13 non-rotatable, spray arm main body 11 can be rotated around determining bevel gear 13.The central shaft determining bevel gear 13 to the central shaft of water inlet pipe 114 to consistent, the central shaft of dynamic bevel gear 123 to the central shaft of water inlet pipe 114 to mutually vertical, the central shaft namely determining bevel gear 13 to the central shaft of dynamic bevel gear 123 to mutual vertical.Spray arm device 1 provided by the invention, there is by setting up one end in spray arm main body 11 the spray arm accessory body 12 of dynamic bevel gear 123, and by the water inlet pipe 114 of spray arm main body 11 sheathed coordinate with dynamic bevel gear 123 determine bevel gear 13, thus the rotatable installation of spray arm accessory body 12 in spray arm main body 11 can be realized, namely spray arm accessory body 12 is placed on after in spray arm main body 11 and still can be rotated around spray arm main body 11 in the vertical direction.Simultaneously, it by offering intercommunicating pore 115 on the outer wall of spray arm main body 11, thus effectively can realize being communicated with of the first hollow cavity 111 and the second hollow cavity 121 on spray arm accessory body 12 in spray arm main body 11, like this, make the washings entered from water inlet 112 in first hollow cavity 111, can flow in the second hollow cavity 121 in intercommunicating pore 115.In concrete washing process, after washings to enter the first hollow cavity 111 of spray arm main body 11 from water inlet 112, spray in the first jet 113 that part washings are directly communicated with the first hollow cavity 111 spray arm main body 11 and carry out flushing tableware, flow in the second hollow cavity 121 of spray arm accessory body 12 in the intercommunicating pore 115 that another part water is then communicated with the first hollow cavity 111 spray arm main body 11, and finally carry out flushing tableware from ejection in the second jet 122 spray arm accessory body 12.In addition, in the first jet 113, the washings of outwards ejection have a reaction force to spray arm main body 11 effect, and the central shaft that this reaction force can drive spray arm main body 11 to move into water pipe 114 carries out horizontal revolving motion.And be sheathed in spray arm main body 11 due to spray arm accessory body 12, therefore in the rotary course of spray arm main body 11, spray arm accessory body 12 also carries out horizontal revolving motion with spray arm main body 11; And due to dynamic bevel gear 123 and the engagement of determining bevel gear 13, therefore, carry out in the process horizontally rotated at spray arm accessory body 12 with spray arm main body 11, dynamic bevel gear 123 will carry out vertical rotary motion under the active force determining bevel gear 13, and the vertical rotary motion of dynamic bevel gear 123 can drive whole spray arm accessory body 12 to carry out vertical rotary motion, thus spray arm accessory body 12 can be made to carry out the dual rotary motion that horizontal direction rotates and vertical direction rotates simultaneously.The vertical direction rotary motion of spray arm accessory body 12, the washing that liquidates up and down to tableware can be realized, and effectively can expand the regional extent that washings directly rinse, the phenomenon at washing dead angle is prevented to occur, and then effectively improve detersive efficiency and the clean result of tableware, and and then be beneficial to and improve the detersive efficiency of dish-washing machine and clean result, be beneficial to and save electric energy and water resource.Further, the dual rotation of spray arm accessory body 12 makes to have overlapping region from the washings jeting area of its washings jeting area and spray arm main body 11, thus the object that localized region carries out strengthening washing can be reached, in embody rule, can degree of fouling is higher, the reinforcement that more difficult clean tableware is placed on dish-washing machine is washed in region, double rinse is carried out to wash region by spray arm main body 11 and spray arm accessory body 12 to reinforcement, thus ensure that degree of fouling is higher, more difficult clean tableware can be rinsed totally within a short period of time, and then can realize degree of fouling higher under the prerequisite not extending dish-washing machine wash time, cleaning of more difficult clean tableware, avoid the waste of unnecessary water resource and improve the electric energy saving effect of dish-washing machine.
Particularly, as depicted in figs. 1 and 2, spray arm main body 11 comprises the first hollow housing 116 and the second hollow housing 117 laying respectively at water inlet pipe 114 two opposite sides, several first jets 113 are located on the first hollow housing 116, intercommunicating pore 115 is located on the second hollow housing 117, and spray arm accessory body 12 is sheathed on the second hollow housing 117.First hollow housing 116 and the second hollow housing 117 are located at the both sides of water inlet pipe 114 by the present embodiment respectively, the position of optimal design first jet 113 and intercommunicating pore 115 can be beneficial to, and be beneficial to the uniformity ensureing the washings flowing to the first jet 113 and intercommunicating pore 115 place, can prevent the installation of spray arm accessory body 12 from producing interference to the first jet 113 simultaneously.
Further, as Fig. 1, Fig. 2, shown in Fig. 4 and Fig. 5, dynamic bevel gear 123 is axially also convexly equipped with connecting axle 124 towards the direction extension of water inlet pipe 114 along it, connecting axle 124 axially runs through the axis hole 125 being provided with and being communicated with the second hollow cavity 121 along it, the interior wide radial dimension of the second hollow cavity 121 is greater than the gabarit radial dimension of the second hollow housing 117, the interior wide radial dimension of axis hole 125 and the gabarit radial dimension of the second hollow housing 117 are equipped with, intercommunicating pore 115 is located at the middle position of the second hollow housing 117 axis, one end near water inlet pipe 114 of second hollow housing 117 is provided with the auxiliary section 1171 that outer wall is smooth continuous surface, the inwall of axis hole 125 coordinates with the wall contacts of auxiliary section 1171.Axis hole 125 inwall coordinates with the contact of auxiliary section 1171 outer wall, sealing function can be played to the installation of spray arm accessory body 12 in spray arm main body 11, thus be beneficial to and prevent from entering washings in the second hollow cavity 121 and directly outwards spray from the cooperation place of spray arm accessory body 12 with spray arm main body 11.The present embodiment, wide radial dimension in second hollow cavity 121 is designed than the gabarit radial dimension of the second hollow housing 117, the contact area of spray arm accessory body 12 and the second hollow housing 117 can be reduced on the one hand, thus be beneficial to the frictional resistance reducing to be subject in the vertical rotary motion of spray arm accessory body 12, and then be beneficial to the smoothness ensureing the vertical rotary motion of spray arm accessory body 12; Can be beneficial on the other hand and improve washings from the smoothness in inflow the second hollow cavity 121 in intercommunicating pore 115; The material cost of spray arm accessory body 12 can be reduced again on the one hand.Of coursing, in embody rule, in order to improve axis hole 125 and the sealing property of auxiliary section 1171 further, also can set up seal between axis hole 125 and auxiliary section 1171.
Particularly, as shown in Figure 1, Figure 2 with shown in Fig. 5, buckle 126 is convexly equipped with in second hollow cavity 121 in its one end away from dynamic bevel gear 123, one end away from water inlet pipe 114 of second hollow housing 117 is convexly equipped with positioning convex 118, buckle 126 and positioning convex 118 are fastened and connected, like this, the solid and reliable property ensureing that spray arm accessory body 12 is installed in spray arm main body 11 is beneficial to.
Particularly, as Fig. 1, shown in Fig. 2 and Fig. 5, positioning convex 118 end away from water inlet pipe 114 comprised along the second hollow housing 117 extends the axle portion 1181 of projection and is convexly equipped in end, axle portion 1181 and radial dimension is greater than the convex cap portion 1182 of axle portion 1181 radial dimension, convex cap portion 1182 has towards the buckling surface in axle portion 1181, buckle 126 comprises the link rod part 1261 extending projection along the second hollow cavity 121 inwall towards dynamic bevel gear 123 and the hook portion 1262 arranged towards the second hollow cavity 121 central shaft bending along link rod part 1261, hook portion 1262 is fastened on buckling surface, like this, effectively can realize buckle 126 to be connected with the buckle 126 of positioning convex 118.The present embodiment, buckle 126 is provided with two, and the link rod part 1261 of two buckles 126 extends parallel to each other, and the hook portion 1262 of two buckles 126 bends extension in opposite directions.During concrete installation, can spray arm accessory body 12 be located at the second hollow housing 117 from the end pushing set away from water inlet pipe 114 of the second hollow housing 117, when hook portion 1262 touches convex cap portion 1182, hook portion 1262 can produce elastic deformation under the effect of artificial thrust and convex cap portion 1182 reaction force, thus hook portion 1262 can be made to slip over convex cap portion 1182 and be fastened on the buckling surface in convex cap portion 1182, like this, the installation of spray arm accessory body 12 is namely completed.And when spray arm accessory body 12 disassembles from spray arm main body 11 by needs, spray arm accessory body 12 can be pulled towards the direction back to water inlet pipe 114, hook portion 1262 can produce elastic deformation under the effect of the reaction force in artificial pulling force and convex cap portion 1182, thus hook portion 1262 can be made to depart from fastening mating surface and slip over convex cap portion 1182, like this, the dismounting of spray arm accessory body 12 is namely completed.
Preferably, as shown in Figure 2, convex 1182 one-tenth, cap portion is hemispherical, and like this, can be beneficial to hook portion 1262 can slip over convex cap portion 1182 quickly on the one hand, thus is beneficial to the efficiency improving buckle 126 and the dismounting of positioning convex 118 buckle 126; Be beneficial to the aesthetic property improving positioning convex 118 on the other hand.
Preferably, as indicated with 2, intercommunicating pore 115 is in long arc shape, and intercommunicating pore 115 can be provided with multiple, and multiple intercommunicating pore 115 is uniformly distributed along the outer wall circumference of the second hollow housing 117, like this, the water entered in the second hollow housing 117 can be made can to enter fast in the second hollow cavity 121 of spray arm accessory body 12.Understandably, under the prerequisite that single intercommunicating pore 115 size is constant, the magnitude setting of intercommunicating pore 115 is more, and the rigidity of the second hollow housing 117 and intensity also can along with declines; Because the second hollow housing 117 is also for supporting spray arm accessory body 12, therefore during specific design, the quantity of intercommunicating pore 115 also can not arrange too much, to ensure that the second hollow housing 117 has enough rigidity and intensity, thus ensure that the second hollow housing 117 supports the solid and reliable property of spray arm accessory body 12.
Particularly, as shown in figures 1 to 6, determining bevel gear 13 along its central shaft to running through the installing hole 131 being provided with and can being placed on outside water inlet pipe 114, the inwall of installing hole 131 being convexly equipped with several intervals and arranging for the cooperation boss 132 coordinated with water inlet pipe 114 wall contacts.Boss 132 is coordinated specifically to can be rectangular blocks or semi-cylindrical block etc.The present embodiment, determine bevel gear 13 to be installed on after on water inlet pipe 114, realize determining bevel gear 13 mainly through coordinating boss 132 to coordinate with the contact of water inlet pipe 114 outer wall, the radial direction of water inlet pipe 114 is spacing, namely the inwall of installing hole 131 can not be fitted and be contacted the outer wall of water inlet pipe 114, and just coordinate boss 132 towards the outer wall of the surface laminating contact water inlet pipe 114 of water inlet pipe 114, like this, under the prerequisite ensureing the reliability that water inlet pipe 114 is radial spacing, the contact determining bevel gear 13 and water inlet pipe 114 outer wall can be effectively reduced, thus be beneficial to and reduce spray arm main body 11 and horizontally rotate the frictional resistance be subject in process, and then be beneficial to the smoothness ensureing that spray arm main body 11 horizontally rotates.
Further, as shown in Fig. 1, Fig. 6 and Fig. 8, the top back to spray arm main body 11 of determining bevel gear 13 is also convexly equipped with the annular flange flange 133 that internal diameter is greater than installing hole 131 internal diameter, the inwall of annular flange flange 133 is convexly equipped with at least two the first positioning boss 134 for being connected with the first locating groove 221 rotary fastening on pipe member 2.The setting of the first positioning boss 134, is mainly used in realizing determining being fastenedly connected of bevel gear 13 and pipe member 2; And the first positioning boss 134 be located at be convexly equipped in spray arm main body 11 top annular flange flange 133 on, can avoid determining producing interference when bevel gear 13 is connected in pipe member 2 and spray arm main body 11.
Particularly, as shown in Figure 1 and Figure 7, snap ring 14 comprises and inserting in water inlet pipe 114 for being fastenedly connected the connecting portion 141 of water inlet pipe 114 and being convexly equipped in that water inlet pipe 114 is outer is clamped in screens flange part 142 on water inlet pipe 114 for by determining bevel gear 13.During concrete installation, can first be placed on water inlet pipe 114 by determining bevel gear 13, again snap ring 14 is installed on water inlet pipe 114, now the connecting portion 141 of snap ring 14 can be fastenedly connected with water inlet pipe 114, screens flange part 142 can be pressed on determine bevel gear 13 installing hole 131 edge on, thus effectively can limit and determine the vertical moving displacement of bevel gear 13 on water inlet pipe 114.
More specifically, as shown in Figure 1 and Figure 7, the outer wall of connecting portion 141 is convexly equipped with the second positioning boss 1411, the inwall of water inlet pipe 114 is provided with for the second locating groove 1141 of the second positioning boss 1411 screw-in location with for preventing the second positioning boss 1411 from the second spacing preiection 1142 of slippage in the second locating groove 1141.Particularly, the inwall of water inlet pipe 114 is convexly equipped with the second axial limiting boss 223 and second week to positive stop lug boss 1144, second week extends to positive stop lug boss 1144 along one end of the second axial limiting boss 223 straight down towards the first hollow cavity 111, and second week can be connected to form a L-type component to positive stop lug boss 1144 and second week to positive stop lug boss 1144, second locating groove 1141 is formed at the inner side of this L-type component, and the second spacing preiection 1142 is convexly equipped in the second locating groove 1141.Second positioning boss 1411 is combined on after in the second locating groove 1141, second axial limiting boss 223 can limit snap ring 14 and move up displacement towards the axis of the outer movement of water inlet 112, screens flange part 142 can limit snap ring 14 and move down displacement towards the axis of movement in water inlet 112, second week to positive stop lug boss 1144 can limit snap ring 14 in water inlet pipe 114 towards its rotate installation direction rotate circumference along rotation displacement, second spacing preiection 1142 can limit snap ring 14 in water inlet pipe 114 towards the circumferential de-rotation displacement rotating installation direction rotation back to it, what the inwall of water inlet pipe 114 can limit snap ring 14 moves radially displacement, like this, by the second axial limiting boss 223, second week is to positive stop lug boss 1144, second spacing preiection 1142, the common position-limiting action of screens flange part 142 and axis hole 125 inwall, effectively can ensure the solid and reliable property that the second positioning boss 1411 is installed in the second locating groove 1141.
Preferably, the second positioning boss 1411, second locating groove 1141 and the second spacing preiection 1142 are all at least provided with two, like this, are beneficial to the stationarity ensureing that snap ring 14 is installed on water inlet pipe 114.The present embodiment, the second positioning boss 1411, second locating groove 1141 and the second spacing preiection 1142 are equipped with four.
Further, the embodiment of the present invention additionally provides dish-washing machine, and as illustrated in figures 1 and 8, it comprises the pipe member 2 and above-mentioned spray arm device 1 with discharge outlet 21, spray arm device 1 is connected on pipe member 2 by determining bevel gear 13, and discharge outlet 21 is communicated with water inlet 112.Particularly, dish-washing machine also comprises the inner bag (not shown) with washing inner chamber, the shell (not shown) covered in outside inner bag, is located at the base bottom inner bag, the bowl basket be located in washing inner chamber, and spray arm device 1 is located in washing inner chamber.The dish-washing machine that the embodiment of the present invention provides, owing to have employed above-mentioned spray arm device 1, therefore, by the dual rotary motion of spray arm accessory body 12, realize the washing that liquidates up and down to tableware, and expand the regional extent that washings directly rinse, thus effectively improve the clean efficiency of dish-washing machine and clean effect, effective electric energy saving dish-washing machine and the waste avoiding unnecessary water resource, improve combination property and the market competitiveness of dish-washing machine.
Particularly, spray arm device, middle spray arm device and lower spraying arm device is provided with in dish-washing machine, upper spray arm device, middle spray arm device and lower spraying arm device are installed on the top of inner bag, middle part and bottom respectively, and the present embodiment, above-mentioned spraying arm of dish washer device 1 is specially spray arm device in dish-washing machine.In embody rule, upper spray arm device, middle spray arm device and lower spraying arm device all can adopt above-mentioned spray arm device 1; Also only a kind of in upper spray arm device, middle spray arm device and lower spraying arm device or two kinds can be set to above-mentioned spray arm device 1, can according to the optimal design such as real needs and manufacturing cost during specific design.When upper spray arm device, middle spray arm device and lower spraying arm device all adopt above-mentioned spray arm device 1, water inlet 112 and the first jet 113 towards difference in the just spray arm main body 11 that three is different.
Particularly, as shown in Fig. 1, Fig. 6 and Fig. 8, the inwall determining bevel gear 13 is convexly equipped with the first positioning boss 134, pipe member 2 is convexly equipped with drainpipe 22 in discharge outlet 21 place, and the outer wall of drainpipe 22 is provided with for the first locating groove 221 of the first positioning boss 134 screw-in location with for preventing the first positioning boss 134 from the first spacing preiection 222 of slippage in the first locating groove 221.Particularly, the outer wall of drainpipe 22 is convexly equipped with the first axial limiting boss and the first circumferential positive stop lug boss 224, first circumferential positive stop lug boss 224 vertically extends along one end of the first axial limiting boss towards the direction back to water inlet pipe 114, and second week can be connected to form a L-type component to positive stop lug boss 1144 and second week to positive stop lug boss 1144, first locating groove 221 is formed at the inner side of this L-type component, and the first spacing preiection 222 is convexly equipped in the first locating groove 221.First positioning boss 134 is combined on after in the first locating groove 221, first axial limiting boss can limit to be determined bevel gear 13 and moves down displacement towards the axis of the direction movement away from pipe member 2, first circumferential positive stop lug boss 224 can limit the first positioning boss 134 and rotate towards it and be installed on circumference that the direction in the first locating groove 221 rotates along rotation displacement, first spacing preiection 222 can limit the first positioning boss 134 towards the circumferential de-rotation displacement rotated back to its rotation direction be installed in the first locating groove 221, the outer wall of drainpipe 22 can limit determine bevel gear 13 move radially displacement, like this, by the first axial limiting boss, first circumferential positive stop lug boss 224, the common position-limiting action of the first spacing preiection 222 and drainpipe 22 outer wall, effectively can ensure the solid and reliable property that the first positioning boss 134 is installed in the first locating groove 221.
Preferably, the first positioning boss 134, first locating groove 221 and the first spacing preiection 222 are all at least provided with two, like this, are beneficial to the stationarity ensureing that snap ring 14 is installed on water inlet pipe 114.The present embodiment, the first positioning boss 134, first locating groove 221 and the first spacing preiection 222 are equipped with four.
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. spray arm device, comprise and there is the first hollow cavity, the spray arm main body of water inlet and several the first jets, described spray arm main body is convexly equipped with water inlet pipe in described water inlet, it is characterized in that: also comprise spray arm accessory body, be sheathed on described water inlet pipe periphery determine bevel gear and be fastenedly connected determine bevel gear be arranged in snap ring on described water inlet pipe for by described on described water inlet pipe, described spray arm accessory body has the second jet that the second hollow cavity is communicated with described second hollow cavity with several, described spray arm accessory body is sheathed on described spray arm main body from one end of described spray arm main body, and one end towards described water inlet pipe of described spray arm accessory body is convexly equipped with and the described dynamic bevel gear determined bevel gear and coordinate, the outer wall of described spray arm main body also offers the intercommunicating pore for being communicated with described first hollow cavity and described second hollow cavity.
2. spray arm device as claimed in claim 1, it is characterized in that: described spray arm main body comprises the first hollow housing and the second hollow housing that lay respectively at described water inlet pipe two opposite sides, several first jets described are located on described first hollow housing, described intercommunicating pore is located on described second hollow housing, and described spray arm accessory body is sheathed on described second hollow housing.
3. spray arm device as claimed in claim 2, it is characterized in that: described dynamic bevel gear is axially also convexly equipped with connecting axle towards the direction extension of described water inlet pipe along it, described connecting axle axially runs through the axis hole being provided with and being communicated with described second hollow cavity along it, the interior wide radial dimension of described second hollow cavity is greater than the gabarit radial dimension of described second hollow housing, the interior wide radial dimension of described axis hole and the gabarit radial dimension of described second hollow housing are equipped with, described intercommunicating pore is located at the middle position of described second hollow housing axis, one end near described water inlet pipe of described second hollow housing is provided with the auxiliary section that outer wall is smooth continuous surface, the inwall of described axis hole coordinates with the wall contacts of described auxiliary section.
4. spray arm device as claimed in claim 2 or claim 3, it is characterized in that: be convexly equipped with buckle in its one end away from described dynamic bevel gear in described second hollow cavity, one end away from described water inlet pipe of described second hollow housing is convexly equipped with positioning convex, and described buckle is connected with described positioning convex buckle.
5. spray arm device as claimed in claim 4, it is characterized in that: the described positioning convex end away from described water inlet pipe comprised along described second hollow housing extends the axle portion of projection and is convexly equipped in described end, axle portion and radial dimension is greater than the convex cap portion of described axle portion radial dimension, described convex cap portion has towards the buckling surface in described axle portion, described buckle comprises the link rod part extending projection along described second hollow cavity inwall towards described dynamic bevel gear and the hook portion arranged towards described second hollow cavity central shaft bending along described link rod part, described hook portion is fastened on described buckling surface.
6. the spray arm device as described in any one of claims 1 to 3, it is characterized in that: describedly determine bevel gear along its central shaft to running through the installing hole being provided with and can being placed on outside described water inlet pipe, the inwall of described installing hole being convexly equipped with several intervals and arranging for the cooperation boss coordinated with described water inlet pipe wall contacts.
7. spray arm device as claimed in claim 6, it is characterized in that: the described top back to described spray arm main body of determining bevel gear is also convexly equipped with the annular flange flange that internal diameter is greater than described installing hole internal diameter, the inwall of described annular flange flange being convexly equipped with at least two the first positioning boss for being connected with the first locating groove rotary fastening on pipe member.
8. the spray arm device as described in any one of claims 1 to 3, it is characterized in that: described snap ring comprises and inserting in described water inlet pipe for being fastenedly connected the connecting portion of described water inlet pipe and being convexly equipped in that described water inlet pipe is outer to be determined bevel gear be clamped in screens flange part on described water inlet pipe for by described, the outer wall of described connecting portion is convexly equipped with the second positioning boss, the inwall of described water inlet pipe is provided with for the second locating groove of described second positioning boss screw-in location with for preventing described second positioning boss from the second spacing preiection of slippage in described second locating groove.
9. dish-washing machine, comprise the pipe member with discharge outlet, it is characterized in that: also comprise the spray arm device as described in any one of claim 1 to 8, described spray arm device is determined bevel gear be connected on described pipe member by described, and described discharge outlet is communicated with described water inlet.
10. dish-washing machine as claimed in claim 9, it is characterized in that: the described inwall determining bevel gear is convexly equipped with the first positioning boss, described pipe member is convexly equipped with drainpipe in described discharge outlet place, and the outer wall of described drainpipe is provided with for the first locating groove of described first positioning boss screw-in location with for preventing described first positioning boss from the first spacing preiection of slippage in described first locating groove.
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| CN201410339176.XA CN104706293B (en) | 2014-07-16 | 2014-07-16 | Spray arm device and dish-washing machine |
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| CN201410339176.XA CN104706293B (en) | 2014-07-16 | 2014-07-16 | Spray arm device and dish-washing machine |
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Effective date of registration: 20230629 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 Beijiao Town Industrial Park, Shunde District, Foshan City, Guangdong Province Patentee before: FOSHAN SHUNDE MIDEA WASHING APPLIANCES MANUFACTURING Co.,Ltd. Patentee before: MIDEA GROUP Co.,Ltd. |