The content of the invention
It is an object of the invention to overcome above-mentioned the deficiencies in the prior art, there is provided spray arm device and with the spray arm device
Dish-washing machine, its aim to solve the problem that existing spraying arm of dish washer be rotated in only the horizontal direction cause clean result and washing imitate
The low technical problem of rate.
To reach above-mentioned purpose, the technical solution adopted by the present invention is:Spray arm device, including with the first hollow cavity,
The spray arm main body of water inlet and several the first jets, the spray arm main body is convexly equipped with water inlet pipe in the water inlet;Spray
Arm assembly also include spray arm accessory body, be sheathed on the water inlet pipe periphery determine bevel gear and be fastenedly connected on the water inlet pipe with
For determining the snap ring that bevel gear is arranged on the water inlet pipe by described, the spray arm accessory body has the second hollow cavity and some
Individual the second jet connected with second hollow cavity, the spray arm accessory body is sheathed on institute from one end of the spray arm main body
State in spray arm main body, and one end towards the water inlet pipe of the spray arm accessory body is convexly equipped with and determines the dynamic of bevel gear cooperation with described
Bevel gear, is further opened with the outer wall of the spray arm main body for connecting first hollow cavity with second hollow cavity
Intercommunicating pore.
Specifically, the spray arm main body includes the first hollow housing and second respectively positioned at the water inlet pipe two opposite sides
Hollow housing, on first hollow housing, the intercommunicating pore is in described second for described several first jets
On empty capsid, and the spray arm accessory body is sheathed on second hollow housing.
Further, the dynamic bevel gear is convexly equipped with connecting shaft along its direction extension axially also towards the water inlet pipe,
The connecting shaft axially penetrates through the axis hole for being provided with and being connected with second hollow cavity, the interior exterior feature of second hollow cavity along it
Radial dimension is more than the gabarit radial dimension of second hollow housing, in the interior wide radial dimension of the axis hole and described second
The gabarit radial dimension of empty capsid is equipped with, and the intercommunicating pore is located at the middle position of second hollow housing axial direction,
One end near the water inlet pipe of second hollow housing is provided with the auxiliary section that outer wall is smooth continuous surface, the axis hole
The wall contacts of inwall and the auxiliary section coordinate.
Further, second hollow cavity is interior and is convexly equipped with buckle away from one end of the dynamic bevel gear in it, institute
The one end away from the water inlet pipe for stating the second hollow housing is convexly equipped with positioning convex, the buckle and the positioning convex buckle
Connection.
Specifically, the positioning convex includes extending convex along the end away from the water inlet pipe of second hollow housing
If axle portion and be convexly equipped in the axle portion end and radial dimension more than the radial dimension of convex cap portion of the axle portion, the convex cap portion
With the buckling surface towards the axle portion, the buckle includes prolonging towards the dynamic bevel gear along the second hollow cavity inwall
The hook portion stretched the link rod part of projection and set towards the second hollow cavity central shaft bending along the link rod part, the extension
Hook part is fastened on the buckling surface.
Specifically, it is described to determine bevel gear along central shaft to through being provided with the mounting hole that be placed on outside the water inlet pipe, institute
State the cooperation boss that several interval settings are convexly equipped with the inwall of mounting hole for coordinating with the water inlet pipe wall contacts.
More specifically, the top back to the spray arm main body for determining bevel gear is also convexly equipped with internal diameter more than the installation
The annular flange of hole internal diameter, at least two are convexly equipped with the inwall of the annular flange is used for and the first locator card on pipe member
First positioning boss of groove rotary fastening connection.
Specifically, the snap ring include inserting in the water inlet pipe for be fastenedly connected the water inlet pipe connecting portion and
It is convexly equipped in the water inlet pipe outer for determining the screens flange part that bevel gear is clamped on the water inlet pipe, the connection by described
The second positioning boss is convexly equipped with the outer wall in portion, the inwall of the water inlet pipe is provided with and screws in positioning for second positioning boss
The second locating groove and the second limit convex for preventing second positioning boss from being slipped from second locating groove
Rise.
The spray arm device that the present invention is provided, including with the first hollow cavity, water inlet and several the first jets
Spray arm main body, the spray arm main body is convexly equipped with water inlet pipe in the water inlet, it is characterised in that:Also include spray arm accessory body, set
Outside the water inlet pipe determine bevel gear and be fastenedly connected on the water inlet pipe for determining described bevel gear and being stuck in institute
State the snap ring on water inlet pipe, the spray arm accessory body have the second hollow cavity and several connected with second hollow cavity
Second jet, the spray arm accessory body is sheathed in the spray arm main body from one end of the spray arm main body, and the spray arm master
One end towards the water inlet of body is convexly equipped with and the dynamic bevel gear for determining bevel gear cooperation, the outer wall of the spray arm main body
On offer intercommunicating pore for connecting first hollow cavity and second hollow cavity.
The spray arm device that the present invention is provided, has the spray arm accessory body of dynamic bevel gear by setting up one end in spray arm main body,
And determine bevel gear with dynamic bevel gear coordinates by being arranged on the water inlet pipe of spray arm main body, so as to spray arm accessory body can be realized in spray
Rotatable installation in arm main body;Meanwhile, it opens up intercommunicating pore by the outer wall of spray arm main body, so as to spray can be realized effectively
In arm main body on the first hollow cavity and spray arm accessory body the second hollow cavity connection.So, in specific washing process, when washing
After washing the first hollow cavity that water enters spray arm main body from water inlet, during a part of washings are directly from spray arm main body with first
Sprayed in first jet of empty inner space and be rinsed tableware, another part water is then hollow with first interior from spray arm main body
Flowed into the intercommunicating pore of chamber connection in the second hollow cavity of spray arm accessory body, and in final the second jet from spray arm accessory body
Ejection is rinsed tableware.Additionally, the washings sprayed from inside to outside from the first jet have a reaction to spray arm subjective role
Power, and the reaction force can drive the spray arm main body to carry out horizontal revolving motion around the central shaft of water inlet pipe.And due to spray arm accessory body
It is sheathed in spray arm main body, therefore, in the rotary course of spray arm main body, spray arm accessory body also carries out level rotation with spray arm main body
Transhipment is dynamic;And due to dynamic bevel gear and the engagement for determining bevel gear, therefore, horizontally rotated with spray arm main body in spray arm accessory body
During, dynamic bevel gear will carry out vertical rotary motion under the active force for determining bevel gear around its axial direction, and dynamic bevel gear
Vertical rotary motion can drive the whole spray arm accessory body to carry out vertical rotary motion, so as to may be such that spray arm accessory body while entering water-filling
Flat rotation and the dual rotary motion of vertical rotation.The vertical rotary motion of spray arm accessory body, is capable of achieving liquidating up and down to tableware
Washing, and can effectively expand the regional extent that washings are directly rinsed, it is therefore prevented that the phenomenon at washing dead angle occurs, and then effectively carries
The detersive efficiency and clean result of tableware high, and and then beneficial to the detersive efficiency and clean result for improving dish-washing machine, beneficial to section
About electric energy and water resource.
The present invention also provides dish-washing machine, including the pipe member with discharge outlet and above-mentioned spray arm device, the spray arm
Device is determined bevel gear and is connected on the pipe member by described, and the discharge outlet is connected with the water inlet.
Further, the first positioning boss is convexly equipped with the inwall for determining bevel gear, the pipe member is in the row
Drainpipe is convexly equipped with the mouth of a river, the outer wall of the drainpipe is provided with the first positioning that positioning is screwed in for first positioning boss
Draw-in groove and the first spacing preiection for preventing first positioning boss from being slipped from first locating groove.
The dish-washing machine that the present invention is provided, as a result of above-mentioned spray arm device, therefore, can be by the dual rotation of spray arm accessory body
Transhipment is dynamic, realizes the washing that liquidates up and down to tableware, and expands the regional extent that washings are directly rinsed, so as to effectively improve
The clean efficiency and clean effect of dish-washing machine, the electric energy for being effectively saved dish-washing machine and the wave for avoiding unnecessary water resource
Take, improve the combination property and the market competitiveness of dish-washing machine.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
As shown in Figure 1, Figure 2 and Figure 4, spray arm device 1 provided in an embodiment of the present invention, including with the first hollow cavity
111st, the spray arm main body 11 of water inlet 112 and several the first jets 113, spray arm main body 11 is convexly equipped with water inlet 112
Water inlet pipe 114;Spray arm device 1 also includes spray arm accessory body 12, is sheathed on determining bevel gear 13 and being fastenedly connected for the periphery of water inlet pipe 114
In, for will determine the snap ring 14 that bevel gear 13 is stuck on water inlet pipe 114, spray arm accessory body 12 is hollow with second on water inlet pipe 114
Inner chamber 121 and several second jets 122 connected with the second hollow cavity 121, spray arm accessory body 12 is from spray arm main body 11
One end is sheathed in spray arm main body 11, and one end towards water inlet pipe 114 of spray arm accessory body 12 is convexly equipped with and determines bevel gear 13 and match somebody with somebody
The dynamic bevel gear 123 of conjunction, is further opened with hollow interior for connecting the first hollow cavity 111 and second on the outer wall of spray arm main body 11
The intercommunicating pore 115 in chamber 121.The setting of the first jet 113 in spray arm main body 11, is mainly used in hollow for washings ejection first
Inner chamber 111 is outer to realize the flushing to tableware, during specific design, can by the position of the first jet 113 of optimization design and
Angle, so that the washings ejected from the first jet 113 can drive spray arm main body to the reaction force of spray arm main body 11
11 central shafts for surrounding water inlet pipe 114 are horizontally rotated.Determine the setting of bevel gear 13, be mainly used in on spray arm accessory body 12
Dynamic bevel gear 123 is coordinated, and for driving dynamic bevel gear 123 to be rotated, the setting of snap ring 14 is mainly used in limitation fixed
Bevel gear 13 is installed on the moving displacement along the axial direction of water inlet pipe 114 on water inlet pipe 114.Specifically, bevel gear 13 and water inlet pipe are determined
Can produce relative rotation displacement between 114, and determine bevel gear 13 and be fastenedly connected on pipe member 2, and spray arm device 1 is installed on confession
After on pipe fitting 2, determine that bevel gear 13 is non-rotatable, spray arm main body 11 can be rotated around bevel gear 13 is determined.Determine bevel gear 13
Central axial central axial consistent with water inlet pipe 114, the central shaft of the central axial and water inlet pipe 114 of dynamic bevel gear 123
To being mutually perpendicular to, that is, the central axial of central axial and dynamic bevel gear 123 for determining bevel gear 13 is mutually perpendicular to.What the present invention was provided
Spray arm device 1, has the spray arm accessory body 12 of dynamic bevel gear 123 by setting up one end in spray arm main body 11, and by spray arm
Be arranged on the water inlet pipe 114 of main body 11 with dynamic bevel gear 123 coordinate determine bevel gear 13 so that can realize spray arm accessory body 12 spray
Rotatable installation in arm main body 11, i.e. spray arm accessory body 12 still can be around spray arm main bodys 11 in side vertically after being placed in spray arm main body 11
It is rotated upwards.Meanwhile, it on the outer wall of spray arm main body 11 by opening up intercommunicating pore 115, so as to can effectively realize
The connection of the first hollow cavity 111 and the second hollow cavity 121 on spray arm accessory body 12 in spray arm main body 11, so so that from entering
The washings that the mouth of a river 112 enters in the first hollow cavity 111, can flow in the second hollow cavity 121 from intercommunicating pore 115.
In specific washing process, after washings enter the first hollow cavity 111 of spray arm main body 11 from water inlet 112, a part is washed
Wash to be sprayed in the first jet 113 that water is directly connected from spray arm main body 11 with the first hollow cavity 111 and be rinsed tableware,
Spray arm accessory body 12 is flowed into the intercommunicating pore 115 that another part water is then connected from spray arm main body 11 with the first hollow cavity 111
Ejection is rinsed tableware in second hollow cavity 121, and in final the second jet 122 from spray arm accessory body 12.Additionally,
The washings sprayed from inside to outside from the first jet 113 have a reaction force to the effect of spray arm main body 11, and the reaction force can
Drive spray arm main body 11 carries out horizontal revolving motion around the central shaft of water inlet pipe 114.And because spray arm accessory body 12 is to be sheathed on spray
In arm main body 11, therefore, in the rotary course of spray arm main body 11, spray arm accessory body 12 is also horizontally rotated with spray arm main body 11
Motion;And due to dynamic bevel gear 123 and the engagement for determining bevel gear 13, therefore, carried out with spray arm main body 11 in spray arm accessory body 12
During horizontal rotation, dynamic bevel gear 123 will carry out vertical rotary motion under the active force for determining bevel gear 13, and mantle
The vertical rotary motion of gear 123 can drive the whole spray arm accessory body 12 to carry out vertical rotary motion, so as to may be such that spray arm accessory body
The 12 dual rotary motions for carrying out horizontal direction rotation and vertical direction rotation simultaneously.The vertical direction rotation fortune of spray arm accessory body 12
It is dynamic, the washing that liquidates up and down to tableware is capable of achieving, and can effectively expand the regional extent that washings are directly rinsed, it is therefore prevented that washing
The phenomenon at dead angle occurs, and then effectively increases the detersive efficiency and clean result of tableware, and and then beneficial to raising dish-washing machine
Detersive efficiency and clean result, beneficial to saving electric energy and water resource.Further, the dual rotation of spray arm accessory body 12 is caused from it
Washings jeting area has overlapping region with the washings jeting area of spray arm main body 11, enters so as to can reach localized region
Row strengthens the purpose washed, in concrete application, can degree of fouling is higher, relatively more difficult clean tableware be placed on the reinforcement of dish-washing machine
Wash in region, double rinse is carried out to wash region by the 12 pairs of reinforcements of spray arm main body 11 and spray arm accessory body, so as to ensure dirty journey
Degree is higher, relatively more difficult clean tableware can within a short period of time be rinsed totally, and then can not extend dish-washing machine wash time
On the premise of realize that, relatively difficult clean tableware higher to degree of fouling is cleaned, it is to avoid the waste of unnecessary water resource is simultaneously
Improve the electric energy saving effect of dish-washing machine.
Specifically, as depicted in figs. 1 and 2, spray arm main body 11 includes being located in the first of the two opposite sides of water inlet pipe 114 respectively
The hollow housing 117 of empty capsid 116 and second, several first jets 113 are located on the first hollow housing 116, intercommunicating pore 115
On the second hollow housing 117, spray arm accessory body 12 is sheathed on the second hollow housing 117.The present embodiment is by the first hollow shell
The hollow housing 117 of body 116 and second is respectively arranged on the both sides of water inlet pipe 114, beneficial to the first jet of optimization design 113 and can connect
The position of through hole 115, and the uniformity of the washings at the first jet 113 and intercommunicating pore 115 is flowed to beneficial to guarantee, while can
Prevent the installation of spray arm accessory body 12 from producing interference to the first jet 113.
Further, as shown in Figure 1, Figure 2, shown in Fig. 4 and Fig. 5, dynamic bevel gear 123 is along it axially also towards water inlet pipe 114
Direction extension is convexly equipped with connecting shaft 124, and connecting shaft 124 axially penetrates through the axis hole for being provided with and being connected with the second hollow cavity 121 along it
125, the gabarit radial dimension of the interior wide radial dimension more than the second hollow housing 117 of the second hollow cavity 121, axis hole 125
Interior wide radial dimension is equipped with the gabarit radial dimension of the second hollow housing 117, and intercommunicating pore 115 is located at the second hollow housing
The middle position of 117 axial directions, one end near water inlet pipe 114 of the second hollow housing 117 is provided with outer wall for smooth continuous table
The auxiliary section 1171 in face, the inwall of axis hole 125 coordinates with the wall contacts of auxiliary section 1171.The inwall of axis hole 125 and auxiliary section
1171 outer walls are engaged, and installation that can be to spray arm accessory body 12 in spray arm main body 11 plays sealing function, so that beneficial to anti-
Only outwards sprayed at the cooperation into the washings in the second hollow cavity 121 directly from spray arm accessory body 12 with spray arm main body 11.
The present embodiment, the gabarit radial ruler than the second hollow housing 117 is designed to by the interior wide radial dimension of the second hollow cavity 121
It is very little, on the one hand can reduce the contact area of the hollow housing 117 of spray arm accessory body 12 and second, so as to be erected beneficial to spray arm accessory body 12 is reduced
The frictional resistance being subject in straight rotary motion, and then beneficial to the smoothness of the vertical rotary motion of guarantee spray arm accessory body 12;The opposing party
Face can be beneficial to improve the smoothness that washings are flowed into the second hollow cavity 121 from intercommunicating pore 115;Another further aspect can reduce spray
The material cost of arm accessory body 12.Of course, it is close with auxiliary section 1171 in order to further improve axis hole 125 in concrete application
Sealing property, also can set up seal between axis hole 125 and auxiliary section 1171.
Specifically, as shown in Figure 1, Figure 2 with shown in Fig. 5, away from the one of dynamic bevel gear 123 in the second hollow cavity 121 and in it
End is convexly equipped with buckle 126, and one end away from water inlet pipe 114 of the second hollow housing 117 is convexly equipped with positioning convex 118, buckle 126
It is fastened and connected with positioning convex 118, so, beneficial to the solid and reliable property for ensureing the installation in spray arm main body 11 of spray arm accessory body 12.
Specifically, as shown in Figure 1, Figure 2 with shown in Fig. 5, positioning convex 118 is included along the second hollow housing 117 away from water inlet
The end of pipe 114 extends the axle portion 1181 of projection and is convexly equipped in the end of axle portion 1181 and radial dimension is more than the radial ruler of axle portion 1181
Very little convex cap portion 1182, convex cap portion 1182 has the buckling surface towards axle portion 1181, and buckle 126 is included along the second hollow cavity
121 inwalls extend the link rod part 1261 of projection and along link rod part 1261 towards in the second hollow cavity 121 towards dynamic bevel gear 123
The hook portion 1262 that bent spindle body is set, hook portion 1262 is fastened on buckling surface, so, can effectively be realized buckle 126 and be determined
The buckle 126 of position raised 118 is connected.The present embodiment, buckle 126 is provided with two, and two link rod parts of buckle 126 1261 are mutual
Extend in parallel, the two hook portion 1262 of buckle 126 bending extensions in opposite directions.During specific installation, can be by spray arm accessory body 12 from second
The end away from water inlet pipe 114 of hollow housing 117 promotes and is sheathed on the second hollow housing 117, when hook portion 1262 touches
During to convex cap portion 1182, hook portion 1262 can produce elasticity change in the presence of artificial thrust and the convex reaction force of cap portion 1182
Shape, so as to 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, so, that is, completes
The installation of spray arm accessory body 12.And when needing to disassemble spray arm accessory body 12 from spray arm main body 11, can be towards back to water inlet pipe
114 direction pulls spray arm accessory body 12, and hook portion 1262 can in the presence of the reaction force in artificial pulling force and convex cap portion 1182
Elastic deformation is produced, so as to hook portion 1262 can be made to depart from fasten and coordinate face and slip over convex cap portion 1182, so, that is, spray is completed
The dismounting of arm accessory body 12.
Preferably, as shown in Fig. 2 convex 1182 one-tenth of cap portion is hemispherical, so, on the one hand can be faster beneficial to hook portion 1262
Slip over convex cap portion 1182 so that beneficial to the efficiency for improving the dismounting of buckle 126 and 118 buckle of positioning convex 126;On the other hand it is sharp
In the aesthetic property for improving positioning convex 118.
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 pores
115 are circumferentially uniformly distributed along the outer wall of the second hollow housing 117, so, can make enter the second hollow housing 117 in water can be fast
Speed enters in the second hollow cavity 121 of spray arm accessory body 12.It is to be appreciated that constant in the size of single intercommunicating pore 115
Under the premise of, the setting quantity of intercommunicating pore 115 is more, and the rigidity and intensity of the second hollow housing 117 also can be with declines;Due to
Two hollow housings 117 are additionally operable to support spray arm accessory body 12, therefore, during specific design, the quantity of intercommunicating pore 115 not can be set too yet
It is many, to ensure that the second hollow housing 117 has enough rigidity and intensity, so as to ensure that the second hollow housing 117 supports spray arm
The solid and reliable property of accessory body 12.
Specifically, as shown in figures 1 to 6, determining bevel gear 13 can be placed on outside water inlet pipe 114 along central shaft to through being provided with
Mounting hole 131, several interval settings are convexly equipped with the inwall of mounting hole 131 for matching somebody with somebody with the wall contacts of water inlet pipe 114
The cooperation boss 132 of conjunction.Coordinate boss 132 concretely rectangular blocks or semi-cylindrical block etc..The present embodiment, determines bevel gear
After 13 are installed on water inlet pipe 114, mainly realized to determining cone with being engaged for the outer wall of water inlet pipe 114 by coordinating boss 132
Gear 13, water inlet pipe 114 radial direction it is spacing, i.e. the inwall of mounting hole 131 will not fit the outer wall of contact water inlet pipe 114, and only
It is the outer wall for coordinating boss 132 towards the surface laminating contact water inlet pipe 114 of water inlet pipe 114, so, is ensureing water inlet pipe 114
Radially on the premise of spacing reliability, the contact for determining bevel gear 13 and the outer wall of water inlet pipe 114 can be effectively reduced, so as to be beneficial to subtract
The frictional resistance that small spray arm main body 11 is subject to during horizontally rotating, and then beneficial to the smooth of the horizontal rotation of guarantee spray arm main body 11
Property.
Further, as shown in Fig. 1, Fig. 6 and Fig. 8, the top back to spray arm main body 11 for determining bevel gear 13 is also convexly equipped with
More than the annular flange 133 of the internal diameter of mounting hole 131, at least two are convexly equipped with the inwall of annular flange 133 is used for and confession internal diameter
First positioning boss 134 of the rotary fastening of the first locating groove 221 connection on pipe fitting 2.The setting of the first positioning boss 134,
It is mainly used in realizing determining being fastenedly connected for bevel gear 13 and pipe member 2;And the first positioning boss 134 is located at and is convexly equipped in spray arm master
In the annular flange 133 at the top of body 11, can avoid determining to be produced when bevel gear 13 is connected in pipe member 2 and spray arm main body 11 doing
Relate to phenomenon.
Specifically, as shown in Figure 1 and Figure 7, snap ring 14 includes inserting in water inlet pipe 114 for being fastenedly connected water inlet pipe
114 connecting portion 141 and to be convexly equipped in water inlet pipe 114 outer convex for will determine the screens that bevel gear 13 is clamped on water inlet pipe 114
Edge 142.During specific installation, can will first determine bevel gear 13 and be placed on water inlet pipe 114, then snap ring 14 is installed on water inlet pipe 114
On, now the connecting portion 141 of snap ring 14 can be fastenedly connected with water inlet pipe 114, and screens flange part 142 can be pressed on to be determined bevel gear 13 and pacify
Fill on the edge in hole 131, so as to the vertically movable displacement for determining bevel gear 13 on water inlet pipe 114 can be limited effectively.
More specifically, as shown in Figure 1 and Figure 7, the second positioning boss 1411 is convexly equipped with the outer wall of connecting portion 141, intake
The inwall of pipe 114 is provided with and screws in the second locating groove 1141 of positioning and for preventing second to determine for the second positioning boss 1411
The second spacing preiection 1142 that position boss 1411 is slipped from the second locating groove 1141.Specifically, on the inwall of water inlet pipe 114
The second axial limiting boss 223 and the second circumferential positive stop lug boss 1144 are convexly equipped with, the second circumferential positive stop lug boss 1144 is along the second axle
Extend straight down towards the first hollow cavity 111 to one end of positive stop lug boss 223, and the second circumferential positive stop lug boss 1144 and the
Two circumferential positive stop lug boss 1144 can connect to form a L-type component, and the second locating groove 1141 is formed at the inner side of the L-type component,
Second spacing preiection 1142 is convexly equipped in the second locating groove 1141.Second positioning boss 1411 is combined on the second locating groove
After in 1141, the second axial limiting boss 223 can limit snap ring 14 and move axially upwards displacement towards the outer movement of water inlet 112,
Screens flange part 142 can limit snap ring 14 towards the displacement that moves axially downwards moved in water inlet 112, the second circumferential positive stop lug boss
1144 can limit snap ring 14 rotates the circumferential along rotation displacement of installation direction rotation in water inlet pipe 114 towards it, and second is spacing
Raised 1142 can limit snap ring 14 in water inlet pipe 114 towards the circumferential de-rotation displacement that installation direction rotation is rotated back to it, enter
The inwall of water pipe 114 can limit the displacement that moves radially of snap ring 14, so, circumferential by the second axial limiting boss 223, second
The common position-limiting action of positive stop lug boss 1144, the second spacing preiection 1142, screens flange part 142 and the inwall of axis hole 125, you can have
Effect ensures 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, the second locating groove 1141 and the second spacing preiection 1142 at least provided with
Two, so, beneficial to the stationarity that guarantee 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 is included with discharge outlet 21
Pipe member 2 and above-mentioned spray arm device 1, spray arm device 1 is connected on pipe member 2 by determining bevel gear 13, and draining
Mouth 21 is connected with water inlet 112.Specifically, dish-washing machine also includes the inner bag (not shown) with washing inner chamber, covers in outside inner bag
Shell (not shown), the base located at inner bag bottom, located at washing inner chamber in bowl basket, spray arm device 1 located at washing inner chamber
It is interior.Dish-washing machine provided in an embodiment of the present invention, as a result of above-mentioned spray arm device 1, therefore, can be by the double of spray arm accessory body 12
Rotary motion again, realizes the washing that liquidates up and down to tableware, and expands the regional extent that washings are directly rinsed, so that effectively
The clean efficiency and clean effect of dish-washing machine are improve, the electric energy of dish-washing machine is effectively saved and is avoided unnecessary water resource
Waste, improve the combination property and the market competitiveness of dish-washing machine.
Specifically, spray arm device, middle spray arm device and lower spraying arm device, upper spray arm device, middle spray are provided with dish-washing machine
Arm assembly and lower spraying arm device are respectively arranged in top, middle part and the bottom of inner bag, the present embodiment, above-mentioned spraying arm of dish washer dress
Put 1 and be specially spray arm device in dish-washing machine.In concrete application, upper spray arm device, middle spray arm device and lower spraying arm device can be adopted
With above-mentioned spray arm device 1;Also only the one or two kinds of in upper spray arm device, middle spray arm device and lower spraying arm device can be set
It is above-mentioned spray arm device 1, can be according to optimization designs such as real needs and manufacturing costs during specific design.When upper spray arm device,
When middle spray arm device and lower spraying arm device use above-mentioned spray arm device 1, intake in the different simply spray arm main body 11 of three
Mouth 112 is different with the direction of the first jet 113.
Specifically, as shown in Fig. 1, Fig. 6 and Fig. 8, the first positioning boss 134 is convexly equipped with the inwall for determining bevel gear 13, is supplied
Pipe fitting 2 is convexly equipped with drainpipe 22 at discharge outlet 21, and the outer wall of drainpipe 22 is provided with and screw in fixed for the first positioning boss 134
First locating groove 221 of position and for preventing the first positioning boss 134 from being slipped from the first locating groove 221 first spacing
Raised 222.Specifically, first axle is convexly equipped with the outer wall of drainpipe 22 to positive stop lug boss and the first circumferential positive stop lug boss 224, the
One circumferential positive stop lug boss 224 extends vertically along one end court of the first axial positive stop lug boss back to the direction of water inlet pipe 114, and second
The circumferential positive stop lug boss 1144 of circumferential positive stop lug boss 1144 and second can be connected to form a L-type component, and the first locating groove 221 is formed
In the inner side of the L-type component, the first spacing preiection 222 is convexly equipped in the first locating groove 221.First positioning boss 134 is screwed
After in the first locating groove 221, the first axial positive stop lug boss can be limited determines bevel gear 13 towards the direction shifting away from pipe member 2
Dynamic moves axially downwards displacement, and the first circumferential positive stop lug boss 224 can limit the first positioning boss 134 and is installed on towards its rotation
It is circumferential along rotation displacement that direction in first locating groove 221 rotates, and the first spacing preiection 222 can limit the first positioning boss
The 134 circumferential de-rotation displacements rotated towards the direction being installed in the first locating groove 221 back to its rotation, outside drainpipe 22
Wall can limit the displacement that moves radially for determining bevel gear 13, so, by the first axial positive stop lug boss, the first circumferential positive stop lug boss
224th, the common position-limiting action of the first spacing preiection 222 and the outer wall of drainpipe 22, you can the first positioning boss 134 is effectively ensured and exists
The solid and reliable property installed in first locating groove 221.
Preferably, the first positioning boss 134, the first locating groove 221 and the first spacing preiection 222 are at least provided with two
It is individual, so, beneficial to the stationarity that guarantee snap ring 14 is installed on water inlet pipe 114.The present embodiment, the first positioning boss 134, first
The spacing preiection 222 of locating groove 221 and first is equipped with four.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Any modification, equivalent or improvement made within god and principle etc., should be included within the scope of the present invention.