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 dish-washing machine, which solve existing employing and extend dish-washing machine wash time to ensure in dish-washing machine that each tableware is cleaned effect and caused that water resource waste, electric energy increase, detersive efficiency is poor, the technical problem of clean weak effect.
For achieving the above object, the technical solution used in the present invention is: spray arm device, comprise spray arm seat, be rotationally connected with the spray arm main body on described spray arm seat, at least one is sheathed on water in described spray arm main body to adjustment means and the guiding parts be located between described spray arm seat and described spray arm main body, described spray arm main body is provided with several for washings from outwards spraying in it and these washings spray orifice that described spray arm main ring can be driven to rotate around described spray arm seat, described water comprises to adjustment means and to be rotatably assorted with described guiding parts and the rotatable parts that this water can be driven to rotate around described spray arm main body to adjustment means to be connected on described rotatable parts with at least one and can to change the catch of the washings injection direction sprayed in described spray orifice.
Preferably, described spray arm main body comprises water inlet pipe, at least one main support arm and quantity and described water to the identical secondary support arm of adjustment means quantity, each described main support arm and described secondary support arm are all provided with described spray orifice, each described main support arm and described secondary support arm are along the circumferential direction spaced apart in the outside of described water inlet pipe, and each described water is rotatably sheathed on each described secondary support arm respectively to adjustment means.
Preferably, the end away from described water inlet pipe of described secondary support arm is provided with retaining structure, and described water is located between described water inlet pipe and described retaining structure to adjustment means.
Preferably, described retaining structure is be convexly equipped in the shell fragment on described secondary support arm, and described water is provided with the mounting groove slipping over described shell fragment for it to adjustment means.
Preferably, described water also comprises end support ring to adjustment means, described end support ring and described rotatable parts are located at the two ends of described water to adjustment means respectively, described catch is connected between described support ring and described rotatable parts, and described water is supported on the outer wall of described secondary spray arm to adjustment means by described end support ring and described rotatable parts.
Preferably, described water also comprises at least one to adjustment means and is located at intermediate supports ring between described end support ring and described rotatable parts, and described water is supported on the outer wall of described secondary spray arm to adjustment means by described end support ring, described intermediate supports ring and described rotatable parts.
Preferably, described catch has towards the V-arrangement inside portion of described spray arm body outer wall.
Preferably, described guiding parts is be installed on described spray arm seat determines bevel gear, and described rotatable parts are and the described dynamic bevel gear determined bevel gear and coordinate.
Preferably, described catch is provided with at least two, each described catch along the circumferential direction spacer ring around distribution and the inner side of each described catch encloses formation one hollow endoporus.
Spray arm device provided by the invention, by setting up water to adjustment means and guiding parts in spray arm main body, and by guiding parts and water coordinating to rotatable parts in adjustment means, realize water to the rotatable installation of adjustment means in spray arm main body, thus make water not only to adjustment means can carry out horizontal revolving motion with spray arm main ring around spray arm seat but also vertical rotary motion can be carried out around spray arm main body separately, namely achieve the dual rotate effect of water to adjustment means; Simultaneously, it carries out keeping out to the catch in adjustment means by water and changes the injection direction of the washings ejected in spray orifice, like this, in concrete washing process, make catch constantly change the injection direction of the washings ejected in spray orifice by water to the rotation of adjustment means, thus greatly expand the washings jeting area of spray arm device, prevent the appearance at washing dead angle, effectively improve detersive efficiency and the clean result of tableware, and be beneficial to saving electric energy and water resource.
Further, present invention also offers dish-washing machine, it comprises above-mentioned spray arm device.
Dish-washing machine provided by the invention, owing to have employed above-mentioned spray arm device, therefore, constantly regulate the injection direction of the washings ejected in spray orifice to the catch of adjustment means by water, thus greatly expand the washings jeting area of spray arm device, effectively improve the clean efficiency of dish-washing machine and clean effect, and be beneficial to the electric energy having saved dish-washing machine and the waste avoiding unnecessary water resource, improve combination property and the market competitiveness of dish-washing machine.
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.
It should be noted that, when element is called as on " being fixed on " or " being arranged at " another element, it can directly on another element or may there is centering elements simultaneously.When an element is known as " connection " another element, it can be directly connect another element or may there is centering elements simultaneously.
Also it should be noted that, the orientation term such as left and right, upper and lower, the top in the present embodiment, end, is only relative concept or be reference with the normal operating condition of product each other, and should not be regarded as have restrictive.
As shown in Fig. 1 ~ 7, the spray arm device that the embodiment of the present invention provides, comprise spray arm seat 1, be rotationally connected with the spray arm main body 2 on spray arm seat 1, at least one is sheathed on water in spray arm main body 2 to adjustment means 3 and the guiding parts 4 be located between spray arm seat 1 and spray arm main body 2, spray arm main body 2 is provided with several for washings from outwards spraying in it and these washings spray orifice 201 that spray arm main body 2 can be driven to horizontally rotate around spray arm seat 1, water comprises to adjustment means 3 and to be rotatably assorted with guiding parts 4 and the rotatable parts 31 that this water can be driven vertically to rotate around spray arm main body 2 to adjustment means 3 to be connected on rotatable parts 31 with at least one and can to change the catch 32 of the washings injection direction sprayed in spray orifice 201.The setting of spray orifice 201 in spray arm main body 2, be mainly used in for washings ejection spray arm main body 2 outer with the flushing realized tableware, during specific design, by position and the angle of each spray orifice 201 of optimal design, spray arm main body 2 can be driven to make the washings ejected in each spray orifice 201 to horizontally rotate around spray arm seat 1 reaction force of spray arm main body 2.The spray arm device that the embodiment of the present invention provides, by setting up water to adjustment means 3 and guiding parts 4 in spray arm main body 2, and by guiding parts 4 and water coordinating to rotatable parts 31 in adjustment means 3, achieve water to the rotatable installation of adjustment means 3 in spray arm main body 2, thus make water not only to adjustment means 3 can carry out horizontal revolving motion with spray arm main body 2 around spray arm seat 1 but also vertical rotary motion can be carried out around spray arm main body 2 separately, namely achieve the dual rotate effect of water to adjustment means 3; Simultaneously, in concrete washing process, it carries out keeping out to the catch 32 in adjustment means 3 by water and changes the injection direction of the washings ejected in spray orifice 201, like this, catch 32 is made constantly to change the injection direction of the washings ejected in spray orifice 201 by water to the rotation of adjustment means 3, thus greatly expand the washings jeting area of spray arm device, prevent the appearance at washing dead angle, effectively improve detersive efficiency and the clean result of tableware, and be beneficial to saving electric energy and water resource.
Preferably, as also shown in e.g. figs. 4-7, catch 32 has the V-arrangement inside portion 321 towards spray arm main body 2 outer wall, and namely the inside portion towards spray arm main body 2 outer wall of catch 32 is V-shaped.Particularly, the V-arrangement inside portion 321 towards spray arm main body 2 outer wall of catch 32 has two and crosses and be connected to form the inclined-plane 3211 of certain angle, catch 32 carries out keeping out mainly through these two inclined-planes 3211 and launches washings to reach the object changing washings injection directions, in concrete washing process, due to catch 32 along with rotatable parts 31 carry out vertically rotating around spray arm main body 2, therefore, the incidence angle washings of ejection in spray orifice 201 being ejected into catch 32 is formed with inclined-plane 3211 is in continuous change, and have the situation (position that namely catch 32 turns to completely and spray orifice 201 staggers) that catch 32 does not keep out washings injection direction completely, thus make finally to launch the direction of ejection of washings also in continuous change by catch 32, like this, what be beneficial to expansion catch 32 pairs of washings launches scope, and be beneficial to and prevent the washings be ejected in spray orifice 201 catch 32 from directly being launched back in spray orifice 201, ensure that catch 32 regulates the reliability of washings injection direction.
Particularly, the V-arrangement angle that two inclined-planes 3211 are connected to form can be acute angle or right angle or obtuse angle, in the present embodiment, the angle that two inclined-planes 3211 are connected to form is preferably acute angle or right angle, like this, what be beneficial to expansion catch 32 pairs of washings launches scope, thus is beneficial to the washings jeting area expanding spray arm device, is beneficial to the appearance preventing from washing dead angle.
Preferably, as shown in Figures 1 to 3, spray arm main body 2 comprises water inlet pipe 21, at least one main support arm 22 and quantity and water to the identical secondary support arm 23 of adjustment means 3 quantity, each main support arm 22 and secondary support arm 23 are all provided with spray orifice 201, each main support arm 22 and secondary support arm 23 are along the circumferential direction spaced apart in the outside of water inlet pipe 21, and each water is rotatably sheathed on each secondary support arm 23 respectively to adjustment means 3.Water inlet pipe 21 is provided with the water inlet 202 entering spray arm main body 2 for washings in spray arm seat 1, main support arm 22 is provided with the first hollow cavity 203 being communicated with water inlet 202 and its upper spray orifice 201, and secondary support arm 23 is provided with and is communicated with water inlet 202 and the second hollow cavity 204 of spray orifice 201 on it.In the present embodiment, main support arm 22 and secondary support arm 23 are all only provided with one, and main support arm 22, water inlet pipe 21 and the linearly setting of secondary support arm 23, of course, in embody rule, the quantity of main support arm 22 and secondary support arm 23 also can be set to two or more, and each main support arm 22 and secondary support arm 23 are along the circumferential direction spaced apart in the outside of water inlet pipe 21, and namely each main support arm 22 and secondary support arm 23 radially distribute in the outside of water inlet pipe 21.
Preferably, catch 32 is provided with at least two, each catch 32 along the circumferential direction spacer ring around distribution and the inner side of each catch 32 encloses formation one hollow endoporus 303, like this, be beneficial on the one hand and improve water regulates frequency from washings injection direction to adjustment means 3, be beneficial on the other hand and improve the structural strength of water to adjustment means 3.Hollow endoporus 303 internal diameter that the inner side of each catch 32 encloses formation is greater than the external diameter of secondary support arm 23, like this, be beneficial to anti-sealing when vertically rotating to adjustment means 3 around secondary support arm 23 central shaft, produce phase mutual friction between catch 32 with secondary support arm 23, thus ensure that the smoothness that water vertically rotates around secondary support arm 23 central shaft to adjustment means 3.In the present embodiment, catch 32 is preferably provided with four, and four catch 32 along the circumferential direction spacer ring around the periphery being distributed in secondary support arm 23.Of course, in embody rule, the quantity of catch 32 also can be set to other numerical value, as three or five etc.
Preferably, as shown in Figures 1 to 3, the end away from water inlet pipe 21 of secondary support arm 23 is provided with retaining structure 231, and water to be placed on secondary support arm 23 to adjustment means 3 and to be stuck between water inlet pipe 21 and retaining structure 231.The setting of retaining structure 231, can be installed on towards the direction away from water inlet pipe 21 from slippage secondary support arm 23 after on secondary support arm 23 to adjustment means 3 by anti-sealing, thus effectively ensure that the solid and reliable property that water is installed to adjustment means 3 on secondary support arm 23.
Preferably, as shown in Figures 1 to 3, retaining structure 231 is for being convexly equipped in the shell fragment on secondary support arm 23 outer wall, and water axially runs through along it mounting groove 301 being provided with and slipping over shell fragment for it to adjustment means 3.The form that shell fragment specifically increases along the outer wall of secondary support arm 23 gradually with the distance of relatively secondary support arm 23 outer wall rolls tiltedly extension towards water inlet pipe 21 place, and the recessed degree of depth of mounting groove 301 is less than the maximum radial distance of shell fragment and secondary support arm 23 outer wall, like this, both be beneficial to water and on secondary support arm 23, be inserted in installation to adjustment means 3, be beneficial to again the solid and reliable property ensureing that water is installed to adjustment means 3 on secondary support arm 23.During concrete installation, first mounting groove 301 is aimed at shell fragment, then promoting water towards water inlet pipe 21 is located on secondary support arm 23 to make water to adjustment means 3 slip cap to adjustment means 3, under the effect of artificial thrust, the inwall extrusion elastic of mounting groove 301 is out of shape and is made to bend towards the outer wall of secondary support arm 23, thus make mounting groove 301 can slide past shell fragment, after water slips over shell fragment completely to adjustment means 3, shell fragment can resile under the effect of natural resiliency restoring force, thus can reach the object of water to adjustment means 3 axial limiting.Shell fragment can be one-body molded with secondary support arm 23, or shell fragment is also fixed on secondary support arm 23 by modes such as welding, rivet, be threaded.Of course, in embody rule, retaining structure 231 also can be other and is additionally loaded on structure on secondary support arm 23, as latch, screw etc.
Preferably, shell fragment and mounting groove 301 are provided with at least two, like this, are beneficial to the solid and reliable property that ensure that water is installed on secondary support arm 23 to adjustment means 3.Of course, in embody rule, shell fragment and mounting groove 301 also can only be provided with one.
Preferably, as shown in Figures 1 to 3, water also comprises end support ring 33 to adjustment means 3, end support ring 33 and rotatable parts 31 are located at the two ends of water to adjustment means 3 respectively, catch 32 is connected between support ring and rotatable parts 31, and water is supported on the outer wall of secondary spray arm to adjustment means 3 by end support ring 33 and rotatable parts 31.The setting of end support ring 33, is beneficial on the one hand and improves water further to the structural strength of adjustment means 3, prevent the distortion easily of catch 32; Be beneficial on the other hand and improve water and be supported in solid and reliable property on secondary spray arm to adjustment means 3.
Preferably, as shown in Figures 1 to 3, water also comprises at least one to adjustment means 3 and is located at intermediate supports ring 34 between end support ring 33 and rotatable parts 31, water is supported on the outer wall of secondary spray arm to adjustment means 3 by end support ring 33, intermediate supports ring 34 and rotatable parts 31, two ends connection of rotating parts 31 and the end support ring 33 respectively of catch 32, the mid portion between two ends of catch 32 is connected with intermediate supports ring 34.The setting of intermediate supports ring 34, is beneficial to and improves further water to the structural strength of adjustment means 3 with improve water and to be supported in solid and reliable property on secondary spray arm to adjustment means 3.In the present embodiment, intermediate supports ring 34 is provided with one, and catch 32 has the first branch be connected between end support ring 33 and intermediate supports ring 34 and the second branch be connected between intermediate supports ring 34 and rotatable parts 31; Of course, in embody rule, the quantity of intermediate supports ring 34 also can be set to two or more, and the quantity of intermediate supports ring 34 can be optimized design according to the length of catch 32.
Particularly, as shown in Figures 1 to 3, mounting groove 301 runs through vertically to be located on rotatable parts 31, intermediate supports ring 34 and end support ring 33, namely mounting groove 301 runs through water axially to arrange to the whole of adjustment means 3, like this, be beneficial to guarantee water to be located at secondary support arm 23 from the end slip cap away from water inlet pipe 21 of secondary support arm 23 to adjustment means 3.The cental axial position of rotatable parts 31, intermediate supports ring 34 and end support ring 33 all runs through the axis hole 302 being provided with and being equipped with secondary support arm 23, mounting groove 301 is recessed on the inwall of axis hole 302, water is installed on after on secondary support arm 23 to adjustment means 3, the inwall of endoporus is connected on the outer wall of secondary support arm 23, like this, the supporting role of secondary support arm 23 pairs of water to adjustment means 3 can be realized.
Preferably, as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 8 and Fig. 9, guiding parts 4 for being installed on spray arm seat 1 determines bevel gear, and rotatable parts 31 are and the dynamic bevel gear determined bevel gear and coordinate.Determining bevel gear is fastenedly connected on spray arm seat 1, and spray arm device is installed on after on spray arm seat 1, determine bevel gear to rotate around spray arm seat 1, determine can produce relative rotation between bevel gear and water inlet pipe 21 displacement, namely spray arm main body 2 can be rotated around the central shaft determining bevel gear.The central shaft determining bevel gear to the central shaft of water inlet pipe 21 to consistent, the central shaft of dynamic bevel gear to the central shaft of water inlet pipe 21 to mutually vertical, the central shaft namely determining bevel gear to the central shaft of dynamic bevel gear to mutual vertical.The present embodiment, bevel gear is determined by installing on spray arm seat 1, and arrange and the dynamic bevel gear determined bevel gear and coordinate in the end of each water to adjustment means 3, thus water can be realized to the rotatable installation of adjustment means 3 on secondary support arm 23, namely water is placed on after on secondary support arm 23 to adjustment means 3 and still can be rotated around secondary support arm 23 in the vertical direction.In concrete washing process, the central shaft that spray arm main body 2 can move into water pipe 21 under the reaction force acts of washings horizontally rotates, now, determine bevel gear not rotate with spray arm main body 2, water horizontally rotates to adjustment means 3 with spray arm main body 2, dynamic bevel gear and the engagement of determining bevel gear, dynamic bevel gear will be driven to carry out vertical rotary motion, and the vertical rotary motion of dynamic bevel gear can drive whole water to carry out vertical rotary motion to adjustment means 3, thus water can be made to carry out to adjustment means 3 the dual rotary motion that horizontal direction rotates and vertical direction rotates simultaneously.The present embodiment, that cooperation by determining bevel gear and dynamic bevel gear realizes water and automatically rotates around secondary support arm 23 in washing process to adjustment means 3, determine the stable drive of bevel gear and dynamic bevel gear and there is self-locking action, therefore, be beneficial to steady, the reliability that ensure that water rotates to adjustment means 3 around secondary support arm 23; Of course, in embody rule, also carry out driving water by other structures and vertically rotate around secondary support arm 23 to adjustment means 3.
Particularly, determining bevel gear can be one-body molded with spray arm seat 1; Or, determine bevel gear and also can arrange with spray arm seat 1 split and determine that bevel gear is follow-up to be connected by buckle or to rivet or the mode such as to be threaded is installed on spray arm seat 1.Dynamic bevel gear can be one-body molded with catch 32, end support ring 33, intermediate supports ring 34; Or, dynamic bevel gear also can with catch 32, end support ring 33, intermediate supports ring 34 split setting and dynamic bevel gear is follow-up is undertaken being connected catch 32 by welding manner.
Particularly, as shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 8 and Fig. 9, water inlet pipe 21 is connected on spray arm seat 1 by determining bevel gear, determine bevel gear to be provided with along its central shaft can to insert for water inlet pipe 21 installing hole 41 installed to running through, the inwall of installing hole 41 is convexly equipped with several intervals and arranges for the cooperation boss 42 coordinated with water inlet pipe 21 wall contacts.Boss 42 is coordinated specifically to can be rectangular blocks or semi-cylindrical block etc.The present embodiment, boss 42 is coordinated to coordinate the radial direction that can realize water inlet pipe 21 spacing with the contact of water inlet pipe 21 outer wall, namely the inwall of installing hole 41 can not be fitted and be contacted the outer wall of water inlet pipe 21, and just coordinate boss 42 towards the outer wall of the surface laminating contact water inlet pipe 21 of water inlet pipe 21, like this, under the prerequisite ensureing the reliability that water inlet pipe 21 is radial spacing, the contact area of determining bevel gear and water inlet pipe 21 outer wall can be effectively reduced, thus be beneficial to and reduce spray arm main body 2 and horizontally rotate the frictional resistance be subject in process, and then be beneficial to the smoothness ensureing that spray arm main body 2 horizontally rotates.
Preferably, determine bevel gear and be installed on spray arm seat 1 by rotary fastening mode, like this, be beneficial to the dismounting determining bevel gear, thus be beneficial to the repair and maintenance in the future of product.
Particularly, as shown in Fig. 2, Fig. 3, Fig. 9 and Figure 10, spray arm seat 1 is convexly equipped with tube connector 11, the bottom back to spray arm main body 2 of determining bevel gear is also convexly equipped with the annular flange flange 43 that internal diameter is greater than installing hole 41 internal diameter, the inwall of annular flange flange 43 is convexly equipped with at least two positioning boss 44 for being connected with tube connector 11 rotary fastening.The outer wall of tube connector 11 is provided with for the locating groove 12 of positioning boss 44 screw-in location with for preventing positioning boss 44 from the spacing preiection 13 of slippage in locating groove 12.The setting of positioning boss 44, locating groove 12 and spacing preiection 13, effectively can realize determining being fastenedly connected of bevel gear and spray arm seat 1, like this, in spray arm main body 2 in tube connector 11 central shaft rotary course, determining bevel gear can not rotate along with spray arm main body 2.And positioning boss 44 be located at be convexly equipped in the bottom back to spray arm main body 2 of determining bevel gear annular flange flange 43 on, can avoid determining bevel gear and be connected on spray arm seat 1 interference is produced to the installation of water inlet pipe 21.
Particularly, as shown in Fig. 2, Fig. 3, Fig. 9 and Figure 10, the outer wall of tube connector 11 is convexly equipped with axial limiting boss 14 and circumferential positive stop lug boss 15, one end of circumference positive stop lug boss 15 positive stop lug boss 14 vertically vertically extends towards back to the direction of water inlet pipe 21, and circumferential positive stop lug boss 15 and circumferential positive stop lug boss 15 can be connected to form a L-type component, locating groove 12 is formed at the inner side of this L-type component, and spacing preiection 13 is convexly equipped in locating groove 12.Positioning boss 44 is combined on after in locating groove 12, axial limiting boss 14 can limit determines bevel gear towards the displacement that moves up away from the axis of the direction movement of spray arm seat 1, circumference positive stop lug boss 15 can limit positioning boss 44 and rotate towards it and be installed on circumference that the direction in locating groove 12 rotates along rotation displacement, spacing preiection 13 can limit positioning boss 44 towards the circumferential de-rotation displacement rotated back to its rotation direction be installed in locating groove 12, the outer wall of tube connector 11 can limit determine bevel gear move radially displacement, like this, by axial limiting boss 14, circumference positive stop lug boss 15, the common position-limiting action of spacing preiection 13 and tube connector 11 outer wall, effectively can ensure the solid and reliable property that positioning boss 44 is installed in locating groove 12.
Further, the embodiment of the present invention additionally provides dish-washing machine, and it comprises above-mentioned spray arm device.The dish-washing machine that the embodiment of the present invention provides, owing to have employed above-mentioned spray arm device, therefore, constantly regulate the injection direction of the washings ejected in spray orifice 201 to the catch 32 of adjustment means 3 by water, thus greatly expand the washings jeting area of spray arm device, effectively improve the clean efficiency of dish-washing machine and clean effect, and be beneficial to the electric energy having saved 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, the present embodiment, above-mentioned spray arm device is specially the lower spraying arm device of dish-washing machine, it achieves expansion to washings jeting area by water to the regulating action of adjustment means 3 pairs of washings injection directions, improves detersive efficiency and the clean result of tableware.In embody rule, upper spray arm device and middle spray arm device also can adopt above-mentioned spray arm device; Or also only any one in upper spray arm device, middle spray arm device and lower spraying arm device or two can be set to above-mentioned spray arm device, 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, in the just spray arm main body 2 that three is different water inlet 202 and spray orifice 201 in dish-washing machine towards difference.
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.