CN216135832U - Spray arm and cleaning equipment with same - Google Patents

Abstract

The utility model relates to a spray arm and a cleaning device with the same, wherein the spray arm comprises: a carrying arm; the washing arm is rotatably arranged on the bearing arm; wherein each washing arm comprises more than two support arms. Through the mode, the cleaning device has the advantages of high cleaning efficiency and good cleaning effect.

Description

Spray arm and cleaning equipment with same

[ technical field ] A method for producing a semiconductor device

The utility model relates to the technical field of kitchen equipment, in particular to a spray arm and cleaning equipment with the same.

[ background of the utility model ]

The dish washing machine is an automatic device for automatically cleaning tableware such as bowls, chopsticks, plates and dishes, and is used by more and more families along with the improvement of the living standard of people, so that the labor intensity of a user can be reduced, the working efficiency is improved, the cleanness and the sanitation are improved, and the comfortable life experience of the user is met.

The spraying device is a core component of the dish washing machine, affects the cleaning efficiency and the cleaning effect of washing tableware by water flow, and is a spraying arm arranged inside the dish washing machine. However, the spray arm in the market has low cleaning efficiency and poor cleaning effect, and there is a need to improve the prior art to overcome the defects in the prior art.

[ Utility model ] content

The utility model aims to provide a spray arm and cleaning equipment with the same, and the spray arm and the cleaning equipment have the advantages of high cleaning efficiency and good cleaning effect.

The purpose of the utility model is realized by the following technical scheme:

a spray arm, comprising: a carrying arm; the washing arm is rotatably arranged on the bearing arm; wherein each washing arm comprises more than two support arms.

In one embodiment, the support arm is provided with a plurality of spray holes for cleaning and a first driving hole for spraying water to drive the support arm to rotate.

In one embodiment, the arm has a first end and a second end in the longitudinal direction, and the nozzles on the arm are staggered in the direction from the first end to the second end, so that the connecting line between the nozzles is a broken line.

In one embodiment, at least one of the washing arms rotates in a direction opposite to the rotation direction of the carrying arm.

In one embodiment, the carrying arm includes extension arms, wherein the number of the extension arms is less than or equal to 3, and the length of the support arm is less than or equal to the length of the extension arm.

In one embodiment, the support arm and the extension arm are both straight strips, and the length ratio range between the support arm and the extension arm is as follows: 0.5 to 1.

In one embodiment, the extension arm is provided with a second driving hole for spraying water flow to drive the bearing arm to rotate; wherein, the second driving hole is arranged on the side wall of the extension arm.

In one embodiment, the carrier arm has an axis of rotation about which the carrier arm rotates; wherein one end of the extension arms meet at the rotation axis, the extension arms being arranged at equal intervals around the rotation axis.

In one embodiment, the bearing arm is provided with a water inlet and a plurality of water outlets, the water inlet is arranged at the rotation axis, and the water outlets are arranged close to the other end of the extension arm; wherein, the washing arm is rotatably arranged at the water outlet interface.

In order to solve the above technical problem, another solution proposed by the present invention is:

a cleaning device comprising a spray arm as hereinbefore described.

Compared with the prior art, the utility model has the following beneficial effects:

according to the spray arm and the cleaning equipment with the spray arm, the washing arm is rotatably arranged on the bearing arm, so that the spray density of a washing water column can be effectively increased, and the spray arm and the cleaning equipment with the spray arm have the advantages of high cleaning efficiency and good cleaning effect.

[ description of the drawings ]

Fig. 1 is a perspective view of a spray arm provided by the present invention in a top view.

Fig. 2 is a perspective view of the spray arm provided by the present invention in a bottom view.

Fig. 3 is a perspective view of the carrier arm of fig. 1.

Fig. 4 is a perspective view of the washing arm of fig. 1 in a top view.

Fig. 5 is a perspective view of the washing arm in fig. 1 in a bottom view.

Fig. 6 is a schematic cross-sectional structure of fig. 1.

Fig. 7 is an enlarged schematic view of region a in fig. 6.

[ detailed description ] embodiments

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The terms "comprising" and "having," as well as any variations thereof, in the present invention are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the utility model. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

Referring to fig. 1 and 2, the present invention provides a spray arm 100, wherein the spray arm 100 includes: a carrier arm 110; and at least one washing arm 120 rotatably disposed on the carrying arm 110; wherein each washing arm 120 includes more than two support arms 121. Through the mode, the washing arm 120 is rotatably arranged on the bearing arm 110, so that the jet density of the washing water column is effectively increased, and the washing device has the advantages of high washing efficiency and good washing effect.

In the present invention, the carrying arm 110 is used for mounting the washing arm 120, the washing arm 120 is mounted above the carrying arm 110, and the washing arm 120 is used for cleaning, wherein the up and down directions are the same as the up and down directions in the drawings. Referring to fig. 3, the carrying arm 110 has a rotation axis L, and the carrying arm 110 rotates around the rotation axis L. The bearing arm 110 includes a straight extension arm 111, one end of the extension arm 111 meets the rotation axis L, the extension arm 111 extends substantially along the radial direction of the rotation axis L, and the extension arms 111 are disposed at equal intervals around the rotation axis L. The number of the extension arms 111 is less than or equal to 3, preferably, the number of the extension arms 111 is preferably 3, and at the time, the bearing arm 110 is in a three-fork shape, and the multifunctional bicycle has the advantages of simple structure and attractive and elegant appearance. The support arm 121 of the washing arm 120 is also straight, and the length ratio range between the support arm 121 and the extension arm 111 is: 0.5 ~ 1, it is preferred, the length ratio between support arm 121 and the extension arm 111 is 0.6 ~ 0.8, from this, under the prerequisite of avoiding taking place to interfere between the washing arm 120, further expand the range of spraying, have the advantage that cleaning efficiency is high, the cleaning performance is good.

In order to drive the bearing arm 110 to rotate, a second driving hole 112 for spraying water to drive the bearing arm 110 to rotate is formed in the extension arm 111, the rotation direction of the extension arm 111 depends on the opening direction of the second driving hole 112, and the rotation speed of the extension arm 111 depends on the second driving hole 112 and the water pressure. The second driving hole 112 is disposed away from the rotation axis L side so that the extension arm 111 has a larger moment arm to facilitate the rotation of the carrying arm 110. In order to avoid the interference between the water column ejected from the second driving hole 112 and the washing arm 120, the second driving hole 112 is disposed on the side wall of the extension arm 111, and in the above-mentioned arrangement, the water column ejected from the second driving hole 112 is substantially parallel to the support arm 121 of the washing arm 120, thereby avoiding the interference between the water column ejected from the second driving hole 112 and the washing arm 120.

In consideration of the water supply problem of the second driving hole 112, a water flow channel is formed inside the bearing arm 110, and the bearing arm 110 is provided with a water inlet 113 and a plurality of water outlets 114 which are communicated with the water flow channel. The water inlet 113 is located on the bottom end surface of the bearing arm 110 and is arranged at the rotation axis L; the water outlet port 114 is located on the top end surface of the extension arm 111 and is disposed near the other end portion of the extension arm 111, and the other end portion of the extension arm 111 is a free end portion of the extension arm 111. The washing arms 120 are rotatably disposed at the water outlet 114, and the washing arms 120 are disposed corresponding to the extension arms 111 one by one, that is, only one washing arm 120 is disposed on each extension arm 111.

Referring to fig. 4 and 5, the washing arm 120 has a rotation axis H, and the washing arm 120 rotates around the rotation axis H, and in the present invention, the washing arm 120 revolves around the rotation axis L while rotating around the rotation axis H, which can effectively improve the cleaning efficiency of the shower arm 100 and improve the cleaning effect. The number of the support arms 121 of the washing arm 120 may be 2, 3, 4 or 5, and when the number of the support arms 121 is 2, the support arms 121 are arranged in a collinear manner, the connection of the support arms 121 is formed with a water inlet 122, the water inlet 122 is located at the bottom of the washing arm 120 and is arranged coaxially with the rotation axis H, and in this arrangement, the length of the support arms 121 is equal to the length of the extension arm 111. When the number of the support arms 121 is 3, one end portions of the support arms 121 meet at the rotation axis H, the support arms 121 extend substantially in a radial direction of the rotation axis H, and the support arms 121 are arranged at equal intervals around the rotation axis H; the bottom of the washing arm 120 is provided with a water inlet 122, the water inlet 122 is coaxial with the rotation axis H, in this arrangement, the washing arm 120 is in a three-fork shape, and the length of the support arm 121 is smaller than that of the extension arm 111. The arm 121 is provided with a plurality of spray holes 1211 for cleaning and a first driving hole 1212 for spraying water to rotate, a water channel is formed inside the arm 121 such that the spray holes 1211 and the first driving hole 1212 are respectively communicated with the water inlet port 122, the spray holes 1211 and the first driving hole 1212 are both located on a top end surface of the arm 121, and the first driving hole 1212 is disposed away from the rotation axis H relative to the spray holes 1211 to facilitate the rotation of the washing arm 120. The first driving hole 1212 has a washing function in addition to a function of driving the washing arm 120 to rotate; the number and orientation of the first driving holes 1212 may be set as desired to ensure a predetermined rotation speed. The plurality of nozzles 1211 on each arm 121 may be oriented in the same direction or in different directions. In order to provide the spray arm 100 with a better cleaning effect, it is preferable that the plurality of nozzles 1211 on each arm 121 have different orientations, for example, the first nozzle is aligned with the third nozzle, and the second nozzle is aligned with the fourth nozzle, but the first nozzle and the third nozzle are aligned with the second nozzle and the fourth nozzle, and if the plurality of nozzles 1211 are distributed on the same straight line, the problem of intersecting water columns ejected from the plurality of nozzles 1211 is easily caused. In order to avoid the problem of cross interference between water columns ejected from the plurality of nozzles 1211 on the arm 121, the nozzles 1211 on the arm 121 are arranged in a staggered manner. Specifically, the arm 121 has a first end and a second end in the longitudinal direction, and the nozzles 1211 on the arm 121 are arranged in a staggered manner in the direction from the first end to the second end, so that the connection line between the nozzles 1211 is a broken line, thereby effectively preventing interference between water columns ejected from the nozzles 1211 on the arm 121.

In order to avoid the washing dead angle caused by the unidirectional rotation between the carrying arm 110 and the washing arm 120, in the utility model, the rotation direction of at least one washing arm 120 in the washing arms 120 is opposite to the rotation direction of the carrying arm 110, thereby effectively avoiding the washing dead angle. It is understood that the rotation direction and rotation speed between the washing arms 120 may be the same or different; the rotation speed between the carrier arm 110 and the washing arm 120 may be equal or different. In the present invention, it is preferable that the rotation directions of the washing arms 120 are different, so that the effect of washing dishes at a plurality of angles can be achieved, and at the same time, the washing arms 120 revolve and rotate, and the water column sprayed from the washing arms 120 can achieve the purpose of washing dishes at all directions, thereby preventing the occurrence of dead angles.

There are various connection modes between the carrying arm 110 and the washing arm 120, and the carrying arm 110 and the washing arm 120 are detachably connected to each other for easy assembly and disassembly. Specifically, referring to fig. 6 and 7, the water inlet 122 is provided with a buckle 1221, the inner wall of the water outlet 114 is further provided with a full ring-shaped clamping edge 1141 engaged with the buckle 1221, and when the washing arm 120 is clamped to the water outlet 114 of the bearing arm 110 by the engagement between the buckle 1221 and the clamping edge 1141, the washing arm 120 can rotate relative to the water outlet 114. The outer side wall of the water inlet connector 122 is annularly provided with a convex ring 1222, the convex ring 1222 is annularly provided along the circumferential direction of the water inlet connector 122, and extends towards the outer side along the radial direction of the water inlet connector 122. An annular groove 1142 matched with the convex ring 1222 is arranged on the inner wall of the water outlet connector 114, and the clamping edge 1141 is positioned below the annular groove 1142. The protruding ring 1222 and the annular groove 1142 are used to improve the sealing performance between the water inlet port 122 and the water outlet port 114, and prevent water from leaking out from the connection between the water inlet port 122 and the water outlet port 114.

Having fully described the connection and positional relationship between the carrier arm 110 and the wash arm 120, those skilled in the art will understand the following water flow process: the pressurized water flow enters the bearing arm 110 through the water inlet 113 and flows to the second driving hole 112 and the water outlet 114, the water column sprayed from the second driving hole 112 drives the bearing arm 110 to rotate, the water flow from the water outlet 114 enters the washing arm 120 through the water inlet 122 for driving the washing arm 120 to rotate and washing the articles to be washed, and the articles to be washed can be tableware and the like.

It is to be understood that the spray arm 100 of the present invention may be used in a variety of applications, as exemplified below.

The spray arm 100 of the present invention may be applied to a cleaning apparatus. Wherein the cleaning apparatus comprises a spray arm 100 as described above. In a particular application, the cleaning device is a dishwasher for washing dishes. The dish washer organism, be formed with the washing chamber in the organism, spray arm 100 locates and washs the intracavity, through adopting above-mentioned spray arm 100, can avoid wasing the intracavity and appear the washing dead angle, has reduced the requirement of putting the form to the tableware, has convenient to use, advantage that the cleaning efficiency is high.

It is to be understood that the above specific application is only an illustration of the spray arm 100 of the present invention, and those skilled in the art can make an adaptive adjustment according to the actual situation, which is not described herein.

In conclusion, the washing arm is rotatably arranged on the bearing arm, so that the jet density of the washing water column is effectively increased, and the washing device has the advantages of high washing efficiency and good washing effect; furthermore, the nozzles 1211 on the arm 121 are staggered in a direction from the first end to the second end, so that a connection line between the nozzles 1211 is a broken line, thereby effectively preventing interference between water columns ejected by the plurality of nozzles 1211 on the arm 121; the length ratio of the support arm 121 to the extension arm 111 is 0.8, so that the spraying range is further expanded on the premise of avoiding interference between the washing arms 120, and the cleaning device has the advantages of high cleaning efficiency and good cleaning effect; further, the rotation directions of the washing arms 120 are different, so that the effect of washing the tableware at multiple angles can be achieved, meanwhile, the washing arms 120 revolve around and rotate, and the water column sprayed out of the washing arms 120 can achieve the purpose of washing in all directions, so that the appearance of dead angle positions is avoided.

The above is only one embodiment of the present invention, and any other modifications based on the concept of the present invention are considered as the protection scope of the present invention.

Claims (9)

1. A spray arm, comprising:

a carrying arm (110); and

at least one washing arm (120) rotatably arranged on the bearing arm (110);

wherein each washing arm (120) comprises more than two support arms (121);

the support arm (121) is provided with a plurality of spray holes (1211) for cleaning and a first driving hole (1212) for spraying water to drive the support arm to rotate.

2. The spray arm of claim 1,

the support arm (121) is provided with a first end part and a second end part in the longitudinal direction, and the spray holes (1211) on the support arm (121) are arranged in a staggered mode in the direction from the first end part to the second end part, so that the connection line between the spray holes (1211) is a broken line.

3. The spray arm of claim 1,

the rotating direction of at least one washing arm (120) in the washing arms (120) is opposite to the rotating direction of the bearing arm (110).

4. The spray arm of claim 1,

the bearing arm (110) comprises extension arms (111), wherein the number of the extension arms (111) is less than or equal to 3, and the length of the support arm (121) is less than or equal to that of the extension arms (111).

5. The spray arm of claim 4,

support arm (121) with extension arm (111) all are the vertical bar form, support arm (121) with the length ratio range between extension arm (111) is: 0.5 to 1.

6. The spray arm of claim 4,

a second driving hole (112) for spraying water flow to drive the bearing arm (110) to rotate is formed in the extension arm (111);

wherein the second driving hole (112) is provided on a sidewall of the extension arm (111).

7. The spray arm of claim 4,

the carrying arm (110) has a rotation axis L about which the carrying arm (110) rotates;

wherein one end of the extension arms (111) meet at the rotation axis L, and the extension arms (111) are disposed at equal intervals around the rotation axis L.

8. The spray arm of claim 7,

the bearing arm (110) is provided with a water inlet (113) and a plurality of water outlet interfaces (114), the water inlet (113) is arranged at the position of the rotation axis L, and the water outlet interfaces (114) are arranged close to the other end of the extension arm (111);

wherein, the washing arm (120) is rotatably arranged at the water outlet interface (114).

9. A cleaning device, characterized by comprising a spray arm (100) according to any one of claims 1 to 8.

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