CN212066658U - Spraying device and dish washing machine - Google Patents

Abstract

The utility model relates to an electrical apparatus technical field especially relates to a spray set and dish washer. The spraying device comprises a spraying arm and a nozzle; the spray arm is provided with a spray channel and a water outlet communicated with the spray channel, a bulge is formed in the direction away from the spray channel close to the water outlet of the spray arm, and the bulge is provided with internal threads or external threads; the nozzle is provided with an external thread or an internal thread matched with the raised internal thread or the external thread, and when the external thread is matched and connected with the internal thread, the nozzle is communicated with the water outlet. The dishwasher comprises the spraying device. The utility model provides a spray set and dish washer to alleviate the technical problem that spray set's that exists among the prior art nozzle and the insecure nozzle that leads to between the spray arm easily drop.

Description

Spraying device and dish washing machine

Technical Field

The utility model belongs to the technical field of domestic appliance technique and specifically relates to a spray set and dish washer are related to.

Background

A dishwasher is a kitchen appliance for automatically washing dishes, and is gradually entering more and more general households. The dish washing machine is provided with a cleaning cavity, a spraying device is arranged in the cleaning cavity, tableware is placed in the cleaning cavity, cold water or hot water is sprayed to the surface of the tableware through the spraying device to clean the tableware, and the cleaned tableware is directly stored in the cleaning cavity.

The spraying device comprises a spraying arm and a nozzle arranged on the spraying arm, and cold water or hot water is sprayed to the surface of the tableware through the nozzle. Among the prior art, nozzle and spray arm often formula structure as an organic whole, the inside impurity of clearance nozzle of not being convenient for, in order to solve above-mentioned problem, can dismantle between nozzle and the spray arm and be connected among the spray set after the improvement, however, such setting makes the nozzle insecure with being connected between the spray arm, and under hydraulic effect, the nozzle easily drops, influences the normal use of dish washer.

Therefore, the present application provides a novel spray device and a dishwasher in view of the above problems.

SUMMERY OF THE UTILITY MODEL

A first object of the utility model is to provide a spray set to alleviate the technical problem that the nozzle easily drops that leads to of the insecure connection between spray set's the nozzle that exists among the prior art and the spray arm.

A second object of the present invention is to provide a dishwasher to further alleviate the technical problem that the nozzle of the spraying device existing in the prior art is easily dropped due to the insecure connection between the nozzle and the spraying arm.

Based on the first purpose, the utility model provides a spraying device, which comprises a spraying arm and a nozzle;

the spraying arm is provided with a spraying channel and a water outlet communicated with the spraying channel, a bulge is formed by the spraying arm close to the water outlet and far away from the spraying channel, and the bulge is provided with internal threads or external threads;

the nozzle is provided with bellied internal thread or the external screw thread looks adaptation's external screw thread or internal thread, just the external screw thread with during the internal thread cooperation is connected, the nozzle with the delivery port intercommunication.

Furthermore, in the spraying device, a positioning protruding part used for positioning the nozzle is arranged in the protrusion, and the positioning protruding part is arranged on one side of the nozzle close to the water outlet.

Furthermore, in the spraying device, the positioning convex part, the bulge and the spraying arm are integrally formed.

Further, in the spray device, a seal ring is arranged between the nozzle and the positioning projection.

Furthermore, in the spraying device, the nozzle is provided with a nozzle, one side of the nozzle close to the water outlet is provided with a water storage tank, and the water outlet is communicated with the nozzle through the water storage tank.

Furthermore, in the spraying device, the wall surface of the water storage tank is a smooth transition surface.

Furthermore, in the spraying device, a plurality of water outlets are formed in the spraying arm, the water outlets are arranged at intervals along the length direction of the spraying arm, and a nozzle is arranged at each water outlet.

Furthermore, in the spraying device, a plurality of spraying arms are arranged, and the spraying channels of the spraying arms are communicated;

the spraying device further comprises a connecting seat used for being connected with the inner container, and the plurality of spraying arms are connected to the connecting seat.

Further, in the spraying device, the plurality of spraying arms are uniformly arranged along the circumferential direction of the connecting seat.

Adopt above-mentioned technical scheme, the utility model discloses a spray set has following beneficial effect:

the spraying device can be used for a dish washing machine and is arranged in a washing cavity of the dish washing machine, and when the spraying device is used, water in the spraying channel can be sprayed out from the spray nozzle after passing through the water outlet so as to wash tableware.

When the spraying device is assembled, only the nozzle needs to be screwed into the bulge; when the nozzle needs to be cleaned, the nozzle can be screwed off from the bulge, so that the nozzle is convenient to assemble and disassemble, and time and labor are saved.

In addition, the threaded connection area of the nozzle and the spray arm is increased due to the arrangement of the protrusions, so that the connection strength of the nozzle and the spray arm is improved, the nozzle is more firmly connected with the spray arm, and the nozzle is prevented from falling off under the action of water pressure to a certain extent.

Based on the second purpose, the utility model provides a dish washing machine, this dish washing machine includes spray set.

Adopt above-mentioned technical scheme, the utility model discloses a dish washer has following beneficial effect:

by providing the above-mentioned spraying device in the dishwasher, accordingly, the dishwasher has all the advantages of the above-mentioned spraying device, which are not described in detail herein.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to these drawings without inventive efforts.

Fig. 1 is an exploded view of a spraying device provided in an embodiment of the present invention;

fig. 2 is a schematic structural view of a spraying device provided in an embodiment of the present invention;

fig. 3 is an enlarged view of a portion a of the shower apparatus shown in fig. 2.

Reference numerals:

1-a spray arm; 11-a water outlet; 12-a spray channel; 13-a bump; 14-positioning the projection;

2-a nozzle; 21-nozzle; 22-a reservoir;

3-sealing ring;

4-a connecting seat.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

Referring to fig. 2 and fig. 3, the present embodiment provides a spraying device, wherein the spraying device includes a spraying arm 1 and a nozzle 2.

The spray arm 1 is provided with a spray channel 12 and a water outlet 11 communicated with the spray channel 12, a protrusion 13 is formed at the position of the spray arm 1 close to the water outlet 11 towards the direction far away from the spray channel 12, an internal thread is arranged in the protrusion 13, and certainly, an external thread can also be arranged on the protrusion 13.

In addition, the nozzle 2 is provided with an external thread matched with the internal thread of the protrusion 13, and when the external thread is connected with the internal thread in a matching manner, that is, when the nozzle 2 is screwed in the protrusion 13, the nozzle 2 is communicated with the water outlet 11 of the spray arm 1. Alternatively, the nozzle 2 is provided with an internal thread matching an external thread on the protrusion 13.

It should be noted that the spray device can be used in a dishwasher and installed in a washing chamber of the dishwasher, and in this arrangement, when the spray device is used, water in the spray passage 12 can pass through the water outlet 11 and then be sprayed out from the spray nozzle 2 to wash dishes.

When the spraying device is assembled, the nozzle 2 only needs to be screwed into the bulge 13; when the nozzle 2 needs to be cleaned, the nozzle 2 can be screwed off from the bulge 13, so that the nozzle 2 is convenient to disassemble and assemble, and time and labor are saved.

In addition, the arrangement of the bulge 13 increases the threaded connection area of the nozzle 2 and the spray arm 1, so that the connection strength of the nozzle 2 and the spray arm 1 is improved, the connection between the nozzle 2 and the spray arm 1 is firmer, and the nozzle 2 is prevented from falling off under the action of water pressure to a certain extent.

Preferably, the projection 13 is arranged perpendicular to the spray arm 1.

Preferably, referring to fig. 2 and fig. 3, in the present embodiment, a positioning protrusion 14 for positioning the nozzle 2 is disposed in the protrusion 13, and the positioning protrusion 14 is disposed on a side of the nozzle 2 close to the water outlet 11.

With the arrangement, the positioning bulge 14 is used for positioning the nozzle 2, so that the position of screwing the nozzle 2 to the bulge 13 is more accurate, and the nozzle 2 is prevented from screwing into the spray channel 12 to influence the normal flow of water flow or block the spray channel 12 to a certain extent.

It should be noted that, by the arrangement of the positioning protrusion 14, the water outlet 11 is formed in the positioning protrusion 14. Preferably, the shape of the water outlet 11 is circular, oval, diamond or other irregular shape, etc.

Alternatively, the positioning protrusion 14, the protrusion 13 and the spray arm 1 may be detachably connected or fixedly connected, for example, by welding or bonding, and the detachable connection may be connected, for example, by snapping, fastening or screwing.

Preferably, in this embodiment, the positioning protrusion 14, the protrusion 13 and the spray arm 1 are integrally formed.

For example, the positioning protrusion 14, the protrusion 13 and the shower arm 1 are formed by a single process using a mold.

According to the arrangement, on the one hand, the sealing performance of the spraying device product is guaranteed in processing, on the other hand, the consistency of the spraying device product is guaranteed through the mold in the process, and the production efficiency of the spraying device is improved. In addition, the purpose of preventing welding failure is achieved by a mode of no welding point connection, the spraying device is more durable, and the positioning protruding part 14, the protrusion 13 and the spraying arm 1 are more firmly connected.

Preferably, referring to fig. 1 and 3, in the present embodiment, a sealing ring 3 is disposed between the nozzle 2 and the positioning protrusion 14.

Such setting has improved the leakproofness between nozzle 2 and the spray arm 1, has further guaranteed the sealing performance of spray set product, prevents to a certain extent that spray set from leaking, has promoted user's use and has experienced.

Optionally, the number of the sealing rings 3 is one or more, for example, the number of the sealing rings 3 is one, two, three, four, or five, etc.

Optionally, the sealing ring 3 is an O-ring, a U-ring, a V-ring, a rectangular ring, a Y-ring, or the like.

Preferably, referring to fig. 2 and fig. 3, in the present embodiment, the nozzle 2 is provided with a spout 21, a water storage tank 22 is provided on a side of the nozzle 2 close to the water outlet 11, and the water outlet 11 is communicated with the spout 21 through the water storage tank 22.

With the arrangement, the water flow in the spraying channel 12 can be stored in the water storage tank 22 after passing through the water outlet 11 and is sprayed out through the spray nozzle 21 to clean the tableware.

The water storage tank 22 increases the storage space of the sprayed water, thereby improving the pressure of the water sprayed from the nozzle 21 and improving the cleaning degree of the tableware.

Preferably, referring to fig. 2 and fig. 3, in this embodiment, the wall surface of the reservoir 22 is a smooth transition surface.

Due to the arrangement, the noise generated by the collision between the water and the wall surface of the water storage tank 22 is reduced to a certain extent, so that a user feels more comfortable when using the dishwasher, and the experience of the user is improved.

For example, rounded or elliptical corners or the like may be provided between adjacent tank wall surfaces of the reservoir 22 in place of sharp corners.

Preferably, in this embodiment, the spray arm 1 is provided with a plurality of water outlets 11, and the plurality of water outlets 11 are arranged at intervals along the length direction of the spray arm 1, wherein each water outlet 11 is provided with a nozzle 2.

Alternatively, the number of the water outlets 11 on the spray arm 1 is two, three, four, five or six, etc., which is determined according to the length of the spray arm 1. Preferably, the plurality of water outlets 11 are uniformly arranged along the length direction of the spray arm 1.

By the arrangement, the tableware in the cleaning cavity can be cleaned more comprehensively, and the cleaning efficiency is improved.

Preferably, referring to fig. 1, in the present embodiment, a plurality of spray arms 1 are provided, and the spray channels 12 of the plurality of spray arms 1 are all communicated; the spraying device also comprises a connecting seat 4 used for being connected with the inner container, and the plurality of spraying arms 1 are connected to the connecting seat 4.

Optionally, a plurality of spray arms 1 are detachably or fixedly connected to the connecting base 4.

Preferably, the spray arms 1 are detachably connected to the connecting base 4, for example, by snapping, fastening, or screwing.

It should be noted that the dish-washing machine further comprises an inner container, the cleaning cavity is arranged in the inner container, and the plurality of spray arms 1 are connected to the inner container through the connecting seat 4.

Preferably, the connecting base 4 is connected to a bottom plate of the inner container (not shown in the figure), and the water outlet 11 is disposed at a side of the spray arm 1 away from the bottom plate, so that the nozzle 2 at the water outlet 11 sprays water to the dishes for washing the dishes.

Preferably, the spray arm 1 includes a first housing and a second housing, and when the first housing and the second housing are connected, the spray channel 12 is formed in the first housing and the second housing. Preferably, the first housing and the second housing are connected by clamping, buckling or screwing.

Wherein, the first shell is far away from the bottom plate, preferably, the water outlet 11 and the protrusion 13 are both arranged on the first shell.

Alternatively, a plurality of shower arms 1 are provided at intervals along the circumferential direction of the joint socket 4.

Optionally, the number of the spray arms 1 is two, three, four, five, six or seven, etc., which is determined by the size of the washing cavity, and the number of the spray arms 1 in the larger washing cavity is larger, so as to improve the comprehensiveness of the tableware washing and the tableware washing efficiency; the smaller number of spray arms 1 in the washing chamber is smaller to reduce the cost of the dishwasher and to prevent waste of water.

Preferably, referring to fig. 1, in the present embodiment, a plurality of spray arms 1 are uniformly arranged along the circumferential direction of the connecting seat 4.

The arrangement improves the uniformity of the tableware cleaning and further improves the comprehensiveness of the tableware cleaning.

It should be noted that the connecting seat 4 is rotatably connected with the inner container, and the dishwasher is rotated through the connecting seat 4 when working, thereby driving the plurality of spraying arms 1 to rotate, and realizing water jet to the tableware.

Example two

The second embodiment provides a dishwasher, the dishwasher comprises the spraying device of the first embodiment, the technical characteristics of the spraying device disclosed in the first embodiment are also applicable to the second embodiment, and the technical characteristics of the spraying device disclosed in the first embodiment are not repeatedly described.

The dish washer that this embodiment provided includes inner bag and above-mentioned spray set, is provided with the washing chamber in the inner bag. Wherein, the spraying device is arranged in a cleaning cavity of the dish-washing machine.

It should be noted that the dishwasher further includes a water supply pump (not shown) and a water tank (not shown) which supplies water to the spray channels 12 by the water supply pump, and since the spray channels 12 of the plurality of spray arms 1 are all communicated, the water tank can simultaneously supply water to the spray channels 12 of the plurality of spray arms 1 by the water supply pump. With the arrangement, when the spraying device is used, water in the spraying channel 12 can pass through the water outlet 11 and then is sprayed out from the nozzle 2, so that tableware in the cleaning cavity can be cleaned.

Therefore, when the spraying device is assembled, the nozzle 2 only needs to be screwed into the bulge 13; when the nozzle 2 needs to be cleaned, the nozzle 2 can be screwed off from the bulge 13, so that the nozzle 2 is convenient to disassemble and assemble, and time and labor are saved.

In addition, the arrangement of the protrusion 13 increases the threaded connection area between the nozzle 2 and the spray arm 1, so that the connection strength between the nozzle 2 and the spray arm 1 is improved, the connection between the nozzle 2 and the spray arm 1 is firmer, and the technical problem that the nozzle 2 is easy to fall off due to the insecure connection between the nozzle 2 and the spray arm 1 of the spray device in the prior art is further solved.

The dishwasher of this embodiment has the advantages of the spray device of the first embodiment, which have been described in detail in the first embodiment, and will not be repeated here.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments.

Claims (10)

1. The spraying device is characterized by comprising a spraying arm (1) and a nozzle (2);

the spray arm (1) is provided with a spray channel (12) and a water outlet (11) communicated with the spray channel (12), a bulge (13) is formed at the position, close to the water outlet (11), of the spray arm (1) in a direction far away from the spray channel (12), and the bulge (13) is provided with internal threads or external threads;

the nozzle (2) is provided with an external thread or an internal thread matched with the internal thread or the external thread of the bulge (13), and the nozzle (2) is communicated with the water outlet (11) when the external thread is matched and connected with the internal thread.

2. The spraying device according to claim 1, characterized in that a positioning projection (14) for positioning the nozzle (2) is arranged in the projection (13), and the positioning projection (14) is arranged on the side of the nozzle (2) close to the water outlet (11).

3. The spray device according to claim 2, characterized in that the positioning projection (14), the projection (13) and the spray arm (1) are provided in one piece.

4. Spray device according to claim 2, characterized in that a sealing ring (3) is arranged between the nozzle (2) and the positioning projection (14).

5. The spraying device according to any one of claims 1 to 4, characterized in that the nozzle (2) is provided with a spout (21), a water storage tank (22) is provided on the side of the nozzle (2) close to the water outlet (11), and the water outlet (11) is communicated with the spout (21) through the water storage tank (22).

6. A spraying device according to claim 5, characterised in that the reservoir (22) has a channel wall with a rounded transition.

7. The spraying device according to any one of claims 1-4, characterized in that a plurality of water outlets (11) are provided on the spraying arm (1), and a plurality of water outlets (11) are provided at intervals along the length direction of the spraying arm (1), and a nozzle (2) is provided at each water outlet (11).

8. The spray device according to any one of claims 1-4, characterized in that a plurality of spray arms (1) are provided, and the spray channels (12) of the plurality of spray arms (1) are communicated;

the spraying device further comprises a connecting seat (4) used for being connected with the inner container, and the plurality of spraying arms (1) are connected to the connecting seat (4).

9. The spray arrangement according to claim 8, characterized in that a plurality of spray arms (1) are arranged uniformly in the circumferential direction of the connecting socket (4).

10. A dishwasher, characterized in that it comprises a spraying device according to any one of claims 1 to 9.

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