CN213442474U - Oscillating jet nozzle structure and cleaning device - Google Patents

Abstract

The utility model discloses an oscillation jet nozzle structure and belt cleaning device relates to vehicle cleaning equipment technical field. The oscillating jet flow nozzle structure comprises a shell and a core body, wherein a containing cavity is arranged in the shell, the core body can be inserted into the containing cavity through a mounting inlet, an oscillating flow channel and a feedback flow channel which are communicated are arranged on the core body, the oscillating flow channel and the feedback flow channel are matched with the containing cavity to respectively form an oscillating chamber and a feedback chamber, an oscillating chamber inlet and an oscillating chamber outlet are arranged on the oscillating chamber, and a feedback outlet of the feedback chamber is communicated with the oscillating chamber inlet; the shell is provided with a fluid outflow channel which forms a preset included angle with the plane where the core body is located, and the feedback inlet of the feedback cavity is communicated with the outlet of the oscillation cavity and the fluid outflow channel. The oscillating jet nozzle structure changes the outflow direction of the original fluid, so that the nozzle structure and the target to be cleaned are more reasonably arranged, and the available space is further increased.

Description

Oscillating jet nozzle structure and cleaning device

Technical Field

The utility model relates to a vehicle cleaning equipment technical field, concretely relates to oscillation jet nozzle structure and belt cleaning device.

Background

With the increasing popularity of intelligent driving technology, sensors in vehicle systems are increasing. The camera is as image acquisition and the important instrument of reaction road conditions, and the application quantity of camera in vehicle system increases gradually. The working environment of the vehicle system is complex, the vehicle system needs to work in a severe environment frequently, the camera is easily polluted, the camera is a photosensitive element, and the working performance of the camera can be seriously influenced if the surface of the camera is polluted, so that the driving safety of the vehicle is influenced.

At present, a cleaning scheme for a camera is provided, and the camera is mainly cleaned by adopting a liquid nozzle. The jet oscillation nozzle is in a liquid nozzle form widely used at present, and comprises a shell, an oscillation cavity arranged in the shell, and a left feedback loop and a right feedback loop which are communicated with the oscillation cavity, wherein a fluid inlet and a fluid outlet are arranged at two ends of the oscillation cavity, and the two feedback loops are respectively communicated with the fluid inlet and the fluid outlet. During cleaning, fluid enters the oscillation cavity through the fluid inlet, the fluid can deviate to one side wall of the oscillation cavity due to the wall attachment effect, and part of the fluid flows to the fluid inlet through the feedback loops, so that the left feedback loop and the right feedback loop generate pressure difference on the fluid at the fluid inlet and push the fluid to the other side wall, and the circulation is repeated, so that the outflow left and right oscillation can be realized, the larger cleaning coverage area is realized, and meanwhile, the working principle of the jet oscillation nozzle can ensure that the outflow aggregation performance is strong at a certain moment, and the cleaning effect is better.

However, the outflow directions of the cleaning liquid in the fluid inlet and the fluid outlet of the existing oscillating jet nozzle are on the same straight line, that is, the camera is cleaned in a straight line outflow mode, and the oscillating jet nozzle and the camera need to occupy a large installation and matching space in a vehicle in the cleaning mode.

Accordingly, there is a need for an oscillating jet nozzle structure and cleaning device that solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oscillation jet nozzle structure and belt cleaning device can change the direction of effluence of original fluid, makes the nozzle structure arrange more rationally with the installation of treating the cleaning target, and then increases usable space.

To achieve the purpose, the utility model adopts the following technical proposal:

a vibration jet flow nozzle structure comprises a shell and a core body, wherein a containing cavity is arranged in the shell, the core body can be inserted into the containing cavity through a mounting inlet, a vibration flow channel and a feedback flow channel which are communicated are arranged on the core body, the vibration flow channel and the feedback flow channel are matched with the containing cavity to form a vibration cavity and a feedback cavity respectively, a vibration cavity inlet and a vibration cavity outlet are arranged on the vibration cavity, and a feedback outlet of the feedback cavity is communicated with the vibration cavity inlet;

the shell is provided with a fluid outflow channel which forms a preset included angle with the plane where the core body is located, and a feedback inlet of the feedback cavity is communicated with an outlet of the oscillation cavity and the fluid outflow channel.

Optionally, the preset included angle is 90 °.

Optionally, the fluid outflow channel includes a first fluid outflow channel and a second fluid outflow channel, the first fluid outflow channel is communicated with the oscillation chamber outlet through the second fluid outflow channel, along the fluid outflow direction, the first fluid outflow channel is in a gradually expanding "splay" shape, and the first fluid outflow channel is smoothly connected with the second fluid outflow channel, the cross section of the second fluid outflow channel gradually increases along the fluid outflow direction, and the second fluid outflow channel is configured to change the outflow direction of the fluid flowing out from the oscillation chamber outlet to guide the fluid into the first fluid outflow channel.

Optionally, the included angle formed by the two side walls of the splay shape of the first fluid outflow channel is 30-80 degrees.

Optionally, the inner wall of the second fluid outflow channel is provided with a first arc-shaped transition surface, and the width a of the first arc-shaped transition surface is 0.3mm to 1.0mm along the outflow direction perpendicular to the fluid.

Optionally, a distance b from a phase cutting plane of the first arc-shaped transition surface and the second fluid outflow channel to one end of the second fluid outflow channel, which is connected with the outlet of the oscillation chamber, is 0.5mm to 1.5 mm.

Optionally, in a direction perpendicular to the outflow direction of the fluid, a width of the end of the second fluid outflow channel communicating with the first fluid outflow channel is 5 times to 10 times a width of the end of the second fluid outflow channel communicating with the outlet of the oscillation chamber.

Optionally, the width of the end of the second fluid outflow channel communicated with the first fluid outflow channel is 2mm-3.5 mm.

Optionally, a groove is formed in the core body, two partition walls symmetrically distributed on two sides of the central axis of the nozzle are arranged in the groove, and a flow channel formed between the two partition walls is the oscillation flow channel; and a flow passage enclosed between the partition wall and the groove is the feedback flow passage.

The utility model also provides a belt cleaning device, include as above the oscillating jet nozzle structure.

The utility model has the advantages that:

the utility model provides a pair of oscillating jet flow nozzle structure and belt cleaning device, through setting up the oscillation chamber and the feedback chamber that are linked together, the feedback export of feedback chamber communicates with the oscillation chamber entry, and the feedback entry and the oscillation chamber export of feedback chamber communicate to partly fluid feedback in the oscillation chamber to oscillation chamber entry, form the nozzle structure of oscillating jet flow, improve clean efficiency; and the fluidic direction of effluenting of the oscillation chamber export of first fluid outflow passageway are the setting of predetermineeing the contained angle to changed the fluidic direction of effluenting of original, shortened the oscillation jet nozzle and treat the installation distance between the washing target, make installation between them arrange more rationally, and then increase available space, the core is pegged graft in the mode that holds the intracavity through the installation entry simultaneously also is convenient for manufacturing and later stage's dismouting maintenance, and the suitability is strong.

Drawings

FIG. 1 is a diagram of a prior art arrangement of an oscillating fluidic nozzle and a camera;

fig. 2 is a diagram of the arrangement relationship between the oscillating jet nozzle and the camera provided by the embodiment of the present invention;

fig. 3 is a schematic overall structure diagram of an oscillating jet nozzle structure provided by an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view taken at A-A in FIG. 3;

fig. 5 is a schematic drawing showing a part of the dimensions of an oscillating jet nozzle structure provided in an embodiment of the present invention;

FIG. 6 is a schematic cross-sectional view at B-B in FIG. 3;

fig. 7 is a schematic structural diagram of a core in an oscillating jet nozzle structure provided by an embodiment of the present invention.

In the figure:

100. an oscillating jet nozzle; 200. a camera;

1. a housing; 11. a first housing; 111. a first fluid inflow channel; 12. a second housing; 121. an accommodating chamber; 1211. installing an inlet; 122. a first fluid outflow channel; 123. a second fluid outflow channel; 1231. a first arcuate transition surface; 1232. a second arcuate transition surface; 2. an oscillation chamber; 21. an oscillation chamber inlet; 22. an oscillation chamber outlet; 3. a feedback chamber; 4. a partition wall; 5. a core body; 51. an oscillation flow channel; 52. a feedback flow channel; 53. the second fluid flows into the channel.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly and encompass, for example, both fixed and removable connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

Fig. 1 is a layout diagram of an oscillating jet nozzle 100 and a camera 200 in the prior art, and as can be seen from fig. 1, a cleaning liquid in the oscillating jet nozzle 100 cleans the camera 200 in a linear outflow manner, and the oscillating jet nozzle 100 is located right above the camera 200, such a layout manner needs to occupy a large installation space on a vehicle, but the installation space on the vehicle is limited, so the present embodiment provides an oscillating jet nozzle structure to solve the above problem.

As shown in fig. 3 to 7, the oscillating jet nozzle structure disclosed in the present embodiment includes a housing 1 and a core 5, and the core 5 can be inserted into the housing 1. Specifically, the housing 1 is provided therein with an accommodating chamber 121. The core body 5 can be inserted into the containing cavity 121 through the installation inlet 1211, the core body 5 is provided with the oscillation flow channel 51 and the feedback flow channel 52 which are communicated, the oscillation flow channel 51 and the feedback flow channel 52 are matched with the containing cavity 121 to respectively form the oscillation cavity 2 and the feedback cavity 3, the oscillation cavity 2 is provided with the oscillation cavity inlet 21 and the oscillation cavity outlet 22, the shell 1 is provided with a fluid outflow channel which forms a preset included angle with the plane where the core body 5 is located, and the feedback inlet of the feedback cavity 3 is communicated with the oscillation cavity outlet 22 and the fluid outflow channel. The feedback inlet of the feedback chamber 3 is communicated with the oscillation chamber outlet 22 and the fluid outflow channel, so that a part of fluid flowing out of the oscillation chamber outlet 22 is fed back to the oscillation chamber inlet 21 through the feedback chamber 3 to form a pressure difference, and the fluid entering the oscillation chamber 2 is deflected to one side with smaller pressure to form an oscillation cleaning structure, and the cleaning efficiency is improved. The fluid outflow channel is arranged in a way that the outflow direction of the fluid outflow channel forms a preset included angle with the inflow direction of the fluid outflow channel. The oscillating jet nozzle structure changes the outflow direction of the original fluid, thereby shortening the installation distance between the oscillating jet nozzle 100 and the target to be cleaned, reducing the overall matching installation space and further increasing the available space.

It should be noted that, in this embodiment, the fluid is a cleaning liquid, the target to be cleaned is the camera 200 mounted on the vehicle, and the cleaning liquid is ejected through the fluid outflow channel to clean the camera 200, and since the outflow direction of the cleaning liquid in the fluid outflow channel and the inflow direction of the cleaning liquid form a preset included angle, the mounting distance between the oscillating jet nozzle 100 and the camera 200 is shortened, the overall matching mounting space is reduced, and the available space of the vehicle is increased. Of course, in other embodiments, the fluid may also be purged with a gas according to actual needs, and the present embodiment is not limited thereto.

Illustratively, as shown in fig. 3 and 4, the housing 1 includes a first housing 11, the first housing 11 is rectangular, and a first fluid inflow channel 111 is disposed therein, the first fluid inflow channel 111 is a cleaning fluid inflow channel to continuously input external cleaning fluid for cleaning.

The housing 1 further includes a second housing 12 fixedly connected to the first housing 11, the second housing 12 is also a rectangular housing, a receiving chamber 121 is disposed in the second housing 12, and the second housing 12 is communicated with the first fluid inflow channel 111 to continuously input the cleaning fluid into the second housing 12. An installation inlet 1211 communicated with the accommodating cavity 121 is formed on one side surface of the second shell 12, and the core body 5 can be conveniently installed in the accommodating cavity 121 through the installation inlet 1211. A second arc-shaped transition surface 1232 is disposed on the inner wall of the accommodating cavity 121 to facilitate the smooth flow of the cleaning solution.

Optionally, as shown in fig. 4, a second fluid inflow channel 53 is further provided in the second housing 12, and the second fluid inflow channel 53 is respectively communicated with the oscillation chamber inlet 21 and the first fluid inflow channel 111 to continuously input the cleaning liquid into the oscillation chamber 2. Preferably, the cross-sectional area of the second fluid inflow channel 53 in the flow direction of the cleaning liquid is gradually reduced to merge the fluid, enhancing its convergence into the oscillation chamber 2.

Illustratively, the oscillation chamber 2 communicates with the first fluid inflow passage 111 to continuously input the external cleaning liquid into the oscillation chamber 2. The oscillation chamber 2 is a rectangular chamber. Alternatively, as shown in fig. 5, the selection of the size of the oscillation chamber 2 may be: the length c of the oscillation chamber 2 is typically 3mm to 10mm and the maximum width d is typically 2mm to 10mm in the outflow direction of the fluid. The cleaning liquid can realize the left-right oscillation effect in the oscillation chamber 2 by utilizing the coanda effect of the fluid through reasonable structural design.

Accordingly, the feedback chamber 3 is provided at the outer periphery of the oscillation chamber 2, the feedback inlet of the feedback chamber 3 communicates with the oscillation chamber outlet 22, and the feedback outlet of the feedback chamber 3 communicates with the oscillation chamber inlet 21. According to the arrangement, part of the cleaning liquid flowing out of the oscillating chamber 2 is fed back to the inlet 21 of the oscillating chamber through the feedback chamber 3 and generates pressure difference on the cleaning liquid at the inlet, the pressure difference enables the cleaning liquid entering the oscillating chamber 2 to deviate to one side to form an oscillating effect, part of the cleaning liquid flowing out of the oscillating chamber 2 enters the feedback chamber 3 again, and the pressure difference is formed at the inlet 21 of the oscillating chamber again, so that the oscillating cleaning of the nozzle is realized through the circulation, and the cleaning efficiency is improved. The width e of the feedback chamber 3 in the outflow direction of the fluid is typically 0.3mm-2 mm. In this embodiment, for the fluency that improves the washing liquid feedback, feedback chamber 3 is equipped with two, the periphery of oscillation chamber 2 is located relatively respectively to two feedback chambers 3, the feedback entry of two feedback chambers 3 is in oscillation chamber export 22 intercommunication, the feedback export of two feedback chambers 3 is in oscillation chamber entry 21 department intercommunication, the feedback volume that gets into two feedback chambers 3 through the washing liquid is different, in order to form pressure differential in oscillation chamber entry 21 department, realize the oscillation and wash, improve the cleaning efficiency.

A groove is formed in the core body 5, two partition walls 4 which are symmetrically distributed on two sides of the central axis of the nozzle are arranged in the groove, and a flow channel formed between the two partition walls 4 is an oscillation flow channel 51; the flow passage enclosed between the partition wall 4 and the groove is a feedback flow passage 52. An arc-shaped transition area is arranged at one end of the partition wall 4 close to the feedback inlet so as to guide part of the cleaning liquid in the oscillating chamber 2 to the feedback chamber 3, and the oscillating and feedback effects of the oscillating jet nozzle 100 are improved. In the present embodiment, two partition walls 4 are provided to partition the oscillation chamber 2 and the two feedback chambers 3. The gap between the two partition walls 4 is an oscillation chamber inlet 21 and an oscillation chamber outlet 22, respectively, the oscillation chamber inlet 21 is communicated with the first fluid inflow channel 111, and the oscillation chamber outlet 22 is communicated with both the first fluid outflow channel 122 and the feedback chamber 3.

Further, in order to perform a certain rectification on the cleaning liquid before flowing into the oscillation chamber 2, so that the fluid entering into the oscillation chamber 2 has a better flow characteristic, the maximum width dimension of the inlet 21 of the oscillation chamber is generally 0.3mm-2 mm.

The fluid outflow channel includes a first fluid outflow channel 122 and a second fluid outflow channel 123, the first fluid outflow channel 122 is communicated with the oscillation chamber outlet 22 through the second fluid outflow channel 123, along the fluid outflow direction, the first fluid outflow channel 122 is in a gradually expanding 'splay' shape, the first fluid outflow channel 122 is smoothly connected with the second fluid outflow channel 123, and the first fluid outflow channel 122 is used for ejecting fluid to clean the camera 200. The cross section of the second fluid outflow channel 123 gradually increases along the outflow direction of the fluid, and the second fluid outflow channel 123 is configured to change the outflow direction of the fluid flowing out from the oscillation chamber outlet 22 to be guided into the first fluid outflow channel 122.

Alternatively, as shown in fig. 4 and 5, the flowing direction of the cleaning liquid in the first fluid outflow channel 122 and the outflow direction of the cleaning liquid flowing out from the oscillation chamber outlet 22 are set to form a preset included angle, the flowing direction of the cleaning liquid in the first fluid outflow channel 122 and the extension surface of the oscillation chamber 2 may be set to form a preset included angle, or the flowing direction of the cleaning liquid in the first fluid outflow channel 122 is located in the extension surface of the oscillation chamber 2, and the flowing direction of the cleaning liquid in the first fluid outflow channel 122 and the outflow direction of the cleaning liquid from the oscillation chamber outlet 22 are set to form a preset included angle, so as to shorten the installation distance between the existing oscillating jet nozzle 100 and the camera 200. Preferably, as shown in fig. 2 to 6, in the present embodiment, the preset included angle is set at 90 °, so that the oscillating jet nozzle 100 and the camera 200 are arranged in parallel, which can both clean the camera 200 and reduce the fitting installation space of the oscillating jet nozzle 100 and the camera 200 to the maximum extent, thereby increasing the available space of the vehicle.

Illustratively, as shown in fig. 6, the first fluid outflow channel 122 is a diverging "splay", and the first fluid outflow channel 122 is smoothly transitionally connected with the second fluid outflow channel 123 to smoothly flow the cleaning fluid from the second fluid outflow channel 123 into the first fluid outflow channel 122, and also to increase the outflow stability of the oscillating jet nozzle 100. Preferably, the included angle between the two side walls of the first fluid outflow channel 122 is 30-80 degrees, so as to control the outflow range of the cleaning fluid, so that the outflow range of the cleaning fluid can accurately cover the edge of the extreme position of the camera 200 to be cleaned, thereby improving the utilization rate of the cleaning fluid, and not only realizing the overall cleaning of the camera 200, but also avoiding the waste of the cleaning fluid. In this embodiment, the included angle between the two side walls of the "eight" shape of the first fluid outflow channel 122 is set to 60 °, and in other embodiments, the included angle between the two side walls of the "eight" shape of the first fluid outflow channel 122 may be determined according to the specific size of the cleaning object, which is not limited in this embodiment.

Further, the cross section of the second fluid outflow channel 123 along the outflow direction of the cleaning solution therein is gradually increased to enlarge the outflow range of the cleaning solution from the oscillation chamber outlet 22, thereby improving the cleaning efficiency. Meanwhile, the cleaning liquid starts to flow out when flowing out from the oscillation chamber 2, so that the path of the cleaning liquid from the oscillation chamber to the preset angle can be shortened, and the installation distance between the oscillation jet flow nozzle 100 and the camera 200 is further reduced.

Illustratively, the opening of the second fluid outflow channel 123 is disposed in contact with the second arc-shaped transition surface 1232 of the accommodating cavity 121, and the bottom surface of the second fluid outflow channel 123 is provided with a first arc-shaped transition surface 1231 disposed opposite to the second arc-shaped transition surface 1232. The first arc-shaped transition surface 1231, the second arc-shaped transition surface 1232, the accommodating cavity 121 and two side walls of the second fluid outflow channel 123 cooperate to form a flow guiding structure with arc-shaped transition. The cleaning liquid in the oscillation chamber 2 smoothly flows to the first fluid outflow channel 122 through the arc-shaped transitional flow guide structure, so that the cleaning liquid smoothly turns, and the fluid resistance caused by the change of the flow direction of the cleaning liquid is reduced.

Further, as shown in fig. 5, fig. 5 is a partial dimension labeled diagram of the oscillating jet nozzle structure, and under the premise of ensuring the internal flow characteristics of the oscillating jet nozzle 100, the critical dimension of the second fluid outflow channel 123 is selected as follows: the width a of the first curved transition surface 1231 is 0.3mm to 1.0mm in a direction perpendicular to the outflow direction of the fluid. The distance b from the cross section of the first arc-shaped transition surface 1231 and the second fluid outflow channel 123 to the end of the second fluid outflow channel 123 connected to the oscillation chamber outlet 22 is 0.5mm to 1.5 mm. The width dimension of the second fluid outflow channel 123 at the end near the oscillation chamber 2 is 0.8-2 times the width of the oscillation chamber inlet 21; in the direction perpendicular to the outflow direction of the fluid, the maximum width f of the end of the second fluid outflow channel 123 communicating with the first fluid outflow channel 122 is 2mm-3.5mm, and the value thereof is related to the width of the end of the second fluid outflow channel 123 communicating with the oscillation chamber 2, and is generally 5 times to 10 times the width of the end of the second fluid outflow channel 123 communicating with the oscillation chamber 2. The minimum width of the end of the second fluid outflow channel 123 communicating with the first fluid outflow channel 122 is 0.8 to 2 times the width of the end of the second fluid outflow channel 123 communicating with the oscillation chamber 2.

Illustratively, through the detachable fixing structure of the core body 5 and the accommodating cavity 121, the core body 5 can be replaced when the oscillation cavity 2 or the feedback cavity 3 is worn excessively, and meanwhile, the core body 5 can be machined and manufactured conveniently. In this embodiment, the oscillating flow channel 51, the feedback flow channel 52, the second fluid inflow channel 53, and the second fluid outflow channel 123 are all disposed on the core body 5, so that the core body 5 is compact in structure, the overall external dimension of the core body can reach 1mm by 5mm by 6mm, and a smaller core body structure can bring more convenience to the installation of the cleaning structure. In practical application, when the installation space is very limited and the nozzle structure cannot be installed independently, the shell on the existing product can be used to replace the shell 1 in the embodiment, and the core 4 is inserted into the matched shell to form the oscillation chamber 2, the feedback chamber 3, the second fluid inflow channel 53 and the second fluid outflow channel 123 in a matching manner, so that the cleaning target is cleaned, and the installation space is further saved. It will be understood that when the casing 1 of the present application is replaced by a casing of an existing product, the corresponding housing chamber 121 and the first fluid outflow passage 122 are provided in the casing to ensure the proper use of the oscillating jet nozzle 100.

The embodiment also discloses a cleaning device which comprises the oscillating jet nozzle structure.

The embodiment of the utility model provides an oscillating jet flow nozzle structure, through setting up the oscillation chamber 2 and the feedback chamber 3 that are linked together, the feedback export of feedback chamber 3 communicates with oscillation chamber entry 21, and the feedback entry of feedback chamber 3 communicates with oscillation chamber exit 22 to with partial fluid feedback in the oscillation chamber 2 to oscillation chamber entry 21 department, form the nozzle structure of oscillating jet flow, improve the cleaning efficiency; and the outflow direction of the cleaning liquid in the first fluid outflow channel 122 and the outflow direction of the cleaning liquid in the oscillation chamber outlet 22 form an included angle, so that the outflow direction of the cleaning liquid of the original oscillation jet nozzle 100 is changed, the installation distance between the oscillation jet nozzle 100 and the camera 200 is shortened, and the overall installation space is reduced.

The core body 5 is further arranged, the oscillation flow channel 51, the feedback flow channel 52, the second fluid inflow channel 53 and the second fluid outflow channel 123 are all arranged on the core body 5, the core body 5 is compact in structure and convenient to replace, the smaller core body 5 structure can enable the core body to be easily matched with shells of other existing products for use, cleaning of a cleaning target is achieved, and installation space is further saved.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims (10)

1. An oscillating jet nozzle structure comprises a shell (1) and a core body (5), wherein an accommodating cavity (121) is formed in the shell (1), and the core body (5) can be inserted into the accommodating cavity (121) through an installation inlet (1211); an oscillating chamber inlet (21) and an oscillating chamber outlet (22) are formed in the oscillating chamber (2), and a feedback outlet of the feedback chamber (3) is communicated with the oscillating chamber inlet (21);

the shell (1) is provided with a fluid outflow channel which forms a preset included angle with the plane where the core body (5) is located, and a feedback inlet of the feedback cavity (3) is communicated with the oscillation cavity outlet (22) and the fluid outflow channel.

2. The oscillating jet nozzle structure of claim 1, wherein said predetermined included angle is 90 °.

3. The oscillating fluidic nozzle structure of claim 1 or 2, wherein said fluid outflow channels comprise a first fluid outflow channel (122) and a second fluid outflow channel (123), the first fluid outflow channel (122) is communicated with the oscillation chamber outlet (22) through the second fluid outflow channel (123), and the first fluid outflow channel (122) is in a gradually expanding splay shape along the outflow direction of the fluid, and the first fluid outflow channel (122) is smoothly connected with the second fluid outflow channel (123) along the outflow direction of the fluid, the second fluid outflow channel (123) is gradually increasing in cross-section, the second fluid outflow channel (123) being configured to change the outflow direction of the fluid flowing out of the oscillation chamber outlet (22) to divert it into the first fluid outflow channel (122).

4. An oscillating jet nozzle arrangement according to claim 3, characterized in that said first fluid outflow channel (122) is formed with an angle of 30 ° -80 ° formed by the two side walls of the "splay".

5. An oscillating jet nozzle arrangement according to claim 3, characterized in that the inner wall of the second fluid outflow channel (123) is provided with a first curved transition surface (1231), the width a of the first curved transition surface (1231) being 0.3mm-1.0mm in a direction perpendicular to the outflow direction of the fluid.

6. An oscillating jet nozzle arrangement according to claim 5, characterized in that the distance b from the cross-section of the first curved transition surface (1231) with the second fluid outflow channel (123) to the end of the second fluid outflow channel (123) connecting the oscillation chamber outlet (22) is 0.5mm-1.5 mm.

7. The oscillating fluidic nozzle structure of claim 6, characterized in that the maximum width f of the second fluid outflow channel (123) in communication with the end of the first fluid outflow channel (122) is 5 to 10 times the width of the second fluid outflow channel (123) in communication with the end of the oscillation chamber outlet (22) in a direction perpendicular to the outflow direction of the fluid.

8. An oscillating jet nozzle arrangement according to claim 7, characterized in that the maximum width f of the second fluid outflow channel (123) at the end communicating with the first fluid outflow channel (122) is 2-3.5 mm.

9. The oscillating jet nozzle structure of claim 1 or 2, characterized in that the core (5) is provided with a recess, two partition walls (4) are symmetrically distributed on both sides of the central axis of the nozzle in the recess, and the flow passage formed between the two partition walls (4) is the oscillating flow passage (51); and a flow passage enclosed between the partition wall (4) and the groove is the feedback flow passage (52).

10. A cleaning device comprising an oscillating jet nozzle arrangement according to any of claims 1-9.

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