CN219756466U

CN219756466U - Range hood with projection function

Info

Publication number: CN219756466U
Application number: CN202320436405.4U
Authority: CN
Inventors: 张兴平
Original assignee: Chinabest Home Appliances Co Ltd
Current assignee: Chinabest Home Appliances Co Ltd
Priority date: 2023-03-08
Filing date: 2023-03-08
Publication date: 2023-09-26
Anticipated expiration: 2033-03-08

Abstract

The utility model discloses a range hood with a projection function, which comprises a lifting type shell, wherein a fan assembly for sucking oil smoke and a projection device are arranged in the shell; the projection device comprises a light source and a lens assembly, wherein the light source and the lens assembly are arranged in the shell, and the lens assembly comprises a film lens, and a plurality of condensing lenses and a plurality of imaging lenses which are respectively arranged on two sides of the film lens; the light rays of the light source sequentially pass through the condensing lenses, the film lenses and the imaging lenses and irradiate the outside of the shell. The utility model has the advantages of large and clear imaging, small volume of the projection structure and hiding of the projection structure in the shell.

Description

Range hood with projection function

Technical Field

The utility model relates to the technical field of range hoods, in particular to a range hood with a projection function.

Background

The projection function is added for the household range hood, and the atmosphere lighting effect can be generated, so that the product grade and the user experience are improved.

The projection device on the existing range hood generally adopts a structure of a light source plus a film lens to form atmosphere light effect, such as a lifting type projection range hood disclosed in the prior patent CN 217482828U of the applicant, wherein a lens barrel is arranged in front of an LED light source, and the film lens is arranged in the lens barrel. The device has some disadvantages:

1) Because no lens group is arranged, the volumes of the lens barrel and the film lens are larger, and the imaging is small and not clear enough;

2) Because the lens barrel is arranged outside the shell, the lens barrel is abrupt and is not attractive;

3) The lens barrel and the film lens are more troublesome to disassemble and replace. In addition, the lens barrel is clamped on the shell, but the clamping structure is troublesome to detach, fragile and easy to detach, and the lens barrel always rotates during operation, so that the clamping structure is easy to loosen, break, noise and other problems are caused after long time use.

The present utility model has been made based on such a situation.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide the range hood with the projection function, which has large and clear imaging, small volume of the projection structure and hidden projection structure in the shell.

The utility model is realized by the following technical scheme:

in order to solve the technical problems, the utility model provides a range hood with a projection function, which comprises a lifting type shell, wherein a fan assembly for sucking oil smoke and a projection device are arranged in the shell; the projection device comprises a light source and a lens assembly, wherein the light source and the lens assembly are arranged in the shell, and the lens assembly comprises a film lens, and a plurality of condensing lenses and a plurality of imaging lenses which are respectively arranged on two sides of the film lens; the light rays of the light source sequentially pass through the condensing lenses, the film lenses and the imaging lenses and irradiate the outside of the shell.

In order to further solve the technical problem to be solved, the utility model provides a range hood with a projection function, wherein the lens assembly sequentially comprises a first condensing lens, a second condensing lens, the film lens, a first imaging lens, a second imaging lens and a third imaging lens from inside to outside.

In order to further solve the technical problem to be solved, the utility model provides the range hood with the projection function, wherein the rotary table is arranged in front of the light source, and the lens component is arranged on the rotary table and can rotate along with the rotary table.

In order to further solve the technical problem to be solved, the utility model provides the range hood with the projection function, wherein the turntable is provided with the mounting hole which is right opposite to the front of the light source, the mounting hole is internally provided with the detachable flexible mounting sleeve, and the lens component is arranged in the mounting sleeve.

In order to further solve the technical problem to be solved, the utility model provides the range hood with the projection function, wherein the mounting sleeve is inserted into the mounting hole from outside to inside and is in interference fit with the mounting hole.

In order to further solve the technical problem, the utility model provides the range hood with the projection function, wherein the lens assembly further comprises a hard lens barrel for installing each lens, and the lens barrel is inserted into the installation sleeve.

In order to further solve the technical problem to be solved, the utility model provides the range hood with the projection function, wherein the turntable is connected with a driving device for driving the turntable to rotate.

In order to further solve the technical problem to be solved, the utility model provides a range hood with a projection function, wherein the driving device comprises a driving motor and a gear pair arranged between the output end of the driving motor and a turntable.

In order to further solve the technical problem to be solved, the utility model provides the range hood with the projection function, wherein the top of the shell is provided with the projection hole, and the light rays of the projection device penetrate through the projection hole and are emitted upwards.

In order to further solve the technical problem to be solved, the utility model provides the range hood with the projection function, wherein the upper end of the mounting sleeve protrudes out of the projection hole.

Compared with the prior art, the utility model has the following advantages:

1. the utility model adopts the projection device on the hanging range hood, can project atmosphere effect, and can improve grade and user experience.

2. In the utility model, the light source and the lens component are all arranged in the shell, are arranged in a hidden way, are not abrupt and are more attractive.

3. According to the utility model, the two condensing lenses and the three imaging lenses are respectively arranged on the two sides of the film lens, so that the imaging is clear and large, and the volume of the projection structure is reduced.

4. The utility model adopts the flexible mounting sleeve, so that the lens component is convenient to assemble and disassemble, the lens component is convenient to replace, and the film lenses of different images are more convenient to replace: when the lens component is installed, the lens component is firstly installed in the installation sleeve to form a whole, and then the installation sleeve is directly inserted into the installation hole from top to bottom. And the disassembly is reverse. The detachable structure spliced by the flexible sleeve is not easy to damage in the process of disassembly and assembly, and is not damaged after repeated disassembly and assembly, so that the detachable structure is durable. Because the installation sleeve has flexibility (of course also has certain elasticity), therefore lens subassembly and installation sleeve insert at the mounting hole steadily all the time when rotating, belong to elastic contact between installation sleeve and the mounting hole, can not loosen, produce problems such as noise. In addition, the installation sleeve also has a sealing effect, can prevent dust and oil, and can prevent oil smoke from dripping into the projection device.

5. In the working process of the utility model, the light source is not moved, and the lens component can rotate along with the turntable, and the projected pattern is also rotary and dynamic, so that the utility model can realize dynamic light effect.

Drawings

The utility model is described in further detail below with reference to the attached drawing figures, wherein:

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic longitudinal section of the present utility model;

FIG. 3 is a schematic perspective view of a projection apparatus;

FIG. 4 is an exploded view of the projection device;

fig. 5 is a schematic longitudinal section of the projection apparatus.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings and the detailed description.

The range hood with the projection function as shown in fig. 1 to 5 comprises a lifting type shell 1, wherein a fan assembly 2 for sucking oil smoke and a projection device 3 are arranged in the shell 1. A lifting rope is usually arranged on the shell 1 to realize lifting; the fan assembly 2 mainly comprises a turbine fan and is used for exhausting oil fume; the projection device 3 is mainly used for projecting outwards to form a light effect atmosphere. The projection device 3 is adopted on the hanging range hood, so that the atmosphere effect can be projected, and the grade and the user experience can be improved.

As shown in fig. 4 and 5, the projection device 3 includes a light source 31 and a lens assembly 34 mounted inside the housing 1. Of course, the light source 31 is preferably an LED lamp set.

The lens assembly 34 includes a film lens 343, and a plurality of condensing lenses and a plurality of imaging lenses respectively disposed on two sides of the film lens 343. And the light of the light source 31 passes through each condensing lens, the film lens 343 and each imaging lens in sequence and irradiates outside the housing 1.

In the present utility model, the condensing lenses and the imaging lenses on both sides of the film 343 can focus and focus the projected light many times, so that the projected image range will be enlarged, which is beneficial to greatly reducing the volume of the lens assembly 34.

In the utility model, the light source 31 and the lens assembly 34 are all installed inside the shell 1, are hidden, are not abrupt and are more attractive.

Further, as shown in fig. 5, the lens assembly 34 includes, in order from the inside to the outside (i.e., from the bottom to the top as shown in the drawing), a first condenser lens 341, a second condenser lens 342, the film lens 343, a first imaging lens 344, a second imaging lens 345, and a third imaging lens 346. According to the utility model, two condensing lenses and three imaging lenses are respectively arranged on two sides of the film lens 343, and projection light rays are converged and focused for multiple times under the action of the lens group, so that the projected image is larger, and the imaging is clearer.

Preferably, the first condensing lens 341 and the second condensing lens 342 are single-sided convex lenses with convex outer surfaces; the first imaging lens 344 is a biconvex lens; the second imaging lens 345 is a lens with convex inner surface and concave outer surface; the third imaging lens 346 is a single-sided convex lens that is convex upward.

More specifically, the rotatable turntable 32 is provided in front of the light source 31, and the lens assembly 34 is mounted on the turntable 32 and is rotatable with the turntable 32. I.e. during operation, the light source 31 is stationary and the lens assembly 34 is rotatable with the turntable 32, the projected pattern is also rotational and dynamic, so that the utility model can achieve dynamic light effects.

More specifically, the turntable 32 is provided with a mounting hole 321 facing the front of the light source 31, a detachable flexible mounting sleeve 33 is arranged in the mounting hole 321, and the lens assembly 34 is arranged in the mounting sleeve 33. Further, the mounting sleeve 33 is inserted into the mounting hole 321 from outside to inside and is in interference fit with the mounting hole 321. Preferably, the mounting sleeve 33 is a rubber sleeve.

Because the mounting sleeve 33 has flexibility, the lens assembly 34 is convenient to assemble and disassemble, the lens assembly 34 is convenient to replace, and the film lens 343 for different images is convenient to replace: when the lens assembly 34 is mounted, the lens assembly 34 is first mounted in the mounting sleeve 33 to form a whole, and then the mounting sleeve 33 is directly inserted into the mounting hole 321. And conversely, when the device is disassembled, the device is pulled outwards. The detachable structure spliced by the flexible sleeve is not easy to damage in the process of disassembly and assembly, and is not damaged after repeated disassembly and assembly, so that the detachable structure is durable. Since the mounting sleeve 33 has flexibility (of course, also has a certain elasticity), the lens assembly 34 and the mounting sleeve 33 are always firmly inserted into the mounting hole 321 when rotating, and the mounting sleeve 33 and the mounting hole 321 are in elastic contact, so that the problems of loosening, noise generation and the like are avoided. In addition, the mounting sleeve 33 has a sealing function, can prevent dust and oil, and can prevent oil smoke from dripping into the projection device 3.

More specifically, the lens assembly 34 further includes a rigid barrel 347 for mounting each lens, i.e., the barrel 347 is for mounting a fixed lens group. The lens barrel 347 is inserted into the mounting sleeve 33, that is, each lens and the lens barrel 347 are mounted in the mounting sleeve 33 to form a unit for integral assembly and disassembly.

More specifically, as shown in fig. 4, the turntable 32 is connected to a driving device 35 for driving it to rotate. Further, the driving device 35 includes a driving motor 351, and a gear pair 352 disposed between an output end of the driving motor 351 and the turntable 32. Further, the gear pair 352 includes a driving gear 3521 provided on an output shaft of the driving motor 351, and a driven gear 3522 provided on the turntable 32, and the driving gear 3521 and the driven gear 3522 are engaged with each other. The drive motor 351 is preferably a small dc motor.

Of course, it is preferable that the driven gear 3522 and the turntable 32 are integrally formed, that is, the turntable 32 is formed by the driven gear 3522 itself, and the mounting hole 321 is a shaft hole in the middle of the gear.

More specifically, as shown in fig. 1 and 2, a projection hole 11 is formed in the top of the housing 1, and the light of the projection device 3 passes through the projection hole 11 and is emitted upwards.

More specifically, as shown in fig. 1 and 2, the upper end of the mounting sleeve 33 protrudes from the projection hole 11. Of course, the upper end of the mounting sleeve 33 protrudes only a small section of the projection hole 11. The protruding distance is preferably less than one centimeter. The protruding portion is mainly for facilitating the finger to be snapped out of the mounting sleeve 33. Of course, it is preferable that the outer surface of the upper end of the mounting sleeve 33 is provided with a step.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. A range hood with projection function is characterized in that: the oil smoke sucking device comprises a lifting type shell (1), wherein a fan assembly (2) for sucking oil smoke and a projection device (3) are arranged in the shell (1); the projection device (3) comprises a light source (31) and a lens assembly (34) which are arranged in the shell (1), wherein the lens assembly (34) comprises a film lens (343), and a plurality of condensing lenses and a plurality of imaging lenses which are respectively arranged at two sides of the film lens (343); the light of the light source (31) sequentially passes through each condensing lens, the film lens (343) and each imaging lens and irradiates outside the shell (1).

2. The range hood with a projection function according to claim 1, wherein: the lens assembly (34) comprises a first condensing lens (341), a second condensing lens (342), the film lens (343), a first imaging lens (344), a second imaging lens (345) and a third imaging lens (346) from inside to outside in sequence.

3. The range hood with a projection function according to claim 1, wherein: a rotatable turntable (32) is arranged in front of the light source (31), and the lens assembly (34) is mounted on the turntable (32) and can rotate together with the turntable (32).

4. A range hood with projection function according to claim 3, wherein: the rotary table (32) is provided with a mounting hole (321) which is opposite to the front of the light source (31), a detachable flexible mounting sleeve (33) is arranged in the mounting hole (321), and the lens assembly (34) is arranged in the mounting sleeve (33).

5. The range hood with projection function according to claim 4, wherein: the mounting sleeve (33) is inserted into the mounting hole (321) from outside to inside and is in interference fit with the mounting hole (321).

6. The range hood with projection function according to claim 4, wherein: the lens assembly (34) further comprises a hard lens barrel (347) for mounting each lens, and the lens barrel (347) is inserted into the mounting sleeve (33).

7. A range hood with projection function according to claim 3, wherein: the turntable (32) is connected with a driving device (35) for driving the turntable to rotate.

8. The range hood with projection function according to claim 7, wherein: the driving device (35) comprises a driving motor (351) and a gear pair (352) arranged between the output end of the driving motor (351) and the turntable (32).

9. The range hood with projection function according to claim 4, wherein: the top of the shell (1) is provided with a projection hole (11), and light rays of the projection device (3) penetrate through the projection hole (11) and are emitted upwards.

10. The range hood with projection function according to claim 9, wherein: the upper end of the mounting sleeve (33) protrudes out of the projection hole (11).