CN212774822U

CN212774822U - Low-noise exhaust fan for kitchen

Info

Publication number: CN212774822U
Application number: CN202021645502.7U
Authority: CN
Inventors: 邓喜和
Original assignee: Changsha Zhongheng Kitchenware Equipment Co ltd
Current assignee: Changsha Zhongheng Kitchenware Equipment Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-03-23
Anticipated expiration: 2030-08-10

Abstract

The utility model discloses a kitchen use low noise fan of airing exhaust, including the device shell, the inner fixedly connected with shell of device shell, a plurality of damping spring of inner fixedly connected with of shell, a plurality of damping spring keep away from shell one end fixed connection organic inner shell, the fixed sound baffle that inhales that is provided with of inner shell inner wall, inner shell one side fixedly connected with cross pin, cross pin middle part one side fixedly connected with motor, motor rotation end fixedly connected with fan, the fixed cover of cross pin one side inner wall is kept away from to the shell is equipped with the first shock attenuation lantern ring, the fixed cover of first shock attenuation lantern ring one side is kept away from to the shell is equipped with the circular baffle, the pot head is equipped with the second shock attenuation lantern ring in the circular baffle. The utility model discloses a low noise air exhaust fan for kitchen, this fan has the characteristics that the noise is little that use.

Description

Low-noise exhaust fan for kitchen

Technical Field

The utility model relates to a kitchen use fan field of airing exhaust especially relates to a kitchen use low noise fan of airing exhaust.

Background

The exhaust fan achieves the ventilation effect by exhausting air indoors or outdoors. The flowing of air around human body can promote the evaporation of body fluid, and the exhaust fan has the function of natural cooling, thus avoiding the uncomfortable reaction caused by poor ventilation such as sultry, peculiar smell, dust, oil smoke and the like.

Some current kitchen use air exhaust fan can not be fine when using solve noise scheduling problem, produce comparatively not good experience for the user.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a kitchen low-noise exhaust fan.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a low-noise exhaust fan for kitchens comprises a device shell, wherein the inner end of the device shell is fixedly connected with a shell, the inner end of the shell is fixedly connected with a plurality of damping springs, one end of the plurality of damping springs, which is far away from the shell, is fixedly connected with an inner shell, the inner wall of the inner shell is fixedly provided with a sound-absorbing partition plate, one side of the inner shell is fixedly connected with a cross stop lever, one side of the middle part of the cross stop lever is fixedly connected with a motor, the rotating end of the motor is fixedly connected with a fan, the inner wall of the shell, which is far away from the cross stop lever, is fixedly sleeved with a first damping lantern ring, one side of the shell, which is far away from the first damping lantern ring, is fixedly sleeved with a circular baffle, the inner end of the circular baffle is sleeved with a, inhale the sound baffle and keep away from two shock attenuation bracing pieces of fixedly connected with on the inner wall of first shock attenuation lantern ring one side, the equal fixedly connected with semicircle backup pad of two shock attenuation bracing piece up end, two semicircle backup pad up ends are laminated respectively under the motor on the terminal surface both sides.

As a further description of the above technical solution:

and four corners of the lower end surface of the device shell are fixedly provided with supporting shock absorption blocks.

As a further description of the above technical solution:

the first shock absorption sleeve ring, the second shock absorption sleeve ring and the support shock absorption block are all made of rubber materials.

As a further description of the above technical solution:

the damping springs are arranged in a circular array at an angle of 60 degrees by taking the center of the fan as a dot.

As a further description of the above technical solution:

the sound-absorbing partition plate is made of a sound-absorbing material.

As a further description of the above technical solution:

the central line of the fan is superposed with the central line of the front end surface of the device shell.

The utility model discloses following beneficial effect has:

compared with the existing kitchen fan device, the device reduces the noise problem caused by airflow flowing and motor vibration when the fan works by adopting measures such as connecting the damping spring between the inner shell and the outer shell.

Drawings

Fig. 1 is a front view of a low noise exhaust fan for kitchen according to the present invention;

fig. 2 is a schematic view of the internal structure of the device shell of the low-noise exhaust fan for kitchen according to the present invention;

fig. 3 is a schematic side view of the internal structure of the device casing of the low-noise exhaust fan for kitchen according to the present invention;

fig. 4 is a schematic structural view of a rear cover of a low-noise exhaust fan for kitchen according to the present invention;

fig. 5 is a schematic view of a rear view structure of a cross bar of the low-noise exhaust fan for kitchen according to the present invention;

fig. 6 is the schematic view of the internal structure of the damping support rod (14) of the low-noise exhaust fan for kitchen.

Illustration of the drawings:

1. a device housing; 2. a housing; 3. a damping spring; 4. an inner housing; 5. a sound-absorbing partition plate; 6. a motor; 7. a fan; 8. a first damping collar; 9. a round baffle plate; 10. a second damping collar; 11. a cross bar; 12. a rear cover; 13. supporting the shock-absorbing block; 14. a shock-absorbing support rod; 15. a semi-circular arc support plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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", "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; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated 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; can be mechanically or electrically 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.

Referring to fig. 1-6, the present invention provides an embodiment: a low-noise exhaust fan for kitchen comprises a device shell 1, wherein the inner end of the device shell 1 is fixedly connected with a shell 2, the inner end of the shell 2 is fixedly connected with a plurality of damping springs 3, one ends of the damping springs 3, far away from the shell 2, are fixedly connected with an inner shell 4, the inner wall of the inner shell 4 is fixedly provided with a sound-absorbing baffle plate 5, one side of the inner shell 4 is fixedly connected with a cross-shaped stop lever 11, one side of the middle part of the cross-shaped stop lever 11 is fixedly connected with a motor 6, the rotating end of the motor 6 is fixedly connected with a fan 7, the inner wall of the shell 2, far away from the cross-shaped stop lever 11, is fixedly sleeved with a first damping lantern ring 8, one side of the shell 2, far away from the first damping lantern ring 8, is fixedly sleeved with a circular baffle plate 9, the inner end of the circular baffle plate 9 is sleeved with a second, the second damping lantern ring 10 is kept away from 8 one side outer walls of first damping lantern ring and is provided with back lid 12, back lid 12 is fixed nestification on 1 curb plate of device shell, inhale sound baffle 5 and keep away from two damping support rods 14 of fixedly connected with on the inner wall of 8 one side of first damping lantern ring, two equal fixedly connected with semicircle backup pads 15 of damping support rod 14 up end, two 15 up ends of semicircle backup pads are laminated respectively on the terminal surface both sides under motor 6, support the motor 6 that the rear end is fixed on cross pin 11 through semicircle backup pad 15.

All fixed being provided with of terminal surface four corners department under device shell 1 supports snubber block 13, reduce the vibrations range of device shell 1 during operation through supporting snubber block 13, first snubber sleeve ring 8, second snubber sleeve ring 10 and support snubber block 13 and constitute by rubber materials, rubber materials' snubber block supports nature better, a plurality of snubber springs 3 use fan 7 center to be the circular array setting of 60 jiaos as the dot, the vibrations range that makes the machine inner shell 4 produce like this can be better shares by snubber spring 3, inhale sound baffle 5 and constitute by sound-absorbing material, terminal surface central line coincidence before fan 7 central line and device shell 1, make the device be in a wind flow direction horizontally state under operating condition.

The working principle is as follows: when the device is used, the motor 6 drives the fan 7 to rotate, so that air flow enters the inner shell 4 through the rear cover 12 and finally blows from the front end of the device outer shell 1, in the process, due to the movement of the air flow, the movement of the motor 6 and the rotation of the fan 7 can generate vibration, at the moment, part of the vibration can be counteracted by the shock absorption supporting rod 14, the part of energy counteracted by the shock absorption supporting rod 14 and the part of energy conducted by the shock of the motor 6 through the cross stop lever 11 can be acted on the inner shell 4, the shock of the inner shell 4 can be counteracted by most of the energy through the shock absorption spring 3, and a little sound generated by the shock can be absorbed by the sound absorption partition plate 5, so that the purpose of low-noise operation is achieved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a kitchen use low noise fan of airing exhaust, includes device shell (1), its characterized in that: the device comprises a device shell (1), an inner end fixedly connected with shell (2), an inner end fixedly connected with a plurality of damping springs (3) of the shell (2), a plurality of damping springs (3) far away from the inner shell (4) of the shell (2), an inner wall of the inner shell (4) is fixedly provided with a sound-absorbing partition plate (5), one side of the inner shell (4) is fixedly connected with a cross stop lever (11), one side of the middle part of the cross stop lever (11) is fixedly connected with a motor (6), a rotating end fixedly connected with a fan (7) of the motor (6), one side of the inner wall of the outer shell (2) far away from the cross stop lever (11) is fixedly sleeved with a first damping sleeve ring (8), one side of the outer shell (2) far away from the first damping sleeve ring (8) is fixedly sleeved with a circular baffle (9), and the inner end of, keep away from first shock attenuation lantern ring (8) one side outer wall department in second shock attenuation lantern ring (10) and be provided with back lid (12), the fixed nestification of back lid (12) is on device shell (1) curb plate, inhale sound baffle (5) and keep away from two shock attenuation bracing pieces (14) of fixedly connected with on the inner wall of first shock attenuation lantern ring (8) one side, two equal fixedly connected with semicircle backup pads (15) of shock attenuation bracing piece (14) up end, laminate respectively on motor (6) lower terminal surface both sides two semicircle backup pads (15) up end.

2. The low-noise exhaust fan for kitchen use according to claim 1, wherein: the four corners of the lower end face of the device shell (1) are fixedly provided with supporting shock absorption blocks (13).

3. The low-noise exhaust fan for kitchen use according to claim 1, wherein: the first shock absorption sleeve ring (8), the second shock absorption sleeve ring (10) and the support shock absorption block (13) are all made of rubber materials.

4. The low-noise exhaust fan for kitchen use according to claim 1, wherein: the damping springs (3) are arranged in a circular array at an angle of 60 degrees by taking the center of the fan (7) as a circular point.

5. The low-noise exhaust fan for kitchen use according to claim 1, wherein: the sound-absorbing partition plate (5) is made of a sound-absorbing material.

6. The low-noise exhaust fan for kitchen use according to claim 1, wherein: the central line of the fan (7) is superposed with the central line of the front end surface of the device shell (1).