CN211084161U

CN211084161U - Fume exhaust fan

Info

Publication number: CN211084161U
Application number: CN201920724090.7U
Authority: CN
Inventors: 梁华平; 梁之博; 刘宏亮; 关法硕; 潘叶江
Original assignee: Vatti Co Ltd
Current assignee: Vatti Co Ltd
Priority date: 2019-05-20
Filing date: 2019-05-20
Publication date: 2020-07-24
Anticipated expiration: 2029-05-20

Abstract

The utility model discloses a range hood, including organism and swing joint be in turn over the board on the organism be equipped with into the mouth on the organism, wherein still include actuating mechanism, actuating mechanism sets up on the organism and with turn over the middle part of board or near the middle part of turning over the board is connected, actuating mechanism can drive turn over the board and open or seal into the mouth. The driving mechanism is connected with the middle part of the turning plate, so that the stress supporting point of the turning plate is changed, the stress balance of the turning plate can be ensured only by one driving mechanism, the reliability of the motion structure of the turning plate is improved, the service life of the turning plate is prolonged, the assembly efficiency is improved, and the manufacturing cost is reduced.

Description

Fume exhaust fan

Technical Field

The utility model relates to a range hood technical field especially relates to a range hood.

Background

At present, range hood's on the market turns over the board structure and all adds the connecting rod in turning over board both sides in order to guarantee that its equipment back bilateral symmetry is even usually to reach and support the atress balance, avoid turning over the board closed back condition emergence that the clearance differs in both sides height, nevertheless there is following problem in this kind of structure:

1. the connecting rods on the two sides are not movable at the connecting turning plate, two screws are required to be locked, the number of the connecting rods and the screws is large, the assembly efficiency is low, the manufacturing cost is high, and one end of a screw thread is exposed, so that the attractiveness is influenced;

2. the connecting rod is all equipped with to both sides, and for reduce cost, the connecting rod of only one side is equipped with the push rod motor, and the connecting rod of opposite side is driven, turns over the board and receive the force uneven when the activity, and this can influence overall structure's life-span undoubtedly.

Disclosure of Invention

The utility model discloses aim at solving one of the problems that exist among the prior art to a certain extent at least, for this reason, the utility model provides a range hood, it only needs an actuating mechanism can guarantee to turn over board atress balanced, not only is favorable to improving the motion structure reliability and the life who turns over the board, has still improved assembly efficiency to reduce cost has been reached.

According to the range hood that provides above-mentioned, it realizes through following technical scheme:

a range hood comprises a machine body and a turning plate movably connected to the machine body, wherein a smoke inlet is formed in the machine body, the range hood further comprises a driving mechanism, the driving mechanism comprises a driving assembly and a pushing assembly, the driving assembly is fixed in the machine body and located in the middle of the machine body or near the middle of the machine body, one end of the pushing assembly is connected with the middle of the back face of the turning plate, the other end of the pushing assembly is connected with the driving assembly, and the driving assembly can drive the pushing assembly to rotate to drive the turning plate to rotate so as to open or close the smoke inlet.

In some embodiments, the pushing assembly comprises a first pushing part and a second pushing part which are hinged to each other, the other end of the first pushing part is connected with the middle of the back surface of the turning plate, and the other end of the second pushing part is connected with the driving assembly.

In some embodiments, further comprising a mounting support, the first push portion being connected to the flap through the mounting support.

In some embodiments, the mounting support further comprises a rotating shaft, the two opposite side walls of the mounting support are respectively provided with a first shaft hole and a second shaft hole, the first pushing portion is provided with a connecting hole at one end close to the turning plate, the rotating shaft penetrates through the connecting hole, and two ends of the rotating shaft are respectively inserted into the first shaft hole and the second shaft hole.

In some embodiments, the rotating shaft includes a pin shaft and a shaft position lock pin, a fixing hole is formed at one end of the pin shaft, the pin shaft is arranged in the mounting support, and one end of the pin shaft, which is far away from the fixing hole, is inserted into the second shaft hole; the shaft position lock pin sequentially penetrates through the first shaft hole and the connecting hole and then is in locking connection with the fixing hole.

In some embodiments, the shaft locking pin is provided with a limiting part extending outwards on the outer surface of one end outside the mounting support.

In some embodiments, the driving assembly includes a driver and a driving shaft disposed on the driver and extending outward, the driver is fixed in the body and close to the middle of the body, and the driving shaft is connected with the second pushing portion in a matching manner.

In some embodiments, the driver is provided with a first stopping portion and a second stopping portion extending outwards on a surface having the driving shaft, and the first stopping portion and the second stopping portion are respectively located on two sides of the driving shaft and used for limiting a rotation angle of the second pushing portion.

Compared with the prior art, the utility model discloses an at least including following beneficial effect: the utility model discloses a be connected actuating mechanism with the middle part that turns over the board, changed the atress strong point that turns over the board, only need an actuating mechanism can guarantee to turn over board atress balanced, be favorable to improving motion structural reliability and the life who turns over the board, improve assembly efficiency, reduce manufacturing cost.

Drawings

Fig. 1 is a schematic structural view of a flap connecting mechanism in embodiment 1 of the present invention;

fig. 2 is a schematic structural view of a flap connecting mechanism according to embodiment 1 of the present invention, in which a flap and a lower panel are hidden;

fig. 3 is a schematic structural view of the flanging and driving mechanism in embodiment 1 of the present invention;

fig. 4 is a schematic structural view of another view angle of the flanging and driving mechanism in embodiment 1 of the invention;

fig. 5 is a partially enlarged view of a portion a of fig. 3;

fig. 6 is an exploded view of the mounting bracket and the rotating shaft in embodiment 1 of the present invention;

fig. 7 is a partially enlarged view of a portion B in fig. 3.

Detailed Description

The present invention is illustrated by the following examples, but the present invention is not limited to these examples. To the embodiment of the present invention, modify or replace some technical features, without departing from the spirit of the present invention, it should be covered in the technical solution scope of the present invention.

As shown in fig. 1-3, a range hood comprises a body 1, a turning plate 2 and a driving mechanism 3. A smoke inlet 11 and an oil screen component 12 positioned at the smoke inlet 11 are arranged in front of the machine body 1. The upper end of the turning plate 2 is hinged on the machine body 1 and can cover the smoke inlet 11. The driving mechanism 3 is arranged on the machine body 1 and is connected with the middle part of the turning plate 2 or the middle part of the turning plate 2, and the driving mechanism 3 can drive the turning plate 2 to rotate so as to open or close the smoke inlet 11. Preferably, the driving mechanism 3 is disposed in the body 1, and one end thereof is connected to the middle of the flap 2.

The board coupling mechanism turns over of this embodiment, it is connected through the middle part with actuating mechanism 3 and turn over board 2, has changed the atress strong point that turns over board 2, only needs an actuating mechanism 3 can guarantee to turn over the both ends atress balance of board 2, not only is favorable to improving the motion structure reliability and the life that turn over board 2, can also improve assembly efficiency, reduces manufacturing cost.

As shown in fig. 3, further, the driving mechanism 3 includes a driving component 31 and a pushing component 32, the driving component 31 is fixed in the machine body 1 and located at the middle of the machine body 1 or near the middle of the machine body 1, one end of the pushing component 32 is connected with the middle of the back of the turning plate 2, and the other end is rotatably connected with the driving component 31. Therefore, the pushing assembly 32 can automatically push the turning plate 2 to rotate to open the smoke inlet 11 under the driving of the driving assembly 31, which is beneficial to improving the smoke gathering effect; or the turning plate 2 is pushed to rotate to seal the smoke inlet 11, so that the appearance attractiveness of the machine body 1 is improved.

As shown in fig. 4 to 6, in particular, the pushing assembly 32 includes a first pushing portion 321 and a second pushing portion 322 hinged to each other, an end of the first pushing portion 321 away from the second pushing portion 322 is connected to the middle of the back of the flap 2, and an end of the second pushing portion 322 away from the first pushing portion 321 is connected to the driving assembly 31.

Further, the device also comprises a mounting support 4 and a rotating shaft 5. The mounting support 4 is of a concave structure, a first shaft hole 401 and a second shaft hole 402 are respectively formed in two opposite side walls of the mounting support 4, and the bottom surface of the mounting support 4 is fixedly connected to the middle of the back surface of the turning plate 2. The first pushing portion 321 is provided with a connecting hole (not shown) at an end close to the flap 2. The rotating shaft 5 is arranged in the mounting support 4, one end of the rotating shaft passes through the connecting hole and then is inserted into the first shaft hole 401, and the other end of the rotating shaft is inserted into the second shaft hole 402, so that the first pushing part 321 is stably and reliably connected to the turning plate 2 through the matching of the mounting support 4 and the rotating shaft 5.

Specifically, the rotary shaft 5 includes a pin 51 and a shaft lock pin 52. The pin 51 has an outer diameter larger than that of the first shaft hole 401, and a fixing hole 511 having one side opened is provided at one end of the pin 51, and a support shaft 512 extending outward and capable of passing through the second shaft hole 402 is provided at the other end. A stopper 521 extending outward is formed on an outer surface of one end of the shaft lock pin 52, and a guide 522 facing the pin 51 is formed on the shaft lock pin 52 at a section adjacent to the stopper 521. During installation, the fulcrum shaft 512 of the pin shaft 51 is inserted into the second shaft hole 402 from inside to outside, and then one end of the shaft lock pin 52, which is far away from the limiting part 521, penetrates through the connecting holes of the first shaft hole 401 and the first pushing part 321 in sequence and then is matched with the fixing hole 511 for locking connection. In this embodiment, the axial locking pin 52 is an axial screw and the fixing hole 511 is a threaded hole adapted to mate with the axial screw. Therefore, the first pushing part 321 is rotatably connected to the mounting support 4 through the matching of one shaft position screw and the pin shaft 51, and the thread of the shaft position screw is effectively hidden, so that the connection part of the first pushing part 321 and the turning plate 2 is more attractive.

As shown in fig. 4 and 7, further, the driving assembly 31 includes a driver 311 and a driving shaft 312 disposed on the driver 311 and extending outward, the driver 311 is fixed in the machine body 1 and close to the middle of the machine body 1, the driving shaft 312 is connected with the second pushing portion 322 in a matching manner, so that the driver 311 can drive the second pushing portion 322 to rotate through the driving shaft 312, and the movement of the second pushing portion 322 can synchronously drive the turning plate 2 to rotate through the first pushing portion 321. In addition, the driver 311 is fixed near the middle of the inner side of the top of the machine body 1, so that the second pushing part 322 and the first pushing part 321 are integrally located in the middle of the machine body 1, and the balance of stress on two ends of the turning plate 2 is facilitated, and the rotation of the turning plate 2 is smoother and more reliable.

Preferably, the driver 311 is provided with a first stopper 3111 and a second stopper 3112 extending outwards on the surface having the driving shaft 312, and the first stopper 3111 and the second stopper 3112 are respectively located on two sides of the driving shaft 312 for limiting the rotation angle of the second pushing part 322, so that the limitation of the rotation amplitude of the second pushing part 322 can be achieved, and the movement stroke of the flap 2 can be controlled.

What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.

Claims

1. The range hood comprises a machine body (1) and a turning plate (2) movably connected to the machine body (1), wherein a smoke inlet (11) is formed in the machine body (1), and the range hood is characterized by further comprising a driving mechanism (3), the driving mechanism (3) comprises a driving component (31) and a pushing component (32), the driving component (31) is fixed in the machine body (1) and located in the middle of the machine body (1) or near the middle of the machine body (1), one end of the pushing component (32) is connected with the middle of the back of the turning plate (2), the other end of the pushing component is connected with the driving component (31), and the driving component (31) can drive the pushing component (32) to rotate to drive the turning plate (2) to rotate so as to open or close the smoke inlet (11).

2. The range hood according to claim 1, wherein the pushing assembly (32) comprises a first pushing portion (321) and a second pushing portion (322) hinged to each other, the other end of the first pushing portion (321) is connected to the middle of the back surface of the turning plate (2), and the other end of the second pushing portion (322) is connected to the driving assembly (31).

3. A range hood according to claim 2, further comprising a mounting support (4), wherein the first pushing portion (321) is connected to the turning plate (2) through the mounting support (4).

4. The range hood according to claim 3, further comprising a rotating shaft (5), wherein a first shaft hole (401) and a second shaft hole (402) are respectively formed in two opposite side walls of the mounting support (4), a connecting hole is formed in one end of the first pushing portion (321) close to the turning plate (2), the rotating shaft (5) penetrates through the connecting hole, and two ends of the rotating shaft are respectively inserted into the first shaft hole (401) and the second shaft hole (402).

5. The range hood according to claim 4, wherein the rotating shaft (5) comprises a pin shaft (51) and a shaft position lock pin (52), a fixing hole (511) is formed at one end of the pin shaft (51), the pin shaft (51) is arranged in the mounting support (4), and one end of the pin shaft, which is far away from the fixing hole (511), is inserted into the second shaft hole (402); the shaft position lock pin (52) sequentially penetrates through the first shaft hole (401) and the connecting hole and then is connected with the fixing hole (511) in a locking mode.

6. A range hood as claimed in claim 5, wherein the shaft locking pin (52) is provided with an outwardly extending limiting portion (521) at an outer surface of an end thereof located outside the mounting support (4).

7. The range hood according to claim 2, wherein the driving assembly (31) comprises a driver (311) and a driving shaft (312) disposed on the driver (311) and extending outward, the driver (311) is fixed in the machine body (1) and close to the middle of the machine body (1), and the driving shaft (312) is connected with the second pushing portion (322) in a matching manner.

8. The range hood as claimed in claim 7, wherein the driver (311) is provided with a first stopper portion (3111) and a second stopper portion (3112) extending outwards on a surface having the driving shaft (312), and the first stopper portion (3111) and the second stopper portion (3112) are respectively located on two sides of the driving shaft (312) for limiting a rotation angle of the second pushing portion (322).