CN216789309U

CN216789309U - Air valve

Info

Publication number: CN216789309U
Application number: CN202122310927.3U
Authority: CN
Inventors: 付云开; 江名松; 李昂; 余丙松; 傅海峰; 郭俊杰; 崔腾飞; 曹亚裙; 梁兵兵; 张迪
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-06-21
Anticipated expiration: 2031-09-23

Abstract

The utility model provides an air valve, include the air valve casing and locate the valve plate in the air valve casing, the air valve casing has the air intake, first air outlet and second air outlet, the valve plate can rotate to the position of opening first air outlet or second air outlet under motor drive, under first air outlet open mode, the valve plate rotates to valve plate edge and laminates mutually with the air valve casing and prevents the air current of air intake inflow and flow out from the second air outlet, under second air outlet open mode, the valve plate rotates to valve plate edge and laminates mutually with the air valve casing and prevents the air current of air intake inflow and flow out from first air outlet. This blast gate is under first air outlet open mode, and the valve plate rotates to valve plate edge and laminates mutually with the blast gate casing, and under second air outlet open mode, the valve plate rotates to valve plate edge and laminates mutually with the blast gate casing, and the air leakage prevention effect is good, in addition, adopts line surface contact between the contact site of valve plate and the blast gate casing, can prevent the dead blast gate of grease card to, it is lower to the requirement of machining precision to adopt line surface contact.

Description

Air valve

Technical Field

The utility model relates to an air valve.

Background

The kitchen is a main place for cooking, and in order to improve cooking experience, people invent various kitchen air conditioners, so that the air in the kitchen is cooled in summer, and warm air can be provided for the kitchen in winter, so that the cooking comfort level is improved. In order to improve the integration level, people invent an air-conditioning range hood, namely, an air-conditioning component is added on the basis of a range hood platform, and the air-conditioning range hood can realize all functions of the range hood and also can realize the function of an air conditioner. In order to improve the energy efficiency of an air conditioner, the air-conditioning range hood with a two-channel structure is invented, wherein one channel is a direct exhaust channel, the other channel is a heat dissipation channel, a condenser is installed in the heat dissipation channel, only when the range hood works, oil smoke is discharged through the direct exhaust channel, when the range hood and the air conditioner are simultaneously started, the oil smoke is discharged through the heat dissipation channel, and in order to switch air channels, an air valve is required to be installed in the range hood. The air valve generally comprises an air valve shell, a motor is arranged outside the air valve shell, a valve plate is arranged in the air valve shell, and an output shaft of the motor is connected with the valve plate through a rotating shaft. In the use process, air leakage is not easy to occur between the valve plate and the air valve shell, the air leakage can cause air volume loss of the range hood, oil smoke permeates other parts to influence the performance of the range hood, and extra noise can be generated. In addition, because the blast gate work is in the oil smoke environment, long-term back of using, the blast gate can be blocked to the grease accumulation, leads to the unable rotation of valve plate. In conclusion, the existing air valve structure is further improved.

SUMMERY OF THE UTILITY MODEL

The first technical problem to be solved by the present invention is to provide an air valve capable of effectively preventing air loss in view of the above-mentioned prior art.

The second technical problem to be solved by the present invention is to provide an air valve that can prevent air leakage and prevent the valve plate from being stuck.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: this blast gate, including blast gate casing and the valve plate of locating in the blast gate casing install the motor on the blast gate casing, the blast gate casing has air intake, first air outlet and second air outlet under the drive of motor, the valve plate can rotate to the position of opening first air outlet or second air outlet, its characterized in that: under the first air outlet open mode, the valve plate rotates to the valve plate edge and laminates mutually with the blast gate casing and prevents that the air current that the air intake flows in from the second air outlet outflow, under the second air outlet open mode, the valve plate rotates to the valve plate edge and laminates mutually with the blast gate casing and prevents that the air current that the air intake flows in from first air outlet outflow.

Preferably, the valve plate is suspended in the air valve housing in a state that the air valve is not operated. Therefore, the lower edge of the valve plate is not contacted with the inner wall of the air valve shell, and the air valve is prevented from being stuck by grease.

Preferably, the bottom of blast gate casing is located to the air intake, the lateral part of blast gate casing is located to first air outlet, the top of blast gate casing is located to the second air outlet the pivoted pivot under motor drive is installed on the upper portion of blast gate casing, the upper portion of valve plate is fixed in the pivot, under motor drive, the valve plate rotates downwards to vertical position and laminates mutually with the blast gate casing and close first air outlet, and the valve plate upwards rotates to laminate mutually with the inner wall of blast gate casing and closes the second air outlet. Like this, under motor drive, through the up-and-down rotation of valve plate can open first air outlet or second air outlet.

Further preferably, in a state that the second air outlet is closed, the valve plate is in an inclined position, and a rotation angle of the valve plate from a vertical position to the inclined position is an acute angle.

In order to improve the structural strength of the valve plate, the edge of the valve plate is formed with a flanging.

Preferably, the valve plate is square, the flanges of the valve plate are folded towards the same side of the valve plate, and the lower flange at the bottom of the valve plate, the left flange at the left side of the valve plate and the right flange at the right side of the valve plate form a contact part for being attached to the air valve shell. Like this, the turn-ups has not only improved the structural strength of valve plate, can also play the effect of leak protection wind.

In order to improve the air leakage prevention effect, the contact part of the valve plate is in surface-to-surface contact with the air valve shell.

The technical scheme adopted by the utility model for solving the second technical problem is as follows: and the contact part of the valve plate is in line-surface contact with the air valve shell. Because grease viscosity is great, adopt line face contact can prevent that the grease from blocking the blast gate to, adopt line face contact to lower to the requirement of machining precision.

Preferably, the lower edge, the left edge and the right edge of the first air outlet are formed with a resisting part, and under the closing state of the first air outlet, the resisting part is propped against the corresponding side flanging of the valve plate to form line-surface contact.

Preferably, the contact surface of the blocking part is an arc surface, the contact surface of the corresponding side flanging of the valve plate is a plane, and the line surface contact is formed between the arc surface and the plane. Like this, when first air outlet was closed, can avoid the air current to outwards flow from first air outlet.

Preferably, an inclined stopping portion which is obliquely arranged relative to the vertical plane is formed on the left inner side wall and the right inner side wall of the air valve shell, and the inclined stopping portion abuts against a corresponding side flanging of the valve plate and forms line-surface contact when the second air outlet is in a closed state.

Preferably, the contact surface of the inclined stopping portion is an arc surface, the contact surfaces of the left flanging and the right flanging of the valve plate are planes, and the arc surface is in line-surface contact with the planes. And when the second air outlet is closed, the air flow can be prevented from flowing out from the second air outlet.

The motor has multiple mounting structure, preferably the motor support is installed in the outside of blast gate casing, the motor is installed the outside of motor support, the outer end of pivot is installed on the output shaft of motor, the inner end and the valve plate of pivot are connected fixedly.

Compared with the prior art, the utility model has the advantages that: this blast gate is under first air outlet open mode, the valve plate rotates to valve plate edge and air valve casing and laminates mutually and prevents the air current that the air intake flowed in from the second air outlet outflow, under second air outlet open mode, the valve plate rotates to valve plate edge and air valve casing and laminates mutually and prevent the air current that the air intake flowed in from first air outlet outflow, can effectively prevent the loss of amount of wind and noise reduction, in addition, adopt line face contact between the contact site of valve plate and the air valve casing, can prevent the dead blast gate of grease card, and, adopt line face contact to be lower to machining precision's requirement.

Drawings

Fig. 1 is a schematic structural view of a first outlet in a closed state according to an embodiment of the present invention;

FIG. 2 is a schematic view of the structure of FIG. 1 from another angle;

FIG. 3 is a schematic view of a valve plate according to an embodiment of the present invention;

fig. 4 is a cross-sectional view of the first outlet in a closed state according to an embodiment of the present invention;

FIG. 5 is an enlarged view of portion A of FIG. 4;

fig. 6 is a cross-sectional view of the structure in the state where the second outlet is closed according to the first embodiment of the present invention;

FIG. 7 is a cross-sectional view of the structure of FIG. 6 at another angle;

FIG. 8 is an enlarged view of portion B of FIG. 7;

FIG. 9 is a sectional view of the structure of the damper in an unused state according to the first embodiment of the present invention;

fig. 10 is a structural sectional view of the second outlet according to the second embodiment of the present invention in a closed state;

FIG. 11 is an enlarged view of portion C of FIG. 10;

fig. 12 is a sectional view of the second outlet according to the second embodiment of the present invention in a closed state;

fig. 13 is an enlarged schematic view of portion D of fig. 12.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

The first embodiment is as follows:

as shown in fig. 1 to 8, the air valve of the present embodiment includes main components such as an air valve housing 1, a valve plate 2, a motor 3, a rotating shaft 4, and a motor bracket 5. Wherein, inside the valve plate 2 located blast gate casing 1, motor support 5 installed on the lateral wall of blast gate casing 1, motor 3 installs the outside at motor support 5. The upper portion of blast gate casing 1 is located to pivot 4, and blast gate casing 1 is passed in pivot 4, and the outer end of pivot 4 is installed on the output shaft of motor 3, and the inner end of pivot 4 is connected fixedly with the upper portion of valve plate 2.

The air valve shell 1 is of a square structure, an air inlet 11 is formed in the bottom of the air valve shell 1, a first air outlet 12 is formed in the side portion of the air valve shell 1, and a second air outlet 13 is formed in the top of the air valve shell 1. As shown in fig. 3, when the valve plate 2 is driven by the motor 3 to rotate downward to the vertical position, the first air outlet 12 is closed, the second air outlet 13 is opened, and at this time, the edge of the valve plate 2 is attached to the air valve housing 1, so as to prevent the air flow flowing in from the air inlet 11 from flowing out of the first air outlet 12. As shown in fig. 6, when the valve plate 2 rotates upward to an inclined position, the first air outlet 12 is opened, the second air outlet 13 is closed, and at this time, the edge of the valve plate 2 is attached to the inner wall of the air valve housing 1, so as to prevent the air flow flowing in from the air inlet 11 from flowing out from the second air outlet 13. Moreover, the rotation angle of the valve plate 2 from the vertical position to the inclined position is an acute angle, that is, the included angle between the valve plate 2 and the vertical plane is an acute angle in the state that the first air outlet 12 is opened and the second air outlet 13 is closed.

As shown in FIG. 3, the valve plate 2 of the present embodiment is square, and the edge of the valve plate 2 is formed with a flange, which is beneficial to improving the structural strength of the valve plate 2. The flanging of the valve plate 2 is turned towards the same side of the valve plate 2, and the lower flanging 21 at the bottom of the valve plate 2, the left flanging 22 at the left side of the valve plate and the right flanging 23 at the right side of the valve plate form a contact part for being attached to the air valve shell 1. Under the first air outlet 12 closure state and the closure state of second air outlet 13, the contact site of valve plate 2 contacts with blast gate casing 1, can effectively prevent the loss of amount of wind, realizes the effect of leaking out, and does benefit to the noise abatement. In this embodiment, the contact portion and the air valve housing 1 are in surface-to-surface contact, and the air leakage prevention effect is good due to the surface-to-surface contact.

As shown in fig. 9, in a static state, that is, when the air valve is not in operation, the valve plate 2 is suspended in the air valve housing 1, and the lower edge of the valve plate 2 does not contact with the inner wall of the air valve housing 1, so that grease is prevented from sticking to the valve plate 2.

The second embodiment:

the contact portion of the valve plate 2 of the present embodiment is in line-surface contact with the air valve housing 1. The rest of the structure of the present embodiment is the same as that of the first embodiment, and will not be described herein.

As shown in fig. 10 and 11, the lower edge, the left edge and the right edge of the first air outlet 12 are formed with the blocking portion 14, the contact surface of the blocking portion 14 is an arc surface, the contact surface of the corresponding side flanging of the valve plate 2 is a plane, and in the closed state of the first air outlet 12, the blocking portion 14 abuts against the corresponding side flanging of the valve plate 2 and forms line-surface contact.

As shown in fig. 12 and 13, an inclined stopping portion 15 inclined with respect to a vertical plane is formed on the left inner side wall and the right inner side wall of the air valve housing 1, a contact surface of the inclined stopping portion 15 is an arc-shaped surface, contact surfaces of a left turned-over edge 22 and a right turned-over edge 23 of the valve plate 2 are planes, and in a state that the second air outlet 13 is closed, the inclined stopping portion 15 abuts against a corresponding side turned-over edge of the valve plate 2 and forms line-surface contact.

The air valve is generally applied to an air-conditioning range hood and used for air duct switching. Because the oil smoke can pass through the blast gate, grease viscosity is great, adopts line surface contact between valve plate 2 and the blast gate casing 1, can prevent that the blast gate is dead to the grease card to, it is lower to adopt the requirement of line surface contact to machining precision.

Claims

1. The utility model provides an air valve, includes air valve casing (1) and locates valve plate (2) in the air valve casing install motor (3) on the air valve casing (1), air valve casing (1) has air intake (11), first air outlet (12) and second air outlet (13) under the drive of motor (3), valve plate (2) can rotate to the position of opening first air outlet (12) or second air outlet (13), its characterized in that: under the open state of first air outlet (12), valve plate (2) rotate to valve plate edge and air valve casing (1) laminating mutually and prevent that the air current that air intake (11) flowed in from second air outlet (13) flow, under second air outlet (13) open state, valve plate (2) rotate to valve plate edge and air valve casing (1) laminating mutually and prevent that the air current that air intake (11) flowed in from first air outlet (12) flow.

2. The damper of claim 1, wherein: and under the condition that the air valve does not work, the valve plate (2) is suspended in the air valve shell (1).

3. The damper of claim 1, wherein: the bottom of blast gate casing (1) is located in air intake (11), the lateral part of blast gate casing (1) is located in first air outlet (12), the top of blast gate casing (1) is located in second air outlet (13) pivot (4) pivoted under motor (3) drive are installed on the upper portion of blast gate casing (1), the upper portion of valve plate (2) is fixed in pivot (4), under motor (3) drive, valve plate (2) are rotated downwards and are laminated with the blast gate casing to vertical position and close first air outlet (12), and valve plate (2) upwards rotate to laminate mutually with the inner wall of blast gate casing (1) and close second air outlet (13).

4. The damper of claim 3, wherein: and when the second air outlet (13) is closed, the valve plate (2) is in an inclined position, and the rotating angle of the valve plate (2) from the vertical position to the inclined position is an acute angle.

5. The damper of claim 3, wherein: and a flanging is formed at the edge of the valve plate (2).

6. The damper of claim 5, wherein: the valve plate (2) is square, the flanging of the valve plate (2) is turned over towards the same side of the valve plate, and the lower flanging (21) at the bottom of the valve plate, the left flanging (22) at the left side part of the valve plate and the right flanging (23) at the right side part of the valve plate form a contact part for being attached to the air valve shell (1).

7. The damper of claim 6, wherein: the contact part of the valve plate (2) is in surface-to-surface contact with the air valve shell (1).

8. The damper of claim 6, wherein: and the contact part of the valve plate (2) is in line-surface contact with the air valve shell (1).

9. The damper of claim 8, wherein: the lower edge, the left edge and the right edge of the first air outlet (12) are provided with resisting parts (14), and the resisting parts (14) are abutted against corresponding side flanges of the valve plate (2) to form line-surface contact when the first air outlet (12) is closed.

10. The damper of claim 9, wherein: the contact surface of the blocking part (14) is an arc-shaped surface, the contact surface of the corresponding side flanging of the valve plate (2) is a plane, and the arc-shaped surface and the plane form line-surface contact.

11. The damper of claim 8, wherein: an inclined stopping portion (15) which is obliquely arranged relative to the vertical plane is formed on the left inner side wall and the right inner side wall of the air valve shell (1), and the inclined stopping portion (15) is abutted to a corresponding side flanging of the valve plate (2) to form line-surface contact under the closing state of the second air outlet (13).

12. The damper of claim 11, wherein: the contact surface of the inclined stopping portion (15) is an arc-shaped surface, the contact surfaces of the left flanging and the right flanging of the valve plate (2) are planes, and the arc-shaped surface is in line-surface contact with the planes.

13. The damper according to any one of claims 3 to 12, wherein: motor support (5) are installed in the outside of blast gate casing (1), install motor (3) the outside of motor support (5), install the outer end of pivot (4) on the output shaft of motor (3), the inner end and the valve plate (2) of pivot (4) are connected fixedly.