CN104764270B - A kind of wind cooling refrigerator and its air door - Google Patents

Abstract

The present invention provides a kind of wind cooling refrigerator and its air door, wherein, the air door of wind cooling refrigerator includes：The cover board of ventilation hole can be closed and opened to air door body with ventilation hole；Wherein, cover board is connected with the slip of air door body, and the edge of ventilation hole is plane on air door body, and cover board is plane for the medial surface in enclosed ventilation hole；The air door of wind cooling refrigerator further includes the driving part for being connected with cover board and cover board being driven to slide.Using the cover board being connected with the slip of air door body, premise is provided for planar structure enclosed ventilation hole for the air door of wind cooling refrigerator provided by the invention；Simultaneously, the edge of ventilation hole is plane on air door body, cover board is plane for the medial surface in enclosed ventilation hole, it is achieved thereby that using planar structure enclosed ventilation hole, the prior art is compared, air door body and the more difficult ponding of cover board, then is reduced the dead probability of cover board ice, so as to reduce the probability that air door can not be opened, the influence to controlling wind cooling refrigerator compartment temperature is thereby reduced.

Description

An air-cooled refrigerator and its damper

technical field

The invention relates to the technical field of air-cooled refrigerator manufacturing, and more specifically, relates to an air-cooled refrigerator and a damper thereof.

Background technique

Air-cooled refrigerators are gradually being widely used due to their advantages such as no frosting and uniform freezing. In an air-cooled refrigerator, the damper is an important part, and the damper is used to control the air volume of each compartment to control the temperature of the refrigerator compartment.

At present, the damper structure adopts a rotating structure. As shown in Figure 1, the damper includes: a damper body 12, a cover plate 11 rotatably arranged on the damper body 12; 11. The ventilation hole 121 can be closed, or the ventilation hole 121 can be exposed to realize ventilation. Since the cover plate 11 is rotated, in order to realize the sealing between the cover plate 11 and the damper body 12 , a flange 122 needs to be provided on the edge of the ventilation hole 121 .

Since the damper is at the junction of hot and cold air, condensation often occurs, and a groove is formed between the flange 122 on the edge of the ventilation hole 121 and the damper body 12, and it is easier to accumulate condensed water, and the condensed water will condense, which is easier The cover plate 11 is frozen to death, causing the damper to fail to open, which affects the control of the temperature of the air-cooled refrigerator compartment.

To sum up, how to reduce the probability that the damper cannot be opened so as to reduce the influence on the temperature control of the compartment of the air-cooled refrigerator is an urgent problem to be solved by those skilled in the art.

Contents of the invention

The purpose of the present invention is to provide a damper of an air-cooled refrigerator, which reduces the probability that the damper cannot be opened, so as to reduce the influence on the temperature control of the compartment of the air-cooled refrigerator.

In order to achieve the above object, the present invention provides the following technical solutions:

A damper for an air-cooled refrigerator, comprising: a damper body with a ventilation hole, and a cover plate capable of closing and opening the ventilation hole; wherein,

The cover plate is slidably connected to the damper body, the edge of the ventilation hole on the damper body is a plane, and the inner surface of the cover plate for closing the ventilation hole is a plane;

The air door of the air-cooled refrigerator further includes: a driving part connected with the cover plate and driving the cover plate to slide.

Preferably, in the damper of the above-mentioned air-cooled refrigerator, the cover plate is slidably connected to the damper body through a rack and pinion mechanism.

Preferably, in the damper of the above-mentioned air-cooled refrigerator, the rack and pinion mechanism includes: a rack arranged on the outer surface of the cover plate, and a gear meshed with the rack; wherein, the gear is connected to the drive The components are connected by transmission.

Preferably, in the damper of the above-mentioned air-cooled refrigerator, the rack and the cover plate are integrally constructed.

Preferably, in the damper of the above-mentioned air-cooled refrigerator, the ventilation hole is rectangular, and the length direction of the rack is parallel to the width direction of the ventilation hole.

Preferably, in the damper of the above-mentioned air-cooled refrigerator, guide plates are provided at both ends of the damper body, and guide grooves are provided at both ends of the cover plate to cooperate with the guide plates.

Preferably, in the damper of the above-mentioned air-cooled refrigerator, the damper body is provided with: a first positioning member for positioning the cover at a first preset position, and the first preset position is where the cover is closed. location of the ventilation holes.

Preferably, in the damper of the above-mentioned air-cooled refrigerator, the first positioning member is an elastic buckle, and the elastic buckle and the damper body form a slot for positioning the cover plate.

Preferably, the damper of the above-mentioned air-cooled refrigerator also includes:

a first metal contact piece disposed on the end surface of the cover plate;

a second metal contact piece disposed on the inner side of the cover;

a first contact switch arranged on the damper body and capable of contacting the first metal contact piece and sending a first signal;

a second contact switch arranged on the damper body and capable of contacting the second metal contact piece and sending a second signal;

Wherein, the driving component is specifically: a motor connected to the first contact switch and the second contact switch, and stops running after receiving the first signal or the second signal.

Based on the damper of the air-cooled refrigerator provided above, the present invention also provides an air-cooled refrigerator, which has the damper of any one of the above-mentioned air-cooled refrigerators.

The working principle of the damper of the air-cooled refrigerator provided by the present invention is: when the ventilation hole needs to be opened, the driving part drives the cover plate to slide, so that the cover plate is away from the ventilation hole, that is, the ventilation hole is opened; when the ventilation hole needs to be closed, the driving part drives The cover plate slides in reverse, so that the cover plate covers the ventilation hole, that is, the ventilation hole is closed.

The damper of the air-cooled refrigerator provided by the present invention adopts a cover plate that is slidably connected with the damper body, which provides a premise for the plane structure to close the ventilation hole; at the same time, the edge of the ventilation hole on the damper body is a plane, and the cover plate is used to close the ventilation hole. The inner surface is flat, so that the ventilation hole can be closed with a flat structure. Compared with the existing technology, the flat structure is more difficult to accumulate water, which reduces the probability of condensed water condensation on the damper, that is, reduces the probability of freezing the cover plate. Thereby, the probability that the damper cannot be opened is reduced, thereby reducing the influence on controlling the temperature of the compartment of the air-cooled refrigerator.

At the same time, the air door of the air-cooled refrigerator provided by the present invention adopts a cover plate that is slidably connected with the air door body. Compared with the rotation setting of the cover plate in the prior art, the space required for the cover plate to be opened is small, thereby effectively reducing the air flow. The space required by the air door of the cold refrigerator increases the effective volume of the air-cooled refrigerator; at the same time, it can overcome the structural limitations of some air-cooled refrigerators and meet the needs of some special air duct structures.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the structural representation of the damper of the air-cooled refrigerator that prior art provides;

Fig. 2 is the A-A direction sectional view of Fig. 1;

Fig. 3 is a structural schematic diagram of an air-cooled refrigerator provided in an embodiment of the present invention when the damper is in a closed state;

Fig. 4 is a sectional view of the damper of the air-cooled refrigerator in Fig. 3;

Fig. 5 is a schematic structural diagram of an air-cooled refrigerator provided by an embodiment of the present invention when the damper is in an open state.

In Figure 1-5 above:

11 is a cover plate, 12 is a damper body, 121 is a ventilation hole, 122 is a flange, 21 is a damper body, 211 is a first positioning member, 212 is a guide plate, 213 is a ventilation hole, 22 is a cover plate, and 221 is a guide Groove, 23 are racks, 24 are gears, 25 are driving components, and 26 are second contact switches.

Detailed ways

The embodiment of the present invention provides a damper of an air-cooled refrigerator, which reduces the probability that the damper cannot be opened, and further reduces the influence on the temperature control of the compartment of the air-cooled refrigerator.

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

The damper of the air-cooled refrigerator provided by the embodiment of the present invention includes: a damper body 21 having a ventilation hole 213, and a cover plate 22 capable of closing and opening the ventilation hole 213; The edge of the upper ventilation hole 213 is a plane, and the inner surface of the cover plate 22 for closing the ventilation hole 213 is a plane;

It should be noted that the cover plate 22 is slidably connected with the damper body 21 to realize closing and opening of the air hole 213 . The cover plate 22 can slide on the damper body 21. When the cover plate 22 slides in one direction, the ventilation hole 213 is opened, and when the cover plate 22 slides in the opposite direction, the ventilation hole 213 is closed. The embodiment of the present invention does not limit the sliding direction of the cover plate 22 , as long as the cover plate 22 can close the ventilation hole 213 and open the ventilation hole 213 . The inner side of the cover plate 22 refers to the side of the cover plate 22 facing the ventilation hole 213 when the cover plate 22 closes the ventilation hole 213, and the outer side of the cover plate 22 refers to that the cover plate 22 is away from the ventilation hole when the cover plate 22 closes the ventilation hole 213 213 side. Wherein, the driving component 25 is arranged on the damper body 21 .

The working principle of the damper of the air-cooled refrigerator provided in the embodiment of the present invention is: when the ventilation hole 213 needs to be opened, the driving part 25 drives the cover plate 22 to slide, so that the cover plate 22 is far away from the ventilation hole 213, that is, the ventilation hole 213 is opened; When closing the ventilation hole 213 , the driving part 25 drives the cover plate 22 to slide in reverse, so that the cover plate 22 covers the ventilation hole 213 , that is, the ventilation hole 213 is closed.

The damper of the air-cooled refrigerator provided in the embodiment of the present invention adopts the cover plate 22 that is slidably connected with the damper body 21, which provides a premise for the planar structure to close the ventilation hole 213; meanwhile, the edge of the ventilation hole 213 on the damper body 21 is a plane, and the cover The inner surface of the plate 22 used to close the ventilation hole 213 is a plane, thereby realizing the sealing of the ventilation hole 213 with a plane structure. Compared with the prior art, the plane structure is difficult to accumulate water, which reduces the probability of condensed water condensation in the damper, that is, The probability of freezing the cover plate 22 to death is reduced, thereby reducing the probability of the damper being unable to open, thereby reducing the influence on the temperature control of the compartment of the air-cooled refrigerator.

At the same time, the damper of the air-cooled refrigerator provided by the embodiment of the present invention adopts the cover plate 22 slidingly connected with the damper body 21. Compared with the prior art cover plate rotation setting, the space required for the cover plate 22 to be opened is small, thereby effectively The space required by the air door of the air-cooled refrigerator is reduced, thereby increasing the effective volume of the air-cooled refrigerator; meanwhile, it can overcome the structural limitations of some air-cooled refrigerators and meet the requirements of some special air duct structures.

Preferably, in the damper of the air-cooled refrigerator provided in the above embodiment, the driving component 25 may be a motor or a cylinder. For the convenience of setting, it is preferred to select the driving component 25 as a motor. The motor can be a stepper motor or an ordinary motor. In order to save costs, an ordinary motor is preferred.

In the damper of the air-cooled refrigerator provided in the above embodiments, there are many ways to realize the sliding connection between the cover plate 22 and the damper body 21 . Preferably, the cover plate 22 is slidably connected to the damper body 21 through a rack and pinion mechanism. Specifically, the rack-and-pinion mechanism includes: a rack 23 disposed on the outer surface of the cover plate 22 , and a gear 24 meshing with the rack 23 ; wherein, the driving component 25 is in transmission connection with the gear 24 . Wherein, the rack 23 can also be connected with the end surface of the cover plate 22 , as long as the cover plate 22 can slide. In the damper of the above-mentioned air-cooled refrigerator, the cover plate 22 and the damper body 21 can also be selected to be slidably connected to each other through a screw mechanism. This embodiment of the present invention does not specifically limit it.

Preferably, in the damper of the air-cooled refrigerator provided in the above embodiments, the rack 23 and the cover plate 22 are integrally structured. In this way, the installation of the damper of the air-cooled refrigerator is simplified and the use is convenient.

In order to reduce the volume of the damper of the air-cooled refrigerator, in the damper of the air-cooled refrigerator provided in the above embodiment, the vent hole 213 is rectangular, and the length direction of the rack 23 is parallel to the width direction of the vent hole 213 . In this way, the cover plate 22 can slide along the width direction of the ventilation hole 213, which can effectively reduce the sliding distance of the cover plate 22, thereby effectively reducing the volume of the damper of the air-cooled refrigerator, and then can increase the effective capacity of the air-cooled refrigerator. volume. Of course, other shapes may also be selected for the ventilation hole 213, which is not specifically limited in this embodiment of the present invention.

In order to facilitate the sliding of the cover plate 22 , in the damper of the air-cooled refrigerator provided in the above embodiment, both ends of the damper body 21 are provided with guide plates 212 , and both ends of the cover plate 22 are provided with guide grooves 221 cooperating with the guide plate 212 . In this way, when the cover plate 22 slides, the guide groove 221 slides along the guide plate 212 , and the guide groove 221 and the guide plate 212 work together to guide the cover plate 22 and ensure the stable sliding of the cover plate 22 . Certainly, a guide member may also be provided on the cover plate 22 , and a guide groove cooperating with the guide member may be provided on the damper body 21 , which is not specifically limited in this embodiment of the present invention.

Preferably, in the damper of the air-cooled refrigerator provided in the above embodiment, the damper body 21 is provided with: a first positioning member 211 for positioning the cover plate 22 at a first preset position, and the first preset position is for the cover plate 22 to be closed and ventilated The location of hole 213. In this way, when the cover plate 22 moves to the first preset position, the first positioning member 211 realizes the positioning of the cover plate 22, which effectively ensures that the cover plate 22 can more accurately close the ventilation hole 213, and prevents the cover plate 22 from slipping. Pass.

In the damper of the air-cooled refrigerator provided in the above embodiment, the damper body 21 is also provided with: a second positioning member for positioning the cover plate 22 at a second preset position, and the second preset position is for the cover plate 22 to open the ventilation hole 213 s position. In this way, it is effectively ensured that the cover plate 22 opens the ventilation hole 213 . The structure and shape of the second positioning member can be set according to actual needs, which is not specifically limited in this embodiment of the present invention.

Furthermore, in the damper of the air-cooled refrigerator provided in the above embodiment, the first positioning member 211 is an elastic buckle, and the elastic buckle and the damper body 21 form a slot for positioning the cover plate 22 . It should be noted that the elastic buckle is in contact with the outer surface of the cover plate 22 , and the damper body 21 is in contact with the inner surface of the cover plate 22 . In this way, it is convenient to realize the positioning of the cover plate 22 and also facilitate the reverse sliding of the cover plate 22 . Certainly, the first positioning member 211 may also be other positioning structures or positioning members, which are not specifically limited in this embodiment of the present invention. Preferably, the number of elastic buckles is at least two, and they are evenly distributed along the length direction of the cover plate 22 , thus effectively ensuring the uniform force on the cover plate 22 and improving the stability of the cover plate 22 in closing the ventilation hole 213 .

In order to effectively ensure the closing and opening of the ventilation hole 213, the damper of the air-cooled refrigerator provided in the above embodiment also includes: a first metal contact piece arranged on the end surface of the cover plate 22; a second metal contact piece arranged on the inner surface of the cover plate 22 Metal contact piece; be arranged on damper body 21, and can contact with the first metal contact piece and send the first contact switch of first signal; Be arranged on damper body 21, and can contact with the second metal contact piece and send out the first contact switch The second contact switch 26 of two signals; wherein, the driving part 25 is specifically: a motor connected to the first contact switch and the second contact switch 26, and stops running after receiving the first signal or the second signal. When the damper of the air-cooled refrigerator is ready to close, the cover plate 22 slides to one side, and when the first metal contact piece on the end surface of the cover plate 22 touches the first contact switch on the damper body 21, the first contact switch generates a first signal , the motor stops running after receiving the first signal, and the cover plate 22 stops sliding, realizing the closure of the ventilation hole 213, that is, the damper is closed; When the second metal contact strip touches the second contact switch 26 on the damper body 21, the second contact switch 26 generates a second signal, the motor stops running after receiving the second signal, and the cover plate 22 stops sliding, realizing the ventilation hole 213. The opening, that is, the damper is open. In this way, the sliding reliability of the cover plate 22 is effectively improved, and the cover plate 22 is prevented from sliding over, thereby effectively keeping the ventilation holes 213 closed and open, and improving stability. Of course, a contact switch may also be provided on the cover plate 22, and a metal contact piece may be provided on the damper body 21, which is not specifically limited in this embodiment of the present invention.

It should be noted that when the first metal contact piece contacts the first contact switch, the cover plate 22 is located at the first preset position; when the second metal contact piece contacts the second contact switch 26, the cover plate 22 is located at the second preset position . The first preset position is the position where the cover plate 22 closes the vent hole 213 , and the second preset position is the position where the cover plate 22 opens the vent hole 213 .

In the damper of the air-cooled refrigerator provided in the above embodiments, the first contact switch is preferably arranged on the elastic buckle, so that the first contact switch is conveniently contacted with the first metal contact piece.

Based on the damper of the air-cooled refrigerator provided in the foregoing embodiments, the embodiments of the present invention further provide an air-cooled refrigerator, which has the damper of the air-cooled refrigerator described in the foregoing embodiments.

Since the damper of the air-cooled refrigerator provided in the above-mentioned embodiment has the above-mentioned technical effect, and the air-cooled refrigerator provided in the embodiment of the present invention has the damper of the above-mentioned air-cooled refrigerator, the air-cooled refrigerator provided in the embodiment of the present invention also has the corresponding technical effect, This article will not repeat them.

The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. A damper for an air-cooled refrigerator, comprising: a damper body (21) having a vent hole (213), a cover plate (22) capable of closing and opening the vent hole (213); it is characterized in that the preparation method is characterized in that,

the cover plate (22) is connected with the air door body (21) in a sliding mode, the edge of the ventilation hole (213) in the air door body (21) is a plane, and the inner side face, used for closing the ventilation hole (213), of the cover plate (22) is a plane;

the air door of the air-cooled refrigerator further comprises: a driving component (25) which is connected with the cover plate (22) and drives the cover plate (22) to slide;

the air door body (21) is provided with: a first positioning member (211) for positioning the cover plate (22) at a first preset position where the cover plate (22) closes the ventilation hole (213);

the first positioning piece (211) is an elastic buckle, and the elastic buckle and the air door body (21) form a clamping groove for positioning the cover plate (22);

the number of the vent holes (213) is one.

2. The damper of an air-cooled refrigerator according to claim 1, wherein the cover plate (22) is slidably connected to the damper body (21) by a rack and pinion mechanism.

3. The damper of an air-cooled refrigerator according to claim 2, wherein the rack and pinion mechanism comprises: the gear rack (23) is arranged on the outer side face of the cover plate (22), and the gear (24) is meshed and connected with the gear rack (23); wherein the gear (24) is in transmission connection with the driving part (25).

4. The damper of an air-cooled refrigerator according to claim 3, wherein the rack (23) and the cover plate (22) are of an integral structure.

5. The damper of an air-cooled refrigerator according to claim 3, wherein the ventilation hole (213) has a rectangular shape, and the length direction of the rack gear (23) is parallel to the width direction of the ventilation hole (213).

6. The damper of an air-cooled refrigerator according to claim 1, wherein guide plates (212) are provided at both ends of the damper body (21), and guide grooves (221) engaged with the guide plates (212) are provided at both ends of the cover plate (22).

7. The damper of an air-cooled refrigerator according to any one of claims 1 to 6, further comprising:

the first metal contact sheet is arranged on the end face of the cover plate (22);

a second metal contact sheet arranged on the inner side surface of the cover plate (22);

the first contact switch is arranged on the air door body (21) and can be in contact with the first metal contact piece and send out a first signal;

a second contact switch (26) which is arranged on the air door body (21) and can be contacted with the second metal contact piece and send a second signal;

wherein the drive component (25) is specifically: and the motor is connected with the first contact switch and the second contact switch (26) and stops running after receiving the first signal or the second signal.

8. An air-cooled refrigerator having a damper as claimed in any one of claims 1 to 7.