CN219264684U

CN219264684U - Air door device and refrigerating unit

Info

Publication number: CN219264684U
Application number: CN202320181603.0U
Authority: CN
Inventors: 晁剑; 潘茂林; 巨荣孝
Original assignee: Lengwang Shanghai Industrial Co ltd
Current assignee: Lengwang Shanghai Industrial Co ltd
Priority date: 2023-02-07
Filing date: 2023-02-07
Publication date: 2023-06-27
Anticipated expiration: 2033-02-07

Abstract

The application provides a damper device and a refrigerating unit, wherein the damper device comprises a damper body, and comprises a first side wall and a second side wall which are arranged towards each other; the distance between the first side wall and the second side wall gradually becomes smaller from the center to the edge along the width direction of the air door body. Compared with the traditional rectangular plate-shaped air door, the air door device has higher strength and simple structure, and can reduce the risk of bending deformation in the use process, so that the service life is prolonged.

Description

Air door device and refrigerating unit

Technical Field

The application relates to the technical field, in particular to a throttle device and a refrigerating unit.

Background

The air door device is widely applied to refrigerating units such as refrigerators and freezers, and the rotation of the air door device is controlled to open or close an internal air duct of the refrigerating unit, so that cold air is fed into a refrigerating chamber.

Most of the existing air door devices are rectangular plate-shaped, not only are the structures single, but also bending deformation is easy to occur due to low strength of the air door devices in the use process, so that the service life is reduced.

Disclosure of Invention

The application provides a damper device and refrigerating unit, has higher intensity, simple structure, and can reduce bending deformation's risk in the use, has improved life.

Specifically, the application is realized by the following technical scheme:

in one aspect, the present application provides a damper device, including:

a damper body including a first side wall and a second side wall disposed toward each other; the distance between the first side wall and the second side wall gradually becomes smaller from the center to the edge along the width direction of the air door body.

Optionally, the first side wall and the second side wall extend gradually and obliquely from the center to the edge along the width direction of the damper body until intersecting so as to enclose the spindle-shaped damper body.

Optionally, the inside of air door body is hollow structure.

Optionally, the air door body runs through along length direction and is equipped with first installation department, the inside of air door body is except first installation department is hollow structure at least partially.

Optionally, the first and second sidewalls continue to extend outwardly at the intersection to form an edge portion.

Optionally, the damper device further includes a gasket disposed at the edge portion.

Optionally, the damper body is made of a metal material.

Optionally, the metal material includes at least one of aluminum, an aluminum alloy, a titanium alloy, or a magnesium alloy.

Another aspect of the present application also provides a refrigeration unit, including:

a housing and a heat exchanger disposed within the housing; an air outlet is arranged in the shell; a heat exchange air duct is formed between the heat exchanger and the air outlet;

the air door device according to any one of the above, rotatably disposed at the air outlet, for opening or closing the heat exchange air duct;

and the driving device is connected with the air door device and used for driving the air door device to rotate.

Optionally, the driving device comprises an electromagnet assembly and a driving rod; one end of the driving rod is connected with the electromagnet assembly, and the other end of the driving rod is connected with the air door device; the electromagnet assembly can drive the driving rod to axially reciprocate in an electrified state or a powered-off state so as to drive the air door device to rotate.

The technical scheme that this application provided can reach following beneficial effect:

the application provides a throttle device and refrigerating unit through with the throttle body towards the first lateral wall that sets up each other with distance between the second lateral wall, design as follows the width direction of throttle body, from the center to the edge diminishing gradually. Compared with the traditional rectangular plate-shaped air door, the air door has higher strength and simple structure, and can reduce the risk of bending deformation in the use process, thereby prolonging the service life.

Drawings

Fig. 1 is a schematic structural view of a damper device according to an exemplary embodiment of the present application.

Fig. 2 is a cross-sectional view of one configuration of the damper device shown in an exemplary embodiment of the present application.

Fig. 3 is a cross-sectional view of another construction of the damper device according to an exemplary embodiment of the present application.

Fig. 4 is a partial structural cross-sectional view of a refrigeration unit illustrated in an exemplary embodiment of the present application with the damper device in an open state.

Fig. 5 is a partial structural cross-sectional view of a refrigeration unit illustrated in an exemplary embodiment of the present application with the damper device in a closed condition.

Fig. 6 is a schematic structural view of the damper device assembled with the housing according to an exemplary embodiment of the present application.

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with some aspects of the present application as detailed in the accompanying claims.

The terminology used in the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the present application. Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The terms "first," "second," and the like in the description and in the claims, are not used for any order, quantity, or importance, but are used for distinguishing between different elements. Likewise, the terms "a" or "an" and the like do not denote a limitation of quantity, but rather denote the presence of at least one. "plurality" or "plurality" means two or more. Unless otherwise indicated, the terms "front," "rear," "lower," and/or "upper," "top," "bottom," and the like are merely for convenience of description and are not limited to one position or one spatial orientation. The word "comprising" or "comprises", and the like, means that elements or items appearing before "comprising" or "comprising" are encompassed by the element or item recited after "comprising" or "comprising" and equivalents thereof, and that other elements or items are not excluded. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect.

Referring to fig. 4 to 6, a refrigeration unit is provided. The refrigeration unit includes a refrigerator, a freezer, etc., and is not limited to a household or a vehicle.

The refrigeration unit includes a housing 10 and a heat exchanger 11 disposed within the housing 10. An air outlet 101 is arranged in the shell 10, and a heat exchange air channel is formed between the heat exchanger 11 and the air outlet 101. The air door device is rotatably arranged at the air outlet 101 and is used for opening or closing the heat exchange air duct. In one embodiment, the damper device is rotatably mounted to the housing 10 by a shaft. Of course, the manner of assembling the damper device with the housing 10 is not limited thereto.

In one embodiment, the heat exchanger 11 includes an evaporator, and the evaporator exchanges heat with the outside air through the refrigerant, and in the refrigerating process, the damper device opens the heat exchange air duct, and cold air formed after the heat exchange flows into the refrigerating chamber through the heat exchange air duct and the air outlet 101. Due to the fact that certain moisture exists in the air, frost can appear on the surface of the evaporator during long-term refrigeration, and the refrigeration effect of the evaporator is affected. Therefore, the evaporator needs to be heated by a heater or the like, and frost on the surface of the evaporator is changed into water after melting and then discharged through a preset water guide pipe. Under the defrosting state, the air door device needs to close the heat exchange air duct to prevent defrosting heat from entering the refrigerating chamber through the air outlet 101, so that not only can the temperature of the refrigerating chamber be influenced, but also the defrosting heat loss is caused, and the defrosting efficiency is reduced.

Referring to fig. 4 and 5, the driving device 13 is connected to the damper device for driving the damper device to rotate. In one embodiment, the drive device 13 includes an electromagnet assembly 131 and a drive rod 132. One end of the driving rod 132 is connected with the electromagnet assembly 131, and the other end is connected with the air door device. The electromagnet assembly 131 can drive the driving rod 132 to reciprocate along the axial direction in the power-on state or the power-off state so as to drive the air door device to rotate. In one embodiment, one side surface of the damper device is provided with a second mounting portion 126, such as a second mounting hole, to which the drive rod 132 is mounted by a fastener, such as cotter pin 129.

In one embodiment, electromagnet assembly 131 includes an electromagnet core and an electromagnet coil surrounding the electromagnet core, which is coupled to drive rod 132. The electromagnetic coil can generate a magnetic field in an electrified state, the electromagnetic iron core moves in a first direction along the axial direction under the action of electromagnetic force and drives the driving rod 132 to move in the first direction, and then the air door device is driven to rotate forward to open the heat exchange air duct. When the electromagnetic coil is powered off, the electromagnetic iron core is acted by the restoring force of an internal elastic component (such as a spring), moves along the axial direction to the second direction, and drives the driving rod 132 to move to the second direction, so as to drive the air door device to reversely rotate to close the heat exchange air duct. In other embodiments, the driving device 13 may also use a driving motor for driving the damper device to rotate.

The "first direction" and the "second direction" refer to two directions opposite to each other in the axial direction, and do not limit the specific movement direction. For example: when "first direction" means upward in the axial direction, "second direction" means downward in the axial direction; when the "first direction" means to the left in the axial direction, the "second direction" means to the right in the axial direction. "forward" and "reverse" refer to directions opposite in rotational direction, and are not limited to a particular rotational direction. For example: when "forward" means counterclockwise, then "reverse" means clockwise; when "forward" means clockwise, then "reverse" means counterclockwise.

With continued reference to fig. 4 and 5, in one embodiment, the driving device 13 further includes a return spring 16, one end of the return spring 16 is mounted to the housing 10, and the other end is mounted to the damper device. For example, the damper device and the surface of the housing 10 are each provided with a third mounting portion 127, such as a third mounting hole, to which the end of the return spring 16 is hung. When the damper device is in the closed state, the return spring 16 is in the extended state, and when the damper device is switched from the closed state to the open state, the return spring 16 is capable of returning from the extended state to the free state for assisting in driving the rotation of the damper device.

Referring to fig. 1 and 2, in one embodiment, the damper device includes a damper body 12, the damper body 12 including a first side wall 121 and a second side wall 122 disposed toward each other; the distance between the first side wall 121 and the second side wall 122 becomes gradually smaller from the center toward the edge in the width direction of the damper body 12. Compared with the traditional rectangular plate-shaped air door, the air door has higher strength and simple structure, and can reduce the risk of bending deformation in the use process, thereby prolonging the service life. In one embodiment, the first and

second sidewalls

121 and 122 extend gradually obliquely from the center to the edge in the width direction of the damper body 12 until intersecting to enclose the damper body 12 as a spindle. In other words, in this embodiment, the damper body 12 includes only the first and

second side walls

121 and 122. Thereby, not only the risk of bending deformation of the damper body 12 can be reduced, but also the material is saved, and the production cost is reduced. In other embodiments, the damper body 12 may include third and fourth sidewalls in addition to the first and

second sidewalls

121 and 122. The four side walls jointly enclose a damper body 12 having a central thickness that is greater than the edge thickness. From this, middle part intensity is higher than edge strength, can effectively reduce the stress concentration on rectangular plate body surface, avoids the rectangular plate body to appear deforming the risk. The first and

second sidewalls

121 and 122 can also function to guide wind and reduce wind resistance to some extent. Of course, the structure of the damper body 12 is not limited thereto. For example, as shown in fig. 3, the damper body 12 may be adaptively adjusted according to a specific shape of an internal assembly space of the refrigeration unit, so that the damper body 12 has an asymmetric structure.

Referring to fig. 2 and 3, in one embodiment, the first sidewall 121 and the second sidewall 122 continue to extend outwardly at the intersection to form an edge 123. Therefore, in the process of rotating the air door body 12, the edge part 123 is matched with the heat exchange air duct, so that the tightness of closing of the air door device can be improved, and the defrosting efficiency is improved. Referring to fig. 5, in one embodiment, the refrigeration unit includes a limiting member disposed in the housing 10, and the edge 123 contacts the limiting member to close the heat exchange air duct. In one embodiment, the limiting member includes bending baffles 14 disposed on two sides of the heat exchange air duct and mounted to the housing 10, and when the heat exchange air duct is closed, the edge 123 abuts against the bending baffles 14. Of course, the structure of the stopper is not limited thereto.

Referring to fig. 2 and 3, in one embodiment, the damper device further includes a gasket 125 disposed at the edge 123. This can further improve the tightness at the time of closing the damper device. In one embodiment, the gasket 125 is made of a rubber material. Thus, not only the tightness of the damper device when closed can be further improved, but also the vibration of the damper device can be effectively reduced when the refrigerating unit is used for refrigerating at a high speed.

In one embodiment, the interior of the damper body 12 is hollow. This reduces the mass of the damper body 12, and the damper device can be made lighter. In one embodiment, the damper body 12 is provided with a first mounting portion 124 extending therethrough in the longitudinal direction, and at least a portion of the interior of the damper body 12 excluding the first mounting portion 124 is hollow. In one embodiment, the interior of the damper body 12 is hollow except for the first mounting portion 124. Therefore, the air door body 12 is conveniently manufactured by adopting an extrusion process, so that the air door body 12 is ensured to have better mechanical properties, and the air door has a simple structure and low production cost. In other embodiments, the damper body 12 has a hollow structure in a portion thereof except for the first mounting portion 124. The quality of the air door body 12 can be reduced, the air door body 12 can be maintained in a certain strength state, and the air door body 12 is safer and more reliable.

Referring to fig. 6, in one embodiment, the first mounting portion 124 includes a first mounting hole, and the housing 10 is correspondingly provided with a through hole. The rotation shaft passes through the through hole to be matched with the first mounting hole so as to mount the damper body 12 to the housing 10. In one embodiment, the shaft includes a link 135, a pin 133, and a fastener 134 (e.g., a screw); the connecting rod 135 is provided with a first through hole and a second through hole, the pin shaft 133 sequentially passes through the first through hole and the through hole to be matched with the first mounting hole, and the fastener 134 passes through the second through hole to be connected with the shell 10. In other embodiments, the rotating shaft further includes a sleeve 136, and the sleeve 136 is sleeved on the outer circumference of the pin shaft 133 and is installed in the first installation hole. In one embodiment, the first mounting hole has a non-circular structure, and the shape of the outer periphery of the pin shaft 133 or the sleeve 136 corresponds to the shape of the first mounting hole, so as to prevent the pin shaft 133 or the sleeve 136 from rotating in the circumferential direction.

In one embodiment, the damper body 12 is made of a metallic material to increase the strength of the damper body itself. In one embodiment, the metallic material comprises at least one of aluminum, an aluminum alloy, a titanium alloy, or a magnesium alloy. Therefore, when the air door body 12 is made of a metal material with a light structure, the air door body has the advantages of high strength and light constitution, does not rust when being used in a humid environment, and has strong ageing resistance.

The foregoing description of the preferred embodiments of the present utility model is not intended to limit the utility model to the precise form disclosed, and any modifications, equivalents, improvements and alternatives falling within the spirit and principles of the present utility model are intended to be included within the scope of the present utility model.

Claims

1. A damper apparatus, comprising:

a damper body (12) including a first side wall (121) and a second side wall (122) disposed toward each other; the distance between the first side wall (121) and the second side wall (122) gradually decreases from the center to the edge in the width direction of the damper body (12).

2. The damper device according to claim 1, wherein:

the first side wall (121) and the second side wall (122) extend gradually and obliquely from the center to the edge along the width direction of the throttle body (12) until intersecting so as to enclose the throttle body (12) as a spindle.

3. The damper device according to claim 2, wherein:

the inside of the air door body (12) is of a hollow structure.

4. The damper device of claim 3, wherein:

the air door body (12) is provided with a first installation part (124) in a penetrating manner along the length direction, and at least part of the air door body (12) except the first installation part (124) is of a hollow structure.

5. The damper device according to claim 2, wherein:

the first sidewall (121) and the second sidewall (122) continue to extend outwardly at an intersection to form an edge portion (123).

6. The damper device of claim 5, wherein:

the damper device further comprises a gasket (125) arranged at the edge portion (123).

7. The damper device according to any one of claims 1 to 6, wherein: the air door body (12) is made of metal materials.

8. The damper device of claim 7, wherein: the metal material includes at least one of aluminum, an aluminum alloy, a titanium alloy, or a magnesium alloy.

9. A refrigeration unit, comprising:

a housing (10) and a heat exchanger (11) provided in the housing (10); an air outlet (101) is arranged in the shell (10); a heat exchange air duct is formed between the heat exchanger (11) and the air outlet (101);

the damper device according to any one of claims 1 to 8, rotatably arranged at the air outlet (101) for opening or closing the heat exchange air duct;

and the driving device (13) is connected with the air door device and is used for driving the air door device to rotate.

10. A refrigeration unit as set forth in claim 9 wherein:

the driving device (13) comprises an electromagnet assembly (131) and a driving rod (132); one end of the driving rod (132) is connected with the electromagnet assembly (131), and the other end of the driving rod is connected with the air door device; the electromagnet assembly (131) can drive the driving rod (132) to axially reciprocate in an energized state or a de-energized state so as to drive the air door device to rotate.