Air door assembly and refrigerator

Abstract

The utility model provides an air door assembly and a refrigerator, and the air door assembly comprises an air duct cover plate provided with an air supply outlet; the air door body is arranged on the air duct cover plate in a sliding mode and slides in the first direction, and a sliding way is arranged on the air door body; the sliding plate is arranged on the air duct cover plate in a sliding mode and slides in the second direction, a connecting rod extending towards the air door body is arranged on the sliding plate, and the connecting rod movably extends in the sliding way; the extending direction of the sliding way is different from the first direction and the second direction, so that when the sliding plate slides in the first direction, the air door body is driven by the connecting rod to slide in the second direction, and then the air supply outlet is shielded or opened. According to the air door assembly, opening and closing adjustment of the cold air supply outlet is achieved, the cost of the power mechanism is saved, and then the manufacturing cost of the whole refrigerator is reduced.

Description

Technical Field

[0001] The present application belongs to the technical field of refrigerators, and in particular relates to a damper assembly and a refrigerator. Background Art

[0002] The refrigerator's damper is an important component that controls the air flow inside the refrigerator. It affects the refrigerator's cooling effect and preservation ability by regulating the entry and distribution of cold air.

[0003] Existing refrigerator dampers typically use electric or electronic dampers. These dampers offer high control precision and fast adjustment response, making them ideal for intelligent refrigerator control. However, these dampers are expensive, increasing the overall manufacturing cost of the refrigerator. Utility Model Content

[0004] The embodiments of the present application provide a damper assembly and a refrigerator to solve the problem that existing refrigerators generally use electric dampers or electronic dampers to adjust and distribute cold air, and the high cost of electric dampers and electronic dampers leads to high manufacturing costs of the entire refrigerator.

[0005] The embodiment of the present application provides a damper assembly for use in a refrigerator, the damper assembly comprising:

[0006] The air duct cover is provided with an air supply port;

[0007] A damper body is slidably disposed on the air duct cover and slides along a first direction, and a slideway is provided on the damper body;

[0008] a slide plate, slidably disposed on the air duct cover plate and sliding along the second direction, wherein the slide plate is provided with a connecting rod extending toward the damper body, and the connecting rod is movably extended in the slide channel;

[0009] The extension direction of the slide is different from both the first direction and the second direction, so that when the slide slides along the first direction, the damper body is driven to slide along the second direction through the connecting rod, thereby blocking or opening the air outlet.

[0010] Optionally, a first slide groove is recessed on the air duct cover, the air outlet is penetrated through the first slide groove, the damper body is slidably connected in the first slide groove, and, in the second direction, the length of the damper body is the same as the length of the first slide groove, and in the first direction, the length of the damper body is less than the length of the first slide groove.

[0011] Optionally, the air duct cover is further provided with a first clip, which is arranged on the side of the first sliding groove along the second direction and is movably clipped to the damper body.

[0012] Optionally, the air duct cover is further provided with a second sliding groove, and the second sliding groove is located on one side of the first sliding groove along the first direction.

[0013] The slide is slidably connected in the second slide groove, and in the first direction, the length of the slide is the same as the length of the second slide groove, and in the second direction, the length of the slide is less than the length of the second slide groove.

[0014] Optionally, the air duct cover is further provided with a second buckle, which is arranged on the side of the second sliding groove along the first direction and is movably engaged with the slide plate.

[0015] Optionally, a sliding hole is provided in the second sliding groove, a sliding portion is protruded on the slide plate, and the sliding portion is passed through the sliding hole and slides along the sliding hole.

[0016] Optionally, the slideway includes a perforation, and the connecting rod includes:

[0017] A rod body, one end of which is connected to the slide plate, and the other end of which is provided with a slide rod, wherein the slide rod is movably extended into the through hole;

[0018] The anti-slip portion is arranged at one end of the sliding rod away from the rod body and is clamped between the damper body and the air duct cover. The projection of the anti-slip portion on the damper body is at least partially misaligned with the through hole.

[0019] Optionally, the first direction extends along the direction of gravity, and the second direction is perpendicular to the first direction.

[0020] Optionally, the slideways include a pair and are spaced apart on the damper body, and the connecting rods are correspondingly provided with a pair, and each of the connecting rods is movably connected to one of the slideways.

[0021] The present application also provides a refrigerator, comprising:

[0022] Storage room with air inlet;

[0023] As mentioned above, the damper assembly includes a duct cover, a damper body and a slide plate, the duct cover is provided with an air supply port, and the duct cover is arranged on one side of the storage chamber; the damper body is slidably arranged on the duct cover and slides along a first direction, and a slide is provided on the damper body; the slide plate is slidably arranged on the duct cover and slides along a second direction, and a connecting rod extending toward the damper body is provided on the slide plate, and the connecting rod is movably extended in the slide; wherein the extension direction of the slide is different from both the first direction and the second direction, so that when the slide plate slides along the first direction, the damper body is driven to slide along the second direction by the connecting rod, thereby blocking or opening the air supply port, and the air supply port is connected to the air inlet when opened.

[0024] The damper assembly provided in the embodiment of the present application realizes the effect of blocking and opening the air supply outlet by the damper body by sliding the slide plate along the second direction and then driving the damper to slide in the first direction, thereby realizing the openable and closable adjustment of the cold air supply outlet and eliminating the need to set up a power mechanism, thus saving the cost of the power mechanism and reducing the manufacturing cost of the entire refrigerator. At the same time, the air supply outlet can be opened and closed by manually sliding the slide plate, which is simple and easy to operate.

[0025] Furthermore, because the sliding plate and the damper body slide in different directions, when the damper body is longer, the sliding plate moves along the length of the damper body, thereby driving the damper body to move along its width. When the damper body is wider, the sliding plate moves along the width of the damper body, thereby driving the damper body to move along its length. In other words, the sliding plate drives the damper body to move in the direction of its shorter dimension, thereby shortening the distance the damper body must move to open the air outlet. This prevents the damper body from moving in the direction of its longer dimension, which would cause the damper assembly to occupy too much space in a certain direction and affect the layout of other components. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] To more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present application. Those skilled in the art can also derive other drawings based on these drawings without inventive effort.

[0027] In order to more completely understand the present application and its beneficial effects, the following description will be given in conjunction with the accompanying drawings. In the following description, the same reference numerals represent the same parts.

[0028] Figure 1 This is a front view of the air outlet of the damper assembly provided in an embodiment of the present application when closed.

[0029] Figure 2 This is a front view of the air outlet of the damper assembly provided in an embodiment of the present application when it is open.

[0030] Figure 3 This is a rear view of the damper assembly provided in an embodiment of the present application.

[0031] Figure 4 A schematic structural diagram of the air duct cover of the damper assembly provided in an embodiment of the present application.

[0032] Figure 5 A schematic structural diagram of the slide plate of the damper assembly provided in an embodiment of the present application.

[0033] Figure 6 A schematic structural diagram of the damper body of the damper assembly provided in an embodiment of the present application.

[0034] Description of reference numerals:

[0035] 1. Air duct cover; 11. First chute; 111. Air outlet; 12. First buckle; 13. Second chute; 131. Slide hole; 14. Second buckle;

[0036] 2. Damper body; 21. Slideway;

[0037] 3. Slide plate; 31. Connecting rod; 311. Rod body; 312. Sliding rod; 313. Anti-slip portion; 32. Sliding portion. DETAILED DESCRIPTION

[0038] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the embodiments described are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative efforts are within the scope of protection of this application.

[0039] An embodiment of the present application provides a damper assembly and a refrigerator to solve the problem that existing refrigerators generally use electric dampers or electronic dampers to adjust and distribute cold air. Due to the high cost of electric dampers and electronic dampers, the manufacturing cost of the entire refrigerator is high. The following will be explained with reference to the accompanying drawings.

[0040] The embodiment of the present application provides a damper assembly for use in a refrigerator. Figure 1 and Figure 2 , Figure 1 This is a front view of the air outlet of the damper assembly provided in the embodiment of the present application when closed. Figure 2This is a front view of the air outlet of the damper assembly provided in an embodiment of the present application when the air outlet is open. The damper assembly includes an air duct cover plate 1, an air duct body 2, and a slide plate 3. The air duct cover plate 1 is provided with an air outlet 111; the air duct body 2 is slidably mounted on the air duct cover plate 1 and slides in a first direction, and a slide 21 is provided on the air duct body 2; the slide plate 3 is slidably mounted on the air duct cover plate 1 and slides in a second direction, and a connecting rod 31 is provided on the slide plate 3 that extends toward the air duct body 2 and is movably extended within the slide 21; wherein the extension direction of the slide 21 is different from both the first direction and the second direction, so that when the slide plate 3 slides in the first direction, the damper body 2 is driven to slide in the second direction via the connecting rod 31, thereby blocking or opening the air outlet 111.

[0041] The damper assembly provided in the embodiment of the present application realizes the shielding and opening effect of the air outlet 111 by the damper body 2 by sliding the slide plate 3 along the second direction and thereby driving the damper to slide in the first direction, thereby realizing the opening and closing adjustment of the cold air outlet 111 and eliminating the need to set up a power mechanism, thus saving the cost of the power mechanism and reducing the manufacturing cost of the entire refrigerator. At the same time, the opening and closing adjustment of the air outlet 111 can be realized by manually sliding the slide plate 3, and the operation is simple and easy to use.

[0042] Furthermore, because the sliding plate 3 and the damper body 2 slide in different directions, when the damper body 2 is longer, the sliding plate 3 moves along the length of the damper body 2, thereby driving the damper body 2 to move along its width. When the damper body 2 is wider, the sliding plate 3 moves along the width of the damper body 2, thereby driving the damper body 2 to move along its length. In other words, the sliding plate 3 drives the damper body 2 to move in the direction of the shorter dimension of the damper body 2, thereby shortening the distance the damper body 2 needs to move when opening the air outlet 111. This prevents the damper body 2 from moving in the direction of its longer dimension, which would cause the damper assembly to occupy too much space in a certain direction and affect the layout of other components.

[0043] Optionally, a first slide groove 11 is recessed on the air duct cover 1, an air outlet 111 is passed through the first slide groove 11, the damper body 2 is slidably connected in the first slide groove 11, and in the second direction, the length of the damper body 2 is the same as the length of the first slide groove 11, and in the first direction, the length of the damper body 2 is less than the length of the first slide groove 11.

[0044] That is, the length of the damper body 2 and the first slide groove 11 are equal in the second direction. When the slide plate 3 drives the damper body 2 to slide in the first direction, the first slide groove 11 can always limit the damper body 2 in the second direction, preventing the damper body 2 from disengaging from the first slide groove 11, thereby ensuring the stability of the damper body 2 sliding in the first direction. In this case, the air supply port 111 may include multiple air supply ports 111, which are spaced apart along the second direction. Accordingly, the damper body 2 is longer in the second direction to cover multiple air supply ports 111. In this case, the damper body 2 is larger in the second direction and smaller in the first direction. The damper body 2 slides in the first direction to reduce the space occupied in the second direction.

[0045] Optionally, the air duct cover 1 is further provided with a first clip 12, which is arranged along the second direction on the side of the first slide groove 11 and is movably engaged with the damper body 2. By providing the first clip 12, the damper body 2 is engaged with the damper body 2 during the sliding process, thereby restricting the damper body 2 on the air duct cover 1 and preventing the damper body 2 from falling out of the first slide groove 11.

[0046] As a specific implementation, the distance between the first buckle 12 and the air duct cover 1 may be slightly smaller than the thickness of the damper body 2 , so as to press the damper body 2 onto the air duct cover 1 .

[0047] As another specific embodiment, convex ribs are provided on the damper body 2 along the first direction, and the convex ribs are engaged with the buckles and can slide relative to each other.

[0048] Furthermore, the first clips 12 may include multiple, for example, two, first clips 12. In this case, the two first clips 12 are arranged on opposite sides of the first slide groove 11 along the second direction to limit the damper body 2 on both sides of the damper body 2, thereby increasing the stability of the movement of the damper body 2. Alternatively, the first clips 12 may be four. In this case, the four first clips 12 are divided into two groups, each group including two, and the two groups of first clips 12 are arranged on opposite sides of the first slide groove 11 along the second direction to limit the damper body 2 on both sides of the damper body 2, thereby increasing the stability of the movement of the damper body 2.

[0049] Optionally, the air duct cover 1 is further recessed with a second slide groove 13, which is located on one side of the first slide groove 11 along the first direction. The slide plate 3 is slidably connected in the second slide groove 13, and in the first direction, the length of the slide plate 3 is the same as the length of the second slide groove 13, and in the second direction, the length of the slide plate 3 is less than the length of the second slide groove 13.

[0050] That is, the length of the slide 3 and the second slide groove 13 are equal in the first direction. When the slide 3 slides, the second slide groove 13 can always limit the slide 3 in the first direction, preventing the slide 3 from escaping from the second slide groove 13, thereby ensuring the stability of the slide 3 in the second direction. The length of the second slide groove 13 in the second direction can be equal to or greater than the sum of the length of the slideway 21 in the second direction and the length of the slide 3 in the second direction, so as to ensure that the slide 3 can slide along the slideway 21.

[0051] Furthermore, the air outlet 111 can be located on a side of the first chute 11 away from the second chute 13 along the first direction, or the air outlet 111 can be located on a side of the first chute 11 close to the second chute 13 along the first direction, so that when the damper body 2 moves along the first direction, the air outlet 111 can be fully opened. In addition, the length of the first chute 11 in the first direction does not need to be too long, thereby saving the space occupied by the damper assembly as a whole and reducing the volume of the entire refrigerator. Preferably, the air outlet 111 is located on a side of the first chute 11 away from the second chute 13 along the first direction to avoid being blocked by the connecting rod 31 of the slide plate 3 and affecting the air supply effect.

[0052] Optionally, the air duct cover 1 is further provided with a second clip 14, which is arranged along the first direction on the side of the second chute 13 and is movably engaged with the slide 3. By providing the second clip 14, the slide 3 is engaged with the slide during its sliding process, thereby retaining the slide 3 on the air duct cover 1 and preventing the slide 3 from falling out of the second chute 13.

[0053] As a specific implementation, the distance between the second buckle 14 and the air duct cover 1 may be slightly smaller than the thickness of the slide plate 3 , so as to press the slide plate 3 onto the air duct cover 1 .

[0054] As another specific embodiment, convex ribs are provided on the slide plate 3 along the second direction, and the convex ribs are engaged with the buckles and can slide relative to each other.

[0055] Furthermore, the second clips 14 may include multiple, for example, two, second clips 14 being disposed oppositely along the first direction on either side of the second chute 13 to limit the position of the slide 3 on both sides thereof, thereby increasing the stability of the movement of the slide 3. Alternatively, the second clips 14 may include four, four second clips 14 being divided into two groups, each group including two, and the two groups of second clips 14 being disposed oppositely along the first direction on either side of the second chute 13 to limit the position of the slide 3 on both sides thereof to increase the stability of the movement of the slide 3.

[0056] Optionally, see Figure 3 、 Figure 4 and Figure 5 , Figure 3 This is a rear view of the damper assembly provided in an embodiment of the present application. Figure 4 This is a schematic diagram of the structure of the air duct cover of the damper assembly provided in an embodiment of the present application. Figure 5 This is a schematic diagram of the structure of the slide plate of the damper assembly provided in an embodiment of the present application. A sliding hole 131 is provided through the second slide groove 13. A sliding portion 32 is provided on the slide plate 3. The sliding portion 32 is inserted into and slides along the sliding hole 131. On the side of the air duct cover 1 facing away from the damper body 2, the slide plate 3 can be slid by sliding the sliding portion 32, thereby achieving adjustable opening and closing of the air outlet 111.

[0057] For example, the refrigerator also includes a box liner, which is provided with a partition to separate the box liner into an air duct and a storage compartment. The damper assembly is mounted on the partition and is located in the air duct. The partition is provided with an air inlet, which is connected to the air supply port 111 of the damper assembly and the storage compartment. At the same time, the partition is also provided with an extension hole. The sliding portion 32 on the slide plate 3 passes through the sliding hole 131 and the extension hole in sequence and extends into the storage compartment. After the user opens the refrigerator door, the sliding portion 32 extended in the storage compartment can be directly slid to drive the slide plate 3 to slide, thereby achieving the adjustable opening and closing of the air supply port 111 and the air inlet. This not only realizes the concealed design of the damper assembly and makes the refrigerator more beautiful as a whole, but also makes the structure of the refrigerator simple and easy to operate. Among them, the extension hole on the partition can be slightly larger than the sliding hole 131 on the air duct cover plate 1, or it can be conformed to the sliding hole 131 to meet the sliding requirements of the sliding portion 32.

[0058] In some examples, the sliding portion 32 may be a rod, a sphere, or a block.

[0059] Optionally, see Figure 6 , Figure 6 This is a schematic diagram of the structure of the damper body of the damper assembly provided in an embodiment of the present application. The slideway 21 includes a through-hole, and the connecting rod 31 includes a rod body 311 and an anti-slip portion 313. One end of the rod body 311 is connected to the slide plate 3, and the other end is provided with a slide rod 312, which is movably extended into the through-hole. The anti-slip portion 313 is provided at the end of the slide rod 312 facing away from the rod body 311 and is sandwiched between the damper body 2 and the air duct cover 1. The projection of the anti-slip portion 313 on the damper body 2 is at least partially misaligned with the through-hole.

[0060] By providing an anti-slip portion 313, the slide rod 312 is prevented from escaping from the perforation. That is, when the slide rod 312 escaping from the perforation in a direction away from the air duct cover 1, the anti-slip portion 313 abuts against the air duct cover 1, thereby limiting the slide rod 312 from continuing to move in the direction of escaping from the perforation, ensuring that the slide rod 312 can always slide in the perforation.

[0061] As an alternative embodiment, the slide 21 can also be an extension groove, the cross-section of the extension groove is convex, and the groove opening of the extension groove is opened toward the slide rod 312. At this time, the anti-slip portion 313 is extended at the bottom of the extension groove. Since the extension groove is convex, that is, the width of the bottom of the extension groove is greater than the width of the groove opening, when the slide rod 312 disengages from the perforation in the direction away from the air duct cover 1, the anti-slip portion 313 abuts against the side walls around the groove opening of the extension groove, thereby limiting the slide rod 312 from continuing to move in the direction of disengaging from the perforation, ensuring that the slide rod 312 can always slide in the perforation.

[0062] Optionally, the first direction extends along the direction of gravity, and the second direction is perpendicular to the first direction. That is, the damper body 2 slides in the vertical direction, and the slide plate 3 slides in the horizontal direction. When the slide plate 3 slides in the horizontal direction, it is less likely to be affected by gravity and then separate from the air duct cover 1. At the same time, the slide plate 3 supports the damper body 2, thereby preventing the damper body 2 from being affected by gravity and then separating from the air duct cover 1. In other words, the vertical sliding of the slide plate 3, a component that moves under external force, is avoided, which would make the slide plate 3 easily fall under the influence of its own weight, thereby causing unstable movement of the damper body 2.

[0063] The angle between the slide 21 and the vertical direction and the horizontal direction is not further limited here. For example, the angle between the slide 21 and the vertical direction can be 30°, 45° or 60°.

[0064] Optionally, the slideways 21 include a pair and are spaced apart on the damper body 2, and a pair of connecting rods 31 are provided accordingly, and each connecting rod 31 is movably connected to one slideway 21. The pair of connecting rods 31 can be arranged on the slide plate 3 relative to each other along the second direction to improve the stability of the connection between the slide plate 3 and the damper body 2.

[0065] The present application also provides a refrigerator, including a storage chamber and a damper assembly as described above. The storage chamber is provided with an air inlet; the damper assembly includes an air duct cover 1, a damper body 2, and a slide 3. The air duct cover 1 is provided with an air outlet 111 and is disposed on one side of the storage chamber; the damper body 2 is slidably disposed on the air duct cover 1 and slides in a first direction, and the damper body 2 is provided with a slide 21; the slide 3 is slidably disposed on the air duct cover 1 and slides in a second direction, and the slide 3 is provided with a connecting rod 31 extending toward the damper body 2, and the connecting rod 31 is movably extended in the slide 21; wherein the extending direction of the slide 21 is different from both the first direction and the second direction, so that when the slide 3 slides in the first direction, the damper body 2 is driven to slide in the second direction via the connecting rod 31, thereby blocking or opening the air outlet 111, and the air outlet 111 is connected to the air inlet when opened.

[0066] In the above embodiments, the description of each embodiment has its own focus. For parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0067] In the description of this application, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of technical features indicated. Therefore, features specified as "first" or "second" may explicitly or implicitly include one or more features.

[0068] The above is a detailed introduction to the damper assembly and refrigerator provided in the embodiments of the present application. Specific examples are used herein to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the method and core idea of the present application. At the same time, for technical personnel in this field, based on the ideas of the present application, there will be changes in the specific implementation methods and application scope. In summary, the content of this specification should not be understood as a limitation on the present application.

Claims

1. A damper assembly, used in a refrigerator, characterized in that: The damper assembly comprises: The air duct cover is provided with an air supply port; A damper body is slidably disposed on the air duct cover and slides along a first direction, and a slideway is provided on the damper body; a slide plate, slidably disposed on the air duct cover plate and sliding along the second direction, wherein the slide plate is provided with a connecting rod extending toward the damper body, and the connecting rod is movably extended in the slide channel; The extension direction of the slide is different from both the first direction and the second direction, so that when the slide slides along the first direction, the damper body is driven to slide along the second direction through the connecting rod, thereby blocking or opening the air outlet.

2. The damper assembly according to claim 1, wherein: A first slide groove is recessed on the air duct cover, the air outlet is penetrated through the first slide groove, the damper body is slidably connected in the first slide groove, and, in the second direction, the length of the damper body is the same as the length of the first slide groove, and in the first direction, the length of the damper body is less than the length of the first slide groove.

3. The damper assembly according to claim 2, wherein: The air duct cover is further provided with a first buckle, which is arranged on the side of the first sliding groove along the second direction and is movably engaged with the damper body.

4. The damper assembly according to claim 2, wherein: The air duct cover is further provided with a second sliding groove, which is located on one side of the first sliding groove along the first direction. The slide is slidably connected in the second slide groove, and in the first direction, the length of the slide is the same as the length of the second slide groove, and in the second direction, the length of the slide is less than the length of the second slide groove.

5. The damper assembly according to claim 4, characterized in that The air duct cover is further provided with a second buckle, which is arranged on the side of the second sliding groove along the first direction and is movably engaged with the slide plate.

6. The damper assembly according to claim 4, wherein: A sliding hole is provided in the second sliding groove, and a sliding portion is protruded on the sliding plate. The sliding portion is passed through the sliding hole and slides along the sliding hole.

7. The damper assembly according to claim 1, wherein: The slideway includes a through hole, and the connecting rod includes: A rod body, one end of which is connected to the slide plate, and the other end of which is provided with a slide rod, wherein the slide rod is movably extended into the through hole; The anti-slip portion is arranged at one end of the sliding rod away from the rod body and is clamped between the damper body and the air duct cover. The projection of the anti-slip portion on the damper body is at least partially misaligned with the through hole.

8. The damper assembly according to claim 1, wherein: The first direction extends along the direction of gravity, and the second direction is perpendicular to the first direction.

9. The damper assembly according to claim 1, wherein: The slideways include a pair and are spaced apart on the damper body. The connecting rods are correspondingly provided with a pair, and each connecting rod is movably connected to one of the slideways.

10. A refrigerator, characterized in that: include: Storage room with air inlet; The damper assembly according to any one of claims 1 to 9 comprises a duct cover, a damper body and a slide, the duct cover being provided with an air supply outlet, the duct cover being arranged on one side of the storage chamber; the damper body being slidably arranged on the duct cover and sliding along a first direction, the damper body being provided with a slide; the slide being slidably arranged on the duct cover and sliding along a second direction, the slide being provided with a connecting rod extending toward the damper body, the connecting rod being movably extended in the slide; wherein the extension direction of the slide is different from both the first direction and the second direction, so that when the slide slides along the first direction, the damper body is driven to slide along the second direction by the connecting rod, thereby blocking or opening the air supply outlet, and the air supply outlet is connected to the air inlet when opened.

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