Lamp mounting structure, engine cover plate and vehicle

Abstract

The embodiment of the utility model discloses a lamp mounting structure, an engine cover plate and a vehicle. The lamp mounting structure comprises two outer plates arranged in the first direction. Each outer plate comprises an outer plate body and a lap joint flange extending from one side edge of the outer plate body; the two lap-joint turnups are arranged adjacently, a groove structure sunken from one side edges of the two outer plate bodies in the second direction is formed between the two lap-joint turnups, and the groove structure is used for arranging a lamp. According to the lamp installation structure, the two outer plates are matched to form the groove structure used for installing the lamp, the installation situation that the installation depth of the lamp is large can be coped with, and the problem that a groove with the enough depth and shape for installing the lamp is difficult to form in a stamping mode is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of lamps, in particular to a lamp installation structure, an engine cover plate and a vehicle. Background Art

[0002] At present, the shapes of lamps are becoming more and more diversified and personalized. Some lamps can set the body in the groove between the plates, making the outer surface of the lamp flush with the plate surface to achieve an aesthetic effect. This kind of setting is widely used on the engine cover plate of vehicles and can form a through lamp structure that penetrates the engine cover plate. When the through lamp structure is set shallowly on the engine cover plate, the engine cover plate can be formed by stamping in one piece to form a groove for installing the lamp. However, when the installation depth of the lamp is large, it is relatively difficult to form a groove structure with sufficient depth and shape by stamping. Summary of the Utility Model

[0003] Embodiments of the utility model provide a lamp installation structure, an engine cover plate and a vehicle to solve the problem that it is difficult to form a groove for installing a lamp with sufficient depth and shape by stamping.

[0004] Embodiments of the utility model provide a lamp installation structure, including two outer plates arranged along a first direction;

[0005] Each of the outer plates includes an outer plate body and a lapping flange extending from one side edge of the outer plate body;

[0006] The two lapping flanges are arranged adjacent to each other, and a groove structure recessed from one side edge of the two outer plate bodies along a second direction is formed between the two lapping flanges, and the groove structure is used for setting a lamp.

[0007] Preferably, each of the lapping flanges includes a first connecting portion extending from one side edge of the outer plate body and a second connecting portion extending from one side edge of the first connecting portion;

[0008] The second connecting portion and the outer plate body are located on two planes arranged along the second direction;

[0009] The two second connecting portions are overlapped with each other in the second direction.

[0010] Preferably, a first welding position is provided on the overlapping portion of the two second connecting portions;

[0011] A first welding structure for connecting the two second connecting portions is provided on the first welding position.

[0012] Preferably, each of the lapping flanges is a flanging structure extending from one side edge of the outer plate body along the second direction;

[0013] The lamp mounting structure further includes a connecting member, and the connecting member is connected to the two flanging structures, so that a groove structure is formed between the connecting member and the two overlapping flanges.

[0014] Preferably, the connecting member includes a first connecting plate arranged in a first direction, and two second connecting plates respectively extending from two opposite side edges of the first connecting plate in a second direction;

[0015] Each of the second connecting plates is arranged to overlap with one of the overlapping flanges in the first direction.

[0016] Preferably, the lamp mounting structure further includes an inner plate;

[0017] One side surface of the inner plate abuts against the groove structure.

[0018] Preferably, a second welding position is provided on the abutting portion of the groove structure and the inner plate;

[0019] The second welding position is arranged at an interval from the first welding position;

[0020] A second welding structure for connecting the inner plate and the groove structure is provided on the second welding position.

[0021] Preferably, the inner plate and each of the outer plates are arranged opposite to each other in the second direction to form a filling space;

[0022] The lamp mounting structure further includes a structural adhesive arranged in the filling space.

[0023] Preferably, the inner plate includes an abutting portion and two reinforcing plates respectively extending from two sides of the abutting portion;

[0024] The abutting portion abuts against the bottom surface of the groove structure;

[0025] Each of the reinforcing plates is provided with a reinforcing rib, and the reinforcing rib is connected to the outer plate.

[0026] An embodiment of the present invention further provides an engine cover, including a lamp and the lamp mounting structure according to any one of the above;

[0027] The lamp is assembled in the groove structure of the lamp mounting structure.

[0028] Preferably, in the horizontal direction, the groove structure extends along the length direction of the engine cover, or the groove structure extends along the width direction of the engine cover.

[0029] An embodiment of the present invention further provides a vehicle, including the above engine cover.

[0030] An embodiment of the present utility model provides a lamp installation structure, an engine cover plate, and a vehicle. By using two outer plates to cooperate to form a groove structure for installing a lamp, this lamp installation structure can cope with the installation situation where the installation depth of the lamp is relatively large, and solves the problem that it is difficult to form a groove for installing the lamp with sufficient depth and shape by stamping. Description of the Drawings

[0031] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the description of the embodiments of the present utility model will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0032] Figure 1 is a cross-sectional view of a lamp installation structure in an embodiment of the present utility model;

[0033] Figure 2 is another cross-sectional view of a lamp installation structure in an embodiment of the present utility model;

[0034] Figure 3 is another cross-sectional view of a lamp installation structure in an embodiment of the present utility model;

[0035] Figure 4 is another cross-sectional view of a lamp installation structure in an embodiment of the present utility model.

[0036] In the figure: 1. Outer plate; 11. Outer plate body; 12. Lapping flange; 121. First connection part; 122. Second connection part; 2. Groove structure; 3. First welding position; 4. Connecting piece; 41. First connecting plate; 42. Second connecting plate; 5. Inner plate; 51. Abutting part; 52. Reinforcing plate; 521. Reinforcing rib; 6. Second welding position; 7. Structural adhesive; 8. Glue application groove; 9. First reinforcing piece. Detailed Embodiments

[0037] In order to make the technical problems, technical solutions, and beneficial effects solved by the present utility model clearer and more understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present utility model and are not used to limit the present utility model.

[0038] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two.

[0039] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0040] An embodiment of the present utility model provides a lamp installation structure, as Figure 1 shown, including two outer plates 1 arranged along a first direction; each outer plate 1 includes an outer plate body 11 and a lapping flange 12 extending from one side edge of the outer plate body 11; the two lapping flanges 12 are arranged adjacent to each other, and a groove structure 2 recessed along a second direction is formed between the two lapping flanges 12 from one side edge of the two outer plate bodies 11. The groove structure 2 is used for arranging a lamp.

[0041] Among them, the first direction and the second direction are two mutually perpendicular or nearly perpendicular directions. For example, the first direction can be a horizontal direction, and the second direction can be a vertical direction.

[0042] As an example, the lamp installation structure includes two outer plates 1 arranged along the first direction. Each outer plate 1 includes an outer plate body 11 and a lapping flange 12 extending from one side edge of the outer plate body 11. The lapping flanges 12 in the two outer plates 1 can overlap and lap each other or be connected through other structures, so that the two outer plate bodies 11 and the two lapping flanges 12 cooperate to form a groove structure 2 recessed along the second direction from one side edge of the two outer plate bodies 11. The groove structure 2 is located between the two outer plates 1 and is used for installing a lamp.

[0043] In this example, by using two outer plates 1 to cooperate to form a groove structure 2 for installing a lamp, it is possible to cope with the installation situation where the installation depth of the lamp is relatively large, and solve the problem that it is difficult to form a groove for installing a lamp with sufficient depth and shape by stamping.

[0044] In one embodiment, as Figure 2 shown, each overlapping flange 12 includes a first connecting portion 121 extending from one side edge of the outer plate body 11 and a second connecting portion 122 extending from one side edge of the first connecting portion 121; the second connecting portion 122 and the outer plate body 11 are located on two planes along the second direction; the two second connecting portions 122 are arranged to overlap each other in the second direction.

[0045] As an example, each overlapping flange 12 includes a first connecting portion 121 extending from one side edge of the outer plate body 11 and a second connecting portion 122 extending from the first connecting portion 121. For example, the first connecting portion 121 can be a flanging structure extending along the second direction formed by stamping the edge portion of one side edge of the outer plate body 11, and the second connecting portion 122 can be a flanging structure extending away from the outer plate body 11 along the first direction formed by stamping the edge portion of one side edge of the first connecting portion 121. When forming the first connecting portion 121 by stamping, the entire edge portion of one side edge of the outer plate body 11 can be stamped to make the formed groove structure 2 penetrate between the two outer plate bodies 11, or only a part of the edge portion of one side edge of the outer plate body 11 can be stamped to make the formed groove structure 2 non-penetratingly arranged between the two outer plate bodies 11. After the groove structure 2 is formed in cooperation, the non-stamped parts at the edges of one side edges of the two outer plate bodies 11 are connected to form an integral structure.

[0046] In this example, the second connecting portion 122 and the outer plate body 11 are located on two planes arranged along the second direction. For example, the outer plate body 11 can be arranged on a plane above the plane where the second connecting portion 122 is located, so that the cross-sections of the outer plate body 11, the first connecting portion 121, and the second connecting portion 122 are arranged in a "Z" shape. The two second connecting portions 122 are arranged to overlap each other in the second direction, so that the two outer plate bodies 11, the two first connecting portions 121, and the second connecting portion 122 cooperate to form the groove structure 2. Among them, the overlapping amount of the two second connecting portions 122 in the first direction can be greater than 15 mm, so that when the lamp installation structure is applied to some special scenarios, such as the vehicle engine cover, the strength requirements of this scenario can be met.

[0047] In this example, by arranging the first connecting portion 121 and the second connecting portion 122 in the overlapping flange 12 and making the two second connecting portions 122 overlap each other, when it is difficult to form a groove structure 2 with a specific depth (such as 40 - 60 mm) by ordinary stamping, a groove structure 2 that meets the depth requirement can be formed in cooperation to smoothly assemble the lamp.

[0048] In one embodiment, as Figure 2As shown, a first welding position 3 is provided on the overlapping portion of the two second connecting portions 122; a first welding structure for connecting the two second connecting portions 122 is provided on the first welding position 3.

[0049] As an example, a plurality of first welding positions 3 are provided on the overlapping portion of the two second connecting portions 122. Specifically, a first welding structure connecting the two second connecting portions 122 can be formed by resistance welding or laser welding on the first welding positions 3 to increase the strength and stiffness of the lamp mounting structure.

[0050] In one embodiment, each overlapping flange 12 is a flange structure extending from one side edge of the outer plate body 11 in the second direction; the lamp mounting structure further includes a connecting member 4, and the connecting member 4 is connected to the two flange structures so that a groove structure 2 is formed between the connecting member 4 and the two overlapping flanges 12.

[0051] As an example, the overlapping flange 12 is a flange extending from one side edge of the outer plate body 11 in the second direction. For example, the overlapping flange 12 can be a flange structure extending vertically downward formed by stamping the edge portion of one side edge of the outer plate body 11. During stamping, the entire edge portion of one side edge of the outer plate body 11 can be stamped so that the formed groove structure 2 penetrates between the two outer plate bodies 11, or only a partial edge portion of one side edge can be stamped so that the formed groove structure 2 is non-penetratingly arranged between the two outer plate bodies 11. The lamp mounting structure further includes a connecting member 4, and the connecting member 4 is used to connect the two overlapping flanges 12 so that the two outer plate bodies 11, the two overlapping flanges 12 and the connecting member 4 cooperate to form a groove structure 2.

[0052] In this example, the method of additionally providing a connecting member 4 to connect the two overlapping flanges 12, such as the method of overlapping the second connecting portions 122 with each other, can form a deeper groove structure 2. When it is difficult to form a groove structure 2 with a specific depth (such as 60 - 80 mm) by using the overlapping method, a groove structure 2 that meets the depth requirement can be formed in cooperation to smoothly assemble the lamp.

[0053] In one embodiment, as Figure 3 shown, the connecting member 4 includes a first connecting plate 41 arranged in the first direction and two second connecting plates 42 respectively extending from two opposite side edges of the first connecting plate 41 in the second direction; each second connecting plate 42 is arranged to overlap with a flange structure in the first direction.

[0054] As an example, the connecting member 4 includes a first connecting plate 41 arranged in a first direction and two second connecting plates 42 extending from two opposite side edges of the first connecting plate 41 in a second direction. For example, the connecting member 4 may include a first connecting plate 41 arranged in a horizontal direction and two second connecting plates 42 extending upward in a vertical direction from two opposite side edges of the first connecting plate 41, so that the cross section of the connecting member 4 is in a "U" shape. A first accommodating space for accommodating two flanging structures may be formed between the two second connecting plates 42. The two flanging structures are arranged in the first accommodating space and respectively overlap with one second connecting plate 42, so that the two outer plate bodies 11, the two overlapping flanges 12 and the connecting member 4 cooperate to form a groove structure 2; alternatively, a second accommodating space for accommodating the connecting member 4 may be formed between the two flanging structures. The connecting member 4 is arranged in the second accommodating space, and the two second connecting plates 42 of the connecting member 4 overlap with the two flanging structures, so that the two outer plate bodies 11, the two overlapping flanges 12 and the connecting member 4 cooperate to form a groove structure 2; alternatively, a third accommodating space for accommodating one of the flanging structures may be formed between the two second connecting plates 42, and a fourth accommodating space for accommodating one of the second connecting plates 42 may be formed between the two flanging structures. One flanging structure is arranged in the third accommodating space, one second connecting plate 42 is arranged in the fourth accommodating space, and the two second connecting plates 42 and the two flanging structures overlap with each other, so that the two outer plate bodies 11, the two overlapping flanges 12 and the connecting member 4 cooperate to form a groove structure 2.

[0055] In one embodiment, as Figure 1 shown, the lamp mounting structure further includes an inner plate 5; one side surface of the inner plate 5 abuts against the groove structure 2.

[0056] As an example, the lamp mounting structure further includes an inner plate 5. The inner plate 5 may be arranged opposite to the two outer plates 1 in the second direction, and one side surface of the inner plate 5 abuts against the groove structure 2. By providing the inner plate 5, the stiffness of the lamp mounting structure can be enhanced. When the lamp mounting structure is applied to some special scenarios, such as on a vehicle engine cover, the impact resistance of the lamp mounting structure can be strengthened.

[0057] In one embodiment, as Figure 1 shown, a second welding position 6 is provided on the abutting portion of the groove structure 2 and the inner plate 5; the second welding position 6 is spaced from the first welding position 3; and a second welding structure for connecting the inner plate 5 and the groove structure 2 is provided on the second welding position 6.

[0058] As an example, a plurality of second welding positions 6 are provided on the abutting portion between the groove structure 2 and the inner plate 5. Among them, the second welding positions 6 are arranged at intervals from the first welding positions 3 for connecting two second connecting portions 122. The interval distance between the second welding positions 6 and the first welding positions 3 is greater than or equal to 30 mm to avoid the situation of insufficient strength caused by solder joint shunting. A second welding structure for connecting the inner plate 5 and the groove structure 2 up and down can be welded on the second welding positions 6 by means of resistance welding or laser welding, etc., so as to fixedly connect the inner plate 5 and the two outer plates 1 and increase the strength and stiffness of the lamp installation structure.

[0059] In an embodiment, the inner plate 5 and each outer plate 1 are oppositely arranged in the second direction to form a filling space; the lamp installation structure further includes a structural adhesive 7 arranged in the filling space.

[0060] As an example, the inner plate 5 and each outer plate 1 are oppositely arranged in the second direction. For example, the inner plate 5 can be arranged at intervals up and down with the two outer plates 1 along the vertical direction. A filling space is formed between one side surface of the inner plate 5 and one side surface of the two outer plates 1, and a structural adhesive 7 is arranged in the filling space for bonding the inner plate 5 and the outer plate 1 to improve the connection strength between the inner plate 5 and the outer plate 1 and increase the strength and stiffness of the lamp installation structure.

[0061] In an embodiment, as Figure 1 shown, glue application grooves 8 are provided on the inner plate 5 and / or the outer plate 1, and the structural adhesive 7 is arranged in the glue application grooves 8.

[0062] As an example, glue application grooves 8 can also be provided on the inner plate 5 and / or the outer plate 1. The glue application grooves 8 can be grooves recessed along the second direction formed by stamping on the inner plate 5, or can be grooves formed by the cooperation of two protruding ribs extending along the second direction on one side surface of the outer plate 1. The structural adhesive 7 is arranged in the glue application grooves 8 for bonding the inner plate 5 and the outer plate 1 to improve the connection strength between the inner plate 5 and the outer plate 1 and increase the strength and stiffness of the lamp installation structure.

[0063] In an embodiment, as Figure 4 shown, the inner plate 5 includes an abutting portion 51 and two reinforcing plates 52 respectively extending from both sides of the abutting portion 51; the abutting portion 51 abuts against the bottom surface of the groove structure 2; reinforcing ribs 521 are provided on each reinforcing plate 52, and the reinforcing ribs 521 are in contact with the outer plate 1.

[0064] As an example, the inner panel 5 includes an abutting portion 51 and two reinforcing plates 52 respectively extending from both sides of the abutting portion 51. The abutting portion 51 abuts against the bottom surface of the groove structure 2, and a plurality of second welding positions 6 are provided on the abutting portion of the abutting portion 51 and the groove structure 2. The second welding structure connecting the inner panel 5 and the groove structure 2 up and down can be formed by welding at the second welding positions 6 through methods such as resistance welding or laser welding, so as to fixedly connect the abutting portion 51 and the groove structure 2. The reinforcing plates 52 are arranged opposite to the outer panel 1, and each reinforcing plate 52 is provided with a reinforcing rib 521. The reinforcing rib 521 is arranged opposite to the overlapping flange 12 in the outer panel 1, so that the reinforcing rib 521 is arranged on both sides of the groove structure 2. Structural adhesive 7 can be filled between the reinforcing plate 52 and the outer panel body 11 to adhesively fix the reinforcing plate 52 and the outer panel body 11. The orientations of the two reinforcing ribs 521 are the same as the orientation of the groove structure 2. For example, when the two outer panels 1 are arranged left and right in the horizontal direction, the overlapping flanges 12 in the two outer panels 1 can cooperate to form a groove structure 2 with the front-back direction as the orientation. At this time, the orientations of the two reinforcing ribs 521 are also in the front-back direction; when the two outer panels 1 are arranged front and back in the horizontal direction, the overlapping flanges 12 in the two outer panels 1 can cooperate to form a groove structure 2 with the left-right direction as the orientation, and the orientations of the two reinforcing ribs 521 are also in the left-right direction. One side surface of each reinforcing rib 521 and one side surface of the groove structure 2 can be fixedly bonded through the structural adhesive 7.

[0065] By arranging the abutting portion 51, the reinforcing plates 52 and the reinforcing ribs 521 on the inner panel, a connection and reinforcement structure can be formed between the two outer panels 1, enhancing the strength of the groove structure 2 and preventing the groove structure 2 from being indented and deformed when being impacted.

[0066] The embodiment of the present utility model further provides an engine cover structure, including a lamp and the lamp mounting structure in any one of the above embodiments; the lamp is assembled in the groove structure 2 in the lamp mounting structure. In the horizontal direction, the groove structure 2 extends along the length direction of the engine cover, or the groove structure 2 extends along the width direction of the engine cover.

[0067] As an example, the engine cover includes a lamp and the lamp mounting structure in any one of the above examples. The two outer panels 1 in the lamp mounting structure are the outer panels of the engine cover, and the inner panel 5 in the lamp mounting structure is also the inner panel of the engine cover. The lamp is assembled in the groove structure 2 in the lamp mounting structure. In this example, by using the two outer panels 1 to cooperate to form the groove structure 2 for mounting the lamp, the installation situation with a relatively large installation depth of the lamp can be dealt with, and the problem that it is difficult to form a groove for mounting the lamp with sufficient depth and shape by stamping can be solved.

[0068] The embodiment of the present utility model further provides a vehicle, including the engine cover in the above embodiment.

[0069] As an example, the vehicle includes the engine cover in the above embodiment. In this example, by using two outer plates 1 to cooperate to form a groove structure 2 for installing a lamp, it is possible to cope with the installation situation where the installation depth of the lamp is relatively large, and solve the problem that it is difficult to form a groove for installing the lamp with sufficient depth and shape by stamping.

[0070] The above-described embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention, and should all be included in the protection scope of the present invention.

Claims

1. A lamp installation structure, characterized in that: comprising two outer panels arranged along a first direction; Each of the outer panels comprises an outer panel body and an overlapping flange extending from one side of the outer panel body; The two overlapping flanges are arranged adjacent to each other, and a groove structure is formed between the two overlapping flanges. The groove structure is recessed from one side edge of the two outer plate bodies along the second direction, and the groove structure is used to arrange the lamp.

2. The lamp installation structure according to claim 1, characterized in that: Each of the overlapping flanges includes a first connection portion extending from a side edge of the outer plate body and a second connection portion extending from a side edge of the first connection portion; The second connecting portion and the outer plate body are located on two planes arranged along the second direction; The two second connection portions are arranged to overlap with each other in the second direction.

3. The lamp installation structure according to claim 2, characterized in that: A first welding position is provided on the overlapping portion of the two second connecting parts; A first welding structure connecting the two second connection parts is disposed on the first welding position.

4. The lamp installation structure according to claim 1, characterized in that: Each of the overlapping flanges is a flange structure extending from one side edge of the outer plate body along the second direction; The lamp installation structure also includes a connecting piece, and the connecting piece is connected to the two flange structures so that the groove structure is formed between the connecting piece and the two overlapping flanges.

5. The lamp installation structure according to claim 4, characterized in that: The connecting member comprises a first connecting plate arranged along a first direction, and two second connecting plates extending from two opposite sides of the first connecting plate respectively along a second direction; Each of the second connecting plates is overlapped with one of the overlapping flanges along the first direction.

6. The lamp installation structure according to any one of claims 1 to 5, characterized in that: The lamp installation structure also includes an inner plate; One side surface of the inner plate abuts against the groove structure.

7. The lamp installation structure according to claim 6, characterized in that: A second welding position is provided on the abutting portion between the groove structure and the inner plate; The second welding position is spaced apart from the first welding position; The second welding position is provided with a second welding structure connecting the inner plate and the groove structure.

8. The lamp installation structure according to claim 6, characterized in that: The inner plate and each of the outer plates are arranged opposite to each other in the second direction to form a filling space; The lamp installation structure also includes a structural adhesive arranged in the filling space.

9. The lamp installation structure according to claim 6, characterized in that: The inner plate includes an abutment portion and two reinforcing plates extending from both sides of the abutment portion respectively; The abutting portion abuts against the bottom surface of the groove structure; Each reinforcing plate is provided with a reinforcing rib, and the reinforcing rib is connected to the outer plate.

10. An engine cover, characterized in that: Comprising a lamp and a lamp mounting structure according to any one of claims 1 to 9; The lamp is mounted in a groove structure in the lamp mounting structure.

11. The engine cover according to claim 10, characterized in that: In the horizontal direction, the groove structure extends along the length direction of the engine cover plate, or the groove structure extends along the width direction of the engine cover plate.

12. A vehicle, characterized in that: The invention comprises the engine cover plate as described in any one of claims 10 to 11.

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