Vibration reduction structure, fan assembly and range hood

Abstract

The utility model provides a vibration damping structure, a fan assembly and a range hood, and relates to the technical field of kitchen appliances, the vibration damping structure provided by the utility model comprises a fixing ring and a vibration damping pad, and the vibration damping pad is connected to the fixing ring. The fixing ring comprises a first arc part and a second arc part which are detachable, so that after the first arc part and the second arc part are detached, the in-ring area and the out-ring area of the fixing ring are communicated.

Description

Technical Field

[0001] The utility model relates to the technical field of kitchen appliances, in particular to a vibration reduction structure, a fan assembly and a range hood. Background Art

[0002] At present, with the development of the kitchen appliance industry, more and more kitchen tools are moving towards improving user experience. With the version of the new national standard, more and more attention will be paid to the working noise of range hoods. The noise of range hoods generally includes aerodynamic noise and noise caused by structural resonance. Structural noise is mostly caused by resonance due to insufficient strength of the range hood body. Therefore, structural devices are added to weaken vibration and reduce structural noise.

[0003] The existing vibration reduction structure is cumbersome to assemble. For example, according to the solution disclosed in the patent application number CN201821055821.5, if a product upgrade is to be carried out, the vibration reduction structure can be assembled on the original fan assembly. The wires connecting the tail end of the motor in the fan assembly to the main control of the range hood need to be removed first, and then the wires are passed through the annular vibration reduction structure, and then the wires are connected to the main controller. The range hood needs to be disassembled, which is cumbersome. Utility Model Content

[0004] The utility model aims to provide a vibration reduction structure, a fan assembly and a range hood to alleviate the technical problem of difficult assembly of the existing vibration reduction structure.

[0005] In a first aspect, the utility model provides a vibration reduction structure, comprising:

[0006] A fixing ring, the fixing ring comprising a detachable first arc portion and a second arc portion, so that after the first arc portion and the second arc portion are detached, the inner region of the fixing ring is connected to the outer region of the fixing ring;

[0007] Vibration damping pad, the vibration damping pad is connected to the fixing ring.

[0008] Further, a first connection structure is provided at one end of the first arc portion, and a second connection structure is provided at the other end of the first arc portion; a third connection structure is provided at one end of the second arc portion, and a fourth connection structure is provided at the other end of the second arc portion;

[0009] The first connection structure is connected to the third connection structure, and the second connection structure is connected to the fourth connection structure.

[0010] Further, the first connection structure and the third connection structure are connected by a first screw;

[0011] And / or, the second connection structure and the fourth connection structure are connected by a first screw.

[0012] Further, the first connection structure includes a first connection plate, the first connection plate is provided with a first mounting hole, the front surface of the first connection plate is flush with the front surface of the first arc portion, and the back surface of the first connection plate is lower than the back surface of the first arc portion;

[0013] The third connection structure includes a third connection plate, the third connection plate is provided with a third mounting hole, the back surface of the third connection plate is flush with the back surface of the second arc portion, and the front surface of the third connection plate is lower than the front surface of the second arc portion;

[0014] The back side of the first connecting piece is fitted with the front side of the third connecting piece, and the first mounting hole and the third mounting hole are aligned and fixed by a first screw.

[0015] Further, the second connection structure includes a second connection plate, a second mounting hole is provided on the second connection plate, a front side of the second connection plate is flush with a front side of the first arc portion, and a back side of the second connection plate is lower than a back side of the first arc portion; the fourth connection structure includes a fourth connection plate, a fourth mounting hole is provided on the fourth connection plate, a back side of the fourth connection plate is flush with a back side of the second arc portion, and a front side of the fourth connection plate is lower than a front side of the second arc portion; the back side of the second connection plate is fitted with the front side of the fourth connection plate, and the second mounting hole is aligned with the fourth mounting hole and fixed by a first screw;

[0016] Alternatively, the second connecting structure includes a second connecting plate, a second mounting hole is provided on the second connecting plate, the back side of the second connecting plate is flush with the back side of the first arc portion, and the front side of the second connecting plate is lower than the front side of the first arc portion; the fourth connecting structure includes a fourth connecting plate, a fourth mounting hole is provided on the fourth connecting plate, the front side of the fourth connecting plate is flush with the front side of the second arc portion, and the back side of the fourth connecting plate is lower than the back side of the second arc portion; the front side of the second connecting plate is in contact with the back side of the fourth connecting plate, and the second mounting hole and the fourth mounting hole are aligned and fixed by the first screw.

[0017] Furthermore, a fixing portion protruding radially inward is provided on the inner wall of the fixing ring, and the fixing portion is used to be connected to the motor;

[0018] A reinforcing portion protruding radially inward is arranged on the inner wall of the fixing ring, and the reinforcing portion is connected with the fixing portion to form an integral structure.

[0019] In a second aspect, the utility model provides a fan assembly, comprising the above-mentioned vibration reduction structure.

[0020] Further, the fan assembly includes a volute, a motor and a third screw;

[0021] The volute is provided with a plurality of first connection holes arranged in a circle;

[0022] The vibration damping pad is provided with a second connection hole corresponding to the first connection hole;

[0023] The vibration reduction structure is provided with a third connection hole corresponding to the first connection hole and the second connection hole;

[0024] The third screw passes through the first connecting hole, the second connecting hole and the third connecting hole in sequence to connect the volute, the vibration-damping pad and the vibration-damping structure.

[0025] Furthermore, the fan assembly also includes a volute and a motor, and the volute is provided with a plurality of first connection holes arranged in a circular connection position; the motor is connected to the vibration reduction structure;

[0026] Each connection position is fixedly connected with a vibration damping pad;

[0027] An annular groove is provided on the circumferential outer wall of the vibration damping pad;

[0028] A notch is arranged on the circumferential outer wall of the fixing ring, and the fixing ring is located in the middle of the plurality of vibration-damping pads. The notch is used for plugging with the annular groove to prevent the fixing ring from moving axially relative to the vibration-damping pad.

[0029] In a third aspect, the utility model provides a range hood comprising the above-mentioned fan assembly.

[0030] The utility model has at least the following advantages or beneficial effects:

[0031] The vibration reduction structure provided by the utility model comprises: a fixing ring and a vibration reduction pad, wherein the vibration reduction pad is connected to the fixing ring. The fixing ring comprises a detachable first arc part and a second arc part, so that after the first arc part and the second arc part are detached, the inner area of ​​the fixing ring is connected with the outer area of ​​the ring.

[0032] When assembling the vibration reduction structure, the motor can be removed from the volute without removing the cable connecting the motor and the main controller. The first arc part and the second arc part of the fixing ring are separated, and the first arc part and the second arc part are moved toward each other from the left and right sides of the cable respectively and connected and assembled. At this time, the cable is located inside the fixing ring, and then the motor, the fixing ring, the vibration reduction pad and the volute are connected together in turn to complete the assembly of the vibration reduction structure. In this process, there is no need to remove the cable of the motor, which can reduce the replacement time and reduce the process steps. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0034] Figure 1 A schematic diagram of a vibration reduction structure provided by an embodiment of the utility model;

[0035] Figure 2 A schematic diagram of a fixing ring of a vibration reduction structure provided in an embodiment of the utility model;

[0036] Figure 3 A disassembled diagram of a fixing ring of the vibration reduction structure provided in an embodiment of the utility model;

[0037] Figure 4 A disassembled diagram of another fixing ring of the vibration reduction structure provided in an embodiment of the utility model;

[0038] Figure 5 A disassembled diagram of another fixing ring of the vibration reduction structure provided in an embodiment of the utility model;

[0039] Figure 6 A schematic diagram of a first fan assembly provided by an embodiment of the utility model;

[0040] Figure 7 A schematic diagram of a second fan assembly provided in an embodiment of the utility model.

[0041] Icons: 100 - vibration reduction structure; 110 - fixing ring; 111 - first arc portion; 1111 - first connecting piece; 1112 - second connecting piece; 112 - second arc portion; 1121 - third connecting piece; 1122 - fourth connecting piece; 113 - reinforcement portion; 114 - notch;

[0042] 120 - vibration damping pad; 121 - annular groove;

[0043] 200-volute; 300-motor;

[0044] 400-support ring; 500-buffer spring. DETAILED DESCRIPTION

[0045] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0046] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0047] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0048] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0049] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0050] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" 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 a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0051] In the prior art, the motor 300 bracket is directly connected to the support foot on the volute 200 by screws. During the upgrading and transformation process, it is necessary to add a vibration reduction structure 100 to the motor 300 and the volute 200 bracket. Figure 1 As shown, the vibration reduction structure 100 provided by the utility model includes: a fixing ring 110 and a vibration reduction pad 120. The fixing ring 110 can balance the vibration of each connection. The vibration reduction pad 120 is made of elastic material and can absorb part of the vibration to achieve the purpose of vibration reduction and noise reduction.

[0052] The vibration-damping pad 120 may be connected to the fixing ring 110 by screws, or may be connected to the fixing ring 110 by other means.

[0053] like Figure 2 As shown, the fixing ring 110 includes a detachable first arc portion 111 and a second arc portion 112. The first arc portion 111 and the second arc portion 112 are connected and fixed to form a circular ring shape. After the first arc portion 111 and the second arc portion 112 are disassembled, the first arc portion 111 and the second arc portion 112 can be disassembled. A gap appears at the disassembly position of the complete fixing ring 110, and the gap connects the inner area of ​​the fixing ring 110 with the outer area of ​​the ring. After the assembly is completed, the first arc portion 111 and the second arc portion 112 can be connected. After the connection, the fixing ring 110 is restored to a complete state, and the inner area of ​​the ring is no longer connected with the outer area of ​​the ring. When assembling the vibration damping structure 100, the motor 300 can be removed from the volute 200 without removing the cable connecting the motor 300 and the main controller. The first arc portion 111 and the second arc portion 112 of the fixing ring 110 are separated, and the first arc portion 111 and the second arc portion 112 are moved toward each other from the left and right sides of the cable respectively and assembled together. At this time, the cable is located inside the ring of the fixing ring 110. Then, the motor 300, the fixing ring 110, the vibration damping pad 120 and the volute 200 are connected together in sequence to complete the assembly of the vibration damping structure 100. In this process, there is no need to remove the cable of the motor 300, which can reduce the replacement time and the process steps.

[0054] A first connection structure is provided at one end of the first arc portion 111, and a second connection structure is provided at the other end of the first arc portion 111; a third connection structure is provided at one end of the second arc portion 112, and a fourth connection structure is provided at the other end of the second arc portion 112; the first connection structure is connected to the third connection structure, and the second connection structure is connected to the fourth connection structure. The connection mode of the first connection structure and the third connection structure and the connection mode of the second connection structure and the fourth connection structure can be the same or different.

[0055] Specifically, the first connection structure and the third connection structure can be connected by a first screw; the second connection structure and the fourth connection structure can also be connected by a first screw. The first screw does not refer to a fixed part, but generally refers to a screw used to connect the first connection structure and the third connection structure, and the second connection structure and the fourth connection structure.

[0056] like Figure 3 and Figure 4As shown, the first connection structure includes a first connection piece 1111, the curvature of the first connection piece 1111 is the same as the curvature of the first arc portion 111, and the first connection piece 1111 is provided with a first mounting hole, and the number of the first mounting holes may be one or more. The first connection piece 1111 is connected to the end of the first arc portion 111 in a stepped shape, the front of the first connection piece 1111 is flush with the front of the first arc portion 111, and the back of the first connection piece 1111 is lower than the back of the first arc portion 111. The third connecting structure includes a third connecting piece 1121, on which a third mounting hole is arranged, which is exactly opposite to the arrangement of the first connecting piece 1111. The back side of the third connecting piece 1121 is flush with the back side of the second arc portion 112, and the front side of the third connecting piece 1121 is lower than the front side of the second arc portion 112. When connected, the back side of the first connecting piece 1111 fits with the front side of the third connecting piece 1121, and the first mounting hole and the third mounting hole are aligned and fixed by the first screw.

[0057] like Figure 3 As shown, the fitting directions of the two ends can be the same, the second connection structure includes a second connection piece 1112, the second connection piece 1112 is provided with a second mounting hole, the front side of the second connection piece 1112 is flush with the front side of the first arc portion 111, and the back side of the second connection piece 1112 is lower than the back side of the first arc portion 111; the fourth connection structure includes a fourth connection piece 1122, the fourth connection piece 1122 is provided with a fourth mounting hole, the back side of the fourth connection piece 1122 is flush with the back side of the second arc portion 112, and the front side of the fourth connection piece 1122 is lower than the front side of the second arc portion 112; the back side of the second connection piece 1112 fits with the front side of the fourth connection piece 1122, and the second mounting hole and the fourth mounting hole are aligned and fixed by the first screw.

[0058] Or, in another possible implementation, such as Figure 4As shown, the fitting directions of the two ends can be opposite, and the second connection structure includes a second connection piece 1112, on which a second mounting hole is provided, the back side of the second connection piece 1112 is flush with the back side of the first arc portion 111, and the front side of the second connection piece 1112 is lower than the front side of the first arc portion 111; the fourth connection structure includes a fourth connection piece 1122, on which a fourth mounting hole is provided, the front side of the fourth connection piece 1122 is flush with the front side of the second arc portion 112, and the back side of the fourth connection piece 1122 is lower than the back side of the second arc portion 112; the front side of the second connection piece 1112 fits with the back side of the fourth connection piece 1122, and the second mounting hole and the fourth mounting hole are aligned and fixed by a first screw. During the process of plugging the ends of the first arc portion 111 and the second arc portion 112 together, since the fitting directions of the first connecting piece 1111 and the third connecting piece 1121 are different from the fitting directions of the second connecting piece 1112 and the fourth connecting piece 1122, a pre-interlocking effect can be achieved to prevent the first arc portion 111 and the second arc portion 112 from separating, making it easier to insert the first screw later.

[0059] like Figure 5 As shown, a fixing portion protruding radially inward is provided on the inner wall of the fixing ring 110, and the fixing portion is used to connect with the motor 300; a reinforcing portion 113 protruding radially inward is provided on the inner wall of the fixing ring 110, and the reinforcing portion 113 is connected with the fixing portion to form an integral structure. The reinforcing portion 113 is added next to the protruding fixing portion to improve the strength of the fixing ring 110 body.

[0060] The fan assembly provided by the utility model includes the above-mentioned vibration reduction structure 100.

[0061] In the first feasible solution, Figure 6 As shown, the fan assembly includes a volute 200, a motor 300 and a third screw;

[0062] A plurality of support legs arranged in a circle are provided in the middle of the volute 200, three in the present embodiment, and a first connection hole is provided on each support leg, and the number of the first connection holes may be three. A second connection hole corresponding to the first connection hole is provided on the vibration damping pad 120. A third connection hole corresponding to the first connection hole and the second connection hole is provided on the vibration damping structure 100. From the inside to the outside, the support legs, the fixing ring 110, the vibration damping pad 120 and the fan are arranged in sequence. The third screw passes through the first connection hole, the second connection hole and the third connection hole in sequence to connect the volute 200, the vibration damping pad 120 and the vibration damping structure 100, and the vibration damping pad 120 can reduce the vibration transmitted by the fan to the volute 200.

[0063] In the second feasible solution, Figure 7As shown, the fan assembly also includes a volute 200 and a motor 300. A support ring 400 is fixedly connected to the volute 200, and the support ring 400 and the volute 200 can be connected by screws. The support ring 400 is provided with a plurality of connection positions arranged along a circle, and a first connection hole can be provided at the connection position. A connecting ring is fixedly connected to the outer wall of the motor 300, and the connecting ring is fixedly connected to the fixing ring 110 of the vibration reduction structure 100 by screws.

[0064] Each connection position is fixedly connected with a vibration damping pad 120. The vibration damping pad 120 can be columnar, and a second connection hole is set on its axis and passes through its two ends. The vibration damping pad 120 can be fixedly connected to the support ring 400 by screws passing through the second connection holes and connecting with the first connection holes.

[0065] An annular groove 121 is provided on the circumferential outer wall of the vibration-damping pad 120. A notch 114 is provided on the circumferential outer wall of the fixing ring 110. The fixing ring 110 is located in the middle of the plurality of vibration-damping pads 120. The notch 114 is used to be plugged into the annular groove 121 to prevent the fixing ring 110 from moving axially relative to the vibration-damping pad 120. During installation, the vibration-damping pad 120 can be connected to the notch 114 first, and then the vibration-damping pad 120 can be connected to the support ring 400. The three vibration-damping pads 120 at 120° can prevent the fixing ring 110 from moving laterally. The fixing ring 110 and the vibration-damping pad 120 are non-rigidly connected to reduce vibration transmission and reduce working noise.

[0066] Furthermore, a buffer spring 500 may be provided on the support ring 400 , one end of the buffer spring 500 abuts against the support ring 400 , and the other end of the buffer spring 500 abuts against the fixing ring 110 .

[0067] The range hood provided by the utility model comprises the above-mentioned fan assembly.

[0068] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A vibration reduction structure, characterized in that: include: A fixing ring (110), the fixing ring (110) comprising a detachable first arc portion (111) and a second arc portion (112), so that after the first arc portion (111) and the second arc portion (112) are detached, an inner region of the fixing ring (110) is connected to an outer region of the fixing ring (110); A vibration-damping pad (120), wherein the vibration-damping pad (120) is connected to the fixing ring (110).

2. The vibration reduction structure according to claim 1, characterized in that: A first connection structure is provided at one end of the first arc portion (111), and a second connection structure is provided at the other end of the first arc portion (111); a third connection structure is provided at one end of the second arc portion (112), and a fourth connection structure is provided at the other end of the second arc portion (112); The first connection structure is connected to the third connection structure, and the second connection structure is connected to the fourth connection structure.

3. The vibration reduction structure according to claim 2, characterized in that: The first connecting structure and the third connecting structure are connected by a first screw; And / or, the second connection structure and the fourth connection structure are connected by a first screw.

4. The vibration reduction structure according to claim 2, characterized in that: The first connection structure comprises a first connection sheet (1111), the first connection sheet (1111) is provided with a first mounting hole, the front surface of the first connection sheet (1111) is flush with the front surface of the first arc portion (111), and the back surface of the first connection sheet (1111) is lower than the back surface of the first arc portion (111); The third connection structure comprises a third connection piece (1121), the third connection piece (1121) is provided with a third mounting hole, the back surface of the third connection piece (1121) is flush with the back surface of the second circular arc portion (112), and the front surface of the third connection piece (1121) is lower than the front surface of the second circular arc portion (112); The back surface of the first connecting piece (1111) is fitted with the front surface of the third connecting piece (1121), and the first mounting hole and the third mounting hole are aligned and fixed by a first screw.

5. The vibration reduction structure according to claim 2, characterized in that: The second connection structure comprises a second connection piece (1112), a second mounting hole is arranged on the second connection piece (1112), a front side of the second connection piece (1112) is flush with a front side of the first arc portion (111), and a back side of the second connection piece (1112) is lower than a back side of the first arc portion (111); the fourth connection structure comprises a fourth connection piece (1122), a fourth mounting hole is arranged on the fourth connection piece (1122), a back side of the fourth connection piece (1122) is flush with a back side of the second arc portion (112), and a front side of the fourth connection piece (1122) is lower than a front side of the second arc portion (112); the back side of the second connection piece (1112) is in contact with the front side of the fourth connection piece (1122), and the second mounting hole and the fourth mounting hole are aligned and fixed by a first screw; Alternatively, the second connection structure comprises a second connection plate (1112), the second connection plate (1112) is provided with a second mounting hole, the back side of the second connection plate (1112) is flush with the back side of the first circular arc portion (111), and the front side of the second connection plate (1112) is lower than the front side of the first circular arc portion (111); the fourth connection structure comprises a fourth connection plate (1122), the fourth connection plate (1122) is provided with a fourth mounting hole, the front side of the fourth connection plate (1122) is flush with the front side of the second circular arc portion (112), and the back side of the fourth connection plate (1122) is lower than the back side of the second circular arc portion (112); the front side of the second connection plate (1112) is in contact with the back side of the fourth connection plate (1122), and the second mounting hole and the fourth mounting hole are aligned and fixed by a first screw.

6. The vibration reduction structure according to claim 1, characterized in that: The inner wall of the fixing ring (110) is provided with a fixing portion protruding radially inward, and the fixing portion is used to be connected to the motor (300); A reinforcing portion (113) protruding radially inward is provided on the inner wall of the fixing ring (110), and the reinforcing portion (113) is connected to the fixing portion to form an integral structure.

7. A fan assembly, characterized in that: The vibration reduction structure (100) comprises the vibration reduction structure (100) according to any one of claims 1 to 6.

8. The fan assembly according to claim 7, characterized in that: The fan assembly comprises a volute (200), a motor (300) and a third screw; The volute (200) is provided with a plurality of first connection holes arranged in a circle; The vibration-damping pad (120) is provided with a second connection hole corresponding to the first connection hole; The vibration reduction structure (100) is provided with a third connection hole corresponding to the first connection hole and the second connection hole; The third screw passes through the first connection hole, the second connection hole and the third connection hole in sequence, thereby connecting the volute (200), the vibration-damping pad (120) and the vibration-damping structure (100).

9. The fan assembly according to claim 7, characterized in that: The fan assembly further comprises a volute (200) and a motor (300); the volute (200) is provided with a plurality of first connection holes arranged in a circular arrangement; the motor (300) is connected to the vibration reduction structure (100); Each of the connection positions is fixedly connected to a vibration-damping pad (120); An annular groove (121) is provided on the circumferential outer wall of the vibration-damping pad (120); A notch (114) is provided on the circumferential outer wall of the fixing ring (110); the fixing ring (110) is located in the middle of the plurality of vibration-damping pads (120); the notch (114) is used to be plugged into the annular groove (121) to prevent the fixing ring (110) from moving axially relative to the vibration-damping pads (120).

10. A range hood, characterized in that: A fan assembly comprising any one of claims 7 to 9.

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