Refrigeration equipment

Abstract

The refrigeration equipment comprises a rack assembly and a positioning groove matched with the rack assembly, and the rack assembly comprises a rack body and an adjusting assembly matched with the rack body; the adjusting assembly is arranged in the positioning groove and provided with an adjusting block capable of stretching out of the positioning groove, the rack body is provided with a limiting structure matched with the adjusting block, and the adjusting block can stretch out and draw back to enable the adjusting block to have a positioning state in which the adjusting block abuts against the limiting structure in a matched mode and an adjusting state in which the adjusting block slides relative to the limiting structure; and small-range multi-stage adjustment of the rack body can be realized.

Description

Technical Field

[0001] The invention relates to the field of refrigeration, and in particular to a refrigeration device. Background Art

[0002] At present, refrigerators on the market are equipped with shelves and bottle holders on their cabinets and doors. In order to improve the utilization of space, most shelves and bottle holders can be adjusted in a large range, or can be disassembled to adjust the space, which can meet the user's needs for different spaces for placing items of different heights. However, it is impossible to adjust the height in a small range, and thus cannot meet the needs of more users.

[0003] In addition, most refrigerators on the market have door shelves that are simply hung on the door, and users can easily remove them. If there are fragile or heavy items in the shelves, children can easily remove them, or the shelves and the items in them may accidentally fall, causing injuries. Summary of the invention

[0004] One of the purposes of the present invention is to provide a refrigeration device to solve the technical problem in the prior art that the shelf body cannot be adjusted within a small range.

[0005] To achieve one of the above-mentioned purposes of the invention, one embodiment of the present invention provides a refrigeration device, including a shelf assembly and a positioning groove arranged in cooperation with the shelf assembly, the shelf assembly includes a shelf body and an adjustment assembly arranged in cooperation with the shelf body; the adjustment assembly is arranged in the positioning groove and has an adjustment block that can be retracted out of the positioning groove, the shelf body is provided with a limiting structure that cooperates with the adjustment block, and the adjustment block can be retracted so that the adjustment block has a positioning state in which it abuts against the limiting structure and an adjustment state in which it slides relative to the limiting structure.

[0006] As a further improvement of one embodiment of the present invention, the adjustment assembly includes a fixing member fixed to the positioning groove and a spring sleeved on the fixing member, an adjustment block is arranged at one end of the fixing member, and the free end of the spring abuts against the adjustment block so that the adjustment block can move telescopically.

[0007] As a further improvement of an embodiment of the present invention, the refrigeration device is provided with a plurality of positioning grooves along the height direction, the distance between adjacent positioning grooves along the height direction is between 10-30 mm, and the minimum single adjustment range of the shelf body along the height direction is 10-30 mm.

[0008] As a further improvement of one embodiment of the present invention, the refrigeration equipment is provided with a long groove for the limiting structure to slide vertically, and the refrigeration equipment is provided with two rows of vertically arranged positioning grooves on both sides symmetrically of the long groove, each of the positioning grooves accommodates a group of adjustment components, and the two groups of adjustment components at the same height clamp the two sides of the limiting structure.

[0009] As a further improvement of one embodiment of the present invention, the refrigeration equipment includes a box body and a door body, and the box body and / or the door body are integrally formed with the positioning groove and the long groove; or, the box body and / or the door body are provided with an adjustment base, and the adjustment base is provided with the positioning groove and the long groove.

[0010] As a further improvement of one embodiment of the present invention, the fixing member is a screw, the head of the screw is fixed in the positioning groove, the tail of the screw is connected to the adjustment block, the fixed end of the spring is arranged on the inner wall surface of the positioning groove, and the free end of the spring abuts the adjustment block.

[0011] As a further improvement of one embodiment of the present invention, the limiting structure includes a base, the base is provided with a first abutment surface, the adjustment block has a second abutment surface matching the first abutment surface, when the adjustment block is in a positioning state, the second abutment surface abuts the first abutment surface to limit the downward movement of the shelf body.

[0012] As a further improvement of one embodiment of the present invention, the base includes a head, a middle part and a bottom, the width of the head and the bottom in the front-to-back direction is greater than that of the middle part, and the first abutment surface is formed as the bottom surface of the head; the limiting structure includes a sliding block arranged in the middle part, and the adjustment block can slide over the sliding block and push the sliding block to move along the middle part.

[0013] As a further improvement of one embodiment of the present invention, the upper surface of the adjustment block is a second abutment surface, and the adjustment block has a guide sliding surface connecting the upper surface and the lower surface, and the guide sliding surface is inclined toward the middle part. When the adjustment block is in a positioning state, the vertical projection of the sliding block is located within the guide sliding surface.

[0014] As a further improvement of one embodiment of the present invention, the sliding block is trapezoidal in shape, comprising a first surface facing the head, a second surface facing the bottom, and an inclined surface facing the adjustment block, the width of the first surface is smaller than that of the second surface, and the width of the first surface is not smaller than that of the bottom surface of the head.

[0015] As a further improvement of an embodiment of the present invention, the width of the second surface is not greater than the upper surface of the bottom.

[0016] Compared with the prior art, the present invention provides a refrigeration device, which includes a shelf body and an adjustment component arranged in cooperation with the shelf body, and can achieve multi-level adjustment of the shelf body in a small range. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the cooperation between the shelf assembly and the door body in one embodiment of the present invention.

[0018] Figure 2 It is a schematic diagram of a decomposed rack body according to one embodiment of the present invention.

[0019] Figure 3 It is a three-dimensional view of a shelf body in one embodiment of the present invention.

[0020] Figure 4 It is a schematic diagram of a shelf assembly and a partial structure enlarged diagram in one embodiment of the present invention.

[0021] Figure 5 1 is a side view of a rack assembly according to one embodiment of the present invention.

[0022] Figure 6 It is a cross-sectional view of a shelf assembly along the transverse direction in one embodiment of the present invention.

[0023] Figure 7-Figure 11 It is a schematic diagram of the adjustment process of the adjustment component and the limiting structure in one embodiment of the present invention. DETAILED DESCRIPTION

[0024] The present invention will be described in detail below in conjunction with the specific embodiments shown in the accompanying drawings. However, these embodiments do not limit the present invention, and any structural, methodological, or functional changes made by a person skilled in the art based on these embodiments are all within the scope of protection of the present invention.

[0025] As used herein, terms indicating spatial relative positions such as "upper," "above," "lower," and "below" are used for the purpose of convenience to describe the relationship of one unit or feature relative to another unit or feature as shown in the accompanying drawings. Terms of spatial relative position may be intended to include different orientations of the device in use or operation in addition to the orientation shown in the drawings. For example, if the device in the figure is turned over, units described as being "below" or "beneath" other units or features will be located "above" the other units or features. Thus, the exemplary term "below" can encompass both above and below orientations. The device may be oriented in other ways (rotated 90 degrees or in other orientations), and the spatially relative descriptors used herein interpreted accordingly.

[0026] See also Figure 1-2 , is a structural diagram of a door body and a shelf assembly 100 according to an embodiment of the present invention. The shelf assembly 100 can also be applied to the cabinet of a refrigeration device, or to the cabinet and the door at the same time. Users can configure it according to their needs.

[0027] Preferably, the refrigeration device includes a shelf assembly 100 and a positioning groove 200 arranged in cooperation with the shelf assembly 100, the shelf assembly 100 includes a shelf body 10 and an adjustment assembly 20 arranged in cooperation with the shelf body 10, the shelf body 10 is used to store items, and the adjustment assembly 20 is used to adjust the height position of the shelf body 10 in the vertical direction to adjust the storage space formed above the shelf body 10 to accommodate items of different sizes.

[0028] Preferably, the adjustment component 20 is arranged in the positioning groove 200 and has an adjustment block 21 that can be retracted out of the positioning groove 200, and the shelf body 10 is provided with a limiting structure 12 that cooperates with the adjustment block 21. The adjustment block 21 can be retracted and moved so that the adjustment block 21 has a positioning state of abutting and cooperating with the limiting structure 12 and an adjustment state of sliding relative to the limiting structure 12; so as to realize the adjustment of the shelf body 10 along the height direction.

[0029] Reference Figure 3-6 As shown, the adjusting block 21 is extended and retracted in the horizontal direction. When the adjusting block 21 protrudes out of the positioning groove 200, the adjusting block 21 abuts and cooperates with the limiting structure 12 to realize the positioning of the shelf body 10 and the door body and / or the box body; when the adjusting block 21 is retracted into the positioning groove 200, the adjusting block 21 is separated from the limiting structure 12, the abutment is released, and the shelf body 10 can be adjusted vertically relative to the door body and / or the box body.

[0030] Preferably, the refrigeration equipment is provided with a plurality of positioning grooves 200 along the height direction, and the distance between adjacent positioning grooves 200 along the height direction is between 10-30 mm. Specifically, the distance between the positioning grooves 200 refers to the distance between the bottom, middle or top of two adjacent positioning grooves 200; in other words, the limit block 30 adjusts the required distance between adjacent positioning grooves 200 along the height direction, that is, the minimum single adjustment range of the shelf body 10 along the height direction is 10-30 mm; in a specific embodiment, a small range of height adjustment of 15-30 mm can be achieved.

[0031] In this way, the adjustment component 20 can realize the function of multi-level adjustment of the shelf body 10 in a small range, thereby meeting the user's demand for a wider range of space sizes; at the same time, since the adjustment block 21 of the shelf assembly 100 is in contact with the limiting structure 12, a certain force needs to be applied to remove the shelf body 10, which can prevent children from removing it easily and improve safety.

[0032] The rack body 10 is a drawer-shaped receiving space, which is used to be installed on a door body and / or a box body. The rack body 10 includes side walls 11 located on both sides in the horizontal direction, each of the side walls 11 includes an inner wall 111 and an outer wall 112, the outer wall 112 protrudes outwards by a distance relative to the inner wall 111, and the side surface of the inner wall 111 is provided with the limiting structure 12, so that the outer side surface of the limiting structure 12 will not exceed the outer wall surface of the outer wall 112, and will not affect the installation and adjustment of the rack body 10.

[0033] Preferably, the refrigeration device is provided with a long slot 210 for the limiting structure 12 to slide vertically, and the refrigeration device is provided with two rows of vertically arranged positioning slots 200 symmetrically on both sides of the long slot 210, each of the positioning slots 200 accommodates a group of adjustment components 20, and the two groups of adjustment components 20 at the same height clamp the two sides of the limiting structure 12. The two sides of the limiting structure 12 are evenly stressed and the adjustment is stable.

[0034] The housing and / or door of the refrigeration device may be integrally formed with the positioning groove 200 and the long groove 210, which simplifies the process and saves costs; alternatively, the housing and / or door may be provided with an adjustment base 300, and the adjustment base 300 may be provided with the positioning groove 200 and the long groove 210 to strengthen the connection and fixation, and users may make different configurations according to different needs.

[0035] Reference Figure 4-6 As shown, the following is described in combination with a specific embodiment. The shelf body 10 is arranged on the door body, and the door body is provided with an adjusting base 300. The adjusting base 300 is correspondingly arranged at the inner wall 111. The inner wall surface 301 of the adjusting base 300 is attached to the outer surface of the inner wall 111. The inner wall surface 301 is recessed to form a long groove 210 for the limiting structure 12 to slide vertically.

[0036] At the same time, the adjusting base 300 is symmetrically provided with positioning grooves 200 along both sides of the long groove 210, and the positioning grooves 200 extend in the horizontal front-to-back direction. In this way, the adjusting blocks 21 are located on both sides of the limiting structure 12, and the adjusting blocks on both sides extend toward the limiting structure 12 at the same time to abut against the positioning limiting structure 12, or retract the positioning grooves 200 at the same time, away from the limiting structure 12 to release the positioning, and the shelf body 10 can slide vertically.

[0037] Preferably, the adjustment assembly 20 includes a fixing member 22 fixed to the positioning groove 200 and a spring 23 sleeved on the fixing member 22, an adjustment block 21 is arranged at one end of the fixing member 22, and a free end of the spring 23 abuts against the adjustment block 21 so that the adjustment block 21 can move telescopically.

[0038] The fixing member 22 is a screw, the head of the screw 22 is fixed to the positioning groove 200 , the tail of the screw is connected to the adjustment block 21 , the fixed end of the spring 23 is arranged on the inner wall surface of the positioning groove 200 , and the free end of the spring 23 abuts the adjustment block 21 .

[0039] Reference Figure 6-7 As shown, the fixing member 22 is locked in the positioning groove 200 and cannot move, the spring 23 is sleeved on the rod of the screw, and one end of the spring abuts against the inner wall surface of the positioning groove 200 and cannot be displaced, which is called the fixed end, and the other end of the spring abuts against the adjustment block 21 and can be extended and retracted in the horizontal direction, which is called the free end. The initial state of the limit block 21 is the positioning state, the limit block 21 protrudes out of the positioning groove 200 and enters the long groove 210, and the spring 23 is in a normal state. When the height needs to be adjusted, the limit block 21 needs to move into the positioning groove 200. In this way, the spring 23 is compressed and has elastic force, which can provide the reset force of the limit block 21.

[0040] Preferably, the limiting structure 12 includes a base 13, the base 13 is provided with a first abutting surface 1311, the adjustment block 21 has a second abutting surface 211 matching with the first abutting surface 1311, and when the adjustment block 21 is in a positioning state, the second abutting surface 211 abuts against the first abutting surface 1311 to limit the downward movement of the shelf body 10.

[0041] The first abutting surface 1311 and the second abutting surface 211 are planarly abutted, and the first abutting surface 1311 presses against the second abutting surface 211, so that the first abutting surface 1311 cannot move directly downward. In other words, the rack body 10 cannot be adjusted directly downward. At the same time, it can also prevent children from accidentally touching the rack body 10, causing the rack body 10 to fall and accidentally injure the children.

[0042] Preferably, the base 13 includes a head 131, a middle part 132 and a bottom 133, the width of the head 131 and the bottom 133 in the front-to-back direction is greater than that of the middle part 132, and the first abutment surface 1311 is formed as the bottom surface of the head 131; the limiting structure 12 includes a sliding block 15 arranged in the middle part, and the adjustment block 21 can slide over the sliding block 15 and push the sliding block 15 to move along the middle part 132.

[0043] The limiting structure 12 further sets a sliding block 15. The adjusting block 21 cannot directly go over the head 131 of the base 13 upwards, so it is set to slide downward over the sliding block 15 first, and then push the sliding block 15 to move together. Through the transition of the sliding block 15, it slides over the head 131 to achieve upward movement, so that the object shelf body 10 achieves downward movement.

[0044] Preferably, the upper surface of the adjustment block 21 is a planar second abutment surface 211, and the adjustment block 21 has a guide sliding surface 212 connecting the upper surface and the lower surface, and the guide sliding surface 212 is inclined toward the middle portion 132; the adjustment block 21 is wide at the top and narrow at the bottom, and the upper end of the guide sliding surface 212 is close to the middle portion 132, while the lower end of the guide sliding surface 212 is relatively far away from the middle portion 132; in this way, when the guide sliding surface 212 is subjected to an upward abutment force, the adjustment block 21 will move in a horizontal direction away from the middle portion 132.

[0045] When the adjusting block 21 is in the positioning state, the vertical projection of the sliding block 15 is located within the guide surface 212, ensuring that the adjusting block 21 can slide through the guide surface 212. Specifically, the horizontal width of the sliding block 15 should be within the width range of the guide surface 212, so that when the rack body 10 moves upward, both sides of the sliding block 15 can abut against the guide surface 212, and at the same time, when the rack body 10 moves downward, the guide surface 212 can move upward against the sliding block 15. Figure 7-8 shown.

[0046] Preferably, the sliding block 15 is in the shape of an inverted isosceles trapezoid, and includes a first surface 151 facing the head 131, a second surface 152 facing the bottom 133, and an inclined surface 153 facing the adjustment block 21, the width of the first surface 151 is greater than the second surface 152, and the width of the first surface 151 is not less than the bottom surface of the head 151. It is ensured that the adjustment block 21 can slide upward over the head 131 by means of the sliding block 15.

[0047] Reference Figure 9-10 As shown, when the rack body 10 moves downward all the way, the adjusting block 21 can move upward against the sliding block 15. When it moves to the junction of the sliding block 15 and the head 131, if the adjusting block 21 wants to slide smoothly over the head 131, the width of the first surface 151 must be greater than or equal to the width of the bottom surface of the head 151. Otherwise, the adjusting block 21 will still be stuck on the bottom surface of the head 151.

[0048] Reference Fig.11 As shown, the rack body 10 moves downward all the time, and the adjustment block 21 can smoothly slide over the head 131 of the base against the sliding block 15. When the sliding block 15 smoothly slides over the head 13, the sliding block 15 automatically falls back to the bottom 133; Figure 6 As shown, when the rack body 10 moves to the next set of positioning grooves 200, the adjustment blocks 21 of the next set of adjustment components 20 slide from the base bottom 133 to the head 131 in sequence. Figure 8-11 As shown in FIG. 1 , when the adjustment block 21 slides to the head 131, the user needs to pull it upward in the opposite direction so that the adjustment block 21 is stuck under the head 131 and restored to the state as shown in FIG. Figure 7 Positioning status shown.

[0049] Preferably, the width of the second surface 152 is not greater than the upper surface of the bottom, otherwise, the adjusting block 21 will be stuck on the second surface 152 of the sliding block 15 and cannot move upward.

[0050] Ginseng Figure 6-7 As shown, when the rack body 10 needs to be adjusted upward, force is applied upward to the rack body 10, and the guide surface 212 of the adjustment block 21 will slide over the sliding block 15 and the bottom 133 of the base in sequence, so that the adjustment block 21 and the limiting structure 12 are released from contact, and the rack body 10 continues to move upward to the previous set of positioning grooves 200, and the adjustment block 21 directly slides over the head 131 and is stuck on the bottom surface of the head 131, that is, the second contact surface 211 of the adjustment block 21 and the first contact surface 1311 of the limiting structure 12 are contacted and positioned.

[0051] If the rack body 10 is to be removed from the door and / or box, it slides through the uppermost or lowermost positioning slot 200, and children cannot easily remove the rack body 10, thereby preventing the rack body 10 from being easily removed and falling to injure children.

[0052] In a specific embodiment, the installation process of the shelf assembly 100 is as follows: first, the spring 23 is installed into the positioning groove 200 of the adjustment base 300, and then the limit block 21 is installed into the corresponding position of the positioning groove 200, and finally the fixing member 22 is locked into the positioning groove 200 from the outside to the inside. At the same time, the rod of the fixing member 22 passes through the spring 23 and the limit block 21, and the spring 23 and the limit block 21 are fixed to the positioning groove 200, so that the limit block 21 can be retracted into the positioning groove 200 after being squeezed, and can automatically reset when no force is applied, and pop out of the positioning groove 200.

[0053] The shelf assembly 100 is applied to a door body and / or a box body, and the assembled adjustment base 300 is integrated into the door body lining, and the door body is foamed as a whole so that the adjustment base 300 is fixed to the door lining; the assembled adjustment base 300 is integrated into the inner shell and then foamed as a whole so that the adjustment base 300 is fixed to the inner shell.

[0054] The sliding block 15 is clamped onto the base 13 of the rack body 10 so that it can slide freely up and down along the middle portion 132 of the base without sliding upward over the head 131. The sliding block 15 is normally located above the bottom 133. In this way, the rack body 10 and the adjustment assembly 20 are assembled separately.

[0055] The inner side wall 111 of the rack body 10 has a special limiting structure 12. The rack body 10 is installed from bottom to top. When the limiting structure 12 moves upward, it gives an extrusion force to the limiting block 21, causing it to shrink inward. When the extrusion force disappears, the limiting block 21 is reset under the action of the spring. At this time, the first abutting surface 1311 of the limiting structure 12 overlaps the second abutting surface 211 of the limiting block 21, thereby limiting the rack body 10 from moving downward and playing a fixing role.

[0056] The movement principle of the rack assembly 100 is briefly described below: the rack body 10 can be adjusted upward by directly applying force until it is locked into the upper-level positioning groove 220, see above.

[0057] When the rack body 10 is adjusted downward, the rack body 10 needs to be lifted upward first, so that the limit block 21 slides below the sliding block 15. Figure 8 Then, the rack body 10 moves downward, so that the limit blocks 21 on both sides drive the sliding block 15 to move upward until it slides over the sliding block 15 and the head 131, Figure 9-10 Then, continue to let the rack body 10 move downward, the limit blocks 21 on both sides of the limit block 21 can be completed away from the limit structure 12, so as to adjust toward the next level positioning groove 200, reference Fig.11 shown.

[0058] The beneficial effects of the present invention are as follows: the shelf body 10 can achieve multi-level adjustment in a small range of at least 10 mm; the shelf assembly 100 can be removed only when it is moved to the top or bottom, thereby preventing children from being accidentally touched or injured.

[0059] It should be understood that although this specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each implementation mode may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

[0060] The series of detailed descriptions listed above are only specific descriptions of feasible implementation methods of the present invention. They are not intended to limit the scope of protection of the present invention. Any equivalent implementation methods or changes that do not deviate from the technical spirit of the present invention should be included in the scope of protection of the present invention.

Claims

1. A refrigeration device, characterized in that: The utility model comprises a rack assembly and a positioning groove which is arranged in cooperation with the rack assembly, and the rack assembly comprises a rack body and an adjustment assembly which is arranged in cooperation with the rack body; the adjustment assembly is arranged in the positioning groove and has an adjustment block which can be extended out of the positioning groove, and the rack body is provided with a limiting structure which cooperates with the adjustment block, and the adjustment block can be retracted so that the adjustment block has a positioning state in which the adjustment block abuts against the limiting structure and an adjustment state which slides relative to the limiting structure.

2. The refrigeration equipment according to claim 1, characterized in that: The adjustment component includes a fixing piece fixed to the positioning groove and a spring sleeved on the fixing piece. An adjustment block is arranged at one end of the fixing piece. The free end of the spring abuts against the adjustment block so that the adjustment block can move telescopically.

3. The refrigeration equipment according to claim 1, characterized in that: The refrigeration device is provided with a plurality of positioning grooves along the height direction, the distance between adjacent positioning grooves along the height direction is between 10-30 mm, and the minimum single adjustment range of the shelf body along the height direction is 10-30 mm.

4. The refrigeration equipment according to claim 1, characterized in that: The refrigeration device is provided with a long groove for the limiting structure to slide vertically. The refrigeration device is provided with two rows of vertically arranged positioning grooves on both sides of the long groove symmetrically. Each positioning groove accommodates a group of adjustment components. The two groups of adjustment components located at the same height clamp the two sides of the limiting structure.

5. The refrigeration equipment according to claim 4, characterized in that: The refrigeration device comprises a box body and a door body, and the box body and / or the door body are integrally formed with the positioning groove and the long groove; or, the box body and / or the door body are provided with an adjustment base, and the adjustment base is provided with the positioning groove and the long groove.

6. The refrigeration equipment according to claim 2, characterized in that: The fixing member is a screw, the head of the screw is fixed to the positioning groove, the tail of the screw is connected to the adjustment block, the fixed end of the spring is arranged on the inner wall surface of the positioning groove, and the free end of the spring abuts the adjustment block.

7. The refrigeration equipment according to claim 2, characterized in that: The limiting structure includes a base, the base is provided with a first abutting surface, the adjustment block has a second abutting surface matching the first abutting surface, when the adjustment block is in a positioning state, the second abutting surface abuts the first abutting surface to limit the downward movement of the shelf body.

8. The refrigeration device according to claim 7, characterized in that: The base includes a head, a middle part and a bottom, the width of the head and the bottom in the front-to-back direction is greater than that of the middle part, and the first abutment surface is formed as the bottom surface of the head; the limiting structure includes a sliding block arranged in the middle part, and the adjustment block can slide over the sliding block and push the sliding block to move along the middle part.

9. The refrigeration device according to claim 8, characterized in that: The upper surface of the adjustment block is a second abutment surface, and the adjustment block has a guide sliding surface connecting the upper surface and the lower surface, and the guide sliding surface is inclined toward the middle part. When the adjustment block is in a positioning state, the vertical projection of the sliding block is located within the guide sliding surface.

10. The refrigeration device according to claim 9, characterized in that: The sliding block is trapezoidal in shape and includes a first surface facing the head, a second surface facing the bottom, and an inclined surface facing the adjustment block. The width of the first surface is smaller than that of the second surface, and the width of the first surface is not smaller than that of the bottom surface of the head.

11. The refrigeration device according to claim 10, characterized in that: The width of the second surface is not greater than the upper surface of the bottom.

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