Draining rack assembly structure

By setting up columns with guide grooves on the seat of the drain frame and setting up sliders at the end of the bridge frame, the height of the storage space is adjustable, solving the problems of height irrelevant and non-retractable storage in the prior art, and improving the user experience and aesthetics.

CN222815737UActive Publication Date: 2025-05-02ZHEJIANG YOUBANG INTEGRATED CEILING
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Patent Information

Application Number
CN202421590173.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-05
Publication Date
2025-05-02
Estimated Expiration
2034-07-05

AI Technical Summary

Technical Problem

The height of the existing drain rack is unadjustable, which makes it impossible to place higher items and affects the convenience of picking and placement, and is not retractable and stored, resulting in dust accumulation and poor aesthetics.

Method used

By providing a column with a guide groove on the seat body and a slider at the end of the bridge frame, the bridge frame can be lifted and lowered along the guide groove and snapped to the fixed connection, thereby adjusting the height of the storage space.

Benefits of technology

The height of the storage space is adjustable, meeting the placement needs of different items, making it convenient to pick up and place, improving the user experience, and avoiding dust accumulation through a retractable design, improving aesthetics.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a draining rack assembly structure. The height of a placement space of an existing draining rack cannot be adjusted, and the use experience is affected. The water draining groove comprises a base body of the water draining groove and a bridge frame arranged above the water draining groove, the base body is provided with stand columns which are transversely arranged in a split mode, the stand columns are provided with guide grooves which are vertically through, the ends of the bridge frame are connected between the adjacent stand columns in a bridging mode through sliding blocks, and the sliding blocks ascend and descend along the guide grooves and are clamped and fixed. Therefore, the height of the storage space between the bridge and the draining groove can be adjusted. The bridge frame ascends and descends along the guide grooves through the sliding blocks and is fixedly connected in a clamped mode, so that the bridge frame can be suspended above the base body through the stand columns after ascending and descending are adjusted in place, it is ensured that the height of the storage space can be adjusted according to the use requirement, the article storage requirement is met, taking and placing are convenient, and the use experience is improved.
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Description

Technical Field

[0001] The utility model relates to the field of furniture, and specifically designs an assembly structure of a drain rack. Background Art

[0002] The existing drain rack includes a drain trough and a bridge frame arranged above the drain trough, and a storage space is formed between the bridge frame and the drain trough. The water source attached to the items in the storage space flows downward by its own gravity and drips into the drain trough, ensuring that the items can effectively drain the water source and preventing the water source from flowing outward. The existing bridge frame is set above the drain trough through a fixed rod, resulting in the height of the storage space being unadjustable. Not only can higher items not be placed due to insufficient height of the storage space, but it is also easy to affect the convenience of taking and placing due to the excessive height of the storage space, affecting the user experience.

[0003] In addition, the existing drain rack cannot be retracted and stored, which causes the drain rack to accumulate dust due to long-term exposure to the outside, and also affects the aesthetics. Utility Model Content

[0004] In order to address the deficiencies in the prior art, the utility model provides a drain rack assembly structure, in which the bridge frame is installed on a base body through columns with guide grooves, so that the height of the storage space can be adjusted, which not only meets the needs of placing items, but also facilitates taking and placing, thereby improving the user experience.

[0005] The utility model is realized in the following manner: a drain rack assembly structure, including a drain trough seat and a bridge frame arranged above the drain trough, the seat body is provided with horizontally arranged columns, the columns are provided with vertically penetrating guide grooves, the ends of the bridge frame are bridged between adjacent columns through sliders, the sliders are lifted and lowered along the guide grooves and fixed by clamping, so that the height of the storage space between the bridge frame and the drain trough can be adjusted. The bridge frame is lifted and lowered along the guide grooves and fixed by clamping by the sliders, so that the bridge frame can be suspended above the seat body by the columns after the lifting and adjustment is in place, ensuring that the height of the storage space can be adjusted according to the use requirements, which not only meets the requirements for placing items, but also facilitates taking and placing, and improves the use experience. After the slider is lifted and lowered into place along the guide groove, it is screwed and locked by fasteners, so that the slider is fixed at the preset position of the guide groove and stably supports the bridge frame.

[0006] Preferably, the bottom end of the column is vertically fixed to the base through a connecting assembly, the connecting assembly includes a jumper plate that is connected to the notch of the drain trough and a plug-in plate arranged on the jumper plate, the top surface of the plug-in plate is provided with a positioning protrusion, the bottom end surface of the column is sleeved on the corresponding positioning protrusion through the end notch of the guide groove, the plug-in plate is overlapped on the jumper plate and screwed and locked by fasteners. The plug-in plate can be plugged and fixed with the bottom end of the column through the positioning protrusion, and can also be fixedly connected with the jumper plate, ensuring that the column can be fixed to the base in a vertical posture, thereby ensuring that the bridge is always located above the drain trough.

[0007] Preferably, the two ends of the jumper plate are overlapped on the two side edges of the notch of the drain trough, which not only effectively simplifies the structure of the drain trough and ensures that the inner groove cavity of the drain trough is connected and will not affect the discharge of water, but also ensures that the middle section of the jumper is suspended on the drain trough and effectively supports the column, ensures that the column can be fixedly connected to the middle part of the end face of the bridge frame, ensures that the bridge frame is located above the notch of the drain trough, and ensures that the dripping water source falls smoothly into the drain trough.

[0008] Preferably, a vertical screw hole is provided on the bottom surface of the plug board below the positioning protrusion. The screw hole is formed by using the thickness of the positioning protrusion, and the screw connection reliability is improved by increasing the depth of the screw hole, so as to ensure that the jumper board and the plug board are firmly connected.

[0009] Preferably, the column is a profile, the cross section of the column is rectangular, and the long sides of the column are provided with the guide groove. The column is a profile, which is convenient for processing and cutting to a preset length. The guide groove is provided on the long side, which not only improves the connection reliability with the slider by increasing the size of the guide groove, but also effectively reduces the width dimension of the column and maintains a good structural strength, thereby reducing the gap size between adjacent bridges and improving the aesthetics.

[0010] Preferably, the top of the column is provided with a decorative cover with a horizontal screw hole, which is covered on the top of the column and screwed and locked. The decorative cover is used to cover the top of the column, which not only improves the aesthetics, but also prevents dust from falling into the guide groove, ensuring that the slider can be lifted and lowered smoothly.

[0011] Preferably, the bridge frame includes a long strip-shaped body and a functional part detachably buckled on the bottom surface of the body, the bottom surface of the body is provided with a buckle groove penetrating along its length direction, the functional part is buckled in the buckle groove through a buckle provided on the top thereof, so that the functional part can be slidably suspended on the bottom surface of the body. The buckle groove is used to buckle the hanging functional part, and the functional part is used to hang and fix various items, which not only ensures that various items are firmly suspended by the corresponding functional parts, but also facilitates the hanging requirements of different items by disassembling and replacing the functional parts, thereby effectively utilizing the placement space.

[0012] Preferably, the buckle grooves are at least connected and symmetrically arranged along the width direction of the body. By providing multiple buckle grooves, the number of hanging functional parts is increased, and the utilization efficiency of the placement space is improved by staggered hanging, thereby improving the user experience.

[0013] Preferably, the buckle slot is in a shape of a small opening and a large cavity, and the fastener is inserted into the buckle slot and overlapped on the side edge of the slot opening of the buckle slot to limit the fastener from falling out of the buckle slot downward. The fastener passes through the slot opening of the buckle slot through compression deformation, and then contacts the side edge of the slot opening of the buckle slot through reset, ensuring that the functional part is suspended below the body through the fastener buckled in the buckle slot.

[0014] Preferably, the functional part is a hook, a cup holder or a storage box. Various functional parts are provided to meet the hanging requirements of different items, ensure that various items are effectively hung, and prevent items from detaching from the functional parts and falling.

[0015] Preferably, the end face of the body is covered with an edge-sealing plate, which is fixed to the body via fasteners provided at both ends, and the slider is fixed to the middle of the edge-sealing plate facing away from the body. The edge-sealing plate is used to cover the end face of the body, which not only improves the aesthetics, but also facilitates the installation of the slider at the end of the body.

[0016] Preferably, a groove with a convex buckle is provided in the middle of the bottom surface of the body, and the bridge includes a power supply board buckled in the groove, and a mounting groove is provided in the power supply board, which is open downward and for plugging and unplugging power supply components, and a power supply bar is provided in the mounting groove, and the electrical component is inserted into the mounting groove and electrically connected to the power supply bar for operation. The power supply bar is provided in the power supply board, and the electrical component is plugged into the mounting groove and electrically connected to the power supply bar. The electrical component is pluggable and slidably connected to the mounting groove, which not only uses the power supply board to isolate and protect the power supply bar, but also facilitates the plugging and connection of the electrical component and its operation after obtaining electrical energy, and the position and type of the electrical component can be adjusted as needed.

[0017] Preferably, the top surface of the body is provided with a light-transmitting hole with a light-transmitting decorative piece, and a light-emitting piece is provided below the light-transmitting decorative piece, and the light generated by the light-emitting piece passes through the light-transmitting decorative piece and diffuses outward. A space for the light-emitting piece to be installed is provided in the body, and the light generated by the light-emitting piece passes through the light-transmitting decorative piece and transmits outward, playing the role of lighting and decoration.

[0018] Preferably, the notch of the drain trough is opened upward, and a drain port is provided at the bottom of the drain trough, so that the drain trough can receive dripping water and drain it out through the drain port to prevent water accumulation and breeding of bacteria. A drain plate with drain holes is provided at the notch of the drain trough, and a bracket is provided on the drain plate, so as to effectively utilize the bottom area of ​​the placement space and provide a placement position for various items.

[0019] Preferably, the drain rack assembly structure includes an operating table with a slot, and the seat body is movably arranged in the slot, so that the drain rack can be switched between a use state in which the notch of the drain slot is flush with the operating table and an idle state in which the column is completely hidden in the operating table. The drain rack can be raised and lowered as a whole on the operating table, which is convenient for use and can be completely hidden by switching to an idle state, thereby improving the aesthetics.

[0020] The beneficial effects of the utility model are as follows: the bridge frame is lifted and lowered along the guide groove by the slider and fixedly connected, so that the bridge frame can be suspended above the seat body by the column after being lifted and adjusted into place, ensuring that the height of the storage space can be adjusted according to usage requirements, which not only meets the needs of placing items, but also facilitates taking and placing, and improves the usage experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the assembly structure of the drain rack;

[0022] Figure 2 It is a schematic diagram of the disassembled structure of the drain rack;

[0023] Figure 3 is a cross-sectional schematic diagram of the assembly structure of the bridge;

[0024] Figure 4 is a schematic cross-sectional structural diagram of the main body and the power supply board;

[0025] Figure 5 is a schematic cross-sectional view of the assembly structure of the connection component;

[0026] In the figure: 1, drain trough, 2, base, 3, bridge, 4, column, 5, guide groove, 6, plug-in board, 7, positioning protrusion, 8, jumper board, 9, decorative cover, 10, main body, 11, functional part, 12, buckle groove, 13, edge banding board, 14, slider, 15, power supply board, 16, installation groove, 17, embedded groove, 18, convex buckle, 19, light hole, 20, drain board. DETAILED DESCRIPTION

[0027] The essential features of the present utility model are further described below in conjunction with the accompanying drawings and specific implementation methods.

[0028] like Figure 1 and 2 The drain rack assembly structure shown is composed of a base 2 of a drain trough 1 and a bridge 3 arranged above the drain trough 1. The base 2 is provided with horizontally arranged columns 4, and the columns 4 are provided with vertically penetrating guide grooves 5. The end of the bridge is bridged between adjacent columns 4 through a slider 14, and the slider 14 is lifted and lowered along the guide groove 5 and fixed by clamping, so that the storage space between the bridge 3 and the drain trough 1 can be adjusted in height. The bridge 3 is lifted and lowered along the guide groove 5 and fixed by clamping through the slider 14, so that the bridge 3 can be suspended above the base 2 through the columns 4 after being lifted and adjusted to the right position, ensuring that the height of the storage space can be adjusted according to the use requirements, which not only meets the needs of placing items, but also facilitates taking and placing, and improves the use experience.

[0029] In actual operation, the bottom end of the column 4 is vertically fixed to the base 2 through a connecting assembly, and the bridge 3 is installed between adjacent columns 4 through a slider 14 so that the distance between the bridge 3 and the drain trough 1 is adjustable and the vertical projections of the two overlap, ensuring that the water dripping from the objects on the bridge 3 can fall completely into the drain trough 1.

[0030] In actual operation, a placement space is formed between the bridge frame 3 and the drain trough 1. The height of the placement space is adjusted by adjusting the height of the bridge frame 3, which not only ensures that the height of the placement space meets the requirements for placing items, but also facilitates the user to take and place items, and facilitates the taking and placing operations.

[0031] In actual operation, the connection assembly includes a jumper plate 8 connected to the notch of the drain tank 1 and a plug-in plate 6 (such as Figure 5 As shown in the figure, the top surface of the plug-in board 6 is provided with a positioning protrusion 7, and the bottom end surface of the column 4 is sleeved on the corresponding positioning protrusion 7 through the end notch of the guide groove 5, and the plug-in board 6 is overlapped on the jumper board 8 and screwed and locked by fasteners. The two ends of the jumper board 8 are overlapped on the two side edges of the notch of the drain trough 1, and the length of the jumper board 8 is greater than the notch width of the drain trough 1, so that the two ends of the jumper board 8 can be vertically overlapped on the two side edges of the notch of the drain trough 1, ensuring that the weight of the bridge frame 3 and the column 4 can be transferred to the side edge of the notch of the drain trough 1 through the jumper board 8, thereby ensuring that the bridge frame 3 is effectively supported by the column 4. The plug-in block is inserted on the bottom end surface of the column 4 through the positioning protrusion 7, which plays a role in limiting the posture of the column 4, ensuring that the column 4 always maintains a vertical posture, thereby ensuring that the bridge frame 3 raised and lowered along the column 4 is always located above the drain trough 1, and ensuring that the drain trough 1 can effectively receive the water source dripping from the objects in the placement space. A vertical screw hole is set in the bottom surface of the plug-in board 6 below the positioning protrusion 7, and the thickness of the positioning protrusion 7 is effectively utilized to open the screw hole. The screw connection of the fastener is facilitated by increasing the depth of the screw hole, ensuring that the plug-in board 6 is firmly connected to the middle section of the cross-border board, and then the displacement of the column 4 is limited by fixing the plug-in board 6, ensuring that the column 4 always maintains a vertical posture.

[0032] In actual operation, the column 4 is a profile, which is convenient for batch processing and can be cut into any length according to the use requirements, which is convenient for assembly and use. The cross section of the column 4 is rectangular, and the long sides of the column 4 are provided with the guide groove 5, which is convenient for setting between adjacent bridges 3, effectively reducing the distance between adjacent bridges 3 and improving the aesthetics. The guide groove 5 can also be set on the long side to increase the width of the guide groove 5, improve the connection reliability between the slider 14 and the guide groove 5, and prevent the slider 14 from deflecting and offsetting in the guide groove 5 due to concentrated force.

[0033] In actual operation, the top of the column 4 is provided with a decorative cover 9 with a horizontal screw hole, which is covered on the top of the column 4 and screwed and locked. The decorative cover 9 is covered on the top surface of the column 4 and fixedly locked by a fastener passing through the horizontal screw hole.

[0034] In actual operation, the columns 4 are arranged in a single row and horizontally separated, and corresponding bridges 3 are set between adjacent columns 4. Each bridge 3 can be independently adjusted according to needs, and can also be independently adjusted to achieve equal height settings, which should be regarded as specific embodiments of the present utility model. By setting multiple columns 4 to install multiple bridges 3, it is possible to prevent the bridge 3 from collapsing and deforming in the middle due to excessive length, effectively improve the load-bearing performance of the bridge 3, and use the same modular structure to simplify the assembly steps and improve installation efficiency.

[0035] In actual operation, the bridge frame 3 includes a long strip-shaped body 10 and a functional part 11 (such as a Figure 3 As shown in the figure, the bottom surface of the body 10 is provided with a buckle groove 12 running through the length direction thereof, and the functional part 11 is buckled in the buckle groove 12 through a buckle provided at the top thereof, so that the functional part 11 can be slidably suspended on the bottom surface of the body 10. The functional part 11 is provided below the bridge 3, and the functional part 11 serves to hang various items, so that various items can be firmly suspended below the bridge 3 to prevent them from falling off. The functional part 11 can be a hook, a cup holder or a storage box, etc., which should all be regarded as specific embodiments of the present utility model.

[0036] In actual operation, the buckle grooves 12 are at least connected and symmetrically arranged along the width direction of the body 10, which provides the possibility of staggered arrangement of the functional parts 11, effectively utilizing the width of the drain trough 1 to increase the number of items hung, thereby increasing the storage quantity of the placement space and improving the user experience. The two buckle grooves 12 have the same structure, so that the functional parts 11 can be shared, effectively improving the utilization efficiency of the components and facilitating processing and production.

[0037] In actual operation, the buckle slot 12 is in a shape of a small opening and a large cavity, and the fastener is inserted into the buckle slot 12 and overlaps the side edge of the slot opening of the buckle slot 12 to prevent the fastener from falling out of the buckle slot 12. The fastener passes through the slot opening of the buckle slot 12 by contraction deformation, and then expands and resets in the slot cavity of the buckle slot 12, so that the fastener is stuck in the buckle slot 12, ensuring that the functional component 11 can be firmly suspended under the body 10 and bear the weight of the object.

[0038] In actual operation, the end face of the body 10 is covered with an edge sealing plate 13, which is fixed to the body 10 via fasteners provided at both ends, and the slider 14 is fixed to the middle of the edge sealing plate 13 facing away from the body 10. The contour of the edge sealing plate 13 matches the contour of the end face of the body 10, and plays a role in blocking the end face of the body 10, which not only prevents external dust from entering the body 10, but also improves the aesthetics, and facilitates the installation of the slider 14, ensuring that the slider 14 guides the body 10 to rise and fall.

[0039] In actual operation, the bottom middle of the main body 10 is provided with a groove 17 with a convex buckle 18 (such as Figure 4 As shown), the bridge 3 includes a power supply board 15 buckled in the embedded groove 17, and the power supply board 15 is provided with a mounting groove 16 that is exposed downward and for plugging and unplugging the power supply device. The mounting groove 16 is provided with a power supply bar. The electrical device is inserted into the mounting groove 16 and contacts the power supply bar to conduct electricity. An embedded groove 17 is provided in the middle of the bottom surface of the main body 10, and a convex buckle 18 is provided in the embedded groove 17. A groove is provided on the outer wall of the power supply board 15. The power supply board 15 is inserted into the embedded groove 17 and is placed on the convex buckle 18 through the groove to ensure that the power supply board 15 is firmly stuck in the embedded groove 17. The power supply board 15 is provided with a mounting groove 16, and conductive strips are provided on both sides of the mounting groove 16. The electrical device is buckled in the mounting groove 16 and connected to the corresponding conductive strip through the conductive part, so that the electrical device is powered on. The conductive strip and the mounting groove 16 are arranged along the length direction of the power supply board 15, so that the electrical device can slide along the mounting groove 16 and always remain powered on, effectively improving the user experience.

[0040] In actual operation, the top surface of the main body 10 is a horizontal plane for placing dry items to increase the load capacity of the drain rack. The top surface of the main body 10 is provided with a light-transmitting hole 19 with a light-transmitting decorative piece, and a light-emitting piece is provided below the light-transmitting decorative piece. The light generated by the light-emitting piece passes through the light-transmitting decorative piece and diffuses outward. The main body 10 is provided with a cavity for installing the light-emitting piece, which not only protects the light-emitting piece and its wires, but also ensures that the light-emitting piece can be installed below the light-transmitting hole 19, so that the light can be transmitted outward.

[0041] In actual operation, the notch of the drain trough 1 is opened upward, and a drain outlet is provided at the bottom of the drain trough 1. The water source received by the drain trough 1 converges to the drain outlet at the bottom wall and is discharged outward in a centralized manner to prevent water source accumulation in the drain trough 1.

[0042] In actual operation, a drain plate 20 with drain holes is provided at the notch of the drain trough 1, and a bracket is provided on the drain plate 20. The shape of the bracket can be set according to the structural characteristics of the items to be placed, which not only ensures that the items are placed stably, but also helps the items drain the attached water source.

[0043] In actual operation, the drain rack assembly structure includes an operating table with a slot, and the base 2 is arranged in the slot in a liftable manner, so that the drain rack can be switched between a use state in which the slot of the drain trough 1 is flush with the operating table and an idle state in which the column 4 is completely hidden in the operating table. The slot is arranged on the operating table, and the vertical projection of the drain rack completely falls into the slot, ensuring that the drain rack can be completely hidden in the slot. A vertical guide rail and a motor that drives the drain rack to rise and fall are arranged in the slot, so that the drain rack can be switched between a use state and an idle state.

Claims

1. A drain rack assembly structure, comprising a base (2) of a drain trough (1) and a bridge (3) arranged above the drain trough (1), characterized in that: The seat body (2) is provided with horizontally arranged columns (4), the columns (4) are provided with vertically penetrating guide grooves (5), the ends of the bridge frame are bridged between adjacent columns (4) via sliders (14), the sliders (14) are lifted and lowered along the guide grooves (5) and are fixedly clamped, so that the height of the storage space between the bridge frame (3) and the drain trough (1) can be adjusted.

2. A drain rack assembly structure according to claim 1, characterized in that: The bottom end of the column (4) is vertically fixed to the base (2) through a connecting assembly, and the connecting assembly includes a jumper plate (8) bridged at the notch of the drain trough (1) and a plug-in plate (6) arranged on the jumper plate (8), and the top surface of the plug-in plate (6) is provided with a positioning protrusion (7), and the bottom end surface of the column (4) is sleeved on the corresponding positioning protrusion (7) through the end notch of the guide groove (5), and the plug-in plate (6) is overlapped on the jumper plate (8) and screwed and locked by fasteners.

3. A drain rack assembly structure according to claim 2, characterized in that: The two ends of the jumper plate (8) overlap the two side edges of the notch of the drain trough (1); or, the bottom surface of the plug-in plate (6) is provided with vertical screw holes in the area below the positioning protrusion (7).

4. The drain rack assembly structure according to claim 1, characterized in that: The column (4) is a profile, the cross section of the column (4) is rectangular, and the long sides of the column (4) are provided with the guide grooves (5); or, the top end of the column (4) is provided with a decorative cover (9) with horizontal screw holes, and the decorative cover (9) covers the top end of the column (4) and is screwed and locked.

5. A drain rack assembly structure according to any one of claims 1 to 4, characterized in that: The bridge frame (3) comprises a long strip-shaped body (10) and a functional part (11) detachably buckled on the bottom surface of the body (10); the bottom surface of the body (10) is provided with a buckle groove (12) penetrating along its length direction; the functional part (11) is buckled in the buckle groove (12) via a buckle provided on the top thereof, so that the functional part (11) can be slidably suspended on the bottom surface of the body (10).

6. A drain rack assembly structure according to claim 5, characterized in that: The buckle groove (12) is at least connected to the root and symmetrically arranged along the width direction of the body (10); or, the buckle groove (12) is in the shape of a small mouth and a large cavity, and the fastener is inserted into the buckle groove (12) and overlaps the side edge of the groove opening of the buckle groove (12) to limit the fastener from being disengaged from the buckle groove (12) downward; or, the functional part (11) is a hook, a cup holder or a storage box.

7. The drain rack assembly structure according to claim 5, characterized in that: The end surface of the body (10) is covered with an edge sealing plate (13), the edge sealing plate (13) is fixedly connected to the body (10) by fasteners arranged at both ends, and the slider (14) is fixedly connected to the middle part of the edge sealing plate (13) on the side facing away from the body (10); or, a groove (17) with a convex buckle (18) is arranged in the middle of the bottom surface of the body (10), and the bridge (3) includes a power supply board (15) buckled in the groove (17), and the power supply board (15) is provided with a mounting groove (16) which is exposed downward and for plugging and unplugging power supply components, and a power supply bar is arranged in the mounting groove (16), and the electrical component is inserted into the mounting groove (16) and contacts the power supply bar to conduct electricity.

8. The drain rack assembly structure according to claim 5, characterized in that: The top surface of the main body (10) is provided with a light-transmitting hole (19) with a light-transmitting decorative piece, and a light-emitting piece is provided below the light-transmitting decorative piece, and light generated by the light-emitting piece passes through the light-transmitting decorative piece and then diffuses outward.

9. A drain rack assembly structure according to any one of claims 1 to 4, characterized in that: The notch of the drain trough (1) is opened upwards, a drainage outlet is provided at the bottom of the drain trough (1), a drain plate (20) with drainage holes is provided at the notch of the drain trough (1), and a bracket is provided on the drain plate (20).

10. A drain rack assembly structure according to any one of claims 1 to 4, characterized in that: The drain rack assembly structure comprises an operating table with a groove, and the base (2) is arranged in the groove in a liftable manner, so that the drain rack can be switched between a use state in which the groove of the drain groove (1) is flush with the operating table and an idle state in which the column (4) is completely hidden in the operating table.