A smart integrated power distribution cabinet

Abstract

This invention discloses an intelligent integrated power distribution cabinet, comprising a cabinet body, a mounting frame, a guide frame, a winding roller, a waterproof sleeve, a suspended frame plate, and a locking device. The mounting frame is fixed to the top of the cabinet body, and the guide frame is located at the bottom. The winding roller is positioned below the mounting frame and is wrapped with the waterproof sleeve. The hollow suspended frame plate is positioned above the guide frame and can slide along the inner wall of the cabinet as rainwater rises, causing the waterproof sleeve to unfold and cover the electrical equipment. The locking device includes a locking pin, a locking spring, and a float ball. Normally, it locks the winding roller; the lock is released when rainwater submerges the float ball. This invention effectively prevents water accumulation from submerging electrical equipment through the automatically unfolding waterproof sleeve, making it suitable for prolonged flooding situations without affecting normal heat dissipation and maintenance.

Description

Technical Field

[0001] This invention relates to the field of power equipment technology, and more specifically, to an intelligent integrated power distribution cabinet. Background Technology

[0002] A distribution cabinet is a terminal device in a power distribution system, which assembles switching equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or panel according to electrical wiring requirements.

[0003] Since most smart distribution cabinets are installed outdoors, heavy rainfall often occurs in rainy areas of the south. Coupled with the inadequacy of urban drainage systems, rainwater that accumulates on the ground in a short period of time cannot be drained away quickly. Furthermore, due to the poor urban drainage system, the water in the city gradually rises, and the rainwater inside the distribution cabinet may come into contact with various circuits, which can easily cause short circuits or even safety accidents.

[0004] To prevent rainwater from submerging the distribution cabinet, existing technology typically incorporates a buoyancy device. When the water level rises, this device lifts the internal electrical equipment, preventing accidents caused by flooding. However, the buoyancy device has a limited range of elevation. In severe urban flooding, this elevation is insufficient, and the internal electrical equipment remains susceptible to submersion. Summary of the Invention

[0005] This invention overcomes the shortcomings of existing technologies that use buoyancy devices to prevent electrical equipment from being damaged by water accumulation. However, the buoyancy devices have limited height, which is insufficient for severe urban flooding, leaving the internal electrical equipment vulnerable to water inundation. This invention provides an intelligent integrated distribution cabinet that can maintain good waterproofing even during continuous heavy rainfall and prolonged water accumulation, preventing electrical equipment inside the cabinet from malfunctioning or malfunctioning due to rising water levels.

[0006] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: an intelligent integrated power distribution cabinet, comprising:

[0007] The cabinet has an internal mounting rack for installing electrical equipment, with the top of the mounting rack fixedly connected to the top of the cabinet; a guide frame is fixedly installed at the bottom of the mounting rack.

[0008] The take-up roller is located below the mounting frame and is wrapped with a waterproof sleeve.

[0009] The hollow suspended frame is positioned above the guide frame. As rainwater rises, the suspended frame slides vertically along the inner wall of the cabinet due to the buoyancy of the rainwater. The waterproof sleeve passes over the guide frame and seals and fixes itself to the bottom edge of the suspended frame.

[0010] The locking device locks the take-up roller under normal conditions to prevent it from rotating; when the rainwater rises, the locking device can release the lock on the take-up roller, allowing it to rotate freely.

[0011] In this invention, a suspended frame plate is installed, allowing it to rise with the height of the accumulated water. As the suspended frame plate rises, it moves the waterproof sleeve upwards (the waterproof sleeve has a rectangular cross-section, is wound around a take-up roller, and can be made of materials such as plastic film). The waterproof sleeve covers the mounting frame and the electrical equipment on it, thus preventing water from submerging the electrical equipment. Due to the waterproof sleeve, a good waterproof condition is maintained for a long time, preventing malfunctions or accidents caused by rainwater immersion in the electrical equipment inside the distribution cabinet, even during prolonged flooding. Furthermore, the suspended frame plate in this application can move all the way to the top of the cabinet, meaning that as long as the rainwater does not submerge the entire cabinet, this application can provide waterproofing and protection for the electrical equipment on the entire mounting frame. Additionally, when there is no rainwater immersion, the suspended frame plate rests against the guide frame, without obstructing the heat dissipation grooves on the cabinet, and does not affect the normal heat dissipation inside the cabinet.

[0012] Preferably, a plurality of locking holes are provided in the circumferential direction at the end of the take-up roller; the locking device includes a locking pin provided at one end of the take-up roller, a locking spring that pushes the locking pin toward the locking hole, and a floating ball connected to the top of the locking pin; after the rainwater rises and submerges the floating ball, the floating ball floats up and the locking pin disengages from the locking hole.

[0013] To prevent the waterproof sleeve wrapped around the winding roller from becoming unraveled during cabinet handling, a locking device is installed. When there is no flooding or cabinet handling, the locking pin remains inserted in the locking hole under the action of the locking spring, thus locking the winding roller and preventing it from rotating. However, in the event of flooding or water accumulation, the rising rainwater submerges the float, causing it to rise and disengage the locking pin from the locking hole.

[0014] Preferably, a wrench hole is provided at the end of the take-up roller away from the locking device.

[0015] The wrench hole in this application is a hexagonal wrench hole, which can be used with an L-shaped wrench, so that the waterproof sleeve can be rewound onto the winding roller after flooding by rotating the winding roller, making it convenient for the next use.

[0016] Preferably, an unlocking rod is rotatably mounted on the top of the float, an installation cavity is provided on the side wall of the cabinet, a locking device is installed in the installation cavity, a square groove is provided on the top of the installation cavity, a dome hole is provided in the middle of the square groove, and a crossbar corresponding to the square groove is provided on the unlocking rod.

[0017] When it is necessary to rotate the take-up roller, the unlocking lever can be pulled upwards. When the crossbar is exposed at the top of the mounting cavity, rotate the unlocking lever to make the crossbar and the square groove a certain distance apart. At this time, the locking pin is separated from the locking hole, and the take-up roller can be rotated easily with a wrench.

[0018] Preferably, guide rollers are provided around the guide frame, and the waterproof sleeve slides along the guide rollers.

[0019] As the suspended frame rises with the rainwater, the waterproof sleeve slides along the guide roller, thereby reducing the resistance to the upward movement of the waterproof roller.

[0020] Preferably, the outer side wall of the suspended frame is provided with several guide rollers, and the inner side wall of the cabinet is provided with guide grooves in the vertical direction, so that the guide rollers roll along the guide grooves.

[0021] The combination of guide rollers and guide grooves can more effectively improve the stability of the suspended frame plate moving upward.

[0022] Preferably, each side of the suspended frame corresponding to the inner wall of the cabinet is provided with at least two guide rollers.

[0023] The two guide rollers and guide grooves work together to more effectively improve the stability of the suspended frame plate as it moves upward.

[0024] Preferably, the guide groove is provided with several abutting arc rods along its length, and the abutting arc rods are rotatably mounted on the side wall of the cabinet; the guide roller rolls upward along the abutting arc rods and acts on the abutting arc rods, the abutting arc rods rotate around the rotation point, the guide rollers pass the top of the abutting arc rods, and the abutting arc rods return to their original position under the action of gravity; when the guide rollers slide down, the top of the abutting arc rods plays a limiting role in the guide rollers.

[0025] The guide roller rolls upward along the abutment arc, acting on the abutment arc, which rotates around the pivot point. As the guide roller passes the top of the abutment arc, the abutment arc returns to its original position under gravity; when the guide roller slides down, the top of the abutment arc acts as a limit to its movement.

[0026] Preferably, the side wall of the cabinet is provided with a side wall groove, the abutting arc rod is rotatably set in the side wall groove, and a reset rod is provided above the abutting arc rod, the reset rod passing through the side wall groove.

[0027] When maintenance personnel need to roll up the waterproof sleeve, they can pull the reset rod to retract the abutment arc rod into the side wall groove, allowing the guide roller to slide smoothly downwards, thus facilitating the maintenance personnel to orderly roll up the waterproof sleeve onto the take-up roller.

[0028] As a preferred option, a rain cover is installed on the outside of the cabinet to shield the side wall groove.

[0029] The rain cover prevents rainwater from entering the cabinet through the side wall grooves.

[0030] Compared with the prior art, the beneficial effects of the present invention are as follows: The present invention, by setting a suspended frame plate, allows the suspended frame plate to rise with the height of the accumulated water. As the suspended frame plate rises, it drives the waterproof sleeve upwards (the waterproof sleeve has a rectangular cross-section, is wound around a take-up roller, and can be made of materials such as plastic film). The waterproof sleeve covers the mounting frame and the electrical equipment on the mounting frame, thereby preventing water from submerging the electrical equipment. Due to the function of the waterproof sleeve, a good waterproof condition can be maintained for a long time. Even in prolonged flooding, it can prevent the electrical equipment in the distribution cabinet from malfunctioning or malfunctioning due to rainwater immersion. Furthermore, the suspended frame plate in this application can move all the way to the top of the cabinet, meaning that as long as the rainwater does not submerge the entire cabinet, this application can provide waterproofing and protection for the electrical equipment on the entire mounting frame. In addition, when there is no rainwater immersion, the suspended frame plate in this application rests against the guide frame and will not obstruct the heat dissipation grooves on the cabinet, thus not affecting the normal heat dissipation inside the cabinet. Attached Figure Description

[0031] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0032] Figure 2 This is a three-dimensional structural diagram of the present invention from another perspective.

[0033] Figure 3 This is a three-dimensional structural diagram of the mounting frame and the suspended frame plate of the present invention.

[0034] Figure 4 This is a cross-sectional view of the present invention.

[0035] Figure 5 yes Figure 4 A magnified view of a portion of region A in the middle.

[0036] Figure 6 yes Figure 4 A magnified view of a portion of region B in the middle.

[0037] Figure 7 This is a three-dimensional structural diagram of the suspended frame plate of the present invention.

[0038] Figure 8This is a three-dimensional structural diagram of the guide frame of the present invention.

[0039] Figure 9 This is a three-dimensional structural diagram of the unlocking lever of the present invention.

[0040] In the diagram: 1. Cabinet, 11. Mounting cavity, 12. Mounting hole, 13. Square groove, 14. Dome hole, 15. Guide groove, 16. Side wall groove, 17. Rain cover;

[0041] 2. Mounting bracket;

[0042] 3. Guide frame; 31. Guide roller;

[0043] 4. Take-up roller; 41. Locking hole; 42. Wrench hole;

[0044] 5. Waterproof cover;

[0045] 6. Suspension frame, 61. Auxiliary suspension airbag, 62. Guide roller;

[0046] 7. Locking device; 71. Locking pin; 711. Abutment ring; 72. Locking spring; 73. Float ball; 74. Unlocking lever; 741. Crossbar;

[0047] 8. Abutting arc rod, 81. Rotating shaft, 82. Reset rod. Detailed Implementation

[0048] The technical solution of the present invention will be further described in detail below through specific embodiments and in conjunction with the accompanying drawings:

[0049] Example 1: Refer to Figures 1 to 9 As shown, an intelligent integrated power distribution cabinet includes:

[0050] Cabinet 1, with an internal mounting bracket 2 for installing electrical equipment, the top of the mounting bracket 2 being fixedly connected to the top of the cabinet 1; and a guide frame 3 being fixedly installed at the bottom of the mounting bracket 2.

[0051] The take-up roller 4 is located below the mounting frame 2, and a waterproof sleeve 5 is wound around the take-up roller 4;

[0052] A hollow suspended frame plate 6 is set above the guide frame 3; as the rainwater rises, the suspended frame plate 6 slides vertically along the inner wall of the cabinet 1 under the buoyancy of the rainwater; the waterproof sleeve 5 is fitted over the guide frame 3 and then sealed and fixedly connected to the bottom edge of the suspended frame plate 6.

[0053] Under normal conditions, the locking device 7 locks the winding roller 4 to prevent it from rotating; when the rainwater rises, the locking device 7 can release the lock on the winding roller 4, allowing it to rotate freely.

[0054] The top of the mounting bracket 2 in this application is fixedly connected to the top of the cabinet 1, allowing the mounting bracket 2 and electrical equipment to be suspended inside the cabinet 1. Therefore, during manufacturing, the structural strength of the mounting bracket 2 and the top of the cabinet 1 needs to be high. Furthermore, when installing wiring, the wiring needs to be routed downwards from the top of the mounting bracket 2.

[0055] The hollow design of the suspended frame plate 6 allows it to float in rainwater. An auxiliary buoyancy airbag 61 is installed in the lower half of the suspended frame plate 6, giving it sufficient buoyancy to pull the waterproof sleeve 5 upwards. Furthermore, the suspended frame plate 6 in this embodiment is relatively high, ensuring its top remains a certain distance from the water surface. This prevents water from overflowing the top of the suspended frame plate 6 due to surface fluctuations, thus avoiding any impact on electrical equipment.

[0056] In this invention, a suspended frame plate 6 is provided, allowing it to rise with the height of the accumulated water. As the suspended frame plate 6 rises, it moves the waterproof sleeve 5 upwards (the waterproof sleeve 5 has a rectangular cross-section, is wound around the take-up roller 4, and can be made of materials such as plastic film). The waterproof sleeve 5 covers the mounting frame 2 and the electrical equipment on it, thus preventing water from submerging the electrical equipment. Due to the function of the waterproof sleeve 5, a good waterproof condition can be maintained for a long time. Even in prolonged flooding, it can prevent the electrical equipment in the distribution cabinet from malfunctioning or malfunctioning due to rainwater immersion. Furthermore, the suspended frame plate 6 in this application can move all the way to the top of the cabinet 1. That is, as long as the rainwater does not submerge the entire cabinet 1, this application can provide waterproofing and protection for the electrical equipment on the entire mounting frame 2. In addition, when there is no rainwater immersion, the suspended frame plate 6 rests against the guide frame 3, without obstructing the heat dissipation grooves on the cabinet 1, thus not affecting the normal heat dissipation inside the cabinet 1 or normal maintenance work.

[0057] In one embodiment, a plurality of locking holes 41 are provided circumferentially at the end of the take-up roller 4; the locking device 7 includes a locking pin 71 provided at one end of the take-up roller 4, a locking spring 72 that pushes the locking pin 71 toward the locking hole 41, and a floating ball 73 connected to the top of the locking pin 71; after rainwater rises and submerges the floating ball 73, the floating ball 73 floats up, and the locking pin 71 disengages from the locking hole 41. In this embodiment, an installation cavity 11 is provided at the end of the take-up roller 4 on the outer side wall of the cabinet 1, and the locking device 7 is provided in the installation cavity 11. An installation hole 12 is provided in the installation cavity 11 in a vertical direction, and the opening direction of the installation hole 12 corresponds to that of the locking hole 41. The locking pin 71 is slidably disposed within the mounting hole 12. An abutment ring 711 is provided circumferentially on the locking pin 71. One end of the locking spring 72 abuts against the abutment ring 711, and the other end abuts against the top of the mounting hole 12. The locking spring 72 pushes the locking pin 71 towards the locking hole 41. In this embodiment, the float 73 is made of rubber, making it lightweight and capable of significant buoyancy when submerged in water.

[0058] In this embodiment, a locking device 7 is provided to prevent the waterproof sleeve 5 wrapped around the winding roller 4 from becoming unraveled during the handling of the cabinet 1. When no flooding occurs or the cabinet 1 is being handled, the locking pin 71 remains inserted in the locking hole 41 under the action of the locking spring 72, thus locking the winding roller 4 and preventing it from rotating. However, in the event of flooding or water accumulation, the rising rainwater submerges the floating ball 73, causing it to rise and disengage the locking pin 71 from the locking hole 41.

[0059] In one embodiment, a wrench hole 42 is provided at the end of the take-up roller 4 away from the locking device 7. In this embodiment, the wrench hole 42 is a hexagonal wrench hole, which can be used with an L-shaped wrench, so that by rotating the take-up roller 4, the waterproof sleeve 5 can be rewound onto the take-up roller 4 after flooding, making it convenient for the next use.

[0060] An unlocking rod 74 is rotatably mounted on the top of the upper float 73. A square groove 13 is provided on the top of the mounting cavity 11, and a dome hole 14 is provided in the middle of the square groove 13. A crossbar 741 corresponding to the square groove 13 is provided on the unlocking rod 74. When it is necessary to rotate the take-up roller 4, the unlocking rod 74 can be pulled upward. When the crossbar 741 is exposed on the top of the mounting cavity 11, the unlocking rod 74 is rotated so that the crossbar 741 is offset from the square groove 13 by a certain distance. At this time, the locking pin 71 separates from the locking hole 41, so that the take-up roller 4 can be rotated easily with a wrench. Therefore, in this embodiment, a plastic shell needs to be provided on the outer surface of the upper float 73 to prevent the upper float 73 from deforming when the unlocking rod 74 is pulled, which would affect the use effect of the unlocking rod 74.

[0061] In one embodiment, the outer wall of the suspended frame plate 6 is provided with a plurality of guide rollers 62, and the inner wall of the cabinet 1 is provided with a guide groove 15 in the vertical direction, along which the guide rollers 62 slide. The guide rollers 62 and the guide groove 15 cooperate to more effectively improve the stability of the upward movement of the suspended frame plate 6. In addition, each side of the suspended frame plate 6 corresponding to the inner wall of the cabinet 1 is provided with at least two guide rollers 62; and since a cabinet door is provided on one side of the cabinet 1, in this embodiment, guide rollers 62 are provided on three sides of the suspended frame plate 6.

[0062] In one embodiment, guide rollers 31 are provided around the guide frame 3, and the waterproof sleeve 5 slides along the guide rollers 31. Both the guide frame 3 and the suspended frame 6 in this application have rectangular structures, corresponding to the cross-section of the cabinet 1. Therefore, in this embodiment, guide rollers 31 are provided on the four sides of the guide frame 3. When the suspended frame 6 rises with rainwater, the waterproof sleeve 5 slides along the guide rollers 31, thereby reducing the resistance to the upward movement of the waterproof rollers.

[0063] The working principle of this application is as follows: when there is no flooding or when the cabinet 1 is being moved, the locking pin 71 can remain inserted in the locking hole 41 under the action of the locking spring 72, thereby locking the winding roller 4 and preventing it from rotating. At this time, the suspended frame plate 6 is located above the guide frame 3.

[0064] When flooding or waterlogging occurs, the rising rainwater submerges the float ball 73, causing it to float upwards and disengage the locking pin 71 from the locking hole 41. This allows the suspended frame plate 6 to rise with the water level. As the suspended frame plate 6 rises, it moves the waterproof sleeve 5 upwards. The waterproof sleeve 5 covers the mounting frame 2 and the electrical equipment on it, thus preventing water from submerging the electrical equipment. Due to the function of the waterproof sleeve 5, it can maintain a good waterproof condition for a long time, preventing malfunctions or accidents caused by rainwater immersion in the electrical equipment inside the distribution cabinet, even during prolonged flooding.

[0065] After the rainwater recedes, when it is necessary to rotate the take-up roller 4, the unlocking lever 74 can be pulled upwards. When the crossbar 741 is exposed at the top of the mounting cavity 11, the unlocking lever 74 can be rotated to make the crossbar 741 and the square groove 13 offset by a certain distance. At this time, the locking pin 71 is separated from the locking hole 41, and the take-up roller 4 can be rotated with a wrench to rewind the waterproof sleeve 5 onto the take-up roller 4 for easy use next time.

[0066] Example 2: As Figures 1 to 9As shown, this embodiment is similar in structure to that in Embodiment 1, except that the guide groove 15 is provided with several abutting arc rods 8 along its length, and the abutting arc rods 8 are rotatably disposed inside the side wall of the cabinet 1; under the action of gravity, the bottom of the abutting arc rod 8 abuts against the inner side wall of the cabinet 1, and the bottom of the abutting arc rod 8 smoothly transitions with the inner side wall of the cabinet 1. The guide roller 62 rolls upward along the abutting arc rod 8, acting on the abutting arc rod 8, and the abutting arc rod 8 rotates around the rotation point, specifically, the abutting arc rod 8 rotates around the rotation axis 81; the guide roller 62 passes over the top of the abutting arc rod 8, and the abutting arc rod 8 returns to its original position under the action of gravity; when the guide roller 62 slides down, the top of the abutting arc rod 8 limits the guide roller 62.

[0067] The side wall of the cabinet 1 is provided with a side wall groove 16, the abutting arc rod 8 is rotatably set in the side wall groove 16, and a reset rod 82 is provided above the abutting arc rod 8, which passes through the side wall groove 16.

[0068] In this application, four abutting arc rods 8 are provided along the guide groove 15, so that the waterproof sleeve 5 can remain upright after the floodwater recedes. When maintenance personnel need to roll up the waterproof sleeve 5, they can pull the reset rod 82, causing the abutting arc rods 8 to retract into the side wall groove 16, allowing the guide roller 62 to slide smoothly downwards, thus facilitating maintenance personnel to orderly roll up the waterproof sleeve 5 onto the take-up roller 4.

[0069] It should be noted that in this application, the abutment rods 8 are only provided on the guide grooves 15 on both sides of the cabinet door width direction, and only one guide groove 15 on each side of the cabinet body 1 is provided with an arc-shaped abutment rod 8. In this way, abutment rods 8 are provided on both sides of the cabinet door width direction, which can meet the requirements for supporting the floating frame panel 6.

[0070] A rain cover 17 is provided on the outside of the cabinet 1 to cover the side wall groove 16. The rain cover 17 can prevent rainwater from entering the cabinet 1 from the side wall groove 16.

[0071] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the present invention in any way. Other variations and modifications may be made without departing from the technical solutions described in the claims.

Claims

1. An intelligent integrated power distribution cabinet, characterized in that, include: The cabinet has an internal mounting rack for installing electrical equipment, with the top of the mounting rack fixedly connected to the top of the cabinet; a guide frame is fixedly installed at the bottom of the mounting rack. The take-up roller is located below the mounting frame. A waterproof sleeve is wrapped around the take-up roller, and there is a gap between the take-up roller and the bottom of the cabinet. The hollow suspended frame is positioned above the guide frame; as rainwater rises, the suspended frame slides vertically along the inner wall of the cabinet due to the buoyancy of the rainwater. After passing through the guide frame, the waterproof sleeve is sealed and fixedly connected to the bottom edge of the suspended frame plate; The locking device locks the winding roller under normal conditions to prevent it from rotating; when the rainwater rises, the locking device can release the winding roller, allowing it to rotate freely. The outer side wall of the suspended frame is equipped with several guide rollers, and the inner side wall of the cabinet is equipped with guide grooves in the vertical direction, and the guide rollers slide along the guide grooves; The guide groove has several abutment arc rods along its length, and the abutment arc rods are rotatably mounted on the side wall of the cabinet. The guide roller rolls upward along the abutment arc rods and acts on the abutment arc rods. The abutment arc rods rotate around the rotation point. When the guide roller passes the top of the abutment arc rod, the abutment arc rod returns to its original position under the action of gravity. When the guide roller slides down, the top of the abutment arc rod limits the guide roller.

2. The intelligent integrated power distribution cabinet according to claim 1, characterized in that, Several locking holes are provided in the circumferential direction at the end of the take-up roller; the locking device includes a locking pin provided at one end of the take-up roller, a locking spring that pushes the locking pin toward the locking hole, and an upper float ball connected to the top of the locking pin; after the rainwater rises and submerges the upper float ball, the upper float ball floats up and the locking pin disengages from the locking hole.

3. The intelligent integrated power distribution cabinet according to claim 2, characterized in that, A wrench hole is provided at the end of the take-up roller away from the locking device.

4. The intelligent integrated power distribution cabinet according to claim 2, characterized in that, The top of the float is equipped with an unlocking lever. An installation cavity is provided on the side wall of the cabinet. The locking device is located in the installation cavity. A square groove is provided on the top of the installation cavity. A dome hole is provided in the middle of the square groove. A crossbar corresponding to the square groove is provided on the unlocking lever.

5. The intelligent integrated power distribution cabinet according to any one of claims 1 to 4, characterized in that, Guide rollers are provided around the guide frame, and the waterproof sleeve slides along the guide rollers.

6. The intelligent integrated power distribution cabinet according to claim 1, characterized in that, Each side of the suspended frame panel corresponding to the inner wall of the cabinet is equipped with at least two guide rollers.

7. The intelligent integrated power distribution cabinet according to claim 1, characterized in that, The cabinet has a side wall groove, and the abutment arc rod is rotatably installed in the side wall groove. A reset rod is installed above the abutment arc rod and passes through the side wall groove.

8. The intelligent integrated power distribution cabinet according to claim 1, characterized in that, A rain cover is installed on the outside of the cabinet to conceal the side wall grooves.

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