Waterproof partition strip and cabinet machine

Abstract

The application provides a waterproof partition strip and a cabinet machine. The waterproof partition strip is arranged above or below a cabinet door and comprises an upper water-blocking protruding part, a lower water-blocking protruding part and a tension damage opening. The upper water-blocking protruding part is arranged on the upper surface of the waterproof partition strip along the length direction of the waterproof partition strip and is used for blocking water seepage from above. The lower water-blocking protruding part is arranged on the lower surface of the waterproof partition strip along the length direction of the waterproof partition strip and is used for blocking water seepage from below. The tension damage opening is arranged on the surface of the waterproof partition strip. The tension damage opening is arranged at the edge and / or shape transition of the waterproof partition strip and is used for reducing the surface area of water. The application can effectively inhibit water accumulation and secondary seepage, build a "prevention-guidance-drainage" cooperative protection system and improve the waterproof reliability and engineering practicability of an outdoor intelligent cabinet.

Description

Technical Field

[0001] This invention relates to the field of waterproof structural design technology, and more specifically, to a waterproof spacer and cabinet. Background Technology

[0002] With the rapid development of smart cities, unmanned retail, and intelligent logistics, various outdoor smart terminal cabinets (such as express delivery lockers, shared equipment cabinets, and self-service terminal cabinets) are being deployed on a large scale in urban public spaces. However, due to their long-term exposure to complex outdoor climate environments (such as heavy rain, typhoon rain, high humidity condensation, and day-night temperature differences causing condensation), insufficient waterproofing has become a key bottleneck restricting the reliability, service life, and maintenance costs of these devices.

[0003] Current mainstream waterproofing solutions mostly rely on external additional structures, such as adding awnings, applying external rubber sealing strips, applying adhesive waterproof strips, or mechanically pressing seals. These methods have significant drawbacks: awnings easily accumulate dust, obstruct barcode scanning, and cannot withstand strong winds and oblique rain intrusion; external rubber strips are susceptible to UV aging, low-temperature hardening, and mechanical wear, leading to seal failure; the adhesive application process has poor consistency and weak weather resistance, making repair and replacement difficult; traditional compartment structures are mostly horizontal shelf designs, lacking active drainage capabilities, and water accumulation can easily cause internal electrical short circuits, metal corrosion, and microbial growth; the structure at the junction of cabinet doors and the cabinet body is simple, lacking a systematic blocking mechanism against lateral seepage, condensation, and capillary dripping. Especially when temperature and humidity change drastically, the water film frequently rises along the surface tension of the gaps, causing a hidden fault of "seemingly sealed, but actually leaking." In addition, existing waterproof structures generally lack the active utilization of the intrinsic physical properties of water media (such as dynamic viscosity, surface tension, and gravity-driven flowability), and mostly remain at the level of passive blocking, making it difficult to achieve efficient, self-sustaining, and maintenance-free long-term protection.

[0004] Chinese patent CN204743247U discloses a waterproof storage cabinet, including a cabinet body with multiple storage compartments. Each storage compartment has a door, a clamping element on the top edge of the door, and a waterproof sloping plate on the bottom edge, located outside the door. Although this patent has a waterproof function, it still fails to overcome the inherent defects in its structure.

[0005] Therefore, it is evident that a waterproof spacer and cabinet are needed to fundamentally improve the waterproof reliability and engineering practicality of outdoor smart cabinets. Summary of the Invention

[0006] The purpose of this invention is to provide a waterproof spacer and cabinet that integrates material structure design and fluid mechanics principles to construct an integrated "prevention-guidance-drainage" collaborative protection system, fundamentally improving the waterproof reliability and engineering practicality of outdoor smart cabinets.

[0007] To achieve the above objectives, the present invention provides a waterproof spacer and a cabinet unit. The technical solution of the present invention is implemented as follows:

[0008] A waterproof spacer, wherein the waterproof spacer is disposed above and / or below a cabinet door, comprising:

[0009] The upper water-blocking protrusion is provided on the upper surface of the waterproof spacer along the length of the waterproof spacer to block water seepage from above;

[0010] The lower water-blocking protrusion is provided on the lower surface of the waterproof spacer along the length of the waterproof spacer, and is used to block water seepage from below;

[0011] Tension-breaking openings are provided on the surface of the waterproof spacer, and the tension-breaking openings are located at the edges and / or shape transitions of the waterproof spacer to reduce surface water accumulation.

[0012] Furthermore, the surface of the waterproof spacer is provided with a slope to guide drainage; the tension failure port is located at the edge of the slope.

[0013] Furthermore, the upper water-blocking protrusion and / or the lower water-blocking protrusion are stepped protrusions.

[0014] Furthermore, the water-blocking surfaces of the upper and / or lower water-blocking protrusions are planar.

[0015] Furthermore, the edge of the tension breaking opening is blunted at an acute angle.

[0016] Furthermore, the waterproof spacer is provided with through holes, through which the waterproof spacer is connected to the cabinet door to realize the opening and closing of the cabinet door.

[0017] A cabinet air conditioner, including the aforementioned waterproof partition strip.

[0018] Furthermore, the system includes a cabinet body and cabinet doors, the cabinet body including shelves connected to the waterproof spacer strip.

[0019] Furthermore, the shelf is inclined to guide drainage towards the direction of the waterproof spacer.

[0020] Furthermore, the cabinet also includes a water guide channel, which is disposed on both sides of the cabinet door. The opening of the water guide channel faces the opening direction of the cabinet, and the end of the water guide channel extends to the drainage channel at the bottom of the cabinet.

[0021] Furthermore, the cabinet also includes a top panel, a back panel, and side panels. The end face of the side panel covers the mating edge with the top panel and the back panel, and the covered area is fully welded to form a continuous sealed weld.

[0022] Furthermore, the cabinet door is provided with a cabinet door drainage hole, which is located on the side or bottom of the cabinet door.

[0023] Furthermore, it also includes a limiting pivot, a door pivot, and a door pivot sleeve. The limiting pivot is fixed to the waterproof spacer. A shaft hole is provided at the center of the end of the limiting pivot. The bottom of the shaft hole is sealed. The limiting pivot is movably connected to the door pivot through the shaft hole. The limiting pivot is movably connected to the door pivot sleeve. The door pivot is connected to the cabinet body or the cabinet door. The door pivot sleeve is connected to the cabinet body or another cabinet door.

[0024] Furthermore, the limiting shaft includes a support section shaft, a limiting section shaft, and a rotating shaft section shaft connected coaxially in sequence. A shaft hole is provided at the center of the end of the support section shaft. At least one rigid limiting boss and at least one elastic anti-loosening boss are provided on the outer periphery of the limiting section shaft.

[0025] Compared with existing technologies, the waterproof spacer and cabinet unit described in this invention have the following advantages:

[0026] 1. Design based on the dynamic viscosity and surface tension characteristics of water. The design employs a combination of inclined surface drainage, tension-breaking ports to actively disrupt the water film's cohesion, and gravity drainage via inclined shelves. This upgrades from traditional passive sealing to physical property-driven self-drainage, fundamentally suppressing water accumulation and secondary leakage, and overcoming the inherent defects of traditional structures that rely on material elasticity and are prone to aging and failure.

[0027] 2. Construct a comprehensive, coordinated protection system encompassing prevention, guidance, and drainage. This system employs a combination of cabinets, waterproof strips, drainage channels, cabinet doors, and blind-hole hinge components. It abandons the traditional passive blocking approach, achieving full coverage protection against multiple paths and forms of water ingress, including vertical rainfall, strong winds and oblique rain, condensation runoff, and capillary seepage, significantly improving adaptability to complex weather conditions.

[0028] 3. Multi-level independent drainage channels: Sloping shelves and cabinet door drainage holes (first-level gravity diversion) → Waterproof partitions and water guide channels (second-level directional confluence) → Cabinet bottom drainage (third-level centralized discharge). Each channel does not interfere with the others, eliminating the risk of chain-like water accumulation. Drainage efficiency is improved by more than 60%; completely avoiding problems such as poor drainage, water accumulation and corrosion of electrical appliances / rusting of metals.

[0029] 4. The cabinet door adopts an integrated four-section structure. It integrates an adjustment mechanism, blind hole pivot assembly, drainage hole, and buffer pad, achieving six integrated functions: adjustable angle, reliable waterproofing, efficient drainage, convenient installation, stable connection, and shock absorption. Compared to traditional designs with fragmented functions, cumbersome assembly, and the need for additional accessories, this significantly reduces manufacturing and maintenance costs. Attached Figure Description

[0030] Figure 1This is a schematic diagram of the waterproof spacer strip described in Embodiment 1 of the present invention;

[0031] Figure 2 This is a schematic diagram of the layer and waterproof spacer as described in Embodiment 2 of the present invention;

[0032] Figure 3 This is a schematic diagram of the cabinet door as described in Embodiment 2 of the present invention;

[0033] Figure 4 This is a schematic diagram of the overall cabinet unit and side panel structure as described in Embodiment 2 of the present invention;

[0034] Figure 5 This is a schematic diagram of the installation structure of the cabinet water guide channel according to Embodiment 2 of the present invention;

[0035] Figure 6 This is a schematic diagram of the layer mounting structure according to Embodiment 2 of the present invention;

[0036] Figure 7 This is a schematic diagram of the waterproof partition, cabinet door, and limiting pivot shaft described in Embodiment 2 of the present invention;

[0037] Figure 8 This is a schematic diagram of the waterproof spacer installation structure according to Embodiment 2 of the present invention;

[0038] Figure 9 This is a schematic diagram of the cabinet door and buffer pad described in Embodiment 2 of the present invention.

[0039] Explanation of reference numerals in the attached figures:

[0040] 1. Waterproof partition strip; 2. Shelf; 3. Cabinet door; 4. Side panel; 5. Back panel; 6. Limiting pivot; 7. Adjustment bracket; 8. Door hinge sleeve; 9. Door hinge; 10. Angled surface one; 11. Upper water-retaining protrusion; 12. Lower water-retaining protrusion; 13. Tension failure port one; 14. Tension failure port two; 15. Through hole one; 16. Angled surface two; 17. Insertion part; 20. Raised rib; 21. Through hole two; 22. Protruding mounting part; 30. Side drainage hole; 31. Bottom drainage hole; 32. Buffer pad; 33. Pad hole; 34. Reinforcing plate; 41. Water guide groove; 110. Upper water-retaining surface; 120. Lower water-retaining surface. Detailed Implementation

[0041] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the described embodiments are only some, not all, of the embodiments of this invention. The specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0042] Example 1

[0043] This embodiment discloses a waterproof spacer 1 for use in cabinet structures, aiming to solve the problem of internal dampness caused by rainwater or condensation seeping into existing cabinets during use. This waterproof spacer 1 achieves efficient waterproofing and rapid drainage functions through a rationally designed water-blocking structure and tension break opening, and is suitable for sealing and protecting between cabinet doors 3 or between cabinet doors 3 and the cabinet body.

[0044] A waterproof spacer 1 is installed above and / or below the cabinet door 3, including an upper water-blocking protrusion 11, a lower water-blocking protrusion 12, and a tension rupture opening. The waterproof spacer 1 is generally elongated and arranged horizontally. The main body of the waterproof spacer 1 is made of continuous profile material, which has good rigidity and corrosion resistance.

[0045] The upper water-retaining protrusion 11 is provided on the upper surface of the waterproof spacer 1 along the length of the waterproof spacer 1 to block water seepage from above. The upper water-retaining protrusion 11 has a water-retaining surface of a certain height to prevent rainwater from falling vertically or splashing obliquely into the cabinet cavity.

[0046] The lower water-blocking protrusion 12 is located below and opposite the upper water-blocking protrusion 11. The lower water-blocking protrusion 12 is disposed on the lower surface of the waterproof spacer 1 along the length direction of the waterproof spacer 1, and is used to block water seepage from below. The lower water-blocking protrusion 12 has a water-blocking surface of a certain height, which is used to intercept water droplets or condensation from below and promote them to fall naturally or drain in the opposite direction.

[0047] The upper water-retaining protrusion 11 and / or the lower water-retaining protrusion 12 are stepped protrusions. On the one hand, this helps to improve the structural rigidity and deformation resistance of the waterproof spacer 1. On the other hand, the step turning point can serve as a natural "water flow reversal point". Combined with the subsequent inclined section or tension failure port, it is easier to induce water flow to detach and reduce the climbing or stagnation along the water-retaining surface.

[0048] The water-blocking surfaces of the upper water-blocking protrusion 11 and / or the lower water-blocking protrusion 12 are flat. Flat water-blocking surfaces have no curvature-induced capillary forces, effectively preventing water from spontaneously spreading and climbing along inclined or curved surfaces due to surface tension, significantly reducing the risk of leakage. Preferably, the water-blocking surface is a vertical flat surface.

[0049] Tension-breaking openings are located on the surface of the waterproof spacer 1, specifically at its edges and / or shape transitions, to reduce surface water accumulation. Positioned at edges or transitions where water flow is prone to stagnation, these openings disrupt the surface tension of locally accumulated water and the cohesive force generated by the dynamic viscosity of the water, thereby accelerating the water flow away from the inclined section and preventing residual water from causing secondary seepage. The tension-breaking openings are non-penetrating microstructures (similar to "blind holes") to physically interrupt the continuity of the water film. Their mechanism relies on edge effects; the geometrical abrupt changes at the edge of the tension-breaking opening disturb the stress distribution of the water film, triggering capillary fracture.

[0050] The edges of the tension failure opening are blunted at sharp angles. Obtuse edges create a region of rapid curvature change when covered by a water film, significantly reducing the water's contact angle hysteresis at that point, inducing capillary instability, and accelerating water film rupture. Simultaneously, this avoids problems such as stress concentration, cracking, or water retention caused by sharp or right angles, thus improving structural durability and drainage reliability while maintaining tension failure effectiveness.

[0051] The surface of the waterproof spacer 1 is sloped to guide drainage. Tension breakout openings are located at the edges of the slope. When water flows on the slope, it tends to slide downwards under the influence of gravity. At the edge, the curvature changes abruptly, the liquid film is thinnest, and the adhesion is weakest. Creating tension breakout openings at this location most effectively breaks the continuous water film, inducing localized water detachment and preventing water from flowing around the edge or seeping in. The edge is the critical line for the natural convergence and deflection of water flow. Breaking the cohesion at this point allows the water to more easily fall vertically or be thrown sideways under the influence of gravity, rather than extending down the slope to other locations on the waterproof spacer 1, thus guiding the water flow precisely away from its path. Furthermore, the edge location facilitates the stamping or laser cutting of the tension breakout openings, ensuring high consistency in size and position, and adapting to automated production. Preferably, the tension breakout opening is located in the middle of the slope. An opening in the middle of the slope provides high material redundancy in the edge area and low risk of stress concentration, which is beneficial for balancing functionality and structural reliability. The tension failure port located at the edge of the inclined plane achieves an optimal balance between surface tension failure efficiency, drainage directionality, structural reliability, and manufacturing feasibility.

[0052] A through hole 15 is provided at one end of the waterproof spacer 1 for use in conjunction with the shelf 2 or other components to ensure structural stability.

[0053] like Figure 1 As shown, the waterproof spacer 1 has a strip-shaped structure. Both the upper water-retaining protrusion 11 and the lower water-retaining protrusion 12 are stepped, with a height of 3-7 mm. In the sectional view AA, it can be seen that the upper water-retaining protrusion 11 includes an upper water-retaining surface 110, and the lower water-retaining protrusion 12 includes a lower water-retaining surface 120. Both the upper water-retaining surface 110 and the lower water-retaining surface 120 are vertical planes, facilitating water flow guidance.

[0054] A slope 10 is provided on the upper surface of the waterproof spacer 1 near its edge. The slope 10 is located on the water-blocking side of the upper water-blocking protrusion 11. By setting a certain inclination angle, water flows down along the slope 10. Similarly, a similar slope 16 is provided on the lower surface of the waterproof spacer 1. The angle between the inclined surface and the horizontal plane is 10~60° to ensure that the water flows down quickly under the action of gravity.

[0055] The tension rupture ports include tension rupture port one 13 and tension rupture port two 14. Tension rupture port one 13 is located at the intersection of the horizontal plane and the inclined plane one 10 on the upper surface of the waterproof spacer 1. Tension rupture port one 13 has several perforated groove structures, which facilitate the rapid detachment of water from the inclined plane and its outward discharge. Tension rupture port two 14 is located at the lower edge of the inclined plane one 10. Tension rupture port two 14 has several perforated groove structures that are slightly smaller than tension rupture port one 13. It is used to break the adhesion of the water film and prevent water from remaining on the surface of the spacer. The size of tension rupture ports one 13 and tension rupture port two 14 is 1~3mm, and the number depends on the specific length and structure of the waterproof spacer 1. This can effectively reduce local water pressure and avoid leakage caused by capillary action.

[0056] When rainwater falls vertically or splashes obliquely onto the waterproof strip 1, it is first blocked by the upper water-retaining protrusion 11, and the upper water-retaining surface 110 effectively blocks the direct inflow path. Subsequently, the water flows into the inclined section and flows along the inclined surface under the drive of gravity. At this time, the tension breaking port 13 breaks the surface tension of the water flow, allowing the water to leave the inclined surface more quickly and avoid accumulation. At the same time, the tension breaking port 2 14 further weakens the stability of the water film, preventing water droplets from hanging or slowly creeping. For water droplets overflowing from the upper water-retaining protrusion 11 or condensing on the lower surface of the strip, the lower water-retaining protrusion 12 acts as a guide. Under the combined action of gravity and viscosity, the water droplets fall off the edge of the lower water-retaining protrusion 12 or flow out along the lower surface / lower water-retaining surface 120 without penetrating into the cabinet cavity.

[0057] The waterproof partition 1 is installed on the cabinet door through the through hole 15. The waterproof partition 1 mates with the corresponding mounting holes on the cabinet body and is fixed using screws or clips. The waterproof partition 1 is provided with a plug-in part 17 for quick and easy connection with the shelf 2. After installation, the waterproof partition 1 is tightly fitted to the cabinet body and works in conjunction with the cabinet door 3 and other components to form a complete waterproof barrier system.

[0058] The waterproof spacer 1 features a dual protection mechanism, combining the physical water-blocking of the upper and lower water-blocking protrusions 11 and 12 with a sloping drainage design to achieve both prevention and drainage. Through the design of the sloping surface and tension-damping opening, the waterproof spacer 1 has active drainage capabilities, enhancing water flow efficiency and preventing water accumulation. The waterproof spacer 1 has a compact and reliable structure, eliminating the need for additional drain pipes or sealing strips, simplifying the assembly process. This structure is highly adaptable and particularly suitable for applications such as outdoor cabinets, electrical boxes, and storage lockers that require long-term exposure to humid environments.

[0059] Example 2

[0060] This embodiment provides a waterproof cabinet unit that integrates multiple waterproofing, drainage, and structural reinforcement functions, suitable for outdoor power distribution, communication, self-service, and other scenarios. Based on the waterproof spacer 1 disclosed in Embodiment 1, this cabinet unit further integrates the cabinet body and cabinet door 3 to construct a four-in-one active waterproofing system of "prevention-guidance-drainage-reinforcement," completely solving problems such as internal dampness, corrosion, and component failure caused by water seepage through gaps, condensation, assembly deviations, and structural aging in traditional cabinet units.

[0061] The cabinet unit includes a cabinet body and cabinet doors 3. The cabinet body includes shelves 2, which are connected to waterproof strips 1. Both ends of the waterproof strips 1 are connected to the cabinet body. Waterproofing and drainage are achieved by installing waterproof strips 1 on the shelves 2. Figure 2 As shown, shelf 2 and waterproof spacer 1 are fixedly connected by insertion and removal through through hole 21. Sheet 2 also has protruding mounting parts 22 on both sides for connection to the cabinet's supporting structure.

[0062] The shelf 2 is angled to guide drainage towards the waterproof spacer 1. Figure 6 As shown, multiple shelves 2 are designed to slope downwards at an angle of 3-8°. The specific angle can be adjusted according to the depth of the compartments, the size of the stored items, and the intensity of rainfall in the region. The downward slope enables gravity-guided drainage. When a small amount of rainwater or condensation seeps into the compartments through the gaps in the cabinet door 3, it automatically slides along the surface of the sloped shelf 2 towards the front of the cabinet door 3 under the action of gravity, and is guided and discharged by the waterproof strip 1 installed at the front end.

[0063] like Figure 2 As shown, shelf 2 includes raised ribs 20. The raised ribs 20 are disposed on the surface of shelf 2, arranged parallel to each other longitudinally, and are manufactured by a stamping process. The height of the raised ribs 20 is 1.5mm~3.0mm, and the spacing is 30mm~60mm, dynamically optimized according to the type of items carried (such as modular equipment, cable reels, tool bags). The raised ribs 20 elevate the bottom of the items, creating air gaps to prevent direct contact with water accumulation and to prevent wetting and corrosion; at the same time, the micro-texture on the surface of the raised ribs 20 enhances the static friction coefficient, effectively inhibiting slippage or tipping of items when tilted.

[0064] The cabinet also includes a water guide channel 41, which is located on both sides of the cabinet door 3. The opening of the water guide channel 41 faces the opening of the cabinet unit, and the end of the water guide channel 41 extends to the drainage channel at the bottom of the cabinet. Figure 5 As shown, U-shaped or V-shaped water guide channels 41 are respectively opened on both sides of the cabinet door 3. The opening of the channel faces the cabinet opening, ensuring a "bottom-up" interception of oblique splashing rainwater and capillary seepage water. At the same time, the water guide channel 41 encloses both ends of the waterproof strip 1, forming a convergence of water flow at both ends. The bottom of the water guide channel 41 extends to the drainage channel at the bottom of the cabinet. After being guided by the channel, the water flow naturally flows to the water collection cavity at the bottom of the cabinet and is discharged through the bottom drain hole. This structure physically cuts off the water seepage path between the cabinet door 3 and the cabinet body, especially blocking lateral leakage driven by wind pressure, significantly improving the sealing level under combined rain and strong wind conditions. In addition, water guide channels 41 are also set on the inner side of the central vertical frame of the cabinet body (i.e., the central vertical reinforcing rib of the cabinet door 3) to prevent water from seeping into the inner side of the compartment and the inside of the maintenance door panel, protecting the electronic components and maintenance area inside the cabinet.

[0065] like Figure 4 As shown, the cabinet also includes side panels 4, back panels 5, top panels, bottom panels, and access door partitions. The end face of side panels 4 covers the mating edges of the top / back panels 5, and the covered area is fully welded to form a continuous sealed weld. The structural layout is "side panels 4 surrounding the top and back panels 5," with full-position welding connection. Side panels 4 include left and right side panels 4, which serve as the main load-bearing frame, embedding the top and back panels 5 into their grooves and continuously welding them in place. All welds are inspected by X-ray flaw detection, showing no defects such as porosity, slag inclusions, or incomplete fusion. After welding, the entire structure undergoes triple anti-corrosion treatment: sandblasting, epoxy zinc-rich primer, and polyurethane topcoat. The fully welded structure completely eliminates traditional bolt / riveting seams, preventing rainwater from seeping in along the seams or wind-driven leakage, achieving cabinet-level waterproofing.

[0066] Cabinet door 3 adopts an integrated four-section structure, that is, the structure is set up in four aspects according to function:

[0067] In terms of adjustment, the cabinet door 3 tilt angle can be precisely adjusted to ensure a tight seal with the cabinet body. It is equipped with adjustment bracket 7, including threaded holes and a boss structure; the forward tilt of cabinet door 3 is controlled by adjusting the mounting hole position, with an adjustment range of 0~±20°. Figure 8 As shown, the adjustment code 7 is connected to the door hinge 9, and the door hinge 9 works with the limit rotating shaft 6 to achieve dynamic adaptive sealing.

[0068] For installation, a blind hole pivot assembly with a limiting pivot 6 as its core is used to achieve a sealed connection between the cabinet door 3 and the cabinet body. For example... Figure 8 and 9As shown, the blind hole pivot assembly includes a limiting pivot 6, a door pivot 9, and a door pivot sleeve 8. The limiting pivot 6 is fixed to the waterproof spacer 1. A pivot hole is provided at the center of the end of the limiting pivot 6, and the bottom of the pivot hole is sealed. The limiting pivot 6 is movably connected to the door pivot 9 through the pivot hole, and the limiting pivot 6 is movably connected to the door pivot sleeve 8. The door pivot 9 is connected to the cabinet or cabinet door 3, and the door pivot sleeve 8 is connected to the cabinet or another cabinet door 3. The limiting pivot 6 includes a support section shaft, a limiting section shaft, and a pivot section shaft connected coaxially in sequence. A pivot hole is provided at the center of the end of the support section shaft. At least one rigid limiting boss and at least one elastic anti-loosening boss are provided on the outer periphery of the limiting section shaft. The bottom of the pivot hole is sealed to block the rainwater from seeping along the edge of the pivot hole. The blind hole type support section shaft replaces the traditional through hole structure, and the three-stage stepped labyrinth sealing path formed by the rigid limiting boss and the elastic anti-loosening boss significantly improves the barrier performance. The elastic anti-loosening boss forms a controllable interference fit with the sheet metal mounting hole wall based on the material's springback characteristics. After assembly, it continuously applies radial preload, effectively suppressing fretting wear and axial movement under vibration conditions, and completely avoiding the risks of slippage, abnormal noise, and failure caused by clearance fit of traditional bushings.

[0069] For drainage, multiple sets of cabinet door drainage holes are used to actively drain water accumulated inside the cabinet door 3, preventing corrosion and electrical short circuits. Cabinet door 3 is equipped with cabinet door drainage holes, located on the side or bottom of cabinet door 3. Specifically, the cabinet door drainage holes include side drainage holes 30 and bottom drainage holes 31, with hole shapes that can be round, oval, oblong, or teardrop-shaped, etc. Figure 3 As shown, cabinet door 3 is a rectangular frame metal plate with inward folding on all four sides to form a closed frame structure. A reinforcing plate 34 is installed in the center of the inner side, providing good rigidity and sealing. Two sets of side drainage holes 30 are respectively located on the two side frames of cabinet door 3, allowing water to drain quickly from the sides. Each set of side drainage holes 30 has two openings and is shaped like a long, thin oval. Two bottom drainage holes 31 are located in the lower edge area of ​​cabinet door 3, also shaped like long, thin ovals, allowing water to drain quickly from the bottom of cabinet door 3. Preferably, the cabinet door drainage holes are located near the four corners of cabinet door 3 to improve drainage efficiency. Cabinet door 3 adopts a highly efficient drainage structure in which the side drainage holes 30 and bottom drainage holes 31 work together. By rationally arranging multiple drainage holes and flexibly adjusting them according to climate conditions, the problems of water accumulation and rusting in traditional cabinet doors 3 are effectively solved.

[0070] To enhance cushioning, the lower inner edge of the cabinet door 3 is equipped with padding holes 33 for inserting silicone / EPDM cushioning pads 32 to improve mechanical durability and operational safety. Figure 9As shown, one end of the buffer pad 32 is cylindrical, with its end face contacting the surface of the cabinet frame to achieve buffering and shock absorption; the other end is conical, and an annular groove is provided at the connection between the two ends to facilitate installation and fixing. The buffer pad 32 has a compression rate of 20%~50% and a Shore hardness of 30A~80A, effectively absorbing the impact energy of opening and closing the door and reducing fatigue damage to the electronic lock, hinges, and cabinet welds.

[0071] The water guide channel 41 covers both sides of the cabinet door 3, blocking lateral water seepage and guiding it to the bottom of the cabinet; the blind hole pivot assembly seals the seepage path of the door hinge 9 hole from the source, and the pre-set standardized buffer pad 32 mounting hole is compatible with various buffer media. Addressing long-standing pain points in the industry such as side seam seepage, water ingress into the maintenance door, water leakage from the door hinge 9, and damage from switch impacts, this provides a structural-level solution, significantly extending equipment life and operational stability.

[0072] The various waterproof structures of this cabinet do not operate in isolation, but rather form a closed-loop collaborative mechanism: when rainwater intrudes from the gaps in the cabinet door 3, it is first blocked and guided by the waterproof partition 1, which, in conjunction with the water guide channel 41, intercepts and guides the water to the bottom of the cabinet; a small amount of water droplets bypassing the water guide channel 41 flow down the inner wall of the cabinet door 3 to the drain hole for discharge; if there is still residual water entering the compartment area, it is guided to the front end by the inclined shelf 2, and the waterproof partition 1 completes the interception and active separation (by means of tension breaking the hole); throughout the process, the cabinet body wrapped and fully welded by the side panel 4 prevents external water from seeping in from the gaps in the cabinet shell, and the blind hole pivot assembly blocks the leakage path of the door hinge 9, thereby achieving waterproof protection for all paths, all times, and all working conditions.

[0073] This invention significantly improves waterproof performance compared to conventional cabinet units, increasing overall waterproof reliability by over 60% and enabling stable operation in combined environments of heavy rain and strong winds. The drainage response is rapid, greatly reducing the time from water seepage to complete drainage, preventing water accumulation that can lead to corrosion and mold. Maintenance costs are significantly reduced, eliminating the need for regular replacement of sealing strips, cleaning of drainage holes, or welding of leaks, reducing maintenance frequency by over 70% throughout the product's lifespan. Furthermore, the structure boasts strong compatibility and high assembly efficiency. Tilting angle, rib parameters (20), water channel dimensions (41), and drainage hole density can all be flexibly customized to project requirements, adapting to diverse climates such as those in the north and south, and coastal and inland regions. The blind hole pivot assembly, stepless angle adjustment (7), and modular design reduce the installation time of a single cabinet door (3) to less than 8 minutes.

[0074] It should be noted that all directional and positional terms used in this invention, such as "up," "down," "left," "right," "front," "back," "vertical," "horizontal," "inner," "outer," "top," "lower," "tail end," "head end," and "center," are only used to explain the relative positional relationships and connection situations between components in a specific state. They are merely for the convenience of describing the invention and do not require the invention to be constructed and operated in a specific orientation; therefore, they should not be construed as limitations on the invention. Furthermore, the meaning of "and / or" throughout the text includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or a solution where both A and B are satisfied simultaneously.

[0075] In this invention, unless otherwise explicitly specified and limited, the terms "connection," "fixed," etc., should be interpreted broadly. For example, "fixed" can mean a fixed connection, a detachable connection, or an integral part; it can mean a mechanical connection or an electrical connection; it can mean a direct connection or an indirect connection through an intermediate medium; it can mean the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0076] While the present invention has been disclosed above, it is not limited thereto. Any person skilled in the art can make various modifications and alterations without departing from the spirit and scope of the invention; therefore, the scope of protection of the present invention should be determined by the scope defined in the claims.

Claims

1. A waterproof spacer strip, characterized in that, The waterproof spacer (1) is positioned above and / or below the cabinet door (3), and includes: The upper water-blocking protrusion (11) is provided on the upper surface of the waterproof spacer (1) along the length direction of the waterproof spacer (1) to block water seepage from above; The lower water-blocking protrusion (12) is provided on the lower surface of the waterproof spacer (1) along the length direction of the waterproof spacer (1) to block water seepage from below; Tension-breaking openings are provided on the surface of the waterproof spacer (1). The tension-breaking openings are provided at the edges and / or shape transitions of the waterproof spacer (1) to reduce surface water accumulation.

2. The waterproof spacer according to claim 1, characterized in that, The surface of the waterproof spacer (1) is provided with a slope to guide drainage; the tension failure port is provided at the edge of the slope.

3. The waterproof spacer according to claim 1, characterized in that, The upper water-blocking protrusion (11) and / or the lower water-blocking protrusion (12) are stepped protrusions.

4. The waterproof spacer according to claim 1, characterized in that, The water-blocking surfaces of the upper water-blocking protrusion (11) and / or the lower water-blocking protrusion (12) are planar.

5. The waterproof spacer according to claim 1, characterized in that, The edge of the tension breaking opening is blunted at an acute angle.

6. The waterproof spacer according to claim 1, characterized in that, The waterproof spacer (1) is provided with a through hole, and the waterproof spacer (1) is connected to the cabinet door (3) through the through hole to realize the opening and closing of the cabinet door (3).

7. A cabinet-style air conditioner, characterized in that, Includes the waterproof spacer as described in any one of claims 1 to 6.

8. The cabinet machine according to claim 7, characterized in that, It includes a cabinet body and the cabinet door (3), the cabinet body includes a shelf (2), the shelf (2) is connected to the waterproof spacer (1).

9. The cabinet unit according to claim 8, characterized in that, The shelf (2) is inclined to guide drainage toward the waterproof spacer (1).

10. The cabinet machine according to claim 8, characterized in that, The cabinet also includes a water guide channel, which is located on both sides of the cabinet door (3). The opening of the water guide channel faces the opening direction of the cabinet and the end of the water guide channel extends to the drainage channel at the bottom of the cabinet.

11. The cabinet unit according to claim 8, characterized in that, The cabinet also includes a top plate, a back plate (5) and a side plate (4). The end face of the side plate (4) covers the mating edge of the top plate and the back plate (5), and the covered area is fully welded to form a continuous sealed weld.

12. The cabinet unit according to claim 8, characterized in that, The cabinet door (3) is provided with a cabinet door drainage hole, which is located on the side or bottom of the cabinet door (3).

13. The cabinet unit according to claim 8, characterized in that, It also includes a limiting pivot (6), a door pivot (9) and a door pivot sleeve (8). The limiting pivot (6) is fixed on the waterproof spacer (1). A shaft hole (10) is provided at the center of the end of the limiting pivot (6). The bottom of the shaft hole (10) is sealed. The limiting pivot (6) is movably connected to the door pivot (9) through the shaft hole (10). The limiting pivot (6) is movably connected to the door pivot sleeve (8). The door pivot (9) is connected to the cabinet or the cabinet door (3). The door pivot sleeve (8) is connected to the cabinet or another cabinet door (3).

14. The cabinet unit according to claim 13, characterized in that, The limiting shaft (6) includes a support section shaft, a limiting section shaft and a rotating shaft section shaft connected coaxially in sequence. A shaft hole (10) is provided at the center of the end of the support section shaft. At least one rigid limiting boss and at least one elastic anti-loosening boss are provided on the outer periphery of the limiting section shaft.

Images