A waterproof combined roof structure

Abstract

The present disclosure relates to the field of plastic container waterproof cover, and one embodiment of the present disclosure provides a waterproof combined top cover structure, which comprises a barrel outer layer and a connecting cover opening, the connecting cover opening is arranged on the barrel outer layer, a sealing assembly is arranged in the connecting cover opening, the sealing assembly comprises an inner threaded layer, the inner threaded layer is arranged at the lower end of the connecting cover opening, an inner layer sealing cover is connected to the inner threaded layer through screw thread cooperation, a plurality of stand columns are arranged on the surface of the inner layer sealing cover, a layer plate is movably sleeved and connected on the stand columns, a gas bag layer is connected between the side surface of the layer plate and the side surface of the inner layer sealing cover, an inner layer is arranged on the inner side surface of the connecting cover opening, and the gas bag layer is filled in the inner layer. Through the above technical scheme, the technical problem that the thread precision of the sealing cover in the prior art is low, the cooperation gap is easy to appear due to wear after long-term use, and the sealing effect is reduced is solved, and some containers will leak when they are inclined or vibrated.

Description

Technical Field

[0001] The embodiments disclosed herein relate to the field of waterproof caps for plastic containers, and more specifically, to a waterproof modular cap structure. Background Technology

[0002] In chemical and laboratory fields, plastic containers are commonly used to store chemical reagents such as acid and alkali solutions and organic solvents. The performance of their sealing caps directly affects storage safety. Currently, the traditional plastic sealing caps widely used in the industry mostly adopt a structure with a single thread and a silicone sealing ring, which has revealed significant drawbacks in practical applications.

[0003] These types of sealing caps have lower thread precision, and after long-term use, wear can create gaps in the fit, leading to a decrease in sealing effectiveness. Some containers may leak when tilted or vibrated. More importantly, silicone sealing rings are prone to aging and cracking when in contact with highly corrosive solutions, losing their sealing function and allowing volatile chemical reagents to leak. This not only causes material loss but may also lead to safety accidents such as operator poisoning and equipment corrosion. In addition, traditional top caps lack anti-accidental opening design. If subjected to external impact during transportation or storage, they may open accidentally, further increasing the risk of chemical solution leakage.

[0004] For chemical solutions that require long-term storage, the dangers posed by seal failure are even more pronounced, ranging from environmental pollution to serious accidents such as fires and explosions. Therefore, developing a waterproof, modular top cover structure with excellent sealing performance and high safety has become an urgent need to address the safety hazards of storing chemical solutions in plastic containers. Utility Model Content

[0005] To overcome the above-mentioned defects, the embodiments of this disclosure provide a waterproof combined top cover structure, which solves the technical problem that the thread precision of the sealing cover in the prior art is low, and after long-term use, wear will easily cause a gap in the fit, resulting in a decrease in sealing effect, and some containers will leak when tilted or vibrated.

[0006] According to one aspect, at least one embodiment of this disclosure provides a waterproof modular top cover structure, comprising: The outer layer of the bucket and the connecting cap, wherein the connecting cap is disposed on the outer layer of the bucket; A sealing assembly disposed within the connection cover opening; The sealing assembly includes an internal thread layer, which is formed at the lower end of the inner circumference of the connecting cover opening. An inner sealing cover is screwed into the internal thread layer through a threaded connection. Several columns are provided on the surface of the inner sealing cover, and a shelf is movably fitted onto the columns.

[0007] As a further technical solution, an airbag layer is connected between the periphery of the side surface of the layer plate and the periphery of the side surface of the inner sealing cover, and an inner layer is formed around the inner surface of the connecting cover opening, with the airbag layer filling the inner layer.

[0008] As a further technical solution, the upper end of the column is provided with an outer cover, the outer cover has a circular opening at the center, and the center of the surface of the shelf is provided with a filling nozzle, which is located at the circular opening.

[0009] As a further technical solution, the outer surface of the layer plate is attached to the inner wall of the connecting cover opening, a sealing gasket is provided at the bottom of the filling nozzle, and a sealing plug is connected to the filling nozzle by a threaded connection.

[0010] As a further technical solution, a monitoring component is also included. The monitoring component is disposed on the layer plate and the outer cover. The monitoring component includes a circular hole, which is opened on the surface of the outer cover. An outer cover is disposed on the outer cover, and the outer cover is located at the circular hole.

[0011] As a further technical solution, a limiting sleeve is provided inside the circular hole, and a reflective block is provided on the surface of the plate. The reflective block is located inside the circular hole, and the upper end of the reflective block passes through the limiting sleeve.

[0012] As a further technical solution, a spring is fitted on the reflective block, the spring is supported between the reflective block and the limiting sleeve, and a distance sensor is installed vertically downward inside the top of the outer cover, the distance sensor and the reflective block are located on the same axis.

[0013] As a further technical solution, a pair of sealing gaskets are provided around the bottom surface of the outer cover, the sealing gaskets are located on the inner and outer sides of the column, and a buzzer alarm is installed on the outer cover.

[0014] The beneficial effects of the embodiments disclosed herein are as follows: In this disclosure, the sealing assembly solves the problem of easy leakage in traditional top covers through a multi-layered protective design. The inner threaded layer and the inner sealing cap form a basic seal, and the air bladder layer, after inflation, tightly fills the inner layer, compensating for thread gaps and adapting to dimensional fluctuations caused by temperature changes. The shelf plate fits snugly against the inner wall of the connecting cap opening to enhance sealing performance, and the sealing plug and gasket prevent air leakage from the air bladder. This structure can maintain a good seal even under tilted and vibrating conditions, preventing chemical reagent leakage, improving storage safety, and extending service life. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of this disclosure, the accompanying drawings used in the description of the embodiments of this disclosure will be briefly introduced below. Obviously, the drawings described below are merely some exemplary embodiments of this disclosure. For those skilled in the art, other drawings can be obtained based on the content of the exemplary embodiments of this disclosure and these drawings without any creative effort.

[0016] Figure 1 This is a schematic diagram of a structure in one embodiment of the present disclosure; Figure 2 This is an isometric sectional view of the present disclosure; Figure 3 Appendix to this disclosure Figure 2 Enlarged view of part A in the middle; Figure 4 Appendix to this disclosure Figure 2 Enlarged view of part B in the middle section; Figure 5 Appendix to this disclosure Figure 2 Enlarged view of part C in the middle; In the diagram: 1. Outer layer of the barrel; 2. Connecting cap opening; 3. Sealing assembly; 3-1. Internal thread layer; 3-2. Inner sealing cap; 3-3. Column; 3-4. Shelf; 3-5. Airbag layer; 3-6. Inner layer; 3-7. Outer cap; 3-8. Circular opening; 3-9. Filling nozzle; 3-10. Sealing gasket; 3-11. Sealing plug; 4. Monitoring assembly; 4-1. Circular hole; 4-2. Outer cover; 4-3. Limiting sleeve; 4-4. Reflector; 4-5. Spring; 4-6. Distance sensor; 5. Sealing gasket; 6. Alarm. Detailed Implementation

[0017] The present disclosure will now be described in further detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present disclosure and are not intended to limit the scope of the disclosure.

[0018] To keep the drawings concise, each drawing only schematically shows the parts relevant to the disclosure; these do not represent the actual structure of the product. Furthermore, for ease of understanding, in some drawings, only one of components with the same structure or function is schematically shown, or only one is labeled. In this document, "one" not only means "only one," but can also mean "more than one," and "several" includes "two" and "more than two."

[0019] In this document, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linkage" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this disclosure based on the specific circumstances.

[0020] In this disclosure, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0021] In the description of this embodiment, terms such as "upper," "lower," "left," and "right" are based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of description and simplification of operation, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this disclosure.

[0022] Furthermore, in the description of this application, the terms "first," "second," etc., are used only to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0023] like Figures 1-5 As shown, it illustrates a waterproof modular top cover structure according to an embodiment of the present disclosure, comprising: The outer layer 1 of the bucket and the connecting cap 2, wherein the connecting cap 2 is disposed on the outer layer 1 of the bucket; Sealing component 3, wherein the sealing component 3 is disposed within the connecting cover opening 2; The sealing assembly 3 includes an internal thread layer 3-1, which is formed at the lower end of the inner circumference of the connecting cover opening 2. An inner layer 3-6 sealing cover 3-2 is screwed into the internal thread layer 3-1 via a threaded connection. Several posts 3-3 are provided on the surface of the inner layer 3-6 sealing cover 3-2. A layer plate 3-4 is movably fitted onto each post 3-3. An airbag layer 3-5 is connected between the side surface of the layer plate 3-4 and the side surface of the inner layer 3-6 sealing cover 3-2. The inner surface of the connecting cover opening 2 is formed around... There is an inner layer 3-6, and the airbag layer 3-5 is filled in the inner layer 3-6. The upper end of the column 3-3 is provided with an outer cover 3-7. The outer cover 3-7 has a circular opening 3-8 at its center. The filling nozzle 3-9 is provided at the center of the surface of the layer plate 3-4. The filling nozzle 3-9 is located at the circular opening 3-8. The outer surface of the layer plate 3-4 is attached to the inner wall of the connecting cover opening 2. A sealing gasket 3-10 is provided at the bottom of the filling nozzle 3-9. A sealing plug 3-11 is connected to the filling nozzle 3-9 by a threaded connection.

[0024] In some examples, a sealing assembly 3 is designed to achieve multi-layer sealing. This assembly includes an internally threaded layer 3-1 connecting the lower end of the inner circumference of the cover opening 2 and the inner layer 3-6 sealing cap 3-2, which are connected by a threaded fit. When tightened, a preliminary seal is achieved. Several pillars 3-3 are evenly distributed on the surface of the inner layer 3-6 sealing cap 3-2. The layer plate 3-4 is movably fitted onto the pillars 3-3 through through holes and can move axially along the pillars 3-3. The airbag layer 3-5 between the circumference of the side surface of the layer plate 3-4 and the circumference of the side surface of the inner layer 3-6 sealing cap 3-2 is made of elastic rubber, and the edges are sealed by a heat-sealing process to form an annular sealing cavity. The inner layer 3-6 connecting the circumference of the inner surface of the cover opening 2 is an annular groove that matches the shape of the airbag layer 3-5. After the airbag layer 3-5 is inflated, it can fill the inner layer 3-6 to form a tightly fitting sealing structure. The outer cover 3-7 at the upper end of the column 3-3 is fixed by threads or clips. The circular opening 3-8 at the center provides an operating channel for the filling nozzle 3-9. The filling nozzle 3-9 at the center of the surface of the shelf 3-4 is connected to the inside of the airbag layer 3-5, and can be inflated into the airbag layer 3-5 through an inflation device. The sealing gasket 3-10 at the bottom of the filling nozzle 3-9 cooperates with the sealing plug 3-11 to achieve a seal after inflation and prevent gas leakage. The outer surface of the shelf 3-4 is tightly fitted to the inner wall of the connecting cover opening 2 to form an auxiliary seal.

[0025] During operation, first screw the inner layer 3-6 sealing cap 3-2 into the inner thread layer 3-1 and tighten it. Then, inflate the airbag layer 3-5 through the filling nozzle 3-9. After the airbag layer 3-5 expands, it fills the inner layer 3-6 of the connecting cover 2. At the same time, it pushes the layer plate 3-4 upward along the column 3-3 until the outer surface of the layer plate 3-4 is tightly fitted with the inner wall of the connecting cover 2. Finally, tighten the sealing plug 3-11 to complete the seal. The elastic filling of the airbag layer 3-5 can compensate for the gap of the threaded connection, adapt to the dimensional changes caused by temperature changes, and ensure long-term reliable sealing. The threaded connection achieves basic sealing and structural fixation, and the expansion filling of the airbag layer 3-5 forms an elastic seal. The combination of the two greatly improves the waterproof performance. The movable design of the layer plate 3-4 provides space for the airbag layer 3-5 to inflate, while enhancing the fit and seal with the inner wall of the connecting cover 2. The cooperation between the filling nozzle 3-9 and the sealing plug 3-11 facilitates the inflation and sealing maintenance of the airbag layer 3-5. This component, with its multi-layered sealing structure, effectively prevents liquid leakage and meets the waterproofing requirements of various types of containers.

[0026] like Figures 1-5 As shown, this embodiment also includes a monitoring component 4, which is disposed on the layer plate 3-4 and the outer cover 3-7. The monitoring component 4 includes a circular hole 4-1, which is formed on the surface of the outer cover 3-7. An outer cover 4-2 is disposed on the outer cover 3-7 and is located at the circular hole 4-1. A limiting sleeve 4-3 is disposed inside the circular hole 4-1. A reflective block 4-4 is disposed on the surface of the layer plate 3-4 and is located inside the circular hole 4-1. The upper end of the reflective block 4-4 passes through the limiting sleeve 4-3. A spring 4-5 is fitted on the reflective block 4-4 and is supported between the reflective block 4-4 and the limiting sleeve 4-3. A distance sensor 4-6 is vertically mounted downward inside the top of the outer cover 3-7. The distance sensor 4-6 and the reflective block 4-4 are located on the same axis.

[0027] In some examples, in order to achieve real-time monitoring of the air pressure of the airbag layer 3-5 and ensure stable sealing performance, a monitoring component 4 is designed. This component includes a circular hole 4-1 on the surface of the outer cover 3-7 to provide an installation channel for the reflector block 4-4 and the distance sensor 4-6. The outer cover 4-2 on the outer cover 3-7 is fixed by bolts and is located at the circular hole 4-1 to protect the internal components from external environmental interference. The limiting sleeve 4-3 inside the circular hole 4-1 is made of wear-resistant material and is fixed to the outer cover 3-7 by interference fit to provide guidance for the reflector block 4-4. The reflector block 4-4 on the surface of the plate 3-4 is vertically fixed and located directly below the circular hole 4-1. Its upper end passes through the limiting sleeve 4-3 and can move axially along the limiting sleeve 4-3. The spring 4-5 fitted on the reflector block 4-4 is supported between the flange at the bottom of the reflector block 4-4 and the limiting sleeve 4-3, and always applies an upward elastic force to the reflector block 4-4. The distance sensor 4-6, which is vertically installed downward inside the top of the outer cover 3-7, is fixed by a bracket and is located on the same axis as the reflector block 4-4. It can emit and receive reflected signals and calculate the distance between the two.

[0028] During operation, the airbag layer 3-5 inflates, pushing the shelf 3-4 upwards. The reflector block 4-4 rises synchronously with the shelf 3-4, compressing the spring 4-5. When the air pressure in the airbag layer 3-5 decreases, the spring 4-5 pushes the reflector block 4-4 downwards with the shelf 3-4. The distance sensor 4-6 monitors the distance change between itself and the reflector block 4-4 in real time. This distance change reflects the positional change of the shelf 3-4, thus determining the air pressure status of the airbag layer 3-5. When the distance exceeds a set threshold, an alarm is triggered. The cooperation between the reflector block 4-4 and the spring 4-5 converts the air pressure change of the airbag layer 3-5 into a displacement change, facilitating sensor monitoring. The limiting sleeve 4-3 ensures the axial movement of the reflector block 4-4, guaranteeing the accuracy of distance measurement. The non-contact measurement method of the distance sensor 4-6 provides rapid response and enables real-time monitoring. The protective function of the outer cover 4-2 ensures the sensor operates normally in harsh environments. This component indirectly monitors the air pressure of the airbag layer 3-5 through displacement sensing, promptly detecting any decrease in sealing performance and ensuring the waterproof reliability of the top cover.

[0029] For example, such as Figure 5 As shown, a pair of sealing gaskets 5 are provided around the bottom surface of the outer cover 3-7. The sealing gaskets 5 are located on the inner and outer sides of the column 3-3. A buzzer alarm 6 is installed on the outer cover 3-7.

[0030] In some examples, a pair of sealing gaskets 5 around the bottom of the outer cover 3-7 are located on the inner and outer sides of the column 3-3, respectively. They are made of aging-resistant rubber and are fixed to the outer cover 3-7 with adhesive. The inner gasket enhances the sealing between the outer cover 3-7 and the shelf 3-4, preventing moisture from seeping in through the gap between them. The outer gasket strengthens the fit and seal between the outer cover 3-7 and the connecting cover 2, forming double protection. The buzzer 6 on the outer cover 3-7 is electrically connected to the distance sensor 4-6, which will trigger the buzzer 6 to emit an audible and visual alarm, promptly reminding the operator to check the sealing status and avoid liquid leakage due to sealing failure, thus ensuring the waterproof reliability of the top cover.

[0031] In actual use: Screw the inner layer 3-6 sealing cap 3-2 into the inner thread layer 3-1 of the connecting cap 2 and tighten it. Inflate the airbag layer 3-5 through the filling nozzle 3-9, causing it to expand and fill the inner layer 3-6 of the connecting cap 2. At the same time, push the layer plate 3-4 upward along the column 3-3 until the outer surface of the layer plate 3-4 is tightly fitted with the inner wall of the connecting cap 2. Tighten the sealing plug 3-11 to complete the seal. After the outer cover 3-7 is closed, the distance sensor 4-6 of the monitoring component 4 monitors the distance to the reflector block 4-4 in real time. If the air pressure of the airbag layer 3-5 drops, causing the layer plate 3-4 to move downward, the reflector block 4-4 will move downward as well, and the spring 4-5 will stretch. When the distance exceeds the threshold, the buzzer alarm 6 will trigger an alarm. The sealing gasket 5 on the bottom surface of the outer cover 3-7 further enhances the waterproof effect, achieving multi-layer sealing and leakage warning throughout the process.

[0032] It should be noted that the above embodiments are only used to illustrate the technical solutions of this disclosure and are not intended to limit it. Although this disclosure has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this disclosure without departing from the spirit and scope of the technical solutions of this disclosure, and all such modifications and substitutions should be covered within the scope of the claims of this disclosure.

Claims

1. A waterproof modular top cover structure, characterized in that, include: The outer layer of the bucket (1) and the connecting cap (2) are provided on the outer layer of the bucket (1); A sealing assembly (3) is disposed within the connection cover opening (2); The sealing assembly (3) includes an internal thread layer (3-1), which is opened at the lower end of the inner circumference of the connecting cover opening (2). An inner layer (3-6) sealing cover (3-2) is screwed into the internal thread layer (3-1) through a threaded connection. A plurality of posts (3-3) are provided on the surface of the inner layer (3-6) sealing cover (3-2), and a shelf (3-4) is movably fitted on the posts (3-3).

2. The waterproof modular top cover structure according to claim 1, characterized in that, An airbag layer (3-5) is connected between the side surface of the layer plate (3-4) and the side surface of the inner layer (3-6) sealing cap (3-2). The inner layer (3-6) is provided around the inner surface of the connecting cap (2), and the airbag layer (3-5) is filled in the inner layer (3-6).

3. The waterproof combined top cover structure according to claim 2, characterized in that, The upper end of the column (3-3) is provided with an outer cover (3-7), and a circular opening (3-8) is provided at the center of the outer cover (3-7). A filling nozzle (3-9) is provided at the center of the surface of the shelf (3-4), and the filling nozzle (3-9) is located at the circular opening (3-8).

4. The waterproof combined top cover structure according to claim 3, characterized in that, The outer surface of the layer plate (3-4) is attached to the inner wall of the connecting cover (2) around its perimeter. A sealing gasket (3-10) is provided at the bottom of the filling nozzle (3-9). A sealing plug (3-11) is connected to the filling nozzle (3-9) by a threaded connection.

5. A waterproof combined top cover structure according to claim 3, characterized in that, It also includes a monitoring component (4), which is disposed on the layer plate (3-4) and the outer cover (3-7). The monitoring component (4) includes a circular hole (4-1), which is opened on the surface of the outer cover (3-7). An outer cover (4-2) is disposed on the outer cover (3-7), and the outer cover (4-2) is located at the circular hole (4-1).

6. The waterproof combined top cover structure according to claim 5, characterized in that, A limiting sleeve (4-3) is provided inside the circular hole (4-1), and a reflective block (4-4) is provided on the surface of the plate (3-4). The reflective block (4-4) is located inside the circular hole (4-1), and the upper end of the reflective block (4-4) passes through the limiting sleeve (4-3).

7. A waterproof combined top cover structure according to claim 6, characterized in that, A spring (4-5) is fitted onto the reflector block (4-4), and the spring (4-5) is supported between the reflector block (4-4) and the limiting sleeve (4-3). A distance sensor (4-6) is vertically installed at the top inside the outer cover (3-7), and the distance sensor (4-6) and the reflector block (4-4) are located on the same axis.

8. A waterproof combined top cover structure according to claim 3, characterized in that, A pair of sealing gaskets (5) are provided around the bottom surface of the outer cover (3-7). The sealing gaskets (5) are located on the inner and outer sides of the column (3-3). A buzzer alarm (6) is installed on the outer cover (3-7).

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