30results about How to "Improve waterproof reliability" patented technology

The utility model discloses a building integrated photovoltaics (BIPV) guide rail type water guide groove connecting structure and a water guide assembly, the connecting structure comprises a supporting groove and a limiting piece, the limiting piece is located on the inner bottom wall of the supporting groove and longitudinally extends along the supporting groove, the cross section of the limiting piece is T-shaped, the limiting piece is used for being embedded with a guide groove in the outer bottom wall of the water guide groove, and the two ends of the supporting groove are open. The supporting groove is used for being inserted into the ends of the two water guiding grooves, the inner wall of the supporting groove can be attached to the outer walls of the water guiding grooves, first flat edges are arranged at openings in the two sides of the supporting groove, second flat edges are arranged at openings in the two sides of the water guiding grooves, the first flat edges are attached to the second flat edges, and locking pieces are arranged on the first flat edges and the second flat edges. The connecting structure is used for limiting the relative displacement of the supporting groove and the water guiding groove in the longitudinal direction and is good in waterproofness, good in wind uplift resistance and easy to install. The water guide assembly has long-acting water resistance and structural stability in a complex environment, and is simple in structure, convenient to disassemble and assemble, convenient to machine, low in material consumption and large in water guide amount.

The application relates to the technical field of waterproof construction of building engineering, and discloses a waterproof structure at the interface between a temporary lattice column and a bottom plate of a foundation pit, which comprises a bottom waterproof layer, a fine stone concrete protective layer, a first-poured concrete bottom plate, an inner water-stop steel plate, an outer water-stop steel plate, a steel plate water-stop belt, post-poured expansion concrete and a grouting pipe; the waterproof structure is constructed into a bottom waterproof layer combined with sealing glue, inner and outer water-stop steel plates combined with water-swelling water-stop strips, a steel plate water-stop belt, post-poured expansion concrete, a pre-buried grouting pipe and other multi-channel waterproof measures, so as to form a complete waterproof system with prevention as the main part, multi-channel prevention and grouting remediation. The waterproof structure fully learns from the mature method of the post-poured water-stop joint, initiatively applies the post-poured water-stop idea to the waterproof structure of the interface between the lattice column and the bottom plate, and provides the waterproof structure at the interface between the temporary lattice column and the bottom plate of the foundation pit, which forms a multi-channel prevention system and has reliable waterproof effect.

The utility model relates to a kind of vehicle waterproof door hole sealing strip and vehicle, including sealing strip body, butyl rubber layer and double bubble tube sealing support structure, the butyl rubber layer is set to the sealing strip body for with the card joint part of vehicle body sheet metal stop opening installation, the double bubble tube sealing support structure is set to the sealing strip body for with the sealing lip edge part of door cooperation.The utility model has the beneficial effect that it realizes double dynamic sealing, improves waterproof reliability and enhances impact resistance and deformation resistance.

The application relates to the technical field of tunnel engineering, and particularly discloses a 3D printing integrated tunnel lining structure and a construction method thereof. The structure is sequentially provided with a concrete leveling layer, a spray membrane waterproof layer and a concrete functional layer from the side of surrounding rock inward, and is particularly suitable for supporting and waterproof construction of underground engineering such as highway tunnels, railway tunnels, urban rail transit tunnels and the like. Based on the integrated design concept, the structure is adaptively designed according to the surrounding rock grade, the spray membrane waterproof layer and the concrete functional layer are cooperatively formed by using the 3D printing technology, the bearing capacity of the lining structure is significantly improved while meeting the waterproof requirement, the construction period is effectively shortened, and the construction cost is reduced. The performance and construction efficiency of the tunnel lining structure are improved.

The utility model relates to a segment hand hole plugging and template fixing device based on a suspender embedded sleeve. The segment hand hole plugging and formwork fixing device based on the suspender embedded sleeve comprises the embedded sleeve, a suspender and a formwork supporting mechanism. The embedded sleeve is nested at the bottom of a hand hole of a duct piece, internal threads are arranged in the embedded sleeve, the formwork supporting mechanism is mounted at an opening of the hand hole through the hanging rod, one end of the hanging rod is in threaded connection with the embedded sleeve, the other end of the hanging rod is located on the outer side of the formwork supporting mechanism and is in threaded connection with an end nut, and the hanging rod is further sleeved with a middle nut. The middle nut is located in the hand hole. Damage of a traditional drilling fixing mode to the segment structure is avoided, and the construction efficiency and stability are improved; the plugging mechanism is filled with micro-expansive concrete and is combined with a water stop ring, so that the plugging strength and the waterproof performance are effectively improved, the long-term stability of hand hole plugging is ensured, and the construction convenience, the applicability and the waterproof reliability are improved.

The utility model discloses a LED street lamp, its technical key point scheme includes casing, light -transmitting cover, sealing washer no.

The utility model provides a plugging-free outer wall waterproof sleeve which comprises a sleeve body, a wing ring is arranged on the outer wall in the circumferential direction, and an internal thread connector is arranged at one end of the sleeve body. The external thread pipe plug is in threaded connection with the internal thread connector, and a hexagon bolt for a tool to twist is arranged at the end of the external thread pipe plug; and the limiting clamping piece is arranged on the inner wall of the casing pipe body and used for restraining the depth of the portion, screwed into the casing pipe body, of the external thread pipe plug, and the effects of simplifying the working procedure, reducing the plugging and maintaining cost, reducing the leakage risk and improving the construction efficiency are achieved.

The utility model discloses a horn installation structure and an electronic device, the horn installation structure comprises a housing, the housing is provided with an installation groove, the groove bottom of the installation groove is provided with a sound outlet hole and a waterproof strip, the sound outlet hole penetrates through the groove bottom of the installation groove, the waterproof strip is arranged along the outer side of the sound outlet hole for a circle, and the waterproof strip is arranged on the outer side of the installation groove. The waterproof strip and the shell are integrally formed; and the loudspeaker is adaptively arranged in the mounting groove, the loudspeaker is provided with a clamping piece, a clamping part is arranged at a corresponding position of the shell, and when the clamping piece is adaptively clamped with the clamping part, the loudspeaker extrudes the waterproof strip, so that the loudspeaker is hermetically connected with the groove bottom of the mounting groove. According to the utility model, the required space is small, the waterproof effect is good, the assembly is simple, and the first pass yield of the production process is improved.

The invention discloses a roof assembly part of a transformer substation and an assembly type roof, and relates to the technical field of roof construction. The roof assembly part comprises a bottom plate, an inner core structure, a first connecting structure, a second connecting structure and a panel; wherein a mounting position is formed on the bottom plate; the inner core structure comprises a waterproof layer and a heat preservation layer which are sequentially arranged from top to bottom, and the heat preservation layer is installed at the installation position; the first connecting structure and the second connecting structure are arranged at the two ends, in the transverse direction, of the inner core structure correspondingly, the first connecting structure and the second connecting structure are both installed at the installation position, the first connecting structure is used for being connected with the second connecting structure of another roof assembly part, and the second connecting structure is used for being connected with the first connecting structure of another roof assembly part; and the panel covers the tops of the waterproof layer, the first connecting structure and the second connecting structure. According to the roof assembly part, the construction efficiency of roof construction can be improved, and the construction period is shortened.

The present disclosure relates to a middle frame assembly and an electronic device, wherein the middle frame assembly comprises a frame and a pressure sensor assembly, the frame comprises a side frame, and an outer surface of the side frame comprises a key area; the pressure sensor assembly is arranged on an inner surface of the side frame corresponding to the position of the key area, and the pressure sensor assembly is configured to generate a pressure signal according to the pressure received by the key area. In this way, instead of setting the physical key, not only the use of key components can be reduced, thereby facilitating the assembly of the middle frame assembly and improving the assembly efficiency of the middle frame assembly, but also the waterproof reliability of the middle frame assembly can be further improved. In addition, the key area is arranged on the side frame, which is more in line with the user's usage habits and is convenient for the user to operate, thereby effectively improving the user's experience.

The invention relates to the technical field of vehicle accessory devices and vehicle safety auxiliary devices, in particular to a storage backpack at the tail of an automobile and an automobile tail door with a storage function, which comprises a shell with an open back, a lining arranged on the inner side of the shell, a brake lamp and a rear camera, first annular waterproof foam is arranged on the portion, close to the open side of the back face, of the side wall of the lining, the lining is sleeved with the shell, the shell and the lining are connected to form a storage backpack, the first annular waterproof foam is used for sealing an assembly gap between the shell and the lining, the lining is provided with a storage cavity, and the storage cavity is communicated with the shell. The opening of the storage cavity faces the open side of the back face of the shell, on the basis that the tail storage function is guaranteed, reasonable integrated arrangement of the brake lamp and the rear camera is achieved, and the function integration level and waterproof reliability of the whole machine and the working stability of electric devices are improved.

This utility model discloses a rainproof and water-blocking structure for the lower frame of doors and windows, mainly composed of a water-blocking plate, a slot seat, and a snap-on edge with a snap-on head at one end and fixedly connected to the water-blocking plate at the other end. The slot seat has an upper fixed end and a lower fixed end located below the upper fixed end. The water-blocking plate is connected to the upper fixed end through its upper edge, and the snap-on edge is connected to the lower fixed end through its snap-on head. This utility model guides rainwater flow through the physical structure of the water-blocking plate, rather than relying on chemical waterproofing methods such as sealant to achieve waterproofing. Therefore, it reduces the dependence on auxiliary waterproofing methods such as sealant and significantly improves the reliability of waterproofing.

The application provides a rolling brush motor and a ground brush assembly. The rolling brush motor comprises a stator, a rotor shell and a fixed shaft led out from the stator and the rotor shell; the stator is fixed on the fixed shaft; the rotor shell is rotatably sleeved on the stator and is configured to drive the rolling brush of the cleaning device to rotate; a wire channel is arranged in the first end of the fixed shaft to lead the lead wire of the stator out of the rotor shell; and the material of the fixed shaft is engineering plastic. The fixed shaft is made of engineering plastic to form the wire channel in the fixed shaft, realize internal wiring, enhance waterproof reliability, reduce the entry of water vapor into the rotor shell from the assembly position of the bearing and the fixed shaft, stably assemble the uniform outer surface of the fixed shaft and the inner ring of the bearing to reduce shaking, and avoid the need for more installation fixing structures and space for additional wiring.

This application relates to a rotary screen with a waterproof structure, belonging to the technical field of display control devices. The rotary screen includes a housing, comprising a mounting base and a display bracket; a PCB board fixed inside the mounting base; a hollow encoder fixed on the PCB board; a display screen, with one end of the display bracket connected to the display screen and the other end coaxially connected to the fixed inner ring of the hollow encoder; and a rotary assembly including a rotating ring coaxially sleeved on the outside of the mounting base, with an extension bracket coaxially fixed inside the rotating ring, located between the display bracket and the mounting base, and coaxially connected to the rotating outer ring of the hollow encoder; a water-guiding groove coaxially formed at one end of the rotating ring, and a water-blocking ring coaxially disposed on the display bracket, coaxially disposed with the water-guiding groove, one end of the water-blocking ring fixedly connected to the display bracket, and the other end inserted into the water-guiding groove. This application can improve the waterproof reliability of the rotary screen while ensuring the smooth rotation of the rotating ring.

The utility model discloses a novel underground structure expansion joint waterproof structure, an expansion joint is filled with sealant, the expansion joint is provided with a first red copper waterstop and a second red copper waterstop at intervals from the inside of a basement to the outside of the basement, and two red copper waterstops form two metal waterstops. An extruded polystyrene board is installed at the end, close to the interior of a basement, of the sealant, a waterproof coiled material is installed on the surface of the outer wall of the basement, and a protective layer is arranged outside the waterproof coiled material. The red copper has the advantages of being resistant to corrosion and excellent in ductility and can play a good waterproof role, and the waterproof structure has the advantages of being reasonable in design, good in waterproof performance, good in corrosion resistance and good in durability.

The application discloses a comprehensive distribution box and an inlet and outlet line waterproof assembly, and relates to the technical field of distribution boxes. The comprehensive distribution box comprises a box body, inlet and outlet line holes are formed in the bottom and the top of the side surface of the box body, and the inlet and outlet line waterproof assembly is arranged on the inlet and outlet line holes. The inlet and outlet line waterproof assembly comprises an elbow pipe, a sealing mechanism is arranged in the bent section of the elbow pipe, a fixing mechanism is arranged in the vertical section of the elbow pipe, and a torsion mechanism is arranged in the horizontal section of the elbow pipe. The fixing mechanism comprises an annular seat and a guide seat, a driving structure is arranged on the annular seat, a fixing structure is arranged on the guide seat, and a bent rod is arranged at the end of the guide seat. A limiting rod is arranged at the end of the annular seat, the guide seat is sleeved on the limiting rod, and a buffer spring is sleeved on the outer end of the limiting rod. The application effectively improves the sealing performance of the inlet and outlet line position by eliminating the gap between the inlet and outlet lines, improves the waterproof effect, and effectively avoids the situation that the power supply is affected due to the pulling of the inlet and outlet lines.

The utility model discloses a roof construction overflow outlet waterproof structure, it includes overflow pipe and sets up in roof concrete base surface anchor rod groove: the inner chamber of anchor rod groove is provided with anchor rod, the inner wall between anchor rod and anchor rod groove is filled with the plant together and fills the adhesive layer, the surface of overflow pipe is provided with ring groove, the outside of overflow pipe and the inner chamber of ring groove all fill with structural adhesive layer. The utility model is through the outside of overflow pipe to the plugging of waterproof coating layer, then through structural adhesive layer and sticks waterproof roll layer in ring groove inner wall and roof base surface top, simultaneously through the cooperation of anchor rod and nut block, connects and reinforces between the side of waterproof roll layer and base surface top, can reach through waterproof roll and wraps waterproof coating of drain pipe outer wall, and fixes respectively to the pipe wall and roof base surface to both sides of waterproof roll, and then improves structural stability, thereby improves the purpose of roof overflow outlet waterproof reliability.

The application provides a flexible socket joint waterproof structure and an underground pipe gallery, and the flexible socket joint waterproof structure comprises a first concrete segment and a second concrete segment which are engaged with each other, and an elastic insert piece is fixedly connected in an elastic lock groove between the first concrete segment and the second concrete segment through structural glue, so that a continuous waterproof plate structure is formed; meanwhile, a gap between a waterproof plate and a socket port working surface is filled with a sealing waterproof material, an interface vertical limiting is formed, a second waterproof line of the waterproof structure is provided, and thus waterproof reliability is further improved. The socket joint waterproof plate structure is automatically connected and locked during socket connection, has a large redundancy of processing error, is convenient to construct, has good durability, can be applied to socket interfaces of various municipal buried pipes and linear structures such as culverts, has good deformation adaptability and waterproof reliability, is beneficial to sustainable development of social economy, and has good economic and social benefits.

The utility model relates to the technical field of charging equipment, and provides charging equipment capable of preventing rainwater from entering, the upper end of a power supply shell is provided with a groove, one side, close to the groove, of the power supply shell is provided with a wire combing groove, and two transverse sides of the power supply shell are provided with limiting grooves. The upper end of the power supply housing is provided with a waterproof assembly used for preventing water. The beneficial effects of the utility model are that through the design of the slidable water baffle and the automatic reset sealing assembly, an open type operation space is provided during charging, after charging, the sealing plate is driven by the reset spring to fill a gap, and the waterproof assembly is arranged at the top end of the water baffle. According to the waterproof charging device, the waterproof protection in the charging process is achieved by matching with the orderly storage of the line combing groove, the waterproof reliability of the device is effectively improved, the retention area of rainwater on the surface of the device can be reduced through the matching design of the arc-shaped water baffle and the cylindrical shell, the sealing strength is guaranteed, and the portability of the device is improved.

This invention discloses a waterproof and heat-dissipating integrated cable branch box structure, relating to the field of cable branch boxes. It includes a supporting base, a waterproof base fixedly installed on the upper surface of the supporting base, and a branch box fixedly installed on the upper surface of the waterproof base. An opening is provided in the center of the front face of the branch box, and a door is rotatably installed on the side of the front face of the branch box near the opening via a bearing. Several heat dissipation holes are provided through the bottom of both sides of the branch box. The waterproof mechanism solves the problem of backflow into the bottom of existing branch boxes. When water accumulates outdoors, a hollow float, driven by buoyancy, causes the connecting frame and waterproof cloth to rise synchronously. The folded waterproof cloth unfolds to form a ring-shaped waterproof barrier around the bottom of the branch box, preventing water from flowing back to the bottom of the box. The drainage holes can promptly drain small amounts of water from the fixed inner groove, preventing the waterproof cloth from aging due to long-term soaking, improving waterproof reliability, reducing component failures caused by rainwater immersion, and lowering the maintenance frequency.

The utility model relates to the technical field of cabinet body sealing, in particular to a sealing structure of an outdoor waterproof power cabinet. According to the technical scheme, the cabinet comprises a cabinet body, a cabinet door, a sealing element mounting groove and a sealing element, the cabinet body is provided with a concentric-square-shaped sealing piece installation groove, and the cabinet door is hinged to the cabinet body. The sealing element is fixed on the cabinet door and corresponds to the sealing element mounting groove in position; and when the cabinet door is closed, the sealing element is embedded into the sealing element mounting groove to form sealing. By arranging a stacked structure of the first-stage sealing strip, the second-stage sealing strip and the third-stage sealing strip and matching with the stepped inner wall of the sealing piece mounting groove, multi-stage compression sealing is formed, water permeation is blocked layer by layer, and the waterproof reliability in the outdoor environment is remarkably enhanced.

The utility model relates to the technical field of underground engineering waterproofing, and discloses a shield well permanent and temporary combination ring frame beam and side wall multi-stage grouting composite waterproof structure which comprises an underground diaphragm wall body, a permanent and temporary combination ring frame beam body and a side wall body. According to the shield well permanent and temporary combined ring frame beam and side wall multi-stage grouting composite waterproof structure, the PVC waterproof coiled material adopts the specification with the thickness larger than or equal to 1.5 mm, a three-stage continuous sealing layer is formed by the PVC waterproof coiled material, the polysulfide sealant and the water stop belt through the sweat soldering technology, the underground water permeation path is effectively blocked, the joint leakage rate is remarkably reduced, the galvanized grouting steel pipe is pre-buried in the DN specification, and therefore the construction efficiency is improved. The galvanized grouting steel pipe works cooperatively with the repeatable grouting pipe, through the multi-round grouting technology of single-liquid cement paste, full compaction of a cement paste filling layer is achieved, the leakage risk of structural joints and cavities is thoroughly eliminated, and the galvanized grouting steel pipe creatively has the dual functions of underground water guide and drainage in the construction period and permanent anti-seepage grouting. Precise regulation and control of the grouting process are achieved through a ball valve control system.

This utility model provides a waterproof reinforcement structure for houses, belonging to the field of building construction, to solve the problems of multiple leakage risks and high construction difficulty in traditional waterproof reinforcement. It includes a base reinforcement board; an "S"-shaped upper water-blocking connecting strip is fixedly connected to the rear top of the base reinforcement board, an "S"-shaped lower water-blocking connecting strip is fixedly connected to the rear bottom of the base reinforcement board, a left drainage connecting strip is fixedly installed on the rear left side wall of the base reinforcement board, and a right drainage connecting strip is fixedly installed on the front right side wall of the base reinforcement board. Both the right and left drainage connecting strips are arc-shaped, with adjacent right drainage connecting strips on the left and right sides of the base reinforcement board pressing against the front left side of the left drainage connecting strip. In this waterproof reinforcement structure, adjacent base reinforcement boards are interlocked through the "S"-shaped upper and lower water-blocking connecting strips, creating a stepped waterproof barrier that greatly extends the water penetration path and effectively prevents leakage. The concave-convex fit and arc design of the left and right drainage connecting strips form a guide channel to guide water flow.

The utility model belongs to the technical field of unmanned aerial vehicles, and discloses a waterproof structure of an unmanned aerial vehicle, which comprises a shell and a battery assembly, and a mounting groove is formed in the top of the shell and is used for fixing the battery assembly; an interface groove is formed in the inner bottom wall of the mounting groove, a silica gel pad is bonded in the interface groove, and the silica gel pad is tightly attached to a battery shell of the battery assembly to form a sealing interface; at least two drainage grooves are formed in the tail portion of the machine shell, penetrate through the outer wall of the machine shell and are used for guiding accumulated water in the installation groove to the outer side of the machine shell. According to the utility model, the silica gel pad is bonded in the interface slot, so that the joint of the battery assembly and the shell is effectively sealed, water is prevented from entering the body of the unmanned aerial vehicle, and the waterproof reliability of the unmanned aerial vehicle in a humid and rainy environment is improved. And meanwhile, the drainage groove is arranged, so that accumulated water permeating into the mounting groove can be quickly guided to the outside of the shell, and the erosion of internal electronic components caused by water retention is avoided.

This utility model relates to the field of electrical switch technology, specifically disclosing a waterproof electrical switch for electrical engineering, comprising: a mounting body, a fixing plate fixedly connected to the outer surface of the mounting body, a protective box fixedly connected to the outer surface of the fixing plate, an opening and closing connecting shaft fixedly connected to the top of the protective box on the side away from the fixing plate, a protective cover movably connected to the outer surface of the opening and closing connecting shaft, and a top protection assembly fixedly connected to the upper surface of the protective box. The protective cover is connected to the opening and closing connecting shaft and the protective box. When opening and closing, the upper cover plate of the top protection assembly is pushed, causing the connecting plate and connecting rod to drive the limiting plate to compress the spring column in the fixing seat, thereby realizing the adaptive displacement of the top protection assembly. The elastic rubber lips on both sides and the bottom of the upper cover plate and the protective box are nested and fitted with the protective groove on the inner side of the protective cover, forming multiple sealing barriers during the opening and closing process and in the closed state, improving the problem of sealing failure when traditional switches are opened and closed, and significantly improving waterproof reliability.

The application belongs to the technical field of construction engineering, and particularly relates to a building bearing pressure uplift pile differential settlement double-path grouting collaborative control system. The system constructs a construction time sequence data set covering geology, design and real-time monitoring through a collection module; a displacement prediction module is used to input data into a dynamic parameter corrected soil squeezing effect prediction model and a differential settlement prediction model, and output accurate soil squeezing displacement and differential adjacent pile body settlement difference prediction values; a parameter optimization module generates a construction control instruction containing an optimized construction parameter benchmark value based on the prediction values and a preset threshold value; a control feedback module generates a control instruction to drive on-site equipment to execute by calculating the deviation and dynamically adjusting the parameters through real-time collection of dynamic feedback data, and finally realizes collaborative dynamic control of three key targets of soil squeezing effect, differential settlement and joint waterproofing, effectively guaranteeing the construction quality and safety of complex pile foundation engineering.

The application discloses a concrete anti-cracking waterproof construction method suitable for coastal areas and relates to the technical field of building engineering, which comprises the following steps: S1, base layer treatment: cleaning and pretreating the surface of a concrete base layer to ensure that the surface of the base layer is flat, solid and oil-free; and S2, microcapsule self-repairing layer construction: coating a microcapsule self-repairing material on the surface of the base layer to form a microcapsule self-repairing layer, wherein the microcapsule self-repairing material comprises microcapsules with a core-shell structure, the core material is an epoxy resin repairing agent, and the shell material is a urea-formaldehyde resin. The application is specially adapted to the environmental characteristics of high salt, high humidity and high temperature in coastal areas, an anti-cracking, waterproof and self-repairing integrated system is constructed through multiple processes, the microcapsule self-repairing layer can automatically release a repairing agent when a crack is generated, self-repairing of the crack is realized, the temperature is adjusted by phase change material microcapsules, and generation of temperature cracks is reduced; the waterproof reliability is improved, and the application has wide engineering application value.

The utility model discloses a kind of electric vehicles with protective devices, it is related to electric vehicle technical field.The electric vehicle with protective devices, including electric vehicle main body and battery pack bin, battery protection assembly includes battery protection box;Battery protection box is fixedly connected on electric vehicle main body, the upper end of battery protection box is clamped with protection box cover, second sealing ring is arranged between protection box cover and battery protection box, the inside of battery protection box is provided with battery box, the inside of two sealing ring placement grooves is clamped with first sealing ring;The surface of box cover is fixedly connected with connecting block, the inside of connecting block is threadedly connected with threaded rod, the inside of connecting block is slidably connected with limit block, through the double-layer waterproof design of "inner layer sealing and outer layer protection", double barrier substantially improves waterproof reliability, ensure that electric vehicle drives in rainy day, car washes and sprays etc. Scenarios, battery pack will not cause short circuit, cell attenuation etc. due to moisture intrusion.

This invention relates to the field of precast tunnel segment technology, and provides a connection structure for precast tunnel segments, including a segment body with connection mechanisms fixed on both sides. The invention utilizes these connection mechanisms, where a tenon moves a waterstop strip into a groove, achieving rapid alignment and preventing misalignment during assembly. The engagement of the tenon and groove transmits shear force at the joint, reducing the shear burden on the segment bolts and improving overall rigidity. Under the action of the segment bolts and nuts, two sets of segment bodies are connected and fixed together. The flat washer ensures a more durable and stable connection. The sealing gasket forms the first waterproof barrier, preventing groundwater infiltration. The waterstop strip expands upon contact with water, further filling the joint gaps as a second waterproof line, improving waterproof reliability. The sealing gasket and waterstop strip also buffer vibrations and reduce joint loosening, indirectly improving long-term connection stability.

The application discloses a socket waterproof structure and belongs to the technical field of sockets, which comprises a panel, a base detachably connected with the panel, a waterproof part and a protection assembly. The waterproof part is arranged on the panel, and a slot is formed in the waterproof part. The slot is in a closed state when a plug pin is not inserted. The protection assembly is arranged on the base. The slot is always in a closed state when the plug pin is not inserted, thereby being capable of blocking the socket and forming a first sealing protection. In this way, the path of liquid entering the base through the socket can be blocked, liquid can be effectively prevented from penetrating into the base, and the waterproof performance of the socket is improved. The protection assembly can form double protection cooperation with the waterproof part, the blocking capacity of liquid invasion is further improved, the waterproof reliability of the socket is improved, the safety hazards such as short circuit and electric leakage caused by liquid invasion are avoided, the electric safety is effectively ensured, and the use safety of the socket is improved.