62results about How to "Achieve waterproof function" patented technology

The utility model discloses a telephone set with a key waterproof structure, which relates to the technical field of key waterproofing of telephone sets and comprises a telephone set body and a microphone, the microphone is mounted on the upper wall surface of the telephone set body, a screen waterproof cover is mounted on the upper wall surface of the telephone set body, and a guide structure is mounted on the upper wall surface of the telephone set body. The outer wall surface of the guide structure is sleeved with a first key waterproof structure, the upper wall surface of the telephone set body is provided with a key positioning groove, a second key waterproof structure is installed in the key positioning groove, and a waterproof key structure is installed on the inner wall surface of the second key waterproof structure. The waterproof telephone set has the advantages that when the telephone set body is not used and water is sprinkled, the key waterproof cover can intercept most water and bear water pressure impact, and residual water loses impact force, flows in along a gap between the key waterproof cover and the key positioning groove and is intercepted by the second key waterproof structure.

This application relates to the field of atomizing device technology, and in particular discloses a power supply component and an electronic atomizing device that can be used in conjunction with an atomizer to provide power to the atomizer. The device includes a housing component and a support. The housing component has microchannels and an air vent connecting to the outside. The support is disposed within the housing component and defines a battery compartment for housing a battery. The microchannels extend non-linearly to form a tortuous fluid path. The battery compartment communicates with the outside environment through the microchannels and the air vent, thus maintaining normal communication with the outside world. Through this method, this application embodiment can maintain communication with the external environment while also ensuring waterproofing by relying on the tortuous microchannels. Furthermore, the microchannels connect the battery compartment to the external environment through the air vent, achieving pressure relief within the battery compartment and ensuring stable air pressure.

The utility model discloses a new energy truck battery replacing device, including box, box top installation has the box cover, and the box is installed with the rubber ring between the box cover, is equipped with the cavity in the box, and the bottom of cavity installs the mounting panel, and the electronic component and the connecting wire bundle are installed on the mounting panel, and one side of electronic component and connecting wire bundle is connected with the battery replacing connection device, and the battery replacing connection device installs at the bottom of box, and the other side of electronic component and connecting wire bundle is connected with the quick -witted connector, and the quick -witted connector installs at one side of box, and the quick -witted connector is connected with the battery pack, and one side of box is installed with the breather valve.

The utility model provides a waterproof connector of straight head, including shell and the inner shell of being located in the shell inside, the main part is with rotatable mode and is connected to set up in the inner shell inside, the one end of cable is from the rear side and enters the inner shell inside and is connected with the terminal of being located in the main part inside, its characterized in that: the rear end outer periphery of cable is respectively equipped with waterproof plug and tail plug, the rear end of waterproof plug and the front end of tail plug axial abut, waterproof plug is located in the inside of inner shell, tail plug and the rear end fixed connection of inner shell, waterproof structure is all arranged between the inner wall of inner shell and the inner wall of shell and between waterproof plug outer wall and the inner wall of inner shell, waterproof structure is all arranged between the inner wall of inner shell and the inner wall of shell and between waterproof plug outer wall and the inner wall of inner shell, and waterproof plug is equipped with in the outer periphery of cable rear end, can effectual realization waterproof function in the inside of shell.

This application provides a motor-driven rotating mirror assembly and a rotating lidar. The motor-driven rotating mirror assembly includes: a lens frame; a transmitting lens, a receiving lens, and a reflector, respectively fixedly mounted in a transmitting lens mounting hole, a receiving lens mounting hole, and a reflector mounting hole on the base of the lens frame; a transmitting circuit board and a receiving circuit board fixedly connected to the side of the base opposite to the side where the reflector mounting hole is located; a first through hole between the transmitting circuit board and the transmitting lens, and a second through hole between the receiving circuit board and the receiving lens; a rotating reflective structure, which is a straight or regular prism structure with reflective function on all sides; a rotating baffle that divides the rotating reflective structure into transmitting and receiving parts; a rotating mirror motor fixedly mounted in a motor mounting hole at one end of the rotating reflective structure and fixedly connected to the inner side of one side of the lens frame; and a rotating mirror motor drive circuit board fixedly mounted on the outer side of one side of the lens frame.

The utility model discloses an external direct current electric reactor which comprises a protective shell, an electric reactor body is arranged in the protective shell, heat dissipation openings used for heat dissipation and ventilation are formed in the two sides of the protective shell, and the external direct current electric reactor further comprises a rain shielding assembly connected to the upper portion of the protective shell. The baffle is rotated downwards until the baffle stops at the angle of covering the heat dissipation opening, the rain blocking effect is achieved, rainwater can be prevented from entering the protection shell, the waterproof function is achieved, the rain blocking plate is rotated upwards until the ventilation holes are not covered any more, heat dissipation and ventilation can be freely conducted in the protection shell through the heat dissipation opening, and water blocking and ventilation do not affect each other; by adopting the drainage grooves extending in the front-back direction, rainwater can be drained from the drainage grooves in the top plate to the front and back, the outflow amount of the rainwater flowing down from the two sides is reduced, the amount of the rainwater splashed on the heat dissipation openings in the two sides of the protective shell is reduced, and the situation that the rainwater enters the protective shell through the heat dissipation holes, and operation of equipment in the protective shell is affected is avoided.

This utility model relates to the field of encoder technology and discloses a magnetoelectric encoder, including a mechanical rotating assembly. The mechanical rotating assembly includes a retaining ring, a bushing, a bracket, and a shaft. The bushing is fixed to the center hole of the bracket by an interference fit. This magnetoelectric encoder, in this design, consists of a bracket, shaft, bushing, and retaining ring forming the basic mechanical rotating component. The front end of the shaft engages with a rotary seat, a spring is placed on the bushing, and a magnet is inserted into the inner hole of the rotary seat. Rotating the shaft causes the outer teeth of the rotary seat to contact the spring's pawl, generating a positioning CC (CC) sensation. Simultaneously, a switch pad is located above the magnet to fix the switch piece and PCBA. The rotary seat drives the magnet's rotation, causing its magnetic field to change and generating a signal that is output from the terminal to the end product. Compared to optoelectronic products, this design is structurally smaller, and the output signal can be adjusted via a computer using an IC chip, achieving the desired functions without changing the mechanical hardware. It also achieves IP waterproofing.

According to the shielding device and the refrigerator comprising the shielding device, the shielding function and the opening function of the shielding device are achieved by arranging the movable shielding part, the inner space and the outer space of an open hole can be effectively isolated so that water vapor can be prevented from invading the interior of the open hole, and the open hole can be opened to communicate the inner space and the outer space when needed. The device in the hole is allowed to work outwards; the driving device connected with the shielding part is arranged, so that indirect control over the shielding part is achieved, the driving device can be flexibly adjusted according to the use scene, the device adapts to the trepanning conditions of different refrigerator door bodies, adaptability is good, and the overall structure is simple.

The utility model discloses an intelligent key with a waterproof soft key structure, which comprises an intelligent key shell and a top shell, the top shell is arranged at the top end of the intelligent key shell, a first key is arranged at the front end of the intelligent key shell, a second key is arranged at the bottom end of the first key, and a third key is arranged at the bottom end of the second key. A protection structure is arranged outside the intelligent key shell and comprises a protection shell, a fixing groove, a first reserved groove and a fixing shaft, and the first reserved groove is formed in one side of the bottom end of the front end of the intelligent key shell. According to the intelligent key with the waterproof soft key structure, by arranging the protective shell and other parts, when the intelligent key is not used, the protective shell can be driven to rotate due to the fact that the fixing groove is connected to the outer portion of the fixing shaft in a sleeving mode and can rotate, and therefore the protective shell can be overturned upwards to cover the shell of the intelligent key, and the intelligent key is more suitable for use; the problem that no anti-abrasion and anti-falling protection exists outside is solved.

The present application relates to the technical field of water gate cleaning, and particularly relates to a gate slot underwater cleaning device and a use method. The gate slot underwater cleaning device comprises a frame, the frame comprises a bottom plate and vertical supports arranged at four corners of the bottom plate; one climbing structure is arranged on each vertical support, each climbing structure is provided with a climbing frame, the climbing frame and the vertical support are fixedly connected through a connecting rod, the climbing frame is suitable for being electromagnetically attracted to the inner wall of the gate slot; a horizontal sensor is arranged on the bottom plate; a controller is in communication connection with the horizontal sensor and the climbing frame; in a water entry state, the horizontal sensor senses the levelness of the bottom plate and transmits the levelness to the controller in real time, the controller controls the climbing frame to move up and down along the gate slot, so that the bottom plate is kept in a horizontal state. The present application solves the problem that the automatic cleaning device is affected by multiple factors such as water flow after entering the water, and the automatic cleaning device is inclined when moving along the gate slot, thereby affecting the dirt cleaning effect.

The utility model relates to a compact waterproof scram button, which comprises a contact component (6) arranged in a shell (3), a mushroom head (1) movably arranged at the head of the shell (3), the mushroom head (1) drives a trigger component (13) to be contacted with or separated from the contact component (6), a ball positioning structure is arranged between the trigger component (13) and the inner wall of the shell (3), and the mushroom head (1) is in driving connection with the trigger component (13). A contact module is arranged on the upper portion of a base (6.1) of the contact component (6), a waterproof plug (6.6) is embedded in the lower portion of the base (6.1), and a wire harness (14) connected with the contact module penetrates into the waterproof plug (6.6). According to the utility model, the tail part is connected by using the wire harness, so that the waterproof performance is ensured, and the safety and the reliability of the device in use are improved due to a certain idle stroke when the device is pressed down.

The utility model belongs to the field of water conservancy project equipment, particularly relates to a river gate for a water conservancy project, and aims to solve the problems that a lot of sundries are accumulated at a gate opening provided with a gate, the gate opening is easy to block, and the sundries at the gate opening are inconvenient to clean, so that water flow at the gate opening is inconvenient to discharge. The device comprises gateways, a top frame, a gate plate, limiting plates, a cleaning box and a connecting plate, one sides of the four limiting plates are fixedly connected with the inner walls of the two sides of the same gateway respectively, the gate plate is located among the four limiting plates and movably arranged on the top frame, the two sides of the bottom of the top frame are fixedly connected with the two sides of the top of the same gateway respectively, and the connecting plate is fixedly connected with the gate plate. The gate plate is convenient to open and close, so that a river channel can realize water storage and waterproof functions of water flow, water flow circulation at the gate opening is also facilitated, and meanwhile, when the river channel is drained, sundries at the gate opening can be cleaned, the gate opening is guaranteed to be smooth, and then water flow circulation of the river channel is guaranteed.

The present invention discloses a wheel hub for electric vehicles, comprising a steel ring, a circular hole matching the automobile suspension is provided at the axis position of the steel ring, a plurality of fan-shaped grooves are provided on the steel ring, and the plurality of fan-shaped grooves are arranged in a ring shape, a sound-absorbing cotton pad is fixedly installed on the top and bottom of the fan-shaped groove, a fan-shaped steel plate is fixedly connected to the side where the two layers of the sound-absorbing cotton pads are close to each other, a waterproof baffle is fixedly installed on the front and rear sides of the sound-absorbing cotton pad, the fan-shaped steel plates on both sides are fixedly connected to each other through a shock-absorbing spring, a plurality of connecting rods are provided on the side where the fan-shaped steel plates are close to the sound-absorbing cotton pad, the other end of the connecting rods penetrates the sound-absorbing cotton pad and is fixedly connected to the steel ring, and a hydraulic rod is inserted in the shock-absorbing spring. The present invention has the advantages of being beautiful, having good heat dissipation performance, being able to reduce noise, and having a certain shock-absorbing function.

The utility model discloses a waterproof slanting light anti -dazzle wall washer lamp belongs to wall washer lamp technical field, include: wall washer lamp body, the inside wall of wall washer lamp body is seted up and inserts the slot, and the inner chamber of wall washer lamp body is provided with circuit mainboard, and the side of circuit mainboard is seted up with a plurality of location recess, and the location recess is welded with the light source circuit board, and the upper portion of light source circuit board is installed with wall washer light source, integral type horizontal anti -dazzle grid, the surface is provided with a plurality of groups equidistance arrangement horizontal anti -dazzle stripe, and each group horizontal anti -dazzle stripe contains a plurality of horizontal anti -dazzle stripes, and is seted up in the insert slot, integral type vertical anti -dazzle grid, the surface is provided with a plurality of groups equidistance arrangement vertical anti -dazzle stripe, and each group vertical anti -dazzle stripe contains a plurality of vertical anti -dazzle stripes, also seted up in the insert slot, two waterproof silica gel rings, this wall washer lamp can select the anti -dazzle direction, and can realize the different light slanting degree through the inclination of the location recess on the circuit mainboard, and is more flexible.

The invention provides a moisture absorption paper tip set for an apical operation. Comprising a first moisture absorption paper tip set suitable for conventional tooth positions, a second moisture absorption paper tip set suitable for tooth positions with fused root canals and thick root canals and a first maxillary premolar with isthmus. The moisture absorption paper tip group III is suitable for upper jaw first molars with isthmus on two mesial cheek roots; the moisture absorption paper tip group IV is suitable for lower jaw second molars with C-shaped root canals; the first moisture absorption paper tip set, the second moisture absorption paper tip set, the third moisture absorption paper tip set and the fourth moisture absorption paper tip set each comprise a clamping part and a water absorption part, and the water absorption part of the first moisture absorption paper tip set is in a cylinder shape with the diameter being 0.6 mm. The water absorption part of the moisture absorption paper tip group II is a cylinder with the diameter of 0.8 mm; the water absorption part of the moisture absorption paper tip group III is a column with a barbell-shaped section; the width of the barbell-shaped section is 1.7 mm, the thicknesses of the two ends are 0.6 mm, and the thickness of the middle is 0.5 mm; a water absorption part of the moisture absorption paper tip group IV is a column with a fusiform section; the width of the fusiform section is 1.7 mm, the thickness of the middle of the fusiform section is 0.6 mm, and the two ends of the fusiform section are sharp.

This utility model discloses a prefabricated plug-in termination device for tunnel emergency telephone cables in the field of cable termination technology. It includes a housing and a male connector. One end of the housing has a male connector, which is threaded to the housing. One end of the male connector has a conductive head, and multiple conductive heads are provided. One end of the male connector has a female connector, and one side of the female connector has a conductive hole. The conductive head and conductive hole are fixed by insertion. A fixing sleeve is movably connected to the surface of the female connector, and the fixing sleeve is threaded to the male connector. Through the male connector, conductive head, female connector, conductive hole, and fixing sleeve, rapid cable connection is achieved. In use, simply insert the conductive head of the male connector into the corresponding conductive hole of the female connector, and then rotate the fixing sleeve to fix it to the thread on the surface of the male connector to complete the connection. The operation is simple and quick, effectively improving work efficiency.

The present invention relates to the technical field of underground garage waterproofing, and proposes an underground garage waterproofing drainage device, including a column, two columns, the two columns are arranged oppositely, the columns are provided with strip-shaped card slots, the strip-shaped card slots of the two columns are opposite, the bottom of the strip-shaped card slots has a first sealing surface, a water retaining plate is located between the two columns, the left and right ends of the water retaining plate are respectively used to be clamped in the two strip-shaped card slots, the water retaining plate is arc-shaped, the water retaining plate is a flexible plate, the left and right ends of the water retaining plate are provided with a second sealing surface, and the second sealing surface is used to abut against the first sealing surface. Through the above technical scheme, the problem of long installation time and poor sealing of the water retaining plate in the prior art is solved.

The utility model discloses a bone conduction Bluetooth earphone with a positioning and searching function, which comprises a neck hanger and ear hangers respectively arranged on two sides of the neck hanger, and the neck hanger and the ear hangers are of hollow structures and are used for wiring connection of internal components; the ear hook comprises a loudspeaker assembly located at the tail end of the ear hook and a main board bin or a battery bin, a main circuit board connected with a battery in the battery bin on the other side is arranged in the main board bin, and a Find My chip with a positioning and searching function and peripheral elements of the Find My chip are further arranged in the battery bin or the main board bin. According to the utility model, under the condition that the product performance and the appearance aesthetic feeling are not obviously reduced, the internal space of the earphone is fully utilized, and the Find My function of positioning and retrieving the earphone body is realized on the bone conduction earphone.

The present invention discloses a tail structure of a bionic crocodile amphibious robot, comprising a tail body, a support frame and a rope drive device; a plurality of groups of support frames are arranged one by one on the tail body; each group of support frames comprises two support members, and the two support members are respectively installed on both sides of the tail body; the tail body is installed with a rope drive device, one rope drive device drives all the support frames to swing, and the other rope drive device drives the support frames of the front half of the tail body to swing, and the two rope drive devices are used to drive the tail body to swing in opposite directions. After adopting the tail structure of the bionic crocodile amphibious robot, the two rope drive devices cooperate with each other to drive the tail body to form an S-shaped bending swing, and thus reciprocate, alternately relax and tighten, to achieve the simulation of the swing of a real crocodile, with the advantages of simple and compact structure and few drive controllers. The structure can also be applied to other amphibian bionic robots and has broad application prospects.

The utility model relates to the technical field of experimental devices, in particular to a novel soil corrosion experimental device which comprises a box body, a spray generation assembly and an ultraviolet generation assembly are arranged at the top end of the box body, a temperature and humidity detection device is fixed on one side of the box body, and a temperature and humidity monitoring device is arranged on the inner side wall of the box body. Sliding blocks with groove bodies in the middles are fixed to the two sides of the box body correspondingly, containers are movably arranged in the middles of the sliding blocks on the two sides, round hole grooves are formed in one sides of the containers, waterproof plugs are fixed in the round hole grooves, the waterproof plugs can be fixed firstly, and in the moving process, the cables move in ventilation grooves, so that the cables can be fixed conveniently. The temperature and humidity monitoring device and a series of electrical structures are arranged in the device, so that the real electrified soil environment can be simulated by combining real soil in a use attempt environment with a circuit system, the temperature and the humidity are adjusted according to real-time soil parameters, and the simulation accuracy is improved.

The utility model discloses an uvioresistant strengthened type woven cloth relates to woven cloth technical field, including water absorption rope, open pore, fixed rope, the inside of water absorption rope is provided with open pore, and the inside of open pore is fixedly connected with fixed rope, the water absorption rope is provided with a plurality of, and the water absorption rope is interwoven with one another to construct the cloth block structure, and the fixed rope is connected with the fixed rope. A plurality of water absorption ropes are arranged on the cloth block structure, air holes are formed among the plurality of water absorption ropes, the cloth block structure is provided with fixing ropes, the fixing ropes are interwoven with the water absorption ropes, the plurality of fixing ropes are distributed in a net-shaped structure, reinforcing structures for reinforcing the cloth are arranged at the bottoms of the water absorption ropes, and the cloth block structure is arranged. The breathable holes formed among the water absorption ropes effectively improve the breathability of the cloth, when the cloth encounters water, the water absorption ropes expand due to water absorption, then connection between the cloth and the water absorption ropes is tighter, the expanded water absorption ropes are filled with the breathable holes, an effective waterproof barrier is formed, and therefore the waterproof function of the cloth is achieved.

The present invention belongs to the technical field of hydrogen fuel automobile parts and components. A water-spinning trough (9) is arranged at the joint of the impeller root (16) and the impeller body (17) of the impeller (7) of the fuel cell hydrogen circulation pump sealing and drainage structure, and a bell mouth (10) is arranged at the water-spinning trough (9) facing the pump body (1). The piston ring (12) in the mounting groove (18) of the impeller root (16) fits the inner wall of the sealing ring cavity (19) of the pump body (1), and a drainage port (15) is arranged at the cover plate (2) near the bottom (20) of the air cavity. The fuel cell hydrogen circulation pump sealing and drainage structure of the present invention can block water from entering the bearing and the motor during the operation of the hydrogen circulation pump, thereby preventing the bearing and the motor from rusting and being damaged. At the same time, the blocked water can be discharged from the hydrogen circulation pump, thereby preventing the hydrogen circulation pump from freezing due to water accumulation at low temperature, reliably protecting the circulation pump, and improving the service life and working reliability.

The utility model relates to the technical field of outer wall lamps, and discloses an efficient heat dissipation outer wall lamp which comprises a bottom shell, an LED power source is arranged on the front side of the bottom of the bottom shell, a support rubber mat is connected to the top of the LED power source in a clamped mode, a support is attached to the top of the support rubber mat, an LED light source is fixedly connected to the front side of the LED power source, and the LED light source is fixedly connected to the bottom of the bottom shell. A waterproof ring is attached to the position, close to the edge, of the top of the bottom shell, a surface cover is attached to the top of the waterproof ring, a mounting box is arranged on the top of the surface cover, and screws are in threaded connection with the positions, close to the edge, of the top of the mounting box. According to the LED external wall lamp, the reflecting plate is pressed on the top of the inner side of the bottom shell, then the waterproof ring is matched to be attached to the surface cover, and therefore the external wall lamp is small in size and light, a certain distance is arranged between the heat dissipation fins and the installation surface, limited air convection of the product can be achieved, and heat generated by the LED light source can be dissipated out.

The utility model relates to a waterproof fixed window, which belongs to the field of doors and windows and comprises a window frame, a support device, a window sash, a gauze sash, a gauze element, glass, a pressing line and a sealing rubber strip. The supporting device comprises a first supporting piece, a second supporting piece, a first connecting piece and a second connecting piece, one side of the first supporting piece is connected with the first side of the first connecting piece in a clamped mode, the second side of the first connecting piece is connected with the first side of the second supporting piece in a clamped mode, and the second side of the second connecting piece is connected with the first end of the second supporting piece; the window frame comprises an inner window frame body and an outer window frame body which are arranged at the two ends of the first supporting piece correspondingly, and the inner window frame body and the outer window frame body are both connected with the first supporting piece in a clamped mode. The sealing rubber strip is arranged to ensure that liquid cannot flow into a room from a window gap, the window frame and the window sash are matched with the supporting device to enable the whole structure to be tighter, and the liquid is further ensured not to flow into the room from the gap.

The invention relates to the technical field of underground garage waterproofing, and provides an underground garage waterproof drainage device which comprises two opposite columns, strip-shaped clamping grooves are formed in the columns, the strip-shaped clamping grooves of the two columns are opposite, first sealing faces are arranged at the bottoms of the strip-shaped clamping grooves, a water baffle is located between the two columns, and the water baffle is located between the two columns. The left end and the right end of the water baffle are used for being clamped in the two strip-shaped clamping grooves correspondingly, the water baffle is in an arc shape and is a flexible plate, the left end and the right end of the water baffle are each provided with a second sealing face, and the second sealing faces are used for being connected with the first sealing faces in an abutting mode. By means of the technical scheme, the problems that in the prior art, a water baffle is long in installation time and poor in sealing performance are solved.

A button type waterproof power supply connector with a buckle is provided with a housing assembly, the housing assembly comprises a housing, the top of the housing is provided with a button groove, and the rear part of the housing is provided with a threaded section; the key is arranged in the key groove, an elastic piece is fixed at the bottom of the key, and an upward force is applied all the time; the inner core conductive assembly is fixed between the shell assembly and the wire clamp assembly and is used for circuit communication; the rear end of the wire clamp assembly is provided with an elastic clamping piece and is provided with an insertion port for clamping a wire; a waterproof ring is fixed in the elastic clamping piece; an insertion opening is formed in the middle of the threaded sleeve, and the threaded sleeve is in threaded connection with the rear portion of the shell assembly; the fixing groove is arranged at the rear side of the key groove of the shell assembly and extends and is communicated with the key groove; and the limiting piece is fixed in the fixing groove, so that the front end of the limiting piece is pressed against the tail part of the key to limit the key, a waterproof glue pouring block is not required to be arranged at the front end of the traditional waterproof connector, the assembly is simple, the structure is firm, and the key is not easy to fall off.

The utility model provides a waterproof gift box structure capable of being rotatably displayed, which comprises an outer box, a rotation driving structure and a circular rotating seat, an inner cavity of the outer box is divided into an upper cavity and a lower cavity through a partition plate, the rotary driving structure is correspondingly installed in the upper cavity, and the rotary base is correspondingly installed in the lower cavity. Cover plates are arranged on two opposite sides of the outer box; decorative grooves are formed in the two opposite side faces of the rotating base, and product embedding grooves are formed in the middles of the decorative grooves in a penetrating mode. Transparent sealing covers corresponding to the decoration grooves are hinged to the lower portions of the two opposite sides of the rotating base. The inner groove wall of the decorative groove is coated with a decorative pattern layer; the rotating driving structure comprises a rotating driving motor and a driving gear, the upper portion of the rotating base penetrates through the partition plate through a rotating shaft A and extends into the partition plate, the part, located in the partition plate, of the rotating shaft A is coaxially connected with a driven gear, and the driving gear is meshed with the driven gear. And by adjusting the structure of the rotating seat, the visual experience feeling during display is improved, and waterproof and dustproof functions are achieved.

The utility model relates to a waterproof structure of a new-old connecting structure in a reverse building method. The waterproof structure comprises an underground diaphragm wall, a bottom plate connected with the underground diaphragm wall and a water stop belt arranged between the underground diaphragm wall and the bottom plate and used for preventing water from seeping inwards. The water stop belt comprises a long steel plate fixed to the underground diaphragm wall in advance and a water stop steel plate fixed to the long steel plate in a welded mode. The long steel plate is located at the joint of the underground diaphragm wall and the bottom plate. The water stop steel plate is located on the side, close to the bottom plate, of the long steel plate and embedded in the bottom plate. The waterstop steel plate and the long steel plate are arranged between the underground diaphragm wall and the bottom plate to form a waterstop, water can be effectively prevented from seeping into the basement, and the waterproof function of the basement is achieved.

The utility model discloses a waterproof shoe stretcher structure of a drying machine. The waterproof shoe stretcher structure comprises a shoe stretcher body. A supporting plate is arranged at the top of the shoe stretcher body; the lower part of the supporting plate is integrally connected with a tubular connecting part; a plurality of air outlets are formed in the connecting part and located in the inner side of the lower portion of the edge of the supporting plate. According to the shoe dryer, the air outlet is formed in the inner side of the lower portion of the edge of the supporting plate, when a large amount of water exists in shoes needing to be dried, water drops fall to the surface of the supporting plate and flow along the supporting plate, the water drops are guided by the supporting plate to the circumferential face of the connecting part and the positions outside the circumferential face to achieve free falling, and the water drops cannot flow into the air outlet; therefore, water drops can be prevented from entering the drying machine, the waterproof function of the shoe stretcher body is achieved, and the drying machine is protected.