68results about How to "Play the role of waterproof and dustproof" patented technology

The invention relates to a negative pressure fixed volumetric liquid amount dynamic measuring device which comprises a tray, a sucking disc, a negative pressure pipeline and a weighing sensor. The sucking disc is installed on the upper portion of the tray, an air faucet which is fixedly installed on the center of the sucking disc is connected with the negative pressure pipeline, and the tray is fixed to the upper portion of the weighing sensor. The negative pressure fixed volumetric liquid amount dynamic measuring device is scientific and reasonable in structural design, rigid fixation of a liquid storage bottle is achieved through negative pressure adsorption, liquid amount fluctuation interference is avoided, liquid amount dynamic accurate measurement is achieved, and the negative pressure fixed volumetric liquid amount dynamic measuring device is easy and convenient to operate and has the advantages of being wide in application range due to the fact that one measuring device can be used for various liquid storage bottles.

The invention relates to electronic equipment which comprises a shell, a functional module and a driving mechanism, the shell comprises a main body and a dustproof cover, the main body is provided with a through hole, and the dustproof cover is rotatably connected to the main body and movably covers the through hole. The driving mechanism is arranged in the shell; the functional module is connected to the driving mechanism. And the functional module is driven by the driving mechanism to extend out of the through hole and push the dustproof cover, so that the functional module extends out of the shell. The electronic equipment, a telescopic structure of the functional module is arranged; according to the electronic equipment, the situation that holes used for containing or exposing the functional modules are formed in the front face or / and the back face of the shell of the electronic equipment can be avoided, the shell can keep good appearance integrity, meanwhile, more installation space can be easily vacated for the display panel, and therefore the electronic equipment has a higher screen-to-body ratio on the premise that the appearance size is not changed.

The invention discloses a support and protection device for an outdoor LED display screen, which comprises a protection frame, a connecting block, a column, a snap-in piece, a protection block, a plug-in and a front protective cover, and a display screen is arranged inside the protection frame The front surface of the protective frame is provided with a fixed block and a threading hole, the connecting block and the connecting shaft are connected to each other, the lower end of the column is connected with the lifting column through a connecting sleeve, and the engaging piece is arranged on the protective On the back of the frame, the protective block is installed above the threading hole, the plug-in is connected to the connecting shaft through the engaging piece, the front protective cover is reserved with a mounting hole, and the connecting block is provided with a plug-in hole. The outdoor LED display screen uses a supporting protection device. The protective frame can cooperate with the front protective cover to protect the display screen. The protective frame can be flipped through the connecting shaft and the connecting block. After a period of time, the display surface of the display screen needs to be turned over.

The invention discloses an SD (secure digital) card with a waterproofing function and a manufacturing method of the SD card. The manufacturing method of the SD card includes the steps of S1: preparing to form an SD card body, in a form of a circle of slot, at the tail end; S2: coating a layer of glue in the slot; S3: placing the SD card body into an injection mold, and obtaining a circle of silicon boss at the position of the slot by means of injection molding so as to form the SD card with the waterproof function. The SD card manufacturing method has the advantages that the SD card with the waterproofing function is formed by shaping a circle of silicon boss, integrated with the SD card body, at the tail end of the SD card body, interference fit is formed between the silicon boss and an SD slot when the SD card is inserted into the SD slot, the waterproof function and a dustproofing function are realized, a chip of the SD card is protected, and safety of the SD card is enhanced.

The invention relates to a rotatable landscape streetlamp which comprises a base, a supporting column, an illuminating mechanism and a solar mechanism. The supporting column is fixedly arranged at thetop of the base, and the solar mechanism is arranged at the top of the supporting column. The illuminating mechanism comprises a connecting plate and a plurality of lamp frames, the supporting columnis sleeved with the connecting plate, and the connecting plate is in sliding fit with the supporting column. One end of each lamp frame is in sliding fit with the top of the connecting plate, and theother ends of the lamp frames stretch out of the connecting plate and are connected with lampholders, and LED lamps are mounted on the lampholders. A controller, a storage battery and a lifting unitare arranged in the base, and the output end of the lifting unit stretches out of the base and is fixedly connected with the bottom of the connecting plate. The lifting unit, the solar mechanism and the LED lamps are electrically connected with the controller, and the solar mechanism is electrically connected with the storage battery. The rotatable landscape streetlamp has the beneficial effects that by means of sliding fit of the lamp frames and the connecting plate, the positions of the LED lamps can be adjusted according to the needs of mounting environments, and therefore the irradiation range of the LED lamps can be expanded, and dead illuminating points are eliminated.

The invention relates to a lifting type landscape streetlamp. The lifting type landscape streetlamp comprises a base, a support post, a lighting mechanism and a solar mechanism, wherein the support post is fixedly arranged on the top of the base, and the solar mechanism is arranged on the top of the support post; the lighting mechanism comprises a connecting plate and a plurality of lamp holders,the support post is sleeved with the connecting plate, the connecting plate is in sliding fit with the support post, one end of each lamp holder is in sliding fit with the top of the connecting plate,the other end of each lamp holder extends out of the connecting plate and is connected with a lamp base, and an LED lamp is installed on the lamp base; and a controller, a storage battery and a lifting unit are arranged in the base, the output end of the lifting unit extends out of the base and is fixedly connected with the bottom of the connecting plate, the lifting unit, the solar mechanism andthe LED lamp are electrically connected with the controller, and the solar mechanism is electrically connected with the storage battery. The lifting type landscape streetlamp has the beneficial effects that through sliding fit of the lamp holders and the connecting plate, the position of the LED lamp can be adjusted according to the requirement of the mounting environment, so that the lighting range of the LED lamp is extended, and lighting dead corners are eliminated.

The invention discloses a mobile phone data line storage structure, which belongs to the technical field of data lines. The mobile phone data line storage structure comprises a storage box, a ratchetand pawl mechanism and a data line body, wherein the ratchet and pawl mechanism is arranged in the storage box; the ratchet and pawl mechanism is in winding fit with the data line body; a deflector rod for separating or meshing a transmission structure of the ratchet and pawl mechanism is arranged outside the storage box; the USB interface of the data line body is fixed on one side of the storagebox; and the mobile phone interface of the data line body penetrates out of the other side of the storage box. The mobile phone data line storage structure has the beneficial effects that the mobile phone data line storage structure is simple in overall structure and low in cost, unfolding positioning and winding storage of the mobile phone data line are achieved, operation is convenient and labor-saving, the occupied space is small when the mobile phone data line storage structure is used, the mobile phone data line can be comprehensively protected when the mobile phone data line storage structure is not used, carrying is convenient, and the service life of the mobile phone data line is prolonged.

The invention discloses a horizontal motor, and belongs to the technical field of a power device. The horizontal motor comprises a shell, a front end cover, a rear end cover, a stator, a rotor and a motor shaft, wherein the motor shaft is horizontally arranged, a shaft hole is formed in the front end cover, an annular boss is arranged on a front end surface of the front end cover and forwards protrudes in a way encircling the shaft hole, a shockproof ring sleeves the annular boss, a waterproof ring sleeves a front end of the motor shaft and is accommodated in the shaft hole, a front end surface of the waterproof ring exceeds a front end surface of the annular boss, a side wall of the waterproof ring along a circumferential direction is in an inclination shape, the external diameter of theside wall is gradually increased from front end to rear end, a gap is formed in the bottom of a front end of the annular boss, and a water release hole is formed in the bottom of a front end of the shockproof ring and is corresponding to the gap. In the horizontal motor, the shockproof ring substitutes the front end cover and is in contact with a fixed boss, the shock caused by the motor during working can be effectively relieved, and the shockproof function is achieved; and when external water enters the annular boss through the shaft hole, the water flows downwards under a blocking effect ofthe waterproof ring and flows out of the annular boss via the gap and the water release hole, and the waterproof function is achieved.

The invention relates to a centering attached mechanism for a rack and pinion steering gear and belongs to the technical field of automobile design and manufacturing. As non-metal material thread sliding sleeve structures are introduced into the centering attached mechanism for the rack and pinion steering gear and holes are formed in the side surfaces of attached parts, the corresponding side holes are in a coaxial state when the position of a rack is centered, the coaxial state is detected by using a cylindrical pin, and the position of the rack is fixed by using the cylindrical pin in the steering gear assembling process. The centering attached mechanism for the rack and pinion steering gear can guarantee that the rack is enabled to be in a designed middle position by using the corresponding cylindrical pin during assembling the steering gear on a final assembly line or during later maintenance and the rack cannot slide from left to right.

The invention relates to the field of bee feeding tools, in particular to a bee feeding device. The feeding device has the advantages that the structure is simple, attendance is not needed, a sugar solution can be automatically replenished by an automatic solution replenishing device, a beehive does not need to be opened when the sugar solution is added every day, the sugar solution can be directly added to a sugar solution barrel, the working efficiency is greatly improved, the labor intensity of bee culturing is reduced, the bee culturing cost is reduced, the dust proofing effect can be achieved by a wind sheltering hood, the hygiene of the sugar solution is ensured, and the feeding environment of bees is ensured.

The invention discloses an electric shock automatic disconnection socket with an alarm. The socket comprises a a main body box. Induction boxes are fixedly connected to the right end surface of the main body box in longitudinal symmetry. A pull ring cavity with an upward opening is formed in the upper side induction box. A reset pull ring is connected into the pull ring cavity in a sliding fit mode. A sliding block cavity which is provided with an inward opening and extends leftwards into the main body box is formed in the induction box. The inner side of the sliding block cavity is communicated with a sliding plate cavity which is positioned in the main body box and is opened rightwards. Whether a user gets an electric shock during plug-in and plug-out of the plug can be sensed at any time through the conductive plate. Meanwhile, the current-conducting plate can play a certain role in preventing water and dust when not in use. When an electric shock occurs, the current-conducting plate enables current to flow into the electromagnet to start the electromagnet and disconnect the upper side contact from the plug, the motor is started, the plug is pushed out of the plug cavity throughthe sliding plate to be powered off thoroughly, and meanwhile an alarm is given out to remind people around to pay attention.

The invention discloses an efficient protective LED lamp assembly. The lamp assembly comprises an outer protective guard, a protective shell, a supporting frame and a lamp holder, wherein the supporting frame comprises a base and a mounting disc; the mounting disc is arranged at the upper end of the base; a supporting plate is arranged at the upper end of the mounting disc; the protective shell isrotatably connected with the supporting plate; the lamp holder is mounted in the middle of the protective shell; and the outer protective guard is arranged outside the protective shell and connectedwith the mounting disc. The protective shell is arranged outside the lamp holder, the outer protective guard is arranged outside the protective shell, and dual protection is adopted, so that the protective grade is improved, destructive force can be prevented from making direct contact with the lamp holder when a lamp is impacted by external force, the use safety is improved, and the service lifeis prolonged; and through the arrangement of the outer protective guard and the protective shell, the attractiveness of the lamp can be improved, the application environment range is expanded, and theapplication field of the lamp is expanded.

The invention relates to a door for a refrigerating and freezing device and the refrigerating and freezing device. The door comprises a panel serving as the front portion of the door, a display control assembly used for providing the display touch control function, a door foaming assembly serving as the rear portion of the door, and a heat dissipation waterproof cover arranged on the top of the door foaming assembly. A containing cavity used for containing the display control assembly and an air exhaust flue upwards extending from the containing cavity to the top of the door foaming assembly are defined between the door foaming assembly and the panel. The top of the door foaming assembly is provided with a water collection tank and an air outlet communicating with the air outlet exhaust flue, and the water collection tank is open upwards. The heat dissipation waterproof cover covers the water outlet in the vertical direction and is configured to enable the air outlet to communicate with the water collection tank so that heat in the containing cavity can sequentially pass through the air exhaust flue, the air outlet and the water collection tank and be dissipated to the environment space. The refrigerating and freezing device comprises a refrigerator body and the door. The door is directly or indirectly connected to the refrigerator body so as to open and / or close at least part of the storage space of the refrigerator body.

The invention discloses a waterproof and dustproof power socket panel, comprising a socket panel box body and jacks formed in the socket panel box body, and a two-hole jack area, a three-hole jack area and a USB jack area are arranged on the socket panel box body; a temperature sensing alarm is arranged on the socket panel box body and can give an alarm when a temperature of the power socket panelis higher than the normal range; waterproof and dustproof covers are arranged on a two-hole jack, a three-hole jack and a USB jack respectively, a first edge of each waterproof and dustproof cover ishinged with the socket panel box body, a buckle and a raised strip are arranged on a second edge of each waterproof and dustproof cover, and a clamping slot is formed in the socket panel box body; and a photoinduced energy storage luminous powder layer is coated on the upper surface of each waterproof and dustproof cover. The waterproof and dustproof power socket panel effectively improves waterproof and dustproof effects of the socket panel, use safety performance of the socket panel is improved, and various types of jacks can be conveniently used at the same time.

A 5G communication base station disclosed by the present invention comprises a device base, a stand column is welded to the circle center position of the top surface of the device base, a protective cover is nested at the top of the stand column, a buffer pad is fixedly connected to the bottom surface of the protective cover, and a rotary mounting seat is movably connected to the bottom surface of the device base. A driving motor is connected to the side, close to the stand column, of the top face of the device base through bolts, and a power output shaft of the driving motor is in power connection with a driving mechanism. The protective cover and the buffer pad can play a waterproof and dustproof role, the safety of equipment in the protective cover is improved, the angle of the device base can be freely adjusted by rotating the mounting seat, the device is suitable for different mounting scenes, the applicability is improved, the 5G communication base station equipment is convenient to mount and dismount, the maintenance cost of a 5G communication base station is reduced, and the maintenance cost of the 5G communication base station is reduced. The angle of the fixing frame is adjusted, the 5G communication base station equipment can be conveniently adjusted to a proper angle, and the signal transmission quality is improved.

The invention discloses a ultrasonic wave sensor. The ultrasonic wave sensor comprises a sensor shell, a sensor support is arranged in the sensor shell, the sensor support comprises a mounting side face and a fixed side face, the mounting side face is in contact with the sensor shell, an upper ultrasonic wave sensor cavity and a lower ultrasonic wave sensor cavity are formed longitudinally on thefixed side face, probe ports are formed in the upper and lower ultrasonic wave sensor cavities, the upper and lower ultrasonic wave sensor cavities are used for mounting ultrasonic wave sensor bodies,the angle between a detection face of the ultrasonic wave sensor body mounted in the upper ultrasonic wave sensor cavity and the ground is 90 degrees, and the angle between the detection face of theultrasonic wave sensor body mounted in the lower ultrasonic wave sensor cavity and the ground is 45 degrees. The ultrasonic wave sensor is used on trucks, through combination of the multiple probes inspaces, the two sets of ultrasonic wave probes are arranged longitudinally to form a straight downward structure, thus full coverage of the detection range is achieved, and the accidents occurring when the trucks back up can be effectively reduced.

The invention discloses a novel waterproof rocker switch and aims at providing a novel waterproof rocker switch which is waterproof, dustproof and long in service life and does not influence aesthetics. The technical scheme for solving the technical problem is that the novel waterproof rocker switch comprises a housing and a button, wherein a stationary contact part and a movable contact part are arranged in the housing, a swing arm extends from the lower end of the button, and gear control parts matched with the stationary contact part and the movable contact part are arranged on the swing arm. The novel waterproof rocker switch is characterized in that the housing consists of an upper housing and a lower housing, the stationary contact part and the movable contact part are arranged in the lower housing, the button is in shaft connection with the upper end of the upper housing, clamping holes are formed in two sides of the lower housing, a sealing groove is formed in the inner side wall, a sealing part is arranged in the sealing groove, fasteners are arranged on two sides of the upper housing, a table facet extruding the sealing part is arranged at the bottom of the upper housing, a sealing ring is arranged at the center of the sealing part, and the sealing part is matched with the swing arm through the sealing ring in a sealing mode.

The present invention discloses a waterproof and dustproof quick plug and a working method thereof. The waterproof and dustproof quick plug comprises a female joint and a male joint. The female joint is arranged on a quick replacement tray. The male joint is arranged on a quick replacement chuck. The female joint is provided with a copper contact head. The male joint is provided with a probe matched with the copper contact head. The copper contact head and the probe are respectively connected with a control line and are sealed by silica gel. Due to the arrangement of the quick replacement tray and the quick replacement chuck, the automatic plugging of the male joint and the female joint is realized. The quick replacement chuck is provided with a nozzle for cleaning the male joint and the female joint. Due to the arrangement of the quick replacement tray and the quick replacement chuck, the automatic plugging of the male joint and the female joint is realized. Meanwhile, the quick replacement chuck is provided with the nozzle for cleaning purpose. Therefore, the functions of automatic plugging, automatic switching-on and automatic switching-off are realized. Residual water stains on the surface of a mechanism are prevented from flowing into the plug, so that the plug is dustproof and waterproof in the separated state.

The invention discloses a bluetooth stethoscope. The bluetooth stethoscope is provided with two paths of output structures, one path adopts a wireless output structure, a first output terminal of a mainboard is connected with a bluetooth module, the bluetooth module is connected with an antenna through an output connection line, the antenna is mounted on an antenna pedestal, and the antenna pedestal is fixedly mounted on the outer side of a shell; and the other path adopts a wired output structure, a second output terminal of the mainboard is connected with a loudspeaker, the loudspeaker is connected with a built-in voice conducting pipe, a connecting pipe is mounted on the shell, one end of a connector is inserted in and penetrates through the connecting pipe to be connected with the built-in voice conducting pipe, and the other end of the connector is connected with an outside voice conducting hose. The bluetooth stethoscope disclosed by the invention has the advantages of being highin adaptability and high in sensitivity.

The invention discloses a road facility utilizing piezoelectric power generation based detachable oscillating deceleration warning device. The device is characterized in that the oscillating deceleration warning device is set as an assembled modular structure, to be specific, a base plate is fixedly mounted on the road surface, the oscillation modules are arranged in ranks on the base plate, the oscillation module of adjacent rows are separated from the oscillation module of adjacent lists, each oscillation module is independently mounted on the base plate by base plate screws to form the detachable oscillation deceleration warning device; further, a piezoelectric power generation sheet is set in the oscillation module to form a power generation oscillation module, the piezoelectric power generation sheet deformation is driven by the power generation oscillation module of compression deformation, and thus power generation is generated. The road facility based the detachable oscillation deceleration warning device makes full use of idle energy of road facilities to produce relatively stable electric power; the road facility can be detached partially or integrally without damaging the original structure of the road surface, thereby bringing convenience to construction and maintenance.

The invention relates to the technical field of circuit board equipment, in particular to a multilayer printing waterproof circuit board which comprises a protection mechanism, the protection mechanism is provided with an installation mechanism and an auxiliary mechanism, the installation mechanism drives the auxiliary mechanism, the protection mechanism is provided with a heat dissipation mechanism, and the heat dissipation mechanism is connected with a contact mechanism. Through the arrangement of the protection mechanism, the sealing and waterproof effects are achieved while the protection effect on the circuit board is achieved; through the arrangement of the mounting mechanism and the auxiliary mechanism, a plurality of circuit boards can be conveniently mounted on the protection mechanism, the internal space of the protection mechanism is reasonably utilized to the greatest extent, the space utilization rate is improved, and the replacement efficiency is improved through the design of convenient disassembly and assembly; and the contact mechanism can be cooled conveniently and quickly through the heat dissipation mechanism, and can be attached to the circuit board conveniently and better through the contact mechanism, so that the temperature of the circuit board can be stabilized in a reasonable range conveniently and quickly.

The invention discloses a wall external cable joint protection device, which comprises a fixed seat, wherein the upper end of the fixed seat is provided with supporting seats for respectively fixing two connecting cables, a tray for supporting the cable joint is arranged between the two supporting seats, the upper end of the fixed seat is sleeved with a protection cover with two opening ends, and the openings at the two ends of the protection cover are provided with shielding curtains for shielding rainwater. According to the invention, two cables which are connected with each other are supported and fixed through supporting seats, so that the tension between the two cables can be reduced, and disengagement can be avoided; a protection cover and a shielding curtains can play a role in sun protection and water prevention, so that the problems that an insulating adhesive tape at the connecting position falls off and water enters are solved, and the reliability of connection of the two cables is improved; and the protection cover can play a role in isolation and protection, so that the cables are prevented from being touched and damaged by foreign objects, and the use safety is improved.

The invention discloses a winch rope releasing mechanism, and belongs to the technical field of electric winches. The winch rope releasing mechanism comprises an installing frame, a winch, a winch motor and a handle. The winch is arranged on the installing frame. The winch motor is arranged on the winch and used for driving the winch. The handle is arranged above the winch and comprises a handle support, a rotary knob, a handle sleeve, a handle pin and an elastic piece. A groove for the handle pin to penetrate is formed in the bottom of the handle support. The upper section part of the handle pin is sleeved with the rotary knob, and a cylindrical pin laterally penetrates the upper section of the handle pin and the rotary knob and connects the upper section of the handle pin and the rotary knob into a whole. The lower section part of the handle pin is sleeved with the handle sleeve, an annular groove containing the elastic piece is formed in the bottom of the handle sleeve in an inward concave manner, and the elastic piece is arranged on the handle pin in a sleeving manner and arranged in the annular groove. The bottom of the handle pin is arranged in a hole in a second-level inner gear in the winch, and the second-level inner gear is engaged with a second-level planetary gear. A winch shaft on the winch is connected with a third-level planetary gear and the second-level planetary gear, the winch shaft can rapidly rotate, and the purpose of rapid rope releasing is achieved.

A mobile power supply for a photovoltaic power supply is disclosed, includes an upper housing and a fixing device, a first photovoltaic plate is arranged inside the upper case, and the left end of theupper housing is connected with a connecting shaft, A magnetic plate is arrange on that inner surface of the upper case, the upper surface of the lower shell is fixed with a second photovoltaic plate, The lower part of the second photovoltaic panel is provided with a power storage device, the lower part of the power storage device is provided with a placing box, the fixing device is located in the inside of the placing box, the left side of the lower shell is provided with a low-voltage charging hole, the low-voltage charging hole and the high-voltage charging hole are provided with a sealingplug, and the right side of the LED lamp is provided with a socket. The mobile power supply for the photovoltaic power supply solves the problem that most of the mobile power supplies of the photovoltaic power supply are inconvenient to carry, and the power storage efficiency of the mobile power supplies of the common photovoltaic power supply is low, and the mobile power supplies of the common photovoltaic power supply do not have the waterproof function.

A waterproof and dustproof device for a powered below-knee prosthesis and a production method thereof. The waterproof and dustproof device comprises a shank coating layer attached with a prosthesis shank, a foot coating layer attached with a prosthesis foot, and an ankle coating layer. The ankle coating layer is matched with an ankle in shape and sleeved outside the shank coating layer and the foot coating layer. The ankle coating layer is fixedly connected with the lower portion of the shank coating layer and the upper portion of the foot coating layer respectively. A through hole is arranged on the shank coating layer. An openable cover-shaped coating layer is disposed on the shank coating layer corresponding to the through hole. A plug which can penetrate through the through hole and be plugged into an opening of the prosthesis shank is disposed on the cover-shaped coating layer. The waterproof and dustproof device is widely applicable to water proofing and dust proofing for various prosthesises.