33results about How to "To achieve rainproof" patented technology

A rainproof fireproof socket comprises an outer shell, an upper sealing layer, a lower layer sealing layer, a conversion layer, an O-shaped ring and a tail accessory. The conversion layer is evenly provided with a plurality of separation springs and separation sleeves in the circumferential direction. A fixing rod is arranged in the outer shell. An upper base seat and a lower base seat are fixed though a nut and a gasket. The front end is provided with a jack assembly, a guide sleeve A, a jack, a sealing sleeve, the O-shaped ring, and the guide sleeve A and the upper base seat. The O-shaped ring is arranged in the groove of the sealing sleeve and is sealed with a locking sleeve. Contact pins A and B and sealant are arranged in the upper base seat and the lower base seat and are fixed through the nut and the gasket. The tail part of the outer shell is provided with the tail accessory. The invention realizes the sealing of the socket under 10 atmospheric pressures, meets the use requirements of preventing rain and fire and sealing and has the advantages of compact structure, reliable connection, good electric property and strong practicality.

The invention discloses a double-layer special transport vehicle for beef cattle. The double-layer special transport vehicle for the beef cattle comprises a gooseneck type semi-trailer and a carriage arranged on the semi-trailer, the carriage is divided into an upper layer and a lower layer through a partition plate, inner guard rails are arranged in every layer of carriage in the longitudinal direction at intervals, guard rail doors and feeding doors are arranged on the inner guard rails, a carriage door is arranged on a side wall of the carriage close to the inner guard rails, exhaust fans and shutters are arranged on two sides of the carriage or the inner guard rails, and a vertical lifting device and an electric telescopic tarpaulin device are respectively arranged at the tail and the top of the carriage. The double-layer special transport vehicle for the beef cattle has the advantages that the beef cattle can be loaded and unloaded anytime anywhere in the transport process, functions of sun shading, rain prevention, heat insulation and ventilation of the carriage are achieved, and not only are economy and convenience in beef cattle transportation achieved, but also the problem of transport stress syndromes which often occur in beef cattle transportation is effectively solved.

The invention discloses a charging pile cable protection device for preventing dragging damage, and relates to the technical field of charging cable protection equipment. The device comprises a sheathassembly arranged on the outer side of a charging pile cable in a sleeving mode; the sheath assembly comprises a plurality of sheath units which are connected in sequence; each sheath unit comprisesa sheath body, fixing rings are arranged at the two ends of each sheath body respectively, a plurality of protruding blocks are arranged on the inner side wall of at least one fixing ring, blind holesare formed in the ends, close to the circle centers of the fixing rings, of the protruding blocks, springs are arranged in the blind holes, fixing columns capable of sliding along the inner side walls of the blind holes are arranged at the ends of the springs, and rubber heads are arranged at the end parts of the fixing columns; and a plurality of fixing holes are formed in the edges of the peripheral sides of the fixing rings. According to the cable protection device composed of the multiple sheath units and a rolling ring assembly, a cable can be conveniently dragged through the rolling ring assembly while rain prevention, sun protection and friction prevention are achieved on the cable.

The invention relates to an electric rainproof device for a drying rack, which is characterized in that clothes airing and shielding travel switches are arranged inside and outside an outer extension rod; both sides of a closed rod are respectively provided with pulleys; both sides of a reel are respectively provided with rope wheels; first and second pulling ropes with opposite winging directions are respectively wound in double grooves of each rope wheel; the two first pulling ropes and the two second pulling ropes respectively have consistent winding directions; for the first and second pulling ropes wound on the same rope wheel, the outside of the first pulling rope firstly bypasses the rope wheel on the same side and then is connected with each movable rod, finally the outer end of the first pulling rope is connected with a fixed rod on the same side, and the outer end of the second pulling rope is connected with the outermost movable rod on the same side; when the electric rainproof device is in use, power of a motor drives each movable rod to move inside and outside by the reel, the rope wheels, the first pulling ropes and the second pulling ropes to close up or unfold a tarpaulin; and when the innermost movable rod is in contact with the clothes airing travel switch or when the outermost movable rod is in contact with the clothes shielding travel switch, the motor respectively stops working. The device has reasonable structure and stable performance.

The invention relates to a packaging box, in particular to an ordnance packaging device, and aims to solve the problems that when an existing packaging box is used, the packaging stability effect is poor, and the function application range is small. According to the technical scheme, the ordnance packaging device comprises a box door and a box body, wherein the box door is arranged on the box body through a locking assembly and a connecting assembly; N storage areas and limiting assemblies are arranged on the inner side of the box door, N is larger than or equal to 2, and a plurality of storage grooves are formed in each storage area; the limiting assemblies are arranged on each storage area; a storage box, a gun barrel clamping piece, a gun body clamping piece, a gun stock clamping piece and a gun base clamping piece are sequentially arranged in the box body from top to bottom, and the gun barrel clamping piece, the gun body clamping piece, the gun stock clamping piece and the gun base clamping piece are used for clamping and fixing a gun barrel, a gun body, a gun stock and a gun base of a gun respectively; and mortise lock clamping pieces are arranged right in front of the gun body clamping piece and the gun stock clamping piece and used for limiting, clamping and fixing the gun.

A green tea sun drying device comprises an airing plate, the airing plate is of a mesh structure, the airing plate is of a multi-section assembly structure, and baffles are vertically arranged on thesurface of the airing plate. A shielding mechanism of a telescopic structure is installed on the surface of the airing plate in a sliding mode, a foldable guide soft plate is arranged in the shieldingmechanism, a displacement mechanism is installed at the bottom of the guide soft plate in a sliding mode, the bottom of the displacement mechanism is connected with a spreading mechanism, and the spreading mechanism is arranged on the top face of the airing plate in parallel. The displacement mechanism is used for driving the spreading mechanism to do reciprocating motion to tidy tea leaves, thespreading mechanism is arranged between the two baffles, and the shielding mechanism is arranged on the outer sides of the baffles. According to the green tea sun drying device, the displacement mechanism can be used for driving the spreading mechanism to do reciprocating motion, so that tea leaves are automatically spread, dispersed and discharged, manual operation is not needed, the manual laboramount is greatly reduced, the tea leaves can be fully aired, and airing is more uniform.

The invention belongs to the technical field of air traffic control radars, and particularly relates to an octave rain-proof adjusting component and an air traffic control radar antenna elevation mechanism employing the same. The adjusting component comprises a bottom support shaft, a middle rotary thread sleeve and a top rainproof sleeve, which are coaxially sleeved one by one, wherein the top rainproof sleeve is in a sleeve structure of which an opening is downward; and the middle rotary thread sleeve can carry out rotary motion along the axis, so that the bottom support shaft and the top rainproof sleeve carry out axially opposite or separate synchronous screw-thread fit motion. Compared with a traditional structure, the component has smaller minimum length and longer jacking stroke when having extremely high rain-proof capability; and the working performance can be significantly improved. Meanwhile, the invention provides the air traffic control radar antenna elevation mechanism employing the adjusting component. The air traffic control radar antenna elevation mechanism structurally comprises a three-point support system comprising two groups of octave rain-proof adjusting components and a group of hinge seats, so that the maintenance frequency of the existing air traffic control radar antenna elevation mechanism is significantly lowered.

The invention discloses a charging gun head fixing device of a charging pile and belongs to the technical field of new energy vehicles. The charging gun head fixing device of the charging pile comprises a charging pile body and further comprises a charging gun head, a charging gun head fixing mechanism, a charging gun head protection mechanism and a cable winding mechanism; a charging gun groove is formed in a shell; the charging gun head protection mechanism comprises a bearing seat, a protective shell and a lifting component; a limiting groove is formed in the bearing seat; a voltage stabilizing part is arranged in the protective shell; the voltage stabilizing part comprises a lower press plates and four mounting cylinders; a propping rod is arranged on each mounting cylinder; and a buffering spring is arranged on each propping rod in a sleeving manner. According to the charging gun head fixing device of the charging pile, through the charging gun head protection mechanism and the charging gun head fixing mechanism, the charging gun head can be stably fixed on a bearing seat, the charging gun head can be shielded from rain and dust, and irrelevant personnel can also be preventedfrom touching the charging gun head; and moreover, through the cable winding mechanism, a power transmission cable can be wound to prevent the phenomenon that the power transmission cable is wound andworn.

The invention discloses a ventilation type sunlight greenhouse, which comprises a plurality of arc-shaped skeletons connected with one another through longitudinal structures, and a plastic film is spread on the arc-shaped skeletons, so that a greenhouse is formed; the roof and lower front part of the greenhouse are respectively provided with a plurality of ventilation openings and air inlets, V-shaped support structures are respectively and fixedly connected with the tops of the arc-shaped skeletons located at both ends of each ventilation opening in the greenhouse, and a V-shaped water-collecting plate is arranged between each two V-shaped support structures; a rainproof plate is hinged in each ventilation opening, and ventilation windows are hinged with the air inlets of the lower front part of the greenhouse. The ventilation type sunlight greenhouse has the following advantages: the wind load of the greenhouse cannot be increased additionally, the influence of wind power on the ventilation structure does not need to be taken into consideration, the service life is long, the natural ventilation principle of buildings can be utilized to realize natural ventilation, the structure is reasonable, the ventilation effect is good, and the manufacturing cost is low; the ventilation type sunlight greenhouse is convenient and quick to install, does not have installation and maintenance operation risk, and is highly safe; the ventilation type sunlight greenhouse can implement a wind-shielding and rainproof function, weather changes, such as rain and hail, do not need to be worried about for greenhouse ventilation, and the effective time of the natural ventilation regulation of the greenhouse environment is prolonged.

The invention relates to the field of chimney body equipment and discloses an environment-friendly glass fiber reinforced plastic chimney having the rainproof function. The environment-friendly glassfiber reinforced plastic chimney having the rainproof function comprises a chimney body. An annular clamp is fixedly connected with the outer circumference of the top of the chimney. A rainproof cap is arranged on the upper side of the chimney body. A supporting frame is arranged on one side of the chimney body. Arc supporting arms are oppositely and fixedly connected with one side of the outer circumference of the annular clamp. A rotating shaft connected with the two supporting arms is arranged between the supporting arms and hinged to the rotating arms. The rotating shaft is fixedly connected with a connection rod. The end, far away from the rotating shaft, of the connection rod is connected with the rainproof cap. A driven wheel is fixedly connected to the rotating shaft. A driving wheel meshed with the driven wheel is arranged nearby the driven wheel. The driving wheel is in drive connection with an output shaft of a motor. The motor is fixed to the supporting frame. The environment-friendly glass fiber reinforced plastic chimney having the rainproof function can achieve the purpose that the glass fiber reinforced plastic chimney body is resistant to rain.

The invention discloses a stereoscopic vision orifice plate which comprises a plate body, a plurality of arc-shaped backlight notches and a plurality of arc-shaped light-facing notches are formed in the plate body, the plate body cut along the arc-shaped backlight notches is partially warped upwards to form a backlight wafer, the plate body cut along the arc-shaped light-facing notches is partially warped upwards to form a light-facing wafer, wherein the notch directions of the arc-shaped backlight notches are the same, the notch directions of the arc-shaped light-facing notches are the same,the notch directions of the arc-shaped light-facing notches and the arc-shaped backlight notches are opposite, and the warping direction of the backlight wafer is the same as and/or opposite to the warping direction of the light-facing wafer. The stereoscopic vision orifice plate is reasonable in structure, the backlight wafers and the light-facing wafers with reverse openings are densely distributed on the plate body, the stereoscopic vision orifice plate can be used for advertisement display, curtain wall installation and municipal roads, sun shading can be achieved in sunny days, rain prevention can be achieved in rainy days, ventilation can be achieved in windy days, and the yin-yang face effect can be achieved through the arrangement of the light-facing wafers and the backlight wafers; and therefore, three-dimensional LOGO, characters and patterns can be presented, and the effects of shading and multi-plate-body noise absorption are achieved.

The invention relates to the technical field of signboards, and specially relates to a signboard support that comprises a door body and a bottom frame; the door body is rotationally connected with thebottom frame; a magnetic body is arranged on the bottom frame, a first buckling part is arranged on the bottom frame, a second buckling part connected with the first buckling part is arranged on thedoor body, a hook body is arranged on the door body, and an elastic piece is further arranged between the door body and the bottom frame. The signboard support has the advantages of being high in installation stability and low in installation difficulty.