447results about How to "Guaranteed waterproof performance" patented technology

The present invention relates to a pair of roller movable shaft seat units, including a bearing box, a brush roller connecting mechanism is arranged in the bearing box, the brush roller connecting mechanism includes a sliding seat and a movable bearing seat, and a shaft support device is inserted in the sliding seat and the movable bearing seat; the rear side of the bearing box is also sealed and connected to a driving box, the driving device is inserted through the rear side wall of the bearing box, and the front side of the bearing box is also provided with an exposed port, when the movable bearing seat is extended from the exposed port, it is in a sealed state with the exposed port to prevent water from entering the bearing box; when the brush roller is replaced, the movable bearing seat can be retracted into the bearing box to avoid collision. By arranging the brush roller connecting mechanism in the bearing box, and being able to move relatively in the bearing box to extend or retract, when extending, part of the brush roller connecting mechanism is pressed against the position of the exposed port, which can effectively prevent water from entering the interior; and it is only extended in the working state, which can also protect the brush roller connecting mechanism and prevent accidental collision during operation.

The invention relates to the technical field of coatings, and provides a nano anti-corrosion waterproof coating capable of resisting high and low temperatures and acid and alkali, which is prepared from the following raw materials in parts by mass: 30 to 40 parts of pure acrylic emulsion, 10 to 20 parts of modified nano silicon dioxide, 2 to 4 parts of nano titanium dioxide, 3 to 6 parts of nano zinc oxide, 2 to 4.4 parts of auxiliaries and 5 to 9 parts of water, the modifier comprises dibasic ester and / or dihydric alcohol. According to the technical scheme, the problem that the performance of the nano coating is low due to the fact that the nano particles are easy to agglomerate and are not uniformly dispersed in the base material in the prior art is solved.

The embodiment of the invention discloses a control method for a shutter of a charging pile, the shutter and a related device, and the method comprises the steps: detecting that the charging pile is in a working state, determining the temperature in the charging pile through a temperature sensor, and determining the current rainfall through a rainfall sensor; determining a heat dissipation strategy according to the in-pile temperature and the first temperature; according to the in-pile temperature, the first temperature and the current rainfall, a waterproof strategy is determined; and adjusting a first opening and closing angle of an inner shutter of the shutter according to the heat dissipation strategy, and adjusting a second opening and closing angle of an outer shutter of the shutter according to the waterproof strategy. Thus, by adjusting the opening and closing angles of the inner shutter and the outer shutter, heat dissipation is guaranteed through the inner shutter, waterproof performance is guaranteed through the outer shutter, the strict application working condition of the outdoor charging pile is met, and the working efficiency and use safety of the charging pile are improved.

The invention belongs to the technical field of food instruments, and particularly relates to a household bean curd machine pressing mechanism which comprises a pressing bin with an opening in the top, a pressing plate arranged above the pressing bin and a second driving device used for driving the pressing plate to enter or be away from the pressing bin, and a water filtering component is arranged in the pressing bin. A lower bin inner wall with an opening in the top is arranged below the water filtering component, a water retaining component is installed at the opening in the top of the lower bin inner wall, the water retaining component and the lower bin inner wall define a closed space used for installing a third driving device, and a water storage space is formed between the lower bin inner wall and the pressing bin; based on the built-in driving device, the pressing mechanism capable of rapidly draining water in all directions is provided, the leakproofness of the bean curd machine can be guaranteed while rapid water draining is achieved, and the pressing requirement of the small household bean curd machine can be better met.

The utility model belongs to the technical field of wiring, and particularly relates to a waterproof junction box and a waterproof wiring terminal thereof, which comprise a wire holder assembly, an insulating sealing cap and a first insulating sealing ring, connecting electrodes are arranged in the external thread convex columns on the upper surface of the wire holder assembly; a connecting bridge is arranged in the wire holder assembly and is electrically connected with the connecting electrode; the insulating sealing cap is in threaded connection with the external thread convex column; a wire core of the conductive wire can penetrate through a hole in the insulating sealing cap and the first insulating sealing ring and is in electric contact with the connecting electrode; and the insulating sealing cap can tightly press the first insulating sealing ring, so that the inner ring side of the first insulating sealing ring is in sealing contact with the insulating layer of the conductive wire. According to the scheme, the first insulating sealing ring is sealed among the insulating sealing cap, the external thread convex column and the conductive wire insulating layer, so that waterproof isolation between the wire core and the external environment is realized, the waterproof performance of the wiring position is effectively realized, and the waterproof performance of the wiring terminal in use is ensured.

The invention belongs to the technical field of power supply equipment, and particularly provides a battery pack and a fuse box thereof. The battery pack fuse box comprises a battery pack base and an upper cover which is fixedly connected with the base to define a fuse arrangement cavity, the base is provided with two connecting point positions which are used for being connected and matched with two contact knives of a fuse, the battery pack fuse box is further provided with a protective cover, and the protective cover is located in the fuse arrangement cavity. The protective cover comprises a covering face used for covering the connecting point positions and a connecting part used for being connected with the base. The battery pack comprises the battery pack fuse box. The protective cover is additionally arranged at the connecting point of the fuse box base, so that the electric shock prevention, dust prevention and water prevention performance of the fuse box is enhanced.

The utility model discloses a waterproof structure for an abutted seam of a wavy PTFE (Polytetrafluoroethylene) membrane structure. The waterproof structure comprises a waterproof structure at the abutted seam which is concave upwards and convex downwards and a waterproof structure at the abutted seam which is concave upwards and convex downwards, wherein the waterproof structure at the upper-concave and lower-convex abutted seam and the waterproof structure at the upper-concave and lower-convex abutted seam are connected with the upper-layer fixing frame and the lower-layer fixing frame through the supporting frame, the waterproof piece is installed on the supporting frame, and the two ends of the waterproof piece are connected with the upper-layer fixing frame and the lower-layer fixing frame through the sealing assembly and the decoration assembly respectively. The waterproof construction steps of the abutted seam position are simplified, the waterproof component is directly connected with the fixing frame, the stability of the waterproof structure is guaranteed, the waterproof performance is further guaranteed, the first supporting frame and the second supporting frame are arranged, reliable supporting points are provided for the waterproof plate, and the installation quality of the waterproof plate is further guaranteed.

The invention discloses a tightening angle waterproof structure and a construction method thereof, a building main body structure comprises a basement top plate, a building base outer wall, a cantilever plate and a cantilever plate reverse ridge which are connected in sequence, and the waterproof structure comprises an internal corner waterproof additional layer, a basement top plate waterproof layer and a building base outer wall waterproof layer. The protection structure of the waterproof structure comprises a concrete waterproof protection layer, a brick wall, a concrete gap and an apron which are arranged in sequence. The waterproof effect of the basement bottom internal corner is ensured, the firmness and waterproof leakproofness of the closing opening of the cantilever plate reverse ridge side face waterproof structure are ensured, and the waterproof structures on the top face of a basement top plate, the side face of a building base outer wall, the bottom face of a cantilever plate and the lower portion of the side face of the cantilever plate reverse ridge can be completely and continuously attached, covered and protected.

The invention provides a waterproof distribution box with an adjustable mounting angle, and relates to the technical field of distribution boxes, three trapezoidal mounting seats are fixedly connected to one end of a distribution box body, a bidirectional screw is rotatably connected to the interiors of the three trapezoidal mounting seats, and a handle rod is fixedly connected to the outer surface of the bidirectional screw. The two rectangular sliding blocks are in threaded connection with the outer surface of the bidirectional screw, the two connecting rods are rotationally connected into the two rectangular sliding blocks respectively, the outer surface of the round rod rotating shaft is sleeved with the rotating disc, the damping rotating shaft is fixedly connected to the end, close to the U-shaped mounting base, of the distribution box body, and the handle rod is held to screw the bidirectional screw to rotate. Two threads arranged at the outer end of the two-way screw are opposite in rotating direction, the two-way screw rotates to drive the two rectangular sliding blocks to slide oppositely, the two rectangular sliding blocks slide to extrude and push the connecting rods to rotate, the two connecting rods synchronously push the rotating disc to rotate, and the rotating disc drives the round rod rotating shaft to rotate so as to adjust the placement angle of the touch screen body.

The invention discloses a low-energy-consumption outer wall enclosure system and a construction method, and particularly relates to the technical field of energy-saving construction, and the low-energy-consumption outer wall enclosure system comprises a concrete column beam composed of frame columns and frame beams. The self-heat-preservation function of an outer wall enclosure system is achieved, an outer heat preservation layer does not need to be additionally arranged, the engineering construction cost is remarkably reduced, composite self-heat-preservation building blocks are adopted for the wallboards, the continuity of the heat preservation layer is ensured through an ingenious meshing connection mode, and therefore the excellent heat preservation performance of the wall is ensured, and meanwhile, the wall has the good heat preservation effect. Lightweight aggregate concrete with self-heat-preservation performance is adopted in key parts such as constructional columns, frame-embracing columns, lintels and coping, the overall heat preservation effect is further improved, foam mortar and waterproof mortar are elaborately filled in the top of the wallboard and the side faces of the columns, and the heat preservation, waterproof and fireproof performance of cold and hot bridge parts of a wall body is effectively guaranteed. The wall plates are connected through the convenient U-shaped clamping pieces, and compared with a traditional fixing mode, construction is easier, more convenient and faster.

The utility model discloses a washable and rainproof breathable reflective fabric which comprises a reflective layer and a cloth base layer, the reflective layer is connected with the cloth base layer, an upper washable breathable waterproof layer is arranged on the upper side of the reflective layer, and a lower washable breathable waterproof layer is arranged on the lower side of the cloth base layer. According to the utility model, the upper washable breathable waterproof layer and the lower washable breathable waterproof layer are arranged, and the reflective layer and the cloth base layer are directly connected, so that the washable and rainproof breathable reflective fabric is realized, the breathable, washable, rainproof and reflective functions are realized at the same time, and the use experience is greatly improved.

The utility model discloses a node connecting structure of a refrigeration house roof and a photovoltaic stand column, which comprises a heat insulation fixing unit used for fixing the photovoltaic stand column and a waterproof unit arranged on the heat insulation fixing unit, and the heat insulation fixing unit comprises a mounting groove formed in the refrigeration house roof, a column foot fixed on the bottom wall of the mounting groove and a heat insulation block. The lower part of the photovoltaic stand column is fixed on the column foot; the groove wall and the bottom wall of the mounting groove are both coated with first waterproof coatings, and the upper portion of the heat insulation block extends upwards to the position above the roof and is connected with the roof. The installation grooves are dug in the roof of the refrigeration house and filled with the heat insulation blocks, the photovoltaic stand columns are wrapped with the heat insulation blocks, the heat bridge effect can be effectively avoided, and the influence of a photovoltaic system on the refrigeration house is reduced as much as possible; first waterproof coatings are arranged in the mounting grooves, and waterproof units are further arranged on the heat insulation blocks and the roof, so that the waterproof performance of the joints can be effectively guaranteed, and water leakage of the refrigeration house is avoided; as the stand columns are buried in the refrigeration house roof, waterproof parts on the refrigeration house roof can be replaced conveniently.

The utility model relates to the field of flyknit vamps, in particular to a waterproof flyknit vamp which comprises a waterproof face and a breathable face, breathable cotton is connected to the two sides of the waterproof face through guide strips respectively, edge covering strips are arranged on the outer side of the waterproof face and the outer side of the breathable face respectively, elastic cloth is arranged on one side of the breathable face, waterproof cloth is arranged in the elastic cloth through a hidden groove, and the waterproof cloth is arranged on the breathable face. The waterproof cloth is installed in the guide strips and the edge covering strips in a limited mode through the rubber sliding blocks. According to the flyknit vamp, the flyknit vamp body is composed of the waterproof face and the breathable face, high breathability can be provided while waterproofness is guaranteed through the partition arrangement structure, meanwhile, in the actual use process, the waterproof cloth can be pulled out when needed through the arrangement of the rubber sliding blocks, the reset rubber bands, the limiting grooves and other structures, and therefore the flyknit vamp is convenient to use. The waterproof performance of the breathable surface is achieved through limiting of the edge covering strip and bonding and fixing of the rough surface, the overall waterproof performance of the flyknit vamp is effectively improved, and the use experience of consumers is effectively improved.

A circle of cylindrical water-stop steel plate is fixedly attached to the upper portion of a pile body, the upper end and the lower end of the cylindrical water-stop steel plate are parallel and inclined to the pile body, and the inclination angle of the upper end and the lower end of the cylindrical water-stop steel plate relative to the axis of the pile body is the design angle a of the pile body penetrating through the bottom plate of an underground structure. The distance between the upper end and the lower end of the cylindrical water-stop steel plate is the design thickness h of the underground structure bottom plate, and the position of the cylindrical water-stop steel plate on the upper portion of the pile body is the design position where the pile body penetrates through the underground structure bottom plate; a circle of plate-shaped water-stop steel plate is fixed on the outer side of the cylindrical water-stop steel plate, and the plate-shaped water-stop steel plate is located between the upper end and the lower end of the cylindrical water-stop steel plate and is parallel to the upper end and the lower end of the cylindrical water-stop steel plate. Subsequent dismounting is facilitated, the steel plate consumption can be reduced, and the waterproof effect of the bottom plate is ensured.

A rigid waterproof and flexible waterproof combined anti-seepage waterproof cushion layer comprises a permeable layer located on the uppermost layer and filled with a cement mixture; the anti-sticking layer is positioned below the permeable layer and is reactive sand, a reactive coating or a water-soluble film; the healing layer comprises an adhesive and is coated below the anti-sticking layer; the waterproof layer is adhered to the lower surface of the healing layer; the permeable layer, the anti-sticking layer, the healing layer and the waterproof layer are punctured and sewn into an integral structure by adopting a needling technology. Rigid waterproof and flexible waterproof are perfectly combined, so that the waterproof effect is ensured, and the waterproof layer can be prevented from falling off.

The invention provides a concrete prefabricated pipe gallery structure and a construction method of a concrete prefabricated pipe gallery. The concrete prefabricated pipe gallery structure comprises cushion blocks, a track set, a grouting part, sealant and a plurality of prefabricated pipe joints, and the prefabricated pipe joints are distributed in the longitudinal direction; a track group is fixed on the cushion block, the prefabricated pipe joints are arranged on the track group, and the track group is located at the joint of every two adjacent prefabricated pipe joints; the track set comprises a first track and a second track which are distributed in the longitudinal direction at intervals, the first track corresponds to one of the two adjacent prefabricated pipe joints, and the second track corresponds to the other one of the two adjacent prefabricated pipe joints. A track group interval is arranged between the first track and the second track; a grouting part is arranged between the cushion block and the prefabricated pipe joint; and the sealant is arranged between every two adjacent prefabricated pipe sections, and the technical problems that the assembling difficulty of a concrete prefabricated pipe gallery is large, and the overall sealing performance of the pipe gallery is difficult to guarantee are solved.

The utility model discloses an automobile waterproof connector, and particularly relates to the technical field of automobile connectors, which comprises a connecting assembly used for being connected with an automobile. A waterproof protection assembly is arranged outside the connecting assembly; the protection assembly comprises a top waterproof plate and a bottom waterproof plate, the top waterproof plate is arranged at the top of the bottom waterproof plate, the top waterproof plate and the bottom end of the top waterproof plate are arranged at the top and the bottom of the connecting assembly respectively in a sleeving mode, and the bottoms of the two ends of the top waterproof plate make contact with the tops of the two ends of the bottom waterproof plate. The waterproof structure is connected through the fastening bolts, so that a user can take down the top waterproof plate and the bottom waterproof plate to maintain or replace the top waterproof plate and the bottom waterproof plate by detaching the fastening bolts, and the situation that the top waterproof plate and the bottom waterproof plate are damaged or performance is reduced due to long-term unrepair and cannot effectively resist water is avoided; therefore, the service life of the cable can be effectively guaranteed, and the waterproof performance is effectively prevented from being affected by fatigue, corrosion and the like.

The utility model discloses a waterproof UPS power supply, relates to the UPS power supply technology field, and comprises a power supply body, two sides of the power supply body are provided with side plates, the power supply body is internally provided with a cooling chamber, the inner side of the cooling chamber is vertically provided with a cooling plate, one end of the cooling chamber is provided with a heat radiation fan, one side of the heat radiation fan is provided with fan blades, and the fan blades are arranged on the side of the heat radiation fan. A heat conduction plate is arranged on the upper side face of the cooling bin. Through the arrangement of the cooling bin, the cooling plate, the heat dissipation fan, the fan blades, the heat conduction plate, the sealing frame and the sealing strip, the cooling bin is in sealed connection with the power supply body through the sealing frame and the sealing strip, and heating electrical components in the power supply are in tight contact connection with the heat conduction plate. Heat generated during operation of the power supply equipment is transmitted to the cooling bin and the cooling plate through the heat conducting plate, the cooling fan performs air cooling heat dissipation on the cooling bin and the cooling plate, meanwhile, gaps in the outer side of the power supply body are reduced, and the waterproof effect of the power supply body is guaranteed.

This utility model discloses a partition plate for an outdoor unit of an air conditioner, including a main body with a water-guiding slope. The water-guiding slope is connected to an extension, and the extension is equipped with a heat dissipation structure. When the outdoor unit is operating, the condenser produces condensate. The fan rotation may throw the condensate towards the compressor compartment. The partition plate can block the water droplets, the water-guiding slope can cover the compressor, and the water droplets collected at the upper part of the partition plate are guided to the bottom of the casing. The heat dissipation structure can dissipate heat from the compressor compartment to the condenser compartment, preventing heat from the compressor compartment from being trapped and affecting the heat exchange performance of the outdoor unit. This outdoor unit's partition plate, by setting a water-guiding slope to cover the compressor and guide the water droplets adhering to it, and by setting an extension above the water-guiding slope to provide a heat dissipation structure, not only dissipates heat from the compressor compartment but also prevents water droplets from entering the compressor compartment through the heat dissipation structure, achieving both heat dissipation and waterproofing.

The light-emitting lamp box of the multi-aluminum-profile combined structure comprises an outer frame, a support is fixed to the back of the outer frame, the bottom of the support is connected with a base, and a detachable picture box body is arranged in the outer frame; the picture box body comprises a box door and a box body shell, the box door comprises a box cover door and a canvas door, one side of the box cover door is rotationally connected with one side of the box body shell through a stainless steel row chain, and one side of the canvas door is rotationally connected with one side of the box cover door through another stainless steel row chain; the rotating directions of the box cover door and the canvas door are opposite; the box body shell comprises a plurality of LED lamps irradiating forwards, a cam lock is arranged on the other side of the box body shell, a lock catch groove matched with the cam lock is arranged on the other side of the box cover door, and opening and closing of the box cover door are achieved by rotating the cam lock. A replaceable picture is arranged in the canvas door, and the middle position of the box cover door is of a transparent structure through which the replaceable picture can be seen. According to the invention, the convenience of picture replacement, the high efficiency of repair and maintenance and the flexibility of assembly type production are integrated.

A waterproof panel lamp high in cost performance comprises a disc provided with a light source cavity and a waterproof connector arranged on one side of the disc, a light-transmitting panel is installed at an opening of the light source cavity through an aluminum frame, the edge of the light-transmitting panel is wrapped with a U-shaped sealing strip, the aluminum frame is of a square frame structure on the whole, and a step face is arranged at the connecting position of the aluminum frame and the disc. An opening in the lower portion of the disc is provided with an outer edge attached to the step face and fixedly connected through a screw, the edge of the step face is provided with a sinking groove, the screw is in threaded connection with the sinking groove, the edge of the lower portion of the aluminum frame horizontally extends to form an inner edge, the U-shaped sealing strip is arranged on the inner edge, and the connecting position of the outer edge and the disc is bent downwards to form a pressing edge. The pressing edge is pressed on the upper part of the U-shaped sealing strip; according to the panel lamp structure, the U-shaped sealing strip wraps the edge of the light-transmitting panel, the light-transmitting panel is installed at the opening of the disc through the aluminum frame, the aluminum frame and the disc are fixed through the screws, the pressing edge is arranged at the edge of the disc and connected to the U-shaped sealing strip in a pressed mode, and the whole connecting structure is simple, low in manufacturing cost and good in waterproof effect.

The present application relates to the technical field of electric control switch, in particular to a kind of motorcycle disc brake control switch, including shell, two wiring copper sheets, electricity connection copper sheet, slider and cover plate, installation cavity is provided in the shell, installation groove is opened in the symmetrical two inner side walls of installation cavity, and two The wiring copper sheet is fixedly inserted in installation groove;The present application is closed by the setting of cover plate and sleeve, the part of wiring copper sheet in installation cavity is isolated with external environment with electricity connection copper sheet, and the inside of the position of wiring copper sheet through shell can be sealed with sealing glue, simultaneously still can be filled into inert gas in installation cavity, to avoid the water vapor in environment into installation cavity, cause the part of wiring copper sheet in installation cavity and electricity connection copper sheet corrosion Problem, guarantee the conductive property of wiring copper sheet and electricity connection copper sheet, guarantee the stability and waterproof performance of motorcycle disc brake control switch.

The utility model belongs to carton layered partition board technical field discloses a kind of carton layered partition board, including a plurality of first partition board, the top end side of a plurality of first partition board is equipped with a plurality of first clamping slot, a plurality of first partition board are all connected with a plurality of second partition board by a plurality of first clamping slot clamping, the bottom end of second partition board is equipped with a plurality of second clamping slot corresponding a plurality of first clamping slot, the bottom end of second partition board is equipped with a plurality of connecting blocks, the both sides of connecting block are all connected with waterproof board, the bottom end of a plurality of first partition board and a plurality of second partition board is equipped with batten. The device simple and reasonable in structure, novel in design, easy to operate, with high practicability, it is convenient to widely use.

The utility model discloses a human muscle massager. Comprising a sleeve body and a main machine body, the sleeve body is made of soft rubber and wraps the main machine body, a massage opening is formed in one end of the main machine body, a massage part recessed in the massage opening is arranged at the position, located at the massage opening, of the sleeve body, and a massage component, a main board and a battery electrically connected with the main board are arranged in the main machine body. The massage head is formed by the portion, located at the massage opening, of the sleeve body, and the massage component drives the massage action of the massage head, so that the effect of kneading massage is simulated, and softer and more comfortable massage experience is provided for human muscle massage; meanwhile, the sleeve body made of the soft rubber body wraps the main machine body in an all-around mode, an exposed movable gap does not exist at the joint of the massage head and the main machine body, and therefore the waterproof performance of the main machine body can be effectively guaranteed.

This utility model relates to the field of non-destructive testing technology and provides a modular acoustic vibration detection probe structure, including a housing and a locking mechanism. The locking mechanism is provided on one side of the surface of the housing, and a combination mechanism is provided at one end of the housing. The modular acoustic vibration detection probe structure provided by this solution, through the locking mechanism, first places the device in the detection area and fixes it to the detection area with an external knot or Velcro. Then, a wiring is connected to the external wiring interface, and real-time data during the detection is transmitted to the operator. When the corresponding sensor needs to be replaced, the battery pack is pulled out of the housing, and then the hidden handle on the corresponding integrated plate is pulled. During the pulling process, the locking block and the limiting block fixedly connected to the integrated plate change from a locked state to a sliding state. At the same time, the limiting block is pressed, and the limiting block overcomes the spring force and slides in the integrated groove, realizing the release operation.

The utility model discloses a waterproof joint with multiple waterproof structures, which comprises a connector, the right side of the connector is fixedly connected with a connecting seat, the right side of the connecting seat is fixedly connected with a protective sleeve, the right side of the protective sleeve is fixedly connected with a cable, and the surface of the cable is sleeved with a protective cover. Limiting holes are formed in the front end and the rear end of the protective cover. According to the utility model, the internal lug plate is protected through the connector, so that the internal waterproof effect can be ensured, meanwhile, the protective cover is moved to the surface of the connector, and the clamping block is clamped with the limiting hole, so that the stability of the connection between the connector and the protective cover can be ensured, and the connector is further protected through the protective cover; therefore, the efficient waterproof effect can be achieved, and the problems that in the using process of a traditional waterproof connector, the structure is single, the water seepage phenomenon is likely to happen to gaps in the connecting position during long-term use, and then the protection performance of the connector is reduced can be effectively solved.

The utility model relates to a stainless steel gutter structure on two sides of a firewall of a harbor machinery workshop. The stainless steel gutter structure comprises a stainless steel gutter body, a steel shoot nail, a flashing plate and sealant, grooves are formed in the two sides of the firewall, the upper side of the flashing plate is fixed in the grooves of the firewall, the shooting nails are driven into the grooves, sealant is filled in the grooves, and the lower side of the flashing plate is attached to the flanges of the stainless steel gutter body. According to the steel structure industrial factory building with high fire-fighting requirements, the stainless steel gutters are arranged on the two sides of the firewall extending out of the roof, and the higher fire-resistant and fireproof requirements of the whole factory building are met.

The utility model provides a battery box for an electric vehicle, which comprises a box body with a top opening, a connecting bottom plate arranged at the bottom of an inner cavity of the box body, a plurality of connecting sockets arranged on the connecting bottom plate, a plurality of batteries arranged in the box body, connecting plugs arranged at the bottoms of the batteries and corresponding to the connecting sockets, and the connecting plugs are inserted into the connecting sockets. The top of the box body is provided with a wire outlet, the end of the wire extends out of the wire outlet and is connected with a motor of the electric vehicle, the top of the box body is further provided with a pressing rod, the bottom of the pressing rod is provided with a pressing block in a clamped mode, the bottom of the pressing block makes contact with the top of the battery, and the pressing block is made of elastic materials. According to the battery box for the electric vehicle, the connection of the battery and the connection socket is integrated in the box body, so that the connection plug can be conveniently aligned with the connection socket, the tight connection is ensured, and the normal operation of the electric vehicle is ensured; the pressing block prevents the battery from moving up and down, connection disconnection is prevented, and the elastic pressing block prevents the battery from being damaged due to extrusion on the battery when the pressing rod is pressed downwards.

A surgical device includes a housing, a circuit assembly, a drive element, a cutter, and an input assembly. The circuit assembly is arranged in the shell. The driving element is arranged in the shell and is electrically connected to the circuit assembly. The cutter is connected to the driving element and is driven by the driving element. The cutter protrudes from the first end of the housing. The input assembly comprises a nameplate and at least one key switch. The at least one key switch is arranged in the nameplate and electrically connected to the circuit assembly. The nameplate is arranged on the shell and exposed outside.

The utility model provides a fixing device for waterstop installation, which relates to the field of waterstop installation, and adopts the technical scheme that the fixing device comprises a fixing plate, the fixing plate can be detachably connected with a wall surface, a support frame is vertically arranged on the fixing plate, a reel is rotatably and horizontally arranged on the support frame, and the reel is fixedly connected with the fixing plate. The reel can be detachably connected with the water stop belt, and a locking assembly is arranged on the reel. The water-stop belt fixing device can reliably fix the water-stop belt, meanwhile, the water-stop belt fixing device can be conveniently adjusted according to needs after being fixed, scratching is avoided, and the waterproof effect of the water-stop belt is guaranteed.