62results about How to "Achieving a double seal" patented technology

The utility model belongs to the technical field of water supply and drainage construction, and particularly relates to a pipeline butt joint sealing structure for water supply and drainage construction, which comprises drainage pipes, first sealing rings are embedded in the inner walls of the ends, close to each other, of the two drainage pipes, and a first sealing ring is fixedly sleeved on the outer side of the right end of the drainage pipe on the left side. A plurality of clamping grooves are annularly formed in the outer edge of the left side of the first sealing ring, and an annular groove is formed in the right side of the first sealing ring. In the butt joint process of two adjacent drainage pipes, the fixing ring fixedly arranged on the left side wall of the second sealing ring can be inserted into the annular groove correspondingly formed in the right side wall of the first sealing ring, and the width of the fixing ring and the width of the annular groove are gradually increased from left to right, so that when the fixing ring and the annular groove are in butt joint, the sealing effect is good. The extrusion effect on the second sealing ring can be achieved, and the first sealing ring is matched, so that double sealing between the adjacent drainage pipes is achieved conveniently.

The embodiment of the utility model belongs to the technical field of household appliances, and particularly provides a refrigerator. The refrigerator comprises a refrigerator body, a low-pressure storage structure, an air extractor and a trigger switch, the low-pressure storage structure is installed in a storage chamber formed by the refrigerator body, a low-pressure storage chamber is formed by the low-pressure storage structure, and the air extractor is used for extracting air in the low-pressure storage chamber; the trigger switch is used for triggering the air extractor to start, and automatic control over air extraction of the low-pressure storage chamber is achieved. A mounting seat is arranged on the low-pressure storage structure and is used for mounting a trigger switch; an accommodating groove and a vent hole for communicating the accommodating groove with the low-pressure storage chamber are formed in the mounting seat; the trigger switch comprises a first sealing piece and a second sealing piece, the first sealing piece seals the end of the mounting base, the second sealing piece is used for sealing the vent hole, the trigger switch and the low-pressure storage structure are subjected to double sealing, the sealing performance of the trigger switch to the low-pressure storage chamber is guaranteed, air leakage of the low-pressure storage chamber is avoided, and the storage quality of the low-pressure storage chamber is improved.

The utility model provides a vehicle body sealing structure and a vehicle, and belongs to the technical field of vehicles, the vehicle body sealing structure comprises a framework, a foaming rubber block and a hot melting flowing rubber block, and the framework is sequentially provided with a hot melting sealing area and a foaming limiting groove from top to bottom; the foaming rubber block is arranged in the foaming limiting groove, and a foaming filling area between the foaming limiting groove and the automobile body metal plate is filled with the foaming rubber block after foaming, so that a first sealing structure is formed; and the hot melting flowing rubber block is arranged in the hot melting sealing area, flows to the foamed foaming rubber block after hot melting, and fills a gap between the foaming rubber block and the automobile body metal plate, so that a second sealing structure is formed. According to the utility model, the polystyrene foam is matched with the hot-melt flowing glue, during electrophoresis baking, the polystyrene foam is firstly foamed and is in contact with the automobile body metal plate to form a first sealing structure, and the hot-melt flowing glue is then melted and flows to a narrow gap between the polystyrene foam and the metal plate under the action of gravity to form a second sealing structure; therefore, double sealing of the gap between the automobile body metal plates is achieved, and a better sealing effect is achieved.

The utility model discloses a self-tightening floating roof one-time sealing device, which relates to the technical field of sealing devices and comprises a tank wall, a floating roof is mounted on the inner side of the tank wall, a sealing tape is mounted on the outer side of the floating roof, filler is mounted in the sealing tape, and connecting mechanisms are mounted on the upper side and the lower side of the sealing tape. Through the cooperation of the fixing plate, the supporting plate, the first screw hole, the first screw rod, the second screw hole, the second screw rod, the supporting plate, the third screw hole, the third screw rod, the bearing plate, the fourth screw hole, the fourth screw rod, the fifth screw hole, the fifth screw rod and the protrusion, the supporting plate and the bearing plate can drive the floating roof to move, then the sealing belt and the filler can be extruded, the sealing belt and the filler can deform after being pressed, and the sealing effect is improved. At the moment, the sealing belt and the filler can block a gap between the floating roof and the inner wall of the storage tank, meanwhile, double sealing is achieved through the sealing belt and the matched supporting plate, meanwhile, the shapes of the extruded sealing belt and the filler can be changed, the sealing device can be suitable for storage tanks of different specifications, and the applicability is improved.

The utility model relates to the technical field of blind plate valves, and provides a high-temperature acid flue gas pipeline blind plate valve which comprises a box body, two ends of the box body are communicated with pipelines, a sealing cover is arranged at the top end of the box body, a valve plate is movably arranged in the box body in a sealing mode, and a sealing ring used for sealing pipe openings of the pipelines is arranged on one face of the valve plate. The box body is movably connected with the ejector rod used for abutting against the other face of the valve plate in a pushing mode, the valve plate used in the box body is movably arranged in a sealed mode, the ejector rod pushes the valve plate, a sealing ring seals a pipe opening of a pipeline, double sealing is achieved, acid flue gas leakage is effectively avoided, and the reliability of the device is improved.

The balance valve comprises a valve body and butt joint pipes arranged at the two ends of the valve body, inner flange plates are fixed to the two sides of the surface of the valve body respectively, outer flange plates are fixed to the surfaces of the two butt joint pipes respectively, threaded holes are formed in the side faces of the inner flange plates and the side faces of the outer flange plates respectively in a penetrating mode, and the inner flange plates and the outer flange plates are connected through the threaded holes. A primary positioning mechanism is arranged between the outer flange plate and the inner flange plate, the primary positioning mechanism is used for quickly aligning threaded holes in the outer flange plate and the inner flange plate, and a double-sealing assembly is arranged between the butt joint pipe and the valve body. According to the balance valve with the high sealing performance, the positioning insertion rods on the outer flange plate are aligned with the positioning insertion holes in the inner flange plate and inserted into the positioning insertion holes, so that the corresponding threaded holes in the outer flange plate and the inner flange plate can be quickly aligned, the later sealing performance cannot be affected, and double sealing is achieved through the arrangement of the double sealing assemblies; and the sealing performance between the valve body and the butt joint pipe is further improved.

The utility model relates to the technical field of gas pipeline joints, in particular to a gas pipeline joint with high gas tightness, which comprises a base, the outer wall of the base is fixedly welded with the outer wall of a connecting piece, the inner wall of the connecting piece is rotatably connected with the outer wall of a fixing piece, and the inner wall of the base movably abuts against the outer wall of a joint pipeline. The outer wall of the connector pipeline is fixedly connected with the inner wall of the sealing piece in a sleeved mode, the outer wall of the threaded taper pipe is inserted into the inner wall of the gas pipeline, the threaded taper pipe is rotated, the outer wall of the threaded taper pipe and the inner wall of the gas pipeline are tightly inserted, and after the outer wall of the threaded taper pipe and the inner wall of the gas pipeline are tightly pressed, the rotating sleeve is rotated. The rotating sleeve slides towards the direction of the main gas pipe through threads, the rotating sleeve slides to drive the tightening ring to slide, the tightening ring slides to squeeze the inclined ring to enable the inclined ring to be shrunk, the shrunk inclined ring drives one end of the sealing sleeve to be shrunk, the inner wall of the sealing sleeve abuts against the outer wall of the gas pipeline, and double sealing of the gas pipeline connector is achieved through the sealing sleeve and the threaded taper pipe.

The utility model discloses a cable sealing plug, specifically relates to cable sealing technical field, including sealing conical cover, the inner wall fixed connection of sealing conical cover has the plugging sleeve, and the outer wall of sealing conical cover is equipped with spiral sealing assembly, spiral sealing assembly includes the plugging pad fixed setting in the outer wall of sealing conical cover, and the lower surface fixed connection of plugging pad has the connecting block, and one side fixed connection of connecting block has spiral restraint rope, and the bottom fixed mounting of spiral restraint rope has pull -out, and the one side fixed connection of pull -out has the adhesive strip, and the inner wall diameter of the top of sealing conical cover is less than its bottom inner wall diameter. The utility model inserts the cable into the direction surface in the inside of sealing conical cover, and the plugging pad extrusion is in the installation pipe lower surface, and the top of connecting block supports spiral restraint rope, and the multi -point position spiral sealing of plugging sleeve and cable is completed, and the sealing effect is better.

The utility model discloses a modular quick disassembly and assembly type coagulative precipitation tank which comprises a sectional tank body and a mud bucket detachably connected to the bottom of the sectional tank body, the sectional tank body is composed of a plurality of sections of tank bodies which are detachably connected in the longitudinal direction, and the height of each section of tank body is not higher than 2m; every two adjacent sections of tank bodies as well as the mud buckets and the sectional tank bodies are fastened and connected through fasteners, and are sealed through first sealing pieces. According to the utility model, the volume and the weight of each component of the sedimentation tank are greatly reduced, and the sedimentation tank can be transported by adopting a conventional transportation mode, so that the requirement of special transportation is avoided. By means of the design, the transportation cost and time are greatly reduced, and the overall efficiency of a project is improved.

The valve comprises a valve body, a valve element and a driving assembly, a sealing cavity is formed in the valve body, an opening is formed in one end of the sealing cavity, an inner sealing face is arranged in the sealing cavity, the valve element is connected into the sealing cavity in a rotating mode, an outer sealing face is arranged on the valve element, a liquid inlet and a first liquid outlet are formed in the valve body, and a liquid passing channel is formed in the valve element. The liquid passing channel can be communicated with the liquid inlet, the liquid passing channel is provided with a containing groove, an annular sealing piece is arranged in the containing groove, a switching hole is formed in the annular sealing piece, and a contact sealing face is arranged on the annular sealing piece; the containing groove is formed in the other end of the liquid passing channel of the valve element, the annular sealing piece made of the material with the low friction coefficient is arranged in the containing groove, and the contact sealing face of the annular sealing piece and the inner sealing face of the valve element are in sealing and sliding fit, so that friction between the valve element and the valve body can be reduced, and durability is improved; the containing groove can maintain the overall shape of the annular sealing piece, and the annular sealing piece is prevented from deforming and losing efficacy due to pressure.

The utility model relates to the technical field of liquid cooling transmission, and discloses a corrugated hose special for liquid cooling. Comprising a first corrugated pipe and a second corrugated pipe, the top end of the first corrugated pipe is connected with the surface of the second corrugated pipe in a clamped mode, a connecting mechanism is arranged at the contact end of the first corrugated pipe and the second corrugated pipe, and the connecting mechanism comprises a connecting block fixedly connected to the surface of the first corrugated pipe. A clamping and pressing structure is designed on the inner conical surface of the first corrugated pipe, a conical surface connector is designed to have the taper of 5 degrees and is matched with a butt joint rod, radial shrinkage is generated during pressing, and metal-rubber dual sealing is achieved in cooperation with a shrinkage clamping ring. When the poke rod is pressed, the spring lock catch below the conical surface connector is connected with a clamping hole formed in the second corrugated pipe in a clamping mode, and rapid clamping is achieved. And when disassembly is needed, clamping between the spring lock catch and the clamping hole can be canceled only by pressing the poke rod again, so that quick disassembly is achieved, and meanwhile, the spring lock catch supports the IP protection level and can be suitable for more use scenes.

The utility model provides a kind of sodium sulfonate preparation dewatering device, including fixed seat, barrel body is fixedly installed on the fixed seat, the top of barrel body is fixed with feed barrel, the side of feed barrel is opened with aperture, fixedly installed with fixed cylinder in the inside of aperture, rotatingly installed with fixed frame in the inside of fixed cylinder, the side of fixed frame is movably installed with arc seat, one end of fixed cylinder is rotatably installed with sealing seat, handrail is fixed on the sealing seat, the top of feed barrel is fixed with feed pipe, the side of barrel body is fixedly installed with discharge cylinder, fixedly installed with exhaust fan in the inside of discharge cylinder.The sodium sulfonate preparation dewatering device, when using, liquid material is evenly dropped to ring seat between by through hole, slowly drop to bottom plate by drainage hole between ring seat, a small amount of liquid material is convenient for later rapid heating drying.

The utility model discloses a kind of sealing ring fold riveting top cover, base plate and support frame installed in the lower side of base plate, positive electrode and negative electrode are equipped on the base plate, the pole of positive electrode and negative electrode is installed in the mounting hole inside of base plate, sealing ring is equipped between the base plate and pole, the upper end of the pole is equipped with pressing plate, and insulating plate is equipped between the lower end surface of pressing plate and the upper end surface of base plate, one end of the sealing ring is located between base plate and pole, the other end of sealing ring is located between base plate and pressing plate. The sealing ring of the sealing ring fold riveting top cover not only forms sealing in the radial direction and axial direction of base plate and pole, but also is compressed under riveting force by its upper end, effective second resealing is formed between the upper end surface of base plate and the lower end surface of pressing plate. This completely solves the problem that electrolyte seeps into the gap between pressing plate and base plate in conventional structure, and improves the sealing property.

The valve rod sealing structure under the ultralow-temperature working condition comprises a valve deck and a valve rod, a through hole is formed in the valve deck, the valve rod is in rotating fit with the through hole of the valve deck, a graphite packing set is arranged between the valve deck and the valve rod, and the valve rod sealing structure further comprises a lip-shaped ring. The lip-shaped ring comprises cobalt-based alloy and PTFE, the cobalt-based alloy is coated with the PTFE, the lip-shaped ring is arranged between the valve cover and the valve rod, the valve cover is arranged on the valve body, one end of the valve rod is located in the valve body, the lip-shaped ring is located between the valve body and the graphite packing set, the valve cover is made of austenitic stainless steel, and the graphite packing set is arranged between the valve cover and the valve rod. The valve rod is made of austenitic stainless steel, and the valve body is made of austenitic stainless steel. The utility model further discloses a valve using the valve rod sealing structure under the ultralow-temperature working condition.

The utility model belongs to valve technical field relates to a five -way ball valve with good sealing effect, including valve body, the inlet and the outlet of valve body all are equipped with the connecting pipe, the peripheral surface of connecting pipe is equipped with flange near the pipe orifice, the nut for connecting the pipe fitting is covered on the connecting pipe, the connecting pipe is covered with the sealing ring of cross section is L type, the outer periphery of small diameter section of sealing ring is equipped with the sealing lip towards its major diameter end, the two end faces of major diameter end of sealing ring are equipped with a plurality of concentric lines, the inner wall of sealing ring is equipped with annular limit slot, the outer periphery of connecting pipe is equipped with the limit block of clamping in limit slot. Through L type sealing ring can realize pipe fitting end surface and peripheral surface double seal, ensure the sealing effect of valve, the limit slot and the limit block cooperate with each other, can prevent sealing ring from being extruded.

The utility model discloses a valve rod sealing structure which comprises a valve body, a stuffing box and a valve rod, the stuffing box is arranged on the valve body, the valve rod and the stuffing box are matched together in a rotating mode, the valve rod sealing structure further comprises a gland, a pressing sleeve, graphite packing and a PTFE packing set, the graphite packing is annular graphite packing, the PTFE packing set is annular PTFE packing set, and the gland is arranged on the valve body. The inner diameter of the graphite packing is equal to that of the PTFE packing set, the outer diameter of the graphite packing is larger than that of the PTFE packing set, the graphite packing and the PTFE packing set are both arranged in a stepped hole of the packing box, the gland is arranged on the valve body, the pressing sleeve is located between the graphite packing and the gland, the graphite packing is located between the PTFE packing set and the pressing sleeve, and the PTFE packing set is located between the PTFE packing set and the pressing sleeve. The graphite packing and the PTFE packing set are matched with the valve rod in a rotating mode. The utility model further discloses the valve comprising the valve rod sealing structure.

The utility model discloses a centrifugal mother liquor storage tank which comprises a storage tank body, the outer portion of the storage tank body is connected with a ring body, the top of the ring body is provided with a sealing ring, the ring body is connected with a top cover through a rotating shaft, the bottom of the top cover is provided with a sealing frame and a sealing strip, an inner barrel is embedded in the storage tank body, the sealing ring is embedded in the sealing frame, and the sealing ring is embedded in the sealing strip. The outer portion of the ring body is fixedly connected with an internal thread seat, the side face of the top cover is connected with a mounting plate, a fastening screw is embedded in the mounting plate, and the fastening screw is in threaded connection with the internal thread seat. According to the centrifugal mother liquor storage tank, the ring body, the sealing ring, the top cover, the sealing strip, the sealing frame and other structures are installed outside the storage tank, so that double sealing of centrifugal mother liquor is achieved, after the inner barrel is filled with the centrifugal mother liquor, the sealing strip in the top cover is tightly pressed at the gap of the inner barrel, and the sealing frame is tightly pressed outside the sealing ring at the top of the ring body; in this way, internal double sealing can be achieved, and the sealing performance of centrifugal mother liquor is improved during use.

The utility model provides a distributor with high sealing performance, which belongs to the technical field of distributors and comprises a shell, a medium inlet pipeline, at least two medium outlet pipelines, a distribution assembly, a driving motor and a connecting piece, the shell is provided with a containing cavity, the distribution assembly is used for distributing and adjusting media entering the containing cavity from the medium inlet pipeline, and then the media flow to the medium outlet pipelines. The driving motor is used for driving the distribution assembly to carry out distribution adjustment and comprises a driving shaft, the connecting piece is rotationally arranged in the shell, a first sealing structure is arranged between the connecting piece and the shell, the driving motor is installed on the shell, the driving shaft extends into the shell to be connected with the connecting piece, and a second sealing structure is arranged between the driving shaft and the shell; the first sealing structure and the second sealing structure are both located between the medium inlet pipeline and the driving motor. According to the distributor, double sealing is achieved, the phenomenon that a medium in the containing cavity flows to the driving motor to damage the driving motor is avoided, and the service life of the distributor is greatly prolonged.

The utility model discloses a double-ball grease injection valve which comprises a valve body, a channel for grease to pass through is formed in the valve body, a first ball body and a second ball body which can seal the channel are arranged in the channel from top to bottom, a first spring is arranged between the first ball body and the second ball body, and a second spring is arranged between the first ball body and the second ball body. A ball support is arranged at the lower end of the second ball body, a second spring is arranged at the lower end of the ball support, a blocking ring is arranged at the lower end of the second spring, the blocking ring is arranged at the lower end of the valve body, and the second spring is limited in the channel through the blocking ring. According to the grease injection valve, the double balls and the double springs are arranged in the channel in the valve body, so that double sealing inside the grease injection valve is achieved, the problem that grease or gas in equipment leaks when a certain ball or spring goes wrong is effectively solved, and the service life of the equipment is effectively prolonged.

The present application provides a female connector comprising: a terminal assembly, the terminal assembly comprising a plurality of conductive elements and an accommodating part for accommodating the plurality of conductive elements, the accommodating part and the plurality of conductive elements being molded into an integrated piece; the conduction component is arranged on at least one part of the outer side part of the accommodating part in a sleeving manner; the first shell is arranged on the outer side part of the conduction component in a sleeving manner and is attached to the conduction component, and the first shell surrounds at least one part of the terminal assembly; the female seat connector comprises a first shell and a second shell, the second shell is attached to the outer side portion of the first shell, the female seat connector further comprises an attachment component fixedly connected to the outer side portion of the second shell, and the attachment component is provided with a mounting hole.

The utility model discloses a water pipe connecting device for old community reconstruction, include: rubber sleeve, both ends are used for respectively setting in the outer wall of up and down water pipe, hoop is set up in the both ends of rubber sleeve, the seal pipe is set up in the both ends of rubber sleeve and is U shape, and the inner wall of the lower end of seal pipe is provided with a ring of sealing groove, and the rubber sheet is inlayed in sealing groove, the seal ring is screwed in seal pipe, and it is used for the air compression in seal pipe, makes the rubber sheet tight after rising up the outer wall of up and down water pipe. The utility model can be further configured in a preferable example: the rubber ring is vertically slidably connected in the seal pipe. The utility model sets up the seal pipe in the both ends of rubber sleeve, and sets up the rubber sheet that can rise up in the seal pipe, makes the seal pipe can form the airbag structure, and the outer wall of up and down water pipe is pressed tightly, realizes the double sealing between rubber sleeve and up and down water pipe, improves the sealing performance of the connecting position, avoids the phenomenon of water leakage.

The utility model discloses a kind of leakage-proof hydrogen storage devices, it relates to hydrogen storage equipment technical field.The leakage-proof hydrogen storage device, including protection unit and inner tank, the inner tank is inserted in the inside of protection unit, the protection unit includes cover shell and base, the base is inserted in the inside of cover shell, the cover shell and base are used to protect inner tank.The leakage-proof hydrogen storage device, the utility model is provided with sealing bin on tank body, sealing bin is sleeved in the outside of filling and discharging pipe, the combination structure of sealing cover and sealing ring is adopted, the double sealing of filling and discharging pipe is realized, effectively prevent hydrogen from filling and discharging pipe place leakage;The cover shell and base of protection unit are through reasonable structural design, and the mutual cooperation of upper snap ring, limit ring, connecting ring, plug-in ring and support ring etc. When being impacted by external force, impact force can be effectively dispersed and buffered, and the inner tank is protected from being damaged.

The invention provides wood chip pretreatment equipment based on composite cellulase and a process of the wood chip pretreatment equipment, and relates to the technical field of wood impregnation. A dipping box is fixed to the left side of the top end face of the base. Through the arrangement of the first mixing assembly and the second mixing assembly, on one hand, when wood chips are mixed, four second electric cylinders are controlled to stretch out and draw back in a reciprocating mode, the four second electric cylinders drive a mixing plate to move up and down in a reciprocating mode, and in the up-down reciprocating movement process of the mixing plate, the wood chips can be mixed; and on the other hand, when the mixing plate reciprocates up and down to achieve mixing, through meshing transmission of the tooth row and the gear, reciprocating rotation of the rotating shaft and the impeller can be achieved, and secondary mixing of the wood chips can be achieved when the impeller rotates in a reciprocating mode. One mixing structure can move up and down to realize mixing, and meanwhile, the other mixing structure is driven to realize mixing synchronously, so that the cost is saved, and the mixing effect is better.

The utility model relates to water route structure technical field, and disclose a water route connecting structure for engine is suitable for the pipeline connection between EGR cooler and temperature regulator seat of high horse power natural gas engine, and provides cooling liquid flow passage, specifically includes first water pipe joint, second water pipe joint, connecting pipe, and the opening end of first water pipe joint and second water pipe joint all has the seat hole of centering arrangement, and the both ends of connecting pipe are connected with first water pipe joint and second water pipe joint respectively through seat hole. The utility model discloses through the interference fit of annular protrusion of sealing sleeve both ends and seat hole inner wall, and then through the hard contact occlusion of seat hole inner wall after the thermal expansion of steel pipe lining temperature, improves the stability of connection, and also can make up the elastic attenuation caused by sealing sleeve aging, thereby realizes double seal, prevents cooling liquid leakage, effectively improves the sealing property of engine water route connection, and convenient to dismount, is convenient for the overhauling and maintenance of later period.

The ultralow-temperature three-eccentric center butterfly valve comprises a valve rod, a valve body and a valve plate, the valve rod is rotationally arranged in the valve body, the valve plate is arranged on the valve rod and located in the valve body, the ultralow-temperature three-eccentric center butterfly valve further comprises an extended valve deck, a graphite packing set and a lip-shaped ring, the extended valve deck is arranged on the valve body, the graphite packing set is arranged on the extended valve deck, and the lip-shaped ring is arranged on the extended valve deck. The valve rod is rotatably matched with a through hole of the extended valve cover, the graphite packing group is arranged between the valve rod and the extended valve cover, and the lip-shaped ring is arranged between the valve rod and the extended valve cover and is positioned between the graphite packing group and the valve body; the lip-shaped ring comprises a cobalt-based alloy and PTFE (Polytetrafluoroethylene), and the cobalt-based alloy is coated with the PTFE. Compared with the prior art, the butterfly valve has the advantages that by arranging the lip-shaped ring and the graphite packing set, double sealing of the valve rod is achieved, the low-temperature sealing performance between the valve rod and the extension valve cover is enhanced, and the probability of sealing leakage at the low temperature is reduced.

The invention relates to the technical field of cable sealing, and particularly discloses a cable sealing device suitable for a transmitter, the cable sealing device comprises an upper sealing frame, a lower sealing frame and a fixing frame, the bottom of the upper sealing frame is provided with a connecting convex block, the top of the lower sealing frame is provided with a connecting groove matched with the connecting convex block, and the connecting convex block is connected with the fixing frame. A fixing frame is arranged on the front face of the upper sealing frame and the front face of the lower sealing frame, and the periphery of the interior of the fixing frame is in threaded connection with the interior of the upper sealing frame and the interior of the lower sealing frame through connecting screws. The upper sealing frame and the lower sealing frame are matched through the connecting convex blocks and the connecting grooves of the upper sealing frame and the lower sealing frame, the upper sealing frame and the lower sealing frame are fixedly connected through the connecting screws on the fixing frame, and the sealing effect of a cable at a transmitter is effectively ensured; the first sealing pressing block and the second sealing pressing block are matched with the first sealing gasket and the second sealing gasket, pressure can be adjusted according to the diameter of the cable, and double sealing of the surface of the cable is achieved.

The utility model discloses a kind of high sealing liquid crystal display applied to two-wheeled vehicle in the technical field of display table, the screen body includes front screen and the rear cover of front screen cover, the end surface of the front screen and the rear cover cover end is equipped with annular groove, the front screen is equipped with annular protrusion with annular groove cooperation, the surface of the annular protrusion is coated with a layer of waterproof glue one, the outer wall of the rear cover is equipped with a step groove, the step groove is along rear cover, the outer wall of the front screen is equipped with the extension piece with step groove cooperation, the rear cover is further equipped with the sealing assembly for sealing the front screen and the rear cover cover place, effectively solve the problem that liquid crystal display table has high sealing in background art.

The utility model discloses a multilayer sealing butterfly valve convenient to assemble, which comprises a valve body, a butterfly plate is rotatably arranged in the valve body, a rotating rod and a control handle which correspond to the butterfly plate are rotatably arranged on the valve body, connecting pipes are inserted into two ends of the valve body, and the two connecting pipes are fixedly arranged in the valve body through fixing mechanisms. The device comprises two connecting pipes, sealing gaskets are fixedly arranged on the outer walls of the two connecting pipes in a sleeving mode, conveying pipes are inserted into the two connecting pipes, sealing ring plates are fixedly arranged in the two connecting pipes, the two conveying pipes are arranged on the two sealing ring plates in a pressing mode respectively, and tensioning mechanisms corresponding to the conveying pipes are arranged on the two connecting pipes. The pipeline connecting device can adapt to connection of conveying pipelines with different thickness requirements, the pipelines and butterfly valves can be conveniently and rapidly assembled, the adaptability of the device is greatly improved, double sealing is carried out on assembled gaps, and the problem of water leakage is avoided.

The utility model discloses a deodorization ball for shoes, which comprises two groups of deodorization balls which can be freely assembled and disassembled. The diverging disc can freely control the diverging of the deodorizing substances; the disassembly and assembly part comprises a set of disassembly and assembly structure arranged on each of the inner ring and the outer ring of the diverging disc. Due to the fact that the two sets of deodorization balls are arranged and can be freely disassembled and assembled, and the two sets of deodorization balls are connected through the traction rope in a traction mode, when the deodorization device is used for conducting deodorization on shoes, the deodorization balls can be separated and placed in the respective shoe cavities, and therefore deodorization operation on a pair of shoes is achieved. After deodorization is completed, the deodorization balls can be taken out of the shoe cavities through the traction rope, then the two sets of deodorization balls are combined through the disassembly and assembly piece, storage of the deodorization balls is completed, and it can be guaranteed that the deodorization balls cannot be lost. And the disassembly and assembly parts of the inner ring and the outer ring are matched for use, so that double sealing of the deodorization ball can be realized, and the service life of the deodorization ball is effectively guaranteed.