25results about How to "Improve leak-proof effect" patented technology

The utility model discloses a kind of vacuum pump formula pressing make-up pens, including pen body, pen head, pen cap, pen body is equipped with inner bag, pen body inside one end is equipped with the vacuum pump structure connected with inner bag, first leakage prevention component is equipped between vacuum pump structure and inner bag, second leakage prevention component that the vacuum pump structure cooperates with is equipped in pen head, second leakage prevention component is connected between vacuum pump structure by connecting piece, pen body outer end is equipped with button, extrusion sleeve corresponding with button is equipped in inner bag, by setting the vacuum pump structure that cooperates with inner bag in pen body, when pressing, the air of inner bag is discharged by vacuum pump structure, and make extrusion sleeve movement extrude liquid, to effectively avoid liquid pollution, ensure the storage time and quality of liquid, in addition, by the first leakage prevention component between vacuum pump structure and inner bag and the second leakage prevention component set in pen head, double-layer leakage prevention structure is formed, can strengthen liquid leakage prevention effect.

This utility model discloses a wear-resistant automotive steering gear, comprising a main body, with steering tie rods fixedly mounted on both sides of the main body. A leak-proof bellows is sleeved on the outer side of each steering tie rod, with one side of the leak-proof bellows fixedly installed to the side of the main body. Outer annular plates are fixedly connected to both ends of the outer side of the main body, and a fixing sleeve is provided on the outer side of one end of the leak-proof bellows. This wear-resistant automotive steering gear achieves stable horizontal fixation of one end of the leak-proof bellows through a snap-fit ​​structure between the limiting plate on the inner side of the fixing sleeve and the limiting groove on the outer annular plate. This design effectively resists horizontal displacement caused by vibration and impact during vehicle operation, significantly improving fixation stability. The sealing gasket fixedly connected to the inner wall of the irregular groove and the tight fit design with the outer surface of the leak-proof bellows form a reliable sealing interface, effectively preventing oil leakage from the fixing point and further enhancing the leak-proof effect.

The utility model belongs to the technical field of constructional engineering, and particularly relates to a leakage-proof island-wall-penetrating bored pile casing which comprises an outer casing body, an inner casing body, an inner casing body and an outer casing body. A fixing assembly is arranged at the top end of the outer cylinder and comprises a fixing ring, a connecting plate and a fixing cone. The fixing ring surrounds the outer wall of the top end of the outer cylinder, the connecting plate is connected with the side wall of the fixing ring, and the fixing cone is detachably connected with the connecting plate; the inner cylinder is detachably arranged in the outer cylinder, and the outer wall of the inner cylinder is in sliding connection with the inner wall of the outer cylinder; the pile casing is fixed in the hole through the fixing assembly, and the situation that the pile casing slides downwards to cause mud to flow out and damage the hole is avoided.

A disposable absorption article comprises a liquid-permeable surface layer, a liquid-tight bottom layer and an absorption core, a pair of leakage-proof partition edges are arranged on the two transverse sides of the skin side of the liquid-permeable surface layer, each leakage-proof partition edge comprises a fixing part and a free part capable of being erected, and each fixing part comprises a transverse fixing area and a longitudinal fixing area. The transverse fixing area comprises a first bonding area and a first non-bonding area, the leakage-proof partition edge of the first bonding area is bonded with the liquid-tight bottom layer, the leakage-proof partition edge of the first non-bonding area is not bonded with the liquid-tight bottom layer, and the transverse outer side edge of the first non-bonding area is located on the inner side of the transverse outer side edge of the first bonding area. The longitudinal outer end edge of the first non-bonding area is located on the inner side of the longitudinal outer end edge of the first bonding area. The non-bonding area forms an excrement buffering space between the leakage-proof partition edge and the bottom layer, so that the leakage-proof effect is improved.

The utility model relates to a subpackaging bottle technical field especially, relate to a leakproof atomization subpackaging bottle, the utility model discloses its mainly comprises bottle body and atomization spray head, and the bottle mouth department of bottle body is additionally provided with bottle body anti -drop ring under the female screw body, and the bottle cover of atomization spray head is additionally provided with spray head anti -drop ring under the male screw body, so that the spray head anti -drop ring of atomization spray head inboard will be forced to cross the bottle body anti -drop ring of bottle mouth department after atomization spray head is sleeved to the bottle mouth department of bottle body through the threaded connection mode, and the axial position of atomization spray head is locked through this mode, and the rotation action required for hindering atomization spray head slip silk is carried out, thereby avoiding the slip silk phenomenon, and the leakproof effect is better.

The aromatherapy bottle comprises a bottle body, a bottle cap and a leakage-proof assembly arranged at an opening of the bottle cap, and the leakage-proof assembly comprises a first-stage sleeve, a first-stage sealing cylinder, a second-stage sleeve and a second-stage sealing cylinder which are sequentially connected downwards. The anti-leakage aromatherapy bottle has the advantages that double anti-leakage protection is achieved, the inverted two-stage anti-leakage aromatherapy bottle is of a double-layer anti-leakage structure, and when the aromatherapy bottle is in a normal upright state, aromatherapy liquid is normally volatilized through the volatilization core; when the bottle falls down or inclines, the inverted leakage-proof ball can seal the two cavities by means of gravity, and liquid leakage is prevented. The double leakage-proof mechanism obviously improves the leakage-proof effect, and meanwhile, the volatilization effect of the aromatherapy liquid is not influenced.

The utility model relates to the field of post-cast strip construction devices, in particular to a construction joint post-cast strip construction leakage-proof device which comprises a leakage-proof plate, the section of the leakage-proof plate is in an isosceles trapezoid shape, arc chamfers are arranged on the edges of the bottoms of the two inclined faces of the leakage-proof plate, the leakage-proof plate is transversely arranged on a post-cast strip and right faces a post-cast strip metal water stop plate, and the leakage-proof plate is connected with the post-cast strip metal water stop plate. Placement holes are symmetrically formed in the bottom of the leakage-proof plate, and longitudinal limiting pieces are mounted in the placement holes; the longitudinal limiting piece comprises rectangular plates symmetrically and fixedly installed on the lower end face of the leakage-proof plate, a guide rod is welded between the two rectangular plates, the outer wall of the guide rod is sleeved with movable columns, a reset spring is installed on the outer wall of the guide rod and located between the two movable columns, and a threaded pipe is installed at the concentric position of the top of each movable column. Through holes are symmetrically formed in the end face of the top of the movable column with the axis of the threaded pipe as the symmetry axis, an adjusting sleeve is connected to the outer side of the threaded pipe through threads, and the anti-leakage device has the advantages of being high in installation stability and good in anti-leakage effect.

The utility model discloses a roof drainage and steam exhaust structure, including roof and parapet, the parapet sets at the four -around department of roof, still includes drainage and steam exhaust subassembly and waterproof subassembly, the waterproof subassembly is attached at the surface department of roof and parapet, and drainage and steam exhaust subassembly installs on the surface of waterproof subassembly, drainage and steam exhaust subassembly includes drainage module and steam exhaust module, the drainage module is installed on the roof, and the steam exhaust module is installed on the parapet, this roof drainage and steam exhaust structure can drain and steam exhaust to roof through drainage module and steam exhaust module, and the drainage and steam exhaust mechanism at drainage module and steam exhaust module is convenient for the water that accumulates to enter into the flow guide groove, and then discharges roof, can make the water vapor in the gutter convenient for dispersing out the gutter simultaneously, reduces the water vapor content of roof, and then improves the waterproof performance of roof.

A disposable absorbent article having a transverse axis X and a longitudinal axis Y. The disposable absorbent article comprises a liquid-permeable surface layer, a liquid-impermeable bottom layer and an absorbent core, the disposable absorbent article further comprises a wing portion, the wing portion comprises at least one main wing panel, at least one first auxiliary wing panel and at least one second auxiliary wing panel, the first auxiliary fin extends along a first imaginary line and has a first angle of the first imaginary line relative to the transverse axis X. The second auxiliary fin extends along a second imaginary line and has a second angle of the second imaginary line relative to the transverse axis X. The first auxiliary wing piece and the second auxiliary wing piece which have a certain inclination degree relative to the transverse axis are arranged on the basis of the main wing piece and are used in cooperation with the fixing area, the upper portion, the middle portion and the lower portion are jointly positioned, the area of the wing portions fixed to the surface of the underpants is increased, the fixing effect of the wing portions is guaranteed, and the phenomena of displacement, wrinkling, turnover and the like of the sanitary towel are avoided. And the leakage-proof performance of the sanitary towel is further improved.

The utility model relates to the technical field of drainage pipes, and discloses a water leakage prevention drainage pipeline which comprises a U-shaped drainage pipe, a maintenance pipe is integrally constructed at the U-shaped turning position of the U-shaped drainage pipe, the lower portion of the maintenance pipe is in threaded connection with a blocking cover, and a first annular sealing gasket is arranged at the joint of the bottom face of an inner cavity of the blocking cover and the bottom end of the maintenance pipe. A first annular step is constructed outside the upper side of the overhaul pipe, a second annular sealing gasket is arranged at the joint of the bottom of the first annular step and the top end of the blocking cover, the first annular step is sleeved with a torsional spring, a second annular step is constructed outside the upper side of the first annular step, and an upper check block is integrally constructed at the step position between the first annular step and the second annular step. An outer convex ring is integrally constructed on the outer wall of the upper part of the maintenance pipe; and a lower baffle block is integrally constructed at the step of the outer convex ring and the maintenance pipe. According to the utility model, double sealing is realized, the sealing effect is better, and the anti-loosening capability of the blanking cap is improved by utilizing the torsion spring.

The utility model discloses front and back leakage prevention pants type pull-ups. The front and back leakage prevention pants type pull-ups comprise a pull-ups body and a port belt area arranged at the top end of the pull-ups body. The leakage-proof mechanisms are arranged on the inner walls of the front end and the rear end of the pull-up pants body and comprise leakage-proof nets arranged on the inner walls of the pull-up pants body, integrated net end belts are arranged at the two ends of each leakage-proof net, installation structures are arranged between the net end belts and the pull-up pants body, a plurality of rubber bands are evenly distributed on each leakage-proof net in the length direction of the leakage-proof net, and the rubber bands are arranged on the inner walls of the front end and the rear end of each leakage-proof net. The anti-leakage mechanism is located at the bottom of the port belt area, and the installation structure comprises a fixed base installed on the inner wall of the pull-up pants body in an embedded mode and a silica gel base fixed to the side face of the net end belt in a glued mode. Due to the design that the special leakage-proof nets are additionally arranged on the front portion and the rear portion of the pull-up pants, the leakage-proof performance of the pull-up pants is remarkably improved, particularly the leakage-proof capacity in the front-back direction is remarkably improved, urine is effectively prevented from leaking in the front-back direction, and the use comfort and safety of the pull-up pants are improved.

The utility model relates to the technical field of electronic atomization equipment, and discloses an electronic atomizer capable of preventing tobacco tar from leaking, which comprises a tobacco rod, a power indicating lamp arranged on the outer wall of the tobacco rod, a suction nozzle arranged above the tobacco rod, an assembling component arranged on the inner wall of the tobacco rod, a suction port arranged on the outer wall of the suction nozzle, a tar-leakage-preventing component arranged inside the suction nozzle, and a tar-leakage-preventing component arranged on the upper portion of the tobacco rod. The oil leakage prevention assembly comprises oil absorption cotton, the outer wall of the oil absorption cotton is arranged in a suction nozzle, an oil box is arranged on the lower side in the suction nozzle, an atomizer body is fixedly connected to the lower surface of the oil box, and a filter plate is arranged on the inner wall of the oil box. When a user inhales, the air pressure in the suction nozzle is reduced, the elastic column contracts to drive the sealing gasket to be separated, the oil outlet pipe starts to atomize tobacco tar, the air pressure is recovered after suction is stopped, the elastic column pushes the sealing gasket to block an oil way, and the oil suction cotton adsorbs spilled oil to prevent leakage, so that the effects of improving the leakage-proof effect, preventing the tobacco tar from being in contact with the oral cavity of the user and improving the use safety and cleanliness are achieved; and the atomization process is stable without leakage.

This utility model discloses a leak-proof device for the feed inlet of a shot blasting machine, comprising: a hook-type shot blasting machine, wherein a traveling hook is movably mounted on the hook-type shot blasting machine; a clearance groove, formed in the top of the hook-type shot blasting machine, wherein a guide groove plate is fixedly connected to the top of the clearance groove, and the inner side of the guide groove plate is hollow; a servo motor, installed on the top of the hook-type shot blasting machine, wherein a baffle turntable is fixedly connected to the motor shaft of the servo motor, and a mating groove is formed through the baffle turntable. This application, by setting the baffle turntable to cooperate with the guide groove plate, allows the baffle turntable to shield the top of the guide groove plate when the traveling hook passes through the mating groove, using the turntable's own structure to prevent steel shot from splashing from the clearance groove. The sealing structure of the baffle turntable is more compact, making it difficult for steel shot to penetrate, significantly improving the leak-proof effect and reducing steel shot waste; the mating groove always corresponds to the position of the hook, avoiding sealing gaps caused by hook movement, achieving dynamic sealing, and further preventing steel shot splashing.

The utility model discloses a beverage flat cup cover with a good leakage-proof effect, which comprises a cup cover main body, a cup cover cover, a cup cover cover and a cup cover cover, the boss is arranged on one side of the top of the cup cover body, a bayonet is formed in the boss, and a water drinking opening is formed in the inner side of the bayonet; the flip cover comprises a positioning block and a positioning plate with a drinking opening clamping block, the positioning block is embedded and clamped in the flip cover clamping groove, the positioning plate is of an n-shaped structure, the positioning plate is arranged on one side of the positioning block in an overturning mode and tightly attached to the top face of the cup cover body and the surface of the boss, and the drinking opening clamping block is clamped in the clamping opening. The beverage cup cover can solve the problems that when a cover on an existing beverage cup cover is plugged on a drinking opening, the cover is prone to loosening and disengaging, beverage spills out, and use is inconvenient.

The utility model discloses an environment-friendly double-layer plastic bag, which relates to the technical field of plastic bags and comprises an outer-layer plastic bag body, a protective layer and a sealing component. An inner-layer plastic bag body is arranged in the outer-layer plastic bag body, the outer-layer plastic bag body is made of an HDPE (High-Density Polyethylene) material, the inner-layer plastic bag body is made of an LDPE (Low-Density Polyethylene) material, and a plastic bag handle is arranged on the outer-layer plastic bag body; the protective layer is arranged on the outer-layer plastic bag body, the protective layer is composed of a plastic layer and a sponge layer, and a waterproof layer and a leakage-proof layer are sequentially arranged between the plastic layer and the sponge layer from left to right; the sealing assemblies are arranged on the inner walls of the two sides of the inner-layer plastic bag body, and each sealing assembly comprises a first connecting mechanism and a second connecting mechanism which are used for sealing the plastic bag. The sealing assembly is arranged, so that reliable sealing guarantee is provided, the plastic bag can be firmly sealed, articles in the bag are prevented from falling off in the carrying or moving process, and the sealing assembly is particularly important for some valuable or fragile articles.

The utility model discloses a leakproof flange sealing connection device, which belongs to the technical field of flange connection and comprises a left flange and a right flange, the left flange and the right flange are respectively provided with a plurality of first bolt holes, first bolts sequentially penetrate through the right flange and the left flange and are screwed through first nuts, and the first nuts are pressed on the end face of the left flange. A head nut of the first bolt is pressed on the end face of the right flange; a plurality of second screw holes are formed in the side wall of the left flange, the axes of the second screw holes are perpendicular to the axes of the first bolt holes, the second screw holes and the first bolt holes are arranged in a one-to-one correspondence mode and communicated, second screws are connected to the second screw holes in a threaded mode, and positioning holes are formed in screws of the first bolts. After the first bolt is screwed down through the first nut, the positioning hole and the second screw hole are coaxial, and the second screw penetrates through the positioning hole. According to the utility model, the sealing connection of the left flange and the right flange has double protection effects of transverse and longitudinal combination, and the connection sealing performance is greatly improved.

The invention provides a leakproof ostomy bag convenient to replace and clean, which comprises a bag body assembly and a sealing mechanism, the bag body assembly comprises an outer lining bag, a collecting bag and an ostomy base plate; wherein the collecting bag is fixedly connected to the inner side wall of the outer lining bag. The hydrocolloid dressing ring is used for absorbing wound exudate and expanding to form a gel barrier so as to improve the leakage-proof performance of the ostomy bag, the expansion characteristic of the hydrocolloid dressing ring can be used for being matched with the quick-release connecting mechanism to form mechanical pre-tightening force, and the sealing performance between the quick-release connecting mechanism and the artificial ostomy is improved; the collecting bag and the stoma base plate are connected through the quick-release connecting mechanism, so that when the stoma bag is replaced, axial stress is replaced with radial stress, or dismounting and mounting force does not directly act on the skin of a patient; or the dismounting force is concentrated in the mechanism; or a dismounting force reduction coefficient is increased; the traction force to the skin is reduced, and the disturbance to the stoma is reduced.

The invention relates to the field of disposable hygienic products, and provides a production method of a leakproof adult paper diaper which comprises a paper diaper body, and the paper diaper body comprises a liquid-permeable top layer, an absorption core layer and a liquid-tight bottom layer which are arranged from top to bottom. The paper diaper comprises a paper diaper body, the paper diaper body is provided with a front end portion located at the front end and a rear end portion located at the rear end, the rear end portion of the paper diaper body is provided with a first leakage-proof piece, the first leakage-proof piece is provided with a first leakage-proof opening with an inward opening, and the first leakage-proof piece can stretch out and draw back in the width direction. According to the leakproof adult paper diaper, the first leakproof piece is arranged at the rear end, the problem that rear leakage is prone to occurring when a woman wears the leakproof adult paper diaper is effectively solved, the first leakproof piece can be telescopically buffered according to the urine amount, the leakproof reliability is further improved, and the technical problem that the leakproof adult paper diaper is poor in rear leakage prevention effect is solved.

This utility model discloses an adult diaper core structure, including: a protective bottom layer, a reinforcing layer, an anti-permeability layer, an absorbent core layer, a one-way permeability layer, an absorbent surface layer, and leak-proof side panels. This utility model relates to the field of diaper technology. The beneficial effects of this invention are: it solves the problems that most existing adult diaper core structures adopt relatively simple layer designs, and the absorbent layer often uses a single material or structure, resulting in limited water absorption speed and amount, making it difficult to meet the needs of long-term or large-volume urine absorption, and urine will excessively accumulate in a certain area. At the same time, there is no anti-reverse permeability structure, which easily leads to reverse permeability. The permeability between the absorbent layer and the surface layer is poor, which easily causes urine to accumulate on the surface layer, affecting the wearer's comfort.

The utility model relates to chemical explosion -proof storage tank technical field, concretely is a kind of chemical explosion -proof storage tank, including collection jar, closure lid and cooling device, closure lid is installed on the top end of collection jar, cooling device is set on the bottom end of collection jar, cooling device includes heat conduction column, and the inside fixed connection of collection jar is connected with heat conduction column, and the inside of heat conduction column is placed with isolating sleeve, and the bottom end of isolating sleeve is equipped with air inlet, and the inside fixed connection of isolating sleeve is connected with drive motor, and the drive end fixed connection of drive motor has fan blade, and fan blade is located in the inside of isolating sleeve, and the outside of isolating sleeve is equipped with air outlet, and air outlet is communicated with the inside of isolating sleeve, and the bottom end fixed connection of drive motor has battery, and battery is located in the inside of isolating sleeve.The utility model, by setting cooling device, can effectively cool storage tank, avoid the temperature influence chemical product in the inside of storage tank, and then reduce the situation that storage tank appears explosion.

The utility model belongs to the technical field of pavilion structures, and particularly relates to a leakproof ceiling openable pavilion which comprises a frame assembly and a ceiling assembly, the frame assembly comprises a supporting column, a base arranged at the bottom of the supporting column, and a top frame and a drainage groove which are arranged at the top of the supporting column; the ceiling assembly comprises a plurality of blades arranged in the cavity, a connecting rod connected with the blades and a power piece installed on the top frame, each blade comprises a body, a cover plate, a water guide plate, a buckle plate and a leakage-proof plate, a waterproof blocking piece is connected to the lower portion of the buckle plate, and a square waterproof rubber strip is arranged between the inner side of the drainage groove and the blades. When the blades are closed, water leakage prevention can be guaranteed, rainwater in the drainage grooves is prevented from permeating into the pavilion from gaps between the blades and the drainage grooves, the water leakage prevention effect is better, a user can still open or close the ceiling according to actual needs, the functions of ventilation, lighting or sun shading and rain shielding are achieved, the user is not afraid of water leakage, and the water leakage prevention effect is good. Installation and debugging are convenient.

This application relates to a spraying device. It includes: a liquid storage mechanism with a liquid storage chamber; an atomizing mechanism disposed within the liquid storage chamber to atomize the liquid; a sealing mechanism with a spray hole and a connecting hole, the connecting hole communicating with the liquid storage chamber and the spray hole communicating with the outside; and a leak-proof mechanism including a leak-proof component, a first sealing member, and a second sealing member. The leak-proof component is disposed within the sealing mechanism and has a first channel and a second channel that are interconnected. The first channel communicates with the connecting hole, and the second channel communicates with the spray hole. The first sealing member is movably disposed within the first channel to close or open the first channel, and the second sealing member is movably disposed within the second channel to close or open the second channel. The first and second channels can be opened simultaneously, and at least one of the first and second channels can be closed. This improves the leak-proof effect of the spraying device.

This utility model discloses a floating seal mounting base and a floating seal assembly, belonging to the field of engineering machinery technology. It includes a static floating seal ring, a dynamic floating seal ring, a static mounting base, and a dynamic mounting base. The static mounting base includes a base, with a static ring cavity formed on the inner side of the base for mounting the static floating seal ring. The outer edge of the static ring cavity is stepped, and an oil hole penetrating the static ring cavity is provided on the outer side of the base. The dynamic mounting base includes a base, with a dynamic ring cavity formed on the outer side of the base for mounting the dynamic floating seal ring. The outer edge of the dynamic ring cavity forms a stepped structure that matches the stepped outer edge of the static ring cavity, and the two stepped outer edges, when assembled, form a stepped gap. An oil hole penetrating the dynamic ring cavity is provided on the inner side of the base. This utility model enhances the flow of lubricating oil inside the floating seal ring by providing oil holes on the two mounting bases, thereby reducing the temperature of the floating seal ring. Designing the gap between the two mounting bases as a stepped narrow slit prevents the intrusion of foreign matter and avoids oil leakage.

The utility model discloses a kind of leakage protection device and frequency conversion cabinet of frequency conversion cabinet, and frequency conversion cabinet includes fan water pipe, fan water pipe includes the bending portion of downward concave, the leakage protection device includes: drain pipe and water collecting tank, at least part drain pipe is sleeved on the outside of fan water pipe, and located below bending portion, drain pipe is equipped with water outlet, water collecting tank is equipped below drain pipe, the top of water collecting tank is equipped with water inlet, water outlet is communicated with water inlet, water outlet is used to drain the liquid in drain pipe to water collecting tank inside. By installing water collecting tank and drain pipe, make drain pipe and leaked coolant drain to water collecting tank, realize the active drainage protection of leakage, improve the leakage effect of frequency conversion cabinet, avoid cooling fluid extravasation damage electrical device in frequency conversion cabinet, improve the security and reliability of frequency conversion cabinet operation, reduce the leakage caused shutdown maintenance. While reducing the unplanned shutdown cost and equipment replacement cost caused by leakage, with remarkable economic benefits.