287results about How to "Improve drop resistance" patented technology

The invention discloses a hot-melt double-sided adhesive tape and a preparation process thereof, and belongs to the technical field of double-sided adhesive tapes, the double-sided adhesive tape comprises a hot-melt adhesive layer and a release film, and the hot-melt adhesive layer is obtained by coating a hot-melt adhesive on the release film and then drying; the hot melt adhesive comprises the following raw materials in parts by weight: 80-95 parts of matrix resin, 10 parts of tackifying resin and 10-20 parts of modified magnetic boron nitride, the preparation method comprises the following steps: weighing a hot melt adhesive raw material, adding a solvent, preparing a hot melt adhesive solution with the solid content of 20-40wt%, coating one surface of the release film with the hot melt adhesive solution, and drying under the action of an external uniform magnetic field. The hot melt adhesive layer contains modified magnetic boron nitride, and is directionally arranged on the surface of the release film under the action of a magnetic field in the preparation process of the hot melt adhesive layer, so that the interface thermal resistance is reduced, the heat-conducting property of the coating is remarkably improved, and the heat dissipation performance of the lithium battery is improved.

The utility model discloses a shell assembly, a lighting lamp holder and a head lamp device, the shell assembly is applied to the lighting lamp holder, the shell assembly comprises a rear shell, a front shell and a sealing piece, the front shell comprises a first shell and a second shell, the first shell is connected with the rear shell, and the first shell and the rear shell define a containing cavity; the second shell covers the outer side of the first shell and is integrally formed with the first shell; the sealing piece is located in the containing cavity and arranged at the edge position of the first port of the first shell, and part of the second shell penetrates through the first shell and is integrally formed with the sealing piece. The shell assembly in the design has good sealing performance, and the possibility that water vapor enters the interior of the lighting head lamp to burn out electronic components can be effectively reduced.

The invention relates to the technical field of preparation of microcrystalline glass, in particular to lithium metasilicate microcrystalline glass and a preparation method thereof, the lithium metasilicate microcrystalline glass comprises the following components in percentage by mass: 62%-78% of SiO2, 3%-10% of Al2O3, 4%-18% of Li2O, 0-5% of K2O, 0.6%-7.5% of P2O5 and 2%-15% of ZrO2, the value of (SiO2 + Al2O3) / Li2O) is 6-15, the value of Al2O3 / Li2O is 0.7-1.3, and P2O5 + ZrO2 is less than 8%. According to the technical scheme, by designing a proper basic glass material formula, a heat treatment crystallization process system and a chemical strengthening process, the high-strength transparent glass ceramic with lithium metasilicate as a main crystal phase is obtained; the glass has the characteristics of large surface compressive stress, high strength, strong ion exchange capacity, excellent impact resistance, excellent falling resistance and the like, so that the application requirement of the glass as a cover plate on an electronic product is met. The problems that in the prior art, glass ceramics are insufficient in strength and transparency and cannot meet the requirements of electronic device protection glass cover plates are solved.

The utility model relates to the technical field of mobile phone screens, in particular to an anti-falling wear-resistant mobile phone screen, which comprises a main screen, four corners of the main screen are arc-shaped, a plurality of wear-resistant sheets are arranged at the top of the main screen, an outer frame is arranged on the outer side of the main screen, and a side strip is fixedly connected between each two adjacent arc-shaped corners on the outer ring wall of the main screen. The side strip is located in the outer frame, and a shock pad is fixedly installed between the top of the side strip and the bottom of the outer frame. According to the utility model, by designing a specific structure, the anti-falling and wear-resisting properties of the screen are obviously improved. Specifically, the four corners of the main screen are designed to be arc-shaped, so that impact force can be effectively dispersed when the mobile phone falls off, and damage to the corners of the screen is reduced. And meanwhile, the wear-resistant sheet arranged at the top of the main screen can enhance the wear resistance of the screen and prolong the service life. In addition, the stability of the screen is further enhanced through the design of the outer frame and the side strips, the shock pad can effectively absorb impact during falling, and the main screen is protected against damage.

The utility model belongs to the technical field of packaging, and particularly discloses a gift box which comprises a box body, a first folding blocking piece, a second folding blocking piece, two first reinforcing plates, two second reinforcing plates and a reinforcing gasket, the first reinforcing plates and the second reinforcing plates are arranged on the inner side of the box body, the number of the first reinforcing plates is two, and the number of the second reinforcing plates is two. The reinforcing gasket is arranged above the first reinforcing plate and the second reinforcing plate; two first folding separation blades and two second folding separation blades are symmetrically arranged above the box body, the first folding separation blades are matched with the first reinforcing plates, and the second folding separation blades are matched with the second reinforcing plates; the first folding blocking piece comprises a first upper end attaching piece, a first inner side attaching piece and a first limiting inserting piece. The second folding blocking piece comprises a second upper end attaching piece, a second inner side attaching piece and a second limiting inserting piece. The flatness and the tensile force of the appearance are adjusted by additionally arranging the reinforcing gasket, the peripheral pressure resistance is enhanced through the first reinforcing plate and the second reinforcing plate, and therefore the overall anti-falling and anti-pressure capacity is improved.

The utility model discloses an anti-skidding and anti-breaking glass wine bottle which comprises a bottle body, a filling groove is formed in the lower portion of the bottle body, external threads are arranged at the bottom of the bottle body, a bottle bottom is arranged on the lower portion of the bottle body, a filling body is arranged in the center of the bottle bottom, a limiting wall is arranged on the edge of the bottle bottom, internal threads are arranged on the limiting wall, and the bottle body is provided with a plurality of anti-skidding grooves. A groove is formed in one surface, far away from the bottle body, of the bottle bottom; the glass wine bottle has the advantages that the bottle body is protected through the bottle bottom and the protective sleeve, the overall stability of the glass wine bottle is improved, the glass wine bottle is not prone to toppling over, when toppling over occurs, the bottle body falls down, the bottle neck and the bottle body cannot make contact with hard objects or the ground, isolation, cushioning and force absorption are conducted through the protective sleeve, and the glass wine bottle is prevented from falling off. The anti-falling performance is improved; and the safety of the glass wine bottle is protected.

The utility model discloses a battery shell and a battery. The battery shell comprises a bottom plate, a peripheral side plate and a cover plate, the peripheral side plate is annularly arranged on the periphery of the bottom plate and connected with the bottom plate to form a containing cavity with an opening in one end, the peripheral side plate comprises two oppositely-arranged first side plates, each first side plate comprises a first plate part, a second plate part and a connecting part connected between the first plate part and the second plate part, and the first plate part protrudes out of the second plate part; the cover plate and the bottom plate are oppositely arranged, and the containing cavity is sealed by the cover plate. According to the battery shell and the battery provided by the utility model, the first plate part of the first side plate protrudes out of the second plate part to form the step structure, and the step structure is additionally arranged on the side wall of the battery shell, so that the structural strength of the battery shell is enhanced, the anti-falling performance is improved, and the probability that the battery is damaged when the battery falls is reduced. And the internal battery core is extruded by the battery shell to cause the risk of functional disorder.

The present invention relates to the technical field of logistics boxes, and specifically to a logistics carton with a built-in reinforcement frame, wherein two reinforcement frames are arranged inside the carton enclosure, a support plate is fixed between the two reinforcement frames, the surface of the carton enclosure is provided with ventilation holes, the surface of the reinforcement frames is provided with perforations, an assembling plate is inserted into the inner ring surface of the reinforcement frame, a plastic sleeve is fixed on the surface of the assembling plate, and the plastic sleeve is inserted into the ventilation holes; the beneficial effect is: the logistics carton with a built-in reinforcement frame proposed by the present invention, by arranging the reinforcement frame and the support plate inside the carton enclosure, forms a stable frame structure, effectively improves the anti-fall performance of the carton, and prevents deformation or rupture caused by bumps and extrusion.

The utility model discloses a capacity-adjustable goods shelf structure which comprises a U-shaped shelf body, multiple sets of lifting plates are fixedly connected to the two sides of the inner wall of the U-shaped shelf body, a containing plate is installed on the tops of the lifting plates, multiple sets of lantern rings vertically penetrate through the containing plate, inserting shafts are fixedly connected to the two ends of the tops of the lifting plates, and the outer walls of the inserting shafts are connected with the inner walls of the lantern rings in an inserted mode. The front end and the rear end of the lifting plate are fixedly connected with the side plates, a worker holds the handle tightly with two hands, the placing plate is lifted from the original position firstly, then the placing plate is moved to the position above the lifting plate with the appropriate height, then the placing plate is vertically and downwards placed on the lifting plate, and according to the same mode, the placing plate is placed on the lifting plate. The two adjacent upper and lower groups of placing plates are respectively mounted on the lifting plates with different heights, and the distance between the two groups of placing plates can be adjusted, so that the size of the placing space can be quickly changed, the physical strength and time of workers are saved in the process, and meanwhile, the use cost of the goods shelf is also reduced.

The invention discloses low-volatility low-yellowing heat-conducting silicone rubber and a preparation method thereof, and belongs to the technical field of silicone rubber, the low-volatility low-yellowing heat-conducting silicone rubber comprises the following raw materials by weight: 100 parts of base rubber, 8-15 parts of a plasticizer, 3-8 parts of a cross-linking agent, 2-6 parts of a coupling agent, 1-5 parts of a catalyst, 30-50 parts of a flame retardant filler, 80-120 parts of a heat-conducting filler, and 5-10 parts of a thixotropic agent; the base adhesive is one of trimethoxy-terminated polydimethylsiloxane and dimethoxy-terminated polydimethylsiloxane, so that the effect that the cured adhesive still has good strength under the condition that the dosage of the cross-linking agent is reduced is achieved.

The embodiment of the utility model provides a rotating shaft structure and a folding screen terminal, and relates to the technical field of electronic equipment. According to the rotating shaft structure, under the condition that the thickness of the rotating shaft structure is not increased, the mechanical strength of the rotating shaft structure is improved, the anti-falling capacity of the rotating shaft structure is improved, and the reliability of the rotating shaft structure is improved. The rotating shaft structure comprises a shaft cover; a middle door plate; the plurality of swing arm modules are arranged between the shaft cover and the middle door plate; the damping mechanism is arranged between the two adjacent swing arm modules and is used for connecting the two adjacent swing arm modules; and the support comprises a support body, the support body is arranged in a gap formed by matching of the shaft cover and the damping mechanism, and the support is used for fixedly connecting the two adjacent swing arm modules.

The invention provides a preparation method of a cosmetic powder block with a spot dyeing effect and the cosmetic powder block. The preparation method comprises the following steps: preparing a powder block base material: preparing a spot dyeing base material, and mixing the spot dyeing base material with a water-insoluble coloring material to obtain a spot dyeing body; dispensing the dot dye body at a preset position at the bottom of the mold cavity; filling the spot-coated mold with a powder block base material according to a preset amount; freezing and demolding the mixed material body in the mold; freeze-drying the demolded powder master product to obtain a cosmetic powder block with a spot dyeing effect; wherein the powder block base material and the dot dye body have flowability at normal temperature and normal pressure. The cosmetic powder block prepared according to the method can achieve the spot dyeing effect in traditional Chinese style paintings, the edge of a spot dyeing area is clear, the powder block cannot slightly crack in the preparation process, and the drop resistance of the powder block is good.

The present invention relates to a transparent colorless spinel glass-ceramic and its preparation and application. The glass-ceramic contains (Zn, Mg)Al2O4 as a main crystal phase and tetragonal ZrO2 as a secondary crystal phase; it does not contain TiO2, and the oxides contained in terms of molar percentage of oxides satisfy the relationship Al2O3 / (MgO+ZnO)=1.40-2.00; (K2O+Li2O+Na2O+B2O3) / (SiO2+Al2O3)=0.10-0.20; the glass-ceramic is obtained by heat treatment at a temperature not exceeding 800°C. The glass-ceramic has a transmittance of more than 85.0% under light of 550nm wavelength, and an anti-sandpaper drop test is performed on the glass-ceramic using 80-mesh sandpaper. The average anti-sandpaper drop height of the glass-ceramic is greater than or equal to 1.00m; the Vickers hardness is above 800HV, and the fracture toughness of the glass-ceramic is 1.200MPa·m 1 / 2 The present invention can obtain colorless and transparent spinel glass-ceramics with high transparency and excellent mass productivity, and the glass-ceramics can be chemically strengthened to obtain strengthened glass-ceramics with excellent deep stress characteristics.

The invention relates to the technical field of smelting, and discloses a dedusting ash cold-pressed pellet preparation method which comprises the following steps: S1, raw material preparation: firstly preparing required converter dedusting ash or gas ash, putting the raw materials into a raw material bin for use after the raw materials are prepared, and in order to ensure the iron element in the pellet and the stability of the pellet, preparing a raw material bin; wherein the fly ash or the gas ash with the total iron content of 55% is used. The fly ash anti-calcium oxide pellet adhesive has the advantages that after the fly ash anti-calcium oxide pellet adhesive and materials are stirred with water, high adhesion can be generated, a good adhesion effect is achieved, the pellet forming rate, the wet pellet anti-falling performance and the dry pellet compressive strength are improved, and secondly, the fly ash anti-calcium oxide pellet adhesive can be recycled. The fly ash anti-calcium oxide pellet adhesive can also inhibit the pellets from disintegration and pulverization in the drying or placing process, so that the cold strength of the pellets is improved, finally, the forming rate of the pellets is high, the fly ash pellets replace scrap steel to be put into a converter and used as a cooling agent, the reaction temperature in the converter can be reduced, and the whole steelmaking process is more stable.

The utility model discloses a buffering paper packaging box which comprises a main body module. The main body module comprises an outer box body, a balancing weight fixed to the inner bottom wall of the outer box body, a buffering piece fixed to the top end of the balancing weight, a rubber cushion layer fixed to the bottom end of the outer box body, an inner box body arranged in an inner cavity of the outer box body and located at the top end of the buffering piece, a cover plate attracted to the top end of the outer box body through a magnet, and a pressing piece fixed to the bottom end of the cover plate. The outer box body is made of hardboards and used for installing other assemblies and protecting objects, the pull ropes are fixed to the two sides of the outer box body so that a user can lift the packaging box conveniently, the balancing weight is fixed to the inner bottom wall of the outer box body, when the packaging box falls off, the packaging box can vertically fall under the action of the balancing weight, the ground contact area is increased, and impact force is dispersed; the buffering paper packaging box has the advantages of being high in anti-falling performance and high in practicability.

The present invention relates to a lightweight polymer oval cream bottle and a preparation method thereof, which is designed to solve the technical problems that existing similar products rarely use double-layer bottle bodies and double-layer bottle caps, and parallel trimming structures. The bottle body of the cream bottle includes an inner bottle and an outer bottle, and the bottle cap includes an inner cap and an outer cap, and the inner cap has an inner thread connected to the outer thread of the bottle mouth of the inner bottle; the key points are that the inner bottle and the outer bottle of the bottle body, and the inner cap and the outer cap of the bottle cap are respectively elliptical, and the long arc sides on both sides are respectively and symmetrically provided with parallel trimmings, and when the inner bottle and the outer bottle are correspondingly buckled, the inner bottle step edge of the inner bottle is fitted with the outer bottle step groove of the outer bottle, the buckling ribs of the inner bottle are buckled with the buckling groove of the outer bottle, the positioning ribs of the inner bottle are inserted into the positioning groove of the outer bottle, the stop block of the inner bottle is buckled with the inner buckling groove of the stop buckle groove head of the inner cap, the parallel trimmings on both sides of the bottle body and the bottle cap are aligned, the stop block of the inner bottle is buckled with the inner buckling groove of the stop buckle groove head of the inner cap, and the above-mentioned outer cap is an aluminum oxide outer cap.

This invention belongs to the field of lighting equipment technology, and particularly relates to a lamp holder and a flashlight. The lamp holder includes: a front cover, comprising a cover body and a lens integrally formed on the cover body; the cover body has a socket hole, the lens is received in the socket hole, and the peripheral sidewall of the lens abuts against the wall of the socket hole along the radial direction of the lens; a lamp holder housing, having a mounting cavity; the lamp holder housing is connected to the cover body and partially extends into the socket hole so that the lens covers the opening of the mounting cavity; a light-emitting component, disposed at the bottom of the mounting cavity, and projects light toward the lens and generates heat in a conductive state; and a heat dissipation component, received in the mounting cavity and connected to the light-emitting component and the lamp holder housing to transfer the heat of the light-emitting component to the lamp holder housing. The lamp holder provided by this application has strong durability.

The utility model provides a solid-liquid combination type snorting bar which comprises a first suction pipe and a second suction pipe, one end of the first suction pipe and one end of the second suction pipe are fixedly connected with a bottom cover, one end of the first suction pipe and one end of the second suction pipe are fixedly connected with a partition plate, one end of the partition plate is fixedly connected with a lotus-shaped plug, one end of the bottom cover is provided with a magnet groove, and the other end of the bottom cover is fixedly connected with a splice plate. The magnet grooves are internally provided with the metal sheets, the two sides of the bottom cover can be inserted into the magnet grooves through the multiple circular magnets to be positioned and attracted, and the bottom cover is fixedly connected with the magnet grooves through the multiple circular magnets. A user can install suction pipes with different tastes on the two sides of the bottom cover to carry the suction pipes, the suction pipes can be alternately used during use, the situation that the refreshing effect is reduced due to the single taste is avoided, meanwhile, the content can be directly seen through the transparent glass material, the shape is more attractive, the remaining amount of the liquid content can be directly observed, and liquid supplementing and replacing are convenient.

The utility model relates to the technical field of tablet personal computers, in particular to a portable reinforced tablet personal computer which comprises a tablet personal computer body, a display screen is fixedly connected to the front end of the tablet personal computer body, an on-off key is arranged on the upper portion of the right end of the tablet personal computer body, and clamping devices are jointly clamped to the periphery of the outer side of the tablet personal computer body. Protective devices are fixedly connected to the upper part and the lower part of the right end of the clamping device in a penetrating manner, and a hanging rope is fixedly connected to the upper part of the left end and the upper part of the right end of the clamping device; the clamping device comprises a fixing block, movable grooves are formed in the periphery of the outer side of the fixing block, stretching devices are fixedly connected to the periphery of the outer side of the fixing block, and the fixing block is located right behind the tablet personal computer. According to the portable reinforced tablet personal computer, the tablet personal computer is firmly fastened through the clamping device and the protective device, the structure is reliable and effective, the tablet personal computer is used in cooperation with a hanging rope, carrying is convenient, and the use requirements of people can be met.

The utility model discloses an anti-drop waterproof mushroom head antenna, which comprises a radio frequency connector, a radiation antenna oscillator, an injection molding shell and an injection molding sheath, the radiation antenna oscillator is arranged at the upper end part of the radio frequency connector, and the lower end part of the radiation antenna oscillator is convexly provided with a first welding pin; a first welding pin is arranged at the upper end of the radio frequency connector in a protruding mode, a second welding pin is arranged at the upper end of the radio frequency connector in a protruding mode, the first welding pin and the second welding pin are fixedly connected through welding, the appearance of the injection molding shell is of a cone structure, the radio frequency connector and the radiating antenna oscillator are embedded in the injection molding shell, and an opening groove is formed in the middle of the lower end wall of the injection molding shell in a concave mode. The lower end portion of the radio frequency connector is located in the open groove, the injection molding sheath wraps the peripheral wall of the injection molding shell, and the injection molding shell and the injection molding sheath are both integrally formed through injection molding. According to the technical scheme, the anti-falling performance and the waterproof performance of the mushroom head antenna can be greatly improved, and the mushroom head antenna is smooth in appearance, attractive, elegant and high in practicability.

The utility model provides a waterproof and drop-resistant express bag convenient for secondary use. The waterproof and drop-resistant express bag comprises a paper bag body with a bag opening and a tongue opening used for sealing the bag opening, folding handles which can be movably turned out of a bag opening are arranged on the two sides in the paper bag body; the section of the paper bag body sequentially comprises a first functional layer, a paper base material layer and a second functional layer from inside to outside, and the second functional layer is a waterproof layer. The express bag has the advantages that the paper base material layer is matched with the second functional layer, so that the waterproof and anti-falling performance of the express bag can be effectively improved, and the express bag is not prone to being abraded and damaged in the transportation process or in cloudy and rainy days; and meanwhile, after the bag opening is opened to take out the express, the folding handle can be turned out of the bag opening to form a hand bag, so that secondary use of the express bag can be well realized, and resource waste is avoided.

The utility model relates to the technical field of conveying, and discloses a belt conveyor with an anti-falling structure, two transverse frames are fixedly connected to the outer wall of a rack, a conveying belt convenient for conveying plates is arranged between the two transverse frames, and two fixing frames are fixedly connected to the side outer walls of the two transverse frames; the outer walls of the two fixing frames are both connected with adjusting rods in a sliding mode, one side of each adjusting rod is provided with a guide baffle, the guide baffle is fixedly connected with the two adjusting rods, and the outer walls of the fixing frames are provided with limiting assemblies for fixing the adjusting rods. And a good anti-falling effect is achieved, and the application range of the belt conveyor is widened.

The utility model relates to the technical field of gel pens, in particular to a drop-resistant pen point which comprises an ink tube, a connector is fixedly connected to the lower end of the ink tube, a needle tube head is inserted into the bottom of the connector, an anti-collision mechanism is arranged on the side face of the connector and the side face of the needle tube head, and the anti-collision mechanism comprises a second clamping block, a third clamping block and a cushion block. A writing head is inserted into the lower end of the needle tube head, a clamping groove is formed in the writing head, a positioning rod is arranged in the clamping groove, a ball is rotationally connected into the positioning rod, and the upper end of the positioning rod is fixedly connected with the lower end of the needle tube head; the needle tube head is inserted into the lower end of the connector, the second clamping block is clamped into the insertion groove in the inner side of the first clamping block, the top end of the insertion groove supports the upper end of the second clamping block, the needle tube head is prevented from being clamped into the deep position of the connector when being impacted, and meanwhile the structural strength of the needle tube head is improved through the multiple sets of third clamping blocks on the side face of the needle tube head; bending caused by collision is avoided, and therefore the falling resistance of the pen point is effectively improved.

The invention relates to the technical field of interphones, and discloses a high-strength anti-falling interphone, which comprises an interphone, the storage cavity is arranged on the interphone; the antenna part is arranged on the accommodating cavity, an antenna connecting seat is arranged in the accommodating cavity, and the antenna part is inserted into the antenna connecting seat; according to the application, the antenna part can be conveniently extended when the interphone is used, stable transmission of signals is ensured, the antenna part can be automatically retracted when the interphone falls or is impacted by external force, the antenna is prevented from being damaged, and the anti-falling capability and durability of the interphone are improved. Due to the telescopic and self-protection design, the antenna improves the functionality of the interphone, and meanwhile, the safety and long-term reliability of equipment are taken into account. Compared with the traditional antenna design, the design effectively solves the problem that the antenna is easy to damage, and ensures that the interphone can still keep good working performance under the conditions of daily use, extreme drop and the like especially in a high-strength use environment.

The utility model relates to the technical field of video processing systems, and discloses a video processing system with a good heat dissipation effect, which comprises a machine body, the bottom of the machine body is connected with a heat dissipation sheet, two sides of the heat dissipation sheet are provided with support legs, and the tops of the support legs are connected with a protective shell. According to the video processing system with the good heat dissipation effect, the heat dissipation fins are arranged at the bottom of the machine body, the bottom of the machine body can be separated from the placement plane, so that the effect of promoting heat dissipation can be achieved, meanwhile, the supporting legs are installed on the two sides of the heat dissipation fins, the machine body can be supported, and meanwhile through cooperation of the protection shell, the heat dissipation effect is good. The anti-falling performance of the video processing system can be improved, and the service life is prolonged.

The embodiment of the application relates to the technical field of ice making equipment, in particular to an ice maker, which comprises a shell, an inner container, a compressor, a condenser, an evaporator, a first support and a reinforcing piece; the inner container is arranged in the shell and is provided with an ice making area; the compressor is arranged in the shell; the condenser is arranged in the shell; the evaporator comprises a main pipeline, an air inlet pipe and an air outlet pipe; the main pipeline is located in the ice making area; the air inlet pipe is connected between the main pipeline and the condenser; the air outlet pipe is connected between the main pipeline and the compressor; the first support is arranged on the inner container; and the reinforcing piece is connected between the first support and the main pipeline. Since the reinforcing piece connects the main pipeline and the first support arranged on the inner container, when the ice maker falls, the reinforcing piece can fix the position of the main pipeline in cooperation with the first support, so that the stability of the main pipeline is improved, displacement of the evaporator can be avoided as much as possible, and the overall anti-falling performance and stability of the ice maker are improved.

The invention discloses a vacuum vessel and a processing technology thereof. The vacuum vessel comprises an outer shell, an inner shell and a vacuum layer between the outer shell and the inner shell. A suction opening is formed in the bottom of the shell, and an auxiliary part is arranged in the suction opening; the auxiliary part comprises a conical ring, a first conical hole and a second conical hole; the suction port is connected with the end face of the shell through a conical surface; an annular groove is formed in the first taper hole, and the annular groove is filled with a first sealing layer in the contraction direction of the first taper hole; a second sealing layer is filled between the conical ring and the conical surface; the second taper hole is filled with a third sealing layer in the extending direction between the annular groove and the end face of the shell. According to the vacuum cup and the processing technology thereof, the sealing effect of the vacuum cup is better by arranging the multiple sealing layers, better anti-falling performance is achieved when the vacuum cup is impacted or falls, and air leakage of the vacuum layers is prevented.

The invention discloses a tablet personal computer structure with an anti-falling structure, and belongs to the technical field of tablet personal computers. The tablet personal computer structure comprises a tablet personal computer body, and a deformable fixing mechanism is arranged below the tablet personal computer body; a deformable anti-falling mechanism used for supporting and fixing a tablet personal computer body is detachably connected to the upper portion of the deformable fixing mechanism, the deformable fixing mechanism comprises a first anti-toppling bearing plate, and a second anti-toppling bearing plate is arranged above the first anti-toppling bearing plate. The upper surface of the first anti-toppling bearing plate is provided with a deformable limiting supporting piece used for supporting the second anti-toppling bearing plate and adjusting the height of the second anti-toppling bearing plate. Through mutual cooperation of multiple structures, various anti-falling protections are provided for the tablet personal computer body, and through form change of the tablet personal computer structure, the anti-falling performance of the tablet personal computer structure is remarkably improved on the premise that the attractiveness of the tablet personal computer structure is guaranteed, so that the anti-falling effect of the tablet personal computer is better.