168results about How to "Increase bonding area" patented technology

The invention relates to a method for treating an interface between a resin-based composite material and an aviation alloy. The method comprises the following steps: firstly, processing a micro inverted taper hole in a to-be-bonded surface of an alloy, then carrying out surface treatment, then coating a thermoplastic elastic adhesive on the to-be-bonded surface, putting the to-be-bonded surface into a vacuum oven for treatment, taking out the to-be-bonded surface, and carrying out heating, pressurizing and co-curing with a composite material. The micro inverted cone hole can remarkably increase the bonding area of the resin-based composite material and the alloy, and the inverted cone structure can effectively prevent debonding caused by mismatching of thermal expansion coefficients of an adhesive and a metal interface in the temperature change process; the thermal expansion coefficient of the thermoplastic elastic adhesive is between the thermal expansion coefficient of the resin-based composite material and the thermal expansion coefficient of the alloy material, the thermoplastic elastic adhesive has certain flexibility, a buffer layer is formed between the fiber-reinforced resin-based composite material and an alloy interface through the adhesive, and the probability that in the cooling process of the fiber-reinforced resin-based composite material and the alloy, the thermal expansion coefficient of the fiber-reinforced resin-based composite material and the alloy is lowered can be effectively lowered. And the interface thermal residual stress is caused due to the large difference between the thermal expansion coefficients of the two.

The utility model belongs to the technical field of well drilling and workover fishing equipment, and discloses a slip fishing socket. The slip fishing barrel comprises an outer barrel body and a fishing slip located in the outer barrel body, relative displacement is formed between outer spiral sawteeth of the fishing slip and corresponding teeth in the outer barrel body, a first top cutting face is formed at the tail of the outer spiral sawteeth of the fishing slip, and a second top cutting face is formed at the tail of the first top cutting face. And a second top cutting surface is formed at the root part of a tooth corresponding to the outer spiral sawteeth in the outer cylinder body. According to the slip fishing socket, fishes of different specifications and some severely-deformed fishes can be fished, meanwhile, the inventory of blue tiles and spiral tiles is reduced, the number of times of tripping is reduced, and therefore the working efficiency is improved.

The invention discloses an integrally-formed stiffened wall plate with light weight and high overall strength, and a forming mold, a forming method and application of the integrally-formed stiffened wall plate. The invention belongs to the technical field of stiffened wall plates and forming molds thereof. The technical problems that ribs and skin of an existing stiffened wall plate are prone to debonding and failure, so that the overall strength and reliability are poor, and an existing forming mold is not high in flexibility are solved. The lower edge strips integrated with the left vertical ribs and the right vertical ribs are arranged between the adjacent vertical ribs of the stiffened wall plate, and the lower edge strips and the skin are integrated through co-curing. The mold comprises an upper mold, a lower mold, a core mold and two L-shaped molds, the core mold and the two L-shaped molds are located between the upper mold and the lower mold, the core mold is in a right-angle U shape, the upper mold is clamped in a U-shaped opening, the vertical faces of the two L-shaped molds are horizontally and oppositely arranged inwards, and limiting blocks are arranged at the two ends of the vertical faces of the L-shaped molds and used for clamping the core mold. The forming method is convenient, co-curing forming is adopted, and the preparation process is simplified. The stiffened wall plate is applied to aircraft wings, fuselages and air inlets.

The invention discloses an eye implant which comprises an implant body, the implant body is in a strip shape, the outer contour of the upper surface of the implant body is in a protruding arch shape or a semi-arch shape and used for making contact with a sclera, and the lower surface of the implant body is in a plane shape and used for making contact with a choroid; a longitudinal drainage groove is formed in the upper surface of the implant body in the front-back direction of the implant body. The whole implant body is of a structure that the front end and the rear end are gradually thin and the middle is thick or the rear end is gradually thin and the middle is thick to the front end, the implant body can smoothly enter the suprachoroidal space, an originally narrow gap of the suprachoroidal space is expanded, the outflow amount of aqueous humor from the suprachoroidal space is increased through the longitudinal drainage grooves, the drainage effect is good, blocking is not prone to occurring, and the application range is wide. The effect of reducing the intraocular pressure is achieved. The lower surface of the implant body is planar, so that the attachment area of the implant body and the choroid is larger, the implant body can be stably attached to the choroid, the risk of displacement of the anterior chamber and the choroid is reduced, the implant body is prevented from being exposed to the anterior chamber to touch the cornea, and the risk of loss of corneal endothelial cells is reduced to the maximum extent.

A cold plate assembly, a battery pack support structure, a battery pack and an electric device, the battery pack comprises a cross beam and a tray, the cross beam is arranged in the tray and is used for separating an accommodating cavity, a gluing groove extending along the length direction of the cross beam is formed in the cross beam, and the cold plate assembly comprises a cold plate and a partition plate; the cold plate comprises a connecting surface facing the cross beam; the partition plate is connected to the connecting face, used for extending into the gluing groove and suitable for extending in the length direction of the cross beam. The partition plates extend into the gluing grooves of the cross beams, on one hand, the bonding area of bonding glue can be increased, and therefore the strength of bonding the cold plate assembly and the cross beams through the bonding glue is improved; and on the other hand, when the single cavity of the battery pack is in thermal runaway, even if the cold plate moves upwards to swell due to the failure of the adhesive, the displacement of the partition plate can continuously ensure the independence of the two isolated cavities in the battery pack, so that the electrolyte is prevented from flowing between the two cavities, and greater safety accidents are avoided.

The invention relates to the technical field of gluing printing, in particular to a high-temperature-resistant insulating protective film gluing printing technology which comprises a PET film and a PI film, the PET film and the PI film are connected through UV gluing, and the high-temperature-resistant insulating protective film gluing printing technology is implemented through gluing printing equipment. The PET film and the PI film are connected through the UV gluing technology, the PET film is known as good mechanical strength and weather resistance, the PI film has high temperature resistance and insulation performance, the high-temperature-resistant insulation protective film is obtained through combination of the PET film and the PI film, and the stability in the electrical insulation and high-temperature environment is excellent. In addition, PI has the characteristic of high temperature resistance, PET has the characteristic of insulation, and the PI film and the PET film are tightly laminated through UV glue coating, so that the product has the double-layer characteristics of fire prevention and insulation.

The application provides a top cover assembly, a battery and an electric device. The top cover assembly comprises a cover plate and a sealing component. The cover plate is provided with a liquid injection hole. The sealing component comprises a sealing nail and an adhesive member. The adhesive member at least partially surrounds the outer circumferential side of the sealing nail. The adhesive member is adhesively fixed to the inner wall of the liquid injection hole, so that the sealing component seals the liquid injection hole. The top cover assembly has the advantages of good liquid injection hole sealing effect.

A ground structure of a USB board end connector and the board end connector, wherein the ground structure comprises a shielding shell of the USB board end connector and a ground terminal arranged on the shielding shell, a lug directly extended from the shielding shell is arranged on the rear side of the shielding shell, the lug comprises an extension section and an inward bending section, one end of the extension section is connected with the shielding shell, the other end of the extension section is connected with one end of the inward bending section through a first circular arc section; a terminal lug extending outward is arranged on one side of the ground terminal, the lower part of the terminal lug is cut off, and the cut-off part is bent backward to form a stop lug; the inward bending section abuts against the terminal lug and is tightly contacted with the stop lug. The application has the advantage that the ground of the ground terminal is very reliable.

The utility model discloses a packaging piece. The packaging piece comprises a carrier plate; a redistribution layer disposed on the substrate, the redistribution layer including a conductive layer, a dielectric layer disposed on the conductive layer, and a bump disposed on the dielectric layer, the bump connected to the conductive layer via a conductive via penetrating the dielectric layer, the conductive via including an adhesive layer in contact with the dielectric layer, the projection range of the bottom surface of the bump on the dielectric layer is smaller than the coverage range of the bonding layer. According to the technical scheme, higher-strength adhesive force and bonding capacity can be provided at the interface between the bonding layer and the dielectric layer, and the problem of bump inversion or falling off is avoided.

The utility model relates to the technical field of drill rod pin machining equipment, and discloses a punching device for threaded drill rod machining, which comprises a workbench, a mounting frame is fixedly connected to the upper surface of the workbench, a punching mechanism is arranged on the mounting frame, the punching mechanism comprises a hydraulic telescopic rod and a punch, the mounting frame is L-shaped, and the punch is arranged on the mounting frame. The hydraulic telescopic rod is arranged on the lower surface of a transverse block of the mounting frame, the punch is mounted at the telescopic end of the hydraulic telescopic rod, and two positioning blocks are fixedly connected to the upper surface of the workbench. According to the punching device for the threaded drill rod, the size of the positioning arc block is more attached to the size of the threaded drill rod, the punching device can fix the threaded drill rods of different sizes, then the punching device can machine the threaded drill rods of different sizes, the fixing area of the threaded drill rods is increased, and the fixing stability is guaranteed; therefore, the practicability and the flexibility of the threaded drill rod are ensured.

The application discloses a kind of laminated composite intercalation repair methods, belong to laminated composite maintenance technical field.The application uses the way of multilayer intercalation reinforcement patch, significantly increase the bonding area of patch and original laminated laminated composite material, can effectively improve the bonding strength of repair area, so that repair area will not become laminated laminated composite material / member dangerous area;The bonding surface is composed of multiple planes, and adjacent bonding surfaces bear tensile or shear load respectively, and after debonding or damage of a certain bonding surface, the crack will not spread to other bonding surfaces, significantly enhance the damage tolerance of repair bonding area, and further improve the mechanical properties of repair material / member.

The invention relates to the technical field of wind power generation heat dissipation, in particular to a cooling device for a wind generating set. The heat dissipation system is installed in the cabin shell and used for conducting heat dissipation on gearbox oil; the anti-seismic mounting frame part is used for mounting the heat dissipation system on the top in the cabin shell in a suspension manner and buffering vibration in the operation process of the heat dissipation system through seismic resistance; the condensation part is installed outside the cabin of the wind driven generator through the installation part, cooling is carried out through high-altitude air circulation, a fan is not needed, cost is reduced, meanwhile, many problems of installation of the condenser in the cabin are solved, the service life of the gearbox is prolonged, operation and maintenance cost is reduced, the operation rate of the fan is improved, and the service life of the wind driven generator is prolonged. And power generation efficiency and benefits are improved.

This utility model discloses a sound-generating unit, including a diaphragm assembly, a frame, a voice coil, and a centering support. The frame includes a housing connecting the diaphragm assembly, and the housing has a connecting arm extending away from the diaphragm assembly. The bottom end of the connecting arm has an outwardly extending extension arm. The connecting arm connects to the inner peripheral wall of the voice coil, and the bottom surface of the voice coil connects to the extension arm. The centering support includes an inner mounting part, a deformation part, and an outer mounting part connected sequentially from the inside to the outside. The bottom surface of the inner mounting part connects to the extension arm. This sound-generating unit effectively improves the connection stability between the voice coil and the frame, reducing the risk of the voice coil falling off. Simultaneously, the inner mounting part of the centering support is directly bonded to the bottom surface of the extension arm, rather than the outer wall or bottom surface of the voice coil in traditional structures. This avoids the limitation of the bonding area caused by the thickness of the voice coil itself, further enhancing the connection reliability between the centering support and the vibration system. Thus, while increasing the amplitude, it significantly improves the structural stability of the large-amplitude sound-generating unit.

The application discloses a kind of self-sealing inorganic sealing welding LED light source and inorganic sealing welding method, LED light source includes substrate, LED chip and light window, substrate top surface is equipped with electrode layer, welding layer, and LED chip is welded on electrode layer;Light window includes tube shell, lens, and the lower end of tube shell is welded on welding layer;It is equipped with ring cup-shaped light cup around LED chip in tube shell, and the outer side of the bottom surface of light cup is equipped with the positioning gap of opening outward along circumference, and the corresponding position of welding layer is equipped with the positioning dam for cooperating with positioning gap to position light cup, and positioning dam is equipped with the sealing glue for bonding fixed light cup, and part of sealing glue overflow is connected with welding layer and is sealed;Positioning dam includes inner dam, middle dam and outer dam sequentially arranged from inside to outside, and satisfy middle dam height h2>Inner dam height h1≥Outer dam height h3.The application has the advantages of good air tightness and high light extraction efficiency.

The invention provides a wet tissue cover not prone to glue overflowing and a bonding technology, and belongs to the technical field of wet tissue packaging, a circle of anti-overflow groove for preventing glue overflowing is formed in the outer edge of the bottom face of a cover body, a gluing part is formed on the inner side of the anti-overflow groove, and a blocking part is formed on the outer side of the anti-overflow groove; the bonding process comprises the steps of cover feeding and positioning, gluing, bonding, cooling and curing. According to the scheme, the anti-overflow grooves with the two side faces different in height are formed in the gluing part, appropriate pressure is applied when the bottom face of the cover and the wet tissue wrapping film are bonded through optimization of technological conditions and control over the gluing amount, redundant glue is effectively collected in the anti-overflow grooves, meanwhile, the bonding area of the glue is increased, and the gluing effect is improved. Therefore, the problem of glue overflow during bonding of the wet tissue sealing cover is effectively solved, the high quality of a product is guaranteed, and the use experience of a user is remarkably improved.

The utility model belongs to the technical field of tea cabinets, and particularly relates to a novel tea cabinet which comprises a cabinet body, supporting legs are fixed to the bottom of the cabinet body, a partition plate is fixed in the cabinet body, and the cabinet body is divided into a first storage bin and a second storage bin by the partition plate, a lifting partition plate is further arranged in the second storage bin. A mounting groove is formed in the position, away from the second storage bin, of the top of the cabinet body, and a water storage tank is mounted in the mounting groove; and the driving piece is arranged in the second storage bin. The shape and the structure of the cabinet body are designed and optimized, and meanwhile, a plurality of parts such as the lifting partition plate and the driving part are arranged, so that the utilization rate of the internal space of the cabinet body can be improved; in addition, by arranging the water storage tank, the filter plate and other components, the top face of the cabinet body can be kept clean and tidy, tea water and residues can be separated, and subsequent cleaning is convenient. The whole product is simple in structure, easy to implement, stable and reliable.

This utility model discloses a multifunctional artificial field ridge, relating to the field of agricultural facility technology. It includes several main units that interlock along their length. Each main unit has a support leg embedded in the soil at its base, and an arched structure with a downward-facing arc-shaped opening between two legs. Side plates are located on both sides along the length or short side of each main unit. A mulch film fixing clip is attached to the side plate of the main unit, having a slot for fixing the edge of the mulch film. A pre-drilled hole is located on the side plate of the main unit. A pipe fixing clip is also located on the side plate of the main unit, with a buckle inserted into the pre-drilled hole on the side facing the main unit. By integrating multiple functional components such as the mulch film fixing clip, pipe fixing clip, and support fixing block onto the side plate of the main unit, the efficiency of mulch film laying, irrigation pipe installation, and protective facility construction is improved, while significantly reducing on-site construction complexity and the required labor.

The utility model provides a clamping piece for building wall body connection and a building wall body, the clamping piece comprises a U-shaped main body, the U-shaped main body comprises a bottom plate and two parallel side plates; the connecting piece is arranged on a bottom plate of the U-shaped main body, the connecting piece is perpendicular to the bottom plate, the connecting piece and the bottom plate are welded and fixed, and the connecting piece extends in the direction away from an opening of the U-shaped main body. Due to the fact that the bottom plate of the U-shaped body can be directly and fixedly connected with the concrete column through a steel bonding method, the defect that holes need to be drilled in the concrete column in a traditional steel bar planting process is overcome, and the integrity of the frame structure is effectively protected. Due to the arrangement of the U-shaped main body, the welding base surface of the connecting piece is larger, the connecting strength is improved, the bonding area between the bottom plate and the concrete column is larger, and the connection is reliable.

The utility model discloses a sounding unit, which comprises a voice coil and a voice diaphragm, the voice diaphragm comprises an inner fixing part, one side of the inner fixing part close to the voice coil is connected with two annular walls, the inner fixing part and the two annular walls form an accommodating groove for accommodating a top area of the voice coil, and one side of at least one annular wall close to the accommodating groove is provided with at least one convex ring structure. A first glue containing area is formed between the convex ring structure close to the inner fixing part and the inner fixing part, and a second glue containing area is formed below the convex ring structure far away from the inner fixing part. According to the sound production unit, the voice diaphragm is provided with the accommodating groove capable of accommodating the top area of the voice coil, so that the voice coil can be pre-positioned, the assembly consistency of the voice coil and the voice diaphragm is improved, and the production yield is improved; the arrangement of the convex ring structure on the ring wall can form a first glue accommodating area and a second glue accommodating area in the accommodating groove, thereby improving the total amount of the glue solution accommodated in the accommodating groove, further improving the stability of the connection between the voice coil and the voice diaphragm to a greater extent, and further reducing the risk of the separation between the voice coil and the voice diaphragm.

A laser-plasma synergistic surface treatment method for CFRP / titanium alloy heterojunctions belongs to the field of heteromaterial bonding technology. First, nanosecond pulsed lasers are used to etch the surfaces of CFRP and titanium alloy to be bonded, constructing a micro-nano composite structure. Then, atmospheric pressure cold plasma is used to activate the etched surfaces, grafting polar functional groups. Finally, the two are bonded and cured using an adhesive. This invention achieves a dual enhancement effect of "mechanical interlocking" and "chemical bonding" by organically combining "laser etching to construct micro-nano physical structures" and "plasma activation to introduce chemical functional groups," significantly improving the interfacial bonding strength of CFRP / titanium alloy heterojunctions. Compared with single treatment methods, this invention can increase the joint shear strength by more than 38%, and the failure mode changes from interfacial failure to cohesive failure. It has advantages such as environmentally friendly process, good controllability, and significant effects, and has broad application prospects in aerospace, high-end equipment manufacturing, and other fields.

The utility model provides a silica gel repair mortar composite material layer which comprises a composite material layer body, and the composite material layer body comprises a mortar layer, a first connecting keel layer, a second connecting keel layer, a first silica gel layer, a second silica gel layer, a first waterproof layer, a second waterproof layer, a first outer decoration layer and a second outer decoration layer. The first connecting keel layer is arranged between the mortar layer and the first silica gel layer, and the second connecting keel layer is arranged between the mortar layer and the second silica gel layer, so that the bonding area between the mortar layer and the first silica gel layer and the bonding area between the mortar layer and the second silica gel layer are enlarged, and the connecting strength between the mortar layer and the first silica gel layer and the connecting strength between the mortar layer and the second silica gel layer are improved; and the effective structural layer cracks.

This utility model provides a loudspeaker, belonging to the field of acoustics, including a frame with a front cover. The frame includes a frame body, a front cover positioning protrusion on the frame body, and a front cover fixing groove on the frame body. The front cover fixing groove is located on one side of the front cover positioning protrusion, and a fixing claw extending from the front cover to match the front cover fixing groove. This invention increases the mating features between the frame and the front cover, increases the bonding area between the frame and the front cover, and increases the reaction force between the front cover and the frame, ensuring contact between the front cover, adhesive, and frame. The adhesive fully contacts the frame and the front cover, increasing the adhesion between the frame and the front cover, and ensuring that the front cover will not detach due to insufficient adhesion caused by a narrow front cover thickness.

The utility model discloses a sounding unit, which comprises a magnetic circuit assembly, a voice coil, a diaphragm assembly and a framework, the magnetic circuit assembly comprises an upper yoke, a lower yoke, a central magnetic structure and an edge magnetic structure, the central magnetic structure and the edge magnetic structure are respectively arranged on the lower yoke, and the upper yoke covers the central magnetic structure and the edge magnetic structure. The magnetic circuit assembly is provided with a magnetic gap, the magnetic gap surrounds the central magnetic structure, the magnetic gap is located between the upper yoke and the lower yoke, the magnetic circuit assembly is provided with a first magnetic loop and a second magnetic loop which are opposite in direction, the first magnetic loop penetrates through the upper portion of the magnetic gap, and the second magnetic loop penetrates through the lower portion of the magnetic gap. The second magnetic loop passes through the lower part of the magnetic gap; the framework comprises an inner mounting part, a connecting part and an outer mounting part which are connected in sequence, the inner mounting part is connected with the voice coil, the outer mounting part is connected with the transition part, the inner mounting part comprises a connecting plate and an inner side plate located on the inner side of the voice coil, and the connecting plate and the inner side plate are respectively bonded and fixed with the voice coil. The sound production unit is good in acoustic performance, and the skeleton and the voice coil are not easy to separate.

The utility model provides a moving cutter, a cutter head module, a cutter head device and a hair trimmer, the moving cutter is used for being matched with a static cutter and can reciprocate relative to the static cutter, the static cutter is arranged on the outer side of the moving cutter, the moving cutter comprises an arc-shaped shearing part, two transition parts and two fixing parts, the outer side face of the arc-shaped shearing part is used for being attached to the inner side face of the static cutter, and the two transition parts are arranged on the outer side face of the arc-shaped shearing part. Two opposite ends of each transition part are respectively connected with one end part of the arc-shaped shearing part and one fixed part, the distance between the two opposite ends of the arc-shaped shearing part is greater than the distance between the two fixed parts, and the central angle of the arc-shaped shearing part is 135-160 degrees; and / or the arc length of the arc-shaped shearing part is 5mm to 10mm. By arranging the movable cutter with the structure, the central angle of the arc-shaped shearing part is 135-160 degrees; and / or the arc length of the arc-shaped shearing part is 5mm-10mm, so that the fitting area between the arc-shaped shearing part and the static cutter can be increased, the shearing area is increased, and the shearing efficiency is improved.

The invention relates to the technical field of building repairing, in particular to a repairing and reinforcing method for insufficient pasting area of a thermal insulation layer, which comprises the following steps: calibrating a reinforcing position, cutting and slotting, repairing and reinforcing, and backfilling the thermal insulation layer, and specifically, increasing the pasting area of an outer wall and the thermal insulation layer through slotting and grouting. The negative wind load resistance of the heat preservation layer is enhanced by arranging gridding cloth or heat preservation nails, vertical supporting is provided for the heat preservation layer by arranging angle steel, it is ensured that the heat preservation plate can bear the weight of the heat preservation plate and extra loads such as walking of people, and the reinforcing method provides two grooving modes of a through rectangular through groove and a round groove, and point-line combination is achieved; and the repairing and reinforcing effect is comprehensively enhanced in a covering manner.

The utility model discloses a sounding unit, which comprises a basin stand, a front cover, a voice diaphragm and a rubber ring, and is characterized in that the top surface of the basin stand is provided with a first step structure; the front cover comprises an annular frame-shaped mounting part, the bottom surface of the mounting part is provided with a second step structure embedded with the first step structure, and the top surface of the mounting part is provided with a step structure; the sound film comprises a first branch and a second branch, the first branch is in a step shape, and the first branch is located between the first step structure and the second step structure and is in adhesive connection with the first step structure and the second step structure. The second branch comprises a first part bonded with the inner wall of the mounting part and a second part bonded with the step surface of the step structure, the first part is connected with the second part, and a glue accommodating groove is formed between one end, far away from the first part, of the second part and the vertical surface of the step structure; and at least part of the rubber ring is positioned in the rubber containing groove. The sound production unit is stable in structure and good in waterproof effect.

The invention relates to a door and window sealing structure and belongs to the technical field of doors and windows. The door and window sealing structure comprises a frame body, a first partition piece and a second partition piece, the frame body is provided with a heat insulation strip and installed on a wall body, and a first opening right facing the outdoor side and a second opening right facing the indoor side are formed between the frame body and the wall body; the first separator and the second separator are both bonded with the frame body and the wall body, the first separator seals the first opening, the second separator seals the second opening, the first separator has the characteristics of water resistance and air permeability, and the second separator has the characteristics of water resistance and air isolation; wherein the first partition piece, the second partition piece, the frame body and the wall body define a partition cavity, the partition cavity is filled with filler, the projection of the heat insulation strip on the filler is located between the first partition piece and the second partition piece, and the distance between the heat insulation strip and the first partition piece is closer than the distance between the heat insulation strip and the second partition piece. The door and window sealing structure provided by the embodiment of the invention can discharge water vapor between the door and window and the wall body.

The utility model discloses a sounding unit which comprises a basin stand, a voice diaphragm and a front cover, the top surface of the basin stand is provided with an annular groove, and the cross section of the annular groove is rectangular; the voice diaphragm comprises an outer fixing part, the outer fixing part is provided with a concave ring accommodated in the annular groove, the concave ring is provided with two oppositely-arranged enclosure walls, and the voice diaphragm and the basin stand are connected through a first adhesive layer in an adhesive mode; the front cover is provided with a contact ring frame, the bottom surface of the contact ring frame is connected with an annular convex rib, the annular convex rib is embedded into the concave ring, and the front cover is connected with the voice diaphragm through a second adhesive layer in an adhesive manner; one side, close to the annular convex rib, of the enclosure wall is provided with at least one first convex ring structure, a first glue accommodating area is formed between the first convex ring structure close to the contact ring frame and the contact ring frame, and a second glue accommodating area is formed below the first convex ring structure far away from the contact ring frame; and at least one second convex ring structure is arranged on one side, far away from the annular convex rib, of the enclosure wall. The bonding force between the voice diaphragm and the frame and between the voice diaphragm and the front cover is large, and the structural stability is good.

The application relates to the technical field of adhesive tape production, and discloses a conveying device applied to adhesive tape processing and production, which comprises a rewinding conveyor body and winding rollers. A gear disc is rotatably arranged on one side of the rewinding conveyor body. The winding rollers are arranged in multiple numbers and rotatably arranged on one side of the gear disc at equal intervals. The winding rollers are rotatably arranged on one side of the gear disc at equal intervals. When the winding work of the inner cylinder of the adhesive tape on one of the winding rollers is completed, the winding roller is automatically switched by controlling the rotation of the gear disc by a predetermined angle. In the process of switching the winding roller each time, the unwound adhesive tape naturally contacts the surface of the inner cylinder of the adhesive tape on the new station, automatic adhesion is realized by using the adhesion of the adhesive tape itself, the multiple winding rollers can cyclically and alternately enter the winding station through the multi-station gear disc switching mechanism, the contact and adhesion of the end of the adhesive tape and the new inner cylinder of the adhesive tape are synchronously completed in the switching process, and the timing linkage of'switching and adhesion and cutting and separation' is realized.

This utility model discloses a conductive electrode, a dimming film, and a dimming glass. The conductive electrode includes: a flexible circuit board comprising a first cover layer, a second cover layer, and an intermediate conductive layer sandwiched between the first and second cover layers. The intermediate conductive layer has a conductive input section, a circuit section, and a conductive output section. A conductive bonding structure is also included, wherein the conductive output section is bonded and fixed to the electrode mounting area via the conductive bonding structure. The upper surface of the conductive output section is electrically connected to the electrode mounting area via the conductive bonding structure, and the lower surface of the conductive output section is also electrically connected to the electrode mounting area via the conductive bonding structure, or the lower surface of the conductive output section is bonded and electrically connected to the electrode mounting area. In this utility model, any surface of the conductive output section is conductive. The conductive bonding structure electrically connects the upper surface of the conductive output section to the electrode mounting area, effectively improving the peel resistance of the conductive output section and the conductive electrode, and the stability of the electrical connection between the conductive electrode and the electrode mounting area.