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120 results about "Ear structure" patented technology

Ear nerve stimulator

The invention discloses an ear nerve stimulator, and belongs to the technical field of biomedical engineering and nerve regulation and control. The device mainly comprises a plurality of flexible patches attached to the ear, ear electrodes arranged according to ear acupuncture points and embedded in the flexible patches, and a stimulator adopting a cross-ear design. And the flexible patch has biocompatibility and adhesion, so that comfortable and stable wearing is ensured. A control unit and a stimulation module are contained in the stimulator shell, and stimulation current parameters can be generated and accurately regulated and controlled. Through flexible fitting and precise acupoint electrode design, the defects that a traditional electrode is uncomfortable to wear, and a stimulation area is fixed and inaccurate are overcome. And the equipment is light and stable due to the ear-crossing structure. A selectable air pump and air bag mechanism further ensures the reliability of electric contact. The device can realize safe, accurate and comfortable ear vagus nerve stimulation, is suitable for treatment and rehabilitation of epilepsy, depression and other diseases, and has a wide application prospect.
Owner:FOURTH MILITARY MEDICAL UNIVERSITY

System and method for determining vibration amplitudes of a structural element of the ear

The invention provides a system for determining vibration amplitudes of a structural element of the car. comprising: an acoustic stimulator, configured to generate an acoustic stimulus having an acoustic period to induce vibrations of the structural element: at least one OCT device. configured to measure a measurement signal representative for relative positions of measurement points on the structural element during the vibrations by projecting a measurement beam on the measurement points and to measure a reference signal representative for a motion phase of the structural element by projecting a reference beam on a reference point on the car: and a processing unit. configured to determine vibration amplitudes of the measurement points on the basis of the reference signal and the measurement signal, wherein the projections of the measurement beam and the reference beam are related in time, such that a motion phase represented in the reference.
Owner:ACOUSTIC INSIGHT BV

Children migraine through-ear vagus nerve stimulation therapeutic apparatus

The invention provides a child migraine transaural vagus nerve stimulation therapeutic apparatus, which comprises a controller main body, and is characterized in that a microprocessor chip is arranged in the controller main body and is used for processing signals, controlling stimulation parameters and monitoring working states; the receiver main body is internally provided with a high-sensitivity wireless signal receiving module, is connected with the controller main body and is used for receiving a wireless signal sent by the stimulator, converting the wireless signal into an electric signal and transmitting the electric signal to the controller main body; the interior of the ear canal electrode comprises a protective cylinder and a round head, the round head is arranged in the controller body, the ear canal electrode relates to the technical field of medical instruments, the electrode designed according to the structural characteristics of the ears of the children can be accurately matched with the ears of different children, the accuracy and effectiveness of transaural vagus nerve stimulation are guaranteed, and the safety of the children is improved. The protective cylinder and the round head capable of being adjusted in all directions of the auditory meatus electrode and the auricular conchae electrode are flexibly adjusted through the molding rod, so that the attaching degree of the electrode and the ear is higher, a stimulation signal can be more effectively transmitted to the vagus nerve of the ear, and the treatment effect is improved.
Owner:920TH HOSPITAL OF THE JOINT LOGISTIC SUPPORT FORCE OF THE CHINESE PEOPLES LIBERATION ARMY

Ceramic flat membrane double-sheet resistance type pressure core body

The invention discloses a ceramic flat membrane double-sheet resistance type pressure core body, which belongs to the technical field of pressure sensing, is a flat membrane double-sheet type structure pressure sensing core body, and comprises a ceramic pressure sensing membrane, a Wheatstone bridge, a sealing layer, a ceramic base and a PIN needle, wherein the Wheatstone bridge comprises a strain resistor and a wire, is arranged on the surface of the ceramic pressure sensing diaphragm and is used for converting deformation of the ceramic pressure sensing diaphragm into a voltage signal; the sealing layer is used for sealing the ceramic pressure sensing diaphragm and the ceramic base into a whole; the PIN needle is arranged at the bottom of the ceramic base, is connected with a lead of the Wheatstone bridge and is used for outputting a voltage signal; moreover, the top of the ceramic base is provided with a deformation pit, and the two sides of the deformation pit are provided with double-lug structures. The resistance-type pressure core body is simple in structure, adopts the design of a flat-film double-piece structure, a double-lug structure, a zero-setting-free resistor and the like, and is beneficial to simplifying the production process, reducing the production and manufacturing cost and improving the anti-explosion performance and the pressure sensing sensitivity at the same time.
Owner:DONGGUAN JUDESHOU TECH CO LTD

An assembly device and implementation method for double hinge joint-fork ear structure docking

The present invention discloses an assembly device and an implementation method for the docking of a double-hinge joint-fork ear structure, belonging to the field of aviation assembly manufacturing technology. The device includes a posture adjustment platform, a transmission mechanism, a clamping tool, a sensor component, a connecting structure, a control panel, and a display. The posture adjustment platform is used to support an actuator to implement posture adjustment; the sensor component is used to measure and provide feedback on the relative position relationship between the joint and the fork ear; the transmission mechanism is used to complete the docking of the joint when the joint is aligned with the fork ear; the clamping tool is used to fix and support the actuator, and is connected to the transmission mechanism through a connecting structure, and the other side of the connecting structure is connected to the sensor component. The control panel and the display are used to process the signals uploaded by the sensor component and provide a human-computer interaction interface, which solves the problems of difficult operation, heavy labor load, low efficiency and high risk of structural damage when manually assembling the actuator in the prior art.
Owner:CHENGDU AIRCRAFT INDUSTRY GROUP

Detachable silica gel watchband

ActiveCN224193042UConvenient and efficient disassembly and assembly experienceeasy to operateBraceletsWrist-watch strapsEngineeringSilica gel
The utility model relates to the field of silica gel watchbands, and discloses a detachable silica gel watchband which comprises a watch body, detachable silica gel watchbands are arranged on the two sides of the watch body, a plurality of sets of fixing holes are formed in the silica gel watchbands at equal intervals, an inserting locking nail is fixedly installed at the tail end of the other silica gel watchband, and the other silica gel watchband is fixedly connected with the watch body. The insertion locking nails are used for being inserted into the fixing holes in the corresponding positions, and quick disassembly and assembly are achieved without tools, unlocking can be achieved by drawing the locking blocks through the extending protrusions on the outer sides, and in cooperation with the transverse clamping design of the circular protruding parts and the circular grooves, a user can complete installation and disassembly of the watchband only through one-hand operation; the tedious operation that a traditional spring bar structure needs tools is avoided, and the use threshold is lowered.
Owner:SHENZHEN BEYOUJIA ELECTRONIC TECH CO LTD

Multi-unit electrostatic earphone

The utility model belongs to the earphone field, and specifically relates to a multi-unit static earphone comprising an earphone body, the upper end of the earphone body is fixedly connected with a connecting seat, the inner part of the connecting seat is movably connected with a connecting ball, the upper end of the connecting ball is fixedly connected with a sound production plate, and the outer side of the sound production plate is sleeved with an earplug. A pressure adjusting mechanism is arranged in the earplug, a data line is fixedly connected to the left end of the machine body, two symmetrically-distributed fixing plates are fixedly connected to the bottom of the inner side of the connecting base, sliding rods are slidably connected to the interiors of the fixing plates, and a supporting plate is fixedly connected to the end, close to the connecting ball, of each sliding rod. According to the utility model, the connecting ball, the rubber block, the supporting plate and other structures are additionally arranged in the connecting seat, and the use angle of the earplug can be adjusted through the connecting ball in the use process, so that the angle between the earplug and the earphone body can accord with the ear structure, and the earphone can be worn more stably.
Owner:ZHUHAI SHENGLANG TECH CO LTD

Improvements in or relating to earpieces

An apparatus (1) for detecting ear structure movements or changes, or changes in pressure in the ear-canal (2) of a user, in order to control or affect the function of an associated device, the appara
Owner:EARSWITCH LTD

Or relating to earpieces

An apparatus for detecting ear structure movements or changes, or changes in pressure in the ear-canal of a user, in order to control or affect the function of an associated device. The apparatus includes a sensor apparatus capable of being worn by the user to be located in or adjacent an ear-canal of the user. The sensor apparatus includes at least one sensor being located and configured to detect and capture sensor data relating to middle ear, ear-drum complex, ear-drum margin, and / or other ear structure movements or changes of characteristics, or changes in pressure in the ear-canal of the user. A device is provided for processing and analysing sensor data from the sensor apparatus. The device analyses sensor data concerning: eye movement or directional auditory attention or focus data, and / or voluntary control data.
Owner:EARSWITCH LTD

Earphone with ear hook endurance battery

The utility model provides an earphone with an ear hook endurance battery, which comprises a handle positioned below an earphone head, the bottom of the handle is provided with a charging seat, and the bottom of the charging seat is connected with a charging curved bar which is of a hook-shaped structure and is internally provided with a charging battery. According to the earphone with the ear hook endurance battery provided by the utility model, the charging curved bar with the hook-shaped structure of the rechargeable battery is arranged, so that the problem that the endurance time of the earphone is short is solved, the problem that the earphone is changed into the ear hook structure to share the pressure of the earphone on the ear canal is solved, and a user can use the earphone for a long time without charging midway; and the replacement frequency of the earphone is reduced.
Owner:深圳市唐麦科技有限公司

Improvements in or Relating to Earpieces

An apparatus (1; figure 1) for detecting ear structure movements or changes, or changes in pressure in the ear-canal (2; figure 1) of a user, in order to control or affect the function of an associate
Owner:EARSWITCH LTD

Wristwatch single-section spring bar structure

The utility model discloses a single-section spring bar structure of a wristwatch, which comprises a round straight-through part, a spring bar head and springs, wherein the springs are positioned at two ends in the round straight-through part and are connected with the spring bar head; the two nail mouths are respectively positioned at one ends, which are far away from each other, of the spring bar heads; the section head is positioned between the nail mouth and the spring bar head, consists of two hollow cylinders, and is step-shaped; the auxiliary limiting mechanism comprises a plurality of clamping blocks arranged in the two ends of the round straight-through part, and a plurality of rectangular grooves capable of containing the clamping blocks are formed in the spring bar head in the circumferential direction. According to the auxiliary limiting mechanism, when a spring bar batch is used for pushing a nail mouth and a spring bar head to enter a round straight joint, the clamping blocks enter the corresponding rectangular grooves, auxiliary limiting is achieved, at the moment, the spring bar head is automatically limited, and the round straight joint can be conveniently taken down in the next step; and the situation that clamping and pushing are unstable due to sliding of the spring bar batch under continuous force application can be avoided.
Owner:UNION DEV INDS

Clamping type spectacle frame convenient to disassemble

The utility model provides a spectacle frame structure. The spectacle frame structure comprises a spectacle frame structure, spectacle leg structures, ear hinge structures, leg ear structures and fixing structures, the spectacle frame structure is connected with the spectacle leg structures through the ear hinge structures, the spectacle leg structures are clamped with the leg ear structures, and fixing and dismounting operations are realized through the fixing structures. The spectacle frame structure comprises a spectacle frame, a lens frame, a nose pad, a butt joint frame and a butt joint groove, the spectacle frame is clamped with spectacle lenses through the lens frame, the spectacle leg structure is in butt joint with the ear hinge structure through a limiting groove and a friction layer, a friction block and the friction layer in the fixing structure generate certain friction force, and dismounting and mounting are achieved by rotating a mounting block. The glasses leg rods and the leg ear rods are convenient to replace, and the convenience and stability of disassembly and assembly can be improved through a reasonable fixing structure.
Owner:WENZHOU TENGLONG GLASSES CO LTD

Square lifting lug structure

The utility model discloses a square lifting lug structure which is applied to the field of supporting members and comprises a square sleeve box, mounting screw holes are formed in the two sides of the square sleeve box, a connecting screw tube is in threaded connection with the interior of each mounting screw hole, and connecting lantern rings are in threaded connection with the outer sides of the two connecting screw tubes. The two sides of the two connecting lantern rings are each provided with a pushing through hole, a limiting assembly is inserted into each pushing through hole, and the lower surfaces of the two connecting lantern rings are each connected with a pushing assembly. A pipe fitting inserted into a connecting screw pipe can be positioned through a positioning arc-shaped plate in a limiting assembly, a propelling screw rod can be rotated through an arranged adjusting rotary handle, the propelling screw rod moves in a propelling through groove, a propelling vertical plate pushes a propelling connecting rod and the positioning arc-shaped plate to move towards the interior of a connecting lantern ring, and therefore the pipe fitting can be fixed. And the pipe fitting in the inserted connection screw pipe is positioned.
Owner:NINGBO BANGLAI AUTO PARTS CO LTD

A bra with a V-shaped ear structure

The present invention provides a bra with a V-shaped ear structure, comprising an ear structure, a shoulder strap, and a cup body, wherein the ear structure comprises at least a second V-shaped structure and a support portion, wherein one end of the second V-shaped structure is connected to the shoulder strap, and the other end of the second V-shaped structure is connected to the cup body, the opening of the second V-shaped structure faces the cup body, the second V-shaped structure is connected to the support portion, and the support portion completely covers the through-hole area formed between the second V-shaped structure and the cup body. By arranging the second V-shaped structure at the ear position, the present invention can improve the stability of the ear position structure, avoid causing the cup body to be pulled out of position, and also increase the contact area between the ear structure and the human body, reduce the pressure per unit area of ​​the ear position on the human body surface, and be more comfortable to wear; by arranging the support portion and the through-hole area at the ear position, the stability of the ear position structure can be improved, and the aesthetics of the bra product can also be improved.
Owner:EMBRY (SHANDONG) GARMENTS LTD

Key switch type quick release spring bar structure

The invention discloses a key switch type quick release spring bar structure which comprises a watchband and spring bars, the two ends of the watchband are provided with ear holes, the two spring bars are located in the ear holes of the watchband, the watchband is provided with a pressing groove, a watchband pressing part is placed in the pressing groove, a pressing part spring is arranged between the watchband pressing part and the pressing groove, and the two sides of the watchband pressing part are provided with inclined face grooves. The inclined surface of the spring bar is in contact with the inclined surface groove of the watchband, the spring bar is sleeved with a spring bar spring, a watchband nut is screwed at the opening of the lug hole on the watchband, and the end part of the spring bar is provided with an abutting assembly convenient for automatic adjustment; according to the invention, a user only needs a simple pressing action to realize quick disassembly and assembly of the watchband, the replacement process of the watchband is greatly facilitated, no extra tool or skill is needed, the design of the limiting assembly allows the user to press the watchband button without continuous pressing, the insertion block can automatically lock the position of the watchband button, the operation process is simplified, and the user experience is improved. And the user can perform other operations conveniently.
Owner:深圳市贝伦斯智能穿戴科技有限公司

Auxiliary sleeve and ear clip type earphone

The utility model discloses an auxiliary sleeve and an ear clip type earphone, comprising an auxiliary sleeve which is a hollow semi-enclosed structure with an opening at the upper part; an upper opening of the auxiliary sleeve is a sleeving opening, a middle space of the auxiliary sleeve is a sleeving cavity, and the sleeving opening is used for allowing a shell of the ear clip type earphone to penetrate through so as to be placed in the sleeving cavity, so that the auxiliary sleeve is arranged on the shell of the ear clip type earphone in a sleeving manner; therefore, in the application, the auxiliary sleeve is detachably mounted on the first earphone body or the second earphone body of the ear clip type earphone, and the gap between the two earphone bodies can be correspondingly adjusted by utilizing the structural thickness of the auxiliary sleeve, namely, the clamping gap of the ear clip type earphone is changed, so that the ear clip type earphone is suitable for users with different ear structures, and the application range of the earphone is expanded; secondly, due to the detachable design of the auxiliary sleeve, when the auxiliary sleeve does not need to be used or the auxiliary sleeve is damaged or dirty, the auxiliary sleeve can be taken down from the earphone, so that the auxiliary sleeve is convenient to replace, maintain and clean; the structure is simple, and installation is convenient.
Owner:RISUNTEK INC

A hanging ear structure of a power distribution cabinet

The application discloses an ear structure of a power distribution cabinet, relates to the field of power distribution cabinets, and comprises a bottom plate, one end of the bottom plate is provided with a moving cavity, both sides of the moving cavity are fixedly connected with fixed plates, the surface of the fixed plate is threadedly connected with a limiting rod, the inner wall of the moving cavity is slidably connected with a support frame, the top of the support frame is fixedly connected with a pressing plate, both sides of the support frame are provided with limiting holes, the size of the limiting hole is matched with the size of the limiting rod, both sides of the bottom plate are fixedly connected with side plates, and the surface of the side plate is provided with an adjusting groove. The support frame is slid in the moving cavity, then the limiting rod is inserted into the limiting hole in different positions, the transverse position of the support frame can be adjusted, the size adaptation demand of different power distribution cabinet installation scenes is met, the limiting rod and the limiting hole are threadedly matched, sufficient locking force can be provided, the support frame is prevented from being displaced when being stressed, and the stability of the ear structure is ensured.
Owner:安徽科拓机电设备有限公司

An automatic and flexible docking system for ear-plug structure

The present invention discloses an automatic compliant docking system of an ear-plug structure, comprising a base, and further comprising: a docking feed assembly mounted on the base; a feed seat movably mounted on the docking feed assembly, the feed surface of the feed seat matching the outer wing ear-plug surface; a first bracket rotatably matched on the feed seat, the top surface of the first bracket being a horizontal plane and intersecting with the feed surface; a second bracket located on the upper part of the first bracket, the top of the second bracket having an inclined outer wing placement surface; a compliant mechanism for buffering the force of the second bracket arranged between the first bracket and the second bracket, when in the outer wing mounting working state, the first bracket drives the second bracket to rotate so that the outer wing placement surface is in a horizontal state; when in the outer wing docking working state, the first bracket drives the second bracket to rotate so that the outer wing on the outer wing placement surface is at the ear-plug docking angle. The present invention ensures the stability of the wing mounting and controls the docking angle and posture.
Owner:ZHEJIANG UNIV

Waterproof structure of deformation joint at joint of coal conveying trestle

The utility model discloses a waterproof structure of a deformation joint at a coal handling trestle joint, which comprises a waterproof structure main body arranged at a deformation joint main body formed between a trestle main body and a transfer station main body. The waterproof structure main body comprises two groups of flanging structures with different heights, the two groups of flanging structures are respectively arranged on the close sides of the trestle main body and the transfer station main body, the higher group of flanging structures is provided with a lifting lug structure, and the lifting lug structure is used for being matched with the other group of flanging structures to form a side opening; a U-shaped main waterproof layer is erected in the side opening, and the inner side of the waterproof layer is filled with a blocking material. According to the deformation joint structure, the side opening is formed through the matching of the flanging structure and the lifting lug structure, so that the scouring of washing water carrying pulverized coal on the deformation joint and the treading of personnel on the deformation joint can be reduced, the service life of the deformation joint structure is prolonged, and the possibility that the washing water carrying the pulverized coal leaks from the deformation joint is reduced; and the external facade of the transfer station is prevented from being polluted by leaked water.
Owner:ZHEJIANG ELECTRIC POWER DESIGN INST

Glasses type air conduction hearing aid with sound collector

The utility model provides a glasses type air conduction hearing aid with a sound collector. The glasses type air conduction hearing aid comprises a glasses main body with glasses legs and a receiver, glasses legs of the glasses main body are provided with mounting inner cavities and sound outlets which are formed in the surfaces of the glasses legs and are communicated with the mounting inner cavities; the receiver is assembled in the mounting inner cavity of the glasses leg; the glasses further comprise a sound collector, the sound collector is assembled on the glasses legs, and the sound collector is provided with a sound guide channel and a protruding part protruding and extending towards the inner sides of the glasses legs. The sound outlet of the glasses leg is communicated with the sound guide channel, and the sound outlet of the sound guide channel is arranged at the end part of the lug boss. The air conduction hearing aid is used for solving the problems that a glasses type air conduction hearing aid without an in-ear structure is large in sound transmission loss and privacy is leaked.
Owner:XIAMEN NEWSOUND TECH CO LTD

Miniature self-locking bearing retainer

The miniature self-locking bearing retainer comprises an end ring body, a first window beam, a second window beam and a third window beam are evenly distributed on the end ring body, the first window beam and the second window beam are adjacently arranged and are of a mirror symmetry structure, and the first window beam and the second window beam jointly form a window beam unit. The third window beam is arranged between the adjacent window beam units; an arc-shaped window hole is formed between the first window beam and the second window beam, the upper side of the arc-shaped window hole is open, lug structures on the two sides of the arc-shaped window hole can axially limit the balls, the radial projection of the third window beam falls in the center of the arc-shaped window hole, and the third window beam and the adjacent first window beam and second window beam on the two sides form a cylindrical window hole with the upper side open. Compared with the prior art, the characteristic similar to the design of a single-side opening of an existing window hole is kept, the contact area between the window beam and the balls is reduced, the constraint degree on the balls is reduced, and therefore friction resistance borne by the balls in the moving process is effectively reduced.
Owner:SHANDONG GOLDEN EMPIRE PRECISION MACHINERY TECH CO LTD

Rotary earphone convenient to wear

The rotary earphone convenient to wear comprises an earphone bottom shell, an earphone surface shell, a PCB, a battery, a loudspeaker, an earphone pressing block, an earphone gasket, an earphone fixing piece and an ear hook assembly, the earphone surface shell is buckled on the earphone bottom shell, an installation cavity is defined by the earphone surface shell and the earphone bottom shell, the PCB is arranged in the installation cavity, the battery is arranged in the installation cavity and connected with the PCB, and the loudspeaker is connected with the earphone pressing block. The loudspeaker is arranged in the installation cavity and connected with the PCB, the earphone pressing block is arranged in the installation cavity, the earphone gasket is arranged in the installation cavity and connected with the earphone pressing block in a matched mode, a protruding part is arranged on the earphone gasket, a damping groove is formed in the protruding part, and the earphone fixing piece is arranged between the earphone bottom shell and the earphone face shell. One end of the earphone fixing piece penetrates out of the earphone bottom shell and the earphone face shell, and the other end of the earphone fixing piece penetrates through the earphone gasket to be connected with the earphone pressing block. The earmuff has the advantages of being suitable for ear structures and wearing habits of different crowds, simple in structure, convenient to use and the like.
Owner:SHENZHEN JINGSHI YANNENG TECH CO LTD

Integral casting type offshore box lifting lug structure

The utility model discloses an integrally-cast lifting lug structure of an offshore box, and relates to the technical field of offshore boxes. The lifting lug is integrally formed on the upper end face of the base part, the through hole is formed in the center of the lifting lug, an inclined slope is arranged at the upper end of one side of the lifting lug, and the inclined slope is of an arc-shaped structure; and the offshore box part is arranged at the lower end of the base part, and a locking mechanism is arranged in the offshore box part. According to the lifting lug assembly, the base piece and the lifting lug are of the cast integrated structure, the welding work of the base piece and the lifting lug is omitted, the number of welding beads can be reduced, meanwhile, the flaw detection workload can be reduced, the strength of the whole lifting lug assembly is improved, the lifting lug can be reinforced through the arranged reinforcing ribs, and the service life of the lifting lug assembly is prolonged. And the arranged reset spring and the baffle piece can push the locking plate to be clamped with the connecting groove, so that the position of the connecting piece can be limited, the connecting piece can be prevented from deviating and shaking, and the base piece can be rapidly installed and limited.
Owner:CXIC STAR CONTAINER (QINGDAO) CO LTD

Liquid cooling plate joint hanger

The utility model relates to the technical field of fuel oil automobile and new energy automobile industries, and discloses a liquid cooling plate joint hanger, which comprises a liquid cooling plate body and a mounting plate mounted on one side of the liquid cooling plate body in a clamping manner, and two connecting pipelines are arranged on the mounting plate. A connecting plate structure is installed on the other side of the liquid cooling plate body, two hanging lug structures are arranged on the connecting plate structure in an integrated forming mode, through hole structures are arranged in the hanging lug structures, auxiliary connecting rods are arranged on the hanging lug structures in a penetrating mode through the through hole structures, and the auxiliary connecting rods are connected with spraying fixing rods. According to the liquid cooling plate, the hanging lug structure is arranged on the connecting plate, and the whole liquid cooling plate can be fixed on a hanging tool through the auxiliary connecting rod and the connecting rod assembly which are arranged on the hanging lug structure in a penetrating manner, so that a product is ensured not to shake.
Owner:JIANGSU CHAOLI RADIATOR

Profiling whistle toy

ActiveCN223628076UDollsHand partsHand mouthing
The utility model discloses a profiling whistle toy which comprises a toy shell, an ear structure is movably installed at the position of an upper port of the toy shell, a mouth structure is movably installed at the position of a lower port of the toy shell, and a trigger is movably installed at the position, located on one side of the mouth structure, of the surface of the toy shell. A mounting seat is fixedly mounted in the toy shell, a built-in whistle is fixedly mounted in the toy shell, and a trigger rotating shaft is fixedly mounted in the toy shell and located below the built-in whistle. According to the profiling whistle toy, when the built-in whistle is blown, opening and closing of a dog mouth, swinging of dog ears and the sound length, high pitch and low pitch of the built-in whistle can be controlled at the same time through the trigger, so that the profiling whistle toy is more interesting when being played, and the vividness of the toy is improved; in addition, the air blowing coordination of the hands and the mouths of the children can be exercised.
Owner:刘泽荣

Hard disk video recorder

The utility model provides a hard disk video recorder, which comprises a case, a sliding locking structure and a panel shell, a hanging lug structure used for limiting and installing the panel shell is arranged at an opening in the front side of the case, and the sliding locking structure comprises a sliding assembly and a locking assembly which are arranged in the panel shell. The sliding assembly is provided with a first switching end and a limiting end which are oppositely arranged in the sliding direction of the sliding assembly, and the first switching end is connected with the hanging lug structure. The locking assembly is movably arranged and provided with a locking end, the panel shell is installed at the front side opening of the case in a locked mode under the condition that the locking end moves to be matched with the limiting end in a limiting mode, and the sliding assembly can slide to separate the first switching end from the hanging lug structure under the condition that the locking end is separated from the limiting end. According to the technical scheme provided by the utility model, the locking assembly and the sliding assembly are separately arranged, so that the structural strength is improved and the service life is prolonged on the basis of ensuring the disassembly and assembly reliability, and the reliability and the stability of mounting and locking the panel shell are ensured.
Owner:ZHEJIANG DAHUA TECH CO LTD