81 results about "Ear ringing" patented technology

The present invention relates to an annular ring having an annular shape in which a base ring (100) having a hinge tube (110) formed at one end thereof, a rotating ring (200), and a through pin (140) having one end thereof coupled to the other end thereof, and a hidden ring (300) attached thereto, whereby an ornament (400) can be selectively attached. The rotating ring (200) is provided with an inner cut-out groove (210) and a hinge plate (220) forming the outer wall of the inner cut-out groove (210) at one side end part so as to be rotatably coupled to the hinge cylinder (110), and is provided with a clamping latch (230) at the other side end part so as to be capable of coupling the other side end part of the through pin (140), and the hidden ring (300) is coupled to the hinge cylinder (110) at one side end part so as to be capable of clamping the other side end part of the through pin (140). And a free end (320) is formed at the end part of the other side of the rotating ring (200), so that the rotating ring (200) can be selectively accommodated in the inner digging groove (210) along with the rotation of the rotating ring (200), and an annular ear ring capable of playing two styles of the ornament (400) is hung on the hidden ring (300) when the free end (320) is exposed.

1. The name of the design product: ear rings. 2. The use of the design product: ornaments for wearing. 3. The design points of the design product: in shape. 4. The picture or photograph best indicating the design points: perspective view 3.

[Problem] To provide an open-type earphone which does not give a sense of oppression to the ears, makes it easy to hear ambient sound, has high sound insulation properties, and does not leak sound. [Solution] An open earphone (1) is provided with: an earphone main body (2) in which a speaker (5) is built; an acoustic conduit 3 that extends obliquely from the earphone body 2 and is inserted into the external auditory canal 11 of the ear; and earrings (4) attached to the outer surface of the sound conduit (3) in which a first communication path (6) for communicating the speaker (5) with the external auditory canal (11) of the ear and a groove (7) for communicating the atmosphere with the external auditory canal of the ear are formed, and the sound conduit (3) is inclined at an angle of 50-70 DEG with respect to the earphone body (2). The ear ring (4) is formed by integrally connecting two rings (4A, 4B) made of an elastic material, and one end side of each of the two rings (4A, 4B) in the length direction is mounted on the outer side surface of the sound guide tube (3).

The utility model belongs to the technical field of earrings, in particular to an earring plugging structure with a changeable style, a silver needle on an earring can penetrate through the plugging structure, the earring plugging structure comprises an outer sheath, one end of the outer sheath is connected with an inner sheath, the inner side of the inner sheath is connected with a rubber ring, the rubber ring is further connected with the outer sheath, and the inner sheath is connected with the outer sheath. The rubber ring is embedded in the inner sheath, the rubber ring and the inner sheath are flush in the front-back direction, the outer sheath, the inner sheath and the rubber ring are all of an independent split structure, an avoiding cavity is formed in the outer sheath, an avoiding hole communicated with the avoiding cavity is further formed in the outer sheath, and the inner diameter of the avoiding hole is larger than the diameter of a silver needle; the outer sheath, the inner sheath and the rubber ring which are of a split structure are arranged, the inner sheath can be replaced according to the style of a worn earring, so that the earring corresponds to the ear in the front-back direction, the appearance is better, and flexible matching is facilitated; and secondly, the reliability of the plugging structure after connection can be ensured while the use difficulty is not increased.

1. The name of the design product: silicone mold (pet earring). 2. The use of the design product: silicone mold for making earring accessories by dripping glue. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: perspective view 1.

The application discloses a kind of extraction methods for monkey ear ring polysaccharide, belong to extraction process technical field.The application carries out ultrasonic extraction to monkey ear ring using multi-frequency composite ultrasonic device, and the multi-frequency composite ultrasonic device is combined by probe type ultrasonic device and groove type ultrasonic device.Single-factor experiment result of multi-frequency composite ultrasonic-assisted water extraction method for extracting PCBPs is as follows: optimal extraction time 8 min, optimal liquid-solid ratio 30 mL / g and optimal extraction power 510 W, and the result is used as reference to design the value range of three factors in response surface model, and the optimal extraction process parameters of PCBPs are obtained as follows: extraction time 8 min, solid-liquid ratio 32 mL / g, and extraction power 510 W.The final PCBPs extraction rate is 9.90±0.16% under the verification of the process conditions.

The utility model relates to the technical field of fire grate hydraulic cylinders, in particular to a fire grate hydraulic cylinder with a lug ring connecting structure. The fire grate hydraulic cylinder with the lug ring connecting structure comprises a cylinder body, a lug ring and a piston rod, the piston rod is arranged in the cylinder body and provided with a connecting end extending out of the cylinder body, and the fire grate hydraulic cylinder further comprises a connector which is arranged between the piston rod and the lug ring and can be detachably connected. The connector is divided into a first split connector and a second split connector in the moving direction of the piston rod, limiting clamping grooves are formed in the opposite faces of the first split connector and the second split connector in a matched mode respectively, and the connecting end and the connecting head of the lug ring are located and assembled in the limiting clamping grooves. According to the technical scheme, under the arrangement of the split type connector, detachable connection between the piston rod and the lug ring can be conveniently achieved, when the hydraulic cylinder needs to be replaced, forcible entry is not needed, and the maintenance and replacement time can be remarkably shortened.

The utility model belongs to the technical field of Bluetooth earphones, and discloses a rotary Bluetooth earphone convenient for head replacement, which comprises an ear hanging ring, one end of the ear hanging ring comprises a replacement assembly, and the replacement assembly comprises an in-ear earplug attached to the ear hanging ring and an open loudspeaker capable of being used in a replaceable manner. The in-ear earplugs and the open loudspeakers are internally and fixedly provided with female seats, one end of each female seat is provided with a slot, the head is replaced in a rotating mode, the head is designed in two different modes, one is an open OWS design and does not enter the ear canals, discomfort caused by long-time wearing is avoided, a user can hear surrounding sounds, and the earphone is suitable for outdoor activities. One is in-ear design, goes deep into ear canals, effectively isolates external sound, improves tone quality, enhances bass effect and is suitable for bass lovers, one earphone can adapt to various scenes and various crowds through the head interchange mode, and the in-ear earphone and the open earphone can be freely switched.

The utility model discloses an aluminum alloy cable joint, including female joint, male plug, bushing seat and fastening ring, wherein female joint one end is equipped with the bushing seat, and the bushing seat surface is equipped with the interface gap, and the bushing seat screw thread installs in the bushing seat surface, and the fastening ring slidingly sets up in the outside of bushing seat, and the fastening ring is equipped with the slide ear ring, and the slide ear ring slidingly cooperates in the slide guide groove of bushing seat, and the inboard of fastening ring is fixed with the ear piece of sticking. Ear piece is arc structure, and the inner arc surface center deviates from the axle of bushing seat, and ear piece gradually expands arrangement along the rotating direction of fastening ring. The bushing seat is rigid aluminum alloy material with fastening ring, and ear piece is elastic rubber pad material, and the inboard of ear piece and male plug outer surface slidingly abut. This structure can realize the efficient insertion and stable compression of male plug, has the advantages of convenient assembly, compact structure, and firm connection, and is suitable for the application scene of quick connection cable in industrial field or power facility.

The utility model relates to the technical field of piston rod lug ring electroplating shielding tools, in particular to a piston rod lug ring head electroplating shielding tool. According to the technical scheme, the device comprises a first baffle and a second baffle, a locking bolt is installed on the first baffle and penetrates through the center of the first baffle, the end of the locking bolt extends out of the second baffle and is in threaded connection with a locking nut, and an arc plate is fixed to the periphery of the side, close to the second baffle, of the first baffle. A first positioning block and a second positioning block are installed on the locking bolt and located between the first baffle and the second baffle. According to the utility model, the first baffle and the second baffle are used for locking, and the sealing plate is used for sealing the central hole of the earring of the plug rod, so that the side wall of the inner hole and the two side plane side walls can be freely and selectively shielded under the condition of ensuring normal electroplating of the outer arc-shaped side wall of the earring, and electroplating shielding can be carried out at a specified position according to actual electroplating requirements; and the tool practicability is improved.

1. The name of the design product: ear ring set (starfish series). 2. The use of the design product: for decoration, belonging to jewelry. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: assembly state diagram.

The application discloses a core pipe self-adapting guiding and telescopic hydraulic cylinder with self-compensation function, which comprises a cylinder body assembly, a piston assembly, an ear ring assembly and a core pipe assembly. The ear ring assembly comprises an ear ring body and a hydraulic valve, the ear ring body is provided with an oil inlet and outlet hole and a first oil inlet channel, and the oil inlet and outlet hole is communicated with the first oil inlet channel through the hydraulic valve; the core pipe assembly comprises a floating core pipe, a first core pipe, a second core pipe and a guiding device, the floating core pipe, the first core pipe and the second core pipe are sequentially nested, and the guiding device is installed at the front end of the floating core pipe. Through the setting of the oil pipe seat, the second guiding sleeve and the guiding device, the floating core pipe can be effectively protected, limited and supported and guided, so that the floating core pipe is prevented from being damaged due to flexural deformation of the end face caused by back pressure during high-speed reciprocating operation of the hydraulic cylinder, and the safety of the floating core pipe is protected; through the setting of the hydraulic valve, the flow and pressure of the oil in the hydraulic cylinder can be regulated and controlled, so that the telescopic speed of the hydraulic cylinder is adjusted.