8results about How to "Won't rub" patented technology

The utility model provides an orthodontic silicon rubber case, and belongs to the technical field of oral correction. The orthodontic silica gel sleeve comprises a bone nail and a protective sleeve, the bone nail comprises a threaded nail rod, a neck part, a protective pad and a threaded nail head, the protective pad is installed at the bottom of the threaded nail head, the neck part is installed at the bottom of the protective pad, the threaded nail rod is installed at the bottom of the neck part, threads are arranged on the outer side of the threaded nail rod, and the protective sleeve comprises a sleeve body. The sleeve body is sleeved on the outer side of the threaded nail head, one side of the sleeve body is provided with a notch, the joint of the threaded nail rod and the arch wire is located in the sleeve body, the arch wire is located in the notch, the threaded nail head is extruded in the sleeve body, the orthodontic rubber band is installed on the outer side of the sleeve body, and the bone nail is planted on gingiva and is connected with the orthodontic mechanism through the arch wire. At the moment, the threaded nail head and the joint of the threaded nail head and the arch wire are all located in the sleeve body, so that friction between the inner wall of the oral cavity of the user and the threaded nail head and the joint of the threaded nail head and the arch wire is avoided, and the purpose of protecting the oral cavity of the user is achieved.

The invention relates to the technical field of circuit board detection, and particularly provides equipment and a method for detecting the heat-conducting property of a circuit board. The equipment for detecting the heat-conducting property of the circuit board comprises a rectangular frame, a connecting plate is fixed to the left end of the frame, the right end of the frame is open, a first guide plate and a second guide plate are fixed to the right face of the connecting plate, and the first guide plate and the second guide plate are symmetrically arranged on the two inner sides of the frame front and back. Sliding gaps are reserved between the first guide plate and the two inner side faces of the frame and between the second guide plate and the two inner side faces of the frame respectively, the ends, away from the connecting plate, of the first guide plate and the second guide plate extend out of the right end of the frame, and heating bases capable of sliding left and right are installed on the first guide plate and the second guide plate; the circuit board made of more than two materials is subjected to thermal conductivity detection, so that the purpose of discriminating quality grades is achieved, and the detection effect is improved.

The utility model discloses a plastic lens cutting device capable of automatically collecting materials, relates to the field of plastic lenses, and provides the following scheme aiming at the problem that the existing lenses need to be separated from original parts and collected after being cut, and are troublesome, the plastic lens cutting device comprises a base, a mounting frame is arranged on the base, and a conveying belt is arranged on the inner side of the mounting frame; a first mounting frame and a second mounting frame are arranged on the two sides of the base respectively, a cutting table is arranged on the conveying belt, a cutting piece is arranged above the cutting table, a transmission wheel is arranged on the inner side of the first mounting frame, rollers are arranged above the transmission wheel, a collecting frame is arranged at the tail end of the bottom of the conveying belt, and a collecting wheel is arranged on the inner side of the second mounting frame. The plastic lens receiving device is novel in structure, the third motor drives the receiving wheel to rotate, namely, the receiving wheel rotates to recycle cut plastic lens original parts, the receiving wheel rotates to tension the plastic lens original parts, and then the plastic lens original parts are matched with the stripping inclined plate, so that plastic lenses fall into the receiving frame.

The utility model discloses a drawer, and belongs to the technical field of electrical equipment. The drawer comprises a drawer body, a cover body and two supporting assemblies. A drawer body in the drawer can slide in the direction towards the containing space or slide in the direction away from the containing space through sliding connection between the two sides of the drawer body and the two supporting assemblies. In this way, a user can open and close the drawer by pulling the drawer body. In the sliding process of the drawer body, a gap is always formed between the first matching surface of the drawer body and the second matching surface of the cover body. Therefore, in the sliding process of the drawer body, friction cannot be generated between the drawer body and the cover body, and noise cannot be generated due to the friction between the drawer body and the cover body. Thus, in the use process of the drawer, the drawer can be in a low-noise state all the time, and a user can pull the drawer body with small force to achieve opening and closing of the drawer.

The utility model discloses a high-safety dispensing machine which comprises a dispensing machine body, a protection mechanism is installed on one side of an arm rod of the dispensing machine body, and a rack is fixed to the side, facing the protection mechanism, of a transverse moving mechanism on the dispensing machine body. The protection mechanism comprises a mounting box fixed to one side of the arm rod, a gear is rotationally arranged on the inner wall of the mounting box, the gear can be meshed with the rack, the gear is connected with a protection piece through a transmission mechanism, a penetrating opening is formed in the top of the outer wall of the mounting box, and the rack penetrates through the penetrating opening. The transmission mechanism comprises a first synchronous wheel coaxially fixed to the gear, the first synchronous wheel is connected with a second synchronous wheel through a synchronous belt, the protection part is connected with the second synchronous wheel, a mounting disc is fixed to the outer wall of the second synchronous wheel, the protection part comprises a connecting rod coaxially fixed to the mounting disc, and the connecting rod is connected with the second synchronous wheel through a transmission belt. And a protective sleeve head is fixed at the bottom of the connecting rod. According to the utility model, the dispensing head can be protected, and the safety is improved.

The utility model relates to the technical field of automobile switch control, and particularly discloses an automobile control switch based on a Hall element, which comprises a control panel, a Hall element group mounted on the control panel, a shell mounted on a fixed seat, one end of a deflector rod mounted in the shell, the other end of the deflector rod extending out of the shell, a rotating shaft mounted on the outer wall of the deflector rod, and a Hall element group mounted on the rotating shaft. A sliding block is installed at the bottom end of the shifting rod in the shell, a groove is formed in the sliding block, a magnetic nail penetrating through the sliding block is installed at the bottom of the groove, a sliding groove for the sliding block to slide is formed in the fixing base corresponding to the sliding block, and a control panel is installed at the bottom of the fixing base. And a Hall element group, a main control element and a bus transceiver are mounted on the control panel. The utility model aims to solve the problem that the automobile gear replacement accuracy is influenced by signal interference between a Hall element and a magnet caused by a long distance between the Hall element and the magnet in an automobile switch.

The utility model provides a silicon wafer restoration device. The silicon wafer restoration device comprises a restoration main body; the end part restoration mechanism comprises a lifting assembly and an end part restoration assembly, the lifting assembly is arranged on the restoration main body, the lifting assembly is connected with the end part restoration assembly, the lifting assembly drives the end part restoration assembly to ascend and descend, the end part restoration assembly comprises an end part restoration driving piece and an end part restoration block, the end part restoration driving piece is connected with the end part restoration block, and the end part restoration driving piece is connected with the end part restoration block. An inclined surface which is inclined towards the inclined upper part far away from the end part restoration driving piece is arranged on the end part restoration block; and the side edge restoration mechanism is arranged on the restoration main body, the side edge restoration mechanism comprises a left side restoration assembly and a right side restoration assembly, and the end restoration assembly is located between the left side restoration assembly and the right side restoration assembly. The silicon wafer restoration device can restore the end portion, the left side and the right side of the silicon wafer at the same time, the automation degree is high, compared with manual restoration, the labor cost is saved, and the working efficiency is improved.

This utility model discloses a fully open wearable stereo earphone, including a charging case, an inner tray, earphone bodies, an earphone fixing assembly, and a circuit assembly. The charging case includes an upper box body with a lower box body disposed on the upper box body. The inner tray includes an upper cover, a lower cover and a bonding piece disposed below the upper cover, with the bonding piece fixed to the upper and lower cover respectively. The earphone body is disposed on the earphone fixing assembly, which includes a storage block. A first earphone chamber and a second earphone chamber communicating with the first earphone chamber are disposed on the upper surface of the storage block. The circuit assembly includes a protective shell, which is a cavity structure with an opening at the top and a hollow interior, and has a mounting groove. This fully open wearable stereo earphone adopts a healthy sound solution, combining a wide sound field and a free and comfortable listening experience without intruding into the ears with the convenience of earphones, and does not produce sound leakage.