5 results about "Gaps between teeth" patented technology

The invention relates to oral cavity cleaning equipment which comprises a shell assembly, a liquid conveying mechanism and a cleaning mechanism, the liquid conveying mechanism comprises a liquid pump arranged on the shell assembly and a flow guide pipe connected to the liquid pump, and the cleaning mechanism comprises a grab handle, a driving assembly arranged on the grab handle and a cleaning assembly in linkage with the output end of the driving assembly. The cleaning assembly communicates with the flow guide pipe and is used for stretching into the oral cavity of a user. In the process of using the oral cavity cleaning equipment, a user can stretch the cleaning assembly of the cleaning mechanism into the oral cavity, the oral cavity cleaning equipment is started, and tooth cleaning fluid (such as mixed liquid of water and toothpaste) can be conveyed into the oral cavity of the user from the cleaning assembly through the liquid pump and the flow guide pipe of the liquid conveying mechanism; the driving assembly of the cleaning mechanism drives the cleaning assembly to reciprocate in the oral cavity, so that the tooth surfaces and the gaps between the adjacent teeth can be cleaned, the automation degree of oral cavity cleaning is improved, the operation process of oral cavity cleaning is simplified, and the oral cavity cleaning efficiency is improved.

This utility model provides a tiger whisker-shaped toothpick, relating to the field of toothpick technology, which solves the problem that existing toothpicks have smooth surfaces, making them inconvenient for removing foreign objects from teeth. The toothpick includes a toothpick assembly comprising a shaft, a head, and a silicone threaded strip. The head is fixedly connected to the bottom of the shaft, and both the shaft and the head are provided with silicone threaded strips. The shaft, head, and silicone threaded strip form a shape resembling tiger whiskers. One side of the silicone threaded strip has an irregular serrated shape. With the help of this toothpick assembly, foreign objects in the gaps between teeth are easily removed, reducing damage to the gums and preventing the possibility of disease transmission.

The present application relates to the technical field of anchor excavator, specifically to a kind of anchor excavator pick tooth bit and tooth shank welding equipment, including support assembly, welding assembly, adjusting assembly and auxiliary unit.The present application adopts the welding mode of setting angle inclined support seat cooperation self-rotation, so that the molten filler metal can flow in the groove of tooth shank, improve the coverage of filler metal on the contact surface of tooth bit and tooth shank, and through the contact piece, ensure that the contact surface of tooth bit and tooth shank has sufficient filler metal with set amplitude vibration action, so that the filler metal can be replenished into the gap between tooth bit and tooth shank, reduce the resource waste caused by filler metal overflow, and avoid the problem of partial lack of welding at the connection between tooth bit and tooth shank caused by filler metal overflow, and the connection strength after welding is improved.

This application discloses an oral cleaning device, which includes a brush head, a handle, and an airflow generator. The brush head has a base at one end, and the base has brush bristles and airflow holes on one side. Inside the brush head is a first airflow passage communicating with the airflow holes. The handle is connected to the brush head, and the handle has a second airflow passage connected to the first airflow passage. The airflow generator is located inside the handle, and the airflow output port of the airflow generator is connected to the second airflow passage. The oral cleaning device of this application emits a wealth of fine bubbles from the airflow holes, and the impact generated by the instantaneous collapse and bursting of the fine bubbles cleans the gaps between teeth, enhancing the teeth cleaning effect and further improving the user experience.

Thread forming tool for the chipless production of an internal thread, comprising a shank (20) on which at least one first thread forming tooth (Z) is mounted. 100 ,..., Z n ; Z 200 ,..., Z n ) and a second thread forming tooth (Z 100 ,..., Z n ; Z 200 ,..., Z n ) are provided, wherein the second thread forming tooth (Z) 100 ,..., Z n ; Z 200 ,..., Z n ) relative to a tool longitudinal axis (A) axially to the first thread forming tooth (Z) 100 ,..., Z n ; Z 200 ,..., Z n ) is arranged offset, with between the first thread forming tooth (Z) 100 ,..., Z n ; Z 200 ,..., Z n ) and the second thread forming tooth (Z 100 ,..., Z n ; Z 200 ,..., Z n ) in the axial direction a gap between teeth (Z L ) is provided so that the axial distance between the first thread forming tooth (Z) 100 ,..., Z n ; Z200 ,..., Z n ) and second thread forming tooth (Z 100 ,..., Z n ; Z 200 ,..., Z n ) greater than or equal to twice the thread pitch (P) to be produced, wherein at least two thread-generating areas (60, 70) are provided which are offset from each other in the circumferential direction with respect to a tool longitudinal axis (A) and are arranged around the tool longitudinal axis (a) and wherein groove-generating areas (80, 90) are formed axially upstream of the thread-generating areas (60, 70) through which grooves can be generated in the wall of a workpiece, wherein each thread-generating area (60, 70) is arranged in an axial projection parallel to the tool longitudinal axis behind at least one groove-generating area (80, 90) and has a smaller cross-sectional area in the axial projection than the respective associated groove-generating area (80, 90).