37results about How to "Not easy to accidentally hurt" patented technology

The invention provides a punching and threading device which comprises a first tong arm, a second tong arm, a connection structure, a punching pin and a first through hole, wherein the connection structure rotatably connects the first tong arm and the second tong arm which are arranged in a cross mode, divides the first tong arm into a first operation segment and a first work segment and divides the second tong arm into a second operation segment opposite to the first operation segment and a second work segment opposite to the first work segment; the punching needle is formed in the first work segment and provided with a threading hole or a thread groove for conducting threading; the first through hole is formed in the second work segment, is opposite to the punching pin and can allow the punching pin to penetrate through therein. According to the punching and threading device, the threading pin is provided with the threading hole or the threading groove for conducting threading, before punching, a wire or a steel wire can be made to penetrate through the threading hole or the threading groove, after punching is completed, the punching pin brings the wire through the threading hole or the threading groove together with the punching pin, threading is conducted while punching is conducted, compared with a traditional punching and threading device, a penetrating hole is not needed to be searched for after punching is conducted, threading is conducted easily, and work efficiency is high.

A comb is provided with a comb tooth part, a sheath part, a sliding groove (S90), a rotating shaft hole (S931), and fixing holes (S932 and S933), wherein the sheath part is located above the comb tooth part; the comb tooth part is provided with at least five comb teeth for combing at equal intervals; the sheath part is provided with a sheath containing cavity (S99) for containing a knife body; an opening allowing the knife body to be inserted is formed at the right end of the sheath containing cavity (S99); the sliding groove (S90) is located at the right end of the sheath part. A fruit knife is provided with the comb. The comb has the characteristics that the comb can be used for manufacturing a sheath of the fruit knife and is convenient to carry and use; the use is safe; the possibility of accidental injury is low.

The invention discloses a full-automatic welding device for pin shaft welding. The full-automatic welding device for the pin shaft welding comprises a base plate; a power source device, an automatic clamping rotating device and a welding device are arranged on the base board; the power source device comprises an electromagnetic speed controller, a speed regulation motor and a first belt pulley; the automatic clamping rotating device comprises an index plate rotating table, a pneumatic chuck which is arranged in the middle on the upper surface of the index plate rotating table, a second belt pulley and a compression device; the second belt pulley and the compression device are arranged on one side of the index plate rotating table; the welding device comprises a supporting rod and an adjusting support which is flexibly connected with the supporting rod; a welding torch clamp is dynamically arranged on the adjusting support; a welding torch is clamped inside the welding torch clamp. The full-automatic welding device for the pin shaft welding has the advantages of being compact in structure, convenient to operate and automatic in welding, greatly improving the production efficiency, reducing requirements for welders, being high in machining accuracy and enabling mass production to be achieved.

The invention discloses a method for cleaning a semi-closed complex inner cavity casting. The method comprises the following steps that a diamond-shaped mat wood reflection sight glass is manufactured; a hook-shaped pneumatic digger is manufactured; a hook-shaped flexible grinding tool is manufactured; the diamond-shaped mat wood reflection sight glass is placed in an inner cavity of the complex casting according to a mode by which the reflection can be achieved; according to the reflected condition of the diamond-shaped mat wood reflection sight glass, sand bumps with larger sizes and fin defects which are formed in a plurality of dead corners of the complex inner cavity casting are removed by utilizing the pneumatic digger; and grinding and finishing are carried out on residual fine sandbumps, fins and groove defects in the plurality of dead corners of the complex inner cavity casting according to the albedo of the diamond-shaped mat wood reflection sight glass, so that fine cleaning of the inner surface is achieved. According to the method for cleaning the semi-closed complex inner cavity casting, the structural adaptability is high, the reflection is clear, operation is easy,the effects of being efficient and labor-saving are achieved, the surface quality defects of the casting with a complex inner cavity structure can be removed accurately, and the casting is unlikely tobe damaged.

A warped piece comprises a rotary part, a left warped part, a left end part, a convex cylinder, a right warped part, a right bent part and a tine part; a rotary circular hole is formed in the rotary part, and the posture, that the axis of the rotary circular hole of the rotary part is parallel to the ground, of the warped part serves as the posture used for describing the structure of the warped piece through characters; the lower end of the left warped part is connected with the lowest point of the cylindrical face of the rotary part, and the upper end of the warped part is connected with the left end part (S62); the bottom face of the left end part (S62) is connected with the upper end face of the convex cylinder (S63), the lower end of the right warped part (S64) is connected with the lowest point of the cylindrical face of the rotary part (S61), and the upper end of the right warped part (S64) is connected with the left side of the right bent part (S65); and the upper end of the tine part (S66) is connected with the right end of the right bent part (S65), and the lowest point of the lower end of the tine part (S66) is lower than the lowest point of the cylindrical face of the rotary part (S61). The warped piece has the characteristics that the warped piece can be used for manufacturing a scabbard of a fruit knife, carrying and using are convenient, using is safe, and the warped piece is not prone to incidental injury.

The invention provides a punching device which comprises a first forceps arm, a second forceps arm, a punching needle and a first through hole. The connection structure is used for movably connecting the first forceps arm and the second forceps arm which are arranged in a crossed mode, dividing the first forceps arm into a first operation section and a first working section, and dividing the second forceps arm into a second operation section opposite to the first operation section, and a second working section opposite to the first working section. The punching needle is arranged on the first working section and comprises a threading hole or threading groove used for threading. The first through hole is formed in the second working section and opposite to the punching needle, and can allow the punching needle to penetrate through. According to the punching device, the threading hole or threading groove used for threading is formed in the punching needle; before punching, a thread or steel wire can penetrate into the threading hole or threading groove; after punching is finished, the punching needle passes through together with the thread; threading is completed during punching; compared with a traditional punching device, threading holes do not need to be found after punching any more, threading is easy, and the work efficiency is high.

The invention discloses a surgical instrument suitable for clinical stomatology, and relates to the field of clinical surgical instruments. Aiming at the problems that the existing clinical surgical instruments of stomatology are various and not integrated enough, and are easy to cause accidental injury, the following scheme is proposed, which includes A square cylindrical shell, a square frame is fixedly connected between the inner walls of the left and right sides of the square cylindrical shell, and a trachea is sleeved in the square frame, and the inner walls of the left and right sides of the square cylindrical shell are rotatably connected There are gears, a square cylinder is arranged inside the rear side of the square cylinder shell, the upper and lower end surfaces of the front side of the square cylinder are fixedly connected with connecting plates, and the front ends of each connecting plate are rotatably connected with calipers, so The upper and lower sides of the square shell are provided with cavities, each of which is provided with a piston, and the front side of the piston is fixedly connected with a push rod. The device can conveniently hold and extract teeth, is not easy to slip off, is not easy to accidentally injure, and has strong versatility and convenient operation.

The invention discloses a slide block. The slide block is characterized in that the cross section of the slide block (S5) is C-shaped; restrained slide teeth (S52) are arranged on an open part of the slide block (S5); and convex teeth (S51) are arranged on the middle part of the slide block (S5). A fruit knife is characterized in that a switch is locked through the slide block. The slide block can be used for manufacturing a sheath of the fruit knife, has the characteristics of being convenient to carry and convenient to use, is safe to use, and is not liable to cause accidental injury.

The present invention relates to a kind of daily necessities integrating comb and fruit knife, which is characterized in that: it is composed of a comb without handle, a fruit knife with handle, a button device and a slider device, and the comb has a knife cover for inserting the fruit knife , the button device and the slide block device are installed on the comb, after the fruit knife is packed in the knife sheath of the comb, the button device and the slide block device lock the fruit knife simultaneously. This product has the characteristics of easy to carry and use, safe to use, and not easy to accidentally hurt.

This application relates to an intelligent entity exhibition system, which relates to the field of item exhibition, which includes a booth for placing physical exhibits; a camera for receiving preset shooting signals and shooting; a driving device for installing the camera; a signal output module , used to transmit a moving signal; the control unit, connected to the driving device and the signal output module, is used to control the driving device to drive the camera to move to a position corresponding to the moving signal. This application has the effect of improving the exhibition experience of exhibitors.