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

The invention provides a bullet for shooting liquid ammunition and a device for shooting liquid ammunition. The bullet for shooting the liquid ammunition comprises a shell, a front end closed piece, a terminal closing piece and liquid ammunition, wherein the end of the shell is provided with an ignition device and propellant powder, the front end of the shell is opened, the front end closing piece is arranged at the opening, the liquid ammunition device is arranged between the propellant powder and the front end closing piece, and the terminal closing piece is arranged between the liquid ammunition and the propellant powder. The bullet and the device shoot liquid ammunition, are applicable to the short-distance shooting, and can cause large impact force on the target so as to restrict the movement of the target. Since the destruction of the liquid ammunition is weak, non-fatal attack is led to the target. At the same time, even being rebounded onto the human body, the liquid ammunition is free from injuring the human body, so the liquid ammunition is difficult to injure people surrounding the target by mistake.

The invention discloses a cable reel bracket convenient for loading and unloading and transporting. The cable reel bracket convenient for loading and unloading and transporting comprises a base and two supporting connecting rod assemblies arranged on the left and right sides of the base. Each supporting connecting rod assembly comprises a first supporting connecting rod and a second supporting connecting rod. The first end of the first supporting connecting rod is hinged to the front side of the base, the first end of the second supporting connecting rod is hinged to the back side of the base,the second ends of the first and second supporting connecting rods are hinged to a supporting block, the supporting block is connected to a jack, a support is connected to the upper part of the jack,and the support is used for supporting the shaft end of a cable reel. According to the cable reel bracket convenient for loading and unloading and transporting, it is convenient for a forklift to fork the cable reel and it is unlikely to damage the cable reel mistakenly.

The invention discloses an integrated aquatic plant harvesting and salvaging device which comprises a supporting rod, a harvesting mechanism, a salvaging net and a support. The harvesting mechanism and the salvaging net are fixed to one end of the supporting rod, the harvesting mechanism comprises two harvesting cutters, a bolt, a spring, an operating rod and a fixed pulley fixed to the supporting rod, the bolt sequentially penetrates through the middles of the two harvesting cutters and is fixed to one end of the supporting rod, two ends of the spring are connected to the two harvesting cutters respectively, a connecting rope is connected between the tail ends of the two harvesting cutters, the middle of the connecting rope is connected with a traction rope, the other end of the supporting rod is sleeved with the support, the middle of the operating rod is pivoted to the supporting rod, and the free end of the traction rope surrounds the fixed pulley for one circle and is connected to one end of the operating rod. The integrated aquatic plant harvesting and salvaging device is simple in structure and simple and convenient to operate, meanwhile can perform harvesting and salvaging, does not consume electricity, does not discharge dirt, saves energy, is environmentally friendly, high in usage rate and remarkable in effect, can flexibly and accurately harvest and salvage objects in targeted mode, does not damage other plants mistakenly and can be adjusted in size according to required water area.

The invention discloses a full-automatic edge cutting device for an air conditioner filter. The edge cutting device comprises a bottom plate and a workbench; a through groove is formed in the workbench; a portal frame is connected above the workbench; a pressing air cylinder is arranged on a top beam of the portal frame and is connected with a pressing plate; linear guide rails are symmetrically arranged between the bottom plate and workbench; a mounting plate is glidingly connected between the two linear guide rails and is connected with a cutting motor; a cutting piece is fixedly connected onto a spindle of the cutting motor; a traveling device for driving the mounting plate is further arranged on one side of the mounting plate; a waste slide is arranged on the upper side of the workbench; a clearing air cylinder is arranged on one side of an opening; and a push plate is connected onto a piston rod of the clearing air cylinder. The edge cutting device has the advantages as follows: the edge cutting device is simple in structure and convenient to operate, to-be-cut filter paper can be cut automatically after being placed in the designated position, the edge cutting device is convenient and practical, operators are not prone to accidental injuring, the rejection rate can be controlled to be near zero, waste can be cleared automatically after cutting, and the edge cutting deviceis safe, quick and environment-friendly.

The invention discloses a ballistic wave-based automatic target scoring device. The device comprises an acoustic signal detection device, a background processing device, a display control terminal and a wireless communication module used for performing data communication between the background processing device and the display control terminal, the acoustic signal detection device consists of a base, a supporting structure arranged on the base, a target frame connected with the supporting structure, and a mask body arranged in front of the base, a plurality of acoustic sensors are fixedly arranged on the base, output ends of the acoustic sensors are connected with an acsoutic regulating instrument for acquiring, regulating and converting acoustic signals into digital signals, the background processing device comprises an acoustic regulating instrument for acquiring the acoustic sensors and converting into digital signals, and a signal processing unit for preprocessing the acoustic signals, and the display control terminal comprises a display device and a central data statistics and management module. According to the device, the sensors are simply distributed and constructed, and the later-period maintenance work can be greatly reduced.

The invention discloses a mouse trap capable of catching multiple mice, which comprises a cylindrical body which is horizontally arranged. Food attractant is placed in the cylindrical body. Screen doors are arranged at the front end opening and the rear end opening of the cylindrical body. The screen doors allow the mice to enter the cylindrical body from the front end and the rear end of the cylindrical body but are reversely self-locked. After the mice enters the cylindrical body from the front end and the rear end of the cylindrical body by pushing the screen doors open, since the screen doors have a reverse self-locking function, the mice cannot escape from the cylindrical body and die of hungry or are manually taken out and killed. Therefore, the mouse trap capable of catching multiple mice has the advantages that the structure is simple, the cost is low and the mouse trap is not apt to mistakenly injure people and other animals.

The invention relates to an intelligent entity exhibition system, which relates to the field of article exhibition, and comprises an exhibition stand for placing entity exhibits; a camera which used for receiving a preset shooting signal and shooting; a driving device which is used for mounting a camera; a signal output module which is used for transmitting a mobile signal; and a control unit which is connected to the driving device and the signal output module and is used for controlling the driving device to drive the camera to move to a position corresponding to the moving signal. The intelligent entity exhibition system has the effect of improving the exhibiting experience of exhibitors.

The invention discloses a manual grinding machine, and relates to the field of food processing. The manual grinding machine comprises a funnel and a grinding chamber, wherein the funnel is in the shape of an inverted trapezoid; a baffle is arranged at the bottom end of the funnel; a grinding disc and a grinding roll are arranged in the grinding chamber; a handlebar is connected to the grinding roll; and the handle bar is rotated, so that the grinding roll and the grinding disc can perform grinding. The manual grinding machine disclosed by the invention is convenient and rapid to operate; the manually ground food has good mouth feel; and the manual grinding machine is convenient to carry for picnics in the open air.

The invention relates to the technical field of mobile phone shell form imitating accessory devices, in particular to a mobile phone shell form imitating knife. Cutting types of a cutter of the mobilephone shell form imitating knife are diverse, and the adaptive capacity of the mobile phone shell form imitating knife is improved; the cutter height can be conveniently adjusted according to the workpiece size, and the using limitation of the mobile phone shell form imitating knife is reduced; when the cutter is in idle, accidental injure on a worker is not prone to be caused, and therefore theusing reliability of the mobile phone shell form imitating knife is improved; the mobile phone shell form imitating knife comprises a bottom plate, a connection rod and the cutter; the cutter comprises a bolt, a nut, a supporting column and a rotating column; a first blade is arranged at one end of the rotating column; a second blade is arranged at the other end of the rotating column; a first through hole is formed in the supporting column; a second through hole is formed in the rotating column; the connection rod comprises a piston rod, a piston and a pressure pipe; a sealed guiding sleeve is arranged on the side wall of the inner top of a pressure cavity; a controller is arranged on the piston rod; a through opening is formed in the piston; a control key set is arranged on the front side wall of the bottom plate; two protecting frames are further included; and the interiors of two protecting cavities each comprise two snap springs and two clamping plates.

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.

A fruit knife comprises a knife body (V91) and a knife handle (V92). The knife body (V91) is provided with a single blade. A V-shaped opening (V913) and a round lock hole (V912) are formed in the front end of the knife body (V91), and the round lock hole (V912) communicates with the V-shaped opening (V913). A locking groove (V911) is formed in the position, close to the knife handle (V92), of the knife back portion at the tail end of the knife body (V91), and the axial direction of the locking groove (V911) of the knife body (V91) is parallel to the axis of the round lock hole (V912) of the knife body (V91). The fruit knife has the characteristics of being convenient to carry, convenient and safe to use and not prone to accidental injuries.

The invention discloses an integrated operation stitching instrument. The stitching instrument comprises a main control mechanism, a driving rod assembly, a fixing cylinder, a stitching end assembly and a stitching line fixing assembly, wherein the driving rod assembly, the fixing cylinder, the stitching end assembly and the stitching line fixing assembly extend outwards from interior of the maincontrol mechanism, the driving rod assembly extending out of the main control mechanism is arranged in the fixing cylinder and the stitching end assembly, the main control mechanism is fixedly connected with the suturing end assembly through the fixing cylinder, and the suture line fixing assembly is arranged outside the fixing cylinder and connected with the fixing cylinder. The stitching instrument is simple and convenient to operate, only a small operation space needs to be separated in an operation, stitching can be completed under guidance of fingers by probing ligament tissue with fingers, and direct vision is not needed. The stitching instrument can obviously shorten operation time, reduce operation space required for suture, reduce tissue damage caused by excessive separation, is accurate in suture, is not easy to accidentally injure blood vessels, nerves and other tissues, and has high one-time suturing success rate.