7results about How to "Safe and convenient" patented technology

The utility model discloses a novel wire drawing tool, which relates to the technical field of wire drawing tools and comprises a base, supports are fixedly mounted on two sides of the top of the base, a fixed triangular plate is fixedly mounted on one side of each support and fixedly connected with the base, and two T-shaped mounting blocks are movably mounted on each support. First bolts are installed in the inner walls of the top side and the bottom side of the T-shaped installation block in a threaded mode, and one end of each first bolt penetrates through the inner wall of the T-shaped installation block and extends into the inner wall of the support. According to the wire drawing device, the fixing rod, the manual screw, the handle, the polishing machine and other structures are arranged, the vertical stroke of the manual screw is manually adjusted, the wire drawing device is suitable for parts with different heights, then an operator starts the polishing machine and then pulls the handle, the polishing machine can conduct wire drawing treatment on the surfaces of the parts, and use is easy, convenient and flexible; and the use of operators is facilitated, and the production efficiency is also improved.

The utility model discloses an acid tank for a chemical experiment. The acid tank comprises a tank body, a circular slide knob, a lifting pull rod, a porous acid-proof sandwich plate, an acid-base ribbon, an acid-proof polytetrafluoroethylene packing rope and a fixed plate, the top end of the box body is open, mounting holes are formed in the upper portions of the outer walls of the two sides of the box body respectively, the ends of the two fixing plates are connected to the outer walls of the two sides of the box body respectively, lantern rings are arranged on the tops of the fixing plates, and the round sliding knobs are installed on the fixing plates. The porous acid-proof sandwich plate is placed in the box body and is provided with a plurality of grids; the acid-base binding belt is connected to the outer walls of the two sides of the porous acid-proof sandwich plate, the teflon packing rope penetrates through the mounting hole and the lantern ring, one end of the teflon packing rope is connected with the acid-base binding belt, and the other end of the teflon packing rope penetrates through the round sliding knob and then is connected with one end of the lifting pull rod. The acid-washed glass measuring vessel in the box body can be conveniently, safely and conveniently taken and placed by an operator.

The invention discloses a fixing device for castration of sows, comprising a base, a head fixing component, a left hind limb fixing component and a back baffle; the head fixing component comprises a C-shaped arch frame, a fixing plate and a fixing screw; the right side of the C-shaped arch frame is hinged in a right fixing seat, a screw sleeve is provided through the fixing plate, the fixing screw is threadedly connected to the screw sleeve, and the fixing screw is matched and connected in the connecting screw sleeve; the back baffle is fixed to the middle part of the right side of the base; the left hind limb fixing component comprises a sliding rod, a limiting rod, an adjusting plate and a C-shaped limiting frame; a C-shaped limiting frame is provided on the right side of the limiting rod, the left end of the adjusting plate is sleeved on the limiting rod, a lap groove corresponding to the sliding rod is provided in the middle part of the adjusting plate, and a C-shaped placement groove corresponding to the C-shaped limiting frame is provided on the right side of the adjusting plate; the invention fixes the head, legs and back of the sow on one device at the same time, so that the pig is safely and conveniently fixed, so that the pig is more stable during dynamic operation and more accurate during ovary removal.

According to the scheme, the oral cavity supporting device for gastroscope room examination comprises fixed seats which are arranged in pairs, and further comprises a lower arc-shaped seat, a guide shell, a moving shell, a moving assembly, a driving plate, a sliding plate and an upper arc-shaped seat, the two ends of the lower arc-shaped seat are fixedly connected to the bottoms of the fixed seats, the guide shell is fixedly connected to the fixed seat on one side, and the moving assembly is fixedly connected to the lower arc-shaped seat. The moving shell is fixedly connected to the moving shell on the other side, the moving assembly rotates in the moving shell, the driving plate is slidably connected to one side of the moving shell, and the driving plate is fixedly connected to the moving assembly; the utility model belongs to the technical field of medical imaging, and particularly relates to an oral cavity supporting device for gastroscope room examination, which is convenient to adjust according to the oral cavity opening size of different examinees, is convenient for doctors to carry out gastroscope examination, is convenient for mounting and taking a tongue depressor, is convenient for patients to occlude and is convenient for pressing the tongues of the patients.

The utility model provides a kind of explosion-proof electric control cabinet mounting structure, comprising: mounting box, cover plate and explosion-proof winding connecting pipe, the side opening of mounting box, the side wall of mounting box is hinged by mounting member in one end of cover plate, the other end of cover plate is locked with mounting box by locking assembly, cover plate is used to open and close the opening, the side wall of mounting box is provided with the wire inlet hole for communicating with its inside, mounting box inside is provided with the fixed assembly for fixing explosion-proof electric control cabinet body, explosion-proof winding connecting pipe is connected between wire inlet hole and explosion-proof electric control cabinet body;Grain cooling unit, comprising: grain cooling unit body, its side wall is provided with installation port, further comprising the explosion-proof electric control cabinet mounting structure of above-mentioned, the mounting box is fixed in the installation port, solve the problem that explosion-proof electric control cabinet is not conveniently mounted on grain cooling unit.

A toxic ammonia gas absorption system for a liquid ammonia fuel ship comprises a toxic ammonia gas release source (100), an ammonia gas absorption tank (200), an ammonia gas guide pipeline and a diluted ammonia gas discharge pipeline. The ammonia gas absorption tank (200) is provided with an absorbent (201), a gas diffusion layer (202), a liquid level switch (203), a gas phase space (206) and a temperature control device (207). The system can improve the safety, the environmental protection property and the economical efficiency of the ammonia fuel used by the ship.

The present invention discloses an elastic arm type light-guiding fingerprint module structure, including a pressing part, an elastic part, a PCB board, a button, and a shell; the elastic part includes a light-guiding ring bracket, an elastic left arm, and an elastic right arm; the light-guiding ring bracket is provided with a positioning groove extending from top to bottom, the positioning groove is provided with the pressing part, the shell is provided with a mounting groove extending from top to bottom, and the light-guiding ring bracket is located in the mounting groove. The present application can improve the accuracy and sensitivity of fingerprint recognition, allowing users to perform identity authentication and secure payment more quickly and conveniently, because the present application adopts an elastic arm type light-guiding fingerprint module structure, which can effectively solve the problems in the prior art that the pressure plate is easily displaced or tilted when subjected to force, and the LED light has poor light transmission effect under the fingerprint chip.