9results about How to "Easy and efficient connection" patented technology

The utility model provides a cross-flow fan with composite spline curve blades, which relates to the technical field of cross-flow fans and comprises a first connecting plate and a motor output shaft, and a connecting shaft is fixedly mounted on one side of the first connecting plate. By rotating the rotating block, matching with the threaded connection of the bidirectional lead screw and the sliding plate and the sliding design of the sliding plate and the sliding groove, maintenance personnel can conveniently control the clamping ring to move, more labor is saved in mounting and dismounting, meanwhile, through the accurate matching of the limiting insertion column and the limiting hole and the stable clamping of the motor output shaft by the clamping ring, the maintenance efficiency is improved, and the maintenance cost is reduced. Compared with the prior art, firm connection is guaranteed, stable operation of the cross-flow fan blade is ensured, the fault risk is reduced, in addition, the limiting insertion column can be easily pulled out, unlocked and taken down by reversely rotating the rotating block, efficient and convenient disassembly is achieved, the time and energy of maintenance personnel during equipment maintenance, cleaning or component replacement are greatly saved, and the maintenance cost is reduced.

The invention relates to the technical field of nursing beds, in particular to a multifunctional concentric-square-shaped bed which comprises a head bed enclosure, a tail bed enclosure and an inner bed body, the whole multifunctional concentric-square-shaped bed is composed of the head bed enclosure, the tail bed enclosure and the inner bed body, and when a patient needs to be transferred, after the tail bed enclosure and the head bed enclosure are separated, the tail bed enclosure and the inner bed body are separated; the inner bed body can be taken out to serve as a transfer bed to be independently used, a patient does not need to be transferred from the concentric-square-shaped bed to the transfer bed when transferred, bumping and discomfort of the patient caused by multiple times of movement in the transfer process are avoided, the secondary injury risk of the patient caused by transfer is reduced, the transfer bed does not need to be used, and the transfer bed is convenient to use. According to the dual-rectangular-shaped bed, the investment cost of medical equipment is saved, the utilization efficiency of medical resources is improved, and the inner bed body is separated from the head bed periphery and the tail bed periphery, so that the dual-rectangular-shaped bed is relatively small in size and more convenient to move.

The utility model relates to the technical field of reducing joint, and disclose a kind of anti-explosion reducing joint of convenient connection, pipe;Mounting head, the pipe is arranged in mounting head side wall;Fixed cover, the fixed cover fixed sleeve mounting head outer wall;Movable cover, the movable cover rotation is connected in fixed cover outer wall;Limiting component, setting in mounting head outside, the pipe is fixed;Through the cooperation of conical block and conical groove realizes quick positioning, and then using movable cover, internal thread, external thread and the like structure, only need to rotate movable cover can complete the fixation of pipe, compared with traditional connection mode, greatly simplify the operation step, shorten construction time, reduce manpower cost, improve pipeline connection efficiency;Rubber ring forms sealing structure between pipe and movable cover, can effectively prevent flammable and explosive medium leakage;At the same time, after the cooperation and fixation of triangular clamping block and triangular clamping slot, the sealing property of junction is further enhanced.

The utility model relates to the technical field of camera lens production, in particular to a lens focusing tool. Comprising an embedding piece, the embedding piece is arranged in a hollow mode to form an avoiding channel, a clamping piece and a focusing ring assembly used for clamping a camera lens are arranged on the inner wall of the avoiding channel, a cover body is arranged on the embedding piece, a containing cavity is defined by the cover body, the containing cavity is communicated with the avoiding channel, an identification piece is arranged in the containing cavity, and the identification piece is arranged on the inner wall of the avoiding channel. And the identification piece is arranged corresponding to the avoiding channel. The method has the effect of improving the convenience and accuracy of the focusing test of the camera lens.

The utility model discloses a ventilation type toilet tent which comprises a main tent body, a front gable wall door arranged on the front surface of the main tent body and a ventilation window arranged at a ventilation opening. The ventilating window further comprises a plurality of connecting assemblies arranged between the metal net frame and the fixed window frame. According to the toilet tent, the fixed window frames are designed at the ventilation openings in the two sides of the toilet tent, the sliding clamping pieces and the rotary rapid limiting structures are innovatively adopted between the window frames and the metal net frame, the existing technical problems are effectively solved, and through the design, the installation stability of the metal net frame at the ventilation openings is guaranteed; the problem that tarpaulin is damaged due to a traditional screw fixing mode is avoided, the disassembly and assembly process of the metal net frame is greatly simplified, cleaning and maintenance work is more convenient and efficient, more importantly, even though disassembly and assembly are conducted many times, connection between the metal net frame and the window frame is still stable and reliable, no damage is caused to the tent tarpaulin, and the service life of the tent is prolonged. Therefore, long-term stable use of the toilet tent is ensured.

The utility model discloses MPVE double -walled bellows belongs to double -walled bellows technical field, it includes a plurality of wave -shaped tube that connects in proper order, the wave -shaped tube includes the corrugated portion, first plug -in part and second plug -in part, first plug -in part with second plug -in part opposite setting at the both ends of corrugated portion, wherein, the wave -shaped tube is connected through first plug -in part and another wave -shaped tube's second plug -in part, first plug -in part is provided with annular groove, and the outside wall on the corrugated portion of wave -shaped tube is provided with wave -shaped protruding. The utility model discloses through setting mutually matched first plug -in part and second plug -in part, has realized the quick butt joint between wave -shaped tube.

The utility model provides a construction pipeline supporting and protecting device for gas construction management, and relates to the technical field of pipeline construction, the construction pipeline supporting and protecting device for gas construction management comprises a sliding base, a sliding part, a fixed plate, a rectangular plate and a supporting plate, the long sides of the sliding base are arranged in parallel, and a sliding groove for sliding is formed in the sliding base; and the limiting plate is rotationally connected into the rectangular groove, forms a complete plate shape with the fixing plate, and limits rolling of the pipeline when rotating to be attached to the pipeline. According to the pipeline connecting device, the limiting piece is released in the rotating process through the arranged inclined plate, the inclined plate can contract inwards in the moving process under the action of the limiting piece, the effect that the end of the sewing part is contracted and connected into the other pipeline in the butt joint process is achieved, and the pipeline connecting effect is easier and more efficient.

The utility model discloses a locating and clamping mechanism for accessory drilling equipment, which comprises a fixing cylinder, the fixing cylinder is attached to the drilling equipment, a fixing mechanism is arranged on the fixing cylinder, and the fixing mechanism comprises a lateral disc, a bottom block, an insertion rod, a pressing sleeve, a one-way piece, a locating mechanism, a return spring and a return mechanism. The lateral disc is installed on the side face of the fixing sleeve, the bottom block is installed on external equipment, the inserting rod is installed on the bottom block, the lateral disc is connected to the inserting rod in a sliding mode, the pressing sleeve is connected to the inserting rod in a sliding mode, the lateral disc is installed on the side face of the fixing sleeve, the bottom block is installed on the external equipment, and the inserting rod is installed on the bottom block. When fixing is carried out, the pressing sleeve slides along the insertion rod and is connected with the insertion rod in a sleeved mode, due to the design of the one-way piece, the path of the spiral groove does not need to be followed in the insertion process, the installation process is greatly simplified, and due to the structure, operation simplicity and convenience are promoted, and joint firmness is guaranteed.

The utility model provides a glass reinforced plastic pipe structure convenient to connect and fix, which relates to the technical field of glass reinforced plastic pipes and comprises a first glass reinforced plastic pipe, a second glass reinforced plastic pipe is arranged below the first glass reinforced plastic pipe, a connecting mechanism is arranged on the outer side of an inner connecting pipe, and positioning mechanisms are arranged on the outer sides of the upper part and the lower part of a connecting plate; the connecting mechanism is arranged on the outer side of the inner connecting pipe, the glass reinforced plastic pipe can be stably connected through mutual cooperation of a connecting base, an outer thread, a connecting sleeve, a positioning plate, a limiting plate and an inner thread of the connecting mechanism, connection is more convenient and efficient, and meanwhile the sealing gasket and the sealing groove are used, so that the sealing effect is better. According to the glass reinforced plastic pipe, the sealing performance is better after the first glass reinforced plastic pipe and the second glass reinforced plastic pipe are connected, so that the first glass reinforced plastic pipe and the second glass reinforced plastic pipe do not leak in use, and the practicability of the glass reinforced plastic pipe in use is greatly improved.