17results 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 invention discloses a method for connecting vertical rectangular air pipes in a narrow space. The method comprises the steps that firstly, air pipe flange size information and air pipe periphery installation space size information are collected; 2, the installation position of a bolt on a flange and the installation position of a flange clamp are determined, and the length and the width of the flange clamp are determined; thirdly, bolts are inserted for fixing according to the determined positions, and a flange clamp is placed above the unconnected flanges; and fourthly, a pressure applying device is installed to clamp the flange and the flange clamp. The construction problem of vertical air pipe connection sealing in the narrow space can be solved, especially the problems that in the narrow space where people are difficult to enter, the air pipe connection construction quality is poor, and an air pipe is not tight are solved, and the later maintenance cost is saved.

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 relates to the technical field of diaphragm vacuum pumps, and discloses a diaphragm vacuum pump which comprises a main body, a connecting mechanism is arranged on the upper surface of the main body, the connecting mechanism comprises a first connecting block, a threaded rod, a screwing block and a bearing plate, and the bottom of the first connecting block is fixedly connected with the top of the main body. According to the diaphragm vacuum pump, through the use of an insertion port, an external connecting pipe can be inserted into the insertion port for related detection, and through the use of a first connecting block, a threaded rod and a screwing block, the screwing block can drive the outer surface of the threaded rod to be in threaded connection with the upper surface of a bearing plate on the first connecting block; by using the clamping spring, the telescopic rod and the clamping pad, the problem of how to stably connect with an external pipeline is solved, the effect of more convenient and efficient connection can be achieved, meanwhile, a more accurate test result can be obtained through the connection stability, and the use efficiency of the equipment is improved.

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 invention relates to the technical field of coaxial cables, and discloses a coaxial cable connector which comprises a male head and a female head, the male head is slidably connected in the female head, a fixing sleeve is fixedly connected in the female head, a needle hole is formed in the fixing sleeve, a limiting ring is fixedly connected to the side wall of the male head, and a through hole is formed in the limiting ring. The side wall of the limiting ring is fixedly connected with a radian plate, a clamping groove is formed in the male head, the side wall of the male head is fixedly connected with a connecting piece, a fixing assembly is arranged in the connecting piece, a limiting assembly is arranged on the side wall of the connecting piece, the side wall of the female head is slidably connected with a pull ring, and the side wall of the female head is sleeved with a first spring. Through cooperation of the limiting ring, the clamping groove, the connecting piece, the pull ring, the first spring, the concave hole, the clamping ball and other structures, the effect of rapidly connecting the male head and the female head is achieved, the connecting process is more convenient and efficient, and through the scheme, the connecting efficiency is improved, and the operation difficulty of a user is greatly reduced.

The invention relates to the field of building construction, in particular to a space truss supporting system which comprises space truss supporting structures arranged between surrounding purlins, and each space truss supporting structure is provided with a space truss structure, adjusting pieces at the two ends and a prestress device connected with the adjusting pieces. The space truss structure is composed of a plurality of space truss standard units which are sequentially connected, each unit comprises a node, a steel support standard section, a transverse stabilizer bar, an oblique stabilizer bar and the like, and at least one layer of rectangular pyramid connecting rod structure is composed of the transverse stabilizer bar and the oblique stabilizer bar. The adjusting piece is formed by connecting an L-shaped hanging arm and an adjusting head, and the prestress device and the node can be adjustably connected. Compared with the prior art, the space truss system is constructed, the calculated length of the steel support is reduced, the horizontal and vertical stability is improved, self-weight internal force deformation is reduced, free combination can be achieved to adapt to various foundation pits, universal joints of nodes are high in adaptability, and an efficient and reliable supporting solution is provided for underground structure construction and foundation pit safety guarantee.

The large-span truss structure comprises a main body assembly and a connecting assembly, the main body assembly comprises a plurality of sets of transverse rods and a plurality of sets of upper rods, clamping plates are welded to the two ends of each transverse rod, the upper rods are welded to the clamping plates, and the upper rods and the transverse rods form a triangle. According to the utility model, the bearing plate is matched and clamped with the embedded groove in the clamping plate, alignment support at a vertical position is carried out, the plurality of clamping columns on the bearing plate are transversely clamped into the clamping grooves, transverse limiting is carried out, the clamping plate is prevented from transversely swinging and separating, the abutting plate is clamped into the abutting groove, and connection is carried out through the abutting bolt; the abutting plate abuts against the clamping column, separation of the clamping column is avoided, splicing type clamping is achieved, traditional alignment installation of a plurality of screw holes is avoided, the clamping groove and the clamping column are clamped in a matched mode, operation is convenient and fast, connection is fast, and installation is convenient and efficient.

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 invention provides a high-efficiency rotationally adaptable threaded steel butt joint sleeve and a method for using the same, and belongs to the technical field of threaded steel butt joint sleeves. The high-efficiency rotationally adaptable threaded steel butt joint sleeve comprises a threaded butt joint sleeve. When a steel bar body and the threaded butt joint sleeve need to be connected, an alignment groove and an alignment block are aligned and clamped. At this time, the stabilizing block is pushed outward and clamped into the stabilizing groove through the elastic expansion of a second spring, so that the steel bar body is temporarily connected to the threaded butt joint sleeve through a telescopic rod, which greatly reduces the time for thread calibration of the steel bar body and the threaded butt joint sleeve. Then, it is only necessary to drive the telescopic rod and the steel bar body to rotate through a rotating drive mechanism, and spirally rotate the steel bar body into the connecting groove to complete the connection between the steel bar body and the threaded butt joint sleeve. Through the above design, the connection between the steel bar body and the threaded butt joint sleeve is more efficient and convenient.

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.

The utility model relates to a car lamp FPC soft board structure. The car lamp FPC soft board structure comprises a module support, a plurality of light modules and a plurality of connecting soft boards. The light modules are distributed on the module support at equal intervals. According to the FPC soft board structure of the car lamp, through combination of the module support, the light modules and the connecting soft board, the space in the car lamp can be effectively utilized, the light modules are orderly distributed on the module support, the connecting soft board is connected with the adjacent light modules, and therefore the whole light system is compact and orderly in layout in the limited space; the light modules are distributed on the module support at equal intervals and arranged in the length direction, the design enhances the flexibility and expandability of the system, the light modules can be increased or decreased according to needs, the overall layout is not excessively affected, the connecting soft plates are arranged between the adjacent light modules and used for communicating the light modules, and the light modules are arranged in the module support. Therefore, the connection process is simplified, and the connection between the light modules is more convenient and efficient.

The utility model discloses a building external wall heat preservation rock wool fixing structure which comprises a plurality of triangular hanging pieces located on the surface of an external wall of a wall body, heat preservation cotton is attached to the front surface of the wall body, a heat preservation rock plate is attached to the front surface of the heat preservation cotton, and inner cavities of the triangular hanging pieces are connected with connecting clamping pieces in a sliding mode. The four sides of the heat preservation rock plate are each provided with two positioning clamping grooves matched with the triangular hanging pieces, and the sides, away from the triangular hanging pieces, of the connecting clamping pieces are provided with anti-disengaging assemblies. The expansion sleeve and the expansion screw are used in cooperation, the triangular hanging piece is installed and fixed, then under the cooperation of the connecting clamping piece and the anti-disengaging assembly, the heat preservation cotton and the connecting clamping piece are stably connected, and meanwhile the connecting clamping piece and the triangular hanging piece are connected; and therefore, the heat preservation cotton can be stably attached to the outer wall surface of the wall body, and the purposes of convenient and efficient installation, firm connection and slippage prevention can be achieved.