21results about How to "Save external space" patented technology

The utility model discloses an oven door handle structure of an electric oven, which comprises a handle body connected with an oven door body with a double-oven-door structure, and an interlocking starting mechanism which is matched with a corresponding interlocking mechanism on the oven door to enable the two oven doors to be locked to achieve synchronous opening and closing is arranged in the handle body. The interlocking starting mechanism is arranged in the handle body, modular and integrated design is adopted in the composition structure of the handle body, rapid assembly and maintenance are facilitated, the interlocking starting mechanism is integrated in the handle body, so that the external structure is more concise and smoother, the external space is saved, the interlocking starting mechanism is arranged in the handle body, and the interlocking starting mechanism is convenient to operate. A user starts or closes the interlocking mechanism on the box door by rotating the control button and then selects to independently operate the box door provided with the handle body or simultaneously operate the two box doors locked into a whole, and compared with a double-cooking-cavity box door handle in the prior art, the double-cooking-cavity box door handle has the advantage that the operation convenience and the use experience of the user are greatly improved.

The invention provides a power transmission mechanism of a crawler-type moped and an adjusting method of crawler actions, the power transmission mechanism comprises a pair of crawler movement mechanisms mounted on two sides of the bottom of the moped, and each of the pair of crawler movement mechanisms comprises a transmission frame, a front crawler movement structure and a rear crawler movement structure; the front track motion structure and the rear track motion structure are respectively mounted at the front end and the rear end of the transmission frame; the transmission frame comprises an outer side plate, a middle side plate and an inner side plate, the outer side plate, the middle side plate and the inner side plate are sequentially and fixedly installed at the bottoms of the two sides of the moped from outside to inside, and the front crawler belt movement structure is installed at the front end of the middle side plate and the front end of the inner side plate. According to the mechanism, power is directly provided by the motor and the motor extension shaft in a unified mode, the utilization rate of transmission power is guaranteed, the mechanism can be suitable for different steps and abrupt slopes, the built-in design is adopted, the external space is saved, and due to the fact that sealing performance is good, erosion of rainwater or dust is avoided, and the structure is more stable in operation.

The invention discloses an efficient SCR (Selective Catalytic Reduction) denitration device of a gas turbine unit and a denitration method. The device comprises a flow velocity measuring device, an ammonia water spraying device, a flue gas rectifying device and a catalyst layer, the flow velocity measuring device and the ammonia water spraying device are sequentially arranged at the upstream of the flue gas pipeline, probes of the flow velocity measuring device and nozzles of the ammonia water spraying device are uniformly distributed on different cross sections in the flue gas pipeline, and the probes and the nozzles are matched in number and position; the flue gas rectifying device is arranged in the middle and downstream of the flue gas pipeline and in front of the multi-stage heat exchanger, and the spiral flow of flue gas is converted into linear uniform flow along the flue gas channel; the catalyst layer is arranged in the flue gas pipeline and located between the multiple stages of heat exchangers. According to the characteristic that flue gas discharged by the gas turbine spirally flows, the ammonia water injection amount is adjusted through multi-point flow velocity measurement, spiral flowing is converted into linear flowing through the flue gas rectifying device, the uniformity degree of mixed gas is improved, full catalysis is achieved, and then efficient denitration is achieved.

The dual-axis output backlash-eliminating reducer disclosed in the present invention adopts two independent transmission chains and is installed in the same housing, thus saving external space. The two independent transmission chains only install torsion springs at the input stage, and the torsion springs with preset smaller torque are amplified step by step to the first output shaft output gear and the second output shaft output gear through the two independent transmission chains, and mesh with the left and right sides of the load gear respectively, so as to achieve the purpose of backlash elimination and be sufficient to drive the load to work. All gears are cylindrical gears, and a tangential direct backlash elimination method is adopted. Each transmission shaft has no additional axial load, and the axial resistance of the bearing is small. During the backlash elimination process, the tooth clearance fluctuation will not cause the gear to produce axial slippage, and the tooth surface will not produce additional friction resistance, so the transmission efficiency is high.

The power battery pack comprises a box body, a high-voltage electrical assembly and a low-voltage electrical assembly, the high-voltage electrical assembly comprises a plurality of battery modules, a battery pack high-voltage distribution box BDU module, a high-voltage connector, a fuse assembly, a high-voltage copper bar and an integrated busbar CCS assembly, the interior of each battery module is in high-voltage electrical connection through a CCS assembly and is connected in series through a high-voltage copper bar, the BDU module is arranged at the first end of the shell structure in the second direction and located on the first side of the multiple battery modules, and the BDU module is in strong current connection with the multiple battery modules through the high-voltage copper bar and located on the second side of the multiple battery modules. The fuse assembly is arranged at the first end, in the second direction, of the shell structure and electrically connected with the BDU module through the high-voltage copper bar, the high-voltage connectors are arranged on the two sides, in the second direction, of the multiple battery modules and penetrate through the shell structure to the outside of the box body, and the high-voltage connectors are electrically connected with the BDU module and / or the fuse assembly through the high-voltage copper bar.

The present invention relates to the field of mechanical equipment, and specifically to a thin cylinder, which includes an inner cylinder, a sealing end cover, a piston rod, a piston, an outer cylinder, a separating piston, a first spring and a second spring; the inner cylinder is provided with a containing cavity, and one end of the inner cylinder is provided with a mounting port connected to the containing cavity; the outer wall of the inner cylinder is provided with a first mounting groove, a second mounting groove, a third mounting groove, a first spiral groove and a second spiral groove; the third mounting groove is located between the first mounting groove and the second mounting groove; one end of the first spiral groove is connected to the first mounting groove, and the other end is connected to the third mounting groove; one end of the second spiral groove is connected to the second mounting groove, and the other end is connected to the third mounting groove. When exhausting, the above-mentioned thin cylinder can allow gas to be discharged along the first spiral groove or the second spiral groove, so that the gas takes away part of the heat of the thin cylinder to cool the thin cylinder, thereby achieving the beneficial effect of protecting the thin cylinder and increasing the service life of the thin cylinder.

The invention provides a stably placed cell counter, and relates to the technical field of cell counters, the cell counter comprises a cell counter, the side wall of the cell counter close to the bottom is provided with a cross-shaped chute in a penetrating manner, the top of the cross-shaped chute is rotatably provided with a gear, the two sides of the gear are engaged with strip-shaped gears, and the strip-shaped gears are arranged in the cross-shaped chute. A fixing frame is fixedly installed at the end of each strip-shaped gear, a convex frame moves to push an inserting rod at the end of a second spring backwards, after the inserting rod moves to leave the interior of the cell counter, the two second springs drive the two strip-shaped gears to slide through elastic force, the two strip-shaped gears move to drive the fixing frames at the ends to move, and the two strip-shaped gears are driven to move. After the two fixing frames move out of the cell counter, a user presses the lower pressing disc downwards, the lower pressing disc drives the suction cups to move downwards, the two suction cups are magnetically attracted to the table top, at the moment, the cell counter is stably connected with the table top, the cell counter can bear large shaking and external pushing force, and the stability of the cell counter is greatly improved.

The invention relates to an oil sprayer integrated with a flow limiting function. The oil sprayer comprises a screw plug, an oil sprayer body, an upper spring seat, a fixed spring, a valve element, a pressing sleeve, a lower spring seat and a flow limiting spring. The oil sprayer body is provided with an oil inlet channel, an oil outlet channel, a threaded hole, a first hole, a first sealing conical surface, a second oblique angle, a second hole, a third hole, a fourth hole, a fifth hole and a sixth hole, and the second hole, the third hole, the fourth hole, the fifth hole and the sixth hole form a pressure storage cavity. And the oil inlet channel and the oil outlet channel are respectively communicated with the pressure storage cavity. A flow-limiting spring, a valve core and a lower spring seat are sequentially mounted at the bottom of the pressure storage cavity; the lower spring seat is provided with a first pressing surface, a fourth middle hole, a mounting bevel angle and a first middle hole, and the valve element penetrates through the fourth middle hole and then is pressed on the first pressing surface; a mounting bevel angle of the lower spring seat is pressed on a second bevel angle of the oil sprayer body through a fixing spring; one end of the fixed spring is fixed in the first middle hole, and the other end is fixed on the upper spring seat; and a pressing sleeve and a screw plug are sequentially fixed on the upper spring seat.

A combined glass fiber reinforced plastic desulfurizing tower comprises multiple layers of tower sections which are combined and overlapped, each layer of tower section penetrates through the side wall and is provided with a mounting hole, the inner side of each mounting hole is provided with a manhole door plate, and the inner edge surface of each mounting hole is fixedly connected with a mounting cylinder; the outer end face of the manhole door plate is hinged to the inner wall of the mounting cylinder through a hinge piece, and the manhole door plate can rotate towards the interior of the tower section around a hinge point. The hinged piece is hinged to the manhole door plate, so that the manhole door plate can be opened towards the interior of the desulfurizing tower, a traditional outward opening mode is changed, on one hand, the force of workers for opening the door plate can be saved, the external space of the desulfurizing tower is saved, the working space of the workers during high-altitude work is enlarged, and operation of the workers is facilitated; and on the other hand, pollutants contaminated on the door plate cannot be exposed out of air, pollution to surrounding air is reduced, and influences on ground workers and ground cleanliness are avoided.

The invention relates to the field of mechanical equipment, in particular to a thin air cylinder which comprises an inner barrel, a sealing end cover, a piston rod, a piston, an outer barrel, a separation piston, a first spring and a second spring. The inner cylinder is provided with a containing cavity, and one end of the inner cylinder is provided with a mounting opening communicating with the containing cavity. A first mounting groove, a second mounting groove, a third mounting groove, a first spiral groove and a second spiral groove are formed in the outer side wall of the inner cylinder; the third mounting groove is positioned between the first mounting groove and the second mounting groove; one end of the first spiral groove communicates with the first mounting groove, and the other end communicates with the third mounting groove; one end of the second spiral groove is communicated with the second mounting groove, and the other end is communicated with the third mounting groove. According to the thin type air cylinder, during exhausting, air can be exhausted along the first spiral groove or the second spiral groove, so that part of heat of the thin type air cylinder is taken away by the air, the thin type air cylinder is cooled, and the beneficial effects of protecting the thin type air cylinder and prolonging the service life of the thin type air cylinder are achieved.

The invention relates to the technical field of ice makers, and discloses a water pump for an ice maker, which comprises a water pump main body, a water inlet end and a water outlet end are respectively arranged on the water pump main body, an impeller rotating shaft is arranged in the water pump main body, an impeller is arranged on the impeller rotating shaft, and a supporting rod is fixedly mounted on the water pump main body. A connecting plate is connected to one end of the supporting rod, filter screen cloth is arranged on the outer side of the connecting plate, and a connecting cylinder is arranged at one end of the connecting plate. The filter screen cloth is arranged in the water pump main body, so that the filtering effect is more comprehensive, the external space can be saved, and the opportunity that water is exposed in the external environment can be prevented; the filter screen cloth is arranged in the water pump main body, so that the risk of secondary pollution is reduced, the maintenance of connecting parts is reduced, the number of external connecting pipelines and joints is reduced in the filter screen cloth in the water pump main body, the risk of water leakage caused by the problems of looseness, aging and the like of the connecting parts is reduced, and the maintenance workload of the parts is reduced.

This invention relates to the field of subframes and discloses a novel hollow cast aluminum rear subframe. The subframe is integrally cast and includes a frame portion and a reinforcing beam portion. The frame portion is a hollow quadrilateral tubular structure, including a front crossbeam, a rear crossbeam, a left longitudinal beam, and a right longitudinal beam. The reinforcing beam includes a solid beam in the middle and connecting portions integrally formed with the longitudinal beams at both ends. A through first mounting hole is provided in the middle of the connecting portion, and a first fixing hole is provided on the side wall of the first mounting hole. Mounting structures are provided at the four corners on the upper side of the frame portion, and lower mounting structures are provided at the four corners on the lower side of the frame portion. Both the upper and lower mounting structures are integrally cast with the subframe. This subframe has the advantages of light weight, high strength, fewer parts, and high flatness.

The transformer body structure of the radiating fin seam welder comprises an iron core, a low-voltage winding and a high-voltage winding, the iron core is sleeved with the low-voltage winding and the high-voltage winding, the high-voltage winding is divided into an upper part and a lower part, and the low-voltage winding is located in the middle; a water cooling pipeline is arranged in the low-voltage winding; and an insulating resin plate is padded between the water cooling pipeline and the winding. Upper clamping pieces are installed on the two faces of the upper end of the iron core, the upper end of the iron core is clamped through the upper clamping pieces and penetrating bolts, lower clamping pieces are installed on the two faces of the lower end of the iron core, and the lower end of the iron core is clamped through the lower clamping pieces and penetrating bolts; the upper clamping piece and the lower clamping piece are connected through a pull rod with threads at two ends and a nut; the bottom of the lower clamping piece is fixed to the base. The utility model has the beneficial effects that the water cooling device is additionally arranged on the low-voltage winding, so that the winding conductor can be tightly attached to the water cooling device, the heat conduction is facilitated, the heat dissipation between the windings is facilitated, the integral insulation structure is simplified, and a special winding wire does not need to be specially customized.

The single-axis output backlash-eliminating reducer disclosed in the present invention adopts two independent transmission chains and is installed in the same housing, thus saving external space. The two independent transmission chains only install torsion springs at the input stage, and the torsion springs with preset smaller torque are amplified step by step to the first output shaft output gear and the second output shaft output gear through the two independent transmission chains, and mesh with the left and right sides of the load gear respectively, so as to achieve the purpose of backlash elimination and be sufficient to drive the load to work. All gears are cylindrical gears, and a tangential direct backlash elimination method is adopted. Each transmission shaft has no additional axial load, and the axial resistance of the bearing is small. During the backlash elimination process, the tooth clearance fluctuation will not cause the gear to produce axial slippage, and the tooth surface will not produce additional friction resistance, so the transmission efficiency is high.

The invention discloses a multifunctional cleaning device for a wooden seat and a cleaning method. The multifunctional cleaning device comprises a shell and a first brush arranged on one side of the shell, and a transverse driver used for stirring the first brush to do transverse reciprocating motion is arranged between the shell and the first brush; and the third brushes are arranged on the two sides of the first brush. According to the angle adjusting mechanism provided by the invention, firstly, when a worker needs to clean a corner of a wooden seat, a worm can be rotated, and the worm rotates to drive a worm gear to drive a rotating shaft to rotate, so that a third brush is driven to rotate towards the inner side of a first brush; the first brush and the two third brushes are adjusted, so that the adjusted first brush and the two third brushes can be matched with the width of the portion, needing to be cleaned, of the wooden seat, and then a worker can hold the shell to drive the first brush and the bent third brushes to brush the corner of the wooden seat in a reciprocating mode, so that the cleanliness of the corner of the wooden seat in a factory is guaranteed; through mutual cooperation of all the components, the cleaning device can be suitable for cleaning a face with a large radian, especially for corners of wooden furniture, a good cleaning effect can be achieved, dust is collected in an air suction mode, dust rising to the external space is reduced, and the working environment is improved.

The invention discloses a cylinder valve integrated hydraulic cylinder and a concrete pump truck. The cylinder valve integrated hydraulic cylinder comprises a cylinder barrel, a cylinder bottom, a piston rod and a piston. A guide sleeve is mounted on the axial surface of the other side of the cylinder barrel; the piston rod penetrates through the guide sleeve and then is inserted into the cylinder barrel, and the piston rod can axially and linearly move in the cylinder barrel; the piston sleeves the end, close to the cylinder bottom, of the piston rod; the piston rod is provided with a radially arranged valve hole at the part outside the cylinder barrel, the piston rod is provided with a rodless cavity oil way and a rod cavity oil way which are communicated with the valve hole and then extend inwards to the axial end face of the piston rod, the tail end of the rod cavity oil way is provided with an oil plug structure, and the tail end of the rodless cavity oil way is provided with a threaded hole; a radial oil hole communicated with a rod cavity oil way is formed in the position, close to the piston, of the piston rod, the piston rod at the radial oil hole is sleeved with a spacer bush, and an oil passing hole is formed in the spacer bush. Due to the fact that the built-in mode is adopted, the external space is saved, the possibility that the valve is collided by the external environment is avoided, welding is omitted, and the using safety and reliability of the oil cylinder are improved.

The present invention relates to the technical field of center frames, and in particular to a superimposed double-cam CNC self-centering center frame, comprising a machine body, the machine body comprising a shell and a machine body cover that are assembled and connected; rotatable side arm assemblies are respectively arranged on both sides of the front end of the shell; a cross arm is arranged in the shell, cams are respectively fixedly arranged on both sides of the cross arm, and the cross arm is driven by a driving assembly and performs linear reciprocating motion; the driving assembly is built into the interior of the cross arm; the side arm assembly comprises a side arm, and rollers A and rollers B are arranged at the rear end of the side arm; rotatable support bearings are arranged at the front ends of the cross arm and the side arm; a double-layer curved surface is arranged on the cam, and the double-layer curved surface comprises a cam curved surface A and a cam curved surface B; the cam curved surface A is located on one side of the machine body cover; and at the same time, a rotary assembly is also included, and the rotary assembly is used to ensure that roller A rolls with cam curved surface A, and roller B rolls with cam curved surface B. In this way, the compactness of the external dimensions is ensured, and the clamping range of the workpiece is expanded.

The utility model relates to the technical field of door locks, in particular to a door handle counter lock switch structure which comprises a square strip, an inner panel and an outer panel, the inner panel and the outer panel are mounted on a door body, the inner panel is rotatably connected with an inner handle, the outer panel is rotatably connected with an outer handle, one end of the square strip is linked with the inner handle, and the other end of the square strip is linked with the outer handle. The outer handle is provided with a counter locking assembly used for locking the outer handle and the outer panel base, the inner handle comprises a shell, a rotating body which can be in linkage with the counter locking assembly so as to enable the counter locking assembly to be locked or unlocked with the outer panel is arranged in the shell, a sliding part is arranged in the shell, and a toggle switch is arranged on one side of the sliding part. A linkage structure capable of promoting the rotating body to rotate is arranged between the sliding piece and the rotating body, and by means of the arrangement of the sliding piece, the toggle switch and the linkage structure, the counter locking assembly can be promoted to conduct counter locking or unlocking through the linkage structure only by sliding the toggle switch to drive the sliding piece to move up and down.

The utility model discloses a vacuum heat treatment furnace, belongs to the field of heat treatment equipment, and is used for solving the problem of flow abnormity caused by uneven cooling water distribution, cooling temperature control deviation and waterway blockage. The vacuum heat treatment furnace comprises a furnace body, a cooling water using part and a cooling water distribution system, wherein the cooling water distribution system comprises a water inlet pipe, a water return pipe, a water pump, a water inlet branch pipe, a water return branch pipe, a flow detection device, a temperature detection device and a control device; the water inlet pipe, the water return pipe, the water inlet branch pipe and the water return branch pipe are arranged outside the vacuum heat treatment furnace; one end of the water inlet branch pipe is connected with the water inlet pipe, and the other end is connected with the water inlet end of a water using part; one end of the water return branch pipe is connected with the water return pipe, and the other end is connected with the water outlet end of a water using component; the flow detection device is connected with the water return branch pipe; the temperature detection device is arranged on the water consumption part; the flow detection device, the temperature detection device and the water pump are all electrically connected with the control device.