16results about How to "Increase opening size" patented technology

The invention relates to the technical field of quartz sand classified screening, in particular to a quartz sand classified crushing device. Comprising a base, a material conveying pipe and a screen drum; the sieve pore adjusting mechanism comprises a window and a sliding rod; the amplitude adjusting mechanism comprises a blanking hopper, a turntable and an eccentric rod; sieve holes are defined by the sieve plates and the sieve rings, so that the size of the sieve holes is adjustable, blockage is prevented, the grading and screening requirements of quartz sand are met, meanwhile, solid particles such as coal, ore and glass are compatible, the wear condition of the sieve plates is judged according to resistance values among the sieve plates, and the opening of the discharging opening and the sieve holes are increased during discharging, so that blockage is prevented; meanwhile, a circular truncated cone and a discharging hopper are matched for primary crushing and upward transportation through a scraper, and the situation that the particle size is too large and consequently the sieve hole abrasion efficiency is improved is avoided; the vibration amplitude of the conveying pipe is controlled to be increased through the amplitude adjusting rod, so that all the quartz sand blocks collide with one another and collide with the inner wall of the conveying pipe to be preliminarily crushed, the screening efficiency is improved, and blocking is further prevented.

The invention discloses an offshore sediment capturing device which comprises a rack, a sampling funnel, an expansion film, a lifting mechanism, a lifting seat and an elastic steel wire, the sampling funnel comprises a funnel body and a conical shell; the funnel body is provided with a conical part and a hollow columnar part; the conical shell is located on the outer side of the conical part, and a storage space is formed by the conical shell and the conical part. One end of the elastic steel wire is connected with the lifting seat, one end of the elastic steel wire penetrates through the limiting slide way, one end of the expanding film is fixed to the upper edge of the funnel body, and the other end of the expanding film is fixed to the upper end of the elastic steel wire; the lifting base is provided with an upper working position and a lower working position. The lifting mechanism is used for driving the lifting base to move up and down. The lifting seat and the elastic steel wire are driven by the lifting mechanism to move upwards, so that the expanding film can be expanded towards the outer side of the upper end of the rack, the limitation of the rack is broken through, an expanding conical space communicated with the upper end of the conical part is formed, and the opening size of the uppermost end of the sampling funnel is effectively increased.

The utility model discloses an arc airtight zipper which comprises an outer zipper strip, an inner zipper strip and a zipper head, the outer zipper strip comprises a first sealing belt, a first lip-shaped sealing piece and outer zipper teeth, and the inner zipper strip comprises a second sealing belt, a second lip-shaped sealing piece and inner zipper teeth. The distance between every two adjacent outer zipper teeth is larger than the distance between every two adjacent inner zipper teeth. The outer zipper teeth and the inner zipper teeth are meshed with each other or separated from each other when the zipper head is closed; and during pulling and meshing, the lip part of the first lip-shaped sealing piece and the lip part of the second lip-shaped sealing piece are mutually attached and sealed. According to the arc-shaped airtight zipper, the lip-shaped sealing pieces connected with the zipper teeth are arranged, when the zipper head is closed, the zipper teeth drive the lip-shaped sealing pieces to be attached and sealed, the air tightness of the zipper is guaranteed while arc-shaped closing of the zipper is achieved, and the pressure-bearing airtight requirement of special clothes is met.

The stator iron core comprises a yoke part, tooth parts and shoe parts, the yoke part is annular, the tooth parts are arranged in an annular area of the yoke part, the tooth parts are arranged at intervals along the circumferential direction of the yoke part, one end of each tooth part in the tooth height direction is connected with the yoke part, and the other end of each tooth part in the tooth height direction is connected with the shoe parts. The other ends of the tooth parts in the tooth height direction are connected with the shoe parts, a tooth groove is formed between every two adjacent tooth parts, and a notch of the tooth groove is formed between every two adjacent shoe parts; wherein the stator iron core is provided with twelve tooth grooves, and the ratio of the width of each groove opening to the inner diameter of the stator iron core is 0.05-0.15. Therefore, the efficiency of the motor can be improved and the performance of the motor can be improved from two directions of improving the main magnetic flux and reducing the magnetic resistance.

The invention relates to the field of display panel manufacturing, in particular to liquid crystal display panel frame assembling equipment which comprises a feeding mechanism, a liquid crystal display panel frame assembling mechanism and a liquid crystal display panel frame assembling mechanism. The pre-positioning mechanism comprises a carrying table and a first positioning assembly; the assembling mechanism comprises a second positioning assembly and a second mechanical arm; and a discharging mechanism. When the U-shaped frame is assembled, the frame is inclined firstly, the clamping part is arranged at the lower end of the panel, then the frame is rotated and reset, in the process, the clamping part is located at the lower end of the panel all the time, and the problem that the frame cannot be installed due to the fact that the clamping part abuts against the side face of the liquid crystal panel during direct assembly is solved; meanwhile, when the size of the opening of the clamping groove of the U-shaped frame is small or the whole frame is slightly distorted and deformed, the process of frame assembly reverse rotation resetting is also the process of frame correction, and it is guaranteed that the frame can be stably connected with the liquid crystal panel in a clamped mode.

The utility model discloses a glove compartment, an instrument panel assembly and a new energy automobile, and relates to the technical field of new energy automobile manufacturing. The glove compartment comprises a compartment body and a cover body, and the compartment body is provided with an opening; the cover body covers the opening in an openable and closable manner and is rotationally connected with the box body; a limiting structure is convexly arranged at one end, close to the rotationally connected position, of the cover body towards the box body; wherein the cover body is buckled relative to the box body, a preset gap is formed between the limiting structure and the side wall of the side, away from the cover body, of the box body, the cover body is opened by rotating a preset angle relative to the box body, and the limiting structure at least partially abuts against the side wall. The problems that in the prior art, size spaces need to be reserved on the two sides of an opening of a glove compartment to meet the assembly requirement of a limiting structure, and the arrangement size of a storage space in the opening of the glove compartment is affected are solved.

The invention provides a transmission channel and vacuum processing equipment. The vacuum processing equipment comprises at least one cavity which can be vacuumized; the transmission channel penetrates through the side wall of the cavity and is used for transmitting a rectangular substrate to the base in the cavity; the outer surface of the transmission channel comprises an outer top surface and an outer bottom surface; the outer top face is an arc-shaped curved face protruding upwards, and / or the outer bottom face is an arc-shaped curved face protruding downwards. The transmission device has the advantages that the requirement for transmitting large-size thick substrates into a cavity of vacuum processing equipment can be met, stress concentration of a transmission channel can be effectively relieved under the condition that the volume of the cavity is not enlarged, and deformation of the transmission channel is reduced.

The utility model provides a pressure wave protection valve which comprises a bottom plate, and an air opening is formed in the bottom plate. Supporting plates are arranged on the left side and the right side of the bottom plate correspondingly. A rotating shaft is connected between the two supporting plates; wherein one end of the rotating shaft is connected with the actuator; the bottom plate is connected with blades through a rotating assembly; when the blades rotate, the air opening can be closed; connecting plates are arranged on the blades; the connecting plate and the rotating shaft are connected through a rotary matching assembly; the rotary matching assembly comprises a shaft lever crank throw fixed on the rotating shaft and a movable plate connecting seat fixed on the connecting plate; each movable plate connecting seat is rotationally connected with one end of a movable rod through a first pin shaft; and the other end of the movable rod is connected with the shaft lever crank throw through a second pin shaft. By adopting the hinge type, the size of the opening is increased, the wind resistance is reduced, the strength is enhanced, and the service life is prolonged.

The utility model relates to the technical field of acupuncture sleeves, in particular to a disposable adjustable acupuncture needle sleeve which comprises an outer tube and an inner tube movably inserted into the outer tube, one end of the inner tube extends to the outside of the outer tube, and a fixing structure is arranged between the outer tube and the inner tube. The vertical sections are symmetrically and vertically arranged on the two sides of the top end of the inner pipe respectively, the positioning parts are arranged on the outer side walls of the two vertical sections respectively, a plurality of sets of fixing holes corresponding to the two positioning parts are formed in the side wall of the outer pipe in the length direction in a penetrating mode, and a clamping part is arranged on the outer side wall of the outer pipe; by arranging the outer tube, the inner tube and the fixing structure, the length of the sleeve can be rapidly adjusted according to the length of the acupuncture needle, meanwhile, the sleeve is firm, when the same patient is punctured, operation of a doctor can be simplified, cost is saved, and pollution and cross infection between patients are reduced.

A large-opening integral frame multi-roller rolling mill comprises a frame, an open inner hole is formed in the frame, an upper half roll system and a lower half roll system are arranged relatively from top to bottom in the inner hole, the upper half roll system comprises a plurality of support rolls, a preset hole connected with the plurality of support rolls is formed on the frame, a locking oil cylinder connected with the support rolls is arranged in the preset hole; a roll system compensation mechanism and a side roll seat are arranged below the lower half roll system, the side roll seat is placed on the roll system compensation mechanism, and the lower half roll system comprises a bottom support roll and a side support roll, the bottom of the bottom support roll is located on the roll system compensation mechanism, and the bottom of the side support roll is located on the side roll seat; compared with the prior art, the setting of the right-angled open inner hole is convenient for mechanical processing of the frame, and the processing accuracy of the frame is also guaranteed and improved, the requirements for processing equipment are low, and at the same time, the opening size of the inner hole is large, which is convenient for threading, and the roll changing and roll matching coefficients are high, the stability of the upper half roll system and the lower half relationship is good, the operation and maintenance are simple, and the operation is reliable.

The utility model discloses an efficient packaging four-edge sealing assembly line which comprises a folding station, a bottom sealing station, a double-lower-side heat sealing station, a material placing station, a double-upper-side heat sealing station, a top sealing station and an easy-to-tear opening punching station which are arranged in sequence. The bottom, the lower ends of the two sides, the upper ends of the two sides and the top of the V-shaped belt are subjected to heat sealing in sequence to form the sealing bag with the closed edge, overlapped heat sealing parts exist between the heat sealing procedures, the sealing effect of the sealing bag can be effectively guaranteed, meanwhile, a material placing station is additionally arranged between the lower ends of the two sides and the upper ends of the two sides of the V-shaped belt, and when materials are placed, the material placing station is not prone to falling off. The opening size of the semi-closed bag body can be increased, materials can be placed more conveniently, the whole production process is high in automation degree, and production is rapid and efficient.

The utility model relates to the technical field of reinforcing steel bar mechanical connection, aims to solve the problem of how to increase the opening stroke, and provides a clamping device for locking a reinforcing steel bar connector through a taper sleeve and equipment thereof. A clamping device for locking a reinforcing steel bar connector through a taper sleeve comprises a first clamping tong arm, a second clamping tong arm, a connecting plate, a first transmission gear and a second transmission gear. The first transmission gear is arranged between the first clamping tong arm and the second clamping tong arm and meshed with the first clamping tong arm, and a rotating shaft of the first transmission gear is rotatably connected with the connecting plate. The second transmission gear is arranged between the first clamping tong arm and the second clamping tong arm and meshed with the second clamping tong arm, and a rotating shaft of the second transmission gear is rotatably connected with the connecting plate. According to the clamping device for the taper sleeve locking steel bar connector, the first clamping tong arm rotates around the first transmission gear, and the second clamping tong arm rotates around the second transmission gear, so that the application range of the clamping device for the taper sleeve locking steel bar connector is widened, and the working efficiency is improved.

The utility model discloses a feeding and discharging device for straight-through nut production, and relates to the technical field of nut production. The turnover hopper comprises a supporting frame and a turnover hopper body, a movable door is arranged on one side of the turnover hopper body, a dust blocking plate is rotationally connected to one side of the top of the movable door through a damping rotating shaft, limiting rods are arranged on the two sides of the inner wall of the turnover hopper body and abut against the dust blocking plate, and the dust blocking plate is of an inclined structure. By means of the dust blocking plate, due to the blocking effect of the dust blocking plate on internal nut materials, smoke dust generated by falling of the nut materials and friction and collision between the materials is effectively limited on the inner side of the dust blocking plate, diffusion of the smoke dust to the external working environment is reduced, and therefore the cleanliness and the protection performance of the working environment are remarkably improved, and meanwhile the dust blocking plate can effectively prevent the nut materials from falling off. And by blocking diffusion of smoke dust, the risk that workers make contact with harmful smoke dust is also reduced through the dust blocking plate, and the body health of the workers is effectively protected.

The present invention belongs to the technical field of infusion tube processing, and specifically relates to an automatic installation device for a PVC hose clamp and an installation method thereof, which includes a main frame and a pipe supply assembly, a clamp supply assembly and an assembly assembly installed on the main frame, the clamp supply assembly includes a feed pipe, and the assembly assembly includes a pipe insertion sleeve and a transmission box, the transmission box is installed on the pipe insertion sleeve, a guide rod is slidably installed on the transmission box, the guide rod is connected to a push roller through a rotating rod, and the push roller squeezes the hose body. The present invention drives the push roller to squeeze the port of the hose body through the guide rod, and at the same time, the guide rod drives the adjustment wheel body to move through the arc-shaped connecting sleeve, thereby increasing the opening size of the liquid-stop clamp body, so that the caliber of the liquid-stop clamp body is much larger than the end of the hose body, thereby avoiding the situation in which the hose body is squeezed and deformed by the adjustment wheel body on the liquid-stop clamp body during the installation of the liquid-stop clamp body, resulting in the hose body port being unable to pass through the liquid-stop clamp body.

The utility model provides a warmer which comprises a shell, a wind wheel, a volute tongue and a volute, the wind wheel, the volute tongue and the volute are arranged in the shell, the volute is provided with a wind guiding channel, the wind wheel is arranged in the wind guiding channel, the volute tongue is arranged in the wind guiding channel in a pivoted mode, the volute is connected with the volute tongue through a thermal deformation piece, and the thermal deformation piece is arranged in the shell. And the thermal deformation piece controls the volute tongue to deflect relative to the volute according to the thermal expansion and cold contraction characteristics so as to change the opening size of the air guide outlet of the air guide channel. According to the warmer, the volute tongue is arranged on the volute in the pivoted mode, the volute tongue and the volute are connected through the thermal deformation piece, and the thermal deformation piece controls the opening size of the air guide outlet limited by the volute tongue and the volute based on the heat expansion and cold contraction characteristic so as to control the air outlet amount of the air guide channel. Therefore, the hot air output efficiency of the warmer is controlled.

The invention discloses a display panel, a preparation method thereof and a display device. The display panel comprises a substrate and a pixel defining layer located on one side of the substrate, and a first opening is formed in the pixel defining layer; a light emitting device in the first opening; the packaging layer is located on one side, deviating from the substrate, of the pixel defining layer and the light-emitting device and is used for packaging the light-emitting device; the supporting layer and the black matrix are sequentially stacked on the side, away from the substrate, of the packaging layer, a third opening and a fourth opening are formed in the black matrix, the orthographic projection of the third opening on the substrate covers the orthographic projection of the first opening on the substrate, and the orthographic projection of the fourth opening on the substrate is not overlapped with the orthographic projection of the third opening on the substrate; the supporting layer is located in the fourth opening and makes contact with the peripheral side wall of the fourth opening. According to the display panel, the actual size of the fourth opening in the black matrix cannot be increased, and therefore it is guaranteed that the fourth opening area of the black matrix is not easily recognized by human eyes.