10results about How to "Small size limit" patented technology

The utility model relates to injection mold technical field especially is involved in a kind of multi-meridian cup body injection mold based on compact design of line position, including mutually matched upper die main body and lower die main body, upper die main body and lower die main body between being provided with multiple die pin assemblies, and upper die main body is provided with the glue inlet system that butt joins in die pin assembly, lower die main body is provided with the ejection mechanism that butt joins in die pin assembly, die pin assembly includes mutually butt-joined upper die pin and lower die pin, upper die pin is provided with product outside profiling groove, upper die pin is also provided with the glue inlet component that butt joins product outside profiling groove with glue inlet system;By integrating line position slider in the side line position sliding groove of ejector plate, compact design of line position is realized in combination with shovel base, elastic member and limiting structure, the space occupied by line position mechanism is greatly reduced, so that multiple die pin assemblies can be arranged in smaller size, multi-meridian injection molding is realized, and space utilization and production efficiency are effectively improved.

The utility model relates to a kind of split type membrane filter, including filter piece and sample container;Sample container is formed with container cavity in it, and container nozzle is provided on sample container, and container nozzle is used for sample liquid to enter and exit container cavity;Filter piece is provided with filter cavity in it, and the bottom of filter piece is provided with water outlet hole communicated with filter cavity, filter membrane is provided in filter cavity, and filter membrane is used to filter liquid from filter cavity to water outlet hole;Interface is provided on filter piece and is communicated with filter cavity, and interface is suitable for detachably connected with container nozzle;When container nozzle is connected with interface, sample container is connected with filter piece as a whole, and container cavity is communicated with filter cavity by the channel formed by the connection of container nozzle and interface.The utility model can sample and transport sample liquid by sample container, and it is beneficial to the popularization of membrane filtration method.The utility model reduces the restriction to the size of filter piece, which helps to reduce the manufacturing cost, storage cost and transportation cost of filter piece.

The utility model relates to an automatic heat dissipation protective cover based on convection, which comprises a cover body sleeved on the periphery of a material pipe, the cover body is provided with heat dissipation holes, the protective cover further comprises an opening and closing plate and a driving piece, the opening and closing plate moves along the axial direction of the material pipe, and heat dissipation grooves capable of being matched with the heat dissipation holes to form heat dissipation channels are formed in the opening and closing plate. And in the movement of the opening and closing plate, the heat dissipation grooves and the heat dissipation holes are partially or completely aligned and communicated to open the heat dissipation channel, or the heat dissipation grooves and the heat dissipation holes are staggered and spaced to close the heat dissipation channel. On one hand, through the axial movement of the opening and closing plate, the movement stroke is short, and the limitation on the size of the heat dissipation holes can be reduced, so that the heat dissipation area of the heat dissipation holes is increased, and the heat dissipation efficiency is effectively improved; on the other hand, the heat dissipation channel can be automatically opened and closed to achieve heat dissipation or heat insulation, operation is easy and convenient, and the operation safety of equipment can be guaranteed.

The cooking utensil comprises a shell, a circuit board transversely arranged in the shell and a deflector rod capable of swinging relative to the shell, one end of the deflector rod is located on the outer side of the shell to form an operation end, the other end of the deflector rod is located in the shell to form a trigger end, and the circuit board is provided with two response elements which are oppositely arranged and located on the two sides of the trigger end. The operation end is shifted to drive the trigger end to swing, so that the trigger end triggers one of the response elements, a receding notch is formed in the part, located between the two response elements, of the circuit board, and the projection of the shifting rod on the circuit board is completely located in the receding notch. According to the cooking utensil, the avoiding notch is formed in the circuit board, the shifting rod can be prevented from interfering with the circuit board in the assembling process, the machining precision and the assembling precision of the circuit board and the shifting rod are reduced, and then the manufacturing cost of the cooking utensil is reduced.

The utility model belongs to the technical field of road cleaning equipment, and particularly relates to a suction cup structure and a cleaning and sweeping vehicle. A suction cup structure comprises a suction cup, the suction cup comprises a suction cup body generating negative pressure, and the direction, pointing to the front portion of the suction cup body, of the rear portion of the suction cup body is the same as the working direction of the suction cup body; the suction cup further comprises a plurality of front rubber sheets, a rear rubber plate and a dirt suction opening, the front rubber sheets are arranged on the front portion of the lower surface of the suction cup body, the dirt suction opening is formed in the middle of the lower surface of the suction cup body, and the rear rubber plate is fixedly arranged on the portion, behind the dirt suction opening, of the lower surface of the suction cup body. The limitation of the suction cup on the size of garbage during working can be reduced, garbage in the working space of the suction cup is prevented from escaping, and the cleaning efficiency is improved.

The utility model discloses a kind of grinder mechanisms of clutch housing, belong to clutch processing field.The device includes clamping block and push block being arranged on the surface of processing table, positioning is carried out to clutch housing by clamping assembly on the surface of clamping block, and accommodating groove is opened on the surface of workbench, and by accommodating groove, the clutch housing that clamping block can clamp will not be limited by the surface of workbench, the diameter of clutch housing can be greater than the distance of clamping block and the surface of workbench, and driving roller that can move up and down and left and right is arranged on the surface of push block, and the inner wall of clutch housing of more size can be contacted by driving roller, and the height of push block and clamping block is relatively smaller to the size limit of processable clutch housing, and driving roller and sanding sheet are set to detachable, after using for a period of time, operator can replace according to wear condition, or different sanding sheet is replaced according to different polishing requirement.

The present invention provides a multi-band coaxial four-ridged horn combined feed and a manufacturing method, which relate to the fields of satellite communication, remote sensing and telemetry, and radio astronomy. The feed includes a coaxial horn, the inner conductor of the coaxial horn is a plain wall horn, the plain wall horn is indented inward relative to the horn mouth of the outer conductor of the coaxial horn, the tail flange of the plain wall horn is connected to the tail short-circuit plate of the outer conductor of the coaxial horn, and the outer conductor of the coaxial horn and / or the plain wall horn are provided with 4 ridges, the angle between adjacent ridges is 90 degrees, and each ridge is provided with a probe perpendicular to the central axis of the plain wall horn, the probe passes through the outer conductor of the coaxial horn and the ridge, and is inserted into the outer wall of the plain wall horn, and the probe is externally connected to the SMA socket for feeding. The present invention has excellent electrical performance, compact structure, high design freedom, and a wide range of application scenarios, and can be used as a dual-frequency shared feed or a triple-frequency shared feed.

The embodiment of the invention discloses an optical filter, a wavelength division multiplexer and a system, the optical filter comprises a mode multiplexer, a substrate, a cladding, a first grating, a second grating and a waveguide, and the mode multiplexer is connected with the waveguide. The cladding is disposed on the substrate and covers the mode multiplexer, the first grating, the waveguide and the second grating. The mode multiplexer is used for receiving optical signals from the input end of the optical filter and transmitting the optical signals to the waveguide, the first grating and the second grating. The first grating, the waveguide and the second grating are arranged at intervals in the first direction, and the first direction is parallel to the surface of the substrate. The design of the optical filter can reduce the limitation of bandwidth on the size of the grating teeth and reduce the difficulty of the production process. The distance between the first grating and the waveguide and the distance between the second grating and the waveguide are both decreased and then increased in the light transmission direction, the light transmission direction is parallel to the surface of the substrate and is perpendicular to the first direction, and the side lobe suppression function is achieved.

The invention discloses an air outlet structure, an air conditioning system and a vehicle, the air outlet structure is provided with a plurality of air guide parts in a shell part, on the premise of a single shell part, the air guide requirements in different directions are met, relative swing among a plurality of shells is omitted, and the air outlet structure is simple in structure and convenient to use. The first air guiding part and the second air guiding part cooperatively work to achieve reliable air blocking and guiding effects, airflow can be blown out in different directions through cooperation with the third air guiding part, the air guiding purpose is achieved, the size of the air outlet structure in the vertical direction of a vehicle is greatly reduced, the rich design states in the narrow air opening direction and the linear air opening direction are achieved, and the air outlet structure is suitable for large-scale popularization and application. The size limitation of the overall structure in the space in the vertical direction is reduced, the space occupation of the air outlet structure in the air guiding state is reduced, the situation that an original air outlet structure depends on an instrument board structure to be arranged is avoided, the arrangement flexibility of an air conditioner system is improved, the number of overall assembly parts is reduced, and the production and assembly efficiency is improved. The operation difficulty is reduced, and the production efficiency is improved.

The utility model provides a novel drainer. The novel drainer comprises a rubber mat, a cup body, a sleeve and a locking cylinder, the axial section of the rubber pad is I-shaped, and the rubber pad comprises a top sealing pad, a middle sealing ring and a bottom sealing pad. The outer diameter of the cup body is equal to the inner diameter of the middle sealing ring, and the cup body is provided with a pressing ring. The sleeve and the locking cylinder are sequentially arranged on the periphery of the cup body in a sleeving mode, and the locking cylinder locks the sleeve to the bottom of a water outlet of a water tank through threads. According to the drainer provided by the utility model, the integrated I-shaped rubber pad is adopted, so that the situation that the two sealing pads are misplaced during assembly can be reduced, and the situation that the cup body is mounted obliquely or wrongly is solved. After the rubber mat is installed, the rubber mat has the effect of pinching the water outlet of the water tank, is good in continuity and high in sealing performance, and also has the centering effect on the cup body. Besides, when the locking cylinder is screwed, the top surface of the sleeve is used for pressing the bottom sealing gasket, so that the condition that the bottom sealing gasket is twisted or rotated can be reduced or avoided, and the problem of sealing failure is further avoided.