11results about How to "Increase manufacturing difficulty" patented technology

The invention provides a pump body assembly, a compressor and a refrigerator. The pump body assembly comprises an air cylinder base, a connecting assembly, a crankshaft, a first compression assembly and a second compression assembly. The cylinder seat is at least provided with a first cylinder and a second cylinder, the first cylinder and the second cylinder are arranged on the same side in the horizontal direction, and the center line of the first cylinder is parallel to the center line of the second cylinder; the first compression assembly comprises a first connecting rod and a first piston, the second compression assembly comprises a second connecting rod and a second piston, the connecting assembly is connected with the crankshaft, the first end of the first connecting rod and the first end of the second connecting rod are connected with the connecting assembly, the second end of the first connecting rod is connected with the first piston, and the second end of the second connecting rod is connected with the second piston. By arranging the connecting assembly, the assembling process can be simplified, the structure of the crankshaft can be simplified, and the crankshaft is easier to assemble.

The invention provides a pump body assembly, a compressor and a refrigerator. The pump body assembly comprises an air cylinder base, a direction dividing piece, a crankshaft, a first piston and a second piston. The cylinder seat is at least provided with a first cylinder and a second cylinder, the first cylinder and the second cylinder are arranged on the same side in the horizontal direction, and the center lines of the first cylinder and the second cylinder are parallel to each other; the crankshaft is arranged in the air cylinder seat, the diverting piece comprises a first supporting rod and a second supporting rod, the connecting end of the first supporting rod is connected with a first piston, and the first piston is slidably arranged in the first air cylinder; the connecting end of the second supporting rod is connected with a second piston, and the second piston is arranged in a second air cylinder in a sliding mode. The direction dividing piece comprises the first supporting rod and the second supporting rod, the two compression assemblies can be arranged in a limited space, it is ensured that the first supporting rod and the second supporting rod have certain flexibility, the direction dividing piece transmits the rotating motion of the crankshaft to the first supporting rod and the second supporting rod, and assembling is simplified.

The utility model relates to the field of emergency equipment, and provides a lamp box and an emergency lighting lamp, the lamp box and the emergency lighting lamp comprise a bottom wall and a plurality of walls, the plurality of walls are erected from the bottom wall along the periphery of the bottom wall, every two adjacent walls of the plurality of walls are mutually jointed to form a box body corner angle, and a port is enclosed in the direction far away from the bottom wall; the cover body is covered on the port; wherein the corner angles of the box body outwards form an arc transition surface. Therefore, the use safety of the emergency lighting lamp is improved.

The invention provides a pump body assembly, a compressor and a refrigerator. The pump body assembly comprises an air cylinder base, a connecting base, a crankshaft, a first compression assembly and a second compression assembly. The cylinder seat is at least provided with a first cylinder and a second cylinder, the first cylinder and the second cylinder are arranged on the same side in the horizontal direction, and the center line of the first cylinder is parallel to the center line of the second cylinder; the first compression assembly comprises a first connecting rod and a first piston, the second compression assembly comprises a second connecting rod and a second piston, the connecting base is connected with the crankshaft, the first end of the first connecting rod and the first end of the second connecting rod are rotationally connected with the connecting base, and the second end of the first connecting rod is connected with the first piston. The second end of the second connecting rod is connected with the second piston. The first ends of the two connecting rods are rotationally connected with the connecting base, the two compression assemblies can be arranged in a limited space, the structure of the crankshaft can be simplified by using the connecting base, and assembling is easier.

The utility model relates to the technical field of grinding equipment, in particular to large-size product double-face grinding and polishing equipment which comprises a rack. The top grinding mechanism comprises an upper grinding disc used for grinding the upper surface of the product; the bottom grinding mechanism comprises a lower grinding disc used for grinding the lower surface of the product; the dragging mechanism comprises a bracket, a retainer, a first driving device and a second driving device; the bracket is installed on the rack through the first driving device, the first driving device is used for driving the bracket to move horizontally, the second driving device is installed on the bracket, the holder is installed on the second driving device, the second driving device is used for driving the holder to rotate, and the holder is provided with a cavity which is the same as a product in shape and size and used for loading the product.

A housing includes a shell, three sheet metal parts, a long rib, a short rib, and two sheet metal parts. The shell contains annularly distributed inner support blocks. An upper flange is located at the top of the shell, a lower flange at the bottom, and a middle flange is located between the upper and lower flanges on the inner wall of the shell. Two sheet metal parts are located between the lower flange and the side wall of the shell. The sides of the two sheet metal parts are connected to the side of the middle flange by an arc-shaped connecting plate. An upper horizontal circumferential seam exists at the connection between the connecting plate and the middle flange, and a lower horizontal circumferential seam exists at the connection between the connecting plate and the two sheet metal parts. Gaps exist at both the upper and lower ends of the side wall of the shell, filled with insulating cotton sealing plates. A layer of insulating cotton is also provided on the inner wall of the shell. This design reduces the depth of the arc crater, effectively avoiding arc crater crack defects, simplifies the manufacturing of structural components, and significantly improves the welding quality of the wall panels and the housing.

The embodiment of the invention discloses an optical communication device for a deep sea environment. According to one specific embodiment, the optical communication device for the deep sea environment comprises a conical lens, a main reflector, a second reflector, a detector target surface, a lens mounting support and a connecting support, and the lens mounting support comprises a first lens mounting groove, a second lens mounting groove and at least one connecting column. At least one connecting column is connected between the first lens mounting groove and the second lens mounting groove; the main reflecting mirror is fixed in the first lens mounting groove, the conical lens is fixed in the second lens mounting groove, and the central points of the main reflecting mirror and the conical lens are on the central axis of the lens mounting bracket; the second reflecting mirror is fixed on at least one connecting column through a connecting bracket; and the detector target surface is fixed on one of the at least one connecting column. According to the embodiment, not only can the daylighting rate be ensured, but also the pressure-resistant requirement is reduced, the size and the weight of equipment are effectively reduced, and the manufacturing cost is reduced.

A LiDAR device according to an embodiment of the present invention includes: a light emitting unit configured to emit a light signal toward an object; and a light receiving unit for receiving a light signal reflected from the object. The light emitting unit includes: a light source, a first homogenizer lens spaced apart from the light source, and a second homogenizer lens spaced apart from the light source. Each of the first and second homogenizer lenses has: a first surface facing the light source; and a second surface opposite to the first surface. The first surface of the first homogenizer lens includes a plurality of first raised patterns arranged adjacent to each other in a first direction, and the first surface of the second homogenizer lens includes a plurality of second raised patterns arranged adjacent to each other. Each of the second surfaces of the first and second homogenizer lenses is a flat surface, and the second homogenizer lens is inclined relative to the second surface of the first homogenizer lens about a virtual first axis in a third direction perpendicular to the first direction.

The application discloses a display panel and a display device. The display panel comprises a substrate, a pixel layer arranged on one side of the substrate, the pixel layer comprising a plurality of pixel units, each pixel unit comprising at least two sub-pixels with different colors; a color resistance layer comprising at least two layers of sub-color resistance layers with different colors, each sub-color resistance layer comprising a light transmission opening and a color resistance part distributed around the light transmission opening, the color resistance part comprising a light filtering sub-part and a functional sub-part arranged around the light filtering sub-part, the light filtering sub-part being located on the side of the sub-pixel with the same color as itself away from the substrate, the functional sub-parts of the at least two layers of sub-color resistance layers with different colors being stacked to form a light blocking structure, in the two adjacent sub-color resistance layers, the light filtering sub-part of the sub-color resistance layer away from the substrate is located in the light transmission opening of the sub-color resistance layer close to the substrate, and the refractive index of the sub-color resistance layer on the side close to the substrate is smaller than that of the sub-color resistance layer away from the substrate.

The present application provides a method for preparing a second-order holographic film of polyurethane acrylate and a second-order holographic film, which uses a capping agent to cap the first-order isocyanate, passivate the activity of the isocyanate group, extend the storage time of the glue, and avoid the continuous thickening of the material viscosity during the processing process, resulting in rheological differences, process fluctuations, and increased difficulty in material preparation.

The utility model discloses a GVU valve box, GVU valve group is provided in valve box body, and valve box body includes left half box body and right half box body, and left half box body and right half box body are fixedly connected through bolt nut, and GVU valve group includes three way ball valve and self -operated pressure regulating valve, and the valve box body is installed with inlet pipe, outlet pipe and diffusion pipe, and self -operated pressure regulating valve is connected outlet pipe and connecting pipe respectively, and three way ball valve is connected inlet pipe, diffusion pipe and connecting pipe respectively. The GVU valve box of the utility model is convenient to install and overhaul, and simple structure can reduce cost.