10results about How to "Good throttling effect" patented technology

This utility model provides an angle regulating valve. The angle regulating valve includes: a valve body, a valve seat, a pressure block, a sleeve, a valve stem, a valve core head, and a throttling mechanism. The valve seat is disposed on the bottom of the valve body, and the valve seat and valve body are fixed together by fixing bolts. The pressure block is slidably installed inside the valve seat, and the sleeve is slidably installed inside the valve seat. The top of the sleeve engages with the bottom of the valve body, and the bottom of the sleeve engages with the top of the pressure block. The sleeve is adapted to the bottom of the valve body and the top of the pressure block. The valve stem is slidably installed on the valve body. The angle regulating valve provided by this utility model, through a three-stage filtration and throttling design of a filter plate, a first throttling plate, and a second throttling plate, combined with staggered distribution of throttling orifices, forms a complex flow channel, significantly improving the throttling effect and reducing fluid velocity fluctuations. This effectively reduces fluid noise and improves throttling efficiency.

The present invention discloses a stacked multi-stage threaded pumping sealing structure, wherein a sealing structure is installed between a cavity and a rotating shaft, wherein the sealing structure comprises a sealing shell composed of a high-pressure side shell and a low-pressure side shell, wherein an outer ring cavity and a plurality of threaded ring cavities are arranged in the sealing shell; a rotor is installed in the center of the sealing shell, an outer ring is arranged in the circumference of the rotor, and a plurality of threaded rings are arranged on both sides of the outer ring, and the rotor, the outer ring and the plurality of threaded rings rotate in corresponding threaded ring cavities; the invention can seal both liquid and gas, and although the invention is a non-contact seal, it has a better throttling effect and a smaller leakage, and even in the parking state with the weakest sealing ability, its sealing ability is still better than that of a conventional labyrinth seal, and this is due to the radial expandability of the stacked multi-stage structure itself, and the more stages there are, the stronger the blocking effect on the fluid.

The utility model relates to the technical field of air conditioner parts, in particular to an air conditioner refrigeration liquid distributor which comprises a shell, a vertical plate, a liquid inlet pipe, a through groove and a liquid outlet pipe, the liquid outlet pipe is arranged at the position, close to the corner, of the top end of the shell through a reserved hole, the through groove is formed in the bottom of the shell in a penetrating mode, and the liquid inlet pipe is arranged in the through groove; a buffering cavity is formed in the top in the shell, the section of the buffering cavity is specifically arranged to be a cone with the wide upper portion and the narrow lower portion, a flowing cavity is formed in the lower end of the buffering cavity, a throttling cavity communicated with the bottom of the flowing cavity is formed in the inner side of the inner wall of the shell, the liquid inlet end of the liquid outlet pipe is located in the liquid outlet pipe, and a throttling part is arranged on the liquid outlet pipe; and during use, a plurality of groups of throttling structures are arranged, the throttling effect can be effectively improved, the uniform effect of a refrigerator entering each capillary tube is good, and the refrigeration effect can be improved.

The present invention discloses a double V-shaped liquid hydrostatic guide rail for diaphragm feedback throttling, comprising a base, a fixed guide rail, a first sliding guide rail, a slider, a double diaphragm feedback throttle, a valve seat, and a second sliding guide rail; the fixed guide rail is fixed on the base, and a first sliding guide rail and a second sliding guide rail slidably connected to the fixed guide rail are respectively arranged on both sides of the fixed guide rail, and the surfaces of the first sliding guide rail and the second sliding guide rail matching with the fixed guide rail are V-shaped, and an oil cavity is arranged on the V-shaped matching surfaces of the first sliding guide rail and the second sliding guide rail; the first sliding guide rail and the second sliding guide rail are fixedly connected to the slider, and the valve seat is fixed on the side of the slider, the left and right ends of the valve seat are connected to the first double diaphragm feedback throttle, and the right end is connected to the second double diaphragm feedback throttle; a total oil inlet hole is arranged on the valve seat, and the total oil inlet hole simultaneously supplies oil to the first and second double diaphragm feedback throttles, and the first and second double diaphragm feedback throttles jointly supply oil to the oil cavity.

The application discloses a buffer device of a linear reciprocating motion type hydraulic cylinder, and mainly comprises a one-way valve assembly, a hydraulic cylinder moving part, a cylinder sleeve and a piston cavity. The free moving sealing body in the one-way valve assembly is used as a control element to control the opening and closing of the one-way valve hydraulic fluid passage, so that the hydraulic flow area of the buffer device is variable, the impact on the hydraulic cylinder moving part at the motion end point is reduced, and the hydraulic cylinder moving part can reach the end point position in time. The opening and closing time of the one-way valve hydraulic fluid passage can be variable according to the moving speed of the hydraulic cylinder moving part and the flow rate of the fluid, and the structure is simple, so that the buffer demand of the hydraulic cylinder moving part under variable working conditions can be met. The application solves the mutual contradiction between the hydraulic cylinder stop lag and the hydraulic cylinder impact in the prior art, and has important significance for improving the safety of the reciprocating motion type hydraulic cylinder.

The utility model relates to atomization device technical field especially improved gas water atomization nozzle device, including mouth, mouth is hollow structure, and one end is connected with the plug through screw thread, the side wall of mouth is equipped with water body import and gas import interval, and the one side of mouth inside is close to water body import and is equipped with water throttle, and it is communicated with water body import and forms water flow channel, the outer end of gas import is equipped with gas throttle and is connected with the sleeve, and it is communicated with mouth inside and forms airflow channel, the inside of mouth is embedded with the inner core, and one end is butt joint with water throttle and gas throttle, and the other end extends to mouth outside and is connected with the shower nozzle, and the outer end of shower nozzle is connected with the fastening nut and is connected with mouth through screw thread, the inside of shower nozzle and the inner core form gas water mixing cavity, and it is communicated with water flow channel and airflow channel, the utility model discloses through optimizing gas water mixing structure and flow channel design, has realized the high -efficient even gas water atomization effect, is applicable to multiple application scene.

The application relates to a self-adaptive pressure regulating valve for a static pressure support bearing (platform) of high-precision numerical control machining equipment, in particular to a compact embedded self-adaptive pressure regulating valve, which comprises a valve core, a valve sleeve, a spring and a cover plate; the whole structure is compact, can be installed in a support table of the static pressure support bearing in a plug-in mode, is convenient to manufacture and install, is convenient to replace, reduces the volume of the related parts of the support table; meanwhile, the throttling effect of the gap throttling part is obvious, the throttling length is very easy to adjust, the flow rate can be well changed through the timely adjustment of the throttling length, and the effect of regulating effective oil supply is achieved; meanwhile, the self-feedback regulation function of the pressure change of the upper cavity of the valve core is realized by the pressure change of the upper and lower cavities, the flow-through and throttling effects of the convex shoulder I of the valve sleeve and the self-control of the discharge flow rate of the oil discharge port.

The application discloses a slit-adjustable static pressure thrust bearing which mainly comprises a bearing base body, an elastic slit block and a conical thread sleeve. The elastic slit block is provided with conical threads along the circumference, and is connected and fastened with the conical thread sleeve through the conical threads. The slit width is adjusted through the tightening degree, and throttling is realized. The application belongs to the field of air bearings. Through the setting of the conical threads and the elastic slit block, the slit width can be adjusted, thereby reducing the machining difficulty of the slit. The adjustable slit width can also be used to improve the load capacity and stiffness of the bearing, and further improve the performance of the bearing.

The invention relates to a flow restrictor (201) for a mass flow regulator, which is designed to regulate a fluid mass flow, having at least two flow guide elements (214, 215, 216), the flow guiding elements are from the following group: an inlet plate (214) with at least one inlet hole (217), a throttle plate (215) with at least one throttle hole (218), a discharge plate (216) with at least one discharge hole (219), the flow guiding elements (214, 215, 216) are arranged at a distance from one another, and the flow guiding elements (214, 215, 216) are arranged at a distance from one another. The at least one inlet opening (217), the at least one throttle opening (218) and the at least one outlet opening (219) are arranged offset relative to one another in a spatial direction transverse to a central axis (202) of the flow throttle (201).

The application relates to a liquid storage type siphon oil cooling device and belongs to the technical field of refrigeration equipment, which comprises a main liquid storage tank body, the side surface of the main liquid storage tank body is respectively provided with a liquid falling pipe and a plurality of system interfaces, the top of the main liquid storage tank body is respectively provided with a siphon cavity pipe and a gas return pipe, the top of the main liquid storage tank body is provided with the siphon cavity pipe, a special siphon cavity is integrated, the volume of the siphon cavity accounts for about 5% of the total volume of the whole container, through the layout of the cavity-on-cavity, function partition is realized, due to the space expansion and the change of flow velocity, the gas and liquid are sharply flashed and separated, in the siphon cavity, a large amount of gas generated by flashing carries lubricating oil, the lubricating oil is directly and efficiently transported back to the suction pipeline of the compressor through the gas return outlet at the top, the recovery of the lubricating oil is completed, the original function is realized, the overall installation space is reduced, and the floor space is smaller.