Abstract: An anti-disassembly connector, including: a connecting portion; and at least two bosses, where the bosses protrude from an end or a peripheral wall of the connecting portion, the bosses extend along a circumferential edge of the connecting portion, each of the bosses has a force-bearing surface and a force-releasing surface that are disposed opposite to each other, and two bosses are disposed at intervals along the circumferential edge of the connecting portion or the peripheral wall of the connecting portion; and a force-bearing sideline is formed on a side of the force-bearing surface away from the connecting portion, a distance between force-bearing sidelines of the two bosses is clamping distance L, an outer diameter of each of the at least two bosses has D, and L<D.

Abstract: A driver and a control valve are provided. The control valve includes a valve body, a first valve core and a second valve core. The valve body provided with a valve cavity. A side wall of the valve body is provided with a plurality of communicating holes, and the communicating hole penetrates through the side wall of the valve body and is in communicate with the valve cavity. The first valve core is rotatably disposed at one end of the valve cavity, the first valve core is provided with a plurality of first passages and a plurality of second passages on a circumferential side of the first valve core. The second valve core is rotatably disposed at the other end of the valve cavity, and the second valve core is coaxially disposed with the first valve core, and the second valve core is coaxially disposed with the first valve core.

Abstract: A four-way valve and an air conditioning system provided with same are provided. The four-way valve includes a valve body, a piston and a sealing member. The valve body is provided with a valve cavity. The piston is movably disposed in the valve cavity. The sealing member is disposed on the piston and at least a part of the sealing member fits against an inner wall of the valve cavity. The valve cavity is separated into a high-pressure chamber and a low-pressure chamber by the piston. The piston is provided with an air passage structure which is in communication with the sealing member, and the air passage structure is in communication with the high-pressure chamber. A medium in the high-pressure chamber is in contact with the sealing element through the air passage structure.

Abstract: A gas-liquid separator and an air conditioning device are provided. The gas-liquid separator includes a shell, an air outlet pipe, a filter member, and a fixed frame. The shell is provided with a liquid storage chamber. The air outlet pipe is at least partially disposed in the liquid storage chamber, and a portion of the air outlet pipe located in the liquid storage chamber is provided with a filter port. The filter member is fixedly connected to the filter port of the air outlet pipe to filter medium entering the air outlet pipe from the filter port. The fixed frame is fixedly connected to the shell and the filter member.

Abstract: A reversible electromagnetic valve is provided, which includes a valve seat having a valve port, a slider slidably connected to the valve seat, and a driving member. The driving member can drive the slider to move in contact with the valve seat to use a sealing surface of the slider to selectively block the valve port. The sealing surface of the slider has a sealing point; the sealing point is provided corresponding to a limit position of an edge of the valve port of the valve seat, such that when the slider drives the sealing point to cross the valve port, the sealing surface of the slider can block the valve port; and under action of a pressure difference, a position where the sealing point of the slider is located is not lower than a plane where the edge of the valve port is located.

Abstract: A reversible electromagnetic valve and an air conditioning unit are provided. The reversible electromagnetic valve includes a valve body and a valve core assembly, the valve body is provided with a valve cavity, and the valve core assembly is arranged in the valve cavity. The valve core assembly includes a piston and a connecting rod, wherein the piston is provided with a connecting hole, one end of the connecting rod penetrates through the connecting hole and is connected with the piston, and the connecting rod includes a tapered section, an outer diameter of which gradually changes along an axial direction of the connecting rod component. The tapered section extends into the connecting hole and abuts against an inner wall of the connecting hole, so that the connecting rod component is sealed and connected with the piston.

Abstract: A check valve is provided. The check valve includes a valve body and a piston unit. The valve body includes a valve cavity and a valve port. The valve body is provided with an inlet and an outlet. The valve port is located between the inlet and the valve cavity. The outlet is in communication with the valve cavity. The piston unit is capable of moving in the valve cavity along an axis of the valve body to open/close the valve port. The valve cavity includes a flaring portion. Along the axis of the valve body, a flow area of a cross section of the flaring portion is greater than a flow area of a cross section of the valve port.

Abstract: A valve device is provided, including a valve body unit and a valve seat. The valve seat is provided with a mounting cavity, and an end of the valve body unit is mounted in the mounting cavity. The valve device further includes a limiting unit, an outer side wall of the valve seat is provided with a mounting hole in communication with the mounting cavity along a radial direction of the mounting cavity, a side wall of the mounting cavity is recessed to form a mounting groove corresponding to the mounting hole, an end of the limiting unit extends into the mounting cavity from the mounting hole and is inserted into the mounting groove, and the limiting unit that extends into the mounting cavity abuts against the valve body unit to perform limiting along an axial direction and a circumferential direction between the valve body unit and the valve seat.

Abstract: A reversible electromagnetic valve and an air conditioning unit are provided. The reversible electromagnetic valve includes a valve body and a valve core assembly. A first communication port and a second communication port are respectively formed in two sides of the valve body provided with a valve cavity. The valve core assembly is capable of slidably moving in the valve cavity and includes a connecting rod, a slider unit and a piston unit. The slider unit and the piston unit are respectively connected to two ends of the connecting rod. The slider unit is arranged adjacent to the first communication port and the second communication port opposite to each other. The slider unit is configured to block both the first communication port and the second communication port and the piston unit is capable to be pushed to slide in the valve cavity.

Abstract: The present disclosure provides an electric valve, including: a valve seat, the valve seat having an end surface and a slot; a valve body, a portion of the valve body penetrating in the valve seat, and another portion of the valve body protruding from the end surface; a coil portion sleeved over the valve body, the coil portion and the slot being respectively located on two sides of the end surface; and a connection portion, the connection portion including a connection member and a support member and a clamping member arranged on the connection member. The connection member is fixedly connected to the coil portion, the support member abuts against the end surface, and the clamping member is clamped with the slot.

Abstract: A valve device is provided. The valve device includes a valve body unit, a mounting seat and a valve seat. The valve device further includes a fastening member. The mounting seat is provided with a limiting step, and a side surface of the valve seat is provided with a connecting hole in communication with the mounting hole along a direction perpendicular to an axis of the mounting hole. And an end of the fastening member extends into the mounting hole from the connecting hole and abuts against the limiting step.

Abstract: An electromagnetic valve and an electromagnetic valve assembly are provided. The electromagnetic valve includes a first elastic member. An end of the first mounting cavity proximal to the valve port is provided with a limiting portion integrated with the valve body, the first elastic member is sleeved on the plugging assembly. One end of the first elastic member abuts against the plugging assembly, the other end of the first elastic member abuts against the valve body, and an outer surface of the other end of the first elastic member abuts against the limiting portion.

Abstract: An electromagnetic valve and an electromagnetic valve assembly are provided. The electromagnetic valve includes: a valve body, which at least includes a valve seat, the valve seat being mounted on a mounting base; a magnetic conductive frame, which is fixed to the valve seat; and an electromagnetic driving assembly, which is mounted in the magnetic conductive frame. The magnetic conductive frame is provided with a positioning member, and the positioning member cooperates with the mounting base so as to restrict the electromagnetic driving assembly from rotating relative to the mounting base.

Abstract: A liquid accumulator and a refrigerating system having same are provided. The liquid accumulator includes a tank body component, a valve seat, a baffle, and a one-way valve. The tank body component has a tank cavity, and the valve seat and the baffle are arranged in the tank cavity and abut against a side wall of the tank cavity, respectively. The valve seat is provided with a valve port, and the baffle is provided with a communicating port. The one-way valve includes a valve plate, a valve core, and a blocking portion connected to the valve core. The valve plate is arranged at an end of the one-way valve that is proximal to the valve port. The valve plate can block the valve port and abut against the valve core, and an end of the valve core away from the valve plate passes through the communicating port.