Abstract: A crosshead assembly includes a crosshead, a connecting rod, and a pin shaft. The crosshead is provided with an arc-shaped groove, and the crosshead is further provided with a first mounting hole. One end of the connecting rod has a circular arc shape and is disposed in the arc-shaped groove; the connecting rod is further provided with a second mounting hole corresponding to the first mounting hole; a first oil hole penetrates through the connecting rod in a length direction of the connecting rod. The pin shaft extends into the first mounting hole and the second mounting hole, such that the connecting rod is rotatably connected to the crosshead; the pin shaft is provided with a second oil hole, such that two first oil holes located at two ends of the second mounting hole are in communication.

Abstract: Embodiments of the present disclosure provide an image processing method, a wearable device, and a wearable system, which relate to the field of computer technologies. The method includes: when a user wears the wearable device, controlling a camera to shoot a current environment to obtain a first original image file in response to a shooting instruction; and after the wearable device is placed in the storage apparatus, sending the first original image file to the storage apparatus, where the storage apparatus is configured to store the wearable device when the wearable device is not worn, and the storage apparatus is capable of processing the first original image file.

Abstract: This disclosure describes a diverter assembly, a valve box, and a plunger pump. The diverter assembly includes a diverter, a first valve body, a second valve body, first valve rubber, and second valve rubber. The diverter includes liquid drainage and inlet holes. The liquid drainage hole is communicated with first and second end surfaces facing away from each other in an axial direction of the diverter, and the liquid inlet hole is communicated with a side surface and the first end surface. The first valve body is configured to block the liquid inlet hole and to communicate a communication hole and the liquid drainage hole. The second valve body is configured to block the liquid drainage hole. The first and second valve rubber is configured to hermetically connect the first valve body and the first end surface, and to seal the second valve body and the second end surface, respectively.

Abstract: Embodiments of the present disclosure provide a medical bed apparatus, a medical system, and a medical method. The medical bed apparatus includes a medical bed, a movable bed board, and a conveying device. The conveying device is detachably docked with the movable bed board, and the conveying device is configured to transfer, on the medical bed, the movable bed board. The medical system includes a medical device and the medical bed apparatus.

Abstract: This disclosure describes a diverter assembly, a valve box, and a plunger pump. The diverter assembly includes a diverter, a first valve body, a second valve body, first valve rubber, and second valve rubber. The diverter includes liquid drainage and inlet holes. The liquid drainage hole is communicated with first and second end surfaces facing away from each other in an axial direction of the diverter, and the liquid inlet hole is communicated with a side surface and the first end surface. The first valve body is configured to block the liquid inlet hole and to communicate a communication hole and the liquid drainage hole. The second valve body is configured to block the liquid drainage hole. The first and second valve rubber is configured to hermetically connect the first valve body and the first end surface, and to seal the second valve body and the second end surface, respectively.

Abstract: A valve spring holder, a valve box, and a plunger pump. The valve spring holder includes a body part, a first supporting part, a second supporting part, a spring mounting part, and a limiting groove. The first supporting part is connected to a first end part of the body part. The second supporting part is connected to a second end part of the body part. The spring mounting part is connected to a middle part of the body part. The first supporting part includes a first supporting surface, the second supporting part includes a second supporting surface, the first supporting surface and the second supporting surface are in contact with the valve box, and the limiting groove is located in at least one of the first supporting part and second supporting part, and is exposed to at least one of the first supporting surface and second supporting surface.

Abstract: A motion platform, a medical bed, and a medical device are provided. The motion platform may include a moveable plate, a first driving mechanism, a second driving mechanism, and a fulcrum mechanism. The first driving mechanism and the second driving mechanism may be connected to the moveable plate at a first support point and a second support point, respectively. The fulcrum mechanism may be connected to the moveable plate at a third support point. The first support point, the second support point, and the third support point may be non-collinear. The first driving mechanism and the second driving mechanism may be configured to cause the moveable plate to move in at least two degrees of freedom relative to the third support point.

Abstract: A valve assembly and a plunger pump are disclosed. In one example, the valve assembly includes a valve seat, a valve body, valve rubber, and a wear-resistant ring, where the valve seat is provided with a guide cavity, the valve body includes a guide claw and an attachment disc which are fixedly connected, the guide claw is in sliding fit with the guide cavity, the attachment disc is provided with a mounting groove, the valve rubber is embedded in the mounting groove, the wear-resistant ring is made of a wear-resistant material, hardness of the wear-resistant ring is greater than hardness of the valve seat, the wear-resistant ring and the valve seat are relatively fixed, and in a case that the valve assembly is in a closed state, the attachment disc and the valve rubber are both attached to a surface of the wear-resistant ring.

Abstract: A motion platform, a medical bed, and a medical device are provided. The motion platform may include a moveable plate, a first driving mechanism, a second driving mechanism, and a fulcrum mechanism. The first driving mechanism and the second driving mechanism may be connected to the moveable plate at a first support point and a second support point, respectively. The fulcrum mechanism may be connected to the moveable plate at a third support point. The first support point, the second support point, and the third support point may be non-collinear. The first driving mechanism and the second driving mechanism may be configured to cause the moveable plate to move in at least two degrees of freedom relative to the third support point.

Abstract: Provided is a clip, comprising: a first clamping part, a rotary shaft being arranged thereon; a second clamping part, arranged opposite to the first clamping part, a rotary shaft hole being arranged on the second clamping part corresponding to the rotary shaft, and the rotary shaft being fitted in the rotary shaft hole to achieve a rotational connection of the first clamping part and the second clamping part; a spring, sandwiched between the first clamping part and the second clamping part; and a chip, arranged in the first clamping part and/or the second clamping part and used for storing data information. The clip of the present invention has an ingenious structure and is easy to configure. Also provided is a refrigerating/freezing apparatus having the clip.

Abstract: This disclosure describes a diverter assembly, a valve box, and a plunger pump. The diverter assembly includes a diverter, a first valve body, a second valve body, first valve rubber, and second valve rubber. The diverter includes liquid drainage and inlet holes. The liquid drainage hole is communicated with first and second end surfaces facing away from each other in an axial direction of the diverter, and the liquid inlet hole is communicated with a side surface and the first end surface. The first valve body is configured to block the liquid inlet hole and to communicate a communication hole and the liquid drainage hole. The second valve body is configured to block the liquid drainage hole. The first and second valve rubber is configured to hermetically connect the first valve body and the first end surface, and to seal the second valve body and the second end surface, respectively.

Abstract: The present disclosure relates to a cavity of a medical device. The cavity may include a bore and an accommodating cavity configured to provide an accommodating space for at least a portion of a couch in a radial direction of the bore. The accommodating cavity may be disposed on an inner wall of the bore and extend along an axial direction of the bore, and the accommodating cavity may be configured to form, with the bore, a connected space in which the at least a portion of the couch is allowed to move along an axial direction of the bore.

Abstract: The present disclosure relates to a cavity of a medical device. The cavity may include a bore and an accommodating cavity configured to provide an accommodating space for at least a portion of a couch in a radial direction of the bore. The accommodating cavity may be disposed on an inner wall of the bore and extend along an axial direction of the bore, and the accommodating cavity may be configured to form, with the bore, a connected space in which the at least a portion of the couch is allowed to move along an axial direction of the bore.

Abstract: Embodiments of the present application provide a needle winding assembly for winding electrode plates and a separator and a winding device. The winding needle assembly includes a first winding needle and a second winding needle for clamping the separator, and the second winding needle is provided with a rolling member on a side of the second winding needle toward the first winding needle. Due to the presence of the rolling member, there is rolling friction between the rolling member and the first winding needle, reducing the friction between the first winding needle and the second winding needle, which avoids scratching the separator when the winding needle assembly is inserted into the separator or pulled out of the separator, or avoids misplacing and bringing out part of the separator when the second winding needle is pulled out, which otherwise would reduce the production efficiency of the battery.

Abstract: The present disclosure relates to a medical device. The medical device comprises a gantry; a first support member rotatably mounted on the gantry around a first rotation axis; and a treatment device including a treatment ray emitter configured to emit treatment rays and a treatment ray receiver configured to receive the treatment rays, the treatment ray emitter and the treatment ray receiver being rotatably mounted on the first support member around a second rotation axis synchronously, wherein the first rotation axis intersects with the second rotation axis.

Abstract: A valve spring fixing device and a plunger pump are disclosed. The valve spring fixing device includes a spring fixing piece, which includes a first supporting surface and a second supporting surface located at two ends of the spring fixing piece, and an intermediate portion located between the first supporting surface and the second supporting surface; and a spring mounting portion connected with the intermediate portion and configured to mount a valve spring, the first supporting surface and the second supporting surface are configured to contact with a valve box to fix the valve spring fixing device.

Abstract: A cover, a fluid end and a plunger pump are provided. The cover includes: a body, the body being cylindrical, and the body including a first end, a second end, and a side surface connecting the first end and the second end; a main flow channel extending along an axis of the body; a plurality of subsidiary flow channels, each of the plurality of subsidiary flow channels being communicated with the main flow channel; a first opening, located at the first end and communicated with the main flow channel; and a plurality of second openings, located at the side surface of the body; each of the plurality of subsidiary flow channels being communicated with at least one of the plurality of second openings.