63results about How to "Restricted disengagement" patented technology

A capacity varying type rotary compressor comprises a casing (100) that maintains a discharge pressure state; a motor (200) installed in the casing (100) and generating a driving force; one or more cylinder assembly (300,400) fixed in the casing (100) and compressing a refirgerant by a rolling piston (340,430) and a vane (350,440), the rolling piston (340,430) eccentrically coupled to a rotation shaft (230) of the motor (200) and performing a linear motion; and a vane restricting unit (500) for restricting the vane (440) separated from the rolling piston (430) or releasing the vane (440) thereby contacting to the rolling piston (430) according to a difference of pressures applied to the vane (440). In the rotary compressor, an entire structure is simplified thereby to minimize precessing assemblies, resulting in reducing aproduction cost and enhancing a productivity. Furthermore, as the vane (440) is restricted by using a pressure difference of the system, a relibility is enhanced. Especially, in case of using a stopper (550), the reliability of the product can be more enhanced.

The invention discloses a lamp manufacturing and punching device. The lamp manufacturing and punching device comprises a flat plate and bolts, wherein supporting legs are fixedly connected to the twosides of the bottom of the flat plate; sliding grooves are formed in the two sides of the top of the flat plate; sliding blocks are in sliding connection with inner cavities of the sliding grooves; the tops of the sliding blocks extend to the outer parts of the sliding grooves and are fixedly connected with a moving table; transverse grooves are formed in the two sides of the top of the moving table; and first threaded rods are movably connected to the inner walls of the transverse grooves. The lamp manufacturing and punching device has the beneficial effects that the longitudinal position ofa lamp panel can be adjusted, the transverse position of a drill rod can be adjusted, the drilling flexibility is improved, and chippings generated in the drilling process are shielded; and the problems that after an existing lamp panel drilling device fixes the lamp panel, the position of the lamp panel cannot be adjusted, the position of the drill rod cannot be conveniently adjusted, the drilling flexibility is reduced, the chippings cannot be shielded in the drilling process, the chippings are likely to fly to the periphery, and injuries are likely to be brought to operators are solved.

A climbing mechanism used for a comprehensive pipeline routing inspection robot comprises a main walking mechanism and an auxiliary walking mechanism. The main walking mechanism comprises a main platform, a connecting frame and a walking frame which are sequentially and fixedly connected from top to bottom, the walking frame is of an annular structure, a semicircular arc-shaped frame I is arrangedabove the walking frame, a quadrant arc-shaped frame II is arranged below the walking frame, a walking wheel driven by a motor is installed on the inner side of the arc-shaped frame I, and two parallel auxiliary wheels are installed on the inner side of the arc-shaped frame II. The auxiliary walking mechanism comprises two pipe clamping mechanisms. The climbing mechanism can be separated from a track and depend on a pipeline to walk autonomously, and a structural support is provided for the comprehensive pipeline routing inspection robot.

The invention provides an endoscope tip and an endoscope. The endoscope tip comprises a mounting base, and a camera assembly and an illumination assembly which are arranged on the mounting base; the mounting base is provided with a lens mounting hole, an instrument channel, a chip mounting groove and an illumination mounting groove; the lens mounting hole and the instrument channel are arranged along a Z direction; the lens mounting hole and the chip mounting groove are arranged in the Y direction and communicate with each other the lens mounting hole is aligned with the center of the chip mounting groove; the illumination mounting groove is formed in one side of the lens mounting hole, and the illumination assembly is arranged in the illumination mounting groove; the camera assembly comprises a lens and an image signal transmission unit; the lens is arranged in the lens mounting hole, the image signal transmission unit is arranged in the chip mounting groove, and the lens is connectedwith the image signal transmission unit; and the endoscope comprises an operating handle, an insertion tube and the endoscope tip, wherein the insertion tube is connected between the operating handleand the endoscope tip. The endoscope tip and the endoscope have the advantages of simple and convenient assembly and no need of repeatedly adjusting the position of the lens.

The invention provides a line sorting structure, which is characterized in that the line sorting structure comprises a line sorting buckle and a supporting base, wherein the line sorting buckle is provided with a buckle body and a first elastic arm connected with the buckle body; the supporting base is provided with a shaft hole and a second elastic arm corresponding to the first elastic arm; the first elastic arm can separately penetrate through the shaft hole and can be rotatably inserted into the second elastic arm; the second elastic arm is used for clamping the first elastic arm; when the first elastic arm and the second elastic arm have first opposite positions, the line sorting buckle and the supporting base are at a separable state; when the first elastic arm and the second elastic arm have second opposite positions, the line sorting buckle and the supporting base are at a non-separable state; and the second elastic arm stops the first elastic arm from moving towards the shaft hole. The line sorting structure disclosed by the invention utilizes a clamping hook between the first elastic arm and the second elastic arm to prevent the line sorting buckle from being released from the supporting base and improve the utilization reliability of a product.

The invention discloses a retaining rivet and an antenna. According to the technical scheme of the retaining rivet, the retaining rivet is characterized by comprising a pin and a pin bush, wherein a pin hole capable of allowing the pin to penetrate therethrough is formed in the pin bush, the outer wall of one end of the pin bush protrudes to form an extending part, the other end of the pin bush can be elastically folded outwards and the extending part jointly form a tensioning part with a clamping effect, the inner wall of the tensioning part protrudes to form a retaining part capable of enabling the tensioning part to be folded outwards when the pin is inserted into the pin hole, and the outer side wall of the pin is provided with a locking part matched with the retaining part in a clamped mode so as to prevent the pin from retreating from the pin hole. When the pin is inserted into the pin hole, the pin interacts with the retaining part, so that the tensioning part is folded outwards, the locking part on the outer wall of the pin and the retaining part on the pin bush form the clamping effect, and the retaining part and the locking part are kept in a clamping state through the interaction force of the tensioning part and a plate and the elastic recovery force of the tensioning part, so that the pin is prevented from being separated from the pin bush, and the stability of therivet fixing effect is improved.

The invention discloses an engine assembly rack, which comprises a frame and further comprises at least one quick-change module detachably connected with the frame; and the quick-change module is provided with a first supporting module and a second supporting module, and the second supporting module comprises a supporting block used for supporting an engine assembly and an adjusting part used for adjusting the height of a supporting block. An existing engine assembly rack is generally and directly welded on a cross beam, so that the position and the height of the existing engine assembly rack are fixed, and the existing engine assembly rack can only be applied to single engine models and is poor in overall flexibility and practicability. According to the rack provided by the invention, the quick-change module is quickly replaced only through a screw connection mode, the universality of the frame can be realized, the rack is used for storing different engine models, and when the rack is used, only the corresponding supporting blocks of the engine assembly needing to be stored need to be designed in advance, and then the quick-change module is replaced according to actual requirements, so that the overall flexibility is extremely high, and the universality and the practicability are relatively high.

The invention discloses a conveniently-disassembled/assembled bed frame and solves the technical problem of disassembly/assembly inconvenience caused by disassembling/assembling the existing bed frame by virtue of a tool. The technical scheme for solving the technical problem lies in that the conveniently-disassembled/assembled bed frame mainly comprises a first bed frame and a second bed frame; the first bed frame is provided with a first connecting end; the second bed frame is provided with a second connecting end; the first connecting end is detachably connected with the second connecting end by a connecting assembly; and the connecting assembly comprises a first connecting plate, a second connecting plate, a third connecting plate and a fixed pin, the first connecting plate is fixedly arranged at the first connecting end, the second connecting plate is fixedly arranged at the second connecting end, the third connecting plate is fixedly arranged at the lower end of the first connecting plate, a first pin hole is formed in the first connecting end, a second pin hole is formed in the second connecting plate, the first connecting end is connected with the second connecting plate by the fixed pin penetrating into the first pin hole and the second pin hole, a locating hole is formed in the third connecting plate, and the lower end of the second connecting plate is provided with a bulge which is inserted into the locating hole to lock the first bed frame and the second bed frame.

The invention relates to the field of air conditioning equipment, in particular to a water cold storage system for central air conditioning. The water cold storage system for central air conditioningcomprises a cooling tower, and a lifting mechanism and a rotating mechanism arranged on a cover body cooling tower which covers a cooling tower. The lifting mechanism is used for driving a cover bodyto slide in a vertical direction and the rotating mechanism is used for driving the cover body to rotate; the lifting mechanism comprises a mounting block, a lifting rod, a lead screw and a first driving part, the mounting block comprises a carrying part, a connecting part and a guiding part, the guiding part is located above the carrying part, the lower surface of the connecting part is fixedly connected to the upper surface of the carrying part, and the upper surface of the connecting part is fixedly connected to the lower surface of the guiding part; the lifting rod is arranged in the guiding part in a penetrating manner, and is matched with the guiding part in a sliding manner; the bottom end of the lead screw is rotatably connected to the carrying part, the top end of the lead screw is in threaded fit with the bottom end of the lifting rod, and a first driving part is mounted on the carrying part and is used for driving the lead screw to rotate. The water cold storage system is convenient for staff to repair an interior of the cooling tower.

The invention relates to a power supply fixing box. The power supply fixing box comprises a box cover and a box bottom, and the power supply fixing box further comprises a PCB board arranged between the box bottom and the box cover, wherein an input end and an output end are arranged on the left side and the right side of the PCB board respectively; an output guide groove is formed in the position, corresponding to the output end, of the box cover; positioning ribs and positioning buckles are arranged on the positions, corresponding to the edge of the box cover, of the box bottom; a PCB grooveis formed in the middle of the box bottom; an input end wire groove is formed in the position, corresponding to the input end, of one side of the box bottom, and an output end wire groove is formed in the position, corresponding to the output end, of the other side of the box bottom; two positioning columns are arranged on the input end wire groove; an inwards-concave wire groove is formed in theoutput end wire groove; a plurality of L-shaped supporting plates are arranged on the PCB groove; an input port is formed in the position, corresponding to the position between the two positioning columns, of the side wall of the input end wire groove; the input port and the two positioning columns are H-shaped; and the input port enables an input wire of the input end to be connected with the PCB board and to penetrate through the power supply fixing box. The power supply fixing box is compact in structure, free of wire breakage, low in cost, smooth in wire body passing and convenient and rapid to install and fix.

An image forming apparatus includes a drum unit, a process frame, a lock member and an intermediate transferring unit. The drum unit rotatably supports a rotating shaft of a photosensitive drum. The process frame has an attachment part to which the drum unit is attached. The lock member positions the drum unit to the attachment part. The intermediate transferring unit is attached to the process frame after the drum unit is attached. The lock member has a supporting part, an engagement part and a restriction part. Though the supporting part, an end of the rotating shaft is passed. The engagement part is engaged with the process frame between the process frame and the intermediate transferring unit. The restriction part interferes with the intermediate transferring unit between the engagement part and the intermediate transferring unit to prevent the engagement part from being detached from the process frame.

The invention provides a door and window frame assembly, a building wall and a building body, and relates to the technical field of buildings. The door and window frame assembly comprises a frame component used for forming a door frame or window frame, the frame component comprises a top frame, a bottom frame and at least one side frame which are connected, a first inserting structure is arrangedon the outer side face of the side frame, the outer side face of the top frame and/or the outer side face of the bottom frame are/is provided with second inserting structures, the second inserting structure of the bottom frame is used for being in inserted fit with a preset bottom table plate, and a first limiting part is arranged on the outer side face of the side frame. According to the technical scheme, the first limiting part on the outer side face of the side frame can be connected with a preset end wall protection plate in a limited connection manner, the end wall protection plate can belimited from being separated from the side frame, and it is ensured that after the side frame and the end wall protection plate are in inserted assembly through the first inserting structure, the first limiting part can be used for ensuring the assembly stability.