35results about How to "Simple card connection" patented technology

The invention discloses a brush bristle cutting device for processing of a disc brush. The device comprises base foots, a case body, a brush disc fixing device, a linear motor, a brush bristle trimming mechanism, a power distribution cabinet and a slag collecting box, wherein the brush disc fixing device is arranged, a brush disc is clamped between a pressing plate and a brush disc fixing piece bya pressing spring through the pressing plate, and the situation that deflection or unreliable fixation during brush bristle trimming is effectively avoided; a clamping mechanism is arranged, so thatthe clamping connection is simple and convenient, and the working efficiency is effectively improved; the brush disc fixing piece is arranged, so that the relative position of the brush disc fixing piece can be adjusted according to processing requirements, and trimming of brush bristles in different length is realized; the linear motor is arranged, so that the linear motor drives the brush bristle trimming mechanism to move in a reciprocating manner, a plurality of brush discs can be trimmed at the same time, and the trimming efficiency is effectively improved; and the slag collecting box isarranged, so that the trimmed brush bristle slags can be collected, thereby facilitating later processing and guaranteeing the neatness of the working site.

The invention discloses a motorcycle with a hand brake function, and the motorcycle comprises a car body, a vehicle wheel on the lower end of the car body, a steering handle on the front end of the vehicle body, and a brake apparatus fixed to the steering handle, wherein the brake inhaul cable of the motorcycle is connected with the brake apparatus, the brake apparatus comprises a fixing base and a brake handle, the brake handle can be rotationally mounted on the fixing base and connected with the brake inhaul cable, a reset spring is arranged between the brake handle and the fixing base, the brake device is further provided with a brake mechanism which is used to neutralize the elastic force of the reset spring and make the brake handle be in the braking status, in this way, when the motorcycle suspends on a slope and the brake handle isn't always pulled, thus the motorcycle can be conveniently and simply operated to achieve the hand brake function.

The present invention discloses a motor heat-dissipation protection shield. The protection shield comprises a shell body. A motor is arranged in the shell body, both sides of the shell body are fixedly connected with transverse plates, and a rubber cushion is arranged under each transverse plate. The inside of the shell body is provided with a cavity layer, an electric pump is arranged on the shell body, the input end of the electric pump is connected with a water inlet pipe, one end of the water inlet pipe is connected with the bottom end of the cavity layer, and the output end of the electric pump is connected with a water outlet pipe. According to the protection shield, by providing the rubber cushion(s), the tightness of the bottom end of the shell body is better, dust is not easy to fall into the inside of the shell body; by providing first groove(s), second groove(s) and spring(s), the shell body has good damping performance, and thus the motor has a better anti-seismic effect when the motor is in operation; and by providing clamping slot(s) and clamping block(s), the shell body can be connected into the inside of the rubber cushion(s) better, and thus the clamping slot(s) and the clamping block(s) can prevent the shell body from separating with the rubber cushion(s) due to vibration even if the shell body vibrates.

The invention discloses a fire-resistant and highly flame-retardant power lock type cable, belonging to the technical field of power cables, and aiming to provide the fire-resistant and highly flame-retardant power lock type cable which can improve the efficiency of arranging a protective layer outside multi-strand wire cores. The cable comprises a cable core and a protective layer; each strand ofwire core comprises multiple sets of core materials and an insulating layer, and the space between the core materials and the insulating layer is filled with a second filling layer; a positioning protrusion is arranged on the outer cylindrical surface of the insulating layer of each strand of wire core, a first groove-shaped structure is arranged on the side surface of each positioning protrusion, a second groove is formed in the lower edge of each positioning protrusion, and a convex edge protrusion is arranged on the outer end of the second groove; the outer cylindrical surface of the insulating layer of each strand of wire core is provided with a second groove-shaped structure respectively, and the lower edge of the second groove-shaped structure is provided with a protruding structure, and one end of the protruding structure is provided with a clamping groove adapted to the edge protrusion; and when the adjacent two strands of wire cores are connected, a locking bar is arranged inthe space formed by the first groove-shaped structure of one strand of wire core and the second groove-shaped structure of another strand of wire core.

The invention provides a brake device convenient to brake. The brake device comprises a permanent seat, a brake handle and a brake mechanism. When the brake device is used, the brake handle can be pulled, and then, a fixture block is clamped in the gaps of the brake handle and an installation groove to limit the rotation of the brake handle, and thus, the brake handle is connected with a brake stay rope, and is kept in a pulled state all along, so that a motorcycle is in a brake state all along; when the brake state is cancelled, the fixture block is separated from the gaps of the brake handle and the installation groove, and thus, the brake stay rope is recovered to a normal running state. The brake device is simple in operation, and can be rapidly switched between the brake state and the brake cancelling state.

The invention relates to the field of outdoor sports equipment, and discloses a three-point positioning quick-penetrating fixator which comprises a fixing frame used for being fixed to a snowboard and a fixing plate used for being fixed to the bottom of the snowboard, the fixing frame comprises a bottom plate, a heel and side parts, a front fixing part is arranged at the end, away from the heel, of the upper surface of the bottom plate, two rear fixing parts are arranged at the positions, close to the heel, of the side parts, the fixing plate is provided with a front fixing matching part and a rear fixing matching part which are connected with the front fixing part and the rear fixing parts in a clamped mode respectively, and three-point distribution positioning is formed by connecting the front fixing part and the rear fixing part with the front fixing matching part and the rear fixing matching part in a clamped mode respectively. The three clamping points are matched with one another and act together, so that the fixing device buckles the snowshoe from the two sides of the heel and the front end of the sole, the degree of freedom of the bottom of the snowshoe to the two sides of the ankle and the front end of the sole is limited, stability is better, meanwhile, stress parts are concentrated on the sole, the foot of a person cannot be affected, and comfort is better.

The invention relates to a building fastener, in particular to a building fastener bolt. The building fastener bolt comprises a T-shaped bolt body, a U-shaped clamp and a nut connected with the T-shaped bolt body. The U-shaped clamp is limited on the T-shaped bolt body through the nut. The U-shaped clamp can slide relative to the T-shaped bolt body. Matched protruding faces are formed on the contact faces of the U-shaped clamp and the fastener. By the fastener, connection is fast and safe.

The invention relates to the field of electroplating production, in particular to an electroplating production system which comprises an electroplating tank, a filter tank, a storage tank, multiple sections of pipelines and pipeline buckles, wherein the electroplating tank, the filter tank and the storage tank are connected through the pipelines, and every two adjacent sections of pipelines are connected through the pipeline buckles; each pipeline buckle comprises an upper connecting ring, a lower connecting ring, a connecting rod assembly and a pressure sensing piece, wherein the connecting rod assembly comprises a horizontal connecting rod ring formed by hinging a plurality of horizontal connecting rods around a vertical axis end to end. A plurality of buckles are arranged on the lower side of the upper connecting ring, each buckle is correspondingly buckled on the lower side of one hinge position of the horizontal connecting rod ring, and the contact surface of the buckle and a first hinge position is an inclined surface which is gradually reduced from outside to inside so as to downwards press the buckle when the hinge position clamped with the buckle moves outwards; and the pressure sensing piece is configured to move outwards to extrude the hinged position buckled with the buckle to move outwards when the pressure of liquid in the pipeline buckle is increased, so that the connection between the upper connecting piece and the lower connecting piece is tighter.

The invention discloses a corrosion-resistant stainless steel impeller with a long service life. The stainless steel impeller comprises a base plate, blades and a cylinder, wherein the blades are welded to the top of the base plate at equal intervals, the cylinder is fixedly inserted in the middle of the base plate, retractable clamping devices are symmetrically arranged on the inner wall, close to the bottom, of the cylinder, a fixing device facilitating welding is slidably inserted in the cylinder, and an adjustable extrusion device is installed at the end, close to the fixing device, of the cylinder. Installation and detachment of a fixing column are facilitated. When the fixing column is clamped, a worker screws a threaded rod, the threaded rod extrudes a first extrusion block, a second sliding block slides in a sliding groove, meanwhile, the first extrusion block slides in a cavity along with the second sliding block, the first extrusion block extrudes a second extrusion block, then an extrusion plate extrudes the fixing column, and thus the clamping devices can clamp the fixing column more firmly. The stainless steel impeller can be easily installed and detached, and thus later maintenance is facilitated.

The invention relates to the field of outdoor sports equipment, and discloses a three-point positioning quick-wearing fixer, which includes a fixing frame for fixing on a snowboard and a fixing plate for fixing on the bottom of a snowshoe, and the fixing frame includes a bottom plate, a heel and the side part, the upper surface of the bottom plate is provided with a front fixing part at an end far away from the heel, and a rear fixing part is provided at a position close to the heel of the side part, and there are two rear fixing parts, and the fixing plate is provided with The front fixed fitting part and the rear fixed fitting part respectively snapped into the front fixed part and the rear fixed part form a three-point distributed positioning by snapping the front fixed part and the rear fixed part respectively with the front fixed fitting part and the rear fixed fitting part. The two locking points cooperate with each other and work together, so that the anchor buckles the snowshoe from three points on the sides of the heel and the front of the sole, which limits the freedom of the bottom of the snowshoe to the sides of the ankle and the front of the sole, and has better stability. The force parts are all concentrated on the sole, which will not affect the human feet, and the comfort is better.

The invention relates to the technical field of packaging boxes, in particular to a printing packaging box with a degradation function, which comprises a box body, a clamping plate and a pressing plate. A top cover is clamped on the outer wall of the top of the box body, slots are formed in the two sides of the outer wall of the top of the box body, inserting blocks are welded to the two sides of the outer wall of the bottom of the top cover, and the inserting blocks are inserted into the slots. A clamping groove is formed in the outer wall of one side of each inserting block, a clamping block is slidably connected into each inserting groove and clamped into the corresponding clamping groove, buttons are welded to the ends, located outside the slots, of the clamping blocks, and fixing springs connected with the clamping blocks are welded to the inner walls of one sides of the slots. The printing packaging box with the degradation function has the beneficial effects that the clamping blocks can be clamped in the clamping grooves through the telescopic force of the fixing springs, the top cover can be conveniently fixed to the box body, meanwhile, the top cover can be conveniently opened, adhesive tape is not used for fixing, and repeated use can be achieved; and when the clamping blocks move, limiting blocks slide in limiting grooves, the clamping blocks can move in parallel, and the deflection phenomenon of the clamping blocks in the moving process is prevented.

The invention discloses a folding storage type keyboard, and relates to the technical field of keyboards. The keyboard comprises a first keyboard body, a second keyboard body and a touch screen, rotating plates are symmetrically and movably connected to the two sides of the touch screen; the rotating plate is hinged with the first keyboard body or the second keyboard body; a pair of racks is matched between the rotating plate and the touch screen; a supporting block is matched above the rack; a first key area is arranged on the upper surface of the first keyboard body; a hinged support A is fixed on one side of the first keyboard body; a second key area is arranged on the upper surface of the second keyboard body; a hinged support B is fixed on one side of the second keyboard body; and clamping matching parts are arranged on the upper surfaces of the first keyboard body and the second keyboard body. Through the effects of the first keyboard body, the second keyboard body, the touch screen, the rotating plate, the rack and the supporting block, the problems that an existing keyboard is exposed outside, dust is prone to accumulating, folding is inconvenient, the keyboard is prone tobeing extruded for a long time, and the service life is affected are solved.

The invention relates to a music hair with a back. The music hair with the back comprises a headrest, a chair back and a seat. The headrest is internally provided with a trumpet. The seat comprises a shell and a cushion; the shell is internally provided with a power supply, a controller, a subwoofer and a plurality of corresponding mounting grooves; and the rear end of the shell is provided with a leading-out terminal. The power supply is connected with the controller, the subwoofer and the leading-out terminal through an electric wire; and the electric wire penetrates through the leading-out terminal and is connected into the chair back. A connection cover is arranged at the joint of the lower part of the chair back and the seat; and the connection cover is used for covering the electric wire between the chair back and the seat. The chair back is provided with an opening and the opening is provided with an inward turning edge which is integrally connected with the opening along the periphery; the inner part of the inward turning edge is provided with a wire channel; and the outer side of the wire channel is covered by a wire channel cover. The wire channel extends to the upper part of the chair back and the electric wire is arranged inside the wire channel in a penetrating manner to be connected with the trumpet inside the headrest. The music hair with the back disclosed by the invention has the advantages that under the precondition that a hollow part is arranged on the chair back, spaces of all parts of the chair are further reasonably utilized; and the music hair with the back has the characteristics of beauty, material saving, air permeability and hidden wires.

The invention discloses a connecting piece, in particular a washer, a screw and a screw assembly. The invention provides a washer that is not easy to fall off, comprising a ring-shaped ring body, the upper and lower surfaces of the ring body are respectively a screw contact surface and an object contact surface, and the screw contact surface is provided with annular snap-on protrusions , the inner ring surface of the clamping protrusion is provided with a washer clamping structure. By setting the washer snap-fit ​​structure on the washer and the screw snap-fit ​​structure on the screw, the washer and the screw can be kept fixed in the axial direction, which not only maintains the function of the original washer, but also avoids the washer in the process of removing the screw. fall off to avoid unnecessary loss of gaskets. The snap-fit ​​protrusion of the washer is formed by at least two arc segments, which can improve the elasticity of the snap-fit ​​protrusion and make it easier to snap with the screw.

The invention relates to an elastic clamping base of a wireless emitter and a display screen support frame. The elastic clamping base comprises a fixed base and a movable base; a wireless emitter clamping base is arranged at the upper end of the movable base; the wireless emitter clamping base comprises a positioning base matched with the wireless emitter, and two or more elastic clamping hooks distributed around the positioning base in an annular array form; the movable base is mounted in a cavity formed in the upper end of the fixed base; when the movable base is repeatedly pressed down, themovable base can circularly shrink downwards to be locked in the cavity, and meanwhile, the elastic clamping hooks are bent to the positioning base to hook the wireless emitter; the movable base is automatically unlocked to upwards extend out of the cavity; and meanwhile, the elastic clamping hooks automatically return and are separated from the wireless emitter. The clamping of the wireless emitter can be conveniently and quickly realized; the clamping is firm and stable; the operation is simple and easy; and the structure is more compact, skillful, small in size, few in limitation and capable of being applied to different equipment.

The invention discloses an easy-to-repair clamp pipe culvert, and relates to the field of pipe culverts. The clamp pipe culvert comprises a base, a right wall plate, a left wall plate, a right top plate and a left top plate, wherein the right wall plate and the left wall plate are parellely clamped on the upper surface of the base, a stop baffle is respectively clamped on the left and right sidesof the upper surfaces of the right wall plate and left wall plate, the upper surface parts of the right wall plate and left wall plate, between the left stop baffle and the right stop baffle, respectively sink downwards to form a strip-shaped groove, the right top plate is arc-shaped and one end of the right top plate is clamped in the strip-shaped groove on the upper surface of the right wall plate, the left top plate is arc-shaped and one end of the left top plate is clamped in the strip-shaped groove on the upper surface of the left wall plate, the other end of the right top plate is provided with a clamping projection, the other end of the left top plate is provided with a clamping groove, the clamping projection is matched with the clamping groove, a right pouring hole is arranged inthe right top plate, a left pouring hole is arranged in the left top plate. According to the invention, during the use process of the pipe culvert, the pipe culvert can be repaired effectively, the use is convenient, the clamping is simple, the clamped pipe culvert is firm, and the service life is long.

The present invention relates to an LCD liquid crystal display screen, which includes a cabinet and a lifting mechanism. The lifting mechanism is installed in the cabinet through sliding fit. The present invention relates to an LCD liquid crystal display screen. The present invention adopts an adjustable lifting mechanism. The design concept of the LCD screen is used, a lifting mechanism is used to mechanically control the lifting and lowering of the display screen, and multiple structures are used to sort out the data lines inside the display installation cabinet, and a U-shaped plate is used to assist the connection of the data lines. Fixed, reducing loosening or loosening, thereby improving the performance of the display screen. The winding column of the present invention can play a role in combing and arranging data lines, avoiding the occurrence of entanglement and knotting between different data lines, and reducing the The probability of affecting the movement of the display screen improves the overall cleanliness. At the same time, with the help of the rotational force of the torsion spring, the column can rotate in the opposite direction on its own to tighten the data cable and prevent the data cable from loosening.

The invention discloses a photoelectric composite medium-voltage fireproof lock type cable, belongs to the technical field of power cables, and aims to provide the photoelectric composite medium-voltage fireproof lock type cable, for increasing the efficiency of setting a protective layer outside multiple strands of wire cores. The cable comprises a cable core and a protective layer; each strand of wire core comprises multiple sets of core materials and an insulating layer; the space between the core materials and the insulating layer is filled with a second filling layer; the outer cylindrical surface of the insulating layer of each strand of wire core is provided with a locating bulge; a first grooved structure is arranged on the side surface of the locating bulge; a second groove is arranged below the locating bulge; a raised edge bulge is arranged at the outer end of the second groove; the outer cylindrical surface of the insulating layer of each strand of wire core is provided with a second grooved structure; a bulge structure is arranged below the second grooved structure; a clamping groove matched with the edge bulge is arranged at one end of the bulge structure; and, when adjacent two strands of wire cores are connected, a locking strip is installed in a space, which is formed by the first grooved structure of a strand of wire core and the second grooved structure of the other strand of wire core.

The invention provides a lure box for catching insects, which includes a mounting block and a box body; it is characterized in that: a cross block is installed inside the mounting block, and the clamping groove of the mounting block and the clamping head of the ferrule are engaged with each other Fixed; the bottom surface of the box is fixed to each other through the chute of the bottom plate, and the bottom plate is fixed to the lower end of the box by sliding; the upper end surface of the box and the ferrule are fixed to each other by pasting. Insects roll insects to the inside of the device through the rotation of the cross block, and the cross block can rotate in the filter plate to filter the insects into the device, so that the installation block of the device forms a single entry effect to further prevent all internal The collected insects run out, and there are more than four light tubes on the bottom plate, and the main function of the light tubes is to provide light and heat to attract insects, and the bottom plate can be pulled away directly after the inside of the box is filled with insects Remove the insects.

The invention discloses a right-angle lock fixed cable, which belongs to the technical field of power cables, and aims to provide a right-angle lock fixed cable, which improves the efficiency of setting a protective layer outside a multi-strand wire core. The cable includes a cable core and a protective layer; each strand of wire core includes multiple groups of core materials and insulating layers, and a second filling layer is filled between the core material and the insulating layer; the outer cylindrical surface of the insulating layer of each strand of wire core is A positioning protrusion is provided, a first groove-shaped structure is provided on the side of the positioning protrusion, a second groove is provided on the lower side of the positioning protrusion, and a raised edge protrusion is provided on the outer end of the second groove; There is a second groove-shaped structure on the outer cylindrical surface of the insulating layer of each strand of wire core, and a raised structure is arranged on the lower side of the second groove-shaped structure. Groove: when two adjacent wire cores are connected, a locking strip is installed in the space formed by the first groove-shaped structure of one wire core and the second groove-shaped structure of the other wire core.

The invention discloses a clamping structure of an inner rear-view mirror. The clamping structure is used for clamping a lens assembly of the inner rear-view mirror on a mirror housing, wherein the lens assembly comprises a mirror frame, and a lens embedded into the mirror frame. The clamping structure comprises a first enclosed wall which is arranged at the side edge of the mirror frame and extends toward the direction of the mirror housing; a plurality of second clamping holes are formed at intervals in the first enclosed wall. The clamping structure further comprises second one-way clamping blocks which are formed in the sidewall of the mirror housing and clamped to the second clamping holes, and a plurality of clamping parts which are in match with the second one-way clamping blocks, wherein each clamping part comprises a first clamping column and a second clamping column which are correspondingly arranged at two sides of the corresponding second one-way clamping block; the lower ends of each first clamping column and each second clamping column are fixed to the inner wall of the mirror housing, and the horizontal positions of the fixing parts are lower than the horizontal positions of the second one-way clamping blocks; the horizontal positions of the upper ends of the first and second clamping columns are corresponding to the horizontal positions of the second one-way clamping blocks.

The invention discloses a connector, and particularly relates to a gasket, a screw and a screw assembly. The gasket not prone to disengagement comprises an annular gasket body, the upper surface and the lower surface of the gasket body are the screw contact surface and the object contact surface respectively, the screw contact surface is provided with an annular clamping protrusion, and the inner ring surface of the clamping protrusion is provided with a gasket clamping structure. Due to the fact that the gasket clamping structure is arranged on the gasket, and a screw clamping structure is arranged on the screw, the gasket and the screw can remain stationary in the axial direction, in this way, the function of an original gasket is kept, gasket disengagement in the screw disassembling process is avoided, and unnecessary loss of the gasket is avoided. The clamping protrusion of the gasket is composed of at least two sections of arc sections, therefore, the elasticity of the clamping protrusion can be improved, and the clamping protrusion can be connected with the screw in a clamped mode more easily.

The invention discloses a circular bearing wrench for numerically controlled cutting tools, which comprises a fixed ring, a movable ring, a connecting buckle, a connecting ring, a first connecting block, a second connecting block, a knob nut, a connecting bolt, a pivot pin, a fastener, a fixing loop, handle, case and hanging hole. The present invention is provided with a fixed ring and a movable ring, the movable ring and the fixed ring are movably connected, the movable ring can be freely opened at a certain angle in the horizontal direction, and the diameter of the inner ring of the device can be changed within a certain range. The bearing saves the time of replacing the wrench. There are clamps in the fixed ring and the movable ring, which can be fastened clockwise and counterclockwise. It can be satisfied in different fastening directions, so that the device has a wider range of application. Both the upper end surface and the lower end surface of the bearing are provided with fixing rings, which can effectively prevent the bearing from falling during the installation process while fastening the bearing, making the bearing more safe and reliable during the installation process.

The invention discloses a spray can. The problem that the spraying mode of a spray nozzle is singular is solved. According to the key points of the technical scheme, when a converter rotates to the position where a spraying opening is connected with an atomization groove in a butting mode, liquid sprayed from the spraying opening generates centrifugal force in the atomization groove so as to achieve atomization and are sprayed through an atomization spray hole. When the converter rotates to the position where the spraying opening is connected with a water column groove in a butting mode, liquid sprayed from the spraying opening is directly sprayed from a water column spray hole through the water column groove. According to the spray can, the converter can rotate circumferentially with a limiting ring as the center; by rotating the converter, the circumferential positions of the atomization groove and the water column groove can be changed effectively; when the spraying opening is connected with the atomization groove in the butting mode, the liquid sprayed from the spraying opening can generate the centrifugal force in the atomization groove so as to be atomized; and when the spraying opening is connected with the water column groove in a butting mode, the liquid sprayed from the spraying opening is directly sprayed from the water column spray hole through the water column groove, and at the moment, the sprayed liquid is in a centralized water column shape.

The invention relates to the technical field of ball head assembly machining, in particular to a machining process of a ball head assembly. The machining process comprises the steps of machining a ball head rod, machining a ball seat and assembling, and the step of machining the ball head rod further comprises a first turning step and a high-frequency quenching step; the first turning step: cutting the blank to enable the blank to form a rod body and a ball head; and the high-frequency quenching step: carrying out high-frequency quenching on the rod body and the ball head, wherein the surface hardness of the quenched rod body and ball head is not smaller than HRC58, and the surface decarburization phenomenon of the rod body and ball head is not allowed. The surface hardness of the ball head rod can be improved, the probability of deformation of the ball head is reduced, and the probability that the ball head falls off from the ball groove to cause failure of the ball head assembly is reduced; and moreover, the ball head is not easy to rub and deform in the ball groove, so that the friction force of the ball head in the ball groove is reduced, the universal rotation of the ball head in the ball groove is facilitated, and the service life of the ball head assembly is prolonged.

The invention discloses a pain relieving device for surgical nursing, and relates to the field of surgical nursing. The pain relieving device for surgical nursing comprises a horizontal plate, fixing pieces, a mounting piece and an ice compress barrel, the fixing pieces are symmetrically and fixedly connected to the four corners of the lower surface of the horizontal plate, the mounting piece is fixedly connected to the lower surface of the horizontal plate, and the ice compress barrel is slidably clamped to the side face of the mounting piece. The pain relieving device for surgical nursing is designed to be connected with a nursing bed through fixing pieces, the height of the pain relieving device is adjusted after the pain relieving device is connected with the nursing bed, then the ice compress barrel is clamped to the position, close to a wound of a patient, below the horizontal plate, gauze is wound around the outer side of the ice compress barrel, an ice bag is clamped into the ice compress barrel and is tightly abutted by an abutting plate, a patient or a nursing person can rotate the ice compress barrel alternately to cooling the wound for relieving pain. According to the invention, the ice compress state can be changed at any time without repeatedly disassembling the gauze, the position of the ice compress barrel can be changed according to the condition of the patient, so that the ice compress effect is closer to the actual requirement of the patient.

The invention relates to an elastic clamping base of a wireless emitter and a display screen support frame. The elastic clamping base comprises a fixed base and a movable base; a wireless emitter clamping base is arranged at the upper end of the movable base; the wireless emitter clamping base comprises a positioning base matched with the wireless emitter, and two or more elastic clamping hooks distributed around the positioning base in an annular array form; the movable base is mounted in a cavity formed in the upper end of the fixed base; when the movable base is repeatedly pressed down, themovable base can circularly shrink downwards to be locked in the cavity, and meanwhile, the elastic clamping hooks are bent to the positioning base to hook the wireless emitter; the movable base is automatically unlocked to upwards extend out of the cavity; and meanwhile, the elastic clamping hooks automatically return and are separated from the wireless emitter. The clamping of the wireless emitter can be conveniently and quickly realized; the clamping is firm and stable; the operation is simple and easy; and the structure is more compact, skillful, small in size, few in limitation and capable of being applied to different equipment.