47results about How to "Improve lock stability" patented technology

The embodiment of the invention provides a clip instrument and an operation method thereof. The clip instrument comprises a conveying device and a clamping device, wherein the conveying device comprises a sheathing canal and a mandrel arranged in the sheathing canal; the clamp device comprises at least two clamping pieces and a storage tube, the storage tube is arranged at the far end of the sheath tube and comprises a locking part, the near ends of the clamping pieces are arranged in the storage tube in an axial moving mode and comprise locked parts, and the clamping pieces are connected with the mandrel in a releasable mode; the clamp device comprises an unlocked state, a locked state and a released state, in the unlocked state, the core shaft is connected with the clamping piece, and the locked part is not matched with the locking part; in the locking state, the core shaft is connected with the clamping piece, and the locked part is matched with the locking part; and in the release state, the core shaft and the clamping piece are released.

The invention relates to the technical field of die-casting machines, and discloses a micro inverter shell die-casting machine which comprises a machine base, a machine shell arranged on the machine base, a die assembly arranged on the machine base, a die assembly arranged on the die assembly and a die-casting mechanism arranged on the right side of the die assembly. The die assembly comprises a fixed die base and a movable die base, and cavities used for die-casting forming of the inverter shell are formed in the fixed die base and the movable die base. According to the inverter shell die-casting machine, in the die assembly process of the inverter shell die-casting machine, multi-stage buffering of impact force in the die assembly process is achieved by arranging three sets of mutually-associated damping structures, damage to a die by the impact force in the die assembly process is reduced, the durability and stability of the die are improved, and the die assembly efficiency is improved. And strong self-locking force is generated at the contact moment of the movable die holder and the fixed die holder, so that the situation that a gap of the die is enlarged due to expansion force generated when molten metal liquid is injected at high pressure is effectively prevented, and then the locking stability of the die and the die-casting forming precision of a die casting are improved.

The utility model provides a quick connector, the outer side of a male connector is provided with a convex body, the convex body is provided with an inclined pushing surface and a positioning surface, a female connector is provided with a plurality of first through holes and a plurality of second through holes, and the first through holes and the second through holes penetrate through the peripheral side of the front section of the female connector in a front-back staggered mode. A first steel ball and a second steel ball are respectively arranged in the female joint, the female joint comprises a female joint front shell, a female joint rear shell connected with the female joint front shell and an outer sliding sleeve, and the outer sliding sleeve is slidably sleeved outside the female joint front shell and a spring arranged on the female joint front shell. The first steel ball and the second steel ball which are axially staggered are sequentially pushed by the pushing face of the convex body of the male connector, then the outer sliding sleeve is driven to move towards the direction of the female head rear shell to achieve self-unlocking, the first steel ball is pushed to the positioning face of the convex body, and the outer sliding sleeve is pushed to reset through the spring so as to abut against the first steel ball to be locked with the first steel ball. Therefore, good locking stability and self-unlocking during connection are achieved.

The utility model discloses a lifting type orthopedic reset device which comprises a plurality of lifting supporting assemblies distributed at equal intervals, each lifting supporting assembly comprises a driving mechanism at the bottom and a supporting mechanism at the top, and the driving mechanisms and the supporting mechanisms are connected through a double-layer X frame. The driving mechanism comprises a bottom sliding rail, one end of the bottom sliding rail is connected with a positioning cover, the other end of the bottom sliding rail is provided with a supporting seat, a ball screw is rotationally connected between the positioning cover and the supporting seat, one end of the ball screw penetrates through the supporting seat and is connected with a locking assembly, and the ball screw is sleeved with a sliding block in a threaded mode. A soft cushion is fixed to the top of the supporting shell, the double-layer X frame comprises two sets of supports, and the two sets of supports are rotationally connected through a pin shaft. By designing the locking assembly, the ball screw can be clamped, so that the ball screw is difficult to rotate, and the bearing stability is further improved.

This invention discloses a fiber optic array connection structure, relating to the field of fiber optic communication technology, including a socket, a fiber optic array, a locking component, and an unlocking component. The socket has a first end and a second end connected to each other. The second end is used to connect to a PIC substrate, and the first end has a socket with a first latching portion inside. The fiber optic array is partially inserted into the socket to mate with the PIC substrate. The locking component includes a fixing portion and an elastic portion. The fixing portion is fixedly connected to the fiber optic array, and the end of the elastic portion near the socket is connected to the fixing portion. The elastic portion has a second latching portion, which extends into the socket to engage with the first latching portion. The unlocking component is slidably connected to the fixing portion. The unlocking component is configured to drive the elastic portion closer to the fixing portion when sliding, thereby disengaging the second latching portion from the first latching portion. Sliding unlocking is achieved through the cooperation of the locking and unlocking components, eliminating the need for reserved space for rotational unlocking. The overall structure is more compact, and the mechanical locking provides a more secure connection.

The invention relates to a clamping instrument which comprises a clamp device, the clamp device comprises a storage pipe, a lining and a clamping assembly, the lining is arranged in the storage pipe, and the lining comprises a buckling part used for detachably connecting the lining and the storage pipe; and the locking part is used for locking the clamping assembly. According to the clamping instrument, stable locking can be achieved so that stable hemostasis can be achieved, and locking can be efficiently relieved when necessary so that the operation safety can be improved.

The utility model relates to the technical field of shielding doors, and discloses a sliding door lock mechanism of a shielding door, which comprises a fixed frame, two sliding rails are respectively arranged on the upper frame wall and the lower frame wall of the fixed frame, and two sliding mechanisms are respectively connected in the four sliding rails in a sliding mode. Shielding door frames are jointly and fixedly connected between the four sliding mechanisms on the front side and between the four sliding mechanisms on the rear side, glass doors are jointly installed between the upper frame walls and the lower frame walls of the two shielding door frames, and the middles of the left ends and the middles of the right ends of the two shielding door frames are each fixedly connected with two door lock frames; buffering pads are fixedly connected to the upper portion, the lower portion, the upper portion and the lower portion of the left frame wall of the fixing frame in a penetrating and inserting mode. According to the sliding door lock mechanism of the shielding door, through the arrangement of the locking block, firm locking of the shielding door can be achieved, the locking stability of the door is improved, through the arrangement of the sliding mechanism, the shielding door can slide smoothly, and the using effect is enhanced.

The utility model discloses an automobile spare tire cover plate which comprises a cover plate body. Comprising a driving assembly arranged on a cover plate and an expansion assembly communicated with the driving assembly, the driving assembly comprises a piston body and an air cylinder, the piston body downwards compresses an inner cavity of the air cylinder, and when the piston body and the air cylinder are locked, the expansion assembly expands, makes close contact with the sunken position of a hub of the spare tire and is supported between the cover plate and the spare tire. And when the piston body is upwards pulled out of the inner cavity of the air cylinder, the expansion assembly shrinks and is separated from the sunken part of the spare tire hub. The spare tire cover plate solves the problem that a gap between the spare tire cover plate and the spare tire may cause jumping of the spare tire when a vehicle runs. And meanwhile, the problem that the cover plate is bent or damaged when too many articles are placed on the cover plate is solved.

The present disclosure relates to the technical field of target material processing, and one embodiment of the present disclosure provides a clamping device for machining a metal flat target material, which comprises a disc holder and a plurality of fixing legs, the fixing legs are arranged on the bottom of the disc holder, a supporting disc is fixed on the surface of the disc holder, a clamping assembly is arranged on the disc holder and the supporting disc, a bottom supporting assembly is arranged on the disc holder, the clamping assembly comprises a ring-shaped seat, a rotating disc is slidably connected to the ring-shaped seat, an external gear is arranged on the bottom of the rotating disc, a driving gear driven by electricity is arranged on the upper surface of the disc holder, the driving gear is engaged with the external gear, a plurality of pushing grooves are formed in the surface of the rotating disc, a plurality of clamping seats are arranged on the supporting disc, a plurality of long holes are formed in the surface of the supporting disc, the positions and the number of the long holes are matched with those of the pushing grooves, a guide rod is arranged in each long hole, and each clamping seat is slidably sleeved on the guide rod. Through the above technical solution, the technical problem that quick positioning and clamping cannot be realized in the prior art is solved.

This utility model discloses a convenient wardrobe rack, including a support plate, support arms, a hanging basket, and a locking seat. Two or more support plates are longitudinally arranged and detachably installed on a wardrobe or wall. Each end of the support arm has a hanging end and an extension end, respectively, and a locking part is provided at the top of the support arm. The extension end has a first support part, and the locking part has a second support part. The hanging end is detachably connected to the support plate, making the support arm perpendicular to the support plate. The front and rear sides of the hanging basket are respectively installed on the first and second support parts. The locking seat is slidably installed on the locking part of the support arm and has a locking slot for locking the side of the hanging basket. This reduces the material and labor costs of the wardrobe rack, improves installation convenience, and enhances the load-bearing capacity and stability of the wardrobe rack.

The utility model provides a distribution box fixing foot stand, which comprises a back supporting plate and a locking mechanism, the locking mechanism comprises a limiting rod, an extension spring, a sliding plate, a mounting hole, a locking plate, a clamping groove, an extension plate, a magnetic suction strip and a clamping block, the outer side surface of the back supporting plate is fixedly connected with a connecting piece, and the outer side surface of the back supporting plate is fixedly connected with the connecting piece. A bottom supporting plate is fixedly connected to the surface of one side of the connecting piece, an anti-skid pad is fixedly connected to the bottom of the bottom supporting plate, a locking mechanism is arranged on the surface of one side of the back supporting plate, an anti-roll mechanism is arranged on the top of the connecting piece, and a locking plate on a sliding plate of the locking mechanism can clamp the bottom of the front face of the power distribution cabinet. After the sliding plate is loosened, the extension spring is reset and is matched with the back supporting plate for use to clamp the power distribution cabinet, the locking and clamping effects are achieved, the bottom of the side face of the power distribution cabinet is locked, the power distribution cabinet is prevented from shifting in the use process, and the effect of enhancing the use stability is achieved.

The reclosing miniature circuit breaker comprises a circuit breaker body, an overvoltage and undervoltage protection circuit, an external fastening structure, a fixing shaft, a fastening arm, a fastening spacer region and a state maintaining substructure. The invention has the following advantages and effects: the assembly structure of the circuit breaker is improved; the two external fastening structures on the circuit breaker can be respectively fastened on the corresponding positioning plug-ins, so that the circuit breaker body is fixed; the two fastening arms can be in a loosened state for a long time due to the arrangement of the state maintaining sub-component, so that operation time is provided for subsequent disassembly of the circuit breaker body; meanwhile, the whole structure is controlled in an integrated and centralized mode, multiple output control can be achieved only through one external power source, and the beneficial effect of being simple in operation mode is achieved.

This utility model discloses a fixing device for inserting tubes on the front side panel of a smart cockpit, relating to the field of fixing device technology. The utility model includes a front side panel, with a column fixedly connected to the side of the front side panel. A hollow block is bolted to the side of the column, and a screw is bolted to the side of the hollow block. An internal tube fixing mechanism is provided on the side of the front side panel. This utility model achieves rapid clamping of the insert tube through the cooperation of components such as threaded rods, threaded sleeves, and sliding shafts within the internal tube fixing mechanism. It is easy to operate, and the symmetrically distributed structure ensures uniform clamping force, preventing tube skewing. The sliding shaft and slider work together to ensure stable movement, and a spring provides elastic buffering to prevent excessive clamping and damage to the insert tube, while also enhancing fixing stability. The double-clamping block design adapts to different tube diameters, improving versatility. The overall structure is compact, effectively fixing the insert tube, reducing shaking, and adapting to the complex working conditions of a smart cockpit.

The present invention relates to the technical field of medical devices, and specifically to a ligation clamp, comprising: a female plug body, on which a connected access channel and a ligation groove are provided, and a fine pipe can enter along the access channel and be accommodated in the ligation groove; a male plug body, which is plugged and matched with the female plug body to be movably accommodated in the ligation groove and the access channel, the head shape of the male plug body matches the ligation groove, and the head of the male plug body abuts against the side wall of the ligation groove to ligate the fine pipe; and a locking member, which is used to lock the male plug body at a predetermined position of the female plug body so that the head of the male plug body abuts against the side wall of the ligation groove. By dividing the ligation clamp into two parts, the female plug body and the male plug body, in the process of ligating the fine pipe, the ligation clamp does not need to be deformed, successfully avoiding the characteristic of the degradable magnesium alloy that is not easy to deform, so that the fine pipe can be effectively clamped.

The utility model relates to a double-locking connector. The double-locking connector comprises a plate end terminal, a wiring terminal and a plug piece, one end of the board end terminal is used for being welded with a circuit board, the other end of the board end terminal is provided with a plurality of elastic sheets, and the plurality of elastic sheets are encircled to form an annular terminal; one end of the wiring terminal is sleeved outside the plate end terminal, and the other end of the wiring terminal is used for being connected with a wire conductor; the plug piece is accommodated in the plate end terminal, and a plurality of elastic clamping hooks are arranged at the lower end of the plug piece; and in a combined state, the elastic sheet is clamped on the wiring terminal, and the elastic clamping hook is clamped with the inner side of the plate end terminal. The double-locking connector provided by the utility model has the advantage of good locking stability.

The utility model provides a split type rectifying plate supporting base structure capable of avoiding the influence of slight shock abrasion, a teflon upper cover is arranged above a base body, and a teflon gasket is arranged below the base body; stepped threaded holes are formed in the two sides of the base body in a penetrating mode, first threaded holes are formed in the two sides of the Teflon gasket in a penetrating mode, the first bolts sequentially penetrate through the stepped threaded holes and the first threaded holes to fixedly lock the base body and the Teflon gasket on a VCD cavity bottom plate, and two hidden grooves corresponding to the stepped threaded holes are formed in the bottom face of the Teflon upper cover. The head of the first bolt is embedded in the hidden groove and the stepped threaded hole; the second bolt penetrates through the rectifying plate and then sequentially penetrates through the teflon upper cover, the base body and a second threaded hole in the middle of the teflon gasket, and the supporting base structure and the rectifying plate on the upper portion are fixedly locked. According to the utility model, the problems of dust production and even rustiness caused by damage to the surface of the rectifying plate due to vacuum micro-vibration friction between the rectifying plate and the base can be avoided, and the problem of bad products or scrapping caused by mechanism wear is effectively reduced.

The utility model belongs to the technical field of doors and windows, and provides a tight-supporting fixed type driver and a handle device, and the driver comprises a shell, a surface cover and at least one tight-supporting assembly; the supporting and tightening assembly is arranged in the shell; the tight supporting assembly comprises a control piece and two tight supporting pieces. Through holes are formed in the shell and the surface cover, and the through holes correspond to the control piece; guide openings are formed in the positions, corresponding to the side faces adjacent to the tight supporting pieces, of the shell; the control piece in each supporting and tightening assembly is matched with the two supporting and tightening pieces through a linkage structure. Through screwing operation of the control piece, the two supporting and tightening pieces are driven to obliquely open towards the outside of the shell or obliquely retract towards the inside of the shell along the corresponding guide openings, so that fixing or loosening of the driver is achieved. According to the utility model, the installation and fixation with the section bar can be conveniently and quickly completed, the adaptability is high, the size range of the adaptable section bar is wider, and the stability is good.

The invention discloses a door and window manufacturing quality detection method based on artificial intelligence, and relates to the technical field of door and window quality detection, and the method comprises the following steps: S1, appearance detection; s2, door and window locking; s3, sound insulation detection; and S4, subsequent processing: the user takes out the detected doors and windows from the sound insulation quality detection equipment, and the user terminal performs data processing to obtain final detection information summary. The appearance and sound insulation performance of doors and windows can be detected, an automatic and mechanical locking mode is achieved when the doors and the windows are locked, and the doors and the windows of various specifications can be locked on the four side faces and locked in the thickness direction under linkage cooperation, so that the stability of the doors and the windows can be guaranteed, and the safety of the doors and the windows is improved. And the locking clearance can be reduced, so that the detection error is reduced, the two surfaces of the door and window can be detected, and the effect of reducing the error is achieved.

The utility model discloses an automobile engine cover coating electrophoresis jig, and relates to the technical field of automobile manufacturing, the automobile engine cover coating electrophoresis jig comprises a rack, a locking mechanism and a first limiting mechanism, the rack is provided with a mounting cavity through which at least partial structure of a water tank cross beam passes, the locking mechanism comprises a first locking piece, a second locking piece and a connecting piece, the first locking piece and the second locking piece are both connected with the connecting piece, and the first limiting mechanism can limit the connecting piece from moving to the rotating position from the locking position. According to the technical scheme, a double-locking structure of the first locking piece and the second locking piece is adopted, the first locking piece and the second locking piece act on the engine cover and the water tank cross beam respectively in the locking position state, a stable stress system is formed, the engine cover can be kept at a fixed opening angle, and the service life of the engine cover is prolonged. The engine cover is effectively prevented from shaking or being accidentally opened in the electrophoresis process, the situation that an inner plate coating is uneven due to the fact that the angle is unstable is avoided, the consistency of coating quality is guaranteed, and the anti-rust performance is improved.

The invention relates to the technical field of exhibit display, in particular to an opening and closing structure of an exhibit glass protection panel. The glass window comprises a frame body and at least two glass plates which are sequentially installed on an installation sliding groove of the frame body, and an avoiding opening for containing one glass plate is further formed in the inner side or the outer side of the installation sliding groove, so that the glass plate can be contained in the avoiding opening after being pushed inwards or pulled outwards. According to the display device, opening is convenient, in the unfolding process of the glass protection panel, the space outside the display device does not need to be occupied, and potential safety hazards in the opening process of the glass protection panel are reduced.

The invention provides a tool changing device and machining equipment with the same. Wherein the tool changing device is rotatably arranged on the machining equipment main body and comprises a mounting structure, the mounting structure is provided with a containing part and a receding opening communicating with the containing part, the containing part is used for containing a tool, and the receding opening is used for allowing the tool to move into the containing part in the rotating process of the tool changing device; the locking assembly is arranged on the mounting structure, the locking assembly comprises a driving structure and a locking piece, and the driving structure is in driving connection with the locking piece so as to be used for driving the locking piece to move; wherein the locking piece is provided with a locking position and a loosening position, and when the locking piece is located at the locking position, at least part of the outer surface of the locking piece abuts against the cutter, so that the cutter is locked in the containing part; and when the locking piece is in the loosening position, the locking piece is separated from the cutter. The problem that in the prior art, a tool on a tool changing arm of a machine tool is poor in locking stability is solved.

This invention belongs to the field of wireless communication technology and provides a low-jitter, low-reference-spurious orthogonal subsampling phase-locked loop (PLL). It includes a subsampling PLL and a frequency-locked loop. The subsampling PLL includes a functionally multiplexed QVCO, which is a Class F noise-cycled VCO. It comprises two identically structured Class F VCOs with I-core and Q-core noise cycles. The I-core and Q-core Class F VCOs achieve orthogonal outputs through cross-coupling of transistor gates. The sources of the oscillating transistors of both the I-core and Q-core Class F VCOs are connected in series with transistors and form a sixth-order resonant cavity, creating a noise-cycled path. The source output signal of the oscillating transistor is sent to a gate-isolated subsampling phase detector. The sampling switch of the gate-isolated subsampling phase detector is isolated from the outputs of the I-core and Q-core Class F VCOs by transistors to suppress binary frequency shift keying (BFS) effects. This invention features lower jitter, lower reference spurious emissions, lower power consumption, and a higher FoMJ value.

The utility model discloses a rewinding splitting machine with a self-locking function. The rewinding splitting machine comprises a rewinding splitting machine main body, a reel and a self-locking mechanism, the self-locking mechanism is arranged at the top end of the rewinding splitting machine body and comprises the driving motor, the movable cavity, the screw rod, the movable sleeve, the transmission arm, the rotating shaft, the locking plate and the like, the driving motor can drive the screw rod to rotate in the movable cavity, the movable sleeve is arranged on the outer side of the screw rod, and the screw rod can be driven to move up and down. And the locking plates are linked through the transmission arms at the front end and the rear end of the movable sleeve, so that the locking plates can be attached to the outer side of the reel for locking, the locking stability of the reel can be improved through the front set of locking plates and the rear set of locking plates, the reel locking device is suitable for reels of different sizes, the locking effect is good, and high practicability is achieved.

The utility model discloses an automobile B column guard plate which comprises a guard plate body, a notch groove with a downward opening, a left side arm plate located on the left side of the notch groove and a right side arm plate located on the right side of the notch groove are arranged at the lower end of the guard plate body, and a cover plate used for covering a safety belt fixing point is arranged in the notch groove. A lock catch assembly used for detachably locking and connecting the left side arm plate and the right side arm plate together is arranged between one of the left side arm plate and the right side arm plate and the cover plate, and when the lock catch assembly is opened, a slit used for a safety belt to penetrate through is formed between the left side edge or the right side edge of the cover plate and the corresponding left side arm plate or the right side arm plate. The upper side edge of the cover plate and the upper side edge of the notch groove define a safety belt penetrating hole used for penetrating of a safety belt, and the automobile B column protection plate is an integrated injection molding part.

The utility model discloses a high-strength anti-loosening bolt which comprises a bolt cap used for supporting, an inner hexagonal groove is formed in the center of the upper end face of the bolt cap, two sets of connecting rotating grooves used for limiting are formed in the upper end face of the bolt cap, and an anti-slip gasket is arranged on the lower end face of the bolt cap. And a screw rod is fixedly arranged at the center of the lower end surface of the bolt cap. In the anti-loosening process, the friction force of the bottom of the bolt cap is increased through the anti-slip gasket, then the pre-tightening force of the anti-slip gasket and a locking accessory can be improved firstly, meanwhile, after the bolt cap is limited, the elastic pressing piece and the rubber clamping ring can be driven by the threaded shaft to move downwards in a threaded mode, and therefore the elastic pressing piece can be in elastic press fit; and meanwhile, the rubber clamping ring can be pressed on the outer portion of the accessory, the torsion resistance and friction resistance are further improved, and the locking stability of the bolt cap can be improved to the maximum degree through the double-loosening design.

The invention discloses a water leakage prevention structure of a cleaning machine. The electric cooker comprises a lower shell and an upper cover, an inner container is fixed to the inner side of the lower shell, an inner door cover corresponding to the inner container is fixed to the inner side of the upper cover, an inner door cover protruding rib is fixed to the bottom of the inner door cover, a protruding rib inserting groove matched with the inner door cover protruding rib is formed in an upper end opening of the inner container, and the inner door cover protruding rib is inserted into the protruding rib inserting groove. The inner door cover protruding rib and the protruding rib inserting groove are vertically connected in an inserted mode, a drainage rib is further fixed to the bottom of the inner door cover and located on the inner side of the inner door cover protruding rib, an attaching groove matched with the drainage rib is formed in the inner side wall of the inner container, and a backflow hole is formed in the inner container. The bottom of the convex rib inserting groove is communicated with the inner side wall of the inner container through a backflow hole. The sealing structure has the beneficial effect that the door body can be sealed without adding an elastic sealing strip.

The utility model belongs to the technical field of alpenstocks, and particularly relates to an adjustable alpenstock for travel. The mountaineering stick for travel has multiple functions and is adjustable. Comprising a hollow stick rod, an adjusting pipe with a groove, a locking piece, a protection structure and the like, one end of the hollow stick rod is connected with a holding part, the other end of the hollow stick rod is provided with the locking piece to clamp and limit the adjusting pipe with the groove, and the far end of the adjusting pipe with the groove is connected with the protection structure. The alpenstock adopts a convenient single-hand adjusting structure, the arc-shaped block and the bulge are separated from the annular groove in the adjusting pipe with the groove by kneading the push arms on the two sides, and the alpenstock is quickly stretched to the longest state in cooperation with the elastic force of the spring; then the adjusting sleeve or the spine abuts against the ground to apply downward pressure, and contraction adjustment can be easily achieved; and after adjustment is in place, the push arm is loosened, the elastic piece drives the arc-shaped block to reset and clamp the annular groove, the locking stability is enhanced through the magnetic attraction structure, and accurate fixing of any length is achieved.

The utility model discloses an adjusting device of a glass daylighting roof, which comprises a supporting keel, a fixed base is arranged on the supporting keel through a screw, a reinforcing rib is arranged on the side surface of the fixed base, an adjusting bracket is fixed at the upper end of the fixed base, arc-shaped adjusting blocks are symmetrically arranged on two sides of the adjusting bracket, and the arc-shaped adjusting blocks are arranged on the arc-shaped adjusting blocks. An arc-shaped adjusting frame is in contact connection with the outer side of the arc-shaped adjusting block, a triangular connecting piece is fixed to the side face of the arc-shaped adjusting frame, a hinge piece is arranged at the tail end of the triangular connecting piece, an adjusting plate is hinged to the lower end of the hinge piece, the adjusting plate is in sliding connection with the interior of the adjusting support, and a locking device is arranged on the side face of the adjusting plate; a glass fixing frame is fixed to the upper end of the arc-shaped adjusting frame, and lighting glass is fixed into the glass fixing frame. According to the utility model, the adjusting bracket is matched with the arc-shaped adjusting block, the triangular connecting piece, the adjusting plate and the locking device, so that the installation angle of the daylighting glass is flexibly adjusted, and the daylighting glass is good in stability and not easy to loosen and fall off after being locked.