356results about "Laser constructional details" patented technology

The utility model relates to the technical field of lasers, in particular to a laser packaging device which comprises a bottom frame and a cover plate, a closing assembly used for guaranteeing packaging and sealing effects is arranged in the bottom frame, the closing assembly comprises an embedded plate arranged at the bottom of the cover plate, a lock groove is formed in the bottom frame, and the embedded plate is connected with the lock groove. A plurality of cavities are formed in the inner wall of the locking groove, springs and clamping teeth are arranged in the cavities, a connecting rod is arranged on the inner wall of the clamping tooth in the uppermost cavity in the locking groove, a conical head is arranged at the other end of the connecting rod, a through groove is formed in the other end of the connecting rod, and an air bag is arranged in the through groove. Closed packaging is achieved in a clamping and embedding mode, the packaging stability and the service life are guaranteed through the multiple clamping teeth, the interior is isolated during clamping and embedding, and the sealing performance of packaging is improved by filling gaps with foaming agents.

The utility model discloses a light outlet control device applied to a laser and the laser, and relates to the technical field of lasers. The device comprises a shell, a driving motor, a shading plate and a connecting arm. Wherein a containing space capable of containing the light shielding plate is arranged in the shell, the containing space is divided into a light shielding area and a working area, the light shielding plate can move between the working area and the light shielding area, and when the light shielding plate completely moves to the light shielding area, laser emitted by the laser can be prevented from being emitted from the light outlet. The two ends of the connecting arm are connected with the driving motor and the shading plate correspondingly, and the driving motor can drive the shading plate to reciprocate between the working area and the shading area through the connecting arm. Therefore, whether the light shielding plate moves to the light shielding area capable of shielding laser emission or not can be controlled by controlling operation of the motor, and whether the light shielding plate shields laser emission or not is remotely controlled through the motor under the condition that the laser continuously generates the laser.

A snout assembly of a laser pump module may include a snout bulkhead comprising an opening along a longitudinal axis of the snout bulkhead. The snout assembly may include a ferrule in the opening of the snout bulkhead. The snout assembly may include a metallization layer on a portion of an outer surface of the ferrule. The snout assembly may include a copper-silver (CuAg) solder material between the metallization layer and a surface of the opening. The CuAg solder material may bond the ferrule and the snout bulkhead.

In one aspect, an example handheld device for providing a spectrochrome output includes (a) an enclosed chamber containing one or more substances; (b) a light source; (c) an electromagnetic coil; (d) one or more magnets; and (e) a housing, wherein the housing is configured to: (i) secure the enclosed chamber; (ii) secure the light source such that an output of the light source is substantially aligned to pass through the enclosed chamber in one or more directions; and (iii) secure the electromagnetic coil around the enclosed chamber such that an electromagnetic field is created in a substantially same direction of the output of the light source through the enclosed chamber.

The utility model discloses an EML substrate used for an optical module, an EML COC assembly and the optical module, the EML substrate used for the optical module comprises a substrate body, the substrate body is provided with a common grounding area, the surface of the common grounding area is provided with a gold-tin solder area used for fixedly connecting an EML laser, and the surface of the common grounding area is provided with a copper-tin solder area used for fixedly connecting the copper-tin solder area. The substrate body is also provided with a high-frequency signal input line and a high-frequency signal impedance adjusting line which are independent from each other. When the EML substrate needs high high-frequency signal input line impedance, the high-frequency signal input line and the high-frequency signal impedance adjusting line do not need to be connected through a gold bonding wire, and when the EML substrate needs low high-frequency signal input line impedance, the high-frequency signal input line and the high-frequency signal impedance adjusting line are connected in parallel through the gold bonding wire. The EML substrate may have at least two impedances. By adopting the scheme of the EML substrate, even if the EML substrate is manufactured, the impedance of the high-frequency signal input line of the EML substrate can still be changed.

The invention discloses a modular quick-release detection interface infrared laser module, and particularly relates to the technical field of infrared laser modules, the modular quick-release detection interface infrared laser module comprises a base, a shell, a mounting mechanism used for mounting and fixing the base, an infrared laser emission module used for outputting infrared laser, a signal converter and a detection interface, the shell is internally provided with a central processing unit, and the central processing unit is internally provided with a signal processing module; one side of the shell is provided with a plugging calibration mechanism, the plugging calibration mechanism is used for adjusting the contact state between an external connecting line and the detection interface, and the device further comprises a communication quality acquisition module and a plugging displacement sensing module. According to the invention, the problems of incomplete contact between an external connecting line and a detection interface and unstable signals of the infrared laser module under complex working conditions such as high-frequency plugging, blind plugging and the like are solved, a contact state evaluation mechanism based on real-time acquisition and intelligent judgment is constructed, automatic correction is realized through a plugging calibration mechanism, and the detection accuracy is improved. And the connection reliability and the system operation stability are effectively improved.

A micro-electromechanical system (MEMS) component, comprising a MEMS chip (11) and a magnet apparatus (12). The MEMS chip (11) comprises: a movable part (111), a fixed frame (112), a cantilever (113), and a sensor (114), the movable part (111) being connected to the fixed frame (112) by means of the cantilever (113). The magnet apparatus (12) is used for generating a magnetic field, and the movable part (111) is located in the magnetic field. The sensor (114) is disposed on the movable part (111), and the sensor (114) comprises a first connection end (a), a second connection end (b), a third connection end (c) and a fourth connection end (d), which are sequentially adjacent. The first connection end (a) is connected to a first feedback signal line (s1), the third connection end (c) is connected to a second feedback signal line (s2), the first feedback signal line (s1) and the second feedback signal line (s2) are used for transmitting a feedback signal of the sensor (114), and the feedback signal is a voltage signal indicating the angle or position of the MEMS component. The first feedback signal line (s1) and the second feedback signal line (s2) are arranged along a first direction of the movable part (111). The described MEMS device reduces feedback crosstalk, and improves precision. Also provided is a laser device.

The utility model provides a random laser experiment mounting rack with a sleeve structure, which comprises a rack body, a mounting table, an objective table, a clamping assembly, an adjusting assembly, a shading cylinder and an adjusting disc, the side surface of the shading cylinder is provided with an entrance port and an exit port, the adjusting disc is rotatably arranged on one side of the shading cylinder, a plurality of lenses are detachably arranged on the adjusting disc, and the lenses are fixed on the rack body. A sample is fixed to the objective table through the clamping assembly, the whole sample is covered with the shading cylinder, laser irradiates the sample from the incident port and is emitted out from the emergent port, most of light is shaded through the shading cylinder, light pollution is reduced, the position, irradiated by the laser, of the sample can be adjusted by adjusting the position of the objective table through the adjusting assembly, and experimental research is facilitated; and the different lenses are driven to be aligned with the emergent ports by rotating the adjusting disc, so that the light rays can be researched at different refraction angles, the operation is simple, and various experiment requirements can be met.

The utility model relates to a rectangular optical system and a rectangular laser transmitter. The rectangular optical system comprises a laser source used for emitting laser; the laser collimation piece is arranged at the laser emitting end of the laser source so as to focus the laser into collimated laser, and the laser collimation piece at least comprises a first plano-convex lens and a second plano-convex lens which are sequentially arranged on a laser path; and the rectangular array mirror is arranged at the laser emitting end of the laser collimation piece so as to emit the incident collimation laser into a rectangular light spot. According to the utility model, laser is collimated and emitted into rectangular light spots, light focusing and overall uniform emission are realized, the accuracy and the stability of laser irradiation are improved, and the device is suitable for multiple fields of medical treatment, manufacturing and the like, and has relatively high practicability and economical efficiency.

The utility model discloses a laser light source adjusting seat, and relates to the field of laser auxiliary adjusting devices. The utility model provides a laser light source adjusting seat which can be adjusted on two sides and can be adjusted at any angle. A laser light source adjusting seat comprises a connecting seat, an oblique angle plate is fixedly connected to the top end of the connecting seat, a long circular plate is rotatably connected to the oblique angle plate, a supporting assembly used for supporting the long circular plate is arranged on the oblique angle plate, bottom plates which are transversely and symmetrically arranged are fixedly connected to the long circular plate, and first moving plates are slidably connected to the bottom plates; two first connecting frames are rotatably connected to the first moving plate, a second moving plate is slidably connected to the bottom plate, two second connecting frames are rotatably connected to the second moving plate, and the second connecting frames and the first connecting frames are distributed in a crossed mode. A laser is fixed on the clamping circular plates, the emitting direction of a laser light source can be adjusted by rotating the long circular plates, the height is adjusted by controlling the clamping circular plates on the left side and the right side to move up and down, and the emitting angle of the laser light source can be adjusted at will according to needs.

The utility model discloses a laser absorption device and laser equipment, and relates to the technical field of laser equipment. The laser absorption device comprises an absorption trap and a baffle, one end of the absorption trap is open, the other end is closed, and the inner wall of the absorption trap is used for absorbing light; the baffle covers the opening, a mounting hole for placing the concave lens is formed in the baffle, and the mounting hole penetrates through the baffle in the thickness direction of the baffle and is communicated with the opening; the absorption well comprises at least three plate-shaped structures, the at least three plate-shaped structures are arranged in the circumferential direction of the absorption well, in the first section, the inner wall of the absorption well is provided with a first angle at the position of the closed end, and the first section is parallel to the length direction of the absorption well. The laser absorption device achieves the purposes of simplifying the structure and improving the heat absorption efficiency.

In one aspect, an example handheld device for providing a spectrochrome output includes (a) an enclosed chamber containing one or more substances; (b) a light source; (c) an electromagnetic coil; (d) one or more magnets; and (e) a housing, wherein the housing is configured to: (i) secure the enclosed chamber; (ii) secure the light source such that an output of the light source is substantially aligned to pass through the enclosed chamber in one or more directions; and (iii) secure the electromagnetic coil around the enclosed chamber such that an electromagnetic field is created in a substantially same direction of the output of the light source through the enclosed chamber.

The invention relates to the technical field of blood analyzers, in particular to a structure for adjusting a laser in three directions of an optical assembly of a blood analyzer. Comprising an optical base, a laser, a first connecting machining part, a fixing metal plate, a second connecting machining part, an adjusting screw part, an adjusting plate, a pan head screw, a first combined screw, a second combined screw, a guiding pressing piece, a third combined screw and a sheath flow device component assembly, the guiding pressing piece is used for limiting the laser in the X-axis direction, the Y-axis direction and the Z-axis direction, and when one direction is adjusted, the other two directions are locked; and linkage is avoided. And displacement adjustment is carried out in cooperation with scales on the laser, the second connecting machining part and the first connecting machining part, and the laser is rapidly adjusted to the design position of the assembly body of the sheath flow device part. The number of debugging parts of an optical assembly of an old structure is 18, the number of the parts can be reduced to 14 through the structure for adjusting the laser, assembling of four parts is reduced, and the assembling and debugging time is shortened by more than 30 minutes.

The invention relates to the technical field of laser positioning, and discloses a laser positioning device which comprises a shell, a mounting plate is fixedly connected to the inner wall of the shell, a carrier plate is rotatably connected to the inner wall of the mounting plate, a focusing assembly is mounted on the carrier plate, an adjusting assembly is arranged on the carrier plate, and the adjusting assembly comprises a control frame. The control frame is fixedly connected with one side of the carrying plate, and one side of the control frame is fixedly connected with a telescopic rod. The adjusting assembly is in butt joint with an external control signal through the control panel, automatic fine adjustment can be achieved through the telescopic rod, operation is efficient and accurate, meanwhile, in the adjusting process, the gasket can prevent the control frame from directly colliding with the clamping frame, the spring always provides reverse tension, it is ensured that the telescopic rod is not blocked during driving, and the service life of the telescopic rod is prolonged. And angle deviation caused by vibration after adjustment can be prevented, the shell and the panel are fastened in cooperation with installation bolts, and the overall operation stability of the device is further guaranteed.

The utility model discloses a steering mechanism for laser beams, which comprises a mounting component, the mounting component comprises a base and a support rod, and the support rod is fixedly mounted on the upper end face of the base; the rotating part comprises an operation board, a moving frame, teeth, a gear, a through hole, a push rod, an eccentric wheel, a servo motor and a rotating rod; the lower end face of the operation board is fixedly connected with the top end of the supporting rod, the upper end face of the operation board is in lap joint with the lower end face of the movable frame, the surface of the movable frame is fixedly installed on one side of a tooth, one side of the tooth is in meshed connection with the surface of a gear, and the through hole is formed in the upper end face of the movable frame. According to the laser beam machine, when the pushing rod moves in the moving frame and drives the moving frame, the moving frame slides in the limiting opening, horizontal movement is achieved, the direction of the laser beam machine body is adjusted when the gear is driven by the teeth, and the steering structure of the device is simple and easy to use.

The utility model relates to the technical field of continuous wave lasers, in particular to a maintenance structure easy to disassemble and a laser. The easy-to-disassemble maintenance structure comprises a seat body and a module piece, the module piece is adhered to the seat body, the module piece comprises an end face opposite to the seat body and a peripheral face surrounding the end face, a plurality of threaded holes are formed in the end face in a penetrating mode, and the threaded holes are formed in the extending direction of the peripheral face at intervals; the threaded hole is used for screwing in an adjusting screw, so that the module piece moves in the direction away from the base body when the adjusting screw is screwed in the threaded hole, and then the module piece is separated from the base body. The problem that in the prior art, a laser module is difficult to replace and maintain, and consequently the laser is directly scrapped can be solved. According to the easy-to-disassemble maintenance structure, maintenance personnel can disassemble and replace module pieces of the laser more easily, so that the repeated utilization rate of the laser is improved, the cost is effectively reduced, and the service life of the laser is prolonged.

The invention belongs to the technical field of high-energy laser, and discloses a packaging device for laser accessory production, which comprises a connecting shaft, a mounting block is fixedly mounted at the bottom of the connecting shaft, a guide sleeve fixedly sleeves the bottom of the mounting block, and a telescopic rod fixedly sleeves the middle of the guide sleeve. And pressure regulating mechanisms are fixedly mounted at the two telescopic ends of the telescopic rod. Under the condition that the clamping plate and the accessory plate do not slide relative to each other, the clamping plate drives the accessory plate to move downwards to cross the buckle of the mounting bracket and the area where the friction force between the accessory plate and the mounting bracket is large, so that the upper surface and the lower surface of the accessory plate are not touched, and the accessory plate is fixed according to the resistance between the accessory plate and the mounting bracket. The clamping force between the accessory plate and the clamping plate is adjusted, and the problem that the accessory plate is bent, deformed and broken due to the fact that an existing clamping device keeps the maximum extrusion force with the accessory plate for a long time is solved.

The utility model discloses a collecting assembly and a laser. The collecting assembly comprises a shell and a first baffle. A cavity and a light inlet communicated with the cavity are defined by the shell. The shell is provided with an inner bottom wall facing the light inlet, and the inner bottom wall is inclined relative to the axis of the light inlet. The first baffle is arranged in the cavity and located between the light inlet and the inner bottom wall, the first baffle comprises a first inclined face facing the inner bottom wall, and the first inclined face inclines relative to the axis of the light inlet. The laser is suitable for being reflected to the first inclined face from the inner bottom wall. According to the collection assembly and the laser, the laser collection effect can be guaranteed, the escape amount of the laser is greatly reduced, and the operation safety is improved.

The utility model discloses a residual laser collecting device, belongs to the technical field of lasers, and aims to solve the problems that a laser is polluted, the stability of the laser is influenced, and the use of the laser is influenced by multiple reflections in a laser shell in the prior art. The residual laser collecting device comprises a transmission light path located in a laser and used for residual laser transmission and a collecting cavity located outside the laser. The transmission light path comprises a lens, a frequency doubling crystal, a spectroscope and a reflector; the lens, the frequency doubling crystal and the spectroscope are arranged along the transmission direction of the residual laser, the residual laser is used as incident light, the incident light is transmitted and converged into the frequency doubling crystal through the lens, and emergent laser after passing through the frequency doubling crystal comprises frequency doubling laser and emergent residual laser; the frequency-doubled laser is transmitted to the light path of the other part of the laser through the spectroscope to be output; and the emergent residual laser is reflected by the reflecting mirror and then enters the collecting cavity to be collected.

The invention discloses a subnanosecond green laser which comprises a subnanosecond green laser body. A base is movably installed at the bottom end of the subnanosecond green laser body, a horizontal adjusting mechanism is arranged in the base, and clamping mechanisms are arranged on the two sides of the base. A mounting seat is movably mounted at the bottom end of the base, a vertical jacking mechanism is arranged between the mounting seat and the middle of the base, and guide mechanisms are arranged at the four corners of the mounting seat and the four corners of the base. When the horizontal position of the subnanosecond green laser body needs to be adjusted, a second rotary knob is twisted, the second rotary knob drives a threaded rod in a transmission groove to rotate, the threaded rod drives a movable block to horizontally move along the interior of the transmission groove when rotating, and when the movable block horizontally moves, the subnanosecond green laser body is driven by a clamping block to horizontally move at the same time; therefore, the purpose of conveniently adjusting the horizontal position is achieved.

The utility model discloses a holmium laser generating device which comprises a pulse xenon lamp, a holmium laser rod is horizontally arranged in a ceramic cavity from bottom to top, two ends of the pulse xenon lamp horizontally extend to the outside of the ceramic cavity and are respectively connected with a motor chuck, one end of the holmium laser rod horizontally extends to the outside of the ceramic cavity, and the other end of the holmium laser rod horizontally extends to the inside of the ceramic cavity. The total-reflection film is plated on one end face of the holmium laser rod, the other end of the holmium laser rod horizontally extends out of the ceramic cavity, and the semi-reflection film is plated on the other end face of the holmium laser rod; the semiconductor laser assembly comprises a semiconductor laser and a semiconductor laser base, the semiconductor laser is installed at the end, close to the total-reflection film, of the shell through the semiconductor laser base, and laser beams emitted by the semiconductor laser are aligned with the total-reflection film; the coupler is mounted at one end, close to the semi-reflective film, of the shell through the coupler seat, and a laser focusing channel of the coupler is aligned with the semi-reflective film. According to the utility model, the laser emission efficiency is improved, and the laser light path stability is improved.

The utility model belongs to the technical field of laser welding, and particularly relates to a multichannel laser which comprises a case and a water cooling plate installed in the case, the water cooling plate is provided with a plurality of pumping sources, beam shapers and diaphragms which are sequentially and correspondingly arranged, the case is provided with a plurality of optical fiber bundle channels, and the optical fiber bundle channels are communicated with the pumping sources. Each optical fiber bundle channel is connected with an optical fiber bundle; the pumping source is connected with the beam shaper through a homogenizing optical fiber, the beam shaper is arranged opposite to the diaphragm, and the diaphragm is connected with the optical fiber bundle; the plurality of pumping sources synchronously emit laser, and the laser enters the beam shaper through the corresponding homogenizing optical fibers and irradiates the corresponding optical fiber bundles so as to realize synchronous transmission of multiple beams of laser; according to the utility model, the plurality of channels are arranged, so that laser can be transmitted in different channels and finally output, and synchronous welding and product quality can be ensured when products with complex contours or special-shaped structures are welded.

This invention provides a laser source, including a supporting shaft and a first light source module. The supporting shaft includes an outer peripheral surface; the first light source module includes multiple first light source structures evenly spaced around the axis of the supporting shaft. Each first light source structure includes a first heat sink substrate and a corresponding first laser chip. The first heat sink substrate includes an adjacent fixing surface and a mounting surface. The fixing surface is fixed to the outer peripheral surface along a direction parallel to the axis of the supporting shaft, and the first laser chip is disposed on the mounting surface. The laser source provided by this invention integrates the first heat sink substrate and the first laser chip on the supporting shaft, enabling the emission of a well-distributed beam without the need for optical elements for light shaping.

The invention provides a magnesium-modified narrow-spectrum green luminescent material, a preparation method and application thereof, and a laser display device, and belongs to the technical field of luminescent materials. The magnesium modified narrow-spectrum green light-emitting material has excellent light-emitting performance, when x is equal to 0.2, the emission wavelength of the (Sr0. 8Mg0. 2) Ga2S4: 0.04 Eu < 2 + > narrow-spectrum green light-emitting material under excitation of 450 nm blue light is 537.7 nm, chromaticity coordinates are (0.2916, 0.6766), the half-peak width is 47 nm, and the external quantum efficiency reaches 53.1%, which obviously exceeds that of undoped modified SrGa2S4: Eu < 2 + > fluorescent powder (the external quantum efficiency is 33.1%). The liquid crystal display has important application prospects in wide-color-gamut liquid crystal display and laser display, and has important research significance and application value for promoting the development of high-end display (such as laser display).

The utility model provides a lens connecting device of a laser emitting device, which comprises a light outlet fixedly arranged on the side surface of the laser emitting device and a connecting fastening section sleeved on the outer side of the light outlet, and a connecting plate fixedly connected with a light beam shape adjusting device is arranged on the outer side of the connecting fastening section. A vertical positioning stop block is fixedly arranged on the outer side of the light outlet, and a vertical positioning groove is formed in the bottom of the connecting fastening section to be used in cooperation with the vertical positioning stop block. A horizontal positioning force-bearing protruding block is fixedly arranged on the inner wall of the connecting fastening section, and a horizontal positioning groove is formed in the top of the light outlet and used in cooperation with the horizontal positioning force-bearing protruding block. The beneficial effects of the utility model lie in that through designing the lens switching mechanism which is convenient to disassemble, the time and difficulty of manually replacing the lens can be significantly reduced, so that the laser emission device is more convenient to use, the laser emission device is allowed to be rapidly switched among different output light spots, and the equipment can adapt to more application scenes and requirements.

The utility model provides a tunable optical module laser, which relates to the technical field of optical fiber lasers and comprises a laser main body and a circuit, a sealing cover plate is slidably arranged on the top surface of the laser main body, an installation substrate is arranged in the laser main body, a damping spring rod is arranged on the bottom surface of the installation substrate, and a control mainboard is connected to the top surface of the installation substrate through screws. A mainboard cover plate is slidably connected to the surface of the mounting base plate, a cover plate limiting block is arranged on the bottom face of the sealing cover plate and abuts against the top face of the mainboard cover plate, the damping spring rods support the mounting base plate, top protection is conducted through the mainboard cover plate, and limiting is conducted through the bottom face of the sealing cover plate and the cover plate limiting block. After the sealing cover plate is slidably detached during maintenance, the mounting substrate can eject and expose the whole control mainboard to the top position of the laser main body in a state that the damping spring rod slowly rebounds, so that the control mainboard is not limited by the size of the laser main body during maintenance, and the control mainboard can be conveniently and rapidly maintained and replaced.

The invention relates to a method and a device (1) for producing coherent Smith-Purcell electromagnetic radiation, which device comprises: an electrically conductive diffraction grating (5) laterally defined by two electrically conductive outer side walls (51, 52); a source (7) for generating an electron beam (11) above the diffraction grating (5), the electron beam being configured to interact with the diffraction grating so as to produce coherent Smith-Purcell electromagnetic radiation (3) directed upstream of the diffraction grating (5) in a predetermined direction; and a mirror (9) configured to collect all of the electromagnetic radiation and redirect it parallel to the diffraction grating (5) to an exit (15) downstream of the diffraction grating (5).

The utility model belongs to the technical field of laser structures, and discloses a laser. Three mounting positions and two beam combiners are arranged in an outer shell of the laser, each mounting position is used for mounting a modular resonant cavity, each modular resonant cavity can generate a beam of laser, and the laser has a first state, a second state and a third state and can output laser with low intensity, medium intensity and high intensity respectively. The modular resonant cavities are of the same structure, and each modular resonant cavity can be installed in any one of the three installation positions. By flexibly configuring the modular resonant cavity and the beam combiner, the laser with different intensities can be output in different states, and the laser can be switched in different states. According to the design, the flexibility and the output power of the laser can be improved, and a more efficient and safer treatment means is provided for the medical field. Meanwhile, each modular resonant cavity adopts the same structure, so that the modular resonant cavity has a relatively high degree of universality, the production cost and the maintenance cost of the laser can be remarkably reduced, and the popularization and application values of the laser are improved.

The utility model provides a laser locator. The laser locator comprises a shell, a power supply unit and a laser output unit. A plurality of laser holes are formed in the surface of one side of the shell; the power supply unit is arranged in the shell and used for providing power; the laser output unit is arranged in the shell, the laser output unit is connected with the power supply unit, the laser output unit comprises a plurality of lasers, the lasers correspond to the laser holes in a one-to-one mode, and the optical axes of the lasers and the axis of the shell are coaxially arranged. And shaft parts at two ends can be ensured to be coaxial and parallel when a pipeline is mounted in a cross-length manner.

The application provides an adjusting mirror frame for a laser device, wherein: a centering pin is fixedly arranged; a horizontal seat is sleeved outside the centering pin; a vertical seat is connected with the horizontal seat; a lens assembly is connected by a lens seat and a special-shaped pin, the lens seat is provided with a lens, and the axis of the special-shaped pin passes through the center of the lens; a knob assembly is attached to the side of the vertical plate opposite to the lens assembly, and is composed of a knob and a torsion spring, the knob is connected with the special-shaped pin, the torsion spring is sleeved in the knob, and the two ends of the torsion spring are connected with the vertical seat and the knob respectively. The adjusting mirror frame can realize continuous fine adjustment in the pitch direction, and can ensure that the structures are always in close contact during the adjustment process.