CN118169828A - Ultraviolet laser projection lens - Google Patents

Abstract

The invention relates to the technical field of lenses, in particular to an ultraviolet laser projection lens, which comprises a fixed cylinder, wherein the front end of the fixed cylinder is in sliding connection with a movable cylinder, a movable frame is movably arranged in the movable cylinder, a convex lens is arranged in the movable frame, the left end and the right end of the movable cylinder are both provided with fixed plates, the lower end of the fixed cylinder is provided with a transverse part of a U-shaped tube, two vertical parts of the U-shaped tube are respectively arranged on the left end and the right end of the fixed cylinder, the upper ends of the two vertical parts of the U-shaped tube are both communicated with each other and are provided with auxiliary tubes, a pushing piece is movably arranged in the auxiliary tubes, the front end of the pushing piece extends out of the front side of the auxiliary tubes and is connected with the fixed plates, the lower end of the transverse part of the U-shaped tube is communicated with a straight tube, a first one-way valve is arranged on the straight tube, and an inflatable piece is arranged at the lower end of the straight tube in sliding connection with a first piston.

Description

Ultraviolet laser projection lens

Technical Field

The invention relates to an ultraviolet laser projection lens, and belongs to the technical field of lenses.

Background

The lens is an optical component for projecting images, the ultraviolet laser projection lens is one of the main types of the lens, the ultraviolet laser projection lens is one of the important components of optical wave equipment such as excimer laser annealing and the like, the ultraviolet laser projected by the ultraviolet laser projection lens is in an ultraviolet band, the thermal effect is not obvious, the pulse width is narrow, the thermal damage is small, and the cost of industrial production is greatly reduced;

The original light wave generated by the light wave equipment is processed and projected by utilizing the ultraviolet laser projection lens, so that light spots formed by the projected light wave are uniformly distributed, when the ultraviolet laser projection lens is utilized for projection, the position of a lens in the ultraviolet laser projection lens is generally adjusted due to uncertainty of the distance between a workpiece and the ultraviolet laser projection lens, so that the light spots are uniformly distributed on the surface of the workpiece, the lens position adjustment operation is generally carried out by adopting a thread structure at present, but the thread part on the thread structure is easy to damage due to the repeated adjustment operation for a long time, the error probability of the position of the lens adjustment is high, and the projection effect on the light wave is affected.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides an ultraviolet laser projection lens.

The technical scheme adopted by the invention for solving the technical problems is that the ultraviolet laser projection lens comprises a fixed cylinder, wherein the front end of the fixed cylinder is in sliding connection with a movable cylinder, the front end of the fixed cylinder extends into the movable cylinder, the front end surface of the movable cylinder is recessed backwards to form an outlet, the outlet extends to the front wall inside the movable cylinder, a mounting piece is arranged at the rear side of the outer end of the fixed cylinder, and the mounting piece is positioned at the rear side of the movable cylinder;

The movable cylinder is internally provided with a movable frame in a movable way, the movable frame is positioned at the front side of the fixed cylinder, a convex lens is arranged in the movable frame and positioned at the right rear side of the outlet, the movable cylinder is internally provided with a concave lens, the concave lens is positioned at the right rear side of the convex lens, the front end of the movable frame is provided with an adjusting piece, the adjusting piece extends out of the front side of the movable cylinder, the adjusting piece is positioned at the outer side of the outlet, and the left end and the right end of the movable cylinder are both provided with fixed plates;

The lower end of the fixed cylinder is provided with a transverse part of the U-shaped pipe, two vertical parts of the U-shaped pipe are respectively arranged at the left end and the right end of the fixed cylinder, the U-shaped pipe is positioned between the mounting piece and the movable cylinder, the upper ends of the two vertical parts of the U-shaped pipe are communicated with each other to be provided with an auxiliary pipe, the auxiliary pipe is positioned right behind the movable cylinder, a pushing piece is movably arranged in the auxiliary pipe, and the front end of the pushing piece extends out of the front side of the auxiliary pipe and is connected with the fixed plate;

The vertical straight pipe of arranging is installed in horizontal lower extreme intercommunication of U type pipe, and installs first check valve on the straight pipe, straight pipe lower extreme intercommunication sets up the piece of aerifing, sliding connection first piston in the straight pipe, and first piston is located first check valve downside, symmetry sets up two second elastic components between first piston lower extreme and the piece of aerifing.

Further, the inflatable piece comprises an end cover, the end cover is in threaded connection with the lower end of the straight pipe, the lower end of the straight pipe extends into the end cover, a sealing piece is arranged at the bottom end of the end cover, and the sealing piece is attached to the lower end of the straight pipe;

The lower end of the end cover is communicated with a first connecting pipe, a second one-way valve is assembled on the first connecting pipe, the lower end of the first connecting pipe is communicated with an installation air bag, the left end of the first connecting pipe is communicated with an exhaust pipe with a first control valve, and the communicating position of the exhaust pipe and the first connecting pipe is positioned on the upper side of the second one-way valve;

the lower end of the air bag is communicated with a suction pipe, a third one-way valve is assembled on the suction pipe, two second elastic pieces are symmetrically arranged between the lower end of the first piston and the inner bottom end of the end cover, two telescopic rods are symmetrically arranged between the lower end of the first piston and the inner bottom end of the end cover, and the telescopic rods are located on the inner side of the second elastic pieces.

Further, the left end and the right end of the straight pipe are both communicated with a second connecting pipe with a second control valve, the communicating position of the second connecting pipe and the straight pipe is located between the first check valve and the first piston, and the other ends of the two second connecting pipes are both communicated with the lower end of the U-shaped pipe.

Further, the pushing piece comprises a second piston which is connected in the auxiliary pipe in a sliding way, a round rod is arranged in the middle of the right end of the second piston, and the front end of the round rod extends out of the front side of the auxiliary pipe and is connected with the fixing plate;

An auxiliary plate is movably arranged in the auxiliary pipe and positioned at the front side of the second piston, the auxiliary plate is connected to the outer end of the round rod in a sliding manner, a third elastic piece is arranged between the auxiliary plate and the second piston, and the third elastic piece is positioned at the outer side of the round rod;

The utility model discloses a stopper, including auxiliary pipe, round bar, T type stopper, locating part, auxiliary pipe inner wall outwards sunken forming draw-in groove, the assembly locating part on the draw-in groove, and the locating part is located the round bar outside, the locating part laminating is in auxiliary plate front end, vertical portion of auxiliary pipe front end laminating T type stopper, and the transverse portion setting of T type stopper is in the auxiliary pipe, T type stopper is located the round bar outside, and T type stopper is located the locating part front side.

Further, the adjusting piece comprises four universal couplings, the four universal couplings are respectively arranged at four edge positions at the front end of the movable frame, the front end of each universal coupling is provided with a rod part of a bolt, the rod parts of the bolts penetrate through the movable cylinder, and the movable cylinder is in threaded connection with the bolts;

the four edges and corners of the front end of the movable frame are provided with first elastic pieces, the other ends of the four first elastic pieces are respectively arranged at the four edges and corners of the front wall inside the movable cylinder, the first elastic pieces are positioned at the outer sides of the outlets, and the inner sides of the first elastic pieces are provided with universal couplings and rod parts of bolts.

Further, the mounting piece comprises a first frame plate, the first frame plate is mounted on the outer end of the fixed cylinder, the first frame plate is positioned at the rear side of the U-shaped pipe, the outer end of the fixed cylinder is provided with a second frame plate, the rear end face of the second frame plate is overlapped with the rear end face of the fixed cylinder, and the second frame plate is positioned at the rear side of the first frame plate;

the first frame plate front end face is recessed backward to form a plurality of second holes, the second holes penetrate through the first frame plate, the second frame plate front end face is recessed backward to form a plurality of first holes, the first holes penetrate through the second frame plate, the first holes are located right behind the second holes, a plurality of reinforcing pieces are equidistantly installed between the first frame plate and the second frame plate, the reinforcing pieces are arranged at the outer end of the fixed cylinder, and the reinforcing pieces and the first holes are alternately arranged.

The invention has the beneficial effects that:

1. The second piston moves forwards along the auxiliary pipe by utilizing air pressure, so that the round rod, the fixed plate, the movable cylinder and the convex lens move forwards, the distance between the convex lens and the concave lens is adjusted pneumatically, the error probability of distance adjustment between the convex lens and the concave lens is effectively reduced, and the projection effect on light waves is effectively ensured.

2. The first piston moves upwards along the straight pipe through air pressure, oil in the straight pipe can be injected into the U-shaped pipe, the oil in the U-shaped pipe is shunted into the two auxiliary pipes, the second piston moves forwards along the auxiliary pipes, the round rod, the fixed plate, the movable cylinder and the convex lens move forwards, the first one-way valve arranged on the straight pipe prevents backflow of the oil in the U-shaped pipe, the convex lens is effectively prevented from moving backwards due to gas leakage, and the projection effect on light waves is further guaranteed.

3. When unable normal dismantlement between mounting screw and the nut, usable instrument cuts off the processing to the pole portion of the mounting screw that is located between first framed board and the second framed board, realizes the normal dismantlement to fixed section of thick bamboo, effectively guarantees the change and the maintenance to fixed section of thick bamboo, and is functional good.

4. Utilize bolt and universal joint, make movable frame take place to adjust the motion, realize adjusting the gradient of protruding type lens, make concave type lens and protruding type lens can effectively convert original light wave, and then guarantee the projection effect to the light wave to utilize first elastic component to exert thrust to movable frame, realize movable frame's stability, effectively avoid adjusting back movable frame and take place to rock the phenomenon.

5. The repulsive force is generated between the electromagnet and the magnetic plate, so that the magnetic plate, the movable plate and the convex lens move upwards, the convex lens moves out of the upper side of the movable cylinder from the through groove, the convex lens is conveniently and rapidly disassembled and assembled under the condition that the movable cylinder is not disassembled, the damage probability caused by an adjusting structure formed by an auxiliary pipe, a second piston and other parts is effectively reduced, the adjusting accuracy of the adjusting structure is effectively ensured, and the projection effect of light waves is further ensured.

Drawings

Other features, objects and advantages of the present invention will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

FIG. 1 is a schematic view of an ultraviolet laser projection lens according to the present invention;

FIG. 2 is a perspective view of an ultraviolet laser projection lens according to the present invention;

FIG. 3 is a front view of an ultraviolet laser projection lens according to the present invention;

FIG. 4 is a cross-sectional view of an ultraviolet laser projection lens of the present invention;

FIG. 5 is an enlarged view of portion A of FIG. 4;

FIG. 6 is an enlarged view of portion B of FIG. 4;

FIG. 7 is a perspective view of a stationary barrel of an ultraviolet laser projection lens according to the present invention;

FIG. 8 is a perspective view of a movable barrel of an ultraviolet laser projection lens according to the present invention;

FIG. 9 is a perspective view of a convex lens in an ultraviolet laser projection lens according to the present invention;

FIG. 10 is an assembly diagram of a base plate and two U-shaped plates in an ultraviolet laser projection lens according to the present invention;

FIG. 11 is an assembly view of a straight tube, a U-shaped tube and an auxiliary tube in an ultraviolet laser projection lens according to the present invention;

FIG. 12 is a cross-sectional view of FIG. 11;

Fig. 13 is a cross-sectional view taken along line C-C of fig. 12.

In the figure: 1. the device comprises a fixed cylinder, 2, a movable cylinder, 3, a convex lens, 4, a straight pipe, 5, a U-shaped pipe, 6, a fixed plate, 7, an auxiliary pipe, 11, a first frame plate, 12, a second frame plate, 13, a first hole, 14, a second hole, 21, a cover plate, 22, an outlet, 23, a through groove, 30, a movable frame, 31, a bolt, 32, a first elastic member, 33, a universal coupling, 34, a bottom plate, 35, an electromagnet, 36, a magnetic plate, 37, a movable plate, 38, a U-shaped plate, 41, an end cover, 42, a first connecting pipe, 43, an air bag, 44, a suction pipe, 45, an exhaust pipe, 46, an annular rubber pad, 47, a second elastic member, 48, a telescopic rod, 49, a first piston, 51, a second connecting pipe, 71, a round rod, 72, a T-shaped plug, 73, a clamp spring, 74, an auxiliary plate, 75, a third elastic member, 76, a second piston, 101, a concave lens, a notch, 382 and an elastic buckle.

Detailed Description

The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.

Example 1

At present, the ultraviolet laser projection lens is generally fastened and installed on the light wave equipment by using screws, when the ultraviolet laser projection lens is replaced and maintained, the screws are generally detached firstly, but the screws are easy to slide when detached, so that the screws cannot be detached normally, the replacement and maintenance of the ultraviolet laser projection lens are affected, and the functionality is poor.

In order to solve the above-mentioned problems, as shown in fig. 1,2, 3, 4 and 7, there is provided an ultraviolet laser projection lens comprising a fixed barrel 1, a first frame plate 11 positioned at the rear side of a U-shaped tube 5 is mounted at the rear side of the outer end of the fixed barrel 1, and a second frame plate 12, the rear end surface of which coincides with the rear end surface of the fixed barrel 1 and is positioned at the rear side of the first frame plate 11, is provided at the outer end of the fixed barrel 1, the first frame plate 11 is used in cooperation with the second frame plate 12 to realize the mounting of the fixed barrel 1 to light wave equipment;

The front end surface of the first frame plate 11 is recessed backwards to form a plurality of second holes 14 penetrating through the first frame plate 11, the front end surface of the second frame plate 12 is recessed backwards to form a plurality of first holes 13 penetrating through the second frame plate 12 and located right behind the second holes 14, the first holes 13 are matched with the second holes 14 to enable mounting screws to penetrate through the first frame plate 11 and the second frame plate 12, a plurality of reinforcing pieces which are arranged at the outer end of the fixed cylinder 1 and are alternately arranged with the first holes 13 are equidistantly arranged between the first frame plate 11 and the second frame plate 12, and the plurality of reinforcing pieces increase the connection strength between the first frame plate 11 and the second frame plate 12 and can be rectangular blocks.

When in assembly, the fixed cylinder 1 is firstly placed on the light wave equipment, the fixed cylinder 1 is communicated with a light wave outlet of the light wave equipment, then an installation screw penetrates through the first hole 13, the second hole 14 and the shell part of the light wave equipment and is in threaded connection with a nut, and further the fixed cylinder 1 and the light wave equipment are fastened and installed;

when unable normal dismantlement between mounting screw and the nut, usable instrument cuts off the processing to the pole portion of the mounting screw that is located between first frame board 11 and the second frame board 12, realizes the normal dismantlement to fixed section of thick bamboo 1, effectively guarantees the change and the maintenance to fixed section of thick bamboo 1, and is functional good.

Example two

As shown in fig. 1,2, 3, 4, 6, 7, 8, 9, 11, 12 and 13, the front end of a fixed cylinder 1 extending into a movable cylinder 2 is slidably connected with the movable cylinder 2, a mounting carrier is provided for a convex lens 3 and other components by the movable cylinder 2, an outlet 22 extending to the front wall inside the movable cylinder 2 is formed by recessing the front end surface of the movable cylinder 2 backwards, projected light waves are emitted from the inside of the movable cylinder 2 through the outlet 22, a movable frame 30 positioned at the front side of the fixed cylinder 1 is movably arranged inside the movable cylinder 2, the mounting carrier is provided for the convex lens 3 through the movable frame 30, a convex lens 3 positioned at the right rear side of the outlet 22 is arranged in the movable frame 30, a concave lens 101 positioned right rear of the convex lens 3 is mounted inside the movable cylinder 2, the concave lens 101 is matched with the convex lens 3 for use, and the original light waves are converted into projected light waves;

Two fixing plates 6 are respectively arranged at the left end and the right end of the movable cylinder 2, two vertical parts of a U-shaped pipe 5 with a transverse part arranged at the lower end of the fixed cylinder 1 and positioned between the movable cylinder 2 and the first frame plate 11 are respectively arranged at the left end and the right end of the fixed cylinder 1, a storage space is provided for oil liquid through the U-shaped pipe 5, two auxiliary pipes 7 positioned right behind the movable cylinder 2 are respectively and communicatively arranged at the upper ends of the two vertical parts of the U-shaped pipe 5, and an installation space is provided for parts such as a second piston 76 through the auxiliary pipes 7;

A second piston 76 is connected in a sliding manner in the auxiliary pipe 7, the auxiliary pipe 7 is plugged through the second piston 76, the front end of a round rod 71 arranged in the middle of the right end of the second piston 76 extends out of the front side of the auxiliary pipe 7 and is connected with the fixed plate 6, the second piston 76 is connected with the fixed plate 6 through the round rod 71, an auxiliary plate 74 which is positioned at the front side of the second piston 76 and is connected with the outer end of the round rod 71 in a sliding manner is movably arranged in the auxiliary pipe 7, a third elastic piece 75 which is positioned at the outer side of the round rod 71 is arranged between the auxiliary plate 74 and the second piston 76, the second piston 76 is returned to the original position through the third elastic piece 75, and the third elastic piece 75 can adopt a spring;

A clamping groove is formed in the inner wall of the auxiliary pipe 7 in an outward concave manner, an installation space is provided for a limiting piece through the clamping groove, the limiting piece which is positioned at the outer side of the round rod 71 and is attached to the front end of the auxiliary plate 74 is assembled on the clamping groove, the auxiliary plate 74 is limited to be installed in the auxiliary pipe 7 by the limiting piece, the limiting piece can adopt a clamping spring 73, a vertical part of a T-shaped plug 72 which is arranged in the auxiliary pipe 7 and positioned at the outer side of the round rod and is positioned at the front side of the limiting piece is attached to the front end of the auxiliary pipe 7, and an opening of the auxiliary pipe 7 is plugged through the T-shaped plug 72;

The method comprises the steps of connecting and installing a vertical straight pipe 4 provided with a first one-way valve on the lower end of the transverse part of a U-shaped pipe 5, injecting oil into the U-shaped pipe 5 through the straight pipe 4, connecting two second connecting pipes 51 which are positioned between the first one-way valve and a first piston 49 and are communicated with the other end of the straight pipe 4 and are arranged at the lower end of the U-shaped pipe 5, and provided with second control valves, respectively, on the left end and the right end of the straight pipe 4, returning the oil in the U-shaped pipe 5 into the straight pipe 4 by utilizing the second connecting pipes 51, connecting the straight pipe 4 with the lower end extending into the end cover 41 at the upper end of the end cover 41 in a threaded manner, sealing the lower end of the straight pipe through the end cover 41, providing a mounting carrier for parts such as a second elastic part 47 on one side, arranging sealing parts attached to the lower end of the straight pipe 4 at the lower end of the end cover 41, and sealing the sealing parts of the end cover 41 through the sealing parts, wherein the sealing parts can adopt annular rubber pads 46;

The first piston 49 positioned at the lower side of the first one-way valve is slidably connected in the straight pipe 4, oil in the straight pipe 4 is pushed into the U-shaped pipe 5 through the first piston 49, two second elastic pieces 47 are symmetrically arranged between the lower end of the first piston 49 and the inner bottom end of the end cover 41, the two second elastic pieces 47 are matched for use, the first piston 49 can return to the original position, the second elastic pieces 47 can adopt springs, and two telescopic rods 48 positioned at the inner side of the second elastic pieces 47 are symmetrically arranged between the lower end of the first piston 49 and the inner bottom end of the end cover 41, so that the movement of the first piston 49 is guided by the telescopic rods 48;

The first connecting pipe 42 equipped with the second one-way valve is communicated and arranged on the lower end of the end cover 41, the straight pipe 4 and the air bag 43 are communicated and arranged through the first connecting pipe 42, the air bag 43 is communicated and arranged on the lower end of the first connecting pipe 42, the air bag 43 is utilized to convey air into the straight pipe 4, the suction pipe 44 equipped with the third one-way valve is communicated and arranged on the lower end of the air bag 43, the air bag 43 is supplemented with air through the suction pipe 44, and the exhaust pipe 45 which is communicated with the first connecting pipe 42 and is positioned on the upper side of the second one-way valve and provided with the first control valve is communicated and arranged on the left end of the first connecting pipe 42, and the air in the straight pipe 4 is discharged through the exhaust pipe 45.

When in use, the air bag 43 is extruded, so that the air in the air bag 43 enters the space in the straight pipe 4, which is positioned at the lower side of the first piston 49, along the first connecting pipe 42, and then the air pressure in the space in the straight pipe 4, which is positioned at the lower side of the first piston 49, is increased, and under the action of the air pressure, the first piston 49 moves upwards along the straight pipe 4, and the second elastic piece 47 is stretched, so that the second elastic piece 47 generates elastic force;

In the process of upward movement of the first piston 49, the oil in the straight pipe 4 is injected into the U-shaped pipe 5, so that the volume of the oil in the U-shaped pipe 5 is increased, the oil in the U-shaped pipe 5 is split into two auxiliary pipes 7, the second piston 76 moves forward along the auxiliary pipes 7, the third elastic piece 75 is extruded, and the third elastic piece 75 generates elastic force;

In the forward movement process of the second piston 76, the round rod 71 is moved forward, so that the fixed plate 6 is moved forward, and the movable cylinder 2 is moved forward along the fixed cylinder 1, so that the convex lens 3 is moved forward, the distance between the convex lens 3 and the concave lens 101 is adjusted pneumatically, the error probability of the distance adjustment between the convex lens 3 and the concave lens 101 is effectively reduced, and the projection effect on light waves is effectively ensured;

In addition, the oil is injected by utilizing air pressure, so that the second piston 76 is pushed to move forwards, and the first one-way valve arranged on the straight pipe 4 prevents the oil in the U-shaped pipe 5 from flowing back, so that the phenomenon that the convex lens 3 moves back due to air leakage is effectively avoided, and the projection effect on light waves is further ensured;

in addition, the air bag 43 can be loosened, so that external air enters the air bag 43 along the suction pipe 44, the air supplementing operation is carried out in the air bag 43, the subsequent air supplementing operation is realized, the first control valve on the exhaust pipe 45 can be opened, the air in the space, which is positioned at the lower side of the first piston 49, in the straight pipe 4 is discharged, under the elastic force of the second elastic piece 47, the first piston 49 is returned to the original position, the extrusion of oil in the straight pipe is relieved, the second control valve on the second connecting pipe 51 is opened, the oil in the U-shaped pipe 5 is returned to the straight pipe 4, the second piston 76 is moved backwards to the original position under the elastic force of the third elastic piece 75, and the round rod 71, the fixed plate 6, the movable pipe 2 and the convex lens 3 are moved backwards to the original position, so that the subsequent adjustment operation is facilitated;

In addition, the end cover 41 can be rotated, so that the end cover 41 and the straight pipe 4 are disassembled, then the second elastic piece 47 installed on the end cover 41 is taken out of the straight pipe 4, the first piston 49 is taken out of the straight pipe 4, the parts such as the first piston 49 and the straight pipe 4 are conveniently disassembled and assembled, the maintenance is convenient, the clamp spring 73 can be disassembled from the auxiliary pipe 7 by using a tool, the limitation of the auxiliary plate 74 is relieved, the parts such as the second piston 76 can be disassembled from the auxiliary pipe 7, the convenient disassembly and assembly between the fixed cylinder 1 and the movable cylinder 2 are realized, and the maintenance is convenient.

Example III

When the movable cylinder 2 moves back and forth along the fixed cylinder 1 by adopting a gas type, the distance between the convex lens 3 and the concave lens 101 is adjusted, but when the fixed cylinder 1 and the movable cylinder 2 are assembled, a gap is easily formed between the fixed cylinder 1 and the movable cylinder 2, after the fixed cylinder 1 carries out adjustment movement, an included angle phenomenon is easily formed between the movable cylinder 2 and the fixed cylinder 1 due to the gap, so that the inclination probability of the convex lens 3 arranged in the movable cylinder 2 is larger, and the projection effect of the concave lens 101 and the convex lens 3 on light waves can be influenced.

In order to solve the above problems, as shown in fig. 1,2, 3, 4, 5, 9 and 10, universal couplings 33 are provided at four angular positions of the front end of the movable frame 30, the bolts 31 are movably connected to the movable frame 30 via the universal couplings 33, the shaft portions of the bolts 31 having the shaft portions penetrating the movable cylinder 2 and screwed to the movable cylinder 2 are mounted on the front ends of the universal couplings 33, and the movable frame 30 is moved back and forth by the bolts 31;

Four first elastic pieces 32 which are positioned outside the outlet 22 and are internally provided with a universal coupler 33 and a rod part of a bolt 31 are respectively arranged at four angular positions at the front end of the movable frame 30, the other ends of the four first elastic pieces 32 are respectively arranged at four angular positions of the front wall inside the movable cylinder 2, the four first elastic pieces 32 are matched for use, on one hand, the movable frame 30 and the movable cylinder 2 are movably connected, on the other hand, the regulation of the movable frame 30 is compensated, and the first elastic pieces 32 can adopt springs.

When the adjusted convex lens 3 tilts, a corresponding bolt 31 can be rotated, and the bolt 31 is in threaded connection with the movable cylinder 2, so that the bolt 31 rotates and moves back and forth simultaneously, the corresponding universal coupler 33 moves back and forth, and under the cooperation of the rest universal couplers 33, the movable frame 30 is adjusted to adjust the tilt of the convex lens 3, so that the concave lens 101 and the convex lens 3 can effectively convert original light waves, and the projection effect of the light waves is further ensured;

In addition, the first elastic piece 32 is in a compression state after being assembled, so that the first elastic piece 32 has elastic force, after the movable frame 30 is adjusted, the elastic force of the first elastic piece 32 at different positions can apply different pushing forces to the movable frame 30, the stability of the movable frame 30 is realized, and the shaking phenomenon of the movable frame 30 after the adjustment is effectively avoided.

Example IV

In order to ensure normal projection operation, the convex lens 3 is generally replaced, and before the convex lens 3 is replaced, an adjusting structure formed by an auxiliary tube 7, a second piston 76 and other parts is generally detached, so that the movable cylinder 2 and the fixed cylinder 1 are detached, then the convex lens 3 installed in the movable cylinder 2 is detached and replaced, and after the adjusting structure is detached for a plurality of times, the probability of damage to the adjusting structure is relatively high, so that the adjusting operation can be influenced, and the projection effect of light waves is further influenced.

In order to solve the above problems, as shown in fig. 1, 3, 4, 5, 8, 9 and 10, the movable frame 30 includes a bottom plate 34, the bottom plate 34 is movably disposed at the bottom end inside the movable cylinder 2, a mounting carrier is provided for the U-shaped plate 38 through the bottom plate 34, two relatively disposed U-shaped plates 38 located in the movable cylinder 2 are symmetrically mounted at the upper end of the bottom plate 34, then a convex lens 3 with its left and right ends respectively extending into the two U-shaped plates 38 is disposed between the two U-shaped plates 38, the two U-shaped plates 38 cooperate to provide a mounting space for the convex lens 3, and two universal couplings 33 and a first elastic member 32 are symmetrically disposed at the front end of the U-shaped plate 38;

The upper end face of the movable cylinder 2 is downwards recessed to form a through groove 23 which extends to the inner wall of the movable cylinder 2 and is positioned at the front side of the fixed cylinder 1, the upper ends of two U-shaped plates 38 extend into the through groove 23, the transverse part of a cover plate 21 with the vertical part positioned in the through groove 23 and positioned at the upper side of the U-shaped plates 38 is attached to the upper end of the movable cylinder 2, the through groove 23 is blocked by the cover plate 21, the left end and the right end of the cover plate 21 are connected with the left end and the right end of the movable cylinder 2 through flat mouth snap-fit, and the two flat mouth snap-fit use is carried out, so that the cover plate 21 and the movable cylinder 2 can be detachably connected;

The electromagnet 35 positioned between the two U-shaped plates 38 is arranged in the middle of the upper end of the bottom plate 34, the magnetic plate 36 positioned between the two U-shaped plates 38 is attached to the upper end of the electromagnet 35, the electromagnet 35 and the magnetic plate 36 are mutually exclusive, the left end and the right end of the movable plate 37 respectively extend into the two U-shaped plates 38 and are attached to the lower end of the convex lens 3 are arranged at the upper end of the magnetic plate 36, the magnetic plate 36 is matched with the electromagnet 35 for use, so that the movable plate 37 moves upwards, and the convex lens 3 is lifted through the movable plate 37;

The U-shaped plate 38 is recessed inward toward the outer end to form a notch 381 extending to the inner wall of the U-shaped plate 38 and to the upper end of the U-shaped plate 38, the vertical portion of the elastic buckle 382 extending into the through groove 23 is mounted on the bottom end of the notch 381, the buckle head portion of the elastic buckle 382 is attached to the upper end of the convex lens 3, and the two elastic buckles 382 are matched for limiting and mounting the convex lens 3.

When in use, the flat mouth hasp is firstly opened, so that the limitation of the cover plate 21 is further removed, then the cover plate 21 is detached, so that the through groove 23 is in an exposed state, then the elastic clasp 382 is outwards stirred, so that the limitation of the convex lens 3 is removed, then the circuit of the electromagnet 35 is connected, so that the electromagnet 35 generates a magnetic field, and a repulsive force is generated between the electromagnet 35 and the magnetic plate 36;

Under the action of repulsive force, the magnetic plate 36 moves upwards, the movable plate 37 moves upwards along the U-shaped plate 38, the convex lens 3 moves upwards, the convex lens 3 moves out of the upper side of the movable cylinder 2 from the through groove 23, then the convex lens 3 can be disassembled, the convex lens 3 can be disassembled conveniently under the condition that the movable cylinder 2 is not disassembled, the damage probability caused by an adjusting structure formed by the auxiliary tube 7, the second piston 76 and other parts is effectively reduced, the adjusting accuracy of the adjusting structure is effectively ensured, and the projection effect of light waves is further ensured.

Although the present disclosure describes embodiments, not every embodiment is described in terms of a single embodiment, and such description is for clarity only, and one skilled in the art will recognize that the embodiments described in the disclosure as a whole may be combined appropriately to form other embodiments that will be apparent to those skilled in the art.

Claims (6)

1. An ultraviolet laser projection lens, which is characterized in that: the movable cylinder (2) is connected with the front end of the fixed cylinder (1) in a sliding manner, the front end of the fixed cylinder (1) extends into the movable cylinder (2), the front end surface of the movable cylinder (2) is recessed backwards to form an outlet (22), the outlet (22) extends to the front wall inside the movable cylinder (2), a mounting piece is arranged on the rear side of the outer end of the fixed cylinder (1), and the mounting piece is located on the rear side of the movable cylinder (2);

The movable cylinder (2) is internally and movably provided with a movable frame (30), the movable frame (30) is positioned at the front side of the fixed cylinder (1), the movable frame (30) is internally provided with a convex lens (3), the convex lens (3) is positioned at the right rear side of the outlet (22), the movable cylinder (2) is internally provided with a concave lens (101), the concave lens (101) is positioned at the right rear side of the convex lens (3), the front end of the movable frame (30) is provided with an adjusting piece, the adjusting piece extends out of the front side of the movable cylinder (2), the adjusting piece is positioned at the outer side of the outlet (22), and the left end and the right end of the movable cylinder (2) are respectively provided with a fixed plate (6);

The U-shaped pipe (5) is arranged at the lower end of the fixed cylinder (1), two vertical parts of the U-shaped pipe (5) are respectively arranged at the left end and the right end of the fixed cylinder (1), the U-shaped pipe (5) is positioned between the mounting piece and the movable cylinder (2), the upper ends of the two vertical parts of the U-shaped pipe (5) are communicated with each other to be provided with an auxiliary pipe (7), the auxiliary pipes (7) are positioned right behind the movable cylinder (2), a pushing piece is movably arranged in the auxiliary pipes (7), and the front ends of the pushing pieces extend out of the front sides of the auxiliary pipes (7) and are connected with the fixed plate (6);

The vertical straight pipe (4) of vertical arrangement is installed in the horizontal lower extreme intercommunication of U type pipe (5), and installs first check valve on straight pipe (4), straight pipe (4) lower extreme intercommunication sets up the piece of aerifing, sliding connection first piston (49) in straight pipe (4), and first piston (49) are located first check valve downside, symmetry sets up two second elastic component (47) between first piston (49) lower extreme and the piece of aerifing.

2. The ultraviolet laser projection lens of claim 1, wherein: the inflatable part comprises an end cover (41), the end cover (41) is in threaded connection with the lower end of the straight pipe (4), the lower end of the straight pipe (4) extends into the end cover (41), a sealing part is arranged at the bottom end of the inside of the end cover (41), and the sealing part is attached to the lower end of the straight pipe (4);

The lower end of the end cover (41) is communicated with a first connecting pipe (42), a second one-way valve is assembled on the first connecting pipe (42), an air bag (43) is arranged at the lower end of the first connecting pipe (42) in a communicated mode, an exhaust pipe (45) with a first control valve is arranged at the left end of the first connecting pipe (42) in a communicated mode, and the communicating position of the exhaust pipe (45) and the first connecting pipe (42) is located on the upper side of the second one-way valve;

the lower end of the air bag (43) is communicated with a suction pipe (44), a third one-way valve is assembled on the suction pipe (44), two second elastic pieces (47) are symmetrically arranged between the lower end of the first piston (49) and the inner bottom end of the end cover (41), two telescopic rods (48) are symmetrically arranged between the lower end of the first piston (49) and the inner bottom end of the end cover (41), and the telescopic rods (48) are located on the inner side of the second elastic pieces (47).

3. The ultraviolet laser projection lens of claim 1, wherein: the left end and the right end of the straight pipe (4) are both communicated with a second connecting pipe (51) with a second control valve, the communicating position of the second connecting pipe (51) and the straight pipe (4) is located between the first one-way valve and the first piston (49), and the other ends of the two second connecting pipes (51) are both communicated with the lower end of the U-shaped pipe (5).

4. The ultraviolet laser projection lens of claim 1, wherein: the pushing piece comprises a second piston (76), the second piston (76) is connected in the auxiliary pipe (7) in a sliding mode, a round rod (71) is arranged in the middle of the right end of the second piston (76), and the front end of the round rod (71) extends out of the front side of the auxiliary pipe (7) and is connected with the fixing plate (6);

An auxiliary plate (74) is movably arranged in the auxiliary pipe (7), the auxiliary plate (74) is positioned at the front side of the second piston (76), the auxiliary plate (74) is slidably connected to the outer end of the round rod (71), a third elastic piece (75) is arranged between the auxiliary plate (74) and the second piston (76), and the third elastic piece (75) is positioned at the outer side of the round rod (71);

The utility model discloses a stopper is located round bar (71), including accessory tube (7), stopper, T type stopper (72), locating part, auxiliary tube (7) inner wall outwards sunken forming draw-in groove, the last locating part of assembly, and the locating part is located the round bar (71) outside, the locating part laminating is in accessory plate (74) front end, vertical portion of T type stopper (72) is laminated to accessory tube (7) front end, and the transverse portion setting of T type stopper (72) is in accessory tube (7), T type stopper (72) are located the round bar outside, and T type stopper (72) are in the locating part front side.

5. The ultraviolet laser projection lens of claim 1, wherein: the adjusting piece comprises four universal couplings (33), the four universal couplings (33) are respectively arranged at four edge positions at the front end of the movable frame (30), the front end of each universal coupling (33) is provided with a rod part of a bolt (31), the rod part of each bolt (31) penetrates through the movable cylinder (2), and the movable cylinders (2) are in threaded connection with the bolts (31);

The four edges and corners of the front end of the movable frame (30) are provided with first elastic pieces (32), the other ends of the four first elastic pieces (32) are respectively arranged at the four edges and corners of the front wall inside the movable cylinder (2), the first elastic pieces (32) are positioned at the outer side of the outlet (22), and the inner sides of the first elastic pieces (32) are provided with universal couplings (33) and rod parts of bolts (31).

6. The ultraviolet laser projection lens of claim 1, wherein: the mounting piece comprises a first frame plate (11), the first frame plate (11) is mounted at the outer end of the fixed cylinder (1), the first frame plate (11) is positioned at the rear side of the U-shaped pipe (5), a second frame plate (12) is arranged at the outer end of the fixed cylinder (1), the rear end face of the second frame plate (12) is overlapped with the rear end face of the fixed cylinder (1), and the second frame plate (12) is positioned at the rear side of the first frame plate (11);

The front end face of the first frame plate (11) is recessed backwards to form a plurality of second holes (14), the second holes (14) penetrate through the first frame plate (11), the front end face of the second frame plate (12) is recessed backwards to form a plurality of first holes (13), the first holes (13) penetrate through the second frame plate (12), the first holes (13) are located right behind the second holes (14), a plurality of reinforcing pieces are arranged between the first frame plate (11) and the second frame plate (12) at equal intervals, the reinforcing pieces are arranged at the outer end of the fixed cylinder (1), and the reinforcing pieces and the first holes (13) are alternately arranged.