CN217009888U

CN217009888U - Angle adjusting mechanism for laser

Info

Publication number: CN217009888U
Application number: CN202220632712.5U
Authority: CN
Inventors: 胡君; 韩如霞; 刁晓峰; 安胜波; 管祖光; 贺雅楠
Original assignee: Fairsense Beijing Environment Technology Co ltd
Current assignee: Fairsense Beijing Environment Technology Co ltd
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-07-19
Anticipated expiration: 2032-03-22

Abstract

The application discloses laser instrument angle adjustment mechanism, its window lens seat including the laser instrument heat dissipation base that is used for installing the laser instrument diode and the light beam that is used for seeing through the laser instrument diode, the laser instrument diode is installed and is put in the inside central point of laser instrument heat dissipation base, the central point of window lens seat puts and has seted up the light trap, the circumference interval of window lens seat is provided with a plurality of jackscrews, jackscrew and window lens seat threaded connection, the one end of jackscrew and the inner wall butt of laser instrument heat dissipation base, a plurality of through-holes have been seted up to the lateral wall of window lens seat, every all wear to be equipped with locking screw in the through-hole, locking screw slides with the through-hole and is connected, locking screw's one end and window lens seat's inner wall threaded connection. This application has the effect of being convenient for adjust the light beam.

Description

Angle adjusting mechanism for laser

Technical Field

The application relates to the technical field of environmental pollution detection, in particular to a laser angle adjusting mechanism.

Background

At present, along with the gradual enhancement of people's environmental protection consciousness, the demand that detects to the environmental quality is higher and higher, consequently utilizes the laser instrument to detect the air quality also more and more common.

The laser diode is installed in the laser, however, errors are generated when the laser diode has self tolerance and the copper plate base is processed, and after the laser diode is installed in the laser, light beams emitted by the laser diode are difficult to align with a central hole in the lens cone, so that the waste of light beam resources is easily caused, and the measurement result is influenced.

SUMMERY OF THE UTILITY MODEL

The application provides a laser instrument angle adjustment mechanism has the effect of being convenient for adjust the light beam.

The application provides a laser instrument angle adjustment mechanism adopts following technical scheme:

the utility model provides a laser instrument angle adjustment mechanism, is including the window lens seat that is used for installing the laser instrument heat dissipation base of laser instrument diode and is used for seeing through the light beam of laser instrument diode, the laser instrument diode is installed and is put in the inside central point of laser instrument heat dissipation base, the central point of window lens seat puts and has seted up the light trap, the circumference interval of window lens seat is provided with a plurality of jackscrews, jackscrew and window lens seat threaded connection, the one end of jackscrew and the inner wall butt of laser instrument heat dissipation base, a plurality of through-holes have been seted up to the lateral wall of window lens seat, every all wear to be equipped with locking screw in the through-hole, locking screw slides with the through-hole and is connected, locking screw's one end and window lens seat's inner wall threaded connection.

Through adopting above-mentioned technical scheme, because the in-process of installing laser diode can produce the error, perhaps window lens seat's installation also can produce the error, consequently, the light beam that laser diode sent can produce the skew, thereby the light beam that makes laser diode send is difficult to pass the light trap completely, at this moment, the jackscrew of the rotatable relevant position of operating personnel, change the angle of light trap slope, align completely until light trap and light beam, the light beam that makes laser diode send can pass the light trap completely, fix window lens seat through locking screw after that, and convenient for operation.

As preferred, still be provided with copper and epoxy clamp plate in the laser instrument heat dissipation base, the epoxy clamp plate is installed in the inner wall of laser instrument heat dissipation base, the intermediate position of copper is seted up and is used for inlaying the first mounting groove of establishing the laser instrument diode, the lateral wall that the window lens seat was kept away from to the epoxy clamp plate is seted up and is used for inlaying the second mounting groove of establishing the copper.

Through adopting above-mentioned technical scheme, the laser diode is installed on the copper through first mounting groove to be convenient for load and unload the laser diode, install the copper in the second mounting groove of epoxy clamp plate, be convenient for make the copper and the inner wall contactless of laser instrument heat dissipation base, combine the insulating properties of epoxy clamp plate, can carry out insulation processing to the copper effectively, after the circular telegram in the copper, be convenient for supply power to the laser diode.

Preferably, a step groove for mounting the filter is formed in the light transmitting hole.

By adopting the technical scheme, the step groove is convenient to install the filter, so that the light beams emitted by the laser diode are conveniently filtered, and the target light beams are conveniently obtained.

Preferably, a threading hole is formed in the joint of the epoxy resin pressing plate and the copper plate.

Through adopting above-mentioned technical scheme, the setting up of through wires hole is convenient for make the connecting wire of being connected with the copper pass to be convenient for carry out wiring processing to the connecting wire.

Preferably, the outer peripheral face of the window lens seat is sleeved with a first elastic pressing ring, the outer peripheral face of the first elastic pressing ring is abutted to the inner peripheral face of the laser heat dissipation base, a first positioning block is arranged on the inner wall of the first elastic pressing ring, and a first positioning groove used for embedding the first positioning block is formed in the side wall of the window lens seat.

Through adopting above-mentioned technical scheme, the setting of first locating piece and first constant head tank is convenient for carry out prepositioning to first elastic compression ring to be convenient for establish first elastic compression ring cover on the outer peripheral face of window lens seat, and then seal the clearance between window lens seat and the laser instrument heat dissipation base, be convenient for carry out water repellent to the laser instrument diode.

Preferably, a sealing ring used for shielding the jackscrew and the locking screw is arranged on the side wall, away from the epoxy resin pressing plate, of the window lens seat, the outer peripheral surface of the sealing ring abuts against the inner peripheral surface of the laser heat dissipation base, and the inner peripheral surface of the sealing ring abuts against the side wall of the window lens seat.

Through adopting above-mentioned technical scheme, the setting of sealing ring is convenient for carry out waterproof and dustproof processing to jackscrew and locking screw, is convenient for carry out water repellent to laser diode moreover.

Preferably, the outer circumferential surface of the sealing ring is provided with a detaching groove which is convenient for detaching the sealing ring.

Through adopting above-mentioned technical scheme, the setting of dismantling the groove is convenient for change the sealing ring.

Preferably, the outer circumferential surface of the first elastic pressing ring is provided with a second positioning groove, and the inner circumferential surface of the laser heat dissipation base is provided with a second positioning block in plug-in fit with the second positioning groove.

Through adopting above-mentioned technical scheme, the grafting cooperation of second locating piece and second constant head tank is convenient for carry out prepositioning to first elastic compression ring to be convenient for install first elastic compression ring.

In summary, the present application has the following beneficial effects:

1. because errors can be generated in the process of mounting the laser diode or the window lens seat, light beams emitted by the laser diode can be deviated, so that the light beams emitted by the laser diode can not completely penetrate through the light transmission holes, at the moment, an operator can rotate a jackscrew at a corresponding position to change the inclined angle of the light transmission holes until the light transmission holes are completely aligned with the light beams, so that the light beams emitted by the laser diode can completely penetrate through the light transmission holes, and then the window lens seat is fixed through a locking screw, so that the operation is convenient;

2. the laser diode is installed on the copper through first mounting groove to be convenient for load and unload the laser diode, install the copper into the second mounting groove of epoxy clamp plate, be convenient for make the copper not contact with the inner wall of laser instrument heat dissipation base, combine the insulating properties of epoxy clamp plate, can carry out insulation treatment to the copper effectively, after the circular telegram in the copper, be convenient for supply power to the laser diode.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is an exploded view of an embodiment of the present application.

Fig. 3 is a schematic structural view of a copper plate and an epoxy resin press plate according to an embodiment of the present application.

Description of reference numerals: 2. a laser heat dissipation base; 21. a second positioning block; 23. connecting grooves; 3. a window lens holder; 31. a light-transmitting pillar; 311. a light-transmitting hole; 312. a step groove; 32. an annular mounting plate; 322. a first positioning groove; 4. carrying out top thread; 5. locking screws; 6. a copper plate; 61. a first mounting groove; 7. an epoxy resin press plate; 71. a second mounting groove; 72. threading holes; 8. a first elastic compression ring; 81. a first positioning block; 82. a second positioning groove; 9. a seal ring; 91. disassembling the groove; 10. and (4) a protective plate.

Detailed Description

The application discloses laser instrument angle adjustment mechanism, refer to fig. 1 and 2, including laser instrument heat dissipation base 2, window lens seat 3, copper 6 and epoxy clamp plate 7. A connecting groove 23 used for being connected with the window lens base 3 is formed in one end of the laser heat dissipation base 2, and a copper plate 6, an epoxy resin pressing plate 7 and a laser diode are placed in the connecting groove 23.

Referring to fig. 2 and 3, the epoxy resin pressing plate 7 is fixedly connected to the middle position of the connecting groove 23 through a bolt, a second mounting groove 71 is formed in a side wall of the epoxy resin pressing plate 7 facing away from the window lens base 3, the second mounting groove 71 is located at the middle position of the epoxy resin pressing plate 7, and the second mounting groove 71 is used for mounting the copper plate 6. First mounting groove 61 has been seted up towards the lateral wall of window lens seat 3 to copper 6, and first mounting groove 61 is located the intermediate position of copper 6, and first mounting groove 61 is used for installing the laser diode, and the laser diode passes through the bolt and installs in first mounting groove 61. In order to facilitate wiring of the connecting wires for connecting the copper plate 6, the epoxy resin pressing plate 7 is provided with a threading hole 72 at a connecting position with the copper plate 6. The threading holes 72 are provided in two, one threading hole 72 is located at the left side of the first mounting groove 61, and the other threading hole 72 is located at the right side of the first mounting groove 61.

Referring to fig. 1 and 2, the window lens holder 3 includes a light-transmitting post 31 and an annular mounting plate 32, the light-transmitting post 31 is a cylindrical structure, a light-transmitting hole 311 is formed in the light-transmitting post 31 along the length direction thereof, the light-transmitting hole 311 is used for light beams emitted by the laser diode to pass through, and the outer peripheral surface of one end of the light-transmitting post 31, which is far away from the laser heat dissipation base 2, is provided with a thread for connecting with a lens barrel. The annular mounting plate 32 is disposed on the end surface of the light-transmitting column 31 near one end of the laser heat dissipation base 2, and the annular mounting plate 32 and the light-transmitting column 31 are integrally formed. The outer diameter of the annular mounting plate 32 is larger than the outer diameter of the light-transmitting column 31, but the outer diameter of the annular mounting plate 32 is equal to or smaller than the inner diameter of the laser heat-dissipating base 2.

Referring to fig. 1 and 2, a plurality of jackscrews 4 are screwed to the side wall of the annular mounting plate 32, the plurality of jackscrews 4 are arranged at equal intervals in the circumferential direction of the annular mounting plate 32, and one end of the jackscrew 4 can abut against the side wall of the connecting groove 23 facing the window lens holder 3. The lateral wall of annular mounting panel 32 has seted up a plurality of through-holes 321 and be located one side of jackscrew 4, has all pegged graft in every through-hole 321 to have locking screw 5, and locking screw 5 slides in through-hole 321, and locking screw 5's one end and spread groove 23 face the lateral wall threaded connection of window lens seat 3. The inclined angle of the light hole 311 is convenient to change by rotating the jackscrew 4 at a certain position, and the locking screw 5 is screwed up until the light beam emitted by the laser diode completely penetrates through the light hole 311, so that the window lens holder 3 is convenient to fix.

Referring to fig. 1 and 2, the light-transmitting hole 311 is a cylindrical hole structure, a step groove 312 is formed in the light-transmitting hole 311, the step groove 312 is used for installing a filter, and the filter can be fixed in the step groove 312 by an adhesive method. In order to improve the sealing properties of the window lens holder 3 and thus facilitate the water-proof protection of the laser diode. The outer peripheral surface of the annular mounting plate 32 is sleeved with a first elastic pressing ring 8, and the outer peripheral surface of the first elastic pressing ring 8 is abutted to the inner peripheral surface of the connecting groove 23. In order to facilitate the installation of the first elastic pressing ring 8, the inner wall of the first elastic pressing ring 8 is provided with a first positioning block 81, and the first positioning block 81 and the first elastic pressing ring 8 are integrally formed. The inner peripheral surface of the connecting groove 23 is provided with a first positioning groove 322, and the first positioning block 81 is inserted into and matched with the first positioning groove 322. The epoxy resin pressing plate 7 is embedded in the middle of the first elastic pressing ring 8. It needs to be supplemented that one end of the locking screw 5 sequentially penetrates through the annular mounting plate 32 and the side wall of the first elastic pressing ring 8 to be in threaded connection with the inner wall of the connecting groove 23, and one end of the jackscrew 4 sequentially penetrates through the annular mounting plate 32 and the side wall of the first elastic pressing ring 8 to be abutted against the inner wall of the connecting groove 23.

Referring to fig. 1 and 2, a sealing ring 9 is sleeved on one end of the light-transmitting column 31 close to the annular mounting plate 32, an outer circumferential surface of the sealing ring 9 abuts against an inner circumferential surface of the connecting groove 23, and a side wall of the sealing ring 9 close to the annular mounting plate 32 can abut against the annular mounting plate 32. In order to facilitate the detachment of the sealing ring 9, the outer circumferential surface of the sealing ring 9 is provided with a detachment groove 91, so that an operator can insert the sealing ring 9 into the detachment groove 91 by using a tool and take the sealing ring 9 off from the light-transmitting column 31.

Referring to fig. 2, in order to facilitate the assembly and disassembly of the window lens holder 3, a second positioning groove 82 is formed in the outer circumferential surface of the first elastic pressing ring 8, and the second positioning groove 82 extends along the length direction of the light-transmitting column 31. The inner peripheral surface of the connecting groove 23 is also fixedly connected with a second positioning block 21, and the second positioning block 21 is in inserting fit with the second positioning groove 82.

Referring to fig. 1, in order to facilitate timely heat dissipation of the laser diode, a yielding groove is formed in the side wall, back to the window lens seat 3, of the laser heat dissipation base 2 and is used for installing a fan. The peripheral wall of the abdicating groove is provided with a plurality of radiating fins, so that heat generated by the laser diode can be transmitted to the air in time. In order to protect the fan, the protection plate 10 is installed on the side wall of the abdicating groove back to the window lens seat 3, and a plurality of heat dissipation holes are formed in the protection plate 10.

The implementation principle of the embodiment of the application is as follows: when the light beam that needs make the laser diode send completely aligns with the light trap 311 of window lens seat 3, operating personnel can switch on the laser diode earlier, makes the light beam shine to light trap 311, and then through adjusting jackscrew 4, changes the angle that light trap 311 slopes, until the light beam sees through light trap 311 completely, alright use locking screw 5 to fix window lens seat 3 afterwards to the realization is adjusted the light beam purpose.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a laser instrument angle adjustment mechanism, is including laser instrument heat dissipation base (2) that are used for installing the laser instrument diode and window lens seat (3) that are used for seeing through the light beam of laser instrument diode, the laser instrument diode is installed and is put in the inside central point of laser instrument heat dissipation base (2), the central point of window lens seat (3) puts and has seted up light trap (311), its characterized in that: the circumference interval of window lens seat (3) is provided with a plurality of jackscrews (4), jackscrew (4) and window lens seat (3) threaded connection, the one end of jackscrew (4) and the inner wall butt of laser instrument heat dissipation base (2), a plurality of through-holes have been seted up to the lateral wall of window lens seat (3), every all wear to be equipped with in the through-hole locking screw (5), locking screw (5) slide with the through-hole and are connected, the one end of locking screw (5) and the inner wall threaded connection of window lens seat (3).

2. The laser angle adjustment mechanism of claim 1, wherein: still be provided with copper (6) and epoxy clamp plate (7) in laser instrument heat dissipation base (2), the inner wall in laser instrument heat dissipation base (2) is installed in epoxy clamp plate (7), first mounting groove (61) that are used for inlaying and establish the laser instrument diode are offered to the intermediate position of copper (6), the lateral wall that window lens seat (3) were kept away from in epoxy clamp plate (7) is offered and is used for inlaying second mounting groove (71) of establishing copper (6).

3. The laser angle adjustment mechanism of claim 1, wherein: a step groove (312) for installing a filter is formed in the light-transmitting hole (311).

4. The laser angle adjustment mechanism of claim 2, wherein: and a threading hole (72) is formed at the joint of the epoxy resin pressing plate (7) and the copper plate (6).

5. The laser angle adjustment mechanism of claim 2, wherein: the outer peripheral face cover of window lens seat (3) is equipped with first elasticity clamping ring (8), the outer peripheral face of first elasticity clamping ring (8) and the inner peripheral surface butt of laser instrument heat dissipation base (2), the inner wall of first elasticity clamping ring (8) is provided with first locating piece (81), first constant head tank (322) that are used for inlaying and establish first locating piece (81) are offered to the lateral wall of window lens seat (3).

6. The laser angle adjustment mechanism according to claim 2, characterized in that: the side wall, far away from the epoxy resin pressing plate (7), of the window lens seat (3) is provided with a sealing ring (9) used for shielding the jackscrew (4) and the locking screw (5), the outer peripheral surface of the sealing ring (9) is tightly abutted to the inner peripheral surface of the laser heat dissipation base (2), and the inner peripheral surface of the sealing ring (9) is tightly abutted to the side wall of the window lens seat (3).

7. The laser angle adjustment mechanism of claim 6, wherein: the peripheral face of sealing ring (9) is seted up and is convenient for carry out the dismantlement groove (91) dismantled sealing ring (9).

8. The laser angle adjustment mechanism of claim 5, wherein: and a second positioning groove (82) is formed in the outer peripheral surface of the first elastic pressing ring (8), and a second positioning block (21) in plug-in fit with the second positioning groove (82) is arranged on the inner peripheral surface of the laser heat dissipation base (2).