CN218673498U

CN218673498U - Light path alignment assembly of interferometer

Info

Publication number: CN218673498U
Application number: CN202223331109.2U
Authority: CN
Inventors: 胡学柱
Original assignee: Xiaogan Qianjing Photoelectric Co ltd
Current assignee: Xiaogan Qianjing Photoelectric Co ltd
Priority date: 2022-12-13
Filing date: 2022-12-13
Publication date: 2023-03-21
Anticipated expiration: 2032-12-13

Abstract

The utility model relates to the technical field of interferometer, in particular to a light path collimation component of an interferometer, which comprises an interferometer base and an observation mirror component; screw rods are rotatably arranged in the strip-shaped grooves, the two screw rods are coaxially fixed, sliding blocks are arranged on the screw rods in a threaded mode, clamping blocks are arranged on the top surfaces of the sliding blocks, and an observation mirror is clamped between the two clamping blocks; through the observation mirror assembly that sets up: the two screw rods synchronously rotate by rotating the adjusting screw, so that the two slide blocks drive the two clamping blocks to synchronously move, the observation mirror can be clamped between the two clamping blocks under the action of the clamping blocks, and the observation mirror is fixed and can be directly opposite to the total reflection mirror after being fixed under the limiting of the clamping blocks on the two sides; the design can avoid the situation that the observation mirror inclines after being fixed, avoid influencing the display effect of light spots on the observation mirror, and is favorable for accurately adjusting the ray path.

Description

Light path alignment assembly of interferometer

Technical Field

The utility model relates to an interferometer technical field specifically is light path collimation subassembly of interferometer.

Background

The michelson interferometer is an optical interferometer, and the principle of the michelson interferometer is that a beam of incident light is divided into two beams by a spectroscope and then reflected by corresponding plane mirrors respectively, and because the two beams of light have the same frequency, the same vibration direction and constant phase difference (namely, the interference condition is met), the interference can occur; in order to ensure the accuracy of the measurement during the use of the interferometer, the optical path needs to be adjusted.

The light path collimation adjusting component of the interferometer mainly comprises a total reflection mirror, a compensation plate, a light splitting plate, an observation mirror and the like, wherein the observation mirror is a component used for presenting light spots when the light path is adjusted, two light spots can be presented on the observation mirror in the process of adjusting light, and the two light spots on the observation mirror are overlapped by adjusting the components such as the total reflection mirror, so that the collimation adjustment of the light path can be realized; at present, the sight glass mainly comprises handle and glass screen (the shape is similar to the magnifying glass), when using, need insert the handle in the jack of interferometer base to fix through the bolt, but when fixing the sight glass, whether the sight glass just relies on the naked eye to the total reflection mirror by the staff completely, consequently probably there is the situation of sight glass skew after the sight glass is fixed, on the glass screen of light spot shines to the slope, can produce the influence to light path collimation regulation, can not guarantee the collimation degree after the light path is adjusted, easily influence measurement accuracy, in view of this, we propose the light path collimation subassembly of interferometer.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an optical path collimation subassembly of interferometer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the light path collimation assembly of the interferometer comprises an interferometer base and an observation mirror assembly;

the observation mirror assembly is arranged on the front side of the interferometer base; including the horizontal pole, slidable mounting has the ring cover on the horizontal pole, and fixed mounting has the montant on the ring cover, and slidable mounting has the sliding sleeve on the montant, and the sliding sleeve threaded mounting has the spacing bolt that is used for supporting tight montant, and the fixing base is installed to the rear end face of sliding sleeve, and two bar grooves have been seted up to the top surface of fixing base, and the bar inslot all rotates and installs the lead screw, and two coaxial fixings of lead screw, and equal threaded mounting has the slider on the lead screw, and the clamp splice is all installed to the top surface of slider, and the centre gripping has the sight glass between two clamp splices.

As the utility model discloses preferred technical scheme, two a lateral wall of two mutually opposite of clamp splice all is the arc, and the arc inner wall of clamp splice laminates with the outer wall of sight glass mutually.

As the utility model discloses preferred technical scheme, the top surface of fixing base is located the below department of sight glass and all installs the tray, and the top surface of tray is laminated with the outer wall of sight glass mutually.

As the utility model discloses preferred technical scheme, right side coaxial key-type connection has the regulation spiral on the lead screw, and the outer wall of just adjusting the spiral has seted up a plurality of anti-skidding lines.

As the utility model discloses preferred technical scheme, install the socket on the interferometer base, the rear end and the socket cooperation of pegging graft of horizontal pole, first fixing bolt is installed to the screw thread on the socket, and first fixing bolt's end supports tight horizontal pole and fixes the horizontal pole in the socket.

As the utility model discloses preferred technical scheme, the second fixing bolt is installed to the screw thread on the ring cover, and the end of second fixing bolt supports tight horizontal pole and fixes ring cover and horizontal pole.

As the utility model discloses preferred technical scheme, be equipped with two guide rails on the inner wall of ring cover, two guide ways have been seted up on the horizontal pole, and guide rail and guide way sliding connection.

Compared with the prior art, the beneficial effects of the utility model are that:

through the observation mirror assembly that sets up: the two screw rods synchronously rotate by rotating the adjusting screw, so that the two slide blocks drive the two clamping blocks to synchronously move, the observation mirror can be clamped between the two clamping blocks under the action of the clamping blocks, and the observation mirror is fixed and can be directly opposite to the total reflection mirror after being fixed under the limiting of the clamping blocks on the two sides; the design can avoid the situation that the observation mirror inclines after being fixed, avoid influencing the display effect of light spots on the observation mirror, and is favorable for accurately adjusting the ray path.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural diagram of a base of an interferometer according to the present invention;

fig. 3 is a schematic structural view of a viewing mirror assembly according to the present invention;

fig. 4 is a schematic diagram of an exploded view of a sight glass assembly according to the present invention;

fig. 5 is a partial cross-sectional view of a sight glass assembly according to the present invention.

In the figure:

1. an interferometer base; 11. a socket; 12. a first fixing bolt;

2. a sight glass assembly; 20. an observation mirror; 21. a cross bar; 22. sleeving a ring; 23. a second fixing bolt; 24. a vertical rod; 25. a sliding sleeve; 251. a limit bolt; 26. a fixed seat; 261. a strip-shaped groove; 262. a support block; 27. a screw rod; 271. adjusting the screw; 28. a slider; 29. and (5) clamping blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The embodiment provides a technical scheme:

referring to fig. 1-5, the optical path collimating assembly of the interferometer includes an interferometer base 1 and a view mirror assembly 2; the interferometer base 1 is provided with a socket 11, the rear end of the cross rod 21 is in plug fit with the socket 11, the socket 11 is provided with a first fixing bolt 12 in a threaded manner, and the tail end of the first fixing bolt 12 abuts against the cross rod 21 and fixes the cross rod 21 in the socket 11; through first fixing bolt 12, be convenient for fix horizontal pole 21 in socket 11, not only firm to the fixed of horizontal pole 21, it is convenient to dismantle moreover.

Specifically, the observation mirror assembly 2 is arranged on the front side of the interferometer base 1; including horizontal pole 21, slidable mounting has ring cover 22 on horizontal pole 21, fixed mounting has montant 24 on the ring cover 22, and montant 24 and ring cover 22 inseparable welding, slidable mounting has sliding sleeve 25 on montant 24, sliding sleeve 25 threaded mounting has the stop bolt 251 who is used for supporting tight montant 24, fixing base 26 is installed to sliding sleeve 25's rear end face, and fixing base 26 and sliding sleeve 25 inseparable welding, two bar grooves 261 have been seted up to fixing base 26's top surface, all rotate in the bar groove 261 and install lead screw 27, and two coaxial fixes of lead screw 27, two coaxial inseparable welding of lead screw 27, slider 28 is installed to equal screw thread on the lead screw 27, clamp splice 29 is all installed to slider 28's top surface, and clamp splice 29 passes through rivet fixed connection with slider 28, the centre gripping has sight glass 20 between two clamp splices 29.

In this embodiment, two mutually opposite lateral walls of two clamp blocks 29 all are the arc, and the arc inner wall of clamp block 29 laminates mutually with the outer wall of sight glass 20, and this design can improve clamp block 29 to the centre gripping and the fixed effect of sight glass 20, improves the stability of sight glass 20.

In this embodiment, the top surface of fixing base 26 is located the below department of sight glass 20 and all installs the tray 262, and the top surface of tray 262 is laminated mutually with the outer wall of sight glass 20, and the effect of bearing can be played to sight glass 20 in the setting of tray 262, improves the stability of sight glass 20.

In this embodiment, the coaxial key is connected with the adjusting screw 271 on the right screw 27, and a plurality of anti-slip threads are arranged on the outer wall of the adjusting screw 271, the setting of the adjusting screw 271 is convenient for rotating the screw 27, and the design is humanized.

In this embodiment, the second fixing bolt 23 is installed on the ring sleeve 22 in a threaded manner, the end of the second fixing bolt 23 abuts against the cross rod 21 and fixes the ring sleeve 22 and the cross rod 21, and the position of the ring sleeve 22 and the position of the observation mirror 20 are conveniently adjusted by the second fixing bolt 23, so that the requirement of adjusting the light path is met.

In this embodiment, two guide rails are arranged on the inner wall of the ring sleeve 22, two guide grooves are formed in the cross rod 21, the guide rails are connected with the guide grooves in a sliding manner, and the guide rails and the guide grooves are arranged, so that the requirement for sliding of the ring sleeve 22 and the cross rod 21 is met, the ring sleeve 22 can slide along the cross rod 21, and meanwhile, the rotation condition cannot occur, and the stability of the components such as the vertical rod 24, the fixed seat 26 and the observation mirror 20 is guaranteed.

It should be added that, in the embodiment, two side walls of the slider 28 are attached to the inner wall of the strip-shaped groove 261, and when the lead screw 27 rotates, the slider 28 can stably and horizontally move along the strip-shaped groove 261, so as to avoid situations such as shaking of the slider 28; in addition, the thread surrounding directions of the two screw rods 27 in the embodiment are opposite, and when the two screw rods 27 rotate, the two slide blocks 28 and the two clamping blocks 29 can be driven to synchronously move relatively, so that the observation mirror 20 can be conveniently fixed through the clamping blocks 29.

When the observation mirror is used specifically, a user firstly places the observation mirror 20 between the two clamping blocks 29, then the user rotates the adjusting screw 271, the adjusting screw 271 drives the screw rod 27 to rotate, the two sliding blocks 28 drive the two clamping blocks 29 to synchronously move relatively along with the rotation of the screw rod 27, at the moment, the clamping blocks 29 are close to the observation mirror 20 and clamp the observation mirror 20, the observation mirror 20 is fixed, then the user unscrews the limit bolt 251 and pushes the fixing seat 26 to move up and down, when the observation mirror 20 moves to a proper height, the user screws the limit bolt 251, finally, the user unscrews the second fixing bolt 23 and pushes the ring sleeve 22 to move horizontally along the cross rod 21, when the observation mirror 20 moves to a proper position, the user screws the second fixing bolt 23, and the installation of the observation mirror 20 is completed.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Light path collimation subassembly of interferometer, including interferometer base (1) and observation mirror subassembly (2), its characterized in that:

an observation mirror assembly (2) provided on the front side of the interferometer base (1); including horizontal pole (21), slidable mounting has ring cover (22) on horizontal pole (21), fixed mounting has montant (24) on ring cover (22), slidable mounting has sliding sleeve (25) on montant (24), sliding sleeve (25) threaded mounting is used for supporting stop bolt (251) of tight montant (24), fixing base (26) are installed to the rear end face of sliding sleeve (25), two bar grooves (261) have been seted up to the top surface of fixing base (26), all rotate in bar groove (261) and install lead screw (27), and two lead screws (27) are coaxial fixed, equal threaded mounting has slider (28) on lead screw (27), clamp splice (29) are all installed to the top surface of slider (28), clamp holder has sight glass (20) between two clamp splice (29).

2. The optical path collimating assembly of an interferometer according to claim 1, wherein: two opposite side walls of the clamping block (29) are arc-shaped, and the arc-shaped inner walls of the clamping blocks (29) are attached to the outer wall of the observation mirror (20).

3. The optical path collimating assembly of an interferometer according to claim 1, wherein: the top surface of fixing base (26) is located the below department of sight glass (20) and all installs tray (262), and the top surface of tray (262) and the outer wall of sight glass (20) laminate mutually.

4. The optical path collimating assembly of an interferometer according to claim 1, wherein: the coaxial key is connected with an adjusting screw (271) on the right side of the screw rod (27), and a plurality of anti-skid grains are arranged on the outer wall of the adjusting screw (271).

5. The optical path collimating assembly of an interferometer according to claim 1, wherein: install socket (11) on interferometer base (1), the rear end and socket (11) grafting cooperation of horizontal pole (21), first fixing bolt (12) are installed to the screw thread on socket (11), and the end of first fixing bolt (12) supports tight horizontal pole (21) and fixes horizontal pole (21) in socket (11).

6. The optical path collimating assembly of an interferometer according to claim 1, wherein: the ring sleeve (22) is provided with a second fixing bolt (23) in a threaded mode, the tail end of the second fixing bolt (23) abuts against the cross rod (21) tightly, and the ring sleeve (22) is fixed with the cross rod (21).

7. The optical path collimating assembly of an interferometer according to claim 1, wherein: the inner wall of the ring sleeve (22) is provided with two guide rails, the cross rod (21) is provided with two guide grooves, and the guide rails are connected with the guide grooves in a sliding manner.