CN216210145U - Collimator based on switching of electric filter - Google Patents

Abstract

The utility model discloses a collimator based on electric filter switching, which comprises a collimator body and a slit body arranged at one end of the collimator body, wherein a protection mechanism is arranged at the same end of the collimator body as the slit body; the protection mechanism comprises a ring plate, an end cover, a protection rod arranged between the ring plate and the end cover in an annular array, a connecting rod symmetrically arranged on one side of the ring plate, which is far away from the protection rod, a telescopic rod penetrating through the center of the end cover, a protection plate arranged at one end of the telescopic rod, which is close to the slit body, and a spring sleeved on the rod body between the end cover and the protection plate and positioned on the telescopic rod. The slit protection device has the advantages that the slit protection device is kept away from the external box body by a certain distance, collision between the slit body and the box body is avoided, the joint of the slit body and the collimator body is protected, the coaxiality of the collimator body and the slit body is prevented from being damaged, and when structures such as a ring plate, an end cover or a protection rod deform, the protection plate is prevented from extruding the end of the slit body.

Description

A collimator based on motorized filter switching

technical field

The utility model relates to the technical field of parallel light pipes, in particular to a parallel light pipe based on electric filter switching.

Background technique

The collimator is used to obtain a beam from infinity, that is, parallel light. It is an important tool for calibrating and adjusting optical instruments, as well as an important part of optical measuring instruments. With different reticle, together with micrometer eyepieces or microscope systems, the focal length, discrimination rate and other imaging of the lens group can be measured. quality. Fix the attached adjustable reflector on the workpiece to be moved straight line detection, and use the attached Gauss autocollimation eyepiece to perform the linearity inspection of the moving workpiece.

When the collimator is in use, it is necessary to adjust the slit at the end so that the slit image is located on the focal plane of the collimator objective. There is no structure to protect the slit at the slit at the end of the collimator. During the transportation of the collimator, the collimator may be bumped, causing the slit and the collimator to shake. Therefore, we need a The collimator based on motorized filter switching solves this problem.

Utility model content

In order to overcome the deficiencies of the prior art, the utility model provides a parallel light pipe based on electric filter switching. The ring plate, the end cover and the protection rod protect the slit body and keep it at a distance from the external box. No contact, avoid collision between the slit body and the box body, protect the connection between the slit body and the parallel light pipe body, and prevent the coaxiality of the parallel light pipe body and the slit body from being damaged. When the end cover or the protection rod is deformed, the relative position between the slit body and the parallel light pipe body and the ring plate and other structures changes, the protection plate drives the telescopic rod to move in the end cover, and at the same time compresses the spring, so that the protection plate can follow When the slit body moves, when the ring plate, end cap or protection rod and other structures are deformed, the protection plate is prevented from pressing the end of the slit body, and the protection ability of the slit body and the parallel light pipe body is further improved.

In order to solve the above technical problems, the present utility model provides the following technical solutions: a collimator based on electric filter switching, comprising a collimator body and a slit body disposed at one end of the collimator body, the collimator body The same end as the slit body is provided with a protection mechanism;

The protection mechanism includes a ring plate, an end cover, a protection rod annularly arrayed between the ring plate and the end cover, a connecting rod symmetrically arranged on the side of the ring plate away from the protection rod, a telescopic rod running through the center of the end cover, and a telescopic rod arranged on the telescopic rod. A protection plate at one end of the rod close to the slit body and a spring sleeved on the rod body between the end cover and the protection plate of the telescopic rod.

As a preferred technical solution of the present invention, the connecting rod is far away from the connecting plate at one end of the ring plate, the side wall of the parallel light pipe body is symmetrically provided with mounting blocks, and the mounting blocks are evenly provided with screw holes, and the connection The plate is provided with sockets corresponding to the screw holes, and bolts adapted to the screw holes are inserted in the sockets.

As a preferred technical solution of the present invention, the mounting block is provided with a groove that is adapted to the connecting plate, and the screw hole is provided with the bottom of the groove.

As a preferred technical solution of the present invention, a washer is sleeved on the bolt.

As a preferred technical solution of the present invention, a soft pad is provided on the side of the protection plate close to the slit body.

As a preferred technical solution of the present invention, both ends of the spring are provided with protective pads.

As a preferred technical solution of the present invention, the protection rod penetrates through the edge of the end cover, the end of the protection rod is provided with threaded teeth, and the threaded teeth are symmetrically arranged on the two protection rods. A limiting plate is arranged on the rod body near the end of the rod, and a nut is installed on the end of the protection rod.

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

1. The ring plate, end caps and protection rods protect the slit body and keep it away from the external box to avoid collision between the slit body and the box. The junction of the tube body is protected to prevent the coaxiality of the parallel light tube body and the slit body from being damaged. The relative position between them changes, the protection plate drives the telescopic rod to move in the end cover, and at the same time compresses the spring, so that the protection plate can move with the movement of the slit body, when the ring plate, end cover or protection rod and other structures are deformed , to prevent the protection plate from squeezing the end of the slit body, and further improve the protection ability of the slit body and the parallel light pipe body;

2. Place the connecting plate on the mounting block, insert the bolt into the jack, then adjust the bolt to match the screw hole, fix the connecting plate and the mounting block together, and use a detachable structure to protect the ring plate, etc. The structure is connected with the collimator body, which ensures the normal use of the collimator body. At the same time, when the ring plate and other protective structures are damaged, it is convenient to replace the ring plate and other structures, which improves the subsequent maintainability of the collimator.

Description of drawings

Fig. 1 is the right-side three-dimensional structure schematic diagram of the present invention;

2 is a left-view three-dimensional structural schematic diagram of the present invention;

3 is a schematic diagram of the connection structure of the ring plate and the end cover of the present invention;

Fig. 4 is the structural representation of the place A of Fig. 1 of the utility model;

FIG. 5 is a schematic view of the structure at B of FIG. 2 of the present invention.

Among them: 1. Parallel light pipe body; 2. Slit body; 3. Ring plate; 4. End cover; 5. Protection rod; 6. Connecting rod; 7. Telescopic rod; 8. Protection plate; 9. Spring; 10 , connecting plate; 11, mounting block; 12, screw hole; 13, jack; 14, bolt; 15, groove; 16, limit plate; 17, nut.

Detailed ways

In order to make the technical means, creative features, goals and effects realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present utility model, not all . Based on the examples in the implementation manner, other examples obtained by those skilled in the art without creative work, all belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and the materials, reagents, etc. used in the following examples can be obtained from commercial sources unless otherwise specified.

Example:

As shown in Figures 1-5, a collimator based on motorized filter switching includes a collimator body 1 and a slit body 2 disposed at one end of the collimator body 1. The collimator body 1 and the slit body 2 The same end is provided with a protection mechanism;

The protection mechanism includes a ring plate 3, an end cover 4, a protection rod 5 annularly arrayed between the ring plate 3 and the end cover 4, a connecting rod 6 symmetrically arranged on the side of the ring plate 3 away from the protection rod 5, and running through the center of the end cover 4. The telescopic rod 7, the protection plate 8 disposed at one end of the telescopic rod 7 close to the slit body 2, and the spring 9 sleeved on the rod body of the telescopic rod 7 between the end cover 4 and the protection plate 8;

When the transport collimator body 1 shakes, the slit body 2 is protected by the ring plate 3, the end cover 4 and the protection rod 5, so as to keep a certain distance from the external box and avoid contact between the slit body 2 and the box. If there is a collision between the bodies, the connection between the slit body 2 and the collimator body 1 is protected to prevent the coaxiality of the collimator body 1 and the slit body 2 from being damaged. When the protection rod 5 is deformed, the relative position between the slit body 2 and the parallel light pipe body 1 and the ring plate 3 changes, the protection plate 8 drives the telescopic rod 7 to move in the end cover 4, and at the same time compresses the spring 9, The protection plate 8 can follow the movement of the slit body 2 to move, and when the ring plate 3, the end cap 4 or the protection rod 5 is deformed, the protection plate 8 is prevented from pressing the end of the slit body 2, which further improves the protection against friction. The protection capability of the slit body 2 and the parallel light pipe body 1 .

In other embodiments, the connecting rod 6 is away from the connecting plate 10 at one end of the ring plate 3 , the side wall of the parallel light pipe body 1 is symmetrically provided with mounting blocks 11 , and the mounting blocks 11 are evenly provided with screw holes 12 , and the connecting plate 10 is provided with an insertion hole 13 corresponding to the screw hole 12, and a bolt 14 adapted to the screw hole 12 is inserted inside the insertion hole 13;

Place the connecting plate 10 on the mounting block 11, insert the bolts 14 into the jacks 13, then adjust the bolts 14 to cooperate with the screw holes 12, and fix the connecting plate 10 and the mounting block 11 together using a removable The structure connects the protection structures such as the ring plate 3 with the parallel light pipe body 1, which ensures the normal use of the parallel light pipe body 1. At the same time, when the protection structures such as the ring plate 3 are damaged, it is convenient to replace the ring plate 3 and other structures, which improves the parallelism. Subsequent maintainability of the light pipe.

In other embodiments, the mounting block 11 is provided with a groove 15 adapted to the connecting plate 10 , and the screw hole 12 is provided with the bottom of the groove 15 ; the connecting plate 10 and the groove 15 are mutually engaged, which improves the installation of the connecting plate 10 stability.

In other embodiments, washers are sleeved on the bolts 14 to prevent direct contact between the bolts 14 and the connecting plate 10 from causing wear.

In other embodiments, the side of the protection plate 8 close to the slit body 2 is provided with a soft pad, which can protect the end of the slit body 2 and further improve the protection performance of the protection plate 8 .

In other embodiments, both ends of the spring 9 are provided with protective pads, which protect both ends of the spring 9 and prolong the service life of the spring 9 .

In other embodiments, the protection rod 5 penetrates through the edge of the end cover 4, the end of the protection rod 5 is provided with threaded teeth, and the threaded teeth are provided on the two protection rods 5 symmetrically, and the protection rod 5 is close to the rod body at the end. A limit plate 16 is set on the upper part, and a nut 17 is installed on the end of the protection rod 5; the protection rod 5 is inserted into the edge of the end cover 4, and the nut 17 is installed on the two symmetrically arranged protection rods 5 with the threaded teeth. The plate 16 fixes the end cover 4, realizes the detachability between the end cover 4 and the protection rod 5, and facilitates later maintenance.

In the present invention, unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may include the first and second features in direct contact, or may include the first and second features The features are not in direct contact but through additional features between them. Also, the first feature being "above", "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is "below", "below" and "below" the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

It is necessary to explain that the electrical components of the technical solution of the present application, such as the power component, the first motor and the second motor, etc. are all connected with an external controller, and the external controller is the prior art, and the technology of the present application is The solution does not improve it, so it is not necessary to disclose the specific model, circuit structure, etc. of the external controller, which does not affect the integrity of the technical solution of the present application.

The basic principles, main features and advantages of the present invention are shown and described above. It should be understood by those skilled in the art that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions are only preferred examples of the present invention, and are not intended to limit the present invention, without departing from the present invention. Under the premise of the spirit and scope, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (7)

1. The utility model provides a collimator based on electronic filter switches, includes collimator body (1) and sets up in slit body (2) of collimator body (1) one end, its characterized in that: a protection mechanism is arranged at the same end of the collimator body (1) and the slit body (2);

the protection mechanism comprises a ring plate (3), an end cover (4), a protection rod (5) arranged between the ring plate (3) and the end cover (4) in an annular array mode, a connecting rod (6) symmetrically arranged on one side, away from the protection rod (5), of the ring plate (3), a telescopic rod (7) penetrating through the center of the end cover (4), a protection plate (8) arranged at one end, close to the slit body (2), of the telescopic rod (7) and a spring (9) sleeved on the rod body, located between the end cover (4) and the protection plate (8), of the telescopic rod (7).

2. The electric filter switching based collimator as claimed in claim 1, wherein: the connecting rod (6) is far away from a connecting plate (10) at one end of the annular plate (3), the side wall of the collimator body (1) is symmetrically provided with mounting blocks (11), screw holes (12) are uniformly formed in the mounting blocks (11), the connecting plate (10) is provided with insertion holes (13) corresponding to the screw holes (12), and bolts (14) matched with the screw holes (12) are inserted into the insertion holes (13).

3. The electric filter switching based collimator as claimed in claim 2, wherein: the mounting block (11) is provided with a groove (15) matched with the connecting plate (10), and the screw hole (12) is formed in the bottom of the groove (15).

4. The electric filter switching based collimator as claimed in claim 2, wherein: and a washer is sleeved on the bolt (14).

5. The electric filter switching based collimator as claimed in claim 1, wherein: one side of the protection plate (8) close to the slit body (2) is provided with a soft cushion.

6. The electric filter switching based collimator as claimed in claim 1, wherein: and both ends of the spring (9) are provided with protective pads.

7. The electric filter switching based collimator as claimed in claim 1, wherein: the utility model discloses a safety protection device, including guard bar (5), end cover (4), thread tooth has been seted up to guard bar (5) tip, and thread tooth sets up in the symmetry and sets up on two guard bar (5), be provided with limiting plate (16) on the body of rod that guard bar (5) are close to the tip, nut (17) are installed to guard bar (5) tip.

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