Auto-collimator packaging device

Abstract

The utility model relates to the technical field of optical instrument manufacturing, in particular to an autocollimator packaging device. Comprising an outer shell, supporting legs and a shading inner shell. The supporting legs are arranged at the bottom of the shell; a containing cavity is formed in the outer shell, and the shading inner shell is provided with a containing groove used for containing a light path structure; the shading inner shell is arranged in the accommodating cavity and is detachably connected with the outer shell; a first light outlet hole is formed in one side of the outer shell, and a second light outlet hole corresponding to the first light outlet hole in position is formed in the position, located on one side of the first light outlet hole, of the shading inner shell. The stray light blocking device is simple and stable in structure, can effectively block the influence of stray light, improves the measurement precision, and improves the anti-interference capability of an instrument during high-precision measurement.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of optical instrument manufacturing more particularly to a kind of autocollimator packaging device. BACKGROUND

[0002] Autocollimator is a kind of precision measuring instrument using the autocollimation principle of light to convert angle measurement into linear measurement, is currently widely used in geometric metrology, experimental research and other fields.With the progress of science and technology and productivity development, the precision measurement precision requirement of current precision manufacturing and research field is higher and higher, the measurement precision of small angle is also higher demand, and the structural stability of instrument and stray light control are higher requirement, to improve the anti-interference ability of autocollimator to environmental disturbance.

[0003] But some autocollimators, it is easy to be influenced by stray light, thereby affecting measurement precision. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the insufficient that autocollimator of prior art is easily disturbed by stray light, provide a kind of autocollimator packaging device, stray light is better inhibited, improve the anti-interference ability of instrument when high-precision measurement is used.

[0005] To solve the above technical problems, the utility model adopts the technical scheme that:

[0006] Provide a kind of autocollimator packaging device, including shell, support leg and light-shielding inner shell;The support leg is located at the bottom of the shell;The shell is internally provided with containing cavity, and the light-shielding inner shell is provided with containing groove for placing optical path structure;The light-shielding inner shell is placed in the containing cavity and is detachably connected with the shell;One side of the shell is provided with first light exit hole, and one side of the light-shielding inner shell located in the first light exit hole is provided with second light exit hole corresponding to the position of the first light exit hole.

[0007] The autocollimator packaging device of the utility model, when in use, optical path structure is placed in the containing groove of light-shielding inner shell, and the specific shape of containing groove can be designed according to the shape structure of optical path structure, the stray light is shielded and inhibited by light-shielding inner shell, and the optical path can only pass through first light exit hole and second light exit hole to enter or exit the shell, effectively avoiding the influence of the rest stray light;The shell is further provided outside the light-shielding inner shell, which can protect and shield dust, and can also effectively avoid the impact on optical path components during the test process, so as to avoid the change of optical path and affect the precision.The entire optical path structure can be packaged inside the packaging device provided by the utility model, which is convenient for storage and transportation.

[0008] Further, an inner threaded structure is arranged at the first light outlet hole to facilitate installation of a window mirror to ensure the sealing performance of the whole instrument.

[0009] Further, the shell comprises a bottom plate, a front plate, a back plate, a left side plate, a right side plate and a top cover; the front plate, the left side plate, the back plate and the right side plate are sequentially arranged around the bottom plate, and the top cover is connected with the front plate, the left side plate, the back plate and the right side plate around; the first light outlet hole is arranged on the front plate. The shell is designed as a square structure, and the light-shielding inner shell can be designed as a structure with three sides provided with shielding plates. The side corresponding to the bottom plate is designed without shielding plates, and the side corresponding to the back plate can also be designed without shielding plates. On the one hand, the bottom plate without shielding plates facilitates installation and fixation of the light path structure; on the other hand, the bottom plate side and the back plate side do not have light paths during use and thus do not need to be shielded, which can save materials and facilitate placement of the light path structure in the accommodating groove of the light-shielding inner shell.

[0010] Further, opposite sides of the top cover are fixedly connected with the left side plate and the right side plate respectively; the front plate and the back plate are detachably connected with the bottom plate, the left side plate, the right side plate and the top cover respectively; and the left side plate and the right side plate are detachably connected with the bottom plate. The left side plate, the top cover and the right side plate are fixedly connected as a whole to form an integral top cover in the shape of a "∩" character. The top cover is made of a polymer material with high strength to ensure light weight of the instrument.

[0011] Further, the front plate and the back plate are each provided with a limiting convex edge around. The limiting convex edge facilitates positioning during installation and can shield dust to some extent, avoiding dust from entering the shell interior through the gap between the two plates to affect the measurement accuracy of the light path components, and also can shield light from entering through the gap.

[0012] Further, the back plate is provided with a jack for inserting a data connector. The back plate is provided with a jack for mounting a DB15 data connector, and is provided with at least four counterbores for being stably mounted with the shell top cover and the bottom plate by counterborescrews. Similarly, the front plate is also provided with at least four counterbores for being stably mounted with the shell top cover and the bottom plate by counterborescrews.

[0013] Further, a plurality of raised reinforcing ribs are arranged on the inner side of the shell; a plurality of limiting grooves are arranged on the outer side of the light-shielding inner shell, and the reinforcing ribs are clamped in the limiting grooves. As a preferred embodiment, the reinforcing ribs are arranged on the upper cover and are in the shape of a "∩", and at least three reinforcing ribs are arranged at the two ends and the middle of the upper cover; the limiting grooves are arranged on the outer side of the light-shielding inner shell, and the reinforcing ribs are directly clamped in the limiting grooves to realize the installation and fixation of the light-shielding inner shell; the reinforcing ribs can improve the structural strength of the upper cover and realize the installation and fixation of the light-shielding inner shell. As a preferred embodiment, the reinforcing ribs are connected with the limiting grooves in an interference fit.

[0014] Further, a first observation window is arranged on the top of the shell, and a second observation window corresponding to the position of the observation window is arranged on the top of the light-shielding inner shell. The first observation window and the second observation window are communicated and used for the observation of the bubble level. As a preferred embodiment, transparent glass can be arranged at the first observation window to shield dust and realize observation.

[0015] Further, a plurality of threaded holes are arranged on the bottom plate; a plurality of installation through holes are arranged on the bottom plate, and a plurality of supporting legs are arranged, and one end of each of the supporting legs is correspondingly arranged in the installation through hole and is bonded with the bottom plate. The bottom plate is provided with a plurality of screw holes for stable installation with an internal optical path structure, and the periphery is also provided with screw holes for stable installation with the upper cover, the front plate and the rear plate of the shell. The supporting legs are arranged in the installation through holes and are fixedly connected with the bottom plate through adhesive; the internal optical path structure is directly fixed on the supporting legs to improve the stability of the optical path structure.

[0016] Further, a threaded hole is arranged at the bottom of the supporting leg. The threaded hole arranged at the bottom of the supporting leg can be used for fixing the supporting leg on a table top, so that the light path measurement accuracy is not affected by shaking during an experiment.

[0017] Further, the light-shielding inner shell is integrally formed by EVA foam and is black; and the supporting leg is made of marble. The light-shielding inner shell is manufactured by cutting a whole piece of EVA foam through CNC, and the whole is black and does not reflect light. The structure of the light-shielding inner shell is designed according to the internal optical path structure to ensure the optical path and block stray light as much as possible to reduce the influence of stray light on the measurement result.

[0018] Compared with the prior art, the self-collimation instrument packaging device has the following beneficial effects:

[0019] The self-collimation instrument packaging device has the advantages of simple and stable structure, can effectively block the influence of stray light, improve the measurement accuracy, and improve the anti-interference ability of the instrument during high-precision measurement. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure schematic view of a self-collimation instrument packaging device.

[0021] Figure 2 It is an internal structure schematic view of a self-collimator packaging device;

[0022] Figure 3 It is an upper cover structure schematic view of a light-shielding inner shell structure of a self-collimator packaging device;

[0023] Figure 4 It is an upper cover structure schematic view of a self-collimator packaging device.

[0024] In the drawings: 1, shell; 2, foot; 3, light-shielding inner shell; 4, first light outlet hole; 5, second light outlet hole; 6, reinforcing rib; 7, limiting groove; 8, first observation window; 9, second observation window; 10, insertion hole; 11, limiting convex edge. DETAILED DESCRIPTION

[0025] The utility model will be further described in connection with specific embodiments. Among them, the drawings are only used for example description, and the representation is only a schematic diagram, and cannot be understood as the limitation of the patent; in order to better illustrate the embodiment of the utility model, some components of the drawings will be omitted, enlarged or reduced, and the size of the actual product is not represented; for those skilled in the art, it is understandable that some well-known structures in the drawings and their description can be omitted.

[0026] The same or similar reference numerals in the drawings of the embodiments of the utility model correspond to the same or similar components; in the description of the utility model, it is understood that if the orientation or position relationship indicated by the terms "upper", "lower", "left", "right" etc. is based on the orientation or position relationship shown in the drawings, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore the positional relationship description in the drawings is only used for example description, and cannot be understood as the limitation of the patent, for the ordinary skilled in the art, the specific meaning of the above terms can be understood according to the specific situation.

[0027] Embodiment one

[0028] The embodiment is a first embodiment of a self-collimator packaging device, which comprises a shell 1, a foot 2 and a light-shielding inner shell 3; the foot 2 is arranged at the bottom of the shell 1; the shell 1 is internally provided with a containing cavity, and the light-shielding inner shell 3 is provided with a containing groove for placing a light path structure; the light-shielding inner shell 3 is arranged in the containing cavity and detachably connected with the shell 1; one side of the shell 1 is provided with a first light outlet hole 4, and one side of the light-shielding inner shell 3 located at the first light outlet hole 4 is provided with a second light outlet hole 5 corresponding to the position of the first light outlet hole 4.

[0029] In the embodiment, the shell 1 comprises a bottom plate, a front plate, a back plate, a left side plate, a right side plate and a top cover; the front plate, the left side plate, the back plate and the right side plate are sequentially arranged around the bottom plate, and the top cover is connected with the front plate, the left side plate, the back plate and the right side plate around; the first light outlet 4 is arranged on the front plate. The shell 1 is designed as a square structure, and the light shielding inner shell 3 can be designed as a structure with three sides provided with shielding plates, one side corresponding to the bottom plate is designed as a side without shielding plates, and one side corresponding to the back plate can also be designed as a side without shielding plates. On one hand, the bottom side without shielding plates is convenient for installation and fixation of the light path structure; on the other hand, the bottom side and the back side do not have light paths in use, and thus do not need to be shielded, which can save materials and is convenient for placing the light path structure in the accommodating groove of the light shielding inner shell 3.

[0030] In the embodiment, the opposite sides of the top cover are fixedly connected with the left side plate and the right side plate respectively; the front plate and the back plate are detachably connected with the bottom plate, the left side plate, the right side plate and the top cover respectively; and the left side plate and the right side plate are detachably connected with the bottom plate. The left side plate, the top cover and the right side plate are fixedly connected as a whole to form an integrated top cover in a shape of a “∩” character, and both sides of the top cover are provided with counterbores for installation and fixation of the front plate, the back plate or the bottom plate. In order to ensure the light weight of the instrument, the top cover is made of a polymer material with high strength.

[0031] In the embodiment, the back plate is provided with a jack 10 for inserting a data connector. The jack 10 is arranged on the back plate for installation of a DB15 data connector, and at least four counterbores are arranged on the back plate for stable installation of the top cover and the bottom plate of the shell by means of counterborescrews. Similarly, the front plate is also provided with at least four counterbores for stable installation of the top cover and the bottom plate of the shell by means of counterborescrews.

[0032] In the embodiment, a plurality of protruding reinforcing ribs 6 are arranged on the inner side of the shell 1; a plurality of limiting grooves 7 are arranged on the outer side of the light shielding inner shell 3, and the reinforcing ribs 6 are clamped in the limiting grooves 7. As a preferred embodiment, the reinforcing ribs 6 are arranged on the top cover and also have a shape of a “∩” character, and at least three reinforcing ribs 6 are arranged at positions of both ends and the middle of the top cover; the limiting grooves 7 are arranged on the outer side of the light shielding inner shell 3, and the reinforcing ribs 6 are directly clamped in the limiting grooves 7 to realize installation and fixation of the light shielding inner shell 3. The reinforcing ribs 6 can improve the structural strength of the top cover and also realize installation and fixation of the light shielding inner shell 3. As a preferred embodiment, the reinforcing ribs 6 are connected with the limiting grooves 7 in an interference fit.

[0033] In the embodiment, the top of the shell 1 is provided with a first observation window 8, and the top of the light shielding inner shell 3 is provided with a second observation window 9 corresponding to the position of the observation window. The first observation window 8 and the second observation window 9 are communicated for observation of the bubble level. As a preferred embodiment, transparent glass can be arranged at the first observation window 8 for shielding dust and also realizing observation. An inner thread structure is arranged at the first light outlet 4 to facilitate installation of a window mirror and ensure the sealing performance of the whole instrument.

[0034] In the embodiment, a plurality of threaded holes are formed in the bottom plate; a plurality of mounting through holes are formed in the bottom plate, and the plurality of supporting legs 2 are provided, one end of each of the plurality of supporting legs 2 is correspondingly arranged in the mounting through hole and is bonded to the bottom plate. The bottom plate is provided with a plurality of screw holes for stable mounting with the internal optical path structure, and screw holes are also provided around the bottom plate for stable mounting with the upper cover, the front plate and the back plate of the shell. The plurality of supporting legs 2 are arranged in the mounting through hole and are fixedly connected to the bottom plate by adhesive; the internal optical path structure is directly fixed on the supporting leg 2, thereby improving the stability of the optical path structure.

[0035] In the embodiment, the light-shielding inner shell 3 is integrally formed by EVA foam and is black; the supporting leg 2 is made of marble. The light-shielding inner shell 3 is manufactured by CNC cutting of a whole piece of EVA foam and is entirely black and non-reflective. The structure of the accommodating groove is designed according to the internal optical path structure, so as to ensure the optical path and block the stray light as much as possible, thereby reducing the influence of the stray light on the measurement result.

[0036] The self-collimation instrument packaging device of the utility model, when in use, the optical path structure is placed in the accommodating groove of the light-shielding inner shell 3, the specific shape of the accommodating groove can be designed according to the shape structure of the optical path structure, the light-shielding inner shell 3 is used to shield and inhibit the stray light, the optical path can only pass through the first light outlet 4 and the second light outlet 5 to enter or exit the shell 1, and the influence of the remaining stray light is effectively avoided; the shell 1 is further arranged outside the light-shielding inner shell 3, the shell 1 can protect and shield dust, and can effectively avoid the knocking of the optical path element during the test, so that the optical path is not changed and the precision is affected. The whole optical path structure can be packaged in the packaging device provided by the utility model, and is convenient to save and transport. The structure is simple and stable, the influence of the stray light can be effectively blocked, the measurement precision is improved, and the anti-interference ability of the instrument during high-precision measurement is improved.

[0037] In actual use, first, the internal optical path structure has been installed and debugged, the supporting leg 2 is installed at the bottom of the optical path structure and is fixed by ultraviolet glue. Then, the bottom plate is installed and fixed with the optical path structure by corresponding installation, the front plate is installed and fixed with the bottom plate by corresponding hole positions, and then the back plate is installed and fixed with the bottom plate by corresponding hole positions. Finally, the upper cover is clamped into the front plate and the back plate from top to bottom until complete lamination, and then all the screw holes are fastened by screws. After installation is completed, the overall structure is as shown in Figure 1

[0038] Embodiment two

[0039] ​The second embodiment of the self-collimator packaging device is similar to the first embodiment, and the difference is that the front plate and the back plate are provided with limiting convex edges 11 around the periphery.

[0040] During installation, the front plate and the back plate are first installed and fixed with the bottom plate, then the upper cover is inserted between the front plate and the back plate along the limiting convex edge 11 until it is completely attached, and is fixed with bolts to complete the installation of the upper cover.

[0041] Embodiment three

[0042] The second embodiment of the self-collimator packaging device is similar to the first embodiment, and the difference is that the bottom of the supporting leg 2 is provided with a threaded hole. The threaded hole at the bottom of the supporting leg 2 facilitates the fixation of the supporting leg 2 on the table top, avoiding the shaking during the test process and affecting the light path measurement accuracy.

[0043] In the specific content of the above specific embodiments, each technical feature can be combined arbitrarily without contradiction, and in order to make the description concise, not all possible combinations of the above technical features are described, but as long as the combination of these technical features does not exist contradiction, it should be considered as the scope of the present application.

[0044] Obviously, the above embodiments of the present application are only examples for clearly illustrating the present application, and are not a limitation on the embodiments of the present application. For ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to enumerate all the embodiments. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. A self-collimator package device, characterized by, It includes a shell (1), a support leg (2) and a light shielding inner shell (3); the support leg (2) is arranged at the bottom of the shell (1); the shell (1) is internally provided with a containing cavity, and the light shielding inner shell (3) is provided with a containing groove for placing a light path structure; the light shielding inner shell (3) is arranged in the containing cavity and is detachably connected with the shell (1); one side of the shell (1) is provided with a first light outlet hole (4), and one side of the light shielding inner shell (3) located at the first light outlet hole (4) is provided with a second light outlet hole (5) corresponding to the position of the first light outlet hole (4).

2. The autocollimator package of claim 1, wherein, The shell (1) comprises a bottom plate, a front plate, a back plate, a left side plate, a right side plate and a top cover; the front plate, the left side plate, the back plate and the right side plate are sequentially arranged around the bottom plate, and the top cover is connected with the front plate, the left side plate, the back plate and the right side plate around; the first light outlet hole (4) is arranged on the front plate.

3. The autocollimator package of claim 2, wherein, Opposite sides of the top cover are fixedly connected with the left side plate and the right side plate respectively; the front plate and the back plate are detachably connected with the bottom plate, the left side plate, the right side plate and the top cover respectively; the left side plate and the right side plate are detachably connected with the bottom plate.

4. The collimator package of claim 2, wherein, Limiting convex edges (11) are arranged around the front plate and the back plate.

5. The collimator package of claim 2, wherein, The back plate is provided with a jack (10) for inserting a data connector.

6. The collimator package of claim 1, wherein, A plurality of protruding reinforcing ribs (6) are arranged on the inner side of the shell (1); a plurality of limiting grooves (7) are arranged on the outer side of the light shielding inner shell (3), and the reinforcing ribs (6) are clamped in the limiting grooves (7).

7. The collimator package of claim 1, wherein, A first observation window (8) is arranged on the top of the shell (1), and a second observation window (9) corresponding to the position of the observation window is arranged on the top of the light shielding inner shell (3).

8. The collimator package of any of claims 2 to 5, wherein, A plurality of threaded holes are arranged on the bottom plate; a plurality of mounting through holes are arranged on the bottom plate, a plurality of support legs (2) are arranged, one end of each of the plurality of support legs (2) is correspondingly arranged in the mounting through hole and is bonded to the bottom plate.

9. The collimator package of any of claims 1 to 7, wherein, A threaded hole is arranged at the bottom of the support leg (2).

10. The autocollimator package of claim 9, wherein, The light shielding inner shell (3) is integrally formed by EVA foam and is black; the support leg (2) is made of marble.

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