Wear-resistant optical prism structure

Abstract

The utility model discloses a wear-resistant optical prism structure, which comprises an optical prism body, one end of the optical prism body is fixedly connected with an end cover, the outer surface of the other end of the optical prism body is sleeved with a sponge sleeve, the outer surface of the sponge sleeve is fixedly sleeved with a protective shell, and the bottom of the protective shell is fixedly connected with a shell. According to the utility model, through the arrangement of the end cover, the sponge sleeve, the protection shell, the shell, the screw moving assembly, the tension spring telescopic knob and the limiting assembly, the protection mechanism and the optical prism body are integrally designed, so that a protection box does not need to be found for storage and transportation during secondary transportation or subsequent transportation, the optical prism is more convenient to use, and in the transportation process, the transportation efficiency is improved. The optical prism body can be protected and prevented from being scratched, when the optical prism is used, related personnel can hold the protective shell by hand to operate, and grease and dirt on fingers are prevented from possibly polluting or scratching the surface of the prism.

Description

Technical Field

[0001] The utility model relates to the technical field of optical prisms, in particular to a wear-resistant optical prism structure. Background Art

[0002] ‌An optical prism is a transparent object surrounded by planes that intersect pairwise but are not parallel to each other, mainly used for splitting light or dispersing light beams‌. It is usually made of transparent materials such as glass and crystal and has a polyhedral structure. Optical prisms are widely used in optical instruments. Common types include equilateral triangular prisms and right-angled prisms, etc.‌

[0003] Currently, in optical experiments, optical prisms are also used, such as: dispersion experiments, etc.

[0004] When the existing optical prisms are transported, a protective film is adhered to their adhesion surfaces to avoid scratches during transportation and increase their wear resistance. However, when the optical prisms are in use, the protective film is generally torn off and operated by relevant personnel holding it by hand, and the hand directly contacts the optical prism. At this time, the surface of the optical prism lacks protection, and the grease and dirt on the fingers may contaminate or scratch the prism surface. Moreover, when transporting again, it is necessary to find a corresponding protective box for storage and transportation, which is rather troublesome. Therefore, a wear-resistant optical prism structure is proposed. Summary of the Utility Model

[0005] The utility model is proposed to solve the shortcomings existing in the prior art, and provides a wear-resistant optical prism structure.

[0006] To achieve the above purpose, the utility model adopts the following technical scheme: a wear-resistant optical prism structure, including an optical prism body, one end of the optical prism body is fixedly connected with an end cap, the outer surface of the other end of the optical prism body is sleeved with a sponge sleeve, the outer surface of the sponge sleeve is fixedly sleeved with a protective shell, and the bottom of the protective shell is fixedly connected with a housing;

[0007] A screw rod moving assembly is jointly installed between the housing and the optical prism body;

[0008] One end of the screw rod moving assembly is installed with a tension spring telescopic knob, and a limiting assembly is jointly installed between the tension spring telescopic knob and the housing.

[0009] Further, the screw rod moving assembly includes a screw rod, and the screw rod penetrates through the housing and is rotatably connected thereto. The outer surface of the screw rod is threadedly sleeved with a slider. The top of the slider is fixedly connected with a connecting plate, and the connecting plate is fixedly connected with the optical prism body. The cooperation between the screw rod and the slider can drive the connecting plate to move.

[0010] Furthermore, a travel hole penetrating into the interior of the housing is formed in the inner bottom of the sponge sleeve, and the inner walls on both sides of the travel hole are in sliding fit connection with the outer walls on both sides of the slider. The travel hole has a limiting effect on the slider.

[0011] Furthermore, the rotating connection between the screw rod and the housing is connected by a bearing. The inner ring of the bearing is fixedly connected to the screw rod, and the outer ring of the bearing is fixedly connected to the housing, reducing the rotational resistance of the screw rod.

[0012] Furthermore, the tension spring telescopic knob includes a mounting plate, and the mounting plate is fixedly connected to the screw rod. A spline shaft is fixedly connected to one side of the outer surface of the mounting plate, and a knob body is slidably sleeved on the outer surface of the spline shaft. When the knob body rotates, the mounting plate can be driven to rotate through the spline shaft.

[0013] Furthermore, a tension spring body is fixedly connected between the knob body and the mounting plate. The setting of the tension spring body enables the knob body to always be in its original position without external force.

[0014] Furthermore, the limiting component includes a limiting hole, and the limiting hole is formed in one side of the outer surface of the housing. A limiting rod is arranged inside the limiting hole, and the limiting rod is fixedly connected to the knob body. When the limiting rod is located inside the limiting hole, the knob body can be prevented from rotating.

[0015] The beneficial effects of the present utility model:

[0016] When the present utility model is in use, for a wear-resistant optical prism structure, through the provided end cap, sponge sleeve, protective shell, housing, screw rod moving component, tension spring telescopic knob and limiting component, the protection mechanism and the optical prism body are integrally designed. During secondary transportation or subsequent transportation, there is no need to find a protective box for storage and transportation, making it more convenient to use. And during transportation, the optical prism body can be protected to avoid scratches. When in use, relevant personnel can hold the protective shell for operation, avoiding the grease and dirt on the fingers from possibly contaminating or scratching the prism surface, thereby effectively reducing the wear of the optical prism during use or transportation and prolonging its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the present utility model, the drawings required for use in the following description of the specific embodiments will be briefly introduced. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0018] Figure 1 : The three-dimensional view of the present utility model;

[0019] Figure 2 : Cross-sectional view of the present utility model;

[0020] Figure 3 : The Figure 2 enlarged view of part A in the present utility model;

[0021] Figure 4 : The Figure 2 enlarged view of part B in the present utility model.

[0022] The reference numerals are as follows:

[0023] 1. Optical prism body; 2. End cover; 3. Protective shell; 4. Housing; 5. Screw; 6. Sponge sleeve; 7. Connecting plate; 8. Limiting rod; 9. Spring body; 10. Spline shaft; 11. Mounting plate; 12. Knob body; 13. Stroke hole; 14. Limiting hole; 15. Slide block. Specific embodiments

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

[0025] As Figures 1 to 4 shown, it relates to a wear-resistant optical prism structure, including an optical prism body 1. One end of the optical prism body 1 is fixedly connected with an end cover 2. The outer surface of the other end of the optical prism body 1 is sleeved with a sponge sleeve 6. The outer surface of the sponge sleeve 6 is fixedly sleeved with a protective shell 3. The bottom of the protective shell 3 is fixedly connected with a housing 4. The sponge sleeve 6 has a protective effect on the outer surface of the optical prism body 1.

[0026] A screw moving assembly is jointly installed between the housing 4 and the optical prism body 1. The screw moving assembly includes a screw 5, and the screw 5 penetrates through the housing 4 and is rotatably connected thereto. The connection between the screw 5 and the housing 4 is made by a bearing. The inner ring of the bearing is fixedly connected with the screw 5, and the outer ring of the bearing is fixedly connected with the housing 4. The setting of the bearing not only reduces the rotation resistance of the screw 5 but also facilitates the installation of the screw 5. The outer surface of the screw 5 is threadedly sleeved with a slide block 15. The top of the slide block 15 is fixedly connected with a connecting plate 7, and the connecting plate 7 is fixedly connected with the optical prism body 1. The inner bottom of the sponge sleeve 6 is provided with a stroke hole 13 that penetrates into the interior of the housing 4. The inner walls on both sides of the stroke hole 13 are in sliding fit with the outer walls on both sides of the slide block 15. The stroke hole 13 has a limiting effect on the slide block 15.

[0027] A tension spring telescopic knob is installed at one end of the screw moving assembly. A limiting assembly is jointly installed between the tension spring telescopic knob and the housing 4. The tension spring telescopic knob includes a mounting plate 11, and the mounting plate 11 is fixedly connected to the screw 5. One side of the outer surface of the mounting plate 11 is fixedly connected with a spline shaft 10. A knob body 12 is slidably sleeved on the outer surface of the spline shaft 10. A tension spring body 9 is jointly fixedly connected between the knob body 12 and the mounting plate 11. In the absence of external force, the knob body 12 always remains in place under the action of the tension spring body 9. The limiting assembly includes a limiting hole 14, and the limiting hole 14 is opened on one side of the outer surface of the housing 4. A limiting rod 8 is arranged inside the limiting hole 14, and the limiting rod 8 is fixedly connected to the knob body 12. The cooperation between the limiting rod 8 and the limiting hole 14 can prevent the knob body 12 from rotating due to vibration, accidental touch, etc.

[0028] Working principle: When in use, pull the knob body 12, and the knob body 12 drives the limiting rod 8 to move until it disengages from the limiting hole 14. Then rotate the knob body 12. The knob body 12 drives the mounting plate 11 to rotate through the spline shaft 10. The mounting plate 11 drives the screw 5 to rotate. The screw 5 drives the slider 15 to move along the travel hole 13. The slider 15 drives the optical prism body 1 to move through the connecting plate 7. The optical prism body 1 drives the end cover 2 to move until the slider 15 abuts against the inner wall of one end of the travel hole 13. Then release the knob body 12. The knob body 12 resets under the action of the tension spring body 9. The knob body 12 drives the limiting rod 8 to reset. The limiting rod 8 enters the limiting hole 14. Then the relevant personnel can hold the protective shell 3 and operate the optical prism body 1.

[0029] The above-disclosed preferred embodiments of the present invention are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the present invention to only the specific implementation manners. Obviously, many modifications and changes can be made according to the content of this specification. These embodiments are selected and specifically described in this specification in order to better explain the principle and practical application of the present invention, so that those skilled in the relevant technical field can well understand and utilize the present invention. The present invention is only limited by the claims and their full scope and equivalents.

Claims

1. A wear-resistant optical prism structure, comprising an optical prism body (1), characterized in that: One end of the optical prism body (1) is fixedly connected with an end cover (2). A sponge sleeve (6) is sleeved on the outer surface of the other end of the optical prism body (1). A protective shell (3) is fixedly sleeved on the outer surface of the sponge sleeve (6). The bottom of the protective shell (3) is fixedly connected with a housing (4). A screw rod moving assembly is jointly installed between the housing (4) and the optical prism body (1). One end of the screw rod moving assembly is provided with a tension spring telescopic knob. A limiting assembly is jointly installed between the tension spring telescopic knob and the housing (4).

2. The abrasion-resistant optical prism structure according to claim 1, wherein: The screw rod moving assembly includes a screw rod (5). The screw rod (5) penetrates through the housing (4) and is rotatably connected thereto. A slider (15) is threadedly sleeved on the outer surface of the screw rod (5). The top of the slider (15) is fixedly connected with a connecting plate (7). The connecting plate (7) is fixedly connected with the optical prism body (1).

3. The wear-resistant optical prism structure according to claim 2, characterized in that: A travel hole (13) penetrating to the inside of the housing (4) is formed in the inner bottom of the sponge sleeve (6). The inner side walls of both sides of the travel hole (13) are in sliding fit with the outer side walls of both sides of the slider (15).

4. A wear-resistant optical prism structure according to claim 3, characterized in that: The connection between the screw rod (5) and the housing (4) at the rotation position is connected by a bearing. The inner ring of the bearing is fixedly connected with the screw rod (5), and the outer ring of the bearing is fixedly connected with the housing (4).

5. A wear-resistant optical prism structure according to claim 4, characterized in that: The tension spring telescopic knob includes a mounting plate (11). The mounting plate (11) is fixedly connected with the screw rod (5). A spline shaft (10) is fixedly connected to one side of the outer surface of the mounting plate (11). A knob body (12) is slidably sleeved on the outer surface of the spline shaft (10).

6. A wear-resistant optical prism structure according to claim 5, characterized in that: A tension spring body (9) is jointly fixedly connected between the knob body (12) and the mounting plate (11).

7. An abrasion-resistant optical prism structure according to claim 6, characterized in that: The limiting assembly includes a limiting hole (14). The limiting hole (14) is formed in one side of the outer surface of the housing (4). A limiting rod (8) is arranged inside the limiting hole (14). The limiting rod (8) is fixedly connected with the knob body (12).

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