CN212871678U

CN212871678U - Lens stress detector

Info

Publication number: CN212871678U
Application number: CN202021596677.3U
Authority: CN
Inventors: 黄理贞; 杨帅民; 王冠
Original assignee: XIAMEN SONGYAO OPTICS CO Ltd
Current assignee: XIAMEN SONGYAO OPTICS CO Ltd
Priority date: 2020-08-04
Filing date: 2020-08-04
Publication date: 2021-04-02
Anticipated expiration: 2030-08-04

Abstract

The utility model discloses a lens stress detector, which belongs to the technical field of glasses detection and comprises a lamp box, a polarizing lens, a polarization detecting lens and an observation mirror, wherein the lamp box is enclosed by a bottom plate, a front vertical plate, a sliding plate and three side plates, the height of the front vertical plate is lower than that of the three side plates, the polarizing lens is placed on the sliding plate, a bracket is fixedly connected on the sliding plate, the other end of the bracket is connected with the observation mirror and the polarization detecting lens, a pair of fixed rods is arranged between the sliding plate and the bottom plate, one end of each fixed rod is fixedly connected on the bottom plate, the other end of each fixed rod passes through the sliding plate and is in sliding connection with the sliding plate, one side of the sliding plate, which is far away from the polarizing lens, is provided with a driving device, a plurality of gear buttons and reset buttons which are connected with a driving device are arranged on the side wall of the front vertical plate, when the gear buttons, the utility model has the advantages of easy and simple to handle and height-adjusting is accurate.

Description

Lens stress detector

Technical Field

The utility model relates to a glasses detect technical field, specifically are a lens stress detector.

Background

The stress detector can detect the birefringence of transparent and weak materials, accurately calculates the value of the birefringence with the optical path error not more than 10nm by a Senarmont compensation method, and detects and analyzes the distribution of the birefringence by polarized light, and the distribution and the size of the refractive index directly reflect the distribution and the size of the stress of the materials, so the stress detection is usually carried out by using the detector for the lens.

The lens stress detector generally needs a user to frequently observe the lens in the use process, the height of the existing lens stress detector cannot be adjusted, and different users are inconsistent in height, so that muscle fatigue is easily caused due to improper posture in the observation process, and the body health and the observation effect of the user are influenced.

Therefore, a person skilled in the relevant art improves this, for example, chinese patent publication No. CN210603831U discloses "a spectacle stress detector convenient for height adjustment", which includes a base, a lamp box, a polarizing lens, a support, a polarization detecting lens and a viewing mirror, wherein the lamp box is located on the base, the polarizing lens is arranged on the lamp box, a light source is arranged in the lamp box, the support is fixed on the lamp box, the polarization detecting lens and the viewing mirror are arranged on the support, the base is connected with the lamp box through a sliding rod and a screw rod, the screw rod is connected with the lamp box through a thread, a motor is arranged on the base, the motor is connected with the screw rod, the motor is connected with a controller, the controller is located in the lamp box, the controller is further connected with a height button and a distance measuring radar, the height button is arranged on the lamp box, the distance measuring radar is arranged on the front of the, although the utility model can automatically adjust the height, the utility model can satisfy the characteristic that the user keeps a comfortable posture when observing.

But technical scheme in this application file still exists not enoughly, like this utility model is detecting through range radar is automatic and realizing height control, but this kind of regulative mode has certain error, and need combine the altitude button to carry out manual regulation, and the operation is comparatively complicated.

Based on this, the utility model designs a lens stress detector to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lens stress detector to solve above-mentioned technical problem.

In order to achieve the above object, the utility model provides a following technical scheme: a lens stress detector comprises a lamp box, a polarizing lens, a polarization detection lens and an observation mirror, wherein the lamp box is formed by enclosing a bottom plate, a front vertical plate, a sliding plate and three side plates, the height of the front vertical plate is lower than that of the three side plates, the polarizing lens is placed on the sliding plate, a bracket is fixedly connected onto the sliding plate, the other end of the bracket is connected with the observation mirror and the polarization detection lens, a pair of fixing rods is arranged between the sliding plate and the bottom plate, one end of each fixing rod is fixedly connected onto the bottom plate, the other end of each fixing rod penetrates through the sliding plate and is in sliding connection with the sliding plate, a driving device is arranged on one side, away from the polarizing lens, of the sliding plate, a plurality of gear buttons and reset buttons are arranged on the side wall of the front vertical plate, and when the gear buttons are pressed, the sliding plate slides vertically upwards under the driving of, when the sliding plate slides to the highest position, the height of the sliding plate is lower than the height of the three side plates.

Preferably, drive arrangement rotates the connecting axle of being connected including setting up in the connecting block of slide plate bottom and with the connecting block, the other end of connecting axle rotates and is connected with the actuating lever, the other end of actuating lever rotates and is connected with the gear, gear engagement is connected with the rack, the rack is driven by the cylinder.

Preferably, one side of the sliding plate, which is close to the bottom plate, is provided with a guide sleeve through which the fixing rod can pass.

Preferably, the fixing rod is provided with a plurality of scale marks, and the scale marks correspond to the gear buttons one to one.

Preferably, two ends of the fixing rod are respectively provided with a limiting block.

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

the utility model comprises a lamp box, a polarizing lens, a polarization detecting lens and a viewing mirror, wherein the lamp box is enclosed by a bottom plate, a front vertical plate, a sliding plate and three side plates, the height of the front vertical plate is lower than that of the three side plates, the polarizing lens is arranged on the sliding plate, a bracket is fixedly connected on the sliding plate, the other end of the bracket is connected with the viewing mirror and the polarization detecting lens, a pair of fixed rods is arranged between the sliding plate and the bottom plate, one end of each fixed rod is fixedly connected on the bottom plate, the other end of each fixed rod passes through the sliding plate and is in sliding connection with the sliding plate, one side of the sliding plate, which is far away from the polarizing lens, is provided with a driving device, a plurality of gear buttons and reset buttons which are connected with the driving device are arranged on the side wall of the front vertical plate, when the gear buttons are pressed, the sliding plate slides upwards in the driving, the height of the sliding plate is lower than the height of the three side plates.

The utility model discloses when using, at first select with user's height assorted gear button, and press, at this moment drive arrangement begins the drive and drives the slide plate and upwards carry out the sliding motion along vertical, highly reach suitable height until the sight glass, the person of facilitating the use carries out stress detection under comfortable posture, after finishing using, through pressing the reset button, make drive arrangement reset to initial condition, so that next operator uses, and is easy and simple to handle, highly the carrying out accurate regulation of detector through the quantization.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of the present embodiment;

FIG. 2 is a sectional view showing the inner structure of the light box in this embodiment;

FIG. 3 is a sectional view of the salient driving device of this embodiment.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a light box; 11. a base plate; 12. a front vertical plate; 13. a slide plate; 14. a side plate; 2. analyzing the polarization lens; 3. polarizing lenses; 4. an observation mirror; 5. a support; 6. fixing the rod; 7. a drive device; 71. connecting blocks; 72. a connecting shaft; 73. a drive rod; 74. a gear; 75. a rack; 76. a cylinder; 8. a gear button; 9. a reset button; 10. a guide sleeve; 15. scale lines; 16. a limiting block; 17. a rotating shaft; 18. a T-shaped block.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a lens stress detector comprises a lamp box 1, a polarizing lens 3, a polarization detecting lens 2 and an observation mirror 4, wherein the lamp box 1 is formed by enclosing a bottom plate 11, a front vertical plate 12, a sliding plate 13 and three side plates 14, the height of the front vertical plate 12 is lower than that of the three side plates 14, the polarizing lens 3 is placed on the sliding plate 13, a support 5 is fixedly connected onto the sliding plate 13, the other end of the support 5 is connected with the observation mirror 4 and the polarization detecting lens 2, a pair of fixing rods 6 are arranged between the sliding plate 13 and the bottom plate 11, one end of each fixing rod 6 is fixedly connected onto the bottom plate 11, the other end of each fixing rod penetrates through the sliding plate 13 and is in sliding connection with the sliding plate 13, a driving device 7 is arranged on one side of the sliding plate 13 far away from the polarizing lens 3, a plurality of gear buttons 8 and reset buttons 9 connected with the driving device 7 are arranged on the side wall of the front vertical plate 12, when the gear buttons 8 are pressed, the, when the sliding plate 13 slides to the highest position, the height of the sliding plate 13 is lower than the height of the three side plates 14.

As shown in fig. 1, the fixing rod 6 is provided with a plurality of scale marks 15, the scale marks 15 correspond to the gear buttons 8 one by one, and the scale marks 15 can be visually judged by a user conveniently, and the user can select a height suitable for the user to observe, so that the height adjustment is quantized, and the adjustment precision is improved.

As shown in fig. 2 and 3, the driving device 7 includes a connecting block 71 disposed at the bottom end of the sliding plate 13 and a connecting shaft 72 rotatably connected to the connecting block 71, the other end of the connecting shaft 72 is rotatably connected to a driving rod 73, the other end of the driving rod 73 is rotatably connected to a gear 74 through a rotating shaft 17, the rotating shaft 17 is fixedly connected to the bottom plate 11 through a T-shaped block 18, the gear 74 is engaged with a rack 75, the rack 75 is driven by a cylinder 76, when the cylinder 76 is driven, the rack 75 is driven by the cylinder 76 to perform a reciprocating motion in the horizontal direction, the rack 75 drives the gear 74 to rotate, the gear 74 drives the driving rod 73 and the connecting shaft 72 to rotate, thereby driving the sliding plate 13 and the observation mirror 4 to perform a motion in the vertical direction.

As shown in fig. 2 and 3, a guide sleeve 10 through which the fixing rod 6 can pass is arranged on one side of the sliding plate 13 close to the bottom plate 11, and by arranging the guide sleeve 10, the sliding plate 13 can play a role in guiding and orienting in the sliding process, so that the sliding plate 13 is prevented from being inclined at an angle in the sliding process.

As shown in fig. 2 and 3, the two ends of the fixing rod 6 are respectively provided with a limiting block 16, and the limiting block 16 can limit the sliding distance of the sliding plate 13 and prevent the sliding plate 13 from exceeding the stroke in the sliding process.

One specific application of this embodiment is:

when the utility model is used, the gear button 8 matched with the height of a user is selected through the scale mark 15 on the fixed rod 6 and pressed, at this time, the cylinder 76 is started, the rack 75 is driven to slide in the direction far away from the cylinder 76, the rack 75 drives the gear 74 to rotate, the gear 74 drives the driving rod 73 and the connecting shaft 72 to rotate, thereby driving the sliding plate 13 and the observation mirror 4 to move vertically and upwards, the cylinder 76 stops driving until the height of the observation mirror 4 reaches a proper height, at this time, the user can carry out stress detection in a comfortable posture, after the use is finished, the cylinder 76 is driven by pressing the reset button 9, the rack 75 is driven to slide in the direction near the cylinder 76, the sliding plate 13 is driven to move vertically and downwards by the driving rod 73 and the connecting shaft 72 until the initial position is reset, so that next operator uses, wherein the guide sleeve 10 on the sliding plate 13 can play guide and directional effect at the in-process that slides of sliding plate 13, and the stopper 16 at dead lever 6 both ends also can play the limiting action to the distance of sliding plate 13, and whole process is easy and simple to handle, can make the height of detector carry out accurate regulation through the quantization.

In summary, the height of the measuring instrument can be adjusted by a simple operation by the structure that the driving device 7 drives the sliding plate 13, and the measuring instrument has the functions of simple operation and accurate height adjustment.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lens stress detector, includes lamp house (1), polarizing lens (3), polarization-detecting lens (2) and sight glass (4), its characterized in that: the light box (1) is formed by enclosing a bottom plate (11), a front vertical plate (12), a sliding plate (13) and three side plates (14), a polarizing lens (3) is placed on the sliding plate (13), a support (5) is fixedly connected to the sliding plate (13), the other end of the support (5) is connected with an observation mirror (4) and a polarization detection lens (2), a pair of fixing rods (6) are arranged between the sliding plate (13) and the bottom plate (11), one end of each fixing rod (6) is fixedly connected to the bottom plate (11), the other end of each fixing rod penetrates through the sliding plate (13) and is in sliding connection with the sliding plate (13), a driving device (7) is arranged on one side, far away from the polarizing lens (3), of the sliding plate (13), a plurality of gear buttons (8) connected with the driving device (7) and a reset button (9) are arranged on the side wall of the front vertical plate (12), when the gear button (8) is pressed down, the sliding plate (13) is driven by the driving device (7) to perform sliding movement along the vertical direction, and when the sliding plate (13) slides to the highest position, the height of the sliding plate (13) is lower than the height of the three side plates (14).

2. The lens stress tester of claim 1, wherein: drive arrangement (7) are including setting up in connecting block (71) of slide plate (13) bottom and rotating connecting axle (72) of being connected with connecting block (71), the other end of connecting axle (72) rotates and is connected with actuating lever (73), the other end of actuating lever (73) rotates and is connected with gear (74), gear (74) meshing is connected with rack (75), rack (75) are driven by cylinder (76).

3. The lens stress tester of claim 1, wherein: one side of the sliding plate (13) close to the bottom plate (11) is provided with a guide sleeve (10) through which the fixing rod (6) can pass.

4. The lens stress tester of claim 1, wherein: the fixed rod (6) is provided with a plurality of scale marks (15).

5. The lens stress tester of claim 1, wherein: and two ends of the fixed rod (6) are respectively provided with a limiting block (16).