CN211876959U

CN211876959U - Accurate measurement optical projector

Info

Publication number: CN211876959U
Application number: CN201820017974.4U
Authority: CN
Inventors: 肖朝; 陈锋
Original assignee: Chengdu University of Information Technology
Current assignee: Chengdu University of Information Technology
Priority date: 2018-01-05
Filing date: 2018-01-05
Publication date: 2020-11-06
Anticipated expiration: 2028-01-05

Abstract

The utility model discloses an accurate measurement optical projection appearance, including box and fourth telescopic link, the box lower extreme is fixed with the gyro wheel, protection casing inside edge installs micromatic setting, the protection casing upper end is fixed with the workstation, the folder rear side is fixed with the workspace, the projection screen is installed to the objective upper end, inside being fixed with first telescopic link and third telescopic link after to by preceding in proper order of micromatic setting, the fourth telescopic link is fixed on third telescopic link right side, fourth telescopic link, third telescopic link, second telescopic link and first telescopic link side surface all are provided with the connecting block. This precision measurement optical projection appearance, micromatic setting inside is fixed with four telescopic links, if need carry out the regulation of angle to the workstation, slightly draw the micromatic setting alright when not influencing the normal work of device, carry out angle and height's adjustment to the workstation, convenient to use hides dirt cover inner structure in a flexible way, and the sectional type is opened, has fine dustproof effect when convenient to use.

Description

Accurate measurement optical projector

Technical Field

The utility model relates to an optical projector technical field specifically is an accurate measurement optical projector.

Background

The optical projector is a precision measuring instrument integrating light, mechanical, electrical and arithmetic, is widely applied to metering rooms and workshops of factories and mines related to the mechanical manufacturing industry, the instrument and meter industry, the clock industry, the electronic industry and the like, and can efficiently detect the outlines and surface shapes of various workpieces with complicated shapes, such as: templates, stampings, cams, threads, gears, formed milling cutters, taps, and the like.

Inside workstation of most present optical projection appearance is not convenient for adjust to make the work of measuring go on that can not be fine, and it does not possess dustproof effect mostly, use a period after, need clean the instrument, but to less region, also hardly accomplish the problem of comparatively comprehensive cleaning work. Aiming at the problems, the optical projector is innovatively designed on the basis of the original optical projector.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an accurate measurement optical projector to the workstation to original most optical projector inside that proposes in solving above-mentioned background is not convenient for adjust, thereby makes the work of measurement fine going on, and it does not possess dustproof effect mostly, uses a period of back, needs clean the instrument, but to less region, also hardly accomplishes comparatively comprehensive cleaning work's problem.

In order to achieve the above object, the utility model provides a following technical scheme: an optical projector for accurate measurement comprises a box body and a fourth telescopic rod, wherein rollers are fixed at the lower end of the box body, an operation area is installed at the upper end of the box body, a protective cover is fixed at the upper end of the operation area, a fine adjustment device is installed at the edge of the inner portion of the protective cover, a Fresnel lens is fixed at the central position of the inner portion of the protective cover, a workbench is fixed at the upper end of the protective cover, a clamp is installed at the upper end of the workbench, a working area is fixed at the rear side of the clamp, an objective lens is arranged at the upper end of the working area, a projection screen is installed at the upper end of the objective lens, a light shield is fixed at the upper end of the projection screen, rotating shafts are arranged at the two side edges of the working area, the working area is connected with the dust shield through the rotating shafts, a first telescopic rod and a third telescopic rod are sequentially, and the inside bottom of fourth telescopic link, third telescopic link, second telescopic link and first telescopic link all is fixed with the fixing base, fourth telescopic link, third telescopic link, second telescopic link and first telescopic link side surface all are provided with the connecting block, and the fourth telescopic link passes through connecting block and fine-tuning pole and third telescopic link interconnect, stabilizing member is all installed to fourth telescopic link, third telescopic link, second telescopic link and first telescopic link upper end.

Preferably, the upper end edge of the shield is interconnected with the lower end edge of the table, and the lower end edge of the shield is interconnected with the upper end edge of the operating area.

Preferably, the fine-tuning device is of an integrated structure with the operation area through the fixing seat, the stabilizing piece is of a lifting structure formed by the first telescopic rod and the operation area, the stabilizing piece is of a conical structure, and meanwhile, the lower end edge of the stabilizing piece is connected with the upper end edge of the first telescopic rod in an inosculating mode.

Preferably, the dust cover forms a rotating mechanism with the working area through a rotating shaft, the rotating range of the mechanism is 0-180 degrees, and the lower end edge of the dust cover is matched and connected with the upper end edge of the operating area.

Preferably, the fourth telescopic rod, the third telescopic rod, the second telescopic rod and the first telescopic rod are all symmetrical with respect to the center position of the operation area at equal intervals.

Preferably, the fourth telescopic link is connected with the third telescopic link clamping groove through a connecting block and a fine adjustment rod, the connecting block is of an internal hollow cylinder structure, the second telescopic link is connected with the first telescopic link clamping groove through the connecting block and the fine adjustment rod, and the fine adjustment rods are symmetrically arranged in two relative to the center of the operation area.

Compared with the prior art, the beneficial effects of the utility model are that: this precision measurement optical projection appearance, overcome the shortcoming that current most precision measurement optical projection appearance is not convenient for adjust and does not have dustproof effect, the device is inside to be provided with dust hood and micromatic setting, micromatic setting inside is fixed with four telescopic links, if need carry out the regulation of angle to the workstation, slightly draw the micromatic setting alright when not influencing the normal work of device, carry out angle and height adjustment to the workstation, high durability and convenient use, dust hood inner structure is nimble, the sectional type is opened, convenient to use has fine dustproof effect simultaneously, can effectively solve the problem in the background art.

Drawings

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

FIG. 2 is a schematic view of the position structure of the rotating shaft of the present invention;

FIG. 3 is a schematic view of the internal structure of the fine adjustment device of the present invention;

fig. 4 is a schematic view of the position structure of the dust-shielding cover of the present invention.

In the figure: 1. the device comprises a box body, 2, rollers, 3, an operation area, 4, a protective cover, 5, a fine adjustment device, 6, a Fresnel lens, 7, a workbench, 8, a clamping piece, 9, a working area, 10, an objective lens, 11, a projection screen, 12, a light shield, 13, a rotating shaft, 14, a dust shield, 15, a first telescopic rod, 16, a second telescopic rod, 17, a third telescopic rod, 18, a fourth telescopic rod, 19, a fixed seat, 20, a connecting block, 21, a fine adjustment rod, 22 and a stabilizing piece.

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.

Referring to fig. 1-4, the present invention provides a technical solution: an optical projector for accurate measurement comprises a box body 1 and a fourth telescopic rod 18, wherein the lower end of the box body 1 is fixed with a roller 2, the upper end of the box body 1 is provided with an operation area 3, the upper end of the operation area 3 is fixed with a protective cover 4, the inner edge of the protective cover 4 is provided with a fine adjustment device 5, the inner central position of the protective cover 4 is fixed with a Fresnel lens 6, the upper end edge of the protective cover 4 is mutually connected with the lower end edge of a workbench 7, the lower end edge of the protective cover 4 is mutually connected with the upper end edge of the operation area 3, the structure is stable and has good harmony, the upper end of the protective cover 4 is fixed with the workbench 7, the upper end of the workbench 7 is provided with a clamp 8, the rear side of the clamp 8 is fixed with a working area 9, the upper end of the working area 9 is provided with an objective lens 10, the upper end of the objective lens 10 is provided with, the working area 9 is connected with the dust cover 14 through the rotating shaft 13, the dust cover 14 forms a rotating mechanism with the working area 9 through the rotating shaft 13, the rotating range value of the mechanism is 0-180 degrees, the lower end edge of the dust cover 14 is matched and connected with the upper end edge of the operating area 3, the dust cover 14 is flexible in internal structure and can be opened in a segmented mode, the dust cover is convenient to use and has a good dust-proof effect, a first telescopic rod 15 and a third telescopic rod 17 are sequentially fixed inside the fine adjustment device 5 from front to back, a second telescopic rod 16 is fixed on the right side of the first telescopic rod 15, the fine adjustment device 5 and the operating area 3 are of an integrated structure through a fixed seat 19, the stabilizing piece 22 and the operating area 3 form a lifting structure through the first telescopic rod 15, the stabilizing piece 22 is of a conical structure, and the lower end edge of the stabilizing piece 22 is matched and connected with the upper end edge of the first telescopic rod 15, the inner reinforcement function is better achieved, the fourth telescopic rod 18 is fixed on the right side of the third telescopic rod 17, the fixing seats 19 are fixed at the bottom ends of the inner parts of the fourth telescopic rod 18, the third telescopic rod 17, the second telescopic rod 16 and the first telescopic rod 15, the fourth telescopic rod 18, the third telescopic rod 17, the second telescopic rod 16 and the first telescopic rod 15 are all symmetrical with respect to the central position of the operation area 3 at equal intervals, the structure is neat, the workbench 7 at the upper end is convenient to support, the side surfaces of the fourth telescopic rod 18, the third telescopic rod 17, the second telescopic rod 16 and the first telescopic rod 15 are all provided with connecting blocks 20, the fourth telescopic rod 18 is connected with the third telescopic rod 17 through the connecting blocks 20 and the fine adjustment rod 21, the connecting blocks 20 are of a hollow cylinder structure in the inner part, the second telescopic rod 16 is connected with the clamping groove of the first telescopic rod 15 through the connecting blocks 20 and the fine adjustment rod 21, the fine adjustment rods 21 are symmetrically arranged about the center of the operation area 3, the fine adjustment rods 21 are arranged to adjust the display angle of the workbench 7 more conveniently, and the stabilizing pieces 22 are arranged at the upper ends of the fourth telescopic rod 18, the third telescopic rod 17, the second telescopic rod 16 and the first telescopic rod 15.

The working principle is as follows: firstly, the device is moved to a use position through the roller 2, the dust cover 14 is opened towards two sides through the rotating shaft 13, the internal structure of the dust cover 14 is flexible and can be unfolded in a sectional mode in accordance with the use condition, the dust cover 14 has good dustproof effect and is convenient to use, dust is effectively prevented from entering from the outside, an object to be measured is fixed on the workbench 7 through the clamping piece 8, in the use process of the device, if the display angle of the workbench 7 needs to be adjusted, a user can slightly pinch the edge of the workbench 7 and lift the workbench 7 upwards through the fine adjustment device 5 in the protective cover 4, the operation is more convenient for the objective 10 to detect a sample, the measurement data of the optical projector is more accurate, if the angle needs to be slightly adjusted, the fine adjustment rod 21 can be slightly pressed through the protective cover 4, after pressing, the telescopic rod on one side drives one side of the workbench 7 to descend, therefore, the angle of the workbench 7 can be finely adjusted, the use is convenient, and the accurate measurement optical projector can be used by a demander well.

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 an accurate measurement optical projector, includes box (1) and fourth telescopic link (18), its characterized in that: the lower end of the box body (1) is fixed with rollers (2), the upper end of the box body (1) is provided with an operation area (3), the upper end of the operation area (3) is fixed with a protective cover (4), the inner edge of the protective cover (4) is provided with a fine adjustment device (5), the inner central position of the protective cover (4) is fixed with a Fresnel lens (6), the upper end of the protective cover (4) is fixed with a workbench (7), the upper end of the workbench (7) is provided with a clamping piece (8), the rear side of the clamping piece (8) is fixed with a working area (9), the upper end of the working area (9) is provided with an objective lens (10), the upper end of the objective lens (10) is provided with a projection screen (11), the upper end of the projection screen (11) is fixed with a light shield (12), the edges of two sides of the working area (9) are provided with rotating shafts (, a first telescopic rod (15) and a third telescopic rod (17) are sequentially fixed in the fine adjustment device (5) from front to back, a second telescopic rod (16) is fixed on the right side of the first telescopic rod (15), a fourth telescopic rod (18) is fixed on the right side of the third telescopic rod (17), and the bottom ends inside the fourth telescopic rod (18), the third telescopic rod (17), the second telescopic rod (16) and the first telescopic rod (15) are all fixed with a fixed seat (19), the side surfaces of the fourth telescopic rod (18), the third telescopic rod (17), the second telescopic rod (16) and the first telescopic rod (15) are all provided with a connecting block (20), and the fourth telescopic rod (18) is connected with the third telescopic rod (17) through a connecting block (20) and a fine adjustment rod (21), stabilizing parts (22) are mounted at the upper ends of the fourth telescopic rod (18), the third telescopic rod (17), the second telescopic rod (16) and the first telescopic rod (15).

2. An accurate measurement optical projector as claimed in claim 1, wherein: the upper end edge of protection casing (4) and the lower extreme edge interconnect of workstation (7), and the lower extreme edge of protection casing (4) and the upper end edge interconnect of operation district (3).

3. An accurate measurement optical projector as claimed in claim 1, wherein: fine setting device (5) are through fixing base (19) and operation area (3) structure as an organic whole, and stabilizing member (22) constitute elevation structure through first telescopic link (15) and operation area (3) to stabilizing member (22) are the toper structure, and stabilizing member (22) lower extreme edge and first telescopic link (15) upper end edge are anastomotic connection each other simultaneously.

4. An accurate measurement optical projector as claimed in claim 1, wherein: the dust hood (14) and the working area (9) form a rotating mechanism through a rotating shaft (13), the rotating range value of the mechanism is 0-180 degrees, and the lower end edge of the dust hood (14) is matched and connected with the upper end edge of the operating area (3).

5. An accurate measurement optical projector as claimed in claim 1, wherein: the fourth telescopic rod (18), the third telescopic rod (17), the second telescopic rod (16) and the first telescopic rod (15) are all in equidistant symmetry relative to the center position of the operation area (3).

6. An accurate measurement optical projector as claimed in claim 1, wherein: the fourth telescopic rod (18) is connected with a clamping groove of the third telescopic rod (17) through a connecting block (20) and a fine adjustment rod (21), the connecting block (20) is of an internal hollow cylinder structure, the second telescopic rod (16) is connected with the clamping groove of the first telescopic rod (15) through the connecting block (20) and the fine adjustment rod (21), and the fine adjustment rod (21) is symmetrically arranged with respect to the center of the operation area (3).