Multifunctional projector for digital measurement

Abstract

A vertical box is installed at the top of a mainframe box, a projection box is installed at the top of the vertical box, a projection screen is installed at the front end of the projection box in an embedded mode, an installation bottom plate is installed on the outer side of the mainframe box, a dustproof frame is installed at the position, corresponding to the vertical box, of the rear end of the installation bottom plate, and a dustproof net is installed in the dustproof frame in an embedded mode. By arranging the limiting top plate, the movable thin plate, the rotary thin plate, a magnet rod, an extrusion plate, a limiting rubber strip, a pulling block, a top connecting plate, a long mounting plate and an electric push rod, the electric push rod drives the movable thin plate and the rotary thin plate to move upwards, and the movable thin plate and the rotary thin plate are driven to move upwards; after use, the movable thin plate and the rotating thin plate are controlled to move downwards, the rotating thin plate is rotated to the front end of the projector for protection and dust prevention, the overall operation is convenient, and the dust prevention and protection effect is good.

Description

Technical Field

[0001] The utility model relates to the technical field of digital measurement, in particular to a multifunctional projector for digital measurement. Background Art

[0002] The digital measuring projector is a precise and efficient testing instrument that integrates optics, mechanics and electronics. It has been developed from the early contour projector plus a grating ruler and a special two-dimensional digital display. The digital measuring projector consists of a projection screen, an objective lens, a workbench, a focusing mechanism, and a grating digital display. According to the structural form, it can be divided into a digital vertical projector (the objective lens optical axis is perpendicular to the workbench surface) and a digital horizontal projector (the objective lens optical axis is parallel to the workbench surface). The digital measuring projector has multiple functions such as measuring size, measuring shape, detecting surface defects, data processing and analysis, etc.

[0003] However, the multifunctional projectors currently used in digital measurement have poor protection effects on working equipment. They are prone to accidental collisions, causing damage to the equipment and affecting detection. In addition, there are gaps in the equipment that allow dust to easily enter, making cleaning cumbersome. Utility Model Content

[0004] The utility model provides a multifunctional projector for digital measurement, which can effectively solve the problems proposed in the above background technology that the multifunctional projector currently used for digital measurement has poor protection effect on working equipment, is easy to be damaged by accidental collision, affects detection, and has gaps in the equipment that easily allow dust to enter, making cleaning work cumbersome.

[0005] To achieve the above object, the utility model provides the following technical solutions: a multifunctional projector for digital measurement, comprising a main box, a vertical box installed on the top of the main box, a projection box installed on the top of the vertical box, a projection screen embedded in the front end of the projection box, a stage installed on the top of the main box, a connecting curved rod installed on the outside of the projection box, and a digital display control screen connected to one end of the connecting curved rod;

[0006] A mounting base is installed on the outside of the main case, a dustproof frame is installed at the rear end of the mounting base corresponding to the position of the vertical box, a dustproof net is embedded in the dustproof frame, a limiting top plate is installed on the top of the vertical box corresponding to the top of the dustproof frame, limiting holes are symmetrically arranged on the top of the limiting top plate, a movable thin plate is clamped inside the limiting hole, a rotating thin plate is rotatably installed on the front end of the movable thin plate, a magnet bar is embedded in one side of the rotating thin plate, an extrusion plate is installed on the bottom end of the rotating thin plate, a limiting rubber strip is bonded to the edge of the extrusion plate, a pulling block is installed on the bottom end of the extrusion plate, a top connecting plate is installed on the top of the movable thin plate, a mounting long plate is installed on the back end face of the main case, and an electric push rod is installed on the top of the mounting long plate.

[0007] Preferably, the input end of the electric push rod is electrically connected to the output end of the external power supply, and the top end of the electric push rod is connected to the top connecting plate.

[0008] Preferably, the rotating thin plate is movably engaged inside the limiting hole, and the inner side of the movable thin plate is slidably engaged with the dustproof frame.

[0009] Preferably, the rotating thin plate is symmetrically arranged at the front end of the rotating thin plate, and the rotating thin plate is connected to the movable thin plate by a hinge.

[0010] Preferably, limiting circular blocks are symmetrically installed on the outside of the projection box, a light shield is clamped on the outside of the projection box, limiting slot plates are symmetrically installed on the top of the light shield, threaded holes are opened on the bottom of the light shield and the outside of the projection box, and short threaded rods are screwed into the threaded holes.

[0011] Preferably, the limiting slot plate is a long strip structure, the inner side of the limiting slot plate is connected with the inner side of the light shield, and the limiting round block is slidably engaged with the inner side of the limiting slot plate.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the utility model has a scientific and reasonable structure and is safe and convenient to use:

[0013] 1. By setting a limit top plate, a moving thin plate, a rotating thin plate, a magnet bar, an extrusion plate, a limit rubber strip, a pulling block, a top connecting plate, an installation long plate and an electric push rod, the moving thin plate and the rotating thin plate are driven by the electric push rod to move up, exposing the stage part for use and operation. After use, the moving thin plate and the rotating thin plate are controlled to move down, and the rotating thin plate is rotated to the front end of the projector for protection and dust prevention. The overall operation is convenient and the dust protection effect is good.

[0014] 2. By setting a limit circle, a light shield, a limit slot plate, a threaded hole and a threaded short rod, by clamping the limit slot plate of the light shield with the limit circle, and fixing the light shield with the threaded short rod, the normal use of the light shield is guaranteed. After use, loosen the threaded short rod, move the light shield and turn it downward to cover the projection screen to protect the projection screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0016] In the attached picture:

[0017] Figure 1 It is a structural schematic diagram of the utility model;

[0018] Figure 2 It is a structural schematic diagram of the electric push rod of the utility model;

[0019] Figure 3 It is a structural schematic diagram of the extruded plate of the utility model;

[0020] Figure 4 It is a structural schematic diagram of the utility model sunshade;

[0021] Numbers in the figure: 1. Main box; 2. Vertical box; 3. Projection box; 4. Projection screen; 5. Stage; 6. Installation base plate; 7. Dustproof frame; 8. Dustproof net; 9. Limiting top plate; 10. Limiting hole; 11. Moving thin plate; 12. Rotating thin plate; 13. Magnet bar; 14. Extrusion plate; 15. Limiting rubber strip; 16. Pulling block; 17. Top connecting plate; 18. Installation long plate; 19. Electric push rod; 20. Limiting round block; 21. Shade; 22. Limiting slot plate; 23. Threaded hole; 24. Threaded short rod; 25. Connecting bent rod; 26. Digital display control screen. DETAILED DESCRIPTION

[0022] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0023] Example: Figure 1-4 As shown, the utility model provides a technical solution, a multifunctional projector for digital measurement, comprising a main box 1, a vertical box 2 is installed on the top of the main box 1, a projection box 3 is installed on the top of the vertical box 2, a projection screen 4 is embedded in the front end of the projection box 3, a loading platform 5 is installed on the top of the main box 1, a connecting curved rod 25 is installed on the outside of the projection box 3, and a digital display control screen 26 is connected to one end of the connecting curved rod 25;

[0024] A mounting base plate 6 is installed on the outside of the main box 1, a dustproof frame 7 is installed at the rear end of the mounting base plate 6 corresponding to the position of the vertical box 2, a dustproof net 8 is embedded and installed inside the dustproof frame 7, a limiting top plate 9 is installed at the top of the vertical box 2 corresponding to the top position of the dustproof frame 7, a limiting hole 10 is symmetrically provided on the top of the limiting top plate 9, a movable thin plate 11 is clamped inside the limiting hole 10, a rotating thin plate 12 is rotatably installed at the front end of the movable thin plate 11, the rotating thin plate 12 is symmetrically arranged at the front end of the rotating thin plate 12, the rotating thin plate 12 is connected to the movable thin plate 11 by a hinge, the installation between the rotating thin plate 12 and the movable thin plate 11 is convenient, and the rotating thin plate 12 is movably clamped in the limiting hole 10 Inside, the inner side of the movable thin plate 11 is slidably engaged with the dustproof frame 7, so that the movement of the movable thin plate 11 is more stable, a magnet bar 13 is embedded and installed on one side of the rotating thin plate 12, an extrusion plate 14 is installed at the bottom end of the rotating thin plate 12, a limiting rubber strip 15 is bonded to the edge of the extrusion plate 14, a pulling block 16 is installed at the bottom end of the extrusion plate 14, a top connecting plate 17 is installed at the top of the movable thin plate 11, a mounting long plate 18 is installed on the back end face of the main chassis 1, and an electric push rod 19 is installed on the top of the mounting long plate 18. The input end of the electric push rod 19 is electrically connected to the output end of the external power supply, and the top of the electric push rod 19 is connected to the top connecting plate 17, which is convenient for driving the top connecting plate 17 to move.

[0025] A limiting circular block 20 is symmetrically installed on the outside of the projection box 3, a light shielding hood 21 is clamped on the outside of the projection box 3, a limiting slot plate 22 is symmetrically installed on the top of the light shielding hood 21, the limiting slot plate 22 is a long strip structure, the inner side of the limiting slot plate 22 is connected with the inner side of the light shielding 21, the limiting circular block 20 is slidably clamped on the inner side of the limiting slot plate 22, so as to facilitate the limitation of the light shielding 21, threaded holes 23 are provided at the bottom of the light shielding hood 21 and the outside of the projection box 3, and a threaded short rod 24 is screwed into the threaded hole 23.

[0026] The working principle and use process of the utility model are as follows: before using the digital measuring projector, the light shielding cover 21 is first rotated upward to expose the projection screen 4, and the light shielding cover 21 is pushed to make the limiting slot plate 22 slide outside the limiting round block 20 until the threaded hole 23 on the light shielding cover 21 coincides with the threaded hole 23 on the outside of the projection box 3, and then the threaded short rod 24 is screwed into the threaded hole 23 to fix the light shielding cover 21, and then the pulling block 16 is pulled outward, and the rotating thin plate 12 is rotated outward to make the rotating thin plate 12 fit the outside of the movable thin plate 11, and then the top connecting plate 17 is driven upward by the electric push rod 19, thereby driving the movable thin plate 11 and the rotating thin plate 12 to move upward, so that the bottom of the movable thin plate 11 and the rotating thin plate 12 are engaged with the limiting hole 10, at this time, the vertical box 2 and the stage 5 are exposed, and the staff can perform projection measurement operations;

[0027] After the projection measurement operation is completed, the projector is cleaned first, and then the top connecting plate 17 is driven downward by the electric push rod 19, and then the moving thin plate 11 and the rotating thin plate 12 are driven downward until the bottom of the moving thin plate 11 contacts the mounting bottom plate 6, and the top of the rotating thin plate 12 is separated from the limiting hole 10, and then the rotating thin plate 12 is rotated to cover the front end of the projector, so that the magnet bars 13 of the two rotating thin plates 12 are magnetically attracted, and the limiting rubber strip 15 on the edge of the extrusion plate 14 is pressed and fitted with the front end of the main box 1, and the position of the stage 5 is protected from dust to prevent dust from entering the gap of the projector, which increases the workload of cleaning;

[0028] Then, the threaded short rod 24 is loosened to separate the threaded short rod 24 from the projection box 3, and then the light shielding cover 21 is pulled outward, and finally the light shielding cover 21 is rotated downward to cover the projection screen 4. The projection screen 4 can be protected by the rotation transformation of the light shielding cover 21. The structure is simple and easy to operate, and the protection effect on the projection screen 4 is better, thereby extending the service life of the projector.

[0029] Finally, it should be noted that the above description is only a preferred example of the present utility model and is not intended to limit the present utility model. Although the present utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A multifunctional projector for digital measurement, comprising a main box (1), characterized in that: A vertical box (2) is installed on the top of the main box (1), a projection box (3) is installed on the top of the vertical box (2), a projection screen (4) is embedded in the front end of the projection box (3), a loading platform (5) is installed on the top of the main box (1), a connecting curved rod (25) is installed on the outside of the projection box (3), and one end of the connecting curved rod (25) is connected to a digital display control screen (26); The main box (1) is provided with a mounting base (6) on the outside, a dustproof frame (7) is provided at the rear end of the mounting base (6) at a position corresponding to the vertical box (2), a dustproof net (8) is embedded and installed inside the dustproof frame (7), a limiting top plate (9) is provided at the top of the vertical box (2) at a position corresponding to the top of the dustproof frame (7), limiting holes (10) are symmetrically provided at the top of the limiting top plate (9), a movable thin plate (11) is clamped inside the limiting hole (10), and a rotating shaft (8) is rotatably installed at the front end of the movable thin plate (11). A movable thin plate (12), a magnet bar (13) is embedded on one side of the rotating thin plate (12), an extrusion plate (14) is installed at the bottom end of the rotating thin plate (12), a limiting rubber strip (15) is bonded to the edge of the extrusion plate (14), a pulling block (16) is installed at the bottom end of the extrusion plate (14), a top connecting plate (17) is installed at the top end of the movable thin plate (11), a mounting long plate (18) is installed on the back end surface of the main chassis (1), and an electric push rod (19) is installed at the top end of the mounting long plate (18).

2. A multifunctional projector for digital measurement according to claim 1, characterized in that: The input end of the electric push rod (19) is electrically connected to the output end of the external power supply, and the top end of the electric push rod (19) is connected to the top connecting plate (17).

3. The multifunctional projector for digital measurement according to claim 1, characterized in that: The rotating thin plate (12) is movably engaged inside the limiting hole (10), and the inner side of the movable thin plate (11) is slidably engaged with the dustproof frame (7).

4. The multifunctional projector for digital measurement according to claim 1, characterized in that: The rotating thin plate (12) is symmetrically arranged at the front end of the rotating thin plate (12), and the rotating thin plate (12) is connected to the movable thin plate (11) via a hinge.

5. The multifunctional projector for digital measurement according to claim 1, characterized in that: A limiting circular block (20) is symmetrically mounted on the outer side of the projection box (3); a light shield (21) is clamped on the outer side of the projection box (3); a limiting slot plate (22) is symmetrically mounted on the top of the light shield (21); threaded holes (23) are provided at the bottom of the light shield (21) and the outer side of the projection box (3); and a threaded short rod (24) is screwed into the threaded hole (23).

6. The multifunctional projector for digital measurement according to claim 5, characterized in that: The limiting slot plate (22) is a long strip structure, the inner side of the limiting slot plate (22) is connected to the inner side of the light shield (21), and the limiting round block (20) is slidably engaged with the inner side of the limiting slot plate (22).

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