CN216344816U

CN216344816U - Economic project is projecting apparatus for review

Info

Publication number: CN216344816U
Application number: CN202122248012.4U
Authority: CN
Inventors: 包志
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-04-19
Anticipated expiration: 2031-09-16

Abstract

The utility model relates to the technical field of projectors, in particular to a projector for reviewing economic projects, which comprises a first support frame, wherein one side of the first support frame is fixedly connected with a rectangular rod through a rotating shaft, one side of the rectangular rod is fixedly connected with a first circular ring, and the upper surface of the first circular ring is provided with a threaded hole. This economic project reviews uses projecting apparatus, through first ring, the screw hole, the threaded rod, the second support frame, a spring, first fixture block, the second fixture block, the third fixture block, the cooperation setting of fourth fixture block and projecting apparatus, during the use, the staff places the projecting apparatus on the second support frame, and then first fixture block, the second fixture block, the third fixture block, the fourth fixture block passes through the block of spring, then with the projecting apparatus block on the second support frame, thereby avoid the projecting apparatus to drop on the second support frame, hand pole rotation drives the threaded hole internal rotation of threaded rod in first ring, with second support frame rebound, thereby can adjust the height of projecting apparatus.

Description

Economic project is projecting apparatus for review

Technical Field

The utility model relates to the technical field of projectors, in particular to a projector for evaluating economic projects.

Background

The projector is an optical instrument which uses an optical element to enlarge the profile of a workpiece and projects the workpiece onto a screen, can be used for measuring the profile by using transmitted light and also can be used for measuring the surface shape of a non-through hole and observing the surface of the part by using reflected light, is particularly suitable for measuring complex profiles and fine workpieces such as clock parts, stamping parts, electronic elements, templates, dies, threads, gears, forming cutters and the like, has high detection efficiency and convenient use, is widely applied to metering chambers and production workshops, and is particularly suitable for meeting occasions in the instrument industry, meters and clocks.

Most of the existing projectors are installed on a wall, and the projection position cannot be flexibly adjusted according to the placement of the curtain, so that the utility model provides the projector for evaluating the economic projects.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a projector for evaluating economic projects, which solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides an economic project reviewes and uses projecting apparatus, includes first support frame, one side of first support frame is through pivot fixedly connected with rectangular rod, the first ring of one side fixedly connected with of rectangular rod, the upper surface of first ring sets up threaded hole, the inside threaded connection of screw hole has the threaded rod, the hand pole of bottom fixedly connected with of threaded rod, the top fixedly connected with second support frame of threaded rod, first rectangular channel has been seted up on the surface of second support frame, one side fixedly connected with spring of first rectangular channel, one side difference fixedly connected with first fixture block, second fixture block, third fixture block and fourth fixture block of spring, first support frame upper surface is provided with the projecting apparatus.

Optionally, the bottom of the first support frame is fixedly connected with a universal wheel, and a brake pad is arranged on the surface of the universal wheel.

Optionally, a second rectangular groove is formed in the top of the third fixture block, and a rectangular block is installed inside the second rectangular groove.

Optionally, the bottom of the rectangular block is fixedly connected with a brush, and the brush is made of artificial fiber.

Optionally, the top of the rectangular block is fixedly connected with a second circular ring, and the surface of the fourth clamping block is in threaded connection with a collection box.

Optionally, the number of the first supporting frames is three, and the collecting box is made of plastic.

(III) advantageous effects

The utility model provides a projector for evaluating economic projects, which has the following beneficial effects:

the projector for evaluating the economic project is characterized in that a worker places the projector on the second support frame when the projector is used through the matching arrangement of the first circular ring, the threaded hole, the threaded rod, the second support frame, the spring, the first clamping block, the second clamping block, the third clamping block, the fourth clamping block and the projector, the first clamping block, the second clamping block, the third clamping block and the fourth clamping block are clamped by the spring, so that the projector is clamped on the second support frame, thereby avoiding unnecessary loss caused by the projector dropping on the second support frame, the worker rotates the hand-operated lever clockwise, the hand-operated lever rotates to drive the threaded rod to rotate in the threaded hole in the first circular ring, the second support frame moves upwards, thereby the height of the projector can be adjusted, the position of projection can be flexibly adjusted according to the placement of the curtain, the lifting mechanism is convenient for workers to carry, and can use the projector at any time according to working requirements.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a perspective view of the structure of the present invention;

FIG. 3 is a perspective view of the structural support bracket and a third block of the present invention;

fig. 4 is a perspective view of the lifting mechanism of the present invention.

In the figure: 1. a first support frame; 2. a first circular ring; 3. a threaded hole; 4. a threaded rod; 5. a second support frame; 6. a first rectangular groove; 7. a spring; 8. a first clamping block; 9. a second fixture block; 10. a third fixture block; 11. a fourth fixture block; 12. a projector; 13. a universal wheel; 14. a second rectangular groove; 15. a rectangular block; 16. a brush; 17. and (4) collecting the box.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides an economic project reviews uses projecting apparatus, including first support frame 1, one side of first support frame 1 is through pivot fixedly connected with rectangular rod, the first ring 2 of one side fixedly connected with of rectangular rod, threaded hole 3 has been seted up to the upper surface of first ring 2, the inside threaded connection of threaded hole 3 has threaded rod 4, the hand pole of bottom fixedly connected with of threaded rod 4, the top fixedly connected with second support frame 5 of threaded rod 4, first rectangular channel 6 has been seted up on the surface of second support frame 5, one side fixedly connected with spring 7 of first rectangular channel 6, one side difference fixedly connected with first fixture block 8 of spring 7, second fixture block 9, third fixture block 10 and

fourth fixture block

11, 1 upper surface of first support frame is provided with projecting apparatus 12.

In order to avoid unnecessary loss caused by the fact that the projector 12 falls on the second support frame 5, a worker rotates the hand-operated rod clockwise, the hand-operated rod rotates to drive the threaded rod 4 to rotate in the threaded hole 3 in the first circular ring 2, the second support frame 5 moves upwards, the height of the projector 12 can be adjusted, the projection position can be adjusted flexibly according to placement of a curtain, the lifting mechanism is convenient for the worker to carry, the projector 12 can be used at any time according to working requirements, the projector for economic project review is arranged by matching the first circular ring 2, the threaded hole 3, the threaded rod 4, the second support frame 5, the spring 7, the first clamping block 8, the second clamping block 9, the third clamping block 10, the fourth clamping block 11 and the projector 12, when the projector is used, the worker places the projector 12 on the second support frame 5, and then the first clamping block 8, the second clamping block 9, The third fixture block 10 and the fourth fixture block 11 are clamped by the spring 7, and then the projector 12 is clamped on the second support frame 5;

bottom fixedly connected with universal wheel 13 of first support frame 1, the surface of universal wheel 13 is provided with the brake block, second rectangular channel 14 has been seted up at the top of third fixture block 10, the internally mounted of second rectangular channel 14 has rectangular block 15, the bottom fixedly connected with brush 16 of rectangular block 15, brush 16 is the artificial fiber material, through setting up rectangular block 15 and brush 16, staff's slip rectangular block 15, the dust on projecting apparatus 12 top layer can be cleaned to brush 16, be convenient for use next time, the top fixedly connected with second ring of rectangular block 15, the surperficial threaded connection of fourth fixture block 11 has collection box 17, the quantity of first support frame 1 is three, collection box 17 is the plastics material, through setting up collection box 17, brush 16 is when cleaning projecting apparatus 12, can spill the dust on projecting apparatus 12 to collection box 17, the staff of being convenient for emptys.

In the utility model, the working steps of the device are as follows:

the first circular ring 2, the threaded hole 3, the threaded rod 4, the second support frame 5, the spring 7, the first clamping block 8, the second clamping block 9, the third clamping block 10, the fourth clamping block 11 and the projector 12 are matched for use, when the lifting mechanism is used, a worker places the projector 12 on the second support frame 5, then the first clamping block 8, the second clamping block 9, the third clamping block 10 and the fourth clamping block 11 are clamped through the spring 7, then the projector 12 is clamped on the second support frame 5, so that unnecessary loss caused by falling of the projector 12 on the second support frame 5 is avoided, the worker clockwise rotates the hand-operated lever, the hand-operated lever rotates to drive the threaded rod 4 to rotate in the threaded hole 3 in the first circular ring 2, the second support frame 5 moves upwards, the height of the projector 12 can be adjusted, the projection position can be flexibly adjusted according to the placement of a curtain, and the lifting mechanism is convenient for the worker to carry, projector 12 may be used at any time according to work requirements.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A projector for economic project review, comprising a first support frame (1), characterized in that: one side of the first support frame (1) is fixedly connected with a rectangular rod through a rotating shaft, one side of the rectangular rod is fixedly connected with a first circular ring (2), a threaded hole (3) is formed in the upper surface of the first circular ring (2), a threaded rod (4) is connected with the inner thread of the threaded hole (3), the bottom of the threaded rod (4) is fixedly connected with a hand rocker, the top of the threaded rod (4) is fixedly connected with a second support frame (5), the surface of the second supporting frame (5) is provided with a first rectangular groove (6), one side fixedly connected with spring (7) of first rectangular channel (6), one side difference fixedly connected with first fixture block (8), second fixture block (9), third fixture block (10) and fourth fixture block (11) of spring (7), first support frame (1) upper surface is provided with projecting apparatus (12).

2. The projector for economic project review according to claim 1, wherein: the bottom of the first support frame (1) is fixedly connected with a universal wheel (13), and a brake pad is arranged on the surface of the universal wheel (13).

3. The projector for economic project review according to claim 1, wherein: and a second rectangular groove (14) is formed in the top of the third clamping block (10), and a rectangular block (15) is installed in the second rectangular groove (14).

4. The projector for economic project review according to claim 3, wherein: the bottom fixedly connected with brush (16) of rectangle piece (15), brush (16) are artificial fiber material.

5. The projector for economic project review according to claim 3, wherein: the top of the rectangular block (15) is fixedly connected with a second circular ring, and the surface of the fourth clamping block (11) is in threaded connection with a collecting box (17).

6. The projector for economic project review according to claim 5, wherein: the number of the first supporting frames (1) is three, and the collecting boxes (17) are made of plastic materials.