CN216286127U

CN216286127U - Fixing structure of projection lens

Info

Publication number: CN216286127U
Application number: CN202122925841.1U
Authority: CN
Inventors: 夏超; 常静; 张文旭; 闫勇; 孙宾宾
Original assignee: Nanyang Tianna Photoelectric Technology Co ltd
Current assignee: Nanyang Tianna Photoelectric Technology Co ltd
Priority date: 2021-11-22
Filing date: 2021-11-22
Publication date: 2022-04-12
Anticipated expiration: 2031-11-22

Abstract

The utility model discloses a fixing structure of a projection lens, which relates to the technical field of projection equipment and comprises a projector, a guide rod and a lens, wherein a connecting rod is inserted in a first fixing rod, the lower end of the connecting rod is fixedly connected with a pressing plate, the outer end of the inserting rod is fixedly connected with a second fixing rod, the lower part of the connecting rod is fixedly connected with a gear, and the telescopic end of an electric push rod is fixedly connected with a connecting block. According to the mechanism, the pressing plate, the connecting rod, the second compression spring, the first fixing rod, the slot, the inserting rod, the second fixing rod and the first compression spring are arranged, the mechanism can be conveniently and quickly disassembled and assembled relative to a bolt and a screw, the later-stage disassembly and replacement are convenient, the use by a user is convenient, and by arranging the electric push rod, the guide groove, the rack, the gear, the connecting shaft, the rolling brush and the connecting block, the mechanism can automatically clean stains outside the lens, the trouble of manual cleaning is omitted, and the later-stage use is convenient.

Description

Fixing structure of projection lens

Technical Field

The utility model relates to the technical field of projection equipment, in particular to a fixing structure of a projection lens.

Background

A projector, also called a projector, is a device that can project images or videos onto a curtain, and can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV, etc. through different interfaces to play corresponding video signals. Projectors are widely used in homes, offices, schools and entertainment places, and have different types such as CRT, LCD and DLP according to different working modes. Projector lenses generally refer to interchangeable engineering projection lenses used on professional projectors.

At present, current projecting lens generally all is through screw or bolt fixed mounting on the projecting apparatus, causes the later stage comparatively loaded down with trivial details to the change process of camera lens, the dismouting of being not convenient for, and the projecting apparatus is easy to adhere to the dust on the camera lens after using for a long time in addition some projecting apparatus are installed in higher place, and it is comparatively troublesome when wiping the ash manually at every turn, consequently certain improvement space in addition.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a fixing structure of a projection lens, 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: a fixing structure of a projection lens comprises a projector, a guide rod and a lens, wherein a first fixing rod is inserted into the projector, a connecting rod is inserted into the first fixing rod, a second compression spring is fixedly connected to the upper end of the connecting rod, a pressing plate is fixedly connected to the lower end of the connecting rod, a slot is formed in the first fixing rod, an inserting rod is inserted into the slot, a second fixing rod is fixedly connected to the outer end of the inserting rod, a first compression spring is fixedly connected to the inner end of the second fixing rod, a guide groove is formed in the guide rod, a connecting shaft penetrates through the guide groove, a rolling brush is fixedly connected to the outer surface of the connecting shaft, a gear is fixedly connected to the lower portion of the connecting shaft, a rack is meshed with the back of the gear, a connecting block is sleeved at the lower end of the connecting shaft, and an electric push rod is fixedly installed on the front face of the projector, the telescopic end of the electric push rod is fixedly connected with the connecting block.

Optionally, the lens is inserted into the projector, the upper end of the second compression spring is fixedly connected with the first fixing rod, the pressing plate is connected to the inside of the projector in a sliding manner, the pressing plate is arc-shaped, and the pressing plate abuts against the upper surface of the lens.

Optionally, the lower side of the first fixing rod is fixedly connected with a limiting block, a limiting groove is formed in the projector, and the limiting block is connected to the limiting groove in a sliding mode.

Optionally, the slot sets up in second compression spring's top, the shape of inserted bar is the L type, the equal sliding connection in the inside of projecting apparatus of second dead lever and inserted bar, first compression spring's the other end and projecting apparatus fixed connection.

Optionally, the guide rod is fixedly connected to the front of the projector, the rolling brush is arranged above the guide rod, and the gear abuts against the upper surface of the guide rod.

Optionally, the rack is arranged behind the guide groove, the connecting block abuts against the lower surface of the guide rod, and the electric push rod is arranged on the lower side of the guide rod.

Advantageous effects

The utility model provides a fixing structure of a projection lens, which has the following beneficial effects:

1. according to the fixing structure of the projection lens, by arranging the pressing plate, the connecting rod, the second compression spring, the first fixed rod, the slot, the inserted rod, the second fixed rod and the first compression spring, the inserted rod can be separated from the slot by pressing the second fixed rod inwards, then the first fixed rod can be ejected upwards by the second compression spring, then the pressing plate can be separated from the lens by pulling the first fixed rod upwards, and finally the lens can be pulled out and detached outwards;

2. this projecting lens's fixed knot constructs, through setting up electric push rod, the guide arm, the guide slot, the rack, the gear, the connecting axle, round brush and connecting block, electric push rod's output accessible promotes the connecting block and drives the connecting axle and slide along the guide slot, then under the effect of gear and rack, can make the connecting axle rotate with the round brush removal simultaneously, thereby sweep the brush to the surface of camera lens, this mechanism can realize carrying out the automatic clearance to the outer spot of camera lens, save the trouble of artifical manual clearance, the later stage of being convenient for is used.

Drawings

FIG. 1 is a schematic front perspective view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a side view of a partial structure of the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 3 according to the present invention;

FIG. 5 is a top view of a partial structure of the present invention.

In the figure: 1. a projector; 2. a guide bar; 3. an electric push rod; 4. a first fixing lever; 5. a second fixing bar; 6. a rack; 7. a guide groove; 8. connecting blocks; 9. rolling and brushing; 10. a connecting shaft; 11. a lens; 12. pressing a plate; 13. a first compression spring; 14. a connecting rod; 15. inserting a rod; 16. a slot; 17. a second compression spring; 18. a limiting groove; 19. a limiting block; 20. a gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: a fixing structure of a projection lens comprises a projector 1, a guide rod 2 and a lens 11, a first fixing rod 4 is inserted in the projector 1, a connecting rod 14 is inserted in the first fixing rod 4, a second compression spring 17 is fixedly connected to the upper end of the connecting rod 14, a pressing plate 12 is fixedly connected to the lower end of the connecting rod 14, the lens 11 is inserted in the projector 1, the upper end of the second compression spring 17 is fixedly connected with the first fixing rod 4, the pressing plate 12 is slidably connected in the projector 1, the pressing plate 12 is arc-shaped, the pressing plate 12 abuts against the upper surface of the lens 11, a limiting block 19 is fixedly connected to the lower side of the first fixing rod 4, a limiting groove 18 is formed in the projector 1, the limiting block 19 is slidably connected in the limiting groove 18, a slot 16 is formed in the first fixing rod 4, an insertion rod 15 is inserted in the slot 16, and a second fixing rod 5 is fixedly connected to the outer end of the insertion rod 15, the inner end of the second fixing rod 5 is fixedly connected with a first compression spring 13, a slot 16 is arranged above a second compression spring 17, the shape of the inserted rod 15 is L-shaped, the second fixing rod 5 and the inserted rod 15 are both connected inside the projector 1 in a sliding manner, the other end of the first compression spring 13 is fixedly connected with the projector 1, a guide groove 7 is arranged inside the guide rod 2, a connecting shaft 10 penetrates through the inside of the guide groove 7, the outer surface of the connecting shaft 10 is fixedly connected with a rolling brush 9, the lower part of the connecting shaft 10 is fixedly connected with a gear 20, the back surface of the gear 20 is engaged with a rack 6, the lower end of the connecting shaft 10 is sleeved with a connecting block 8, the front surface of the projector 1 is fixedly provided with an electric push rod 3, the telescopic end of the electric push rod 3 is fixedly connected with the connecting block 8, the guide rod 2 is fixedly connected with the front surface of the projector 1, the rolling brush 9 is arranged above the guide rod 2, and the gear 20 is abutted against the upper surface of the guide rod 2, the rack 6 sets up in the rear of guide slot 7, and connecting block 8 butt in the lower surface of guide arm 2, and electric push rod 3 sets up in the downside of guide arm 2.

When the mechanism is used, the second fixing rod 5 is pressed inwards to separate the inserted rod 15 from the slot 16, the first compression spring 13 is in a compressed state, then the second compression spring 17 can push the first fixing rod 4 upwards, then the first fixing rod 4 is pulled upwards to drive the connecting rod 14 to slide upwards with the pressing plate 12 through the second compression spring 17, the pressing plate 12 is separated from the lens 11, finally the lens 11 can be pulled out and detached outwards, the pressing plate 12 can be pressed tightly on the lens 11 through pressing the first fixing rod 4 downwards after the lens 11 is inserted into the projector 1 during installation, and under the thrust of the first compression spring 13, the second fixing rod 5 is pushed to slide outwards to insert the inserted rod 15 into the slot 16, so that the first fixing rod 4 is fixed, and the pressing plate 12 is pressed tightly on the upper surface of the lens 11, so that the lens 11 is installed and fixed, and the mechanism can be more conveniently and quickly assembled and disassembled relative to the connection mode of bolts and screws, the later-period disassembly and assembly and replacement are convenient, and the use by a user is convenient; the output accessible of electric putter 3 promotes connecting block 8 and drives connecting axle 10 and slide along guide slot 7, then under the effect of rack 6, rotates when can driving gear 20 and remove, rotates when can making connecting axle 10 and round brush 9 remove to carry out the brush to the surface of camera lens 11, this mechanism can realize carrying out automatic clearance to the outer spot of camera lens 11, saves the trouble of artifical manual clearance, the later stage of being convenient for uses.

In summary, the utility model can press the second fixing rod 5 inwards to separate the inserting rod 15 from the slot 16 by arranging the pressing plate 12, the connecting rod 14, the second compression spring 17, the first fixing rod 4, the slot 16, the inserting rod 15, the second fixing rod 5 and the first compression spring 13, then the second compression spring 17 can push the first fixing rod 4 upwards, then the pressing plate 12 can be separated from the lens 11 by pulling the first fixing rod 4 upwards, and finally the lens 11 can be pulled out and detached outwards, the mechanism can make the lens 11 be more conveniently and quickly disassembled and assembled relative to the connection mode of the bolt and the screw, so as to facilitate the later-stage disassembly and replacement, and facilitate the use of a user, by arranging the electric push rod 3, the guide rod 2, the guide groove 7, the rack 6, the gear 20, the connecting shaft 10, the rolling brush 9 and the connecting block 8, the output end of the electric push rod 3 can drive the connecting shaft 10 to slide along the guide groove 7 by pushing the connecting block 8, then under the effect of gear 20 and rack 6, can make connecting axle 10 rotate with round brush 9 removal simultaneously to carry out the brush-sweeping to the surface of camera lens 11, this mechanism can realize carrying out automatic clearance to the spot outside camera lens 11, saves the trouble of manual clearance, the later stage of being convenient for is used.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a projection lens's fixed knot constructs, includes projecting apparatus (1), guide arm (2) and camera lens (11), its characterized in that: a first fixing rod (4) is inserted into the projector (1), a connecting rod (14) is inserted into the first fixing rod (4), a second compression spring (17) is fixedly connected to the upper end of the connecting rod (14), a pressing plate (12) is fixedly connected to the lower end of the connecting rod (14), a slot (16) is formed in the first fixing rod (4), an inserting rod (15) is inserted into the slot (16), a second fixing rod (5) is fixedly connected to the outer end of the inserting rod (15), a first compression spring (13) is fixedly connected to the inner end of the second fixing rod (5), a guide groove (7) is formed in the guide rod (2), a connecting shaft (10) penetrates through the inner portion of the guide groove (7), a rolling brush (9) is fixedly connected to the outer surface of the connecting shaft (10), and a gear (20) is fixedly connected to the lower portion of the connecting shaft (10), the back of gear (20) meshes and is connected with rack (6), connecting block (8) have been cup jointed to the lower extreme of connecting axle (10), the front fixed mounting of projecting apparatus (1) has electric push rod (3), the flexible end and connecting block (8) fixed connection of electric push rod (3).

2. A fixing structure of a projection lens according to claim 1, wherein: the projector is characterized in that the lens (11) is inserted into the projector (1), the upper end of the second compression spring (17) is fixedly connected with the first fixing rod (4), the pressing plate (12) is connected to the inside of the projector (1) in a sliding mode, the pressing plate (12) is arc-shaped, and the pressing plate (12) abuts against the upper surface of the lens (11).

3. A fixing structure of a projection lens according to claim 1, wherein: the lower side of the first fixing rod (4) is fixedly connected with a limiting block (19), a limiting groove (18) is formed in the projector (1), and the limiting block (19) is connected to the inside of the limiting groove (18) in a sliding mode.

4. A fixing structure of a projection lens according to claim 1, wherein: slot (16) set up in the top of second compression spring (17), the shape of inserted bar (15) is the L type, second dead lever (5) and the equal sliding connection of inserted bar (15) are in the inside of projecting apparatus (1), the other end and projecting apparatus (1) fixed connection of first compression spring (13).

5. A fixing structure of a projection lens according to claim 1, wherein: the guide rod (2) is fixedly connected to the front face of the projector (1), the rolling brush (9) is arranged above the guide rod (2), and the gear (20) abuts against the upper surface of the guide rod (2).

6. A fixing structure of a projection lens according to claim 1, wherein: the rack (6) is arranged behind the guide groove (7), the connecting block (8) is abutted to the lower surface of the guide rod (2), and the electric push rod (3) is arranged on the lower side of the guide rod (2).