CN217113032U

CN217113032U - Projection lens with rotary cleaning protection end cover mounting structure

Info

Publication number: CN217113032U
Application number: CN202122157955.6U
Authority: CN
Inventors: 胡郭蓉
Original assignee: Meitu Technology Shenzhen Co ltd
Current assignee: Meitu Technology Shenzhen Co ltd
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2022-08-02
Anticipated expiration: 2031-09-08

Abstract

The utility model relates to a projecting apparatus technical field discloses a projection lens with rotatory clean protection end cover mounting structure, be provided with the camera lens section of thick bamboo including projector and projector one side, the camera lens section of thick bamboo inner chamber is provided with the camera lens, camera lens section of thick bamboo outer surface one side is provided with the rack, the camera lens lid has been cup jointed to camera lens section of thick bamboo outer surface, flexible groove has been seted up to the camera lens lid inner chamber, flexible inslot cavity wall coupling has the gear, the gear upper end is provided with first toper tooth, camera lens lid inner chamber one side coupling has first rotation axis, first rotation axis one end is provided with second toper tooth, the first rotation axis other end is provided with first belt pulley, camera lens lid inner chamber back coupling has the second belt pulley, first belt pulley has cup jointed the belt with second belt pulley surface, the second belt pulley openly is provided with the cleaning brush, thereby the cleaning brush that makes bottom plate one side set up can rotate and clean the camera lens surface.

Description

Projection lens with rotary cleaning protection end cover mounting structure

Technical Field

The utility model relates to a projecting apparatus technical field specifically is a projecting lens with rotatory clean protection end cover mounting structure.

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.

When the existing projector is used, a projection lens cover needs to be taken down, so that a lens can be projected normally, when the lens is used for a long time, impurities are attached to the surface of the lens and need to be removed through wiping, the impurities are generally wiped through wiping cloth or other cleaning devices, and when the lens is protected by the lens cover in a dustproof mode, the lens cannot be directly cleaned in a rotating mode.

The problems described above are addressed. Therefore, a projection lens with a rotary cleaning protective end cover mounting structure is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a projection lens with rotatory clean protection end cover mounting structure, when the positive camera lens that sets up of projector need use, can pull the lens lid, the gear and the rack toothing of flexible inslot chamber coupling are connected, thereby make the gear rotate, drive the first toper tooth that the upper end set up when the gear rotates, the second toper tooth that first toper tooth and one side meshing are connected, the first rotation axis that second toper tooth set up through one end afterwards drives the first belt pulley of terminal setting, drive the second belt pulley that one end is connected through the belt after the first belt pulley is rotatory, the second belt pulley drives flexible pole subassembly immediately, thereby the cleaning brush that makes bottom plate one side set up can rotate and clean the lens surface, thereby the problem in the above-mentioned background art has been solved.

In order to achieve the above purpose, the utility model provides a following technical scheme: a projection lens with a rotary cleaning protection end cover mounting structure comprises a projector and a lens barrel arranged on one side of the projector, wherein a lens is arranged in an inner cavity of the lens barrel, a rack is arranged on one side of the outer surface of the lens barrel, and a lens cover is sleeved on the outer surface of the lens barrel;

the flexible groove has been seted up to the lens cap inner chamber, and flexible inslot cavity wall coupling has the gear, and the gear upper end is provided with first toper tooth, and lens cap inner chamber one side coupling has first rotation axis, and first rotation axis one end is provided with second toper tooth, and the first rotation axis other end is provided with first belt pulley, and lens cap inner chamber back coupling has the second belt pulley, and first belt pulley has cup jointed the belt with the second belt pulley surface, and the second belt pulley openly is provided with the cleaning brush.

Preferably, the front surface of the second belt pulley is provided with a second rotating shaft, and one end of the second rotating shaft is provided with a telescopic rod assembly.

Preferably, the telescopic rod assembly comprises a first rectangular rod, a return spring is arranged in an inner cavity of the first rectangular rod, and a second rectangular rod is arranged in an inner cavity of the first rectangular rod.

Preferably, the tail end of the second rectangular rod is provided with a bottom plate, and one side of the bottom plate is provided with a cleaning brush.

Preferably, the upper end of the lens barrel is provided with a fixing hole.

Preferably, a telescopic hole is formed in the upper end of the outer surface of the lens barrel, a cylinder penetrates through the inner cavity of the telescopic hole, a baffle is arranged at the lower end of the outer surface of the cylinder, and a round block is arranged at the upper end of the cylinder.

Preferably, the two sides of the outer surface of the projector are connected with the supports in a shaft mode, and the bottom surface of the projector is provided with heat dissipation holes.

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

1. the utility model provides a pair of projection lens with rotatory clean protection end cover mounting structure, when the camera lens that openly sets up of projector need use, can pull the lens lid, the gear and the rack toothing of flexible inslot chamber coupling are connected, thereby make the gear rotate, drive the first toper tooth that the upper end set up when the gear rotates, the second toper tooth that first toper tooth and one side meshing are connected, the first rotation axis that second toper tooth set up through one end drives the first belt pulley of terminal setting afterwards, drive the second belt pulley that one end is connected through the belt after the first belt pulley is rotatory, the second belt pulley drives flexible pole subassembly immediately, thereby the cleaning brush that makes bottom plate one side set up can rotate and clean the lens surface.

2. The utility model provides a pair of projection lens with rotatory clean protection end cover mounting structure, when the lens cap was taken out from camera lens section of thick bamboo surface, reset spring elasticity promoted second rectangle pole to the cleaning brush that makes second rectangle pole one end set up can be continuous laminates in the lens surface, conveniently cleans the lens surface.

Drawings

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

fig. 2 is a schematic structural view of the projector according to the present invention;

fig. 3 is a schematic view of the lens cap structure of the present invention;

fig. 4 is a schematic view of the top view of the lens cap according to the present invention;

fig. 5 is a schematic view of the telescopic rod assembly of the present invention.

In the figure: 1. a projector; 11. a lens barrel; 12. a lens; 13. a rack; 14. a fixing hole; 15. a support; 16. heat dissipation holes; 2. a lens cover; 21. a telescopic groove; 211. a gear; 212. a first conical tooth; 213. a first rotating shaft; 214. a second tapered tooth; 215. a first pulley; 216. a second rotation shaft; 217. a second pulley; 218. a belt; 219. a telescopic rod assembly; 2191. a first rectangular bar; 2192. a return spring; 2193. a second rectangular bar; 22. a telescopic hole; 23. a cylinder; 24. a round block; 25. a baffle plate; 26. a base plate; 27. a cleaning brush.

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. 1-2, a projection lens with a rotary cleaning protection end cover mounting structure includes a projector 1 and a lens barrel 11 disposed on one side of the projector 1, a lens 12 disposed in an inner cavity of the lens barrel 11, a rack 13 disposed on one side of an outer surface of the lens barrel 11, a lens cover 2 sleeved on the outer surface of the lens barrel 11, a bracket 15 coupled to two sides of the outer surface of the projector 1, and a heat dissipation hole 16 disposed on a bottom surface of the projector 1.

Referring to fig. 2-3, a telescopic hole 22 is formed at the upper end of the outer surface of the lens barrel 11, a cylinder 23 is arranged in the inner cavity of the telescopic hole 22 in a penetrating manner, a baffle 25 is arranged at the lower end of the outer surface of the cylinder 23, a round block 24 is arranged at the upper end of the cylinder 23, a fixing hole 14 is arranged at the upper end of the lens barrel 11, and when the lens cover 2 covers the outer surface of the lens barrel 11, the end of the cylinder 23 arranged at the upper end of the lens cover 2 can be inserted into the inner cavity of the fixing hole 14, so that the lens cover 2 is fixed.

Referring to fig. 3-4, an inner cavity of the lens cover 2 is provided with a telescopic slot 21, a gear 211 is coupled to a wall of the inner cavity of the telescopic slot 21, a first conical tooth 212 is disposed at an upper end of the gear 211, a first rotating shaft 213 is coupled to one side of the inner cavity of the lens cover 2, a second conical tooth 214 is disposed at one end of the first rotating shaft 213, a first belt pulley 215 is disposed at the other end of the first rotating shaft 213, a second belt pulley 217 is coupled to a back surface of the inner cavity of the lens cover 2, a belt 218 is coupled to outer surfaces of the first belt pulley 215 and the second belt pulley 217, a cleaning brush 27 is disposed at a front surface of the second belt pulley 217, a second rotating shaft 216 is disposed at a front surface of the second belt pulley 217, a telescopic rod component 219 is disposed at one end of the second rotating shaft 216, when the lens 12 disposed at the front surface of the projector 1 needs to be used, the lens cover 2 can be pulled, the gear 211 coupled to the inner cavity of the telescopic slot 21 is engaged with the rack 13, so as to rotate the gear 211, the gear 211 rotates and simultaneously drives a first conical tooth 212 arranged at the upper end, the first conical tooth 212 and a second conical tooth 214 meshed with one side are connected, the second conical tooth 214 then drives a first belt pulley 215 arranged at the tail end through a first rotating shaft 213 arranged at one end, the first belt pulley 215 drives a second belt pulley 217 connected at one end through a belt 218 after rotating, and the second belt pulley 217 drives a telescopic rod component 219, so that the cleaning brush 27 arranged at one side of the bottom plate 26 can rotate to clean the surface of the lens 12.

Referring to fig. 4-5, the telescopic rod assembly 219 includes a first rectangular rod 2191, a return spring 2192 is disposed in an inner cavity of the first rectangular rod 2191, a second rectangular rod 2193 is disposed in an inner cavity of the first rectangular rod 2191, a bottom plate 26 is disposed at a tail end of the second rectangular rod 2193, a cleaning brush 27 is disposed on one side of the bottom plate 26, when the lens cover 2 is taken out from an outer surface of the lens barrel 11, the return spring 2192 elastically pushes the second rectangular rod 2193, so that the cleaning brush 27 disposed at one end of the second rectangular rod 2193 can be continuously attached to a surface of the lens 12, and the surface of the lens 12 can be conveniently cleaned.

The working principle is as follows: when the lens 12 arranged on the front of the projector 1 needs to be used, the lens cover 2 can be pulled, the gear 211 axially connected with the inner cavity of the telescopic groove 21 is meshed and connected with the rack 13, thereby the gear 211 rotates, the gear 211 rotates and drives a first conical tooth 212 arranged at the upper end, the first conical tooth 212 and a second conical tooth 214 meshed with one side, the second conical tooth 214 then drives a first belt pulley 215 arranged at the tail end through a first rotating shaft 213 arranged at one end, the first belt pulley 215 rotates and drives a second belt pulley 217 connected with one end through a belt 218, the second belt pulley 217 then drives a telescopic rod component 219, the cleaning brush 27 arranged at one side of the bottom plate 26 can rotate to clean the surface of the lens 12, when the lens cover 2 is taken out of the outer surface of the lens barrel 11, the return spring 2192 elastically pushes the second rectangular bar 2193, and the cleaning brush 27 provided at one end of the second rectangular bar 2193 can be continuously attached to the surface of the lens 12.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 projection lens with rotatory clean protection end cover mounting structure, is provided with lens barrel (11) including projector (1) and projector (1) one side, its characterized in that: a lens (12) is arranged in the inner cavity of the lens barrel (11), a rack (13) is arranged on one side of the outer surface of the lens barrel (11), and a lens cover (2) is sleeved on the outer surface of the lens barrel (11);

the lens cap (2) inner chamber has been seted up flexible groove (21), flexible groove (21) inner chamber wall coupling has gear (211), gear (211) upper end is provided with first toper tooth (212), lens cap (2) inner chamber one side coupling has first rotation axis (213), first rotation axis (213) one end is provided with second toper tooth (214), first rotation axis (213) other end is provided with first belt pulley (215), lens cap (2) inner chamber back coupling has second belt pulley (217), belt (218) have been cup jointed with second belt pulley (217) surface in first belt pulley (215), second belt pulley (217) openly are provided with cleaning brush (27).

2. A projection lens with a rotating cleaning shield end cap mounting structure according to claim 1, wherein: the front surface of the second belt pulley (217) is provided with a second rotating shaft (216), and one end of the second rotating shaft (216) is provided with a telescopic rod component (219).

3. A projection lens with a rotating cleaning shield end cap mounting structure as claimed in claim 2, wherein: the telescopic rod assembly (219) comprises a first rectangular rod (2191), a return spring (2192) is arranged in the inner cavity of the first rectangular rod (2191), and a second rectangular rod (2193) is arranged in the inner cavity of the first rectangular rod (2191).

4. A projection lens with a rotating cleaning shield end cap mounting structure according to claim 3, wherein: the tail end of the second rectangular rod (2193) is provided with a bottom plate (26), and one side of the bottom plate (26) is provided with a cleaning brush (27).

5. A projection lens with a rotating cleaning shield end cap mounting structure according to claim 1, wherein: the upper end of the lens barrel (11) is provided with a fixing hole (14).

6. The projection lens with the rotating cleaning protection end cap mounting structure of claim 5, wherein: the retractable hole (22) is formed in the upper end of the outer surface of the lens barrel (11), a cylinder (23) penetrates through the inner cavity of the retractable hole (22), a baffle (25) is arranged at the lower end of the outer surface of the cylinder (23), and a round block (24) is arranged at the upper end of the cylinder (23).

7. A projection lens with a rotating cleaning shield end cap mounting structure according to claim 1, wherein: the projector is characterized in that supports (15) are connected to two sides of the outer surface of the projector (1) in a shaft mode, and heat dissipation holes (16) are formed in the bottom surface of the projector (1).