CN214098081U

CN214098081U - Dustproof device of projection lens

Info

Publication number: CN214098081U
Application number: CN202120232742.2U
Authority: CN
Inventors: 谢海忠; 孔庆峰; 彭效冉
Original assignee: Jiangsu Mindstar Laser Display Technology Co ltd
Current assignee: Jiangsu Mindstar Laser Display Technology Co ltd
Priority date: 2021-01-27
Filing date: 2021-01-27
Publication date: 2021-08-31
Anticipated expiration: 2031-01-27

Abstract

The utility model discloses a dust keeper of projection lens, including the joint circle, the adaptation mouth has been seted up to one side of joint circle, the surface connection of joint circle has the mounting, the one end through connection of mounting has the swing joint pole, the torsional spring has been cup jointed on the surface of swing joint pole, swing joint spare's one end fixedly connected with guard ring, the inside through connection of guard ring installs the bearing, the inside through connection of bearing has clean panel, one side of clean panel is provided with sticking area and brush hair piece, the surface of brush hair piece is provided with the brush hair. Through the contact between brush hair and the projection lens, can prevent dust and the dust clearance by the brush hair to the projection lens, simultaneously, at the in-process of clearance camera lens dust, can avoid outside dust to fall to the surface of camera lens, through inclosed clearance space, can strengthen the dustproof deashing effect of camera lens.

Description

Dustproof device of projection lens

Technical Field

The utility model relates to a projection technology field especially relates to a projection lens's dust keeper.

Background

Projection lenses generally refer to alternative engineering projection lenses used on professional projectors. The method is divided into short focuses according to the installation distance of the projector and the size requirement of the size of a playing picture: large pictures are printed in short distance, such as laser televisions, museums, science and technology museums and the like, and the space with smaller installation distance is used; middle coke: generally used in school classrooms, meeting rooms, auditoriums and the like; and (3) long coke: generally used for architectural projection, cinema, court, etc.

However, the existing dust-proof device for the projection lens generally has only a simple dust-proof function due to its simple structure and single function, and cannot clean the dust on the surface of the projection lens.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a dustproof device of projection lens, through the contact between brush hair and the projection lens, can prevent dust and dust clearance by the brush hair to the projection lens, simultaneously, at the in-process of clearance camera lens dust, can avoid outside dust to fall to the surface of camera lens, through inclosed clearance space, can strengthen the dustproof deashing effect of camera lens.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides a projection lens's dust keeper, includes the joint ring, the adaptation mouth has been seted up to one side of joint ring, the surface connection of joint ring has the mounting, the one end through connection of mounting has the swing joint pole, the torsional spring has been cup jointed on the surface of swing joint pole, swing joint spare's one end fixedly connected with guard ring, the inside through connection of guard ring installs the bearing, the inside through connection of bearing has clean panel, one side of clean panel is provided with adhesion area and brush hair piece, the surface of brush hair piece is provided with the brush hair, one side fixed mounting of clean panel has rotatory circle, the top of rotatory circle is seted up flutedly, the inner wall of rotatory circle is provided with the rotary rod.

As an optimal technical scheme of the utility model, the outside of mounting is tangent with swing joint's inner wall laminating, swing joint pole runs through in the inside of swing joint and mounting in proper order.

As an optimal technical scheme of the utility model, the area of adhesion zone and brush hair piece equals, the one end of brush hair is provided with most advanced, the brush hair is provided with a plurality ofly.

As an optimal technical scheme of the utility model, rotatory circle and bearing are with the axle center setting, the height of rotatory circle and the height of guard ring equal.

As an optimized technical solution of the utility model, the following: the degree of depth of recess and rotary rod highly equals, the recess is the dysmorphism groove.

As a preferred technical scheme of the utility model, the rotary rod is provided with two pairs, the top surface of rotary rod and the top surface coplane of rotatory circle.

As an optimal technical scheme of the utility model, the surface of joint ring is provided with the fixture block, the fixture block is the circumference array form about the center pin of joint ring and arranges.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. the utility model discloses a set up a plurality of combs that have the tip, accessible rotation rotary rod, through rotary rod cooperation swivel collar drive brush hair rotation, through the contact between brush hair and the projection lens, can prevent dust and dust clearance by the brush hair to the projection lens, simultaneously, in the process of clearance lens dust, can avoid outside dust to fall to the surface of camera lens, through inclosed clearance space, can strengthen the dustproof deashing effect of camera lens;

2. the utility model discloses a set up the adhesion area, the brush hair piece that has the brush hair is pasted in accessible adhesion area, and the connecting portion between adhesion area and the brush hair piece are the magic subsides and are connected, have made things convenient for the installation and the dismantlement of brush hair piece, through setting up detachable brush hair piece, have greatly promoted the dustproof deashing performance of camera lens.

Drawings

Fig. 1 is a complete structural schematic diagram of the present invention;

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

FIG. 3 is a top view structural diagram of the present invention;

fig. 4 is a front view of the present invention.

Wherein: 1. a clamping ring; 2. an adapter port; 3. a fixing member; 4. a movable connecting rod; 5. a torsion spring; 6. a movable connecting piece; 7. a guard ring; 8. a bearing; 9. cleaning the panel; 10. a pasting area; 11. a bristle piece; 12. brushing; 13. a rotating ring; 14. a groove; 15. rotating the rod; 16. and (7) clamping blocks.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1-4, a dustproof device for a projection lens, including a clamping ring 1, an adaptation port 2 is provided on one side of the clamping ring 1, a fixing member 3 is connected to the surface of the clamping ring 1, a movable connecting rod 4 is connected to one end of the fixing member 3 in a penetrating manner, a torsion spring 5 is sleeved on the surface of the movable connecting rod 4, a movable connecting member 6 is sleeved on the surface of the movable connecting rod 4, a protecting ring 7 is fixedly connected to one end of the movable connecting member 6, a bearing 8 is installed in the protecting ring 7 in a penetrating manner, a cleaning panel 9 is connected to the inside of the bearing 8 in a penetrating manner, a pasting region 10 and a bristle plate 11 are provided on one side of the cleaning panel 9, bristles 12 are provided on the surface of the bristle plate 11, a rotating ring 13 is fixedly installed on one side of the cleaning panel 9, a groove 14 is provided on the top of the rotating ring 13, and a rotating rod 15 is provided on the inner wall of the rotating ring 13.

In other embodiments, the outer side of the fixed part 3 is attached to the inner wall of the movable connecting part 6 in a tangent mode, the movable connecting rod 4 sequentially penetrates through the movable connecting part 6 and the fixed part 3, and the movable connecting rod 4 can be used for movably connecting the movable connecting part 6 and the fixed part 3, so that the movable connecting part 6 can rotate conveniently.

In other embodiments, the area of the pasting region 10 is equal to that of the bristle plate 11, one end of the bristle 12 is provided with a tip, the bristle 12 is provided with a plurality of tips, and by arranging the pasting region 10, a magic tape type connecting portion can be formed by the pasting portion between the pasting region 10 and the bristle plate 11, so that the installation, the detachment and the replacement of the bristle plate 11 are facilitated.

In other embodiments, the rotating ring 13 and the bearing 8 are coaxially arranged, the height of the rotating ring 13 is equal to that of the protecting ring 7, and the rotating ring 13 can be rotated by matching with the bearing 8 by arranging the bearing 8 and the rotating ring 13 coaxially, so that the rotating ring 13 drives the bristles 12 to rotate.

In other embodiments: the degree of depth of recess 14 and rotary rod 15 equals, and recess 14 is the dysmorphism groove, and through setting up recess 14, forms the difference in height between accessible recess 14 and the rotary rod 15, conveniently rotates rotary rod 15.

In other embodiments, two pairs of the rotating rods 15 are provided, the top surface of the rotating rod 15 and the top surface of the rotating ring 13 are coplanar, and by providing the rotating rods 15, the rotating ring 13 can be rotated by the rotating rods 15.

In other embodiments, the surface of the clamping ring 1 is provided with the blocks 16, and the blocks 16 are arranged in a circumferential array around the central axis of the clamping ring 1.

The utility model discloses a theory of operation: during the use, through surface joint between joint ring 1 and the camera lens, during making a video recording, through stirring up protection ring 7, torsional spring 5 that 7 one end of accessible protection ring set up carries on spacingly to protection ring 7, make the bottom surface of protection ring 7 and the side mutually perpendicular of joint ring 1, when clearing up the camera lens, through being close to one side and the joint of joint ring 1 with protection ring 7 and joint ring 1 joint, at this moment, through rotating rod 15 cooperation bearing 8, and simultaneously, through the contact between brush hair 12 and the camera lens surface, dust-proof deashing is carried out to the camera lens through brush hair 12, through setting up adhesion area 10, the adhesion connection that is magic subsides formula between accessible adhesion area 10 and the brush hair piece 11, the installation of brush hair piece 11 has been made things convenient for, dismantle and change.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a projection lens's dust keeper, includes joint ring (1), adaptation mouth (2), its characterized in that have been seted up to one side of joint ring (1): the surface of the clamping ring (1) is connected with a fixing piece (3), one end of the fixing piece (3) is connected with a movable connecting rod (4) in a penetrating way, the surface of the movable connecting rod (4) is sleeved with a torsion spring (5), the surface of the movable connecting rod (4) is sleeved with a movable connecting piece (6), one end of the movable connecting piece (6) is fixedly connected with a protective ring (7), a bearing (8) is arranged in the protective ring (7) in a penetrating way, a cleaning panel (9) is connected in the bearing (8) in a penetrating way, one side of the cleaning panel (9) is provided with a pasting area (10) and a brush hair piece (11), the surface of the bristle sheet (11) is provided with bristles (12), one side of the cleaning panel (9) is fixedly provided with a rotating ring (13), the top of the rotating ring (13) is provided with a groove (14), and the inner wall of the rotating ring (13) is provided with a rotating rod (15).

2. The dustproof device for a projection lens of claim 1, wherein: the laminating of the outside of mounting (3) and the inner wall of swing joint spare (6) is tangent, swing joint pole (4) run through in the inside of swing joint spare (6) and mounting (3) in proper order.

3. The dustproof device for a projection lens of claim 1, wherein: the area of the pasting area (10) is equal to that of the bristle sheet (11), one end of each bristle (12) is provided with a tip, and a plurality of bristles (12) are arranged.

4. The dustproof device for a projection lens of claim 1, wherein: the rotating ring (13) and the bearing (8) are coaxially arranged, and the height of the rotating ring (13) is equal to that of the protective ring (7).

5. The dustproof device for a projection lens of claim 1, wherein: the depth of the groove (14) is equal to the height of the rotating rod (15), and the groove (14) is a special-shaped groove.

6. The dustproof device for a projection lens of claim 1, wherein: the rotary rods (15) are arranged in two pairs, and the top surfaces of the rotary rods (15) and the top surfaces of the rotary rings (13) are coplanar.

7. The dustproof device for a projection lens of claim 1, wherein: the surface of the clamping ring (1) is provided with clamping blocks (16), and the clamping blocks (16) are arranged in a circumferential array mode relative to the central axis of the clamping ring (1).