CN220491172U

CN220491172U - Projector with lens protection device

Info

Publication number: CN220491172U
Application number: CN202322141365.3U
Authority: CN
Inventors: 张天勇; 曾强
Original assignee: Shenzhen Jiuzhou Zhihe Technology Co ltd
Current assignee: Shenzhen Jiuzhou Zhihe Technology Co ltd
Priority date: 2023-08-10
Filing date: 2023-08-10
Publication date: 2024-02-13
Anticipated expiration: 2033-08-10

Abstract

The utility model discloses a projector with a lens protection device, which comprises a shell and a lens main body arranged in the shell, wherein a projection through hole corresponding to the lens main body is formed in the shell, the lens protection device is arranged on one side of the shell, which is close to the projection through hole, and comprises a baffle piece corresponding to the lens main body, a fixed support arranged on the outer periphery of the lens main body and a sleeve piece arranged on the lens main body, a plurality of damping springs are arranged on the outer periphery of the sleeve piece in a surrounding manner, a magnetic sheet is further arranged at one end, which is close to the projection through hole, of the lens main body, an electromagnet corresponding to the magnetic sheet is arranged at one end, which is close to the lens main body, of the projection through hole, a slot is formed in the electromagnet, and the baffle piece is arranged on the slot in a sliding manner. According to the utility model, the fixing support, the damping spring and the sleeve joint piece are arranged, so that the damping protection effect is achieved when the lens main body is knocked and falls, and the baffle piece with the two groups of flexible cleaning pieces is further arranged, so that the projection surface of the lens main body is cleaned while the scratch of the projection surface of the lens main body is avoided.

Description

Projector with lens protection device

Technical Field

The present utility model relates to the technical field of projectors, and in particular, to a projector with a lens protection device.

Background

A projector, also called a projector, is a device that projects or reflects an image or video onto a screen through digital light processing technology or LCD liquid crystal imaging technology, and can access corresponding image and video signals through different signal sources, such as a computer, a mobile phone, a DVD, and a DV, so as to realize playing.

Along with development of science and technology, in order to make projection technology more press close to life and amusement demand, portable projector is along with the birth, and so-called portable projector, also called pocket type projector, mainly through 3M LCOS RGB three-color projection ray apparatus and decoding technique, exquisite the tradition huge projector is convenient for user's trip carries, but portable projector is because the body is less, easily takes place to collide with and fall or scratch when carrying or using, leads to the camera lens damage, makes the projector unable normal work.

Disclosure of Invention

In view of the above, the present utility model aims at overcoming the drawbacks of the prior art, and its main objective is to provide a projector with a lens protection device, which solves the technical problem that the projector is easy to collide, drop or scratch when being carried or used, and the lens is damaged, so that the projector cannot work normally.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model discloses a projector with a lens protection device, which comprises a shell and a lens main body arranged in the shell, wherein a projection through hole corresponding to the lens main body is formed in the shell, an electromagnet corresponding to the magnetic plate is arranged at one side, close to the projection through hole, of the shell, the lens protection device comprises a baffle corresponding to the lens main body, a fixed support arranged at the outer periphery of the lens main body and a sleeve joint piece arranged on the lens main body, a plurality of damping springs are annularly arranged at the outer periphery of the sleeve joint piece, one end of each damping spring is connected with the sleeve joint piece, the other end of each damping spring is connected with the fixed support, a magnetic plate is further arranged at one end, close to the projection through hole, of the lens main body, an electromagnet corresponding to the magnetic plate is arranged at one end, close to the lens main body, a sensor main body electrically connected with the electromagnet is further arranged in the shell, a slot is formed in the electromagnet, the baffle piece is slidably arranged on the slot, and a driving mechanism is further arranged in the shell, and the baffle is connected with the driving mechanism through a guide slide block.

As a preferable scheme, the driving mechanism is connected with the inner side wall of the shell through a fixed block and comprises a driving motor, a transmission screw connected with the transmission end of the driving motor and a guide rod arranged in the shell and arranged in parallel with the transmission screw, and the guide block is arranged on the guide rod and is in threaded connection with the transmission screw.

As a preferable scheme, the guide sliding block is provided with a connecting lug, the connecting lug is provided with a first mounting groove corresponding to the baffle plate, and the baffle plate is mounted on the first mounting groove through a fastening bolt.

As a preferable scheme, the magnetic sheet is provided with a first avoidance through hole corresponding to the lens main body, and the electromagnet is provided with a second avoidance through hole corresponding to the lens main body.

As a preferable scheme, one end of the baffle close to the lens main body is provided with a flexible cleaning piece.

As a preferable scheme, the flexible cleaning elements are divided into two groups, and the two groups of flexible cleaning elements are respectively arranged at the upper end and the lower end of the baffle.

As a preferred scheme, the fixed bolster includes support column and collar, the one end of support column with the casing inside wall is connected, the other end and the collar of support column are connected, the periphery side equidistant a plurality of installation lugs that are equipped with of socket joint spare, damping spring's one end with the collar is connected, damping spring's the other end with the installation lug is connected.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, in particular, the technical scheme shows that the utility model mainly plays a role in shock absorption and protection when the lens main body is knocked and falls by arranging the fixing support, the shock absorption spring and the sleeve joint piece, and the baffle piece with two groups of flexible cleaning pieces is arranged, so that the damage of the projection surface of the lens main body caused by scratching can be avoided, the projection surface of the lens main body can be cleaned, dust is prevented from entering and adhering to the projection surface of the lens main body, and the projection effect is ensured.

In order to more clearly illustrate the structural features and efficacy of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings and examples.

Drawings

FIG. 1 is a schematic diagram of an assembled structure of an embodiment of the present utility model;

FIG. 2 is a structural view of a lens protecting apparatus according to an embodiment of the present utility model;

FIG. 3 is an exploded view of a lens protection device according to an embodiment of the present utility model;

FIG. 4 is an exploded view of a lens protection device according to another embodiment of the present utility model;

FIG. 5 is an enlarged view of FIG. 3A according to an embodiment of the present utility model.

Reference numerals illustrate:

10. a housing; 11. projecting the through hole; 12. an electromagnet; 121. a slot; 122. a second avoidance through hole;

20. a lens protection device; 21. a barrier; 211. a flexible cleaning member; 22. a fixed bracket; 221. a support column; 222. a mounting ring; 23. a socket; 231. mounting the protruding blocks; 24. a damping spring;

30. a lens body; 31. a magnetic sheet; 311. the first avoidance through hole;

40. a driving mechanism; 41. a guide block; 411. a connection bump; 412. a first mounting groove; 42. a fixed block; 43. a driving motor; 44. a drive screw; 45. a guide rod.

Detailed Description

For the purpose of making the technical solution and advantages of the present utility model more apparent, the present utility model will be further described in detail below with reference to the accompanying drawings and examples of implementation. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Referring to fig. 1 to 5, an embodiment of the present utility model provides a projector with a lens protection device, including a housing 10 and a lens body 30 disposed in the housing 10, wherein a projection through hole 11 corresponding to the lens body 30 is formed in the housing 10, a lens protection device 20 is disposed on one side of the housing 10 near the projection through hole 11, the lens protection device 20 includes a barrier 21 corresponding to the lens body 30, a fixing bracket 22 disposed on an outer peripheral side of the lens body 30, and a socket 23 mounted on the lens body 30, a plurality of damper springs 24 are disposed around an outer peripheral side of the socket 23, one end of each damper spring 24 is connected with the socket 23, the other end of each damper spring 24 is connected with the fixing bracket 22, and plays a role of buffering and damping when the lens body 30 is knocked down, one end of the lens body 30 near the projection through hole 11 is further provided with a magnetic sheet 31, the projection through hole 11 is provided with an electromagnet 12 corresponding to the magnetic sheet 31 at one end close to the lens main body 30, the shell 10 is internally provided with a sensor main body electrically connected with the electromagnet 12, when the projector is in use, the electromagnet 12 is electrified and has magnetism under the normal working state of the projector, the magnetic sheet 31 is adsorbed and fixed on the electromagnet 12, the stabilization of the lens main body 30 is realized, the shaking is avoided, the projection effect is influenced, if the projector is in an abnormal working state when the projector is in use, the electromagnet is stopped to be electrified, the electromagnet 12 loses magnetism, the damping function of the lens protection device 20 is ensured to be effective, the electromagnet 12 is provided with a slot 121, the baffle piece 21 is slidably arranged on the slot 121, the shell 10 is internally provided with a driving mechanism 40, the baffle piece 21 is connected with the driving mechanism 40 through a guide slide block 41, the baffle piece 21 is moved and embedded in the slot 121 under the action of the driving mechanism 40, the lens body 30 is protected from scratch damage.

In this embodiment, the driving mechanism 40 is connected with the inner side wall of the housing 10 through the fixing block 42, the driving mechanism 40 includes a driving motor 43, a driving screw 44 connected with the driving end of the driving motor 43, and a guide rod 45 installed in the housing 10 and parallel to the driving screw 44, the guide block 41 is installed on the guide rod 45 and screwed with the driving screw 44, the driving motor 43 works to move the guide block 41 along the length direction of the driving screw 44 to drive the barrier 21 to approach/separate from the lens main body 30; the guide slide block 41 is provided with a connecting lug 411, the connecting lug 411 is provided with a first mounting groove 412 corresponding to the baffle plate, and the baffle plate is mounted on the first mounting groove 412 through a fastening bolt, so that the assembly, disassembly and maintenance are convenient; the magnetic sheet 31 is provided with a first avoidance through hole 311 corresponding to the lens main body 30, and the electromagnet 12 is provided with a second avoidance through hole 122 corresponding to the lens main body 30, so that the projector can normally perform projection work.

Further, a flexible cleaning member 211 is disposed at one end of the barrier member 21 near the lens body 30, and the barrier member 21 is movably inserted into the slot 121 to prevent the lens body 30 from being scratched and simultaneously clean and wipe the projection surface of the lens body 30; the two groups of flexible cleaning pieces 211 are respectively arranged at the upper end and the lower end of the baffle piece 21, and when the baffle piece 21 is embedded into the slot 121, the two groups of flexible cleaning pieces are matched with the slot 121 to form a closed space, so that dust is prevented from entering and adhering to the projection surface of the lens main body 30; the fixed support 22 includes support column 221 and collar 222, and the one end and the casing 10 inside wall of support column 221 are connected, and the other end and the collar 222 of support column 221 are connected, and the periphery side equidistant of socket 23 is equipped with a plurality of installation lugs 231, and damping spring 24's one end is connected with collar 222, and damping spring 24's the other end is connected with installation lugs 231, utilizes damping spring 24's elasticity, realizes the shock attenuation effect.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the utility model, but any modifications, equivalents, improvements, etc. within the principles of the present utility model should be included in the scope of the present utility model.

Claims

1. The utility model provides a projector with camera lens protection device, includes casing (10) and sets up camera lens main part (30) in casing (10), set up on casing (10) with projection through-hole (11) that camera lens main part (30) correspond, its characterized in that: the lens protection device (20) is arranged on one side, close to the projection through hole (11), of the shell (10), the lens protection device (20) comprises a baffle (21) corresponding to the lens main body (30), a fixed support (22) arranged on the outer periphery of the lens main body (30) and a sleeving part (23) arranged on the lens main body (30), a plurality of damping springs (24) are arranged on the outer periphery of the sleeving part (23) in a surrounding mode, one end of each damping spring (24) is connected with the sleeving part (23), the other end of each damping spring (24) is connected with the fixed support (22), a magnetic sheet (31) is further arranged on one end, close to the projection through hole (11), of the lens main body (30), an electromagnet (12) corresponding to the magnetic sheet (31) is arranged on one end, further, electrically connected with the electromagnet (12), a baffle slot (121) is arranged on the electromagnet (12), the baffle (21) is further provided with a driving mechanism (121) in the shell (10), the baffle (21) is connected with the driving mechanism (40) through a guide slide block (41).

2. A projector with a lens protection device according to claim 1, characterized in that: the driving mechanism (40) is connected with the inner side wall of the shell (10) through a fixed block (42), the driving mechanism (40) comprises a driving motor (43), a transmission screw (44) connected with the transmission end of the driving motor (43) and a guide rod (45) which is arranged in the shell (10) and is parallel to the transmission screw (44), and the guide block (41) is arranged on the guide rod (45) and is in threaded connection with the transmission screw (44).

3. A projector with a lens protection device according to claim 1, characterized in that: the guide sliding block (41) is provided with a connecting lug (411), the connecting lug (411) is provided with a first mounting groove (412) corresponding to the baffle plate, and the baffle plate is mounted on the first mounting groove (412) through a fastening bolt.

4. A projector with a lens protection device according to claim 1, characterized in that: the magnetic sheet (31) is provided with a first avoidance through hole (311) corresponding to the lens main body (30), and the electromagnet (12) is provided with a second avoidance through hole (122) corresponding to the lens main body (30).

5. A projector with a lens protection device according to claim 1, characterized in that: a flexible cleaning member (211) is arranged at one end of the baffle member (21) close to the lens main body (30).

6. A projector with a lens protection device according to claim 5, characterized in that: the two groups of flexible cleaning elements (211) are respectively arranged at the upper end and the lower end of the baffle (21).

7. A projector with a lens protection device according to claim 1, characterized in that: the fixed support (22) comprises a support column (221) and a mounting ring (222), one end of the support column (221) is connected with the inner side wall of the shell (10), the other end of the support column (221) is connected with the mounting ring (222), a plurality of mounting lugs (231) are arranged on the outer periphery side of the sleeve joint piece (23) at equal intervals, one end of the damping spring (24) is connected with the mounting ring (222), and the other end of the damping spring (24) is connected with the mounting lugs (231).