CN214623284U

CN214623284U - High definition projector

Info

Publication number: CN214623284U
Application number: CN202121278813.9U
Authority: CN
Inventors: 曹刚; 李钟鸣; 杨树春
Original assignee: Bullet Beijing Culture Media Co ltd
Current assignee: Bullet Beijing Culture Media Co ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2021-11-05
Anticipated expiration: 2031-06-08

Abstract

The utility model relates to a high definition projector, including the casing and install the protection window on the casing, be provided with the cloth that shelters from that hides the protection window on the casing, the casing is provided with rolling subassembly and pulling subassembly towards the one side that hides the cloth, and the both ends that hide the cloth are arranged in respectively to rolling subassembly and pulling subassembly, and the rolling subassembly is used for will sheltering from the cloth rolling, and the pulling subassembly is arranged in will sheltering from cloth and pulls out and shelter from the protection window from the rolling subassembly. The effect that this application has is on reducing the dust and being infected with the protection window to order about high definition projector and keep good projection effect.

Description

High definition projector

Technical Field

The application relates to the technical field of projection, in particular to a high-definition projector.

Background

The high definition projector is a pixel index of 720P (1280 × 720) or more. The projector is one of the important equipments for work, entertainment and education, and with the continuous innovation of the projector hardware and technology, the popularization of the high definition projector makes the projection picture quality dramatically improved compared with the prior art, and firms the medium position of the projector in the market with various specifications and types.

High definition projector generally includes the casing, has seted up the projection mouth on the lateral wall of casing, and projection mouth department installs the protection window, is provided with projection lens in the casing, and projection lens is towards the protection window.

In view of the above-mentioned related technologies, the inventor finds that, when the high definition projector is not used, one surface of the protection window away from the projection lens is exposed to the outside for a long time, so that a lot of dust can be attached to the protection window, which affects the projection effect of the high definition projector.

SUMMERY OF THE UTILITY MODEL

In order to reduce on the dust is infected with the protection window to order about high definition projector and keep good projection effect, this application provides a high definition projector.

The application provides a high definition projector adopts following technical scheme:

the utility model provides a high definition projector, includes the casing and installs the protection window on the casing, is provided with the cloth that shelters from the protection window on the casing, and the casing is provided with rolling subassembly and pulling subassembly towards the one side that shelters from cloth, and rolling subassembly and pulling subassembly branch are arranged in the both ends that shelter from cloth, and the rolling subassembly is used for sheltering from the cloth rolling, and the pulling subassembly is arranged in will sheltering from cloth and pulls out and shelter from the protection window from the rolling subassembly.

Through adopting above-mentioned technical scheme, when the projector when not using, the rolling subassembly is kept away from to the free end that accessible pulling subassembly ordered about the shielding cloth to the cloth that will shield expandes, and then makes the shielding cloth lay in the place ahead of protection window, and then blocks that the dust is infected with on the protection window, makes high definition projector like this and keeps good projection effect.

Optionally, the winding assembly comprises a winding shaft rotatably connected to the housing, a coil spring is arranged on the winding shaft, and one end of the shielding cloth is fixedly connected to the circumferential surface of the winding shaft.

Through adopting above-mentioned technical scheme, when the shielding plate from the rolling axle when spreading on the protection window, the spring takes place elastic deformation, when the pulling subassembly removes the pulling to sheltering from cloth, the rolling axle receives the effort of spring for the rolling axle takes place to rotate, thereby shelters from cloth winding on the rolling axle, removes sheltering from of cloth to the protection window, and the staff can use the projector this moment.

Optionally, the pulling assembly comprises a rotating shaft and two reels, wherein the rotating shaft is rotatably connected to the shell, the two reels are fixedly connected to the rotating shaft, a string is wound on each reel, the free end of the string is connected to the shielding cloth, and the shell is provided with a micro motor for driving the rotating shaft to rotate.

Through adopting above-mentioned technical scheme, the staff is through starting micro motor to drive the pivot and rotate, two reels of synchronous drive rotate like this, make the string winding on every reel on the reel, and then shelter from cloth through the string pulling and keep away from the rolling subassembly, make and shelter from cloth and shelter from the protection window.

Optionally, the shielding cloth is fixedly connected with a hard plate, and the free end of the string is connected to the hard plate.

Through adopting above-mentioned technical scheme for the hard board supports the expansion to sheltering from cloth, reduces and shelters from the cloth and produces the condition of fold at the removal in-process.

Optionally, the two sides of the shielding cloth are provided with limiting plates which are arranged along the moving direction of the shielding cloth and fixedly connected to the shell, each limiting plate is provided with a slideway facing the shielding cloth, and the two ends of the hard plate are respectively inserted into the two slideways.

Through adopting above-mentioned technical scheme, order about the hard board and can only remove along the length direction of slide for the removal of hard board is more stable.

Optionally, a squeeze roller is arranged on one surface of the shielding cloth, which is away from the shell, pushing pieces connected with the shell are arranged at two ends of the squeeze roller, and the pushing pieces are used for pushing the squeeze roller and clinging the shielding cloth to the shell.

Through adopting above-mentioned technical scheme, reduce the gap that shelters from between cloth and the casing to make external dust be difficult to enter into the casing and shelter from between the cloth, thereby make the effect of sheltering from cloth to the protection window better, make the protection window keep clean more easily.

Optionally, the pushing member includes a U-shaped frame body having two ends fixedly connected to the housing, a slider and a spring for pushing the slider to approach the housing are disposed in the frame body, and the squeeze roller is connected to the slider.

Through adopting above-mentioned technical scheme for the elasticity of spring promotes the slider and is close to the casing, and then drives the squeeze roll and leans on the casing, makes to shelter from cloth and is extruded between casing and squeeze roll, also further reduces the fold on the cloth of sheltering from like this.

Optionally, one end of the frame body penetrates through the guide rod, the guide rod is abutted to the side, deviating from the shell, of the sliding block, the spring is sleeved on the guide rod, and the spring is used for pushing the guide rod to drive the sliding block to be close to the shell.

Through adopting above-mentioned technical scheme, the elasticity of spring is used in on the guide arm, then is promoting the slider by the guide arm and removes, and the guide arm plays the guard action to the spring, and the restriction spring takes place to buckle and damages.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the arrangement of the shell, the protection window, the shielding cloth, the winding assembly and the pulling assembly, when the high-definition projector is in an inoperative state, a worker drives the pulling assembly to enable the shielding cloth to be away from the winding assembly, so that the shielding cloth shields the protection window to reduce dust contacting the protection window, the protection window is kept clean, and the high-definition projector is driven to keep a good projection effect;

2. through pivot, reel, string connection on sheltering from cloth, micro motor's setting, the staff is through starting micro motor to drive the pivot and rotate, two reels of synchronous drive rotate like this, make the string winding on every reel on the reel, and then shelter from cloth through the string pulling and keep away from the rolling subassembly, make shelter from cloth and shelter from the protection window.

Drawings

Fig. 1 is a schematic overall structure diagram of a high definition projector in an embodiment of the present application.

Fig. 2 is a schematic view of an overall structure of the high definition projector after the shielding cloth is hidden in the embodiment of the present application.

Fig. 3 is a schematic view of the overall structure of the rolling assembly in the embodiment of the present application.

Fig. 4 is a cross-sectional view of an engaging ear in an embodiment of the present application.

Fig. 5 is a partially enlarged schematic view of a portion a in fig. 3.

Fig. 6 is a partially enlarged schematic view of a portion B in fig. 3.

Description of reference numerals: 1. a housing; 2. a projection port; 3. a protection window; 4. a winding component; 41. a winding shaft; 42. connecting lugs; 43. an accommodating chamber; 44. a coil spring; 5. a pulling assembly; 51. a rotating shaft; 52. an ear plate; 53. a reel; 54. a string; 55. a micro motor; 6. a shielding cloth; 7. a hard plate; 71. connecting plates; 72. a through hole; 8. a limiting plate; 81. a baffle plate; 82. a connecting plate; 83. a strip-shaped hole; 9. a squeeze roll; 10. a pusher member; 101. fixing the rod; 102. a connecting rod; 103. a slider; 104. a limiting groove; 105. a guide bar; 106. a limiting disc; 107. a spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses high definition projector.

Referring to fig. 1 and 2, a high definition projector includes a housing 1, a projection lens is installed in the housing 1, the projection lens faces a side surface of the housing 1, a projection port 2 is opened on the side surface of the housing 1, the projection port 2 is arranged corresponding to the projection lens, and a protection window 3 is installed in the projection port 2; a winding component 4 and a pulling component 5 are arranged on the shell 1 where the protection window 3 is located, the winding component 4 is located above the protection window 3, and shielding cloth 6 is wound on the winding component 4; the pulling assembly 5 is located below the protection window 3, and the free end of the pulling assembly 5, which is used for pulling the shielding cloth 6, moves downwards, so that the shielding cloth 6 shields the protection window 3.

Referring to fig. 2 and 3, the winding assembly 4 includes a winding shaft 41 horizontally disposed above the protection window 3, the winding shaft 41 is parallel to the side of the housing 1 where the protection window 3 is located, two ends of the winding shaft 41 are respectively sleeved with a connecting lug 42, each connecting lug 42 is fixedly connected to the housing 1, so that the winding shaft 41 is rotatably connected to the housing 1 around its own axis direction; one end of the shielding cloth 6 is wound on the winding shaft 41 and is fixedly connected with the shielding cloth 6; referring to fig. 3 and 4, a cylindrical accommodating cavity 43 is formed inside each connecting lug 42, the accommodating cavity 43 is coaxial with the winding shaft 41, a coil spring 44 is arranged in the accommodating cavity 43, the coil spring 44 is sleeved on the winding shaft 41, one end of the coil spring 44 is fixedly connected to the winding shaft 41, and the other end of the coil spring 44 is fixedly connected to the inner wall of the accommodating cavity 43; when the coil spring 44 is in the natural state, the screen cloth 6 is wound on the winding shaft 41.

One end of the shielding cloth 6, which is far away from the winding shaft 41, is fixedly connected with a hard plate 7, and the hard plate 7 is arranged along the width direction of the shielding cloth 6, so that the shielding cloth 6 is supported by the hard plate 7, and wrinkles of the shielding cloth 6 are reduced.

Pulling subassembly 5 can be connected with hard board 7, pulling subassembly 5 can order about hard board 7 and remove towards the direction of keeping away from rolling axle 41, it is more stable in order to make hard board 7 removal process, so casing 1 is provided with two limiting plates 8 towards hiding on the side of cloth 6, the both sides that hide cloth 6 are arranged respectively in to two limiting plates 8, limiting plate 8 includes the baffle 81 of laying along hiding cloth 6 moving direction, there is the certain distance between baffle 81 and the casing 1, this distance equals the thickness of hard board 7, the equal rigid coupling in both ends of baffle 81 has connecting plate 82, connecting plate 82 also the rigid coupling simultaneously on casing 1, form the slide between baffle 81 and the casing 1 like this, the tip of hard board 7 is inserted and is established in the slide.

With continued reference to fig. 2 and 3, the pulling assembly 5 includes a rotating shaft 51 arranged along the length direction of the winding shaft 41, the rotating shaft 51 is located below the protection window 3, both ends of the rotating shaft 51 are sleeved with lug plates 52, the lug plates 52 are fixedly connected to the housing 1, the rotating shaft 51 is coaxially and fixedly connected with two reels 53, the two reels 53 are correspondingly arranged below the two baffles 81, and each reel 53 is wound with a string 54; referring to fig. 3 and 5, the connecting plate 82 is provided with strip-shaped holes 83, the strip-shaped holes 83 are distributed along the length direction of the baffle plate 81, each strip-shaped hole 83 is provided with a connecting plate 71 fixedly connected to the hard plate 7, the connecting plate 71 is provided with a through hole 72, the through hole 72 is located on one side of the baffle plate 81, which is far away from the hard plate 7, and one end of the string 54 penetrates through the through hole 72 and is tied to the connecting plate 71; one end of the rotating shaft 51 is provided with a micro motor 55, the micro motor 55 is fixedly connected to the shell 1, and an output shaft of the micro motor 55 is coaxially and fixedly connected with the rotating shaft 51.

Referring to fig. 3 and 6, a squeezing roller 9 is arranged on one side of the shielding cloth 6, which is away from the shell 1, the squeezing roller 9 is arranged along the length direction of the winding shaft 41, the squeezing roller 9 is close to the winding shaft 41, and pushing pieces 10 which push the squeezing roller 9 to be attached to the shell 1 are arranged at both ends of the squeezing roller 9; specifically, the pushing member 10 includes two fixing rods 101, the two fixing rods 101 are fixedly connected to the side of the casing 1 facing the shielding cloth 6, a connecting rod 102 is fixedly connected between the two fixing rods 101, the connecting rod 102 is fixedly connected to one end of the fixing rod 101 far away from the casing 1, and the two fixing rods 101 and the connecting rod 102 form a U-shaped frame body with an opening facing the casing 1; a sliding block 103 is arranged between the two fixing rods 101, limiting grooves 104 are formed in the side faces, facing the fixing rods 101, of the sliding blocks 103, and the fixing rods 101 are located in the limiting grooves 104; the sliding block 103 is fixedly connected to the winding shaft 41 or sleeved on the winding shaft 41.

The connecting rod 102 is provided with a guide rod 105 in a penetrating mode, the guide rod 105 is arranged along the length direction of the fixing rod 101, one end, facing the shell 1, of the guide rod 105 abuts against one face, facing away from the shell 1, of the sliding block 103, a limiting disc 106 is fixedly connected to one face, facing the sliding block 103, of the guide rod 105, a spring 107 is sleeved on the guide rod 105, the spring 107 is located between the sliding block 103 and the connecting rod 102, one end of the spring 107 abuts against the limiting disc 106, the other end of the spring 107 abuts against the connecting rod 102, the spring 107 is in a compression state, and therefore the sliding block 103 is driven to be close to the shell 1.

The implementation principle of the high definition projector in the embodiment of the application is as follows: when the projector is not in use, the worker drives the micro motor 55 to rotate the rotating shaft 51 to drive the two reels 53 to synchronously rotate, so that the string 54 on each reel 53 is wound on the reel 53, the shielding cloth 6 is pulled to be away from the winding shaft 41, the shielding cloth 6 is laid in front of the protection window 3, and dust is reduced to be stained on the protection window 3.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A high definition projector which is characterized in that: including casing (1) and install protection window (3) on casing (1), be provided with on casing (1) and shelter from cloth (6) that shelter from protection window (3), casing (1) is provided with rolling subassembly (4) and pulling subassembly (5) towards the one side that shelters from cloth (6), the both ends that shelter from cloth (6) are arranged in to rolling subassembly (4) and pulling subassembly (5) branch, rolling subassembly (4) are arranged in sheltering from cloth (6) rolling, pulling subassembly (5) are arranged in sheltering from cloth (6) and pull out and shelter from protection window (3) from rolling subassembly (4).

2. The high definition projector as claimed in claim 1, wherein: the winding assembly (4) comprises a winding shaft (41) rotatably connected to the shell (1), a coil spring (44) is arranged on the winding shaft (41), and one end of the shielding cloth (6) is fixedly connected to the circumferential surface of the winding shaft (41).

3. The high definition projector as claimed in claim 1, wherein: pulling subassembly (5) including rotate pivot (51), two reels (53) of rigid coupling on pivot (51) of connecting on casing (1), all around being equipped with string (54) on every reel (53), the free end of string (54) is connected on sheltering from cloth (6), installs on casing (1) and orders about pivot (51) pivoted micro motor (55).

4. The high definition projector as claimed in claim 3, wherein: the shielding cloth (6) is fixedly connected with a hard plate (7), and the free end of the thin rope (54) is connected to the hard plate (7).

5. The high definition projector as claimed in claim 4, wherein: the two sides of the shielding cloth (6) are provided with limiting plates (8) which are arranged along the moving direction of the shielding cloth (6) and fixedly connected to the shell (1), each limiting plate (8) is provided with a slideway facing the shielding cloth (6), and the two ends of the hard plates (7) are respectively inserted into the two slideways.

6. The high definition projector as claimed in claim 1, wherein: and one surface of the shielding cloth (6) departing from the shell (1) is provided with an extrusion roller (9), both ends of the extrusion roller (9) are provided with pushing pieces (10) connected with the shell (1), and the pushing pieces (10) are used for pushing the extrusion roller (9) and clinging the shielding cloth (6) to the shell (1).

7. The high definition projector as claimed in claim 6, wherein: the pushing piece (10) comprises a U-shaped frame body, two ends of the U-shaped frame body are fixedly connected to the shell (1), a sliding block (103) and a spring (107) pushing the sliding block (103) to be close to the shell (1) are arranged in the frame body, and the extrusion roller (9) is connected with the sliding block (103).

8. The high definition projector as claimed in claim 7, wherein: wear to be equipped with one end on the support body and lean on guide arm (105) that deviates from casing (1) one side at slider (103), spring (107) cover is established on guide arm (105), and spring (107) are used for promoting guide arm (105) and drive slider (103) and be close to casing (1).