Digital media projection equipment

Abstract

The utility model discloses digital media projection equipment in the technical field of teaching devices, which comprises a projection equipment main body and a fixed disc, a bearing plate is assembled at the top end of the projection equipment main body, and an adjusting cylinder is assembled at the bottom end of the fixed disc; an adjusting rod is assembled in the adjusting cylinder, and a fixing body is installed at the end of the adjusting rod. A matching sliding groove is formed in the lower side wall of the fixing body, a matching sliding block is assembled at the top end of the bearing plate, and the matching sliding block is installed in the matching sliding groove; a limiting plate is installed at the end of the matched sliding block, the limiting plate is attached to the front side wall of the fixing body, and the limiting plate and the fixing body are connected through a clamping structure. Through the arrangement of the digital media projection equipment, the projection equipment main body can be quickly taken down when dust on the surface of the projection equipment main body is much or the projection equipment main body breaks down, so that a worker can conveniently clean, check, detect and maintain the projection equipment main body, and the requirements of a user are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to teaching device technical field, concretely is a kind of digital media projection equipment. BACKGROUND

[0002] The existing projection module is a display device for generating large-size screen, and the imaging principle of the projection device is to convert the illumination beam generated by the light source into image beam through the light valve, and then convert the image beam into projection beam through the projection lens, and project it onto the screen or wall surface;

[0003] The projection device in the prior art is generally fixed on the wall by bolts, and since the height of the multimedia projection device is generally high, when the surface of the multimedia projection device is covered with dust or the multimedia projection device fails, the multimedia projection device cannot be quickly removed, so that the staff cannot conveniently clean, check, detect and maintain, and therefore the prior art needs to be improved. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of digital media projection equipment to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of digital media projection equipment, including projection equipment main body and fixed disc, the top of the projection equipment main body is equipped with bearing plate, the bottom of the fixed disc is equipped with adjusting cylinder;

[0006] The inside of the adjusting cylinder is equipped with adjusting rod, and the end of the adjusting rod is installed with fixed body;

[0007] The lower side wall of the fixed body is provided with a matching sliding groove, the top of the bearing plate is equipped with a matching sliding block, and the matching sliding block is installed in the matching sliding groove;

[0008] The end of the matching sliding block is installed with a limiting plate, the limiting plate is attached to the front side wall of the fixed body, and the limiting plate and the fixed body are connected by a clamping structure;

[0009] The two side outer walls of the matching sliding block are provided with receiving cavities, the inside of the receiving cavity is installed with a limiting assembly, and the two side inner walls of the matching sliding groove are provided with limiting cavities.

[0010] As a preferred digital media projection equipment of the utility model, the limiting assembly includes a fixed plate installed inside the receiving cavity, the side wall of the fixed plate is installed with a telescopic rod, the end of the telescopic rod is installed with a universal seat, the inside of the universal seat is installed with a universal ball, and the universal ball is located at one end outside the universal seat and is set in the limiting cavity.

[0011] As a kind of digital media projection equipment preferred of the utility model, the outside of telescopic link is sleeved with spring between fixed plate and universal seat.

[0012] As a kind of digital media projection equipment preferred of the utility model, the clamping structure includes clamping block installed in the side wall of limiting plate and clamping groove opened in the side wall of fixed body, and the clamping block is clamped in the clamping groove.

[0013] As a kind of digital media projection equipment preferred of the utility model, the clamping block is internally provided with elastic member.

[0014] As a kind of digital media projection equipment preferred of the utility model, the outer wall of adjusting cylinder is provided with positioning screw hole at one end of cylinder mouth, the outer wall of adjusting rod is uniformly and equidistantly provided with positioning screw groove from top to bottom, and the positioning screw hole and the positioning screw groove are internally screwed with positioning screw rod.

[0015] As a kind of digital media projection equipment preferred of the utility model, the cross-sectional area of limiting plate is greater than that of matching sliding groove.

[0016] Compared with prior art, the digital media projection equipment has the advantages that the structure design is reasonable,

[0017] By setting fixed body and bearing plate between projection equipment main body and fixed disc, and through the cooperation of matching sliding block, matching sliding groove and limiting assembly between fixed body and bearing plate, when the surface of projection equipment main body is covered with more dust or the projection equipment main body fails, the projection equipment main body can be quickly removed, so that the staff can clean, check, detect and maintain, to meet the needs of users. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the structural schematic diagram of the utility model;

[0019] Figure 2 It is the schematic diagram of bearing plate and fixed body of the utility model;

[0020] Figure 3 It is the schematic diagram of limiting assembly of the utility model;

[0021] Figure 4 It is the schematic diagram of clamping mechanism of the utility model.

[0022] In the figure: 1, the projection device main body; 2, the bearing plate; 3, the fixed body; 4, the adjusting rod; 5, the adjusting cylinder; 6, the fixed disc; 7, the limiting plate; 8, the matched sliding block; 9, the matched sliding groove; 10, the storage cavity; 11, the limiting assembly; 111, the fixed plate; 112, the limiting cavity; 113, the spring; 114, the universal ball; 115, the universal seat; 12, the storage cavity; 13, the positioning screw groove; 14, the positioning screw hole; 15, the positioning screw; 16, the clamping block; 17, the clamping groove; 18, the elastic piece. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0024] Please refer to Figures 1-4 The utility model provides a technical scheme:

[0025] In the technical scheme, a digital media projection device comprises a projection device main body 1 and a fixed disc 6, the top end of the projection device main body 1 is equipped with a bearing plate 2, and the bottom end of the fixed disc 6 is equipped with an adjusting cylinder 5; the inside of the adjusting cylinder 5 is equipped with an adjusting rod 4, and the end of the adjusting rod 4 is installed with a fixed body 3; the lower side wall of the fixed body 3 is provided with a matched sliding groove 9, the top end of the bearing plate 2 is equipped with a matched sliding block 8, and the matched sliding block 8 is installed in the matched sliding groove 9; the end of the matched sliding block 8 is installed with a limiting plate 7, the limiting plate 7 is attached to the front side wall of the fixed body 3, and the limiting plate 7 and the fixed body 3 are connected through a clamping structure; the two side outer walls of the matched sliding block 8 are provided with a storage cavity 10, the inside of the storage cavity 10 is installed with a limiting assembly 11, the two side inner walls of the matched sliding groove 9 are provided with a limiting cavity 12, and the cross-sectional area of the limiting plate 7 is greater than that of the matched sliding groove 9;

[0026] In the technical scheme, the fixed disc 6 is installed on the top plate of the projection device installation house, the adjusting rod 4 can move in the adjusting cylinder 5, thereby adjusting the height of the projection device main body 1 on the fixed disc 6, the matched sliding block 8 on the bearing plate 2 can slide in the matched sliding groove 9 in the fixed body 3, thereby realizing the movement of the projection device main body 1 on the fixed disc 6, the limiting assembly 11 is used for limiting the matched sliding block 8 in the matched sliding groove 9, when the matched sliding block 8 is in the matched sliding groove 9, the limiting plate 7 can be attached to and connected with the side wall of the fixed body 3, thereby fixing the matched sliding block 8 in the matched sliding groove 9, and the limiting plate 7 and the fixed body 3 are fixed through the clamping mechanism.

[0027] In some technical solutions, the limiting component 11 comprises a fixed plate 111 installed inside the receiving cavity 10, a telescopic rod 112 is installed on the side wall of the fixed plate 111, a universal seat 115 is installed at the end of the telescopic rod 112, a universal ball 114 is installed inside the universal seat 115, and the universal ball 114 is arranged in the limiting cavity 12 at one end outside the universal seat 115; a spring 113 is sleeved outside the telescopic rod 112 between the fixed plate 111 and the universal seat 115.

[0028] In this technical solution, the universal ball 114 is tightly limited in the limiting cavity 12 through the cooperation of the telescopic rod 112 and the spring 113, and the rolling in the limiting cavity 12 can be realized through the fixation of the universal ball 114 in the universal seat 115.

[0029] In some technical solutions, the clamping structure comprises a clamping block 16 installed on the side wall of the limiting plate 7 and a clamping groove 17 opened on the side wall of the fixed body 3, and the clamping block 16 is clamped in the clamping groove 17.

[0030] In this technical solution, the limiting plate 7 and the side wall of the fixed body 3 can be connected and fixed by clamping the clamping block 16 into the clamping groove 17.

[0031] In some technical solutions, an elastic member 18 is installed inside the clamping block 16.

[0032] In this technical solution, the elasticity of the clamping block 16 can be improved through the arrangement of the elastic member 18, so that the clamping block 16 can be conveniently put in and out of the clamping groove 1.

[0033] In some technical solutions, a positioning screw hole 14 is opened at one end of the outer wall of the adjusting cylinder 5, positioning screw grooves 13 are uniformly and equidistantly opened from top to bottom on the outer wall of the adjusting rod 4, and a positioning screw 15 is screwed in the positioning screw hole 14 and the positioning screw groove 13.

[0034] In this technical solution, the position of the adjusting rod 4 in the adjusting cylinder 5 is fixed by corresponding the positioning screw hole 14 to the positioning screw groove 13 and fixing by the positioning screw 15.

[0035] Working principle: in use, the whole is fixed to the specified position of the top plate through the fixed disc 6, then the position of the adjusting rod 4 in the adjusting cylinder 5 is adjusted according to the projection height, and then the height of the projection equipment main body 1 on the fixed disc 6 is adjusted, when the projection equipment main body 1 needs to be maintained, the limiting plate 7 is taken off from the side wall of the fixed body 3 by pulling the projection equipment main body 1 outward, and the sliding block 8 is matched to slide out of the sliding groove 9, so that the projection equipment main body 1 can be taken off for maintenance, after maintenance, the sliding block 8 is slid into the sliding groove 9 again, and the limiting plate 7 is installed on the side wall of the fixed body 3 through the clamping structure, so that the projection equipment main body 1 can be installed to the original position.

[0036] It is to be noted that, in the present text, relational terms such as first and second and the like can 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. Moreover, 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 can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0037] Although the present application has been described with reference to the embodiments above, it is possible to make various modifications thereto and to replace components thereof with equivalents without departing from the scope of the present application. In particular, each feature disclosed in the embodiments of the present application can be used in combination with any other feature disclosed in the embodiments of the present application, provided that there is no structural conflict. The combinations of features are not exhaustively described in the present specification only for the sake of brevity and resource saving. Therefore, the present application is not limited to the specific embodiments disclosed herein but encompasses all technical solutions falling within the scope of the claims.

Claims

1. A digital media projection device, comprising a projection device body (1) and a fixed disk (6), characterized in that: The top end of the projection device body (1) is equipped with a carrier plate (2), and the bottom end of the fixed plate (6) is equipped with an adjustment cylinder (5); The adjusting cylinder (5) is internally equipped with an adjusting rod (4), and the end of the adjusting rod (4) is mounted with a fixing body (3); The lower side wall of the fixed body (3) is provided with a matching slide groove (9), the top end of the carrying plate (2) is equipped with a matching slider (8), and the matching slider (8) is installed in the matching slide groove (9); A limit plate (7) is installed at the end of the matching slider (8), the limit plate (7) is arranged in contact with the front side wall of the fixed body (3), and the limit plate (7) and the fixed body (3) are connected via a clamping structure; The outer walls on both sides of the matching slider (8) are provided with a receiving cavity (10), a limiting component (11) is installed inside the receiving cavity (10), and the inner walls on both sides of the matching slide groove (9) are provided with a limiting cavity (12).

2. The digital media projection device according to claim 1, characterized in that: The limiting assembly (11) comprises a fixing plate (111) installed inside the storage cavity (10); a telescopic rod (112) is installed on the side wall of the fixing plate (111); a universal seat (115) is installed at the end of the telescopic rod (112); a universal ball (114) is installed inside the universal seat (115); and one end of the universal ball (114) located outside the universal seat (115) is arranged in the limiting cavity (12).

3. The digital media projection device according to claim 2, wherein: The outside of the telescopic rod (112) is located between the fixed plate (111) and the universal seat (115) and is provided with a spring (113).

4. The digital media projection device according to claim 1, wherein: The clamping structure comprises a clamping block (16) mounted on the side wall of the limiting plate (7) and a clamping slot (17) provided on the side wall of the fixed body (3), wherein the clamping block (16) is clamped in the clamping slot (17).

5. The digital media projection device according to claim 4, characterized in that: An elastic member (18) is installed inside the clamping block (16).

6. The digital media projection device according to claim 1, characterized in that: The outer wall of the adjusting cylinder (5) is provided with a positioning screw hole (14) at one end of the cylinder mouth, and the outer wall of the adjusting rod (4) is provided with positioning screw grooves (13) evenly and equidistantly from top to bottom. The interiors of the positioning screw hole (14) and the positioning screw groove (13) are screwed with positioning screw rods (15).

7. The digital media projection device according to claim 1, characterized in that: The cross-sectional area of ​​the limiting plate (7) is larger than the cross-sectional area of ​​the matching sliding groove (9).

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