CN217238588U

CN217238588U - Multifunctional projector suspension device

Info

Publication number: CN217238588U
Application number: CN202221137367.4U
Authority: CN
Inventors: 许文芳; 徐翔; 赵浩; 段亦骏; 余猛
Original assignee: Wuhan Construction Engineering Intelligent Technology Co ltd
Current assignee: Wuhan Construction Engineering Intelligent Technology Co ltd
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2022-08-19
Anticipated expiration: 2032-05-12

Abstract

The utility model discloses a multifunctional projector suspension device, which relates to the technical field of projector installation in building construction sites; the bottom surface of the outer frame is connected with an inner box through a spring net, a projector is placed in a cavity in the inner box, a vertical force releasing assembly is mounted at the top end of the inner box, the top end of the vertical force releasing assembly is fixedly connected with a base, the base is fixed on a ceiling through an expansion bolt, the side surfaces of the inner box are connected with the inner side of the outer frame through horizontal force releasing assemblies, and a plurality of connecting assemblies are mounted on the inner side surface of the outer frame; the whole suspension device can be provided with a member resisting stress in all directions, so that the purpose of stabilizing the suspension device is achieved; the enclosed inner box and the attached ventilation device contained in the box body can play the roles of heat dissipation and dust prevention.

Description

Multifunctional projector suspension device

Technical Field

The utility model belongs to the technical field of the projector installation of construction site, concretely relates to multi-functional projector hanging device.

Background

At present, the traditional projector in the building site is installed on a temporary meeting table in a meeting room and a movable room, and when the projector is used, focal length and angle of mobile equipment are required to be adjusted, so that the projector is inconvenient to use. Meanwhile, due to the fact that the environment of a construction site is severe, dust is very much, timely protection cannot be achieved, and the service life of the projector is seriously influenced. If the projector is hung on the ceiling, the person walking in the adjacent room will cause the projector to shake greatly in the mobile room, and the projector hung becomes a serious unsafe factor.

In view of the above-mentioned problems of the conventional installation method of the projector in the building site, how to provide a convenient, safe, green and environment-friendly installation device and a construction method thereof is a problem to be solved urgently in the technical field.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects and insufficient problems of the prior art, the utility model aims to provide a multifunctional projector suspension device with simple structure, reasonable design and convenient use, which can ensure that the whole suspension device has a component for resisting stress in all directions, thereby achieving the purpose of stability; the enclosed inner box and the attached ventilation device contained in the box can play roles of heat dissipation and dust prevention.

In order to achieve the purpose, the utility model adopts the technical proposal that: the projector comprises an outer frame, an inner box, a base, expansion bolts, a projector, a spring net, a connecting assembly, a vertical force releasing assembly, a horizontal force releasing assembly and a ventilation device; the projector is characterized in that the bottom surface of the outer frame is connected with an inner box through a spring net, a projector is placed in a cavity in the inner box, a vertical force releasing assembly is installed at the top end of the inner box, the top end of the vertical force releasing assembly is fixedly connected with a base, the base is fixed on a ceiling through expansion bolts, the side surface of the inner box is connected with the inner side of the outer frame through a horizontal force releasing assembly, and a plurality of connecting assemblies are installed on the inner side surface of the outer frame.

Preferably, the vertical force release assembly comprises a damping spring and a linkage mechanism; two ends of the damping spring are respectively and fixedly connected with the inner box and the base, two sides of the opposite side of the damping spring are respectively provided with a connecting rod mechanism, and each connecting rod mechanism comprises a vertical connecting lower rod, a vertical connecting upper rod, a vertical fixing block, a roller, a slideway and a rotating shaft; the pair of vertical connecting lower rods which are arranged in a cross rotating mode are hinged and connected together through the rotating shaft and the pair of vertical connecting upper rods which are arranged in a cross rotating mode, the rollers are mounted at the lower ends of the pair of vertical connecting lower rods which are arranged in a cross rotating mode, the rollers are in sliding connection with the slide ways on the upper outer surface of the inner box, the pair of vertical connecting upper rods which are arranged in a cross rotating mode are in rotating connection with the vertical fixing blocks through the hinge pins, and the vertical fixing blocks are in sliding connection with the sliding grooves in the base.

Preferably, the horizontal force releasing assembly comprises a horizontal first spring, a horizontal connecting rod, a horizontal second spring and a horizontal fixing block; the two ends of the horizontal first spring are fixedly connected with the inner side of the outer frame and the outer side of the inner box respectively, the horizontal connecting rod is divided into two sections, the middle of the horizontal connecting rod is connected in a mode that the rotating shaft is hinged, the two ends of the movable horizontal connecting rod are respectively connected with a horizontal second spring and two horizontal fixing blocks, the horizontal second spring is arranged between the two horizontal fixing blocks, the outermost horizontal fixing block is fixed on the inner wall of the outer frame, the innermost horizontal fixing block is fixed on the outer wall of the inner box, and the middle horizontal fixing block is connected with the two ends of the horizontal connecting rod respectively.

Preferably, the ventilation device comprises a fan motor and an air opening; the fan motor is installed in the upper right corner of the inner chamber of the inner box, and forms air circulation with the fence air opening at the lower left corner of the inner box on the other side.

Preferably, the connecting component comprises a bracket, a small bolt and a fixing plate; all welded connection has two fixed plates on every side of frame, the top fixedly connected with of fixed plate nearly word frame, nearly word frame passes through the little bolt fastening on the ceiling.

Preferably, the outer frame is an open box without a top surface, two reinforcing plates are arranged on each side surface of the outer frame, and a projection window is formed between the two reinforcing plates.

Preferably, a clamping groove which is matched with the projector is fixedly arranged at the bottom of the inner cavity of the inner box.

Preferably, the fan motor is electrically connected to the projector.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model forms a stable stress system with the outer frame through 8 fixed plates, and the horizontal force releasing part formed by the horizontal springs and the horizontal connecting rods can effectively release the stress from the horizontal direction; in the same way, a vertical force releasing part formed by the damping spring in the vertical direction and the vertical connecting rod can respond to the stress in the vertical direction; the structure enables the whole suspension device to have a component resisting stress in all directions, thereby achieving the purpose of stability; the structure comprises a closed inner box and an attached ventilation device, and can play a role in heat dissipation and dust prevention.

Drawings

For ease of illustration, the invention is described in detail by the following detailed description and accompanying drawings.

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

FIG. 2 is a schematic view of the top view of the structure A-A of the present invention;

fig. 3 is a schematic view of a local structure of the outer frame of the present invention.

In the figure: frame 1, the first spring 2 of level, inner box 4, fan motor 5, damping spring 6, vertical connection lower beam 7, vertical connection upper beam 8, vertical fixed block 9, base 10, expansion bolts 11, a few style of calligraphy frame 12, little bolt 13, fixed plate 14, gyro wheel 15, slide 16, axis of rotation 17, horizontal connecting rod 18, horizontal second spring 19, horizontal fixed block 20, projector 21, draw-in groove 22, spring net 23, wind gap 24, projection window 25, reinforcing plate 26.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described below with reference to specific embodiments shown in the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

It should also be noted that, in order to avoid obscuring the invention with unnecessary details, only the structures and/or process steps that are closely related to the solution according to the invention are shown in the drawings, while other details that are not relevant to the invention are omitted.

As shown in fig. 1 to fig. 3, the following technical solutions are adopted in the present embodiment: the device comprises an outer frame 1, an inner box 4, a base 10, an expansion bolt 11, a projector 21, a spring net 23, a connecting assembly, a vertical force releasing assembly, a horizontal force releasing assembly and a ventilating device; the bottom surface of the outer frame 1 is connected with an inner box 4 through a spring net 23, a projector 21 is placed in a cavity in the inner box 4, a vertical force releasing assembly is installed at the top end of the inner box 4, the top end of the vertical force releasing assembly is fixedly connected with a base 10, a plurality of waist-shaped holes are formed in the base 10 in a surrounding mode, and expansion bolts 11 penetrate through the waist-shaped holes to fix the whole device on a ceiling; the side of inner box 4 all keeps being connected through the inboard of horizontal power component and frame 1 of releasing, install the several coupling assembling on the medial surface of frame 1.

Further, the vertical force releasing assembly comprises a damping spring 6 and a link mechanism; two ends of the damping spring 6 are fixedly connected with the inner box 4 and the base 10 respectively, and two sides of the opposite side of the damping spring 6 are provided with a connecting rod mechanism respectively, wherein the connecting rod mechanism comprises a vertical connecting lower rod 7, a vertical connecting upper rod 8, a vertical fixing block 9, a roller 15, a slide way 16 and a rotating shaft 17; a pair of vertical connecting lower rods 7 which are arranged in a cross rotating mode are hinged and connected with a pair of vertical connecting upper rods 8 which are arranged in a cross rotating mode through rotating shafts 17, idler wheels 15 are mounted at the lower ends of the pair of vertical connecting lower rods 7 which are arranged in a cross rotating mode, the idler wheels 15 are in sliding connection with slideways 16 on the upper outer surface of the inner box 4, the pair of vertical connecting upper rods 8 which are arranged in a cross rotating mode are in rotating connection with vertical fixing blocks 9 through hinge pins, and the vertical fixing blocks 9 are in sliding connection with sliding grooves in the base 10.

When the vertical force acts, after the vertical upper rod 8 and the vertical lower rod 7 are stressed, the slow release and the offset of the vertical force are realized by changing an included angle (a sliding groove of a vertical fixing block 9 slides on a base 10, a roller 15 slides on a slideway 16 on the upper outer surface of the inner box 4) and the extension and retraction of the damping spring 6; the spring net 23 between the inner box bottom and the outer frame bottom can also relieve the vertical force.

Further, the horizontal force releasing assembly comprises a horizontal first spring 2, a horizontal connecting rod 18, a horizontal second spring 19 and a horizontal fixing block 20; the two ends of the horizontal first spring 2 are respectively fixedly connected with the inner side of the outer frame 1 and the outer side of the inner box 4, the horizontal connecting rod 18 is divided into two sections, the middle of the horizontal connecting rod is connected in a mode of hinging through a rotating shaft 17, two ends of a movable horizontal connecting rod 18 are respectively connected with a horizontal second spring 19 and two horizontal fixing blocks 20, the horizontal second spring 19 is arranged between the two horizontal fixing blocks 20, the outermost horizontal fixing block 20 is fixed on the inner wall of the outer frame 1, the innermost horizontal fixing block 20 is fixed on the outer wall of the inner box 4, and the middle horizontal fixing block 20 is respectively connected with two ends of the horizontal connecting rod 18.

When the horizontal force is applied, the slow release and the offset of the force in the horizontal direction are realized through the extension and contraction of the horizontal connecting rod 18 with 4 surfaces and the extension and contraction of the horizontal first spring 2 and the horizontal second spring 19, and the aim of balancing and stabilizing the whole device is fulfilled.

Further, the ventilation device includes a fan motor 5 and an air opening 24; the fan motor 5 is installed in the upper right corner of the inner chamber of the inner box 4, and forms air circulation with the fence air opening 24 at the lower left corner of the inner box 4 on the other side, so that a good ventilation effect is achieved.

Further, the connecting assembly comprises a bracket 12, a small bolt 13 and a fixing plate 14; each side surface of the outer frame 1 is welded with two fixing plates 14, the top ends of the fixing plates 14 are fixedly connected with n-shaped frames 12, and the n-shaped frames 12 are fixed on a ceiling through small bolts 13.

The outer frame 1 and the vertical fixing plate 14 form a stable stress system, and mainly bear the gravity of the internal components and the thrust in the horizontal direction.

Further, the outer frame 1 is an open box without a top surface, two reinforcing plates 26 are disposed on each side surface of the outer frame 1, a projection window 25 is formed between the two reinforcing plates 26, and the projection lens of the projector 21 can project outward through the projection window 25.

Further, a clamping groove 22 which is mutually matched with the projector 21 is fixedly arranged at the bottom of the inner cavity of the inner box 4, so that the effect of stabilizing the projector 21 is achieved.

Further, the fan motor 5 is electrically connected to the projector 21.

The working principle of the specific embodiment is as follows: the base 10 and the cabinet 12 of the suspension device are fixedly installed on the ceiling by bolts. When the shock absorber meets with vibration, the damping spring 6 and the spring net 23 can effectively relieve the force in the vertical direction. Meanwhile, the vertical connecting lower rod 7 and the vertical connecting upper rod 8 can contract and extend in the vertical direction within a certain range, and vertical force is released. The four sides of the inner box 4 and the outer frame 1 in the horizontal direction are all provided with the horizontal first springs 2, and a connecting system formed by the rotating shaft 17, the horizontal connecting rod 18, the horizontal second spring 19 and the horizontal fixing block 20 can release the force in the horizontal direction to a great extent. The projector 21 is placed in the inner box 4 to form a closed space, and is provided with the fan motor 5 and the air opening 24, so that good ventilation is realized and effective water and dust prevention can be realized.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art will be able to make the description as a whole, and the embodiments may be appropriately combined to form other embodiments as will be apparent to those skilled in the art.

Claims

1. A multifunctional projector suspension device is characterized in that: the device comprises an outer frame (1), an inner box (4), a base (10), expansion bolts (11), a projector (21), a spring net (23), a connecting assembly, a vertical force releasing assembly, a horizontal force releasing assembly and a ventilating device; the bottom surface of frame (1) is connected with inner box (4) through spring net (23), and projector (21) have been placed to inner box (4) interior cavity, vertical power component that releases is installed on the top of inner box (4), and the top and base (10) of vertical power component that releases keep fixed connection, base (10) are fixed on the ceiling through expansion bolts (11), the side of inner box (4) all releases the inboard of power component and frame (1) through the level and keeps being connected, install several coupling assembling on the medial surface of frame (1).

2. The multifunctional projector suspension device of claim 1, wherein: the vertical force releasing assembly comprises a damping spring (6) and a link mechanism; two ends of the damping spring (6) are respectively fixedly connected with the inner box (4) and the base (10), two sides of the opposite side of the damping spring (6) are respectively provided with a connecting rod mechanism, and each connecting rod mechanism comprises a vertical connecting lower rod (7), a vertical connecting upper rod (8), a vertical fixing block (9), a roller (15), a slide way (16) and a rotating shaft (17); a pair of vertical connection lower rods (7) which are arranged in a crossed rotating mode are hinged to a pair of vertical connection upper rods (8) which are arranged in a crossed rotating mode through rotating shafts (17), idler wheels (15) are mounted at the lower ends of the pair of vertical connection lower rods (7) which are arranged in a crossed rotating mode, the idler wheels (15) are in sliding connection with sliding rails (16) on the upper outer surface of an inner box (4), the pair of vertical connection upper rods (8) which are arranged in a crossed rotating mode are in rotating connection with vertical fixing blocks (9) through hinge pins, and the vertical fixing blocks (9) are in sliding connection with sliding grooves in a base (10).

3. The multifunctional projector suspension device of claim 1, wherein: the horizontal force releasing assembly comprises a horizontal first spring (2), a horizontal connecting rod (18), a horizontal second spring (19) and a horizontal fixing block (20); the two ends of the horizontal first spring (2) are respectively fixedly connected with the inner side of the outer frame (1) and the outer side of the inner box (4), the horizontal connecting rod (18) is divided into two sections, the middle of the horizontal connecting rod is connected in a mode of hinging by adopting a rotating shaft (17), two ends of the movable horizontal connecting rod (18) are respectively connected with a horizontal second spring (19) and two horizontal fixing blocks (20), the horizontal second spring (19) is arranged in the middle of the two horizontal fixing blocks (20), the outermost horizontal fixing block (20) is fixed on the inner wall of the outer frame (1), the innermost horizontal fixing block (20) is fixed on the outer wall of the inner box (4), and the middle horizontal fixing block (20) is respectively connected with two ends of the horizontal connecting rod (18).

4. The multifunctional projector suspension device of claim 1, wherein: the ventilation device comprises a fan motor (5) and an air opening (24); a fan motor (5) is arranged at the upper right corner of the inner cavity of the inner box (4) and forms air circulation with a fence air port (24) at the lower left corner of the inner box (4) on the other surface.

5. The multifunctional projector suspension device of claim 1, wherein: the connecting component comprises a bracket (12), a small bolt (13) and a fixing plate (14); all welded connection has two fixed plates (14) on every side of frame (1), the top fixedly connected with of fixed plate (14) nearly word frame (12), nearly word frame (12) are fixed on the ceiling through little bolt (13).

6. The multifunctional projector suspension device of claim 1, wherein: the outer frame (1) is an open box without a top surface, two reinforcing plates (26) are arranged on each side surface of the outer frame (1), and a projection window (25) is formed in the middle of each reinforcing plate (26).

7. The multifunctional projector suspension device of claim 1, wherein: and a clamping groove (22) which is mutually matched with the projector (21) is fixedly arranged at the bottom of the inner cavity of the inner box (4).

8. The multifunctional projector suspension device of claim 4, wherein: the fan motor (5) is electrically connected with the projector (21).