CN216530835U - Waterproof 3D holographic screen structure - Google Patents

Abstract

The utility model belongs to the technical field of advertising media, and particularly relates to a waterproof 3D holographic screen structure which comprises an outer shell, an inner shell, a motor, a rotary connecting seat, a PCB (printed circuit board) and a plurality of lamp panels, wherein the outer shell is provided with a plurality of connecting holes; the outer shell and the inner shell are both of a cylinder structure with one end of the cylinder structure being an opening structure; the inner shell is arranged in the outer shell, the opening of the inner shell faces to the same side, and a drainage gap is formed between the outer wall of the inner shell and the inner wall of the outer shell; the motor is arranged in the inner shell; the rotary connecting seat is arranged at one end of a rotating shaft of the motor; a water retaining ring extending into the drainage gap is arranged on the inner side of the rotary connecting seat; the lamp panels are arranged at equal intervals along the rotary connecting seat, and each lamp panel is provided with an LED lamp bead; the PCB board is electrically connected with the LED lamp beads on the lamp panel and is used for controlling the LED lamp beads. Can prevent effectively that the rainwater from entering into in the motor, reach and play the guard action to the inside electronic components of motor, avoid intaking impaired, improve its life.

Description

Waterproof 3D holographic screen structure

Technical Field

The utility model belongs to the field of advertisement media, and particularly relates to a waterproof 3D holographic screen structure.

Background

The advertisement screen is used for advertising media; most of the existing advertising screens are LED screens, which are relatively traditional and heavy. In chinese patent literature, publication No. CN208796649U discloses a rotary holographic display device, which includes a fixing component, a rotating component and a driving component; the fixing assembly comprises a first base body, a first PCB and a first coil, a first accommodating space is formed in the first base body, the first coil and the first PCB are both arranged in the first accommodating space, and the first coil is electrically connected with the first PCB; the rotating assembly comprises a second base body, a light bar PCB, a second PCB and a second coil, wherein the light bar PCB, the second PCB and the second coil are all arranged on the second base body; the first base body is connected with the second base body through a driving piece, the driving piece is located in the first accommodating space, and the driving piece can drive the second base body to rotate relative to the first base body; the second coil is located in the first accommodating space and coupled with the first coil. First PCB board and first coil all are located the first accommodation space of first base member in the fixed subassembly, second coil in the rotating assembly also is located first accommodation space simultaneously, the transmission of electric energy is realized through the mode of coupling to second coil and first coil, promptly after first coil circular telegram in the fixed subassembly, induced current will be produced in the second coil, thereby realize the power supply to second PCB board and lamp strip PCB board, the volume of non-rotating part has greatly been reduced to this kind of structure, holographic display's perspective has been improved greatly, make the display effect better, and more do benefit to the perspective effect when improving the maximization concatenation demonstration. So as to realize the screen projection effect. Then, the display screen is usually used outdoors, for example, in an outdoor power tower, a communication tower and an outdoor building, and the display screen often encounters a rainy day outdoors, so that rainwater enters into the motor, and electronic components such as the motor are damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a waterproof 3D holographic screen structure, and aims to solve the problem that an existing rotary holographic display device used outdoors is easy to enter water, so that internal electronic components are damaged.

In order to achieve the purpose, the waterproof 3D holographic screen structure provided by the embodiment of the utility model comprises an outer shell, an inner shell, a motor, a rotary connecting seat, a PCB and a plurality of lamp panels; the outer shell and the inner shell are both cylinder structures with one ends of opening structures; the inner shell is arranged in the outer shell, the opening of the inner shell faces to the same side, and a drainage gap is formed between the outer wall of the inner shell and the inner wall of the outer shell; the motor is arranged in the inner shell; the rotary connecting seat is arranged at one end of a rotating shaft of the motor; a water retaining ring extending into the drainage gap is arranged on the inner side of the rotary connecting seat; the lamp panels are arranged at equal intervals along the rotary connecting seat, and each lamp panel is provided with an LED lamp bead; the PCB board is electrically connected with the LED lamp beads on the lamp panel and is used for controlling the LED lamp beads.

Furthermore, the inboard of swivelling joint seat still is provided with and extends to the extension circle in the oral area of inner shell, the oral area of inner shell stretches into extend circle with in the clearance between the manger plate circle.

Further, the inner ring of the water retaining ring is provided with a conical surface, and the large end formed by the conical surface faces the opening of the inner shell.

Furthermore, the bottom sides of the outer shell and the inner shell are both provided with drain holes.

Furthermore, a cushion block is further arranged between the inner shell and the outer shell, and a locking screw penetrates through the outer shell, the cushion block and the inner shell in sequence.

Furthermore, the outer rings of the outer shell, the inner shell and the water retaining ring are all conical surfaces, and the opening part is the large end of a cone.

Furthermore, the conicity of the outer ring of the outer shell, the inner shell and the water retaining ring is 2-5 degrees.

Furthermore, the back surface of the shell is also provided with a connecting seat, and the connecting seat comprises a base and a limiting seat; the base is fixedly arranged on the back of the shell and provided with an open slot, and two sides of the opening part of the open slot are bent inwards to form two limiting parts; the limiting seat comprises two connecting side plates arranged in parallel and two parallel limiting side plates, and one end of each connecting side plate is bent to form a limiting plate connected with the limiting side plate; a locking plate is connected between the two limiting side plates, and a screw hole is formed in the locking plate; the two connecting side plates are arranged in the open grooves and connected through bolts; the limiting plate is limited on the inner side of the limiting part.

Further, the equidistance of swivelling joint seat has four installation departments to the peripheral extension, each be provided with on the leading flank of installation department the lamp plate.

Furthermore, the back side surface of each installation part is provided with a wind guide angle and a wind knife, the wind knife is provided with an inclined surface, and a cutting edge formed by the inclined surface of the wind knife is arranged close to one end of the wind guide angle.

One or more technical solutions in the waterproof 3D holographic screen structure provided by the embodiment of the present invention at least have the following technical effects:

1. in rainy days, when rainwater drops on the rotary connecting seat, most of the water can be thrown out through the rotary water retaining ring, and a small part of the rainwater enters a drainage gap formed between the outer wall of the inner shell and the inner wall of the outer shell along the outer wall of the water retaining part, flows downwards and is discharged from the drainage gap; therefore, rainwater is effectively prevented from entering the motor, electronic components inside the motor are protected, damage caused by water inflow is avoided, and the service life of the motor is prolonged.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a structural diagram of a waterproof 3D holographic screen structure provided in an embodiment of the present invention.

Fig. 2 is a sectional view of a waterproof 3D holographic screen structure provided by an embodiment of the present invention.

Fig. 3 is a partially enlarged view of fig. 2.

Fig. 4 is a back structure view of the waterproof 3D holographic screen structure provided by the embodiment of the present invention.

Fig. 5 is an exploded view of a waterproof 3D holographic screen structure provided by an embodiment of the present invention.

Fig. 6 is a structural diagram of the rotating connection base portion of the waterproof 3D holographic screen structure provided in the embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the embodiments of the present invention, and should not be construed as limiting the utility model.

In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. Specific meanings of the above terms in the embodiments of the present invention can be understood by those of ordinary skill in the art according to specific situations.

In one embodiment of the present invention, referring to fig. 1 to 6, a waterproof 3D holographic screen structure is used for outdoor buildings such as outdoor power towers and communication towers to achieve the function of outdoor advertisement media. Specifically, it includes outer shell 100, inner shell 200, motor 300, swivelling joint seat 400, PCB board 500 and multi-piece lamp plate 600. The outer shell 100 and the inner shell 200 are both of a cylindrical structure with an open end. The inner casing 200 is disposed in the outer casing 100 and has an opening facing the same side, and a drainage gap 101 is formed between an outer wall of the inner casing 200 and an inner wall of the outer casing 100. The motor 300 is disposed in the inner case 200. The rotary connection holder 400 is provided at one end of a rotation shaft of the motor 300. The inner side of the rotary connecting seat 400 is provided with a water retaining ring 410 extending into the drainage gap 101; the lamp panels 600 are equidistantly arranged along the rotary connecting seat 400, and each lamp panel 600 is provided with an LED lamp bead 601; the PCB board 500 is electrically connected to each of the LED lamp beads 601 on the lamp panel 600, and is configured to control each of the lamp beads 601. In the waterproof 3D holographic screen of the embodiment, in rainy weather, when rainwater drops on the rotary connection seat 400, most of the water is thrown out through the rotary water retaining ring 410, and a small part of the rainwater enters the drainage gap 101 formed between the outer wall of the inner shell 200 and the inner wall of the outer shell 100 along the outer wall of the water retaining part 410, flows downwards and is discharged from the drainage gap; therefore, rainwater is effectively prevented from entering the motor 300, electronic components inside the motor 300 are protected, damage caused by water inflow is avoided, and the service life of the motor is prolonged. Therefore, the waterproof 3D holographic screen can be popularized and used outdoors. Wherein the PCB board 500 is disposed inside the rotary connector holder 400.

Further, referring to fig. 1 to 3 and fig. 6, an extension ring 420 extending into the mouth of the inner housing 200 is further disposed on the inner side of the rotating connection seat 400, and the mouth of the inner housing 200 extends into a gap between the extension ring 420 and the water retaining ring 410. In this embodiment, the water retaining ring 410 is effectively prevented from directly falling into the motor 300.

Further, referring to fig. 2 and 3, the inner ring of the water retaining ring 410 is provided with a conical surface 411, and a large end formed by the conical surface 411 faces the mouth of the inner shell 200. In this embodiment, when rainwater drips from the inner ring 200 to the outer side wall of the extension ring 420, the rainwater on the extension ring 420 is thrown to the conical surface 411 of the water retaining ring 410 under the effect of centrifugal force under the high-speed rotation of the rotary connection seat 400, and the rainwater flows to the mouth along with the conical surface 411, so that the rainwater is splashed in the drainage gap 101, and further the rainwater is prevented from entering the motor 300.

Further, the bottom sides of the outer shell 100 and the inner shell 200 are both provided with drain holes. Therefore, rainwater entering the drainage gap 101 can be directly drained through the drainage hole, and rainwater is prevented from accumulating in the outer shell 100 and the inner shell 200.

Further, referring to fig. 2 and 3, a spacer 110 is further disposed between the inner shell 200 and the outer shell 100, and a locking screw sequentially passes through the outer shell 100, the spacer 102 and the inner shell 200. Thereby coupling the inner case 200 and the outer case 100 as one body.

Further, referring to fig. 2 and 3, the outer rings of the outer shell 100, the inner shell 200 and the water deflector 410 are all conical surfaces, and the opening part is a large end of a cone. In this embodiment, when rainwater drops on the outer side of the housing 100 and the water retaining ring 410, the rainwater flows along the conical surface to the low point, so as to prevent the rainwater from flowing to the mouth. The rainwater entering the drainage gap 101 flows downwards along the conical surface of the inner shell 200, so that the rainwater is prevented from flowing to one end of the rotating connection seat 400, and further the rainwater is prevented from entering the motor 300, and an effective waterproof effect is achieved.

Further, the taper of the outer rings of the outer shell 100, the inner shell 200 and the water retaining ring 410 is 2-5 °.

Further, referring to fig. 1 to 5, a connection seat 110 is further disposed on a back surface of the housing 100. The display screen is installed through the connection socket 110. Specifically, the connecting seat 110 includes a base 111 and a limiting seat 112; the base 111 is fixedly arranged on the back of the shell 100, the base 111 is provided with an open slot, and two limiting portions 113 are formed by inwards bending two sides of the opening of the open slot. The limiting seat 112 comprises two connecting side plates 114 arranged in parallel and two limiting side plates 115 arranged in parallel, and one end of each of the two connecting side plates 114 is bent to form a limiting plate 116 connected with the limiting side plates 115; a locking plate 117 is connected between the two limiting side plates 115, and a screw hole 118 is arranged on the locking plate 117. The two connecting side plates 114 are arranged in the opening grooves and connected through bolts; the limit plate 116 is limited at the inner side of the limit part 113. When the waterproof 3D holographic screen of the present embodiment is installed, the housing is sleeved on the installed body through an installation cavity formed by the limiting seat 112 and the base 111, and the connecting seat 110 is locked by a locking bolt passing through the screw hole 118.

Further, referring to fig. 4 and 6, four mounting portions 401 extend from the rotating connection base 400 to the periphery at equal intervals, and the lamp panel 600 is disposed on the front side of each mounting portion 401. In this implementation, LED lamp pearl 601 of lamp plate 600 of being convenient for connects the electricity, specifically is, and the electric wire can be followed and passed between lamp plate 600 and installation department 401, has avoided the electric wire to expose, can also effectually play the guard action to the electric wire. And, be convenient for maintain and change after lamp plate 600 damages.

Further, referring to fig. 4 and 6, a wind guide angle 402 and a wind knife 403 are disposed on a back side surface of each mounting portion 401, the wind knife 403 is provided with an inclined surface, and a cutting edge formed by the inclined surface of the wind knife 403 is disposed near one end of the wind guide angle 402. In this embodiment, when the motor 300 drives the rotary connection portion 410, the mounting portion 401, and the lamp panel 600 to rotate at a high speed, air resistance can be effectively reduced. Under the rotation action of the wind guide angle 402 and the wind knife 403, the pressure at the front side of the mounting part 401 is larger than the pressure at the back side; so that the rotary joint base 400 receives a backward thrust, thereby increasing the connection stability of the rotary joint base 400 and the motor 300.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A waterproof 3D holographic screen structure is characterized by comprising an outer shell, an inner shell, a motor, a rotary connecting seat, a PCB and a plurality of lamp panels; the outer shell and the inner shell are both cylinder structures with one ends of opening structures; the inner shell is arranged in the outer shell, the opening of the inner shell faces to the same side, and a drainage gap is formed between the outer wall of the inner shell and the inner wall of the outer shell; the motor is arranged in the inner shell; the rotary connecting seat is arranged at one end of a rotating shaft of the motor; a water retaining ring extending into the drainage gap is arranged on the inner side of the rotary connecting seat; the lamp panels are arranged at equal intervals along the rotary connecting seat, and each lamp panel is provided with an LED lamp bead; the PCB board is electrically connected with the LED lamp beads on the lamp panel and is used for controlling the LED lamp beads.

2. The waterproof 3D holographic screen structure of claim 1, in which: the inner side of the rotary connecting seat is further provided with an extension ring extending into the opening of the inner shell, and the opening of the inner shell extends into a gap between the extension ring and the water retaining ring.

3. The waterproof 3D holographic screen structure of claim 2, in which: the inner ring of the water retaining ring is provided with a conical surface, and the large end formed by the conical surface faces the opening of the inner shell.

4. The waterproof 3D holographic screen structure of any of claims 1 to 3, wherein: the bottom sides of the outer shell and the inner shell are both provided with drain holes.

5. The waterproof 3D holographic screen structure of any of claims 1 to 3, wherein: and a cushion block is also arranged between the inner shell and the outer shell, and a locking screw sequentially penetrates through the outer shell, the cushion block and the inner shell.

6. The waterproof 3D holographic screen structure of claim 1, in which: the outer rings of the outer shell, the inner shell and the water retaining ring are all conical surfaces, and the opening part is the large end of a cone.

7. The waterproof 3D holographic screen structure of claim 6, in which: the conicity of the outer ring of the outer shell, the inner shell and the water retaining ring is 2-5 degrees.

8. The waterproof 3D holographic screen structure of any of claims 1 to 3, 6 and 7, wherein: the back of the shell is also provided with a connecting seat, and the connecting seat comprises a base and a limiting seat; the base is fixedly arranged on the back of the shell and provided with an open slot, and two sides of the opening part of the open slot are bent inwards to form two limiting parts; the limiting seat comprises two connecting side plates arranged in parallel and two parallel limiting side plates, and one end of each connecting side plate is bent to form a limiting plate connected with the limiting side plate; a locking plate is connected between the two limiting side plates, and a screw hole is formed in the locking plate; the two connecting side plates are arranged in the open slot and connected with the open slot through bolts; the limiting plate is limited on the inner side of the limiting part.

9. The waterproof 3D holographic screen structure of any of claims 1 to 3, 6 and 7, wherein: the equidistance of swivelling joint seat has four installation departments to the peripheral extension, each be provided with on the leading flank of installation department the lamp plate.

10. The waterproof 3D holographic screen structure of claim 9, in which: each the dorsal surface of installation department is provided with wind-guiding angle and air knife, the air knife is provided with the inclined plane, the blade that the inclined plane of air knife formed is close to the one end setting at wind-guiding angle.

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