CN220691634U - Double-sided screen display device capable of being opened and closed for maintenance - Google Patents

Abstract

The utility model provides a double-sided screen display device capable of being opened and closed for maintenance, which comprises a main display screen, an auxiliary display screen, fixed connecting pieces, rotatable connecting mechanisms and supporting mechanisms capable of being retracted and expanded and supporting the auxiliary display screen in an expanded state, wherein the auxiliary display screen is arranged on the back surface of the main display screen, the number of the rotatable connecting mechanisms is at least one, one side of the auxiliary display screen is connected with the main display screen through the rotatable connecting mechanisms, and the other side of the auxiliary display screen is detachably connected with the main display screen through the fixed connecting pieces; the supporting mechanism is arranged between the main display screen and the auxiliary display screen, one end of the supporting mechanism is connected with the auxiliary display screen, and the other end of the supporting mechanism is connected with the main display screen. The double-sided screen display device capable of being opened and closed for maintenance is capable of maintaining the inside of the display device by only opening the auxiliary display screen and supporting the auxiliary display screen by the supporting mechanism under the conditions that the whole display device is not required to be taken down, the base is removed or the hoisting structure is not required to be taken down during maintenance.

Description

Double-sided screen display device capable of being opened and closed for maintenance

Technical Field

The utility model relates to the field of display devices, in particular to a double-sided screen display device capable of being opened and closed for maintenance.

Background

A dual-screen display device is a special display device that contains two display screens, which are typically positioned on either front or rear sides of the device. The layout mode enables a user to view information from any side of the device, and display effect and use convenience are greatly improved. In some specific application scenarios, the dual screen display device exhibits its unique advantages. For example, in the field of commercial advertising displays, digital signage, public information displays, etc., a dual screen display device may simultaneously display different content to a viewer or display the same content from different angles to attract more viewer attention.

In conventional dual-screen display devices, it is often necessary to disassemble the entire device or at least remove the display screen for maintenance work. This may involve removing the base, dismantling the lifting structure or performing a series of complex steps. This is not only time consuming and laborious, but also may increase the difficulty of maintenance.

Disclosure of Invention

The present utility model is directed to solving the above-mentioned problems in the related art, and provides an improved dual panel display device capable of being opened and closed for maintenance.

The technical scheme adopted by the utility model for solving the technical problems comprises the following steps: the double-sided screen display device comprises a main display screen, an auxiliary display screen, fixed connecting pieces, rotatable connecting mechanisms and supporting mechanisms capable of being folded and unfolded and supporting the auxiliary display screen in an unfolded state, wherein the auxiliary display screen is arranged on the back of the main display screen, the main display screen and the auxiliary display screen display information in opposite directions, the number of the rotatable connecting mechanisms is at least one, one side of the auxiliary display screen is connected with the main display screen through the rotatable connecting pieces, and the other side of the auxiliary display screen is detachably connected with the main display screen through the fixed connecting pieces; the supporting mechanism is arranged between the main display screen and the auxiliary display screen, one end of the supporting mechanism is connected with the auxiliary display screen, and the other end of the supporting mechanism is connected with the main display screen.

Preferably, each rotatable connection mechanism includes a rotating shaft, a plurality of first moving parts and a plurality of second moving parts, the plurality of first moving parts and the plurality of second moving parts are rotatably arranged on the rotating shaft, the first moving parts are connected with the main display screen, and the second moving parts are connected with the auxiliary display screen.

Preferably, the rotatable connection mechanism is a piano hinge.

Preferably, the main display screen comprises a main body part for displaying information and a middle frame arranged on the periphery of the main body part, the first movable piece is connected with the middle frame, and the second movable piece is connected with the auxiliary display screen.

Preferably, the side of the auxiliary display screen, which is not connected with the rotatable connection mechanism, is provided with a first connection hole, the auxiliary display screen is provided with a second connection hole corresponding to the first connection hole, and the fixed connection piece is connected with the first connection hole and the second connection hole.

Preferably, the fixing connection piece is a threaded connection piece, and the first connection hole and/or the second connection hole is a threaded hole matched with the threaded connection piece.

Preferably, the support mechanism comprises a first support rod and a second support rod, one end of the first support rod is rotatably connected with one end of the second support rod, the other end of the first support rod is rotatably connected with the main display screen, and the other end of the second support rod is rotatably connected with the auxiliary display screen.

Preferably, the auxiliary display screen comprises a base body for displaying information and a supporting beam arranged on the back surface of the base body, and the supporting mechanism is connected with the supporting beam.

Preferably, the support beam comprises intersecting cross beams and stringers.

Preferably, a side of the main display screen displaying information is parallel to a side of the auxiliary display screen displaying information.

The implementation of the technical scheme of the utility model has at least the following beneficial effects: the double-sided screen display device capable of being opened and closed for maintenance is capable of maintaining the inside of the display device by only opening the auxiliary display screen and supporting the auxiliary display screen by the supporting mechanism under the conditions that the whole display device is not required to be taken down, the base is removed or the hoisting structure is not required to be taken down during maintenance.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a front view of a double-sided screen display device (sub-screen in a closed state) for openable and closable maintenance according to an embodiment of the present utility model.

Fig. 2 is a top view of the dual panel display device of fig. 1, which is capable of being opened and closed for maintenance.

Fig. 3 is a cross-sectional view of the A-A position of fig. 1.

Fig. 4 is a partial enlarged view of the portion P in fig. 3.

Fig. 5 is a top view of the dual panel display device of fig. 1 (with the secondary panel in an open state).

Fig. 6 is a cross-sectional view of the dual panel display device of fig. 5, taken along a transverse direction.

Fig. 7 is a partial enlarged view of the Q portion of fig. 6.

Fig. 8 is an exploded view of the dual panel display device of fig. 1 (the secondary panel is in a closed state).

Fig. 9 is a partial enlarged view of the R portion of fig. 8.

Fig. 10 is a partial enlarged view of the S site of fig. 8.

Fig. 11 is a partial enlarged view of the T portion of fig. 8.

Fig. 12 is an exploded view of the dual panel display device of fig. 1 (the sub-display is in an open state).

Fig. 13 is a partial enlarged view of the U portion of fig. 12.

Reference numerals in the drawings denote: the main display screen 1, the main body 11, the middle frame 12, the first connecting hole 10, the auxiliary display screen 2, the second connecting hole 20, the base 21, the supporting beam 22, the cross beam 221, the longitudinal beam 222, the rotatable connecting mechanism 4, the rotating shaft 40, the first movable piece 41, the second movable piece 42, the first threaded fastener 43, the second threaded fastener 44, the supporting mechanism 3, the first supporting rod 31, the second supporting rod 32 and the fixed connecting piece 5.

Detailed Description

For a clearer understanding of technical features, objects and effects of the present utility model, a detailed description of embodiments of the present utility model will be made with reference to the accompanying drawings. It will be appreciated that if any directions or positional relationships indicated by "front", "rear", "upper", "lower", "longitudinal", "transverse", "vertical", "horizontal", "top", "bottom", etc. are made and operated in a specific direction based on the directions or positional relationships shown in the drawings, it is merely for convenience of description of the present utility model, not to indicate that the apparatus or element in question must have a specific direction, and thus should not be construed as limiting the present utility model. It should also be noted that unless explicitly stated or limited otherwise, if terms such as "mounted," "connected," "secured," "disposed," and the like are used herein, they are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or one or more intervening elements may also be present. If the terms "first," "second," etc. are used herein merely to facilitate the description of the present technology, they are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby a feature defining "first," "second," etc. may explicitly or implicitly include one or more such feature. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the following description, for purposes of explanation and not limitation, specific details are set forth such as the particular system architecture, techniques, etc., in order to provide a thorough understanding of the embodiments of the present utility model. It will be apparent, however, to one skilled in the art that the present utility model may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present utility model with unnecessary detail.

Referring to fig. 1 to 13, the openable and closable maintenance double-sided screen display device in one embodiment of the present utility model includes a main display screen 1, a sub display screen 2, a fixed connection member 5, a rotatable connection mechanism 4, and a supporting mechanism 3 which is retractable and expandable and supports the sub display screen 2 in an expanded state, the sub display screen 2 is disposed at the back of the main display screen 1, the directions of information displayed by the main display screen 1 and the sub display screen 2 are opposite, the number of the rotatable connection mechanisms 4 is at least one, one side edge of the sub display screen 2 is connected with one side edge of the main display screen 1 through the rotatable connection mechanism 4, and the other side of the sub display screen 2 is detachably connected with the other side of the main display screen 1 through the fixed connection member 5; the supporting mechanism 3 is arranged between the main display screen 1 and the auxiliary display screen 2, one end of the supporting mechanism 3 is connected with the auxiliary display screen 2, the other end of the supporting mechanism 3 is connected with the main display screen 1, and the supporting mechanism 3 is in a retractable unfolding structure, so that the auxiliary display screen 2 is in a folding state in a closing state; after the connection between the fixed connecting piece 5 and the main display screen 1 is released, the auxiliary display screen 2 can rotate relative to the main display screen 1 through the rotatable connecting mechanism 4, the auxiliary display screen 2 is opened, the internal structure of the display device is exposed, and the supporting mechanism 3 is unfolded along with the movement of the auxiliary display screen 2 to support the auxiliary display screen 2.

This can open and shut double-sided screen display device of maintaining, when maintaining, need not take off whole display device, demolish under the condition of base or hoisting structure, only need open vice display screen 2, supporting mechanism 3 supports vice display screen 2 simultaneously for vice display screen 2 keeps in the open state, can maintain the inside display device.

Referring to fig. 3 to 4 and 6 to 9 and 12 to 13, each rotatable connection mechanism 4 includes a rotation shaft 40, a plurality of first movable members 41, and a plurality of second movable members 42, the plurality of first movable members 41 and the plurality of second movable members 42 being rotatably provided on the rotation shaft 40, the first movable members 41 being connected to the main display 1 by a first screw fastener 43, and the second movable members 42 being connected to the sub display 2 by a second screw fastener 44, so that the sub display 2 can be rotated open with respect to the main display 1. The rotatable connecting mechanism 4 is preferably a piano hinge, the piano hinge forms a plurality of continuous hinges on one rotating shaft 40, the piano hinge can be installed in a narrow and thin space, the length of the piano hinge can be selected according to the requirement, if a common hinge type hinge is used, a plurality of hinges are needed to meet the supporting strength of the auxiliary screen, but the hinges are easy to cause dislocation and need to be adjusted for a plurality of times; piano hinges are commonly used between a piano lid and a piano body, but are not only used on pianos.

Referring to fig. 7, the main display 1 includes a main body 11 for displaying information and a middle frame 12 provided at the periphery of the main body 11, and the middle frame 12 is provided at the rear side of the edge of the main body 11, a first movable member 41 is connected to the middle frame 12, and a second movable member 42 is connected to the sub display 2.

Referring to fig. 8 to 11, a first connection hole 10 is formed in the middle frame 12 on one side of the sub display 2, which is not connected to the rotatable connection mechanism 4, a second connection hole 20 corresponding to the first connection hole 10 is formed in the sub display 2, and the fixing connection member 5 connects the first connection hole 10 and the second connection hole 20, so that the sub display 2 is locked and fixed through the fixing connection hole when the sub display 2 is closed.

Preferably, the fixed connection 5 is a threaded connection and the first connection hole 10 and/or the second connection hole 20 are threaded holes matching the threaded connection.

Referring to fig. 5 to 6, the support mechanism 3 includes a first support bar 31 and a second support bar 32, one end of the first support bar 31 is rotatably connected with one end of the second support bar 32, the other end of the first support bar 31 is rotatably connected with the main display screen 1, and the other end of the second support bar 32 is rotatably connected with the sub display screen 2, so that by the relative rotation of the first support bar 31 and the second support bar 32, the support mechanism 3 is folded when the sub display screen 2 is closed, and the support mechanism 3 is straightened to support the sub display screen 2 when the sub display screen 2 is closed.

Referring to fig. 12, the sub display 2 includes a base 21 for displaying information and a support beam 22 for supporting the sub display 2 provided on the back of the base 21, and the support mechanism 3 is connected to the support beam 22. The support beam 22 includes intersecting cross beams 221 and stringers 222 to improve support strength.

The main display 1 displays information in a plane parallel to the plane of the auxiliary display 2, but in opposite directions, so that the double-sided display device can display information on both sides.

This can open and shut double-sided screen display device of maintaining, when maintaining, need not take off whole display device, demolish under the condition of base or hoisting structure, only need open vice display screen 2, supporting mechanism 3 supports vice display screen 2 simultaneously for vice display screen 2 keeps in the open state, can maintain the inside display device. The rotatable connection mechanism 4 is a piano hinge, and for a common hinge type hinge, the piano hinge forms a plurality of continuous hinges on a rotating shaft 40, can be installed in a narrow and thin space, can select the length of the piano hinge according to the needs, can accurately realize rotatable connection of the auxiliary display screen 2 and the main display screen 1, is not easy to misplace, and is convenient to install.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications, combinations and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the scope of the claims of the present utility model.

Claims (10)

1. The double-sided screen display device capable of being opened and closed for maintenance is characterized by comprising a main display screen (1), an auxiliary display screen (2), fixed connecting pieces (5), rotatable connecting mechanisms (4) and supporting mechanisms (3) capable of being folded and unfolded and supporting the auxiliary display screen (2) in an unfolded state, wherein the auxiliary display screen (2) is arranged on the back of the main display screen (1), the directions of information displayed by the main display screen (1) and the auxiliary display screen (2) are opposite, the number of the rotatable connecting mechanisms (4) is at least one, one side of the auxiliary display screen (2) is connected with the main display screen (1) through the rotatable connecting pieces (4), and the other side of the auxiliary display screen (2) is detachably connected with the main display screen (1) through the fixed connecting pieces (5); the supporting mechanism (3) is arranged between the main display screen (1) and the auxiliary display screen (2), one end of the supporting mechanism (3) is connected with the auxiliary display screen (2), and the other end of the supporting mechanism is connected with the main display screen (1).

2. The dual panel display device according to claim 1, wherein each rotatable connection mechanism (4) comprises a rotating shaft (40), a plurality of first movable members (41) and a plurality of second movable members (42), the plurality of first movable members (41) and the plurality of second movable members (42) are rotatably arranged on the rotating shaft (40), the first movable members (41) are connected with the main display panel (1), and the second movable members (42) are connected with the auxiliary display panel (2).

3. The dual panel display device of claim 2, wherein the rotatable connection mechanism (4) is a piano hinge.

4. The double-sided screen display device capable of being opened and closed for maintenance according to claim 2, wherein the main display screen (1) comprises a main body part (11) for displaying information and a middle frame (12) arranged on the periphery of the main body part (11), the first movable piece (41) is connected with the middle frame (12), and the second movable piece (42) is connected with the auxiliary display screen (2).

5. The double-sided screen display device capable of being opened and closed for maintenance according to claim 4, wherein a first connecting hole (10) is formed in the middle frame (12) on one side of the auxiliary display screen (2) which is not connected with the rotatable connecting mechanism (4), a second connecting hole (20) corresponding to the first connecting hole (10) is formed in the auxiliary display screen (2), and the fixed connecting piece (5) is connected with the first connecting hole (10) and the second connecting hole (20).

6. The dual panel display device of claim 5, wherein the fixed connection (5) is a threaded connection, and the first connection hole (10) and/or the second connection hole (20) are threaded holes matching the threaded connection.

7. The double-sided screen display device capable of being opened and closed for maintenance according to claim 1, wherein the supporting mechanism (3) comprises a first supporting rod (31) and a second supporting rod (32), one end of the first supporting rod (31) is rotatably connected with one end of the second supporting rod (32), the other end of the first supporting rod (31) is rotatably connected with the main display screen (1), and the other end of the second supporting rod (32) is rotatably connected with the auxiliary display screen (2).

8. The double-sided screen display device capable of being opened and closed for maintenance according to claim 1, wherein the auxiliary display screen (2) comprises a base body (21) for displaying information and a support beam (22) arranged on the back surface of the base body (21), and the support mechanism (3) is connected with the support beam (22).

9. The dual panel display device of claim 8, wherein the support beam (22) comprises intersecting cross beams (221) and stringers (222).

10. The openable and closable maintenance double-sided screen display device according to any one of claims 1 to 9, wherein a side of the main display (1) on which information is displayed is parallel to a side of the sub display (2) on which information is displayed.