Entrance guard visual interphone backboard

Abstract

The utility model discloses an access control visual interphone backboard, which comprises an installation backboard, the outer surface of one side of the installation backboard is fixedly connected with a right fixing seat, a left fixing seat and a fixing support, a first rotating shaft is rotatably connected between the right fixing seat and the left fixing seat, and the outer sides of the two ends of the first rotating shaft are sleeved with connecting pieces. And the outer sides of the two connecting pieces are attached to the inner side of the right fixing base and the inner side of the left fixing base respectively, two stepped holes are formed in the left fixing base, adjusting assemblies are arranged in the two stepped holes, each adjusting assembly comprises a U-shaped rod, and the U-shaped rods are movably inserted into the stepped holes. According to the door control visual interphone, the mounting back plate is rotationally connected to the first rotating shaft through the right fixing seat and the left fixing seat, and the V-shaped plate is matched with the U-shaped rod, so that the matching of the limiting piece and the limiting hole can be controlled, the angle of the mounting back plate can be adjusted, and the angle of the door control visual interphone can be adjusted according to people with different heights; and the access control visual interphone is more comfortable to use.

Description

Technical Field

[0001] The utility model relates to the technical field of intercom installation, in particular to a door access visual intercom back plate. Background Art

[0002] A walkie-talkie is a two-way mobile communication tool that allows calls without any network support and without incurring any call charges. It is suitable for relatively fixed and frequent call situations.

[0003] In the prior art, the back of the access control video intercom generally has a mechanism for fixing the intercom to the wall, so that the access control video intercom is fixedly installed on the wall. However, due to the different heights of people, the access control video intercom needs to be adjusted to a certain angle when using the video access control intercom, so that the access control video intercom is more comfortable to use. Therefore, it is urgent to design a back panel of the access control video intercom to solve the above problem. Utility Model Content

[0004] The utility model aims to provide a door access video intercom back panel to solve the above-mentioned deficiencies in the prior art.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A back plate of a door access control video intercom comprises a mounting back plate, wherein a right fixing seat, a left fixing seat and a fixing support are fixedly connected to an outer surface of one side of the mounting back plate, and a first rotating shaft is rotatably connected between the right fixing seat and the left fixing seat, connecting pieces are sleeved on the outer sides of both ends of the first rotating shaft, and the outer sides of the two connecting pieces are respectively fitted with the inner sides of the right fixing seat and the left fixing seat, two stepped holes are provided on the left fixing seat, and an adjustment component is arranged inside the two stepped holes, the adjustment component comprises a U-shaped rod, and the U-shaped rod is movably inserted inside the stepped holes, the open ends of the U-shaped rod are fixedly connected to limiting pieces, and the middle part of the U-shaped rod is rotatably connected to a rotating piece, one end of the limiting piece is fixedly connected to a first spring, and the first spring is sleeved on the U-shaped rod, the middle part of the rotating piece is fixedly connected to an outer surface of a V-shaped plate, and one end of the V-shaped plate is fixedly connected to a pressure plate, the outer surface of the other side of the mounting back plate is fixedly connected to two supporting plates, and a rotating component is rotatably connected between the two supporting plates, and a video intercom is arranged on one side of the rotating component.

[0007] Preferably, an arc-shaped plate is arranged between the two support plates, and one side of the arc-shaped plate is fixedly connected to one side of the mounting back plate, and the other side of the arc-shaped plate is provided with a plurality of circular grooves.

[0008] Preferably, the fixing assembly includes a mounting plate, a clamping block and a bolt, the connecting piece is movably plugged into the clamping block, and the clamping block is fixedly connected to the mounting plate, and the bolt is threadedly connected to the mounting plate.

[0009] Preferably, the rotating assembly includes a second rotating shaft, which is rotatably connected between the two support plates, an arc-shaped piece is sleeved on the outer side of the second rotating shaft, and a cylinder is fixedly connected to the middle part of one side of the arc-shaped piece, a second spring is arranged inside the cylinder, and one end of the second spring is fixedly connected to the inner wall of the cylinder, and the other end of the second spring is fixedly connected to a ball.

[0010] Preferably, a plurality of limiting holes are provided on the connecting member close to the left fixing seat, and the limiting member is movably inserted in the limiting hole.

[0011] Preferably, a rotating rod is fixedly connected to the middle portion of the V-shaped plate, and the rotating rod is rotatably connected to a fixed support.

[0012] In the above technical solution, the utility model provides a door access video intercom back panel, which has the following beneficial effects:

[0013] (1) The mounting back plate is rotatably connected to the first rotating shaft through the right fixing seat and the left fixing seat, and the V-shaped plate and the U-shaped rod cooperate with each other to control the cooperation between the limit piece and the limit hole, so as to achieve the angle adjustment of the mounting back plate, and then the angle of the access control video intercom can be adjusted according to people of different heights, making the access control video intercom more comfortable to use.

[0014] (2) The rotating assembly can be used to adjust the left and right angles of the access control video intercom. By adjusting the up, down, left and right angles of the access control intercom, the problem of unclear display screen due to the lighting angle can be avoided. The structure is simple and practical.

[0015] (3) The access control video intercom can be quickly installed and disassembled by movably plugging the connecting piece into the installation component. At the same time, the installation component is fixed to the wall by bolts, which effectively avoids secondary damage to the wall during disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0017] Figure 1 The present invention is a schematic diagram of the overall three-dimensional structure of a back panel embodiment of a door access control video intercom.

[0018] Figure 2 The present invention is a schematic diagram of the three-dimensional structure of a fixing assembly provided in an embodiment of a back panel of a door access control video intercom.

[0019] Figure 3 The present invention is a schematic diagram of the three-dimensional structure of an adjustment component provided in an embodiment of a back panel of a door access control video intercom.

[0020] Figure 4 The present invention is a schematic diagram of the three-dimensional structure of a rotating assembly provided in an embodiment of a back panel of a door access control video intercom.

[0021] Figure 5 The present invention is a schematic diagram of the cross-sectional structure of a rotating assembly provided in an embodiment of a back panel of a door access video intercom.

[0022] 1 mounting back plate, 2 right fixing seat, 3 left fixing seat, 4 first rotating shaft, 5 stepped hole, 6 adjusting assembly, 61 U-shaped rod, 62 limiting member, 63 first spring, 64 rotating member, 65 V-shaped plate, 66 pressing plate, 7 connecting member, 8 fixing assembly, 81 mounting plate, 82 block, 83 bolt, 9 supporting plate, 10 arc plate, 11 circular groove, 12 rotating assembly, 121 second rotating shaft, 122 arc member, 123 cylinder, 124 second spring, 125 ball, 13 video intercom, 14 fixing support, 15 limiting hole. DETAILED DESCRIPTION

[0023] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0024] like Figure 1-5 As shown, a back plate of a door access video intercom provided by an embodiment of the utility model comprises a mounting back plate 1, a right fixing seat 2, a left fixing seat 3 and a fixing support 14 are fixedly connected to the outer surface of one side of the mounting back plate 1, and a first rotating shaft 4 is rotatably connected between the right fixing seat 2 and the left fixing seat 3, and connecting members 7 are sleeved on the outer sides of both ends of the first rotating shaft 4, and the outer sides of the two connecting members 7 are respectively fitted with the inner sides of the right fixing seat 2 and the left fixing seat 3, and two stepped holes 5 are provided on the left fixing seat 3, and the two stepped holes 5 are provided with adjustment components 6 inside, and the adjustment components 6 include a U-shaped rod 61, and the U-shaped rod 6 1 is movably inserted in the stepped hole 5, the open ends of the U-shaped rod 61 are fixedly connected to the limiting member 62, and the middle of the U-shaped rod 61 is rotatably connected to the rotating member 64, one end of the limiting member 62 is fixedly connected to the first spring 63, and the first spring 63 is sleeved on the U-shaped rod 61, the middle outer surface of the rotating member 64 is fixedly connected to the V-shaped plate 65, and one end of the V-shaped plate 65 is fixedly connected to the pressing plate 66, the outer surface of the other side of the mounting back plate 1 is fixedly connected to two supporting plates 9, and the rotating assembly 12 is rotatably connected between the two supporting plates 9, and a video intercom 13 is arranged on one side of the rotating assembly 12.

[0025] Specifically, in this embodiment, it includes a mounting back plate 1, and the outer surface of one side of the mounting back plate 1 is fixedly connected with a right fixing seat 2, a left fixing seat 3 and a fixing support 14, and a first rotating shaft 4 is rotatably connected between the right fixing seat 2 and the left fixing seat 3, and the right fixing seat 2 and the left fixing seat 3 are used to support the rotation of the first rotating shaft 4. Connecting pieces 7 are sleeved on the outer sides of both ends of the first rotating shaft 4, and the outer sides of the two connecting pieces 7 are respectively fitted with the inner sides of the right fixing seat 2 and the left fixing seat 3. The middle part of the connecting piece 7 is a square structure, one end is circular, and the other end is a cross-shaped structure. Two stepped holes 5 are provided on the left fixing seat 3, and adjustment components 6 are arranged inside the two stepped holes 5. The adjustment component 6 includes a U-shaped rod 61, and the U-shaped rod 61 is movably inserted in the stepped hole 5, and the open ends of the U-shaped rod 61 are fixedly connected to the limiting piece 62, and the U-shaped rod 6 1 is rotatably connected with a rotating member 64 in the middle part, one end of the limiting member 62 is fixedly connected with a first spring 63, and the first spring 63 is sleeved on the U-shaped rod 61, and the other end of the first spring 63 is fixedly connected to the inside of the stepped hole 5. A V-shaped plate 65 is fixedly connected to the outer surface of the middle part of the rotating member 64, and a pressing plate 66 is fixedly connected to one end of the plate 65. The V-shaped plate 65 can be driven to move by the pressing plate 66 and the fixed support 14, so that the U-shaped rod 61 can be moved inside the stepped hole 5. One end of the limiting member 62 is also movably inserted in the stepped hole 5. Two supporting plates 9 are fixedly connected to the outer surface of the other side of the mounting back plate 1, and a rotating assembly 12 is rotatably connected between the two supporting plates 9. A video intercom 13 is arranged on one side of the rotating assembly 12, and the video intercom 13 can be adjusted up and down by the rotating assembly 12.

[0026] The utility model provides a back plate for a door access video intercom, wherein a mounting back plate 1 is rotatably connected to a first rotating shaft 4 through a right fixing seat 2 and a left fixing seat 3, and then a V-shaped plate 65 cooperates with a U-shaped rod 61 to control the cooperation between a limiting member 62 and a limiting hole 15, thereby realizing the angle adjustment of the mounting back plate 1, and then the angle of the door access video intercom can be adjusted according to people of different heights, making the door access video intercom more comfortable to use.

[0027] In an embodiment provided by the utility model, a plurality of limiting holes 15 are provided on the connecting member 7 close to the left fixing seat 3, and the limiting member 62 is movably inserted in the limiting hole 15, one end of the limiting member 62 is movably inserted in the stepped hole 9, and the other end is movably inserted in the limiting hole 15, and the cooperation between the limiting member 62 and the limiting hole 15 can be controlled by the cooperation between the U-shaped rod 61 and the first spring 63.

[0028] In another embodiment provided by the utility model, the fixing assembly 8 includes a mounting plate 81, a clamping block 82 and a bolt 83. The connecting member 7 is movably plugged into the clamping block 82, and the clamping block 82 is fixedly connected to the mounting plate 81. The bolt 83 is threadedly connected to the mounting plate 81. The bolt 83 is used to fix to the wall so that the mounting plate 81 can be firmly fixed to the wall. By providing a groove compatible with the connecting member 7 on the clamping block 82, the connecting member 7 can be movably plugged into the inside of the clamping block 52, so that the access control video intercom can be quickly installed and disassembled, and no secondary damage will be caused to the wall during disassembly. The structure is simple and practical.

[0029] In another embodiment provided by the utility model, the rotating assembly 12 includes a second rotating shaft 121, the second rotating shaft 121 is rotatably connected between the two support plates 9, an arc-shaped member 122 is sleeved on the outer side of the second rotating shaft 121, and a cylinder 123 is fixedly connected to the middle of one side of the arc-shaped member 122, and a video intercom 13 is fixedly connected to the other side of the arc-shaped member 122, a second spring 124 is arranged inside the cylinder 123, and one end of the second spring 124 is fixedly connected to the inner wall of the cylinder 123, and the second spring 124 is fixedly connected to the inner wall of the cylinder 123. The other end of 24 is fixedly connected with a ball 125, and the ball 125 can slide inside the cylinder 123 through the second spring 124. The second spring 124 always exerts an outward force on the ball 125, and the arc member 122 can rotate inside the arc plate 10 through the second rotating shaft 121, thereby driving the ball 125 to move along the arc groove inside the arc plate 10. The ball 125 can be limited by the circular groove 11, so that the angle of the access control video intercom can be adjusted in the left and right directions.

[0030] In an embodiment provided by the utility model, an arc plate 10 is arranged between two support plates 9, and one side of the arc plate 10 is fixedly connected to one side of the mounting back plate 1, and a plurality of circular grooves 11 are opened on the other side of the arc plate 10. The arc plate 10 also has an arc groove on one side where the plurality of circular grooves 11 are opened. The circular groove 11 is adapted to the ball 125, and the ball 125 can slide inside the arc groove, and the circular groove 11 is used to limit the ball.

[0031] In another embodiment provided by the utility model, a rotating rod is fixedly connected to the middle part of the V-shaped plate 65, and the rotating rod is rotatably connected to the fixed support 14. By pressing the pressing plate 66, the V-shaped plate 65 is rotated on the fixed support 14 through the rotating rod, so that the U-shaped rod 61 can be moved and slid inside the stepped hole 9, and the rotation of the mounting back plate 1 can be controlled, so that the up and down angles of the access control video intercom can be adjusted.

[0032] Working principle: When the angle of the access control video intercom needs to be adjusted, the pressing plate 66 is pressed to rotate the V-shaped plate 65 on the fixed support 14 through the rotating shaft, and then the U-shaped rod 61 is driven to move inside the stepped hole 9 through the V-shaped plate 65, and then the limiting member 62 is driven to move inside the stepped hole 9 and the limiting hole 15. When the pressing plate 66 is pressed to the bottom, the limiting member 62 is separated from the limiting hole 15, so that the installation back plate 1 can be adjusted up and down. The pressing plate 66 is released, and the limiting member is pressed by the first spring 63. 62 is reset, the mounting back plate 1 is limited, and then the arc-shaped member 122 is rotated by the second rotating shaft 121. The left and right angles of the access control video intercom can be adjusted by the cooperation between the circular section 125 and the circular groove 11, so that the access control video intercom is more comfortable to use. The mounting plate 81 is fixed to the wall by the bolts 83. The access control video intercom can be quickly disassembled and installed by the movably plugging connection between the connecting member 7 and the block 82, and at the same time, it can effectively avoid secondary damage to the wall during disassembly.

[0033] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A back panel for a door access video intercom, comprising a mounting back panel (1) and a fixing assembly (8), characterized in that: The outer surface of one side of the mounting back plate (1) is fixedly connected with a right fixing seat (2), a left fixing seat (3) and a fixing support (14), and a first rotating shaft (4) is rotatably connected between the right fixing seat (2) and the left fixing seat (3), and the outer sides of both ends of the first rotating shaft (4) are sleeved with connecting pieces (7), and the outer sides of the two connecting pieces (7) are respectively fitted with the inner sides of the right fixing seat (2) and the left fixing seat (3), and the left fixing seat (3) is provided with two stepped holes (5), and the two stepped holes (5) are provided with adjustment components (6), and the adjustment components (6) include a U-shaped rod (61), and the U-shaped rod (61) is movably inserted in the stepped hole (5), and the The open ends of the U-shaped rod (61) are fixedly connected to the limiting member (62), and the middle part of the U-shaped rod (61) is rotatably connected to a rotating member (64), one end of the limiting member (62) is fixedly connected to a first spring (63), and the first spring (63) is sleeved on the U-shaped rod (61), the middle outer surface of the rotating member (64) is fixedly connected to a V-shaped plate (65), and one end of the plate (65) is fixedly connected to a pressure plate (66), the outer surface of the other side of the mounting back plate (1) is fixedly connected to two supporting plates (9), and a rotating assembly (12) is rotatably connected between the two supporting plates (9), and a video intercom (13) is arranged on one side of the rotating assembly (12).

2. The back panel of the access control video intercom according to claim 1, characterized in that: A plurality of limiting holes (15) are provided on the connecting piece (7) on the side close to the left fixing seat (3), and the limiting piece (62) is movably inserted into the limiting hole (15).

3. The back panel of the access control video intercom according to claim 1, characterized in that: The fixing assembly (8) comprises a mounting plate (81), a clamping block (82) and a bolt (83); the connecting member (7) is movably plugged into the clamping block (82), the clamping block (82) is fixedly connected to the mounting plate (81), and the bolt (83) is threadedly connected to the mounting plate (81).

4. The back panel of the access control video intercom according to claim 1, characterized in that: The rotating assembly (12) comprises a second rotating shaft (121), the second rotating shaft (121) is rotatably connected between the two supporting plates (9), an arc-shaped member (122) is sleeved on the outer side of the second rotating shaft (121), and a cylinder (123) is fixedly connected to the middle part of one side of the arc-shaped member (122), a second spring (124) is arranged inside the cylinder (123), one end of the second spring (124) is fixedly connected to the inner wall of the cylinder (123), and the other end of the second spring (124) is fixedly connected to a ball (125).

5. The back panel of the access control video intercom according to claim 1, characterized in that: An arc-shaped plate (10) is arranged between the two support plates (9), and one side of the arc-shaped plate (10) is fixedly connected to one side of the mounting back plate (1), and the other side of the arc-shaped plate (10) is provided with a plurality of circular grooves (11).

6. The back panel of the access control video intercom according to claim 1, characterized in that: A rotating rod is fixedly connected to the middle of the V-shaped plate (65), and the rotating rod is rotatably connected to the fixed support (14).

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