Entrance guard type interphone

Abstract

The access control type interphone comprises a base and an intercom module, the base is provided with a display screen and an installation portion, the installation portion is provided with a loading cavity, the cavity bottom of the loading cavity is provided with an arc-shaped bottom groove, the opening portion of the loading cavity and the display screen face the same direction, and the opening portion of the loading cavity and the display screen face the same direction. The talkback module is installed on the base so that a sound transmission module of the talkback module can be located in the loading cavity, and a sound transmission hole of the sound transmission module faces the arc-shaped bottom groove. According to the access control type interphone provided by the utility model, the sound emitted by the sound transmission hole of the sound transmission module can be reflected by the arc-shaped bottom groove to be transmitted out from the opening of the loading cavity, so that the problems that the talkback sound is dull and the volume is relatively low due to the fact that the sound transmission hole is shielded are avoided, and the access control type interphone is convenient for actual talkback use; and secondly, the sound transmission hole is not exposed to protect the sound transmission hole, so that the problem that the sound transmission module is damaged due to the fact that the sound transmission hole is invaded by water or dust is avoided.

Description

Technical Field

[0001] This utility model relates to the field of access control intercom technology, and more specifically to an access control intercom. Background Technology

[0002] Access control systems are typically installed at the main gates of residential communities, fences, and electric gates, as well as iron gates, fire doors, and security doors of workplaces. The intercoms of these access control systems can effectively prevent unauthorized personnel from entering the community, effectively implementing closed management of the community and changing the inaccurate and imprecise management method of community security guards relying on memory to determine whether someone is an outsider.

[0003] According to announcement number CN218920482U, announcement date: April 25, 2023, a door access control walkie-talkie is disclosed, relating to the field of door access control walkie-talkie technology. This utility model includes a body, inside which a video intercom module is installed, and inside the body is a transmission module. A ring-shaped soft belt is connected to the periphery of the transmission module and disposed outside the video intercom module. The surface of the ring-shaped soft belt is symmetrically provided with a sealing surface and an operating opening. The upper part of the body has an air distribution chamber, a first air jet channel, and a second air jet channel communicating with the air distribution chamber. This utility model, through the arrangement of the ring-shaped soft belt, the first air jet channel, and the second air jet channel, achieves a physical dust-proof effect when the walkie-talkie is not in use. Furthermore, through the high-pressure hot air output, it can actively eliminate or inhibit the adhesion of dust, user stains, and fingerprints to the walkie-talkie to a certain extent.

[0004] In the prior art, including the aforementioned patent, the voice panel on the access control intercom is covered by a sealing surface. When the sound transmission hole of the voice panel is covered by the sealing arc surface, the sound emitted by the voice panel is relatively muffled and the volume is low, which is not convenient for actual intercom communication. Utility Model Content

[0005] The purpose of this invention is to provide an access control intercom to solve the above-mentioned problems.

[0006] To achieve the above objectives, this utility model provides the following technical solution: an access control intercom, comprising a base and an intercom module, wherein a display screen and an installation part are provided on the base, and an installation cavity is provided on the installation part, wherein an arc-shaped bottom groove is provided at the bottom of the installation cavity, and the opening of the installation cavity faces the same direction as the display screen, and the intercom module is installed on the base such that the sound transmission module of the intercom module is located in the installation cavity, and the sound transmission hole of the sound transmission module faces the arc-shaped bottom groove.

[0007] Preferably, the device also includes a fixing base with a locking block slidably disposed thereon. The base has a fixing groove and a fitting groove. The fixing base presses the intercom module into the fixing groove so that the sound transmission module is located in the insertion cavity, and the locking block slides against the fitting groove to lock the fixing base and the sound transmission module.

[0008] Preferably, the fixing base is provided with a retaining part, the end of the retaining part is provided with a chamfer, and the fixing base presses the intercom module into the fixing groove so that the retaining part abuts against the side wall of the sound transmission module.

[0009] Preferably, the device also includes a funnel-shaped speaker grille, which is mounted on a base such that the narrow end of the speaker grille is aligned with the insertion cavity.

[0010] Preferably, the loudspeaker cover is provided with a snap-fit ​​part, and the mounting part has a snap-fit ​​groove. The loudspeaker cover first slides axially and then rotates axially so that the snap-fit ​​part snaps into the snap-fit ​​groove, and the loudspeaker cover abuts against the fixed base.

[0011] Preferably, the loudspeaker cover is provided with an insertion cover that extends into the bottom of the loading cavity, and the insertion cover is provided with a vertical plate portion. The loudspeaker cover is driven to rotate axially so that the insertion cover slides against the inner wall of the loading cavity.

[0012] Preferably, the inner wall of the arc-shaped bottom groove inside the cavity is provided with a reflector.

[0013] Preferably, the fixed base is provided with a sliding groove, and an elastic element for driving the locking block to slide out of the fixed base is provided in the sliding groove, and the locking block is slidably disposed in the sliding groove.

[0014] Preferably, the mounting base is made of Teflon.

[0015] Preferably, the loudspeaker cover is made of Teflon.

[0016] In the above technical solution, the access control intercom provided by this utility model has the following beneficial effects: the sound emitted by the sound transmission hole of the sound transmission module can be reflected by the arc-shaped bottom groove and transmitted from the opening of the cavity, thereby avoiding the problem of muffled intercom sound and low volume caused by the sound transmission hole being blocked, which is convenient for actual intercom use. Secondly, the sound transmission hole is not exposed to provide protection for the sound transmission hole and prevent the sound transmission module from being damaged by water or dust. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in this utility model. For those skilled in the art, other drawings can be obtained based on these drawings.

[0018] Figure 1 A schematic diagram of the overall structure provided for an embodiment of this utility model;

[0019] Figure 2 This is a schematic cross-sectional view of the overall structure of an embodiment of the present utility model;

[0020] Figure 3 An exploded structural diagram of the base, intercom module, fixing base, and loudspeaker cover provided for an embodiment of this utility model;

[0021] Figure 4 A schematic diagram of the structure of the base provided in this embodiment of the utility model;

[0022] Figure 5 An exploded view of the mounting base, intercom module, locking element, and reflector provided in the embodiments of this utility model.

[0023] Explanation of reference numerals in the attached figures:

[0024] 1. Base; 11. Mounting part; 111. Insertion cavity; 112. Arc-shaped bottom groove; 113. Snap-fit ​​groove; 12. Fixing groove; 121. Fitting groove; 2. Intercom module; 21. Sound transmission module; 211. Sound transmission hole; 3. Fixing base; 31. Abutment part; 32. Sliding groove; 4. Locking block; 5. Loudspeaker cover; 51. Extension cover; 511. Vertical plate part; 52. Snap-fit ​​part; 6. Reflector cover; 7. Elastic element; 91. Display screen; 92. Operation panel. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of this disclosure clearer, the technical solutions of the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this disclosure. All other embodiments obtained by those skilled in the art based on the described embodiments of this disclosure without creative effort are within the scope of protection of this disclosure.

[0026] like Figure 1-5As shown, an access control intercom includes a base 1 and an intercom module 2. The base 1 is provided with a display screen 91 and a mounting part 11. The mounting part 11 has an insertion cavity 111. The bottom of the insertion cavity 111 is provided with an arc-shaped bottom groove 112, and the opening of the insertion cavity 111 faces the same direction as the display screen 91. The intercom module 2 is installed on the base 1 so that the sound transmission module 21 of the intercom module 2 is located in the insertion cavity 111, and the sound transmission hole 211 of the sound transmission module 21 faces the arc-shaped bottom groove 112.

[0027] Specifically, such as Figure 1 As shown, a display screen 91 and an operation panel 92 are provided on the base 1. The intercom module 2 can be installed on the base 1, so that the sound transmission module 21 of the intercom module 2 is located in the mounting cavity 111, and the sound transmission hole 211 faces the arc-shaped bottom groove 112 at the bottom of the mounting cavity 111. The opening of the mounting cavity 111, the display screen 91 and the operation panel 92 all face the front of the base 1. When the intercom module 2 needs to be used, the sound emitted by the sound transmission hole 211 of the sound transmission module 21 can be reflected by the arc-shaped bottom groove 112 and transmitted from the opening of the mounting cavity 111. This avoids the problem of muffled intercom sound and low volume caused by the sound transmission hole 211 being blocked, which is convenient for actual intercom use. Secondly, the sound transmission hole 211 is not exposed to provide protection for the sound transmission hole 211, and to prevent the sound transmission module 21 from being damaged by water or dust.

[0028] In the above technical solution, the sound emitted by the sound transmission hole 211 of the sound transmission module 21 can be reflected by the arc-shaped bottom groove 112 and transmitted from the opening of the insertion cavity 111, thereby avoiding the problem of muffled and low volume caused by the sound transmission hole 211 being blocked, which is convenient for actual intercom use. Secondly, the sound transmission hole 211 is not exposed to provide protection for the sound transmission hole 211, and to prevent the sound transmission module 21 from being damaged by water or dust.

[0029] As a further embodiment of this utility model, it also includes a fixing base 3, on which a locking block 4 is slidably disposed. A fixing groove 12 is provided on the base 1, and a fitting groove 121 is provided in the fixing groove 12. The fixing base 3 presses the intercom module 2 into the fixing groove 12 so that the sound transmission module 21 is located in the loading cavity 111, and the locking block 4 slides against the fitting groove 121 to lock the fixing base 3 and the sound transmission module 21.

[0030] Specifically, such as Figure 4As shown, a fixing groove 12 is provided on the base 1. The main body of the intercom module 2 can be placed in the fixing groove 12 so that the sound transmission module 21 is located in the loading cavity 111. Then, the fixing seat 3 can be installed into the fixing groove 12, and the locking block 4 is driven to slide against the fitting groove 121 to lock and fix the fixing seat 3. At this time, the fixing seat 3 presses and fixes the intercom module 2 in the base 1, thereby completing the stable fixation and protection of the intercom module 2. In special circumstances where it is necessary to move the intercom, security personnel can still remove the fixing seat 3 to remove the intercom module 2, thereby realizing portable intercom communication through the intercom module 2, which is convenient for practical use.

[0031] As a further embodiment provided in this utility model, the fixing base 3 is provided with a retaining part 31, and the end of the retaining part 31 is provided with a chamfer. The fixing base 3 presses the intercom module 2 into the fixing groove 12 so that the retaining part 31 abuts against the side wall of the sound transmission module 21.

[0032] Specifically, such as Figure 5 As shown, a chamfer is provided at the end of the abutment part 31 of the fixing base 3. When the main body of the intercom module 2 is placed in the fixing groove 12 so that the sound transmission module 21 is located in the loading cavity 111, the fixing base 3 is installed in the fixing groove 12. At this time, the abutment part 31 extends between the fixing groove 12 and the side wall of the intercom module 2, thereby using the abutment part 31 to further abut and fix the intercom module 2, ensuring that the sound transmission module 21 is located in the center position of the loading cavity 111 to improve the sound transmission stability of the sound transmission module 21.

[0033] As a further embodiment of this utility model, a funnel-shaped loudspeaker cover 5 is also included, which is mounted on the base 1 such that one narrow end of the loudspeaker cover 5 is aligned with the insertion cavity 111.

[0034] Specifically, such as Figure 1 As shown, the loudspeaker cover 5 is funnel-shaped. When the loudspeaker cover 5 is installed on the mounting part 11, the narrow end of the loudspeaker cover 5 is aligned with the opening of the mounting cavity 111, and the wide end of the loudspeaker cover 5 faces the same direction as the display screen 91. Thus, the loudspeaker cover 5 is used to further improve the stability of the sound transmitted by the sound transmission module 21. The presence of the loudspeaker cover 5 can also play a certain role in shielding, preventing external rainwater from falling into the mounting cavity 111 and improving the protection of the sound transmission module 21.

[0035] As a further embodiment of this utility model, the loudspeaker cover 5 is provided with a snap-fit ​​part 52, and the mounting part 11 is provided with a snap-fit ​​groove 113. The loudspeaker cover 5 first slides axially and then rotates axially so that the snap-fit ​​part 52 snaps into the snap-fit ​​groove 113, and the loudspeaker cover 5 abuts against the fixing base 3.

[0036] Specifically, such as Figure 3As shown, a snap-fit ​​part 52 is provided on the loudspeaker cover 5. First, the snap-fit ​​part 52 of the loudspeaker cover 5 is axially slid into the snap-fit ​​groove 113. At this time, the loudspeaker cover 5 is close to and aligned with the opening of the insertion cavity 111. Then, the loudspeaker cover 5 is axially rotated so that the snap-fit ​​part 52 snaps into the snap-fit ​​groove 113, thereby completing the fixation of the loudspeaker cover 5. The loudspeaker cover 5 abuts against the fixing base 3 to further fix the fixing base 3. Since the disassembly position of the loudspeaker cover 5 is not exposed, it can also play a certain role in preventing theft, avoiding the problem of idle people removing the fixing base 3 and stealing the intercom module 2.

[0037] As a further embodiment of this utility model, the loudspeaker cover 5 is provided with an insertion cover 51 that extends into the bottom of the loading cavity 111, and the insertion cover 51 is provided with a vertical plate portion 511. The loudspeaker cover 5 is driven to rotate axially so that the insertion cover 51 slides against the inner wall of the loading cavity 111.

[0038] Specifically, such as Figure 1 As shown, the extension cover 51 of the loudspeaker cover 5 extends into the bottom of the mounting cavity 111. After long-term use, dust will accumulate on the extension cover 51 inside the mounting cavity 111. At this time, the loudspeaker cover 5 can be removed by the snap-fit ​​part 52 and the snap-fit ​​groove 113, and the extension cover 51 can be cleaned to remove the accumulated dust, thus facilitating the actual maintenance of the access control intercom. When rotating and disassembling the loudspeaker cover 5, the extension cover 51 slides against the inner wall of the mounting cavity 111 to scrape the dust on the side of the inner wall of the mounting cavity 111 onto the extension cover 51, and is removed along with the loudspeaker cover 5, further improving the cleaning effect inside the mounting cavity 111. The presence of the vertical plate part 511 can reduce the problem of dust falling from the extension cover 51 during disassembly.

[0039] As a further embodiment of this utility model, a reflector 6 is provided on the inner wall of the arc-shaped bottom groove 112 inside the cavity 111.

[0040] Specifically, a reflector 6 is provided on the inner wall of the arc-shaped bottom groove 112 inside the cavity 111, thereby further improving the reflection effect of the sound emitted by the sound transmission module 21 to the opening of the cavity 111 and improving the sound output effect.

[0041] As a further embodiment of this utility model, a sliding groove 32 is provided on the fixed base 3, and an elastic member 7 for driving the locking block 4 to slide out of the fixed base 3 is provided in the sliding groove 32. The locking block 4 is slidably disposed in the sliding groove 32.

[0042] Specifically, such as Figure 5As shown, the locking block 4 is slidably disposed in the sliding groove 32 to improve the sliding stability of the locking block 4, while the elastic member 7 always drives the locking block 4 to slide out of the outside of the fixing seat 3, and the end of the fixing seat 3 is provided with a chamfer so that the fixing seat 3 can be inserted into the fixing groove 12. When the fixing seat 3 is located in the fixing groove 12 and abuts against the fixed intercom module 2, the elastic member 7 is used to keep the end of the locking block 4 in the fitting groove 121, thereby improving the locking stability of the locking block 4 on the fixing seat 3 and the intercom module 2.

[0043] As a further embodiment provided in this utility model, the mounting base 3 is made of Teflon.

[0044] Specifically, the mounting base 3 is made of Teflon to reduce its weight, facilitate actual assembly, and improve the service life of the mounting base 3.

[0045] As a further embodiment provided in this utility model, the loudspeaker cover 5 is made of Teflon.

[0046] Specifically, the loudspeaker cover 5 is made of Teflon to reduce its weight, facilitate actual assembly, and improve the service life of the mounting base 3.

[0047] The foregoing description only illustrates certain exemplary embodiments of the present invention. Undoubtedly, 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 door entry intercom, characterized in that The application relates to a speakerphone, which comprises a base (1) and a talkback module (2), wherein the base (1) is provided with a display screen (91) and a mounting portion (11), the mounting portion (11) is provided with an accommodating cavity (111), the bottom of the accommodating cavity (111) is provided with an arc-shaped bottom groove (112), the opening of the accommodating cavity (111) is consistent with the direction of the display screen (91), the talkback module (2) is mounted on the base (1) so that a sound transmission module (21) of the talkback module (2) is located in the accommodating cavity (111), and the sound transmission hole (211) of the sound transmission module (21) faces the arc-shaped bottom groove (112).

2. The access-controlled intercom of claim 1, wherein The base (1) is provided with a fixing groove (12), the fixing groove (12) is provided with an embedding groove (121), the fixing seat (3) is pressed in the fixing groove (12) so that the sound transmission module (21) is located in the accommodating cavity (111), and the locking block (4) is slidably arranged in the embedding groove (121) to lock the fixing seat (3) and the sound transmission module (21).

3. A door entry intercom according to claim 2, characterised in that The fixing seat (3) is provided with a fixing portion (31), the end of the fixing portion (31) is provided with a chamfer, and the fixing seat (3) is pressed in the fixing groove (12) so that the fixing portion (31) abuts against the side wall of the sound transmission module (21).

4. The access-controlled intercom of claim 2, wherein The application further comprises a sound amplification cover (5) in the shape of a bucket, which is mounted on the base (1) so that the narrow opening end of the sound amplification cover (5) is aligned with the accommodating cavity (111).

5. A door entry intercom according to claim 4, characterised in that The sound amplification cover (5) is provided with a clamping portion (52), the mounting portion (11) is provided with a clamping groove (113), the sound amplification cover (5) is axially slid and then axially rotated so that the clamping portion (52) is clamped in the clamping groove (113), and the sound amplification cover (5) abuts against the fixing seat (3).

6. A door entry intercom according to claim 5, characterised in that The sound amplification cover (5) is provided with an extending cover (51) extending into the bottom of the accommodating cavity (111), and the extending cover (51) is provided with a vertical plate portion (511), the sound amplification cover (5) is driven to rotate axially so that the extending cover (51) abuts against the inner wall of the accommodating cavity (111) and slides.

7. The access-controlled intercom of claim 1, wherein The inner wall of the arc-shaped bottom groove (112) in the accommodating cavity (111) is provided with a reflecting cover (6).

8. The access-controlled intercom of claim 2, wherein, The fixing seat (3) is provided with a sliding groove (32), the sliding groove (32) is provided with an elastic member (7) for driving the locking block (4) to slide out of the fixing seat (3), and the locking block (4) is slidably arranged in the sliding groove (32).

9. The access-controlled intercom of claim 2, wherein, The fixing seat (3) is made of Teflon.

10. The access-controlled intercom of claim 4, wherein, The sound amplification cover (5) is made of Teflon.

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