CN215734249U

CN215734249U - Hand-held interphone

Info

Publication number: CN215734249U
Application number: CN202122143500.9U
Authority: CN
Inventors: 洪少华
Original assignee: Quanzhou Kaili Electronics Co ltd
Current assignee: Quanzhou Kaili Electronics Co ltd
Priority date: 2021-09-06
Filing date: 2021-09-06
Publication date: 2022-02-01
Anticipated expiration: 2031-09-06

Abstract

The utility model provides a handheld interphone which comprises a casing, wherein an opening is formed in the rear side of the casing, a rear cover and a battery cover are connected to the rear side of the casing, the rear cover is directly or indirectly fixedly connected to the upper portion of the opening, the upper end of the battery cover abuts against the lower end of the rear cover, a positioning plate penetrating the rear cover is fixedly connected or integrally connected to the upper end of the battery cover, a notch is formed in the lower end of the battery cover, clamping strips are arranged on the side walls of the notch, a buckling plate is rotatably connected to the lower end of the casing, and buckling strips matched with the clamping strips are fixedly connected to the buckling plate. Because the buckle is located the outside of inner chamber, do not occupy the inner chamber space, the dust is difficult for gathering in the inner chamber, just can not adhere on circuit board or electronic component yet, simultaneously because function connecting seat or sealed apron rotate to be connected on the casing, and not with the help of elastic movement, fatigue fracture can not appear yet in long-term use, life is higher relatively.

Description

Hand-held interphone

Technical Field

The utility model relates to communication equipment, in particular to a handheld interphone.

Background

The hand-held interphone is a two-way mobile communication tool, can be used for communication without any network support, does not generate telephone charge, and is suitable for relatively fixed and frequent communication occasions. The shell of the existing interphone generally comprises a shell and a rear cover, the rear cover is locked on the shell through screws, and the shell is inconvenient to disassemble.

The chinese utility model patent with the publication number CN211908779U is an intercom originally designed by the applicant, the mode of elastic buckle and slot joint realizes the fixed connection between the back plate (back cover) and the casing, the disassembly is convenient, however, because its slot is arranged in the inner cavity of the casing, the elastic buckle needs to go deep into the inner cavity and the slot cooperation, the dust is easily accumulated in the slot, and then fly into the inner cavity of the casing and adhere to the circuit board or the electronic component in the inner cavity, and the elastic buckle is easy to fatigue fracture after long-term use, which can affect the service life.

In view of the above, the applicant has made an intensive study on the structure of an intercom, and has made this proposal.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a handheld interphone with relatively long service life.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a hand-held type intercom, includes the casing, the rear side of casing have with the opening of the inner chamber intercommunication of casing, just the rear side of casing is connected with back lid and battery cover, back lid with the battery cover covers jointly the opening, back lid direct or indirect fixed connection be in open-ended upper portion, the upper end of battery cover is supported the top and is in the lower extreme of back lid, just upper end fixed connection or the body coupling of battery cover alternate insert the locating plate that covers after, the breach groove has been seted up to the lower extreme of battery cover, be provided with the card strip on the lateral wall of breach groove, the lower extreme of casing rotates and is connected with the buckle, fixedly connected with on the buckle with card strip complex buckle.

As an improvement of the utility model, a sinking groove is formed at the lower end of the casing, a pressing plate is fixedly connected in the sinking groove, a notch is formed in one side of the pressing plate facing the battery cover, protruding parts are respectively formed at positions of the pressing plate at two sides of the notch, a rotating rod is inserted into the buckling plate, one end of the rotating rod is clamped between one protruding part and the bottom of the sinking groove, and the other end of the rotating rod is clamped between the other protruding part and the bottom of the sinking groove.

As an improvement of the present invention, the lower end of the casing is provided with support legs at positions on both sides of the pinch plate, respectively, and the pinch plate is located above the lower end surfaces of the support legs.

As an improvement of the utility model, one side of the battery cover facing the shell is fixedly connected with a battery, and the other side is provided with a charging contact piece electrically connected with the battery.

As an improvement of the present invention, the left side or the right side of the casing is provided with an interface and a function connecting seat or a sealing cover plate covering the interface, one end of the function connecting seat is connected to the casing through a screw, and the other end is fastened to the casing.

As an improvement of the utility model, a side boss is arranged on the left side or the right side of the casing, the interface is positioned on the side boss, a fastening groove is arranged at the upper end of the side boss, and a clamping hook inserted in the fastening groove is arranged at the upper end of the function connecting seat.

As an improvement of the utility model, the hook is provided with a threading hole.

As an improvement of the utility model, the sealing device further comprises a base plate directly or indirectly fixed in the inner cavity, an annular groove with an opening arranged backwards is arranged on the side wall of the inner cavity, a sealing ring is filled in the annular groove, and the sealing ring is compressed between the casing and the base plate.

By adopting the technical scheme, the utility model has the following beneficial effects:

1. the interphone provided by the utility model is buckled by the buckle plate, so that the battery cover is convenient to disassemble, the buckle plate is positioned at the outer side of the inner cavity, the space of the inner cavity is not occupied, dust is not easy to accumulate in the inner cavity, and the dust is not adhered to a circuit board or an electronic element.

2. Through setting up the sealing ring, the air flow of both sides around can effectual isolated base plate, and then reduces the dust and along with the possibility of air admission inner chamber, and dustproof effect is better relatively.

Drawings

FIG. 1 is a schematic structural diagram of an intercom in an embodiment;

FIG. 2 is a schematic view of another view angle of the intercom in the embodiment;

FIG. 3 is a schematic structural diagram of an embodiment of a chassis;

fig. 4 is a schematic structural diagram of a battery cover in the embodiment.

The designations in the figures correspond to the following:

10-a housing; 11-lumen;

12-an annular groove; 13-sinking the tank;

14-a leg; 15-a contact terminal;

17-side raised platform;

20-rear cover; 30-a battery cover;

31-a positioning plate; 32-notch;

33-a card strip; 34-charging contact;

40-buckling plate; 50-pressing plate;

51-a convex part; 70-an antenna;

80-knob; 90-functional connecting seat or sealing cover plate;

91-hook; 92-threading hole.

Detailed Description

The utility model is further described with reference to the following figures and specific embodiments.

As shown in fig. 1-4, in the present embodiment, for convenience of description, the up-down orientation when the intercom is vertically placed on the horizontal desktop is taken as the up-down orientation of the intercom, the side of the intercom facing the operator when the intercom is used is taken as the front side of the intercom, the corresponding other side is taken as the back side of the intercom, the left-hand direction when the user faces the front side of the intercom is taken as the left side of the intercom, and the corresponding other side is taken as the right side of the intercom. In addition, the structure described in this embodiment is the structure after the assembly of the intercom.

The handheld interphone provided by the embodiment comprises a casing 10, wherein the front side structure of the casing 10 is the same as that of a conventional interphone, which is not the focus of the embodiment and is not described in detail herein; the rear side of the casing 10 has an opening communicating with the inner cavity 11 of the casing 10, and the rear side of the casing 10 is connected with a rear cover 20 and a battery cover 30, and the rear cover 20 and the battery cover 30 together cover the opening such that the inner cavity is closed. Of course, the handheld interphone provided in this embodiment further includes a substrate (not shown) directly or indirectly fixed in the inner cavity 11, a circuit board (not shown) mounted on the substrate, an electronic component (not shown) such as a speaker connected to the circuit board, and an antenna 70 and an adjusting knob 80 mounted on the upper end of the casing 10, and these components and their connection structures may be the same as those of a conventional interphone.

Preferably, in the present embodiment, an annular groove 12 with an opening arranged backward is provided on the side wall of the inner cavity 11, and the annular groove 12 is arranged around the axial side wall of the inner cavity 11. The annular groove 12 is filled with a sealing ring (not shown in the figure), and the sealing ring is compressed between the machine shell 10 and the substrate, that is, the substrate is fastened on the machine shell 10 by adopting a conventional structure, and meanwhile, the sealing ring is compressed in the annular groove 12 to form sealing, so that the air flow of the front side and the rear side of the substrate can be separated, the possibility of dust entering the inner cavity along with air is reduced, and the dustproof effect is relatively good.

The rear cover 20 is directly or indirectly fixedly connected to the upper portion of the opening, the upper end of the battery cover 30 abuts against the lower end of the rear cover 20, and the upper end of the battery cover 30 is fixedly connected or integrally connected with a positioning plate 31 penetrating through the rear cover 20, it should be noted that in this embodiment, the positioning plate 31 penetrates through the rear cover 20, and the positioning plate 31 penetrates through a positioning hole formed in the rear cover 20, and also includes a situation that the positioning plate 31 abuts against one side of the rear cover 20 facing the casing 10. The lower end of the battery cover 30 is provided with a notch 32, the side wall of the notch 32 is provided with a clamping strip 33, the lower end of the casing 10 is rotatably connected with a buckle plate 40, the buckle plate 40 is fixedly connected with a buckle strip (not shown in the figure) matched with the clamping strip 33, the buckle strip is buckled on the clamping strip 33 to realize the fixed connection between the battery cover 30 and the casing 10, and the buckle plate 40 does not need to be elastically rotated, so that the battery cover is not easy to fatigue fracture.

The specific rotational connection structure between the fastening plate 40 and the casing 10 may be a conventional structure, for example, a rotational base is disposed at the lower end of the casing 10, preferably, in this embodiment, a sunken groove 13 is disposed at the lower end of the casing 10, a pressing plate 50 is fixedly connected in the sunken groove 13 by ultrasonic welding, a side of the pressing plate 50 facing the battery cover 30 is opened with a notch, and the pressing plate 50 is respectively formed with a convex portion 51 at positions at two sides of the notch, one end of the fastening plate 40 is inserted in the notch and is inserted with a rotating rod, one end of the rotating rod is clamped between one convex portion 51 and the bottom of the sunken groove 13, and the other end of the rotating rod is clamped between the other convex portion 51 and the bottom of the sunken groove, so as to achieve rotational connection between the fastening plate 40 and the casing 10, the rotational connection structure is convenient to assemble and smooth to rotate, and the rotating rod is not easy to fall off when in use, is more durable. In addition, the lower end of the casing 10 is provided with the support legs 14 at the positions at the two sides of the buckle plate 40, and the buckle plate 40 is located above the lower end surface of the support legs 14, so that the buckle plate 40 can be ensured not to influence the stability of the interphone when the interphone is vertically placed on a desktop.

A battery (not shown) is fixedly connected to one side of the battery cover 30 facing the casing 10, and a charging contact 34 electrically connected to the battery is provided on the other side.

The left side or the right side of the casing 10 is provided with an interface and a function connecting seat or a sealing cover plate 90 covering the interface, the interface is provided with a contact terminal 15, one end of the function connecting seat or the sealing cover plate 90 is connected to the casing 10 through a screw, the other end of the function connecting seat or the sealing cover plate 90 is buckled on the casing 10, and one side of the function connecting seat or the sealing cover plate 90 facing the casing 10 is provided with a contact pin joint matched with the contact terminal 15. Specifically, the left side or the right side of the casing 10 is provided with a side boss 17, the interface is located on the side boss 17, the upper end of the side boss 17 is provided with a buckling groove, the upper end of the function connecting seat or the sealing cover plate 90 is provided with a clamping hook 91 inserted on the buckling groove, and the lower end of the function connecting seat or the sealing cover plate is locked on the side boss 17 through a screw, so that the connection is firm, and the disassembly and assembly are convenient. In addition, the hook 91 is provided with a threading hole 92 for installing a hanging rope. Of course, the threading hole 92 may be a blind hole, but although there is no threading function, the width of the hook 91 may be increased to increase the strength and rigidity, and the position of the hook 91 may be prevented from shrinking during injection molding. Be provided with the function module who is used for realizing specific function (like location, bluetooth or light) in the function connecting seat, concrete function can be confirmed according to actual need, but when needing the switching function, only need the different function connecting seats of replacement can, when other functions outside need not the function of talkbacking, can avoid contact terminal 15 to be by oxidation or corruption through sealed apron cover interface.

The present invention is described in detail with reference to the attached drawings, but the embodiments of the present invention are not limited to the above embodiments, and those skilled in the art can make various modifications to the present invention based on the prior art, which fall within the scope of the present invention.

Claims

1. The utility model provides a hand-held type intercom, includes the casing, its characterized in that, the rear side of casing have with the opening of the inner chamber intercommunication of casing, just the rear side of casing is connected with back lid and battery cover, back lid with the battery cover covers jointly the opening, back lid direct or indirect fixed connection be in open-ended upper portion, the upper end of battery cover is supported the top and is in the lower extreme of back lid, just upper end fixed connection or the body coupling of battery cover have alternate insert the locating plate on the back lid, the scarce groove has been seted up to the lower extreme of battery cover, be provided with the card strip on the lateral wall in scarce groove, the lower extreme of casing rotates and is connected with the buckle, fixedly connected with on the buckle with card strip complex buckle.

2. The handheld interphone according to claim 1, wherein a sunken groove is formed in a lower end of the casing, a pressing plate is fixedly connected in the sunken groove, a notch is formed in one side of the pressing plate facing the battery cover, protruding portions are respectively formed on the pressing plate at positions on two sides of the notch, a rotating rod is inserted into the pressing plate, one end of the rotating rod is clamped between one of the protruding portions and a groove bottom of the sunken groove, and the other end of the rotating rod is clamped between the other protruding portion and the groove bottom of the sunken groove.

3. The handheld interphone according to claim 1, wherein the lower end of the cabinet is provided with legs at positions on both sides of the buckle respectively, and the buckle is located above the lower end faces of the legs.

4. The handheld interphone according to claim 1, characterized in that a battery is fixedly connected to one side of the battery cover facing the shell, and a charging contact piece electrically connected with the battery is arranged on the other side.

5. The handheld interphone according to any of the claims 1 to 4, characterized in that the left or right side of the shell is provided with an interface and a function connecting seat or a sealing cover plate covering the interface, one end of the function connecting seat is connected to the shell by a screw, and the other end is fastened to the shell.

6. The handheld interphone according to claim 5, characterized in that the left or right side of the shell has a side boss, the interface is located on the side boss, the upper end of the side boss is provided with a buckle slot, and the upper end of the function connecting seat has a hook inserted on the buckle slot.

7. The handheld interphone according to claim 6, characterized in that the hook is provided with a threading hole.

8. The handheld interphone according to any one of claims 1 to 4, further comprising a base plate directly or indirectly fixed in the inner cavity, wherein an annular groove with a backward opening is provided on a side wall of the inner cavity, the annular groove is filled with a sealing ring, and the sealing ring is compressed between the casing and the base plate.