CN214800220U

CN214800220U - Rain-proof touch wireless doorbell

Info

Publication number: CN214800220U
Application number: CN202120944534.5U
Authority: CN
Inventors: 甘志华
Original assignee: Shenzhen Honglida Electronics Co ltd
Current assignee: Shenzhen Honglida Electronics Co ltd
Priority date: 2021-05-06
Filing date: 2021-05-06
Publication date: 2021-11-19
Anticipated expiration: 2031-05-06

Abstract

The utility model discloses a rain-proof touch wireless doorbell that drenches, it mainly through set up the screw post that supplies the screw to pass respectively in four bights of medial surface at the back lid, set up in the casing with the jack that the screw post corresponds sets up respectively from its inside surface arc arch to the lateral surface edge at the back lid simultaneously to set up respectively all around the inner wall of casing with the protruding complex arc portion of bearing of arc, set up seal ring on the arc portion of bearing. When the back lid passes through the screw closing cap on the casing from this, the arc arch is located the part of seal ring position in two adjacent screw posts and is pressed to the sunken of arc portion of bearing for thereby the partial seal ring of two adjacent screw posts takes place to warp and carries out in close contact with the arc arch, has guaranteed that casing and back lid can effectively seal the cooperation between the adjacent screw post position with the part of back lid between the adjacent screw post position, thereby improves the sealing performance between the back lid of wireless doorbell and the casing.

Description

Rain-proof touch wireless doorbell

Technical Field

The utility model relates to an electronic doorbell's technical field, in particular to rain-proof touch wireless doorbell that drenches.

Background

According to a transmission mode, the current doorbell products can be divided into wired doorbells and wireless doorbells. The transmitter and the receiver of wired doorbell are connected by wires, the signal sent by the transmitter is transmitted to the receiver by wires, the signal is stable and does not sound mistakenly, but the wiring is troublesome, a wall needs to be chiseled, and the like are likely to happen, and the market is gradually faded out in recent years. The wireless doorbell is characterized in that the wireless doorbell button emits a wireless signal, and the wireless signal receiver of the indoor unit receives the wireless signal and then rings.

According to the fact that the wireless doorbell is divided according to a touch control mode, the wireless doorbell can be further divided into a pressing mode and a touch mode, mechanical keys are adopted in the pressing mode, frequent pressing easily causes key failure and poor hand feeling, the touch wireless doorbell is an advanced doorbell product at present, capacitive sensing touch keys are adopted, the touch wireless doorbell can penetrate through an insulating material shell (such as glass and plastic) with the thickness being more than 8mm, effective touch of fingers can be accurately sensed, and sensitivity, stability, reliability and the like of the doorbell product can be guaranteed not to change due to change of environmental conditions or long-term use.

Install in outdoor mostly when wireless doorbell, the rainy day is drenched by the rainwater easily and is spattered, and the inside of doorbell product is corroded and damages by outside steam easily, influences the normal use of doorbell. For this reason, some wireless doorbell still sets up corresponding sealed pad and realizes the sealing connection between doorbell apron and the casing. However, the equipment of doorbell product is many to be connected based on the knot position or the screw position at casing edge, and the casing is the plastic material, and the atress is yielding, and when the cover connection was on the casing, the sealing washer can apply reaction force and make non-knot position or screw take place to warp for the casing to lead to the sealing washer of non-junction position can not realize effectual sealed, and sealed effect is relatively poor, and outside rainwater still permeates inside the casing from the joint gap easily.

SUMMERY OF THE UTILITY MODEL

Problem to prior art existence, the utility model aims at providing a rain-proof touch wireless doorbell that drenches aims at improving the sealing performance of doorbell product.

In order to achieve the purpose, the rain-proof touch wireless doorbell provided by the utility model comprises a shell and a rear cover for sealing the bottom opening of the shell, wherein four corners of the inner side surface of the rear cover are respectively provided with screw posts for screws to pass through, the shell is internally provided with jacks corresponding to the screw posts, and the jacks are internally provided with screw holes for screws to be inserted;

the edge of the inner side surface of the rear cover is respectively provided with an arc-shaped bulge which is protruded outwards from the inner side surface of the rear cover, and the periphery of the inner wall of the shell is respectively provided with an arc-shaped bearing part which is matched with the arc-shaped bulge;

set up seal ring on the arc portion of bearing, the back lid passes through the screw closing cap and is in when on the casing, the arc arch will seal ring lies in the part of two adjacent screw posts to the sunken internal pressure of arc portion of bearing.

Optionally, the two ends of the arc-shaped protrusion are respectively located on one side of two adjacent screw posts, and the thickness of the arc-shaped protrusion gradually increases from the two ends to the middle of the arc-shaped protrusion.

Optionally, the thickness of the four sides of the sealing gasket is greater than the thickness of the four corners of the sealing gasket.

Optionally, the thickness of the arc-shaped protrusion is 2 mm.

The utility model provides a touch wireless doorbell is drenched in rain-proof, it mainly through four bights of medial surface at the back lid set up respectively the screw post that supplies the screw to pass, set up in the casing with the jack that the screw post corresponds sets up respectively from its inside surface arc arch to the while at the medial surface edge of back lid to set up respectively all around the inner wall of casing with the protruding complex arc portion of bearing of arc, set up seal ring on the arc portion of bearing.

Like this, when the back lid passes through the screw closing cap on the casing, the arc is protruding to seal the sunken interior pressure of the part that the washer is located double-phase adjacent screw post to the arc portion of bearing, thereby make the partial seal washer of double-phase adjacent screw post take place to warp and carry out in close contact with the arc arch, the casing can effectively seal the cooperation with the part of back lid between adjacent screw post position between the adjacent screw post position, thereby improve the sealing performance between the back lid of wireless doorbell and the casing, make wireless doorbell can reach IP 44's waterproof dustproof grade, thereby realize preventing that the water that each direction splashes and come from invading electrical apparatus and causing the damage, prevent promptly that wireless doorbell from using outdoors, receive the rain and drench and inside impaired or miss touches.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the rain-proof touch-type wireless doorbell of the present invention;

fig. 2 is a schematic structural view of a rear cover in an embodiment of the rain-proof touch-type wireless doorbell of the present invention;

fig. 3 is the utility model discloses rain-proof touch wireless doorbell embodiment casing and back lid are at the sectional view of joint portion.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-3 of the specification, an embodiment of the present invention provides a rain-proof touch wireless doorbell, which includes a casing 100 and a rear cover 200 covering an opening at the bottom of the casing 100, a PCB board and a touch sensing device are disposed inside the casing 100, and when a person presses a touch operation from a front touch area of the casing 100, the PCB board sends a signal to the indoor so as to prompt the indoor unit.

Screw posts 200a for screws to pass through are respectively arranged at four corners of the inner side surface of the rear cover 200, and insertion holes corresponding to the screw posts 200a are arranged in the casing 100, and screw holes for screws to be inserted are also arranged in the insertion holes. The inner side edges of the rear cover 200 are respectively provided with arc-shaped protrusions 200b protruding outward from the inner side thereof, and the peripheries of the inner wall of the casing 100 are respectively provided with arc-shaped bearing parts 100a matched with the arc-shaped protrusions 200 b.

A sealing gasket 300 is provided in the opening of the case 100, and four sides of the sealing gasket 300 overlap over the arc-shaped recesses of the respective arc-shaped receiving portions 100 a. During assembly, the rear cover 200 is buckled and pressed on the shell 100, so that the screw posts 200a are inserted into the corresponding jacks, the rear cover 200 is locked on the shell 100 through screws, the arc-shaped bulge 200b at the edge of the inner side surface of the rear cover 200 presses the part of the sealing gasket 300, which is positioned on the two adjacent screw posts 200a, into the recess of the arc-shaped bearing part 100a, so that part of the sealing gasket 300 of the two adjacent screw posts 200a is deformed to be in tight contact with the arc-shaped bulge 200b, and the shell 100 between the adjacent screw posts 200a and the part of the rear cover 200 between the adjacent screw posts 200a can be effectively in sealing fit, so that the sealing performance between the rear cover 200 and the shell 100 of the wireless doorbell is improved, the wireless doorbell can reach the waterproof and dustproof level of IP44, the damage caused by the water splashed from all directions entering the electric appliance is prevented, namely the wireless doorbell is prevented from being used outdoors, the interior of the body is damaged or touched by mistake due to rain.

Specifically, in the embodiment of the present invention, two ends of the arc protrusion 200b are respectively located at one side of two adjacent screw posts 200a, and the thickness of the arc protrusion 200b gradually increases from the two ends to the middle thereof, and the height difference from the highest point to the lowest point of the arc protrusion is 2 mm. Therefore, the structural strength of the peripheral edge of the rear cover 200 is enhanced, and the rear cover 200 between the adjacent screw posts 200a is prevented from being deformed during assembly; simultaneously, this arc arch 200b can also other seal ring 300 that compress tightly back lid 200 and casing 100 joint part, improves the holistic sealed effect of wireless doorbell.

Specifically, in the present embodiment, the thickness of the four sides of the sealing gasket 300 is greater than the thickness of the four corners thereof. Therefore, the sealing effect of the sealing washer 300 is prevented from being affected by the thinning of the four side edge parts of the sealing washer 300 after being pressed and deformed by the arc-shaped protrusions 200 b.

The above is only the preferred embodiment of the present invention, not used in the present invention, and any slight modifications, equivalent replacements and improvements made by the technical entity of the present invention to the above embodiments should be included in the protection scope of the technical solution of the present invention.

Claims

1. A rain-proof touch wireless doorbell is characterized by comprising a shell and a rear cover for sealing an opening at the bottom of the shell, wherein screw posts for screws to pass through are respectively arranged at four corners of the inner side surface of the rear cover, jacks corresponding to the screw posts are arranged in the shell, and screw holes for screws to be inserted are also arranged in the jacks;

2. The rain-proof touch wireless doorbell of claim 1, wherein two ends of the arc-shaped protrusion are respectively located at one side of two adjacent studs, and the thickness of the arc-shaped protrusion gradually increases from the two ends to the middle of the arc-shaped protrusion.

3. The rain-resistant touch-sensitive cordless doorbell of claim 2, wherein the thickness of the four sides of the sealing gasket is greater than the thickness of the four corners thereof.

4. The rain-proof touch wireless doorbell of any one of claims 1-3 wherein the arcuate protuberance has a thickness of 2 mm.