CN210574114U

CN210574114U - Doorbell subassembly

Info

Publication number: CN210574114U
Application number: CN201921513374.8U
Authority: CN
Inventors: 黄河; 石将雄
Original assignee: Shenzhen Cmk Technology Co ltd
Current assignee: Shenzhen Cmk Technology Co ltd
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-05-19
Anticipated expiration: 2029-09-11

Abstract

The utility model relates to a doorbell subassembly, this doorbell subassembly include casing, circuit board, clamp plate, sealing member and button, and the button holding is in the storage tank and expose in the casing, and the button holding is held in the storage tank and card, and the partial structure of button supports holds the sealing member, and triggers the electricity controlling part through the sealing member. The sealing piece of the doorbell assembly is accommodated in the accommodating groove and connected with the shell, the pressing plate seals one end of the accommodating groove with the sealing piece, the electric control piece is located at one end of the accommodating groove, and external water is effectively prevented from entering the circuit board to damage the circuit board and the electric control piece.

Description

Doorbell subassembly

Technical Field

The utility model relates to an intelligence doorbell technical field especially relates to a doorbell subassembly.

Background

A gap is reserved between the periphery of a common doorbell button and a door lock panel, so that the doorbell button can be pressed and rebounded, external water can enter the door lock along the gap, and electric control parts in the door lock are easily damaged.

SUMMERY OF THE UTILITY MODEL

Therefore, the doorbell assembly is needed to solve the problems that external water can enter the inside of the door lock and an electric control part inside the door lock is easily damaged.

A doorbell assembly, comprising:

a housing provided with a containing groove;

the sealing element is accommodated in the accommodating groove and is connected with the shell;

the pressing plate is connected with the shell and abuts against the sealing element, so that the sealing element seals one end of the accommodating groove;

the circuit board is arranged on one side of the sealing element, which is far away from the accommodating groove, and is connected to the shell, and the circuit board is provided with an electric control element; and

the key is accommodated in the accommodating groove and clamped in the shell, and part of the structure of the key abuts against the sealing element so as to trigger the electric control element through the sealing element.

The doorbell assembly comprises a shell, a pressing plate, a circuit board, a sealing piece and a key, wherein the key is accommodated in the accommodating groove and exposed out of the shell, the key is accommodated in the accommodating groove and clamped in the shell, part of the structure of the key abuts against the sealing piece, and the sealing piece is used for triggering the power control piece. The sealing piece of the doorbell assembly is accommodated in the accommodating groove and connected with the shell, the pressing plate seals one end of the accommodating groove with the sealing piece, the electric control piece is located at one end of the accommodating groove, and external water is effectively prevented from entering the circuit board to damage the circuit board and the electric control piece.

In one embodiment, the housing includes a casing and a light guide connected to the casing, the light guide is recessed to form the receiving groove, the sealing member is connected to the light guide, and the casing is located on a side of the light guide opposite to the receiving groove and connected to the circuit board.

In one embodiment, the sealing element includes a body and a connecting portion connected to the body, the key abuts against the body, one side of the body facing the circuit board abuts against the electrical control element, the connecting portion is provided with a protrusion, the protrusion protrudes out of one side of the connecting portion facing away from the circuit board, one side of the light guide element facing the circuit board is provided with a limiting groove, and the protrusion is accommodated in the limiting groove.

The connecting part is sunken towards one side of the circuit board to form a sunken area, the sunken area extends to the edge of the connecting part, and at least part of the structure of the pressing plate is accommodated in the sunken area and abuts against the connecting part.

In one embodiment, a touch groove is formed in one side of the body, which faces away from the circuit board, part of the structure of the key is accommodated in the touch groove, and the key can support the body through the groove bottom of the touch groove to trigger the electric control.

In one embodiment, the key comprises a touch part, a clamping part and a pressing part, wherein the touch part and the clamping part are respectively connected with the pressing part and respectively protrude out of one side of the pressing part facing the circuit board; the clamping parts comprise a plurality of clamping parts which are arranged in the circumferential direction of the touch control part at intervals, a gap is formed between the clamping parts and the touch control part, part of the structure of the body is accommodated in the gap and sleeved with the touch control part through the touch control groove, the clamping parts are clamped on the light guide part, and the pressing parts are exposed out of the light guide part.

In one embodiment, the light guide member further has a clamping groove extending to an edge of the light guide member, so that the clamping portion is clamped in the clamping groove.

In one embodiment, the platen is ultrasonically welded to the light guide.

In one embodiment, there is a space between the light guide and the circuit board.

In one embodiment, the doorbell assembly further comprises a light emitter electrically connected to the circuit board, wherein light emitted by the light emitter can be observed from the exposed surface of the light guide.

Drawings

FIG. 1 is a top view of a doorbell assembly in one embodiment;

FIG. 2 is a cross-sectional view of the doorbell assembly shown in FIG. 1;

FIG. 3 is an enlarged view of the doorbell assembly shown in FIG. 2 at A;

FIG. 4 is an exploded view of the doorbell assembly shown in FIG. 1;

FIG. 5 is a perspective view of a seal of the doorbell assembly shown in FIG. 4;

FIG. 6 is a perspective view of a button of the doorbell assembly shown in FIG. 4;

FIG. 7 is a front view of the button of the doorbell assembly shown in FIG. 4;

FIG. 8 is a top view of the housing of the doorbell assembly shown in FIG. 4;

FIG. 9 is a cross-sectional view of the housing of the doorbell assembly shown in FIG. 8;

FIG. 10 is an enlarged view of the housing of the doorbell assembly shown in FIG. 9 at B.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, in an embodiment, a doorbell assembly 10 is provided, the doorbell assembly 10 is installed on a door, can be a push button 500 doorbell, and has a waterproof function, when it is windy and rainy, so that rainwater beats to the door, the rainwater easily invades the inside of the doorbell assembly 10, so that the internal parts are broken down due to water contact, and the waterproof function of the doorbell assembly 10 reduces the risk of the push button 500 of the doorbell assembly 10 failing, and improves the reliability of use thereof. Certainly, the doorbell assembly 10 can also prevent that sweat or other liquid in the service environment on the user's hand from passing through the gap entering doorbell assembly 10 of button 500 department to play better waterproof dustproof effect.

Referring to fig. 2 and 3, in an embodiment, the doorbell assembly 10 includes a housing 100, a sealing element 200, a pressing plate 300, a circuit board 400 and a button 500, wherein the housing 100 defines a receiving groove 121, and the sealing element 200 is received in the receiving groove 121 and connected to the housing 100. The sealing member 200 has good waterproof performance and certain flexible deformation capability, and when the sealing member 200 is connected to the housing 100, one end of the accommodating groove 121 can be sealed, that is, the sealing member 200 can protect one end of the accommodating groove 121 from water intrusion. For example: the sealing member 200 may be a silicone rubber, which also has a certain resilience. In one embodiment, the pressure plate 300 is connected to the housing 100 to press the sealing member 200, so that the sealing member 200 is more firmly connected to the housing 100, further preventing the invasion of water flow. In an embodiment, the circuit board 400 is disposed on a side of the sealing member 200 away from the receiving groove 121 and connected to the housing 100, the housing 100 and the circuit board 400 can be connected by a screw, and the circuit board 400 is provided with an electrical control 410. Specifically, the sealing element 200 may divide the receiving groove 121 into two groove bodies, the two groove bodies are arranged opposite to each other, one of the groove bodies is communicated with the outside, the other groove body is opposite to the groove body and can enclose a sealed cavity with the casing 100 and the circuit board 400, the electric control element 410 is accommodated in the cavity, and the waterproof sealing effect of the electric control element 410 is effectively improved.

In an embodiment, the key 500 is accommodated in the accommodating groove 121 and clamped in the housing 100, and a part of the structure of the key 500 abuts against the sealing member 200 to trigger the electric control member 410 through the sealing member 200. Further, the key 500 may be made of plastic or other hard elements, and when the user presses the key 500, the key 500 presses the sealing member 200 by pressing a portion of the sealing member 200, so that the sealing member 200 is pressed to touch the electrical control element 410, and the ring is turned. After the key 500 is pressed, the reset elasticity of the sealing element 200 can drive the key 500 to automatically reset, so that the use reliability of the key 500 is improved. It can be understood that, in the natural state of the key 500, the key 500 is held at one side of the casing 100, so as to prevent the key 500 from being separated from the accommodating groove 121, i.e. to prevent the key 500 from being loosened.

The doorbell assembly 10 includes a housing 100, a sealing member 200, a pressing plate 300, a circuit board 400 and a button 500, wherein the button 500 is accommodated in the accommodating groove 121 and exposed from the housing 100, one end of the button 500 abuts against the sealing member 200, and the other end thereof engages with the housing 100 and triggers the power control 410 through the sealing member 200. The sealing element 200 of the doorbell assembly 10 is accommodated in the accommodating groove 121 and connected to the housing 100, and encloses a sealed cavity with the circuit board 400, and the electric control element 410 is located in the sealed cavity, so as to effectively prevent external water from entering the circuit board 400 and damaging the circuit board 400 and the electric control element 410.

Referring to fig. 4, in an embodiment, the casing 100 includes an outer shell 110 and a light guide 120 connected to the outer shell 110, and the outer shell 110 and the light guide 120 may be integrally formed to realize seamless connection, so that the waterproof grade can reach IP 68. The light guide 120 is recessed to form a receiving groove 121, the sealing member 200 is connected to the light guide 120, and the housing 110 is located on a side of the light guide 120 opposite to the receiving groove 121 and connected to the circuit board 400. Specifically, the light guide 120 may be a ring-like structure, the housing 110 surrounds the light guide 120 to enclose the light guide 120, and an end of the housing 110 away from the outside is connected to the circuit board 400, which may be a screw connection. Referring to fig. 3, the key 500 is accommodated in the accommodating groove 121 and abuts against the sealing member 200, a part of the structure of the key 500 is clamped to the light guide member 120, and another part of the structure can penetrate through the notch of the accommodating groove 121 or is flush with the height of the notch, so that a user can easily contact the key 500 when pressing the key 500, and further press the key 500. It will be appreciated that the housing 110 and the light guide 120 may be removable for replacement and installation of the weight assembly 10.

Referring to fig. 3 and 5, in an embodiment, the sealing member 200 includes a body 210 and a connecting portion 220 connected to the body 210, the key 500 abuts against the body 210, a side of the body 210 facing the circuit board 400 abuts against the electrical control element 410, and the connecting portion 220 is connected to the light guide element 120. Specifically, when the light guide 120 is annular, the cross section of the receiving groove 121 is substantially disc-shaped, and the sealing element 200 is received in the receiving groove 121, that is, the sealing element 200 may have a disc-like structure, so the body 210 may have a disc-like structure. The connecting portion 220 is connected to the body 210, that is, the connecting portion 220 may be disposed around the body 210, and it is understood that the connecting portion 220 is connected to a circumferential edge of the body 210 and has a ring shape. In an embodiment, the connection portion 220 is provided with a protrusion 221, the protrusion 221 protrudes from a side of the connection portion 220 opposite to the circuit board 400, a side of the light guide member 120 facing the circuit board 400 is provided with a position-limiting groove 125, and the protrusion 221 is accommodated in the position-limiting groove 125. Further, when the connection portion 220 is annular, the protrusion 221 is disposed on the connection portion 220, the protrusion 221 may also be annular and protrudes from the connection portion 220, the protrusion 221 is accommodated in the limiting groove 125, that is, the limiting groove 125 is located on one side of the connection portion 220 facing the circuit board 400, the protrusion 221 and the limiting groove 125 are adapted to each other, and at this time, the cross section of the limiting groove 125 is annular. Because the protrusion 221 and the limiting groove 125 are matched with each other for sealing, when water flows in along the gap between the housing 110 and the key 500, the water flow is accumulated at the body 210 and does not flow into the sealed cavity through the connecting part 220, thereby effectively enhancing the waterproof performance.

Referring to fig. 3, in an embodiment, the connection portion 220 is recessed toward one side of the circuit board 400 to form a recessed area 223, the recessed area 223 extends to an edge of the connection portion 220, and at least a portion of the structure of the pressing plate 300 is received in the recessed area 223 and presses against the connection portion 220. Specifically, the pressing plate 300 presses the connecting portion 220 through the recessed area 223, wherein the pressing plate 300 includes a pressing portion 310 and a fusing portion 320, the pressing portion 310 and the fusing portion 320 are integrally formed, the pressing portion 310 can be accommodated in the recessed area 223 and presses the connecting portion 220, the shape of the pressing portion 310 is matched with the shape of the recessed area 223, and when the fusing portion 320 is connected with the light guide 120, the pressing portion 310 presses the connecting portion 220 to achieve sealing connection. In another embodiment, the pressing plate 300 may not include the abutting portion 310 and the fusing portion 320, that is, the entire structure of the pressing plate 300 abuts against the concave region 223, and the opening of one side of the pressing plate 300 protruding out of the concave region 223 is flush, so as to facilitate the fusing of the light guide 120.

In one embodiment, the platen 300 is ultrasonically welded to the light guide 120. Specifically, the pressing plate 300 is connected to the light guide member 120 and abuts against the sealing member 200, that is, the pressing plate 300 can abut against the sealing member 200 first, and then the pressing plate 300 and the light guide member 120 are welded together by the ultrasonic welding process, at this time, the pressing plate 300 and the light guide member 120 cannot be separated, the pressing force of the pressing plate 300 pressing the sealing member 200 is large and uniform, the sealing effect of the sealing member 200 is enhanced, and water flow is prevented from entering the circuit board 400. In other embodiments, a pressing cavity may be preset before the pressing plate 300 and the light guide 120 are fused, so that when the pressing plate 300 presses the sealing member 200, the sealing member 200 is prevented from being extruded out due to an excessive pressing force in the pressing cavity. It can be understood that the sealing member 200 in the pressing cavity can be preset with a larger pre-pressing amount for a high waterproof grade, and the pressing force can reach the IP68 waterproof grade, so that better waterproof and dustproof performance can be obtained.

Further, because the pressing plate 300 is connected with the light guide member 120 through the fusing process, the light guide member 120 can be preset with a sufficient space, so that when the pressing plate 300 is fused on the light guide member 120, a gap still exists, that is, a gap can exist between the pressing plate 300 and the circuit board 400, and further a gap can exist between the connecting portion 220 and the circuit board 400, thereby preventing the pressing plate 300 from generating pressure on the circuit board 400, and enabling elements of the circuit board 400 to be damaged. The thickness of the pressing plate 300 may be thinner, so that the thickness of the casing 100 is thinner, and further the thickness of the casing 100 may be 4mm or more, so that the thickness of the casing 100 is as thin as possible.

Referring to fig. 4 and 5, in an embodiment, a touch groove 211 is formed on a side of the body 210 opposite to the circuit board 400, and a part of the structure of the key 500 is accommodated in the touch groove 211 and can be abutted against the body 210 through a groove bottom of the touch groove 211 to trigger the electric control element 410. The partial structure of the key 500 is matched with the touch groove 211, when the user presses the key 500, the key 500 abuts against the groove bottom of the touch groove 211 and presses the body 210, and the body 210 presses the fixing part to deform the fixing part, so that the body 210 triggers the electric control element 410 to ring. Referring to fig. 7, in an embodiment, the key 500 includes a touch portion 510, a holding portion 520 and a pressing portion 530, the touch portion 510 and the holding portion 520 are respectively connected to the pressing portion 530 and respectively protrude from a side of the pressing portion 530 facing the circuit board 400, wherein the touch portion 510, the holding portion 520 and the pressing portion 530 can be further integrally formed. Specifically, the touch portion 510 is accommodated in the touch groove 211 to abut against the sealing member 200 for assembly positioning, the retaining portion 520 is retained in the light guide 120 to prevent the key 500 from coming off, and the pressing portion 530 is exposed out of the light guide 120. The cross section of the pressing part 530 can be in a shape of a circle, a square, a rectangle, a prism and the like which is convenient for a user to press, when the cross section of the pressing part 530 is circular, the diameter of the pressing part 530 can be larger than 25mm, and the practical feeling of the user can be improved due to the large contact area. It is understood that the pressing part 530 may be designed in a shape having a middle thickness smaller than an edge thickness, and the pressing feeling is more comfortable when the user presses the pressing part 530.

Referring to fig. 3, 6 and 7, in an embodiment, the retainer 520 includes a plurality of retainers spaced apart from each other in a circumferential direction of the touch portion 510. Specifically, the latching portions 520 are substantially hook-shaped, and at least 4 latching portions 520 are provided, where the 4 latching portions 520 are arranged at equal intervals in the circumferential direction of the touch portion 510 to keep the button balance, and the touch portion 510 located in the touch groove 211 is a point of application of the touch power control element 410. In the process of pressing the key 500 by the user, for example, in the limit case when the user presses the edge of the key 500, the arrangement of the above structure enables the clamping portion 520 of the key 500 opposite to the pressing position to be used as the fulcrum of the lever, and the touch portion 510 can be displaced inward by utilizing the lever principle, so as to trigger the electric control element 410 through the sealing element 200. Similarly, by using the lever principle, when the user presses another position on the surface of the pressing portion 530, the touch portion 510 can be pressed, so that the touch portion 510 presses the sealing member 200, and the sealing member 200 deforms to trigger the power control element 410. It is understood that the retainer 520 may also surround the periphery of the touch-sensing part 510, i.e., the retainer 520 may also be shaped like a ring and is retained on the light guide 120. Referring to fig. 8, 9 and 10, in an embodiment, the light guide 120 further has a slot 123, and the slot 123 extends to the edge of the light guide 120, so that the retaining portion 520 is retained in the slot 123. Further, the shape of the slot 123 can be adapted to the shape of the retaining portion 520, so that the retaining portion 520 can be stably retained on the light guide 120. The clamping part 520 can prevent the key 500 from falling off the accommodating groove 121, so that the assembly limiting effect is achieved, and the assembly efficiency is effectively improved. The area of the pressing portion 530 of the key 500 may be slightly larger, and a ball is carved on the surface of the pressing portion 530, so as to increase the interest of the user.

Referring to fig. 3 and 7, in an embodiment, a gap is formed between the holding portion 520 and the touch portion 510, and a part of the structure of the body 210 is accommodated in the gap and sleeved on the touch portion 510 through the touch slot 211. Specifically, when the touch portion 510 is accommodated in the touch groove 211, the groove wall of the touch groove 211 can be accommodated in the gap between the retaining portion 520 and the touch portion 510, and the retaining portion 520 is clamped with the clamping groove 123, so that the matching relationship between the key 500 and the sealing member 200 is closer, and the waterproof coefficient is higher.

Referring to fig. 3, in an embodiment, the doorbell assembly 10 further comprises a light emitter 600, the light emitter 600 is electrically connected to the circuit board 400, and light emitted from the light emitter 600 can be observed from the exposed surface of the light guide 120. Specifically, the light guide member 120 may be a light-transmitting material, the light emitting member 600 may be an LED lamp, and the circuit board 400 is arranged in an array, and the circuit board 400 may cause the LED lamp to emit light, for example, the light transmittance of the circuit board is over 60%. When the LED lamp is luminous, the light that sends reachs leaded light piece 120 and shows from the surface of leaded light piece 120, makes doorbell subassembly 10 increase a gloss, when leaded light piece 120 shows that the surface in the external world is cyclic annular, the luminous piece 600 of array arrangement is luminous after, can realize the effect of horse race lamp on the surface of leaded light piece 120 to can promote doorbell subassembly 10's decorative effect. In particular, in a dim light environment such as at night, the light emitting member 600 may be provided such that a user can easily observe the position of the doorbell assembly 10 to enhance convenience of use.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A doorbell assembly, comprising:

a housing provided with a containing groove;

2. The doorbell assembly of claim 1, wherein the housing comprises an outer shell and a light guide connected to the outer shell, the light guide recessed to form the receiving groove, the sealing member connected to the light guide, the outer shell positioned on a side of the light guide facing away from the receiving groove and connected to the circuit board.

3. The doorbell assembly of claim 2, wherein the sealing element comprises a body and a connecting portion connected to the body, the button abuts against the body, one side of the body facing the circuit board abuts against the electrical control, the connecting portion is provided with a protrusion protruding from one side of the connecting portion facing away from the circuit board, one side of the light guide element facing the circuit board is provided with a limiting groove, and the protrusion is accommodated in the limiting groove.

4. The doorbell assembly of claim 3, wherein a side of the connector portion facing the circuit board is recessed to form a recessed area, the recessed area extending to an edge of the connector portion, at least a portion of the structure of the pressure plate being received in the recessed area and pressing against the connector portion.

5. The doorbell assembly of claim 3, wherein a touch slot is disposed on a side of the body opposite to the circuit board, a portion of the button is received in the touch slot, and the button is configured to abut against the body via a bottom of the touch slot to trigger the electrical control.

6. The doorbell assembly of claim 5, wherein the button comprises a touch portion, a latching portion, and a pressing portion, the touch portion and the latching portion are respectively connected to the pressing portion and respectively protrude from a side of the pressing portion facing the circuit board; the clamping parts comprise a plurality of clamping parts which are arranged in the circumferential direction of the touch control part at intervals, a gap is formed between the clamping parts and the touch control part, part of the structure of the body is accommodated in the gap and sleeved with the touch control part through the touch control groove, the clamping parts are clamped on the light guide part, and the pressing parts are exposed out of the light guide part.

7. The doorbell assembly of claim 6, wherein the light guide further defines a slot extending to an edge of the light guide such that the retaining portion is retained in the slot.

8. The doorbell assembly of any one of claims 2-7, wherein the pressure plate is ultrasonically welded to the light guide.

9. The doorbell assembly of claim 8, wherein a space exists between the light guide and the circuit board.

10. The doorbell assembly of claim 9, further comprising a light emitter electrically connected to the circuit board, wherein light emitted by the light emitter is viewable from an exposed surface of the light guide.