Key device and door handle assembly

Abstract

The utility model relates to a kind of key device, comprising: base, the printed circuit board being set to the base outside, the support framework being elastically set to the base inside and key body, key body is fixedly arranged in the base inside, support framework is clamped between the key body in the base inside, microswitch is set on printed circuit board and from the inside of base and appears from the base of passing through base.Support framework has framework bottom plate and the protruding block that protrudes from framework bottom plate;Key body has pedestal and the longitudinal protruding portion that extends from pedestal towards outside;The inner wall of longitudinal protruding portion and the bottom end of protruding block contact, the top end of protruding block and microswitch contact.The key device of the present application adopts super-long button structure, which is beneficial for blind operation in the position that cannot be seen on the handlebar;And using spring and microswitch structure, it realizes that comfortable pressing feeling and the function of executing on-off trigger signal can be achieved in any position pressing.

Description

Technical Field

[0001] This utility model relates to the field of automotive parts technology, and in particular to a button device and a door handle assembly. Background Technology

[0002] As is well known, door handle sensors with key-activated start systems have long been widely used in the automotive industry. When someone pulls the door handle in an attempt to open the door, the door handle sensor transmits a signal to the system indicating that the door handle has been touched, thus activating the PEPS (Pre-Activated Shared Access System). Currently, the two types of door handle sensors in practical applications are capacitive and photoelectric.

[0003] For example, capacitive sensors utilize the high-frequency current path formed by the distributed capacitance between a metal plate inside the door handle and a human hand. By detecting the magnitude of the high-frequency current flowing between them, the proximity of a hand can be sensed. Another type is the photoelectric sensor, which uses a reflector attached to the inside of the door handle, with a photoelectric unit mounted on the door opposite the handle. When a hand grips the handle, it blocks the light, triggering the sensor's action.

[0004] The aforementioned existing door handle sensors, combined with related peripheral components, form a button. The user touches the button to activate the sensor, triggering the car door to open. However, these existing buttons are relatively short and have a small contact area. This means that when a user places their hand inside a semi-concealed door handle, it takes time to locate the button and trigger the sensor. In other words, existing buttons make it difficult for users to operate blindly within the unseen space of the door handle, resulting in inconvenience.

[0005] In addition, existing buttons have the following drawbacks: when users touch the buttons, they cannot freely touch any part of the button. Instead, the sensor can only detect the button when the user touches a specific part of the button, such as the middle. Touching other parts will cause the button to get stuck in that position after being pressed and unable to return to its original position. Furthermore, the pressing feel of existing buttons is poor.

[0006] Therefore, it is necessary to provide an improved button device and door handle assembly to overcome the shortcomings of the prior art. Utility Model Content

[0007] The purpose of this utility model is to solve the above-mentioned problems and provide a button device and a door handle assembly.

[0008] To achieve the objectives of this utility model, the following technical solution is adopted:

[0009] A button device includes: a base, a printed circuit board disposed on the outer side of the base, a support frame elastically disposed on the inner side of the base, and a button body. The button body is fixed to the inner side of the base, and the support frame is sandwiched between the button body and the inner side of the base. A micro switch is disposed on the printed circuit board, passing through the base and protruding from the inner side of the base. The support frame has a base plate and a protrusion protruding from the base plate. The button body has a base and an elongated protrusion extending outward from the base. The inner wall of the elongated protrusion contacts the bottom end of the protrusion, and the top end of the protrusion contacts the micro switch.

[0010] Preferably, a window is provided on the base; the micro switch passes through the window and protrudes from the inside of the base.

[0011] Preferably, a compression spring is provided between the base and the supporting frame. More preferably, a retaining post is provided on the inner side of the base, and a spring hole is formed in the retaining post; the compression spring is disposed in the spring hole. Still preferably, one end of the compression spring abuts against the bottom of the spring hole, and the other end abuts against the base plate of the frame. A pushing post extends from the base plate of the frame, and the pushing post abuts against the other end of the compression spring. The pushing post is respectively disposed at the left and right ends of the protrusion.

[0012] Preferably, an encapsulating adhesive layer is provided on the outer side of the base, and the encapsulating adhesive layer seals the printed circuit board onto the base.

[0013] Optionally, a sealing gasket is provided between the base and the substructure of the button body.

[0014] This utility model also provides a door handle assembly, including: a handle housing and a handle disposed on the handle housing, with an operating space formed between the handle housing and the handle; the aforementioned button device is disposed on the side of the handle away from the operating space, and the elongated protrusion of the button device contacts the handle.

[0015] Compared with the prior art, the advantages of this utility model are as follows:

[0016] Because the support frame is located inside the base, the button body is fixed inside the base, and the support frame is sandwiched between the button body and the base, a micro switch is installed on the printed circuit board, the support frame has a protrusion, and the button body has a longitudinally elongated protrusion. The inner wall of the longitudinally elongated protrusion contacts the bottom end of the protrusion, and the top end of the protrusion contacts the micro switch. Therefore, when the user's palm is placed inside the door handle, there is no need to locate the button body; the user can quickly and freely touch any part of the button body, thereby quickly triggering the micro switch and ultimately opening the door.

[0017] In addition, the bump acts as a force transmission medium, accurately transmitting the pressure of the button body to the micro switch and avoiding accidental triggering.

[0018] Furthermore, because the support frame is elastically set inside the base, this elasticity makes it easy and simple to reset the button body. There is no defect that the support frame gets stuck in a certain position after being pressed down and cannot bounce back. Therefore, the pressing feel is good and the user operation experience is high.

[0019] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and will become apparent from the description or may be learned by practice of the invention. Attached Figure Description

[0020] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the following description of the embodiments taken in conjunction with the accompanying drawings, in which:

[0021] Figure 1 This is an exploded perspective view of a button device according to an embodiment of the present invention.

[0022] Figure 2 This is a top view of a button device according to an embodiment of the present invention.

[0023] Figure 3 for Figure 2 A cross-sectional view of the button device along the BB direction.

[0024] Figure 4 This is a structural diagram of a door handle assembly according to an embodiment of the present invention.

[0025] Figure 5 for Figure 4 The diagram shows a magnified structural cross-sectional view of the handle assembly along the AA direction. Detailed Implementation

[0026] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model and should not be construed as limiting this utility model.

[0027] Those skilled in the art will understand that, unless specifically stated otherwise, the singular forms “a,” “an,” “the,” and “the” used herein may also include the plural forms. It should be further understood that the term “comprising” as used in this specification means the presence of the stated features, integers, steps, operations, elements, and / or components, but does not exclude the presence or addition of one or more other features, integers, steps, operations, elements, and / or components, nor does it exclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof. It should be understood that when we say an element is “connected” or “coupled” to another element, it can be directly connected or coupled to the other element, or there may be intermediate elements. Furthermore, “connected” or “coupled” as used herein can include wireless connection or wireless coupling. The term “and / or” as used herein includes all or any unit and all combinations of one or more associated listed items.

[0028] It will be understood by those skilled in the art that, unless otherwise defined, all terms used herein (including technical and scientific terms) have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. It should also be understood that terms such as those defined in general dictionaries should be understood to have the same meaning as in the context of the prior art, and should not be interpreted in an idealized or overly formal sense unless specifically defined as herein.

[0029] In one embodiment of this utility model, reference is made to Figure 1-3 A button device 100 includes: a base 10, a printed circuit board 40 disposed on the outside of the base 10, a support frame 20 elastically disposed on the inside of the base 10, and a button body 30. The button body 30 is fixed to the inside of the base 10, and the support frame 20 is sandwiched between the button body 30 and the inside of the base 10. The printed circuit board 40 is provided with a micro switch 42 that passes through the base 10 and protrudes from the inside of the base 10.

[0030] The base 10 can preferably be made of a plastic material with good structural strength and processed by an appropriate process such as injection molding, so that the entire base 10 has sufficient structural stability and will not deform after assembling other components, which would cause the entire button device to malfunction.

[0031] Printed circuit board 40 is a traditional printed circuit board used to realize signal conversion, transmission and control functions.

[0032] Both the support frame 20 and the button body 30 can be made of similar plastic materials to save costs and reduce product weight.

[0033] Here, the support frame 20 has a frame base plate 22 and a protrusion 24 protruding from the frame base plate 22; correspondingly, the button body 30 has a base 32 and an elongated protrusion 34 extending outward from the base 32. The inner wall of the elongated protrusion 34 contacts the bottom end of the protrusion 24, and the top end of the protrusion 24 contacts the micro switch 42.

[0034] With the above structure, when a user touches the protrusion 34 of the button body 30, for example at... Figure 5 In this case, the entire button device 100 is located inside the handle 204. When the user puts his hand into the operating space 206 and blindly touches the position on the handle 204 corresponding to the protrusion 34, the protrusion 34 is slightly pushed. The protrusion 34 transmits this external force to the protrusion 24, which then transmits the external force to the micro switch 42, thereby triggering the micro switch 42 and enabling the car door to open.

[0035] In this embodiment, a support frame is disposed inside the base, the button body is fixed inside the base, the support frame is sandwiched between the button body and the inside of the base, a micro switch is disposed on the printed circuit board, the support frame has a protrusion, the button body has a longitudinally elongated protrusion, the inner wall of the longitudinally elongated protrusion contacts the bottom end of the protrusion, and the top end of the protrusion contacts the micro switch. Therefore, when the user's palm is placed inside the door handle, there is no need to locate the button body position, and the user can touch any position of the button body at will, quickly realizing the triggering action of the micro switch, and finally realizing the door opening action.

[0036] In one embodiment, a window 14 is provided on the base 10; the micro switch 42 passes through the window 14 and protrudes from the inside of the base 10. By providing a window, the micro switch can pass through the base and protrude from the other side of the base, which facilitates direct contact between the micro switch and the protrusion 24 of the supporting frame. Here, the specific shape of the window is not limited, and it is usually determined according to the overall cross-sectional shape of the corresponding micro switch, such as a circular window, a square window, or a window of other shapes.

[0037] In order to enable users to achieve a comfortable pressing feel and execute the micro switch conduction trigger signal by pressing at any position, a compression spring 70 can be set between the base 10 and the support frame 20. For example, compression springs 70 can be set on the left and right sides of the micro switch 42 respectively, and the two compression springs 70 are equally distributed on both sides of the micro switch 42, so that the entire support frame 20 is subjected to uniform force.

[0038] The compression spring 70 can be installed using the following structure: a retaining post 12 is provided on the inner side of the base 10, and a spring hole 122 is formed in the retaining post 12; the compression spring 70 is placed in the spring hole 122. By using the spring hole 122 of the retaining post 12 to place the compression spring 70, the compression movement path of the compression spring 70 is guided, preventing the compression spring 70 from deflecting during compression and reducing the elastic compression effect of the compression spring 70.

[0039] Preferably, one end of the compression spring 70 abuts against the bottom of the spring hole 122, and the other end abuts against the frame base plate 22. This structure achieves an elastic connection between the support frame 20 and the base 10.

[0040] More preferably, a pushing post 26 extends from the frame base plate 12 and abuts against the other end of the compression spring 70. The pushing post 26 can further compress the compression spring 70, thus providing stronger elasticity. At the same time, the pushing post 26 also guides the movement of the compression spring 70, preventing the compression action of the compression spring 70 from deviating.

[0041] As an improved embodiment, the push-pressing posts 26 are respectively disposed at the left and right ends of the protrusion 24. In this way, the push-pressing posts 26 can push the two compression springs 70 respectively, and the two compression springs 70 are equidistantly distributed on both sides of the micro switch 42, thereby making the entire support frame 20 subjected to uniform force.

[0042] Furthermore, to achieve a waterproof effect for the entire button device, an encapsulating adhesive can be applied to the outer side of the base 10. After curing, the encapsulating adhesive layer 60 forms, sealing the printed circuit board 40 onto the base 10, thereby achieving a waterproof effect and preventing external moisture from entering the button device. (See top view of the printed circuit board and other components.) To further enhance the waterproof effect, a sealing gasket 50 is sandwiched between the base 32 of the button body 30 and the base 10, filling the gap between them and preventing external moisture from entering the space between them.

[0043] refer to Figure 4-5 This utility model also provides a door handle assembly 200, including: a handle housing 202 and a handle 204 disposed on the handle housing 202, wherein an operating space 206 is formed between the handle housing 202 and the handle 204. A button device 100 described in the above embodiments is disposed on the side of the handle 204 away from the operating space 206, and the longitudinally elongated protrusion 34 of the button device 100 contacts the handle 204.

[0044] When the user touches the protrusion 34 of the button body 30, the entire button device 100 is located inside the handle 204. The user puts his hand into the operating space 206 and blindly touches the position on the handle 204 corresponding to the protrusion 34, so that the protrusion 34 is slightly pushed. The protrusion 34 transmits this external force to the bump 24, and the bump 24 then transmits the external force to the micro switch 42, thereby realizing the triggering action of the micro switch 42 and realizing the action of opening the car door.

[0045] Those skilled in the art will understand that the steps, measures, and solutions in the various operations, methods, and processes discussed in this application can be alternated, modified, combined, or deleted. Furthermore, other steps, measures, and solutions in the various operations, methods, and processes discussed in this application can also be alternated, modified, rearranged, decomposed, combined, or deleted. Furthermore, steps, measures, and solutions in the prior art that are similar to those disclosed in this application can also be alternated, modified, rearranged, decomposed, combined, or deleted.

[0046] The above description is only a partial embodiment of this application. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this application, and these improvements and modifications should also be considered within the scope of protection of this application.

Claims

1. A button device, comprising: The device comprises a base, a printed circuit board disposed on the outer side of the base, a support frame elastically disposed on the inner side of the base, and a button body. The button body is fixed to the inner side of the base, and the support frame is sandwiched between the button body and the inner side of the base. A micro switch is disposed on the printed circuit board, passing through the base and protruding from the inner side of the base. The support frame has a base plate and a protrusion protruding from the base plate. The button body has a base and an elongated protrusion extending outward from the base. The inner wall of the elongated protrusion contacts the bottom end of the protrusion, and the top end of the protrusion contacts the micro switch.

2. The button device according to claim 1, characterized in that: A window is provided on the base; the micro switch passes through the window and protrudes from the inside of the base.

3. The button device according to claim 1, characterized in that: A compression spring is provided between the base and the support frame.

4. The button device according to claim 3, characterized in that: A retaining post is provided on the inner side of the base, and a spring hole is provided in the retaining post; a compression spring is provided in the spring hole.

5. The button device according to claim 4, characterized in that: One end of the compression spring abuts against the bottom of the spring hole, and the other end abuts against the frame base plate.

6. The button device according to claim 5, characterized in that: A push-press column extends from the base plate of the skeleton and abuts against the other end of the compression spring.

7. The button device according to claim 6, characterized in that: The push-pressing pins are respectively located at the left and right ends of the protrusion.

8. The button device according to claim 1, characterized in that: An encapsulating adhesive layer is provided on the outer side of the base, and the encapsulating adhesive layer seals the printed circuit board onto the base.

9. The button device according to claim 1, characterized in that: A sealing gasket is provided between the base and the base of the button body.

10. A door handle assembly, comprising: A handle housing and a handle disposed on the handle housing, wherein an operating space is formed between the handle housing and the handle; characterized in that: a button device as described in any one of claims 1-9 is disposed on the side of the handle away from the operating space, and the elongated protrusion of the button device contacts the handle.

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