Linear shaft key compatible with mechanical shaft
By integrating electrical components into a PCB board within the mechanical axis button and connecting them using conductive pins, the incompatibility between mechanical contacts and non-contact switch circuit boards is resolved, achieving an upgrade in button functionality compatibility and flexibility.
Patent Information
- Application Number
- CN202520239147.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-14
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2035-02-14
AI Technical Summary
The circuit boards of existing mechanical contact switches and non-contact switches are incompatible, which means that the entire key socket must be replaced when replacing electrical components, increasing costs and reducing design and maintenance flexibility.
Design a linear axis button compatible with mechanical axes. The button integrates electrical components on a built-in PCB board and connects to a connector via conductive pins. The trigger element on the handle triggers an electrical signal and supports detachable installation.
It achieves compatibility and flexibility of button functions, reduces maintenance and upgrade costs, and improves the applicability of the design.
Smart Images
Figure CN223584165U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of key, concretely relates to a linear shaft key compatible with mechanical shaft. BACKGROUND
[0002] The traditional mechanical contact switch key (contact type switch key) is generally inserted into the external circuit board provided with the socket by the pin of the key seat and is welded to realize the conduction and fixed installation. The existing non-contact switch key (such as Hall switch, light pair tube switch, inductance switch, etc.) is mostly to set the signal generating element of switch triggering on the circuit board outside the key seat, such as the electrical component patch of Hall device, light pair tube, inductance coil on the circuit board outside the key, and the key itself does not set the electrical component inside, and does not need the conduction pin. The difference leads to the complete incompatibility of the external circuit board of the contact type switch key and the external circuit board of the non-contact switch key.
[0003] When facing the function upgrade of the key (such as replacing different electrical components) or the failure of a certain electronic component, the method of patching the electrical component on the circuit board outside the key often leads to the replacement of the whole key seat external circuit board, which not only increases the cost, but also reduces the flexibility of key design and maintenance. The existing patent has the built-in PCB board inserted into the slot in the key seat, and realizes the electrical connection with the fixed conduction end in the key seat, but this way needs to make more slots in the key seat, and the direction of the built-in PCB board needs to be aligned when inserting, and the assembly efficiency is not enough, and the application aims at providing a new way to solve the compatibility and upgrade problem. UTILITY MODEL CONTENT
[0004] In view of the above problems, the utility model aims at providing a linear shaft key compatible with mechanical shaft.
[0005] To achieve the technical purpose, the scheme of the utility model is: a linear shaft key compatible with mechanical shaft, including key seat, reset spring and the press handle that can move up and down on the key seat, the key still includes the built-in PCB board integrated with connector, the built-in PCB board is pasted with electrical component for generating switch signal, the built-in PCB board is detachably installed in the key seat, and the bottom of the connector extends the conduction pin.
[0006] As preferred, the conduction pin extends upwards to form the elastic connecting head, the built-in PCB board is equipped with the connecting through hole, and the elastic connecting head is inserted into the connecting through hole to realize the electrical connection card.
[0007] As preferred, the elastic connector is L-shaped bending structure, the horizontal section is parallel to the built-in PCB, and the vertical section is perpendicular to the built-in PCB.
[0008] As preferred, the key cover covering the top of the key seat is further included, the conductive pin extends upward to form a limiting top end, and the limiting top end is located outside the edge of the built-in PCB and forms a limiting fit with the inner wall of the key cover.
[0009] As preferred, at least two mounting holes are arranged on the built-in PCB, and mounting columns corresponding to the mounting holes are arranged on the key seat, and the mounting columns pass through the mounting holes on the built-in PCB to achieve detachable fixing.
[0010] As preferred, the T-shaped trigger shaft independently arranged is further included, the trigger shaft is composed of a shaft top and a shaft body, the shaft top abuts against the center of the bottom of the handle, and the reset spring is sleeved outside the shaft body, one end of the reset spring abuts against the key seat, and the other end abuts against the bottom of the shaft top.
[0011] As preferred, the electrical element is a light pair tube assembly pasted on the bottom of the built-in PCB, the light pair tube assembly comprises spaced apart light emitting elements and light receiving elements; the trigger element is a grating hole transversely penetrating the shaft body, and the grating hole changes the light path of the light pair tube assembly when the shaft body moves.
[0012] As preferred, the electrical element is a Hall element pasted on the built-in PCB, the trigger element is a magnetic piece embedded on the shaft body and corresponding to the Hall element, and the magnetic piece changes the magnetic field strength of the Hall element when the shaft body moves.
[0013] The beneficial effects of the utility model are as follows: the electrical element and the connector with the conductive pin are assembled on the built-in PCB, the trigger element capable of triggering the electrical element to generate an electrical signal is arranged on the handle, so that the key simultaneously has the functions of the linear press shaft and the mechanical press shaft; the key has wide applicability, improves the design flexibility, and is beneficial to subsequent maintenance and upgrading. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a structural schematic view of the utility model;
[0015] Figure 2 It is an explosion view of the utility model;
[0016] Figure 3 It is a structural schematic view of the key seat in the utility model;
[0017] Figure 4 It is a structural schematic view of the built-in PCB and the connector mounted in the key seat in the utility model;
[0018] Figure 5The utility model discloses a connector and the structure diagram of built-in PCB board one of second in the utility model,
[0019] Figure 6 The utility model discloses a connector and the structure diagram of built-in PCB board two of second in the utility model,
[0020] Figure 7 The utility model discloses a connector and the structure diagram of built-in PCB board one of second in the utility model,
[0021] Figure 8 The utility model discloses a connector and the structure diagram of built-in PCB board one of second in the utility model,
[0022] In the drawing: 1, key seat, 11, mounting column, 2, reset spring, 3, press handle, 4, connector, 41, conductive pin, 42, elastic connecting head, 43, limit top end, 5, built-in PCB board, 51, connecting through hole, 52, mounting hole, 6, key cover, 7, trigger shaft, 71, shaft top, 72, shaft body, 73, grating hole, 8, light tube assembly. DETAILED DESCRIPTION
[0023] The utility model will be further explained in detail below in combination with the drawings and specific embodiment. In order to clearly and completely describe the technical scheme, the following embodiment is selected to explain, and the following embodiment is a part of the embodiment of the utility model. Based on the application, other embodiments obtained without making creative work also belong to the protection scope of the utility model.
[0024] In the following embodiment, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", "top / bottom" and other orientation or position relationship are based on the orientation or position relationship shown in the drawing, and are only for the convenience of clearly describing the embodiment, and do not indicate or imply that the device or element must have a specific orientation, so it cannot be understood as a limitation on the application. At the same time, "first", "second" in the embodiment are only used for distinguishing description purposes, and do not represent relative importance.
[0025] As shown in Figures 1-8 The specific embodiment one is a linear light shaft key compatible with mechanical shaft, including key seat 1, reset spring 2 and press handle 3 that can move up and down on the key seat 1, the inside of key seat 1 is equipped with guide groove to ensure the vertical movement of press handle 3, the key still includes the built-in PCB board 5 integrated with connector 4, the built-in PCB board 5 is pasted with light tube assembly 8 for generating switch signal, the built-in PCB board 5 is detachably installed in the key seat 1, and the bottom of connector 4 extends with conductive pin 41,
[0026] The connector 4 is composed of a conductive pin 41, an elastic connecting head 42 and a limiting top end 43, the conductive pin 41 extends upwards to form the elastic connecting head 42, the built-in PCB board 5 is provided with a connecting through hole 51, the elastic connecting head 42 is preferably a fisheye structure, the elastic connecting head 42 is compressed to pass through the connecting through hole 51, and the elastic connecting head is electrically connected with the built-in PCB board 5.
[0027] The elastic connecting head 42 is an L-shaped bending structure, the horizontal segment of the L-shaped bending structure is parallel to the built-in PCB board 5, and the vertical segment is perpendicular to the built-in PCB board 5. The L-shaped bending structure of the conductive pin 41 simultaneously provides electrical connection and keeps stable, and contact failure caused by vibration is avoided.
[0028] Further comprising a key cover 6 covering the top of the key seat 1, for protecting internal components and limiting the upward stroke of the press handle 3, the conductive pin 41 extends upwards to form the limiting top end 43, the limiting top end 43 is located outside the edge of the built-in PCB board 5 and forms a limiting fit with the inner wall of the key cover 6, the key cover 6 and the key seat 1 form a closed structure, and the position of the built-in PCB board 5 is kept stable through the limiting top end 43.
[0029] In order to facilitate the installation of the built-in PCB board 5, at least two mounting holes 52 are provided on the built-in PCB board 5, and mounting columns 11 are correspondingly provided on the key seat 1, the mounting columns 11 pass through the mounting holes 52 on the built-in PCB board 5 to realize detachable fixing.
[0030] In order to make the pressing stable, a T-shaped trigger shaft 7 independently provided is further included, the trigger shaft 7 is composed of a shaft top 71 and a shaft body 72, the shaft top 71 abuts against the bottom center of the press handle 3, the reset spring 2 is sleeved outside the shaft body 72, one end of the reset spring 2 abuts against the key seat 1, and the other end abuts against the bottom of the shaft top 71.
[0031] The press handle 3 is provided with a grating hole 73 matched with the light pipe assembly 8, the light pipe assembly 8 is provided on the patch of the PCB board, and the light pipe assembly 8 includes spaced-apart light emitting elements and light receiving elements. The grating hole 73 on the shaft body 72 passes through the light path of the light pipe assembly 8, so that the photosensitive element generates a continuously changing electrical signal.
[0032] As a specific embodiment two of the utility model, the difference from the embodiment one lies in that the embodiment is a linear magnetic shaft key compatible with a mechanical shaft, the built-in PCB board patch is a Hall element instead of a light pipe assembly, and the shaft body is nested with a magnetic piece correspondingly arranged with the Hall element, and the magnetic piece changes the magnetic field strength of the Hall element with the shaft body moving.
[0033] The above is only a preferred embodiment of the utility model, and is not used to limit the utility model, any slight modification, equivalent replacement and improvement made according to the technical essence of the utility model to the above embodiment should be included in the protection range of the technical scheme of the utility model.
Claims
1. A linear shaft key compatible with a mechanical shaft, comprising a key seat (1), a return spring (2) and a key handle (3) capable of moving up and down on the key seat (1), characterized in that: The key further comprises an integrated connector (4) of an internal PCB board (5) on which a patch of electrical elements for generating a switching signal is attached, the internal PCB board (5) is detachably mounted in the key seat (1), and the bottom of the connector (4) extends with a conductive pin (41); the handle (3) is provided with a trigger element matched with the electrical elements, and the trigger element moves with the handle (3) to trigger the electrical elements to generate a linear switching signal.
2. A mechanical shaft compatible linear shaft key according to claim 1, characterized in that: The conductive pin (41) extends upward to form an elastic connecting head (42), and the internal PCB board (5) is provided with a connecting through hole (51), and the elastic connecting head (42) is inserted into the connecting through hole (51) to realize electrical connection.
3. A mechanical shaft compatible linear shaft key according to claim 2, wherein: The elastic connecting head (42) is an L-shaped bending structure, the horizontal segment of which is parallel to the internal PCB board (5), and the vertical segment is perpendicular to the internal PCB board (5).
4. A mechanical shaft compatible linear shaft key according to claim 3, wherein: It further comprises a key cover (6) covering the top of the key seat (1), the conductive pin (41) extends upward to form a limiting top stop end (43), and the limiting top stop end (43) is located outside the edge of the internal PCB board (5) and forms a limiting cooperation with the inner wall of the key cover (6).
5. A mechanical shaft compatible linear shaft key according to claim 4, characterized in that: The internal PCB board (5) is provided with at least two mounting holes (52), and the key seat (1) is correspondingly provided with mounting columns (11), and the mounting columns (11) pass through the mounting holes (52) on the internal PCB board (5) to realize detachable fixation.
6. A mechanical shaft compatible linear shaft key according to any one of claims 1 to 5, characterized in that: It further comprises a separately arranged T-shaped trigger shaft (7) which is composed of a shaft top (71) and a shaft body (72), the shaft top (71) abuts against the bottom center of the handle (3), and the reset spring (2) is sleeved outside the shaft body (72), one end of the reset spring (2) abuts against the key seat (1), and the other end abuts against the bottom of the shaft top (71).
7. A mechanical shaft compatible linear shaft key according to claim 6, characterized in that: The electrical element is a light pair tube assembly (8) attached to the bottom of the internal PCB board (5), the light pair tube assembly (8) comprises spaced apart light emitting elements and light receiving elements; the trigger element is a grating hole (73) transversely penetrating through the shaft body (72), and the grating hole (73) changes the light path of the light pair tube assembly (8) when the shaft body (72) moves.
8. The mechanical shaft compatible linear shaft key of claim 6, wherein: The electrical element is a Hall element attached to the internal PCB board (5), the trigger element is a magnetic element embedded on the shaft body (72) and matched with the Hall element, and the magnetic element changes the magnetic field strength of the Hall element when the shaft body (72) moves.