CN114446699A

CN114446699A - Two-way rocker key switch

Info

Publication number: CN114446699A
Application number: CN202111622846.5A
Authority: CN
Inventors: 沈宇; 单建锋; 郭盛东
Original assignee: Ningbo Fuerda Smartech Co Ltd
Current assignee: Ningbo Fuerda Smartech Co Ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-05-06
Anticipated expiration: 2041-12-28
Also published as: CN114446699B

Abstract

The invention provides a bidirectional rocker key switch, belonging to the technical field of switch accessories, comprising: the fixing frame comprises at least one first mounting unit, the first mounting unit comprises a mounting cavity and two first supports, the two first supports are respectively positioned on two sides of the mounting cavity, and the two first supports are respectively provided with a first hinge hole; the key base both sides all are provided with first articulated shaft, the key base install in the installation cavity, two first articulated shaft respectively with two first hinge hole connects, the terminal surface of first articulated shaft is provided with and is used for the key base is packed into prop open during the installation cavity the first inclined plane of first support. The invention has the beneficial effects that: the key switch can be directly installed on the key base through a part (a fixing frame), and the key base is less affected, so that the conditions of shaking and the like are not easy to generate.

Description

Two-way rocker key switch

Technical Field

The invention belongs to the technical field of switch accessories and relates to a bidirectional rocker key switch.

Background

The bidirectional rocker key switch is a switch capable of being toggled forward and backward, can be used for bidirectional selective opening of devices such as air-conditioning sound, lighting and electric control components on an automobile, and can also be used on other products or equipment.

Two-way wane key switch mainly includes the mounting base, key base and circuit board, the key base passes through rotation axis ground and sets up in the mounting base, key base bottom both sides have two ejector pins respectively, be provided with the inching switch that corresponds (if dabbing switch or conductive rubber) on the circuit board, can make the ejector pin of one side follow vertical direction downstream through stirring the key base along the horizontal direction, the ejector pin of opposite side follows vertical direction upward movement, the ejector pin of downstream can contact the press point of inching switch, produce the signal of telecommunication.

In some two-way wane keyswitch at present, panel housing and mount assembly are in the same place, the key base is installed on the mount, thereby the articulated shaft of holding down the key base through panel housing restricts the position of key base, thereby the position of key base receives the influence of mount and these two pieces of panel housing, because there is dimensional tolerance panel housing and mount, can fluctuate when the assembly, the situation of not holding down the key base can appear in panel housing, lead to the key base to rock, so certain improvement space has.

Disclosure of Invention

The invention aims to provide a bidirectional rocker key switch aiming at the problems in the prior art.

The purpose of the invention can be realized by the following technical scheme: a two-way rocker key switch comprising:

the fixing frame comprises at least one first mounting unit, the first mounting unit comprises a mounting cavity and two first supports, the two first supports are respectively positioned on two sides of the mounting cavity, and the two first supports are respectively provided with a first hinge hole;

the key base, its both sides all are provided with first articulated shaft, the key base install in the installation cavity, two first articulated shaft respectively with two first hinge hole is connected, the terminal surface of first articulated shaft is provided with and is used for the key base is packed into prop open during the installation cavity the first inclined plane of first support.

Preferably, the inner wall of the first support is provided with a first groove body, one end of the first groove body is located at the end of the first support, the other end of the first groove body is communicated with the first hinge hole, and when the key base is installed in the installation cavity, the first hinge shaft can slide into the first hinge hole along the first groove body.

Preferably, the first support includes a first support portion and a second support portion located on two radial sides of the first hinge hole, the first support portion is supported on the first hinge shaft away from the key base end, and the second support portion is supported on the first hinge shaft close to the key base end.

Preferably, one end of the first groove body, which is close to the end of the first support, is provided with a second inclined plane which is matched with the first inclined plane.

Preferably, the portable electronic device further comprises a shifting lever, the fixed frame further comprises at least one second mounting unit, the shifting lever is rotatably arranged on the second mounting unit, and the shifting lever is in linkage connection with the key base.

The preferred, the second installation unit includes the second support that two symmetries set up, the driving lever sets up in two between the second support, two the second support all is provided with the stopper, the both sides of driving lever all are provided with second articulated shaft and turn-ups piece, turn-ups piece with be formed with the arc wall between the second articulated shaft, two the stopper is located two respectively in the arc wall, the one side of stopper with the cooperation of second articulated shaft, the another side of stopper sets up to the arc bottom surface, the arc bottom surface with turn-ups piece cooperation.

Preferably, the end face of the second hinge shaft is provided with a third inclined plane for opening the second support when the shift lever is installed in the second installation unit, and the limiting block is provided with a fourth inclined plane adapted to the third inclined plane.

Preferably, the second bracket is provided with a mounting groove, and the second hinge shaft is disposed in the mounting groove.

Preferably, the second mounting unit comprises two second supports which are symmetrically arranged, the shift lever is arranged between the two second supports, the two second supports are provided with second hinge holes, the two sides of the shift lever are provided with second hinge shafts, and the two second hinge shafts are respectively connected with the two second hinge holes.

Preferably, one of the key bases corresponds to two of the shift levers, one of the shift levers is pushed when the key base is shifted towards one side, and the other of the shift levers is pushed when the key base is shifted towards the other side.

Compared with the prior art, the invention has the beneficial effects that:

1. the key switch can be directly installed on the key base through a part (a fixing frame), and the influence on the key base is small, so that the key base is not easy to shake and the like.

2. First cell body except that the first articulated shaft of guide can be more accurate when the installation insert first hinge hole, can also be convenient for install the button seat, because first cell body is seted up in the interior lateral wall face of first support, so interval between two first cell bodies is bigger, and two first supports are littleer to the range that both sides propped open when two first articulated shafts were adorned along two first cell bodies to make the installation cavity of packing into that the button seat is lighter.

3. The first hinge shaft is formed in a shape that the upper portion is relatively long and the lower portion is relatively short, so that the first support portion particularly supports the longer portion of the first hinge shaft at the upper portion and the second support portion supports the shorter portion of the first hinge shaft at the lower portion, thereby reliably supporting the first hinge shaft.

4. The stopper card is gone into in the arc wall, so the second articulated shaft can be contradicted with the upper surface of stopper and be connected, and the arc bottom surface can contradict with the turn-ups piece and be connected to the locking driving lever, and the driving lever can rotate round the second articulated shaft.

5. The second articulated shaft is not restricted downthehole, but be located the mounting groove can, so the size precision requirement to the mounting groove is lower, and the driving lever mainly carries on spacingly through the stopper with the second support, and when rotating, the driving lever rotates round the second articulated shaft to turn-ups piece slides along the arc bottom surface.

Drawings

Fig. 1 is a schematic connection diagram of a bi-directional rocker key switch according to the present invention.

Fig. 2 is a side view of fig. 1.

Fig. 3 is an exploded view of the bi-directional rocker key switch of the present invention.

Fig. 4 is a schematic structural diagram of the first mounting unit of the present invention.

Fig. 5 is a schematic structural view of a second mounting unit of the present invention.

Fig. 6 is a schematic view of the connection relationship between the key base and the poke rod according to the present invention.

Fig. 7 is a side view of fig. 6.

Fig. 8 is an isometric view of a two-way rocker key switch of the present invention.

In the figure, 100, a fixed frame; 200. a first mounting unit; 210. a mounting cavity; 220. a first bracket; 221. a first support section; 222. a second support portion; 230. a first hinge hole; 240. a first tank body; 241. a second inclined plane; 300. a second mounting unit; 310. a second bracket; 320. a limiting block; 321. a fourth slope; 322. an arcuate bottom surface; 330. mounting grooves; 400. a key base; 410. a first hinge shaft; 411. a first inclined plane; 500. a deflector rod; 510. a second hinge shaft; 511. a third inclined plane; 520. a flanging block; 530. an arc-shaped groove.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1, 2, 3, 4 and 8, a two-way rocker key switch, which may be used in a component of a vehicle, or in other devices or elements or products, includes: mount 100 and key-press seat 400, key-press seat 400 can be shifted in positive and negative direction to this key-press seat 400 can the direct mount on a part (mount 100), need not other parts and assist fixedly, and key-press seat 400 itself only receives the tolerance influence of hinge hole on mount 100, so key-press seat 400 is difficult to produce the condition such as rock.

The fixing frame 100 includes at least one first mounting unit 200, the first mounting unit 200 is used to fix the key base 400, and in an actual structure, the number of the first mounting units 200 matches the number of the key bases 400 to be mounted, and the first mounting units 200 and the key bases 400 are arranged in a one-to-one correspondence manner.

The first mounting unit 200 comprises a mounting cavity 210 and two first brackets 220, the two first brackets 220 are respectively located at two sides of the mounting cavity 210, and each of the two first brackets 220 is provided with a first hinge hole 230; installation cavity 210 is actually the space for accommodating key base 400, and two first brackets 220 are arranged symmetrically left and right, and two first hinge holes 230 are arranged symmetrically and coaxially.

The key base 400 is connected with the first installation unit 200, and the two sides of the key base 400 are provided with the first hinge shafts 410, and the two first hinge shafts 410 are symmetrically arranged, the key base 400 is installed in the installation cavity 210, and the two first hinge shafts 410 are respectively connected with the two first hinge holes 230, so the key base 400 can rotate around the first hinge shafts 410, and forward and reverse poking actions can be realized.

In order to allow key base 400 to be coupled to fixing bracket 100 without requiring a housing to be pressed, first inclined surface 411 for spreading first bracket 220 when key base 400 is mounted in mounting cavity 210 is provided at an end surface of first hinge shaft 410.

Key holder 400 can move toward the opening of mounting cavity 210 of fixing frame 100 to be inserted into mounting cavity 210, and first inclined surface 411 faces first bracket 220, so when key holder 400 is inserted, the outer end surfaces of two first hinge shafts 410 can be pushed open or prop open two first brackets 220 outward through first inclined surface 411, thereby allowing key holder 400 to be mounted in place, when first hinge shafts 410 move to the position of first hinge holes 230, two first brackets 220 are reset, and two first hinge shafts 410 penetrate into two first hinge holes 230.

It should be noted that the two first brackets 220 have a certain elasticity, and the distance between the two first brackets 220 is slightly smaller than the distance between the end surfaces of the two first hinge shafts 410, and the two first brackets 220 can be supported by the first inclined surface 411 during the installation of the key base 400, and after the key base 400 is installed in place, the two first brackets 220 can be reset again, so that the first hinge shafts 410 are limited in the first hinge holes 230, and the key base 400 is prevented from being removed.

Through above-mentioned structure come fixed key base 400, so need not to set up second spacing or fixed part, key base 400 only receives the influence of mount 100, more specifically says, only receives the influence of the fit tolerance of first articulated shaft 410 and first articulated hole 230, and this dimensional tolerance is very little basically, so can not appear floating or the circumstances of shaking after the assembly to compare in the structure of two parts come fixed key base 400, this embodiment has lacked a part, so also reduced the cost and the assembly degree of difficulty.

As shown in fig. 1 to 4, on the basis of the above embodiment, the first bracket 220 is provided at an inner wall thereof with a first groove 240, one end of the first groove 240 is located at an end of the first bracket 220 and the other end is communicated with the first hinge hole 230, the first groove 240 is provided at an inner side wall surface of the first bracket 220 in a length direction of the first bracket 220, and the first groove 240 can guide the first hinge shaft 410 to be fitted into the first hinge hole 230.

When the key base 400 is installed in the installation cavity 210, the first hinge shaft 410 can slide into the first hinge hole 230 along the first groove 240.

First cell body 240 except that the first articulated shaft 410 of guide can be more accurate when the installation insert first hinge hole 230, can also be convenient for install button seat 400, because first cell body 240 sets up the interior lateral wall face in first support 220, so the interval between two first cell bodies 240 is bigger, and two first articulated shafts 410 are less to the range that both sides were strutted when packing into along two first cell bodies 240 to make the installation cavity 210 of packing into of button seat 400 more relaxed.

As shown in fig. 1-4, based on the above embodiment, the first bracket 220 includes a first supporting portion 221 and a second supporting portion 222 located at two radial sides of the first hinge hole 230, the first supporting portion 221 is supported at an end of the first hinge shaft 410 away from the key base 400, and the second supporting portion 222 is supported at an end of the first hinge shaft 410 close to the key base 400.

Preferably, the first support part 221 and the second support part 222 are disposed corresponding to each other up and down, and the first hinge hole 230 is located between the first support part 221 and the second support part 222, wherein the first support part 221 corresponds to an upper surface of the first hinge shaft 410, and the second support part 222 corresponds to a lower surface of the first hinge shaft 410.

In an actual structure, first inclined surface 411 is inclined toward a lower surface of first hinge shaft 410, and key holder 400 is mounted in mounting cavity 210 from top to bottom when mounting, so first inclined surface 411 contacts first groove 240 to open first bracket 220.

When the first hinge shaft 410 is inserted into the first hinge hole 230, the first hinge shaft 410 is formed in a shape having a longer upper portion and a shorter lower portion due to the shorter position of the first inclined surface 411, and thus the first support portion 221 supports the longer portion of the first hinge shaft 410 at the upper portion and the second support portion 222 supports the shorter portion of the first hinge shaft 410 at the lower portion, thereby reliably supporting the first hinge shaft 410.

In addition, since the two first supporting parts 221 are supported on the distal end of the first hinge shaft 410, the interval between the first supporting parts 221 of the two first brackets 220 is large, which enables the first hinge shaft 410 to more easily spread the first support to achieve installation.

As shown in fig. 1, 3 and 4, in addition to the above embodiments, a second inclined surface 241 for fitting with the first inclined surface 411 is disposed at one end of the first groove 240 close to the end of the first bracket 220.

Preferably, a second inclined surface 241 is arranged at an entrance of the first groove 240, when the key holder 400 is installed, the first inclined surface 411 contacts the second inclined surface 241, and the first support 220 can be pushed to move outwards by matching the two inclined surfaces when the key holder 400 is installed, so that the two first supports are pushed more softly to deform and open.

As shown in fig. 1, 2, 3, and 5, on the basis of the above embodiments, the fixing frame 100 further includes a shift lever 500, and at least one second mounting unit 300, wherein the shift lever 500 is rotatably disposed on the second mounting unit 300, and the shift lever 500 is in linkage connection with the key base 400.

Preferably, shifter lever 500 is integrated with key holder 400 on fixture 100 at the same time, resulting in a more compact overall structure and also facilitating demolding.

As shown in fig. 1, 3, 6, and 7, based on the above embodiments, one of the key holders 400 corresponds to two of the shift levers 500, and when the key holder 400 is shifted to one side, one of the shift levers 500 is pushed, and when the key holder 400 is shifted to the other side, the other shift lever 500 is pushed.

In actual structure, a first installation unit 200 corresponds to two second installation units 300, that is to say, a key base 400 matches two driving levers 500, a PCB is arranged below the two driving levers 500, microswitches with the number matching with the number of the driving levers 500 are arranged on the PCB, and the two driving levers 500 can be respectively pushed when the key base 400 is shifted in the forward and reverse directions, so as to trigger the corresponding microswitches.

As shown in fig. 1, fig. 2, fig. 3, and fig. 5, on the basis of the above embodiment, the second mounting unit 300 includes two second brackets 310 that are symmetrically disposed, the shift lever 500 is disposed between the two second brackets 310, both the two second brackets 310 are provided with the limiting block 320, both sides of the shift lever 500 are provided with the second hinge shaft 510 and the flanging block 520, an arc-shaped groove 530 is formed between the flanging block 520 and the second hinge shaft 510, the two limiting blocks 320 are respectively located in the two arc-shaped grooves 530, one surface of the limiting block 320 is matched with the second hinge shaft 510, the other surface of the limiting block 320 is set to be an arc-shaped bottom surface 322, and the arc-shaped bottom surface 322 is matched with the flanging block 520.

In the first embodiment, second installation unit 300 and deflector rod 500 are limited and locked with limiting block 320 through arc-shaped groove 530, two second brackets 310 have certain elasticity, when deflector rod 500 is installed between two second brackets 310 from bottom to top, two second hinge shafts 510 respectively contact with two second brackets 310 to prop open two second brackets 310, and limiting block 320 is clamped into arc-shaped groove 530, so second hinge shafts 510 can be in interference connection with the upper surface of limiting block 320, and arc-shaped bottom surface 322 can be in interference connection with flanging block 520, thereby locking deflector rod 500, and deflector rod 500 can rotate around second hinge shafts 510.

As shown in fig. 1, 2, 3, and 5, in addition to the above embodiment, a third inclined surface 511 for expanding the second bracket 310 when the lever 500 is installed in the second installation unit 300 is provided on an end surface of the second hinge shaft 510, and the stopper 320 is provided with a fourth inclined surface 321 adapted to the third inclined surface 511.

Preferably, the third inclined surface 511 is inclined toward the upper portion of the second hinge shaft 510, so that when the lever 500 is installed from the bottom to the top, the third inclined surface 511 can be firstly engaged with the fourth inclined surface 321 and push the two second brackets 310 to be deformed and opened, and when the two second hinge shafts 510 are installed in the second hinge holes, the two second brackets 310 are restored.

As shown in fig. 1, 2, 3 and 5, in the above embodiment, the second bracket 310 is provided with a mounting groove 330, and the second hinge shaft 510 is disposed in the mounting groove 330.

Preferably, the mounting groove 330 is opened on the inner side wall surface of the second bracket 310, and the mounting groove 330 limits the movement of the second hinge shaft 510, after the deflector rod 500 is mounted in place, the second hinge shaft 510 is inserted into the mounting groove 330, so the second hinge shaft 510 is not limited in the hole, but is located in the mounting groove 330, so the requirement on the dimensional accuracy of the mounting groove 330 is low, the deflector rod 500 and the second bracket 310 are mainly limited by the limiting block 320, when rotating, the deflector rod 500 rotates around the second hinge shaft 510, and the flanging block 520 slides along the arc-shaped bottom surface 322.

In the second embodiment, the second mounting unit 300 includes two second brackets 310 symmetrically disposed, the shift lever 500 is disposed between the two second brackets 310, the two second brackets 310 are both provided with second hinge holes (not shown), the two sides of the shift lever 500 are both provided with second hinge shafts 510, and the two second hinge shafts 510 are respectively connected to the two second hinge holes.

Deflector rod 500 and two second supports 310 are spacing through second articulated shaft 510 and second articulated hole, when the installation, can push deflector rod 500 into between two second supports 310, then make second articulated shaft 510 penetrate the second articulated hole can.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

Moreover, descriptions of the present invention as relating to "first," "second," "a," etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating a number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.

Claims

1. A two-way rocker key switch, comprising:

2. A two-way rocker key switch as recited in claim 1, further comprising: the inner wall of first support is provided with first cell body, the one end of first cell body is located the tip of first support and the other end with first hinge hole intercommunication, works as the key holder is packed into during the installation cavity first articulated shaft can be followed first cell body slides in extremely in the first hinge hole.

3. A two-way rocker key switch as recited in claim 1, further comprising: first support portion and second supporting part including being located the radial both sides of first hinge hole, first supporting part support in first articulated shaft is kept away from press key seat one end, the second supporting part support in first articulated shaft is close to press key seat one end.

4. A two-way rocker key switch as recited in claim 2, further comprising: one end of the first groove body, which is close to the end part of the first support, is provided with a second inclined plane which is used for being matched with the first inclined plane.

5. A two-way rocker key switch as recited in claim 1, further comprising: the fixing frame further comprises a shifting rod, the fixing frame further comprises at least one second mounting unit, the shifting rod is rotatably arranged on the second mounting unit, and the shifting rod is connected with the key seat in a linkage mode.

6. A two-way rocker key switch as recited in claim 5, further comprising: the second installation unit includes the second support that two symmetries set up, the driving lever sets up in two between the second support, two the second support all is provided with the stopper, the both sides of driving lever all are provided with second articulated shaft and turn-ups piece, turn-ups piece with be formed with the arc wall between the second articulated shaft, two the stopper is located two respectively in the arc wall, the one side of stopper with the cooperation of second articulated shaft, the another side of stopper sets up to the arc bottom surface, the arc bottom surface with turn-ups piece cooperation.

7. A two-way rocker key switch as recited in claim 6, further comprising: the end face of the second hinged shaft is provided with a third inclined plane used for opening the second support when the deflector rod is installed in the second installation unit, and the limiting block is provided with a fourth inclined plane used for being matched with the third inclined plane.

8. A two-way rocker key switch as recited in claim 6, further comprising: the second support is provided with the mounting groove, the second articulated shaft set up in the mounting groove.

9. A two-way rocker key switch as recited in claim 5, further comprising: the second installation unit comprises two second supports which are symmetrically arranged, the driving lever is arranged between the two second supports, the two second supports are provided with second hinge holes, the two sides of the driving lever are provided with second hinge shafts, and the two second hinge shafts are respectively connected with the two second hinge holes.

10. A two-way rocker key switch as recited in claim 8 or 9, wherein: one key seat corresponds to two shifting rods, when the key seat is shifted towards one side, one shifting rod is pushed, and when the key seat is shifted towards the other side, the other shifting rod is pushed.