CN209149991U - Multifunction push key - Google Patents

Abstract

The utility model discloses a kind of multifunction push keys, are related to technical field of electronic products, comprising: circuit board can trigger the DOME piece of the circuit function on the circuit board when being equipped at intervals with multiple depressed on the circuit board；Trigger assembly, the trigger assembly include key touch panel and the flexible keypad that is incorporated on the inside of the key touch panel, and the flexible keypad includes button portion corresponding with each DOME piece respectively；The flexible keypad further includes the support column being arranged between the button portion of adjacent two, and each support column vertical supporting is between the circuit board and the key touch panel.The utility model multifunction push key solves the technical issues of multifunction push key easily links in the prior art, and the utility model multifunction push key physically can prevent key from linking.

Description

Multifunction push key

Technical field

The utility model relates to technical field of electronic products, in particular to a kind of multifunction push key.

Background technique

With the development of electronic technology and people are higher and higher to the function of electronic product, the requirement of size and appearance, more Function button increasingly by the favor of designer, is applied in more and more electronic products.Current multifunction push key It is divided into overall structure key and separate structure key mostly, overall structure key easily links when in use, general technology people Member can be programmed to prevent function from linking in design, but still cannot prevent from linking in physical operations, work as pressing Two contacts still can be connected when position between two contacts.

Utility model content

For disadvantages described above, the purpose of the utility model is to provide a kind of multifunction push key, this multifunction push key can be from It physically prevents from linking.

To achieve the goals above, the technical solution of the utility model is:

A kind of multifunction push key, comprising: circuit board can trigger when being equipped at intervals with multiple depressed on the circuit board The DOME piece of circuit function on the circuit board；Trigger assembly, the trigger assembly include key touch panel and are incorporated in described Flexible keypad on the inside of key touch panel, the flexible keypad include button portion corresponding with each DOME piece respectively；It is described Flexible keypad further includes the support column being arranged between the button portion of adjacent two, and each support column vertical supporting is described Between circuit board and the key touch panel.

Wherein, the flexible keypad further includes key main body, and each button portion and each support column are annularly spaced It is distributed in the position that the key main body leans on edge, the two sides up and down of each button portion and each support column protrude from institute State key main body.

Wherein, the two sides up and down of the support column lean with the key touch panel and the circuit board respectively；It is described to press The upside in key portion is mutually fixed with the key touch panel, the downside of the button portion correspond to the DOME piece position be equipped with it is described The triggering salient point that DOME piece is in contact.

Wherein, the key touch panel is lid-like, and the middle part of the key touch panel, which is equipped with to the flexible keypad, protrudes Boss, annular fitting groove, each button portion and each branch are formed between the boss and the side wall of the key touch panel Dagger is located in the fitting groove.

Wherein, each button portion is mutually fixed by double-sided adhesive with the key touch panel.

Wherein, the middle part of the key main body is equipped with to the reinforcement part of the key touch panel protrusion, the reinforcement part and institute Boss is stated to lean.

Wherein, the multifunction push key further includes shell, and the shell is equipped with pilot hole, and the key touch panel is mounted on In the pilot hole, the side of the key main body is equipped with the mounting portion of protrusion, and the mounting portion is equipped with the first mounting hole, institute The downside for stating shell is equipped with the mounting post being inserted into first mounting hole.

Wherein, the mounting portion is oppositely arranged with the support column；The key main body is equipped with support chip, the support Piece includes the ring body between each button portion and each support column and reinforcement part, the side of the ring body Equipped with the installing arm radially extended respectively to each mounting portion, the installing arm is equipped with the evacuation passed through for the support column Hole, the end of the installing arm are equipped with the second mounting hole, and the mounting post, which passes through, is inserted into described the after second mounting hole In one mounting hole.

Wherein, the side wall ends of the key touch panel are equipped with the limit edge of radially protruding, the marginal dimension on the limit edge Greater than the size of the pilot hole.

Wherein, each DOME piece is connected as one by a sheet metal, and the sheet metal is fixed on the circuit board.

After above-mentioned technical proposal, the beneficial effects of the utility model are:

Since the utility model multifunction push key includes: circuit board, energy when being equipped at intervals with multiple depressed on circuit board The DOME piece of circuit function on enough trigger circuit plates；Trigger assembly, trigger assembly include key touch panel and be incorporated in key touching Flexible keypad on the inside of plate, flexible keypad include button portion corresponding with each DOME piece respectively；Flexible keypad further includes setting Support column between two adjacent button portions, each support column vertical supporting is between circuit board and key touch panel.This is practical new Type between two button portions be provided with support column, when pressing the position between two button portions, due to support column be supported on by Between key touch panel and circuit board, so that key touch panel can not be pressed, this can not just make two adjacent button portion motion triggers DOME piece, thus the problem of physically effectively preventing key linkage.

In conclusion the utility model multifunction push key solves the skill that multifunction push key in the prior art easily links Art problem, the utility model multifunction push key physically can prevent key from linking.

Detailed description of the invention

Fig. 1 is the decomposition texture schematic diagram of the utility model multifunction push key；

Fig. 2 is the constitutional diagram of Fig. 1；

Fig. 3 is the line A-A cross-sectional view of Fig. 2；

Fig. 4 is the structural schematic diagram of flexible keypad in Fig. 1；

In figure: 10, circuit board, 20, sheet metal, 22, DOME piece, 30, flexible keypad, 32, key main body, 34, button portion, 340, salient point, 36, support column, 38, mounting portion, the 380, first mounting hole, 39, reinforcement part, 40, support chip, 42, annular sheet are triggered Body, 44, installing arm, 440, avoid holes, the 442, second mounting hole, 50, double-sided adhesive, 60, key touch panel, 62, limit edge, 64, convex Platform, 66, fitting groove, 70, shell, 72, pilot hole, 74, mounting post.

Specific embodiment

With reference to the accompanying drawings and examples, the utility model is further described.

Orientation shown in attached drawing is subject in the orientation being related in this specification, only represents opposite positional relationship, not generation The absolute positional relationship of table.

As shown in Figure 1, Figure 2, Fig. 3 and Fig. 4 is jointly shown, a kind of multifunction push key, including circuit board 10, is spaced on circuit board 10 Equipped with it is multiple depressed when be capable of the DOME piece (metal clips conductive film) 22 of circuit function on trigger circuit plate 10.More function Energy key further includes trigger assembly, and trigger assembly includes key touch panel 60 and the flexible keypad for being incorporated in 60 inside of key touch panel 30, flexible keypad 30 includes button portion 34 corresponding with each DOME piece 22 respectively, corresponding when people's pressing keys touch panel 60 When function trigger bit, the pressing force that key touch panel 60 receives can be passed to DOME piece 22 by button portion 34, so that DOME piece 22 Deformation is in contact with the circuit contact on circuit board 10 downwards, and turning circuit realizes corresponding circuit function.Flexible keypad 30 is also Including the support column 36 being arranged between two adjacent button portions 34, each 36 vertical supporting of support column is touched in circuit board 10 and key Between plate 60, when the position between two function trigger bits on the pressing keys touch panel 60 of people's mistake, support column 36 can It plays a supporting role, so that key touch panel 60 can not be pressed, so that two adjacent key spleniums 34 will not move down, it is natural DOME piece 22 would not be triggered, and then effectively prevents the linkage of key.

Common shown as shown in Figure 1, Figure 3 and Figure 4, flexible keypad 30 further includes key main body 32, each button portion 34 and each support Column 360 is annularly distributed in key main body 32 on the position at edge, and up and down the two of each button portion 34 and each support column 36 Side protrudes from key main body 32, i.e. key main body 32 is flake structure, and each button portion 34 and each support column 36 are connected as one Body, and key main body 32 is connected to the medium position of button portion 34 and support column 36.The side of key main body 32 is vertically equipped with branch Side is supportted, the lower surface of support edge is in contact with circuit board 10, thus on the circuit board 10 by the support of entire flexible keypad 30.This reality Applying the preferred flexible keypad 30 of mode is flexible glue key.

Common shown as shown in Figure 1, Figure 3 and Figure 4, present embodiment is by taking DOME piece 22 there are three setting as an example, corresponding button portion 34 also are provided with three, and support column 36 is also three, and three button portions 34 and three support columns 36 are located on same circumference, and three are pressed Key portion 34 is arc-shaped.The two sides up and down of support column 36 offset with key touch panel 60 and circuit board 10 respectively in present embodiment It leans on, can preferably play a supporting role.The upside of button portion 34 is fixed with 60 phase of key touch panel in present embodiment, button portion The position that 34 downside corresponds to DOME piece 22 is equipped with downwardly projecting triggering salient point 340, triggers end and the DOME piece of salient point 340 22 middle part is in contact, and triggering salient point 340 can all concentrate on pressing force on DOME piece 22, so that button operation more saves Power.Preferred each button portion 34 is fixed by double-sided adhesive 50 and 60 phase of key touch panel in present embodiment.

As Fig. 1 and Fig. 3 jointly shown in, key touch panel 60 is lid-like, is buckled on flexible keypad 30, including for pressing Top and be looped around the side wall of each button portion 34 and the outside of support column 36, the middle part of key touch panel 60 is equipped with to flexible keypad 30 The upside of the boss 64 of protrusion, the annular fitting groove 66 of formation between boss 64 and side wall, button portion 34 and support column 36 is respectively positioned on In fitting groove 66.The width of present embodiment preferred fit slot 66 is adapted with the width of button portion 34, can be by button portion 34 Constraint be fixed in fitting groove 66, prevent button portion 34 from radial deformation occurring during pressing, can more effectively by Pressing force passes to DOME piece 22.

Common shown as shown in Figure 1, Figure 3 and Figure 4, the middle part of flexible keypad 30 is equipped with convex to key touch panel 60 in present embodiment The reinforcement part 39 risen, reinforcement part 39 leans with boss 64.Reinforcement part 39 can increase the intensity of flexible keypad 30, if while thinking Increase keypress function, DOME piece 22 can also be added in the lower part of reinforcement part 39, reinforcement part 39 can be used as button portion use.

As shown in Figure 1, Figure 2, Fig. 3 and Fig. 4 is jointly shown, and multifunction push key further includes shell 70, and the middle part of shell 70 is equipped with dress Distribution 72, key touch panel 60 are mounted in pilot hole 72, and the top of key touch panel 60 is exposed at the outside of shell 70.Key main body 32 Side be equipped with the mounting portion 38 of protrusion, mounting portion 38 is equipped with the first mounting hole 380, and the downside of shell 70 is equipped with and is inserted into To the mounting post 74 in the first mounting hole 380.Mounting portion 38 is identical as 36 quantity of support column in present embodiment and is oppositely arranged, That is the center at the center of mounting portion 38 and support column 36 is radially positioned on same straight line.Present embodiment is preferably in key master Support chip 40 is fixed on body 32, preferably support chip 40 is sheet metal in present embodiment.Support chip 40 includes ring body 42, ring body 42 is in the annular region between each button portion 34 and each support column 36 and reinforcement part 39, ring body 42 Side be equipped with the installing arm 44 that radially extends respectively to each mounting portion 38, installing arm 44 also is provided with three in present embodiment, Installing arm 44 is equipped with the avoid holes 440 passed through for support column 36, when support chip 40 is fixed in key main body 32, support column 36 In avoid holes 440, the end of installing arm 44 is equipped with second mounting hole 442 corresponding with the first mounting hole 380, shell 70 On mounting post 74 pass through the second mounting hole 442 after be inserted into the first mounting hole 380, can be preferably fixed by flexible keypad 30 On shell 70.

As Fig. 1 and Fig. 3 jointly shown in, present embodiment is preferably equipped with radially protruding in the side wall ends of key touch panel 60 Limit is along 62, and the marginal dimension limited along 62 is greater than the size of pilot hole 72, so as to which key touch panel 60 is stuck in shell 70 It is interior, it can effectively prevent key touch panel 60 from deviating from out of shell 70.

As Fig. 1 and Fig. 3 jointly shown in, each DOME piece 22 is connected as one by a sheet metal 20 in present embodiment, gold It is fixed on circuit boards to belong to piece 20.

The utility model physically effectively prevents key by the way that support column is arranged between two adjacent button portions Linkage.

The utility model is not limited to above-mentioned specific embodiment, and those skilled in the art visualize from above-mentioned Hair, without creative labor, the various transformation made are all fallen within the protection scope of the utility model.

Claims (10)

1. multifunction push key, comprising:

Circuit board can trigger the circuit function on the circuit board when being equipped at intervals with multiple depressed on the circuit board DOME piece；

Trigger assembly, the trigger assembly includes key touch panel and the flexible keypad that is incorporated on the inside of the key touch panel, described Flexible keypad includes button portion corresponding with each DOME piece respectively；

It is characterized in that,

The flexible keypad further includes the support column being arranged between the button portion of adjacent two, and each support column vertically props up Support is between the circuit board and the key touch panel.

2. multifunction push key according to claim 1, which is characterized in that the flexible keypad further includes key main body, respectively The button portion and each support column are annularly distributed in the position that the key main body leans on edge, each button portion The key main body is protruded from the two sides up and down of each support column.

3. multifunction push key according to claim 2, which is characterized in that the two sides up and down of the support column respectively with it is described Key touch panel and the circuit board lean；The upside of the button portion is mutually fixed with the key touch panel, the button portion The position that downside corresponds to the DOME piece is equipped with the triggering salient point being in contact with the DOME piece.

4. multifunction push key according to claim 3, which is characterized in that the key touch panel is lid-like, described to press The middle part of key touch panel is equipped with the boss protruded to the flexible keypad, is formed between the boss and the side wall of the key touch panel Annular fitting groove, each button portion and each support column are located in the fitting groove.

5. multifunction push key according to claim 3, which is characterized in that each button portion is pressed by double-sided adhesive with described Key touch panel is mutually fixed.

6. multifunction push key according to claim 4, which is characterized in that the middle part of the key main body is equipped with and presses to described The reinforcement part of key touch panel protrusion, the reinforcement part leans with the boss.

7. multifunction push key according to claim 6, which is characterized in that the multifunction push key further includes shell, described Shell is equipped with pilot hole, and the key touch panel is mounted in the pilot hole, and the side of the key main body is equipped with protrusion Mounting portion, the mounting portion are equipped with the first mounting hole, and the downside of the shell, which is equipped with, is inserted into first mounting hole Interior mounting post.

8. multifunction push key according to claim 7, which is characterized in that the mounting portion is opposite with the support column to be set It sets；The key main body is equipped with support chip, and the support chip includes positioned at each button portion and each support column and mending Ring body between strong portion, the side of the ring body are equipped with the installing arm radially extended respectively to each mounting portion, The installing arm is equipped with the avoid holes passed through for the support column, and the end of the installing arm is equipped with the second mounting hole, described Mounting post is inserted into first mounting hole after passing through second mounting hole.

9. multifunction push key according to claim 7, which is characterized in that the side wall ends of the key touch panel are equipped with radial The marginal dimension on the limit edge of protrusion, the limit edge is greater than the size of the pilot hole.

10. multifunction push key according to claim 1, which is characterized in that each DOME piece is connected by a sheet metal It is integrated, the sheet metal is fixed on the circuit board.