CN208272949U - A kind of touch induction device - Google Patents
A kind of touch induction device Download PDFInfo
- Publication number
- CN208272949U CN208272949U CN201820799762.6U CN201820799762U CN208272949U CN 208272949 U CN208272949 U CN 208272949U CN 201820799762 U CN201820799762 U CN 201820799762U CN 208272949 U CN208272949 U CN 208272949U
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- Prior art keywords
- circuit board
- shell
- induction device
- touch induction
- limiting slot
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Abstract
The utility model provides a kind of touch induction device, and structure is relatively easy, and stablizes durable.Including shell, circuit board and elastic component；Circuit board is in shell and is formed by cavity, and elastic component is between circuit board and shell, and circuit board is pushed to the outside of shell；Particularly, it is also formed at least two limit protrusion on circuit board, is formed at least two limiting slot on shell；The limit protrusion clan of circuit board enters in corresponding limiting slot to prevent circuit board and shell to be detached from；The limiting slot has enough length and depth to allow circuit board to implement deflection in certain angular range, and circuit board is deflected to by external force when being correctly oriented with enough angles, all limit protrusions of circuit board will all be detached from from the limiting slot corresponding to them or almost be detached from.The touch induction device of the utility model has the advantage that the working face of circuit board can be stablized and is muchly close to objective plane；Production assembly is simple；It is easily installed and installs firm.
Description
Technical field
The utility model relates to a kind of touch induction device of electronics more particularly to a kind of require its working face that must be tightly attached to
Touch induction device on specific plane.
Background technique
Touch induction device has many different classification, and corresponds to these and be divided into many different structures and sample
Formula.
The Chinese utility model patent (2015208799934) of entitled " a kind of mirror lamp with soft-touch control " is open
A kind of mirror lamp controlling light inside mirror with touch manner, this mirror lamp relate to one of touch sensible
Device.The structure of this kind of conventional touch induction device includes: shell, circuit board, harness and sponge.Light is had on circuit board
Element needed for source element, touch sensible portion, function switching signal etc..Light source of the light source component typically as key；Touch sense
Answering portion is the movement for finger sensing；Function switching signal is for converting induction signals into trigger signal and exporting.
Light source component and/or touch sensible portion on circuit board are the back side for requiring to be close to glass, otherwise will affect lamp
Light effect and service performance.To solve this problem, this kind of current touch induction device is exactly between circuit board and shell
Sponge is set, after by shell gluing to glass back, circuit board is pressed on glass back using the elasticity of sponge itself.But
Be that such structure can have very big: 1) circuit board is completely below shell, is to pass through between circuit board and sponge
Viscose glue is coherent, and circuit board has the very big risk that falls off；2) sponge is easy aging to follow the string, so that circuit board
No longer it is pressed in glass back；3) sponge can cover the electronic component on circuit board, influence the heat dissipation of electronic component；4)
Sponge can also absorb moisture, and moisture is allowed to be unable to Quick diffusing.These all can enable touch induction device after a period of operation
With regard to maximum probability go wrong.
Therefore the structure to existing this kind of touch induction device is needed to improve to promote stability in use.
Utility model content
The utility model provides a kind of touch induction device, and structure is relatively easy, and stablizes durable.
The following technical solution is employed:
A kind of touch induction device, including shell, circuit board and elastic component；Circuit board is in shell and is formed by cavity
Interior, elastic component is between circuit board and shell, and circuit board is pushed to the outside of shell；Particularly, it has also been set as on circuit board
At least two limits protrusion, is formed at least two limiting slot on shell；The limit protrusion clan of circuit board enters corresponding limit
To prevent circuit board and shell to be detached from slot；The limiting slot has enough length and depth to allow circuit board certain
Angular range implements deflection, and circuit board is deflected to by external force when being correctly oriented with enough angles, the institute of circuit board
There is limit protrusion that will all be detached from from the limiting slot corresponding to them or be almost detached from.
The design principle of the utility model is as follows: since the limit protrusion of circuit board is dropped into corresponding limiting slot
, therefore circuit board will not be detached from shell completely under the effect of the elastic force of elastic component.This does not just require circuit board and elasticity
Part will link together, to select the elastic component of more reliable spring more durable etc. to provide condition.The present apparatus is being pacified
Before dress, the working face for being close to objective plane under the elastic force effect of elastic component on circuit board is above the installation in shell
Datum level, after shell is fixed on objective plane by the way of such as gluing, the working face of circuit board i.e. by pressure and
It is retracted into shell, and is close to objective plane under the effect of the elastic force of elastic component, the position of circuit board opposite shell is to occur at this time
Variation, and the length of the limiting slot of the utility model changes in addition to meeting this conventional relative position of circuit board and shell
Outside, also further satisfaction " circuit board can be turned to enough angles and enable its limit protrusion can be detached from from limiting slot or
Almost it is detached from " this condition, this just enables " one-piece rigid body is made in shell " and " rapidly by circuit board and shell assembly one
Rise " it is achieved.For the process sequence of the production assembly present apparatus, worker is first by elastic component assembly on shell or circuit board
Predeterminated position, then circuit board and overcome the elastic force of elastic component at a slant and circuit board be pushed into shell, but the push-in
Process to enable each limit protrusion be directed at its corresponding limiting slot, since limiting slot has enough length and depth, at a slant
Circuit board can be pushed into shell, when revocation external force in other words no longer enables circuit board at a slant, then circuit board at this time
Limit protrusion, which can all correspond to, to be dropped into limiting slot, and circuit board is in the state that is stuck in and in shell and cannot be detached from, until
This completes the assembly between circuit board, elastic component and shell three.It can be seen that the fastening in the assembling process without screw etc.
Part, without spreading glue, operating process is very simple, hand assembled very quickly.More importantly such knot
Structure may insure that the present apparatus is not easy to occur circuit board displacement, is not enough close to bad etc. the problem of objective plane, heat dissipation for circuit board.
The elastic component can be set in limiting slot.
As an improvement, on the circuit board can also be equipped at least one be oriented to protrusion, the shell can also be equipped with it is described
The guide groove that guiding protrusion matches.By being oriented to the cooperation of protrusion and guide groove, it can preferably limit circuit board and exist
Relative position and the direction of motion in shell.In the case where being equipped with guide groove, elastic component is it is also contemplated that setting is being oriented to
One of slot.The guide groove is preferably the slot that cross section is semicircle；The guiding protrusion is preferably one on circuit board
Semicircular protrusion.The guide groove is preferably communicated with the datum clamp face of shell.
It is preferably also formed on the shell and widens portion for increase contact area between shell and objective plane.At this time
It is fixed according to the method for applying glue between shell and objective plane, then can enable the company between shell and objective plane
It connects more firm.As a further improvement, it is described widen preferably also formed in portion one with datum clamp face is at an acute angle beats
Glue surface.It then also may be selected to beat in glue at this time good solid between shell and objective plane to realize on gluing face and objective plane
It is fixed.
Harness can be drawn on circuit board, conventional structure is that harness welds on circuit boards.But since circuit board is smaller, line
The number of conductors of beam is relatively more and position is concentrated, therefore the spacing between conducting wire is very narrow, this results in welding difficulty larger and holds
Easily short circuit.A kind of preferable way is: circuit board and harness are to be attached conducting by terminal base and terminal head.Separately
Outside, the harness is not connected preferably with shell, just without the transmitting of power between such harness and shell, thus circuit board and outer
Also the transmitting of power is not present between shell, avoidable in this way " fixing not to be good shell by harness transmission force leads to electricity
The working face of road plate is close to objective plane bad " such problems.One of solution is that shell is also formed with 1 foot
Enough big wire outlet positions.
The circuit board can be the circuit board of one-touch induction channels, be also possible to the circuit in multi-touch sensing channel
Plate.One-touch induction channels refer to that the circuit board only has 1 touch sensible point.Multi-touch sensing channel refers to that the circuit board has 1
A above touch sensible point.
The touch induction device of the utility model has the advantage that the working face of circuit board can be stablized and is muchly close to mesh
Mark plane；Production assembly is simple；It is easily installed and installs firm.
Detailed description of the invention:
Fig. 1 is the schematic perspective view one of embodiment 1；
Fig. 2 is the schematic perspective view two of embodiment 1；
Fig. 3 is the schematic perspective view three of embodiment 1；
Fig. 4 is the configuration schematic diagram of embodiment 1；
Fig. 5 is the schematic view of the front view of embodiment 1；
Fig. 6 is the A-A schematic cross-sectional view of Fig. 5；
Fig. 7 is the assembly schematic illustration of embodiment 1；
Fig. 8 is that embodiment 1 installs and uses schematic diagram；
Fig. 9 is the configuration schematic diagram of embodiment 2.
Description of symbols: 11- shell；12- circuit board；13- spring；14- objective plane；111- limiting slot；112- is led
To slot；113- datum clamp face；114- inner hole；115- widens portion；116- gluing face；117- wire outlet position；121- working face；122-
Limit protrusion；123- is oriented to protrusion；124- terminal base；
21- shell；22- circuit board；23- spring；211- limiting slot；222- limits protrusion；214- recess；.
Specific embodiment
The content of the present invention is described further below with reference to embodiment.
Embodiment 1
As shown in Figures 1 to 6, the touch induction device of the present embodiment includes: shell 11, circuit board 12 and spring 13.
Wherein, as shown in Fig. 3, Fig. 4, Fig. 6,1 limit is each formed on two wall bodies being arranged oppositely of shell 11
Slot 111 and 2 guide groove 112, same wall body upper limit position groove 111 are between guide groove 112.The guide groove of the present embodiment
112 cross section is semicircle, and is communicated with the datum clamp face of shell 11 113.In the close shell 11 of every guide groove 112
One of bottom surface is each formed with the inner hole 114 for placing spring, and the spring 13 as elastic component is put into each inner hole 114
1, therefore this touch induction device is total equipped with 4 springs 13.
As shown in Fig. 4, Fig. 5, Fig. 6, required electronic component (electronic component is not drawn specifically) is disposed on circuit board 12,
Circuit board 12 towards the face outside shell 11 be its working face 121.The circuit board 12 of the present embodiment is in rectangle, in the electricity of rectangle
In 2 long sides of road plate 12, each side is formed with 1 limit protrusion 122 and 2 guiding protrusion 123.2 limit protrusions
122 be in the corresponding limiting slot 111 for drop into shell 11, and 4 guiding protrusions 123 are and 4 guide groove 112 corresponding
Match.
As shown in fig. 7, when being assembled, at a slant circuit board 12 and circuit board 12 is pushed into the cavity of shell 11,
Inclination described herein refers to non-parallel to each other between the working face 121 of circuit board 12 and datum clamp face 113.Due to limiting slot
111 have enough length and a depth, thus circuit board 12 can be integral inclined drop into the cavity of shell 11, then allow electricity
The working face 121 of road plate 12 deflects to the position parallel with datum clamp face 113, then effect of the circuit board 12 in spring 13 at this time
Under be pushed to the outside of shell 11, cannot be but detached from shell 11 under the blocking of limiting slot 111.As shown in figure 8, working as shell 11
After being fixed on objective plane 14 by the way of gluing, the working face 121 of circuit board 12 is pressed and is retracted into shell 11,
And it is close to objective plane 14 under the effect of the elastic force of spring 13.
As shown in Figure 1, Figure 2, Figure 3 shows, the shell 11 of the touch induction device of the present embodiment is also formed with for increasing shell
Contact area widens portion 115 between 11 and objective plane 14.Widen be also formed in portion 115 one with datum clamp face 113 at
The gluing face 116 of acute angle.
The circuit board 12 and harness of the present embodiment are to be attached conducting by terminal base and terminal head.Terminal base
124 install and are connected in circuit board 12, and terminal head then connect conducting with harness.
To avoid transmitting strong between harness and shell 11, as shown in Figure 1 and Figure 2, the shell 11 of the present embodiment is also formed
There is 1 sufficiently large wire outlet position 117.
Embodiment 2
As shown in figure 9, the present embodiment the difference from embodiment 1 is that: 211 quantity of limiting slot of shell 21 has 4, circuit
The limit protrusion 222 of plate 22 has 4, and guide groove is not arranged additionally.Specifically:
2 limiting slots 211 are each formed on two wall bodies being arranged oppositely of shell 21.In each limiting slot 211
Close to a recess 214 being each formed with for placing spring 23 of 21 inner bottom surface of shell, amounts to and be formed with 4 such recess
214,1 spring 23 is put into each recess 214.
Circuit board 22 is in rectangle, and in 2 long sides of the circuit board 22 of rectangle, each side is formed with 2 limit protrusions
222, it amounts to and is formed with 4 limit protrusions 222.
The limiting slot 211 of the touch induction device of the present embodiment has the effect of guide groove concurrently simultaneously.
It should be noted that limiting slot quantity and position, the quantity of guide groove and position, limit protrusion quantity and
The quantity and position of position and guiding protrusion are not limited in situation cited by above embodiments.
This specification enumerate be only the utility model better embodiment, all working principles in the utility model and
The equivalent technologies transformation done under thinking, is accordingly to be regarded as the protection scope of the utility model.
Claims (10)
1. a kind of touch induction device, including shell, circuit board and elastic component；Circuit board is in shell and is formed by cavity,
Elastic component is between circuit board and shell, and circuit board is pushed to the outside of shell；It is characterized in that: being additionally provided at least on circuit board
2 limit protrusions are formed at least two limiting slot on shell；The limit protrusion clan of circuit board enters in corresponding limiting slot
To prevent circuit board and shell to be detached from；The limiting slot has enough length and depth to allow circuit board in certain angle
Range implements deflection, and circuit board is deflected to by external force when being correctly oriented with enough angles, and the institute of circuit board is limited
Position protrusion will all be detached from from the limiting slot corresponding to them or almost be detached from.
2. a kind of touch induction device as described in claim 1, it is characterized in that: the elastic component is arranged in limiting slot.
3. a kind of touch induction device as described in claim 1, leads it is characterized in that: being additionally provided at least one on the circuit board
To protrusion, the shell is additionally provided with the guide groove to match with the guiding protrusion.
4. a kind of touch induction device as claimed in claim 3, it is characterized in that: one of guide groove is arranged in elastic component.
5. a kind of touch induction device as described in claim 3 or 4, it is characterized in that: it is semicircle that the guide groove, which is cross section,
Slot；The guiding protrusion is a semicircular protrusion on circuit board.
6. a kind of touch induction device as described in claim 3 or 4, it is characterized in that: the installation base of the guide groove and shell
Quasi- face communicates.
7. a kind of touch induction device as described in claim 1, it is characterized in that: be also formed on shell for increase shell with
Contact area widens portion between objective plane.
8. a kind of touch induction device as claimed in claim 7, it is characterized in that: described widen is also formed with one and installation in portion
Datum level gluing face at an acute angle.
9. a kind of touch induction device as described in claim 1, it is characterized in that: circuit board and harness are by terminal base and end
Subheader and be attached conducting.
10. a kind of touch induction device as described in claim 1, it is characterized in that: shell is also formed with 1 sufficiently large outlet
Position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820799762.6U CN208272949U (en) | 2018-05-28 | 2018-05-28 | A kind of touch induction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820799762.6U CN208272949U (en) | 2018-05-28 | 2018-05-28 | A kind of touch induction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208272949U true CN208272949U (en) | 2018-12-21 |
Family
ID=64685646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820799762.6U Active CN208272949U (en) | 2018-05-28 | 2018-05-28 | A kind of touch induction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208272949U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108649944A (en) * | 2018-05-28 | 2018-10-12 | 佛山市鑫敏电子科技有限公司 | A kind of touch induction device |
-
2018
- 2018-05-28 CN CN201820799762.6U patent/CN208272949U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108649944A (en) * | 2018-05-28 | 2018-10-12 | 佛山市鑫敏电子科技有限公司 | A kind of touch induction device |
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