CN206348816U - A kind of fingerprint collecting head being easily installed - Google Patents
A kind of fingerprint collecting head being easily installed Download PDFInfo
- Publication number
- CN206348816U CN206348816U CN201720017250.5U CN201720017250U CN206348816U CN 206348816 U CN206348816 U CN 206348816U CN 201720017250 U CN201720017250 U CN 201720017250U CN 206348816 U CN206348816 U CN 206348816U
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- CN
- China
- Prior art keywords
- pipe support
- bonnet
- head
- touch pad
- easily installed
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of fingerprint collecting head being easily installed, a kind of fingerprint collecting head being easily installed includes pipe support, prism, lens, touch pad, light source, mainboard and bonnet, the prism is located at the head of pipe support, lens and mainboard are located at the afterbody of pipe support, the bonnet fixed prism, touch pad and light source are in pipe support, described bonnet one end is connected in the head of pipe support, and the mainboard is fixedly connected on the afterbody of pipe support by fixing bolt and is secured to along the spacing bonnet in grafting direction on pipe support.Bonnet is plugged into behind head mainboard is installed and the step of needing to install bonnet by fixing bolt can be eliminated, so as to reach the effect of simplified installation so that easier for installation, quick while complete the installation of bonnet and mainboard.
Description
Technical field
The utility model is related to fingerprint image acquisition field, more particularly to a kind of fingerprint collecting head being easily installed.
Background technology
Fingerprint Identification Unit is a kind of instrumentation that identification is carried out by the biometric fingerprint of human body.It extensively should
For authentications such as bank, social security, public security, work attendance, gate inhibition, computer techno-stress safety, the means of payment of internet shopping
Occasion.At present, the most frequently used fingerprint capturer be by prism, light source, lens, touch pad, masking ambient light, for image
The mainboard of sensing chip and the rectangular mold pipe support composition of the above-mentioned part of support.
, it is necessary to first complete the production of mainboard, touch pad and light source in existing Fingerprint Identification Unit, then start assembling again,
First prism is installed on pipe support in assembling, touch pad and light source are then loaded into bonnet upper plate, then with bolt the bottom of by
Plate is fixed on pipe support, after bottom plate installation is completed, and mainboard will be fixed on pipe support with bolt.In installation process, bottom
Plate and mainboard are required for being fixed with bolt so that install relatively complicated.
Utility model content
The purpose of this utility model is to provide a kind of fingerprint collecting head being easily installed, its have the advantages that it is easy for installation,
Simplify the installation steps of fingerprint collecting head.
Above-mentioned technical purpose of the present utility model technical scheme is that：
A kind of fingerprint collecting head being easily installed, including pipe support, prism, lens, touch pad, light source, mainboard and bonnet, institute
State the head that prism is located at pipe support, lens and mainboard are located at the afterbody of pipe support, the bonnet fixed prism, touch pad and light source in
In pipe support, the bonnet is embedded in pipe support and one end is connected in the head of pipe support, and the mainboard is fixedly connected on by fixing bolt
The afterbody of pipe support is simultaneously secured on pipe support along the spacing bonnet in grafting direction.
It is arranged such, bonnet is plugged into behind head to install mainboard can be while complete the peace of bonnet and mainboard
Dress, eliminates the step of needing to install bonnet by fixing bolt, so as to reach the effect of simplified installation so that peace
Dress is more convenient, fast.
More preferably：The head of the pipe support is provided with neck, and one end of the bonnet is provided with to be coordinated with neck
Clamping fin.
It is arranged such, the clamping between pipe support and bonnet is realized by the setting of neck and clamping fin.
More preferably：Be provided with snapping fin on the two side of the afterbody of the pipe support, it is described after cover correspondence button
The position for connecing fin is provided with the snap groove coordinated with snapping fin.
It is arranged such, after the clamping fin of bonnet is inserted into neck, around clamping fin by the pressure of the bonnet other end
It is flat so that snapping fin, which is caught in, can complete the preliminary fixation of bonnet in snap groove, the installation of convenient mainboard below.
More preferably：The chamfering rotated for bonnet is provided with the raised end face of the clamping fin.
It is arranged such, it is relatively low for the angle requirement between bonnet and pipe support clamping fin is inserted into neck so that
The installation of bonnet is more flexibly, conveniently.
More preferably：The light source is fixed on touch pad.
It is arranged such, saves the installation and fixation of light source, simplifies installation steps, improves installation rate.
More preferably：The slot for grafting touch pad is provided with the pipe support, the opening of the slot is located at
The afterbody of pipe support.
It is arranged such so that touch pad can complete positioning after installing, eliminates the interference installed to bonnet.
More preferably：The slot is included located at the spacing stuck point on pipe support head and on pipe support two side
Clamping stuck point, the clamping stuck point be located at body afterbody.
It is arranged such so that one end first can be placed into limit by touch pad without being installed in the way of grafting in slot
Other end pressing is caught in into clamping stuck point after above the stuck point of position to be defined touch pad, it is to avoid install in the way of grafting
Increase installation difficulty after being blocked during touch pad due to error by prism.
More preferably：The afterbody of the pipe support is provided with the spacing salient point for spacing touch pad, the touch pad
On be provided with spacing salient point coordinate spacing hole.
It is arranged such so that realized after touch pad is flattened to the spacing of touch pad horizontal direction, makes it will not be because of
Horizontal sliding is deviate from from spacing stuck point.
More preferably：Foam-rubber cushion is provided between the prism and touch pad.
It is arranged such, the setting of foam-rubber cushion reduces air between prism and touch pad, strengthens the sensing of touch pad.
In summary, the utility model tool installs very convenient, efficiently advantage.
Brief description of the drawings
Fig. 1 is the structural representation of the present embodiment；
Fig. 2 is the index path of the present embodiment；
Fig. 3 is the fractionation schematic diagram of the present embodiment, shows the mounting structure between bonnet, touch pad and pipe support；
Fig. 4 is the fractionation schematic diagram of the present embodiment, shows the structure of touch pad and pipe support afterbody；
Fig. 5 is the structural representation of bonnet in the present embodiment.
In figure, 1, pipe support；11st, cavity；121st, spacing stuck point；122nd, clamping stuck point；13rd, spacing salient point；141st, neck；
142nd, snapping fin；15th, installing plate；151st, loophole；16th, Access Division；161st, fixed stuck point；17th, lead；18th, screwed hole；
2nd, lens；21st, face is gathered；22nd, reading face；23rd, dark background face；3rd, lens；4th, light source；5th, touch pad；51st, spacing hole；6th, after
Lid；61st, snap groove；62nd, clamping fin；621st, chamfering；7th, mainboard；71st, fixing bolt；72nd, through hole；73rd, positioning hole；8th, image
Sensing chip；9th, foam-rubber cushion；Angle between a, collection face and dark background face；Angle between b, collection face and reading face；c、
Light source is irradiated to the angle that the light of collection face peak is refracted to after prism and is refracted between the light of collection face minimum point.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
This specific embodiment is only to explain of the present utility model, and it is not to limitation of the present utility model, ability
Field technique personnel can make the modification without creative contribution to the present embodiment as needed after this specification is read, but
As long as all being protected in protection domain of the present utility model by Patent Law.
A kind of fingerprint collecting head being easily installed, as shown in figure 1, including pipe support 1, prism, lens 3, light source 4, touch pad
5th, image sensor chip 8, mainboard 7 and bonnet 6, prism 2 is in triangular prism-shaped and located at the head of pipe support 1, and its three sides are respectively
For collection face 21, dark background face 23 and reading face 22；Image sensor chip 8 is installed on mainboard 7, lens 3 and image sensing core
Piece 8 is located at the afterbody of pipe support 1.
Light source 4 is arranged on touch pad 5, and the dark background face 23 of prism 2 is horizontally disposed with, and bonnet 6 is arranged on the bottom of pipe support 1
Portion, touch pad 5 is installed between prism 2 and bonnet 6 and fitted with dark background face 23, and sea is provided between prism 2 and touch pad 5
Continuous pad 9, wherein, light source 4 and image sensor chip 8 are controlled by touch pad 5, start after touch pad 5 receives fingerprint signal
Light source 4 and image sensor chip 8 work.
Reference picture 1 and Fig. 4, dark background face 23 are coated on prism 2 by black ink and formed, and light source 4 is 2-4 side
Luminous LED infrared lamps（Particular number is set according to the lighting effect of light source 4）, in the present embodiment LED infrared lamps be provided with 4
It is individual, and light source 4 and the coplanar setting in dark background face 23 so that light source 4 is radiated on reading face 22.
As shown in Fig. 2 collection face 21 for Tp 2 long side where side, collection face 21 and dark background face 23 it
Between angle a be 40-50 °, collection face 21 and reading face 22 between angle b be 55-70 ° so that light source 4 is irradiated to prism 2
The angle c for being refracted to the light of the peak of collection face 21 afterwards and being refracted between the light of the minimum point of collection face 21 is less than 25 °.At this
In embodiment, the angle a between collection face 21 and dark background face 23 is 42 °, the angle b between collection face 21 and reading face 22
For 65 °, and lens 3 are located at light source 4 and are irradiated to the peak place plane that collection face 21 is refracted to after prism 2 and dark background face 23
Between central plane on.
Reference picture 3 and Fig. 4, be provided with the cavity 11 for accommodating prism 2 and touch pad 5 in pipe support 1, and cavity 11 is opened
Mouth is located at the bottom of installation cavity.The slot for grafting touch pad 5 is provided with the opening of pipe support 1, the opening of slot is located at pipe
The afterbody of frame 1, the slot is made up of the spacing clamping stuck point 122 of stuck point 121 and two, and positioning stuck point is arranged on the head of the grade of pipe support 1,
Two clamping stuck points 122 are respectively arranged on the two side of pipe support 1 and 3 structures are formed between the afterbody of body, three stuck points.
The afterbody of pipe support 1 be additionally provided with spacing salient point 13 be used for will the touch pad 5 that be installed on neck 141 it is spacing live, set on touch pad 5
The spacing hole 51 coordinated with spacing salient point 13 is equipped with, it is solid in the case where being acted on after touch pad 5 is buckled into neck 141 in spacing salient point 13
It is scheduled at the opening of cavity 11 of pipe support 1.
As shown in Fig. 3, Fig. 4 and Fig. 5, the head of pipe support 1 is provided with neck 141, and the openend of neck 141 is located at mainboard 7
Installation section on, one end of bonnet 6 is provided with the clamping fin 62 coordinated with neck 141, and clamping fin 62 is strip, and
The chamfering 621 rotated for bonnet 6 is provided with the raised end face of clamping fin 62, chamfering 621 is set upward.In the tail of pipe support 1
The position that correspondence snapping fin 142 on the snapping fin 142 of a point-like, bonnet 6 is provided with the two side in portion is provided with
The snap groove 61 coordinated with snapping fin 142, when mounted, is first inserted into the card on the head of pipe support 1 by the clamping fin 62 of bonnet 6
In groove 141, it is then that basic point rotation bonnet 6 snaps into bonnet 6 in pipe support 1 with clamping fin 62, is detained by snapping fin 142
Firmly bonnet 6, finally spacing firmly along grafting direction by bonnet 6 after the installation of mainboard 7, you can to fix bonnet 6.
Reference picture 1, Fig. 3 and Fig. 4, are provided with installing plate 15, installing plate 15 in the afterbody of pipe support 1 and are provided with Access Division 16
For fixing lens 3, loophole 151 is provided with installing plate 15（See Fig. 1）, Access Division 16 is a position limiting convex ring, spacing
The fixation stuck point 161 for preventing lens 3 from deviating from is provided with the inwall of bulge loop, fixed stuck point 161 is in position limiting convex ring
The annular projection that wall one is enclosed.
Pipe support 1 is made using the material of plastic material, and the afterbody of pipe support 1 is provided with four leads 17, lead 17
It is distributed on four angles, be provided with four positioning holes 73 on four angles of mainboard 7 coordinates with lead 17, positioning hole 73 is with being oriented to
Post 17 is equipped with gap.Two screwed holes 18 are provided with pipe support 1, screwed hole 18 is arranged on the both sides of pipe support 1 and is located at
Between two leads 17, two are provided with mainboard 7 and passes through the through hole 72 for being used for fixing mainboard 7 for fixing bolt 71, wherein,
Through hole 72 is set in waist type.
As shown in figure 1, the upper end of mainboard 7 is in be obliquely installed towards prism 2.
Claims (9)
1. a kind of fingerprint collecting head being easily installed, including pipe support (1), prism, lens (3), touch pad (5), light source (4), master
Plate (7) and bonnet (6), the prism（2）Head located at pipe support (1), lens (3) and mainboard (7) are located at the tail of pipe support (1)
Portion, bonnet (6) fixed prism（2）, touch pad (5) and light source (4) in pipe support (1), it is characterized in that：The bonnet (6)
It is embedded in pipe support (1) and one end is connected in the head of pipe support (1), the mainboard (7) is fixedly connected on pipe by fixing bolt (71)
The afterbody of frame (1) is simultaneously secured on pipe support (1) along the spacing bonnet in grafting direction (6).
2. a kind of fingerprint collecting head being easily installed according to claim 1, it is characterized in that：The head of the pipe support (1)
Neck (141) is provided with, one end of the bonnet (6) is provided with the clamping fin (62) coordinated with neck (141).
3. a kind of fingerprint collecting head being easily installed according to claim 2, it is characterized in that：The afterbody of the pipe support (1)
Two side on be provided with snapping fin (142), the bonnet (6) position of correspondence snapping fin (142) and be provided with and detain
Connect the snap groove (61) of fin (142) cooperation.
4. a kind of fingerprint collecting head being easily installed according to claim 3, it is characterized in that：The clamping fin (62)
The chamfering (621) rotated for bonnet (6) is provided with raised end face.
5. a kind of fingerprint collecting head being easily installed according to claim 1 or 2 or 3 or 4, it is characterized in that：The light source
(4) it is fixed on touch pad (5).
6. a kind of fingerprint collecting head being easily installed according to claim 5, it is characterized in that：Set on the pipe support (1)
There is the slot for grafting touch pad (5), the opening of the slot is located at the afterbody of pipe support (1).
7. a kind of fingerprint collecting head being easily installed according to claim 6, it is characterized in that：The slot is included located at pipe
The spacing stuck point (121) on frame (1) head and the clamping stuck point (122) on pipe support (1) two side, the clamping stuck point
(122) it is located at the afterbody of body.
8. a kind of fingerprint collecting head being easily installed according to claim 6, it is characterized in that：The afterbody of the pipe support (1)
It is provided with to be provided with the spacing salient point (13) for spacing touch pad (5), the touch pad (5) and coordinates with spacing salient point (13)
Spacing hole (51).
9. a kind of fingerprint collecting head being easily installed according to claim 1, it is characterized in that：The prism（2）With touch
Foam-rubber cushion (9) is provided between plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720017250.5U CN206348816U (en) | 2017-01-06 | 2017-01-06 | A kind of fingerprint collecting head being easily installed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720017250.5U CN206348816U (en) | 2017-01-06 | 2017-01-06 | A kind of fingerprint collecting head being easily installed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206348816U true CN206348816U (en) | 2017-07-21 |
Family
ID=59324288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720017250.5U Expired - Fee Related CN206348816U (en) | 2017-01-06 | 2017-01-06 | A kind of fingerprint collecting head being easily installed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206348816U (en) |
-
2017
- 2017-01-06 CN CN201720017250.5U patent/CN206348816U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170721 Termination date: 20190106 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |