CN206311687U - A kind of test fixture of fingerprint head - Google Patents
A kind of test fixture of fingerprint head Download PDFInfo
- Publication number
- CN206311687U CN206311687U CN201621344827.5U CN201621344827U CN206311687U CN 206311687 U CN206311687 U CN 206311687U CN 201621344827 U CN201621344827 U CN 201621344827U CN 206311687 U CN206311687 U CN 206311687U
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- CN
- China
- Prior art keywords
- fingerprint head
- fixed
- fingerprint
- slipping block
- connecting rod
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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.)
- Expired - Fee Related
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model discloses a kind of test fixture of fingerprint head, including base, the clamping being arranged on base seat, testing needle, sliding assembly, the sliding assembly includes the fixed seat being fixed on base, the slide rail being horizontally arranged in fixed seat, the slipping block being located on slide rail, the testing needle is horizontally arranged on the slipping block, it is provided with for clamping fingerprint head and parallel to the buckling groove of slide rail length direction on the clamping seat, described testing needle one end is connected to connecting line towards the buckling groove, the other end of the testing needle；Have the advantages that to simulate actual use environment, the accuracy of test result high, debugging simplicity and long service life.
Description
Technical field
The utility model is related to a kind of test device of identification module in biometrics identification technology field, more specifically
Say, it is related to a kind of test fixture of fingerprint head.
Background technology
The test fixture of fingerprint head is mainly used to the functional test carried out to the fingerprint head for completing overall package.Existing
In the test process of technology, typically first connecting line is coupled together with the 8PIN connectors on fingerprint head, tester one
Hand-held fingerprint head, the finger of another hand is placed on fingerprint window glass, and the fingerprint collecting work(of test fingerprint head is carried out with this
Energy.
But, a hand due to tester in test process holds fingerprint head all the time, it is possible to can make fingerprint head
Produce erroneous judgement.Such as：When the side wall that fingerprint head is given with hand gives pressure, and finger is not to the permanent of the lateral wall pressure of line head
Fixed, when not yet finger is placed to fingerprint window glass, fingerprint head can still be mistaken for finger and have been placed in fingerprint window sometimes
On mouth glass.This test process is very big due to without fine simulation fingerprint head practical service environment, causing test result to exist
Inaccuracy.
Utility model content
In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of test fixture of fingerprint head,
By simulating fingerprint head practical service environment, the accuracy of test result is set to be greatly improved.
To achieve the above object, the utility model provides following technical scheme：
A kind of test fixture of fingerprint head, including base, the clamping seat, testing needle, the sliding assembly that are arranged on base, institute
Stating sliding assembly includes the fixed seat being fixed on base, the slide rail being horizontally arranged in fixed seat, the cunning being located on slide rail
Block is moved, the testing needle is horizontally arranged on the slipping block, the buckling groove for clamping fingerprint head is provided with the clamping seat,
Described testing needle one end is connected to connecting line towards the buckling groove, the other end of the testing needle.
By using above-mentioned technical proposal, in actual test, fingerprint head is placed in buckling groove, by slipping block
Moved to fingerprint head along slide rail, the testing needle being arranged on slipping block is in contact with the test point on fingerprint head, so as to turn on
The connection of fingerprint head and connecting line, tester again by the fingerprint window glass for placing a finger above fingerprint head, to fingerprint
Head carries out functional test, because whole test procedure test personnel are not in contact with fingerprint except contacting fingerprint window glass with finger
The side wall of head, simulates the actually used course of work of fingerprint head very well, the accuracy of test result has been obtained very big carrying
Rise.
Further, the first mounting hole is provided with the clamping seat, the clamping seat passes through first waist by screw
Shape hole is fixed on the base, and the buckling groove is equal to the length of fingerprint head bottom surface parallel to the length of slide rail length direction,
The buckling groove is more than the width of fingerprint head bottom surface, the two of the buckling groove width perpendicular to the width of slide rail length direction
Side is respectively arranged with an abutting block for abutting fingerprint rostral wall, and the second mounting hole is provided with the abutting block, described to support
Block is connect to be fixed on the clamping seat through second mounting hole by screw.
By using above-mentioned technical proposal, by adjusting screw and the relative position of the first mounting hole, clamping can be adjusted
Seat and the relative position of base, because fingerprint head is connected in buckling groove, the position of fingerprint head respect thereto are adjusted so as to reach
Put, make it more convenient with the alignment of testing needle；By adjusting screw and the relative position of the second mounting hole, abutting can be adjusted
Block and the relative position of clamping seat, the side wall of fingerprint head are abut due to abutting block, and then adjust the position of fingerprint head respect thereto
Put, while further fingerprint head is fixed in buckling groove, further increase fingerprint head with the relative position of base
Adjustability, the alignment of fingerprint head and testing needle more easily purpose is made so as to reach.
Further, bar hole is provided with the slipping block, the testing needle is fixed on a needle stand, then by screw handle
The needle stand is fixed on slipping block, and the testing needle is connected through the bar hole with connecting line.
By using above-mentioned technical proposal, because testing needle is fixed on needle stand, needle stand one fixed survey of correspondence
Test point is arranged, and for the fingerprint head arranged with different test points, only need to change corresponding needle stand can just realize testing needle
The rearrangement of position, makes the rearrangement of testing needle become more convenient.
Further, a fixture is fixed with the base, the sliding assembly is also hinged on described solid including one end
Determine the first connecting rod on part, be also equipped with the push rod that one end is connected with slipping block on the fixture, the push rod it is another
The other end of one end of an articulated second connecting rod, the second connecting rod is held to be hinged on the first connecting rod.
By using above-mentioned technical proposal, tester rotates first connecting rod, under the transmission of second connecting rod, drives push rod
Move forward and backward, because push rod is connected with slipping block so that tester can drive slipping block along sliding by rotating first connecting rod
Rail is moved, and is realized the connection of testing needle and test point on fingerprint head or is separated so that tester to the movement of slipping block more
Plus it is convenient.
Further, it is provided with axle sleeve between the push rod and the fixture and between slide rail and slipping block.
By using above-mentioned technical proposal, by setting axle sleeve, the mill of push rod, fixture, slide rail and slipping block is reduced
Damage, when axle sleeve abrasion to a certain extent after, it is only necessary to change axle sleeve, saved cost and increased push rod, fixture, slide rail and
The service life of slipping block.
Further, the sliding assembly also includes being located on slide rail and two ends abut fixed seat with sliding respectively
The back-moving spring of block.
By using above-mentioned technical proposal, when push rod promotes slipping block to be moved to fingerprint head, back-moving spring is to slipping block
Certain cushioning effect is played, prevents the test point on testing needle and fingerprint head from clashing into too quickly and damaging testing needle, increased survey
The service life of test point.
Further, the push rod is connected by an adjusting part with slipping block, and the adjusting part includes outer ring
Bearing, one end on the slipping block and the connecting rod that the inner ring of the bearing is mutually fixed, it is fixed on the connecting rod
It is upper and for rotating the moving block of the connecting rod, set away from the part of the side of bearing positioned at moving block in the connecting rod
Thread segment is equipped with, the thread segment is threadedly coupled with the push rod.
By using above-mentioned technical proposal, connecting rod is driven to rotate by rotating the moving block in connecting rod, due to connection
Bar is threadedly coupled with push rod and testing needle is arranged on slipping block by needle stand, and then have adjusted the distance of slipping block and push rod
With the front and back position of testing needle, make the debugging of testing needle front and back position easier.
Further, the first nut abutted against with push rod is connected with the thread segment.
By using above-mentioned technical proposal, by rotating the first nut, it is set to be abutted against with the end face of push rod, so as to reach
The purpose of fastening push rod and the relative position of connecting rod.
Compared with prior art, the utility model has the advantages that：
（1）Buckling groove is fixed on by fingerprint head, by pushing away the test point phase that slipping block makes on testing needle and fingerprint head
Contact, simulates the actually used course of work of fingerprint head very well, the accuracy of test result is greatly improved；
（2）There is provided the first mounting hole, the second mounting hole, connecting rod and needle stand, make the tune of the test fixture of fingerprint head
Examination is easier；
（3）Back-moving spring has been abutted between fixed seat and slipping block, the service life of testing needle has been increased.
Brief description of the drawings
Fig. 1 is the structural representation of the present embodiment；
Fig. 2 is the top view of the present embodiment；
Fig. 3 is the structural representation of the present embodiment；
Fig. 4 is the sectional view of the line A-A along Fig. 2；
Fig. 5 is the enlarged drawing in B portions in Fig. 4.
Reference：1st, base；2nd, clamping seat；3rd, testing needle；4th, sliding assembly；5th, fixed seat；6th, slide rail；7th, slide
Block；8th, back-moving spring；9th, fingerprint head；10th, buckling groove；11st, the first mounting hole；12nd, block is abutted；13rd, the second mounting hole；14th, survey
Pilot；15th, fingerprint window；16th, bar hole；17th, needle stand；18th, connecting line；19th, fixture；20th, first connecting rod；21st, push rod；
22nd, second connecting rod；23rd, adjusting part；24th, axle sleeve；25th, bearing；26th, connecting rod；27th, moving block；28th, thread segment；29th, first
Nut；30th, column；31st, screw rod；32nd, piece is compressed；33rd, the second nut；34th, holddown spring.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is described in detail.
A kind of test fixture of fingerprint head, as depicted in figs. 1 and 2, including base 1, clamping seat 2, testing needle 3, sliding group
Part 4.
Sliding assembly 4 includes four 5, two slide rails 6 of fixed seat for being symmetrically distributed in 2 both sides of clamping seat, is set in two
Slipping block 7 on slide rail 6 and two are respectively sleeved on two one slide rails 6 and two ends abut fixed seat 5 and sliding respectively
The back-moving spring 8 of block 7, two slide rails 6 are horizontally fixed on the both sides of clamping seat 2 by fixed seat 5.
The buckling groove 10 for clamping fingerprint first 9 is provided with clamping seat 2, the first mounting hole 11, clamping are provided with clamping seat 2
Seat 2 is fixed on base 1 by screw through the first mounting hole 11, length etc. of the buckling groove 10 parallel to the length direction of slide rail 6
In the length of first 9 bottom surface of fingerprint, buckling groove 10 blocks perpendicular to the width of the width more than first 9 bottom surface of fingerprint of the length direction of slide rail 6
The both sides of the width of access slot 10 are respectively arranged with an abutting block 12 for abutting the first 9 side wall of fingerprint, abut and are opened on block 12
There is the second mounting hole 13, abut block 12 and be fixed on clamping seat 2 through the second mounting hole 13 by screw.
As shown in Figures 2 and 3, in actual test, by making on the testing needle 3 and fingerprint first 9 on slipping block 7
Test point 14 be in contact, the connection of conducting fingerprint first 9 and connecting line 18, tester places a finger above fingerprint first 9 again
On the glass of fingerprint window 15, first to fingerprint 9 carry out functional test, because whole test procedure test personnel with finger except being contacted
The glass of fingerprint window 15 is not in contact with the side wall of fingerprint first 9, and the actually used course of work of fingerprint first 9 is simulated very well, makes survey
The accuracy of test result is greatly improved.In 9 movement first to fingerprint of slipping block 7, back-moving spring 8 is to slipping block 7
To certain cushioning effect, prevent testing needle 3 from clashing into too quickly and damaging testing needle 3 with the test point 14 on fingerprint first 9, increased
The service life of testing needle 3.By setting the first mounting hole 11 and the second mounting hole 13, fingerprint first 9 is set to be placed on buckling groove 10
Interior position respect thereto 1 and testing needle 3 is adjustable, makes fingerprint first 9 more convenient with the alignment debugging of testing needle 3.
As shown in Figures 2 and 3, bar hole 16 is provided with slipping block 7, testing needle 3 is fixed on a needle stand 17, then by spiral shell
Nail is fixed on needle stand 17 on slipping block 7, and testing needle 3 is connected through bar hole 16 with connecting line 18.Because testing needle 3 is fixed
On needle stand 17, an one fixed testing needle 3 of correspondence of needle stand 17 is arranged, for the finger arranged with different test points 14
Line first 9, only need to change corresponding needle stand 17 can just realize the rearrangement of the position of testing needle 3, make the rearrangement of testing needle 3
Become more convenient.
As shown in figure 3, being fixed with a fixture 19 on base 1, sliding assembly 4 is also hinged on fixture 19 including one end
First connecting rod 20, the push rod 21 that one end is connected by an adjusting part 23 with slipping block 7 is also equipped with fixture 19, push away
One end of the articulated second connecting rod 22 of the other end of bar 21, the other end of second connecting rod 22 is hinged on first connecting rod 20.Such as
Shown in Fig. 2, axle sleeve 24 is mounted between push rod 21 and fixture 19 and slide rail 6 and slipping block 7 between.
As shown in Figure 3 and Figure 4, adjusting part 23 includes the bearing 25, one end and bearing 25 that outer ring is arranged on slipping block 7
Inner ring mutually fix connecting rod 26, be fixed in connecting rod 26 and for rotating the moving block 27 of connecting rod 26, in connecting rod
Thread segment 28 is provided with away from the part of the side of bearing 25 positioned at moving block 27 on 26, thread segment 28 is threadedly coupled with push rod 21.
The first nut 29 abutted against with push rod 21 is connected with thread segment 28.
Connecting rod 26 is driven to rotate by rotating the moving block 27 in connecting rod 26, due to connecting rod 26 and the screw thread of push rod 21
Connect and testing needle 3 is arranged on slipping block 7 by needle stand 17, and then have adjusted distance of the slipping block 7 with push rod 21 and survey
The front and back position of test point 3, makes the debugging of the front and back position of testing needle 3 easier.Again by rotating the first nut 29, make it and push away
The end face of bar 21 is abutted against, so as to reach the purpose of fastening push rod 21 and the relative position of connecting rod 26.
As shown in Fig. 2 being fixed with a column 30 on base 1, the upper surface of column 30 is fixed with screw rod 31, is covered on screw rod 31
The upper surface and the compression piece 32 for compressing fingerprint first 9 that abut column 30 are connected to, the second nut 33 are connected with screw rod 31,
Holddown spring 34 has been abutted between second nut 33 and compression piece 32.
The test fixture practical work process of the fingerprint first 9 of the present embodiment is as follows：
First fingerprint first 9 is placed into buckling groove 10, piece 32 will be compressed and rotated and be pressed in the upper surface of fingerprint first 9, rotated
First connecting rod 20, under the transmission of second connecting rod 22, drives push rod 21 to be moved to fingerprint first 9, because push rod 21 passes through regulation group
Part 23 is connected with slipping block 7 so that tester can drive slipping block 7 along slide rail 6 to finger by rotating first connecting rod 20
Line first 9 is moved, and realizes the contact of test point 14 on testing needle 3 first with fingerprint 9, conducting fingerprint first 9 and the connection of connecting line 18, is surveyed
Examination personnel are placed a finger above on the glass of fingerprint window 15 of fingerprint first 9, are tested；When test terminates, first connecting rod is rotated
20, testing needle 3 is departed from the test point 14 on fingerprint first 9, then compression piece 32 is removed from the upper surface of fingerprint first 9, by fingerprint
First 9 take out from buckling groove 10, so as to complete a test for fingerprint first 9.
The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under the utility model thinking belong to protection domain of the present utility model.Should refer to
Go out, for those skilled in the art, some improvement under the premise of the utility model principle is not departed from and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (8)
1. a kind of test fixture of fingerprint head, it is characterised in that including base (1), the clamping being arranged on base (1) seat (2),
Testing needle (3), sliding assembly (4), the sliding assembly (4) including be fixed on base (1) fixed seat (5), be horizontally mounted
Slide rail (6) in fixed seat (5), the slipping block (7) being located on slide rail (6), the testing needle (3) is horizontally arranged at described
On slipping block (7), the buckling groove (10) for clamping fingerprint head (9), the testing needle (3) are provided with clamping seat (2)
Towards buckling groove (10), the other end of the testing needle (3) is connected to connecting line (18) at end.
2. the test fixture of fingerprint head according to claim 1, it is characterised in that be provided with first on clamping seat (2)
Mounting hole (11), clamping seat (2) is fixed on the base (1) by screw through first mounting hole (11), institute
State the length that buckling groove (10) is equal to fingerprint head (9) bottom surface parallel to the length of slide rail (6) length direction, the buckling groove (10)
Perpendicular to the width of the width more than fingerprint head (9) bottom surface of slide rail (6) length direction, the two of buckling groove (10) width
Side is respectively arranged with an abutting block (12) for abutting fingerprint head (9) side wall, and the second waist is provided with abutting block (12)
Shape hole (13), abutting block (12) is fixed on clamping seat (2) by screw through second mounting hole (13).
3. the test fixture of fingerprint head according to claim 1, it is characterised in that be provided with bar shaped on the slipping block (7)
Hole (16), the testing needle (3) is fixed on a needle stand (17), then the needle stand (17) is fixed on slipping block by screw
(7) on, the testing needle (3) is connected through the bar hole (16) with connecting line (18).
4. the test fixture of fingerprint head according to claim 1, it is characterised in that is fixed with the base (1) and is consolidated
Determine part (19), the sliding assembly (4) is also hinged on the first connecting rod (20) on the fixture (19) including one end, described solid
Determine also to be equipped with the push rod (21) that one end is connected with slipping block (7) on part (19), the other end of the push rod (21) is articulated
One end of one second connecting rod (22), the other end of the second connecting rod (22) is hinged on the first connecting rod (20).
5. the test fixture of fingerprint head according to claim 4, it is characterised in that the push rod (21) and the fixture
(19) axle sleeve (24) is provided between and between slide rail (6) and slipping block (7).
6. the test fixture of fingerprint head according to claim 1, it is characterised in that the sliding assembly (4) also includes wearing
It is located on slide rail (6) and two ends abuts the back-moving spring (8) of fixed seat (5) and slipping block (7) respectively.
7. the test fixture of fingerprint head according to claim 4, it is characterised in that the push rod (21) is by a regulation group
Part (23) is connected with slipping block (7), and the adjusting part (23) is arranged on the bearing on the slipping block (7) including outer ring
(25) connecting rod (26) that, one end is mutually fixed with the inner ring of the bearing (25), it is fixed in the connecting rod (26) and is used for
The moving block (27) of the connecting rod (26) is rotated, moving block (27) is located in the connecting rod (26) away from bearing (25)
The part of side is provided with thread segment (28), and the thread segment (28) is threadedly coupled with the push rod (21).
8. the test fixture of fingerprint head according to claim 7, it is characterised in that be connected with the thread segment (28) with
The first nut (29) that push rod (21) is abutted against.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621344827.5U CN206311687U (en) | 2016-12-08 | 2016-12-08 | A kind of test fixture of fingerprint head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621344827.5U CN206311687U (en) | 2016-12-08 | 2016-12-08 | A kind of test fixture of fingerprint head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206311687U true CN206311687U (en) | 2017-07-07 |
Family
ID=59250695
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621344827.5U Expired - Fee Related CN206311687U (en) | 2016-12-08 | 2016-12-08 | A kind of test fixture of fingerprint head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206311687U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107632214A (en) * | 2017-08-28 | 2018-01-26 | 杭州长川科技股份有限公司 | Fingerprint chip presses simulating test device and method of testing |
| CN115026533A (en) * | 2022-06-22 | 2022-09-09 | 中国电子科技集团公司第十三研究所 | TR module quick plug frock |
-
2016
- 2016-12-08 CN CN201621344827.5U patent/CN206311687U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107632214A (en) * | 2017-08-28 | 2018-01-26 | 杭州长川科技股份有限公司 | Fingerprint chip presses simulating test device and method of testing |
| CN115026533A (en) * | 2022-06-22 | 2022-09-09 | 中国电子科技集团公司第十三研究所 | TR module quick plug frock |
| CN115026533B (en) * | 2022-06-22 | 2023-06-27 | 中国电子科技集团公司第十三研究所 | TR module quick plug frock |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170707 Termination date: 20181208 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |