CN208958131U - It is a kind of dynamically to refer to that vein infrared backlight adjusts device entirely - Google Patents
It is a kind of dynamically to refer to that vein infrared backlight adjusts device entirely Download PDFInfo
- Publication number
- CN208958131U CN208958131U CN201820887678.XU CN201820887678U CN208958131U CN 208958131 U CN208958131 U CN 208958131U CN 201820887678 U CN201820887678 U CN 201820887678U CN 208958131 U CN208958131 U CN 208958131U
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- CN
- China
- Prior art keywords
- fixture block
- spring
- top board
- fixedly connected
- lower platen
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- Expired - Fee Related
Links
- 210000003462 vein Anatomy 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 17
- 235000013372 meat Nutrition 0.000 description 4
- 241000905957 Channa melasoma Species 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001795 light effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Radiation-Therapy Devices (AREA)
Abstract
Dynamically refer to that vein infrared backlight adjusts device entirely the utility model discloses a kind of, including top board, the top board bottom is provided with lower platen, top board outer wall two sides are provided with sliding block, lower platen inner wall two sides are provided with sliding slot, the sliding block is slidably connected with sliding slot, the top board is internally provided with upper fixture block, the lower platen is internally provided with lower fixture block, the first spring is provided between the top board and upper fixture block, first spring one end is fixedly connected with top board, the first spring other end is fixedly connected with upper fixture block, second spring is provided between the lower platen and lower fixture block, described second spring one end is fixedly connected with lower platen, the second spring other end is fixedly connected with lower fixture block.The utility model clamps finger by a kind of upper fixture block moving up and down and lower fixture block in order to fixed finger, while finger being made to contact sufficient technical solution with infrared lamp, to solve the problems, such as to propose in background technique.
Description
Technical field
The utility model relates to bio-identification applied technical fields, in particular to a kind of dynamically to refer to vein infrared backlight tune entirely
Engagement positions.
Background technique
Each finger venous collection device requires infrared lamp light filling, is under normal conditions typically all to have several infrared lamps,
Since current acquisition device is all to be easy to cause the contact surface of device and finger insufficient, and hand using plane push type
Refer to and be easy sliding, be not easy to be aligned with induction zone, influence the light filling effect of infrared lamp, to influence to refer to venous collection effect.
Therefore, it invents one kind and dynamically refers to that vein infrared backlight adjustment device is necessary to solve the above problems entirely.
Utility model content
Dynamically refer to that vein infrared backlight adjusts device entirely the purpose of this utility model is to provide a kind of, by one kind can on
The upper fixture block and lower fixture block of lower movement clamps finger in order to fixed finger, while finger being made to contact sufficient skill with infrared lamp
Art scheme, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides the following technical solutions: a kind of dynamically to refer to vein infrared backlight tune entirely
Engagement positions, including top board, the top board bottom are provided with lower platen, and top board outer wall two sides are provided with sliding block,
Lower platen inner wall two sides are provided with sliding slot, and the sliding block is slidably connected with sliding slot, and the top board is internally provided with
Fixture block, the lower platen are internally provided with lower fixture block, are provided with the first spring between the top board and upper fixture block, and described first
Spring one end is fixedly connected with top board, and the first spring other end is fixedly connected with upper fixture block, the lower platen and lower folder
Second spring is provided between block, described second spring one end is fixedly connected with lower platen, and the second spring other end is under
Fixture block is fixedly connected, and the upper fixture block two sides are provided with first connecting rod, with the at the top of the upper fixture block two sides and lower platen
One connecting rod is fixedly connected, and the lower fixture block two sides are provided with second connecting rod, the lower fixture block two sides and top board bottom with
Second connecting rod is fixedly connected, and is provided with limiting slot at the top of the lower fixture block, the upper fixture block bottom is provided with limited post, the limit
Position column and limiting slot grafting.
Preferably, the upper fixture block bottom surface is provided with clamping opening, and the lower fixture block top surface is provided with lower clamping opening.
Preferably, the lower clamping opening is internally provided with light trough, and the light trough is internally provided with infrared lamp.
Preferably, it is provided with telescopic rod between the infrared lamp and light trough inner wall, is provided with third on the outside of the telescopic rod
Spring.
Preferably, the third spring one end is fixedly connected with infrared lamp, the third spring other end and light trough inner wall
It is fixedly connected.
Preferably, the upper clamping opening is internally provided with cushion, the upper clamping opening and the lower vertical Corresponding matching of clamping opening.
The technical effect and advantage of the utility model:
1, by being conducive to lower platen and pushing up upper fixture block equipped with first connecting rod, the first spring contraction, by being equipped with
Second connecting rod is conducive to top board and pushes down on lower fixture block, and second spring is shunk, and upper fixture block is separated with lower fixture block, user
It can place a digit between clamping opening and lower clamping opening, unclamp top board and lower platen, by being equipped with the first spring and second spring,
The elongation of first spring generates down thrust effect to upper fixture block, and second spring elongation generates upwards thrust effect to lower fixture block, has
Conducive to making upper clamping opening and lower clamping opening that grip finger by being equipped with limited post and limiting slot, is conducive to upper clamping opening and lower clamping opening pair
Together, avoid shifting and influence infrared lamp light filling effect, by up and down it is clipping, be conducive to contact fixture block with finger sufficiently,
Convenient for referring to venous collection effect；
2, by being equipped with upper clamping opening and lower clamping opening, be conducive to contact all infrared lamps all with finger, be mended convenient for improving
Light effect improves and is equipped with cushion, is conducive to the comfort level for improving user's finger, since each infrared lamp passes through the side of PWM
Formula is independently controlled, therefore can individually control the brightness of each infrared lamp, according to circumstances adjusts the bright of different location infrared lamp
Degree avoids local location light filling not enough or overexposure, is conducive to increase and refers to the accuracy of hand vein recognition.
Detailed description of the invention
Fig. 1 is the front section view of the utility model.
Fig. 2 is the side sectional view of the utility model.
Fig. 3 is the portion A enlarged drawing in Fig. 2 of the utility model.
In figure: 1 top board, 2 lower platens, 3 sliding blocks, 4 sliding slots, 5 upper fixture blocks, 6 lower fixture blocks, 7 first springs, 8 second springs,
9 first connecting rods, 10 second connecting rods, 11 limiting slots, 12 limited posts, clamping opening, 14 lower clamping opening, 15 light troughs, 16 infrared lamps, 17 are stretched on 13
Contracting bar, 18 third springs, 19 cushions.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides one kind as shown in Figs. 1-3 and dynamically refers to that vein infrared backlight adjusts device entirely, including upper
Pressing plate 1,1 bottom of top board are provided with lower platen 2, and the 1 outer wall two sides of top board are provided with sliding block 3, the pushing
2 inner wall two sides of plate are provided with sliding slot 4, and the sliding block 3 is slidably connected with sliding slot 4, and the top board 1 is internally provided with upper fixture block
5, the lower platen 2 is internally provided with lower fixture block 6, is provided with the first spring 7 between the top board 1 and upper fixture block 5, and described
One spring, 7 one end is fixedly connected with top board 1, and 7 other end of the first spring is fixedly connected with upper fixture block 5, the lower platen 2
Second spring 8 is provided between lower fixture block 6, described 8 one end of second spring is fixedly connected with lower platen 2, the second spring 8
The other end is fixedly connected with lower fixture block 6, and by being equipped with the first spring 7 and second spring 8, the elongation of the first spring 7 produces upper fixture block 5
Raw down thrust effect, the elongation of second spring 8 generate upwards thrust effect to lower fixture block 6, are conducive to make clamping opening 13 and lower folder
For mouth 14 by grip finger, 5 two sides of upper fixture block are provided with first connecting rod 9, by being equipped with first connecting rod 9, are conducive to push
Plate 2 pushes up upper fixture block 5, and the first spring 7 is shunk, 5 two sides of upper fixture block and the top of lower platen 2 with first connecting rod 9
It is fixedly connected, 6 two sides of lower fixture block are provided with second connecting rod 10, and by being equipped with second connecting rod 10, being conducive to top board 1 will
Lower fixture block 6 pushes down on, and second spring 8 is shunk, and 6 two sides of lower fixture block and 1 bottom of top board are fixed with second connecting rod 10
It connects, is provided with limiting slot 11 at the top of the lower fixture block 6,5 bottom of upper fixture block is provided with limited post 12, the limited post 12
Be conducive to upper clamping opening 13 by being equipped with limited post 12 and limiting slot 11 with 11 grafting of limiting slot and be aligned with lower clamping opening 14, avoid sending out
Raw 16 light filling effect of bias effect infrared lamp is conducive to contact fixture block with finger sufficiently, is convenient for finger quiet by clipping up and down
Arteries and veins collection effect.
Further, in the above-mentioned technical solutions, 5 bottom surface of upper fixture block is provided with clamping opening 13, the lower folder
6 top surface of block is provided with lower clamping opening 14, upper clamping opening 13 and lower clamping opening 14 for after grip finger, of different size due to finger,
And the meat at articulations digitorum manus has and has less, and the position much wider and meat will be conducive to make by 16 jacking light trough 15 of infrared lamp
All infrared lamps 16 are all contacted with finger, convenient for improving light filling effect；
Further, in the above-mentioned technical solutions, the lower clamping opening 14 is internally provided with light trough 15, inside the light trough 15
It is provided with infrared lamp 16；
Further, in the above-mentioned technical solutions, it is provided with telescopic rod 17 between 15 inner wall of the infrared lamp 16 and light trough,
Third spring 18 is provided on the outside of the telescopic rod 17；
Further, in the above-mentioned technical solutions, described 18 one end of third spring is fixedly connected with infrared lamp 16, and described
Three springs, 18 other end is fixedly connected with 15 inner wall of light trough；
Further, in the above-mentioned technical solutions, the upper clamping opening 13 is internally provided with cushion 19, improves and is equipped with cushion
19, be conducive to the comfort level for improving user's finger, the upper clamping opening 13 and the vertical Corresponding matching of lower clamping opening 14.
This practical working principle:
Referring to Figure of description 1-2, in use, top board 1 and lower platen 2 are pressed inwardly simultaneously, by being equipped with the
One connecting rod 9 is conducive to lower platen 2 and pushes up upper fixture block 5, and the first spring 7 is shunk, by being equipped with second connecting rod 10, favorably
Lower fixture block 6 is pushed down in top board 1, second spring 8 is shunk, and upper fixture block 5 is separated with lower fixture block 6, and user can be by finger
It is put between clamping opening 13 and lower clamping opening 14, unclamps top board 1 and lower platen 2, by being equipped with the first spring 7 and second spring 8,
The elongation of first spring 7 generates down thrust effect to upper fixture block 5, and the elongation of second spring 8 pushes up masterpiece to the generation of lower fixture block 6
With being conducive to make clamping opening 13 and lower clamping opening 14 that grip finger is conducive to upper folder by being equipped with limited post 12 and limiting slot 11
Mouthfuls 13 are aligned with lower clamping opening 14, and avoiding shifting influences 16 light filling effect of infrared lamp, by upper and lower clipping, are conducive to make to press from both sides
Block contacts sufficiently with finger, convenient for referring to venous collection effect；
Referring to Figure of description 2-3, upper clamping opening 13 and lower clamping opening 14 are of different size due to finger by after grip finger,
And the meat at articulations digitorum manus has and has less, and the position much wider and meat will be conducive to make by 16 jacking light trough 15 of infrared lamp
All infrared lamps 16 are all contacted with finger, convenient for improving light filling effect, are improved and are equipped with cushion 19, are conducive to improve user's hand
The comfort level of finger can be controlled individually each infrared since each infrared lamp 16 is independently controlled by way of PWM
The brightness of lamp 16 according to circumstances adjusts the brightness of different location infrared lamp 16, and it is not enough or excessive to avoid local location light filling
Exposure is conducive to increase the accuracy for referring to hand vein recognition.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of dynamically refer to that vein infrared backlight adjusts device, including top board (1) entirely, it is characterised in that: the top board (1)
Bottom is provided with lower platen (2), and top board (1) the outer wall two sides are provided with sliding block (3), lower platen (2) inner wall two
Side is provided with sliding slot (4), and the sliding block (3) is slidably connected with sliding slot (4), and the top board (1) is internally provided with upper fixture block
(5), the lower platen (2) is internally provided with lower fixture block (6), is provided with the first bullet between the top board (1) and upper fixture block (5)
Spring (7), described first spring (7) one end are fixedly connected with top board (1), the first spring (7) other end and upper fixture block (5)
Be fixedly connected, be provided with second spring (8) between the lower platen (2) and lower fixture block (6), described second spring (8) one end with
Lower platen (2) is fixedly connected, and second spring (8) other end is fixedly connected with lower fixture block (6), upper fixture block (5) two sides
It is provided with first connecting rod (9), is fixedly connected with first connecting rod (9) at the top of upper fixture block (5) two sides and lower platen (2),
Lower fixture block (6) two sides are provided with second connecting rod (10), and lower fixture block (6) two sides and top board (1) bottom are with
Two connecting rods (10) are fixedly connected, and are provided with limiting slot (11) at the top of the lower fixture block (6), upper fixture block (5) bottom is provided with
Limited post (12), the limited post (12) and limiting slot (11) grafting.
2. one kind according to claim 1 dynamically refers to that vein infrared backlight adjusts device entirely, it is characterised in that: the upper folder
Block (5) bottom surface is provided with clamping opening (13), and lower fixture block (6) top surface is provided with lower clamping opening (14).
3. one kind according to claim 2 dynamically refers to that vein infrared backlight adjusts device entirely, it is characterised in that: the lower folder
Mouth (14) is internally provided with light trough (15), and the light trough (15) is internally provided with infrared lamp (16).
4. one kind according to claim 3 dynamically refers to that vein infrared backlight adjusts device entirely, it is characterised in that: described infrared
It is provided with telescopic rod (17) between lamp (16) and light trough (15) inner wall, is provided with third spring on the outside of the telescopic rod (17)
(18)。
5. one kind according to claim 4 dynamically refers to that vein infrared backlight adjusts device entirely, it is characterised in that: the third
Spring (18) one end is fixedly connected with infrared lamp (16), third spring (18) other end and the fixed company of light trough (15) inner wall
It connects.
6. one kind according to claim 2 dynamically refers to that vein infrared backlight adjusts device entirely, it is characterised in that: the upper folder
Mouth (13) is internally provided with cushion (19), the upper clamping opening (13) and the vertical Corresponding matching of lower clamping opening (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820887678.XU CN208958131U (en) | 2018-06-08 | 2018-06-08 | It is a kind of dynamically to refer to that vein infrared backlight adjusts device entirely |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820887678.XU CN208958131U (en) | 2018-06-08 | 2018-06-08 | It is a kind of dynamically to refer to that vein infrared backlight adjusts device entirely |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208958131U true CN208958131U (en) | 2019-06-11 |
Family
ID=66747683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820887678.XU Expired - Fee Related CN208958131U (en) | 2018-06-08 | 2018-06-08 | It is a kind of dynamically to refer to that vein infrared backlight adjusts device entirely |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208958131U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112022413A (en) * | 2020-06-30 | 2020-12-04 | 温州医科大学 | Positioning device for positioning tail of rat |
-
2018
- 2018-06-08 CN CN201820887678.XU patent/CN208958131U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112022413A (en) * | 2020-06-30 | 2020-12-04 | 温州医科大学 | Positioning device for positioning tail of rat |
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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: 20190611 |