CN209327411U - A kind of micro single-needle flying probe head - Google Patents
A kind of micro single-needle flying probe head Download PDFInfo
- Publication number
- CN209327411U CN209327411U CN201822174191.XU CN201822174191U CN209327411U CN 209327411 U CN209327411 U CN 209327411U CN 201822174191 U CN201822174191 U CN 201822174191U CN 209327411 U CN209327411 U CN 209327411U
- Authority
- CN
- China
- Prior art keywords
- testing needle
- fixes sleeve
- movable plate
- needle
- ontology
- Prior art date
- 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
Links
Landscapes
- Measuring Leads Or Probes (AREA)
Abstract
The utility model relates to a kind of micro single-needle flying probe heads, including mounting base, the mounting base inner cavity offers mounting hole, the mounting hole inner cavity is provided with conductive layer, the mounting base bottom is fixedly installed fixed plate, the fixed plate bottom is fixedly connected with fixes sleeve, protective cover has been connected through a screw thread on the outside of the fixes sleeve, the fixes sleeve inner cavity is provided with movable plate, it is connect by squeezing spring with fixed plate at the top of the movable plate, the movable plate center offers through-hole, the fixes sleeve inner cavity is provided with testing needle ontology, the testing needle ontology extends in mounting hole through fixed plate, and protective cover is run through in testing needle ontology bottom end, the testing needle outer body is fixedly installed limit plate, the limit plate is between movable plate and protective cover, increase the stability of testing needle ontology installation, just In progress dismounting and change, while increasing the elasticity of testing needle, avoid that pcb board is caused to damage, improves production efficiency.
Description
Technical field
The utility model relates to a kind of micro single-needle flying probe heads, belong to flying probe engineering device technique field.
Background technique
Flying probe tester is to arrange that high density, the number of plies is more, wiring density is big, measuring point is apart from small pcb board (print for element
Printed circuit board) a kind of instrument for being tested, the insulation and conduction value of main measurement circuit plate, tester generally uses " true value
Comparison and location method " can monitor test process and fault point in real time, guarantee the accuracy of test, connect on existing testing needle
Wiring is easy to be hooked to break, and easy damaged that the elasticity of testing needle is insufficient, existing prong class testing head assembly interference is serious, service life
It is short, and flying probe head is connected with tie point by hard contact and has passed through welded connecting, and structure is complicated, is needing replacing
Need to dismantle pad and screw when testing needle, it is time-consuming and laborious, reduce production efficiency.
Utility model content
The purpose of this utility model is to provide a kind of micro single-needle flying probe heads will be tested by the way that conductive layer is arranged
Needle ontology is mounted in mounting hole, and testing needle ontology can be in close contact with conductive sheet, guarantees the reliable of testing needle ontology electrical connection
Property, increase the elasticity of testing needle when testing needle ontology is moved down and contacted with pcb board by the way that movable plate is arranged, avoids PCB
Plate is damaged, and sliding slot and slide bar cooperate, and avoid movable plate from rotating in fixes sleeve, lead to testing needle position inaccurate, leads to
Setting protective cover is crossed, when needing replacing testing needle ontology, protective cover need to only be dismantled, so that it may testing needle ontology is taken out, it will
New testing needle ontology insertion fixes sleeve installs protective cover again, facilitates the operation of staff, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the utility model provides the following technical solutions:
A kind of micro single-needle flying probe head, including mounting base, the mounting base inner cavity offer mounting hole, the installation
Hole inner cavity is provided with conductive layer, and the mounting base bottom is fixedly installed fixed plate, and the fixed plate bottom is fixedly connected with
Determine sleeve, is connected through a screw thread protective cover on the outside of the fixes sleeve, the fixes sleeve inner cavity is provided with movable plate, described
It is connect by squeezing spring with fixed plate at the top of movable plate, the movable plate center offers through-hole, the fixes sleeve inner cavity
It is provided with testing needle ontology, the testing needle ontology extends in mounting hole through fixed plate, and testing needle ontology bottom end
Through protective cover, the testing needle outer body is fixedly installed limit plate, the limit plate be located at movable plate and protective cover it
Between.
Further, felt pad is provided at the fixes sleeve, movable plate, fixed plate and testing needle body contacts
Piece.
Further, the conductive layer is made of conductive sheet, reset spring, and the conductive sheet and inner wall of the hole installing pass through again
Position spring connection, and the diameter between the conductive sheet is less than the diameter of testing needle ontology.
Further, it is uniformly provided with location hole on the movable plate, locating rod, institute are fixedly installed on the limit plate
State locating rod insertion positioning hole.
Further, the fixes sleeve two sides offer sliding slot, and the movable plate two sides are fixedly installed slide bar, institute
It states in slide bar insertion sliding slot, and the height of the sliding slot is less than the height of fixes sleeve.
Further, testing needle ontology bottom end is provided with contact syringe needle.
The beneficial effects of the utility model are: a kind of micro single-needle flying probe head involved in the utility model, passes through
Conductive layer is set, testing needle ontology is mounted in mounting hole, testing needle ontology can be in close contact with conductive sheet, guarantee testing needle
The reliability of ontology electrical connection, when testing needle ontology is moved down and contacted with pcb board, increases test by the way that movable plate is arranged
The elasticity of needle, avoids pcb board from being damaged, and sliding slot and slide bar cooperate, and avoids movable plate from rotating in fixes sleeve, causes to test
Needle position inaccurate, when needing replacing testing needle ontology, need to only be dismantled protective cover, so that it may will survey by the way that protective cover is arranged
Test point ontology takes out, and new testing needle ontology insertion fixes sleeve is installed protective cover again, facilitates the operation of staff.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel specific embodiment is used to explain the utility model together, does not constitute limitations of the present invention.
Fig. 1 is a kind of cross-sectional view of micro single-needle flying probe head of the utility model；
Fig. 2 is a kind of schematic diagram of conductive layer structure of micro single-needle flying probe head of the utility model；
Fig. 3 is a kind of fixes sleeve schematic top plan view of micro single-needle flying probe head of the utility model；
Figure label: 1, mounting base；2, mounting hole；3, conductive layer；4, fixed plate；5, fixes sleeve；6, protective cover；7, it moves
Movable plate；8, spring is squeezed；9, through-hole；10, testing needle ontology；11, limit plate；12, conductive sheet；13, reset spring；14, it positions
Hole；15, locating rod；16, sliding slot；17, slide bar；18, syringe needle is contacted.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Fig. 1-Fig. 3 is please referred to, the utility model provides a kind of technical solution:
A kind of micro single-needle flying probe head, including mounting base 1,1 inner cavity of mounting base offers mounting hole 2, described
2 inner cavity of mounting hole is provided with conductive layer 3, and testing needle ontology 10 is mounted in mounting hole 2,10 meeting of testing needle ontology and conductive sheet
12 are in close contact, and guarantee the reliability that testing needle ontology 10 is electrically connected, 1 bottom of mounting base is fixedly installed fixed plate 4, institute
It states 4 bottom of fixed plate and is fixedly connected with fixes sleeve 5, protective cover 6 has been connected through a screw thread on the outside of the fixes sleeve 5, it is described
5 inner cavity of fixes sleeve is provided with movable plate 7, is connect by squeezing spring 8 with fixed plate 4 at the top of the movable plate 7, in testing needle
Ontology 10 moves down when contacting with pcb board, increases the elasticity of testing needle, pcb board is avoided to be damaged, in the movable plate 7
The heart offers through-hole 9, and 5 inner cavity of fixes sleeve is provided with testing needle ontology 10, and the testing needle ontology 10 runs through fixed plate 4
It extends in mounting hole 2, and protective cover 6 is run through in 10 bottom end of testing needle ontology, fixation is set on the outside of the testing needle ontology 10
It is equipped with limit plate 11, when needing replacing testing needle ontology 10, protective cover 6 need to only be dismantled, so that it may take testing needle ontology 10
Out, new testing needle ontology 10 is inserted into fixes sleeve 5 and protective cover 6 is installed again, the limit plate 11 be located at movable plate 7 and
Between protective cover 6.
More specifically, the fixes sleeve 5, movable plate 7, fixed plate 4 and 10 contact position of testing needle ontology are provided with
Insulation spacer avoids being affected when testing needle ontology 10 is conductive, increases the accuracy of its test, and the conductive layer 3 is by conduction
Piece 12, reset spring 13 are constituted, and the conductive sheet 12 is connect with 2 inner wall of mounting hole by reset spring 13, and the conductive sheet
Diameter between 12 is less than the diameter of testing needle ontology 10, and when being inserted into testing needle ontology 10, testing needle ontology 10 is by conductive sheet 12
It squeezes outward, is in close contact conductive sheet 12 with testing needle ontology 10, increases the reliability of electrical connection, the movable plate
It is uniformly provided with location hole 14 on 7, locating rod 15 is fixedly installed on the limit plate 11, the locating rod 15 is inserted into location hole
In 14,5 two sides of fixes sleeve offer sliding slot 16, and 7 two sides of movable plate are fixedly installed slide bar 17, the slide bar
In 17 insertion sliding slots 16, and the height of the sliding slot 16 is less than the height of fixes sleeve 5, avoids movable plate 7 and testing needle ontology
10 rotate in fixes sleeve when mobile, lead to testing needle position inaccurate, 10 bottom end of testing needle ontology is provided with contact
Syringe needle 18 is conducive to testing needle ontology 10 and is contacted well with miniature by pcb board.
Utility model works principle: testing needle ontology 10 is mounted in mounting hole 2, and testing needle ontology 10 is by conductive sheet
12 squeeze outward, are in close contact conductive sheet 12 with testing needle ontology 10, and the insertion of locating rod 15 on limit plate 11 is allowed to move
In location hole 14 on movable plate 7, it is fixed by protective cover 6, when in use, testing needle ontology 10, which moves down, to be made to contact
When syringe needle 18 and pcb board contact, the elasticity that spring 8 increases testing needle is squeezed, protection pcb board is injury-free, surveys needing replacing
When test point ontology 10, protective cover 6 need to only be dismantled, testing needle ontology 10 is taken out, new testing needle ontology 10 is inserted into and is fixed
Sleeve 5 installs protective cover 6 again, facilitates the operation of staff.
The above are the preferable embodiment of the utility model, the utility model those skilled in the art can also be to upper
It states embodiment to change and modify, therefore, the utility model is not limited to above-mentioned specific embodiment, all abilities
Field technique personnel made any conspicuous improvement, replacement or modification on the basis of the utility model belong to practical
Novel protection scope.
Claims (6)
1. a kind of micro single-needle flying probe head, including mounting base (1), it is characterised in that: mounting base (1) inner cavity offers
Mounting hole (2), mounting hole (2) inner cavity are provided with conductive layer (3), and mounting base (1) bottom is fixedly installed fixed plate
(4), fixed plate (4) bottom is fixedly connected with fixes sleeve (5), has been connected through a screw thread on the outside of the fixes sleeve (5)
Protective cover (6), fixes sleeve (5) inner cavity are provided with movable plate (7), by squeezing spring (8) at the top of the movable plate (7)
It is connect with fixed plate (4), movable plate (7) center offers through-hole (9), and fixes sleeve (5) inner cavity is provided with test
Needle ontology (10), the testing needle ontology (10) extends in mounting hole (2) through fixed plate (4), and the testing needle ontology
(10) protective cover (6) are run through in bottom end, are fixedly installed limit plate (11), the limit plate on the outside of the testing needle ontology (10)
(11) between movable plate (7) and protective cover (6).
2. a kind of micro single-needle flying probe head according to claim 1, it is characterised in that: the fixes sleeve (5) is moved
Movable plate (7), fixed plate (4) and testing needle ontology (10) contact position are provided with insulation spacer.
3. a kind of micro single-needle flying probe head according to claim 1, it is characterised in that: the conductive layer (3) is by leading
Electric piece (12), reset spring (13) are constituted, and the conductive sheet (12) is connect with mounting hole (2) inner wall by reset spring (13),
And the diameter between the conductive sheet (12) is less than the diameter of testing needle ontology (10).
4. a kind of micro single-needle flying probe head according to claim 1, it is characterised in that: on the movable plate (7)
It is even to offer location hole (14), it is fixedly installed locating rod (15) on the limit plate (11), locating rod (15) insertion is fixed
In position hole (14).
5. a kind of micro single-needle flying probe head according to claim 1, it is characterised in that: the fixes sleeve (5) two
Side offers sliding slot (16), and movable plate (7) two sides are fixedly installed slide bar (17), and the slide bar (17) is inserted into sliding slot
(16) in, and the height of the sliding slot (16) is less than the height of fixes sleeve (5).
6. a kind of micro single-needle flying probe head according to claim 1, it is characterised in that: the testing needle ontology (10)
Bottom end is provided with contact syringe needle (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822174191.XU CN209327411U (en) | 2018-12-24 | 2018-12-24 | A kind of micro single-needle flying probe head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822174191.XU CN209327411U (en) | 2018-12-24 | 2018-12-24 | A kind of micro single-needle flying probe head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209327411U true CN209327411U (en) | 2019-08-30 |
Family
ID=67728288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822174191.XU Expired - Fee Related CN209327411U (en) | 2018-12-24 | 2018-12-24 | A kind of micro single-needle flying probe head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209327411U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111122926A (en) * | 2019-12-24 | 2020-05-08 | 杭州易正科技有限公司 | Test probe seat capable of independently taking down probe |
| CN113607984A (en) * | 2021-06-28 | 2021-11-05 | 昆山兢美电子科技有限公司 | Flying probe testing machine and flying probe module thereof |
-
2018
- 2018-12-24 CN CN201822174191.XU patent/CN209327411U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111122926A (en) * | 2019-12-24 | 2020-05-08 | 杭州易正科技有限公司 | Test probe seat capable of independently taking down probe |
| CN113607984A (en) * | 2021-06-28 | 2021-11-05 | 昆山兢美电子科技有限公司 | Flying probe testing machine and flying probe module thereof |
| CN113607984B (en) * | 2021-06-28 | 2022-05-31 | 昆山兢美电子科技有限公司 | Flying probe testing machine and flying probe module thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209327411U (en) | A kind of micro single-needle flying probe head | |
| CN2906633Y (en) | Socket test module | |
| CN205091435U (en) | PCB testing arrangement | |
| CN105388336A (en) | Auxiliary testing device for oscilloscope probes | |
| CN103412165A (en) | Testing jig for testing mobile phone PCB pin point conduction | |
| CN104914374A (en) | Device for detecting electrical performance of chips | |
| CN104931830A (en) | Electronic cigarette host test fixture | |
| CN202994859U (en) | Probe device | |
| CN203084016U (en) | Joint for multimeter and multimeter with joint | |
| CN105699879B (en) | A kind of frequency PCB board test connection slide glass | |
| CN202649248U (en) | Flexible circuit board electrical measurement fixture | |
| CN103076468A (en) | Probe device | |
| CN203350303U (en) | Test jig for testing cell phone PCB plate pinpoint conduction | |
| CN209102862U (en) | A kind of circuit board detecting tooling | |
| CN112630539B (en) | Test pin die and test device for FPC performance test | |
| CN1916643A (en) | Device for testing integrated electric apparatus | |
| CN109696601B (en) | Needle bed aging and detecting device | |
| CN103308219B (en) | Electric appliance reed elasticity value measuring device and electric appliance reed elasticity value measuring method | |
| CN202994860U (en) | Dual-head probe apparatus | |
| CN207717928U (en) | Arrangement for testing integrated circuit | |
| CN208999469U (en) | A kind of detection device for detecting fixture and stamp hole core board of stamp hole core board | |
| CN208317198U (en) | A kind of detector flexible circuit board protective device | |
| CN215678640U (en) | Fine-spacing elastic sheet pin module | |
| CN220829564U (en) | Patch resistor insulation voltage-withstanding measurement experiment device | |
| CN219417571U (en) | ICT test fixture with spacing post |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190830 Termination date: 20201224 |