CN2574079Y - Mainframe board testing clamp - Google Patents
Mainframe board testing clamp Download PDFInfo
- Publication number
- CN2574079Y CN2574079Y CN 02248846 CN02248846U CN2574079Y CN 2574079 Y CN2574079 Y CN 2574079Y CN 02248846 CN02248846 CN 02248846 CN 02248846 U CN02248846 U CN 02248846U CN 2574079 Y CN2574079 Y CN 2574079Y
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- CN
- China
- Prior art keywords
- plate
- motherboard
- board
- anchor clamps
- board testing
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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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Abstract
The utility model relates to a mainframe board testing clamp which is used for positioning a mainframe board provided with a supporting board. The supporting board is provided with a plurality of penetration holes. The mainframe board testing clamp comprises a mainframe table and a movable pressing board, wherein the mainframe stable comprises a lower base and a first board which is installed on the lower base and can float up and down. The first board is provided with a plurality of positioning pieces and through holes. The lower base is provided with first convex posts corresponding to the through holes. The movable pressing board comprises an upper base and a second board installed on the upper base, wherein the second board is provided with a plurality of supporting posts, third convex posts and a pair of positioning pins. The mainframe board is supported by the positioning pieces of the first board. The positioning pins penetrate through the positioning holes of the mainframe board. The first board is downwards pressed by the supporting posts, and the upper surface of the mainframe board is downwards pressed by the third convex posts. The first convex posts orderly penetrate through the through holes of the first board and the penetration holes of the supporting board to upwards and tightly support the lower surface of the mainframe board. The mainframe board provided with the supporting board can be accurately fixed to the mainframe table of the testing machine.
Description
[technical field]
The utility model relates to a kind of mainboard test equipment, refers to a kind of host board testing anchor clamps that have back up pad that are applicable to especially.
[technical background]
Motherboard is a printed circuit board (PCB) that a large amount of electronic components are installed, it is the nerve center of computer system, so after its assembling is finished, need through test so be provided with a mainboard testing machine it to be tested at the assembly line end to check it whether can operate as normal.Can its method of testing generally be that test card is inserted in the connector of motherboard, come the Test Host plate operate as normal by special test circuit then.
On the full-automatic testing machine, test card all is to plug automatically by Realization by Machine, these test cards can be inserted on the motherboard accurately for making machine, and the accurate location of motherboard is even more important.Desire accurate positioning host plate, then must with motherboard this as positioning reference, and locate by the pilot hole of being located at motherboard.
In the prior art, disclosed a kind of test fixture of this kind motherboard for No. 370197 as the Taiwan patent announcement, it includes a main engine bed and a moving press plate, this main engine bed is provided with a plurality of register pins, treat motherboard be positioned on this main engine bed after, these register pin correspondences are passed the pilot hole of motherboard to limit the displacement of its horizontal direction; This moving press plate is provided with a plurality of elasticity pressure bars, and when this moving press plate moved to the appropriate location, these pressure bars pushed against motherboard downwards to limit the displacement of its vertical direction.
In the above-mentioned locator meams, because motherboard can directly be chosen for positioning reference, these register pins also can directly be located in the pilot hole of this motherboard, therefore can accurately locate this kind motherboard.
Yet along with the continuous expansion of computer function, the element on the motherboard is more and more, is the intensity of reinforcement motherboard and the fragile element of part on the protection motherboard, has dealer's interval setpoint distance below motherboard to fix a metal profile.Because the pilot hole of this kind motherboard is blocked by this back up pad, then these register pins can't directly be located in the pilot hole of motherboard, moreover, this metal profile make and installation process in all may have error, can not be positioning reference with the metal profile during positioning host plate like this.Therefore, above-mentioned existing locator meams can not be applied to the test of this such motherboard.At present, when testing such motherboard, test card still adopts manual plug.But, often cause the instability of plug-in card by manual operations, and then make circuit signal that situations such as bad take place to interrupt or export, and, plug test card repeatedly, for the operator, labour intensity is quite big.
[summary of the invention]
The purpose of this utility model provides a kind ofly can accurately locate the host board testing anchor clamps that have back up pad.
The purpose of this utility model is achieved through the following technical solutions: the utility model host board testing anchor clamps, be used to locate a motherboard that back up pad is installed, and this back up pad is provided with a plurality of perforatings, and these anchor clamps comprise a main engine bed and a moving press plate.First plate that this main engine bed comprises a bottom base and is installed on this bottom base and can fluctuates, this first plate is provided with a plurality of keepers and through hole, and this bottom base is provided with first projection corresponding with described through hole; This moving press plate comprises a top base and is installed in second plate of this top base that this second plate is provided with a plurality of support columns, the 3rd projection and a pair of register pin.The keeper of this first plate supports this motherboard, this is arranged in the pilot hole of this motherboard to register pin, described support column compresses this first plate downwards, described the 3rd projection pushes against the upper surface of this motherboard downwards, this first projection is arranged in the perforating of the through hole of this first plate and this back up pad successively and upwards pushes against the lower surface of this motherboard, and this motherboard with back up pad can accurately be fixed on this test machine main engine bed.。
The advantage of the utility model host board testing anchor clamps is: adopt the mode that supports of floating that the motherboard upper surface is pressed on the moving press plate, and then adopt elastic positioning pin to pass pilot hole and locate, the location is accurately reliable.
[description of drawings]
In conjunction with the embodiments the utility model is further described with reference to the accompanying drawings.
Fig. 1 is the three-dimensional exploded view that the utility model host board testing anchor clamps and have the motherboard of back up pad.
Fig. 2 is that the utility model host board testing anchor clamps and this have the side view of the motherboard of back up pad.
Fig. 3 is that the utility model host board testing anchor clamps are located the side view that this has the motherboard of back up pad.
Fig. 4 is the enlarged drawing of annulus IV among Fig. 3.
[embodiment]
Please refer to Fig. 1 and Fig. 2, the utility model host board testing anchor clamps are used to locate a motherboard 50 that back up pad 60 is installed, so that this motherboard 50 is tested, it comprises a main engine bed 10 and a moving press plate 30, this moving press plate 30 can be supported in this main engine bed 10 tops by a plurality of telescopic sway braces (figure do not show), rely on this sway brace flexible this moving press plate 30 can near or away from this main engine bed 10.
Wherein, this main engine bed 10 comprises that a bottom base 20 and is installed on first plate 21 of this bottom base 20.This bottom base 20 is provided with a plurality of elasticity ejector pins 23 that are used to support this first plate 21,21 4 jiaos of places of this first plate respectively are equipped with a guide frame 22, this guide frame 22 comprises one from bar portion 220 that these first plate, 21 lower surfaces protrude out downwards, this bottom base 20 corresponding holes (figure does not show) with set depth that are provided with, described bar portion 220 puts in the corresponding aperture of this bottom base 20.If this first plate 21 is subjected to downward pressing force effect, this first plate 21 can move downward vertically along the bar portion 220 of this guide frame 22, and can reset under the effect of this elasticity ejector pin 23.21 4 jiaos of places of this first plate respectively are provided with one first keeper 24, the inboard of described first keeper 24 respectively has an inclined-plane, relative dual-side respectively is provided with one second keeper 25 on this first plate 21, but wherein second keeper, 25 inboards of a side are provided with the locating convex block 252 of an elastic telescopic.These first plate, 21 central authorities are provided with a position detecting mechanism 26.This bottom base 20 is provided with a plurality of first projections 27 in the overlay area of this first plate 21, corresponding described first projection 27 is provided with a plurality of through holes 272 in this first plate 21, and this first plate 21 also is provided with a plurality of second projections 28 that make progress.This bottom base 20 respectively is provided with a guide posts 29 near these first plate, 21 1 diagonal angles, and each guide posts 29 is provided with a guide hole 290.
This moving press plate 30 comprises a top base 40 and is installed in second plate 41 of these top base 40 lower surface central authorities that this top base 40 is convexly equipped with a plurality of guide bars 42 and stop column 43 around this second plate 41.At least one test card 48 is installed on this second plate 41, and this second plate 41 is provided with a plurality of support columns 44 of equal length in two opposed edges, and described support column 44 is used to compress this first plate 21 and moves down.This second plate 41 is provided with a pair of elastic positioning pin that is electrically connected 45 in another edge, but each elastic positioning pin 45 has the thin head 452 of an elastic telescopic, and this head 452 is equipped with inductor (scheming not label).This second plate 41 is provided with a plurality of the 3rd projections 46 of equal length in zone line.
This motherboard 50 is provided with a pair of pilot hole 52 and is provided with an expansion slot 54 at least, and when this second plate 41 was shifted to this first plate 21, this test card 48 inserted in this expansion slot 54 to test.This back up pad 60 is one-body molded by conductive material, and the through hole 272 that 60 pairs of this back up pads should first plate 21 is provided with a plurality of perforatings 62, passes for first projection, 27 correspondences of this bottom base 20.One opposite side of this back up pad 60 respectively extends upward a flanging 64, and at least one flanging 64 is provided with a breach 66, and second keeper 25 of these first plate, 21 1 sides can pass this breach 66 and prop up this motherboard 50 edges.Before test, this back up pad 60 has used the locking of a plurality of locking parts such as screw (scheming not label) below this motherboard 50, and with these motherboard 50 lower surfaces setpoint distance at interval.
Please refer to Fig. 3 and Fig. 4, when locating this motherboard 50, earlier the combination of this motherboard 50 with this back up pad 60 placed on this first plate 21, described first keeper 24 uses inboard inclined-plane to support this back up pad 60 edges, described second projection 28 is upwards supported this back up pad 60, breach 66 place's motherboards 50 of one flanging 64 of this back up pad 60 are near second keeper 25 of a side, elasticity locating convex block 252 elasticity of second keeper 25 of opposite side compress another flanging 64 of this back up pad 60, simultaneously, the position detecting mechanism 26 of this first plate 21 detects motherboard 50 and has loaded; Then, this moving press plate 30 is shifted to this motherboard 50, and the guide bar of this moving press plate 30 42 is corresponding to be inserted in the guide hole 290 of described guide posts 29 to guide this moving press plate 30 near these motherboards 50; Along with moving down of moving press plate 30, the elastic positioning pin 45 of second plate 41 of this moving press plate 30 inserts the pilot hole 52 of this motherboard 50, the head 452 of this elastic positioning pin 45 passes the pilot hole 52 of motherboard 50 and elasticity presses on this back up pad 60, and the inductor of this head 452 was sensed this elastic positioning pin 45 and was in the position location this moment; After this moving press plate 30 continues to move down, this head 452 indentations, one segment length but still maintenance contact with this back up pad 60, the support column 44 of this second plate 41 contacts with first plate 21 of this main engine bed 10, simultaneously, the test card 48 of this second plate 41 inserts in the expansion slot 54 of this motherboard 50, and the 3rd projection 46 of this second plate 41 contacts with these motherboard 50 upper surfaces; After this moving press plate 30 continues to move down, this support column 44 overcome these first plate, 21 belows elasticity ejector pin 23 elastic force and promote this first plate 21 and move down along the bar portion 220 of guide frame 22, and this motherboard 50 and back up pad 60 are also followed this first plate 21 and are moved down, along with moving down of this first plate 21, described first projection 27 passes the through hole 272 of this first plate 21 and the perforating 62 of this back up pad 60; At last, the stop column 43 of this moving press plate 30 arrives to the bottom base 20 of this main engine bed 10, and this moving press plate 30 stops to move, and at this moment, described first projection 27 presses on the lower surface of this motherboard 50.Like this, this motherboard 50 utilizes this that elastic positioning pin 45 is limited the displacement of its level, and utilizes the 3rd projection 46 of the upper and lower surface that props up this motherboard 50 respectively and the displacement that first projection 27 limits its vertical direction.
In the utility model host board testing anchor clamps, described support column 44 length are identical, after propping up this first plate 21 downwards, can guarantee that this first plate 21 is parallel with this second plate 41, this test card 48 vertically is inserted in the expansion slot 54, compresses this motherboard 50 and described first projection 27 downwards by described the 3rd projection 46 again and upwards compress this motherboard 50 and can accurately locate this motherboard 50.。
Claims (10)
1. host board testing anchor clamps that are used for the positioning host plate, this motherboard is provided with a plurality of pilot holes, the interval setpoint distance is equipped with a back up pad below this motherboard, this back up pad is provided with a plurality of perforatings, this test fixture comprises that a main engine bed and is installed in the moving press plate on this main engine bed movably, it is characterized in that: first plate that this main engine bed comprises a bottom base and is installed on this bottom base and can fluctuates, this first plate is provided with a plurality of through holes and supports the keeper of motherboard, and this bottom base is provided with a plurality of first projections that pass the perforating of described through hole and this back up pad; This moving press plate comprises a top base and is installed in second plate of this top base that this second plate comprises a plurality of the 3rd projections, register pin and compresses the support column of this first plate; Described register pin is arranged in the pilot hole of this motherboard, and described first projection is pressed on the lower surface of this motherboard, and described the 3rd projection is pressed on the upper surface of this motherboard, thereby this motherboard is accurately located.
2. host board testing anchor clamps as claimed in claim 1 is characterized in that: this first plate is provided with a plurality of guide frames, and each guide frame is provided with a bar portion, and the bottom base correspondence of this main engine bed is provided with the hole with set depth of inserting for these bar portions.
3. host board testing anchor clamps as claimed in claim 2 is characterized in that: this bottom base also is provided with a plurality of elasticity ejector pins that are used for this first plate of resiliency supported.
4. host board testing anchor clamps as claimed in claim 1, it is characterized in that: the keeper of this first plate comprise be positioned at four jiaos of this first plates place to first keeper of this motherboard lateral margin of upper support and be positioned at second keeper of these first plate, two relative edge's edge, wherein but the keeper at an edge is provided with the locating convex block of an elastic telescopic towards motherboard, this locating convex block elasticity is pressed on an edge of this back up pad, and the keeper at another edge is near another edge of this motherboard.
5. host board testing anchor clamps as claimed in claim 1 is characterized in that: this first plate also is provided with second projection that is used to support this back up pad.
6. host board testing anchor clamps as claimed in claim 1 is characterized in that: this first plate is provided with a position detecting mechanism that is used to detect this motherboard position.
7. host board testing anchor clamps as claimed in claim 1, it is characterized in that: the register pin of described second plate is electrically connected, but each register pin comprises the head of an elastic telescopic, and this head is equipped with inductor, and described register pin compresses this back up pad after passing the pilot hole of motherboard.
8. host board testing anchor clamps as claimed in claim 1, it is characterized in that: the top base of this moving press plate also is convexly equipped with a plurality of guide bars at this second panel area, the bottom base correspondence of this main engine bed is provided with the guide posts of a plurality of tool guide holes, and described guide bar is arranged in the described guide hole.
9. host board testing anchor clamps as claimed in claim 1 is characterized in that: the top base of this moving press plate also is convexly equipped with a plurality of arresting levers of this main engine bed bottom base to stop this moving press plate to be moved further that compress at this second panel area.
10. host board testing anchor clamps as claimed in claim 1 is characterized in that: this moving press plate is connected to this main engine bed by a plurality of telescopic sway braces and realizes moving of this moving press plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02248846 CN2574079Y (en) | 2002-10-21 | 2002-10-21 | Mainframe board testing clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02248846 CN2574079Y (en) | 2002-10-21 | 2002-10-21 | Mainframe board testing clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2574079Y true CN2574079Y (en) | 2003-09-17 |
Family
ID=33719397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02248846 Expired - Fee Related CN2574079Y (en) | 2002-10-21 | 2002-10-21 | Mainframe board testing clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2574079Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100405887C (en) * | 2005-04-26 | 2008-07-23 | 佛山市顺德区顺达电脑厂有限公司 | Main board assembling method and equipment therefor |
| CN102092018A (en) * | 2011-01-14 | 2011-06-15 | 富泰华工业（深圳）有限公司 | Positioning jig |
| CN102136445A (en) * | 2010-12-23 | 2011-07-27 | 大连艾科科技开发有限公司 | Special fixture for assembling small semiconductor refrigerator |
| CN102161155A (en) * | 2011-01-21 | 2011-08-24 | 富泰华工业（深圳）有限公司 | Press jig |
| TWI498729B (en) * | 2013-10-31 | 2015-09-01 | Wistron Corp | Automation testing system for testing a motherboard |
| CN107102179A (en) * | 2017-06-02 | 2017-08-29 | 深圳市同创精密自动化设备有限公司 | A kind of test fixture of PCB soft boards |
| TWI766424B (en) * | 2020-11-05 | 2022-06-01 | 南茂科技股份有限公司 | Pneumatic clamp and conductive flexible board applied to pneumatic clamp |
-
2002
- 2002-10-21 CN CN 02248846 patent/CN2574079Y/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100405887C (en) * | 2005-04-26 | 2008-07-23 | 佛山市顺德区顺达电脑厂有限公司 | Main board assembling method and equipment therefor |
| CN102136445A (en) * | 2010-12-23 | 2011-07-27 | 大连艾科科技开发有限公司 | Special fixture for assembling small semiconductor refrigerator |
| CN102092018A (en) * | 2011-01-14 | 2011-06-15 | 富泰华工业（深圳）有限公司 | Positioning jig |
| CN102092018B (en) * | 2011-01-14 | 2012-09-26 | 富泰华工业（深圳）有限公司 | Positioning jig |
| US8393605B2 (en) | 2011-01-14 | 2013-03-12 | Fu Tai Hua Industry (Shenzhen) Co., Ltd. | Positioning fixture |
| CN102161155A (en) * | 2011-01-21 | 2011-08-24 | 富泰华工业（深圳）有限公司 | Press jig |
| CN102161155B (en) * | 2011-01-21 | 2013-01-09 | 富泰华工业（深圳）有限公司 | Press jig |
| TWI498729B (en) * | 2013-10-31 | 2015-09-01 | Wistron Corp | Automation testing system for testing a motherboard |
| US9234935B2 (en) | 2013-10-31 | 2016-01-12 | Wistron Corporation | Automation testing system for testing a motherboard |
| CN107102179A (en) * | 2017-06-02 | 2017-08-29 | 深圳市同创精密自动化设备有限公司 | A kind of test fixture of PCB soft boards |
| CN107102179B (en) * | 2017-06-02 | 2023-09-29 | 深圳市同创精密自动化设备有限公司 | Test fixture of PCB soft board |
| TWI766424B (en) * | 2020-11-05 | 2022-06-01 | 南茂科技股份有限公司 | Pneumatic clamp and conductive flexible board applied to pneumatic clamp |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |