CN209690360U - A kind of test fixture of low cost - Google Patents
A kind of test fixture of low cost Download PDFInfo
- Publication number
- CN209690360U CN209690360U CN201920122754.2U CN201920122754U CN209690360U CN 209690360 U CN209690360 U CN 209690360U CN 201920122754 U CN201920122754 U CN 201920122754U CN 209690360 U CN209690360 U CN 209690360U
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- plate
- bottom plate
- tested
- circuit board
- test fixture
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Abstract
A kind of test fixture of low cost, including bottom plate, the liner plate slot for placing liner plate is provided on the bottom plate, support plate is removably connected on the liner plate slot, the support plate upper surface is provided with the placing groove for placing circuit board to be tested, and the placement trough floor is provided with several probe apertures, several double ended probes are provided in the probe aperture, one end of the double ended probes and liner plate are inconsistent, and the other end and circuit board to be tested are inconsistent；The clamp hand for compressing circuit board to be tested is additionally provided on the bottom plate.The utility model structure is simple, and number of parts is few, and manufacturing cost is low, is conducive to carry out large-scale promotion use；The utility model overall weight is light, easy to carry.
Description
Technical field
The utility model relates to a kind of test fixture, in particular to a kind of test fixture of low cost.
Background technique
FCT test, i.e. functional test is an important means of detection circuit performance.When carrying out FCT test, need
First circuit board to be tested is fixed on test fixture, is then tested.Structure is complicated for test fixture traditional at present, system
Make at high cost, and volume is larger, is not easy to carry.
Such as China Patent Publication No. CN206387817U, the entitled FCT test fixture of utility model, it includes fixture
Main body and the tray mold group, needle plate mould group, pressing plate mould group, PCB test mould being successively set on the jig main body from front to back
Group and machine driving mould group, the tray mold group and the jig main body are in mating connection, and are adapted with product, the needle plate
Mould group is located at the lower section of the pressing plate mould group, and is electrically connected with PCB test mould group, the machine driving mould group and outside
Controller is electrically connected.The utility model is disadvantageous in that: entire clamp structure is complicated, and manufacturing cost is high, and entire folder
It is larger to have weight, is not easy to carry.
Summary of the invention
The purpose of this utility model is that structure is complicated for the existing FCT test fixture of solution, and the high problem of manufacturing cost provides
A kind of test fixture of low cost, has the advantages that structure is simple, manufacturing cost is low.
The purpose of this utility model is achieved by the following technical solution: a kind of test fixture of low cost, including bottom
Plate is provided with the liner plate slot for placing liner plate on the bottom plate, is removably connected with support plate, the support plate on the liner plate slot
Upper surface is provided with the placing groove for placing circuit board to be tested, and the placement trough floor is provided with several probe apertures, institute
State and be provided with several double ended probes in probe aperture, one end of the double ended probes and liner plate are inconsistent, the other end with it is to be tested
Circuit board is inconsistent；The clamp hand for compressing circuit board to be tested is additionally provided on the bottom plate.
The utility model is first put into the liner plate to match with circuit board to be tested, the lining in test in liner plate slot
Plate is electrically connected with test equipment, and then circuit board to be tested is put into the placing groove on support plate, then will be to be measured by clamp hand
Examination circuit board is fixed, and the simulation of product, number, radiofrequency signal are introduced liner plate by double ended probes respectively, are then reached test again and are set
It is standby, and then the corresponding function of circuit board is tested.After the completion of test, clamp hand is unclamped, removes circuit board.The load
Plate is connected by removably with bottom plate, can meet the test need to variety classes circuit board by replacement support plate and liner plate
It asks, applicability with higher.The utility model structure is simple, and number of parts is few, and manufacturing cost is low, is conducive to carry out extensive
It promotes the use of.The utility model overall weight is light, easy to carry.
Preferably, the bottom plate surrounding is provided with mounting hole.The mounting hole plays connection function, for installing pedestal
On apparatus body.
Preferably, being provided with cushion block between the clamp hand and bottom plate.The effect of the cushion block is to play to adjust clamp hand height
The effect of degree.By changing the height of cushion block, i.e., the height of adjustable clamp hand just can enable clamp hand preferably to be measured in this way
Examination circuit board is clamped.
Preferably, stating clamp hand includes the pedestal being fixed on cushion block, being rotatably connected on the pedestal has spanner and rotation
Pivoted arm is connected between the spanner and rotating arm by link mechanism, and the rotating arm front end is arranged for compressing electricity to be tested
The briquetting of road plate.The working principle of the clamp hand is as follows: operator's rotating spanner, and spanner drives rotating arm to revolve by link mechanism
Turn, rotating arm drives the compact heap of front end to treat measuring circuit plate and compressed.
Preferably, the surrounding of the support plate is provided with first positioning hole, it is provided on the bottom plate and first positioning hole
Corresponding second location hole is connected with positioning column between the first positioning hole and second location hole.The support plate and bottom plate
Between by positioning column connect, this connection type not only ensure that the installation accuracy of support plate, while be also convenient for the replacement of support plate；
By replacing support plate, different types of circuit board can be tested.
The beneficial effects of the utility model are: the utility model structure is simple, number of parts is few, and manufacturing cost is low, favorably
In progress large-scale promotion use；The utility model overall weight is light, easy to carry.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the portion A enlarged drawing in Fig. 1.
Fig. 3 is the structural schematic diagram of bottom plate.
Fig. 4 is the structural schematic diagram of support plate.
Fig. 5 is the structural schematic diagram of positioning column.
Fig. 6 is the structural schematic diagram of clamp hand.
Fig. 7 is the structural schematic diagram of double ended probes.
In figure: 1, bottom plate, 2, support plate, 3, positioning column, 4, cushion block, 5, clamp hand, 6, placing groove, 7, double ended probes, 8, installation
Hole, 9, liner plate slot, 10, slot, 11, second location hole, 12, first positioning hole, 13, probe aperture, 14, pedestal, 15, spanner, 16,
Rotating arm, 17, briquetting.
Specific embodiment
The utility model is further described below by specific embodiment and in conjunction with attached drawing.
Embodiment: as shown in Figures 1 to 7, a kind of test fixture of low cost, including bottom plate 1.The bottom plate 1 is rectangle
Plate structure.The surrounding of the bottom plate 1 is provided with mounting hole.The liner plate slot 9 for placing liner plate is provided on the bottom plate 1.
The transversal cross-section of the liner plate slot 9 is rectangle.Grooved hole 10 is arranged in 9 side of liner plate slot.The transversal cross-section of the slot 10
For rectangle.The top of the liner plate slot 9 is connected with replaceable liner plate.The liner plate is to be customized according to circuit board to be tested
Printed circuit board.The support plate 2 is rectangular plate-like structure.The surrounding of the support plate 2 is provided with first positioning hole 12.The bottom
Second location hole 11 is provided on plate 1.The second location hole 11 is corresponded with first positioning hole 12.The first positioning hole
Positioning column 3 is connected between 12 and corresponding second location hole 11.The positioning column 3 is plugged on 12 He of first positioning hole simultaneously
In second location hole 11.Placing groove 6 is provided with above the support plate 2.The placing groove 6 is for placing circuit board to be tested.Institute
Placing groove 6 is stated to match with circuit board to be tested.The bottom of the placing groove 6 is provided with several probe apertures 13.The probe
Hole 12 penetrates through support plate 2.Double ended probes 7 is provided in the probe aperture 13.The both ends of the double ended probes 7 are respectively arranged with can bullet
Property flexible probe.One end of the double ended probes and liner plate are inconsistent, the other end of the double ended probes and electricity to be tested
Road plate is inconsistent.
Clamp hand 5 is additionally provided on the bottom plate 1.Cushion block 4 is provided between the clamp hand and bottom plate 1.The clamp hand 5 includes
Pedestal 14, being rotatably connected on the pedestal 14 has spanner 15 and rotating arm 16.Pass through between the spanner 15 and rotating arm 16
Link mechanism is connected.The rotating arm 16 rotates under the control of spanner 15.16 front end of rotating arm is provided with briquetting 17.Institute
It states briquetting 17 and is pressed on circuit board to be tested.The briquetting 17 is made up of rubber material.The cushion block 4 is cuboid knot
Structure.One end of the cushion block 4 is connect with bed bolt, and the other end of the cushion block 4 is connect with clamp hand bolt of lower base.
The utility model is first put into the liner plate to match with circuit board to be tested, the lining in test in liner plate slot
Plate is electrically connected with test equipment, and then circuit board to be tested is put into the placing groove on support plate, then will be to be measured by clamp hand
Examination circuit board is fixed, and the simulation of product, number, radiofrequency signal are introduced liner plate by double ended probes respectively, are then reached test again and are set
It is standby, and then the corresponding function of circuit board is tested.After the completion of test, clamp hand is unclamped, removes circuit board.This is practical
New structure is simple, and number of parts is few, and manufacturing cost is low, is conducive to carry out large-scale promotion use.
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 (5)
1. a kind of test fixture of low cost, including bottom plate (1), it is characterised in that: be provided on the bottom plate (1) for placing
The liner plate slot (9) of liner plate is removably connected with support plate (2) on the liner plate slot (9), and support plate (2) the upper surface setting is useful
In the placing groove (6) for placing circuit board to be tested, placing groove (6) bottom plate is provided with several probe apertures (13), the spy
Several double ended probes (7) are provided in pin hole (13), one end of the double ended probes (7) and liner plate are inconsistent, the other end with
Circuit board to be tested is inconsistent；The clamp hand (5) for compressing circuit board to be tested is additionally provided on the bottom plate (1).
2. a kind of test fixture of low cost according to claim 1, which is characterized in that bottom plate (1) the surrounding setting
There are mounting hole (8).
3. a kind of test fixture of low cost according to claim 1, which is characterized in that the clamp hand (5) and bottom plate (1)
Between be provided with cushion block (4).
4. a kind of test fixture of low cost according to claim 3, which is characterized in that stating clamp hand (5) includes being fixed on
Pedestal (14) on cushion block (4), being rotatably connected on the pedestal (14) has spanner (15) and rotating arm (16), the spanner
(15) it is connected between rotating arm (16) by link mechanism, rotating arm (16) front end is arranged for compressing circuit to be tested
The briquetting (17) of plate.
5. a kind of test fixture of low cost according to claim 1 or 2 or 3 or 4, which is characterized in that the support plate (2)
Surrounding be provided with first positioning hole (12), it is fixed that corresponding with first positioning hole (12) second is provided on the bottom plate (1)
Position hole (11), is connected with positioning column (3) between the first positioning hole (12) and second location hole (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920122754.2U CN209690360U (en) | 2019-01-24 | 2019-01-24 | A kind of test fixture of low cost |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920122754.2U CN209690360U (en) | 2019-01-24 | 2019-01-24 | A kind of test fixture of low cost |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209690360U true CN209690360U (en) | 2019-11-26 |
Family
ID=68599949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920122754.2U Active CN209690360U (en) | 2019-01-24 | 2019-01-24 | A kind of test fixture of low cost |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209690360U (en) |
-
2019
- 2019-01-24 CN CN201920122754.2U patent/CN209690360U/en active Active
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