CN204594481U - A kind of test fixture - Google Patents
A kind of test fixture Download PDFInfo
- Publication number
- CN204594481U CN204594481U CN201520256057.8U CN201520256057U CN204594481U CN 204594481 U CN204594481 U CN 204594481U CN 201520256057 U CN201520256057 U CN 201520256057U CN 204594481 U CN204594481 U CN 204594481U
- Authority
- CN
- China
- Prior art keywords
- contact
- test board
- test
- slide rail
- stud
- 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
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Abstract
The utility model discloses a kind of test fixture, comprise base, the test board being vertically fixed on the slide rail on base and being arranged on slide rail, slide rail top is provided with the pressure lever mechanism for driving test board to move up and down along slide rail, test board is provided with multiple spring contact running through test board, each spring contact is connected with external cabling, drives spring contact to contact with the Binding post/stud of the measured piece be placed on below test board, realize test purpose by test board; Solving the difficulty of similar DDX-5 type lighting unit equipment measured piece wiring inconvenience when testing, improving testing efficiency simultaneously, reduce labour intensity, avoid repeatedly connecting the problem that measured piece binding post causes binding post to damage.
Description
Technical field
The utility model relates to railway lighting unit equipment detection field, relates to a kind of test fixture.
Background technology
Lighting unit equipment has multiple binding post test point to need test, and before this, test mode of connection in early stage is single line wiring one by one, workload is large, time-consuming, and easily damages the binding post of measured piece, cannot meet the testing requirement of a large amount of measured piece, and work efficiency is low.
Utility model content
The utility model object is to overcome the deficiencies in the prior art, provides the test fixture that a kind of structure is simple, work efficiency is high, avoids the damage to equipment binding post in test process.
For achieving the above object, the utility model by the following technical solutions:
A kind of test fixture, comprise base, the test board being vertically fixed on the slide rail on base and being arranged on slide rail, slide rail top is provided with the pressure lever mechanism for driving test board to move up and down along slide rail, test board is provided with multiple spring contact running through test board, each spring contact is connected with external cabling, drives spring contact to contact with the Binding post/stud of the measured piece be placed on below test board, realize test purpose by test board.
Described test board is provided with the fault-tolerant locating piece with measured piece matching form.
Described pressure lever mechanism comprises line handspike, connecting screw rod, operating grip, push rod and sliding sleeve, operating grip one end and the pressure lever mechanism installed surface of bending are hinged, the other end free, described sliding sleeve is fixed on pressure lever mechanism installed surface, line handspike be arranged in parallel through sliding sleeve and installed surface, line handspike upper end by push rod and operating grip sweep hinged, line handspike lower end is connected with test board by connecting screw rod.
Described spring contact comprises adjustment stud, spring and contacts contact, external cabling and adjustment Stud connection, and regulate stud and test board to be threaded connection, contact contact is installed in test board, and spring is placed on and contacts contact and regulate between stud.
Described adjustment stud is that copper material is made with contacting contact, regulates the contact jaw between stud and contact contact to be plane.
Described spring is that beryllium-bronze coiling forms.
Above described spring contact, wiring place is provided with safty shield.
Test fixture of the present utility model comprises base, the test board being vertically fixed on the slide rail on base and being arranged on slide rail, drives spring contact to contact with the Binding post/stud of the measured piece be placed on below test board, realize test purpose by test board.Solving the difficulty of similar DDX-5 type lighting unit equipment measured piece wiring inconvenience when testing, improving testing efficiency simultaneously, reduce labour intensity, avoid repeatedly connecting the problem that measured piece binding post causes binding post to damage.
Further, test board is provided with fault-tolerant locating piece, can ensures at measured piece not being in place, placement direction puts in the other direction; can relay testing frock can not depress; contact does not contact the binding post of measured piece, avoids the contact because of mistake, damages measured piece and test macro.
Further, spring contact comprises adjustment stud, spring and contacts contact, in order to make up the situation different in size of binding post, as long as add very little downward pressure on line handspike, under the elastic force of spring supplements, each contact can be made effectively, reliably to contact, and the face of contact is the section of binding post, the screw thread of pairs of posts does not form damage.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present utility model;
Fig. 2 is pressure lever mechanism structural representation of the present utility model;
Fig. 3 is measured piece schematic top plan view of the present utility model;
Fig. 4 is spring contact structural representation of the present utility model;
In figure: 1-base; 2-slide rail; 3-pressure lever mechanism; 301-line handspike; 302-connecting screw rod; 303-operating grip; 304-push rod; 305-sliding sleeve; 4-test board; 401-regulates stud; 402-spring; 403-contacts contact; 5-wiring; 6-measured piece; 601-Binding post/stud; The fault-tolerant locating piece of 7-.
Embodiment
Below by way of specific embodiments and the drawings, the utility model scheme is illustrated:
As shown in Figure 1, test fixture comprises base 1, the test board 4 being vertically fixed on the slide rail 2 on base 1 and being arranged on slide rail 2, slide rail 2 top is provided with the pressure lever mechanism 3 for driving test board 4 to move up and down along slide rail 2, test board 4 is provided with multiple spring contact running through test board 4, each spring contact is connected with external cabling 5, and the measured piece 6 as Fig. 4 is placed on below test board, drive spring contact to contact with the Binding post/stud 601 of measured piece 6 by test board 4, realize test purpose.
As shown in Figure 2, pressure lever mechanism 3 comprises line handspike 301, connecting screw rod 302, operating grip 303, push rod 304 and sliding sleeve 305, operating grip 303 one end and the pressure lever mechanism installed surface of bending are hinged, the other end free, described sliding sleeve 305 is fixed on pressure lever mechanism installed surface, line handspike 301 be arranged in parallel through sliding sleeve 305 and installed surface, line handspike 301 upper end is hinged by push rod 304 and operating grip 303 sweep, and line handspike 301 lower end is connected with test board 4 by connecting screw rod 302.
Utilize the pressure lever mechanism that the pressure lever mechanism principle of dead point self-locking is improved, common dead point self-locking mechanism is improved, make original rotational structure form, become existing rectilinear motion mode, the direction of motion of push rod is rectilinear motion, and it is parallel with installed surface, guidance quality and accuracy splendid, three point on a straight line in the movement direction, compact conformation, safeguard simple, can reach non-maintaining.
As shown in Figure 4, spring contact comprises adjustment stud 401, spring 402 and contacts contact 403, external cabling 5 is connected with adjustment stud 401, stud 401 and test board 4 is regulated to be threaded connection, contact contact 403 is installed in test board 4, and spring 402 is placed on contact contact 403 and regulates between stud 401.Measured piece that can be similar according to different model, changes corresponding spring contact, and according to the size of the operation strength of operator, can regulate snap-in force, and facilitate adjustable.
Described adjustment stud 401 with contact contact 403 and overall to make for copper material for copper material is made, the contact jaw between stud 401 and contact contact 403 is regulated to be plane, its spring is that beryllium-bronze coiling forms, and the other end is the brass screw of regulating spring strength, and external cabling is just directly received on this screw.
Further, test board 4 is provided with the fault-tolerant locating piece 7 with measured piece 6 matching form.Not only the use of fault-tolerant locating piece makes measured piece be placed on after below test fixture, and even without to push completely or measured piece puts back, its line handspike all can not press down, and protection measured piece but also protecting tool set-up contact are not damaged.
Above described spring contact, wiring place is provided with safty shield, can ensure the personal safety of operating personnel
This practical test fixture, solving the difficulty of similar DDX-5 type lighting unit equipment measured piece wiring inconvenience when testing, improving testing efficiency simultaneously, reduces labour intensity.
Claims (7)
1. a test fixture, it is characterized in that: comprise base (1), the test board (4) being vertically fixed on the slide rail (2) on base (1) and being arranged on slide rail (2), slide rail (2) top is provided with the pressure lever mechanism (3) for driving test board (4) to move up and down along slide rail (2), test board (4) is provided with multiple spring contact running through test board (4), each spring contact is connected with external cabling (5), spring contact is driven to contact with the Binding post/stud (601) of the measured piece (6) being placed on test board (4) below by test board (4), realize test purpose.
2. test fixture according to claim 1, is characterized in that: described test board (4) is provided with the fault-tolerant locating piece (7) with measured piece (6) matching form.
3. test fixture according to claim 1, it is characterized in that: described pressure lever mechanism (3) comprises line handspike (301), connecting screw rod (302), operating grip (303), push rod (304) and sliding sleeve (305), operating grip (303) one end of bending and pressure lever mechanism installed surface hinged, the other end freely, described sliding sleeve (305) is fixed on pressure lever mechanism installed surface, line handspike (301) be arranged in parallel through sliding sleeve (305) and installed surface, line handspike (301) upper end is hinged by push rod (304) and operating grip (303) sweep, line handspike (301) lower end is connected with test board (4) by connecting screw rod (302).
4. test fixture according to claim 1, it is characterized in that: described spring contact comprises adjustment stud (401), spring (402) and contacts contact (403), external cabling (5) is connected with adjustment stud (401), stud (401) and test board (4) is regulated to be threaded connection, contact contact (403) is installed in test board (4), and spring (402) is placed on contact contact (403) and regulates between stud (401).
5. test fixture according to claim 4, it is characterized in that: described adjustment stud (401) with contact contact (403) for copper material and make, regulate stud (401) and the contact jaw contacted between contact (403) to be plane.
6. test fixture according to claim 4, is characterized in that: described spring (402) forms for beryllium-bronze coiling.
7. test fixture according to claim 1, is characterized in that: above described spring contact, wiring place is provided with safty shield.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520256057.8U CN204594481U (en) | 2015-04-24 | 2015-04-24 | A kind of test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520256057.8U CN204594481U (en) | 2015-04-24 | 2015-04-24 | A kind of test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204594481U true CN204594481U (en) | 2015-08-26 |
Family
ID=53930626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520256057.8U Expired - Fee Related CN204594481U (en) | 2015-04-24 | 2015-04-24 | A kind of test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204594481U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831344A (en) * | 2017-12-19 | 2018-03-23 | 成都芯通软件有限公司 | One kind mixing board test device, test equipment and method of testing |
-
2015
- 2015-04-24 CN CN201520256057.8U patent/CN204594481U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831344A (en) * | 2017-12-19 | 2018-03-23 | 成都芯通软件有限公司 | One kind mixing board test device, test equipment and method of testing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150826 Termination date: 20210424 |