CN204255982U - A kind of pcb board measurement jig auto spring pilot pin - Google Patents
A kind of pcb board measurement jig auto spring pilot pin Download PDFInfo
- Publication number
- CN204255982U CN204255982U CN201420803990.8U CN201420803990U CN204255982U CN 204255982 U CN204255982 U CN 204255982U CN 201420803990 U CN201420803990 U CN 201420803990U CN 204255982 U CN204255982 U CN 204255982U
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- CN
- China
- Prior art keywords
- stomidium
- sleeve pipe
- pilot pin
- pcb board
- syringe needle
- 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.)
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Abstract
The utility model relates to pilot pin technical field, particularly relate to a kind of pcb board measurement jig auto spring pilot pin, comprise sleeve pipe, running casing, syringe needle and spring, upper sleeve pipe is provided with the first stomidium and the second stomidium, the aperture of the first stomidium is less than the aperture of the second stomidium, and the inner side of the first stomidium is provided with stop bit step; Cased top is provided with boss; The diameter of syringe needle is greater than the aperture of the first stomidium, is less than the aperture of the second stomidium, and syringe needle is arranged in sleeve pipe; Spring is located in sleeve pipe, cased boss insert upper sleeve pipe the second stomidium and with this second stomidium interference fit, the top of spring abuts with syringe needle, and the bottom of spring abuts with boss.The utility model, when carrying out pcb board assignment test, not only can realize pin location, simultaneously, in position fixing process, pilot pin and pin realize flexibly connecting, and avoid pilot pin and pin to occur hard collision, cause damage, and then ensure carrying out smoothly of pcb board test job.
Description
Technical field
The utility model relates to pilot pin technical field, particularly relates to a kind of pcb board measurement jig auto spring pilot pin.
Background technology
The major function of pcb board (wiring board) measurement jig is detect and filter out the open circuit, the pcb board defective on the electrical property such as short circuit or electric leakage that cause in process of production, and pcb board measurement jig pilot pin is for being positioned by detected PCB for the board of measurement jig.The structure of the pcb board measurement jig pilot pin of prior art as shown in Figure 1, it is generally a single pilot pin, this kind of single pilot pin master is only applicable to the location of the specific plane domain to pcb board, and in the process that pcb board is tested, also relate to being connected with pcb board or positioning as the pin that auxiliary member uses, and pin itself will be needle-like, the pilot pin as the existing technology adopted positions this pin, is difficult to realize, even cannot realizes.
Therefore, industry is necessary to improve the pcb board measurement jig pilot pin of prior art, to realize the pilot pin that can position pin.
Utility model content
The purpose of this utility model is to provide a kind of pcb board measurement jig auto spring pilot pin for the deficiencies in the prior art, and this kind of pilot pin can realize positioning pin, by guaranteeing the location of pin to carry out smoothly the assignment test of pcb board.
For achieving the above object, a kind of pcb board measurement jig auto spring pilot pin of the present utility model, comprise sleeve pipe, running casing, syringe needle and spring, upper sleeve pipe is provided with the first stomidium and the second stomidium, the aperture of the first stomidium is less than the aperture of the second stomidium, and the inner side of the first stomidium is provided with stop bit step; Cased top is provided with boss; The diameter of syringe needle is greater than the aperture of the first stomidium, is less than the aperture of the second stomidium, and syringe needle is arranged in sleeve pipe; Spring is arranged in sleeve pipe, cased boss insert upper sleeve pipe the second stomidium and with this second stomidium interference fit, the top of spring abuts with syringe needle, and the bottom of spring abuts with boss.
Preferably, described cased bottom offers internal thread hole.
Preferably, be provided with reference column bottom described syringe needle, reference column is positioned at spring.
Preferably, the length L1 of described upper sleeve pipe is 30 ~ 33mm.
Preferably, the length L1 of described upper sleeve pipe is 31.5mm.
Preferably, described cased length L2 is 39 ~ 49mm.
Preferably, described cased length L2 is 39mm.
Preferably, described upper sleeve pipe, running casing, syringe needle are made by alumina based material.
The beneficial effects of the utility model: a kind of pcb board measurement jig auto spring pilot pin of the present utility model, when its be installed on the automatic measurement jig of pcb board uses time, pin and needle contact, because syringe needle is positioned at upper sleeve pipe, the second stomidium that the pin positioned is arranged from upper sleeve pipe stretches into and needle contact, upper sleeve pipe for positioning the accommodation space provided to pin, thus completes the location to pin; In addition, when the pressure because surprisingly putting on pin or pilot pin is excessive, pin can extrude syringe needle, and extrusion spring is towards the second stomidium direction compression of upper sleeve pipe again for syringe needle, and pilot pin and pin realize flexibly connecting; Wherein, when pilot pin is left unused, syringe needle is supported with stop bit step under the effect of spring power, and the diameter due to syringe needle is greater than the aperture of the first stomidium, avoids syringe needle and deviates from upper sleeve pipe.The utility model is when carrying out pcb board assignment test, not only can realize locating pin, simultaneously, in position fixing process, pilot pin and pin realize flexibly connecting, thus pilot pin and pin can be avoided to occur hard collision, avoid the damage causing pin or pilot pin, and then ensure carrying out smoothly of pcb board test job.
Accompanying drawing explanation
Fig. 1 is the structural representation of the pilot pin of prior art.
Fig. 2 is the structural representation of pilot pin of the present utility model.
Fig. 3 is the STRUCTURE DECOMPOSITION schematic diagram of pilot pin of the present utility model.
Fig. 4 is the structural representation of the upper sleeve pipe of pilot pin of the present utility model.
Fig. 5 is the cased structural representation of pilot pin of the present utility model.
Reference numeral comprises:
10-upper sleeve pipe 11-the first stomidium 12-the second stomidium
13-stop bit step, 20-running casing, 21-boss
22-internal thread hole, 30-syringe needle, 31-reference column
40-spring.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail.
embodiment one.
As shown in Figures 2 to 5, a kind of pcb board measurement jig auto spring pilot pin of the present utility model, comprise sleeve pipe 10, running casing 20, syringe needle 30 and spring 40, upper sleeve pipe 10 is provided with the first stomidium 11 and the second stomidium 12, the aperture of the first stomidium 11 is less than the aperture of the second stomidium 12, and the inner side of the first stomidium 11 is provided with stop bit step 13; The top of running casing 20 is provided with boss 21; The diameter of syringe needle 30 is greater than the aperture of the first stomidium 11, is less than the aperture of the second stomidium 12, and syringe needle 30 is arranged in sleeve pipe 10; Spring 40 is arranged in sleeve pipe 10, the boss 21 of running casing 20 insert upper sleeve pipe 10 the second stomidium 12 and with this second stomidium 12 interference fit, the top of spring 40 abuts with syringe needle 30, and the bottom of spring 40 abuts with boss 21.
When the utility model be installed on the automatic measurement jig of pcb board uses time, pin contacts with syringe needle 30, because syringe needle 30 is positioned at upper sleeve pipe 10, the pin positioned stretches into from the first stomidium 11 that upper sleeve pipe 10 is arranged and contacts with syringe needle 30, upper sleeve pipe 10 for positioning the accommodation space provided to pin, thus completes the location to pin; In addition, when the pressure because surprisingly putting on pin or pilot pin is excessive, syringe needle 30 is supported with stop bit step 13 under the effect of spring 40 elastic force, and pin can extrude syringe needle 30, and pilot pin and pin realize flexibly connecting; Wherein, when pilot pin is left unused, the diameter due to syringe needle 30 is greater than the aperture of the first stomidium 11, and syringe needle 30 is supported with stop bit step 13 under the effect of spring 40 elastic force, avoids syringe needle 30 and deviates from upper sleeve pipe 10.
In the present embodiment, the bottom of described running casing 20 offers internal thread hole 22; Arranging of this internal thread hole 22 can make the automatic measurement jig of running casing 20 and pcb board be threaded, thus realize automatic to whole pilot pin and pcb board measurement jig to be threaded, installing/dismounting is all very convenient, thus can effectively increase work efficiency, and saves cost of labor.
In the present embodiment, the length L1 of described upper sleeve pipe 10 is 30 ~ 33mm, and the length L1 of upper sleeve pipe 10 can be 30 mm, 31 mm, 31.5 mm, 32 mm or 33 mm; Preferably, the length L1 of described upper sleeve pipe 10 is 31.5mm; The pilot pin of the upper sleeve pipe 10 of this kind of size is applicable to the pcb board test positioned pin more needs, tests applied widely, realizes variation and selects.
In the present embodiment, the length L2 of described running casing 20 is 39 ~ 49mm, and the length L2 of running casing 20 can be 39 mm, 40mm, 41mm, 42mm, 43mm, 44mm, 45mm, 46mm, 47mm, 48mm or 49mm; Preferably, the length L2 of described running casing 20 is 39mm; The running casing 20 of this size coordinates the upper sleeve pipe 10 of above-mentioned size, the pilot pin be assembled into be applicable to the pcb board test positioned pin more needs, tests applied widely, realizes variation and select.
In the present embodiment, described upper sleeve pipe 10, running casing 20, syringe needle 30 are made by alumina based material, and alumina based material makes the longer service life of sleeve pipe 10, running casing 20 and syringe needle 30, can extend the serviceable life of pilot pin of the present utility model.
The utility model is when carrying out pcb board assignment test, not only can realize locating pin, simultaneously, in position fixing process, pilot pin and pin realize flexibly connecting, thus pilot pin and pin can be avoided to occur hard collision, avoid the damage causing pin or pilot pin, and then ensure carrying out smoothly of pcb board test job.
embodiment two.
The difference of the present embodiment and embodiment one is, be provided with reference column 31 bottom described syringe needle 30, reference column 31 is positioned at spring 40; Concrete, arranging of reference column 31 can play positioning action to syringe needle 30, ensures when pin extruding syringe needle 30 Compress Spring 40, guarantee can extrusion spring 40 stably, and excessive inclination does not appear in syringe needle 30, ensures that assignment test normally carries out, scientific structure design is reasonable, practical.
The remainder of the present embodiment is identical with embodiment one, in the present embodiment unaccounted feature, all adopts the explanation of embodiment one, no longer repeats here.
Known the utility model is have above-described good characteristic in sum, is made it in use, promotes in conventional art the usefulness that do not have and has practicality, becoming the product that has practical value.
Above content is only preferred embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (8)
1. a pcb board measurement jig auto spring pilot pin, it is characterized in that: comprise sleeve pipe (10), running casing (20), syringe needle (30) and spring (40), upper sleeve pipe (10) is provided with the first stomidium (11) and the second stomidium (12), the aperture of the first stomidium (11) is less than the aperture of the second stomidium (12), and the inner side of the first stomidium (11) is provided with stop bit step (13); The top of running casing (20) is provided with boss (21); The diameter of syringe needle (30) is greater than the aperture of the first stomidium (11), is less than the aperture of the second stomidium (12), and syringe needle (30) is arranged in sleeve pipe (10); Spring (40) is arranged in sleeve pipe (10), in boss (21) insertion of running casing (20) sleeve pipe (10) the second stomidium (12) and with this second stomidium (12) interference fit, the top of spring (40) abuts with syringe needle (30), and the bottom of spring (40) abuts with boss (21).
2. a kind of pcb board measurement jig auto spring pilot pin according to claim 1, is characterized in that: the bottom of described running casing (20) offers internal thread hole (22).
3. a kind of pcb board measurement jig auto spring pilot pin according to claim 1, is characterized in that: described syringe needle (30) bottom is provided with reference column (31), and reference column (31) is positioned at spring (40).
4. a kind of pcb board measurement jig auto spring pilot pin according to claim 1, is characterized in that: the length L1 of described upper sleeve pipe (10) is 30 ~ 33mm.
5. a kind of pcb board measurement jig auto spring pilot pin according to claim 4, is characterized in that: the length L1 of described upper sleeve pipe (10) is 31.5mm.
6. a kind of pcb board measurement jig auto spring pilot pin according to claim 1, is characterized in that: the length L2 of described running casing (20) is 39 ~ 49mm.
7. a kind of pcb board measurement jig auto spring pilot pin according to claim 6, is characterized in that: the length L2 of described running casing (20) is 39mm.
8. a kind of pcb board measurement jig auto spring pilot pin according to claim 1 ~ 7 any one, is characterized in that: described upper sleeve pipe (10), running casing (20), syringe needle (30) are made by alumina based material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420803990.8U CN204255982U (en) | 2014-12-18 | 2014-12-18 | A kind of pcb board measurement jig auto spring pilot pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420803990.8U CN204255982U (en) | 2014-12-18 | 2014-12-18 | A kind of pcb board measurement jig auto spring pilot pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204255982U true CN204255982U (en) | 2015-04-08 |
Family
ID=52960276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420803990.8U Expired - Fee Related CN204255982U (en) | 2014-12-18 | 2014-12-18 | A kind of pcb board measurement jig auto spring pilot pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204255982U (en) |
-
2014
- 2014-12-18 CN CN201420803990.8U patent/CN204255982U/en not_active Expired - Fee Related
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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: 20150408 Termination date: 20211218 |