CN218036993U - Double-end test probe - Google Patents
Double-end test probe Download PDFInfo
- Publication number
- CN218036993U CN218036993U CN202221748314.6U CN202221748314U CN218036993U CN 218036993 U CN218036993 U CN 218036993U CN 202221748314 U CN202221748314 U CN 202221748314U CN 218036993 U CN218036993 U CN 218036993U
- Authority
- CN
- China
- Prior art keywords
- needle
- double
- test probe
- test
- tubing
- 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.)
- Active
Links
Images
Abstract
The utility model discloses a double-end test probe, including the needle tubing, the one end of needle tubing is provided with first syringe needle telescopically, the one end of first syringe needle is provided with the needle bar, the needle bar is located in the needle tubing, the outside of needle bar is provided with the elastic component, and the other end of needle tubing is provided with the second syringe needle telescopically, the one end of needle bar stretches into in the second syringe needle. This double-end test probe has solved current double-end double acting test probe needle and has taken place the swing easily in its test procedure, and then causes the high and unstable problem of test data false testing rate and test transmission.
Description
Technical Field
The utility model belongs to the technical field of semiconductor detection equipment, concretely relates to double-end test probe.
Background
During the process of producing the printed circuit board, an electrical test is required to be performed on the printed circuit board to determine whether electrical parameters (such as resistance, capacitance or inductance) of components of the printed circuit board meet standard requirements.
A common test method of a printed circuit board is to set test points on the printed circuit board, print solder paste on the surfaces of the test points, and obtain related electrical parameters by using an automated test device or an online test device and by directly contacting solder paste portions of the test points with probes.
The probe head type in the present online test equipment is different according to different test points, and there are single head single action, double head double action, etc. For a double-ended double-acting test probe, the probe head is often swung during the test process, which results in high test data error rate and unstable test transmission.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a double-end test probe solves current double-end double acting test probe and needle swing easily in its test procedure, and then causes the high and unstable problem of test data false testing rate and test transmission.
In order to solve the technical problem, the utility model discloses a double-end test probe, including the needle tubing, the one end of needle tubing is provided with first syringe needle telescopically, the one end of first syringe needle is provided with the needle bar, the needle bar is located in the needle tubing, the outside of needle bar is provided with the elastic component, and the other end telescopically of needle tubing is provided with the second syringe needle, the one end of needle bar stretches into in the second syringe needle.
The technical scheme of the utility model, still have following characteristics:
furthermore, one end of each of the first needle head and the second needle head is provided with a guide shaft, the surface of the middle of each guide shaft is circumferentially provided with an annular groove in a delay manner, the outer diameter of each guide shaft is equal to the inner diameter of the corresponding needle tube, and the outer diameters of the first needle head and the second needle head are larger than the inner diameter of the corresponding needle tube.
Furthermore, one end of the second needle head is provided with a jack, and one end of the needle rod extends into the jack.
Further, the elastic member is a compression spring.
Further, the head parts of the first needle and the second needle are both hemispherical. .
Compared with the prior art, the utility model has the advantages of it is following: (1) The utility model discloses a double-end test probe, its two syringe needles assemble in the syringe needle, are difficult for taking place to rock, and stability is good, can realize good contact with the measured object, can not cause the problem that test data misdetection rate is high and test transmission is unstable; (2) The utility model discloses a double-end test probe, its overall structure is simple easily to be made, and manufacturing cost is lower, has better market perspective.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
fig. 1 is a schematic structural diagram of a double-ended test probe according to the present invention;
fig. 2 is an exploded view of a dual head test probe of the present invention.
In the figure: 1. the needle tube, 2 elastic component, 3 needle bar, 4 second needle head, 5 first needle head, 6 guide shaft.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, if there are first and second descriptions for distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or implicitly indicating the precedence of the indicated technical features.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
As shown in fig. 1, the utility model discloses a double-end test probe, including needle tubing 1, the one end of needle tubing 1 is provided with first syringe needle 5 telescopically, and the one end of first syringe needle 5 is provided with needle bar 3, and needle bar 3 is located needle tubing 1, and the outside of needle bar 3 is provided with elastic component 2, and the other end of needle tubing 1 is provided with second syringe needle 4 telescopically, and the one end of needle bar 2 stretches into in second syringe needle 4.
Combine fig. 2 in the utility model discloses an in double-end test probe, the one end of first syringe needle 5 and second syringe needle 4 all is provided with guiding axle 6, and the middle part surface of guiding axle 6 prolongs its circumference and is provided with the ring channel, and the external diameter of guiding axle 6 equals the internal diameter of needle tubing 1, and the external diameter of first syringe needle 5 and second syringe needle 4 is greater than the internal diameter of needle tubing 1.
The surface of the needle tube 1 is subjected to inward concave processing in a riveting mode, the annular groove position of the guide shaft 6 can be ensured to pass through by the concave degree, and the non-annular groove part can not pass through, so that the telescopic assembly of the first needle head 5 and the second needle head 4 at the two ends of the needle tube is realized.
The external diameter of guiding axle 6 equals the internal diameter of needle tubing 1, and the external diameter of first syringe needle 5 and second syringe needle 4 is greater than the internal diameter of needle tubing 1, and when the design can be guaranteed that guiding axle 6 stretches out and draws back from needle tubing 1 like this, needle tubing 1 plays the effect of direction to guiding axle 6, guarantees that it can not take place the skew, and then guarantees that first syringe needle 4 and second syringe needle 5 can not take place to rock.
Referring to fig. 2, the utility model discloses an in the double-end test probe, the one end of second syringe needle 4 is provided with the jack, and during the one end of needle bar 3 stretched into the jack, it was comparatively convenient to assemble.
With reference to fig. 2, in a dual-ended test probe of the present invention, the elastic member 2 is preferably a compression spring.
The elastic element 2 is preferably a compression spring, which can make the elastic force of the compression spring act on the first needle 5 and the second needle 4 uniformly, further ensuring that the movement is straight and does not deviate.
With reference to fig. 2, in the dual-head test probe of the present invention, the head portions of the first needle 5 and the second needle 4 are hemispherical, so as to be in contact with the object to be tested.
To sum up, compared with the prior art, the utility model discloses a double-end test probe, its two syringe needle assemblies are in the syringe needle, and difficult emergence is rocked, and stability is good, can realize good contact with the measurand, can not cause the high and unstable problem of test transmission of test data false testing rate.
Additionally, the utility model discloses a double-end test probe, its overall structure is simple easily to make, and manufacturing cost is lower, has better marketing use prospect. .
While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive of other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed above, or as otherwise known in the relevant art. But variations and modifications which do not depart from the spirit and scope of the invention should be construed as being included in the scope of the appended claims.
Claims (5)
1. The utility model provides a double-end test probe, its characterized in that, includes needle tubing (1), the one end of needle tubing (1) is provided with first needle (5) telescopically, the one end of first needle (5) is provided with needle bar (3), needle bar (3) are located in needle tubing (1), the outside of needle bar (3) is provided with elastic component (2), and the other end of needle tubing (1) is provided with second syringe needle (4) telescopically, the one end of needle bar (3) stretches into in second syringe needle (4).
2. The double-ended test probe according to claim 1, wherein one end of each of the first needle (5) and the second needle (4) is provided with a guide shaft (6), a ring groove is provided on a middle surface of the guide shaft (6) along a circumferential direction thereof, an outer diameter of the guide shaft (6) is equal to an inner diameter of the needle tube (1), and outer diameters of the first needle (5) and the second needle (4) are larger than the inner diameter of the needle tube (1).
3. The double-ended test probe according to claim 1, wherein one end of the second needle (4) is provided with a receptacle into which one end of the shank (3) protrudes.
4. The double-ended test probe according to claim 1, wherein said resilient member (2) is a compression spring.
5. A double-ended test probe according to claim 1, wherein the heads of the first needle (5) and the second needle (4) are each hemispherical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221748314.6U CN218036993U (en) | 2022-07-06 | 2022-07-06 | Double-end test probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221748314.6U CN218036993U (en) | 2022-07-06 | 2022-07-06 | Double-end test probe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218036993U true CN218036993U (en) | 2022-12-13 |
Family
ID=84380391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221748314.6U Active CN218036993U (en) | 2022-07-06 | 2022-07-06 | Double-end test probe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218036993U (en) |
-
2022
- 2022-07-06 CN CN202221748314.6U patent/CN218036993U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN115267277A (en) | Double-head double-acting test probe capable of preventing needle shaft from rotating | |
| CN213023251U (en) | Spring probe for testing integrated circuit | |
| CN218036993U (en) | Double-end test probe | |
| CN113109607A (en) | Double-end double-acting heavy current test probe | |
| CN114354992B (en) | Unidirectional parallel double-head test probe | |
| CN113608102A (en) | Test probe suitable for large current | |
| CN206193056U (en) | Heavy current single -end single action probe | |
| CN213210236U (en) | Sleeve type anti-deformation test probe | |
| CN217466994U (en) | Semicircle pin test probe | |
| CN116735926A (en) | Semiconductor test probe with reliable contact between needle head and needle tube | |
| CN218331691U (en) | Anti-rotation test probe | |
| CN218584860U (en) | Test probe for small welding spot | |
| CN108023200A (en) | A kind of micro- spring socket electrical contact component | |
| CN214750466U (en) | Steady flow test probe | |
| JP3183676U (en) | Probe pin for semiconductor inspection | |
| CN115047316A (en) | Detachable slender probe | |
| CN215116427U (en) | Test needle | |
| CN117517917A (en) | Low friction semiconductor test probe | |
| CN207705441U (en) | A kind of micro- spring socket electrical contact component | |
| JP2602097B2 (en) | Conductive contact | |
| CN115267279A (en) | Test probe suitable for detecting oxide layer and rosin layer test points | |
| CN115144627A (en) | Test module capable of preventing needle head from deforming | |
| CN217846410U (en) | Short probe | |
| CN114778904A (en) | Double-end single-action probe | |
| CN210323138U (en) | Circuit board detection probe capable of being assembled with small detection needle head |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |