CN210627178U

CN210627178U - Elastic needle for quick plug development and test of half-hole module

Info

Publication number: CN210627178U
Application number: CN201921196831.5U
Authority: CN
Inventors: 文周刚
Original assignee: Suzhou Yunzhiqiming Intelligent Technology Co Ltd
Current assignee: Shenzhen Qimingxian Technology Co ltd
Priority date: 2019-07-26
Filing date: 2019-07-26
Publication date: 2020-05-26
Anticipated expiration: 2029-07-26

Abstract

The utility model provides an bullet needle that is used for quick plug development of half-bore module and test, its characterized in that, includes first circular arc (1.1), second circular arc (1.2), third circular arc (1.3), fourth circular arc (1.4) and many line segments, circular arc and the steady smooth transition of line segment junction, adjacent line segment directly passes through the radius transition according to passing through, the cross-section of bullet needle be circular, bullet needle adopt the wear-resisting metal material of high elasticity. The utility model discloses simple structure, the installation detects conveniently, has better market perspective.

Description

Elastic needle for quick plug development and test of half-hole module

Technical Field

The utility model relates to a bullet needle, more specifically involve a bullet needle that is used for the quick plug development of half-hole module and tests.

Background

Along with the rapid growth of the application of the internet of things, the demand of the modules such as Bluetooth, Wifi, Zigbee, Lo-Ra, NB-IOT, Sub1G and the like applied to the field of the internet of things is rapidly increased, and the development and test requirements for the modules are more and more. The traditional test jig is only suitable for being applied to the field of mass production test, and is inconvenient and uneconomical for personal software development test, small-batch burning production, creation and education. Therefore, developing a simple and universal test rack is an urgent problem to be solved, but the development and design of the test rack are often determined by the specific structure of the module testing part, and therefore the emphasis is on the structural design of the module testing part.

SUMMERY OF THE UTILITY MODEL

In order to solve the existing problem, the utility model provides a new module test part's structure, it adopts following technical scheme:

the utility model provides a bullet needle that is used for quick plug development of half-bore module and tests which characterized in that includes first circular arc, second circular arc, third circular arc, fourth circular arc and many line segments, bullet needle be connected with the line segment by the circular arc and form.

Further, the cross section of the bullet needle is circular.

Further, the radius of the first circular arc ranges from 1.4 to 1.5, the size of the first circular arc can be 1.5, and the elastic needle can be more durable by selecting a larger circular arc.

Further, the radius size range of second circular arc is 1.8 ~ 3.8, and the size can be taken 3.8, selects great circular arc can ensure that the bullet needle is more durable.

Furthermore, the third circular arc and the fourth circular arc are both rounded corners, so that transition between adjacent line segments through the rounded corners is ensured, and the problem that the hand is pricked due to sharp corners during installation is avoided.

Furthermore, the line segment is tangent to the connection of the circular arc, so that smooth transition of each part of the elastic needle is ensured.

Furthermore, the elastic needle is made of high-elasticity wear-resistant metal materials, so that good conductivity of the materials is ensured.

Furthermore, the surface of the elastic needle is subjected to gold immersion treatment, so that the elastic needle and the PCB are easy to weld.

Furthermore, the outer shape of the elastic needle is in the shape of English letter 'n'.

Be equipped with a plurality of first holes 3.1 and a plurality of second hole 3.2 on the PCB board, first hole is the both sides of symmetric distribution on the PCB board with the second hole. The two ends of a first elastic needle 1 are respectively clamped in a first hole and a second hole on one side of the PCB 3, a second elastic needle is simultaneously clamped in the first hole and the second hole on the opposite side of the PCB 3, and the first elastic needle and the second elastic needle are arranged in axial symmetry.

Because the distance between bullet needle left end 1.5 and bullet needle right-hand member 1.6 is bigger than the distance between first hole 3.1 and the second hole 3.2, including the elasticity of bullet needle self, bullet needle 1 realizes automatic positioning, make the shape of bullet needle 1 deform immediately into the shape of bullet needle 2, then with bullet needle 2 and PCB board welding together, then put the detection module 4 of cuboid appearance on the PCB board again, both sides block the both ends of the bullet needle 2 of both sides respectively, the direct detection bullet needle and the welded condition of PCB board.

The utility model discloses the beneficial effect who produces: the novel test system can realize the ultra-low-cost module test and software development burning environment in the small-batch trial production test stage and the individual development test scene, greatly saves the dependence of software developers on the hardware environment, increases the development efficiency, and has important reference significance on various test development boards and sensor modules for STEM education.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a front view of the bullet pin of the present invention before installation;

FIG. 2 is a front view of the present invention after the bullet pin is installed;

FIG. 3 is a front view of the bullet needle of the present invention;

figure 4 is the utility model discloses the detection axonometric drawing of bullet needle.

Reference numerals

1-a spring needle before installation; 1.1-a first arc; 1.2-second arc; 1.3-third arc; 1.4-fourth arc; 1.5-left end of the bullet needle; 1.6-the right end of the elastic needle; 2-the installed bullet needle; 2.1-the tail end of the installed bullet needle; 3-a PCB board; 4-detection module.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 to 4, a pogo pin 1 for quick plug-in development and test of a half-hole module is characterized by comprising a first arc 1.1, a second arc 1.2, a third arc 1.3, a fourth arc 1.4 and a plurality of line segments, wherein the pogo pin is formed by connecting the arcs and the line segments.

Further, the cross section of the bullet needle is circular.

Further, the radius of the first circular arc 1.1 ranges from 1.4 to 1.5, preferably 1.5, and a larger circular arc can ensure that the pogo pin is more durable.

Further, the radius of the second circular arc 1.2 ranges from 1.8 to 3.6, preferably 3.6, and a larger circular arc is selected to ensure that the pogo pin is more durable.

Further, the third arc 1.3 and the fourth arc 1.4 are rounded corners, so that transition between adjacent line segments through the rounded corners is ensured, and the problem that the hand is pricked due to sharp corners during installation is avoided.

Further, the line segment is tangent to the connection of the circular arcs, and smoothness of each part of the elastic needle is guaranteed.

Because the distance between bullet needle left end 1.5 and bullet needle right-hand member 1.6 is greater than the distance between first hole 3.1 and the second hole 3.2, including the elasticity of bullet needle self, bullet needle 1 realizes automatic positioning, make the shape of bullet needle 1 deform immediately into the shape of bullet needle 2, then with bullet needle 2 and PCB board welding together, and ensure that the length that bullet needle 2 inserts first hole and second hole is greater than the degree of depth in first hole and second hole, 2.1 protrusion first hole and second hole of bullet needle tail end after the installation promptly, preferably, the protrusion size can be got 0.4mm, can realize that the solder joint is mellow and full and does not have protrusion spine after the normal welding, the outward appearance is beautiful, make things convenient for follow-up bare-handed quick plug module operation simultaneously. And then the detection module 4 with the shape of a cuboid is placed on the PCB, two sides of the detection module respectively clamp two ends of the elastic needle 2 at two sides, and the welding condition between the elastic needle and the electronic component on the PCB is directly detected.

The above is only the preferred embodiment of the present invention, and the patent scope of the present invention is not limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings are utilized under the inventive concept of the present invention, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. The utility model provides a bullet needle that is used for quick plug development of half-bore module and tests which characterized in that, includes first circular arc (1.1), second circular arc (1.2), third circular arc (1.3), fourth circular arc (1.4) and many line segments, bullet needle be connected with the line segment by the circular arc and form.

2. The pogo pin of claim 1, wherein the cross-section of the pogo pin is circular.

3. The pogo pin for rapid plug-in development and test of half-hole modules according to claim 1, wherein the radius of the first arc ranges from 1.4 to 1.5.

4. The pogo pin for rapid plug-in development and test of half-hole modules according to claim 1, wherein the radius of the second arc ranges from 1.8 to 3.8.

5. The pogo pin for rapid plug and unplug development and testing of half-hole modules as claimed in claim 1, wherein the third and fourth arcs are rounded.

6. The bullet needle for the quick plug development and test of the half-hole module according to claim 1, wherein the connection between the line segment and the circular arc is smooth.

7. The bullet needle for the quick plug development and test of the half-hole module according to claim 1, wherein said bullet needle is made of high elastic and wear resistant metal material.

8. The pogo pin of claim 1, wherein the surface of the pogo pin is gold-plated.

9. The pogo pin for rapid plug-in development and test of half-hole module as claimed in claim 1, wherein the pogo pin has an outer shape of english letter "n".