CN218731884U - Contact-stable Pogo-pin connector - Google Patents
Contact-stable Pogo-pin connector Download PDFInfo
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- CN218731884U CN218731884U CN202222776659.9U CN202222776659U CN218731884U CN 218731884 U CN218731884 U CN 218731884U CN 202222776659 U CN202222776659 U CN 202222776659U CN 218731884 U CN218731884 U CN 218731884U
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Abstract
The utility model discloses a stable-contact Pogo-pin connector, which comprises a needle tube, a first needle head, a second needle head and an elastic part, wherein the needle tube comprises a containing cavity, and the containing cavity is provided with a first opening and a second opening which are opposite; one end of the first needle head is arranged in the accommodating cavity from the first opening and is coupled with the cavity wall of the needle tube, the other end of the first needle head is exposed out of the first opening, and the first needle head is provided with an installation cavity facing the second opening; one end of the second needle head is arranged in the accommodating cavity from the second opening, is partially arranged in the mounting cavity and is coupled with the cavity wall of the mounting cavity; the elastic component is arranged in and is held the intracavity, and the first needle of one end butt of elastic component, the other end butt second open-ended periphery of elastic component, and wherein, under the exogenic action, first needle slides holding the intracavity along axial direction, and the elastic component is in by compression state, and the second needle slides towards the installation cavity. The utility model discloses technical scheme solves syringe needle and needle tubing contact unstability in the current connector, the problem that appears the instantaneous failure easily.
Description
Technical Field
The utility model relates to a connector technical field, in particular to stable Pogo-pin connector of contact.
Background
The main stream structure of the existing Pogo-pin connector comprises a needle head, an elastic part and a needle tube, wherein the needle head and the elastic part are wrapped inside the needle tube, and the needle head can freely move in the needle tube. Because through the plug connection between syringe needle and the needle tubing, and the syringe needle can be free activity in the needle tubing, the syringe needle can produce the beat when using, the phenomenon of syringe needle and needle tubing disconnection appears easily, in case syringe needle and needle tubing disconnection, whole closed circuit will break off, and when syringe needle and needle tubing disconnection, the current will flow through from the spring, product resistance increases, burns the spring, leads to the syringe needle can't bounce, thereby influence the contact stability, thereby easily lead to the connector to damage thereby lead to the functional failure of connector.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a stable Pogo-pin connector of contact aims at solving syringe needle and needle tubing contact unstability in the current connector, appears the problem of instantaneous failure easily.
To achieve the above object, the present invention provides a contact-stable Pogo-pin connector, comprising:
a needle cannula comprising a receiving cavity having opposing first and second openings;
one end of the first needle head is arranged in the accommodating cavity from the first opening and is coupled with the cavity wall of the needle tube, the other end of the first needle head is exposed out of the first opening, and the first needle head is provided with an installation cavity facing the second opening;
one end of the second needle head is arranged in the accommodating cavity from the second opening, part of the second needle head is arranged in the mounting cavity and coupled with the cavity wall of the mounting cavity, and the other end of the second needle head is exposed out of the second opening; and
the elastic component, the elastic component is arranged in hold the intracavity, the one end butt of elastic component first syringe needle, the other end butt of elastic component the second open-ended periphery, wherein, under the exogenic action, first syringe needle is in along axial direction hold the intracavity and slide, the elastic component is in by compression state, the second syringe needle court slide in the installation cavity.
Optionally, the second needle includes an installation section and an abutting section, the installation section is disposed in the second opening, and partially extends out of the second opening, and the abutting section is disposed in the installation cavity and coupled to a cavity wall of the installation cavity.
Optionally, the projection area of the abutting section on the horizontal plane is smaller than the projection area of the mounting section on the horizontal plane, and a guide structure is arranged at the end of the abutting section facing the mounting cavity.
Optionally, the first needle is provided with a limiting structure, the periphery of the first opening abuts against the limiting structure, and the limiting structure is coupled with the cavity wall of the accommodating cavity.
Optionally, the first opening is larger than the second opening, one end of the elastic member abuts against the limiting structure, and the other end of the elastic member abuts against the periphery of the second opening.
Optionally, the opening portion of the mounting cavity is tapered towards the accommodating cavity to form a tapered section, and the limiting structure is configured to protrude outwards from the projection of the first needle.
Optionally, the tapered section comprises a plurality of tapered sub-sections arranged at intervals, and an inner side wall of one tapered sub-section is abutted with an outer side wall of the abutting section.
Optionally, the opening portion of the mounting cavity is gradually enlarged toward the accommodating cavity, a step is formed on the outer surface of the first needle at the opening portion of the mounting cavity, and the limiting structure is configured as the step.
Optionally, the abutting section includes a first subsection and a second subsection which are arranged at intervals on the mounting section, and the first subsection and the second subsection abut against the cavity wall of the mounting cavity respectively.
Optionally, the end of the first subsection and the end of the second subsection are provided with contact heads facing the cavity wall of the installation cavity, and the contact heads are abutted against the cavity wall of the installation cavity.
According to the technical scheme of the utility model, the needle tube, the first needle head, the second needle head and the elastic piece are adopted, the needle tube comprises a containing cavity, and the containing cavity is provided with a first opening and a second opening which are opposite; one end of the first needle head is arranged in the accommodating cavity from the first opening and is coupled with the cavity wall of the needle tube, the other end of the first needle head is exposed out of the first opening, and the first needle head is provided with an installation cavity facing the second opening; one end of the second needle head is arranged in the accommodating cavity from the second opening, part of the second needle head is arranged in the mounting cavity and coupled with the cavity wall of the mounting cavity, and the other end of the second needle head is exposed out of the second opening; the elastic component is arranged in hold the intracavity, the one end butt of elastic component first syringe needle, the other end butt of elastic component the periphery of second open-ended, wherein, under the exogenic action, first syringe needle is in along axial direction hold the intracavity and slide, the elastic component is in by the compression state, the second syringe needle court slide in the installation cavity. Under the exogenic action, first syringe needle with the cavity wall coupling of needle tubing for the electric current can be transmitted from the route of first syringe needle and needle tubing, and the installation cavity cover of first syringe needle is established the second syringe needle, the surrounding edge of installation cavity contacts the lateral wall of second syringe needle, makes the electric current can transmit from first syringe needle to second syringe needle route, and makes first syringe needle can not incline because of the bias voltage under the exogenic action, avoids the phenomenon of first syringe needle and needle tubing disconnection, thereby makes first syringe needle and needle tubing steady contact, the design of first syringe needle and second syringe needle, even use under the environment of vibration, disconnection phenomenon in the twinkling of an eye can not appear, has reliable stability.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions 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 schematic structural diagram of an embodiment of a Pogo-pin connector according to the present invention;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a schematic structural view of the cross-section of FIG. 1;
fig. 4 is an exploded view of yet another embodiment of a Pogo-pin connector of the present invention;
fig. 5 is a schematic cross-sectional view of fig. 4.
The reference numbers indicate:
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
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 up, down, left, right, front, back, 8230; \8230;) in the embodiments 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 attached 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.
The main flow structure of the existing Pogo-pin connector comprises a needle head, an elastic piece and a needle tube, wherein the needle head and the elastic piece are wrapped inside the needle tube, and the needle head can move freely in the needle tube. Because through the plug connection between syringe needle and the needle tubing, and the syringe needle can be free activity in the needle tubing, the syringe needle can produce the beat when using, the phenomenon of syringe needle and needle tubing disconnection appears easily, in case syringe needle and needle tubing disconnection, whole closed circuit will break off, and when syringe needle and needle tubing disconnection, the current will flow through from the spring, product resistance increases, burns the spring, leads to the syringe needle can't bounce, thereby influence the contact stability, thereby easily lead to the connector to damage thereby lead to the functional failure of connector.
To this end, the utility model provides a contact stable Pogo-pin connector. The connector aims to solve the problems that a needle head and a needle tube are unstable in contact and are easy to break instantly in the existing connector.
Referring to fig. 1 to 5, in the embodiment of the present invention, the Pogo-pin connector 10 with stable contact includes a needle tube 1, a first needle 2, a second needle 3 and an elastic member 4, the elastic member 4 is configured as a spring at present, and may be replaced by other elastic members 4 with better effect and lower cost along with the development of the technology, the needle and the needle tube 1 are made of conductive materials, the two contact with each other to transmit information, and the conductive materials are preferably copper, copper alloy, etc. in view of conductivity and cost; to improve conductivity, oxidation resistance, wear resistance, etc., to protect the needle and the needle tube 1. The inner and outer of the needle head and the needle tube 1 can be provided with plating materials, such as electroplating, coating and the like. The needle tube 1 comprises a containing cavity 11, and the containing cavity 11 is provided with a first opening 111 and a second opening 112 which are opposite; one end of the first needle 2 is disposed in the accommodating cavity 11 from the first opening 111, and is coupled with the cavity wall of the needle tube 1, and the other end is exposed out of the first opening 111, and the first needle 2 is provided with a mounting cavity 21 facing the second opening 112; as shown in figure 1, the needle tube 1 is hollow cylindrical, so that the hole wall is ensured to be smooth, the first needle 2 can be in full contact no matter which direction the first needle obliquely contacts with the inner wall of the accommodating cavity 11, and the stability of the connection of the first needle 2 and the needle tube 1 is ensured. The head of the first needle 2 is arranged in this embodiment in the shape of a bullet, which arrangement is such that it can be brought into sufficient contact with other equipment when it is connected thereto. Of course, other shapes may be used depending on the specifics of the attached device.
In an embodiment, the second needle 3 and the needle tube 1 are integrally formed, and in this embodiment, for convenience of processing, one end of the second needle 3 is disposed in the accommodating cavity 11 from the second opening 112, and is partially located in the installation cavity 21 and coupled to the cavity wall of the installation cavity 21, and the other end is exposed to the second opening 112.
Referring to fig. 2 and 4, the elastic member 4 is disposed in the accommodating cavity 11, one end of the elastic member 4 abuts against the first needle 2, and the other end of the elastic member 4 abuts against the periphery of the second opening 112, wherein under an external force, the first needle 2 slides in the accommodating cavity 11 along an axial direction, the elastic member 4 is in a compressed state, and the second needle 3 slides in the mounting cavity 21. Under the exogenic action, first syringe needle 2 with the cavity wall coupling of needle tubing 1 for the electric current can be followed first syringe needle 2 and needle tubing 1's route and transmitted, and the installation cavity 21 cover of first syringe needle 2 is established second syringe needle 3, the periphery of installation cavity 21 contacts the lateral wall of second syringe needle 3, makes the electric current can transmit from first syringe needle 2 to 3 routes of second syringe needle, and makes first syringe needle 2 can not incline because of the bias voltage and warp under the exogenic action, avoids the phenomenon of first syringe needle 2 and needle tubing 1 disconnection, thereby makes first syringe needle 2 and needle tubing 1 steady contact, and the design of first syringe needle 2 and second syringe needle 3 has reduced the contact impedance between first syringe needle 2 and the needle tubing 1 promptly.
The technical scheme of the utility model is that a needle tube 1, a first needle 2, a second needle 3 and an elastic part 4 are adopted, the needle tube 1 comprises a containing cavity 11, and the containing cavity 11 is provided with a first opening 111 and a second opening 112 which are opposite; one end of the first needle 2 is disposed in the accommodating cavity 11 from the first opening 111, and is coupled to the cavity wall of the needle tube 1, and the other end of the first needle is exposed out of the first opening 111, and the first needle 2 is provided with a mounting cavity 21 facing the second opening 112; one end of the second needle 3 is placed in the accommodating cavity 11 from the second opening 112, is partially located in the mounting cavity 21, is coupled with the cavity wall of the mounting cavity 21, and is exposed out of the second opening 112; elastic component 4 is arranged in hold the chamber 11, the one end butt of elastic component 4 first needle 2, the other end butt of elastic component 4 the periphery of second opening 112, wherein, under the exogenic action, first needle 2 is in along axial direction hold and slide in the chamber 11, elastic component 4 is in by compression state, second needle 3 court slide in the installation cavity 21. Under the exogenic action, first syringe needle 2 with the cavity wall coupling of needle tubing 1 for the electric current can be followed first syringe needle 2 and needle tubing 1's route and transmitted, and the installation cavity 21 cover of first syringe needle 2 is established second syringe needle 3, the periphery of installation cavity 21 contacts the lateral wall of second syringe needle 3, makes the electric current can transmit from first syringe needle 2 to 3 routes of second syringe needle, and makes first syringe needle 2 can not incline because of the bias voltage under the exogenic action, avoids the phenomenon of first syringe needle 2 and 1 disconnection of needle tubing, thereby makes first syringe needle 2 and 1 steady contact of needle tubing, the design of first syringe needle 2 and second syringe needle 3, even use under the environment of vibration, disconnection phenomenon in the twinkling of an eye can not appear, have reliable stability.
Referring to fig. 2 and 4, further, in order to ensure the contact between the first needle 2 and the second needle 3 and avoid the disconnection of the first needle 2 from the needle tube 1, the second needle 3 includes a mounting section 31 and an abutting section 32 arranged along the axial direction, the mounting section 31 is partially disposed in the second opening 112 and partially protrudes out of the second opening 112, and the abutting section 32 is partially disposed in the mounting cavity 21 and coupled to the cavity wall of the mounting cavity 21. The second needle 3 is arranged in the second opening 112 and fixed with the second opening 112, such as welding, gluing and the like, the second needle 3 exposes the second opening 112, so that the second needle can be fully contacted with other equipment when being connected, and the second needle 3 and the needle are arranged in a split manner, so that the processing and the installation are convenient, and compared with an integrated forming manner, the processing cost can be reduced.
Further, in order to facilitate the abutting section 32 to extend into the installation cavity 21, a projection area of the abutting section 32 on a horizontal plane is smaller than a projection area of the installation section 31 on the horizontal plane, and a guide structure 34 is arranged at an end of the abutting section 32 facing the installation cavity 21. In one embodiment, the guide structure 34 may be rounded; in another embodiment, the guide structure 34 may be an inclined surface or the like.
Further, for first needle 2 butt elastic component 4, guarantee that first needle 2 moves along the axis of needle tubing 1, avoid deviating, first needle 2 is equipped with limit structure 35, the periphery of first opening 111 with limit structure 35 looks butt, just limit structure 35 with the chamber wall that holds chamber 11 couples mutually.
Referring to fig. 2 and 3, in an embodiment, the opening portion of the mounting cavity 21 is gradually enlarged toward the accommodating cavity 11, the outer surface of the first needle 2 forms a step at the opening portion of the mounting cavity 21, and the limiting structure 35 is configured as the step.
Specifically, the abutting section 32 includes a first subsection 321 and a second subsection 332 which are arranged at intervals on the mounting section 31, and the first subsection 321 and the second subsection 332 abut against the cavity wall of the mounting cavity 21 respectively.
The end of the first subsection 321 and the end of the second subsection 332 are provided with contact parts 33 facing the cavity wall of the installation cavity 21, and the contact parts 33 are abutted against the cavity wall of the installation cavity 21.
In this scheme, the installation cavity 21 of first syringe needle 2 is greater than butt section 32, and the opening part is the gradual expansion setting and is convenient for second syringe needle 3 to insert in installation cavity 21, in order to guarantee the contact of first syringe needle 2 and second syringe needle 3, first subsection 321 and second subsection 332, the trend that has mutual keeping away from after inserting in installation cavity 21, thereby when guaranteeing installation cavity 21, the chamber wall of abundant butt installation cavity 21 of ability, thereby guarantee that the contact of first syringe needle 2 and second syringe needle 3 is stable.
Referring to fig. 4 and 5, in another embodiment, the first opening 111 is larger than the second opening 112, one end of the elastic member 4 abuts against the limiting structure 35, and the other end of the elastic member 4 abuts against the periphery of the second opening 112.
Specifically, the tapered section 22 includes a plurality of tapered sub-sections 221 arranged at intervals, and an inner sidewall of one of the tapered sub-sections 221 abuts against an outer sidewall of the abutting section 32.
In this scheme, the tapering section 22 of first needle 2 is equipped with and follows the opening of axial through tapering section 22 for tapering section 22 is divided into a plurality of tapering subsections 221, and the butt section 32 of second needle 3 is cylindricly, and when butt section 32 inserted the opening that tapering section 22 enclosed, a plurality of tapering subsections 221 have certain deformation volume, can make the contact of first needle 2 and second needle 3 stable, also be convenient for first needle 2 and the relative movement of second needle 3.
Referring to fig. 2 and 3, in one embodiment, the stop 35 is configured as a protrusion protruding from the first needle 2.
Referring to fig. 4 and 5, in other embodiments, the limiting structure 35 is configured as a step formed by the thickness of the outer wall of the first needle 2 itself.
With reference to fig. 4 and 5, further, in order to ensure stable contact between the first needle 2 and the second needle 3, the end of the first sub-section 321 and the end of the second sub-section 332 are provided with contact parts 33 facing the cavity wall of the mounting cavity 21, and the contact parts 33 are abutted against the cavity wall of the mounting cavity 21.
The elastic member 4 is inserted into the mounting cavity 21. Through installation cavity 21 and the contact position who holds the fixed elastic component 4 of chamber 11, even the radial motion of elastic component 4 receives the restraint, can ensure that first syringe needle 2 can not squint and the contact position of first syringe needle 2 in whole upper and lower compression process, second syringe needle 3 and the cooperation of first syringe needle 2, further guarantee first syringe needle 2 and avoid the phenomenon of first syringe needle 2 and the disconnection of needle tubing 1, with the equilibrium in order to ensure pressure, thereby make first syringe needle 2 and needle tubing 1 stationary contact, even use under the environment of vibration, disconnection phenomenon in the twinkling of an eye can not appear, reliable stability has.
In one embodiment, the elastic member 4 is a spring, and is a pre-stressed spring. In this way, the spring is slightly pre-stressed, so that the connector 10 can provide a stable supporting force to the first spike 2 when put into use.
Further, the elastic member 4 is provided with an insulating protective layer. The spring can be prevented from being conductive through the insulating protection layer, current transmission is avoided, high-temperature burning caused by large current is avoided, normal transmission of the large current of the connector 10 can be guaranteed, and the service life of the connector 10 is guaranteed.
In other embodiments, an insulating spring may be used to prevent burning of the spring.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (10)
1. A contact-stable Pogo-pin connector, comprising:
a needle cannula comprising a receiving cavity having opposing first and second openings;
one end of the first needle head is arranged in the accommodating cavity from the first opening and is coupled with the cavity wall of the needle tube, the other end of the first needle head is exposed out of the first opening, and the first needle head is provided with an installation cavity facing the second opening;
one end of the second needle head is arranged in the accommodating cavity from the second opening, is partially positioned in the mounting cavity and is coupled with the cavity wall of the mounting cavity, and the other end of the second needle head is exposed out of the second opening; and
the elastic component, the elastic component is arranged in hold the intracavity, the one end butt of elastic component first syringe needle, the other end butt of elastic component the second open-ended periphery, wherein, under the exogenic action, first syringe needle is in along axial direction hold the intracavity and slide, the elastic component is in by compression state, the second syringe needle court slide in the installation cavity.
2. The contact-stable Pogo-pin connector of claim 1, wherein the second pin includes an axially disposed mounting section disposed partially in the second opening and partially extending out of the second opening, and an abutment section disposed partially in the mounting cavity ， And is coupled to the wall of the mounting cavity.
3. The contact-stabilized Pogo-pin connector of claim 2, wherein a projected area of the abutting section in a horizontal plane is smaller than a projected area of the mounting section in a horizontal plane, and an end of the abutting section is provided with a guide structure toward the mounting cavity.
4. The contact-stable Pogo-pin connector of claim 3, wherein the first needle is provided with a stop structure, the periphery of the first opening abuts against the stop structure, and the stop structure is coupled with the cavity wall of the receiving cavity.
5. The contact-stable Pogo-pin connector of claim 4, wherein the first opening is larger than the second opening, one end of the elastic member abuts the limiting structure, and the other end of the elastic member abuts a periphery of the second opening.
6. The contact-stable Pogo-pin connector of claim 5, wherein the opening portion of the mounting cavity is tapered toward the receiving cavity to form a tapered section, and the retention structure is configured to protrude beyond the protrusion of the first needle.
7. The contact-stabilized Pogo-pin connector of claim 6, wherein said tapered section comprises a plurality of tapered sub-sections arranged at intervals, an inner sidewall of said tapered sub-sections abutting an outer sidewall of said abutting section.
8. The contact-stabilized Pogo-pin connector of claim 4, wherein the opening portion of said mounting cavity is tapered toward said receiving cavity, the outer surface of said first pin forms a step at the opening portion of said mounting cavity, and said stop structure is configured as said step.
9. The contact-stabilized Pogo-pin connector of claim 8, wherein said abutting section comprises a first sub-section and a second sub-section spaced apart from said mounting section, said first sub-section and said second sub-section abutting a wall of said mounting cavity, respectively.
10. The contact-stabilized Pogo-pin connector of claim 9, wherein the ends of said first sub-section and said second sub-section are provided with contact portions facing the wall of said mounting cavity, said contact portions abutting the wall of said mounting cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222776659.9U CN218731884U (en) | 2022-10-20 | 2022-10-20 | Contact-stable Pogo-pin connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222776659.9U CN218731884U (en) | 2022-10-20 | 2022-10-20 | Contact-stable Pogo-pin connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218731884U true CN218731884U (en) | 2023-03-24 |
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ID=85587308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222776659.9U Active CN218731884U (en) | 2022-10-20 | 2022-10-20 | Contact-stable Pogo-pin connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218731884U (en) |
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2022
- 2022-10-20 CN CN202222776659.9U patent/CN218731884U/en active Active
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