CN218770138U

CN218770138U - 2Pin integral type spring Pin connector

Info

Publication number: CN218770138U
Application number: CN202222945203.0U
Authority: CN
Inventors: 张谊
Original assignee: Dongguan Chuanfu Electronics Co Ltd
Current assignee: Dongguan Chuanfu Electronics Co Ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-03-28
Anticipated expiration: 2032-11-04

Abstract

The utility model relates to a 2Pin integral type pogo Pin connector, including the pogo Pin, the pogo Pin includes the needle tubing, the needle axle, spring and connecting wire, spring and needle axle are placed in proper order in the lumen of needle tubing, the both ends of spring are supported respectively and are leaned on the outer step in the interior step face of needle tubing and needle axle, the lumen both ends set up two mouths of pipe, the contact end of needle shaft prelude and the welding end of afterbody expose from two mouths of pipe of needle tubing respectively, the integrative weld part that sets up of afterbody of needle tubing, the weld part sets up two at least weld faces, the both ends of connecting wire are welded fastening respectively on the tail end of a weld face and needle axle, needle axle and needle tubing realize through the connecting wire that the normality switches on. The utility model discloses a connecting wire of welding between needle axle afterbody and the needle tubing lateral wall for all the time be the state that the electrical property switched on between needle axle and the needle tubing, do not have the condition of instantaneous interruption, paste on PCB circuit board through the face of weld of needle tubing afterbody, guarantee other components and parts of the flow direction PCB circuit board that current signal on the pogo pin can be stable.

Description

2Pin integral type spring Pin connector

Technical Field

The utility model relates to a connector technical field, in particular to 2Pin integral type pogo Pin connector.

Background

The spring needle is used as a basic electric connection component, has the characteristics of stable structure, excellent electrical performance and the like, the existing spring needle products on the market generally comprise a needle shaft and a needle tube, the needle shaft and a spring are arranged inside the needle tube, the contact end of the needle shaft is exposed out of the needle tube, clearance fit is generally adopted between the needle shaft and the needle tube, a reaction force is provided by the spring arranged between the needle shaft and the needle tube, the reaction force acts on the needle shaft and the needle tube, the needle shaft moves relative to the needle tube in a piston mode, and the needle shaft and the needle tube are in sliding contact conduction, so that the traditional spring needle has the defects of instantaneous breakage and reconnection.

Most of the traditional needle shaft is arranged in the needle tube, only the contact end is exposed, and the inner space of the needle tube is limited, so that the structure which can be added between the needle shaft and the needle tube is very limited; mode that integral type needle shaft has appeared in recent years, chinese utility model patent as application number CN202121757237.6 discloses a pogo pin with spacing formula needle shaft, including needle shaft, spring and needle tubing, spring, needle tubing in proper order the coaxial sleeve establish on the needle shaft outer circumference, the needle shaft includes contact end and connecting rod, the spring housing is established on the connecting rod, the both ends of spring support respectively by in needle tubing inner wall, contact end, the connecting rod passes the needle tubing and is provided with the spacing portion of restriction needle tubing and needle shaft separation, this spacing position is in the needle tubing outside. According to the needle shaft, the tail of the needle shaft is flattened to form a flat limiting part with the outer diameter larger than the inner diameter of a central hole of the needle tube, so that the needle shaft and the needle tube are assembled. Two ends of the integrated needle shaft can extend out from two ends of the needle tube, so that a large space is formed between the needle shaft and the needle tube, and a structure for ensuring the needle shaft and the needle tube to be continuously connected can be designed.

SUMMERY OF THE UTILITY MODEL

In order to solve the not enough of prior art, the utility model provides a 2Pin integral type spring needle connector forms the electric connection that the normality switched on through the connecting wire between needle axle afterbody and needle tubing outer wall, guarantees that the signal between needle axle and the needle tubing can last incessantly.

In order to achieve the above purpose, the utility model provides a technical scheme does: the utility model provides a 2Pin integral type pogo Pin connector, includes the pogo Pin, the pogo Pin includes needle tubing, needle shaft, spring and connecting wire, spring and needle shaft place in proper order in the lumen of needle tubing, the both ends of spring support respectively to lean on the outer step in the interior step face of needle tubing and needle shaft, the both ends of lumen are provided with two mouths of pipe, the contact end of needle shaft prelude and the welded end of afterbody expose from two mouths of pipe of needle tubing respectively, the afterbody an organic whole of needle tubing is provided with the weld part, the weld part is provided with at least one weld face, the both ends of connecting wire welded fastening respectively on the tail end of a weld face and needle shaft, needle shaft and needle tubing realize the normality through the connecting wire and switch on.

In the technical scheme, the shape of weld part is the square, set up to two face of weld on two relative lateral walls of weld part, two face of weld include first face of weld and second face of weld, first face of weld and connecting wire welded fastening, second face of weld and external circuit board's welded fastening.

In the technical scheme, needle shaft an organic whole is provided with contact end, sliding section, linkage segment and welding end, the external diameter of sliding section is greater than the external diameter of contact end, the lateral wall of sliding section and the inside wall sliding connection of needle tubing, the spring housing is established on the linkage segment, set up the outer step with the spring contact between linkage segment and the sliding section, the external diameter of welding end is less than the external diameter of linkage segment.

In above-mentioned technical scheme, still include the pedestal, two spring needle interval cartridge is on the pedestal, the pedestal sets up the fixed orifices, is provided with the constant head tank in one side of fixed orifices, the spring needle plug-in mounting is in fixed orifices and constant head tank, two side inner walls of constant head tank set up to be connected the face, two relative lateral walls of weld part all set up to with connect the locating surface of face contact, it is parallel to each other with the locating surface to connect the face.

In the above technical scheme, the constant head tank is provided with the opening between two connection faces, the second face of weld exposes through the opening, the constant head tank is provided with at the opposite side relative with the opening and keeps away the vacancy, keeps away the vacancy setting with the first face of weld of connecting wire, first face of weld with keep away and have the clearance between the vacancy.

In the technical scheme, the depth of the space avoiding position is smaller than that of the positioning groove.

In the technical scheme, the fixing hole is in interference fit with the outer side wall of the needle tube.

In the above technical scheme, the base body is provided with the positioning column and the positioning block at the position connected with the external circuit board, the positioning column is arranged between the two spring pins, and the two positioning blocks are arranged below the two spring pins.

The utility model has the advantages of, the utility model has the advantages of reasonable structure, novel in design, the practicality is strong, through a connecting wire of welding between needle shaft afterbody and the needle tubing lateral wall for all the time be the state that the electrical property switched on between needle shaft and the needle tubing, there is not the condition of instantaneous failure, and the face of weld through the needle tubing afterbody pastes on PCB circuit board, guarantees other components and parts of flow direction PCB circuit board that current signal on the pogo pin can be stable.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment.

Fig. 2 is a schematic cross-sectional structure diagram of the first embodiment.

Fig. 3 is an exploded schematic view of the first embodiment.

Fig. 4 is a schematic perspective view of the second embodiment.

Fig. 5 is an exploded schematic view of the second embodiment.

In the figure: 1. a pogo pin; 2. a needle tube; 20. welding the part; 21. a first nozzle; 22. a second orifice; 23. an inner step surface; 24. a convex edge; 25. a first welding surface; 26. positioning the surface; 27. a second weld face; 3. a needle shaft; 31. a contact end; 32. a sliding section; 33. a connecting section; 34. welding the end; 4. a spring; 5. a base body; 51. a fixing hole; 52. positioning a groove; 53. avoiding vacant positions; 54. a connecting surface; 55. an opening; 56. a positioning column; 57. positioning blocks; 6. a circuit board; 10. and connecting the wires.

Detailed Description

The embodiments of the present invention will be described with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described and illustrated with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention. Based on the embodiments provided by the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention. Moreover, it should be further appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which will vary from one implementation to another.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is to be expressly and implicitly understood by one of ordinary skill in the art that the described embodiments of the present invention may be combined with other embodiments without conflict.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as is commonly understood by one of ordinary skill in the art to which this invention belongs. The terms "a", "an", "the" and the like in the description of the invention do not denote a limitation of quantity, but rather denote the singular or plural. The present invention relates to the terms "comprises," "comprising," "includes," "including," "has," "having" and any variations thereof, which are intended to cover non-exclusive inclusions; for example, a process, method, system, article, or apparatus that comprises a list of steps or modules (elements) is not limited to the listed steps or elements, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. The terms "connected," "coupled," and the like in the description may not be limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The utility model relates to a "a plurality of" means more than or equal to two. "and/or" describes an association relationship of associated objects, meaning that three relationships may exist, for example, "A and/or B" may mean: a exists alone, A and B exist simultaneously, and B exists alone. The terms "first," "second," "third," and the like in the description of the invention are used merely to distinguish between similar objects and not necessarily to represent a particular ordering for the objects.

In the first embodiment, the first step is,

as shown in fig. 1-3, a 2Pin integral type pogo Pin connector, including pogo Pin 1, pogo Pin 1 includes needle tube 2, needle shaft 3, spring 4 and connecting wire 10, spring 4 and needle shaft 3 place in proper order in the lumen of needle tube 2, the both ends of spring 4 support on respectively in the interior step face 23 of needle tube 2 and the outer step of needle shaft 3, the both ends of lumen are provided with two mouths of pipe, contact end 31 of needle shaft 3 prelude and weld end 34 of afterbody expose from two mouths of pipe of needle tube 2 respectively, the afterbody an organic whole of needle tube 2 is provided with weld part 20, weld part 20 is provided with two weld faces, the both ends of connecting wire 10 are welded fastening respectively on a weld face and the tail end of needle shaft 3, needle shaft 3 and needle tube 2 realize the normality through connecting wire 10 and switch on.

As shown in fig. 1 and 3, the welding portion 20 is square, two opposite outer side walls of the welding portion 20 are provided with two welding surfaces, the two welding surfaces include a first welding surface 25 and a second welding surface 27, the first welding surface 25 is welded and fixed with the connecting wire 10, and the second welding surface 27 is welded and fixed with the welding plate of the external circuit board 6. The two welding surfaces are mutually parallel planes, so that the welding is convenient.

As shown in fig. 3, the needle shaft 3 is integrally provided with a contact end 31, a sliding section 32, a connecting section 33 and a welding end 34, the outer diameter of the sliding section 32 is larger than the outer diameter of the contact end 31, the outer side wall of the sliding section 32 is slidably connected with the inner side wall of the needle tube 2, the spring 4 is sleeved on the connecting section 33, an outer step contacting with the spring 4 is arranged between the connecting section 33 and the sliding section 32, the outer diameter of the welding end 34 is smaller than the outer diameter of the connecting section 33, the outer diameter of the sliding section 32 is the largest outer diameter of the needle shaft 3, and the outer diameter of the welding end 34 is the smallest outer diameter of the needle shaft 3.

As shown in fig. 2, the two nozzles of the needle tube 2 are a first nozzle 21 and a second nozzle 22, the inner diameter of the first nozzle 21 is larger than the inner diameter of the second nozzle 22, the outer diameter of the contact end 31 is smaller than the inner diameter of the second nozzle 22, the outer diameters of the connection section 33 and the welding end 34 are smaller than the inner diameter of the second nozzle 22, the contact end 31 of the needle shaft 3 is exposed from the first nozzle 21, and the welding end 34 is exposed from the second nozzle 22, in this embodiment, the needle shaft 3 and the spring 4 are loaded into the needle tube 2 from the first nozzle 21, and the first nozzle 21 is pressed and riveted, so that the needle shaft 3 and the spring 4 are assembled in the needle tube 2. In a normal state, the contact end 31 and the welding end 34 of the needle shaft 3 are respectively exposed from the first nozzle 21 and the second nozzle 22, and when the needle shaft 3 is pressed to retract the contact end 31 of the needle shaft 3 into the needle tube 2, the connecting section 33 and the welding end 34 of the needle shaft 3 extend out of the second nozzle 22, so that the welding position of the welding end 34 and the wire end of the connecting wire 10 is always outside the needle tube 2, the welding position of the needle shaft 3 and the connecting wire 10 is ensured not to be scratched by the second nozzle 22, and the stable welding of the needle shaft 3 and the connecting wire 10 is ensured.

The end face of the contact end 31 is a hemispherical surface, and the connector butted with the spring pin 1 is conveniently butted through the hemispherical surface.

The cross section of the welding end 34 can be round or flat, and the flat cross section can ensure that the welding end 34 has a plane to be welded with the wire end of the connecting wire 10, so that the welding is firmer.

Needle axle 3 and needle tubing 2 are the copper product, and spring 4 is stainless steel material, and connecting wire 10 is flexible electric wire, and the sinle silk of connecting wire 10 can adopt the copper line, guarantees to have fine electric conductivity between needle axle 3, connecting wire 10, the needle tubing 2.

Example two

The difference from the first embodiment lies in that the first nozzle 21 and the second nozzle 22 of the needle tube 2 are not closed, after the needle shaft 3 and the spring 4 are inserted into the needle tube 2 from the first nozzle 21, the connecting section 33 of the needle shaft 3 is flattened or is sleeved with a nut, the spring needle 1 with the limiting needle shaft 3 disclosed in the chinese utility model with the reference application No. CN202121757237.6 is disclosed, so that the connecting section 33 has a limiting part with an outer diameter larger than the inner diameter of the second nozzle 22, and the needle shaft 3 is ensured not to be separated from the needle tube 2 under the action of the spring 4.

EXAMPLE III

As shown in fig. 4-5, two pogo pins 1 are inserted into the seat body 5 at intervals to form a 2Pin pogo Pin 1 connector, the seat body 5 is provided with a fixing hole 51, a positioning groove 52 is provided at one side of the fixing hole 51, the pogo pins 1 are inserted into the fixing hole 51 and the positioning groove 52, two side inner walls of the positioning groove 52 are provided as connecting surfaces 54, two opposite outer side walls of the welding portion 20 are both provided as positioning surfaces 26 contacting with the connecting surfaces 54, and the connecting surfaces 54 are parallel to the positioning surfaces 26. The positioning groove 52 is provided with an opening 55 between the two connection surfaces 54, the second welding surface 27 is exposed through the opening 55, the positioning groove 52 is provided with a clearance 53 at the other side opposite to the opening 55, the first welding surface 25 welded with the connection line 10 is arranged towards the clearance 53, and a gap is provided between the first welding surface 25 and the clearance 53.

The base body 5 is formed by plastic and injection molding, the production efficiency is high, and the insulation effect is ensured by plastic materials.

Two pogo pins 1 are inserted into the housing 5 to form a 2Pin pogo Pin 1 connector, or three, four or more pogo pins 1 are inserted into the housing 5 to form 3Pin, 4Pin and multi-Pin pogo Pin 1 connectors, so that the pogo pins 1 can be introduced more extensively.

As shown in FIG. 5, the depth of the clearance 53 is smaller than the depth of the positioning groove 52, so that the welding point of the connecting wire 10 at the welding area of the first welding surface 25 is required to be close to the tail of the needle tube 2, and the situation that the insertion of the pogo pin 1 is not in place due to the blocking of the welding point of the connecting wire 10 by the inner wall of the positioning groove 52 is avoided.

Fixed orifices

51 and 2 lateral wall interference fit of needle tubing, fixed orifices 51 is the round hole, 2 front ends of needle tubing are the face of cylinder, the lateral wall of 2 front ends of needle tubing is provided with two chimbs 24 and step, this step sets up towards 2 afterbody of needle tubing, insert fixed orifices 51 at spring needle 1 from the rear end in, under the blockking of step and chimb 24, including constant head tank 52 tank bottom and the preceding terminal surface that blocks welding part 20, guarantee that spring needle 1 can not break away from in fixed orifices 51 and the constant head tank 52.

The position of the seat body 5 connected with the external circuit board 6 is provided with a positioning column 56 and a positioning block 57, the positioning column 56 is arranged between the two spring pins 1, and the two positioning blocks 57 are arranged below the two spring pins 1.

When the connector is assembled on the PCB 6, the second soldering surfaces 27 of the two pogo pins 1 are respectively dipped with tin through the openings 55 of the positioning slots 52, and then the second soldering surfaces 27 are soldered on the soldering lands of the PCB 6, and are positioned with the positioning holes on the PCB 6 by the positioning posts 56 of the base 5 during the process, so that the pogo pins 1 are stably connected with the PCB 6 after soldering.

The utility model has the advantages of reasonable structure, novel design, the practicality is strong, through a connecting wire 10 of welding between 3 afterbody of needle axle and 2 lateral walls of needle tubing for all the time be the state that the electrical property switched on between needle axle 3 and the needle tubing 2, do not have the condition of instantaneous interruption, paste on PCB circuit board through the second face of weld 27 of needle tubing afterbody, guarantee other components and parts of the flow direction PCB circuit board that current signal on the pogo pin can be stable.

The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications to the above embodiments are all within the scope of the present invention.

Claims

1. The utility model provides a 2Pin integral type pogo Pin connector, its characterized in that, includes the pogo Pin, the pogo Pin includes needle tubing, needle axle, spring and connecting wire, spring and needle axle are placed in proper order in the lumen of needle tubing, the both ends of spring support respectively to lean on the outer step in the interior step face of needle tubing and needle axle, the both ends of lumen are provided with two mouths of pipe, the contact end of needle hub portion and the welding end of afterbody expose from two mouths of pipe of needle tubing respectively, the afterbody an organic whole of needle tubing is provided with the weld part, the weld part is provided with at least one weld face, the both ends of connecting wire welded fastening respectively on the tail end of a weld face and needle axle, needle axle and needle tubing realize the normality through the connecting wire and switch on.

2. The 2Pin integrated pogo Pin connector of claim 1, wherein the soldering portion is a square, two soldering surfaces are disposed on two opposite outer sidewalls of the soldering portion, the two soldering surfaces include a first soldering surface and a second soldering surface, the first soldering surface is soldered to the connecting wire, and the second soldering surface is soldered to a soldering pad of the external circuit board.

3. The 2Pin integrated pogo Pin connector of claim 2, wherein the Pin shaft is integrally provided with a contact end, a sliding section, a connecting section and a welding end, the outer diameter of the sliding section is larger than that of the contact end, the outer side wall of the sliding section is slidably connected with the inner side wall of the needle tube, the spring is sleeved on the connecting section, an outer step contacting with the spring is provided between the connecting section and the sliding section, and the outer diameter of the welding end is smaller than that of the connecting section.

4. A 2Pin integrated pogo Pin connector as claimed in claim 3, further comprising a base body, two pogo pins are inserted into the base body at intervals, the base body is provided with a fixing hole, a positioning groove is provided at one side of the fixing hole, the pogo pins are inserted into the fixing hole and the positioning groove, two side inner walls of the positioning groove are provided with connecting surfaces, two opposite outer side walls of the welding portion are provided with positioning surfaces contacting the connecting surfaces, and the connecting surfaces and the positioning surfaces are parallel to each other.

5. A2 Pin integral type pogo Pin connector as claimed in claim 4, wherein the positioning groove is provided with an opening between two connection faces, the second welding face is exposed through the opening, the positioning groove is provided with a space avoiding portion at the other side opposite to the opening, a first welding face welded with the connection line is provided toward the space avoiding portion, and a gap is provided between the first welding face and the space avoiding portion.

6. A2 Pin integral pogo Pin connector as claimed in claim 5, wherein the depth of the clearance space is smaller than the depth of the positioning groove.

7. The 2Pin integrated pogo Pin connector of claim 4, wherein the fixing hole is interference-fitted with an outer sidewall of the needle tube.

8. The 2Pin integrated pogo Pin connector of claim 4, wherein the housing is provided with a positioning column and a positioning block at a position connected to the external circuit board, the positioning column is disposed between the two pogo pins, and the two positioning blocks are disposed below the two pogo pins.