CN215645102U - Low-current double-end piece type jack structure - Google Patents

Abstract

The utility model relates to a small-current double-end sheet type jack structure which comprises an external support member and internal reeds, wherein the internal reeds are installed in the external support member, two ends of each internal reed are used for being in plug-in fit with an adaptive sheet type contact pin, a fixing part is arranged on the external support member, and the fixing part is matched with an external shell to limit the overall jack structure.

Description

Low-current double-end piece type jack structure

Technical Field

The utility model belongs to the field of electric connectors, and particularly relates to a low-current double-end-piece type jack structure.

Background

The core component of the electrical connector is the contact, which directly affects the electrical transmission reliability of the connector. The tail of the existing small current connector contact element mostly adopts a crimping mode, so that the compatibility of the contact element is poor, one crimping contact element can only be matched with one shell, various contact elements are required when various requirements such as a straight type requirement and a bent type requirement exist, in addition, when other tail end connection modes exist, a new contact element needs to be produced again like ultrasonic welding, the small current contact element, particularly a jack type, generally adopts a sheet type structure, the cost of a die is very high, and the cost of the product is increased. In addition, the general sheet type contact element is assembled in a multi-sheet structure in a riveting or welding mode, the assembling difficulty is high, and the assembling efficiency is low.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide a low-current double-end sheet type jack structure which solves the technical problems of complex processing technology, high cost and low assembly and production efficiency.

The purpose of the utility model is realized by adopting the following technical scheme. According to the small-current double-end-piece type jack structure provided by the utility model, the jack structure comprises an external support part and an internal reed arranged in the external support part, the external support part is provided with a fixing part, and the fixing part is matched with an external shell to limit the whole jack structure.

Further, the external support member is a first external support member 1, the internal reed is a first internal reed 2 which is installed in the first external support member jack 101 and two ends of which are used for being in plug-in fit with the adaptive sheet type contact pin, and the fixing part is a first clamping lug 103 which is bent towards the outer side of the first external support member 1;

the front end of the first internal reed 2 is relatively provided with a plurality of first contact fingers 201 arranged at intervals along the width direction of the first internal reed 2, and the rear end is relatively provided with a plurality of tail contact fingers 202 arranged at intervals along the width direction of the first internal reed 2 and connected with the tail contact fingers 202 positioned at two sides.

Further, the front end of the first external support 1 has an external sheath head contact finger 102 elastically abutting against the first contact finger 201 to enhance the contact force between the first contact finger 201 and the corresponding chip pin, and the rear end of the first external support 1 has an external sheath tail contact finger 105 elastically abutting against the tail contact finger 202 to enhance the contact force between the tail contact finger 202 and the corresponding chip pin.

Further, the upper and lower surfaces of the first external supporting member 1 are respectively provided with a second clamping lug 104; the upper and lower surfaces of the first internal spring leaf 2 are respectively provided with a first mounting hole 206 corresponding to the second clamping lug 104, and the second clamping lug 104 is matched with the first mounting hole 206 to complete the limit of the first internal spring leaf 2 and the first external support member 1.

Further, the external support member is a second external support member 3, the internal spring is a second internal spring 4 which is installed in the second external support member 3 and both ends of which can be in plug-in fit with the adaptive sheet type pin, and the fixing part is a spring plate 301 which is bent towards the outside of the second external support member 3.

Further, the front end and the rear end of the second internal spring 4 are symmetrically arranged, and the front end and the rear end of the second internal spring 4 are relatively provided with a conductive clamping piece 401 which is spliced with the adaptive sheet type contact pin.

Further, a buckle 302 is arranged on the second external support 3, a second mounting hole 404 corresponding to the buckle 302 on the second external support 3 is arranged on the second internal spring 4, and the buckle 302 and the second mounting hole 404 are matched to fix the second internal spring 4 in the second external support 3.

Further, both sides of the front end of the second external support member 3 are provided with a bending portion 303, and the front end of the second internal spring 4 is matched with the bending portion 303 to limit the position of the second internal spring 4 in the second external support member 3.

Further, the end of the conductive clip 401 is also provided with a protrusion 405 for abutting against the inner wall of the second external support 3.

By means of the technical scheme, the utility model has the advantages that:

1. all be provided with the fixed part of buckling to the outside support piece outside on first outside support piece and the first outside support piece, fixed part and outside casing cooperation have realized spacing to whole jack structure.

2. Compared with the common jack, the double-head chip jack can realize that two heads can be oppositely inserted with contact pins, so that only a tail contact pin contact element is newly arranged according to different termination modes, and the jack with higher processing cost is not required to be newly arranged.

3. First inside reed adopts integral type shaping, first outside support piece to adopt integrative stamping forming structure, can greatly reduced assembly degree of difficulty, improvement assembly efficiency.

4. The first external supporting piece is made of stainless steel with high strength, so that the first internal reed is strongly supported, and the service life of the jack is prolonged; the first internal spring is made of high-conductivity copper, so that the jack can have good elasticity in the long-term use process.

5. The second external supporting piece and the second internal reed are integrally formed by stamping, so that the assembly difficulty is greatly reduced, and the assembly efficiency is improved.

6. The second internal reed is made of a high-conductivity copper material, so that the conductivity is high; the second external supporting piece is made of stainless steel materials, the strength of the second external supporting piece is far higher than that of high-conductivity copper materials used by the second internal reed, and sufficient supporting force can be provided for the second internal reed in the long-term use process.

7. The both sides of the outside support piece front end of second all are provided with the kink, and the inside reed front end of second cooperates with the kink and has realized that the inside reed of second is spacing in the outside support piece of second.

8. The rear end of the jack expands and the front end of the jack contracts under the action of the inserting force of the contact pin; when another sheet type pin is inserted from the front end of the utility model, the action direction of the inserting force is just opposite to that of the inserting from the rear end of the jack structure, thereby increasing the holding force of the sheet type pin at the rear end of the jack, increasing the self inserting and pulling force and ensuring the contact reliability.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a perspective view of an embodiment 1 of a low current dual-ended chip jack structure of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

figure 3 is a perspective view of a first internal spring leaf;

FIG. 4 is a perspective view of a first external support;

fig. 5 is a perspective view of an embodiment 2 of a low current dual-ended chip jack structure of the present invention;

FIG. 6 is a cross-sectional view of FIG. 5;

figure 7 is a perspective view of a second internal spring leaf;

FIG. 8 is a perspective view of a second external support;

[ reference numerals ]

1-a first external support member, 101-a first external support member insert, 102-an external sheath head contact finger, 103-a first tab, 104-a second tab, 105-an external sheath tail contact finger, 106-a first contact, 107-a second contact, 108-a first contact portion, 2-a first internal reed, 201-a first contact finger, 202-a tail contact finger, 203-a first front jack, 204-a first rear jack, 205-a connection portion, 206-a first mounting hole, 3-a second external support member, 301-a reed, 302-a buckle, 303-a bending portion, 4-a second internal reed, 401-a conductive clip, 402-a second front jack, 403-a second rear jack, 404-a second mounting hole, 405-a protrusion, 406-second contact, 407-third contact.

Detailed Description

To further illustrate the technical means and effects of the present invention for achieving the intended purpose of the present invention, the following detailed description will be given to specific embodiments, structures, features and effects of a small current dual-head sheet type jack structure according to the present invention with reference to the accompanying drawings and preferred embodiments.

Example 1:

referring to fig. 1 to 4, a low-current double-end-piece type jack structure includes a first external support member 1 and a first internal spring piece 2 installed in a jack 101 of the first external support member and having two ends capable of being in plug-in fit with a contact of an adaptive contact pin, wherein the first internal spring piece 2 adopts an integral forming structure, and the first external support member 1 adopts an integral punch forming structure, so that the assembly difficulty can be greatly reduced, and the assembly efficiency can be improved; first outside support piece 1 adopts the stainless steel that intensity is higher, for first inside reed 2 provides powerful support, improves the life of jack, and first inside reed 2 material is high to lead copper, can guarantee that the jack has good elasticity in long-term use. The first internal reed 2 comprises two first internal sub-reeds which are symmetrically arranged, the middle parts of the two first internal sub-reeds are fixedly connected, the front end of the first internal reed 2 is provided with a plurality of first contact fingers 201 which are arranged at intervals along the width direction of the first internal reed 2 from top to bottom, the first contact fingers 201 are provided with first contacts 106, and the first contact fingers 201 are longer, so that the front part which is frequently plugged can have smaller plugging force; the rear end of the first internal reed 2 is provided with a plurality of tail contact fingers 202 arranged at intervals along the width direction of the first internal reed 2 from top to bottom, the tail contact fingers 202 are provided with second contacts 107, the tail contact fingers 202 are short due to the fact that general plugging and unplugging are not frequent, and the tail contact fingers 202 in the embodiment are provided with three end portions which are located on two sides of the tail contact fingers 202 and connected with each other. Therefore, both the front and rear ends of the first internal spring piece 2 form a piece type jack structure that can be plugged with the pin contact piece, i.e., a first front end jack 203 and a first rear end jack 204 shown in fig. 3.

As shown in fig. 2, the connection portions 205 of the two connected tail contact fingers 202 abut against the inner wall of the insertion hole 101 of the first external support member, and the connection portions 205 are supported by the first contact portions 108 on the first external support member 1.

The front end of the first external support member 1 is relatively provided with a plurality of external sheath head contact fingers 102, in the embodiment, three external sheath contact fingers 102 are arranged and correspond to the first contact fingers 201 on the first internal reed 2 one by one, and the external sheath head contact fingers 102 are elastically abutted against the first contact fingers 201 to enhance the contact force between the first contact fingers 201 and the corresponding contact pin contact members; the first external supporting member 1 has a plurality of external sheath tail contact fingers 105 at the rear end, and the external sheath tail contact fingers 105 are abutted with the tail contact fingers 202 on the first internal spring piece 2 to enhance the contact force of the tail contact fingers 202 corresponding to the pin contacts. The upper surface and the lower surface of the middle part of the first external support member 1 are also provided with first clamping lugs 103 which are respectively bent towards the outside of the first external support member 1, and the first clamping lugs 103 are matched with parts such as an external shell to realize the limit of the jack component.

The upper and lower surfaces of the first external support member 1 are further provided with a plurality of second lugs 104 (not all shown in fig. 4) which are respectively bent towards the inside of the first external support member 1, and the upper and lower surfaces of the middle part of the first internal spring leaf 2 are respectively provided with first mounting holes 206 which are matched with the second lugs 104; during the assembly, second card ear 104 falls into first mounting hole 206 in order to accomplish spacing and the whole installation of first inside reed 2 and first outside support piece 1 and target in place, and the lateral wall of first inside reed 2 and the inside wall contact cooperation of first outside support piece 1 are in order to prevent that first inside reed 2 from rocking about. After the assembly is completed, the contact finger 102 at the head of the outer sheath is clamped on the surface of the first contact finger 201, so that the first contact finger 201 generates elastic deformation and forms a certain pretightening force, and the contact force when the first contact finger is inserted into the adaptive contact pin contact element is increased.

The first external supporting member 1 and the first internal spring plate 2 are stressed to deform and have a certain gap after being matched, so that when the adaptive pin contact piece is inserted from the tail end of the utility model along the direction i, a lever structure taking C1 as a support is formed, wherein C1 is all contact points between the first external supporting member 1 and the first internal spring plate 2 in the width direction of the lever structure; under the action of the inserting force of the sheet type pin, the rear ends of the first external supporting piece 1 and the first internal reed 2 expand along the k direction, the first internal reed 2 drives the tail contact finger 202 to expand, the rear end of the first internal reed 2 is limited by the first contact part 18 at the tail end of the first external supporting piece 1 to increase the contact force to the pin contact piece when expanding, and the front ends of the first external supporting piece 1 and the first internal reed 2 contract along the m direction under the action of a lever; when another chip pin is inserted from the front end of the utility model along the j direction, the action direction of the insertion force is just opposite to that of the insertion from the i direction, thereby increasing the holding force of the tail pin contact piece and increasing the self insertion and extraction force. Two ends of the first inner reed 2 can be matched with the contact pin, the jack can be unchanged, and different termination forms or different straight and bent shell bodies can be matched only by changing the contact piece of the tail contact pin.

Example 2:

referring to fig. 5 to 8, in the present embodiment, the jack has a bilateral structure, and includes a second external supporting member 3 and a second internal spring 4 installed in the second external supporting member 3 and having two ends capable of being inserted into and matched with the adaptive pin contact, the second external supporting member 3 and the second internal spring 4 are formed by integral stamping, so that the assembly difficulty can be greatly reduced, the assembly efficiency can be improved, and the second internal spring 4 is made of a high-copper material and has high electrical conductivity; the second external supporting member 3 is made of stainless steel material, the strength of the second external supporting member is far higher than that of the high-conductivity copper material used by the second internal spring 4, and the second external supporting member can provide enough supporting force for the second internal spring 4 in the long-term use process.

The upper surface and the lower surface of the second external support member 3 are oppositely provided with elastic sheets 301 which are respectively bent towards the outer side of the second external support member 3, and the elastic sheets 301 are matched with parts such as an external shell to realize the limit of the jack component; the 3 lateral parts of second outside support piece set up the through-hole, and the through-hole both sides all are fixed with the buckle 302 that buckles to the inside of second outside support piece 3, and the both sides of the 3 front end of second outside support piece all are provided with the kink 303 to the inside buckle of second outside support piece 3, thereby it is spacing to carry out the butt cooperation with kink 303 in the inside kink 303 of the entering of the inside reed of second 4 front ends of second realizes the inside reed of second in second outside support piece 3.

The second internal reed 4 comprises two second internal sub-reeds which are symmetrically arranged, and the middle parts of the two second internal sub-reeds are fixedly connected; the front end and the rear end of the second internal reed 4 are symmetrically arranged, the structure is the same, the front end and the rear end of the second internal reed 4 are provided with a conductive clamping piece 401 which is connected with the adaptive pin contact element in an up-down mode, and the conductive clamping piece 401 is provided with a third contact 407, so that the front end and the rear end of the second internal reed 4 form a sheet type jack structure which can be connected with the pin contact element in an inserting mode, namely, the second front end jack 402 and the second rear end jack 403 shown in fig. 7 are identical in structure, the front end and the rear end of the second internal reed 4 are provided with conductive clamping pieces 401, so that the jacks can realize double-end opposite insertion, and the insertion and extraction force is balanced and soft. The conductive clip 401 is also provided with protrusions 405 on both sides of its end for abutting against the inner wall of the end of the second external support.

Both sides of the middle part of the second internal reed 4 are provided with second mounting holes 404 corresponding to the buckles 302 on the second external support 3, when the second internal reed 4 is arranged in the second external support 3, the buckles 302 are matched with the second mounting holes 404, the front end of the second internal reed 4 enters the bent part 303 and is abutted against the bent part 303, the bulge on the conductive clip bulge 405 at the front end of the second internal reed 4 is abutted against the second external support 3 so as to realize the limit and the fixation of the second internal reed in the second external support 3, and the side wall of the second internal reed 4 is in contact fit with the inner side wall of the second external support 3 so as to prevent the first internal reed 2 from shaking left and right; in addition, the elastic sheet 301 on the second external support member 3 is matched with parts such as an external shell to realize the limit of the jack component, so that the assembly of the second internal spring 4 and the second external support member 3 is completed.

When the mating pin contact is inserted from the rear end of the receptacle structure of this embodiment, a lever structure supported by C2 is formed, wherein C2 is all the contact points between the second external support 3 and the second internal spring 4 in the width direction thereof; under the action of the insertion force of the pin contact element, the rear ends of the second external support element 3 and the second internal spring plate 4 expand along the k direction, the second internal spring plate 4 is provided with a conductive clamping piece 401 to expand, and when the rear end of the second internal spring plate 4 expands, the rear end of the second internal spring plate is limited by a bulge 405 and a second contact part 406 at the tail end of the second external support element 3 to increase the contact force on the pin contact element, and under the action of a lever, the front ends of the second external support element 3 and the second internal spring plate 4 contract along the m direction; when another chip pin is inserted from the front end of the utility model along the j direction, the action direction of the insertion force is just opposite to that of the insertion from the i direction, thereby increasing the holding force of the tail pin contact piece and increasing the self insertion and extraction force.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art can make any simple modification, equivalent change and modification to the above embodiments according to the technical essence of the present invention without departing from the scope of the present invention, and still fall within the scope of the present invention.

Claims (9)

1. The utility model provides a low current double-end piece formula jack structure which characterized in that: including outside support piece, install in outside support piece and both ends all be used for with the inside reed of adaptation piece formula contact pin grafting complex, be provided with fixed part on the outside support piece, fixed part realizes spacing to whole jack structure with the cooperation of outside casing.

2. A low current dual-ended chip jack structure according to claim 1, wherein: the external support piece is a first external support piece, the internal reed is a first internal reed which is arranged in a jack of the first external support piece, two ends of the internal reed are used for being in plug-in fit with the adaptive sheet type contact pin, and the fixing part is a first clamping lug bent towards the outer side of the first external support piece;

the front end of the first internal reed is relatively provided with a plurality of first contact fingers arranged at intervals along the width direction of the first internal reed, and the rear end of the first internal reed is relatively provided with a plurality of tail contact fingers arranged at intervals along the width direction of the first internal reed and positioned at two sides.

3. A low current dual-ended chip jack structure according to claim 2, wherein: the front end of the first external support piece is provided with an external sheath head contact finger which is elastically abutted with the first contact finger to enhance the contact force between the first contact finger and the corresponding sheet type contact pin, and the rear end of the first external support piece is provided with an external sheath tail contact finger which is elastically abutted with the tail contact finger to enhance the contact force between the tail contact finger and the corresponding sheet type contact pin.

4. A low current dual-ended chip jack structure according to claim 2, wherein: the upper surface and the lower surface of the first external supporting piece are respectively provided with a second clamping lug; the upper surface and the lower surface of the first internal reed are respectively provided with a first mounting hole corresponding to the second clamping lug, and the second clamping lug is matched with the first mounting hole to limit the first internal reed and the first external supporting piece.

5. A low current dual-ended chip jack structure according to claim 1, wherein: the external support piece is a second external support piece, the internal reeds are the second internal reeds which are installed in the second external support piece and both ends of which can be in plug-in connection with the adaptive sheet type contact pin, and the fixing part is an elastic sheet bent towards the outer side of the second external support piece.

6. A low current dual-ended chip jack structure according to claim 5, wherein: the front end and the rear end of the second internal reed are symmetrically arranged, and the front end and the rear end of the second internal reed are oppositely provided with conductive clamping pieces which are spliced with the adaptive piece type contact pin.

7. A low current dual-ended chip jack structure according to claim 5, wherein: the second external support member is provided with a buckle, the second internal reed is provided with a second mounting hole corresponding to the buckle on the second external support member, and the buckle is matched with the second mounting hole to fix the second internal reed in the second external support member.

8. A low current dual-ended chip jack structure according to claim 5, wherein: the front end of the second external support part is provided with a bending part, and the front end of the second internal spring is matched with the bending part to limit the position of the second internal spring in the second external support part.

9. A low current dual-ended chip jack structure according to claim 5, wherein: the end of the conductive clip is also provided with a protrusion for abutting against the inner wall of the second external support.

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