CN109742578A

CN109742578A - A screw type socket connector

Info

Publication number: CN109742578A
Application number: CN201910159058.3A
Authority: CN
Inventors: 黄杨兵; 陈红
Original assignee: Amphenol Technology Shenzhen Co Ltd
Current assignee: Amphenol Technology Shenzhen Co Ltd
Priority date: 2019-03-04
Filing date: 2019-03-04
Publication date: 2019-05-10

Abstract

The invention discloses a kind of screw type j ack connectors, are related to connector technical field；Including metal thin-wall casing and outer tube, metal thin-wall casing is arranged in outer inside pipe casing；The metal tub body that metal thin-wall casing is integrally formed, includes multiple grizzly bars that front end, follower head and inclination are connected to front end and follower head, and multiple grizzly bars are uniformly distributed around cylindrical body central axis；Perforative strip-shaped hole is reserved between adjacent grizzly bar, guiding notch perforative, "Z"-shaped is provided in front end and follower head, one end of the guiding notch of front end, one end of the guiding notch of follower head are connected with the both ends of one of strip-shaped hole respectively, the other end of the guiding notch of the other end and follower head of the guiding notch of front end is realized front end and follower head and is divided respectively along the axially extending of metal thin-wall casing；The beneficial effects of the present invention are: can be avoided both ends occurs high bottom surface when carrying out torsion technique, the yield of product is improved.

Description

A kind of screw type j ack connector

Technical field

The present invention relates to connector technical fields, more particularly, it relates to a kind of screw type j ack connector.

Background technique

The jack of existing electric connector contact mainly uses elastic slice or reed structure, wherein such as adopting than more typical structure It is distorted with the hat spring socket of reed closing waist, and use punching press reed, both ends are pressed molding jack.

Current hat spring socket be elastic sheet metal punching press is divided by several both ends be connected and it is vertical with end face Metal strip composition paliform, then volume circle and by its middle part closing waist make each metal strip middle bent to axle center shrink, Form the structure being small at both ends and big in the middle.The hat spring socket of this structure contacts at its resilient metal strip drum waist with contact pin surface, Because being architectural limitation equably more steadily to contact with contact pin, lead to that contact engaging and separating force is larger, contact area is few, contact performance Low disadvantage.

In addition, in the prior art there are also the electric connector contact of helically type, the electric connector contact of this structure, It needs to reverse the metal strip of paliform by torsion technique.But electric connector contact in the prior art, into When row torsion, occurs high bottom surface in electric connector contact, the fraction defective of electric connector contact is high, wastes resources of production.

Summary of the invention

For overcome the deficiencies in the prior art, the present invention provides a kind of screw type j ack connector, which connects Fitting can be avoided both ends and occur high bottom surface when carrying out torsion technique, improve the yield of product, save resources of production, drop Low production cost.

The technical solution adopted by the present invention to solve the technical problems is: a kind of screw type j ack connector improves it Be in: including metal thin-wall casing and outer tube, metal thin-wall casing be arranged in outer inside pipe casing；

The metal tub body that the metal thin-wall casing is integrally formed includes front end, follower head and inclination Multiple grizzly bars of front end and follower head are connected to, multiple grizzly bars are uniformly distributed around cylindrical body central axis；The metal thin-wall set The diameter of pipe successively decreases from both ends to center, and the projection of axial cross section is in hyperbola；

It is reserved with perforative strip-shaped hole between the adjacent grizzly bar, is provided in the front end and follower head Guiding notch perforative, "Z"-shaped, one end of the guiding notch of front end, one end of the guiding notch of follower head are distinguished Be connected with the both ends of one of strip-shaped hole, front end guiding notch the other end and follower head guiding notch it is another Respectively along the axially extending of metal thin-wall casing, front end and follower head are realized and are divided in one end；

The front end outer surface is provided with multiple limit salient points, and a socket, and socket are provided on the outer tube Inner wall on be provided with limit salient point vertically identical limit hole, the limit salient point of metal thin-wall casing are caught in the limit of outer tube In the hole of position.

In such a configuration, the guiding notch is made of the first notch, the second notch and third notch；

Wherein the first notch and third notch are along the axial direction setting of metal thin-wall casing, the two ends difference of the second notch It is connected to one end of the first notch and third notch, the other end of third notch is connected to strip-shaped hole.

In such a configuration, second notch is vertical with one end of the first notch and third notch respectively connect.

In such a configuration, also there are multiple contact pin locating parts, the contact pin locating part is by front end on the front end The outer wall of head is stamped and formed out to the central axis direction of metal thin-wall casing, and is formed on the inner wall of front end to metal thin-wall set The protrusion of the central axis direction of pipe.

In such a configuration, the top of the contact pin locating part has the arcwall face of an indent, multiple contact pin limits The arcwall face of part is in using the central axis of metal thin-wall casing as in the center circle in the center of circle, and the center diameter of a circle and metal The smallest internal diameter of thin wall casing is equal.

In such a configuration, there is an inclination cambered surface, the inclination of multiple contact pin locating parts on the contact pin locating part Cambered surface is on the side of the same cone, and the central axis of the cone and the central axis of metal thin-wall casing coincide, And the vertex of cone is located at the side of front end.

In such a configuration, electroplated layer is provided on the outer surface of the metal thin-wall casing.

In such a configuration, the end face of the follower head is provided with multiple welderings radially extended along metal thin-wall casing Protrusion is connect, which is welded on the end face of the socket of the outer tube.

The beneficial effects of the present invention are: can be good at avoiding the guiding two sides of notch and the leading for follower head of front end There is high bottom surface to the two sides of notch, can significantly improve qualification of the metal thin-wall casing in production in this way Rate reduces the generation of waste product, has saved resources of production, reduces production cost.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of the metal thin-wall casing of screw type j ack connector of the invention.

Fig. 2 is a kind of diagrammatic cross-section of screw type j ack connector of the invention.

Fig. 3 is a kind of specific implementation example diagram of screw type j ack connector of the invention.

Specific embodiment

Present invention will be further explained below with reference to the attached drawings and examples.

It is carried out below with reference to technical effect of the embodiment and attached drawing to design of the invention, specific structure and generation clear Chu is fully described by, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair Bright a part of the embodiment, rather than whole embodiments, based on the embodiment of the present invention, those skilled in the art are not being paid Other embodiments obtained, belong to the scope of protection of the invention under the premise of creative work.In addition, being related in patent All connection/connection relationships, not singly refer to that component directly connects, and refer to can according to specific implementation situation, by addition or Reduce couple auxiliary, Lai Zucheng more preferably coupling structure.Each technical characteristic in the invention, in not conflicting conflict Under the premise of can be with combination of interactions.

Referring to Fig.1, Fig. 2, present invention discloses a kind of screw type j ack connectors, specifically, the screw type jack connects Part includes metal thin-wall casing 10 and outer tube 20, and metal thin-wall casing 10 is arranged inside outer tube 20, metal thin-wall casing 10 with the specific connection structure of outer tube 20, will be hereinafter further elucidated above.As shown in Figure 1, the metal thin-wall set The metal tub body that pipe 10 is integrally formed includes that front end 101, follower head 102 and inclination are connected to 101 and of front end Multiple grizzly bars 103 of follower head 102, multiple grizzly bars 103 are uniformly distributed around cylindrical body central axis；The metal thin-wall casing 10 Diameter successively decreases from both ends to center, and the projection of axial cross section is in hyperbola；It is reserved with and passes through between the adjacent grizzly bar 103 The strip-shaped hole 104 worn.During the manufacturing of metal thin-wall casing 10, choose the substrate of sheet, adjacent grizzly bar 103 it Between strip-shaped hole 104 by being stamped to form, then the substrate of sheet is crimped, forms the structure of tubular, strip-shaped hole 104 and cylinder The central axis of shape substrate is parallel, hereafter, the both ends of tubular substrate is distorted in the opposite direction, at this time metal thin-wall casing 10 Diameter successively decrease from both ends to center, and the projection of the axial cross section of metal thin-wall casing 10 be in hyperbola.

In such a configuration, as shown in Figure 1, be provided on the front end 101 and follower head 102 it is perforative, Guiding notch 105 "Z"-shaped, guiding one end of notch 105 of front end 101, the guiding notch 105 of follower head 102 One end is connected with the both ends of one of strip-shaped hole 104 respectively, front end 101 guiding notch 105 the other end and after The other end of the guiding notch 105 of end 102 is respectively along the axially extending of metal thin-wall casing 10, to front end 101 and rear end First 102 realize segmentation.

In the prior art, tubular metal connecting piece typically passes through punching press, crimps, for the ease of realizing Contact with contact pin requires in the opposite direction to distort the both ends of the metal connecting piece of tubular, and due to metalwork itself The presence of elastic force, during distortion, the both ends of metal connecting piece often will appear height face, and metal connecting piece can not then fill Enter in corresponding sleeve, leads to the generation of substandard products.In the present embodiment, due on front end 101 and follower head 102 be in " Z " from The presence of capable guiding notch 105, when distorting at the both ends of metal thin-wall casing 10 in the opposite direction, due to front end The presence of guiding notch 105 on 101 and the guiding notch 105 on follower head 102, in distortion, the guiding of front end 101 The two sides of notch 105 can be realized mutual guiding, and the two sides of the guiding notch 105 of follower head 102 also can be realized mutual guiding, There is the structure of high bottom surface in the two sides for also avoiding guiding notch 105 in this way.In the present embodiment, as shown in Figure 1, it is described Guiding notch 105 is made of the first notch 1051, the second notch 1052 and third notch 1053；Wherein 1051 He of the first notch Along the axial direction setting of metal thin-wall casing 10, the two ends of the second notch 1052 are connected to first and lack third notch 1053 One end of mouth 1051 and third notch 1053, the other end of third notch 1053 are connected to strip-shaped hole 104, second notch 1052 vertical with one end of the first notch 1051 and third notch 1053 respectively connect；When carrying out distortion technique, the first notch 1051 two medial surfaces fit, two medial surfaces of the second notch 1052 fit and two of third notch 1053 in Side fits, and can be good at the two sides for the guiding notch 105 for avoiding front end 101 and the guiding notch of follower head 102 There is high bottom surface in 105 two sides, can significantly improve qualification rate of the metal thin-wall casing 10 in production in this way, The generation for reducing waste product, has saved resources of production, reduces production cost.

For the connection structure of metal thin-wall casing 10 and outer tube 20, as shown in Fig. 2, specific real the present invention provides one Example is applied, 101 outer surface of front end is provided with multiple limit salient points 106, and limit salient point 106 is cylindrical, certainly, can also To be adjusted according to demand to it；It is provided with a socket 201 on the outer tube 20, and is provided on the inner wall of socket 201 With the vertical identical limit hole 202 of limit salient point 106, the limit salient point 106 of metal thin-wall casing 10 is caught in the limit of outer tube 20 In the hole 202 of position.

In the above-described embodiment, for the metal thin-wall casing 10, as shown in Figure 1, on the front end 101 Also there are multiple contact pin locating parts 107, the contact pin locating part 107 is from the outer wall of front end 101 into metal thin-wall casing 10 Mandrel direction is stamped and formed out, and forms on the inner wall of front end 101 protrusion of the central axis direction to metal thin-wall casing 10. Further, the top of the contact pin locating part 107 has the arcwall face of an indent, the arc of multiple contact pin locating parts 107 Face is in using the central axis of metal thin-wall casing 10 as in the center circle in the center of circle, as shown in Fig. 2, the center diameter of a circle is D1, the center diameter of a circle is equal with the smallest internal diameter of metal thin-wall casing 10, in the present embodiment, metal thin-wall casing 10 The smallest internal diameter is d2, d1=d2.By the design of this structure, as shown in figure 3, working as contact pin 30 from metal thin-wall casing 10 When being inserted into centre bore, the arcwall face on 107 top of contact pin locating part is then tightly attached on the outer surface of contact pin 30, on the one hand, contact pin Locating part 107 can be oriented to after contacting with contact pin 30, increase conductive area, so that resistance is reduced, on the other hand, contact pin limit Position part 107 has certain elasticity, and after contact pin 30 is inserted into, the elastic force of contact pin locating part 107 can be applied to the appearance of contact pin 30 Face in conjunction with more closely, while also increasing and leading so that even closer between metal thin-wall casing 10 and contact pin 30 be bonded Electric area, reduces resistance.In addition, in the above-described embodiment, as shown in Fig. 2, having one on the contact pin locating part 107 Cambered surface 1071 is tilted, the inclination cambered surface 1071 of multiple contact pin locating parts 107 is on the side of the same cone, and the circular cone The central axis of body and the central axis of metal thin-wall casing 10 coincide, and the vertex of cone is located at the side of front end 101；It is logical The design for crossing this structure, when contact pin 30 is inserted into, inclination cambered surface 1071 plays guiding role to contact pin 30, so that contact pin 30 Position in center, the dynamics for being applied to 10 everywhere of metal thin-wall casing is equal, to slow down metal thin-wall set The deformation that pipe 10 occurs in use, metal thin-wall casing 10 are able to use the longer time, improve service life.

In the above-described embodiment, as shown in Figure 1 and Figure 2, electricity is provided on the outer surface of the metal thin-wall casing 10 Coating, the end face of the follower head 102 are provided with multiple solder-bumps 108 radially extended along metal thin-wall casing 10, should Solder-bump 108 is welded on the end face of the socket 201 of the outer tube 20, in the present embodiment, as shown in Fig. 2, solder-bump 108 are resisted against on the end face of 20 socket 201 of outer tube, realize metal thin-wall casing 10 and outer tube 20 by welding It is fixedly connected, limits the cooperation of salient point 106 and limit hole 202, can be avoided metal thin-wall casing 10 before welding from socket 201 In fall off, also can be avoided metal thin-wall casing 10 and rotate relative to outer tube 20.Due to the presence of solder-bump 108, The end face of solder-bump 108 and 20 socket 201 of outer tube, which is realized, welds, will not will be with involving it outside electroplated layer when welding In, therefore metal thin-wall set can be avoided to avoid damaging caused by the electroplated layer of 10 outside of metal thin-wall casing when welding The problem that 10 resistance of pipe is high, fraction defective is high, in addition, solder joint when due to welding can be adopted in the outside of metal thin-wall casing 10 The temperature that welding section is quickly reduced with air-cooled mode avoids destruction of the high temperature to electroplated layer；Also, since welding section is not direct It is contacted with electroplated layer, also the additional contact area for increasing contact pin 30 Yu metal thin-wall casing 10, reduces resistance.

It is to be illustrated to preferable implementation of the invention, but the invention is not limited to the implementation above Example, those skilled in the art can also make various equivalent variations on the premise of without prejudice to spirit of the invention or replace It changes, these equivalent deformations or replacement are all included in the scope defined by the claims of the present application.

Claims

1. a screw type socket connector is characterized in that: comprise a metal thin-walled sleeve and an outer sleeve, and the metal thin-walled sleeve is arranged inside the outer sleeve;

The metal thin-walled sleeve is an integrally formed metal cylindrical body, including a front end head, a rear end head, and a plurality of grid bars obliquely connected to the front end head and the rear end head, and the plurality of grid bars surround the center of the cylindrical body. The shaft is evenly distributed; the diameter of the thin-walled metal sleeve decreases from both ends to the center, and the projection of its axial section is a hyperbola;

There are through-bar holes reserved between the adjacent grid bars, the front end and the rear end are provided with a penetrating, "Z"-shaped guide notch, and the guide notch of the front end is provided with a guide notch. One end and one end of the guide notch of the rear end are respectively communicated with the two ends of one of the strip holes, and the other end of the guide notch of the front end and the other end of the guide notch of the rear end are respectively along the axis of the metal thin-walled sleeve. Extending to the front end and the rear end of the head;

The outer surface of the front end head is provided with a plurality of limit bumps, the outer sleeve is provided with a socket, and the inner wall of the socket is provided with limit holes in the same vertical direction as the limit bumps. The limit bumps are snapped into the limit holes of the outer sleeve.

2. The screw type socket connector according to claim 1, wherein the guide notch is composed of a first notch, a second notch and a third notch;

The first gap and the third gap are arranged along the axial direction of the metal thin-walled sleeve, the head and tail ends of the second gap are respectively connected to one end of the first gap and the third gap, and the other end of the third gap is connected to the strip hole .

3 . The screw-type socket connector according to claim 2 , wherein the second notch is vertically connected to one end of the first notch and the third notch respectively. 4 .

4. A screw type socket connector according to claim 1, characterized in that: the front end head further has a plurality of pin stoppers, the pin stoppers are directed from the outer wall of the front end head to the The metal thin-walled sleeve is formed by stamping in the center axis direction, and a protrusion in the center axis direction of the metal thin-walled sleeve is formed on the inner wall of the front end head.

5 . The screw type socket connector according to claim 4 , wherein the top end of the pin stopper has a concave arc surface, and the arcs of the plurality of pin stoppers have a concave arc surface. 6 . The shape surfaces are all on the central circle with the central axis of the thin-walled metal sleeve as the center, and the diameter of the central circle is equal to the smallest inner diameter of the thin-walled metal sleeve.

6 . The screw type socket connector according to claim 4 , wherein the pin stopper has an inclined arc surface, and the inclined arc surfaces of the plurality of pin stoppers are in the same position. 7 . On the side of a cone, and the central axis of the cone coincides with the central axis of the thin-walled metal sleeve, and the apex of the cone is located on one side of the front head.

7 . The screw type socket connector according to claim 1 , wherein an electroplating layer is provided on the outer surface of the metal thin-walled sleeve. 8 .

8 . The screw socket connector according to claim 1 , wherein the end face of the rear end is provided with a plurality of welding protrusions extending radially along the metal thin-walled sleeve. The protrusion is welded on the end face of the socket of the outer sleeve.