CN210296676U

CN210296676U - Electrical connector

Info

Publication number: CN210296676U
Application number: CN201921701510.6U
Authority: CN
Inventors: 蔡友华
Original assignee: Xing Wan Lian Electronics Co ltd
Current assignee: Xing Wan Lian Electronics Co ltd
Priority date: 2019-10-11
Filing date: 2019-10-11
Publication date: 2020-04-10
Anticipated expiration: 2029-10-11

Abstract

The utility model discloses an electric connector, including lengthwise insulator, a plurality of metal terminals of fixing in insulator, and cladding in insulator's metal casing, insulator includes the side wall of two lengthens, forms card insertion groove between two side walls, a plurality of metal terminals are arranged along the side wall internal face, metal casing includes two longwalls of cladding at the outer wall of side wall, two longwall bases of metal casing are connected through the connecting portion of spaced, and two longwall tops and/or the tip of metal casing are detained on insulator. The utility model discloses an electric connector metal casing stamping die is simple, and is with low costs.

Description

Electrical connector

Technical Field

The utility model relates to an electric connector especially relates to a slot type electric connector.

Background

With the increasing signal transmission speed and the smaller overall dimension of the connector, the metal shell is added outside the connector for shielding and strengthening, so that the electromagnetic interference generated in the operation process of the connector is reduced, and the normal operation of the connector is ensured.

Chinese utility model patent CN201710196913.9 discloses a card edge connector, which comprises a lengthwise insulating body, a plurality of conductive terminals fixed in the insulating body, and a metal shell covering the insulating body. The metal shell is a thin plate formed by stamping and comprises two long walls, the two long walls are provided with positioning parts protruding outwards and pressing parts extending outwards and downwards, the tops of the two long walls are connected through a connecting part, the bottom edges of the two long walls are respectively provided with three first clamping hooks and three second clamping hooks which are bent inwards, the top edges of the two long walls are respectively provided with a first turnover part and a second turnover part which are turned inwards, and the first turnover part and the second turnover part are arranged along the longitudinal direction of the long walls and are close to the two ends of the long walls. The metal shell is fixed on the insulating body through the first and second turnover parts and the first and second clamping hooks. The disadvantages of such a card edge connector are: the metal shell stamping die is complex and high in cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an electric connector, metal casing stamping die is simple, and is with low costs.

In order to achieve the above object, the utility model provides an electric connector, including lengthwise insulator, a plurality of metal terminals of fixing in insulator and cladding in insulator's metal casing, insulator includes the side wall of two lengtheners, forms card insertion groove between two side walls, a plurality of metal terminals are arranged along the side wall internal face, metal casing includes two longwalls of cladding at the outer wall of side wall, two longwall bases of metal casing are connected through the connecting portion of spaced, and two longwall tops and/or the tip of metal casing are detained on insulator.

As a further improvement of the utility model, two long-wall bottom edges of the metal shell are respectively connected through one connecting part. The two long walls are prevented from moving upwards, so that the metal shell is firmly attached to the outer wall surface of the insulating body.

As a further improvement of the present invention, two long wall bases of the metal shell are respectively bent inward to extend to form a first buckling portion which is not connected to each other near the middle position, and the bottom surface of the insulating body is recessed to form a buckling groove for buckling the first buckling portion in the insulating body. The two long walls are prevented from moving upwards, so that the metal shell is firmly attached to the outer wall surface of the insulating body.

As a further improvement, the two ends of the two long walls of the metal shell are respectively provided with a clamping part which is bent inwards and extends to form, and the outer wall surface of the side wall of the two lengthwise long walls of the insulating body is provided with a clamping groove which is used for inserting and fixing the corresponding clamping part into the inner clamping groove. The two long walls are prevented from moving upwards, so that the metal shell is firmly attached to the outer wall surface of the insulating body.

As a further improvement, the top edges of the two long walls of the metal shell are respectively bent towards the card insertion slot to extend perpendicularly to form a buckling part two of the top surface of the corresponding side wall of the insulating body, and the length of the buckling part two along the longitudinal direction of the insulating body is greater than the width of the buckling part one along the longitudinal direction of the insulating body. The two long walls can be prevented from moving upwards, and the metal shell is firmly attached to the outer wall surface of the insulating body.

As a further improvement of the present invention, the two ends of the two long walls of the metal shell are respectively bent in opposite directions to form a third buckling part buckled on the end surface of the corresponding side wall of the insulating body. The two long walls can be prevented from moving upwards, so that the metal shell is firmly attached to the outer wall surface of the insulating body.

As a further improvement, the both ends of two longwalls of metal casing are in opposite directions perpendicular bending type respectively and are formed the free end wall that does not connect each other, and the free end wall at two longwalls both ends is pasted respectively and is covered on the terminal surface of the corresponding side wall of insulator, has the interval of stepping down between connecting portion and the free end wall, is connected with one by the upside of endwall separately the portion three is held in the knot. Two free end walls are added on the basis of the two long walls, so that the insulating body can be basically coated in the insulating body, a good shielding effect is realized, electromagnetic interference generated in the operation process of the electric connector is reduced, and the normal operation of the electric connector is ensured.

As a further improvement of the utility model, insulator's both ends have the ear and detain the installation department, and the free end wall at two longwall both ends is pasted respectively and is covered on the terminal surface of the ear knot installation department at insulator's both ends, and the end face of ear knot installation department is opened there is the ear catching groove, and the ear catching groove is located the free end wall top, and the three portions of detaining at two longwall both ends of metal casing are equallyd divide do not buckle and the diapire of the three downside of the three portions of detaining support the ear catching groove towards corresponding ear catching groove, and the card is blocked the groove and is seted up in the outer wall lower part of ear knot installation department and run through insulator. The third buckling part is bent towards the inside of the ear buckling groove, and the lower side of the third buckling part abuts against the bottom wall of the ear buckling groove, so that the two long walls can be prevented from moving upwards, and the metal shell can be firmly attached to the outer wall surface of the insulating body.

As a further improvement, the top edges at the two long-wall ends of the metal shell extend upwards to form an extension part, the extension part is attached to the upper part of the outer wall surface of the ear clip installation part, the extension part is provided with a hole, and the clamping part is integrally connected with the lower edge of the hole. The extension part can enlarge the area of the metal shell coated on the insulating body so as to realize good shielding effect, reduce the electromagnetic interference generated in the operation process of the electric connector and ensure the normal operation of the electric connector.

As a further improvement of the present invention, the included angle between the two long walls of the metal shell and the connecting portion is smaller than 90 degrees, and the included angle between the two long walls of the metal shell is smaller than 90 degrees. So that the metal shell is flatly attached to the insulating body after being assembled on the insulating body.

Compared with the prior art, the utility model discloses an electric connector's beneficial effect as follows:

(1) the metal shell structure is simpler, the stamping grinding tool of the metal shell is simpler, and the design cost of the die is lower.

(2) Two longwall hemlines of the metal shell are connected through the connecting parts at intervals to the connecting parts support the bottom of the insulating body, and the tops and/or the ends of the two longwalls are buckled on the insulating body, so that the metal shell can be upwards and firmly installed on the outer wall of the insulating body from the bottom of the insulating body, and the assembly is simple and convenient.

The invention will become more apparent from the following description when taken in conjunction with the accompanying drawings which illustrate embodiments of the invention.

Drawings

Fig. 1 is an exploded perspective view of the electrical connector of the present invention.

Fig. 2 is a first perspective view of the metal shell.

Fig. 3 is a second perspective view of the metal shell.

Fig. 4 is a left side view of the metal housing.

Fig. 5 is a first perspective view of the metal shell and the insulating body when they are mated.

Fig. 6 is a second perspective view of the metal shell and the insulating body when they are mated.

Fig. 7 is an enlarged view of the position a shown in fig. 6.

Detailed description of the embodiments reference is made to the accompanying drawings in which:

the electronic card connector comprises an insulating body 1, a side wall 11, a card inserting slot 12, an ear buckle mounting part 13, an ear buckle slot 131, a buckling slot 14, a clamping slot 15, a metal terminal 2, a metal shell 3, a long wall 31, a connecting part 32, a first buckling part 33, a second buckling part 34, a clamping part 35, an extending part 36, an opening 361, a free end wall 37, a receding interval 38, an electronic card 4 and a circuit board 5.

Detailed Description

Embodiments of the present invention will now be described with reference to the drawings, wherein like element numerals represent like elements throughout.

Referring to fig. 1-7, the electrical connector includes a longitudinal insulative housing 1, a plurality of metal terminals 2 retained in the insulative housing 1, and a metal shell 3 covering the insulative housing 1.

The insulating body 1 comprises two longitudinal side walls 11, and a card insertion slot 12 is formed between the two side walls 11. The both ends of insulator 1 have ear to detain installation department 13, ear is detained the terminal surface of installation department 13 and is opened ear catching groove 131, and the terminal surface of ear knot installation department 13 is also the terminal surface at the length direction's of side wall 11 both ends promptly. The bottom surface of the insulating body 1 is recessed near the middle to form two buckling grooves 14 parallel to each other along the width direction of the insulating body 1. Clamping grooves 15 are respectively formed in the outer wall surfaces of the two longitudinal side walls 11 of the insulating body 1 at positions close to the two ends, and the clamping grooves 15 are formed in the lower portion of the outer wall surface of the ear clip mounting portion 13 and penetrate through the bottom surface of the insulating body 1. The outer wall surface of the sidewall 11 is the outer side surface of the sidewall 11 coinciding with the longitudinal direction.

The metal terminals 2 include a current conducting terminal, a signal conducting terminal and a grounding shielding terminal, and the metal terminals 2 are arranged along the inner wall surface of the side wall 11 and are used for electrically connecting the electronic card 4 with the circuit board 5.

The metal shell 3 comprises two long walls 31 coated on the outer wall surface of the side wall 11, and the bottom edges of the two long walls 31 of the metal shell 3 are connected through a spacing type connecting part 32. Specifically, two ends of the bottom edge of the two long walls 31 of the metal shell 3 are respectively connected by one connecting portion 32, so that the two long walls 31 are prevented from moving upwards, and the metal shell 3 is firmly attached to the outer wall surface of the insulating body 1. The bottom edges of the two long walls 31 of the metal shell 3 close to the middle position are respectively bent inwards and extend upwards to form a first buckling part 33 which is not connected with each other, and the first buckling part 33 is buckled in the corresponding buckling groove 14 which is sunken on the bottom surface of the insulating body 1, so that the two long walls 31 are prevented from moving upwards, and the metal shell 3 is firmly stuck on the outer wall surface of the insulating body 1. The two long walls 31 are not connected between the first buckling part 33 and the connecting part 32, so that the material and the cost are saved. The top edges of the two long walls 31 of the metal shell 3 are bent and extended vertically towards the card insertion slot 12 to form a second buckling part 34 buckled on the top surface of the corresponding side wall 11 of the insulating body 1, so that the two long walls 31 are prevented from moving downwards, and the metal shell 3 is firmly attached to the outer wall surface of the insulating body 1. The length of the second buckling part 34 along the longitudinal direction of the insulating body 1 is greater than the width of the first buckling part 33 along the longitudinal direction of the insulating body 1, so that the metal shell 3 is more firmly installed on the outer wall of the insulating body 1. The included angle a between the two long walls 31 of the metal shell 3 and the connecting portion 32 is smaller than 90 degrees, and the included angle b between the two long walls 31 of the metal shell 3 is smaller than 90 degrees, so that the metal shell 3 can be assembled on the insulation body 1 and then flatly attached to the insulation body 1.

The two ends of the two long walls 31 of the metal shell 3 are respectively provided with a clamping part 35 which is formed by bending inwards and extending upwards, and each clamping part 35 is inserted upwards from the bottom surface of the insulation body 1 and fixed in the clamping groove 15 of the insulation body 1, so that the two long walls 31 are prevented from moving upwards, and the metal shell 3 is firmly attached to the outer wall surface of the insulation body 1. The top edges of the two ends of the two long walls 31 of the metal shell 3 extend upwards to form extending parts 36, the extending parts 36 are attached to the upper part of the outer wall surface of the ear buckle installation part 13, the area of the metal shell 3 covering the insulation body 1 is enlarged, a good shielding effect is achieved, electromagnetic interference generated in the operation process of the electric connector is reduced, and the normal operation of the electric connector is guaranteed. The extension 36 has an opening 361, and the holder 35 is integrally connected to a lower edge of the opening 361.

Two ends of the two long walls 31 of the metal shell 3 are respectively bent perpendicularly and oppositely to form free end walls 37 which are not connected with each other, and a yielding interval 38 is arranged between the connecting part 32 and the free end walls 37. The free end walls 37 at the two ends of the two long walls 31 are respectively attached to the end surfaces of the ear buckle installation parts 13 at the two ends of the insulating body 1, and the two long walls 31 and the two free end walls 37 can basically coat the insulating body 1, so that a good shielding effect is realized, electromagnetic interference generated in the operation process of the electric connector is reduced, and the normal operation of the electric connector is ensured. Free end wall 37 is located below ear catch groove 131. The upper side of each free end wall 37 is connected with a third buckling part 39, the third buckling part 39 is bent towards the inside of the ear buckling groove 131, and the lower side of the third buckling part 39 abuts against the bottom wall of the ear buckling groove 131, so that the two long walls 31 are prevented from moving upwards, and the metal shell 3 is firmly attached to the outer wall surface of the insulating body 1.

In other embodiments, only the second clasp 34, or only the third clasp 39, may be used to limit the upward displacement of the two long walls 31.

The present invention has been described above with reference to the preferred embodiments, but the present invention is not limited to the above-disclosed embodiments, and various modifications, equivalent combinations, which are made according to the essence of the present invention, should be covered.

Claims

1. The utility model provides an electric connector, includes the insulator of lengthwise, fixes a plurality of metal terminals in the insulator and wraps in the metal casing of insulator, the insulator includes the side wall of two lengthways, forms the card slot of pegging graft between two side walls, a plurality of metal terminals are arranged along the side wall internal face, the metal casing includes two longwalls of cladding at the side wall outer wall face, its characterized in that: the bottom edges of the two long walls of the metal shell are connected through a spacing type connecting part, and the tops and/or the ends of the two long walls of the metal shell are buckled on the insulating body.

2. The electrical connector of claim 1, wherein: two ends of the bottom edges of the two long walls of the metal shell are respectively connected through the connecting part.

3. The electrical connector of claim 2, wherein: the bottom edges of the two long walls of the metal shell are respectively bent inwards to extend to form a first buckling part which is not connected with each other, and the bottom surface of the insulating body is sunken to form a buckling groove for buckling the first buckling part in the insulating body.

4. The electrical connector of claim 3, wherein: the two ends of the two long walls of the metal shell are respectively provided with a clamping part which is formed by bending and extending inwards, and the outer wall surfaces of the two longitudinal side walls of the insulating body are provided with clamping grooves for inserting and fixing the corresponding clamping parts into.

5. The electrical connector of any one of claims 1 to 4, wherein: the top edges of the two long walls of the metal shell are respectively bent towards the card insertion slot to vertically extend to form a second buckling part buckled on the top surface of the corresponding side wall of the insulating body, and the length of the second buckling part along the longitudinal direction of the insulating body is greater than the width of the first buckling part along the longitudinal direction of the insulating body.

6. The electrical connector of any one of claims 1 to 4, wherein: and two ends of the two long walls of the metal shell are respectively bent oppositely to form a buckling part III buckled on the end face of the corresponding side wall of the insulating body.

7. The electrical connector of claim 6, wherein: the two ends of the two long walls of the metal shell are respectively and vertically bent in opposite directions to form free end walls which are not connected with each other, the free end walls at the two ends of the two long walls are respectively attached to the end faces of the corresponding side walls of the insulating body, a yielding interval is arranged between the connecting part and the free end walls, and the upper sides of the end walls are respectively connected with a buckling part III.

8. The electrical connector of claim 7, wherein: the both ends of insulator have the ear to detain the installation department, the free end wall at two longwall both ends pastes respectively on the terminal surface of covering the ear knot installation department at insulator's both ends, the end surface of ear knot installation department is opened there is the ear catching groove, the ear catching groove is located free end wall top, the three portions of detaining at two longwall both ends of metal casing are equallyd divide do not buckle towards corresponding ear catching inslot and the downside of detaining three portions supports the diapire of holding the ear catching groove, the outer wall lower part of ear knot installation department is seted up and is run through insulator's bottom surface to the card groove.

9. The electrical connector of claim 8, wherein: the top edges of two ends of the two long walls of the metal shell extend upwards to form extending parts, the extending parts are attached to the upper parts of the outer wall surfaces of the ear buckle mounting parts, the extending parts are provided with openings, and the clamping parts are integrally connected with the lower edges of the openings.

10. The electrical connector of any one of claims 1 to 3, wherein: the included angle between the two long walls of the metal shell and the connecting part is smaller than 90 degrees, and the included angle between the two long walls of the metal shell is smaller than 90 degrees.