CN219892440U - Electric connector and connector assembly - Google Patents
Electric connector and connector assembly Download PDFInfo
- Publication number
- CN219892440U CN219892440U CN202320737165.1U CN202320737165U CN219892440U CN 219892440 U CN219892440 U CN 219892440U CN 202320737165 U CN202320737165 U CN 202320737165U CN 219892440 U CN219892440 U CN 219892440U
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- China
- Prior art keywords
- base
- shell
- contact
- metal shell
- ring
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Links
- 229910052751 metal Inorganic materials 0.000 claims abstract description 66
- 239000002184 metal Substances 0.000 claims abstract description 66
- 239000012212 insulator Substances 0.000 claims abstract description 9
- 210000001503 joint Anatomy 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000004080 punching Methods 0.000 claims description 5
- 230000004308 accommodation Effects 0.000 abstract 1
- 230000000149 penetrating effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The utility model provides an electric connector and connector assembly, includes the insulator, hold in the center terminal of insulator and ring are fixed in the metal casing of insulator, the electric connector has first end and be located the second end of the upper end of first end, the center terminal has the first contact portion that exposes to the first end of electric connector, the electric connector still includes second metal casing and elastic component, the second metal casing is located in the first end ring the outer wall surface of metal casing and accommodation first contact portion, the first end of metal casing is equipped with the restriction second metal casing breaks away from downwards spacing portion, the elastic component is located in the outside of metal casing and is located the top of second metal casing for the second metal casing can be floated in the upper and lower direction.
Description
[ field of technology ]
The present utility model relates to an electrical connector and a connector assembly, and more particularly to a floating electrical connector and a connector assembly.
[ background Art ]
Chinese patent No. 207459272U discloses an electrical connector comprising an insulating body, a central terminal held by the insulating body and a housing ring-fixed to the insulating body, wherein the electrical connector has a first end and a second end located at an upper end of the first end, the central terminal has a first contact portion exposed at the first end of the electrical connector, and the first contact portion is electrically connected to an external circuit board, but the first contact portion exposed at the first end of the electrical connector is subject to signal interference of external electronic components.
Accordingly, there is a need for an improved electrical connector that overcomes the above-described drawbacks.
[ utility model ]
The utility model aims to provide an electric connector for shielding external signal interference.
The aim of the utility model is achieved by the following technical scheme: the utility model provides an electric connector, includes the insulator, is fixed in the center terminal of insulator and ring are fixed in the metal casing of insulator, electric connector has first end and is located the second end of the upper end of first end, center terminal has expose to electric connector's first contact portion, electric connector still includes second metal casing and elastic component, second metal casing is located in the first end ring metal casing's outer wall face and holding first contact portion, metal casing's first end is equipped with the restriction second metal casing breaks away from downwards spacing portion, the elastic component ring is located metal casing's outside and be located second metal casing's top for second metal casing can the upper and lower direction is floated.
Further, the metal shell comprises a cylindrical base shell which is fixedly arranged on the insulating body in a ring mode and a fixing piece which is fixedly arranged on the base shell, the fixing piece comprises a ring wall which is fixedly arranged on the base shell in a ring mode and an abutting portion which is formed by extending outwards from the periphery of the ring wall, and the abutting portion is of an annular sheet-shaped structure.
Further, the base shell is formed by riveting a metal plate, the fixing piece is formed by punching and drawing, the insulating body is integrally formed in the metal shell and the central terminal, the insulating body comprises a base body integrally formed in the base shell and a peripheral body which is wrapped by the annular wall, and a hole is formed in the wall surface of the base shell so that the base body and the peripheral body are integrally connected.
Further, the elastic piece is a coil spring, the upper side of the elastic piece is elastically propped against the lower side of the propping part, and the lower side of the elastic piece is elastically propped against the upper side of the second metal shell.
Further, the first end of the metal shell is stamped outwards along the radial direction to form the limiting part, the second metal shell is provided with an upper wall propped against the limiting part, the lower end of the second metal shell extends outwards along the radial direction to form a butt joint part, and the butt joint part is electrically connected with a circuit board.
Further, the lower surface of the butt joint part is provided with a plurality of bulges.
Further, a surface of the circuit board is provided with a center contact for abutting with the first contact portion and a side contact abutting with the abutting portion around an outside of the center contact.
Further, the center terminal comprises a main body part, a spring and a contact piece with the first contact part, wherein a cavity for accommodating the spring and the contact piece is concavely formed at the lower end of the main body part, and the spring pushes against the contact piece so that the first contact part protrudes downwards out of the cavity.
The aim of the utility model can be achieved by the following technical scheme: the connector assembly comprises the electric connector, a shell for installing the electric connector, a circuit board butted with the electric connector and a cover body matched with the shell to shield the circuit board, wherein the shell is provided with a base and a protruding part formed by protruding upwards from the base, the base is provided with a base and an annular side part forming a containing cavity between the base and the base, the shell comprises a containing hole formed by protruding downwards from the base and a fitting hole for fitting the electric connector, the aperture of the fitting hole penetrating upwards from the containing hole is smaller than that of the containing hole, a step is formed between the containing hole and the fitting hole, the metal shell comprises a cylindrical base shell fixed on the insulating body in a ring mode and a retaining piece fixed on the base, the retaining piece comprises a ring wall fixed on the base and an abutting part formed by protruding outwards from the periphery of the ring wall, the retaining piece is larger than the radial size of the step, the abutting part is formed on the periphery of the base and the outer periphery of the base, the waterproof bolt is arranged on the periphery of the outer shell or the two sides of the waterproof bolt.
Further, the surface of the circuit board is provided with a side contact for butting against the first contact portion, the side contact is of a continuous annular structure, and the radial dimension of the side contact is not smaller than the corresponding dimension of the butting portion.
Compared with the prior art, the utility model has the following beneficial effects: the second metal shell of the electric connector can vertically float to be abutted against the external circuit board, and meanwhile, the first contact piece of the central terminal can also float to be abutted against the circuit board, so that the second metal shell surrounds the first contact piece in the radial direction to shield external signal interference, and the limiting part of the metal shell prevents the second metal shell from falling off.
[ description of the drawings ]
Fig. 1 is a perspective view of a connector assembly having the present utility model.
Fig. 2 is an exploded perspective view of a connector assembly having the present utility model.
Fig. 3 is an exploded perspective view of the other view of fig. 2.
Fig. 4 is an exploded perspective view of the housing to which the electrical connector and the power connector of the present utility model are mounted.
Fig. 5 is an exploded perspective view of the other view of fig. 4.
Fig. 6 is a further exploded perspective view of fig. 4.
Fig. 7 is an exploded perspective view of the other view of fig. 6.
Fig. 8 is a cross-sectional view of the electrical connector of fig. 4 taken along line A-A.
Fig. 9 is a cross-sectional view of the connector assembly of fig. 1 taken along line B-B.
The utility model will be further described in the following detailed description in conjunction with the above-described figures.
[ detailed description ] of the utility model
Referring to fig. 1 to 9, a connector assembly 1000 of the present utility model includes an electrical connector 100, a housing 2 for mounting the electrical connector, a circuit board 3 mated with the electrical connector 100, and a cover 30 mated with the housing 2 to shield the circuit board 3.
Referring to fig. 4 to 9, the electrical connector 100 includes an insulative housing 4, a central terminal 5 fixed to the insulative housing 4, and a metal shell 6 ring-fixed to the insulative housing 4, the electrical connector 100 has a first end 101 and a second end 102 at an upper end of the first end, and the central terminal 5 has a first contact portion 51 exposed to the first end 101 of the electrical connector 100. The electrical connector 100 further includes a second metal housing 7 and an elastic member 8, the second metal housing 7 is disposed around the outer wall surface of the metal housing 6 at a first end 101 and accommodates the first contact portion 51, the second metal housing 7 integrally surrounds the first contact portion 51 in a radial direction, a limiting portion 611 for limiting downward detachment of the second metal housing 7 is formed by radially and outwardly punching the first end 101 of the metal housing 6, and the second metal housing 7 is provided with an upper wall 71 abutting against the upper end of the limiting portion 611 corresponding to the limiting portion 611. The elastic member 8 is preferably a coil spring, and is disposed around the outer surface of the metal housing 6 and elastically abuts against the upper portion of the second metal housing 7, so that the second metal housing 7 can float in the up-down direction, and the second metal housing 7 can float and abut against an external circuit board 3.
Specifically, the metal housing 6 includes a cylindrical base housing 61 formed by riveting metal plates and a holding member 62 formed by punching and drawing and held on the base housing 61, the holding member 62 includes a ring wall 621 held on the base housing 61 and an abutting portion 622 formed by extending radially outward from a lower end edge of the ring wall 621, the abutting portion 622 is a ring-shaped sheet structure for fixing the electrical connector 100 to the housing 2, and in other embodiments, the abutting portion 622 may be formed by tearing outward from the base housing 61. The insulating body 4 includes a base 41 integrally formed in the base 61 and an outer peripheral body 42 covering the annular wall 621, and the wall surface of the base 61 is provided with holes to integrally connect the base 41 and the outer peripheral body 42. The upper and lower ends of the elastic member 8 are respectively abutted against the lower surface of the abutment 622 and the upper wall 71 of the second metal case 7. Preferably, the center terminal 5 includes a main body 52, a spring 53, and a contact 54 having the first contact portion 51. The lower end of the main body 52 is concavely provided with a chamber 55 for accommodating the spring 53 and the contact member 54, the upper end surface of the chamber 55 is concavely provided with a tapered groove 56, one end of the spring 53 abuts against a tapered inclined surface of the tapered groove 56, and the other end abuts against the contact member 54 so that the first contact portion 51 protrudes downward from the chamber 55. The lower end of the second metal housing 7 extends radially outwards to form a butting portion 72, and when the contact 54 and the butting portion 72 are together electrically abutted against the circuit board 3, the contact 54 and the second metal housing 7 compress the spring 53 and the elastic member 8 respectively.
The electrical connector 100 is electrically abutted against the circuit board 3, and the surface of the circuit board 3 is provided with a center contact 311 for abutting against the first contact portion 51, and a side contact 312 surrounding the center contact 311 for abutting against the abutting portion 72. The center contact 311 and the side contact 312 are metal sheets fixed on the surface of the circuit board 3, preferably, the side contact 312 has a continuous annular structure, and the radial dimension S1 of the side contact 312 is not smaller than the dimension of the abutting portion 72, so that electrical conduction can be achieved even when the abutting portion 72 and the side contact 312 deviate radially. In other embodiments, the side contact 312 may have a recess or notch formed in the annular structure, and the radial dimension of the side contact 312 may be smaller than the dimension of the abutting portion 72.
The lower surface of the abutting portion 72 is provided with a plurality of protrusions 73 formed by downward punching, and the protrusions 73 are abutted against the side contacts 312 so as to be reliably abutted against the side contacts 312 even when the lower surface of the abutting portion 72 is uneven.
Referring to fig. 1 to 9, the connector assembly 1000 with the electrical connector 100 further includes a housing 2 for mounting the electrical connector 100, a circuit board 3 mated with the electrical connector, and a cover 30 mated with the housing 2 to shield the circuit board 3, wherein in this embodiment, the housing 2 and the cover 30 are made of aluminum alloy. The housing 2 is provided with a base 21 and a protruding part 22, the base 21 is provided with a base 211 and an annular side part 213 forming a containing cavity 212 between the base 211 and the base 211, the protruding part 22 is formed by protruding upwards from the center of the base 211, the housing 2 also comprises a containing hole 23 formed by upwards concavely arranging the base 211 and a mounting hole 24 penetrating the protruding part 22 from the containing hole 23, the aperture of the mounting hole 24 is smaller than the aperture of the containing hole 23 to form a step 25 between the hole diameter of the containing hole 23 and the containing hole 23, the electric connector 100 is provided with an abutting part 622 for fixedly connecting with the base 211, the size of the abutting part 622 in the radial direction is larger than the radial size of the containing hole 23, the outer surface of the outer periphery 42 of the electric connector 100 is provided with a protruding strip 43, so that the electric connector 100 penetrates through the containing hole 23 upwards at the mounting hole 24, the lower periphery 2 further and is abutted against the annular ring 622, the outer periphery of the outer periphery 2 is further abutted against the containing hole 622, the outer periphery of the outer periphery 2 is abutted against the containing hole 622, the annular ring 622 is formed with a plurality of grooves 623, the abutting parts of the electric connector 2 are abutted against the outer periphery of the containing hole 622, the outer periphery 2 is abutted against the annular ring 622, the outer periphery of the outer periphery 2 is abutted against the containing hole 2, and the annular ring 622 is abutted against the annular groove 622, and the outer periphery of the outer periphery 2 is abutted against the annular ring 622 is formed, and the abutting hole 622 is abutted against the outer periphery of the electric connector 2, and the electric connector is abutted against the bottom. The circuit board 3 is fixed to the cover 30, and a spacer 31 is disposed between the cover 30 and the housing 2 and is coupled by bolts.
The foregoing is only some, but not all, embodiments of the present utility model, and any equivalent modifications of the technical solution of the present utility model will be covered by the claims of the present utility model by a person of ordinary skill in the art from reading the present specification.
Claims (10)
1. An electric connector, includes insulator, be fixed in insulator's center terminal and ring are fixed in insulator's metal casing, electric connector has first end and is located the second end of the upper end of first end, center terminal has the first contact portion that exposes to electric connector's first end, its characterized in that: the electric connector further comprises a second metal shell and an elastic piece, wherein the second metal shell is annularly arranged at the first end of the second metal shell, is accommodated in the outer wall surface of the metal shell, is provided with a limiting part for limiting the second metal shell to be separated downwards, and is annularly arranged outside the metal shell and above the second metal shell so that the second metal shell can float in the vertical direction.
2. The electrical connector of claim 1, wherein: the metal shell comprises a cylindrical base shell which is fixedly arranged on the insulating body in a ring mode and a fixing piece which is fixedly arranged on the base shell, wherein the fixing piece comprises a ring wall which is fixedly arranged on the base shell in a ring mode and an abutting portion which is formed by extending outwards from the periphery of the ring wall, and the abutting portion is of an annular sheet-shaped structure.
3. The electrical connector of claim 2, wherein: the base shell is formed by riveting a metal plate, the fixing piece is formed by punching and drawing, the insulating body is integrally formed in the metal shell and the central terminal, the insulating body comprises a base body integrally formed in the base shell and a peripheral body which is wrapped by the annular wall, and a hole is formed in the wall surface of the base shell so that the base body is integrally connected with the peripheral body.
4. The electrical connector of claim 2, wherein: the elastic piece is a spiral spring, the upper side of the elastic piece elastically abuts against the lower side of the abutting portion, and the lower side of the elastic piece elastically abuts against the upper side of the second metal shell.
5. The electrical connector of claim 1, wherein: the first end of the metal shell is stamped outwards along the radial direction to form the limiting part, the second metal shell is provided with an upper wall propped against the limiting part, the lower end of the second metal shell extends outwards along the radial direction to form a butt joint part, and the butt joint part is electrically connected with a circuit board.
6. The electrical connector of claim 5, wherein: the lower surface of the butt joint part is provided with a plurality of bulges.
7. The electrical connector of claim 5, wherein: the surface of the circuit board is provided with a center contact for abutting with the first contact part and a side contact surrounding the outer side of the center contact and abutting with the abutting part.
8. The electrical connector of claim 1, wherein: the center terminal comprises a main body part, a spring and a contact piece with the first contact part, wherein a cavity for accommodating the spring and the contact piece is concavely formed at the lower end of the main body part, and the spring props against the contact piece so that the first contact part protrudes downwards out of the cavity.
9. A connector assembly having the electrical connector of claim 1, wherein: the connector assembly comprises the electric connector, a shell for installing the electric connector, a circuit board butted with the electric connector and a cover body matched with the shell to shield the circuit board, wherein the shell is provided with a base and a protruding part formed by protruding upwards from the base, the base is provided with a base and an annular side part forming a containing cavity between the base and the base, the shell comprises a containing hole formed by protruding downwards from the base, and a fitting hole for fitting the electric connector, the aperture of the fitting hole is smaller than that of the fitting hole, a step is formed between the containing hole and the fitting hole, the metal shell comprises a cylindrical base shell fixed on the insulating body in a ring mode and a retaining piece fixed on the base, the retaining piece comprises a ring wall fixed on the base shell and an abutting part formed by extending outwards from the periphery of the ring wall, the insulating body comprises a base body, the outer side part is integrally formed with the step, the outer side part is covered on the periphery of the base, the waterproof ring is formed on the periphery of the base, the outer side of the waterproof ring is formed on the periphery of the base, the waterproof ring is formed on the periphery of the outer side of the waterproof ring, the waterproof ring is formed on the periphery of the waterproof ring, and the waterproof ring is formed on the periphery of the waterproof ring.
10. The connector assembly of claim 9, wherein: the lower end of the second metal shell extends outwards along the radial direction to form a butting part, the surface of the circuit board is provided with a central contact for butting with the first contact part and a side contact surrounding the outer side of the central contact and butting with the butting part, the side contact is of a continuous annular structure, and the radial dimension of the side contact is not smaller than the corresponding dimension of the butting part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320737165.1U CN219892440U (en) | 2023-04-06 | 2023-04-06 | Electric connector and connector assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320737165.1U CN219892440U (en) | 2023-04-06 | 2023-04-06 | Electric connector and connector assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219892440U true CN219892440U (en) | 2023-10-24 |
Family
ID=88410713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320737165.1U Active CN219892440U (en) | 2023-04-06 | 2023-04-06 | Electric connector and connector assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219892440U (en) |
-
2023
- 2023-04-06 CN CN202320737165.1U patent/CN219892440U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |