CN109244748B - Socket and connector - Google Patents

Abstract

The invention discloses a socket and a connector, wherein the socket comprises a first shell, a shielding part and a first conductive terminal, the first shell comprises a sleeve part and a first end plate arranged at one end of the sleeve part, the shielding part comprises a first shielding sleeve and a second end plate arranged at one end of the first shielding sleeve, the first shielding sleeve is positioned in the sleeve part, a containing groove for embedding the second end plate is formed in the first end plate, a limit convex rib is concavely arranged on the end face, facing the first shielding sleeve, of the second end plate, a limit groove matched with the limit convex rib is convexly arranged on the end face, facing away from the sleeve part, of the first end plate, and the first conductive terminal penetrates into the first shielding sleeve. The sealing performance between the first shell and the shielding structure is enhanced through the cooperation of the limiting convex ribs and the limiting grooves.

Description

Socket and connector

Technical Field

The present invention relates to the field of connectors, and in particular, to a socket and a connector.

Background

Currently, a socket of a connector includes a housing and a shielding structure inserted into the housing, and for such a precision instrument of the connector, water and dust both enter the housing and the shielding structure during use of the connector affect the performance of the connector, and a gap between the housing and the shielding sleeve allows water and dust to enter the housing and the shielding structure therebetween to damage the connector.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide a socket which aims to solve the problem of poor sealing effect of the socket connection of the prior connector

One of the purposes of the invention is realized by adopting the following technical scheme:

The utility model provides a socket, includes first shell, shielding part and first conductive terminal, first shell includes sleeve portion and locates the first end plate of sleeve portion's one end, shielding part includes first shielding sleeve and locates the second end plate of first shielding sleeve's one end, first shielding sleeve is located in the sleeve portion, offer on the first end plate and be used for supplying the holding groove that the second end plate inlayed, the orientation of second end plate the terminal surface of first shielding sleeve is concave to be equipped with spacing protruding muscle, the terminal surface of first end plate deviate from sleeve portion upward protruding be equipped with spacing protruding muscle complex spacing groove, first conductive terminal wears to locate in the first shielding sleeve.

Further, the limiting ribs are annular, and the limiting grooves are annular.

Further, the spacing protruding muscle includes a plurality ofly, and a plurality of spacing protruding muscle is along being close to the axis of first shell to keeping away from the direction of the axis of first shell, the quantity of spacing groove with the quantity of spacing protruding muscle is the same, and each spacing groove respectively with each spacing protruding muscle counterpoint sets up.

Further, the first housing is molded outside the shielding component.

The invention also provides a connector, which comprises a plug and the socket, wherein the plug comprises a second shell used for being inserted with the first shell and a second conductive terminal arranged in the second shell and used for being connected with the first conductive terminal, the socket comprises a first shell, a shielding part and a first conductive terminal, the first shell comprises a sleeve part and a first end plate arranged at one end of the sleeve part, the shielding part comprises a first shielding sleeve and a second end plate arranged at one end of the first shielding sleeve, the first shielding sleeve is positioned in the sleeve part, the first end plate is provided with a containing groove used for being embedded by the second end plate, the end face, facing towards the first shielding sleeve, of the second end plate is concavely provided with a limiting convex rib, the end face, facing away from the sleeve part, of the first end plate is convexly provided with a limiting groove matched with the limiting convex rib, and the first conductive terminal is arranged in the first shielding sleeve in a penetrating manner.

Further, the second conductive terminal comprises a terminal main body and a conductive ring, the terminal main body comprises a first end part used for being connected with the first conductive terminal, one end of the conductive ring is arranged in the first end part, the other end of the conductive ring is exposed out of the first conductive terminal in a protruding mode, and the outer diameter of the conductive ring is 12 mm+/-1 mm.

Further, the plug further comprises an anti-touch glue rod, one end of the anti-touch glue rod is connected into the terminal main body, the middle part of the anti-touch glue rod penetrates through the conductive ring, and the other end of the anti-touch glue rod is exposed out of the conductive ring in a protruding mode.

Further, the touch-proof glue stick is in threaded connection with the terminal main body.

Further, the second housing has be used for with the first housing peg graft the end and with the tail end that peg graft the end and set up in opposite directions, the plug still includes line shielding sleeve, cover locate the second shielding sleeve outside the second conductive terminal and locate in the second housing and be close to the line sealing washer that the tail end set up, shielding sleeve include first cover body and with first cover body integrated into one piece and external diameter is less than the second cover body of external diameter, first cover body cover is located outside one end of second shielding sleeve, the second cover body is located the second cover body deviate from one side of second shielding sleeve and the second cover body deviate from the one end of first cover body with line sealing washer butt.

Further, the terminal body is in a straight strip shape; or alternatively

The terminal body comprises a first terminal body and a second terminal body, a jack formed by surrounding a plurality of first elastic sheets at intervals is formed on one end of the first terminal body, one end of the second terminal body is formed by surrounding a plurality of second elastic sheets at intervals and is inserted into the jack, and the first terminal body and the second terminal body are arranged at an included angle.

Compared with the prior art, the invention has the beneficial effects that: the limiting convex ribs are concavely arranged on the end face, facing the first shielding sleeve, of the second end plate, limiting grooves matched with the limiting convex ribs are convexly arranged on the end face, facing away from the sleeve part, of the first end plate, and sealing performance between the first shell and the shielding structure is enhanced through matching of the limiting convex ribs and the limiting grooves.

Drawings

Fig. 1 is a schematic structural diagram of a connector according to a first embodiment of the present invention;

Fig. 2 is a schematic structural diagram of a socket according to a first embodiment of the present invention;

FIG. 3 is a schematic view of a socket according to another embodiment of the present invention;

FIG. 4 is an exploded view of a socket according to a first embodiment of the present invention;

Fig. 5 is a schematic structural view of a shielding component according to a first embodiment of the present invention;

FIG. 6 is a schematic view of a shielding member according to another embodiment of the present invention;

FIG. 7 is a schematic cross-sectional view of the receptacle of FIG. 2;

fig. 8 is a schematic view of the plug (180 °) of fig. 1;

FIG. 9 is a schematic diagram of an exemplary key slot configuration of a plug according to an exemplary embodiment of the present invention;

FIG. 10 is a schematic view of another embodiment of a key slot for a plug according to an embodiment of the present invention;

FIG. 11 is a schematic view of a further embodiment of a key slot for a plug according to an embodiment of the present invention;

FIG. 12 is an exploded view of the plug of FIG. 8;

FIG. 13 is a schematic cross-sectional view of the plug of FIG. 8;

Fig. 14 is a schematic structural diagram of a connector according to a second embodiment of the present invention;

Fig. 15 is a schematic structural diagram of a plug (90 °) according to a second embodiment of the present invention;

FIG. 16 is an exploded view of the plug of FIG. 15;

FIG. 17 is a schematic cross-sectional view of the plug of FIG. 15;

Fig. 18 is a schematic structural diagram of a first terminal body and a second terminal body according to a second embodiment of the present invention;

fig. 19 is a cross-sectional view of the second conductive terminal of fig. 18;

fig. 20 is a schematic structural view of the second terminal body of fig. 18.

In the figure:

1. A socket; 11. a first housing; 111. a sleeve portion; 112. a first end plate; 1120. a limit groove; 12. a shielding member; 121. a first shielding sleeve; 122. a second end plate; 1221. limiting convex ribs; 13. a first conductive terminal; 14. a touch-proof cap; 15. a first snap ring; 16. a seal ring; 17. a plug key; 2. a plug; 21. a second housing; 22. a second conductive terminal; 221. a terminal body; 222. a conductive ring; 223. an anti-touch glue stick; 231. a first insulating sleeve; 232. a second insulating sleeve; 24. a second shielding sleeve; 25. a second snap ring; 26. a key slot; 27. a wire shielding sleeve; 271. a first sleeve; 272. a second sleeve; 273. a connecting ring; 28. a wire seal ring; 2211. a first terminal body; 2212. a second terminal body; 2213. a first elastic sheet; 2214. a second spring plate; 2210. and a jack.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

Embodiment one:

Referring to fig. 3-7, a socket 1 includes a first housing 11, a shielding member 12 and a first conductive terminal 13, where the first housing 11 includes a sleeve portion 111 and a first end plate 112 disposed at one end of the sleeve portion 111, the shielding member 12 includes a first shielding sleeve 121 and a second end plate 122 disposed at one end of the first shielding sleeve 121, the first shielding sleeve 121 is disposed in the sleeve portion 111, a receiving groove for the second end plate 122 to be embedded is formed on the first end plate 112, a limit rib 1221 is concavely disposed on an end surface of the second end plate 122 facing the first shielding sleeve 121, a limit groove 1120 matched with the limit rib 1221 is convexly disposed on an end surface of the first end plate 112 facing away from the sleeve portion 111, and the first conductive terminal 13 is disposed in the first shielding sleeve 121 in a penetrating manner.

The first shielding sleeve 121 is used for shielding the first conductive terminal 13, the first shielding sleeve 121 is embedded into the sleeve portion 111 from one end of the housing, the first end plate 112 and the second end plate 122 are abutted closely, and the limiting groove 1120 is embedded into the limiting rib 1221, so that the first end plate 112 and the second end plate 122 are tightly attached, and the waterproof performance between the first end plate 112 and the second end plate 122 is better. The limiting groove 1120 is arranged near the sleeve part 111, and the limiting rib 1221 is arranged near the first shielding sleeve 121, so that the sealing position is closer to the interior of the socket 1, and the waterproof effect is better.

Preferably, referring to fig. 6 and 7, the limiting rib 1221 is annular, and the limiting groove 1120 is annular. The shape of the limiting bead 1221 is similar to the cross-sectional shape of the sleeve portion 111, so that the matching effect of the limiting bead 1221 and the limiting groove 1120 is better.

Preferably, the limiting ribs 1221 include a plurality of limiting ribs 1221, and the plurality of limiting ribs 1221 are arranged along a direction from a central axis close to the first housing 11 to a central axis far away from the first housing 11, the number of the limiting grooves 1120 is the same as the number of the limiting ribs 1221, and each of the limiting grooves 1120 is aligned with each of the limiting ribs 1221.

The spacing ribs 1221 are arranged at intervals, the spacing grooves 1120 are arranged at intervals, and each spacing groove 1120 is embedded in each spacing rib 1221 one by one, so that the sealing effect of the spacing ribs 1221 and the spacing grooves 1120 is further enhanced.

Preferably, referring to fig. 3, the first housing 11 is molded outside the shielding member 12. In the process of machining and forming, the shielding part 12 is placed in a die for machining the first shell 11, and then injection molding is performed, so that the shielding part and the die are closely attached.

Preferably, referring to fig. 4, the socket 1 further includes a touch-proof cap 14 sleeved at an end of the first conductive terminal 13, so as to avoid the first conductive terminal 13 being touched and electric shock when the plug 2 and the socket 1 are not plugged.

Preferably, referring to fig. 4, a first snap ring 15 is further disposed between the first conductive terminal 13 and the first shielding sleeve 121, the first snap ring 15 is sleeved outside the first conductive terminal 13, an outer surface of the first snap ring 15 abuts against an inner wall surface of the first shielding sleeve 121, and the first snap ring 15 makes connection between the first conductive terminal 13 and the first shielding sleeve 121 tighter.

Preferably, referring to fig. 4, the end surface of the second end plate 122 facing away from the first shielding sleeve 121 is provided with a receiving ring groove, and the socket 1 further includes a sealing ring 16 embedded in the receiving ring groove for sealing the plug 2 and the socket 1 when they are plugged.

Preferably, referring to fig. 1, the connector includes a plug 2 and the socket 1 as described above, where the plug 2 includes a second housing 21 for plugging with the first housing 11 and a second conductive terminal 22 disposed in the second housing 21 and for connecting with the first conductive terminal 13. The first housing 11 has a first mating end, and the second housing 21 has a second mating end mated with the first mating end.

Preferably, referring to fig. 2, 9, 10 and 11, the first housing 11 is provided with a protruding limit plug key 17, and the second housing 21 is provided with a key slot 26, so that the plug of the first housing 11 and the second housing 21 is tighter. Fig. 10, 11 and 12 show that the second housing 21 is provided with three different key ways 26, and the first housing 11 has three different plug-in keys 17 adapted thereto.

Preferably, referring to fig. 12 and 13, the second conductive terminal 22 includes a terminal body 221 and a conductive ring 222, the terminal body 221 includes a first end portion for connecting with the first conductive terminal 13, one end of the conductive ring 222 is disposed in the first end portion, the other end of the conductive ring is exposed outside the first conductive terminal 13, and the outer diameter of the conductive ring 222 is 12mm±1mm. The conductive ring 222 is partially embedded in the end portion of the terminal main body 221 near the second plugging end, and partially exposed outside the conductive ring 222, so that the outer diameter of the conductive ring 222 is increased, and the size of the terminal main body 221 is also increased, so that the first conductive terminal 13 can pass a large current.

Preferably, referring to fig. 12 and 13, the plug 2 further includes a touch-proof glue rod 223, one end of the touch-proof glue rod 223 is connected to the inside of the terminal main body 221, the middle part of the touch-proof glue rod passes through the conductive ring 222, and the other end of the touch-proof glue rod is exposed outside the conductive ring 222. The terminal main body 221 is of a hollow structure, the conductive ring 222 is also of a hollow structure, one end of the touch-proof glue rod 223 is connected inside the terminal main body 221, and the other end of the touch-proof glue rod passes through the conductive ring 222 and is exposed out of the terminal main body 221 in a protruding manner, so that when the plug 2 and the socket 1 are not plugged, a person does not directly contact the second conductive terminal 22 or the conductive ring 222 when contacting the second plugging end, and electric shock is avoided.

Preferably, referring to fig. 13, the anti-touch glue rod 223 is screwed with the terminal main body 221. The inner middle portion of the terminal body 221 is formed as a screw hole, one end of the anti-touch glue rod 223 is formed as a screw end, and the anti-touch glue rod 223 is screwed into the terminal body 221, so that the operation is very simple and convenient, and the locking is firm.

Preferably, referring to fig. 12, the second housing 21 has a plugging end for plugging with the first housing 11 and a tail end opposite to the plugging end, the plug 2 further includes a wire shielding sleeve 271, a second shielding sleeve 24 sleeved outside the second conductive terminal 22, and a wire sealing ring 28 disposed in the second housing 21 and close to the tail end, the wire shielding sleeve 27 includes a first sleeve body 271 and a second sleeve body 272 integrally formed with the first sleeve body 271 and having an outer diameter smaller than that of the first sleeve body 271, the first sleeve body 271 is sleeved outside one end of the second shielding sleeve 24, the second sleeve body 272 is disposed on one side of the second sleeve body 272 facing away from the second shielding sleeve 24, and one end of the second sleeve body 272 facing away from the first sleeve body 271 is abutted against the wire sealing ring 28.

The first sleeve body 271 and the second sleeve body 272 are integrally formed, the wire shielding sleeve 27 further comprises a connecting ring 273 for connecting the first sleeve body 271 and the second sleeve body 272, the first sleeve body 271 is fixed on the second shielding sleeve 24, the connecting ring 273 is abutted with the end part of the second shielding sleeve 24, the position between the wire shielding sleeve 27 and the second shielding sleeve 24 can be limited, and the wire sealing ring 28 and the second shielding sleeve 24 together limit the axial position of the wire shielding sleeve 28 to position the same. The contact reliability of the wire shielding sleeve 27 is enhanced, and the wire shielding sleeve 27 is re-punched by step stretching at the time of processing.

Preferably, referring to fig. 12, a second snap ring 25 is further disposed between the second conductive terminal 22 and the second shielding sleeve 24, the second snap ring 25 is sleeved outside the second conductive terminal 22, an outer surface of the second snap ring 25 abuts against an inner wall surface of the second shielding sleeve 24, and the second snap ring 25 makes connection between the second conductive terminal 22 and the second shielding sleeve 24 tighter.

Preferably, referring to fig. 12, 13 and 14, the terminal main body 221 is in a straight strip shape, so that a 180 ° wire inlet can be realized.

Preferably, referring to fig. 12 and 13, the second conductive terminal 22 is sleeved with a first insulating sleeve 231 and a second insulating sleeve 232 which are spliced to insulate the second conductive terminal 22, and the first insulating sleeve 231 and the second insulating sleeve 232 are spliced such that the longer insulating sleeve is divided into two sections of the first insulating sleeve 231 and the second insulating sleeve 232.

Embodiment two:

Referring to fig. 12, 13, 16 and 17, the connector provided in this embodiment is different from the first embodiment mainly in the structure of the plug, specifically, the plug in the first embodiment is in a straight-head form, and the plug in this embodiment is in an elbow form.

In detail, referring to fig. 15-20, the terminal body 221 includes a first terminal body 2211 and a second terminal body 2212, an insertion hole 2210 formed by surrounding a plurality of first elastic pieces 2213 is formed at one end of the first terminal body 2211, one end of the second terminal body 2212 is formed by surrounding a plurality of second elastic pieces 2214 at intervals and is inserted into the insertion hole 2210, and the first terminal body 2211 and the second terminal body 2212 are disposed at an included angle.

In this embodiment, the terminal body 221 is preferably configured as a first terminal body 2211 and a second terminal body 2212 connected at 90 ° to achieve a line incoming at an angle of 90 °, but may be an angle of other angles, and the insertion hole 2210 is formed by surrounding a plurality of first elastic pieces 2213 at intervals, so as to have elasticity, and the end of the second elastic piece 2214 is bent toward the central axis of the second terminal body 2212, so that the end of the second terminal body 2212 is more pointed, and is easier to be inserted into the insertion hole 2210.

In addition to the above-mentioned differences, other structures of the connector according to the present embodiment can be optimally designed according to the first embodiment, and the details of the structure can be seen in fig. 15-20, which are not described in detail herein.

The above embodiments are only preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention are intended to be within the scope of the present invention as claimed.

Claims (10)

1. The utility model provides a socket, its characterized in that includes first shell, shielding part and first conductive terminal, first shell includes sleeve portion and locates the first end plate of sleeve portion's one end, shielding part includes first shielding sleeve and locates the second end plate of one end of first shielding sleeve, first shielding sleeve is located in the sleeve portion, offer on the first end plate and be used for supplying the holding groove that the second end plate inlays to be established, the orientation of second end plate the concave spacing bead that is equipped with on the terminal surface of first shielding sleeve, the terminal surface of first end plate deviate from sleeve portion go up protruding be equipped with spacing bead complex spacing groove, first conductive terminal wears to locate in the first shielding sleeve.

2. The jack of claim 1, wherein the spacing ribs are annular and the spacing grooves are annular.

3. The socket of claim 2, wherein the plurality of limit ribs includes a plurality of limit grooves, the plurality of limit grooves are arranged along a direction from a central axis close to the first housing to a central axis far away from the first housing, the number of limit grooves is the same as the number of limit ribs, and each limit groove is aligned with each limit rib.

4. A socket according to any one of claims 1 to 3, wherein the first housing is molded over the shield member.

5. A connector comprising a plug and a socket according to any one of claims 1-4, the plug comprising a second housing for plugging with the first housing and a second conductive terminal provided in the second housing for connection with the first conductive terminal.

6. The connector of claim 5, wherein the second conductive terminal comprises a terminal body and a conductive ring, the terminal body comprises a first end for connection with the first conductive terminal, one end of the conductive ring is disposed in the first end, the other end of the conductive ring is exposed outside the second conductive terminal, and the outer diameter of the conductive ring is 12mm ± 1mm.

7. The connector of claim 6, wherein the plug further comprises a touch-resistant glue rod, one end of the touch-resistant glue rod is connected to the inside of the terminal body, the middle part of the touch-resistant glue rod passes through the conductive ring, and the other end of the touch-resistant glue rod is exposed outside the conductive ring.

8. The connector of claim 7, wherein the touch-resistant glue bar is threadably coupled to the terminal body.

9. The connector of claim 5, wherein the second housing has a mating end for mating with the first housing and a tail end opposite the mating end, the plug further comprises a wire shielding sleeve, a second shielding sleeve sleeved outside the second conductive terminal, and a wire sealing ring disposed inside the second housing and near the tail end, the wire shielding sleeve comprises a first sleeve and a second sleeve integrally formed with the first sleeve and having an outer diameter smaller than an outer diameter of the first sleeve, the first sleeve is sleeved outside one end of the second shielding sleeve, the second sleeve is disposed on a side of the second sleeve facing away from the second shielding sleeve, and an end of the second sleeve facing away from the first sleeve abuts the wire sealing ring.

10. The connector of any one of claims 5-9, wherein the terminal body is straight; or alternatively

The terminal body comprises a first terminal body and a second terminal body, a jack formed by surrounding a plurality of first elastic sheets at intervals is formed on one end of the first terminal body, one end of the second terminal body is formed by surrounding a plurality of second elastic sheets at intervals and is inserted into the jack, and the first terminal body and the second terminal body are arranged at an included angle.