CN110176690B

CN110176690B - Socket and connector

Info

Publication number: CN110176690B
Application number: CN201810849806.6A
Authority: CN
Inventors: 孙亚磊; 武学顺; 郭会永; 王金殿; 冯冲; 姚海陵
Original assignee: China Aviation Optical Electrical Technology Co Ltd
Current assignee: China Aviation Optical Electrical Technology Co Ltd
Priority date: 2018-07-28
Filing date: 2018-07-28
Publication date: 2021-06-04
Anticipated expiration: 2038-07-28
Also published as: CN110176690A

Abstract

The invention relates to a socket and a connector. The socket comprises a socket shell with a front end serving as an inserting end, wherein a dustproof door is assembled at the inserting end of the socket shell in a swinging mode, an opening position of the inserting end and a closed position of a sealing cover inserting end are arranged in the swinging stroke of the dustproof door, an elastic piece which applies elastic force for overturning the dustproof door to the closed position is configured on the socket shell, an elastic cantilever which is in pressing fit with the dustproof door at the opening position is further arranged on the socket shell, and the elastic cantilever is provided with an overhanging end which applies the elastic force for overturning the closed position to the dustproof door at the opening position through elastic deformation. Under the effect of elastic cantilever, can reduce the requirement of applying elasticity to the elastic component, the elastic component is applyed less effort and can be made dustproof door upset to the closed position, has solved the dustproof door and can not in time overturn to the closed position and has reduced the dustproof effect's of socket problem.

Description

Socket and connector

Technical Field

The invention relates to a socket and a connector.

Background

The connector between boards is used for transmitting circuit signals and light path signals between the back board and the daughter board, the connector between boards comprises a plug and a socket, the plug and the socket are respectively fixed on the back board and the daughter board during use, hard connection between the daughter board and the back board is realized, compared with a wire throwing type connection mode in the prior art, the connection mode of the back board and the daughter board has the advantages of saving wiring space and being convenient to install and maintain, in practical application, the back board is installed in a cabinet in advance, the socket on the back board generally needs to be installed on the back board in advance, and the plug on the daughter board is installed as required. The application publication number is CN105242356A, Chinese patent application with application publication number 2016.01.13 discloses a socket and connector assembly, the axis rotation that the front end of socket extended about along the socket is equipped with the shield, the shield is a dust guard, still be equipped with the spring drive mechanism who provides the shield to the elastic force of closing the position upset on the socket shell, spring drive mechanism includes the straight spring that pushes away that the fore-and-aft direction extends, the biography power piece of biography power between straight spring and shield, be equipped with on the shield and pass power piece complex closed load portion, it pushes away closed load portion and makes the shield seal to pass power piece top. Wherein directly push away the spring and constitute the closed elastic component of shield application of force, inside the shield of this kind of socket can prevent that the dust from getting into the socket, improve the dustproof grade of socket, in the in-process of in-service use, at the in-process of plug and socket separation, need directly push away the spring and apply great elasticity when needs dustproof door is closed, because there is assembly precision error, daily wearing and tearing reduce reasons such as cooperation precision, directly push away the spring and probably have the phenomenon of jamming, directly push away the spring and diminish to the effort of dustproof door, lead to the problem that dustproof door can not in time overturn to the closed position and then reduce the dustproof effect of socket.

Disclosure of Invention

The invention aims to provide a socket, which solves the problem that the dustproof effect of the socket is reduced because a dustproof door cannot be timely turned to a closed position when an elastic piece of the existing socket is clamped; another object of the present invention is to provide a connector using the above receptacle.

In order to achieve the purpose, the technical scheme of the socket is as follows: the socket comprises a socket shell with a front end serving as an inserting end, wherein a dustproof door is assembled at the inserting end of the socket shell in a swinging mode, an opening position of the inserting end and a closed position of a sealing cover inserting end are arranged in the swinging stroke of the dustproof door, an elastic piece which applies elastic force for overturning the dustproof door to the closed position is configured on the socket shell, an elastic cantilever which is in pressing fit with the dustproof door at the opening position is further arranged on the socket shell, and the elastic cantilever is provided with an overhanging end which applies the elastic force for overturning the closed position to the dustproof door at the opening position through elastic deformation.

The invention has the beneficial effects that: the socket shell is provided with the elastic cantilever, and the overhanging end of the elastic cantilever can apply elastic force to the dustproof door at the opening position through elastic deformation to enable the dustproof door to turn towards the closing position. Under the effect of elastic cantilever, can reduce the requirement of applying elasticity to the elastic component, the elastic component is applyed less effort and can be made dustproof door upset to the closed position, has solved the dustproof door and can not in time overturn to the closed position and has reduced the dustproof effect's of socket problem.

Furthermore, in order to simplify the structure of the socket housing, the elastic cantilever extends along the front-back direction, and the front end of the elastic cantilever is an overhanging end, so that the arrangement of the elastic cantilever is facilitated, and the structure of the socket housing is simplified.

Further, in order to guarantee the force application effect on the dustproof door, the elastic part is a direct-push spring extending along the front-back direction, force transmission parts for transmitting force between the direct-push spring and the dustproof door are further configured on the socket shell, at least two direct-push springs are arranged, the elastic cantilever is arranged between the adjacent direct-push springs, and compared with the elastic cantilever arranged at the edge, the force application uniformity of the dustproof door can be improved to a certain extent.

Furthermore, the edge of the dustproof door is provided with a convex block which is in press fit with the overhanging end top of the elastic cantilever, so that the structure of the dustproof door is simplified, and the dustproof door is convenient to process.

The technical scheme of the connector of the invention is as follows: the connector includes plug and socket, and the socket includes that the front end is the socket casing of grafting end, and socket casing's grafting end department swing is equipped with the dustproof door, has the closed position of opening position and closing cap grafting end of letting out the grafting end in the swing stroke of dustproof door, disposes the elastic component of exerting the elastic force to the closed position upset to the dustproof door on the socket casing, still be equipped with on the socket casing with be in the dustproof door roof pressure complex elastic cantilever of opening the position, elastic cantilever has and exerts the overhanging end to the elastic force of closed position upset through elastic deformation to the dustproof door that is in opening the position.

Drawings

FIG. 1 is a schematic view of the structure of embodiment 1 of the connector of the present invention;

FIG. 2 is a schematic structural view from another perspective of embodiment 1 of the connector of the present invention;

fig. 3 is a schematic structural view of a socket housing and a connection housing of embodiment 1 of the connector of the present invention;

fig. 4 is a schematic view showing an assembled structure of a receptacle housing and a dust-proof door of embodiment 1 of the connector of the present invention;

fig. 5 is a schematic view of a single dust door and receptacle housing of embodiment 1 of the connector of the present invention;

fig. 6 is a schematic structural view of a dust-proof door of embodiment 1 of the connector of the present invention;

fig. 7 is a structural schematic view of another perspective of the dust-proof door of embodiment 1 of the connector of the present invention;

fig. 8 is a schematic structural view of a receptacle housing of embodiment 2 of the connector of the present invention;

in the figure: 1. a plug; 11. a plug housing; 111. a rib is protruded; 112. a groove; 2. a socket; 21. a socket housing; 211. a plug end; 212. a necking groove; 213. a rotating shaft mounting hole; 214. a direct-push spring accommodating cavity; 215. a guide groove; 22. a dust-proof door; 220. a dust-proof door body; 221. a rotating shaft; 222. a cam; 223. opening a bearing block; 224. a flexible cantilever; 2241. a cantilevered end; 225. the elastic arm presses the convex block; 23. a direct push spring; 24. a force transfer member; 241. pushing the inclined plane; 25. the housing is connected.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

In embodiment 1 of the connector of the present invention, as shown in fig. 1 to 7, the connector includes a plug 1 and a socket 2, the plug 1 includes a plug contact member and a plug housing 11, the socket 2 includes a socket contact member and a socket housing 21 whose front end is a plugging end 211, the socket housing 21 is further fixed with a connection housing 25, the connection housing 25 and the socket housing 21 enclose a plug housing accommodating cavity into which the plug housing is inserted, where the connection housing and the socket contact member are in the prior art and are not shown in the drawings and are not described again. The connector in this embodiment is a printed board connector, and when in use, the socket 2 is fixed on the back board, and the plug 1 is fixed on the daughter board.

The socket contact part is inserted in the socket shell 21, the dustproof door 22 is assembled at the inserting end 211 of the socket shell 21 in a swinging mode, the swinging axis of the dustproof door 22 extends in the left-right direction, rotating shafts 221 are arranged at the left end and the right end of the dustproof door 22, the dustproof door 22 is assembled on the socket shell 21 in a swinging mode through the rotating shafts 221, and the dustproof door 22 has an opening position for opening the inserting end 211 and a closing position for closing the inserting end 211 in the swinging stroke. In this embodiment, the dust-proof doors 22 are provided in pairs, and the two dust-proof doors 22 have an overlapping portion when in the closed position, so that the dust-proof effect of the dust-proof doors 22 can be improved. In other embodiments, the rotation shaft 221 of the dust-proof door 22 may be a through shaft extending from the left end to the right end of the dust-proof door 22. Correspondingly, the plug housing 11 is provided with a rib 111 for urging the dust-proof door 22 when the plug 1 and the receptacle 2 are mated.

The socket shell 21 is provided with a necking groove 212 and a rotating shaft mounting hole 213 which are matched with the rotating shaft 221 in a rotating mode, the notch of the necking groove 212 is a necking for clamping the rotating shaft and limiting the rotating shaft to be separated from the rotating shaft along the radial direction of the rotating shaft, one rotating shaft 221 is rotatably assembled in the necking groove 212, the other rotating shaft 221 is rotatably assembled in the rotating shaft mounting hole 213, one rotating shaft 221 is firstly inserted in the rotating shaft mounting hole 213 during installation, the whole dustproof door 22 is inclined at the moment, then the other rotating shaft 221 is clamped in the necking groove 212, the installation of the dustproof door 22 is completed, through the arrangement of the necking groove 212, compared with the arrangement of the two rotating shaft mounting holes 213, the deformation degree of the rotating shaft 221 during installation can be reduced, the rotating shaft 221 is prevented from being damaged. In other embodiments, when the rotating shaft 221 of the dust-proof door 22 is a through shaft, a plurality of the notch grooves 212 may be arranged along the extending direction of the rotating shaft 221 of the dust-proof door 22; in other embodiments, two notch grooves 212 may be disposed on the receptacle housing 21, and the two notch grooves 212 correspond to the rotation shafts 221 one by one, and since the constraint capability of the notch grooves 212 on the rotation shafts 221 is lower than that of the rotation shaft mounting holes 213, the stability of the rotation shafts 221 may be reduced compared to the case of disposing one notch groove 212 in this embodiment. Of course, in other embodiments, two rotating shaft mounting holes may be used to mount the rotating shaft, and at this time, a certain deformation is required to be generated during the mounting of the rotating shaft, and the rotating shaft is inserted into the corresponding rotating shaft mounting hole after being deformed, but in this case, the requirement on the elasticity of the rotating shaft is high.

In this embodiment, the socket housing 21 is provided with a direct-push spring 23 for applying an elastic force to the dust-proof door 22 to turn over to the closed position, the direct-push spring 23 extends in the front-rear direction, the socket housing 21 is further provided with a force transmission member 24 for transmitting force between the direct-push spring 23 and the dust-proof door 22, the force transmission member 24 is assembled on the socket housing 21 in a sliding manner along the front-rear direction, the socket housing 21 is provided with a direct-push spring accommodating cavity 214, an opening of the direct-push spring accommodating cavity 214 faces the front side of the socket 2, and the force transmission member 24 is assembled in the direct-push spring accommodating cavity 214 in a sliding manner. The number of the direct-push springs 23 is two, and the two direct-push springs 23 are arranged in parallel left and right.

As shown in fig. 5, the end of the force-transmitting member 24 has a pushing inclined surface 241 engaging with the dust-proof door 22, and the corresponding dust-proof door 22 has a cam 222 engaging with the pushing inclined surface 241. The pushing inclined surface 241 at the front end of the force transmission piece 24 is pressed against the outer peripheral surface of the cam 222, the force transmission piece 24 is pushed by the straight pushing spring 23, and the force transmission piece 24 provides a rotating moment for the dust-proof door 22 to turn clockwise to a closed position through the pushing cooperation of the pushing inclined surface 241 and the outer peripheral surface of the cam 222. The left end and the right end of the dustproof door 22 are also provided with opening bearing blocks 223 which are in pushing fit with the convex ribs 111 on the plug shell 11, the opening bearing blocks 223 are positioned on one side of the axis of the rotating shaft 221 of the dustproof door 22, after the convex ribs 111 on the plug shell 11 push the opening bearing blocks 223, the dustproof door 22 is stressed to compress the straight push spring 23 until the dustproof door 22 is turned to an opening position, and the inserting end 211 of the socket shell 21 is completely opened.

The fitting manner of the plug housing 11 and the dust-proof door 22 is the prior art, and the following brief description is made on the fitting manner of the plug housing and the dust-proof door: in this embodiment, the plug housing and the socket housing are rectangular housings, the protruding rib 111 is disposed on the inner side of the plug housing, the front end of the plug housing 11 is provided with a groove 112 for controlling the opening and closing sequence of the two dustproof doors, the size of the groove 112 corresponding to the two dustproof doors in the plugging direction can be adjusted to control one dustproof door to open first, the other dustproof door to open later, when the size of the groove 112 along the plugging direction is large, the protruding rib 111 contacts with the opening bearing block 223 on the corresponding dustproof door, and the groove corresponding to the large size of the plugging direction of the plug and the socket opens later. With the plug and the socket continuing to be plugged, the two dustproof doors are opened in sequence.

In order to solve the above problem, the socket housing 21 of the present invention is provided with the elastic cantilever 224, the elastic cantilever 224 extends in the front-rear direction, the front end of the elastic cantilever 224 is an overhanging end 2241 that applies an elastic force that turns to the closed position to the dust-proof door 22 in the open position through elastic deformation, in this embodiment, the elastic cantilever and the socket housing are integrally arranged, the fixed end of the elastic cantilever is arranged at the rear end, and the thickness of the overhanging end is smaller than that of the fixed end. When dustproof door 22 is in the position of opening, dustproof door 22 pushes down the overhanging end 2241 of elastic cantilever 224, make elastic cantilever 224 warp, when plug 1 and socket 2 separate, dustproof door 22 and plug housing 11 separate, elastic cantilever 224 resets and applys the elastic force to the dustproof door upset to the closed position, under the combined action of overhanging end 2241 and straight push spring 23 of elastic cantilever 224, dustproof door 22 obtains the initial speed to the closed position upset, make dustproof door 22 overturn to the closed position under the combined action of elastic cantilever 224 and straight push spring 23, the problem that dustproof door 22 that results in to the dustproof door 22 effort diminishes and can not in time close and then reduce dustproof effect when current straight push spring 23 appears the jamming phenomenon is solved. Of course, in other embodiments, the extending direction of the elastic cantilever may have other forms, such as: the plug can extend along the left and right directions, but the requirement on the arrangement space of the socket shell is strict; the inclined plate can also be obliquely arranged from the front to the left or right.

In order to facilitate the assembly of the dust-proof door 22 and the socket housing 21, in this embodiment, the dust-proof door 22 includes a dust-proof door body 220 and an elastic arm pressing protrusion 225 disposed at the edge of the dust-proof door body 220 and press-fitted with the overhanging end 2241 of the elastic cantilever 224, the elastic arm pressing protrusion 225 is disposed at the edge of the dust-proof door 22, and the dust-proof door 22 is press-fitted with the elastic cantilever 224 through the elastic arm pressing protrusion 225. The elastic arm abutting-against projection 225 and the dust-proof door body 220 are respectively arranged on two sides of the swing axis of the dust-proof door 22. In other embodiments, the dust-proof door body can extend to the other side of the swing axis to be in press fit with the elastic arm.

In this embodiment, the elastic cantilever 224 is disposed between the adjacent straight pushing springs 23, and the elastic cantilever 224 is disposed in parallel with the straight pushing springs 23, so that the force applied to the dust-proof door 22 is uniform, in other embodiments, at least three elastic cantilevers 224 may be disposed, and at this time, the dust-proof door 22 may be selectively disposed between any two adjacent straight pushing springs 23. In other embodiments, a plurality of elastic cantilevers may be provided, and only one direct pushing spring is provided, in which case the direct pushing spring is provided between adjacent elastic cantilevers.

Embodiment 2 of the connector of the present invention, which is different from embodiment 1 of the connector described above only in that: as shown in fig. 8, the side wall of the spindle mounting hole on the socket housing is provided with a guide groove 215, which can be guided into the spindle mounting hole during installation, and then the installation of the dust-proof door is completed.

In the specific embodiment of the socket of the present invention, the structure of the socket in this embodiment is the same as that of the socket in any one of the above embodiments, and details are not repeated.

Claims

1. Socket, be the socket casing of grafting end including the front end, socket casing's grafting end department swing is equipped with the dustproof door, has the closed position of the position of opening and the closing cap grafting end of letting out the grafting end in the swing stroke of dustproof door, disposes the elastic component of applying the elastic force to the closed position upset to the dustproof door on the socket casing, its characterized in that: the plug shell of the adapter is provided with convex ribs for applying force to the dustproof door when the plug and the socket are plugged, the left end and the right end of the dustproof door are further provided with a force bearing block which is matched with the convex ribs on the plug shell in a pushing mode and opens, the convex ribs on the plug shell are pushed to open the force bearing block to enable the dustproof door to be turned to an open position, the socket shell is further provided with an elastic cantilever which is matched with the dustproof door at the open position in a pushing mode, the elastic cantilever is provided with an overhanging end which applies elastic force for turning the dustproof door at the open position to a closed position through elastic deformation, the elastic cantilever extends in the front-back direction, the front end of the elastic cantilever is an overhanging end, the elastic part is a straight push spring extending in the front-back direction, the socket shell is further provided with force transmission parts for transmitting force between the straight push spring and the dustproof door, at least two straight push springs are arranged, and the elastic.

2. The receptacle of claim 1, wherein: and an elastic arm jacking and pressing convex block which is in press fit with the overhanging end jacking of the elastic cantilever is arranged at the edge of the dustproof door.

3. The connector, including plug and socket, the socket includes that the front end is the socket shell of grafting end, and socket shell's grafting end department swing is equipped with the dustproof door, has the closed position of opening position and closing cap grafting end of dodging the grafting end in the swing stroke of dustproof door, disposes the elastic component to the elastic force that the dustproof door applyed the upset to closed position on the socket shell, its characterized in that: the plug shell is provided with a convex rib for applying force to the dustproof door when the plug and the socket are plugged, the left end and the right end of the dustproof door are further provided with a bearing block which is matched with the convex rib on the plug shell in a pushing mode and opens, the convex rib on the plug shell is pushed to open the bearing block to enable the dustproof door to be turned to an open position, the socket shell is further provided with an elastic cantilever which is matched with the dustproof door at the open position in a pushing mode, the elastic cantilever is provided with an overhanging end for applying elastic force for turning the dustproof door at the open position to a closed position through elastic deformation, the elastic cantilever extends along the front-back direction, the front end of the elastic cantilever is an overhanging end, the elastic part is a straight push spring extending along the front-back direction, the socket shell is further provided with a force transferring part for transferring force between the straight push spring and the dustproof door, at least two straight push springs are arranged, and the elastic cantilever.

4. The connector of claim 3, wherein: and an elastic arm jacking and pressing convex block which is in press fit with the overhanging end jacking of the elastic cantilever is arranged at the edge of the dustproof door.