CN214201836U

CN214201836U - Novel push-pull connector

Info

Publication number: CN214201836U
Application number: CN202022824805.1U
Authority: CN
Inventors: 陈明; 刘乃常; 王旭涛; 韩云钊; 赵晓鸣; 杨帅杰; 李卫可; 武学顺
Original assignee: China Aviation Optical Electrical Technology Co Ltd
Current assignee: China Aviation Optical Electrical Technology Co Ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-09-14
Anticipated expiration: 2030-11-27

Abstract

The utility model relates to a novel push-and-pull connector, to spigot (1) and spigot end (2) including the adaptation, to spigot (1) including socket casing (11), spigot end (2) including be used for inserting socket casing (11) in spigot body (21), establish lock sleeve (22) in the spigot body outside along the axial activity cover, be equipped with on spigot body (21) with socket casing (11) on the socket locking structure that radial activity set up along axial stop complex adaptation locking structure, be equipped with pressure spring (24) that resets between lock sleeve (22) and spigot body (21), socket casing (11) inner wall sets up at least one anti-rotation structure along the axial, set up on spigot body (21) and prevent that rotation structure radially ends the complex adaptation anti-rotation structure with this anti-rotation structure. The utility model discloses can realize plug-type locking, need not to reserve great installation space, can realize inserting the end and insert and close and prevent relatively rotating to the quick push-and-pull of inserting the end.

Description

Novel push-pull connector

Technical Field

The utility model belongs to the technical field of the connector, in particular to novel push-and-pull connector.

Background

The optical fiber communication technology is developing towards the direction of high transmission rate and high bandwidth, the cost is low, the operation is easy, the reliability is high, the miniaturization is the development trend of the optical fiber connector, and the common connector locking modes are generally divided into two types. The first is a thread type connection, and the male end and the female end are connected in a locking mode through threads 101, as shown in fig. 1; the second is a bayonet type connection, the plug end and the socket end are connected in a way of matching the staple 102 and the corresponding hole groove 201, as shown in fig. 2; when the connector adopting two locking modes of the thread and the bayonet is used, a larger installation space is needed, so that the installation space of the connector needs to be reserved on the connector when equipment is designed, larger space and cost waste are caused, meanwhile, the two locking modes can not realize the quick locking and separation of the connector, and the connector needs to consume longer installation time of constructors when in use.

SUMMERY OF THE UTILITY MODEL

For solving current connector insert close the end with to the plug-in part need the panel reserve great installation space, can not realize inserting fast and close the separation and prevent changeing the problem to inserting, the utility model provides a novel push-and-pull connector.

The purpose of the utility model and the technical problem thereof are realized by adopting the following technical scheme. According to the novel push-pull connector provided by the utility model, the opposite plug end and the insertion end comprise adaptive opposite plug ends, the opposite plug end comprises a socket shell, the insertion end comprises an insertion body inserted into the socket shell and a locking sleeve axially movably sleeved outside the insertion body, the socket shell is radially movably provided with a socket locking structure, and the insertion body is provided with an adaptive locking structure matched with the socket locking structure along axial blocking; the socket comprises a socket shell and is characterized in that at least one anti-rotation structure is axially arranged on the inner wall of the socket shell, and an adaptive anti-rotation structure which is in anti-rotation fit with the anti-rotation structure is arranged on the plug-in body, so that the socket shell and the plug-in body are limited to radially rotate relatively.

The purpose of the utility model is further realized by adopting the following technical measures.

Further, the socket locking mechanism is a lock ball, and the adaptive locking mechanism is a lock ball positioning groove.

Furthermore, the anti-rotation structure is a groove, the adaptive anti-rotation structure is a convex key, and the groove and the convex key are in sliding fit along the axial direction in the inserting and combining process of the plug and the socket so as to realize radial anti-rotation of the inserting end and the inserting and combining end.

Further, the inner wall of the front end of the locking sleeve is provided with a pushing wall used for pushing the locking ball inwards in the radial direction.

Furthermore, the tail end of the socket shell is provided with a first sealing element for realizing sealing between the plug end and the panel or the box body.

Furthermore, a second sealing element which is in sealing fit with the outer wall surface of the plug-in connector is arranged on the inner wall surface of the socket shell.

Furthermore, the tail end in the socket shell is provided with symmetrically arranged convex flat parts.

Furthermore, when the front end of the socket shell is provided with two anti-rotation structures which are distributed oppositely, the included angle between the symmetrical surface of one pair of anti-rotation structures and the symmetrical surface of one pair of convex and flat structures is 90 degrees.

Furthermore, the outer wall of the plug-in body is provided with a check ring which is matched with the locking sleeve in a blocking way along the axial direction.

Furthermore, at least two screw holes are uniformly distributed on the mounting flange of the socket shell.

The utility model adopts the steel ball locking structure, can realize push-pull type locking, does not need to reserve larger installation space, can realize the insertion end and the rapid push-pull insertion of the opposite insertion end, and is provided with the anti-rotation structure to lead the headstock to perform the guiding insertion process and the anti-rotation after the insertion is in place; in addition, the mounting holes for mounting the lock balls are uniformly distributed, and the screw holes are symmetrically distributed, so that when the socket is stressed, the stress is uniformly distributed, the service life of the connector is prolonged, and the plugging stability is improved; the installation requirements of different modules are realized by the convex flat with fixed size range at the inserting end.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic view of a prior art thread form locking connector.

Figure 2 is a schematic view of a prior art bayonet style locking connector.

Fig. 3 is a schematic perspective view of the present invention.

Fig. 4 is a schematic sectional structure of the present invention.

Fig. 5 is a schematic distribution diagram of the convex flat and the concave groove in the embodiment of the present invention.

[ description of reference ]

1-pair of plug ends, 11-socket shell, 12-mounting hole, 13-locking ball, 14-groove, 15-first sealing element, 16-second sealing element, 17-convex flat, 18-screw hole, 2-plug end, 21-plug body, 211-flange, 22-locking sleeve, 23-locking ball positioning groove, 24-reset pressure spring, 25-annular containing cavity, 26-pushing wall, 27-retainer ring and 28-convex key.

Detailed Description

The following detailed description is to be read in connection with the drawings and the preferred embodiments.

An embodiment of a novel push-pull connector, as shown in fig. 1 to 5, comprises a plug end 1 and a socket end 2, wherein the plug end 1 is a socket and comprises a socket shell 11; the socket end 2 is a plug and comprises a socket body 21 inserted into the socket shell and a locking sleeve 22 movably sleeved outside the socket body 21 along the axial direction, at least one mounting hole 12 is formed in the socket shell 11, a locking ball 13 is arranged in the mounting hole, when the number of the mounting holes 12 is more than one, the mounting holes are uniformly distributed along the radial direction of the socket shell, and a locking ball positioning groove 23 matched with the locking ball in a blocking manner along the axial direction when the headstock is in a locking state is formed in the socket body. A reset pressure spring 24 is arranged between the locking sleeve 22 and the flange 211 of the plug body, an annular accommodating cavity 25 for accommodating the socket shell is arranged between the plug body 21 and the locking sleeve 22, the inner wall of the locking sleeve 22 is provided with a pushing wall 26 for pushing the locking ball 13 inwards along the radial direction, the outer wall of the plug body is provided with a retaining ring 27 in axial retaining fit with the locking sleeve, and the retaining ring 27 is used for limiting the reset distance of the locking sleeve 22 and axially limiting the locking sleeve 22 between the flange and the retaining ring. The front end of the plug-in body 21 is provided with a flaring structure which plays a role of guiding the locking ball, so that the head seat can be plugged conveniently.

When the plug is plugged, the plug body 21 enters the socket housing 11, the outer peripheral surface of the plug body 21 pushes the lock ball 13 outwards to make the lock ball protrude out of the outer peripheral surface of the socket housing 11, the plug is continuously inserted, the lock sleeve 22 of the plug is pushed by the lock ball 13 to overcome the acting force of the reset pressure spring 24 to move backwards until the lock ball axially moves to the lock ball positioning groove, the lock ball moves inwards under the action of the pushing wall 26 and partially enters the lock ball positioning groove 23 to realize axial locking of the plug and the socket, at this time, the lock ball 13 does not continue to block the pushing lock sleeve 22 in the axial direction, the lock sleeve is reset forwards under the action of the reset pressure spring 24, and the lock ball is kept at the locking position by the pushing wall 26. The lock balls form a socket locking structure movably arranged along the radial direction, and the lock ball positioning grooves on the plug-in body form an adaptive locking structure matched with the socket locking structure in a blocking manner along the axial direction of the connector. The locking sleeve 22 is a retaining sleeve, which limits radial movement of the locking balls during headstock locking so as to maintain a locked state, and unlocking is achieved by axial movement of the locking sleeve 22 along the connector.

At least one anti-rotation structure is axially arranged on the inner wall of the socket shell 11, and an adaptive anti-rotation structure matched with the anti-rotation structure is arranged on the plug-in body 21 so as to limit the relative radial rotation of the socket shell and the plug-in body. Specifically, the anti-rotation structure is a groove 14, the adaptive anti-rotation structure is a convex key 28, and the groove and the convex key are in sliding fit along the axial direction in the process of inserting the plug and the socket and realize the relative radial anti-rotation of the plug and the socket; of course, the groove can also be arranged on the plug-in body, and the convex key is arranged on the inner wall of the socket shell at the moment; the number of the grooves or the convex keys is at least one.

Preferably, a first sealing member 15 is embedded at the tail end of the socket housing 11 for sealing between the socket and the panel/box body; the inner wall surface of the socket shell 11 is provided with a second sealing element 16, the second sealing element 16 is in sealing fit with the outer wall surface of the plug-in body 21, and the second sealing element can be further prevented from being deformed easily by torsion under the condition that the headstock is prevented from rotating; the first sealing element and the second sealing element are preferably sealing rings for waterproof and dustproof functions.

Preferably, the rear end inside the socket housing 11 is provided with symmetrically arranged convex flats 17, the convex flats are positioned at the rear end of the second sealing element, and the distance between the convex flats 17 can be adaptively designed according to the type or size of a conducting element module installed inside the plug body; when the front end of the plug-in body is abutted against the convex flat in the process of inserting the head seat, the plug-in body is in place, at the moment, the fact that the conducting piece module and the corresponding module installed in the socket are mutually inserted in place and can be stably conducted is proved, the convex flat plays a role in limiting the inserting position of the plug-in body, and the distance between the convex flat and the convex flat is required to ensure that the inner core part can axially penetrate through the convex flat and the convex flat. When the front end of the socket shell is provided with two oppositely distributed grooves 14, the included angle between the symmetrical surfaces of the pair of grooves 14 and the symmetrical surfaces of the pair of convex-flat parts 17 is 90 degrees.

At least two screw holes 18 are uniformly distributed on the mounting flange of the socket shell 11, for example, when the mounting flange of the socket shell is square, two screw holes on an oblique diagonal line are arranged or a screw hole is respectively arranged at four vertex points, so that when the socket is stressed, the plugging force is uniformly distributed; in other embodiments, the mounting flange of the receptacle housing may be circular or other shapes.

In this embodiment, the size of the inner hole opening for the insertion body to penetrate through on the socket shell is greater than or equal to 20 mm; the center distance of the mounting holes is more than or equal to 20 mm; the distance between the convex flat is between 13.6mm and 19.6 mm; however the utility model discloses above-mentioned each size or distance do not do the restriction the utility model discloses a structural style is based, can carry out the size according to concrete operating mode demand and zoom.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art can easily modify, change or modify the above embodiments according to the technical spirit of the present invention without departing from the scope of the present invention.

Claims

1. The utility model provides a novel push-and-pull connector, to spigot end (1) and spigot end (2) including the adaptation, to spigot end (1) including socket shell (11), spigot end (2) including be used for inserting the socket shell (11) in spigot body (21), along the locking sleeve (22) of axial activity cover in the spigot body outside, socket shell (11) are gone up radial activity and are provided with socket locking structure, be equipped with on spigot body (21) along axial stop complex adaptation locking structure with socket locking structure, its characterized in that: at least one anti-rotation structure is arranged on the inner wall of the socket shell (11) along the axial direction, and an adaptive anti-rotation structure matched with the anti-rotation structure in a radial direction is arranged on the plug-in body (21).

2. A new push-pull connector as claimed in claim 1 wherein: the socket locking mechanism is a lock ball (13), and the adaptive locking mechanism is a lock ball positioning groove (23).

3. A new push-pull connector as claimed in claim 1 or 2 wherein: the anti-rotation structure is a groove (14), the adaptive anti-rotation structure is a convex key (28), and the groove (14) and the convex key (28) are in sliding fit along the axial direction in the inserting and closing process so as to realize radial rotation prevention of the inserting end (1) and the inserting and closing end (2).

4. A new push-pull connector as claimed in claim 3 wherein: the inner wall of the front end of the locking sleeve (22) is provided with an ejector wall (26) for radially and inwardly ejecting the locking ball.

5. A new push-pull connector as claimed in claim 1 wherein: the tail end of the socket shell (11) is provided with a first sealing piece (15) used for realizing sealing between the plug end and the panel or the box body.

6. A new push-pull connector as claimed in claim 1 wherein: a second seal member (16) which is in sealing engagement with the outer wall surface of the plug-in body (21) is provided on the inner wall surface of the socket housing (11).

7. A new push-pull connector as claimed in claim 1 wherein: the inner tail end of the socket shell is provided with symmetrically arranged convex flat parts (17).

8. The new push-pull connector as claimed in claim 7 wherein: when the front end of the socket shell (11) is provided with two anti-rotation structures which are distributed oppositely, the included angle between the symmetrical surfaces of a pair of anti-rotation structures and the symmetrical surfaces of a pair of convex flat structures (17) is 90 degrees.

9. A new push-pull connector as claimed in claim 1 wherein: the outer wall of the plug-in body (21) is provided with a retaining ring (27) which is matched with the locking sleeve (22) in a blocking way along the axial direction.

10. A new push-pull connector as claimed in claim 1 wherein: at least two screw holes (18) are uniformly distributed on a mounting flange of the socket shell (11).