CN114447670B

CN114447670B - Multi-channel push-pull plug

Info

Publication number: CN114447670B
Application number: CN202210058699.1A
Authority: CN
Inventors: 谢庆陆; 张来峰; 孙亚磊; 石晓强
Original assignee: China Aviation Optical Electrical Technology Co Ltd
Current assignee: China Aviation Optical Electrical Technology Co Ltd
Priority date: 2022-01-19
Filing date: 2022-01-19
Publication date: 2024-04-16
Anticipated expiration: 2042-01-19
Also published as: CN114447670A

Abstract

The utility model provides a multichannel push-pull plug, including a plurality of plug inserts, at least one contact pin through-hole has been seted up on the plug insert, be equipped with the contact pin in the contact pin through-hole, the inside at holding the casing is installed to the one end of plug insert, the wire stretches into holding the inside of casing and is connected with the contact pin from holding the opposite side of casing, form rational in infrastructure, compact whole, a plurality of plug inserts can guarantee the relative position between a plurality of contact pins, make in a plurality of contact pins can accurate insert the socket simultaneously, prevent to appear individual contact pin off tracking's condition in the socket, guaranteed the grafting accuracy of multichannel plug, thereby promote the light passing performance of product.

Description

Multi-channel push-pull plug

Technical Field

The invention relates to the field of communication equipment plug devices, in particular to a multichannel push-pull plug.

Background

With the continuous development of 5G technology, the requirements on the stability of the optical transmission performance of the communication equipment are continuously improved, and the current communication transmission application is relatively wide in connectors such as FC, LC, SC, MPO and the like, and single-core and double-core products of the same type derived from the connectors. Most of the existing connectors are of a single-channel structure, namely, only a single pin or a core insert is arranged, when the existing connectors adopt a multi-channel structure, the distribution of a plurality of pins or core inserts in the existing connectors is unreasonable, the situation that the pins or core inserts are misplaced relatively easily occurs, the pins or core inserts of the multi-channel connectors are difficult to accurately insert into a socket at the same time, the situation that individual pins or core inserts deviate in the socket easily occurs, and the light transmission performance of products is affected.

Disclosure of Invention

The invention aims to provide a multi-channel push-pull plug, optimize the structure of the multi-channel plug and improve the plugging accuracy.

The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a multichannel push-and-pull plug, includes a plurality of plug inserts, has seted up at least one contact pin through-hole on the plug insert, is equipped with the contact pin in the contact pin through-hole, and the inside at holding the casing is installed to the one end of plug insert, and the wire stretches into holding the inside of casing and is connected with the contact pin from holding the opposite side of casing.

Preferably, the upper half part of the accommodating shell is of an open structure and is provided with a cover plate, one side of the cover plate, which is close to the plug-in piece, is provided with a plurality of horizontal tabs, one side of the cover plate, which is far away from the plug-in piece, is provided with a plurality of inclined tabs, the horizontal tabs are axially parallel to the plug-in piece, the inclined tabs are axially inclined to the plug-in piece, and a plurality of bosses which are buckled with the horizontal tabs and the inclined tabs in a one-to-one correspondence manner are arranged on the outer side of the accommodating shell.

Preferably, a plurality of avoidance grooves are formed in one side, close to the plug-in piece, of the cover plate, and tail ends of the plug-in pieces are located in the respective avoidance grooves.

Preferably, the multi-channel push-pull plug further comprises a locking device and a push-pull unlocking slide plate, the locking device is rotatably arranged on the plug insert, a sliding groove for the push-pull unlocking slide plate to move is formed in the cover plate, when the push-pull unlocking slide plate pushes the plug to enter the socket, the locking device can automatically rotate to a locking position buckled with the socket, and when the push-pull unlocking slide plate pulls the plug to withdraw from the socket, the push-pull unlocking slide plate can drive the locking device to rotate from the locking position to an unlocking position separated from the socket.

Preferably, the middle part of the plug insert is penetrated with a locking device rotating shaft, a rotating shaft hole is formed in the locking device, a locking hook and a locking inclined plane are arranged on one side of the locking device, which is close to the port of the contact pin through hole, when the plug is pushed into the socket by the push-pull unlocking slide plate, the end part of the socket can move to the locking hook along the locking inclined plane and enable the locking hook to be buckled with the socket, an elastic pressing sheet is arranged on the locking device, and the surface of the plug insert is pushed by the elastic pressing sheet, so that the locking device generates a rotating trend with the same orientation as the locking hook, and the locking hook is prevented from being separated from the socket.

Preferably, an unlocking hook and an unlocking inclined plane are arranged on one side, away from the port of the through hole of the contact pin, of the locking device, the unlocking hook extends into an unlocking hook slot of the push-pull unlocking slide plate, when the push-pull unlocking slide plate pulls the plug to withdraw from the socket, the edge of the unlocking hook slot can move on the unlocking inclined plane, and the locking device is enabled to rotate to be separated from the socket along the direction opposite to the direction of the locking hook.

Preferably, the push-pull unlocking slide plate is provided with limiting protrusions along two sides of the width direction, the sliding grooves are provided with limiting protrusion clamping grooves along two sides of the width direction, and after the locking hooks are separated from the socket, the limiting protrusions can push the groove bottom surfaces of the limiting protrusion clamping grooves so as to limit the push-pull unlocking slide plate to be separated from the sliding grooves.

According to the technical scheme, the invention has the beneficial effects that:

the push-pull plug provided by the invention is provided with the plurality of plug inserts, the pins are arranged in the pin through holes of the plug inserts, and finally one end of the plug inserts is arranged in the accommodating shell to form a reasonable and compact whole, so that the plurality of plug inserts can ensure the relative positions among the plurality of pins, the plurality of pins can be accurately inserted into the socket at the same time, the situation that individual pins deviate in the socket is prevented, the plugging accuracy of the multichannel plug is ensured, and the light transmission performance of a product is improved.

Drawings

FIG. 1 is a schematic view of a plug and receptacle;

FIG. 2 is a schematic view of a plug;

FIG. 3 is an exploded view of the plug;

FIG. 4 is an enlarged view of the containment housing, cover plate, push-pull unlocking slide;

FIG. 5 is an enlarged view of the plug insert, the protective device return spring, the slide, and the plug protective device;

fig. 6 is an enlarged view of the locking device.

The marks in the figure: 1. plug, 2, socket, 3, tail sleeve, 4, closing device, 5, strutting arrangement, 6, stop device, 7, contact pin reset spring, 8, contact pin, 9, holding shell, 10, apron, 11, push-pull unlocking slide, 12, locking device, 13, plug insert, 14, slide return spring, 15, slide, 16, plug protection device, 17, push-pull portion, 18, unlocking hook slot, 19, spacing protrusion, 20, spacing protrusion draw-in groove, 21, sliding groove, 22, dodge groove, 23, horizontal tab, 24, slope tab, 25, boss, 26, locking device pivot, 27, contact pin through-hole, 28, slide guide slot, 29, spacing hook guide slot, 30, protective cap, 31, spacing hook, 32, pivot hole, 33, locking hook, 34, locking bevel, 35, unlocking hook, 36, unlocking bevel, 37, elasticity.

Detailed Description

Referring to the drawings, the specific embodiments are as follows:

the utility model provides a multichannel push-and-pull plug, as shown in fig. 1, this plug 1 can insert socket 2 through the push-and-pull mode or withdraw from in the socket 2, as shown in fig. 2, 3, this plug 1 includes accommodation case 9, apron 10, push-and-pull unblock slide 11, tail housing 3, closing device 4, strutting arrangement 5 and two plug inserts 13, as shown in fig. 5, pin through-hole 27 has been seted up on the plug inserts 13, be equipped with contact pin 8 in the pin through-hole 27, the inside at accommodation case 9 is installed to the one end of plug inserts 13, strutting arrangement 5, closing device 4 and tail housing 3 cup joint in proper order and install the opposite side at accommodation case 9, accommodation case 9's inside is equipped with two stop device 6, be equipped with a contact pin reset spring 7 between two stop device 6 and the two contact pin 8 respectively.

The wire can stretch into the inside that holds casing 9 from tail housing 3, closing device 4 and strutting arrangement 5, then the wire divide into two ways and get into two stop device 6 respectively, and pin reset spring 7's one end top is on stop device 6, and another pot head is established at pin 8 tail end and is on the arch at pin 8 middle part, and the wire can be followed stop device 6's through-hole and worn out, penetrates pin reset spring 7's inboard, and final winding is at pin 8 tail end, realizes pin 8's communication transmission function.

As shown in fig. 4, the upper half of the accommodating case 9 is of an open structure, the cover plate 10 is covered on the accommodating case 9, two horizontal lugs 23 are arranged on one side of the cover plate 10 close to the plug insert 13, two inclined lugs 24 are arranged on one side of the cover plate 10 far away from the plug insert 13, four bosses 25 which are buckled with the horizontal lugs 23 and the inclined lugs 24 in a one-to-one correspondence manner are arranged on the outer side of the accommodating case 9, the cover plate 10 and the accommodating case 9 can be connected with each other, the horizontal lugs 23 and the axial direction of the plug insert 13 are arranged in parallel, the cover plate 10 and the accommodating case 9 can generate sufficient force for limiting the plug insert 13, and the inclined lugs 24 and the axial direction of the plug insert 13 are obliquely arranged so as to strengthen buckling strength of the cover plate 10 and the accommodating case 9. Two avoidance grooves 22 are further formed in one side of the cover plate 10, and tail ends of the two plug inserts 13 are located in the two avoidance grooves 22 respectively.

As shown in fig. 2 and 3, the end of the plug insert 13 is provided with a plug protection device 16, as shown in fig. 5, the plug protection device 16 comprises a protection cap 30, one end of the protection cap 30 is provided with two limiting hooks 31, one side of the plug insert 13 is provided with two sections of limiting hook guide grooves 29, the end parts of the two limiting hooks 31 are respectively clamped at the corners of the two sections of limiting hook guide grooves 29, and the protection cap 30 covers the port of the pin through hole 27, so that the plug protection device 16 is positioned at a closing position capable of closing the port of the pin through hole 27.

The plug-in piece 13 is also provided with a section of sliding cylinder guide groove 28, the sliding cylinder guide groove 28 is positioned between the two sections of limit hook guide grooves 29, the sliding cylinder guide groove 28 is parallel to the contact pin through hole 27, the front end of the sliding cylinder guide groove 28 is positioned on the surface of the plug-in piece 13, and the tail end of the sliding cylinder guide groove 28 is of a blind hole structure positioned inside the plug-in piece 13. The slide cylinder guide groove 28 is internally provided with a slide cylinder 15 and a slide cylinder return spring 14, one end of the slide cylinder return spring 14 is propped against the inner side end surface of the blind hole structure of the slide cylinder guide groove 28, the other end of the slide cylinder return spring 14 is propped against one end of the slide cylinder 15, and the other end of the slide cylinder 15 is propped against the plug protection device 16 at a position between the two limiting hooks 31.

When the plug 1 is inserted into the socket 2, the socket 2 contacts and pushes the two limiting hooks 31, the two limiting hooks 31 can drive the protective cap 30 to rotate around the corners of the limiting hook guide groove 29 from the closed position and then move along the length direction of the limiting hook guide groove 29, and finally the plug protection device 16 stays at the open position exposing the port of the pin through hole 27, so that the socket 2 can be in butt joint with the pin 8 in the pin through hole 27; the slide 15 is also pushed by the plug protector 16 to move in the slide guide 28 and the slide return spring 14 is compressed.

When the plug 1 is withdrawn from the socket 2, the slide cylinder return spring 14 stretches to push the slide cylinder 15 to move reversely, the slide cylinder 15 pushes the plug protection device 16 to enable the two limit hooks 31 to move to the corners of the limit hook guide grooves 29 again, then the two limit hooks rotate around the corners of the limit hook guide grooves 29 to return to the state that the protective cap 30 covers the port of the pin through hole 27, the plug protection device 16 is reset to the closed position, and the plug protection device 16 can be automatically kept at the closed position by the elastic force of the slide cylinder return spring 14.

As shown in fig. 2 and 3, the plug 1 is further provided with a locking device 12, as shown in fig. 5, the middle part of the plug insert 13 is penetrated with a locking device rotating shaft 26, as shown in fig. 6, the locking device 12 is provided with a rotating shaft hole 32, so that the two locking devices 12 are respectively rotatably arranged on the two plug inserts 13, one side of the locking device 12, which is close to the port of the pin through hole 27, is provided with a locking hook 33 and a locking inclined plane 34, and one side of the locking device 12, which is far away from the port of the pin through hole 27, is provided with an unlocking hook 35 and an unlocking inclined plane 36.

When the plug 1 is inserted into the socket 2, the end of the socket 2 contacts the locking slope 34 and moves along the locking slope 34 until the locking hook 33 is hooked into the locking groove of the socket 2; the locking device 12 is provided with an elastic pressing piece 37, the bottom end of the elastic pressing piece 37 is pressed on the surface of the plug insert 13, and the plug insert 13 is continuously pushed by elastic force, so that the locking device 12 generates a rotation trend with the same direction as that of the locking hook 33, and the locking hook 33 can be kept in a state of being buckled with the socket 2, so that the plug 1 and the socket 2 are mutually locked.

As shown in fig. 4, the push-pull unlocking slide plate 11 is provided with two unlocking hook slots 18, and the unlocking hooks 35 of the two locking devices 12 respectively extend into the two unlocking hook slots 18. The two sides of the push-pull unlocking slide plate 11 along the width direction are respectively provided with a limiting protrusion 19, the cover plate 10 is provided with a sliding groove 21 for the push-pull unlocking slide plate 11 to move, the two sides of the sliding groove 21 along the width direction are respectively provided with a limiting protrusion clamping groove 20, and the limiting protrusions 19 are blocked by the end surfaces of the limiting protrusion clamping grooves 20 so as to limit the push-pull unlocking slide plate 11 from falling out of the sliding groove 21. The tail end of the push-pull unlocking slide plate 11 is provided with a push-pull part 17, and an operator can drive the plug 1 to perform plug-in operation through the push-pull part 17.

When the plug 1 is withdrawn from the socket 2, the push-pull unlocking slide plate 11 moves in the sliding groove 21, at this time, the edge of the unlocking hook slot 18 moves on the unlocking inclined plane 36, and the moving direction of the unlocking hook slot 18 is parallel to the length direction of the pin 8 and does not deviate, so that the edge of the unlocking hook slot 18 pushes the unlocking inclined plane 36 to rotate the locking device 12 in the direction opposite to the direction of the locking hook 33 until the locking hook 33 is separated from the locking groove of the socket 2, the plug 1 is unlocked from the socket 2, and the plug 1 can be smoothly pulled out from the socket 2 by continuously pulling the push-pull part 17.

After the plug 1 is withdrawn from the socket 2, the pulling of the push-pull portion 17 is stopped, the elastic force of the elastic pressing piece 37 can enable the locking device 12 to reversely rotate and reset along the direction same as the direction of the locking hook 33, and along with the reverse rotation of the locking device 12, the unlocking inclined surface 36 can push the edge of the unlocking hook slot 18, so that the push-pull unlocking slide plate 11 can also return to the position when the locking device 12 can be locked, and the plug 1 can still be automatically locked when being inserted into the socket 2 next time.

Claims

1. A multi-channel push-pull plug, characterized in that: the plug comprises a plurality of plug inserts (13), wherein at least one pin through hole (27) is formed in the plug inserts (13), pins (8) are arranged in the pin through holes (27), one end of each plug insert (13) is arranged in the accommodating shell (9), and a wire extends into the accommodating shell (9) from the other side of the accommodating shell (9) and is connected with the corresponding pin (8);

the upper half part of the accommodating shell (9) is of an open structure and is provided with a cover plate (10), one side of the cover plate (10) close to the plug-in piece (13) is provided with a plurality of horizontal lugs (23), one side of the cover plate (10) far away from the plug-in piece (13) is provided with a plurality of inclined lugs (24), the horizontal lugs (23) are axially parallel to the plug-in piece (13), the inclined lugs (24) are axially inclined to the plug-in piece (13), and a plurality of bosses (25) which are buckled with the horizontal lugs (23) and the inclined lugs (24) in one-to-one correspondence are arranged on the outer side of the accommodating shell (9);

the plug connector further comprises a locking device (12) and a push-pull unlocking slide plate (11), wherein the locking device (12) is rotatably arranged on the plug insert (13), a sliding groove (21) for the push-pull unlocking slide plate (11) to move is formed in the cover plate (10), when the push-pull unlocking slide plate (11) pushes the plug into the socket, the locking device (12) can automatically rotate to a locking position buckled with the socket, and when the push-pull unlocking slide plate (11) pulls the plug to withdraw from the socket, the push-pull unlocking slide plate (11) can drive the locking device (12) to rotate from the locking position to an unlocking position separated from the socket;

a locking device rotating shaft (26) is arranged in the middle of the plug insert (13) in a penetrating mode, a rotating shaft hole (32) is formed in the locking device (12), a locking hook (33) and a locking inclined surface (34) are arranged on one side, close to a port of the pin through hole (27), of the locking device (12), when the plug is pushed into a socket by the push-pull unlocking sliding plate (11), the end portion of the socket can move to the locking hook (33) along the locking inclined surface (34) and enable the locking hook (33) to be buckled with the socket, an elastic pressing piece (37) is arranged on the locking device (12), the surface of the plug insert (13) is pushed through the elastic pressing piece (37), and the locking device (12) and the locking hook (33) are enabled to have the same direction of rotation, so that the locking hook (33) and the socket are prevented from being separated.

2. A multi-channel push-pull plug according to claim 1, wherein: a plurality of avoidance grooves (22) are formed in one side, close to the plug-in piece (13), of the cover plate (10), and tail ends of the plug-in pieces (13) are respectively located in the respective avoidance grooves (22).

3. A multi-channel push-pull plug according to claim 1, wherein: one side of the locking device (12) far away from the port of the contact pin through hole (27) is provided with an unlocking hook (35) and an unlocking inclined plane (36), the unlocking hook (35) stretches into an unlocking hook slot (18) of the push-pull unlocking slide plate (11), when the push-pull unlocking slide plate (11) pulls the plug to withdraw from the socket, the edge of the unlocking hook slot (18) can move on the unlocking inclined plane (36), and the locking device (12) can rotate to the locking hook (33) along the direction opposite to the direction of the locking hook (33) to be separated from the socket.

4. A multi-channel push-pull plug according to claim 3, wherein: the push-pull unlocking slide plate (11) is provided with limiting protrusions (19) along two sides of the width direction, the sliding grooves (21) are provided with limiting protrusion clamping grooves (20) along two sides of the width direction, and after the locking hooks (33) are separated from the socket, the limiting protrusions (19) can push the bottom surfaces of the limiting protrusion clamping grooves (20) so as to limit the push-pull unlocking slide plate (11) to deviate from the sliding grooves (21).