Adapter with leakage-proof structure

Abstract

The utility model discloses an adapter with a leakage-proof structure. The adapter comprises a sleeve, a first sealing ring, an adapter body, a second sealing ring, a connecting plug and a limiting piece. A first boss is integrally arranged at the rear end of the sleeve in an outward protruding mode, and the rear end face of the boss makes contact with an external machine box. The first sealing ring is clamped between the first boss and the external case; when the sleeve and the case are installed, the sealing performance between the first boss and the side wall of the case is improved through the first sealing ring, and external water is prevented from entering the case from the joint of the sleeve and the case to damage the internal structure of the case. And the second sealing ring is clamped between the outer side wall of the adapter and the inner side wall of the mounting cavity, so that the sealing performance between the sleeve and the adapter is improved, and the overall waterproof and leakage-proof performance is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the connector field technology especially is a kind of adapter with leakage-proof structure. BACKGROUND

[0002] Adapter is mainly plugged in the both ends of connector by external two plug-in connectors, so that two plug-in connectors are adapted together, and it is mainly used in electronic products, for example, the adapter of MPO connector, MPO connector is a kind of optical fiber connector type, MPO (Multi Push On) is a kind of multi-core optical fiber connector type, which is adopted by IEEE standard as a kind of connector type for 40G / 100G transmission. MPO high-density optical fiber pre-connection system is currently mainly used in three fields: application in high-density environment of data center, application of optical fiber to building, and connection application in optical receiver and transmitter equipment such as optical splitter, 40G, 100G, QSFP+.

[0003] The existing adapter needs to pass through the external case and then be plugged with the plug-in port inside the case in some use scenarios. The existing adapter structure leaves a certain gap between the case when passing through the case, so that its sealing performance is poor, and external moisture can easily enter the case from the gap between the adapter and the case during use, thereby damaging the internal structure of the case, and the adapter does not have the leakage-proof function with the case. Therefore, it is necessary to further improve the structure of the existing adapter. UTILITY MODEL CONTENT

[0004] Therefore, the utility model mainly aims at the defects of the prior art, and provides an adapter with leakage-proof structure, which can effectively solve the problems of poor sealing performance, no leakage-proof function and easy damage to the internal structure of the case of the existing adapter.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0006] An adapter with leakage-proof structure includes a sleeve, a first sealing ring, an adapter, a second sealing ring, a plug-in connector and a limiting piece. The sleeve has a mounting cavity penetrating the front and rear end faces of the sleeve. A first boss is integrally provided outwardly at the rear end of the sleeve, and the rear end face of the first boss is in contact with the external case. The first sealing ring is clamped between the first boss and the external case. The adapter is arranged in the mounting cavity. The second sealing ring is clamped between the outer side wall of the adapter and the inner side wall of the mounting cavity. The plug-in connector is electrically connected with the adapter. The limiting piece covers the connection between the adapter and the plug-in connector.

[0007] As a preferred solution, the outer side wall of the sleeve is provided with threads matched with the external case.

[0008] As a preferred scheme, the front end of the first boss is inwardly recessed with a first mounting groove, and the first sealing ring is embedded in the first mounting groove and protrudes forward from the front end face of the first boss.

[0009] As a preferred scheme, the rear end opening of the mounting cavity is integrally inwardly recessed with a limiting part, the side wall of the adapter is outwardly protruded with a second boss, the rear end face of the second boss abuts on the front end face of the limiting part, and the outer side wall of the second boss is in contact with the inner side wall of the mounting cavity.

[0010] As a preferred scheme, the outer side wall of the second boss is inwardly recessed with a second mounting groove, and the second sealing ring is embedded in the second mounting groove and protrudes outward from the outer side wall of the second boss.

[0011] As a preferred scheme, the adapter comprises a first body and an adapter piece, the rear end of the first body is inwardly recessed with a plug-in cavity matched with the outside, and the adapter piece is arranged on the first body and protrudes outward from the front end of the adapter piece.

[0012] As a preferred scheme, the plug-in connector comprises a second body and a wire group, the wire group is embedded in the second body and protrudes backward from the second body, the wire group is in contact and conduction with the terminal group, the front end of the second body protrudes forward with a plug-in part matched with the outside, and the plug-in part is connected and conducted with the wire group.

[0013] As a preferred scheme, a dustproof plug is inserted into the plug-in cavity from the rear to the front, and a third sealing ring is clamped between the front end face of the dustproof plug and the inner side wall of the plug-in cavity.

[0014] As a preferred scheme, the dustproof plug is fixedly installed together with the inner side wall of the plug-in cavity through screwing.

[0015] As a preferred scheme, the limiting piece covers the connection part of the adapter and the plug-in connector through injection molding.

[0016] Compared with the prior art, the utility model has obvious advantages and beneficial effects, specifically speaking, from the above technical scheme, it is known that:

[0017] The rear end of the sleeve is integrally outwardly protruded with a first boss, the rear end face of the boss is in contact with the external case, the first sealing ring is clamped between the first boss and the external case, so that when the sleeve is installed with the case, the sealing performance between the first boss and the side wall of the case is increased through the first sealing ring, external moisture is prevented from entering the internal structure of the case from the connection part of the sleeve and the case, and the sealing performance between the sleeve and the adapter is increased through the second sealing ring clamped between the outer side wall of the adapter and the inner side wall of the mounting cavity, and the overall waterproof and leakage-proof performance is further improved.

[0018] In order to make the structure features and functions of the present application more clear, the present application will be described in detail below with reference to the drawings and specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 is a use state schematic diagram of the preferred embodiment of the present application;

[0020] Fig. 2 is a three-dimensional structure schematic diagram of the preferred embodiment of the present application;

[0021] Fig. 3 is an exploded state schematic diagram of the preferred embodiment of the present application;

[0022] Fig. 4 is a cross-sectional schematic diagram of the preferred embodiment of the present application.

[0023] BRIEF DESCRIPTION OF DRAWINGS

[0024] 10, sleeve 101, mounting cavity

[0025] 102, first mounting groove 11, first boss

[0026] 12, thread 13, limiting portion

[0027] 20, first sealing ring 30, adapter

[0028] 301, second mounting groove 302, plug-in cavity

[0029] 31, second boss 32, first body

[0030] 33, adapter 331, terminal group

[0031] 34, dust plug 35, third sealing ring

[0032] 40, second sealing ring 50, plug-in head

[0033] 51, second body 511, plug-in portion

[0034] 52, wire group 60, limiting member

[0035] 70, external case. DETAILED DESCRIPTION

[0036] Please refer to Figs. 1 to 4 , which shows the specific structure of the preferred embodiment of the present application, including sleeve 10, first sealing ring 20, adapter 30, second sealing ring 40, plug-in head 50 and limiting member 60.

[0037] The sleeve 10 has a mounting cavity 101 penetrating through the front and back end faces of the sleeve 10, and a first boss 11 is integrally outwardly protruded from the back end of the sleeve 10, and the back end face of the first boss 11 is in contact with the external case 70. In the embodiment, a thread 12 is arranged on the outer side wall of the sleeve 10 and cooperates with the external case 70, and the sleeve 10 can also be fixedly installed on the external case 70 by other ways such as external fixing bolts. The front end face of the first boss 11 is inwardly recessed with a first mounting groove 102. The back end opening of the mounting cavity 101 is integrally inwardly recessed with a limiting part 13.

[0038] The first sealing ring 20 is clamped between the first boss 11 and the external case 70. In the embodiment, the first sealing ring 20 is embedded in the first mounting groove 102 and protrudes forward from the front end face of the first boss 11.

[0039] The adapter 30 is arranged in the mounting cavity 101. In the embodiment, the side wall of the adapter 30 is outwardly protruded with a second boss 31, the back end face of the second boss 31 abuts on the front end face of the limiting part 13, the outer side wall of the second boss 31 is in contact with the inner side wall of the mounting cavity 101, and the adapter 30 is limited in the front and back directions by the cooperation of the limiting part 13 and the second boss. The outer side wall of the second boss 31 is inwardly recessed with a second mounting groove 301. The adapter 30 comprises a first body 32 and an adapter piece 33, the back end of the first body 32 is inwardly recessed with a plug-in cavity 302 cooperating with the outside, and the adapter piece 33 is arranged on the first body 32, and the front end of the adapter piece 33 outwardly protrudes with a terminal group 331. A dust plug 34 is inserted into the plug-in cavity 302 from back to front, and the third sealing ring 35 is clamped between the front end face of the dust plug 34 and the inner side wall of the plug-in cavity 302. When the adapter 30 is not plugged with the outside, the dust plug 34 can play a dustproof role by being inserted, and the waterproof performance between the dust plug 34 and the plug-in cavity 302 is increased by the arrangement of the third sealing ring 35. The dust plug 34 is fixedly installed together with the inner side wall of the plug-in cavity 302 by screwing.

[0040] The second sealing ring 40 is clamped between the outer side wall of the adapter 30 and the inner side wall of the mounting cavity 101. In the embodiment, the second sealing ring 40 is embedded in the second mounting groove 301 and protrudes outwardly from the outer side wall of the second boss 31, so as to ensure that the second sealing ring 40 is in a squeezed state after installation, and the sealing performance is ensured.

[0041] The plug-in connector 50 is electrically connected with the adapter 30; in the embodiment, the plug-in connector 50 comprises a second body 51 and a wire group 52; the wire group 52 is embedded in the second body 51 and extends out of the second body 51, the wire group 52 is in contact with the terminal group 331, and the front end of the second body 51 extends out of the second body 51 and is provided with a plug-in part 511 which is plugged with an external plug-in connector, and the plug-in part 511 is in contact with the wire group 52.

[0042] The limiting part 60 covers the connection between the adapter 30 and the plug-in connector 50; in the embodiment, the limiting part 60 covers the connection between the adapter 30 and the plug-in connector 40 by injection molding.

[0043] The assembly and use process of the embodiment are described as follows:

[0044] During assembly, the wire group 52 on the plug-in connector 50 is connected in one-to-one correspondence with the terminal group 331 on the adapter 30, then the limiting part 60 is formed at the connection between the adapter 30 and the plug-in connector 50 by injection molding, then the plug-in connector 50 is plugged with an interface on an external mainboard, the sleeve 10 is screwed into the external case 70 along the thread 12, and the adapter 30 extends out of the mounting cavity 101, at this time, the first sealing ring 20 is located between the first boss 11 and the external case 70, and the second sealing ring 40 is located between the adapter 30 and the inner side wall of the mounting cavity 101.

[0045] The design focus of the utility model lies in that: the first boss is integrally protruded outward at the rear end of the sleeve, the rear end surface of the boss is in contact with the external case, the first sealing ring is clamped between the first boss and the external case, so that the sealing performance between the first boss and the side wall of the case is increased by the first sealing ring when the sleeve is mounted with the case, external moisture is prevented from entering the internal structure of the case from the connection between the sleeve and the case, the sealing performance between the sleeve and the adapter is increased by the second sealing ring which is clamped between the outer side wall of the adapter and the inner side wall of the mounting cavity, and the overall waterproof and leakage-proof performance is further improved.

[0046] The above is only a preferred embodiment of the utility model, and does not limit the technical range of the utility model, so any slight modification, equivalent change and modification made according to the technical essence of the utility model to the above embodiment still belongs to the range of the technical scheme of the utility model.

Claims

1. An adapter with a leak-proof structure, characterized by: The sleeve has a mounting cavity penetrating the front and rear end faces of the sleeve, the rear end of the sleeve integrally outwardly protrudes a first boss, the rear end face of the first boss is in contact with the external case; the first sealing ring is clamped between the first boss and the external case; the adapter is arranged in the mounting cavity; the second sealing ring is clamped between the outer side wall of the adapter and the inner side wall of the mounting cavity; the plug-in connector is electrically connected with the adapter; the limiting piece covers the connection between the adapter and the plug-in connector.

2. The adapter with a leak-proof structure according to claim 1, characterized in that: The outer side wall of the sleeve is provided with threads matched with the external case.

3. The adapter with a leak-proof structure according to claim 1, characterized in that: The front end face of the first boss inwardly recesses a first mounting groove, and the first sealing ring is embedded in the first mounting groove and protrudes forward from the front end face of the first boss.

4. The adapter with a leakproof structure according to claim 1, characterized in that: The rear end opening of the mounting cavity integrally inwardly recesses a limiting portion, the side wall of the adapter outwardly protrudes a second boss, the rear end face of the second boss abuts on the front end face of the limiting portion, and the outer side wall of the second boss is in contact with the inner side wall of the mounting cavity.

5. The adapter with a leak-proof structure according to claim 4, characterized in that: The outer side wall of the second boss inwardly recesses a second mounting groove, and the second sealing ring is embedded in the second mounting groove and protrudes outwardly from the outer side wall of the second boss.

6. The adapter with a leakproof structure according to claim 1, characterized in that: The adapter comprises a first body and an adapter piece, the rear end of the first body inwardly recesses a plug-in cavity matched with the outside, the adapter piece is arranged on the first body, and the front end of the adapter piece outwardly protrudes a terminal group.

7. The adapter with a leak-proof structure according to claim 6, characterized in that: The plug-in connector comprises a second body and a wire group; the wire group is embedded in the second body and protrudes backward from the second body, the wire group is in contact and conduction with the terminal group, the front end of the second body protrudes forward a plug-in part matched with the outside, and the plug-in part is connected and conducted with the wire group.

8. The adapter with a leak-proof structure according to claim 6, characterized in that: A dust plug is inserted into the plug-in cavity from the rear to the front, and a third sealing ring is clamped between the front end face of the dust plug and the inner side wall of the plug-in cavity.

9. The adapter with a leak-proof structure according to claim 8, characterized in that: The dust plug is fixedly installed together with the inner side wall of the plug-in cavity by screwing.

10. The adapter with a leakproof structure according to claim 1, characterized in that: The limiting piece covers the connection between the adapter and the plug-in connector by injection molding. The limiting piece covers the connection between the adapter and the plug-in connector by injection molding.

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