Dustproof connector

By designing a dustproof mechanism with a sealing door and a reset component in the connector, the problem of dust easily falling into the dustproof connector when the door is opened is solved, realizing automatic sealing of the plug and socket and ensuring the dustproof effect of fiber optic transmission.

CN115764402BActive Publication Date: 2026-01-09RESERCH ON ELECTRICAL APPLIANCES OF SHANGHAI ASTRONAUTICS CO LTD
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Patent Information

Application Number
CN202211503785.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-11-28
Publication Date
2026-01-09
Estimated Expiration
2042-11-28

AI Technical Summary

Technical Problem

Existing dustproof connectors are prone to dust falling into the fiber optic contact terminals when the door is opened, affecting fiber optic transmission performance, especially the inward-opening structure, which is more susceptible to dust contamination.

Method used

A dustproof connector was designed, which employs a dustproof mechanism in which the plug and socket each contain a sealing door, a sealing element, and a reset element. When the plug and socket are connected, the sealing door automatically closes to ensure a dustproof seal between the plug and socket.

Benefits of technology

The plug and socket remain closed when not in contact, and automatically seal after connection to prevent dust from entering and ensure the stability and reliability of fiber optic transmission.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application relates to the technical field of connector, especially to a dustproof connector, which comprises a plug, a dustproof mechanism arranged in the interior of a base A, the dustproof mechanism comprising two head abutting sealing doors, a sealing piece for ensuring the sealing performance between the two sealing doors and a reset piece for controlling the closing of the two sealing doors, and a socket. In the technical scheme of the dustproof connector, when the plug and the socket are not connected, the heads of the two sealing doors abut under the action of the reset piece, so as to ensure the closure of the plug part; when the connection is completed, the head of the sealing door abuts against the side wall of the socket, so as to ensure the closure of the whole plug and socket; the sealing piece is arranged to ensure the sealing and dustproof of the plug part before the connection and to ensure the sealing and dustproof between the plug and the socket after the connection; the dustproof mechanism is arranged, and the sealing door is automatically closed during the plugging and unplugging of the connector, so as to play a dustproof and sealing role.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of connectors, in particular to a dustproof connector. BACKGROUND

[0002] Connectors, also known as plugs, sockets and jacks, play a role in bridging the gap between the circuits that are blocked or isolated, so as to make the current flow and make the circuit realize the predetermined function.

[0003] With the development of optical communication technology, the disturbance of dust in the cabinet leads to the pollution of the optical fiber contact end and affects the performance of optical fiber transmission. Therefore, the use of connectors with dustproof doors for signal transmission is increasing.

[0004] However, due to the limitation of the size and structure of the commonly used dustproof connector, the two half type middle opening dustproof door structure with outer opening door or inner opening door is often used. When the door is opened, whether it is an inner opening type or an outer opening type, the dust attached to the surface of the door will fall into the optical fiber contact end from the opening of the door at the moment the two half doors are opened, especially the dust is more likely to fall into the optical fiber contact end in the inner opening type structure. SUMMARY

[0005] The present application provides a dustproof connector to overcome the shortcomings of the prior art.

[0006] The present application solves the above technical problems by the following technical means:

[0007] A dustproof connector, comprising

[0008] A plug, the plug comprising a base A and an MT assembly A, the MT assembly A being arranged inside the base A and connected with the base A by a screw, and a mating groove being formed in the inside of the base A;

[0009] A dustproof mechanism, the dustproof mechanism being arranged inside the base A, the dustproof mechanism comprising two head abutting sealing doors, a sealing element for ensuring the sealing performance between the two sealing doors, and a reset element for controlling the closing of the two sealing doors;

[0010] A socket, the socket comprising a base B and an MT assembly B, the MT assembly B being arranged inside the base B and connected with the base B by a screw, and a protrusion one being arranged on the socket, when the plug and the socket are mated, the protrusion one passes between the two sealing doors and is inserted into the mating groove arranged on the base A.

[0011] As an improvement of the above technical solution, the head of the sealing door is arranged in an arc shape to facilitate the passage of the protrusion one.

[0012] As the improvement of the above technical scheme, the thickness of the protruding block near the one end of the socket is greater than the thickness of the protruding block far from the one end of the socket, and the butt joint groove matches the protruding block;

[0013] And / or, the protruding block is arranged as a trapezoidal protruding block;

[0014] And / or, the protruding block is arranged as an arc-shaped protruding block.

[0015] As the improvement of the above technical scheme, the sealing member is arranged as a first sealing member, the first sealing member includes two sealing rings sleeved on the sealing door, a sealing pad installed in the inner part of the base A, the two sealing rings located at the head part of the sealing door abut against each other, and the two sealing rings located at the tail part of the sealing door abut against the sealing pad;

[0016] The reset member is arranged as a first reset member, the first reset member includes a first shaft pin fixedly inserted into the head part of the sealing door, an arc-shaped sliding groove opened on the side wall of the base A, and a first installation groove opened in the inner part of the base A, the first shaft pin is in sliding fit with the arc-shaped sliding groove, and the first installation groove has a first spring installed in the inner part thereof, and the tail part of the sealing door abuts against the first spring.

[0017] As the improvement of the above technical scheme, the sealing pad is provided with at least two first clamping blocks, and the base A is provided with a first clamping groove matched with the first clamping block.

[0018] As the improvement of the above technical scheme, the base A is matched with a shell, the outer side of the base A is provided with at least two second clamping blocks, and the shell is provided with a second clamping groove matched with the second clamping block.

[0019] As the improvement of the above technical scheme, the sealing door is provided with an annular groove for installing the sealing ring, and the two sealing rings on the same sealing door abut against each other.

[0020] As the improvement of the above technical scheme, the head part and the tail part of the two sealing doors are located on the same straight line, and the tail part of the sealing door movably penetrates the base A.

[0021] The sealing member is arranged as a second sealing member, and the second sealing member includes a sealing strip arranged at the head part of the sealing door.

[0022] The reset member is arranged as a second reset member, and the second reset member includes a protruding block two installed on the side wall of the sealing door and a second installation groove opened in the inner wall of the base A, and the second installation groove is arranged along the height direction of the sealing door.

[0023] The protruding block two movably penetrates a second shaft pin installed in the inner part of the second installation groove, the second shaft pin movably penetrates a second spring, and the two ends of the second spring abut against the protruding block two and the inner wall of the second installation groove, respectively.

[0024] As the improvement of the above technical scheme, the sealing door is provided with a groove for mounting a sealing strip.

[0025] As the improvement of the above technical scheme, the dustproof device is sleeved on the butt joint end of the socket.

[0026] The beneficial effects of the present application are as follows:

[0027] In the technical scheme of the dustproof connector, when the plug and the socket are not butt joint, the heads of the two sealing doors abut under the action of the reset member, so as to ensure the closure of the plug part; when the butt joint is completed, the head of the sealing door abuts against the side wall of the socket, so as to ensure the closure of the whole plug and socket.

[0028] The sealing member is arranged to ensure the dustproof sealing of the plug part before butt joint and the dustproof sealing between the plug and the socket after butt joint; the dustproof mechanism is arranged to realize the automatic closing of the sealing door during the plugging and unplugging of the connector, so as to play the dustproof sealing role. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a structural schematic view of the dustproof connector according to the embodiment 1 of the present application;

[0030] Figure 2 It is a structural schematic view of the dustproof connector according to the embodiment 1 of the present application; Figure 1 It is a sectional view along A-A (the section line is located at the position of the first mounting groove);

[0031] Figure 3 It is a sectional view along A-A (the section line is located at the position of the first mounting groove);

[0032] Figure 4 It is a sectional view along A-A (the section line is located at the position of the first mounting groove); Figure 3 It is a sectional view along B-B (the section line is located at the central position);

[0033] Figure 5 It is an explosion schematic view of the dustproof mechanism according to the embodiment 1 of the present application;

[0034] Figure 6 It is a structural schematic view of the dustproof connector according to the embodiment 2 of the present application;

[0035] Figure 7 It is a structural schematic view of the dustproof connector according to the embodiment 2 of the present application; Figure 6 It is a sectional view along C-C;

[0036] Figure 8 It is a sectional view along C-C; Figure 6 It is an enlarged sectional view along D-D;

[0037] Figure 9 It is a sectional view along D-D;

[0038] Figure 10 The explosion schematic view of the dustproof mechanism according to the embodiment 2 of the application is shown in the figure;

[0039] Figure 11 The structure schematic view of the dustproof mechanism according to the embodiment of the application is shown in the figure;

[0040] The figure shows the following: plug 10, base A11, docking groove 12, dustproof mechanism 20, sealing door 21, sealing ring 201, sealing gasket 202, first shaft pin 203, arc-shaped sliding groove 204, first mounting groove 205, first spring 206, shell 207, first clamping groove 208, second clamping block 209, sealing strip 211, protrusion 2 212, second shaft pin 213, second spring 214, second mounting groove 215, socket 30, base B31, protrusion 1 32, dustproof mechanism 40. DETAILED DESCRIPTION

[0041] In order to make the purpose, technical scheme and advantages of the embodiments of the application clearer, the technical scheme of the embodiments of the application will be described clearly and completely below with reference to the drawings of the embodiments of the application. Obviously, the described embodiments are some but not all of the embodiments of the application. Based on the embodiments of the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.

[0042] It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can be present.

[0043] Embodiment 1

[0044] As shown in the figure, the dustproof connector according to the embodiment of the application comprises Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5

[0045] Plug 10, the plug 10 comprises base A11 and MT assembly A, the MT assembly A is arranged in the inside of the base A11 and is connected with the base A11 through a screw, and the inside of the base A11 is provided with a docking groove 12;

[0046] Dustproof mechanism 20, the dustproof mechanism 20 is arranged in the inside of the base A11, and the dustproof mechanism 20 comprises two head abutting sealing doors 21, a sealing member for ensuring the sealing performance between the two sealing doors and a reset member for controlling the closing of the two sealing doors;

[0047] ​The socket 30 comprises a base B31 and an MT assembly B arranged inside the base B31 and connected with the base B31 by screws. The socket 30 is provided with a protrusion one 32. When the plug 10 and the socket 30 are connected, the protrusion one 32 passes between the two sealing doors 21 and is inserted into the connecting groove 12 arranged on the base A11. At this time, the end faces of the MT assembly A and the MT assembly B are tightly attached, and optical transmission is realized.

[0048] In the technical scheme of the dustproof connector, when the plug 10 and the socket 30 are not connected, the heads of the two sealing doors 21 abut under the action of the reset member, so as to ensure the sealing of the plug 10. When the plug 10 and the socket 30 are connected, the protrusion one 32 gives a proper force to the sealing door 21 to move the sealing door 21, so that the sealing door 21 is opened and passes between the two sealing doors 21. When the connection is completed, the head of the sealing door 21 abuts against the side wall of the socket 30, so as to ensure the sealing of the whole plug 10 and socket 30.

[0049] The sealing member is arranged to ensure the sealing and dust prevention of the plug 10 before connection and to ensure the sealing and dust prevention between the plug 10 and the socket 30 after connection. The dustproof mechanism 20 is arranged to realize automatic closing of the sealing door 21 during the connection and disconnection of the connector, so as to play a dustproof and sealing role.

[0050] As shown in Figure 4 , Figure 9 , in order to facilitate the protrusion one 32 to pass between the heads of the two sealing doors 21, the head of the sealing door 21 is arranged in an arc shape.

[0051] As shown in Figure 4 , Figure 9 , in order to facilitate the protrusion one 32 to pass between the heads of the two sealing doors 21, specifically, Figure 4 As shown in ,

[0052] , the protrusion one 32 is arranged in a trapezoidal shape. Figure 9

[0053] As other embodiments, the protrusion one 32 can be arranged in other shapes with a thickness close to one end of the socket 30 greater than a thickness away from the other end of the socket 30, and the connecting groove 12 is matched with the protrusion one 32.

[0054] As shown in Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5As shown, the sealing member is provided as a first sealing member, the first sealing member includes two sealing rings 201 sleeved on the sealing door 21, a sealing gasket 202 installed inside the base A11, the two sealing rings 201 located at the head of the sealing door 21 abut, and the two sealing rings 201 located at the tail of the sealing door 21 abut with the sealing gasket 202;

[0055] The reset member is provided as a first reset member, the first reset member includes a first shaft pin 203 fixedly inserted at the head of the sealing door 21, an arc-shaped sliding groove 204 opened on the side wall of the base A11, and a first installation groove 205 opened inside the base A11, the first shaft pin 203 is in sliding fit with the arc-shaped sliding groove 204, one end of the arc-shaped sliding groove 204 located at the middle position of the base A11 is closer to the socket 30 than the other end located at the edge position of the base A11, and the first installation groove 205 has a first spring 206 installed inside, and the tail of the sealing door 21 abuts with the first spring 206, wherein the number of the sealing door 21 and the first spring 206 corresponds, which can be provided as one sealing door 21 corresponding to two first springs 206.

[0056] As shown in Figure 5 In order to facilitate the installation and disassembly of the sealing gasket 202, the sealing gasket 202 and the base A11 are in clamping fit, the sealing gasket 202 is provided with at least two first clamping blocks, and the base A11 is provided with a first clamping groove 208 in clamping fit with the first clamping block.

[0057] As shown in Figure 5 In order to facilitate the installation and disassembly of the housing 207, the housing 207 and the base A11 are in clamping fit, the base A11 is provided with the housing 207 in clamping fit, the outer side of the base A11 is provided with at least two second clamping blocks 209, and the housing 207 is provided with a second clamping groove in clamping fit with the second clamping block 209; the housing 207 covers the connection between the first shaft pin 203 and the arc-shaped sliding groove 204, and the connection between the first clamping block and the first clamping groove 208, thereby ensuring the sealing performance inside the base A11.

[0058] As shown in Figure 5 In order to ensure the stability of the sealing ring 201 on the sealing door 21 and reduce the space occupied by the components, the sealing door 21 is provided with an annular groove for installing the sealing ring 201, the two sealing rings 201 on the same sealing door 21 abut, and the two sealing rings 201 are arranged to be pressed against each other, thereby achieving better dustproof sealing effect.

[0059] The connector is assembled by first clamping the sealing gasket 202 into the interior of the base A11, then installing the first spring 206 into the interior of the first mounting slot 205, then sleeving the sealing ring 201 on the sealing door 21, then installing the sealing door 21 into the interior of the base A11, wherein the tail of the sealing door 21 abuts against the first spring 206, then penetrating the first shaft pin 203 through the arc-shaped sliding slot 204 and the sealing door 21, and contacting the two sealing rings 201 located at the head of the sealing door 21, and finally clamping the outer shell 207 on the exterior of the base A11.

[0060] When the plug 10 and the socket 30 are connected, the protrusion one 32 abuts against the two sealing doors 21, provides appropriate force to make the sealing door 21 move along the track of the arc-shaped sliding slot 204 (under the sliding cooperation of the first shaft pin 203 and the arc-shaped sliding slot 204), and the protrusion one 32 is penetrated into the interior of the connecting slot 12. After the connection is completed, the heads of the two sealing doors 21 abut against the side walls of the socket 30 respectively, and at this time, the first spring 206 is compressed. After the socket 30 is pulled out, the sealing door 21 is pushed by the first spring 206 and returns to the original position along the track of the arc-shaped sliding slot 204, and the closing of the sealing door 21 is completed.

[0061] The sealing rings 201 and the sealing gasket 202 are arranged to ensure the sealing and dustproof performance between the sealing doors 21, between the sealing doors 21 and the base A11, and between the sealing doors 21 and the socket 30, so that the technical scheme of the dustproof connector has good sealing and dustproof effect.

[0062] Embodiment 2

[0063] As shown in Figure 6 , Figure 7 , Figure 8 , Figure 9 , Figure 10 The dustproof connector of the embodiment of the application is different from the embodiment of the embodiment 1 in that the head and the tail of the two sealing doors 21 are located on the same straight line, and the tail of the sealing door 21 is movably penetrated through the base A11.

[0064] The sealing member is a second sealing member, and the second sealing member comprises a sealing strip 211 arranged at the head of the sealing door 21.

[0065] The reset member is a second reset member, and the second reset member comprises a protrusion two 212 mounted on the side wall of the sealing door 21 and a second mounting slot 215 opened in the inner wall of the base A11, wherein the second mounting slot 215 is arranged along the height direction of the sealing door 21.

[0066] A second shaft pin 213 is movably inserted into the second protrusion 212 and installed inside the second mounting groove 215. The second shaft pin 213 is interference-fitted with the hole opened on the second mounting groove 215. A second spring 214 is movably sleeved on the second shaft pin 213. The two ends of the second spring 214 abut against the inner walls of the second protrusion 212 and the second mounting groove 215, respectively.

[0067] like Figure 10 As shown, in order to ensure the stability of the sealing strip 211 installed on the sealing door 21 and to reduce the space occupied by the components, a groove for installing the sealing strip 211 is provided on the sealing door 21.

[0068] In a dustproof connector where the sealing element is a second sealing element and the reset element is a second reset element, before the plug 10 and socket 30 are mated and after the socket 30 is pulled out, the sealing door 21 closes under the action of the second spring 214, that is, the heads of the two sealing doors 21 abut against each other, and the two sealing strips 211 abut against each other, thus sealing and preventing dust from the plug 10. During mating, the first protrusion 32 applies a suitable force to push the sealing door 21. Under the sliding cooperation of the second protrusion 212 and the second shaft pin 213, the two sealing doors 21 move away from each other, and the first protrusion 32 passes between the two sealing doors 21 and inserts into the mating groove 12. When mating is completed, the heads of the sealing doors 21 and the sealing strips 211 abut against the side wall of the socket 30, sealing and preventing dust from the entire plug 10 and socket 30.

[0069] The dustproof mechanism 20 is designed to seal and prevent dust from the plug 10 before it is connected to the socket 30 and after the socket 30 is unplugged; and to seal and prevent dust from the entire plug 10 and socket 30 after they are connected.

[0070] like Figure 11 As shown, it also includes a socket dustproof component 40, which is fitted onto the mating end of the socket 30 to prevent dust from entering the socket 30 before the plug 10 and the socket 30 are mated.

[0071] It should be noted that, in this document, the use of relational terms such as "first" and "second" is merely for distinguishing one entity or operation from another, and does not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.

[0072] The above examples are only used to illustrate the technical solutions of the present application, but not to limit the present application; although the present application has been described in detail with reference to the foregoing examples, those ordinarily skilled in the art should understand: the technical solutions recorded in the foregoing examples can be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A dust-proof connector characterized by comprising: The utility model relates to a plug (10), the plug (10) includes base A (11) and MT component A, MT component A sets up in the inside of base A (11) and is connected with base A (11) through screw, the inside of base A (11) is seted up with docking groove (12); Dustproof mechanism (20), the dustproof mechanism (20) sets up in the inside of base A (11), the dustproof mechanism (20) includes two head parts abutment sealing door (21), guarantees the sealing performance between two sealing doors and controls two sealing doors to close reset piece; Socket (30), the socket (30) includes base B (31) and MT component B, MT component B sets up in the inside of base B (31) and is connected with base B (31) through screw, the socket (30) is provided with protruding piece one (32), when the plug (10) and the socket (30) are docked, protruding piece one (32) passes through between two sealing doors (21), inserts the docking groove (12) seted up on base A (11); The head of the sealing door (21) is arranged as an arc shape for facilitating the protruding piece one (32) to pass through; The sealing piece is arranged as a first sealing piece, the first sealing piece includes two sealing rings (201) sleeved on the sealing door (21), a sealing gasket (202) mounted in the inside of the base A (11), the two sealing rings (201) located at the head of the sealing door (21) are in abutment, and the two sealing rings (201) located at the tail of the sealing door (21) are in abutment with the sealing gasket (202); The reset piece is arranged as a first reset piece, the first reset piece includes a first shaft pin (203) fixedly inserted into the head of the sealing door (21), an arc-shaped sliding groove (204) formed on the side wall of the base A (11), and a first mounting groove (205) formed in the inside of the base A (11), the first shaft pin (203) is in sliding fit with the arc-shaped sliding groove (204), and the first mounting groove (205) is internally mounted with a first spring (206), and the tail of the sealing door (21) is in abutment with the first spring (206). The sealing gasket (202) is provided with at least two first clamping blocks, and the base A (11) is provided with a first clamping groove (208) matched with the first clamping blocks.

2. The dust-proof connector according to claim 1, wherein The base A (11) is clamped and matched with an outer shell (207), the outer side of the base A (11) is provided with at least two second clamping blocks (209), and the outer shell (207) is provided with a second clamping groove matched with the second clamping blocks (209).

3. The dust-proof connector according to claim 2, wherein The sealing door (21) is provided with an annular groove for mounting the sealing ring (201), and the two sealing rings (201) on the same sealing door (21) are in abutment.

4. The dust-proof connector according to claim 3, wherein The utility model relates to a plug (10), the plug (10) includes base A (11) and MT component A, MT component A sets up in the inside of base A (11) and is connected with base A (11) through screw, the inside of base A (11) is seted up with docking groove (12); 5. A dust-proof connector characterized by comprising: ​ ​ A dustproof mechanism (20) is arranged inside the base A (11), the dustproof mechanism (20) comprises two head abutting sealing doors (21), a sealing element for ensuring the sealing performance between the two sealing doors, and a reset element for controlling the closing of the two sealing doors; A socket (30) comprises a base B (31) and an MT assembly B, the MT assembly B is arranged inside the base B (31) and connected with the base B (31) through a screw, the socket (30) is provided with a protrusion one (32), when the plug (10) and the socket (30) are connected, the protrusion one (32) passes through the two sealing doors (21) and is inserted into the connecting groove (12) arranged on the base A (11); The head of the sealing door (21) is arranged in an arc shape to facilitate the protrusion one (32) to pass through; The head and the tail of the two sealing doors (21) are located on the same straight line, and the tail of the sealing door (21) is movably penetrated into the base A (11); The sealing element is a second sealing element, which comprises a sealing strip (211) arranged on the head of the sealing door (21); The reset element is a second reset element, which comprises a protrusion two (212) installed on the side wall of the sealing door (21) and a second installation groove (215) opened in the inner wall of the base A (11), the second installation groove (215) is arranged along the height direction of the sealing door (21); The protrusion two (212) movably inserts a second shaft pin (213) installed in the second installation groove (215), the second shaft pin (213) movably sleeves a second spring (214), and the two ends of the second spring (214) are respectively abutted with the protrusion two (212) and the inner wall of the second installation groove (215).

6. The dust-proof connector according to claim 5, wherein A recess for installing the sealing strip (211) is arranged on the sealing door (21).

7. The dust-proof connector according to claim 1 or 5, wherein The thickness of the protrusion one (32) near one end of the socket (30) is greater than the thickness of the protrusion one (32) away from the other end of the socket (30), and the connecting groove (12) is matched with the protrusion one (32); And / or, the protrusion one (32) is arranged in a trapezoidal shape; And / or, the protrusion one (32) is arranged in an arc shape.

8. The dust-proof connector according to claim 1 or 5, wherein A socket dustproof element (40) is arranged on the connecting end of the socket (30).

Citation Information

Patent Citations

  • Automatic sealing dustproof optical connector plug

    CN115356808A

  • Dustproof connector

    CN220021731U