CN112490752A - Novel outdoor connector and protection casing thereof - Google Patents

Novel outdoor connector and protection casing thereof Download PDF

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Publication number
CN112490752A
CN112490752A CN202011357881.4A CN202011357881A CN112490752A CN 112490752 A CN112490752 A CN 112490752A CN 202011357881 A CN202011357881 A CN 202011357881A CN 112490752 A CN112490752 A CN 112490752A
Authority
CN
China
Prior art keywords
deformable body
rear end
cap
shell
outdoor connector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011357881.4A
Other languages
Chinese (zh)
Inventor
薛金钢
韩云钊
王旭涛
刘乃常
姚文浩
鲁志远
齐永恒
苏开创
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Aviation Optical Electrical Technology Co Ltd
Original Assignee
China Aviation Optical Electrical Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Aviation Optical Electrical Technology Co Ltd filed Critical China Aviation Optical Electrical Technology Co Ltd
Priority to CN202011357881.4A priority Critical patent/CN112490752A/en
Publication of CN112490752A publication Critical patent/CN112490752A/en
Priority to JP2023513422A priority patent/JP2023538779A/en
Priority to US18/247,545 priority patent/US20230375790A1/en
Priority to KR1020237011421A priority patent/KR20230101798A/en
Priority to EP21896890.7A priority patent/EP4195422A1/en
Priority to PCT/CN2021/131729 priority patent/WO2022111389A1/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
    • H01R13/582—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable the cable being clamped between assembled parts of the housing
    • H01R13/5825—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable the cable being clamped between assembled parts of the housing the means comprising additional parts captured between housing parts and cable
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5205—Sealing means between cable and housing, e.g. grommet

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

The invention relates to a novel outdoor connector and a protective shell thereof, wherein the connector comprises an external protective unit and an internal signal transmission unit, and the signal transmission unit comprises a tail cable and a cable restraint; the protection unit comprises a shell and a connecting cap fixed at the tail part of the shell in an anti-stretching mode; the front end assembly is in the casing and is connected the cap rear end with the spacing deformable body rear end of casing axial and the tip inner chamber face is spacing, and when connecting the cap antedisplacement, can provide axial and radial compressive force for the deformable body inwards contracts to the binding face on its inner wall and closely laminates with the cable restraint ware and realizes the tensile. The outdoor connector realizes reliable sealing and holding of the cable at the tail part of the internal signal transmission unit through the arrangement of the deformable body, and realizes the sealing and tensile requirements of the connector.

Description

Novel outdoor connector and protection casing thereof
Technical Field
The invention belongs to the technical field of connectors, and particularly relates to a novel outdoor connector and a protective shell thereof.
Background
At present, in order to apply the ordinary indoor connector to the outdoor environment, a protective shell is added outside the ordinary indoor connector, so that the protective and sealing effects are achieved.
Common indoor connector assemblies currently in use cooperate with an additional protective housing to implement outdoor application scenarios, which, while capable of performing a sealing function, do not provide sufficient tensile resistance. Such applications put the assembly in a dangerous state, with the risk of signal transmission, since outdoor tensile resistance requirements are higher than indoor.
Disclosure of Invention
In order to solve the above problems, the present invention provides an outdoor connector having a novel structure, in which a deformable body for passing a cable restraint is provided in a housing, and axial movement of a connection cap at a rear portion of the housing is converted into radial compression of the deformable body, so that a tensile force of a cable at the rear portion of the connector is transferred to an external protection housing, thereby achieving tensile strength of the connector.
The purpose of the invention and the technical problem to be solved are realized by adopting the following technical scheme. The novel outdoor connector comprises an external protection unit and an internal signal transmission unit, wherein the signal transmission unit comprises a tail cable and a cable restraint; the protection unit comprises a shell and a connecting cap fixed at the tail part of the shell in an anti-stretching mode; the assembly of front end in the casing and with the casing axial spacing deformable body rear end face by connect cap afterbody inner chamber face spacing, the assembly between the deformable body and connect the cap and with the deformable body between have the spacing jack catch rear end of axial by connect cap afterbody inner chamber face spacing, and when connecting the cap antedisplacement, can provide the power of axial and radial compression deformable body for the jack catch for the tight laminating of binding face and the cable restraint ware that the deformable body inwards shrinks to its inner wall realizes the tensile.
The object of the present invention and the technical problems solved thereby can be further achieved by the following technical measures.
In the novel outdoor connector, the inner cavity of the connecting cap is matched with the corresponding slope surface on the clamping jaw from the front to the back, so that the axial motion is converted into the radial and axial extrusion on the deformable body.
According to the novel outdoor connector, the binding face on the deformable body inner wall comprises the face bound with the outer peripheral face of the cable restraint device under external force extrusion and the stepped face bound with the rear end face of the cable restraint device in a limiting mode.
In an outdoor connector of the present invention, the deformable body has a smooth inner wall or a concave-convex surface for enhancing friction.
In the above novel outdoor connector, the cable restraint device has a fixing sleeve with concave-convex lines on the periphery, and the binding surface on the deformable inner wall is bound with the fixing sleeve under the action of extrusion force.
In the novel outdoor connector, the deformable body is provided with a slit in the radial direction for facilitating the snap-off of the deformable body.
The novel outdoor connector is characterized in that the clamping jaw and the deformable body are of an integrated structure.
The purpose of the invention and the technical problem to be solved are realized by adopting the following technical scheme. According to the novel outdoor connector protection shell provided by the invention, the novel outdoor connector protection shell comprises a shell, a connecting cap which is fixedly connected with the tail part of the shell in an anti-stretching mode, and a deformable body, the front end of which is assembled in the shell and axially limited with the shell, wherein the rear end surface of the deformable body is limited by the inner cavity surface at the tail part of the connecting cap; the assembly is between the deformable body and the connection cap and with the deformable body between have the spacing jack catch rear end of axial by connect cap afterbody inner chamber face spacing, and when connecting the cap antedisplacement, can provide the power of axial and radial extrusion deformable body for the jack catch is inwards shrink to the binding face on its inner wall and the afterbody part of the signal transmission unit of wearing to establish in it closely laminates and realizes the tensile.
The object of the present invention and the technical problems solved thereby can be further achieved by the following technical measures.
In the novel outdoor connector protection casing, the clamping jaws and the deformable body are of an integrated structure.
In the novel outdoor connector protection casing, the deformable body is provided with a cut in the radial direction, so that the deformable body can be conveniently broken and clamped.
Compared with the prior art, the invention has obvious advantages and beneficial effects. By means of the technical scheme, the invention can achieve considerable technical progress and practicability, has wide industrial utilization value and at least has the following advantages:
the outdoor connector realizes the radial extrusion of the deformable body through the axial movement of the connecting cap, thereby realizing the reliable sealing and holding of the deformable body to the cable at the tail part of the internal signal transmission unit, and when the cable is stretched by external force, the deformable body turns the pulling force to the external protection shell because of holding tightly, thereby realizing the sealing and tensile requirements of the connector.
Drawings
Fig. 1 is a schematic structural view of a novel outdoor connector according to embodiment 1 of the present invention;
fig. 2A is a schematic structural view of a deformable body of the novel outdoor connector according to embodiment 1 of the present invention;
fig. 2B is a schematic structural view of another deformable body of the novel outdoor connector according to embodiment 1 of the present invention;
fig. 3 is a schematic structural view of a novel outdoor connector according to embodiment 2 of the present invention;
FIG. 4A is a schematic view of a fixing sleeve according to embodiment 2 of the present invention;
fig. 4B is a schematic structural view of another fixing sleeve in embodiment 2 of the present invention.
[ description of main element symbols ]
1: protection unit
10: shell body
11: deformable body
12: jack catch
13: nut cap
2: signal transmission unit
22: cable restraint
23: cable with a flexible connection
3: fixing sleeve
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the novel outdoor connector, its structure, features and effects according to the present invention, will be made with reference to the accompanying drawings and preferred embodiments.
Fig. 1-2 are schematic diagrams showing structures of parts of a novel outdoor connector according to embodiment 1 of the present invention, where the outdoor connector includes an external protection unit 1 and an internal signal transmission unit 2, where the protection unit includes a housing 10, a deformable body 11, a claw 12, and a nut 13; the signal transmission unit is a general indoor connector assembly and includes a tail cable 23 and a cable restraint 22 fixed to the cable 23.
The connecting cap 13 is connected and fixed at the tail part of the shell 10 in an anti-stretching mode, and the rear end of the inner cavity of the connecting cap gradually shrinks from front to back. In the embodiment of the present invention, the connection cap realizes the anti-stretching fixation with the housing 10 by the matching of the front end internal thread and the tail external thread of the housing 10, but is not limited thereto.
The front end of the deformable body 11 is assembled in the shell 10 and axially stopped and limited with the stepped surface in the shell 10, and the rear end of the deformable body extends out of the tail of the shell 10 to enter the inner cavity of the connecting cap 13 and is limited by the tail contraction end surface of the connecting cap 13. A through hole for the cable restraint 22 to pass through is axially formed in the deformable body, and the cable 23 passes through the through hole in the deformable body and extends out of the connecting cap at the tail part of the protection unit; the cable restraint 22 is at least partially inserted into the through hole in the deformable body 11 and axially restrained with the deformable body 11. In the embodiment of the present invention, the inner wall of the deformable body 11 has an abutting surface that abuts against the cable restraint 22 under external force extrusion to achieve axial position limitation of the deformable body and the cable restraint 22, and preferably, the rear end of the abutting surface is a stepped surface that is stopped and limited with the rear end surface of the cable restraint, that is, the cross section of the abutting surface is substantially L-shaped. In the embodiment of the present invention, the stepped surface is a front end surface protruding from the rear end of the deformable body 11, and the stepped surface is an inclined surface or an arc surface, but is not limited thereto.
The inner wall of the deformable body 11 can be a smooth surface, and concave-convex lines can be arranged to enhance the friction force of the deformable body.
In the embodiment of the present invention, the contraction surface of the connection cap 13 contacting the deformable body 11 is an inclined surface or an arc surface.
The clamping jaw 12 is tightly sleeved on the periphery of the deformable body 11 and is axially limited with the deformable body 11. This jack catch front end is located between deformable body and the casing 10, this jack catch 12 rear end convex part have with the outer peripheral face of connecting cap 13 inner circumference shrink face adaptation, when connecting cap 13 forward movement, its inner circumference shrink face extrusion jack catch rear end convex part, because the existence of shrink face, make the power that this rear end convex part received can decompose into axial force and radial force, because the existence of axial limit structure, make this jack catch not have axial motion, but inwards extrude deformable body 11 under the effect of radial force and make its inwards deformation hold cable restraint 22 and cable 23 tightly, and at this moment, the binding face in the deformable body 11 is laminated cable restraint 22 on the cable 23 under the pressure, the tensile has been realized.
In the embodiment of the present invention, the claw 11 is further provided with a hook for matching with the groove on the periphery of the deformable body 11 to realize axial position limitation of the deformable body and the deformable body, and the outer peripheral surface of the front end of the hook is provided with a slope adapted to the contraction surface of the inner cavity of the connecting cap for transmitting the radial force of the axial force.
In the embodiment of the invention, the claw 11 is axially limited with the end surface of the tail part of the shell through the outer periphery of the front end of the claw 11.
Referring to fig. 2-4, which are schematic structural views of each part of embodiment 2 of the present invention, in this embodiment, a fixing sleeve 3 is fixedly disposed at the tail of the cable restraint 22, and the fixing sleeve 3 is tightly attached to the tail of the cable restraint 22 and has concave-convex lines on the outside to enhance the surface friction thereof. The binding surface on the inner wall of the deformable body is bound on the periphery of the fixed sleeve 3 under the pressure of the connecting cap 13 so as to realize tensile resistance. And the rear end of the fitting surface of the deformable body is a stepped surface blocked and limited with the rear end surface of the fixed sleeve so as to enhance the tensile effect. In the embodiment of the present invention, the stepped surface for stopping and limiting the rear end surface of the fixing sleeve is a front end surface of a deformable body with an inner convex ring at the rear end, and the inner diameter of the inner convex ring at the rear end is slightly larger than the outer diameter of the cable 23. The fixed sleeve 3 is a closed annular structure or an annular structure with an opening at one side.
In another embodiment of the present invention, the fixing sleeve 3 is integrally formed at the tail of the cable restraint, that is, the tail of the cable restraint is provided with concave-convex lines.
The deformable body 11 is slit in a radial direction so as to be snapped off onto the cable 23 or the cable restraint 22.
In another embodiment of the present invention, the clamping jaws and the deformable body are of an integral structure, that is, the outer peripheral surface of the rear end of the deformable body is provided with a contracting surface adapted to the connecting cap, so that the radial force caused by the axial movement of the connecting cap can be transmitted inwards to realize radial compression, and the inner joint surface of the deformable body is tightly attached to the fixed sleeve or the cable restraint device to realize tensile strength of the connector.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (10)

1. A novel outdoor connector comprises an external protection unit and an internal signal transmission unit, and is characterized in that: the signal transmission unit comprises a tail cable and a cable restraint; the protection unit comprises a shell and a connecting cap fixed at the tail part of the shell in an anti-stretching mode; the front end assembly is in the casing and is connected cap rear end inner chamber face spacing with the spacing deformable body rear end of casing axial, and when connecting the cap antedisplacement, can provide axial and radial compressive force for the deformable body inwards contracts to the binding face on its inner wall and closely laminates with the cable restraint ware and realizes the tensile.
2. The novel outdoor connector as claimed in claim 1, wherein the rear end face of the deformable body is defined by an inner cavity face of the connection cap, and the rear end of the claw fitted between the deformable body and the connection cap and having an axial limitation with the deformable body is defined by an inner cavity face of a rear portion of the connection cap, and the deformable body can be compressed forward and inward by engagement with a face converging from front to rear of the inner cavity of the connection cap when the connection cap is advanced.
3. The novel outdoor connector as claimed in claim 1, wherein the deformable body is axially and radially compressed by the engagement of the outer periphery of the rear end thereof with the surface of the inner cavity of the rear end of the connecting cap which gradually converges from front to rear.
4. The novel outdoor connector as claimed in claim 1, 2 or 3, wherein the abutting surface on the inner wall of the deformable body comprises a surface abutting against the outer peripheral surface of the cable restraint under external pressure and a stepped surface abutting against the rear end surface of the cable restraint for limiting.
5. A novel outdoor connector as claimed in claim 1, 2 or 3, wherein the inner wall of the deformable body is smooth or textured for friction enhancement.
6. The novel outdoor connector as claimed in claim 1, 2 or 3, wherein the cable restraint tail is fixed or integrally formed with a fixing sleeve having a concave-convex pattern on the periphery, and the abutting surface on the inner wall of the deformable body abuts against the fixing sleeve under the action of the pressing force.
7. The novel outdoor connector as claimed in claim 1, 2 or 3, wherein the deformable body has slits in a radial direction for facilitating snapping the deformable body apart.
8. A novel outdoor connector protection shell is characterized by comprising a shell, a connecting cap which is fixedly connected with the tail of the shell in an anti-stretching mode, and a deformable body, wherein the front end of the deformable body is assembled in the shell and axially limited with the shell, and the rear end of the deformable body is limited by an inner cavity surface at the rear end of the connecting cap; and when the connecting cap moves forwards, forward and inward extrusion force can be provided for the deformable body, so that the deformable body contracts inwards to enable the abutting surface on the inner wall of the deformable body to be tightly attached to the tail part of the signal transmission unit penetrating through the deformable body, and the tensile strength is realized.
9. The new outdoor connector protective case of claim 8 wherein the rear end of the claw fitted between the deformable body and the connection cap with axial spacing from the deformable body is restrained by a connection cap rear end inner cavity face and the claw is capable of compressing the deformable body forwardly and inwardly by engagement with the connection cap inner cavity face converging from front to rear as the connection cap is advanced.
10. The new outdoor connector protective case of claim 8, wherein said deformable body has slits in the radial direction for facilitating snapping it open.
CN202011357881.4A 2020-11-27 2020-11-27 Novel outdoor connector and protection casing thereof Pending CN112490752A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
CN202011357881.4A CN112490752A (en) 2020-11-27 2020-11-27 Novel outdoor connector and protection casing thereof
JP2023513422A JP2023538779A (en) 2020-11-27 2021-11-19 connector plugs and sockets
US18/247,545 US20230375790A1 (en) 2020-11-27 2021-11-19 Plug and socket of connector
KR1020237011421A KR20230101798A (en) 2020-11-27 2021-11-19 connector plug and socket
EP21896890.7A EP4195422A1 (en) 2020-11-27 2021-11-19 Plug and socket of connector
PCT/CN2021/131729 WO2022111389A1 (en) 2020-11-27 2021-11-19 Plug and socket of connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011357881.4A CN112490752A (en) 2020-11-27 2020-11-27 Novel outdoor connector and protection casing thereof

Publications (1)

Publication Number Publication Date
CN112490752A true CN112490752A (en) 2021-03-12

Family

ID=74936280

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011357881.4A Pending CN112490752A (en) 2020-11-27 2020-11-27 Novel outdoor connector and protection casing thereof

Country Status (1)

Country Link
CN (1) CN112490752A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022111389A1 (en) * 2020-11-27 2022-06-02 中航光电科技股份有限公司 Plug and socket of connector

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022111389A1 (en) * 2020-11-27 2022-06-02 中航光电科技股份有限公司 Plug and socket of connector

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