CN111029854B - Threaded quick-connection locking mechanism - Google Patents

Threaded quick-connection locking mechanism Download PDF

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Publication number
CN111029854B
CN111029854B CN201911288976.2A CN201911288976A CN111029854B CN 111029854 B CN111029854 B CN 111029854B CN 201911288976 A CN201911288976 A CN 201911288976A CN 111029854 B CN111029854 B CN 111029854B
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China
Prior art keywords
shell
locking
casing
interior
male head
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CN201911288976.2A
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Chinese (zh)
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CN111029854A (en
Inventor
曹海军
童猛
张登峰
李晶
伏吉吉
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China Aviation Optical Electrical Technology Co Ltd
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China Aviation Optical Electrical Technology Co Ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/622Screw-ring or screw-casing

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  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

The invention discloses a threaded quick-connection locking mechanism which comprises a male head assembly and a female head assembly which are matched with each other, wherein the male head assembly comprises a male head shell, the outer circumference of the male head shell is provided with an external thread connecting section, the end part of the male head shell is provided with a step far away from the axis direction, and the outer circumference of the step is annularly provided with a plurality of locking keys facing the external thread connecting section; the female head assembly comprises an outer shell, an outer support shell, an inner shell and an inner support shell; the side end face of shell body is equipped with a plurality of locking keyways, and the interior circumference of shell body is close to its opposite side terminal surface and is equipped with the location retaining ring, and the interior circumference of shell body is close to the location retaining ring and encircles and be equipped with a plurality of transmission keys, and the inner chamber cover of shell body is equipped with interior casing, and the one end and the location retaining ring of interior casing are inconsistent. The invention can be used in connection locking mechanisms of different types, realizes quick connection and locking, is particularly suitable for narrow space and weightless environment, ensures that a male head and a female head do not fall off in work, and ensures safe and reliable work of functions.

Description

Threaded quick-connection locking mechanism
Technical Field
The invention relates to the technical field of electronic equipment quick connection, in particular to a threaded quick connection locking mechanism.
Background
In the field of quick connection of electronic equipment, in order to realize connection and disconnection of electric signals, optical signals or fluid media, quick connection of a plug and a socket is often required, so that the equipment is convenient to maintain and repair, and the disassembly time is greatly saved; in order to realize reliable connection of signals and prevent disconnection of the plug and the socket under the conditions of transportation, work, vibration impact and the like, the quick connecting mechanism needs to realize reliable locking and can quickly unlock when disconnection is needed. Under the two application environments, if the quick connection cannot be realized, time waste is caused, the connection task cannot be efficiently completed, and if the reliable locking cannot be realized, signal interruption is caused, and the function cannot be realized.
The conventional bayonet type, steel ball type and three-curved groove type quick connection and locking mechanisms can realize quick connection and locking of a plug and a socket, but the mechanisms have the common characteristic that an axial thrust is required to be applied during connection, but the thrust applied in the axial direction can hardly be realized under the environment conditions of certain special use scenes, such as narrow space, weightlessness and the like, so that the invention of the screw thread type quick connection and reliable locking mechanism becomes a technology to be solved urgently.
Disclosure of Invention
The invention aims to overcome the technical problem of the prior art, provides a threaded quick connection locking mechanism which can be used in connection locking mechanisms of different types to realize quick connection and locking, is particularly suitable for narrow space and weightless environment, ensures that a male head and a female head do not fall off in work, ensures safe and reliable function work, and can effectively solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a threaded quick-connection locking mechanism comprises a male head assembly and a female head assembly which are matched with each other, wherein the male head assembly comprises a male head shell, the outer circumference of the male head shell is provided with an external thread connecting section, the end part of the male head shell is provided with a step far away from the axis direction, and the outer circumference of the step is annularly provided with a plurality of locking keys facing the external thread connecting section;
the female head assembly comprises an outer shell, an outer support shell, an inner shell and an inner support shell; the end face of one side of the outer shell is provided with a plurality of locking key grooves, the inner circumference of the outer shell is provided with a positioning check ring close to the end face of the other side of the outer shell, the inner circumference of the outer shell is provided with a plurality of transmission keys close to the positioning check ring in a ring manner, the inner cavity of the outer shell is sleeved with an inner shell, one end of the inner shell is abutted to the positioning check ring, the outer circumference of the end part of the inner shell abutted to the positioning check ring is provided with transmission key grooves which are matched with the plurality of transmission keys in a one-to-one correspondence manner, the inner circumference of the inner shell is provided with an internal thread connecting section matched with the external thread connecting section of the male shell, the outer;
the inner circumference of the outer supporting shell is connected with an inner supporting shell in a threaded manner, the inner supporting shell limits the inner shell in the outer shell, one end of the outer supporting shell is provided with a connecting step, and an elastic structure capable of pushing the outer shell to reset and enabling the locking key to be matched with the locking key groove in the locking process is arranged in the axis direction between the connecting step and the outer shell.
Preferably, the elastic structure comprises a spring and a retaining ring which are sleeved on the outer support shell body, the retaining ring is abutted to the connecting step, one end of the spring is abutted to the retaining ring, and the other end of the spring is abutted to the positioning retaining ring.
Preferably, the end of the inner shell, which is abutted against the positioning retainer ring, is provided with a first positioning step facing the axial direction.
Preferably, one end of the inner support shell is provided with a second positioning step for limiting and making the positioning step contact with the positioning retainer ring.
Preferably, a hexagonal rotating part is arranged at one end of the outer circumference of the outer shell.
Compared with the prior art, the invention has the beneficial effects that: when the locking key is attached to the front end face of the outer shell, the outer shell continues to rotate, the locking key pushes the outer shell to retreat, the outer shell compresses the spring, and when the locking key falls into the locking key groove, the spring pushes the outer shell to rebound, so that locking is realized; during unlocking, the outer shell is pulled to compress the spring, so that the locking key is separated from the locking key groove, and meanwhile, the outer shell is rotated in the opposite direction until the male head assembly is completely separated from the female head assembly; the quick connection and locking device can be used in connection locking mechanisms of different types, realizes quick connection and locking, is particularly suitable for narrow and small spaces and weightless environments, realizes signal conduction and other functions through quick connection, ensures that a male head and a female head do not fall off in work through key locking, ensures safe and reliable work of functions, and realizes technical progress and economic benefit improvement.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the assembly structure of the present invention;
FIG. 3 is a schematic structural diagram of the present invention in a disassembled state;
FIG. 4 is a schematic structural diagram of the outer casing of the present invention;
fig. 5 is a schematic structural view of the inner shell of the present invention.
In the figure: the locking device comprises a male shell 1, a locking key 101, a step 102, an outer shell 2, a locking key groove 201, a hexagonal rotating part 202, a transmission key 203, a positioning retainer ring 204, an outer supporting shell 3, a connecting step 301, an inner shell 4, a transmission key groove 401, a positioning step I402, a spring 5, a retaining ring 6, an inner supporting shell 7 and a positioning step II 701.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: a threaded quick-connection locking mechanism comprises a male head assembly and a female head assembly which are matched with each other, wherein the male head assembly comprises a male head shell 1, an external thread connecting section is arranged on the outer circumference of the male head shell 1, a step 102 far away from the axis direction is arranged at the end part of the male head shell 1, a plurality of locking keys 101 facing the external thread connecting section are annularly arranged on the outer circumference of the step 102, and in specific implementation, the locking keys 101 are provided with three locking keys which are uniformly annularly arranged on the outer circumference of the step 102;
the female head assembly comprises an outer shell 2, an outer support shell 3, an inner shell 4 and an inner support shell 7; a plurality of locking key slots 201 are arranged on one side end face of the outer shell 2, a positioning retaining ring 204 is arranged on the inner circumference of the outer shell 2 close to the other side end face of the outer shell, a plurality of transmission keys 203 are annularly arranged on the inner circumference of the outer shell 2 close to the positioning retaining ring 204, an inner shell 4 is sleeved in an inner cavity of the outer shell 2, one end of the inner shell 4 is abutted against the positioning retaining ring 204, transmission key slots 401 which are in one-to-one corresponding fit with the transmission keys 203 are annularly arranged on the outer circumference of the end part of the inner shell 4 abutted against the positioning retaining ring 204, an internal thread connecting section which is matched with the external thread connecting section of the male shell 1 is arranged on the inner circumference of the inner shell 4, the outer shell 2 is axially and slidably connected with the inner shell 4 through the transmission keys 203 and the transmission key slots 401, the inner shell 4 can, the inner shell 4 is engaged with the male shell 1, the male shell 1 retracts into the inner shell 4, when the locking key 101 is attached to the front end face of the outer shell 2, the outer shell 2 continues to rotate, and at the moment, the locking key 101 pushes the outer shell 2 to axially slide and retract;
an inner support shell 7 is connected to the inner circumference of the outer support shell 3 in a threaded manner, the inner support shell 7 limits the inner shell 4 in the outer shell 2, one end of the outer support shell 3 is provided with a connecting step 301, and an elastic structure capable of pushing the outer shell 2 to reset and enabling the locking key 101 to be matched with the locking key groove 201 in the locking process is arranged in the axial direction between the connecting step 301 and the outer shell 2; the elastic structure comprises a spring 5 and a retaining ring 6 which are sleeved on the barrel body of the outer support shell 3, the retaining ring 6 is abutted against the connecting step 301, one end of the spring 5 is abutted against the retaining ring 6, the other end of the spring 5 is abutted against the positioning retaining ring 204, in the axial sliding and retreating process of pushing the outer shell 2 by the locking key 101 on the male shell 1, the spring 5 is pressed, and when the locking key 101 falls into the locking key groove 201, the spring 5 pushes the outer shell 2 to rebound, so that the locking operation is realized;
a first positioning step 402 facing to the axial direction is arranged at the end part of the inner shell 4, which is abutted against the positioning retainer ring 204, and a second positioning step 701 used for limiting the first positioning step 402 and making the first positioning step abut against the positioning retainer ring 204 is arranged at one end of the inner support shell 7 and is used for limiting the inner shell 4 and avoiding the inner shell 4 from axially jumping or separating in the outer shell 2;
a hexagonal rotating part 202 is arranged at one end of the outer circumference of the outer shell 2, and the hexagonal rotating part 202 is rotated during operation, so that the integral locking or separating operation can be completed;
through the innovation of the structural design of the male shell 1, the outer shell 2, the outer support shell 3, the inner shell 4 and the inner support shell 7, the male component and the female component can be used in connection locking mechanisms of different types to realize quick connection and locking, are particularly suitable for narrow space and weightless environment, realize the functions of signal conduction and the like through quick connection, ensure that the male and female heads do not fall off during work through key locking, ensure the safe and reliable work of functions, and realize technical progress and economic benefit improvement.
The working principle is as follows: during connection, the outer shell 2 is radially rotated, the transmission key 203 is located in the transmission key groove 401 at the moment, the outer shell 2 drives the inner shell 4 to rotate, the male shell 1 is meshed with the inner shell 4, the male shell 1 feeds into the inner shell 4, when the locking key 101 is attached to the front end face of the outer shell 2, the outer shell 2 continues to rotate, at the moment, the locking key 101 pushes the outer shell 2 to retreat, the outer shell 2 compresses the spring 5, and when the locking key 101 falls into the locking key groove 201, the spring 5 pushes the outer shell 2 to rebound, so that locking is achieved; during unlocking, the outer shell 2 is pulled, the spring 5 is compressed, the locking key 101 is separated from the locking key groove 201, and meanwhile, the outer shell 2 is rotated in the opposite direction until the male head assembly is completely separated from the female head assembly, so that separation is realized.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a screw thread formula high-speed joint locking mechanism which characterized in that: the male head assembly comprises a male head assembly and a female head assembly which are matched with each other, wherein the male head assembly comprises a male head shell (1), an external thread connecting section is arranged on the outer circumference of the male head shell (1), a step (102) far away from the axis direction is arranged at the end part of the male head shell (1), and a plurality of locking keys (101) facing the external thread connecting section are annularly arranged on the outer circumference of the step (102);
the female head assembly comprises an outer shell (2), an outer support shell (3), an inner shell (4) and an inner support shell (7); one side end face of shell body (2) is equipped with a plurality of locking keyway (201), the interior circumference of shell body (2) is close to its other side end face and is equipped with location retaining ring (204), the interior circumference of shell body (2) is close to location retaining ring (204) and encircles and is equipped with a plurality of transmission key (203), the inner chamber cover of shell body (2) is equipped with interior casing (4), the one end and the location retaining ring (204) of interior casing (4) are inconsistent, and interior casing (4) is equipped with transmission keyway (401) with a plurality of transmission key (203) one-to-one complex with the outer circumference ring of tip that location retaining ring (204) is inconsistent, the interior circumference of interior casing (4) is equipped with the female connection section with public first casing (1) external screw connection section complex, shell body (2) are through transmission key (203), transmission keyway (401) and interior casing (4) axial sliding connection, and can drive interior casing (4) when shell body (2) radial rotation and rotate in order to Feeding;
the inner circumference threaded connection of outer support casing (3) has interior support casing (7), and interior support casing (7) with interior casing (4) spacing in outer casing (2), the one end of outer support casing (3) is equipped with connection step (301), the axis direction between connection step (301) and outer casing (2) is equipped with can push outer casing (2) and reset and make locking key (101) and locking keyway (201) complex elastic construction locking in-process.
2. The threaded quick connect locking mechanism of claim 1, wherein: elastic structure establishes spring (5) and fender ring (6) on outer support shell (3) stack shell including the cover, keeps off ring (6) and is connected step (301) and contradict, and the one end of spring (5) is contradicted with fender ring (6), and the other end and the location retaining ring (204) of spring (5) are contradicted.
3. The threaded quick connect locking mechanism of claim 1, wherein: and a first positioning step (402) facing to the axial direction is arranged at the end part of the inner shell (4) abutting against the positioning retainer ring (204).
4. A threaded quick connect locking mechanism as set forth in claim 3 wherein: one end of the inner support shell (7) is provided with a positioning step II (701) which is used for limiting the positioning step I (402) and enabling the positioning step I to be abutted against the positioning retainer ring (204).
5. The threaded quick connect locking mechanism of claim 1, wherein: a hexagonal rotating part (202) is arranged at one end of the outer circumference of the outer shell (2).
CN201911288976.2A 2019-12-13 2019-12-13 Threaded quick-connection locking mechanism Active CN111029854B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911288976.2A CN111029854B (en) 2019-12-13 2019-12-13 Threaded quick-connection locking mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911288976.2A CN111029854B (en) 2019-12-13 2019-12-13 Threaded quick-connection locking mechanism

Publications (2)

Publication Number Publication Date
CN111029854A CN111029854A (en) 2020-04-17
CN111029854B true CN111029854B (en) 2020-11-03

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Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013043367A1 (en) * 2011-09-20 2013-03-28 Micro-Coax, Inc. Locking connector
US9477049B2 (en) * 2013-12-20 2016-10-25 Senko Advanced Components, Inc. Lockable connectors and connection assemblies
CN204809547U (en) * 2015-04-10 2015-11-25 中航富士达科技股份有限公司 From locking -type radio frequency coaxial connector
CN207504291U (en) * 2017-10-26 2018-06-15 深圳市速联技术有限公司 self-locking connector

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