CN110233388B - Plug connector shell, plug connector and connector assembly - Google Patents
Plug connector shell, plug connector and connector assembly Download PDFInfo
- Publication number
- CN110233388B CN110233388B CN201910446212.5A CN201910446212A CN110233388B CN 110233388 B CN110233388 B CN 110233388B CN 201910446212 A CN201910446212 A CN 201910446212A CN 110233388 B CN110233388 B CN 110233388B
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- locking
- sealing
- plug
- locking sleeve
- shell
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- 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
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- 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
- H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
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- 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
- H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
-
- 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
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
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- Connector Housings Or Holding Contact Members (AREA)
- Quick-Acting Or Multi-Walled Pipe Joints (AREA)
Abstract
The invention provides a plug connector shell, a plug connector and a connector assembly, wherein the plug connector shell comprises a plug shell, a locking sleeve, an axial limiting structure, a radial locking structure and a sealing structure arranged between an inserting section and the locking sleeve, the sealing structure between the inserting section and the locking sleeve is realized by a first sealing protection structure arranged at the rear side of the radial locking structure and a sealing structure arranged between the inserting section and the locking sleeve, the sealing structure between the inserting section and the locking sleeve is realized by a second sealing protection structure arranged at the front side of the radial locking structure, the sealing structure is realized at the front side and the rear side of the radial locking structure, when the plug connector shell is applied to silt, salt water or ocean climate, silt and salt crystals can be prevented from being deposited in the radial locking structure, the radial locking structure is prevented from being corroded, and the normal separation or locking of the locking structure is ensured.
Description
Technical Field
The invention relates to the field of electric connectors, in particular to a plug connector shell, a plug connector and a connector assembly.
Background
The push-pull self-locking connector disclosed by the prior Chinese utility model patent with the publication number of CN205900923U comprises a seat cover, a shell sleeved at the right end of the seat cover, and an end cover, wherein the right end of the shell is spliced with the end cover, the connecting cover is sleeved on the shell, and the shell and the end cover are locked in the axial direction under the action of the axial movement of the connecting cover through a connector locking structure consisting of a first clamp spring, the connecting cover, a steel ball and a second clamp spring during use.
When the push-pull self-locking connector is applied to silt, salt water or ocean climate, silt and salt crystals precipitate in the locking structure along with the increase of the service time, so that the locking structure of the push-pull self-locking connector is corroded, and the normal separation or locking of the locking structure of the push-pull self-locking connector cannot be realized.
Disclosure of Invention
The invention aims to provide a plug connector shell, a plug connector and a connector assembly, which can protect a locking structure in a push-pull self-locking connector.
In order to achieve the purpose, the technical scheme of the plug connector shell is as follows:
a plug connector housing, comprising:
the front end of the plug shell is provided with a plug section for plugging with the adaptive socket;
the locking sleeve is sleeved outside the inserting section and can axially move relative to the inserting section;
the axial limiting structure is used for limiting the axial moving range of the locking sleeve on the inserting section;
the radial locking structure is positioned between the locking sleeve and the plug shell and comprises a locking piece, the inner side surface of the locking sleeve can realize extrusion or avoidance of the radial locking structure, when the locking sleeve moves axially, the locking piece can float radially, and locking and unlocking between the plug shell and the adaptive socket shell are realized axially;
the first sealing protection structure is arranged between the inserting section and the locking sleeve to realize sealing between the inserting section and the locking sleeve and is positioned at the rear side of the radial locking structure;
the second sealing protection structure is arranged between the inserting section and the locking sleeve to realize sealing between the inserting section and the locking sleeve and is positioned on the front side of the radial locking structure.
Has the advantages that: set up the sealed protective structure of first sealed protective structure and second between the grafting section of lock sleeve and plug housing, and, first sealed protective structure is located radial locking structure front side, the sealed protective structure of second is located radial locking structure rear side, thereby all realized sealedly at the front side and the rear side of radial locking structure, when plug connector housing uses in silt, salt solution or marine climate, can prevent silt, salt crystal deposit in radial locking structure, prevent that radial locking structure from taking place to corrode, radial locking structure's normal separation or locking have been guaranteed.
Furthermore, the second sealing protection structure comprises a second sealing ring, the front end of the second sealing ring protrudes forwards out of the front end of the plug shell, and the second sealing ring can realize sealing between the locking sleeve and the plug section and sealing between the locking sleeve and the fixing panel of the adaptive socket shell during plugging.
Has the advantages that: thereby the second sealing washer realize with the grafting section between sealed prevent that silt from getting into radial locking structure between grafting cover and the grafting section, form the protection to radial locking structure. Moreover, the second sealing ring is in sealing fit with the fixing panel of the adaptive socket shell, so that silt can be prevented from entering the radial locking structure from the space between the locking sleeve and the fixing panel of the socket shell, and the radial locking structure is protected; and silt can be prevented from entering the plug connector shell from the space between the locking sleeve and the socket shell, and the contact between the plug contact and the socket contact is protected.
Furthermore, the second sealing protection structure further comprises a second sealing groove used for installing a second sealing ring, the second sealing groove is an inner spigot structure arranged at the front end of the locking sleeve, the butt joint end of the second sealing ring and the inner spigot structure is an outer spigot structure, the inner spigot structure of the second sealing groove is in butt joint with the outer spigot structure of the second sealing ring, and the second sealing ring is fixedly connected with the second sealing groove.
Has the advantages that: the inner spigot structure of the second sealing groove and the outer spigot structure of the second sealing ring can facilitate accurate butt joint between the second sealing ring and the second sealing groove, and in addition, the step surface of the inner spigot structure of the second sealing groove can support the second sealing ring in two axial and radial directions, so that the second sealing ring has a good sealing effect.
The first sealing protection structure comprises a first sealing groove and a first sealing ring, wherein the opening of the first sealing protection structure is formed in the plug shell and faces the locking sleeve, and the first sealing ring is sleeved in the first sealing groove; the second sealing protection structure comprises a second sealing groove and a second sealing ring, wherein the opening of the second sealing protection structure is formed in the locking sleeve and faces the plug shell, and the second sealing ring is installed in the second sealing groove.
Has the advantages that: the first sealing groove is formed in the plug shell instead of the rear portion of the locking sleeve, and the thickness of the rear portion of the locking sleeve can be reduced.
Radial locking structure is steel ball jump ring locking structure, and steel ball jump ring locking structure is including installing steel ball and the jump ring on the grafting section, and the steel ball is in the jump ring outside, the retaining member is the jump ring, when the lock sleeve axial displacement, can make the jump ring internal contraction through the radial extrusion steel ball of lock sleeve medial surface, realizes the locking of plug housing and adaptation socket shell, also can radially dodge the steel ball and make the jump ring resume the expansion, realizes the unblock between plug housing and the adaptation socket shell.
Has the advantages that: the radial locking structure adopts a steel ball clamp spring locking structure, so that the radial locking structure has a larger floating range in the radial direction, and the locking and unlocking between the plug shell and the adaptive socket shell are more convenient.
The plug shell is also provided with a locking retaining piece, and the locking retaining piece can be in axial blocking fit with the locking sleeve to keep the locking sleeve in a locking state.
Has the advantages that: the locking sleeve is easier to push and pull to realize the locking between the plug shell and the socket shell, and the locking sleeve can be more reliably kept at the locking position.
Furthermore, the locking retainer is a C-shaped elastic clamping sleeve, and the C-shaped elastic clamping sleeve is sleeved on the plug housing and is bridged with a fixing ring at the rear part of the plug housing.
Has the advantages that: after taking off C shape elastic clamping sleeve from the plug housing, C shape elastic clamping sleeve is connected with solid fixed ring, can prevent that the C shape elastic clamping sleeve who takes off from losing.
The technical scheme of the plug connector provided by the invention is as follows:
a plug connector comprising contacts and a plug connector housing in which the contacts are fixed, wherein the plug connector housing comprises:
the front end of the plug shell is provided with a plug section for plugging with the adaptive socket;
the locking sleeve is sleeved outside the inserting section and can axially move relative to the inserting section;
the axial limiting structure is used for limiting the axial moving range of the locking sleeve on the inserting section;
the radial locking structure is positioned between the locking sleeve and the plug shell and comprises a locking piece, the inner side surface of the locking sleeve can realize extrusion or avoidance of the radial locking structure, when the locking sleeve moves axially, the locking piece can float radially, and locking and unlocking between the plug shell and the adaptive socket shell are realized axially;
the first sealing protection structure is arranged between the inserting section and the locking sleeve to realize sealing between the inserting section and the locking sleeve and is positioned at the rear side of the radial locking structure;
the second sealing protection structure is arranged between the inserting section and the locking sleeve to realize sealing between the inserting section and the locking sleeve and is positioned on the front side of the radial locking structure.
Has the advantages that: set up the sealed protective structure of first sealed protective structure and second between the grafting section of lock sleeve and plug housing, and, first sealed protective structure is located radial locking structure front side, the sealed protective structure of second is located radial locking structure rear side, thereby all realized sealedly at the front side and the rear side of radial locking structure, when plug connector housing uses in silt, salt solution or marine climate, can prevent silt, salt crystal deposit in radial locking structure, prevent that radial locking structure from taking place to corrode, radial locking structure's normal separation or locking have been guaranteed.
Furthermore, the second sealing protection structure comprises a second sealing ring, the front end of the second sealing ring protrudes forwards out of the front end of the plug shell, and the second sealing ring can realize sealing between the locking sleeve and the plug section and sealing between the locking sleeve and the fixing panel of the adaptive socket shell during plugging.
Has the advantages that: thereby the second sealing washer realize with the grafting section between sealed prevent that silt from getting into radial locking structure between grafting cover and the grafting section, form the protection to radial locking structure. Moreover, the second sealing ring is in sealing fit with the fixing panel of the adaptive socket shell, so that silt can be prevented from entering the radial locking structure from the space between the locking sleeve and the fixing panel of the socket shell, and the radial locking structure is protected; and silt can be prevented from entering the plug connector shell from the space between the locking sleeve and the socket shell, and the contact between the plug contact and the socket contact is protected.
Furthermore, the second sealing protection structure further comprises a second sealing groove used for installing a second sealing ring, the second sealing groove is an inner spigot structure arranged at the front end of the locking sleeve, the butt joint end of the second sealing ring and the inner spigot structure is an outer spigot structure, the inner spigot structure of the second sealing groove is in butt joint with the outer spigot structure of the second sealing ring, and the second sealing ring is fixedly connected with the second sealing groove.
Has the advantages that: the inner spigot structure of the second sealing groove and the outer spigot structure of the second sealing ring can facilitate accurate butt joint between the second sealing ring and the second sealing groove, and in addition, the step surface of the inner spigot structure of the second sealing groove can support the second sealing ring in two axial and radial directions, so that the second sealing ring has a good sealing effect.
The first sealing protection structure comprises a first sealing groove and a first sealing ring, wherein the opening of the first sealing protection structure is formed in the plug shell and faces the locking sleeve, and the first sealing ring is sleeved in the first sealing groove; the second sealing protection structure comprises a second sealing groove and a second sealing ring, wherein the opening of the second sealing protection structure is formed in the locking sleeve and faces the plug shell, and the second sealing ring is installed in the second sealing groove.
Has the advantages that: the first sealing groove is formed in the plug shell instead of the rear portion of the locking sleeve, and the thickness of the rear portion of the locking sleeve can be reduced.
Radial locking structure is steel ball jump ring locking structure, and steel ball jump ring locking structure is including installing steel ball and the jump ring on the grafting section, and the steel ball is in the jump ring outside, the retaining member is the jump ring, when the lock sleeve axial displacement, can make the jump ring internal contraction through the radial extrusion steel ball of lock sleeve medial surface, realizes the locking of plug housing and adaptation socket shell, also can radially dodge the steel ball and make the jump ring resume the expansion, realizes the unblock between plug housing and the adaptation socket shell.
Has the advantages that: the radial locking structure adopts a steel ball clamp spring locking structure, so that the radial locking structure has a larger floating range in the radial direction, and the locking and unlocking between the plug shell and the adaptive socket shell are more convenient.
The plug shell is also provided with a locking retaining piece, and the locking retaining piece can be in axial blocking fit with the locking sleeve to keep the locking sleeve in a locking state.
Has the advantages that: the locking sleeve is easier to push and pull to realize the locking between the plug shell and the socket shell, and the locking sleeve can be more reliably kept at the locking position.
Furthermore, the locking retainer is a C-shaped elastic clamping sleeve, and the C-shaped elastic clamping sleeve is sleeved on the plug housing and is bridged with a fixing ring at the rear part of the plug housing.
Has the advantages that: after taking off C shape elastic clamping sleeve from the plug housing, C shape elastic clamping sleeve is connected with solid fixed ring, can prevent that the C shape elastic clamping sleeve who takes off from losing.
The technical scheme of the connector assembly of the invention is as follows:
connector assembly, including socket connector and plug connector, plug connector includes the plug connector casing and fixes the contact in the plug connector casing, and wherein, the plug connector casing includes:
the front end of the plug shell is provided with a plug section for plugging with the adaptive socket;
the locking sleeve is sleeved outside the inserting section and can axially move relative to the inserting section;
the axial limiting structure is used for limiting the axial moving range of the locking sleeve on the inserting section;
the radial locking structure is positioned between the locking sleeve and the plug shell and comprises a locking piece, the inner side surface of the locking sleeve can realize extrusion or avoidance of the radial locking structure, when the locking sleeve moves axially, the locking piece can float radially, and locking and unlocking between the plug shell and the adaptive socket shell are realized axially;
the first sealing protection structure is arranged between the inserting section and the locking sleeve to realize sealing between the inserting section and the locking sleeve and is positioned at the rear side of the radial locking structure;
the second sealing protection structure is arranged between the inserting section and the locking sleeve to realize sealing between the inserting section and the locking sleeve and is positioned on the front side of the radial locking structure.
Has the advantages that: set up the sealed protective structure of first sealed protective structure and second between the grafting section of lock sleeve and plug housing, and, first sealed protective structure is located radial locking structure front side, the sealed protective structure of second is located radial locking structure rear side, thereby all realized sealedly at the front side and the rear side of radial locking structure, when plug connector housing uses in silt, salt solution or marine climate, can prevent silt, salt crystal deposit in radial locking structure, prevent that radial locking structure from taking place to corrode, radial locking structure's normal separation or locking have been guaranteed.
Furthermore, the second sealing protection structure comprises a second sealing ring, the front end of the second sealing ring protrudes forwards out of the front end of the plug shell, and the second sealing ring can realize sealing between the locking sleeve and the plug section and sealing between the locking sleeve and the fixing panel of the adaptive socket shell during plugging.
Has the advantages that: thereby the second sealing washer realize with the grafting section between sealed prevent that silt from getting into radial locking structure between grafting cover and the grafting section, form the protection to radial locking structure. Moreover, the second sealing ring is in sealing fit with the fixing panel of the adaptive socket shell, so that silt can be prevented from entering the radial locking structure from the space between the locking sleeve and the fixing panel of the socket shell, and the radial locking structure is protected; and silt can be prevented from entering the plug connector shell from the space between the locking sleeve and the socket shell, and the contact between the plug contact and the socket contact is protected.
Furthermore, the second sealing protection structure further comprises a second sealing groove used for installing a second sealing ring, the second sealing groove is an inner spigot structure arranged at the front end of the locking sleeve, the butt joint end of the second sealing ring and the inner spigot structure is an outer spigot structure, the inner spigot structure of the second sealing groove is in butt joint with the outer spigot structure of the second sealing ring, and the second sealing ring is fixedly connected with the second sealing groove.
Has the advantages that: the inner spigot structure of the second sealing groove and the outer spigot structure of the second sealing ring can facilitate accurate butt joint between the second sealing ring and the second sealing groove, and in addition, the step surface of the inner spigot structure of the second sealing groove can support the second sealing ring in two axial and radial directions, so that the second sealing ring has a good sealing effect.
The first sealing protection structure comprises a first sealing groove and a first sealing ring, wherein the opening of the first sealing protection structure is formed in the plug shell and faces the locking sleeve, and the first sealing ring is sleeved in the first sealing groove; the second sealing protection structure comprises a second sealing groove and a second sealing ring, wherein the opening of the second sealing protection structure is formed in the locking sleeve and faces the plug shell, and the second sealing ring is installed in the second sealing groove.
Has the advantages that: the first sealing groove is formed in the plug shell instead of the rear portion of the locking sleeve, and the thickness of the rear portion of the locking sleeve can be reduced.
Radial locking structure is steel ball jump ring locking structure, and steel ball jump ring locking structure is including installing steel ball and the jump ring on the grafting section, and the steel ball is in the jump ring outside, the retaining member is the jump ring, when the lock sleeve axial displacement, can make the jump ring internal contraction through the radial extrusion steel ball of lock sleeve medial surface, realizes the locking of plug housing and adaptation socket shell, also can radially dodge the steel ball and make the jump ring resume the expansion, realizes the unblock between plug housing and the adaptation socket shell.
Has the advantages that: the radial locking structure adopts a steel ball clamp spring locking structure, so that the radial locking structure has a larger floating range in the radial direction, and the locking and unlocking between the plug shell and the adaptive socket shell are more convenient.
The plug shell is also provided with a locking retaining piece, and the locking retaining piece can be in axial blocking fit with the locking sleeve to keep the locking sleeve in a locking state.
Has the advantages that: the locking sleeve is easier to push and pull to realize the locking between the plug shell and the socket shell, and the locking sleeve can be more reliably kept at the locking position.
Furthermore, the locking retainer is a C-shaped elastic clamping sleeve, and the C-shaped elastic clamping sleeve is sleeved on the plug housing and is bridged with a fixing ring at the rear part of the plug housing.
Has the advantages that: after taking off C shape elastic clamping sleeve from the plug housing, C shape elastic clamping sleeve is connected with solid fixed ring, can prevent that the C shape elastic clamping sleeve who takes off from losing.
Drawings
FIG. 1 is a schematic diagram of the plug connector and the receptacle connector according to the present invention;
fig. 2 is a partial sectional view of the plug connector of the present invention mated with the receptacle connector.
In the figure: 1-a plug connector; 2-a socket connector; 3-fixing the panel; 4-locking sleeve; 5-C-shaped elastic card sleeve; 6-screw; 7-a third sealing ring; 8-outer ring grooves; 9-a snap ring; 10-steel ball; 11-a clamp spring; 12-a first sealing ring; 13-inner spigot structure; 14-a second sealing ring; 15-a plug section; 16-fixing ring.
Detailed Description
The connector assembly of the present invention will be further described with reference to fig. 1 to 2.
As shown in fig. 1, the connector assembly includes a plug connector 1 and a receptacle connector 2, the plug connector 1 is inserted into and mated with the receptacle connector 2, a fixing panel 3 is disposed on a housing of the receptacle connector 2, a through hole for a screw 6 to pass through is disposed on the fixing panel 3, and the receptacle connector 2 is mounted on the base through the fixing panel 3, so as to fix the receptacle connector 2. The front end of the shell of the plug connector 1 is a plug section 15, a locking sleeve 4 is sleeved on the plug section 15, and the locking sleeve 4 can axially move relative to the plug section 15 to realize locking of the plug connector 1 and the socket connector 2 after being plugged.
Be provided with axial limit structure and steel ball jump ring locking structure on the 1 casing of plug connector, wherein axial limit structure is used for restricting the axial displacement scope of lock sleeve 4 on grafting section 15, steel ball jump ring locking structure is in between lock sleeve 4 and the plug housing, when 4 axial displacement of lock sleeve, 4 medial surfaces of accessible lock sleeve radially extrude steel ball 10 and make jump ring 11 internal contraction, realize the locking of plug housing and socket housing, the lock sleeve medial surface also can radially dodge steel ball 10 and make jump ring 11 resume the expansion, realize the unblock between plug housing and the adaptation socket housing. In this embodiment, the radial locking structure is a steel ball clamp spring locking structure.
Be provided with first sealed protective structure and the sealed protective structure of second between grafting section 15 and the lock sleeve 4, wherein first sealed protective structure is in steel ball jump ring locking structure front side, the sealed protective structure of second is in steel ball jump ring locking structure's rear side, thereby all realized sealedly at steel ball jump ring locking structure's front side and rear side, use silt when plug connector 1 casing, when salt solution or marine climate, can prevent silt, salt crystal deposit in steel ball jump ring locking structure, prevent that steel ball 10 jump ring locking structure from corroding, the normal separation or the locking of locking structure have been guaranteed.
Specifically, as shown in fig. 2, a third sealing groove is formed in an inner wall surface of the insertion section 15, which is matched with the socket connector 2, and a third sealing ring 7 is arranged in the third sealing groove, so that after the plug connector 1 is inserted into the socket connector 2, the plug housing and the socket housing are sealed. Be provided with axial limit structure between the outer wall surface of grafting section 15 and the lock sleeve 4 internal face, axial limit structure includes snap ring 9, during the outer annular groove of the embedding lock sleeve 4 of outer annular limit of snap ring 9, during the inner annular limit of snap ring 9 stretches into the outer annular groove 8 of plug grafting section 15, snap ring 9 can be in outer annular groove 8 axial displacement, the preceding of outer annular groove 8, the back cell wall is used for restricting the axial displacement of snap ring 9, thereby restrict the axial displacement scope of lock sleeve 4 on grafting section 15 through axial limit structure.
The steel ball clamp spring locking structure comprises a steel ball 10 and a clamp spring 11, an inner annular groove for accommodating the clamp spring 11 is formed in the inner wall surface of the insertion section 15, more than one radial hole communicated with the inner ring groove is arranged on the outer wall surface of the insertion section 15, the steel ball 10 is arranged in the radial hole, the inner wall surface of the locking sleeve 4 is provided with an accommodating groove for accommodating the steel ball 10 when the steel ball clamp spring locking structure is in an unlocking state, the rear side of the containing groove is provided with an extruding surface which is used for extruding the steel ball 10 inwards to enable the clamp spring 11 to retract inwards, when the plug connector 1 and the socket connector 2 are in a plug-in state, the locking sleeve 4 is moved forward, the extrusion surface on the inner wall surface of the locking sleeve 4 extrudes the steel ball 10 radially inwards, the steel ball 10 presses the outer wall of the clamp spring 11 radially inwards, and the inner wall of the clamp spring 11 is clamped into the outer wall ring groove of the shell of the socket connector 2, so that the plug connector 1 and the socket connector 2 are locked. The plug connector 1 is further sleeved with a C-shaped elastic clamping sleeve 5 for keeping the locking sleeve 4 in a locking state, the rear side of the C-shaped elastic clamping sleeve 5 is provided with a step structure, the step structure is used for axially stopping the C-shaped elastic clamping sleeve 5 to prevent the C-shaped elastic clamping sleeve 5 from axially moving backwards, and the front side of the C-shaped elastic clamping sleeve 5 is axially matched with the rear end face of the locking sleeve 4 in a stopping manner, so that the locking sleeve 4 is kept in the locking state by the C-shaped elastic clamping sleeve 5. C shape elastic clamping sleeve 5 and the solid fixed ring 16 bridge at plug housing rear portion take off C shape elastic clamping sleeve 5 back from the plug housing, C shape elastic clamping sleeve 5 is connected with solid fixed ring 16, can prevent that C shape elastic clamping sleeve 5 of taking off from losing. In this embodiment, the locking retainer is a C-shaped elastic ferrule 5.
In order to realize the sealing of the steel ball clamp spring locking structure, a first sealing protection structure is arranged at the rear side of the steel ball clamp spring locking structure, and a second sealing protection structure is arranged at the front side of the steel ball clamp spring locking structure, wherein the first sealing protection structure comprises a first sealing groove which is formed in the plug shell and provided with an opening facing the locking sleeve 4, and a first sealing ring 12 which is sleeved in the first sealing groove; the second sealing protection structure comprises a second sealing groove arranged at the front end of the locking sleeve 4 and a second sealing ring 14 sleeved in the second sealing groove, in this embodiment, the second sealing groove is an inner spigot structure 13 arranged at the front end of the locking sleeve 4, the butt joint end of the second sealing ring 14 and the inner spigot structure 13 is an outer spigot structure, the inner spigot structure 13 of the second sealing groove is in butt joint with the outer spigot structure of the second sealing ring 14, the second sealing ring 14 is fixedly connected with the inner spigot structure 13 of the second sealing groove by an insert injection method, and the second sealing ring 14 in the second sealing protection structure is in sliding sealing fit with the insertion section 15.
The front end of the second sealing ring 14 protrudes forwards from the front end of the plug connector shell, when the plug connector is used, the locking sleeve 4 moves forwards and is in sliding sealing fit with the outer wall surface of the insertion section 15, locking of the plug connector 1 and the socket connector 2 is achieved, moreover, the second sealing ring 14 is arranged between the front end of the locking sleeve 4 and the fixed panel 3 of the socket and is extruded and deformed by the locking sleeve 4, and sealing between the locking sleeve 4 and the fixed panel 3 is achieved, therefore, the second sealing ring 14 can achieve sliding sealing between the locking sleeve 4 and the insertion section 15 and sealing between the locking sleeve 4 and the fixed panel 3 of the adaptive socket shell, and accordingly, silt can be prevented from entering the steel ball clamp spring locking structure from the space between the locking sleeve 4 and the fixed panel 3 of the socket shell by the second sealing ring 14, and protection is formed on the steel ball clamp spring locking structure; and silt can be prevented from entering the shell of the plug connector 1 from the space between the locking sleeve 4 and the socket shell, and the contact between the plug contact element and the socket contact element is protected.
When the connector assembly is used, the socket connector 2 is fixed on the base body through the fixing panel 3, the front end of the plug connector 1 is inserted from the front end of the socket connector 2, the plug connection of the plug connector 1 and the socket connector 2 is realized, and the third sealing ring 7 in the third sealing groove on the inner wall surface of the plug section 15 of the plug connector 1 forms sealing fit between the inner wall surface of the plug section 15 and the socket connector 2. At this time, the locking sleeve 4 is in the unlocking position, the snap ring 9 is in stop fit with the rear side wall of the outer annular groove 8, the locking sleeve 4 is located at the rear part of the insertion section 15 of the plug connector 1, the steel ball 10 is placed in the accommodating groove on the inner wall surface of the locking sleeve 4, and the C-shaped elastic clamping sleeve 5 is not yet sleeved on the insertion section 15. The locking sleeve 4 is pushed forwards, the steel ball 10 is radially and inwardly extruded by an extrusion surface on the inner wall surface of the locking sleeve 4, the outer wall of the snap spring 11 is radially and inwardly pressed by the steel ball 10, the inner wall of the snap spring 11 is clamped into an outer wall ring groove of a shell of the socket connector 2, so that the plug connector 1 and the socket connector 2 are locked, at the moment, the snap ring 9 and the front side wall of the outer ring groove 8 are in forward stop fit, the first sealing ring 12 realizes sealing between the locking sleeve 4 and the inserting section 15 at the rear side of the steel ball snap spring locking structure, and the second sealing ring 14 realizes sliding sealing between the locking sleeve 4 and the inserting section 15 at the front side of the steel ball snap spring locking structure, so that the front end of the second sealing ring 14 is extruded and deformed by the fixing panel 3 of the socket, and sealing between the front end of. Then, the C-shaped elastic ferrule 5 bridged with the fixing ring 16 is sleeved on the plugging section 15 of the plug connector 1, at this time, the C-shaped elastic ferrule 5 is located between the step structure and the rear end face of the locking sleeve 4 and forms axial stop fit for the locking sleeve 4, the C-shaped elastic ferrule 5 limits the axial backward movement of the locking sleeve 4, so that the locking sleeve 4 is kept at the locking position, and the plug connector 1 and the socket connector 2 are locked after being plugged.
In this embodiment, the front end of second sealing washer protrusion in plug housing front end forward, the second sealing washer can enough realize the sliding seal between lock sleeve and the grafting section and can realize the sealed between the fixed panel of lock sleeve and adaptation socket casing again during the use, in other embodiments, the front end of second sealing washer also can not protrusion in plug housing front end forward, the internal face of second sealing washer and the outer wall sliding seal cooperation of grafting section this moment to only can realize sealed between lock sleeve and the grafting section.
In this embodiment, the second seal protection structure further includes a second seal groove for mounting a second seal ring, the second seal groove is an inner seam allowance structure provided at the front end of the lock sleeve, the butt joint end of the second seal ring and the inner seam allowance structure is an outer seam allowance structure, the inner seam allowance structure of the second seal groove is butt joint with the outer seam allowance structure of the second seal ring, in other embodiments, the second sealing ring groove is not provided, but the second sealing ring is directly provided with a cup-shaped structure with a U-shaped longitudinal section and an annular cross section, and when in use, the second sealing ring is directly sleeved at the front end of the locking sleeve and pushes the locking sleeve forwards, the outer peripheral surface of the second sealing ring is in sliding sealing fit with the insertion section, and the front end surface of the second sealing ring deforms under the co-extrusion effect of the locking sleeve and the fixing panel of the adaptive socket shell to realize sealing between the locking sleeve and the fixing panel of the adaptive socket shell.
In this embodiment, the first seal protection structure includes a first seal groove provided on the plug housing and having an opening facing the lock sleeve, and a first seal ring sleeved in the first seal groove, and the second seal protection structure includes a second seal groove provided on the lock sleeve and having an opening facing the plug housing, and a second seal ring sleeved in the second seal groove; in other embodiments, the first seal groove of the first seal protection structure and the second seal groove of the second seal protection structure are both disposed on the plug housing.
In the embodiment, the radial locking structure is a steel ball clamp spring locking structure, the locking part is a clamp spring, when the locking sleeve moves axially, the steel ball can be radially extruded by the inner side surface of the locking sleeve to enable the clamp spring to contract inwards so as to lock the plug shell and the adaptive socket shell, and can be avoided to enable the clamp spring to recover and expand so as to unlock the plug shell and the adaptive socket shell, in other embodiments, the radial locking structure can also be a steel ball locking structure, the locking part is a steel ball which is arranged in the plug shell, the plug shell is provided with an anti-falling structure which prevents the steel ball from falling off when not being spliced with the socket shell, the adaptive socket shell is provided with an annular groove which is adapted with the steel ball, when the locking sleeve moves axially, the steel ball can be radially extruded by the inner side surface of the locking sleeve to enable the steel ball to contract inwards and partially enter the annular groove, the inner side surface of the locking sleeve can also avoid the steel ball, so that the steel ball can move outwards in the radial direction when the plug shell is pulled out, and the unlocking between the plug shell and the adaptive socket shell is realized.
In this embodiment, the plug housing is further provided with a locking retaining member, in other embodiments, the plug housing may not be provided with the locking retaining member, at this time, the extrusion surface on the inner wall surface of the locking sleeve, which is used for extruding the steel ball inwards, is set to be an arc surface matched with the shape of the steel ball at the position in contact with the steel ball, and after the steel ball is extruded inwards by the extrusion surface, the steel ball can be matched with the extrusion surface, so that the locking sleeve is kept at the locking position.
In this embodiment, the C-shaped elastic card sleeve is sleeved on the plug housing and is bridged with the fixing ring at the rear part of the plug housing, and in other embodiments, the C-shaped elastic card sleeve may not be bridged with the fixing ring at the rear part of the housing.
In this embodiment, the second seal ring is fixedly connected with the female end structure of the second seal groove in an insert injection manner, and in other embodiments, the second seal ring may be fixedly connected with the female end structure of the second seal groove in an adhesive manner.
In the specific embodiment of the plug connector housing of the present invention, the plug connector housing has the same structure as the plug connector housing in the plug connector in the connector assembly, and the description thereof is omitted.
In the specific embodiment of the plug connector of the present invention, the plug connector has the same structure as the plug connector in the connector assembly, and thus, the detailed description thereof is omitted.
Claims (7)
1. A plug connector housing, comprising:
the front end of the plug shell is provided with a plug section for plugging with the adaptive socket;
the locking sleeve is sleeved outside the inserting section and can axially move relative to the inserting section;
the axial limiting structure is used for limiting the axial moving range of the locking sleeve on the inserting section;
the radial locking structure is positioned between the locking sleeve and the plug shell and comprises a locking piece, the inner side surface of the locking sleeve can realize extrusion or avoidance of the radial locking structure, when the locking sleeve moves axially, the locking piece can float radially, and locking and unlocking between the plug shell and the adaptive socket shell are realized axially;
the first sealing protection structure is arranged between the inserting section and the locking sleeve to realize sealing between the inserting section and the locking sleeve and is positioned at the rear side of the radial locking structure;
the second sealing protection structure is arranged between the inserting section and the locking sleeve to realize sealing between the inserting section and the locking sleeve and is positioned on the front side of the radial locking structure; the second sealing protection structure comprises a second sealing ring, the front end of the second sealing ring protrudes forwards from the front end of the plug shell, the second sealing ring is arranged between the front end of the locking sleeve and the fixed panel of the adaptive socket shell and is extruded and deformed by the locking sleeve, the inner wall surface of the second sealing ring is in sliding sealing fit with the outer wall surface of the inserting section, and the second sealing ring can realize sealing between the locking sleeve and the inserting section and sealing between the locking sleeve and the fixed panel of the adaptive socket shell during inserting; the second sealing protection structure further comprises a second sealing groove used for mounting a second sealing ring, the second sealing groove is of an inner spigot structure arranged at the front end of the locking sleeve, the butt joint end of the second sealing ring and the inner spigot structure is of an outer spigot structure, the inner spigot structure of the second sealing groove is in butt joint with the outer spigot structure of the second sealing ring, the inner spigot structure of the second sealing groove is provided with a step surface, and the step surface can support the second sealing ring in the axial direction and the radial direction; the second sealing ring is fixedly connected with the second sealing groove.
2. The plug connector housing of claim 1, wherein the first seal protection structure includes a first seal groove opening toward the locking sleeve and formed in the plug housing, and a first seal ring disposed in the first seal groove.
3. The plug connector shell according to claim 1 or 2, wherein the radial locking structure is a steel ball clamp spring locking structure, the steel ball clamp spring locking structure comprises a steel ball and a clamp spring which are mounted on the plug section, the steel ball is located outside the clamp spring, the locking member is a clamp spring, when the locking sleeve moves axially, the steel ball can be radially extruded by the inner side surface of the locking sleeve to enable the clamp spring to retract, locking of the plug shell and the adaptive socket shell is achieved, the steel ball can be radially avoided to enable the clamp spring to recover to expand, and unlocking between the plug shell and the adaptive socket shell is achieved.
4. A plug connector housing according to claim 1 or claim 2, wherein the plug housing is further provided with a latch retainer adapted to axially retain the locking sleeve in a latched condition in blocking engagement therewith.
5. The plug connector housing of claim 4, wherein the latching retention feature is a C-shaped spring clip that fits over the plug housing and bridges a retaining ring at the rear of the plug housing.
6. A plug connector comprising contacts, characterized by further comprising a plug connector housing according to any one of claims 1 to 5, the contacts being fixed in the plug connector housing.
7. A connector assembly comprising a receptacle connector and further comprising the plug connector of claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910446212.5A CN110233388B (en) | 2019-05-27 | 2019-05-27 | Plug connector shell, plug connector and connector assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910446212.5A CN110233388B (en) | 2019-05-27 | 2019-05-27 | Plug connector shell, plug connector and connector assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110233388A CN110233388A (en) | 2019-09-13 |
| CN110233388B true CN110233388B (en) | 2021-01-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910446212.5A Active CN110233388B (en) | 2019-05-27 | 2019-05-27 | Plug connector shell, plug connector and connector assembly |
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| Country | Link |
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| CN (1) | CN110233388B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201230089Y (en) * | 2008-06-06 | 2009-04-29 | 富士康(昆山)电脑接插件有限公司 | Radio frequency coaxial connector |
| CN103259134B (en) * | 2013-04-12 | 2016-03-23 | 中航光电科技股份有限公司 | The electric coupler component that a kind of contact engaging and separating force is controlled and plug thereof |
| CN105742878B (en) * | 2016-03-31 | 2018-01-16 | 中航光电科技股份有限公司 | A kind of tail portion of connector annex and the connector using the tail accessory |
| CN108336548A (en) * | 2017-01-19 | 2018-07-27 | 中国移动通信有限公司研究院 | A kind of radio frequency connector |
| DE102017122245A1 (en) * | 2017-09-26 | 2019-03-28 | Harting Electric Gmbh & Co. Kg | Connector with lock |
| CN207303485U (en) * | 2017-10-18 | 2018-05-01 | 石家庄鑫鼎建屏通用设备有限公司 | A kind of anti-sand dust is tightly connected retaining mechanism |
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2019
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