CN110611206A - Connector assembly and tail accessory thereof - Google Patents
Connector assembly and tail accessory thereof Download PDFInfo
- Publication number
- CN110611206A CN110611206A CN201811582700.0A CN201811582700A CN110611206A CN 110611206 A CN110611206 A CN 110611206A CN 201811582700 A CN201811582700 A CN 201811582700A CN 110611206 A CN110611206 A CN 110611206A
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- CN
- China
- Prior art keywords
- plastic package
- package body
- tail accessory
- tail
- plastic
- 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
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Classifications
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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
- H01R13/504—Bases; Cases composed of different pieces different pieces being moulded, cemented, welded, e.g. ultrasonic, or swaged together
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention relates to a connector assembly and a tail accessory thereof, wherein the connector assembly comprises a connector and the tail accessory fixedly connected to the rear end of the connector, the tail accessory is provided with a plastic package body fixing section matched with a plastic package body, the plastic package body fixing section is provided with an anti-rotation groove matched with the plastic package body in a circumferential rotation stopping way, and the anti-rotation groove is provided with two circumferential stopping surfaces oppositely arranged along the circumferential direction of the tail accessory and matched with the plastic package body in a stopping way. When the plastic package body is subjected to a circumferential acting force, the plastic package body is limited mainly through the blocking effect of the anti-rotation grooves, and the plastic package body is effectively guaranteed to be stably fixed on the tail accessory, so that the product quality is guaranteed. The problem of among the prior art plastic-sealed body receive along afterbody annex circumference effort, only rely on the adhesion between plastic-sealed body and the afterbody annex hardly to guarantee the stable fixed of plastic-sealed body on the afterbody annex, cause the relative afterbody annex of plastic-sealed body to rotate, influence product quality is solved.
Description
Technical Field
The invention relates to a connector assembly and a tail accessory thereof.
Background
At present, the plastic package product at the tail part of the connector generally adopts a mode of processing a groove on a tail accessory to increase the tensile effect of plastic. The Chinese utility model patent with the publication number of CN206274563U and publication date of 2017.06.23 discloses a connector with improved shielding process structure and a tail accessory structure thereof, which comprises a connector and a tail accessory, wherein the connector comprises a connector main body, the rear end of the connector main body is connected with a connector thread, a connector toothed ring is arranged in the connector thread, and the connector toothed ring is tightly matched with an inner cavity of the connector thread; the afterbody annex includes a afterbody annex screw thread, the inner chamber middle part of afterbody annex screw thread is equipped with a afterbody annex ring gear, the solid fixed ring fixed connection of afterbody annex shielding is gone up to afterbody annex ring gear, the solid fixed ring's of afterbody annex shielding rear portion is equipped with an annular groove, cup joint a shielding copper ring in the annular groove. Through increasing a groove on the afterbody annex, the shielding layer of cable forms good contact and forms effectual shielding with the afterbody annex, when moulding plastics, through the effective packing to the groove, has ensured the effective fixed of plastic on the afterbody annex, has ensured the quality of product. The plastic is equivalent to a plastic package body which is plastically packaged on the tail accessory, one section of the tail accessory used for fixing the plastic package body is a plastic package body fixing section, and the annular groove is equivalent to a cable shielding layer fixing part for fixing a shielding layer of a cable.
When the plastic package body is under tension, the plastic package body filled in the groove can be effectively fixed on the tail accessory under the stopping action of the side wall of the groove. However, when the plastic package body is subjected to an acting force along the circumferential direction of the tail accessory, the plastic package body and the tail accessory are difficult to be stably fixed on the tail accessory only by means of the adhesive force, so that the plastic package body rotates relative to the tail accessory, the plastic package body cannot be effectively fixed on the tail accessory, and the product quality is affected.
Disclosure of Invention
The invention aims to provide a connector assembly, which solves the problem that when a plastic package body in the prior art is subjected to acting force along the circumferential direction of a tail accessory, the stable fixation of the plastic package body on the tail accessory is difficult to ensure only by depending on the adhesive force between the plastic package body and the tail accessory, so that the plastic package body rotates relative to the tail accessory, and the product quality is influenced; the invention also aims to provide a tail accessory, so as to solve the problem that when a plastic package body in the prior art is subjected to an acting force along the circumferential direction of the tail accessory, the stable fixation of the plastic package body on the tail accessory is difficult to be ensured only by depending on the adhesive force between the plastic package body and the tail accessory, so that the plastic package body rotates relative to the tail accessory, and the product quality is influenced.
The connector assembly adopts the following technical scheme:
the connector assembly comprises a connector and a tail accessory fixedly connected to the rear end of the connector, wherein a plastic package body fixing section matched with the plastic package body is arranged on the tail accessory, an anti-rotation groove matched with the plastic package body in a circumferential rotation-stopping manner is formed in the plastic package body fixing section, and the anti-rotation groove is provided with two circumferential stopping faces oppositely arranged along the circumferential direction of the tail accessory and matched with the plastic package body in a stopping manner.
The invention has the beneficial effects that: when the tail accessory is subjected to plastic package, the plastic package body can enter the anti-rotation groove, and when the plastic package body is subjected to a circumferential acting force along the tail accessory, a circumferential stop surface on the anti-rotation groove is in stop fit with the plastic package body in the circumferential direction, so that the plastic package body is limited to rotate in the circumferential direction relative to the tail accessory. When the plastic package body is subjected to a circumferential acting force, the plastic package body is limited mainly through the blocking effect of the anti-rotation grooves, and the plastic package body is effectively guaranteed to be stably fixed on the tail accessory, so that the product quality is guaranteed. The problem of among the prior art plastic-sealed body receive along afterbody annex circumference effort, only rely on the adhesion between plastic-sealed body and the afterbody annex hardly to guarantee the stable fixed of plastic-sealed body on the afterbody annex, cause the relative afterbody annex of plastic-sealed body to rotate, influence product quality is solved.
In order to increase the fixing stability of the plastic package body on the tail accessory, in the scheme, at least two lugs arranged at intervals along the circumferential direction are arranged on the periphery of the fixed section of the plastic package body, and the anti-rotation grooves are formed between every two adjacent lugs. Therefore, the plastic package body is filled between two adjacent convex blocks, and two opposite side surfaces of the convex blocks are used as circumferential stop surfaces of the anti-rotation grooves.
In order to increase the fixing stability of the plastic package body on the tail accessory, the projection is provided with an axial blocking surface which is used for forward blocking and matching with the plastic package body, at least two projections are arranged at intervals along the circumferential direction of the tail accessory, and the two projections arranged at intervals along the circumferential direction of the tail accessory are staggered in the circumferential direction of the tail accessory. On one hand, when the plastic package body is subjected to backward pulling force, the lugs which are arranged at intervals in the axial direction and staggered in the circumferential direction play a double blocking role on the plastic package body, so that the plastic package body can be stably fixed on the tail accessory. On the other hand, when the plastic package body is subjected to a circumferential acting force along the tail accessory, the protruding blocks spaced in the axial direction can increase the circumferential blocking surface area of the tail accessory and the plastic package body in the circumferential direction, so that the plastic package body can be stably fixed on the tail accessory.
For better positioning the cable shielding, in the scheme, the cable shielding layer fixing part on the plastic package body fixing section is positioned at the rear side of the convex block, so that the convex block positions the front end of the cable shielding layer.
In order to increase the fixing stability of the plastic package body on the tail accessory, the lug is a fan-shaped block in the scheme. Therefore, when the plastic package body is subjected to the action force along the circumferential direction of the tail accessory, the circumferential stopping surface is nearly perpendicular to the stress direction of the plastic package body, the stopping effect of the circumferential stopping surface is better, and the fixing stability of the plastic package body on the tail accessory is improved.
The tail accessory adopts the following technical scheme:
the plastic package structure comprises a tail accessory, wherein the tail accessory is provided with a connecting part used for being fixedly connected with a connector and a plastic package body fixing section used for being matched with a plastic package body, the plastic package body fixing section is provided with an anti-rotation groove used for being matched with the plastic package body in a circumferential rotation-stopping manner, and the anti-rotation groove is provided with two circumferential stopping surfaces which are oppositely arranged along the circumferential direction of the tail accessory and are matched with the plastic package body in a stopping manner.
The invention has the beneficial effects that: when the tail accessory is subjected to plastic package, the plastic package body can enter the anti-rotation groove, and when the plastic package body is subjected to a circumferential acting force along the tail accessory, a circumferential stop surface on the anti-rotation groove is in stop fit with the plastic package body in the circumferential direction, so that the plastic package body is limited to rotate in the circumferential direction relative to the tail accessory. When the plastic package body is subjected to a circumferential acting force, the plastic package body is limited mainly through the blocking effect of the anti-rotation grooves, and the plastic package body is effectively guaranteed to be stably fixed on the tail accessory, so that the product quality is guaranteed. The problem of among the prior art plastic-sealed body receive along afterbody annex circumference effort, only rely on the adhesion between plastic-sealed body and the afterbody annex hardly to guarantee the stable fixed of plastic-sealed body on the afterbody annex, cause the relative afterbody annex of plastic-sealed body to rotate, influence product quality is solved.
In order to increase the fixing stability of the plastic package body on the tail accessory, in the scheme, at least two lugs arranged at intervals along the circumferential direction are arranged on the periphery of the fixed section of the plastic package body, and the anti-rotation grooves are formed between every two adjacent lugs. Therefore, the plastic package body is filled between two adjacent convex blocks, and two opposite side surfaces of the convex blocks are used as circumferential stop surfaces of the anti-rotation grooves.
In order to increase the fixing stability of the plastic package body on the tail accessory, the projection is provided with an axial blocking surface which is used for forward blocking and matching with the plastic package body, at least two projections are arranged at intervals along the circumferential direction of the tail accessory, and the two projections arranged at intervals along the circumferential direction of the tail accessory are staggered in the circumferential direction of the tail accessory. On one hand, when the plastic package body is subjected to backward pulling force, the lugs which are arranged at intervals in the axial direction and staggered in the circumferential direction play a double blocking role on the plastic package body, so that the plastic package body can be stably fixed on the tail accessory. On the other hand, when the plastic package body is subjected to a circumferential acting force along the tail accessory, the protruding blocks spaced in the axial direction can increase the circumferential blocking surface area of the tail accessory and the plastic package body in the circumferential direction, so that the plastic package body can be stably fixed on the tail accessory.
For better positioning the cable shielding, in the scheme, the cable shielding layer fixing part on the plastic package body fixing section is positioned at the rear side of the convex block, so that the convex block positions the front end of the cable shielding layer.
In order to increase the fixing stability of the plastic package body on the tail accessory, the lug is a fan-shaped block in the scheme. Therefore, when the plastic package body is subjected to the action force along the circumferential direction of the tail accessory, the circumferential stopping surface is nearly perpendicular to the stress direction of the plastic package body, the stopping effect of the circumferential stopping surface is better, and the fixing stability of the plastic package body on the tail accessory is improved.
Drawings
FIG. 1 is a perspective view of an embodiment 1 of the caudal attachment of the present invention;
FIG. 2 is a half sectional view of FIG. 1;
FIG. 3 is a schematic view of the post-encapsulated tail attachment of FIG. 1;
fig. 4 is a schematic structural diagram of the tail attachment of the embodiment 2 of the present invention.
In the figure: 1-projection, 2-flange, 3-connecting part, 4-tension-resisting groove, 5-fixing groove, 6-anti-rotation groove, 7-jackscrew, 8-plastic package body, 9-cable shielding layer, 91-cable tie, 101-circumferential stop surface, 102-axial stop surface, 10-first projection, 11-second projection, 30-connecting part, 40-first tension-resisting groove, 41-second tension-resisting groove, 60-first anti-rotation groove, and 61-second anti-rotation groove.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
The specific embodiment 1 of the tail accessory of the present invention, as shown in fig. 1 and fig. 2, defines that one end of the tail accessory for fixedly connecting with the connector is a front end of the tail accessory, and the tail accessory comprises a connecting portion 3 arranged from front to back for fixedly connecting with the connector and a plastic package body fixing segment for cooperating with the plastic package body. The connecting portion 3 is provided with an internal thread fixedly connected with the connector, the connecting portion 3 is further provided with a threaded hole extending along the radial direction of the tail accessory, and a jackscrew 7 which is pressed on the connector after the connector is fixedly connected with the tail accessory is arranged in the threaded hole. The periphery of the fixed section of the plastic package body is provided with four convex blocks 1 arranged at intervals along the circumferential direction, the circumferential direction of the tail accessory is provided with a circle of convex blocks 1, and the convex blocks 1 are fan-shaped blocks. As shown in fig. 3, an anti-rotation groove 6 for circumferential anti-rotation fit with the plastic package body 8 is formed between adjacent bumps 1, in this embodiment, four bumps 1 form four anti-rotation grooves 6, and the anti-rotation groove 6 has two circumferential stop surfaces 101 oppositely arranged along the circumferential direction of the tail accessory to stop and fit with the plastic package body 8. In this embodiment, a tensile groove 4 for axially retaining and matching with the plastic package body 8 is formed between the connecting portion 3 and the bump 1, and a groove wall of the tensile groove 4 on the bump 1 is for forwardly retaining and matching with the plastic package body 8, and the groove wall forms an axial retaining surface 102 of the bump 1. The periphery of the plastic package body fixed section is also provided with a flange 2 at the rear side of the convex block 1, the flange 2 and the convex block 1 are arranged along the axial interval of the tail accessory, a fixing groove 5 is formed between the convex block 1 and the flange 2, and the fixing groove 5 is a cable shielding layer fixing part for fixing a cable shielding layer 9.
As shown in fig. 3, when fixing the connection of the cable on the connector, the cable is electrically connected to the connector; then, the cable shielding layer 9 of the cable is turned outwards to the outside of the flange 2 of the tail accessory, the cable shielding layer 9 is bound and fixed in the fixing groove 5 through a binding tape 91, and then the plastic package material is coated on the plastic package body fixing section on the tail accessory through an injection molding process. When the tail accessory is subjected to plastic package, the plastic package body is filled into the tensile groove 4, the fixing groove 5 and the four anti-rotation grooves 6. When the plastic package body is subjected to a circumferential acting force along the tail accessory, the circumferential stopping surface 101 on the anti-rotation groove 6 is in circumferential stopping fit with the plastic package body 8, so that the plastic package body 8 is limited to rotate circumferentially relative to the tail accessory. When the plastic package body 8 is subjected to a circumferential acting force, the plastic package body 8 is limited mainly through the stopping action of the anti-rotation groove 6, and the stable fixation of the plastic package body 8 on the tail part accessory is effectively ensured, so that the product quality is ensured. The problem of among the prior art plastic-sealed body receive along afterbody annex circumference effort, only rely on the adhesion between plastic-sealed body and the afterbody annex hardly to guarantee the stable fixed of plastic-sealed body on the afterbody annex, cause the relative afterbody annex of plastic-sealed body to rotate, influence product quality is solved. In addition, when the plastic package body is subjected to axial tension, the axial stop surface 102 of the convex block 1 and the groove wall of the fixing groove 5 on the flange 2 are in stop fit with the plastic package body 8, so that the plastic package body 8 is effectively limited axially, and the plastic package body 8 is ensured to be stably fixed on the tail accessory.
The tail accessory can be used for processing the cable shielding layer 9 at 360 degrees, and the reliable electromagnetic compatibility of the joint of the cable and the tail accessory is realized. It should be noted that, in this embodiment, the connection portion 3 of the tail accessory is provided with an internal thread in threaded connection with the connector, and after the tail accessory and the connector are connected in place through the thread, the jackscrew 7 on the accessory is screwed down, so that the tail accessory and the connector are fixed in an anti-loose manner, and the looseness of the connection portion of the tail accessory and the connector caused by the rotation of the plastic package body in the use process is avoided.
In other embodiments, an annular protrusion can be arranged on the plastic package body fixing section, and a blind hole is arranged on the annular protrusion and used as an anti-rotation groove; or an annular bulge can be arranged on the fixed section of the plastic package body, and a notch is arranged on the annular bulge and used as an anti-rotation groove; the number of the convex blocks can be two, three or more than five according to the requirement so as to realize the optimal anti-loosening and tensile effect of the plastic package body on the tail accessory; the shape of the lug can also be designed according to requirements, for example, two circumferential stop surfaces of the anti-rotation groove, which are positioned on the lug, can be arranged in parallel; the connecting part can be provided with no jackscrew; the connector and the tail accessory can also be fixedly connected in a connecting mode in the background technology; the lug can also be not provided with an axial stop surface for forwardly stopping and matching with the plastic package body, namely the front end of the lug can be connected with the connecting part, and at the moment, the fixing stability of the plastic package body on the tail accessory is improved through the stop matching of the fixed groove and the plastic package body.
The embodiment 2 of the tail attachment of the present invention differs from the embodiment 1 of the tail attachment of the present invention only in that: as shown in fig. 4, in the present embodiment, two circles of protrusions are disposed on the tail accessory at intervals along the axial direction of the tail accessory, wherein the first protrusion 10 is disposed near the connecting portion 30, four first protrusions 10 are disposed at intervals along the circumferential direction of the tail accessory, and a first anti-rotation slot 60 is formed between two adjacent first protrusions 10; the second protrusions 11 are far away from the connecting portion 30, the number of the second protrusions 11 is four, the four second protrusions 11 are also arranged at intervals along the circumferential direction of the tail accessory, and a second anti-rotation groove 61 is formed between every two adjacent second protrusions 11. A first tensile groove 40 and a second tensile groove 41 for filling the plastic package body are respectively formed between the connecting portion 30 and the first bump 10, and between the first bump 10 and the second bump 11. Any one of the first projections 10 and the second projections 11 are arranged in a staggered manner in the circumferential direction of the tail attachment.
On one hand, when the plastic package body is subjected to a pulling force along the axial direction of the tail accessory, the axial blocking surfaces on the first convex block 10 and the second convex block 11 are staggered with each other, so that a double blocking effect is achieved on the plastic package body, the plastic package body can be effectively prevented from being pulled to move relative to the tail accessory, and the fixing stability of the plastic package body on the tail accessory is improved. On the other hand, when the plastic package body is subjected to a circumferential force along the tail accessory, the circumferential stopping surfaces on the first anti-rotation groove 60 and the second anti-rotation groove 61 both play a circumferential stopping role on the plastic package body, so that the fixing stability of the plastic package body on the tail accessory is improved. In other embodiments, more than three circles of lugs can be arranged on the tail accessory at intervals along the circumferential direction of the tail accessory; the number of the convex blocks on each ring can also be two, three or more than five according to the requirement.
In a specific embodiment of the connector assembly of the present invention, the connector assembly includes a connector and a tail accessory disposed at a rear end of the connector, and the tail accessory has the same structure as that described in the above specific embodiment 1 or embodiment 2 of the tail accessory, and is not described again.
Claims (10)
1. The connector assembly comprises a connector and a tail accessory fixedly connected to the rear end of the connector, wherein a plastic package body fixing section matched with a plastic package body is arranged on the tail accessory.
2. The connector assembly of claim 1, wherein the plastic body fixing section is provided with at least two protrusions spaced apart from each other in a circumferential direction, and the rotation-preventing grooves are formed between the adjacent protrusions.
3. The connector assembly of claim 2, wherein the protrusion has an axial stop surface for forward stop engagement with the plastic package body, and the protrusion is spaced apart along the circumference of the tail fitting by at least two, wherein the two protrusions spaced apart along the circumference of the tail fitting are staggered along the circumference of the tail fitting.
4. The connector assembly of claim 2 or 3, wherein the cable shield fixing portion of the plastic package body fixing section is located at a rear side of the projection so that the projection positions a front end of the cable shield.
5. A connector assembly according to claim 2 or 3, wherein the projections are scallops.
6. The plastic package structure comprises a tail accessory, wherein the tail accessory is provided with a connecting part used for being fixedly connected with a connector and a plastic package body fixing section used for being matched with a plastic package body.
7. The tail accessory of claim 6, wherein the plastic body fixing section is provided at an outer periphery thereof with at least two protrusions spaced apart in a circumferential direction, and the rotation preventing grooves are formed between adjacent protrusions.
8. The tail attachment of claim 7, wherein the protrusion has an axial stop surface for forward stop engagement with the plastic package body, and the protrusion is spaced apart along the circumference of the tail attachment by at least two, wherein the two protrusions spaced apart along the circumference of the tail attachment are offset in the circumference of the tail attachment.
9. The tail attachment of claim 7 or 8, wherein the cable shield attachment portion of the plastic package body attachment section is located behind the tab to position the tab to the front end of the cable shield.
10. The caudal attachment as claimed in claim 7 or claim 8, wherein the protrusion is a segment.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018111612832 | 2018-09-30 | ||
| CN201811161283 | 2018-09-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110611206A true CN110611206A (en) | 2019-12-24 |
Family
ID=68888940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811582700.0A Pending CN110611206A (en) | 2018-09-30 | 2018-12-24 | Connector assembly and tail accessory thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110611206A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748722A (en) * | 2011-04-21 | 2012-10-24 | 海洋王照明科技股份有限公司 | Explosion-proof lamp and overcurrent insert device thereof |
| CN203250902U (en) * | 2013-05-16 | 2013-10-23 | 四川九洲线缆有限责任公司 | Coal mine-used communication cable assembly |
| CN104347968A (en) * | 2013-08-02 | 2015-02-11 | 深圳市海洋王照明工程有限公司 | Cable flame-proof joint structure of light fixture |
| CN205781644U (en) * | 2016-05-09 | 2016-12-07 | 重庆顾地塑胶电器有限公司 | Pp-r screw thread straight joint |
-
2018
- 2018-12-24 CN CN201811582700.0A patent/CN110611206A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102748722A (en) * | 2011-04-21 | 2012-10-24 | 海洋王照明科技股份有限公司 | Explosion-proof lamp and overcurrent insert device thereof |
| CN203250902U (en) * | 2013-05-16 | 2013-10-23 | 四川九洲线缆有限责任公司 | Coal mine-used communication cable assembly |
| CN104347968A (en) * | 2013-08-02 | 2015-02-11 | 深圳市海洋王照明工程有限公司 | Cable flame-proof joint structure of light fixture |
| CN205781644U (en) * | 2016-05-09 | 2016-12-07 | 重庆顾地塑胶电器有限公司 | Pp-r screw thread straight joint |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191224 |
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| RJ01 | Rejection of invention patent application after publication |