CN210245756U - SR line butt joint structure - Google Patents

SR line butt joint structure Download PDF

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Publication number
CN210245756U
CN210245756U CN201921308547.2U CN201921308547U CN210245756U CN 210245756 U CN210245756 U CN 210245756U CN 201921308547 U CN201921308547 U CN 201921308547U CN 210245756 U CN210245756 U CN 210245756U
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CN
China
Prior art keywords
line
wire
hole
pcb
centre form
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.)
Expired - Fee Related
Application number
CN201921308547.2U
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Chinese (zh)
Inventor
Chun Li
李春
Jianxin Huang
黄建新
Yi Li
李毅
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Edgar Automotive Accessory Dongguan Co ltd
Original Assignee
Edgar Automotive Accessory Dongguan Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Edgar Automotive Accessory Dongguan Co ltd filed Critical Edgar Automotive Accessory Dongguan Co ltd
Priority to CN201921308547.2U priority Critical patent/CN210245756U/en
Application granted granted Critical
Publication of CN210245756U publication Critical patent/CN210245756U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a SR line butt-joint structural, it includes PCB board, PE centre form, PVC external mold, first SR line and second SR line, the PCB board is located the inner chamber of PE centre form, the PE centre form is located the cavity of PVC external mold. The wire cores of the first SR wire and the second SR wire are correspondingly connected to the metal connecting holes of the PCB corresponding to the wire cores, so that the first SR wire and the second SR wire are in conductive butt joint, the operation is simple and convenient, the anti-pulling performance is strong, and the service life is long; the PE inner die carries out omnibearing cladding and positioning on the PCB and the connecting positions of the first SR line and the second SR line with the PCB, the sealing effect is good, and water is effectively prevented from seeping into and flowing onto the PCB; meanwhile, the PVC outer die is used for carrying out all-dimensional cladding and positioning on the PE inner die and the connecting positions of the first SR line and the second SR line with the PE inner die to form a protective layer, so that the composite material is wear-resistant and shock-resistant, and the service life is effectively prolonged.

Description

SR line butt joint structure
Technical Field
The utility model relates to a butt joint technical field, concretely relates to SR line butt joint structure.
Background
SR is a shorthand for STRAIN RELIEF, which is used to eliminate the stress of the wires and prevent the core wire at the wire connection from breaking, and is made of rubber or other materials with different strength for different wires.
Current line butt joint structure mostly is the insulating outer quilt back of adopting to peel off, and the sinle silk that will need the butt joint again twines and connects, and some for promoting the connection effect, still carry out soldering tin, then wrap up insulating adhesive tape again. Although the purpose of connection can be achieved, the protection effect of the insulating tape is limited, the phenomenon of abrasion and cracking is easy to occur, and the waterproof effect is poor.
SUMMERY OF THE UTILITY MODEL
To the above, an object of the utility model is to provide a structural design is reasonable, and the excellent in connection effect, long service life's SR line butt-joint structural.
In order to achieve the above purpose, the utility model provides a technical scheme is: the utility model provides a SR line butt joint structure, its includes PCB board, PE centre form, PVC external mold, first SR line and second SR line, be equipped with in the PE centre form with the inner chamber of the appearance profile looks adaptation of PCB board, the PCB board is located this inner chamber, and the both ends symmetry of this PCB board is equipped with the metal connecting hole, be equipped with respectively on the both ends wall of PE centre form with the line hole that the inner chamber is linked together, the one end of first SR line and second SR line stretches into through corresponding line hole the inner chamber is connected rather than corresponding metal connecting hole, be equipped with in the PVC external mold with the cavity of the appearance profile looks adaptation of PE centre form, the PE centre form is located this cavity, the position that the end wall of PVC external mold corresponds the line hole is equipped with the SR, is equipped with the through-hole that lets the other end of first SR line or second SR line stretch out on this SR.
As an improvement of the utility model, the PVC outer mold is provided with at least two openings on the surface.
As an improvement of the present invention, the opening is communicated with the cavity. This trompil does benefit to the circulation of air, and the heat energy conduction that the PCB board produced is whole to the PE centre form, can distribute away the heat of PE centre form through the trompil. And the air tightness and the waterproof performance of the PE inner mold are not influenced by the opening. Meanwhile, the opening can be used for positioning and mounting. The positioning convex column is arranged on a base surface to be installed in advance, and the positioning convex column is clamped into the hole, so that the purpose of rapid positioning and assembling is achieved.
As an improvement of the utility model, the central axis perpendicular to of metal connecting hole PCB board plane. The wire core of the first SR wire or the second SR wire can be conveniently bound through the metal connecting hole.
As an improvement of the utility model, the through-hole quantity on the SR is two, and two through-hole intervals are arranged in parallel on the SR. The number of vias is determined by the number of first and second SR lines.
As an improvement of the utility model, the PE inner mold is rectangular, and four corners of the PE inner mold are provided with chamfers. The PVC outer mold is cuboid, four corners of the PVC outer mold are provided with chamfers, the PVC outer mold is attractive in appearance, and the possibility that sharp corners damage people or objects is reduced.
As an improvement of the present invention, the SR is provided with a plurality of slots at intervals, and the slots are communicated with the through holes. The bending of the first SR line and the second SR line is facilitated, and the use is convenient.
As an improvement of the utility model, the grooved middle position is equipped with the splice bar that makes its two relative cell walls be connected, promotes the stability of structure, increase of service life.
The utility model has the advantages that: the utility model has the advantages of reasonable structural design, the wire cores of the first and second SR lines are correspondingly connected to the metal connecting holes of the PCB corresponding to the first and second SR lines, thereby realizing the conduction and butt joint of the first and second SR lines, simple and convenient operation, strong anti-pulling performance and long service life; the PE inner die carries out omnibearing cladding and positioning on the PCB and the connecting positions of the first SR line and the second SR line with the PCB, the sealing effect is good, and water is effectively prevented from seeping into and flowing onto the PCB; meanwhile, the PVC outer die is used for carrying out all-dimensional cladding and positioning on the PE inner die and the connecting positions of the first SR line and the second SR line with the PE inner die to form a protective layer, so that the composite material is wear-resistant and shock-resistant, and the service life is effectively prolonged. Additionally, the utility model discloses overall structure is compact, small in size easily realizes, does benefit to extensive popularization and application.
The present invention will be further explained with reference to the drawings and the embodiments.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
Fig. 2 is a schematic diagram 1 of the explosion structure of the present invention.
Fig. 3 is a schematic diagram 2 of the explosion structure of the present invention.
Detailed Description
Example (b): referring to fig. 1 to 3, the SR line docking structure provided in this embodiment includes a PCB 1, a PE inner mold 2, a PVC outer mold 3, a first SR line 4, and a second SR line 5.
An inner cavity 21 matched with the outline of the PCB 1 is arranged in the PE inner die 2, the PCB 1 is located in the inner cavity 21, metal connecting holes 11 are symmetrically formed in two ends of the PCB 1, wire holes 22 communicated with the inner cavity 21 are respectively formed in two end walls of the PE inner die 2, and one ends of the first SR wire 4 and the second SR wire 5 extend into the inner cavity 21 through the corresponding wire holes 22 and are connected with the corresponding metal connecting holes 11. The central axis of the metal connecting hole 11 is perpendicular to the plane of the PCB board 1. Make things convenient for the sinle silk of first SR line 4 or second SR line 5 to pass metal connecting hole 11 and bind, can also carry out some tin welding, promote firm in connection degree, it is good to resist and pull the performance.
A cavity 31 matched with the outline of the PE inner die 2 is arranged in the PVC outer die 3, the PE inner die 2 is positioned in the cavity 31, an SR32 is arranged at the position, corresponding to the wire hole 22, of the end wall of the PVC outer die 3, and a through hole 321 allowing the other end of the first SR wire 4 or the other end of the second SR wire 5 to extend out is arranged on the SR 32.
Preferably, at least two openings 33 are formed on the surface of the PVC outer mold 3, and in this embodiment, the number of the openings 33 is five. In particular, the opening 33 communicates with the cavity 31. This trompil 33 does benefit to the circulation of air, and the heat that PCB board 1 produced can conduct to PE centre form 2 wholly, can distribute away the heat of PE centre form 2 through trompil 33. The opening 33 does not affect the air tightness and the waterproof performance of the PE inner mold 2. And can be positioned and installed by using the opening 33. Namely, the base surface to be installed is provided with a corresponding positioning convex column in advance, and the positioning convex column is clamped into the hole 33, so that the purpose of rapid positioning and assembling is realized.
The number of the through holes 321 on the SR32 is two, and the two through holes 321 are spaced and arranged on the SR 32. The number of vias 321 is determined by the number of first SR lines 4 and second SR lines 5.
In this embodiment, the PE inner mold 2 is rectangular, and four corners thereof are provided with chamfers. The PVC outer mold 3 is cuboid, four corners of the PVC outer mold are provided with chamfers, the PVC outer mold is attractive in appearance, and the possibility that sharp corners damage people or objects is reduced. The whole structure is compact, and the use is facilitated. In other embodiments, the PE inner mold 2 and the PVC outer mold 3 may be circular or square, etc.
A plurality of slots 322 are arranged on the SR32 at intervals, and the slots 322 are communicated with the through hole 321. The first SR line 4 and the second SR line 5 can be bent conveniently, and the use is convenient. The middle part of the open slot 322 is provided with a connecting rib 323 which leads the two opposite slot walls to be connected, thereby improving the stability of the structure and prolonging the service life. Preferably, the surface of the first SR line 4 and the surface of the second SR line 5 are provided with clamping protrusions which can be clamped into the slots 322, so that the anti-pulling performance can be further improved, and the connecting effect is good.
During production, the wire cores of the first SR wire 4 and the second SR wire 5 are correspondingly connected to the metal connecting holes 11 of the PCB 1 corresponding to the wire cores, so that the first SR wire 4 and the second SR wire 5 are in conduction butt joint, and the method is simple and convenient to operate, strong in anti-pulling performance and long in service life; then, injection molding and encapsulation are carried out on the PCB 1 and the connecting positions of the first SR line 4 and the second SR line 5 with the PCB 1 to form a PE inner die 2, and the connecting positions of the PCB 1 and the first SR line 4 and the second SR line 5 with the PCB 1 are subjected to omnibearing cladding and positioning through the PE inner die 2, so that the sealing effect is good, and water is effectively prevented from seeping into and flowing onto the PCB 1; meanwhile, the connecting positions of the PE inner die 2, the first SR line 4, the second SR line 5 and the PE inner die 2 are subjected to injection molding and encapsulation to form a PVC outer die 3, and the PVC outer die 3 is subjected to omnibearing cladding positioning protection, so that the PVC outer die has the characteristics of wear resistance, shock resistance and the like, and the service life is effectively prolonged.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. Furthermore, although specific terms are employed herein, they are used in a generic and descriptive sense only and not for purposes of limitation. If the present invention is applied to the above embodiments, the structure of other structures obtained by using the same or similar structure is all within the protection scope of the present invention.

Claims (9)

1. An SR line butt-joint structure is characterized in that: it includes PCB board, PE centre form, PVC external mold, first SR line and second SR line, be equipped with in the PE centre form with the inner chamber of the appearance profile looks adaptation of PCB board, the PCB board is located this inner chamber, and the both ends symmetry of this PCB board is equipped with the metal connecting hole, be equipped with respectively on the both ends wall of PE centre form with the line hole that the inner chamber is linked together, the one end of first SR line and second SR line stretches into through corresponding line hole the inner chamber is connected rather than corresponding metal connecting hole, be equipped with in the PVC external mold with the cavity of the appearance profile looks adaptation of PE centre form, the PE centre form is located this cavity, the position that the end wall of PVC external mold corresponds the line hole is equipped with the SR, is equipped with the through-hole that lets the other end of first SR line or second SR line stretch out on this SR.
2. The SR line butt joint structure according to claim 1, wherein at least two openings are provided on the surface of said PVC outer mold.
3. The SR line docking structure of claim 2 wherein the opening is in communication with a cavity.
4. The SR line docking structure of claim 1 wherein a central axis of the metal connection hole is perpendicular to the PCB board plane.
5. The SR line interfacing structure of claim 1, wherein the number of the through holes on the SR is two, and the two through holes are spaced apart and arranged side by side on the SR.
6. The SR wire butting structure according to claim 1, wherein the PE inner mold has a rectangular parallelepiped shape, and four corners thereof are chamfered.
7. The SR wire butting structure according to claim 6, wherein said PVC outer mold has a rectangular parallelepiped shape, and four corners thereof are chamfered.
8. The SR line interfacing structure of claim 1, wherein a plurality of slots are formed in the SR line at intervals, the slots communicating with the through hole.
9. The SR wire butt joint structure according to claim 8, wherein the middle portion of the slot is provided with a connecting rib for connecting the two opposite slot walls.
CN201921308547.2U 2019-08-13 2019-08-13 SR line butt joint structure Expired - Fee Related CN210245756U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921308547.2U CN210245756U (en) 2019-08-13 2019-08-13 SR line butt joint structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921308547.2U CN210245756U (en) 2019-08-13 2019-08-13 SR line butt joint structure

Publications (1)

Publication Number Publication Date
CN210245756U true CN210245756U (en) 2020-04-03

Family

ID=69965110

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921308547.2U Expired - Fee Related CN210245756U (en) 2019-08-13 2019-08-13 SR line butt joint structure

Country Status (1)

Country Link
CN (1) CN210245756U (en)

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Granted publication date: 20200403