CN114649722B - Equal-division binding method for processing electric connector tail cover - Google Patents
Equal-division binding method for processing electric connector tail cover Download PDFInfo
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- CN114649722B CN114649722B CN202210379758.5A CN202210379758A CN114649722B CN 114649722 B CN114649722 B CN 114649722B CN 202210379758 A CN202210379758 A CN 202210379758A CN 114649722 B CN114649722 B CN 114649722B
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- electric connector
- tail cover
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- wires
- binding
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- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000012545 processing Methods 0.000 title claims abstract description 6
- 238000004804 winding Methods 0.000 claims abstract description 24
- 238000003466 welding Methods 0.000 claims abstract description 20
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 18
- 239000004744 fabric Substances 0.000 claims abstract description 17
- 230000002787 reinforcement Effects 0.000 claims abstract description 11
- 238000000071 blow moulding Methods 0.000 claims abstract description 8
- 238000013461 design Methods 0.000 claims abstract description 7
- 239000003292 glue Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000003825 pressing Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000007664 blowing Methods 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009863 impact test Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 238000009757 thermoplastic moulding Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/02—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for soldered or welded connections
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention provides an equal-division binding method for processing an electric connector tail cover, which belongs to the technical field of electric connection of electronic products and comprises the following steps of M1: preparing work and operating tools; m2: welding, namely welding an electric connector, and welding leads of the electric connector according to a design drawing; m3: binding after beam splitting; the number of the wires is divided equally, and the larger the difference value between the number of the cores of the electric connector and the number of the welding wires is, the more the number of the wires is divided equally; m4: beam splitting reinforcement, namely, beam splitting winding and blow molding by using thermal shrinkage cloth, and then reinforcing, wherein the width of the reinforced thermal shrinkage cloth is matched with the width of a tail cover opening of the electric connector; m5: installing a tail cover, and installing the wire harness into the tail cover of the electric connector; m6: the whole reinforcement is carried out, and the width of the wire harness is not wider than the width between two fixing screws of the tail cover wire clamp; m7: installing a wire clamp, namely installing and clamping the wire clamp matched with the electric connector in place; m8: and (5) dispensing and reinforcing. The invention solves the quality problem of tail cover falling off under high-frequency vibration impact, and improves the reliability and the feasibility of products.
Description
Technical Field
The invention belongs to the technical field of electronic product electrical connection, relates to electrical connector tail cover treatment, and in particular relates to an equal-division binding method for treating an electrical connector tail cover.
Background
Aviation electrical connectors are commonly used as one of the most commonly used electronic devices in the design of various electrical products. With the demands of high performance, miniaturization and light weight of electronic products, low frequency cable assemblies are developed towards integration, miniaturization, high reliability and long service life. Typically, the electrical connector has a mating boot protection device, and the number of wires soldered would normally be matched to the selected aviation plug. However, in certain types of development processes, because of space or type selection limitations, when manufacturing low frequency cable assemblies with fewer conductors than the number of cores of the selected electrical connector, there is a mismatch between the diameter of the conductor bundle and the inner diameter of the outlet of the tail cap of the electrical connector. If the tail cover of the electric connector is subjected to anti-loosening treatment by adopting the conventional modes of winding an insulating tape or sleeving a polyvinyl chloride sleeve and the like, the wire clip is easy to press and loose, and falls off in a strong vibration impact test, so that the root of the wire is stressed or the sealing is not tight and the like, and the phenomenon is particularly obvious in the use of the rectangular electric connector.
Disclosure of Invention
The invention aims to solve the problem of providing an equal-division binding method for processing the tail cover of the electric connector, solving the problem in the background technology, adopting the equal-division binding method to process the tail cover of the rectangular electric connector solves the quality problem that the tail cover falls off under high-frequency vibration impact, and improves the reliability and the feasibility of products.
In order to solve the technical problems, the invention adopts the following technical scheme: the equally divided binding method for processing the tail cover of the electric connector comprises the following steps,
m1: preparing work, wherein an operator reads technical rules and prepares an operation tool;
m2: welding, namely welding an electric connector, and welding leads of the electric connector according to a design drawing;
m3: binding after beam splitting; the number of the wires is divided equally, and the larger the difference value between the number of the cores of the electric connector and the number of the welding wires is, the more the number of the wires is divided equally;
m4: beam splitting reinforcement, namely, beam splitting winding and blow molding by using thermal shrinkage cloth, and then reinforcing, wherein the width of the reinforced thermal shrinkage cloth is matched with the width of a tail cover opening of the electric connector;
m5: installing a tail cover, installing a wire harness into the tail cover of the electric connector, wherein the width of a wire harness reinforcing part is narrower than the width between two fixing screws of a tail cover wire clamp, and leaving an integral reinforcing allowance;
m6: integrally reinforcing, namely winding a plurality of groups of wires together by using heat-shrinkable cloth, and reinforcing the wires into a whole, wherein the width of a wire harness is not wider than the width between two fixing screws of a tail cover wire clamp;
m7: the method comprises the steps of installing a wire clamp, clamping the wire clamp matched with the electric connector in place, clamping the wire clamp of the electric connector on a winding part of heat-shrinkable cloth, and coating anti-loosening glue on screw threads to screw the wire clamp;
m8: and (5) dispensing and reinforcing, namely dispensing and reinforcing at the tail end of the heat shrinkage cloth.
Further, in the step M3, all the wires are equally divided into four groups, and are bound by Nomax binding wires, so that the binding wires after binding are smooth and compact.
Further, in step M4, when the heat-shrinkable tapes are wound in groups, the thickness and width of each group are equal after winding, and the whole width can be penetrated out of the tail cover opening.
Further, in the step M5, the split beam is integrally wound together, and the winding thickness of the heat-shrinkable tape is the same as the inner diameter of the wire pressing card of the rectangular electric connector in width and height.
Further, in both steps M4 and M6, blow molding is performed using a heat gun.
Further, after the step M6, a dustproof curtain is additionally arranged at the tail cover opening and is pressed tightly.
Further, the method is applied to a rectangular electric connector.
Compared with the prior art, the invention has the following advantages and positive effects.
The method comprises the steps of grouping and fixing the wire harness, performing thermoplastic molding, and matching the wire diameter of the wire harness with the tail cover of the electric connector after the treatment is finished, so that the method can be widely applied to the production and the manufacture of various rectangular electric connectors, the tail cover falling phenomenon is avoided, the electric communication is smooth, the quality problem of the tail cover falling under high-frequency vibration impact is solved, and the reliability and the practicability of products are improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 is a schematic flow chart of the method for equally dividing and binding the tail cover of the electric connector;
FIG. 2 is a schematic illustration of ligating in an embodiment of the invention;
FIG. 3 is a schematic illustration after blow molding in an embodiment of the invention;
FIG. 4 is a schematic view of the present invention incorporating a rectangular electrical connector tail cap;
figure 5 is a schematic view of the structure of the invention after being integrally wound and blow molded,
fig. 6 is a schematic view of the structure of the present invention after being integrally compressed.
Reference numerals:
1. a wire; 2. a strap; 3. thermal shrinkage cloth; 4. a tail cover; 5. a dust-proof curtain; 6. a wire clamp; 7. an electrical connector.
Detailed Description
It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In general, after welding or crimping of the spacecraft low-frequency cable assembly is finished, the wires in the tail cover are naturally smoothed out along the axial direction of the welding cup, the wire bundles are gathered into a Y shape, the wire outlet part of the tail cover is bound and shaped, stress is eliminated, and then the heat shrinkage belt or the nylon adhesive tape is adopted to wind the wire pressing clamping part of the tail cover for anti-loosening treatment, so that the effects of protecting welding spots and fastening cables are achieved.
According to the conventional tail cover processing method, when the number of wires is smaller than the number of cores of the rectangular electric connector, the situation that the diameters of wire bundles are not matched with the inner diameters of wire outlets of the tail cover of the electric connector can occur, and when the winding width of the heat-shrinkable belt ensures the width of a wire pressing card of the tail cover, the installation of the wire pressing card is highly influenced; when the winding height of the thermal shrinkage belt ensures the height of the tail cover wire clip, larger gaps are reserved on two sides after the wire clip is installed, the wire clip is ensured to be pressed by elastic insulating materials with equal height are filled on two sides, but after a high-frequency vibration test is carried out on a certain model of product, the tail cover treatment part is fallen.
The tail cover of the low-frequency cable assembly falls off, and the insulating performance of the electronic product is greatly reduced under some special environments (high and low temperature, humidity and high salt); and the compression protection is absent, and the electric connector is frequently plugged and unplugged, so that the root of the lead is damaged or broken, and then the lead is broken, short-circuited, larger quality accidents are caused, and even the whole star is invalid.
As shown in fig. 1, the method for equally dividing and binding the tail cover of the electric connector comprises the following steps.
M1: preparing before assembling, and preparing an operation tool by an operator after reading a technical specification;
m2: the electric connector 7 is welded, and the lead wires of the electric connector 7 are welded according to a design drawing;
the corresponding electric connector 7 is selected for welding according to the design requirement, and the control of the welding temperature and time is needed to be paid attention to during the welding.
M3: respectively binding after beam splitting, and equally dividing the lead 1 into 4 parts and respectively binding;
the number of the wires 1 is equal and depends on the actual number of cores of the electrical connector 7 and the number of the soldered wires 1. The larger the difference between the number of cores of the electric connector 7 and the number of the welding wires 1 is, the more the number of bisectors is. Typically 4 aliquots are used.
M4: beam splitting and reinforcement, namely beam splitting and winding by using a thermal shrinkage cloth 3 for reinforcement;
the number of winding turns of the thermal shrinkage cloth 3 is determined according to practical conditions, and after winding and blow molding, the width of 4 groups is suitable for being matched with the width of 4 openings of the tail cover 4 of the electric connector 7.
M5: mounting a tail cover 4, and loading the wire harness into the tail cover 4 of the electric connector 7;
the width of the wire harness reinforcement part is slightly smaller than the width between two fixing screws of the tail cover 4 wire clamp 6, and the whole reinforcement allowance is reserved.
M6: integrally reinforcing, wherein a plurality of groups of wires 1 are wound together by using heat shrinkage cloth 3 and are reinforced into a whole;
after the whole reinforcement, the width of the wire harness is not wider than the width between two fixing screws of the wire clamp 6 of the tail cover 4.
M7: mounting the wire clamp 6, and clamping the electric connector 7 together with the wire clamp 6 in place;
the electric connector wire clamp 6 is clamped at the winding part of the thermal shrinkage cloth 3, and screw threads are coated with anti-loosening glue and screwed.
M8: and (3) dispensing and reinforcing, namely, gluing and reinforcing at the tail end of the heat-shrinkable fabric 3.
The silicone rubber is poured into the heat-shrinkable cloth 3 along the tail end for one circle, and is solidified for 24 hours and then subjected to the next operation.
Examples: as shown in fig. 2-6, taking the tail cover 4 of the rectangular electric connector 7 of the J36A-52TK as an example, the following operation is carried out according to the process flow:
the operator reads the technical rules, knows the technological process and prepares the operation tool;
welding the lead wire of the electric connector 7 according to the requirements of a design drawing;
all the wires 1 of the rectangular electric connector 7 are equally divided into four groups and bound by Nomax binding wires, as shown in figure 2;
after binding, winding the heat shrinkage belts in groups, and uniformly winding the four groups, and blowing with a hot air gun, wherein the blowing is shown in figure 3;
after the blow molding is completed, the tail cover 4 of the rectangular electric connector 7 is installed, as shown in fig. 4;
winding the four groups of whole bodies by using a heat shrinkage belt, and blowing by using a hot air gun, as shown in figure 5;
a dustproof curtain 5 is additionally arranged at the mouth end of the tail cover 4 and is pressed tightly, as shown in fig. 6;
and (5) carrying out dispensing reinforcement treatment on the wound heat-shrinkable belt.
Handling process notice
The soldered wires 1 of the electric connector 7 are divided into N groups (specific groups are determined according to the situation) as evenly as possible according to the width of the wire pressing card of the tail cover 4, and the case is divided into four groups.
When the binding wire is bound by the Nomax binding wire, the binding wire is ensured to be smooth and compact after binding.
When the thermal shrinkage belts are wound according to groups, the thickness and the width of each group are equal after the winding is completed, and the whole width can penetrate out of the mouth end of the tail cover 4.
After penetrating out of the tail cover 4, the split beams are integrally wound together, and the winding thickness of the thermal shrinkage belt is the same as the inner diameter of the line pressing card of the rectangular electric connector 7 in width and height.
The low-frequency cable assembly manufactured by the equal-split binding method is carried with a certain type of product to carry out 4 mechanical tests, high-temperature soaking tests and thermal cycle tests, and after the tests are completed, the cable is intact, the tail cover 4 is not fallen off, and the electric communication is smooth.
The method can well solve a series of quality problems caused by mismatching of the wire diameter of the wire harness and the tail cover of the electric connector in the design process, and can be widely applied to the production and the manufacture of various rectangular electric connectors.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (3)
1. The equal-division binding method for processing the tail cover of the electric connector is characterized in that: is applied to a rectangular electric connector, and comprises the following steps,
m1: preparing work, wherein an operator reads technical rules and prepares an operation tool;
m2: welding, namely welding an electric connector, and welding leads of the electric connector according to a design drawing;
m3: binding after beam splitting; the number of the wires is divided equally, and the larger the difference value between the number of the cores of the electric connector and the number of the welding wires is, the more the number of the wires is divided equally;
m4: beam splitting and reinforcing, namely, beam splitting, winding and blow molding by using a heat shrinkage belt, then reinforcing, wherein the width of the beam is matched with the width of a tail cover opening of the electric connector, and in the step M4, when the heat shrinkage belt is wound according to the beam, the thickness and the width of each beam are equal after the winding is completed, and the whole width can penetrate out of the tail cover opening;
m5: installing a tail cover, namely installing a wire harness into the tail cover of the electric connector, wherein the width of a reinforcement part of the wire harness is smaller than the width between two fixing screws of a wire clamp of the tail cover, and leaving an integral reinforcement allowance, and in the step M5, integrally winding the split wire harness together, wherein the winding thickness of a heat-shrinkable belt is the same as the inner diameter of a wire clamp of the rectangular electric connector;
m6: integrally reinforcing, namely winding a plurality of groups of wires together by using heat-shrinkable cloth, reinforcing the wires into a whole, wherein the width of a wire harness is not wider than the width between two fixing screws of a tail cover wire clamp, and after the step M6, installing a dustproof curtain at the tail cover opening and compacting the dustproof curtain;
m7: the method comprises the steps of installing a wire clamp, clamping the wire clamp matched with the electric connector in place, clamping the wire clamp of the electric connector on a winding part of heat-shrinkable cloth, and coating anti-loosening glue on screw threads to screw the wire clamp;
m8: and (5) dispensing and reinforcing, namely dispensing and reinforcing at the tail end of the heat shrinkage cloth.
2. The method of equally dividing and binding an electrical connector tail cap according to claim 1, wherein: in the step M3, all the wires are equally divided into four groups, and are bound by Nomax binding wires, so that the binding wires are smooth and compact after binding.
3. The method of equally dividing and binding an electrical connector tail cap according to claim 1, wherein: in both steps M4 and M6, blow molding is performed using a heat gun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210379758.5A CN114649722B (en) | 2022-04-12 | 2022-04-12 | Equal-division binding method for processing electric connector tail cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210379758.5A CN114649722B (en) | 2022-04-12 | 2022-04-12 | Equal-division binding method for processing electric connector tail cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114649722A CN114649722A (en) | 2022-06-21 |
| CN114649722B true CN114649722B (en) | 2024-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210379758.5A Active CN114649722B (en) | 2022-04-12 | 2022-04-12 | Equal-division binding method for processing electric connector tail cover |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115189302B (en) * | 2022-06-22 | 2024-05-31 | 中国空间技术研究院 | Design method of extra-high power cable for aerospace |
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| WO2009048546A1 (en) * | 2007-10-10 | 2009-04-16 | Tyco Electronics Corporation | Wire clamp system for an electrical connector |
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| CN104505675A (en) * | 2014-11-24 | 2015-04-08 | 北京华航无线电测量研究所 | High pressure-resisting sealing connector and cable manufacturing method |
| CN104600533A (en) * | 2013-10-31 | 2015-05-06 | 北京实验工厂 | Internal wire margin control method of electric connector |
| CN105337136A (en) * | 2015-11-23 | 2016-02-17 | 上海卫星装备研究所 | Technique for eliminating stress of wire at welding spot of rectangular electric connector used for cable for satellite |
| CN105355332A (en) * | 2015-11-23 | 2016-02-24 | 上海卫星装备研究所 | Method for enhancing shielding efficiency of tail cover equipped micro rectangular electric connector cable assembly for satellites |
| CN109638603A (en) * | 2018-12-11 | 2019-04-16 | 上海航天精密机械研究所 | Tail attached connector harness forming method in cable right angle on a kind of bullet |
| CN114156700A (en) * | 2021-12-13 | 2022-03-08 | 上海空间电源研究所 | Rectangular electric connector electromagnetic shielding tail cover for spaceflight |
-
2022
- 2022-04-12 CN CN202210379758.5A patent/CN114649722B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1598901A1 (en) * | 2004-05-20 | 2005-11-23 | Yazaki Corporation | Joint box for connecting electrical wires |
| WO2009048546A1 (en) * | 2007-10-10 | 2009-04-16 | Tyco Electronics Corporation | Wire clamp system for an electrical connector |
| CN104600533A (en) * | 2013-10-31 | 2015-05-06 | 北京实验工厂 | Internal wire margin control method of electric connector |
| CN104319543A (en) * | 2014-10-13 | 2015-01-28 | 北京卫星制造厂 | Bracket and spacecraft cable network assembly method |
| CN104505675A (en) * | 2014-11-24 | 2015-04-08 | 北京华航无线电测量研究所 | High pressure-resisting sealing connector and cable manufacturing method |
| CN105337136A (en) * | 2015-11-23 | 2016-02-17 | 上海卫星装备研究所 | Technique for eliminating stress of wire at welding spot of rectangular electric connector used for cable for satellite |
| CN105355332A (en) * | 2015-11-23 | 2016-02-24 | 上海卫星装备研究所 | Method for enhancing shielding efficiency of tail cover equipped micro rectangular electric connector cable assembly for satellites |
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| CN114649722A (en) | 2022-06-21 |
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