CN112812553A - Low-irradiation wear-resistant rectangular electric connector and production process thereof - Google Patents
Low-irradiation wear-resistant rectangular electric connector and production process thereof Download PDFInfo
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Abstract
The invention discloses a low-irradiation wear-resistant rectangular electric connector and a production process thereof, and relates to the technical field of electric connectors, the low-irradiation wear-resistant rectangular electric connector comprises a head shell, a seat shell and an insertion block, wherein the head shell, the seat shell and the insertion block are all made of nylon materials, and the nylon materials comprise the following components in parts by weight: the low-irradiation wear-resistant rectangular electric connector has the advantages of high density, light weight, miniaturization and miniaturization, can resist severe use environments such as stronger vibration and impact, is particularly suitable for application occasions with special requirements on irradiation resistance, and is simple in production process and beneficial to actual production.
Description
Technical Field
The invention relates to the technical field of electric connectors, in particular to a low-irradiation wear-resistant rectangular electric connector and a production process thereof.
Background
The electrical connector not only needs to meet general performance requirements, but also has the important requirements that the electrical connector has good contact, reliable operation and convenient maintenance, and whether the reliable operation directly affects the normal operation of an airplane circuit or not, and relates to the safety of the whole host. For this reason, the host circuit has very strict requirements on the quality and reliability of the electrical connector, and because of the high quality and reliability of the electrical connector, the electrical connector is also widely used in military systems such as aviation, aerospace, national defense and the like. Common classification methods for electrical connectors include shape, structure, use, etc.
The rectangular electric connector has high long-time irradiation coefficient and poor wear resistance, and meanwhile, the contact pins and the jacks of the rectangular electric connector are exchanged too tightly, so that the requirement of low irradiation index of customers cannot be met; and the pinhole is easy to have poor contact when being exchanged.
Therefore, a low-radiation wear-resistant rectangular electric connector and a production process thereof are provided to solve the above problems.
Disclosure of Invention
The invention aims to provide a low-irradiation wear-resistant rectangular electric connector and a production process thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a wear-resisting rectangle electric connector of low irradiation, the wear-resisting rectangle electric connector of low irradiation includes first casing, seat casing and inserted block, first casing, seat casing and inserted block all adopt the nylon materials, and this nylon materials comprises the following weight of parts's composition: nylon 1060-90 parts, dicumyl peroxide 5.5-8.5 parts, dibutyl tin dilaurate 4.5-8.5 parts, phthalocyanine 2.3-3.5 parts, o-hydroxy benzophenone and tetra [ beta- (3, 5-di-tert-butyl-4-hydroxy phenyl) propionic acid ] pentaerythritol ester 6.2-9.8 parts.
A production process of a low-irradiation wear-resistant rectangular electric connector comprises the following steps:
the method comprises the following steps: nylon 1060-90 parts, dicumyl peroxide 5.5-8.5 parts, dibutyltin dilaurate 4.5-8.5 parts, phthalocyanine 2.3-3.5 parts, o-hydroxybenzophenone and tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester are blended according to the proportion, the blending temperature is 160-220 ℃, and the temperature is controlled at 280-300 ℃ and a homodromous double-screw extruder is used for melt extrusion granulation;
step two: placing the product obtained in the step one in a high-energy ray area for irradiation treatment, then standing for more than 1h in an environment of 60-80 ℃, then placing the material in a double-screw extruder, injecting the material into a corresponding die by the double-screw extruder for molding, and cooling at normal temperature and demolding to obtain a head shell and a base shell;
and step three, processing the head shell and the seat shell according to the actual production specification requirements, correspondingly assembling other components, and assembling to obtain the low-irradiation wear-resistant rectangular electric connector.
The low-irradiation wear-resistant rectangular electric connector obtained by the production process comprises a head shell, wherein the right side wall of the head shell is connected with a second positioning plate, the middle end of the transverse part of the second positioning plate is symmetrically and fixedly provided with a third contact pin, the second positioning plate is fixedly provided with a second contact pin on the outer side of the third contact pin, the outer wall of the second positioning plate on the second contact pin is fixedly connected with a first contact pin, the tops of the first contact pin, the second contact pin and the third contact pin are bent by 90 degrees and then are fixedly arranged in a transverse hole of the head shell, and the left end of the head shell is provided with a jack;
the left end of the head shell is connected with a seat shell, the right side wall of the seat shell is in contact with the left side wall of the head shell, the inner wall of the seat shell is fixedly connected with an inserting block, the outer wall of the inserting block is jointed with the inner wall of the jack in a sliding way, the left side wall of the seat shell is connected with a first positioning plate, the middle end of the first positioning plate is symmetrically and fixedly provided with a third cannula, the first positioning plate is fixedly connected with a second insertion tube at the outer side of the third insertion tube, the first positioning plate is fixedly connected with a first insertion tube at the outer side wall of the second insertion tube, the tops of the first cannula, the second cannula and the third cannula are bent by 90 degrees and then fixedly arranged in the transverse holes of the base shell and the insertion block, the top of the first insertion tube is connected with the top of the first insertion pin in an inserting mode, the top of the second insertion tube is connected with the top of the second insertion pin in an inserting mode, and the top of the third insertion tube is connected with the third insertion pin in an inserting mode;
the first positioning plate and the second positioning plate are both in threaded connection with a third mounting bolt, and an inner end shell of the third mounting bolt is in threaded connection with the seat shell;
the inner wall of the insert block is connected with a drying structure for air drying, the drying structure comprises a V-shaped discharging box, air holes, a transverse groove, a limiting hole and a limiting insert block, the transverse groove is formed in the left end of the insert block, the limiting hole is formed in the left inner wall of the transverse groove, the limiting insert block is inserted in the limiting hole, the V-shaped discharging box is fixedly connected to the right side wall of the limiting insert block, the air holes for air flow are uniformly formed in the side wall and the bottom of the V-shaped discharging box, and a drying agent for drying is filled in a groove of the V-shaped discharging box;
the head shell and the seat shell are connected with a fixing structure for reinforcing the head shell and the seat shell, the fixing structure comprises a first mounting bolt, a first right-angle trapezoidal block, a square frame, a spring, a sliding rod, a second right-angle trapezoidal block, a straight triangular groove, a second mounting bolt, a straight block and a U-shaped block, the left end of the first mounting bolt is in threaded connection with the first right-angle trapezoidal block through a threaded hole, the inner end of the first right-angle trapezoidal block is in threaded connection with a threaded hole formed in the seat shell, the top of the right end of the first mounting bolt is provided with the straight triangular groove, the outer wall of the straight block is in threaded connection with the second mounting bolt through the threaded hole formed in the straight block, the inner end of the second mounting bolt is in threaded connection with the threaded hole formed in the seat shell, the top of the straight block is fixedly connected with the U-shaped block, the inner end of the U-shaped block is in contact with the inner wall of the seat shell, the top fixedly connected with square frame of spring, the bottom fixedly connected with slide bar of square frame, fixedly connected with second right angle trapezoidal piece behind spring and the U-shaped piece is run through to the bottom of slide bar, the restoring force of spring drives second right angle trapezoidal piece and inserts at straight triangular groove, first mounting bolt's slope limit sets up to the upper right, the hypotenuse of second right angle trapezoidal piece, the hypotenuse of straight triangular groove and first mounting bolt's slope limit orientation are unanimous, the straight plane of second right angle trapezoidal piece contacts with the straight plane laminating of straight triangular groove.
Furthermore, the side wall of the jack is fixedly connected with the tops of the first contact pin, the second contact pin and the third contact pin through the fixedly connected mounting ring.
Furthermore, the upright parts of the second positioning plate and the first positioning plate are uniformly provided with mounting holes, and the third mounting bolt rotates in the mounting holes.
Furthermore, the insert block is hermetically connected with the head shell through AB glue.
Furthermore, the left end of the V-shaped discharging box is attached to the inner wall of the insertion hole in a sliding mode.
Furthermore, the diameter of the air holes is 0.5-1 mm.
Furthermore, the inner wall of the mounting hole is attached to the outer wall of the first mounting bolt in a sliding mode.
Furthermore, the spring is in a compressed state when the second right-angle trapezoidal block is in contact with the straight triangular groove in an attaching mode.
The invention has the beneficial effects that:
according to the rectangular electric connector, the insert block is inserted into the jack and is in sealed connection with the head shell through the AB glue, the insert block is in sealed connection with the head shell, meanwhile, the spring of the fixing structure drives the square frame to move downwards, the square frame drives the sliding rod to move downwards, the sliding rod drives the second right-angle trapezoidal block to be inserted into the straight triangular groove, the second right-angle trapezoidal block realizes fixing of the first mounting bolt, the first mounting bolt realizes reinforcement of the seat shell and the head shell, the rectangular electric connector is stable in structure, can resist severe use environments such as strong vibration and impact, and is particularly suitable for application occasions with special requirements on radiation resistance.
According to the invention, the drying agent is placed in the V-shaped discharging box of the drying structure, the limiting insertion block is inserted into the limiting hole, the V-shaped discharging box is installed in the insertion hole, and the V-shaped discharging box absorbs moisture of air in the insertion hole through the air holes, so that the dryness in the head shell is ensured, the moisture in the insertion hole is avoided, the service life is prolonged, and the actual use is influenced.
The invention takes nylon 10, dicumyl peroxide, dibutyltin dilaurate, phthalocyanine, o-hydroxybenzophenone and tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester as raw materials of a head shell and a seat shell, and the produced head shell and seat shell have the advantages of radiation resistance, strong corrosion resistance, good wear resistance and high temperature resistance, can adapt to the use in aerospace environment, so that the low-radiation wear-resistant rectangular electric connector has the advantages of high density, light weight, miniaturization and miniaturization, can resist severe use environments such as stronger vibration and impact, and is particularly suitable for application occasions with special requirements on radiation resistance.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart of the production process of the present invention
FIG. 2 is a schematic structural view of the present invention;
FIG. 3 is a right top view of the inventive structure;
FIG. 4 is a top view of the structure of the present invention;
FIG. 5 is a right side view of the structure of the present invention;
FIG. 6 is a front bottom view of the structure of the present invention;
FIG. 7 is a structural cross-sectional view of the present invention;
FIG. 8 is a bottom view in cross-section of the structure of the present invention;
FIG. 9 is an enlarged view of the structure at A of FIG. 3 according to the present invention;
FIG. 10 is an enlarged view of the structure at B of FIG. 6 according to the present invention;
FIG. 11 is an enlarged view of the structure of FIG. 7 at C according to the present invention;
in the drawings, the components represented by the respective reference numerals are listed below:
1. the head shell 2, the seat shell 3, the first insertion tube 4, the second insertion tube 5, the third insertion tube 6, the first positioning plate 7, the fixing structure 701, the first mounting bolt 702, the first right-angle trapezoidal block 703, the square frame 704, the spring 705, the sliding rod 706, the second right-angle trapezoidal block 707, the right triangular groove 708, the second mounting bolt 709, the straight block 710, the U-shaped block 8, the second positioning plate 9, the third mounting bolt 10, the mounting hole 11, the first insertion pin 12, the second insertion pin 13, the third insertion pin 14, the insertion block 15, the insertion hole 16, the drying structure 1601, the V-shaped discharging box 1602, the ventilation hole 1603, the transverse groove 1604, the limiting hole 1605 and the limiting insertion block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The present invention will be further described with reference to the following examples.
Example one
As shown in fig. 1, the low-irradiation wear-resistant rectangular electric connector comprises a head shell, a seat shell and an insertion block, wherein the head shell, the seat shell and the insertion block are made of nylon materials, and the nylon materials comprise the following components in parts by weight: nylon 1060-90 parts, dicumyl peroxide 5.5-8.5 parts, dibutyl tin dilaurate 4.5-8.5 parts, phthalocyanine 2.3-3.5 parts, o-hydroxy benzophenone and tetra [ beta- (3, 5-di-tert-butyl-4-hydroxy phenyl) propionic acid ] pentaerythritol ester 6.2-9.8 parts.
A production process of a low-irradiation wear-resistant rectangular electric connector comprises the following steps:
the method comprises the following steps: nylon 1060-90 parts, dicumyl peroxide 5.5-8.5 parts, dibutyltin dilaurate 4.5-8.5 parts, phthalocyanine 2.3-3.5 parts, o-hydroxybenzophenone and tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester are blended according to the proportion, the blending temperature is 160-220 ℃, and the temperature is controlled at 280-300 ℃ and a homodromous double-screw extruder is used for melt extrusion granulation;
step two: placing the product obtained in the step one in a high-energy ray area for irradiation treatment, then standing for more than 1h in an environment of 60-80 ℃, then placing the material in a double-screw extruder, injecting the material into a corresponding die by the double-screw extruder for molding, and cooling at normal temperature and demolding to obtain a head shell and a base shell;
processing the head shell and the seat shell according to the actual production specification requirements, correspondingly assembling other components, and assembling to obtain the low-irradiation wear-resistant rectangular electric connector;
the production method is characterized in that nylon 10, dicumyl peroxide, dibutyltin dilaurate, phthalocyanine, o-hydroxybenzophenone and tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester are used as raw materials of a head shell and a seat shell, and the produced head shell and seat shell have the advantages of radiation resistance, strong corrosion resistance, good wear resistance and high temperature resistance, can adapt to the use in aerospace environment, have the advantages of high density, light weight, miniaturization and miniaturization, can resist severe use environments such as strong vibration and impact, are particularly suitable for application occasions with special requirements on radiation resistance, and are simple in production process and beneficial to actual production.
Example two
Example two is a further modification of example 1.
As shown in fig. 2, 3, 4, 5, 6, 10 and 11, the low-irradiation wear-resistant rectangular electric connector obtained by the production process comprises a head shell 1, wherein a second positioning plate 8 is connected to the right side wall of the head shell 1, a third pin 13 is symmetrically and fixedly installed at the middle end of the transverse position of the second positioning plate 8, a second pin 12 is fixedly installed at the outer side of the third pin 13 on the second positioning plate 8, a first pin 11 is fixedly connected to the outer wall of the second pin 12 on the second positioning plate 8, the tops of the first pin 11, the second pin 12 and the third pin 13 are bent by 90 degrees and then fixedly installed in the transverse hole of the head shell 1, a jack 15 is formed at the left end of the head shell 1, mounting holes 10 are uniformly formed at the upright positions of the second positioning plate 8 and the first positioning plate 6, a third mounting bolt 9 rotates in the mounting hole 10, the side wall of the jack 15 is fixedly connected with the first pin 11 through a mounting ring, The tops of the second pin 12 and the third pin 13 are fixedly connected;
the left end of the head shell 1 is connected with a base shell 2, the right side wall of the base shell 2 is in contact with the left side wall of the head shell 1 in a fitting manner, the inner wall of the base shell 2 is fixedly connected with an insertion block 14, the outer wall of the insertion block 14 is in sliding connection with the inner wall of a jack 15 in a fitting manner, the left side wall of the base shell 2 is connected with a first positioning plate 6, the middle end of the first positioning plate 6 is symmetrically and fixedly provided with a third insertion tube 5, the first positioning plate 6 is fixedly connected with a second insertion tube 4 on the outer side of the third insertion tube 5, the first positioning plate 6 is fixedly connected with a first insertion tube 3 on the outer side wall of the second insertion tube 4, the tops of the first insertion tube 3, the second insertion tube 4 and the third insertion tube 5 are bent by 90 degrees and then fixedly arranged in transverse holes of the base shell 2 and the insertion block 14, the top of the first insertion tube 3 is inserted into the top of the first insertion pin 11, the top of the second insertion tube 4 is inserted into the top of, the insert block 14 is hermetically connected with the head shell 1 through AB glue;
the first positioning plate 6 and the second positioning plate 8 are both in threaded connection with a third mounting bolt 9, and the inner end head shell 1 and the seat shell 2 of the third mounting bolt 9 are in threaded connection;
the inner wall of the insert 14 is connected with a drying structure 16 for air drying, the drying structure 16 comprises a V-shaped discharging box 1601, an air hole 1602, a transverse groove 1603, a limiting hole 1604 and a limiting insert block 1605, the transverse groove 1603 is arranged at the left end of the insert 14, the left inner wall of the transverse groove 1603 is provided with the limiting hole 1604, the limiting insert block 1605 is inserted in the limiting hole 1604, the right side wall of the limiting insert block 1605 is fixedly connected with the V-shaped discharging box 1601, the side wall and the bottom of the V-shaped discharging box 1601 are uniformly provided with the air hole 1602 for air flow, a drying agent for drying is filled in a groove of the V-shaped discharging box 1601, the left end of the V-shaped discharging box 1601 is attached to the inner wall of the jack 15 in a sliding connection mode, the diameter of the air hole 1602 is 0.5-1mm, the drying agent is placed in the V-shaped discharging box 1601 of the drying structure 16, the limiting insert block 1605 into the limiting hole 1604, the V-shaped discharging, v-arrangement blowing case 1601 has guaranteed the degree of dryness in the head casing 1 through the air moisture absorption processing of bleeder vent 1602 in to jack 15, avoids moist in the jack 15, increase of service life influences in-service use.
EXAMPLE III
Example three is a further modification to example 1.
As shown in fig. 2, 3, 8 and 9, the head housing 1 and the seat housing 2 are connected with a fixing structure 7 for reinforcing the head housing 1 and the seat housing 2, the fixing structure 7 includes a first mounting bolt 701, a first right-angle trapezoidal block 702, a square frame 703, a spring 704, a sliding rod 705, a second right-angle trapezoidal block 706, a right-angle triangular groove 707, a second mounting bolt 708, a straight block 709 and a U-shaped block 710, the left end of the first mounting bolt 701 is connected with the first right-angle trapezoidal block 702 through a threaded hole, the inner end of the first right-angle trapezoidal block 702 is connected with the threaded hole of the seat housing 2 through a thread, the top of the right end of the first mounting bolt 701 is provided with the right-angle triangular groove 707, the outer wall of the straight block 709 is connected with the second mounting bolt 708 through a threaded hole, the inner end of the second mounting bolt is connected with the threaded hole of the seat housing 2 through a thread, the top of the straight block 709 is fixedly connected with the U, the inner end of the U-shaped block 710 is in contact with the inner wall of the seat shell 2 in an attaching manner, the top of the U-shaped block 710 is fixedly connected with a spring 704, the top of the spring 704 is fixedly connected with a square frame 703, the bottom of the square frame 703 is fixedly connected with a slide bar 705, the bottom of the slide bar 705 penetrates through the spring 704 and the U-shaped block 710 and is fixedly connected with a second right-angled trapezoidal block 706, the restoring force of the spring 704 drives the second right-angled trapezoidal block 706 to be inserted into the straight triangular groove 707, the inclined edge of the first mounting bolt 701 is arranged towards the upper right, the inclined edge of the second right-angled trapezoidal block 706, the inclined edge of the straight triangular groove 707 and the inclined edge of the first mounting bolt 701 face towards the same direction, the straight plane of the second right-angled trapezoidal block 706 is in contact with the straight plane of the straight triangular groove 707 in an attaching manner, the inner wall of the mounting hole 10 is in contact with the outer wall, insert in jack 15 through inserted block 14, inserted block 14 passes through AB glue and first casing 1 sealing connection, inserted block 14 and first casing 1 sealing connection, fixed knot constructs 7's spring 704 and drives square frame 703 downstream simultaneously, square frame 703 drives slide bar 705 downstream, slide bar 705 drives second right angle trapezoidal piece 706 and inserts in straight triangular groove 707, second right angle trapezoidal piece 706 realizes fixing first construction bolt 701, first construction bolt 701 realizes consolidating seat casing 2 and first casing 1, rectangular electric connector stable in structure, can bear the harsh service environment such as stronger vibration, impact, especially be fit for being used for resisting the applicable occasion that the irradiation has special requirements.
When the drying agent drying device is used, the first inserting tube 3, the second inserting tube 4 and the third inserting tube 5 are installed in the installing hole of the first positioning plate 6, then the first positioning plate 6 is fixedly installed on the outer wall of the seat shell 2 through the third installing bolt 9, the first inserting tube 3, the second inserting tube 4 and the third inserting tube 5 are installed in the installing hole of the seat shell 2 and the inserting block 14, silicon rubber is filled in the installing hole of the first positioning plate 6, the seat shell 2 and the inserting block 14, then the limiting inserting block 1605 is inserted in the limiting hole 1604 in the V-shaped discharging box 1601 of the drying agent drying structure 16, and the V-shaped discharging box 1601 absorbs moisture of air in the inserting hole 15 through the air holes 1602, so that the dryness in the head shell 1 is ensured, the moisture in the inserting hole 15 is avoided, the service life is prolonged, and the actual use is influenced; installing a first pin 11, a second pin 12 and a third pin 13 in a mounting hole of a second positioning plate 8, then fixedly installing the second positioning plate 8 on the outer wall of the head shell 1 through a third mounting bolt 9, then installing the first pin 11, the second pin 12 and the third pin 13 in the mounting hole of the head shell 1, and filling silicon rubber in the mounting hole of the head shell 1; inserting the plug block 14 into the jack 15, inserting the top of the first inserting pin 11 into the top of the first inserting tube 3, inserting the top of the second inserting pin 12 into the top of the second inserting tube 4, inserting the third inserting pin 13 into the top of the third inserting tube 5, filling AB glue between the head shell 1 and the plug block 14, hermetically connecting the plug block 14 and the head shell 1, when the plug block 14 is inserted into the jack 15, driving the first right-angle trapezoidal block 702 to push the second right-angle trapezoidal block 706 to move upwards by the seat shell 2, driving the square frame 703 to move downwards by the spring 704 after the straight triangular groove 707 moves to be under the second right-angle trapezoidal block 706, driving the slide rod 705 to move downwards by the square frame 703, driving the second right-angle trapezoidal block 706 to be inserted into the straight triangular groove 707, realizing the braking of the first mounting bolt 701 by the second mounting bolt 701, realizing the fixing of the seat shell 2 by the first mounting bolt 701, realizing the fixed mounting of the seat shell 2 on the outer side of the head shell 1, second right angle trapezoidal piece 706 realizes fixing first construction bolt 701, and first construction bolt 701 realizes consolidating seat casing 2 and head casing 1, and rectangle electric connector stable in structure can tolerate harsh service environment such as stronger vibration, impact, is particularly suitable for being used for resisting the applicable occasion that the irradiation has special requirements.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims (10)
1. The utility model provides a wear-resisting rectangle electric connector of low irradiation which characterized in that: the low-irradiation wear-resistant rectangular electric connector comprises a head shell, a seat shell and an insertion block, wherein the head shell, the seat shell and the insertion block are all made of nylon materials, and the nylon materials comprise the following components in parts by weight: nylon 1060-90 parts, dicumyl peroxide 5.5-8.5 parts, dibutyl tin dilaurate 4.5-8.5 parts, phthalocyanine 2.3-3.5 parts, o-hydroxy benzophenone and tetra [ beta- (3, 5-di-tert-butyl-4-hydroxy phenyl) propionic acid ] pentaerythritol ester 6.2-9.8 parts.
2. The production process of the low-radiation wear-resistant rectangular electric connector according to claim 1, wherein the production process comprises the following steps: the production process comprises the following steps:
the method comprises the following steps: nylon 1060-90 parts, dicumyl peroxide 5.5-8.5 parts, dibutyltin dilaurate 4.5-8.5 parts, phthalocyanine 2.3-3.5 parts, o-hydroxybenzophenone and tetra [ beta- (3, 5-di-tert-butyl-4-hydroxyphenyl) propionic acid ] pentaerythritol ester are blended according to the proportion, the blending temperature is 160-220 ℃, and the temperature is controlled at 280-300 ℃ and a homodromous double-screw extruder is used for melt extrusion granulation;
step two: placing the product obtained in the step one in a high-energy ray area for irradiation treatment, then standing for more than 1h in an environment of 60-80 ℃, then placing the material in a double-screw extruder, injecting the material into a corresponding die by the double-screw extruder for molding, and cooling at normal temperature and demolding to obtain a head shell and a base shell;
and step three, processing the head shell and the seat shell according to the actual production specification requirements, correspondingly assembling other components, and assembling to obtain the low-irradiation wear-resistant rectangular electric connector.
3. The production process of claim 2, wherein the obtained low-radiation wear-resistant rectangular electrical connector is characterized in that: the connector comprises a head shell (1), wherein a second positioning plate (8) is connected to the right side wall of the head shell (1), third contact pins (13) are symmetrically and fixedly installed at the middle ends of the transverse parts of the second positioning plate (8), second contact pins (12) are fixedly installed on the outer sides of the third contact pins (13) of the second positioning plate (8), first contact pins (11) are fixedly connected to the outer walls of the second contact pins (12) of the second positioning plate (8), the tops of the first contact pins (11), the second contact pins (12) and the third contact pins (13) are bent by 90 degrees and then fixedly installed in transverse holes of the head shell (1), and a jack (15) is formed in the left end of the head shell (1);
the left end of the head shell (1) is connected with a seat shell (2), the right side wall of the seat shell (2) is in fit contact with the left side wall of the head shell (1), an insertion block (14) is fixedly connected to the inner wall of the seat shell (2), the outer wall of the insertion block (14) is in fit sliding connection with the inner wall of the insertion hole (15), the left side wall of the seat shell (2) is connected with a first positioning plate (6), a third insertion pipe (5) is symmetrically and fixedly installed at the middle end of the first positioning plate (6), a second insertion pipe (4) is fixedly connected to the outer side of the third insertion pipe (5) through the first positioning plate (6), the first insertion pipe (3) is fixedly connected to the outer side wall of the second insertion pipe (4), and the tops of the first insertion pipe (3), the second insertion pipe (4) and the third insertion pipe (5) are bent by 90 degrees and then fixedly installed in the transverse holes of the seat shell (2) and the insertion block (14), the top of the first insertion tube (3) is connected with the top of the first insertion pin (11) in an inserted mode, the top of the second insertion tube (4) is connected with the top of the second insertion pin (12) in an inserted mode, and the top of the third insertion tube (5) is connected with the top of the third insertion pin (13) in an inserted mode;
the first positioning plate (6) and the second positioning plate (8) are both in threaded connection with a third mounting bolt (9), and the inner end shell (1) of the third mounting bolt (9) is in threaded connection with the seat shell (2);
the inner wall of the plug block (14) is connected with a drying structure (16) for air drying, the drying structure (16) comprises a V-shaped material discharging box (1601), air holes (1602), a transverse groove (1603), a limiting hole (1604) and a limiting plug block (1605), the transverse groove (1603) is arranged at the left end of the plug block (14), the left inner wall of the transverse groove (1603) is provided with a limiting hole (1604), the limiting hole (1605) is inserted in the limiting hole (1604), the right side wall of the limiting plug block (1605) is fixedly connected with the V-shaped material discharging box (1601), the side wall and the bottom of the V-shaped material discharging box (1601) are uniformly used for air flowing through the air holes (1602), and a drying agent for drying is filled in a groove of the V-shaped material discharging box (1601);
the head shell (1) and the seat shell (2) are connected with a fixing structure (7) for reinforcing the head shell (1) and the seat shell (2), the fixing structure (7) comprises a first mounting bolt (701), a first right-angle trapezoidal block (702), a square frame (703), a spring (704), a sliding rod (705), a second right-angle trapezoidal block (706), a right-angle triangular groove (707), a second mounting bolt (708), a straight block (709) and a U-shaped block (710), the left end of the first mounting bolt (701) is in threaded connection with the first right-angle trapezoidal block (702) through a threaded hole, the inner end of the first right-angle trapezoidal block (702) is in threaded connection with the threaded hole formed in the seat shell (2), the top of the right end of the first mounting bolt (701) is provided with the right-angle triangular groove (707), the outer wall of the straight block (709) is in threaded connection with the second mounting bolt (708) through the threaded hole formed, the threaded connection of the threaded hole that interior end and seat casing (2) of second mounting bolt (708) were seted up, the top fixedly connected with U-shaped piece (710) of straight piece (709), and the interior end of U-shaped piece (710) and the inner wall laminating contact of seat casing (2), the top fixedly connected with spring (704) of U-shaped piece (710), the top fixedly connected with square frame (703) of spring (704), the bottom fixedly connected with slide bar (705) of square frame (703), spring (704) and U-shaped piece (710) back fixedly connected with second right angle trapezoidal piece (706) are run through to the bottom of slide bar (705), the restoring force of spring (704) drives second right angle trapezoidal piece (706) and inserts in straight triangular groove (707), the slope limit of first mounting bolt (701) sets up to the upper right side, the second right angle trapezoidal piece (706) of second right angle trapezoidal piece (706), The directions of the inclined edges of the straight triangular groove (707) and the inclined edges of the first mounting bolt (701) are consistent, and the straight plane of the second right-angle trapezoidal block (706) is in fit contact with the straight plane of the straight triangular groove (707).
4. A low-profile, wear-resistant, rectangular electrical connector as defined in claim 3, wherein: the side wall of the jack (15) is fixedly connected with the tops of the first pin (11), the second pin (12) and the third pin (13) through a fixedly connected mounting ring.
5. A low-profile, wear-resistant, rectangular electrical connector as defined in claim 3, wherein: the upright positions of the second positioning plate (8) and the first positioning plate (6) are uniformly provided with mounting holes (10), and the third mounting bolt (9) rotates in the mounting holes (10).
6. A low-profile, wear-resistant, rectangular electrical connector as defined in claim 3, wherein: the insert block (14) is connected with the head shell (1) in a sealing mode through AB glue.
7. A low-profile, wear-resistant, rectangular electrical connector as defined in claim 3, wherein: the left end of the V-shaped material discharging box (1601) is connected with the inner wall of the insertion hole (15) in a sliding mode in an attaching mode.
8. The low-radiation abrasion-resistant rectangular electrical connector of claim 5, wherein: the diameter of the air holes (1602) is 0.5-1 mm.
9. The low-radiation abrasion-resistant rectangular electrical connector of claim 6, wherein: the inner wall of the mounting hole (10) is attached to the outer wall of the first mounting bolt (701) in a sliding mode.
10. The low-profile, wear-resistant, rectangular electrical connector of claim 7, wherein: the spring (704) is in a compressed state when the second right-angle trapezoidal block (706) is in contact with the straight triangular groove (707).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110169410.9A CN112812553A (en) | 2021-02-07 | 2021-02-07 | Low-irradiation wear-resistant rectangular electric connector and production process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110169410.9A CN112812553A (en) | 2021-02-07 | 2021-02-07 | Low-irradiation wear-resistant rectangular electric connector and production process thereof |
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| CN112812553A true CN112812553A (en) | 2021-05-18 |
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| CN202110169410.9A Pending CN112812553A (en) | 2021-02-07 | 2021-02-07 | Low-irradiation wear-resistant rectangular electric connector and production process thereof |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204130744U (en) * | 2014-08-22 | 2015-01-28 | 沈阳兴华航空电器有限责任公司 | A kind of rectangular electric connector of high-speed transfer |
| CN104710773A (en) * | 2015-02-11 | 2015-06-17 | 铜陵向尚电气有限公司 | Cold-resistant nylon material for electric connector |
-
2021
- 2021-02-07 CN CN202110169410.9A patent/CN112812553A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204130744U (en) * | 2014-08-22 | 2015-01-28 | 沈阳兴华航空电器有限责任公司 | A kind of rectangular electric connector of high-speed transfer |
| CN104710773A (en) * | 2015-02-11 | 2015-06-17 | 铜陵向尚电气有限公司 | Cold-resistant nylon material for electric connector |
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