CN111355105B - Grounding piston ring, mining explosion-proof high-voltage cable connector and forming device - Google Patents
Grounding piston ring, mining explosion-proof high-voltage cable connector and forming device Download PDFInfo
- Publication number
- CN111355105B CN111355105B CN202010194669.4A CN202010194669A CN111355105B CN 111355105 B CN111355105 B CN 111355105B CN 202010194669 A CN202010194669 A CN 202010194669A CN 111355105 B CN111355105 B CN 111355105B
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- China
- Prior art keywords
- piston ring
- sheave
- bearing seat
- driving
- seat plate
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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
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
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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
- H01R13/533—Bases, cases made for use in extreme conditions, e.g. high temperature, radiation, vibration, corrosive environment, pressure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
-
- 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
- H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
Abstract
The invention provides a grounding piston ring, a mining explosion-proof high-voltage cable connector and a forming device. The grounding piston ring is embedded into the annular groove in the inner wall of the connector socket sleeve, the connector plug sleeve penetrates through the grounding piston ring, the tooth crest of the grounding piston ring is in full contact conduction with the inner wall of the annular groove of the socket sleeve, the inner surface of the tooth root of the grounding piston ring is in full contact conduction with the plug sleeve, the grounding piston ring is a gear-shaped thin-wall body, the elastic performance of the grounding piston ring is good, the periphery of the grounding piston ring can be uniformly stressed, the conduction performance between the connector plug sleeve and the socket sleeve is effectively guaranteed, the grounding of the plug sleeve is achieved simultaneously after the socket sleeve is grounded, and the explosion-proof performance.
Description
Technical Field
The invention relates to the technical field of connectors, in particular to a grounding piston ring, a mining explosion-proof high-voltage cable connector and a forming device.
Background
The mining explosion-proof high-voltage cable connector is suitable for inflammable and explosive environments and is used for connecting cables at two ends and connecting the cables with electrical equipment. In order to improve the explosion-proof performance, the plug sleeve of the connector and the socket sleeve of the connector need to be electrically conducted, and after the socket sleeve is grounded, the plug sleeve is grounded. However, the existing connector is realized through micro interference fit between the plug sleeve and the socket sleeve, and after the plug sleeve and the socket sleeve are plugged for many times, the electrical conductivity between the plug sleeve and the socket sleeve is reduced, so that the explosion-proof performance is reduced. Therefore, there is a need for a ground ring that can be fully contacted and conducted with the plug sleeve and the receptacle sleeve simultaneously, and can maintain the conducting performance after being inserted and pulled out for many times.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a grounding piston ring, a mining explosion-proof high-voltage cable connector and a forming device.
In order to achieve the purpose, the technical scheme adopted by the invention for solving the technical problems is as follows: a ground-connected piston ring comprises an annular thin-wall body, and the outline of the annular thin-wall body is in a gear shape on a cross section perpendicular to the axis of the annular thin-wall body.
By adopting the technical scheme of the invention, the grounding piston ring is embedded into the annular groove on the inner wall of the connector socket sleeve, the connector plug sleeve penetrates through the grounding piston ring, the tooth crest of the grounding piston ring is in full contact conduction with the inner wall of the annular groove of the socket sleeve, and the inner surface of the tooth root of the grounding piston ring is in full contact conduction with the plug sleeve.
Further, the tooth root thin wall of the gear-like profile of the annular thin-walled body has bent portions that are turned radially outward at both ends in the width direction.
By adopting the preferable scheme, the edge part of the inner ring of the grounding piston ring is in an outwards-expanding state, so that the plug sleeve can be conveniently inserted.
Furthermore, the annular thin wall body is made of phosphor bronze, and the wall thickness is 0.15-0.4 mm.
Adopt above-mentioned preferred scheme, promote the electric conductivity performance, can keep suitable deformability, convenient equipment can possess good elasticity restoring power again, guarantees to insert and pull out the back many times and still keeps good electric conductivity performance.
The utility model provides a mining flame-proof type high-voltage cable connector, includes plug subassembly, socket subassembly and foretell ground connection piston ring, plug subassembly's plug sleeve outer wall has outer flame proof face, socket subassembly's socket sleeve inner wall have with the outer flame proof face of plug sleeve matched with inner flame proof face, ground connection piston ring inlays in the annular on the flame proof face in the socket sleeve, ground connection piston ring's tooth top surface with the contact of the interior perisporium of socket sleeve annular, ground connection piston ring's tooth root internal surface with the contact of plug sleeve's outer flame proof face.
By adopting the technical scheme, the grounding piston ring effectively ensures the conduction performance between the connector plug sleeve and the socket sleeve, and after the socket sleeve is grounded, the grounding of the plug sleeve is realized, so that the explosion-proof performance is improved.
A molding apparatus comprising:
a base;
a left bearing seat plate vertically mounted on the base;
a right bearing seat plate; the left bearing seat plate and the right bearing seat plate are arranged on the base in parallel;
two ends of the driving gear grooved wheel are respectively arranged on the left bearing seat plate and the right bearing seat plate through bearings;
two ends of the driven gear sheave are respectively arranged on the left bearing seat plate and the right bearing seat plate through bearings, the shapes of teeth on the driving gear sheave and the driven gear sheave are consistent with the shape of the grounding piston ring, and teeth on the driving gear sheave are meshed with teeth on the driven gear sheave;
the positioning supporting plate is arranged on the feeding side of the contact position of the driving grooved gear and the driven grooved gear and used for guiding the thin-wall material belt;
and the driving mechanism is used for driving the driving gear sheave to rotate.
By adopting the technical scheme, the driving mechanism drives the driving gear grooved wheel and the driven gear grooved wheel to synchronously rotate, the thin-wall material belt enters between the driving gear grooved wheel and the driven gear grooved wheel along the positioning supporting plate, and the meshed teeth press the thin-wall material belt into a toothed shape. And finally, welding the toothed material belt end to form the grounding piston ring. High production efficiency and stable forming.
Furthermore, two side surfaces of the driven toothed sheave are respectively provided with a left guard plate and a right guard plate, the outer circumferential surfaces of the left guard plate and the right guard plate are higher than or equal to the addendum surface of the driving toothed sheave, and the distance between the left guard plate and the right guard plate is slightly larger than the tooth width of the driving toothed sheave.
By adopting the preferable scheme, the two side positions of the thin-wall material belt are ensured to be kept stable in the extrusion forming process, and the appearance stability of the grounding piston ring is improved.
Furthermore, outer arc chamfers are arranged at two axial end parts of the tooth crest of the driving gear sheave, an inner arc chamfer is arranged at the junction of the tooth root of the driven gear sheave and the left guard plate and the right guard plate, and the outer arc chamfers are matched with the inner arc chamfers.
By adopting the preferable scheme, the two ends of the tooth root part can be pressed into the bending parts which are tilted outwards along the radial direction, so that the insertion of the connector plug sleeve is facilitated.
Furthermore, a guide groove matched with the thin-wall material belt is arranged on the positioning supporting plate.
By adopting the preferable scheme, the position precision of the thin-wall material belt is improved.
Further, the driving mechanism is an electric motor, the electric motor is installed on a motor seat plate on the base, and an output shaft of the electric motor is connected with a shaft body at the end part of the driving gear sheave.
Adopt above-mentioned preferred scheme, simple structure, production efficiency is high.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of a ground coupling of the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a schematic structural diagram of a mining flameproof high-voltage cable connector according to the present invention;
FIG. 4 is a cross-sectional view of the mining flameproof high-voltage cable connector of the present invention;
FIG. 5 is a schematic view of the structure of the molding apparatus of the present invention;
fig. 6 is a left side view of fig. 5.
Names of corresponding parts represented by numerals and letters in the drawings:
10-a grounded piston ring; 100-ring-shaped thin-walled body; 101-the outer surface of the tooth crest; 102-root inner surface; 103-a bend; 21-a plug assembly; 211-plug sleeve; 212-outer flameproof surface; 22-a receptacle assembly; 221-a socket sleeve; 222-inner explosion isolation surface; 30-a base; 31-left bearing seat plate; 32-right bearing block plate; 33-driving gear grooved wheel; 34-a passive toothed wheel; 35-positioning a supporting plate; 351-a guide groove; 36-left guard plate; 37-right guard plate; 38-motor seat plate; 39-motor.
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.
As shown in fig. 1 and 2, the ground-connected piston ring includes an annular thin-wall body 100, and the annular thin-wall body 100 is shaped like a gear in a cross section perpendicular to the axis of the annular thin-wall body 100.
The beneficial effect of adopting above-mentioned technical scheme is: as shown in fig. 4, the grounding piston ring 10 is embedded into the annular groove on the inner wall of the connector socket sleeve 221, the connector plug sleeve 211 penetrates through the grounding piston ring 10, the outer surface 101 of the tooth top of the grounding piston ring 10 is in full contact with the inner wall of the annular groove of the socket sleeve 221, and the inner surface 102 of the tooth root of the grounding piston ring is in full contact with the plug sleeve 211.
In other embodiments of the present invention, as shown in fig. 2, the thin wall of the tooth root of the gear-like profile of the annular thin-walled body 100 has bent portions 103 that are turned radially outward at both ends in the width direction. The beneficial effect of adopting above-mentioned technical scheme is: the edge of the inner ring of the grounding piston ring is in an outwards-expanding state, so that the plug sleeve can be conveniently inserted.
In other embodiments of the present invention, the annular thin wall body 100 is made of phosphor bronze and has a wall thickness of 0.15-0.4 mm. The beneficial effect of adopting above-mentioned technical scheme is: promote the electric conduction performance, can keep suitable deformability, convenient equipment can possess good elasticity restoring power again, ensures to insert and pull out the back many times and still keeps good electric conduction performance.
As shown in fig. 3 and 4, the mining explosion-proof high-voltage cable connector comprises a plug assembly 21, a socket assembly 22 and a grounding piston ring 10, wherein an outer explosion-proof surface 212 is arranged on the outer wall of a plug sleeve 211 of the plug assembly 21, an inner explosion-proof surface 222 matched with the outer explosion-proof surface 212 of the plug sleeve is arranged on the inner wall of a socket sleeve 221 of the socket assembly 22, the grounding piston ring 10 is embedded in a ring groove on the inner explosion-proof surface 222 of the socket sleeve, a tooth top outer surface 101 of the grounding piston ring 10 is in contact with an inner circumferential wall of the ring groove of the socket sleeve 221, and a tooth root inner surface 102 of the grounding piston ring 10 is in contact with the outer explosion. The beneficial effect of adopting above-mentioned technical scheme is: the grounding piston ring effectively ensures the conduction performance between the plug sleeve and the socket sleeve of the connector, and after the socket sleeve is grounded, the grounding of the plug sleeve is realized, so that the explosion-proof performance is improved.
As shown in fig. 5 and 6, a molding apparatus includes:
a base 30;
a left bearing seat plate 31 vertically mounted on the base 30;
a right bearing seat plate 32; which is arranged on the base 30 in parallel with the left bearing seat plate 31;
two ends of the driving gear sheave 33 are respectively arranged on the left bearing seat plate 31 and the right bearing seat plate 32 through bearings;
two ends of the driven gear sheave 34 are respectively arranged on the left bearing seat plate and the right bearing seat plate 31 and 32 through bearings, the shapes of teeth on the driving gear sheave 33 and the driven gear sheave 34 are consistent with the shape of the grounding piston ring 10, and teeth on the driving gear sheave 33 are meshed with teeth on the driven gear sheave 34;
the positioning supporting plate 35 is arranged on the feeding side of the contact position of the driving toothed wheel 33 and the driven toothed wheel 34 and used for guiding the thin-wall material belt;
a drive mechanism for driving the driving tooth sheave 33 to rotate.
The beneficial effect of adopting above-mentioned technical scheme is: the driving mechanism drives the driving gear grooved wheel and the driven gear grooved wheel to synchronously rotate, the thin-wall material belt enters between the driving gear grooved wheel and the driven gear grooved wheel along the positioning supporting plate, and the meshed teeth press the thin-wall material belt into a toothed shape. And finally, welding the toothed material belt end to form the grounding piston ring. High production efficiency and stable forming.
As shown in fig. 5, in other embodiments of the present invention, the passive toothed sheave 34 has a left guard plate 36 and a right guard plate 37 on both sides thereof, the outer circumferential surfaces of the left guard plate 36 and the right guard plate 37 are higher than or equal to the tooth crest of the driving toothed sheave 33, and the distance between the left guard plate 36 and the right guard plate 37 is slightly larger than the tooth width of the driving toothed sheave 33. The beneficial effect of adopting above-mentioned technical scheme is: the positions of two side edges of the thin-wall material belt are kept stable in the extrusion forming process, and the appearance stability of the grounding piston ring is improved.
In other embodiments of the present invention, the driving gear sheave 33 is provided with outer arc chamfers at both axial ends of the tooth crest thereof, and the driven gear sheave 34 is provided with inner arc chamfers at the junctions of the tooth root thereof with the left guard plate 36 and the right guard plate 37, the outer arc chamfers matching the inner arc chamfers. The beneficial effect of adopting above-mentioned technical scheme is: the two ends of the tooth root part can be pressed into the bending parts which are tilted outwards along the radial direction, so that the insertion of the connector plug sleeve is facilitated.
In other embodiments of the present invention, as shown in fig. 6, the positioning plate 35 is provided with a guiding groove 351 matching with the thin-walled material strip. The beneficial effect of adopting above-mentioned technical scheme is: the position precision of the thin-wall material belt is improved.
In other embodiments of the present invention, as shown in fig. 5, the driving mechanism is an electric motor 39, the electric motor 39 is mounted on a motor base plate 38 of the base 30, and an output shaft of the electric motor 39 is shaft-connected to an end portion of the driving gear sheave 33. The beneficial effect of adopting above-mentioned technical scheme is: simple structure and high production efficiency.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the scope of the present invention.
Claims (5)
1. A molding device for molding a ground-coupling boss, the ground-coupling boss including an annular thin-walled body, a contour of the annular thin-walled body being shaped like a gear in a cross section perpendicular to an axis of the annular thin-walled body, the molding device comprising:
a base;
a left bearing seat plate vertically mounted on the base;
a right bearing seat plate; the left bearing seat plate and the right bearing seat plate are arranged on the base in parallel;
two ends of the driving gear grooved wheel are respectively arranged on the left bearing seat plate and the right bearing seat plate through bearings;
two ends of the driven gear sheave are respectively arranged on the left bearing seat plate and the right bearing seat plate through bearings, the shapes of teeth on the driving gear sheave and the driven gear sheave are consistent with the shape of the grounding piston ring, and teeth on the driving gear sheave are meshed with teeth on the driven gear sheave;
the positioning supporting plate is arranged on the feeding side of the contact position of the driving grooved gear and the driven grooved gear and used for guiding the thin-wall material belt;
and the driving mechanism is used for driving the driving gear sheave to rotate.
2. The molding apparatus as claimed in claim 1, wherein the driven gear sheave has a left guard plate on one side and a right guard plate on the other side, the outer circumferential surfaces of the left and right guard plates are lower than or equal to the tooth top surface of the driving gear sheave, and the distance between the left and right guard plates is slightly larger than the tooth width of the driving gear sheave.
3. The molding apparatus as claimed in claim 2, wherein outer arc chamfers are provided at both axial end portions of the tooth crest of the driving gear sheave, and an inner arc chamfer is provided at a junction of the tooth root of the driven gear sheave and the left and right guard plates, the outer arc chamfer matching the inner arc chamfer.
4. The molding apparatus as defined in claim 1, wherein the positioning support plate is provided with a guide groove matching with the thin-walled material belt.
5. The molding apparatus as defined in claim 1, wherein the driving mechanism is an electric motor mounted on a motor base plate on the base, an output shaft of the electric motor being shaft-connected to the driving-gear sheave end portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010194669.4A CN111355105B (en) | 2020-03-19 | 2020-03-19 | Grounding piston ring, mining explosion-proof high-voltage cable connector and forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010194669.4A CN111355105B (en) | 2020-03-19 | 2020-03-19 | Grounding piston ring, mining explosion-proof high-voltage cable connector and forming device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111355105A CN111355105A (en) | 2020-06-30 |
| CN111355105B true CN111355105B (en) | 2021-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010194669.4A Active CN111355105B (en) | 2020-03-19 | 2020-03-19 | Grounding piston ring, mining explosion-proof high-voltage cable connector and forming device |
Country Status (1)
| Country | Link |
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| CN (1) | CN111355105B (en) |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2409622Y (en) * | 1999-12-07 | 2000-12-06 | 富士康(昆山)电脑接插件有限公司 | Cable connector |
| CN201066748Y (en) * | 2007-06-22 | 2008-05-28 | 西安科耐特科技有限责任公司 | Quick plug RF coaxial connector |
| DE102014210254B3 (en) * | 2014-05-28 | 2015-11-19 | Itt Manufacturing Enterprises Llc | Spring wreath for shielding electrical connectors |
| FR3038459B1 (en) * | 2015-07-03 | 2017-08-25 | Souriau | ELECTRICAL CONNECTOR WITH ELECTROMAGNETIC SHIELD |
| CN106129711B (en) * | 2016-03-31 | 2019-06-07 | 中航光电科技股份有限公司 | Flame proof electric connector |
| CN206163807U (en) * | 2016-10-20 | 2017-05-10 | 唐兴然 | High voltage connector seal assembly and high voltage connector |
| CN206388953U (en) * | 2016-12-12 | 2017-08-08 | 深圳龙友科技股份有限公司 | High-tension connector |
| CN209029621U (en) * | 2018-11-02 | 2019-06-25 | 合兴汽车电子股份有限公司 | A kind of shielding part of high-tension connector and high-tension connector with the shielding part |
-
2020
- 2020-03-19 CN CN202010194669.4A patent/CN111355105B/en active Active
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| CN111355105A (en) | 2020-06-30 |
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