CN104344378A - Explosion-proof connector - Google Patents
Explosion-proof connector Download PDFInfo
- Publication number
- CN104344378A CN104344378A CN201310335387.1A CN201310335387A CN104344378A CN 104344378 A CN104344378 A CN 104344378A CN 201310335387 A CN201310335387 A CN 201310335387A CN 104344378 A CN104344378 A CN 104344378A
- Authority
- CN
- China
- Prior art keywords
- flame proof
- explosion
- nappe
- conducting strip
- insulator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/06—Arrangement of electric circuit elements in or on lighting devices the elements being coupling devices, e.g. connectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V25/00—Safety devices structurally associated with lighting devices
- F21V25/12—Flameproof or explosion-proof arrangements
Abstract
The invention discloses an explosion-proof connector which is used for an explosion-proof lamp. The explosion-proof connector comprises an adapting piece, an insulator and two conducting plates, wherein the adapting piece serves as a cylindrical structure with an injection molding cavity, and comprises a connecting main body and a rotating part, which are connected together; the rotating part is arranged at the outer end of the connecting main body; the injection molding cavity is run through the connecting main body and the rotating part; an explosion-proof thread connected with a thread of a lamp housing is arranged on the outer wall of the connecting main body; the insulator is injected and molded in the injection molding cavity of the adapting piece; the two conducting plates are embedded in the insulator and spaced for a certain distance; two ends of the conducting plates stretch out from the insulator. The explosion-proof thread is arranged on the outer wall of the adapting piece of the explosion-proof connector disclosed by the invention to directly realize flame proofing between an explosion-proof cavity and the external cavity; furthermore, the explosion-proof connector disclosed by the invention serves as the integrated structure, so that the explosion-proof effect is ideal, and the both ends of the conducting plates can be directly welded with a wire; the explosion-proof connector is not required to be provided with a dedicated wire holder, so that the explosion-proof connector is simple in structure.
Description
Technical field
The present invention relates to a kind of technical field of lamps, particularly relate to a kind of flame proof joint.
Background technology
Explosion-proof lamp refers to the hazardous area existed for imflammable gas or dust, can prevent the issuable electric arc of lamp interior, spark and high temperature to ignite imflammable gas in surrounding environment or dust, thus reach the light fixture of requirement of explosion proof.Explosion-proof lamp is divided into flame-proof type, INCREASEDSAFETY, intrinsic safety type, compound etc. by type of explosion proof construc tion.Existing explosion-proof lamp offers the pin interfaces connected with flame proof joint usually at lamp casing, this flame proof joint comprises the clamp nut suitable with this pin interfaces, cable joint-box is located at this clamp nut and is led to lamp casing outside from the explosion-proof chamber of explosion-proof lamp, filler is provided with between clamp nut and cable, screw clamp nut and can realize the explosion-proof of light fixture, above-mentioned flame proof joint flame proof effect is poor, and also need to arrange junction block in addition in above-mentioned flame proof joint, this junction block is used for stube cable and outer lead, make existing flame proof joint design complicated, bulky.
Summary of the invention
The object of the present invention is to provide a kind of flame proof ideal, the simple flame proof joint of structure.
In order to solve the problems of the technologies described above, the invention provides a kind of flame proof joint, for explosion-proof lamp, described flame proof joint comprises connector, insulator and two conducting strips, described connector is a cylinder-like structure with injection molding cavity, it comprises the connection main body and rotating part that are connected as one, described rotation portion is in the outer end of described connection main body, the through described connection main body of described injection molding cavity and described rotating part, the outer wall of described connection main body is provided with for the flame proof thread with lamp casing threaded engagement, the injection mo(u)lding in the injection molding cavity of described connector of described insulator, conducting strip described in two to be nested in described insulator and to be spaced a distance, the two ends of described conducting strip are stretched out from described insulator.
Wherein, described rotating part is extended radially outwardly by the outer end of described connection main body and is formed, and the edge of described rotating part has two gripper edges relatively be arranged in parallel.
Wherein, the two ends of described insulator stretch out towards the bearing of trend perpendicular to described connector and are formed with the first nappe and the second nappe respectively, described first nappe is covered on described rotating part, and edge shape and the described rotating part of described first nappe adapt, described second nappe is covered on the inner of described connector, and the edge shape of described second nappe and described the inner adapt.
Wherein, described first nappe has convexed to form the first insulation muscle along the bearing of trend of described connector, described first insulation muscle is described in two between conducting strip, and the height of described first insulation muscle is not less than the height of end apart from described first nappe of described conducting strip; Described second nappe has convexed to form the second insulation muscle along the bearing of trend of described connector, described second insulation muscle is described in two between conducting strip, and the height of described second insulation muscle is not less than the height of end apart from described second nappe of described conducting strip.
Wherein, the end of described rotating part radially offers the first antiskid groove in direction.
Wherein, the inwall of described connection main body is surrounded with some second antiskid grooves along its circumferencial direction, and some described second antiskid groove intervals are arranged.
Wherein, the two ends of described conducting strip are provided with connecting hole.
Wherein, described conducting strip is a rectangular laminated structure, and the side of described conducting strip is provided with anticreep groove, and described anticreep groove is arranged in described insulator.
Wherein, described insulator is formed by polyphenylene sulfide injection moulding.
Wherein, described conducting strip is made of copper, and described connector is made of aluminum or copper.
Flame proof joint provided by the invention, its beneficial aspects is, flame proof connector for joint outer wall of the present invention is provided with flame proof thread, directly realize the flame proof of explosion-proof chamber and external cavity, and flame proof joint of the present invention is integrated, and flame proof is satisfactory for result, the two ends of two conducting strips can directly and wire bonds, flame proof joint of the present invention need not arrange special junction block, and structure is simple.
Accompanying drawing explanation
In order to be illustrated more clearly in technical scheme of the present invention, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of flame proof joint preferred embodiment of the present invention;
Fig. 2 is the top view of the flame proof joint shown in Fig. 1;
Fig. 3 is the generalized section of the flame proof joint shown in Fig. 2 along III-III line;
Fig. 4 is the perspective view of connector in the flame proof joint shown in Fig. 1;
Fig. 5 is the perspective view of conducting strip in the flame proof joint shown in Fig. 1.
Detailed description of the invention
Below in conjunction with the accompanying drawing in embodiment of the present invention, the technical scheme in embodiment of the present invention is clearly and completely described.
Referring to figs. 1 through Fig. 5, the invention provides a kind of flame proof joint, for anti-explosion lamp, the explosion-proof chamber of light fixture and the electric connection of other exocoels can be realized, and the present invention is a kind of double lead flame proof joint, this explosion-proof lamp comprises connector 100, insulator 200 and two conducting strips 300, connector 100 is a cylinder-like structure with injection molding cavity 110, connector 100 comprises the connection main body 120 and rotating part 130 that are connected as one, rotating part 130 is positioned at the outer end connecting main body 120, the through connection main body 120 of injection molding cavity 110 and rotating part 130, the present invention does not limit the version of injection molding cavity 110, preferably, injection molding cavity 110 is a cylindrical cavity.The outer wall connecting main body 120 is provided with for the flame proof thread with lamp casing threaded engagement, when installing flame proof joint of the present invention at lamp casing, clamp the rotating part 130 of this connector 100 by external tool and then connection main body 120 screwed in the screwed hole of lamp casing.
Insulator 200 injection mo(u)lding in the injection molding cavity 110 of connector 100, two conducting strips 300 to be nested in insulator 200 and to be spaced a distance, and the two ends of conducting strip 300 are stretched out from described insulator 200.One end of conducting strip 300 is used for being electrically connected with the lamp holder in explosion-proof chamber, the other end is used for being electrically connected with the wire of exocoel, specifically, one end of conducting strip 300 and the wire of explosion-proof chamber are by soldering, and the other end of conducting strip 300 and the wire of exocoel also pass through soldering.Flame proof connector for joint 100 outer wall of the present invention is provided with flame proof thread, directly realize the flame proof of explosion-proof chamber and external cavity, and flame proof joint of the present invention is integrated, flame proof is satisfactory for result, the two ends of two conducting strips 300 can directly and wire bonds, flame proof joint of the present invention need not arrange special junction block, and structure is simple.
Further, rotating part 130 is extended radially outwardly by the outer end connecting main body 120 and is formed, the edge of rotating part 130 has two gripper edges relatively be arranged in parallel 131, gripper edge 131 is a straight line, the benefit arranging gripper edge 131 facilitates external tool to clamp this rotating part 130 and then screws in or screw out flame proof joint of the present invention, correspondingly, this external tool can be electricians' plier.Flame proof joint of the present invention does not limit the version of rotating part 130, such as can also in channel-shaped structures such as the end opens cross recess of rotating part 130, plum blossom groove, composite slots, and correspondingly, this external tool is the bottle opener suitable with above-mentioned channel-shaped structure.
Further, the two ends of insulator 200 stretch out towards the bearing of trend perpendicular to connector and are formed with the first nappe 210 and the second nappe 220 respectively, first nappe 210 is covered on rotating part 130, and edge shape and the rotating part 130 of the first nappe 210 adapt, second nappe 220 is covered on the inner of connector, and the edge shape of the second nappe 220 and described the inner adapt.First nappe 210 and the second nappe 220 further increase the tack between insulator 200 and connector 100, and the first nappe 210 and the second nappe 220 also improve the overhang insulation performance of connector 100.
Further, first nappe 210 has convexed to form the first insulation muscle 230 along the bearing of trend of connector 100, first insulation muscle 230 is between two conducting strips 300, and the height of the first insulation muscle 230 is not less than the height of end apart from the first nappe 210 of conducting strip 300; Second nappe 220 has convexed to form the second insulation muscle 240, second insulation muscle 240 between two conducting strips 300 along the bearing of trend of connector 100, and the height of the second insulation muscle 240 is not less than the height of end apart from the second nappe 220 of conducting strip 300.First insulation muscle 230 and second muscle 240 that insulate improves insulating properties between two conducting strips 300, and makes the electrical equipment gap between two conducting strips 300 and creep age distance meet national standard INCREASEDSAFETY explosion-proof criteria GB3836.3-2010 and intrinsic safety type explosion-proof criteria GB3836.4-2010.
Further, the end of rotating part 130 radially offers the first antiskid groove 132 in direction, and preferably, the rectangular in cross-section of the first antiskid groove 132, the first antiskid groove 132 effectively prevent relatively rotating between connector 100 and insulator 200.Be understandable that, the present invention does not limit quantity and the version of the first antiskid groove 132, such as, can be able to be triangular form at the cross sectional shape of first rotating gravure 132, first rotating gravure 132 of the end opens two of rotating part 130 in right-angled intersection yet.
Further, the inwall connecting main body 120 is surrounded with some second antiskid grooves 121 along its circumferencial direction, and preferably, the quantity of the second antiskid groove 121 is 5, the cross sectional shape of the second antiskid groove 121 is triangle, and some second antiskid grooves 121 are arranged at equal intervals.Second antiskid groove 121 effectively prevent the axial relative motion between connector 100 and insulator 200.Be understandable that, the present invention does not limit quantity and the version of the second antiskid groove 121.
Connection conveniently between conducting strip 300 and wire, the two ends of conducting strip 300 are provided with connecting hole 310.Usual conducting strip 300 is connected with adopting the mode of soldering between wire, and connecting hole 310 is as the accommodating cavity of scolding tin.
Further, conducting strip 300 is in a rectangular laminated structure, and the side of conducting strip 300 is provided with anticreep groove 320, and anticreep groove 320 is arranged in insulator 320.Anticreep groove 320 deviates from insulator 320 for preventing conducting strip 300.Be understandable that, the present invention does not limit quantity and the version of anticreep groove 320, and preferably, each side of conducting strip 300 arranges an anticreep groove 320, and in order to not reduce the structural strength of conducting strip 300, two anticreep grooves 320 are avoided being oppositely arranged.
The material of insulator 200 is special plastic, and preferably, the material of insulator 200 is polyphenylene sulfide (PPS, Polyphenylene sulfide), and conducting strip 300 is made of copper, and connector 100 is made of aluminum or copper.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. a flame proof joint, for explosion-proof lamp, it is characterized in that, described flame proof joint comprises connector, insulator and two conducting strips, described connector is a cylinder-like structure with injection molding cavity, it comprises the connection main body and rotating part that are connected as one, described rotation portion is in the outer end of described connection main body, the through described connection main body of described injection molding cavity and described rotating part, the outer wall of described connection main body is provided with for the flame proof thread with lamp casing threaded engagement, the injection mo(u)lding in the injection molding cavity of described connector of described insulator, conducting strip described in two to be nested in described insulator and to be spaced a distance, the two ends of described conducting strip are stretched out from described insulator.
2. flame proof joint according to claim 1, is characterized in that, described rotating part is extended radially outwardly by the outer end of described connection main body and formed, and the edge of described rotating part has two gripper edges relatively be arranged in parallel.
3. flame proof joint according to claim 2, it is characterized in that, the two ends of described insulator stretch out towards the bearing of trend perpendicular to described connector and are formed with the first nappe and the second nappe respectively, described first nappe is covered on described rotating part, and edge shape and the described rotating part of described first nappe adapt, described second nappe is covered on the inner of described connector, and the edge shape of described second nappe and described the inner adapt.
4. flame proof joint according to claim 3, it is characterized in that, described first nappe has convexed to form the first insulation muscle along the bearing of trend of described connector, described first insulation muscle is described in two between conducting strip, and the height of described first insulation muscle is not less than the height of end apart from described first nappe of described conducting strip; Described second nappe has convexed to form the second insulation muscle along the bearing of trend of described connector, described second insulation muscle is described in two between conducting strip, and the height of described second insulation muscle is not less than the height of end apart from described second nappe of described conducting strip.
5. flame proof joint according to claim 3, is characterized in that, the end of described rotating part radially offers the first antiskid groove in direction.
6. flame proof joint according to claim 3, is characterized in that, the inwall of described connection main body is surrounded with multiple second antiskid groove along its circumferencial direction, and multiple described second antiskid groove interval is arranged.
7. flame proof joint according to claim 1, is characterized in that, the two ends of described conducting strip are provided with connecting hole.
8. flame proof joint according to claim 1, is characterized in that, described conducting strip is a rectangular laminated structure, and the side of described conducting strip is provided with anticreep groove, and described anticreep groove is arranged in described insulator.
9. flame proof joint according to claim 1, is characterized in that, described insulator is formed by polyphenylene sulfide injection moulding.
10. flame proof joint according to claim 1, is characterized in that, described conducting strip is made of copper, and described connector is made of aluminum or copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310335387.1A CN104344378A (en) | 2013-08-02 | 2013-08-02 | Explosion-proof connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310335387.1A CN104344378A (en) | 2013-08-02 | 2013-08-02 | Explosion-proof connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104344378A true CN104344378A (en) | 2015-02-11 |
Family
ID=52500549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310335387.1A Pending CN104344378A (en) | 2013-08-02 | 2013-08-02 | Explosion-proof connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104344378A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113757627A (en) * | 2021-08-05 | 2021-12-07 | 冠奕达防爆电器有限公司 | Explosion-proof lamp and mounting method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201050761Y (en) * | 2007-06-15 | 2008-04-23 | 典丽照明(东莞)有限公司 | Lighting lamp for explosion resistance of engineering |
| CN101761902A (en) * | 2010-01-29 | 2010-06-30 | 海洋王照明科技股份有限公司 | Explosion protection lead wire connector and explosion protection lamp |
| CN201946941U (en) * | 2010-12-02 | 2011-08-24 | 深圳霸特尔防爆科技有限公司 | Clamping and introducing device of anti-explosion cable |
| CN202215850U (en) * | 2011-09-13 | 2012-05-09 | 攀钢集团冶金工程技术有限公司 | Explosion-proof wire exceeding assembly |
| CN102748722A (en) * | 2011-04-21 | 2012-10-24 | 海洋王照明科技股份有限公司 | Explosion-proof lamp and overcurrent insert device thereof |
-
2013
- 2013-08-02 CN CN201310335387.1A patent/CN104344378A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201050761Y (en) * | 2007-06-15 | 2008-04-23 | 典丽照明(东莞)有限公司 | Lighting lamp for explosion resistance of engineering |
| CN101761902A (en) * | 2010-01-29 | 2010-06-30 | 海洋王照明科技股份有限公司 | Explosion protection lead wire connector and explosion protection lamp |
| CN201946941U (en) * | 2010-12-02 | 2011-08-24 | 深圳霸特尔防爆科技有限公司 | Clamping and introducing device of anti-explosion cable |
| CN102748722A (en) * | 2011-04-21 | 2012-10-24 | 海洋王照明科技股份有限公司 | Explosion-proof lamp and overcurrent insert device thereof |
| CN202215850U (en) * | 2011-09-13 | 2012-05-09 | 攀钢集团冶金工程技术有限公司 | Explosion-proof wire exceeding assembly |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113757627A (en) * | 2021-08-05 | 2021-12-07 | 冠奕达防爆电器有限公司 | Explosion-proof lamp and mounting method |
| CN113757627B (en) * | 2021-08-05 | 2023-10-03 | 冠奕达防爆电器有限公司 | Explosion-proof lamp and installation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203377391U (en) | Cable clamp with insulating shell | |
| CN104158027B (en) | High pressure belt shield electric-connector socket | |
| CN103053079A (en) | Terminal connection structure | |
| CN201937383U (en) | Integral sealed terminal box | |
| US11962109B2 (en) | Module connector | |
| CN204315736U (en) | LED Ceiling light quick-connect terminal | |
| CN106450475A (en) | Secondary battery and battery module | |
| CN203553393U (en) | Electric automobile cabinet power terminal | |
| CN104344378A (en) | Explosion-proof connector | |
| EP2803114B1 (en) | Connector, electronic device and illuminating device having the connector | |
| CN102568781B (en) | Transformer low-voltage side outgoing line-leading device | |
| CN214958636U (en) | Insulation protection device for live wire | |
| CN213213019U (en) | Explosion-proof terminal box convenient to wiring | |
| CN104347271A (en) | Film capacitor | |
| US20180100625A1 (en) | Led light bulb and fabrication method thereof | |
| CN209913172U (en) | Connector and heating system | |
| CN104033859B (en) | Explosion-proof lamp and its flame proof joint design | |
| CN203248487U (en) | Injection molding screw with limited torque | |
| CN205609828U (en) | Angle connector | |
| CN105428952A (en) | Slide wire rail with built-in copper conductors and motion power supply system for cigarette storage cabinet | |
| CN204857771U (en) | LED light source of anti high pressure ability reinforce | |
| CN104515077A (en) | Lamp | |
| CN219626997U (en) | Wiring structure of energy storage connector | |
| CN212517802U (en) | Plastic terminal with wiring board for automobile starting | |
| CN204030141U (en) | High pressure belt shield electric-connector socket |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination |