CN203377426U - Anti-explosion pin - Google Patents
Anti-explosion pin Download PDFInfo
- Publication number
- CN203377426U CN203377426U CN201320466194.5U CN201320466194U CN203377426U CN 203377426 U CN203377426 U CN 203377426U CN 201320466194 U CN201320466194 U CN 201320466194U CN 203377426 U CN203377426 U CN 203377426U
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- explosion
- plug
- junction block
- middle casing
- casing
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Abstract
The utility model discloses an anti-explosion pin, which is simple and compact in structure, fewer in component and high in stability, and can enable connected anti-explosion electrical equipment to receive ground protection effectively. The anti-explosion pin comprises a socket part and a plug part, wherein the plug part comprises a plug shell and a plug core, and the plug core is located in the plug shell; and the socket part comprises a middle shell, a lower shell, a first wire holder, a second wire holder and a jack assembly. The anti-explosion pin disclosed by the utility model overcome a problem that an existing anti-explosion pin can not install a 5-core cable and is large in size. The anti-explosion pin disclosed by the utility model not only can install the 5-core cable, but also can be applied to a 4-core cable and a 3-core cable. The anti-explosion pin is smaller in size, and more compact and more stable in structure. Compared with an anti-explosion pin in the prior art, the height of the anti-explosion pin is reduced by 5mm, and the diameter is reduced by 15mm, thereby being more convenient to install.
Description
Technical field
The utility model relates to a kind of anti-explosion connection device, relates in particular to a kind of explosion-proof latch.
Background technology
Explosion-proof latch is comprised of plug and socket two parts, shell forms with cast aluminium alloy die casting, socket is connected in mains side, plug is connected in the electric equipment side, and there is quick diverter switch socket inside, and realizes interlocking with plug, when outwarding winding plug, interlocking device can disconnect quick diverter switch before socket and plug separates, just not charged when plug separates like this, also just can not bad student's arcing and dangerous spark.Between explosion-proof latch and socket, coupling part is explosion-proof, the inner explosion time that produces of latch, and flame extinguishes during by explosion-proof, can not ignite outside gas, plays explosion-proof, for example CN102222849B, CN202444106U.
The fuse of the explosion-proof latch of AC-16A of the prior art the inside, as shown in Figure 1, 2, only has the 3P+N fuse, connect three power lines and the neutral line, and there is no ground connection fuse PE, can't connect protective earth, and now a lot of explosion-proof electric apparatuses for safety all with earth connection PE, thereby can not cause danger by explosion-proof latch effective grounding.
The utility model content
The technical problems to be solved in the utility model is to provide a kind of simple and compact for structure, and parts are few, and stability is high, and the explosion-proof electric apparatus that can make its connection is the explosion-proof latch of ground protection effectively.
For addressing the above problem, a kind of explosion-proof latch of the present utility model, comprise socket part and plug portion, and described plug portion comprises plug casing and plug fuse, and this plug fuse is positioned at plug casing; Described socket part comprises middle casing, lower house, the first junction block, the second junction block and plugging hole component, and wherein the first junction block and the second junction block are arranged in middle casing, and middle casing is plugged in lower house; Described plug core attached bag is drawn together metal guide pillar and guide pillar mounting bracket, and described metal guide pillar is five, is evenly distributed on the guide pillar mounting bracket; Described plugging hole component is provided with five jacks that match with described five metal guide pillars, and the metallic conductor in each jack is connected with a conduction touch panel that is positioned at the jack below; One intermediate mass is positioned at the first junction block below, and fixes by support bar and the first junction block be fixed on the first junction block axis; Described conduction touch panel is provided with the first Compress Spring near a side of intermediate mass, and this first Compress Spring one end withstands intermediate mass, and the other end withstands on the conduction touch panel; Described conduction touch panel is provided with terminal block away from a side of intermediate mass, this terminal block be fixed on the second junction block for power connection; A side near intermediate mass on described the second junction block offers groove, inside grooves is provided with a block fixed with support bar, the side of block is provided with arcwall face, one steel ball is positioned at described arcwall face, also be provided with the second Compress Spring in described groove, this the second Compress Spring one end withstands on recess sidewall, and the other end withstands on steel ball; Described plug casing is plugged in middle casing, and the top of the two contact-making surface is provided with and cooperatively interacts, for the helicitic texture by the two locking; Be provided with explosion suppresion surface on the contact-making surface of described plug casing and plug fuse, middle casing and the contact-making surface of the second junction block and lower house.
Described groove top is provided with insulation cover plate.
Be hinged with protective cover on the lateral wall of described middle casing, the edge of this protective cover is provided with the first sealing ring.
Described middle casing and lower house are bolted, and are provided with the second sealing ring between the two.
One end of described support bar is inserted in described the first junction block, and its insertion end is provided with keyway, in the socket inserted for support bar on the first junction block, is provided with the key matched with keyway.
The middle inside of described middle casing is provided with inwardly protruded fixture block; The lower inside of described middle casing is provided with spacer, and the spacer below is provided with spring coil.
Explosion-proof latch of the present utility model, overcome present explosion-proof latch 5 core cables and bulky problem can not be installed, and this latch can not only be installed 5 core cables, and 4 cores, 3 core cables equally can be used this latch; The explosion-proof latch of the utility model structure, volume is less, and structure is compacter, firm, than the little 5mm of explosion-proof latch height of the prior art, the little 15mm of diameter, easier for installation.
The accompanying drawing explanation
The core structures schematic diagram that Fig. 1 is explosion-proof latch the inside in prior art;
The vertical view that Fig. 2 is Fig. 1;
The structural representation that Fig. 3 is the explosion-proof latch of the utility model;
The installation diagram that Fig. 4 is plug fuse, first, second junction block in the explosion-proof latch of the utility model;
The structural representation that Fig. 5 is plug fuse in the explosion-proof latch of the utility model;
Fig. 6 is Fig. 5 upward view.
Embodiment
In order to make those skilled in the art person understand better technical solutions of the utility model, below in conjunction with drawings and embodiments, the utility model is described in further detail.
As shown in Fig. 3 to 6, a kind of explosion-proof latch, comprise socket part and plug portion, and described plug portion comprises plug casing 1 and plug fuse 2, and this plug fuse 2 is positioned at plug casing 1; Described socket part comprises middle casing 3, lower house 4, the first junction block 5, the second junction block 6 and plugging hole component 7, and wherein the first junction block 5 and the second junction block 6 are arranged in middle casing 3, and middle casing 3 is plugged in lower house 4.
Described plug fuse 2 comprises metal guide pillar 201 and guide pillar mounting bracket 202, and shown in Fig. 5,6, described metal guide pillar 201 is five, is evenly distributed on guide pillar mounting bracket 202.
Described plugging hole component 7 is fixed on the first junction block 5, and is provided with five jacks 701 that match with described five metal guide pillars 201, and the metallic conductor in each jack 701 is connected with a conduction touch panel 702 that is positioned at the jack below.One intermediate mass 8 is positioned at the below of the first junction block 5, and fixes by support bar 9 and the first junction block 5 be fixed on the first junction block 5 axis.When the first junction block rotates, described support bar 9 can drive described intermediate mass 8 and rotate simultaneously.
A side at described conduction touch panel 702 close intermediate mass 8 is provided with the first Compress Spring 703, one end of this first Compress Spring 703 withstands in the radial hole on this intermediate mass 8, the other end withstands on described conduction touch panel 702, makes the close trend of the oriented terminal block 602 of this conduction touch panel 702.
Described terminal block 602, be fixed on the second junction block 6 for power connection, this terminal block 602 is positioned at the side of described conduction touch panel 702 away from intermediate mass 8.
A side near intermediate mass 8 on described the second junction block 6 offers groove 601, groove 601 inside are provided with a block 10 fixed with support bar 9, the side of block 10 is provided with arcwall face, one steel ball 603 is positioned at described arcwall face, also be provided with the second Compress Spring 604 in described groove 601, these the second Compress Spring 604 1 ends withstand on groove 601 sidewalls, and the other end withstands on steel ball 603.
Described plug casing 1 is plugged in middle casing 3, the top of the two contact-making surface is provided with and cooperatively interacts, for the helicitic texture 101 by the two locking, when metal guide pillar 201 be inserted into jack 701 interior after, rotate plug casing 1, by this helicitic texture 101, plug casing 1 and middle casing 3 are locked, simultaneously plug fuse 2 drives plugging hole components 7 and the first junction block 5 rotations, makes to conduct electricity touch panel 702 and terminal block 602 joints, realizes the connection of electric equipment and power supply.
The end that support bar 9 inserts the first junction block 5 is provided with keyway, in the socket inserted for support bar 9 on the first junction block 5, is provided with the key matched with described keyway.
Be provided with explosion suppresion surface 17 on the contact-making surface of the contact-making surface of described plug casing 1 and plug fuse 2, middle casing 3 and the second junction block 6 and lower house 4.
Described groove 601 tops are provided with insulation cover plate 12, for described the second Compress Spring 604 and steel ball 603 are kept off in groove 601.
Be hinged with protective cover 13 on the lateral wall of described middle casing 3, the edge of this protective cover 13 is provided with the first sealing ring 14.
Described middle casing 3 is bolted with lower house 4, and is provided with the second sealing ring 15 between the two.
The middle inside of described middle casing 3 is provided with inwardly protruded fixture block 301, for tightening the first junction block 5; The lower inside of described middle casing 3 is provided with spacer 16, and spacer 16 belows are provided with spring coil 11, for tightening the second junction block 6.
Explosion-proof latch of the present utility model, overcome present explosion-proof latch 5 core cables and bulky problem can not be installed, and this latch can not only be installed 5 core cables, and 4 cores, 3 core cables equally can be used this latch; The explosion-proof latch of the utility model structure, volume is less, and structure is compacter, firm, than the little 5mm of explosion-proof latch height of the prior art, the little 15mm of diameter, easier for installation.
Claims (6)
1. an explosion-proof latch, it is characterized in that: comprise socket part and plug portion, described plug portion comprises plug casing and plug fuse, and this plug fuse is positioned at plug casing; Described socket part comprises middle casing, lower house, the first junction block, the second junction block and plugging hole component, and wherein the first junction block and the second junction block are arranged in middle casing, and middle casing is plugged in lower house; Described plug core attached bag is drawn together metal guide pillar and guide pillar mounting bracket, and described metal guide pillar is five, is evenly distributed on the guide pillar mounting bracket; Described plugging hole component is provided with five jacks that match with described five metal guide pillars, and the metallic conductor in each jack is connected with a conduction touch panel that is positioned at the jack below; One intermediate mass is positioned at the first junction block below, and fixes by support bar and the first junction block be fixed on the first junction block axis; Described conduction touch panel is provided with the first Compress Spring near a side of intermediate mass, and this first Compress Spring one end withstands intermediate mass, and the other end withstands on the conduction touch panel; Described conduction touch panel is provided with terminal block away from a side of intermediate mass, this terminal block be fixed on the second junction block for power connection; A side near intermediate mass on described the second junction block offers groove, inside grooves is provided with a block fixed with support bar, the side of block is provided with arcwall face, one steel ball is positioned at described arcwall face, also be provided with the second Compress Spring in described groove, this the second Compress Spring one end withstands on recess sidewall, and the other end withstands on steel ball; Described plug casing is plugged in middle casing, and the top of the two contact-making surface is provided with and cooperatively interacts, for the helicitic texture by the two locking; Be provided with explosion suppresion surface on the contact-making surface of described plug casing and plug fuse, middle casing and the contact-making surface of the second junction block and lower house.
2. a kind of explosion-proof latch as claimed in claim 1, is characterized in that: be provided with insulation cover plate above described groove.
3. a kind of explosion-proof latch as claimed in claim 1, it is characterized in that: be hinged with protective cover on the lateral wall of described middle casing, the edge of this protective cover is provided with the first sealing ring.
4. a kind of explosion-proof latch as claimed in claim 1, it is characterized in that: described middle casing and lower house are bolted, and are provided with the second sealing ring between the two.
5. a kind of explosion-proof latch as claimed in claim 1, it is characterized in that: an end of described support bar is inserted in described the first junction block, its insertion end is provided with keyway, in the socket inserted for support bar on the first junction block, is provided with the key matched with keyway.
6. a kind of explosion-proof latch as claimed in claim 1, it is characterized in that: the middle inside of described middle casing is provided with inwardly protruded fixture block; The lower inside of described middle casing is provided with spacer, and the spacer below is provided with spring coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320466194.5U CN203377426U (en) | 2013-07-31 | 2013-07-31 | Anti-explosion pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320466194.5U CN203377426U (en) | 2013-07-31 | 2013-07-31 | Anti-explosion pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203377426U true CN203377426U (en) | 2014-01-01 |
Family
ID=49839933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320466194.5U Expired - Fee Related CN203377426U (en) | 2013-07-31 | 2013-07-31 | Anti-explosion pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203377426U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490087A (en) * | 2015-12-30 | 2016-04-13 | 陕西烽火电子股份有限公司 | Limit compensation mechanism for explosive bolt separation device |
| CN106129711A (en) * | 2016-03-31 | 2016-11-16 | 中航光电科技股份有限公司 | Flame proof electric connector |
| CN108511938A (en) * | 2018-03-22 | 2018-09-07 | 江苏健龙电器有限公司 | Non-spark three-phase and quadrupole anti-explosion plug |
-
2013
- 2013-07-31 CN CN201320466194.5U patent/CN203377426U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490087A (en) * | 2015-12-30 | 2016-04-13 | 陕西烽火电子股份有限公司 | Limit compensation mechanism for explosive bolt separation device |
| CN105490087B (en) * | 2015-12-30 | 2018-01-19 | 陕西烽火电子股份有限公司 | A kind of spacing compensation mechanism of blasting bolt separator |
| CN106129711A (en) * | 2016-03-31 | 2016-11-16 | 中航光电科技股份有限公司 | Flame proof electric connector |
| CN106129711B (en) * | 2016-03-31 | 2019-06-07 | 中航光电科技股份有限公司 | Flame proof electric connector |
| CN108511938A (en) * | 2018-03-22 | 2018-09-07 | 江苏健龙电器有限公司 | Non-spark three-phase and quadrupole anti-explosion plug |
| CN108511938B (en) * | 2018-03-22 | 2023-12-19 | 江苏健龙电器有限公司 | Spark-free three-phase four-pole explosion-proof plug |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 Termination date: 20150731 |
|
| EXPY | Termination of patent right or utility model |