CN205282780U - Anti -explosion pin - Google Patents
Anti -explosion pin Download PDFInfo
- Publication number
- CN205282780U CN205282780U CN201520997863.0U CN201520997863U CN205282780U CN 205282780 U CN205282780 U CN 205282780U CN 201520997863 U CN201520997863 U CN 201520997863U CN 205282780 U CN205282780 U CN 205282780U
- Authority
- CN
- China
- Prior art keywords
- explosion
- lockhole
- switching arrangement
- locking bar
- connecting rod
- 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.)
- Expired - Fee Related
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Abstract
The utility model provides an anti -explosion pin through setting up locking lever, lockhole and link gear, makes the locking lever stretch into when switching device closes a floodgate stretch out in the lockhole and when the switching device separating brake lockhole, plug connector, locking lever stretch into back in the lockhole, just can stop when switching device closes a floodgate under the circumstances of area point the plug connector to follow the grafting and serve and pull out, only stretch out at switching device separating brake hour locking lever the lockhole could be pulled out the plug connector, therefore can improve anti -explosion pin's security from pegging graft to serve.
Description
Technical field
The utility model relates to explosion-proof power-supply unit field, is specifically related to a kind of explosion-proof latch.
Background technology
Explosion-proof latch is by explosiveproof isolation case, is arranged on the switching arrangement composition of explosiveproof isolation case, and explosiveproof isolation case side is also provided with wire connection cavity, is electrically connected with the switching arrangement in explosiveproof isolation case by explosion-proof wiring terminal; Explosiveproof isolation case is also provided with inserted terminal, is plugged on inserted terminal connector assembly, by plug connector assembly, it is possible to realize electrical connection fast, power to power device. Owing to switching arrangement is arranged in explosiveproof isolation case, thus switching arrangement and outside atmosphere are isolated, prevent the combustiblesubstance in arcing that switching arrangement produces when divide-shut brake and spark ignition outside atmosphere, play explosion-proof effect.
But existing explosion-proof latch is when switching arrangement closes a floodgate, namely under circuit is in channel status, what still can carry out connector assembly pulls out action, pulls out connector assembly and have very big potential safety hazard when charged, and thus the security of existing explosion-proof latch is not high.
Practical novel content
Therefore, the technical problems to be solved in the utility model is to overcome the not high defect of the security of explosion-proof latch of the prior art, thus the explosion-proof latch providing a kind of security high.
The utility model provides a kind of explosion-proof latch, comprises, explosiveproof isolation case;
Switching arrangement, is arranged in described explosiveproof isolation case;
Wire connection cavity, is electrically connected with the described switching arrangement in described explosiveproof isolation case by explosion-proof wiring terminal;
Inserted terminal, is arranged on explosiveproof isolation case;
Connector assembly, is plugged on described inserted terminal, has lockhole;
Locking bar, arranges on the sidewall of described inserted terminal, is oppositely arranged with described lockhole;
Linkage mechanism, extend into when switching arrangement closes a floodgate for driving described locking bar and stretches out described lockhole in described lockhole and when switching arrangement divides lock.
Further, explosion-proof latch of the present utility model, described linkage mechanism comprises, the connecting rod extending in described explosiveproof isolation case, one end of described connecting rod is connected with the handle of described switching arrangement, and one end has and promotes when described link work described locking bar stretch into or stretch out the drives structure of described lockhole.
Further, explosion-proof latch of the present utility model, described locking bar is arranged in elasticity part, and described elasticity part applies to make described locking bar stretch out the elastic force of described lockhole towards described locking bar.
Further, explosion-proof latch of the present utility model, described drives structure is along the axial arranged groove of described connecting rod, and described groove has the arc part of degree of depth reduction gradually, described locking bar when described arc componental movement, by bottom land against and stretch into or stretch out described lockhole.
Further, explosion-proof latch of the present utility model, one end of described connecting rod is fixedly installed connection block, and what described connection block formed the handle that holds described switching arrangement stirs groove.
Further, explosion-proof latch of the present utility model, described in stir groove vertical section be isosceles trapezoid.
Further, explosion-proof latch of the present utility model, the outer wall of described explosiveproof isolation case also forms spacing preiection, described spacing preiection forms for the limiting through hole that described connecting rod passes.
Further, explosion-proof latch of the present utility model, described connecting rod is provided with operation handle.
Further, explosion-proof latch of the present utility model, described switching arrangement is isolating switch.
Technical solutions of the utility model, tool has the following advantages:
The explosion-proof latch that the utility model provides, by arranging locking bar, lockhole and linkage mechanism, locking bar is extend into when switching arrangement closes a floodgate and in described lockhole and when switching arrangement divides lock, stretches out described lockhole, connector assembly, after locking bar extend in lockhole, the connector assembly when band point just can be stoped when switching arrangement closes a floodgate to pull out from inserted terminal, only when switching arrangement divides lock, locking bar stretches out described lockhole, connector assembly could be pulled out from inserted terminal, thus can improve the security of explosion-proof latch.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, it is briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is enforcement modes more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the longitudinal section of explosion-proof latch in the utility model.
Wherein: 1-explosiveproof isolation case; 2-switching arrangement; 3-wire connection cavity; 4-connector assembly; 5-locking bar; 6-lockhole; 7-connecting rod; 8-inserted terminal; 9-operates handle; 11-groove; 10-elasticity part; 12-connects block; 13-spacing preiection.
Embodiment
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, it is clear that described embodiment is the utility model part embodiment, instead of whole embodiments. Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
In description of the present utility model, it is necessary to explanation, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, such as, it is possible to be fixedly connected with, it is also possible to be removably connect, or connect integratedly; Can be mechanically connected, it is also possible to be electrical connection; Can be directly be connected, it is also possible to be indirectly connected by intermediary, it is possible to be the connection of two element internals. For the ordinary skill in the art, it is possible to particular case understands the concrete implication of above-mentioned term in the utility model.
In addition, if below in the described different enforcement mode of the utility model involved technology feature do not form conflict each other and just can be combined with each other.
Embodiment 1
The present embodiment provides a kind of explosion-proof latch, as shown in Figure 1, comprises,
Explosiveproof isolation case 1;
Switching arrangement 2, is arranged in described explosiveproof isolation case 1;
Wire connection cavity 3, is electrically connected with the described switching arrangement 2 in described explosiveproof isolation case 1 by explosion-proof wiring terminal;
Inserted terminal 8, is arranged on explosiveproof isolation case 1;
Connector assembly 4, is plugged on described inserted terminal 8, has lockhole 6;
Locking bar 5, arranges on the sidewall of described inserted terminal 8, is oppositely arranged with described lockhole 6;
Linkage mechanism, for driving described connector assembly 4 extend in described lockhole 6 when the 2-in-1 lock of switching arrangement and stretch out described lockhole 6 when switching arrangement 2 points of locks.
Above-mentioned explosion-proof latch, by arranging locking bar 5, lockhole 6 and linkage mechanism, locking bar 5 is made to extend in described lockhole 6 when the 2-in-1 lock of switching arrangement and stretch out described lockhole 6 when switching arrangement 2 points of locks, connector assembly 4, after locking bar 5 extend in lockhole 6, the connector assembly 4 when band point just can be stoped when the 2-in-1 lock of switching arrangement to pull out from inserted terminal, only when switching arrangement 2 points of locks, locking bar 5 stretches out described lockhole 6, connector assembly 4 could be pulled out from inserted terminal, thus can improve the security of explosion-proof latch.
When connector assembly 4 is plugged on inserted terminal 8, both connection terminals will link together and conduct.
Further, described linkage mechanism comprises, the connecting rod 7 extending in described explosiveproof isolation case 1, one end of described connecting rod 7 is connected with the handle of described switching arrangement 2, and one end has and promotes when described connecting rod 7 moves described locking bar 5 stretch into or stretch out the drives structure of described lockhole 6.
Above-mentioned linkage mechanism, structure is simple, and it is convenient to drive, and makes switching arrangement 2 and locking bar 5 realize linkage and arranges.
Further, described locking bar 5 is arranged in elasticity part 10, and described elasticity part 10 applies to make described locking bar 5 stretch out the elastic force of described lockhole 6 towards described locking bar 5.
Arranging elasticity part 10 makes locking bar 5 can automatically stretch out lockhole 6 when switching arrangement 2 points of locks, facilitates people to be extracted by connector assembly 4. Certainly, elasticity part 10 can not be set completely, and extract locking bar 5 by people.
Further, described drives structure is along the axial arranged groove 11 of described connecting rod, and described groove 11 has the arc part of degree of depth reduction gradually, described locking bar 5 when described arc componental movement, groove 11 end against and stretch into or stretch out described lockhole 6.
Above-mentioned drives structure structure is simple, and transmission efficiency height.
Further, one end of described connecting rod 7 is fixedly installed and connects block 12, and what described connection block 12 formed the handle that holds described switching arrangement 2 stirs groove.
Further, the vertical section stirring groove described in is isosceles trapezoid.
The groove of stirring of isosceles trapezoid has the handle motion space for switching arrangement 2, and drive link 7 can do translational motion when handle motion.
Further, the outer wall of described explosiveproof isolation case 1 also forms spacing preiection 13, described spacing preiection 13 forms for the limiting through hole that described connecting rod 7 passes.
The direction of motion of and limiting rod 7 fixing by spacing preiection 13 and limiting through hole, makes the connecting rod 7 can only along the axial motion of connecting rod 7.
Further, described connecting rod 7 is provided with operation handle 9.
Setting operation handle can facilitate people's manual operation connecting rod 7 to move, and facilitates people manually switch device 2 to be carried out breaking-closing operating.
Preferably, described switching arrangement 2 is isolating switch. Can certainly be other switching arrangement, such as switch soon.
Obviously, above-described embodiment is only for example is clearly described, and not to the restriction of the mode of enforcement. For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description. Here without the need to also cannot all enforcement modes be given exhaustive. And the apparent change thus extended out or variation are still among the protection domain of the utility model creation.
Claims (9)
1. an explosion-proof latch, it is characterised in that, comprise, explosiveproof isolation case (1);
Switching arrangement (2), is arranged in described explosiveproof isolation case (1);
Wire connection cavity (3), is electrically connected with the described switching arrangement (2) in described explosiveproof isolation case (1) by explosion-proof wiring terminal;
Inserted terminal (8), is arranged on explosiveproof isolation case (1);
Connector assembly (4), is plugged on described inserted terminal (8), has lockhole (6);
Locking bar (5), arranges on the sidewall of described inserted terminal (8), is oppositely arranged with described lockhole (6);
Linkage mechanism, extend in described lockhole (6) for driving described locking bar (5) when switching arrangement (2) closes a floodgate and stretches out described lockhole (6) when switching arrangement (2) point lock.
2. explosion-proof latch according to claim 1, it is characterized in that, described linkage mechanism comprises, the connecting rod (7) extending in described explosiveproof isolation case (1), one end of described connecting rod (7) is connected with the handle of described switching arrangement (2), and one end has and promotes described locking bar (5) stretch into or stretch out the drives structure of described lockhole (6) when described connecting rod (7) moves.
3. explosion-proof latch according to claim 2, it is characterized in that, described locking bar (5) is arranged in elasticity part (10), and described elasticity part (10) applies to make described locking bar (5) stretch out the elastic force of described lockhole (6) towards described locking bar (5).
4. explosion-proof latch according to claim 3, it is characterized in that, described drives structure is along the axial arranged groove (11) of described connecting rod, described groove (11) has the arc part of degree of depth reduction gradually, described locking bar (5) when described arc componental movement, groove (11) end against and stretch into or stretch out described lockhole (6).
5. explosion-proof latch according to the arbitrary item of claim 2-4, it is characterized in that, one end of described connecting rod (7) be fixedly installed connect block (12), described connection block (12) forms hold described switching arrangement (2) handle stir groove.
6. explosion-proof latch according to claim 5, it is characterised in that, described in stir groove vertical section be isosceles trapezoid.
7. explosion-proof latch according to the arbitrary item of claim 2-4, it is characterized in that, the outer wall of described explosiveproof isolation case (1) also forms spacing preiection (13), described spacing preiection (13) forms for the limiting through hole that described connecting rod (7) passes.
8. explosion-proof latch according to the arbitrary item of claim 2-4, it is characterised in that, described connecting rod is provided with operation handle on (7).
9. explosion-proof latch according to the arbitrary item of claim 1-4, it is characterised in that, described switching arrangement (2) is isolating switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520997863.0U CN205282780U (en) | 2015-12-04 | 2015-12-04 | Anti -explosion pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520997863.0U CN205282780U (en) | 2015-12-04 | 2015-12-04 | Anti -explosion pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205282780U true CN205282780U (en) | 2016-06-01 |
Family
ID=56067317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520997863.0U Expired - Fee Related CN205282780U (en) | 2015-12-04 | 2015-12-04 | Anti -explosion pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205282780U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111641071A (en) * | 2020-06-09 | 2020-09-08 | 合隆防爆电气有限公司 | Explosion-proof plug device with dustproof function |
| CN111696799A (en) * | 2020-06-09 | 2020-09-22 | 合隆防爆电气有限公司 | Explosion-proof plug device with function of preventing illegal operation |
-
2015
- 2015-12-04 CN CN201520997863.0U patent/CN205282780U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111641071A (en) * | 2020-06-09 | 2020-09-08 | 合隆防爆电气有限公司 | Explosion-proof plug device with dustproof function |
| CN111696799A (en) * | 2020-06-09 | 2020-09-22 | 合隆防爆电气有限公司 | Explosion-proof plug device with function of preventing illegal operation |
| CN111696799B (en) * | 2020-06-09 | 2021-03-30 | 合隆防爆电气有限公司 | Explosion-proof plug device with function of preventing illegal operation |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160601 Termination date: 20201204 |