CN202712771U - Explosion-proof junction box - Google Patents
Explosion-proof junction box Download PDFInfo
- Publication number
- CN202712771U CN202712771U CN201220339470.7U CN201220339470U CN202712771U CN 202712771 U CN202712771 U CN 202712771U CN 201220339470 U CN201220339470 U CN 201220339470U CN 202712771 U CN202712771 U CN 202712771U
- Authority
- CN
- China
- Prior art keywords
- explosion
- cover plate
- opening
- proof
- proof wiring
- 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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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/28—Casings; Parts thereof or accessories therefor dustproof, splashproof, drip-proof, waterproof or flameproof
Abstract
The utility model provides an explosion-proof junction box, comprising a main box body and cover plates covering and closing the main box body. The main box body is equipped with a wiring port. The explosion-proof junction box is characterized in that one end of the main box body is equipped with an opening, the opening is equipped with a cross-beam used for dividing the opening into at least two openings, and there are existed at least two cover plates; each cover plate and each opening are fastened and covered and closed in one-to-one correspondence to form an enclosed box body, an annular jointing plate parallel with each cover plate is arranged along the periphery of each opening, and the end face of each cover plate close to each opening is covered and closed with each annular jointing plate to form an explosion-proof joint surface. Relative to the prior art, the explosion-proof junction box of the utility model enables the size to be expanded and the large-scale equipment cable connection cost and construction cost to be reduced, can satisfy the explosion-proof level requirement, and can be used for the large-scale equipment cable connection in an explosion-proof region.
Description
Technical field
The utility model relates to terminal box or junction box technical field, relates in particular to a kind of explosion-proof wiring box.
Background technology
Explosion-proof wiring box is the special installation that various Different high risk sites use, and civilian junction box ratio, and it is the junction box with explosion prevention function who forms through various Reformation for Explosion Proofs.Existing explosion-proof wiring box adopts aluminium alloy compression casting or adopts stainless steel to be welded, and explosion proof and corrosion protection the junction box have by classification: be divided into according to function material form: intrinsic safety type explosion-proof wiring box, aluminium alloy explosion-proof wiring box, stainless steel explosion-proof wiring box.Explosion-proof wiring box should satisfy relevant GB, for example satisfies GB3836.1-2010.And existing explosion-proof wiring box volume is too little, can not be used in the wiring of main equipment.And be limited to the restriction of structure and processing technology, and existing explosion-proof tank be owing to will satisfy the technological requirement of flameproof joint and cover plate, so size can't do greatly, and perhaps size can't satisfy the explosive-proof grade requirement after doing greatly.Existing explosion-proof wiring box can't satisfy the main equipment installation owing to volume is little and cable continues, explosion-proof scene in the fields such as petrochemical industry, Coal Chemical Industry, gas chemical industry, colliery, the cable of the main equipments such as various PLC system, DOS system, instrument control system continues and can only the measurement and control signal at scene be sent to by the control cables of multicore rack room, the control room of non-explosion-proof area, and control appliance can only be placed on rack room, the control room away from explosion-proof area.Increased like this cost of transmission cable and construction, and the stability of a system is poor, maintenance difficulties is large.
Summary of the invention
For the problem of prior art, the utility model provides a kind of explosion-proof wiring box that can be applied to main equipment in explosion-proof area.
The utility model is achieved in that the utility model provides a kind of explosion-proof wiring box, comprise main box and the cover plate that covers with described main box, described main box is provided with connection jaws, it is characterized in that: described main box one end has an opening, described opening is provided with the crossbeam that described opening is divided at least two minutes openings, described cover plate is at least two, described minute opening of each described cover plate and each be corresponding fastening covering one by one, form a closed box, be provided with the annular fish plate parallel with each described cover plate along each described minute opening periphery, each described cover plate covers the formation flameproof joint near end face and each described annular fish plate of each described minute opening.
Said structure is divided at least two minutes openings with the opening on the main box by crossbeam, each minute, opening all had cover plate to cover with it, each cover plate and the annular connecting plate that divides the opening periphery that matches with it cover the formation flameproof joint, and the size of flameproof joint can be controlled, the size of each cover plate can be controlled, be equivalent to like this two or several small anti-explosions junction box are integrated into a large-scale explosion-proof wiring box, so the utility model can satisfy under the relevant GB explosive-proof grade requirement, the size of main box is done greatly, and the size of not worrying main box do large after, the size of cover plate can increase thereupon increasing the situation that difficulty of processing and cost and flameproof joint can't satisfy instructions for use.Therefore the utility model can continue by the cable for main equipment in explosion-proof area.
Therefore, with respect to prior art, the utlity model has and size can be done greatly, the cable that can be used for main equipment in explosion-proof area continues, and reduces cost and construction cost that the main equipment cable continues.
Particularly, the length of described flameproof joint is 36mm.Wherein, flameproof joint is current techique term in the art, namely from flameproof enclosure inside by the shortest path length of flameproof joint to the flameproof enclosure outside.Flameproof joint is comprised of the face of pair of engaging, in the technical program, flameproof joint by each and each cover plate near each minute opening end face cover and form.
Particularly, each described annular fish plate and each were provided with seal groove between the opening in described minute, were provided with sealing ring or liner in the described seal groove.
Particularly, each described cover plate is equipped with boss towards the one side of each described minute opening, and each described boss places in the interior frame with each described annular fish plate.
Particularly, each described cover plate plate face outwardly is provided with handle.
Particularly, each described cover plate and each described minute opening cover by bolted.
Particularly, described main box is square box, and each described minute opening is square aperture, and each described cover plate is square cover plate, and each described annular fish plate is annular square frame fish plate.
Particularly, described crossbeam is one.
Particularly, described main box and each described cover plate all adopt structural steel to make, and described explosion-proof wiring box outer surface all scribbles the antirust, anti-corrosive corrosion material.
Particularly, described structural steel is the Q235 structural carbon steel.
Said structure not only so that the utility model size can be done greatly, the cable that can be used for main equipment in explosion-proof area continues, reduce cost that the main equipment cable continues and construction cost and can be further so that structure is more firm, intensity is higher, explosion-proof performance is better, assembles convenient.
Description of drawings
Figure 1 shows that the explosion-proof wiring box stereogram that the utility model embodiment provides;
Figure 2 shows that the explosion-proof wiring box front view that the utility model embodiment provides;
Figure 3 shows that the I-I of Fig. 2 is to sectional view;
Figure 4 shows that the A part partial enlarged drawing of Fig. 3;
Figure 5 shows that the explosion-proof wiring box exploded view that the utility model embodiment provides;
Figure 6 shows that the explosion-proof wiring box main box stereogram that the utility model embodiment provides;
Figure 7 shows that the B part partial enlarged drawing of the utility model Fig. 6;
Figure 8 shows that the explosion-proof wiring cover plate stereogram that the utility model embodiment provides;
Described another visual angle stereogram of explosion-proof wiring cover plate that provides for the utility model embodiment of Fig. 9.
Accompanying drawing sign: 1-main box; The 11-connection jaws; The 12-opening; 121-divides opening; The 13-crossbeam; 122-annular fish plate; The explosion-proof composition surface of 123-; The 124-seal groove; The 125-sealing ring; The 2-cover plate; The 21-boss; The 22-handle.
Embodiment
In order to make the technical solution of the utility model and advantage clearer, below in conjunction with drawings and Examples the utility model is described in further detail.
Referring to Fig. 1 to Fig. 9, the utility model embodiment provides a kind of explosion-proof wiring box, comprise main box 1 and the cover plate 2 that covers with described main box, described main box 1 is provided with connection jaws 11, it is characterized in that: described main box 1 one ends have an opening 12, described opening 12 is provided with the crossbeam 13 that described opening 12 is divided at least two minutes openings 121, described cover plate 2 is at least two, described minute opening 121 of each described cover plate 2 and each be corresponding fastening covering one by one, form a closed box, be provided with the annular fish plate 122 parallel with each described cover plate 2 along each described minute opening 121 periphery, each described cover plate 2 near each minute opening 121 end face and each described annular fish plate 122 cover formation flameproof joint 123.
Said structure is divided at least two minutes openings 121 with the opening 12 on the main box 1 by crossbeam 13, each minute, opening 121 all had cover plate 2 to cover with it, each cover plate 2 and the annular connecting plate 122 that divides opening 121 peripheries that matches with it cover and form flameproof joint 123, and the size of flameproof joint 123 can be controlled, the size of each cover plate 2 can be controlled, be equivalent to like this two or several small anti-explosions junction box are integrated into a large-scale explosion-proof wiring box, so the utility model can satisfy under the relevant GB explosive-proof grade requirement, the size of main box 1 is done greatly, and the size of not worrying main box 1 do large after, the size of cover plate 2 can increase thereupon increasing the situation that difficulty of processing and cost and flameproof joint 123 can't satisfy instructions for use.Therefore the utility model can continue by the cable for main equipment in explosion-proof area.
Therefore, with respect to prior art, the utlity model has and size can be done greatly, the cable that can be used for main equipment in explosion-proof area continues, and reduces cost and construction cost that the main equipment cable continues.
Particularly, the length of the flameproof joint 123 of described explosion-proof wiring box is 36mm.Wherein, flameproof joint 123 is current techique term in the art, and is namely inner by the shortest path length of flameproof joint 123 to the flameproof enclosure outside from flameproof enclosure.Flameproof joint 123 is comprised of the face of pair of engaging, and in the technical program, flameproof joint 123 is covered near the end face of each annular fish plate 122 by each annular fish plate 122 end face outwardly and each cover plate 2 and forms.Relevant GB such as GB3836.1-2010, requiring the length of the flameproof joint 123 of explosion-proof wiring box is 25mm, and the length of the flameproof joint 123 of the explosion-proof wiring box that the utility model provides is 36mm, explosion insulation performance that can more effective assurance explosion-proof wiring box.Make it be more useful in high explosion-proof area.
Particularly, each described annular fish plate 122 and each were provided with seal groove 124 between the opening 121 in described minute, were provided with sealing ring 125 or liner in the described seal groove 124.Said structure can play the effect of waterproof, so that the explosion-proof wiring box that the utility model provides can be with in the environment that requires classification of waterproof, environment for use is wider.
Particularly, each described cover plate 2 is equipped with boss 21 towards the one side of each described minute opening 121, and each described boss 21 places in the interior frame with each described annular fish plate 122.Cover plate 2 is the part of explosion-proof faying face 123 towards the end face of each described minute opening 121 with the corresponding part that annular fish plate 122 covers, explosion-proof composition surface 123 has certain flatness processing request, process by milling machine this a part of in, cover plate 2 all can be processed according to the flatness standard on explosion-proof composition surface 123 towards the whole end face of each described minute opening 121, as long as be processed to form the part on explosion-proof composition surface 123, therefore be provided with boss 21 at cover plate 2 towards the end face of each described minute opening 121, can be so that explosion-proof composition surface 123 be easy to processing; In addition, boss 21 is so that form a step, in the time of the dismounting cover plate between explosion-proof composition surface 123 and the boss 21; if boss is placed towards ground; explosion-proof composition surface 123 is not contacted with ground, in order to avoid abraded by ground, so boss 21 also has the effect on the explosion-proof composition surface of protection.
Particularly, each described cover plate 2 plate face outwardly is provided with handle 22.Such design can make things convenient for the dismounting of explosion-proof wiring box, so that the dismounting of cover plate 2 can handle with care, avoids misoperation and makes cover plate 2 wipe flameproof joints 123.When unlatching cover plate 2 was installed again, flameproof joint 123 must be smeared an amount of 2# antirust oil.
Particularly, each described cover plate 2 and minute opening 121 that covers with it cover by bolted.Such structure can strengthen the intensity of explosion-proof wiring box, strengthens the intensity that covers of cover plate 2 and main box 1, improves the explosion-proof performance of explosion-proof wiring box.
Particularly, the explosion-proof wiring box that the utility model embodiment provides, main box 1 is square box, and each described minute opening 121 is square aperture, and each described cover plate 2 is square cover plate; Described crossbeam 13 is one.In actual applications, capacity is 320 liters explosion-proof wiring box, by a crossbeam 13 opening 12 is divided into two minutes openings 121, each minute opening 121 be equipped with cover plate 2, can satisfy the cable continued access demand of main equipment, the present embodiment is when satisfying practical application, reduce the quantity of cover plate 2, can reduce difficulty of processing and processing cost, described cover plate 2 adopts planer-type milling machine processing, clamped one time can be finished processing, and efficient is high and precision good.
Particularly, described main box 1 and each described cover plate 2 all adopt structural steel to make; Described explosion-proof wiring box surface-coated has the antirust, anti-corrosive corrosion material, main aluminium alloy compression casting or the employing stainless steel of adopting is welded in the prior art, and the utility model adopts structural steel to make, further the preferred Q235 structural carbon steel that adopts is made, not only intensity is high, and explosion-proof performance is good, and the Q235 structural carbon steel also to have a mass fraction low, good welding performance, the advantage of plasticity, good toughness.Described explosion-proof wiring box surface-coated has the antirust, anti-corrosive corrosion material, can be so that explosion-proof wiring box have the rust resistance and corrosion resistance performance, and suitable environment is wider.
Said structure not only so that the utility model size can be done greatly, the cable that can be used for main equipment in explosion-proof area continues, reduce cost that the main equipment cable continues and construction cost and can be further so that structure is more firm, intensity is higher, explosion-proof performance is better, assembles convenient.
The above only is preferred embodiment of the present utility model, not in order to limiting the utility model, all any modifications of doing within spirit of the present utility model and principle, is equal to and replaces and improvement etc. all should be included within the protection range of the present utility model.
Claims (10)
1. explosion-proof wiring box, comprise main box and the cover plate that covers with described main box, described main box is provided with connection jaws, it is characterized in that: described main box one end has an opening, described opening is provided with the crossbeam that described opening is divided at least two minutes openings, described cover plate is at least two, described minute opening of each described cover plate and each be corresponding fastening covering one by one, form a closed box, be provided with each described cover plate of the annular fish plate parallel with each described cover plate along each described minute opening periphery and cover the formation flameproof joint near end face and each described annular fish plate of each described minute opening.
2. explosion-proof wiring box according to claim 1, it is characterized in that: the length of described flameproof joint is 36mm.
3. explosion-proof wiring box according to claim 2 is characterized in that: each described annular fish plate and each were provided with seal groove between the opening in described minute, were provided with sealing ring or liner in the described seal groove.
4. explosion-proof wiring box according to claim 3, it is characterized in that: each described cover plate is equipped with boss towards the one side of each described minute opening, and each described boss places in the interior frame with each described annular fish plate.
5. explosion-proof wiring box according to claim 4, it is characterized in that: each described cover plate plate face outwardly is provided with handle.
6. explosion-proof wiring box according to claim 5, it is characterized in that: each described cover plate and each described minute opening cover by bolted.
7. according to claim 1 to 6 each described explosion-proof wiring boxes, it is characterized in that: described main box is square box, and each described minute opening is square aperture, and each described cover plate is square cover plate, and each described annular fish plate is annular square frame fish plate.
8. explosion-proof wiring box according to claim 7, it is characterized in that: described crossbeam is one.
9. explosion-proof wiring box according to claim 8 is characterized in that: described main box and each described cover plate all adopt structural steel to make, and described explosion-proof wiring box outer surface all scribbles the antirust, anti-corrosive corrosion material.
10. explosion-proof wiring box according to claim 9, it is characterized in that: described structural steel is the Q235 structural carbon steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220339470.7U CN202712771U (en) | 2012-07-13 | 2012-07-13 | Explosion-proof junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220339470.7U CN202712771U (en) | 2012-07-13 | 2012-07-13 | Explosion-proof junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202712771U true CN202712771U (en) | 2013-01-30 |
Family
ID=47593036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220339470.7U Expired - Fee Related CN202712771U (en) | 2012-07-13 | 2012-07-13 | Explosion-proof junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202712771U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106654909A (en) * | 2017-03-13 | 2017-05-10 | 温州泓呈祥科技有限公司 | Dustproof cooling weak current placement device, method and application |
| CN106772843A (en) * | 2015-11-20 | 2017-05-31 | 天津市贝斯特防爆电器有限公司 | Corrosion-resistant explosion-proof optical cable case |
| CN106772842A (en) * | 2015-11-20 | 2017-05-31 | 天津市贝斯特防爆电器有限公司 | A kind of high-pressure undersea cable and optical cable composite anti-explosion case |
| CN109856334A (en) * | 2019-02-01 | 2019-06-07 | 中国石油天然气集团公司 | A kind of real-time analytical equipment of gas pipeline hydrogen sulfide |
| DE102018118195A1 (en) * | 2018-07-27 | 2020-01-30 | R. Stahl Schaltgeräte GmbH | Explosion-proof housing with split lid |
| DE102019102832A1 (en) * | 2019-02-05 | 2020-08-06 | R. Stahl Schaltgeräte GmbH | Explosion-proof housing and method for its assembly |
| WO2020169471A1 (en) * | 2019-02-22 | 2020-08-27 | R. Stahl Schaltgeräte GmbH | Protective housing in explosion-protection-type pressure-proof encapsulation |
| DE102020133606B3 (en) | 2020-12-15 | 2021-12-30 | R. Stahl Schaltgeräte GmbH | Explosion-proof housing with removable central brace |
| CN113924828A (en) * | 2019-06-13 | 2022-01-11 | R.施塔尔开关设备有限责任公司 | Explosion-proof housing with reinforcing frame |
| RU2803939C2 (en) * | 2019-02-05 | 2023-09-22 | Р. Шталь Шальтгерете Гмбх | Explosion-proof enclosure and method for its mounting |
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- 2012-07-13 CN CN201220339470.7U patent/CN202712771U/en not_active Expired - Fee Related
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| CN106772842B (en) * | 2015-11-20 | 2020-10-20 | 天津市贝斯特防爆电器有限公司 | High-pressure submarine cable and optical cable composite explosion-proof box |
| CN106772843A (en) * | 2015-11-20 | 2017-05-31 | 天津市贝斯特防爆电器有限公司 | Corrosion-resistant explosion-proof optical cable case |
| CN106772842A (en) * | 2015-11-20 | 2017-05-31 | 天津市贝斯特防爆电器有限公司 | A kind of high-pressure undersea cable and optical cable composite anti-explosion case |
| US11778285B2 (en) | 2016-01-05 | 2023-10-03 | Roku, Inc. | Computing system with channel-change-based trigger feature |
| CN106654909A (en) * | 2017-03-13 | 2017-05-10 | 温州泓呈祥科技有限公司 | Dustproof cooling weak current placement device, method and application |
| CN112689929A (en) * | 2018-07-27 | 2021-04-20 | R.施塔尔开关设备有限责任公司 | Explosion-proof housing with split cover |
| EP3830917B1 (en) * | 2018-07-27 | 2024-04-03 | R. STAHL Schaltgeräte GmbH | Explosion-proof housing with split cover |
| DE102018118195B4 (en) | 2018-07-27 | 2020-06-04 | R. Stahl Schaltgeräte GmbH | Explosion-proof housing with split lid |
| DE102018118195A1 (en) * | 2018-07-27 | 2020-01-30 | R. Stahl Schaltgeräte GmbH | Explosion-proof housing with split lid |
| CN109856334A (en) * | 2019-02-01 | 2019-06-07 | 中国石油天然气集团公司 | A kind of real-time analytical equipment of gas pipeline hydrogen sulfide |
| RU2803939C2 (en) * | 2019-02-05 | 2023-09-22 | Р. Шталь Шальтгерете Гмбх | Explosion-proof enclosure and method for its mounting |
| WO2020160937A1 (en) * | 2019-02-05 | 2020-08-13 | R. Stahl Schaltgeräte GmbH | Explosion-protected housing and method for the assembly thereof |
| DE102019102832B4 (en) | 2019-02-05 | 2021-09-09 | R. Stahl Schaltgeräte GmbH | Explosion-proof housing and method for its assembly |
| DE102019102832A1 (en) * | 2019-02-05 | 2020-08-06 | R. Stahl Schaltgeräte GmbH | Explosion-proof housing and method for its assembly |
| CN113574753A (en) * | 2019-02-05 | 2021-10-29 | R.施塔尔开关设备有限责任公司 | Explosion-proof housing and method for mounting same |
| CN113424382A (en) * | 2019-02-22 | 2021-09-21 | R.施塔尔开关设备有限责任公司 | Protective housing in explosion-proof enclosure of explosion-proof type |
| WO2020169471A1 (en) * | 2019-02-22 | 2020-08-27 | R. Stahl Schaltgeräte GmbH | Protective housing in explosion-protection-type pressure-proof encapsulation |
| CN113924828A (en) * | 2019-06-13 | 2022-01-11 | R.施塔尔开关设备有限责任公司 | Explosion-proof housing with reinforcing frame |
| CN113924828B (en) * | 2019-06-13 | 2024-04-30 | R.施塔尔开关设备有限责任公司 | Explosion-proof housing with reinforcing frame |
| WO2022128231A1 (en) | 2020-12-15 | 2022-06-23 | R. Stahl Schaltgeräte GmbH | Explosion-proof housing comprising removable central strut |
| DE102020133606B3 (en) | 2020-12-15 | 2021-12-30 | R. Stahl Schaltgeräte GmbH | Explosion-proof housing with removable central brace |
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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: 20130130 Termination date: 20160713 |