CN204290101U - A kind of explosion-proof electrical distribution box - Google Patents
A kind of explosion-proof electrical distribution box Download PDFInfo
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- CN204290101U CN204290101U CN201420828452.4U CN201420828452U CN204290101U CN 204290101 U CN204290101 U CN 204290101U CN 201420828452 U CN201420828452 U CN 201420828452U CN 204290101 U CN204290101 U CN 204290101U
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Abstract
The utility model relates to switching technique field, be specifically related to a kind of explosion-proof electrical distribution box, comprise casing, case lid, base plate, switch and circuit breaker, the upper surface of described casing is fixed with case lid by some screws, the inside bottom surface of casing is fixed with base plate, described base plate is fixed with switch, the top of base plate is fixed with some circuit breakers by strutting piece, it is characterized in that: described switch controls the folding of explosion-proof electrical distribution box by transmission mechanism and the switch operation device that is connected with transmission mechanism, and described switch operation device is installed on left side or the right side of casing.The utility model structure is simple, by in the side of casing, switch operation device is installed and with the coordinating of inner transmission mechanism, utilize lever principle, substantially reduce the actuating force needed for switch folding, also maximally utilise inner space simultaneously, facilitated the component placement of inner space, realized when the highest explosion-proof performance, with the most practical, blast resistance construction easily, design is optimized to product.
Description
Technical field
The utility model relates to switching technique field, is specifically related to a kind of explosion-proof electrical distribution box.
Background technology
The existing main explosive-proof grade of market aluminium alloy explosion-proof electrical distribution box has Ex d II B, Ex d II C two kinds of explosive-proof grade products, and wherein Ex d II B explosive-proof grade is lower than Ex d II C.Till Ex d II B level, the explosion-proof composition surface of Ex d II C level during product composition surface, because of the easier processing of blast resistance construction own, when switch being installed in inside in this two types product, limit by the operating mechanism of switch own, product can only the folding of its panel operation switch of face, time as higher in housing interior volume, there will be two kinds of installation situation, first, can operate in altitude range to operating grip padded for switch, the second, switch and operating grip are mounted to bottom half, the operating axis of operating grip is lengthened to operable switch position.Will cause by its structural constraint like this, occur following several problem, 1: can be large because of lead-in cable square number, be directed at not easily wiring, cause space waste because space is excessive shared by wiring.2, as panel for electricity distribution box door assembly with hinge and glass in right hand and left open time, because of the length reason of operating axis, cause and not allow electric elements are installed within it opens diameter.3, not high to the utilance in interiors of products space, inconvenience inner member layout, 4, when switching manipulation handle is installed on case lid, can because of switch be high-current switch time, the opening and closing forces of action required switch increases, again because operating mechanism is axial operation, operate the actuating force used so larger, not easy to operate.As till producing Ex d II C level explosion-proof electrical distribution box composition surface during product composition surface, because blast resistance construction own need meet standard-required, so axial fit clearance is very little, explosion-proof composition surface is longer, when this kind of product, should not Total Product overall dimension be done greatly, cross conference as overall dimension to cause and not easily open case lid, operation is there is not easily when changing or overhaul inner member, when there is this kind of situation, just need change the blast resistance construction of product, the product on product composition surface till the explosion-proof composition surface of Ex d II C level, produce as the explosion-proof composition surface of Ex d II C level is explosion-proof screw thread, open product to be like this easier to relative to the product axially coordinated.But in this product, switch is installed, there will be because its lid and body are Screw assembly, switch and operating grip are as being installed on case lid, element is installed on casing, when opening or tighten case lid, coordinate in rotation status between operating mechanism and the operating mechanism of element, product quality of fit is wayward, and so product space waste is a lot, increases production difficulty.
Summary of the invention
The utility model, for the deficiencies in the prior art, provides a kind of explosion-proof electrical distribution box.
The main technical schemes that the utility model adopts is:
A kind of explosion-proof electrical distribution box, comprise casing, case lid, base plate, switch and circuit breaker, the upper surface of described casing is fixed with case lid by some screws, the inside bottom surface of casing is fixed with base plate, described base plate is fixed with switch, the top of base plate is fixed with some circuit breakers by strutting piece, it is characterized in that: described switch controls the folding of explosion-proof electrical distribution box by transmission mechanism and the switch operation device that is connected with transmission mechanism, and described switch operation device is installed on left side or the right side of casing.
The utility model also adopts following attached technical scheme:
In above-mentioned distribution box, described transmission mechanism comprises mounting bracket, pan carriage and swing pinion, by being respectively fixed with a left stamping and right stamping about the first screw in mounting bracket, two flange of pan carriage are caught in described left stamping and right stamping respectively, the bottom of pan carriage is provided with an opening, in opening, the toggle of switch is stated in insertion to some extent, the upper end kink array of pan carriage has some bayonet sockets, described bayonet socket engages with the teeth of swing pinion, the inside of described swing pinion is square through hole, through hole has the periphery of a lock hole to swing pinion vertically upward.
In above-mentioned distribution box, described switch operation device comprises handle, the inside of described handle is fixed with the flame proof spin axis being inserted into handle inner by the second screw, flame proof spin axis overcoat has esplosion isolating cover, screw thread is provided with and described casing is fixed outside esplosion isolating cover, the other end of flame proof spin axis is fixed with rotary sleeve by the 3rd screw, and the rear side of the 3rd screw is the axis hole of rotary sleeve.
In above-mentioned distribution box, the outer corner of described esplosion isolating cover is provided with the first groove, and the first groove is built with the first sealing ring.
In above-mentioned distribution box, the outer surface of described flame proof spin axis is provided with the second groove and the 3rd groove, and the second groove is built with the second sealing ring, and flame proof spin axis is fixed built with jump ring by the 3rd groove.
In above-mentioned distribution box, the through hole of described transmission mechanism is fixedly connected with by square shaft with the axis hole of described switch operation device.
Adopt the beneficial effect that brings of the utility model to be: by the side of casing, switch operation device is installed and with the coordinating of inner transmission mechanism, utilize lever principle, substantially reduce the actuating force needed for switch folding, also maximally utilised inner space simultaneously, facilitate the component placement of inner space, realize when the highest explosion-proof performance, with the most practical, blast resistance construction easily, design is optimized to product.
Accompanying drawing explanation
Be described further below in conjunction with accompanying drawing:
Fig. 1 be the utility model remove after case lid, circuit breaker front view;
Fig. 2 is the cutaway view at the utility model A-A place;
Fig. 3 is the enlarged drawing at the utility model X place;
Fig. 4 is the utility model cut-away view;
Fig. 5 is the utility model transmission mechanism schematic diagram one;
Fig. 6 is the utility model transmission mechanism schematic diagram two.
The label that wherein component names is corresponding is as follows:
Switch 1, transmission mechanism 2, switch operation device 3, base plate 4, casing 5, case lid 6, circuit breaker 7, mounting bracket 8, pan carriage 9, swing pinion 10, first screw 11, teeth 12, toggle 13, opening 14, bayonet socket 15, through hole 16, left stamping 17, right stamping 18, lock hole 19, handle 20, second screw 21, esplosion isolating cover 22, flame proof spin axis 23, first sealing ring 24, second sealing ring 25, screw thread 26, first groove 27, second groove 28, jump ring 29, 3rd groove 30, 3rd screw 31, rotary sleeve 32, square shaft 33, axis hole 34.
Embodiment
As shown in Fig. 1,2,4, in the present embodiment, a kind of explosion-proof electrical distribution box, comprise casing 5, case lid 6, base plate 4, switch 1 and circuit breaker 7, the upper surface of described casing 5 is fixed with case lid 6 by some screws, the inside bottom surface of casing 5 is fixed with base plate 4, described base plate 4 is fixed with switch 1, the top of base plate 4 is fixed with some circuit breakers 7 by strutting piece, described switch 1 controls the folding of explosion-proof electrical distribution box by transmission mechanism 2 and the switch operation device 3 that is connected with transmission mechanism 2, and described switch operation device 3 is installed on left side or the right side of casing 5.
As Fig. 3, 5, 6 institutes are shown in above-mentioned distribution box, described transmission mechanism 2 comprises mounting bracket 8, pan carriage 9 and swing pinion 10, left stamping 17 and a right stamping 18 is respectively fixed with by the first screw about 11 in mounting bracket 8, two flange of pan carriage 9 are caught in described left stamping 17 and right stamping 18 respectively, the bottom of pan carriage 9 is provided with an opening 14, in opening 14, the toggle 13 of switch 1 is stated in insertion to some extent, the upper end kink array of pan carriage 9 has some bayonet sockets 15, described bayonet socket 15 engages with the teeth 12 of swing pinion 10, the inside of described swing pinion 10 is square through hole 16, through hole 16 has the periphery of lock hole 19 a to swing pinion 10 vertically upward.Described switch operation device 3 comprises handle 20, the inside of described handle 20 is fixed with the flame proof spin axis 23 being inserted into handle 20 inside by the second screw 21, flame proof spin axis 23 overcoat has esplosion isolating cover 22, be provided with screw thread 26 outside esplosion isolating cover 22 to fix with described casing 5, the other end of flame proof spin axis 23 is fixed with rotary sleeve 32 by the 3rd screw 31, and the rear side of the 3rd screw 31 is the axis hole 34 of rotary sleeve 32.The outer corner of described esplosion isolating cover 22 is provided with the first groove 27, first groove 27 built with the first sealing ring 24.The outer surface of described flame proof spin axis 23 is provided with the second groove 28 and flame proof spin axis 23 is fixed built with jump ring 29 built with the second sealing ring the 25, three groove 30 by the 3rd groove 30, second groove 28.The through hole 16 of described transmission mechanism 2 is fixedly connected with by square shaft 33 with the axis hole 34 of described switch operation device 3.
Above-described specific embodiment; the technical problem of solution of the present utility model, technical scheme and beneficial effect are further described; be understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment made, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.
Claims (6)
1. an explosion-proof electrical distribution box, comprise casing (5), case lid (6), base plate (4), switch (1) and circuit breaker (7), the upper surface of described casing (5) is fixed with case lid (6) by some screws, the inside bottom surface of casing (5) is fixed with base plate (4), described base plate (4) is fixed with switch (1), the top of base plate (4) is fixed with some circuit breakers (7) by strutting piece, it is characterized in that: described switch (1) controls the folding of explosion-proof electrical distribution box by transmission mechanism (2) and the switch operation device (3) that is connected with transmission mechanism (2), described switch operation device (3) is installed on left side or the right side of casing (5).
2. a kind of explosion-proof electrical distribution box as claimed in claim 1, it is characterized in that: described transmission mechanism (2) comprises mounting bracket (8), pan carriage (9) and swing pinion (10), a left stamping (17) and right stamping (18) is respectively fixed with by the first screw (11) left and right in mounting bracket (8), two flange of pan carriage (9) are caught in described left stamping (17) and right stamping (18) respectively, the bottom of pan carriage (9) is provided with an opening (14), the toggle (13) of switch (1) is stated in opening (14) interior insertion to some extent, the upper end kink array of pan carriage (9) has some bayonet sockets (15), described bayonet socket (15) engages with the teeth (12) of swing pinion (10), the inside of described swing pinion (10) is square through hole (16), through hole (16) has the periphery of a lock hole (19) to swing pinion (10) vertically upward.
3. a kind of explosion-proof electrical distribution box as claimed in claim 1, it is characterized in that: described switch operation device (3) comprises handle (20), the inside of described handle (20) is fixed with by the second screw (21) and is inserted into the inner flame proof spin axis (23) of handle (20), flame proof spin axis (23) overcoat has esplosion isolating cover (22), be provided with screw thread (26) outside esplosion isolating cover (22) to fix with described casing (5), the other end of flame proof spin axis (23) is fixed with rotary sleeve (32) by the 3rd screw (31), the rear side of the 3rd screw (31) is the axis hole (34) of rotary sleeve (32).
4. a kind of explosion-proof electrical distribution box as claimed in claim 3, is characterized in that: the outer corner of described esplosion isolating cover (22) is provided with the first groove (27), and the first groove (27) is built with the first sealing ring (24).
5. a kind of explosion-proof electrical distribution box as claimed in claim 3, it is characterized in that: the outer surface of described flame proof spin axis (23) is provided with the second groove (28) and the 3rd groove (30), second groove (28) is built with the second sealing ring (25), and flame proof spin axis (23) is fixed built with jump ring (29) by the 3rd groove (30).
6. a kind of explosion-proof electrical distribution box as claimed in claim 2 or claim 3, is characterized in that: the through hole (16) of described transmission mechanism (2) is fixedly connected with by square shaft (33) with the axis hole (34) of described switch operation device (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420828452.4U CN204290101U (en) | 2014-12-24 | 2014-12-24 | A kind of explosion-proof electrical distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420828452.4U CN204290101U (en) | 2014-12-24 | 2014-12-24 | A kind of explosion-proof electrical distribution box |
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| Publication Number | Publication Date |
|---|---|
| CN204290101U true CN204290101U (en) | 2015-04-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420828452.4U Active CN204290101U (en) | 2014-12-24 | 2014-12-24 | A kind of explosion-proof electrical distribution box |
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| Country | Link |
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| CN (1) | CN204290101U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107453233A (en) * | 2017-08-31 | 2017-12-08 | 绵阳鑫阳知识产权运营有限公司 | The small anti-explosion power distribution cabinet of multiple mounting modes |
| CN113488883A (en) * | 2021-08-05 | 2021-10-08 | 上海宝临防爆电器有限公司 | Explosion-proof box with explosion-proof surface |
-
2014
- 2014-12-24 CN CN201420828452.4U patent/CN204290101U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107453233A (en) * | 2017-08-31 | 2017-12-08 | 绵阳鑫阳知识产权运营有限公司 | The small anti-explosion power distribution cabinet of multiple mounting modes |
| CN113488883A (en) * | 2021-08-05 | 2021-10-08 | 上海宝临防爆电器有限公司 | Explosion-proof box with explosion-proof surface |
| CN113488883B (en) * | 2021-08-05 | 2024-06-14 | 上海宝临防爆电器有限公司 | Explosion-proof box with explosion-proof surface |
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| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 314002, No. 1, Qixing Road, Qixing Town, Nanhu District, Zhejiang, Jiaxing Patentee after: Chuangzheng Electric Co., Ltd. Address before: 314002, No. 1, Qixing Road, Qixing Town, Nanhu District, Zhejiang, Jiaxing Patentee before: CZ Explosion-proof Electric Appliances Co., Ltd. |