CN111703224B - Positive pressure explosion-proof box body three-dimensional frame - Google Patents
Positive pressure explosion-proof box body three-dimensional frame Download PDFInfo
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- CN111703224B CN111703224B CN202010456434.8A CN202010456434A CN111703224B CN 111703224 B CN111703224 B CN 111703224B CN 202010456434 A CN202010456434 A CN 202010456434A CN 111703224 B CN111703224 B CN 111703224B
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- shaped
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- shaped rod
- rods
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/12—Guards, shields or dust excluders
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/062—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces characterised by the geometry of the seat
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Mechanical Engineering (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The three-dimensional frame of the explosion-proof box body comprises two plane frames and four upright posts, wherein the plane frames are formed by connecting two I-shaped rods and two II-shaped rods; the first surface of the I-shaped rod is provided with a straight groove; the end face of the II-type rod is provided with an arc groove; the second faces of the two I-shaped rods and the second faces of the two II-shaped rods of each plane frame are spliced to form an annular top face or an annular bottom face; the first surfaces of two II-type rods on the same side of the two plane frames are spliced with the second surfaces of two I-type rods serving as stand columns to form an annular front surface or an annular rear surface; the first face of each I-shaped rod on the same side on the two plane frames is spliced with the first face of each I-shaped rod serving as an upright post and the end faces of each II-shaped rod on the two plane frames to form an annular side face, a straight groove on the I-shaped rod and an arc groove on the end faces of the II-shaped rods enclose to form a sealing groove, and a plurality of magnetic block holes are formed in the annular side face. The utility model adopts the structure that the two structural molded bars are spliced and connected by the screw, has strong bearing capacity, good sealing effect and simple processing and installation.
Description
Technical Field
The utility model relates to a three-dimensional frame of an explosion-proof box body.
Background
In dangerous places containing environments such as explosive gas, steam mixture, or combustible dust, some key data of the site needs to be recorded in paper form through a printer, and the contents of data and instruction transmission can be printed on the site through remote communication. Since the printer head of the printer can generate instantaneous high temperature and high energy, the exposed printer works in dangerous places, and can ignite flammable gas and dust. Conventional explosion proof equipment must be placed in the explosion proof housing and isolated from the outside hazardous locations, so it is contemplated that the printer will be in the explosion proof housing. The utility model of Chinese patent application number 201220337153.1 introduces a motorcycle packing box body, which consists of an upper frame, a bottom frame and a plurality of upright posts arranged between the upper frame and the bottom frame to form a hollow three-dimensional frame structure; the upper frame is an integral frame, and is formed by bending an upper frame section bar to form a rectangular structure and then connecting two ends. All adopt the metal structure, form a whole through welding or bolted connection each other. Said utility model is a packing box body, and has no requirement for explosion-proofing, and its three-dimensional frame only has the function of bearing load. If welding is used for the connection between the components, the workload is great and the components are easy to deform.
Disclosure of Invention
The utility model aims to provide a positive pressure explosion-proof box body three-dimensional frame which is simple to install and is used for protecting a box body by pressure relief overload.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model comprises two plane frames and four upright posts connected between the two plane frames, wherein the plane frames are formed by connecting two I-shaped rods and two II-shaped rods, and the upright posts are I-shaped rods; the first surface of the I-shaped rod is provided with a straight groove penetrating through two ends, and the surface far away from the straight groove and perpendicular to the first surface of the I-shaped rod is a second surface of the I-shaped rod; the end face of the II type rod is provided with an arc groove, and two perpendicular surfaces opposite to the arc groove are respectively a first surface of the II type rod and a second surface of the II type rod; the second faces of the two I-shaped rods and the second faces of the two II-shaped rods of each plane frame are spliced to form an annular top face or an annular bottom face; the first surfaces of the two II-type rods on the same side of the two plane frames are spliced with the second surfaces of the two I-type rods serving as the stand columns to form an annular front surface or an annular rear surface; the first surface of each I-shaped rod on the same side of the two plane frames is spliced with the first surfaces of the two I-shaped rods on the same side, which are used as stand columns, and the end surfaces of each II-shaped rod on the two plane frames to form annular side surfaces; a straight groove on the first surface of the four I-shaped rods forming each annular side surface and an arc groove on the end surface of the four II-shaped rods form a sealing groove in a surrounding and forming mode, and a plurality of magnetic block holes are formed in one annular side surface of the two annular side surfaces.
The flange is arranged at the junction of the first surface of the I-shaped rod and the second surface of the I-shaped rod, the flange is arranged at the junction of the first surface of the II-shaped rod and the second surface of the II-shaped rod, the junction of the first surface of the II-shaped rod and the end surface of the II-shaped rod and the junction of the second surface of the II-shaped rod and the end surface of the II-shaped rod, the flanges on the II-shaped rod are connected into a whole, the flanges on the I-shaped rod and the II-shaped rod are spliced together, and an edge ring body is respectively formed at the top surface, the bottom surface, the front surface, the back surface and the two side surfaces.
The two I-shaped rods and the two II-shaped rods of the plane frame are connected through first screws, and the plane frame is connected with the upright column through second screws.
The utility model has the following positive effects: the three-dimensional frame does not adopt welding, does not have deformation of the traditional frame caused by welding, and increases the sealing effect for the box body using the three-dimensional frame. The three-dimensional frame adopts a structure that two types of rods are spliced and connected by screws, has strong bearing capacity, and is reliable and simple to process and install. The case cover of the explosion-proof case body using the three-dimensional frame is magnetically attracted on the three-dimensional frame, when the pressure in the case body cavity is applied to the case cover and is larger than the attractive force of the magnetic attraction, the case cover is partially opened, so that the case body cavity is increased with an air leakage point, the explosion-proof cavity is rapidly decompressed, and the case cover is not damaged. And the welding is not needed, so that energy conservation is facilitated.
Drawings
Fig. 1 is an overall perspective view of embodiment 1.
Fig. 2 is a view of a planar frame.
Fig. 3 is a perspective view of the type i lever.
Fig. 4 is an end view of a type i rod.
FIG. 5 is a cross-sectional view of a type I bar.
Fig. 6 is a perspective view of a type ii lever.
Fig. 7 is an end view of a type ii rod.
FIG. 8 is a cross-sectional view of a type II rod.
The reference numerals are as follows: the device comprises a plane frame 10, upright posts 20, annular side faces 1, annular top faces 2, annular front faces 3, sealing grooves a, magnetic block holes b, I-shaped rods E, II-shaped rods F, flanges K, straight grooves L1 and circular arc grooves L2.
Detailed Description
Example 1
Referring to fig. 1 to 8, the present embodiment includes two planar frames 10 each formed by connecting two i-type rods E and two ii-type rods F by first screws 4, the two planar frames 10 are connected by four columns 20 by second screws 5, and the columns 20 adopt the i-type rods E.
Straight grooves L-1 penetrating through two ends are formed in the first face E-1 of the I-shaped rod, the face perpendicular to the first face E-1 of the I-shaped rod, far away from the straight grooves L-1, is a second face E-2 of the I-shaped rod, and a flange K is arranged at the junction of the first face E-1 of the I-shaped rod and the second face E-2 of the I-shaped rod.
The two perpendicular surfaces opposite to the arc groove L-2 are respectively a first surface F-1 of the II type rod and a second surface F-2 of the II type rod, the junction of the first surface F-1 of the II type rod and the second surface F-3 of the II type rod, and the junction of the second surface F-2 of the II type rod and the second surface F-3 of the II type rod are respectively provided with a flange K, and the flanges K on the II type rod are connected into a whole.
The two I-shaped rod second surfaces E-2 and the two II-shaped rod second surfaces F-2 of the upper plane frame 10 are spliced to form an annular top surface 2 of the three-dimensional frame; the two I-shaped rod second surfaces E-2 and the two II-shaped rod second surfaces F-2 of the lower plane frame 10 are spliced to form an annular bottom surface of the three-dimensional frame.
The two II-type rod first surfaces F-1 on the front sides of the two plane frames 10 are spliced with the two I-type rod second surfaces E-2 serving as the upright posts 20 to form an annular front surface 3 of the three-dimensional frame; the two second faces F-1 of the two second type poles on the rear side of the two planar frames 10 are joined to the two second faces E-2 of the two second type poles as uprights 20 to form an annular rear face of the three-dimensional frame.
The first surface E-1 of each I-shaped rod on the same left side on the two plane frames 10 is spliced with the first surface E-1 of each I-shaped rod on the same side as the upright post 20 and the end surface F-3 of each II-shaped rod on the two plane frames 10 to form an annular side surface 1 of the three-dimensional frame; the first face E-1 of each I-shaped rod on the right side of the two plane frames 10 is spliced with the first faces E-1 of the two I-shaped rods on the same side as the upright posts 20 and the end faces F-3 of each II-shaped rod on the two plane frames 10 to form the other annular side face 1 of the three-dimensional frame.
The flanges K on the I-shaped rod E and the II-shaped rod F are spliced to form a top surface edge ring body, a bottom surface edge ring body, a front surface edge ring body, a rear surface edge ring body and two side surface edge ring bodies.
The two annular side faces 1 are respectively provided with a sealing groove a, each sealing groove a is formed by enclosing a straight groove L-1 on four I-shaped rods E forming the annular side face 1 and an arc groove L-2 on the end faces of four II-shaped rods, and each sealing groove a is used for embedding a sealing ring.
The four I-shaped rods E forming one annular side face 1 are respectively provided with a plurality of magnetic block holes b, the magnetic block holes b are annularly arranged around the annular groove a, the magnetic block holes b are used for fixing magnetic blocks, and the number of the magnetic block holes is required to meet the requirement of using the positive pressure explosion-proof box body of the three-dimensional frame.
The connection screw adopts the burial head type, and the connection of plane frame 10 is by first screw 4 from II type pole first face F-1 screw in to the terminal surface of I type pole, and the connection of plane frame 10 and stand 20 is by second screw 5 from II type pole second face F-2 screw in to the terminal surface of I type pole as the stand.
When the three-dimensional frame is applied, the corresponding surfaces of the three-dimensional frame are respectively provided with a box plate to form a box body. The top box plate is embedded in the top surface edge ring and glued on the annular top surface 2, the bottom box plate is embedded in the bottom surface edge ring and glued on the annular bottom surface, the front box plate is embedded in the front edge ring and glued on the annular front surface 3, and the rear box plate is embedded in the rear edge ring and glued on the annular rear surface. A cover is provided on one annular side with magnet holes b, which is located in the side edge ring and magnetically attracted to the annular side 1 and presses against the sealing ring. The side box plate is detachably connected to the annular side face of the other side of the three-dimensional frame through screws and is tightly pressed against the sealing ring.
The case cover of the explosion-proof case body using the three-dimensional frame is magnetically attracted on the three-dimensional frame, and when the case cavity, namely the explosion-proof chamber, is in a positive pressure state, namely the pressure in the case cavity is higher than the pressure outside the case cavity, the inside of the explosion-proof chamber is regarded as a safety area at the moment. If the internal pressure of the explosion-proof cavity is abnormal and larger than a set value, the internal pressure is applied to the box cover and is larger than the magnetic attraction force of the magnetic attraction block, so that the box cover is partially opened, an air leakage point is increased in the explosion-proof cavity, the explosion-proof cavity is rapidly decompressed, and the box body applying the three-dimensional frame has a decompression overload protection function. When the internal equipment fails or needs to be overhauled normally, the power supply of the internal equipment is cut off to stop working, after unlocking, the magnetic attraction force larger than that of the magnetic attraction block is manually applied, and the box cover can be quickly opened to perform corresponding operation.
The above embodiments are only for illustrating the present utility model and not for limiting the technical solution described in the present utility model; thus, although the present utility model has been described in detail with reference to the above embodiments, it will be understood by those skilled in the art that the present utility model may be modified or equivalent; all technical solutions and modifications thereof that do not depart from the spirit and scope of the present utility model are intended to be included in the scope of the appended claims.
Claims (3)
1. The utility model provides an explosion-proof box solid frame, includes two plane frame (10) and connects four stand (20) between two plane frame (10), its characterized in that: the plane frame (10) is formed by connecting two I-shaped rods (E) and two II-shaped rods (F), and the upright post (20) is the I-shaped rod (E); straight grooves (L-1) penetrating through two ends are formed in the first surface (E-1) of the I-shaped rod, and a surface, which is far away from the straight grooves (L-1) and is perpendicular to the first surface (E-1) of the I-shaped rod, is a second surface (E-2) of the I-shaped rod; the end face (F-3) of the II type rod is provided with an arc groove (L-2), and two perpendicular surfaces opposite to the arc groove (L-2) are respectively a first surface (F-1) of the II type rod and a second surface (F-2) of the II type rod; the two I-shaped rod second surfaces (E-2) of each plane frame (10) are spliced with the two II-shaped rod second surfaces (F-2) to form an annular top surface (2) or an annular bottom surface; the two II-type rod first surfaces (F-1) on the same side of the two plane frames (10) are spliced with the two I-type rod second surfaces (E-2) serving as the stand columns (20) to form an annular front surface (3) or an annular rear surface; the first surface (E-1) of each I-shaped rod on the same side of the two plane frames (10) is spliced with the first surface (E-1) of each I-shaped rod on the same side of the two I-shaped rods serving as the upright posts (20) and the end surfaces (F-3) of each II-shaped rod on the two plane frames (10) to form an annular side surface (1); a sealing groove (a) is formed by encircling a straight groove (L-1) on a first surface (E-1) of four I-shaped rods and an arc groove (L-2) on an end surface (F-3) of four II-shaped rods on each annular side surface (1), and a plurality of magnetic block holes (b) are formed in one annular side surface of the two annular side surfaces (1).
2. The explosion proof box space frame of claim 1, wherein: the flange (K) is arranged at the junction of the first surface (E-1) of the I-type rod and the second surface (E-2) of the I-type rod, the flange (K) is spliced with the flange (K) on the II-type rod, and the edge ring body is formed on the top surface, the bottom surface, the front surface, the back surface and the two side surfaces of the flange.
3. The explosion proof box space frame of claim 1, wherein: the two I-shaped rods (E) and the two II-shaped rods (F) of the plane frame (10) are connected through a first screw (4), and the plane frame (10) is connected with the upright post (20) through a second screw (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010456434.8A CN111703224B (en) | 2020-05-26 | 2020-05-26 | Positive pressure explosion-proof box body three-dimensional frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010456434.8A CN111703224B (en) | 2020-05-26 | 2020-05-26 | Positive pressure explosion-proof box body three-dimensional frame |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111703224A CN111703224A (en) | 2020-09-25 |
| CN111703224B true CN111703224B (en) | 2023-10-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010456434.8A Active CN111703224B (en) | 2020-05-26 | 2020-05-26 | Positive pressure explosion-proof box body three-dimensional frame |
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| CN (1) | CN111703224B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2240215A1 (en) * | 1998-06-10 | 1999-12-10 | G. Scott Muddiman | Explosion door with improved magnetic latch |
| EP1645714A1 (en) * | 2004-10-08 | 2006-04-12 | Sälzer Sicherheitstechnik GmbH | Connection between panel and frame |
| CN202642521U (en) * | 2012-07-12 | 2013-01-02 | 重庆生源包装制品有限公司 | Motorcycle packing case body |
| CN105848444A (en) * | 2016-05-19 | 2016-08-10 | 武汉华飞龙电子有限责任公司 | Novel cabinet |
| CN205939463U (en) * | 2016-08-17 | 2017-02-08 | 江苏捷诚车载电子信息工程有限公司 | Outer quick -witted installation frame of air conditioner |
| CN206829973U (en) * | 2017-06-17 | 2018-01-02 | 衡水金盾门业有限公司 | A kind of explosion release window that can be closed automatically |
| CN110386372A (en) * | 2019-07-24 | 2019-10-29 | 美安士工业科技(上海)有限公司 | A kind of fire safe type storage box |
| CN212765357U (en) * | 2020-05-26 | 2021-03-23 | 常州市盛和电子有限公司 | Positive pressure explosion-proof box body three-dimensional frame |
-
2020
- 2020-05-26 CN CN202010456434.8A patent/CN111703224B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2240215A1 (en) * | 1998-06-10 | 1999-12-10 | G. Scott Muddiman | Explosion door with improved magnetic latch |
| EP1645714A1 (en) * | 2004-10-08 | 2006-04-12 | Sälzer Sicherheitstechnik GmbH | Connection between panel and frame |
| CN202642521U (en) * | 2012-07-12 | 2013-01-02 | 重庆生源包装制品有限公司 | Motorcycle packing case body |
| CN105848444A (en) * | 2016-05-19 | 2016-08-10 | 武汉华飞龙电子有限责任公司 | Novel cabinet |
| CN205939463U (en) * | 2016-08-17 | 2017-02-08 | 江苏捷诚车载电子信息工程有限公司 | Outer quick -witted installation frame of air conditioner |
| CN206829973U (en) * | 2017-06-17 | 2018-01-02 | 衡水金盾门业有限公司 | A kind of explosion release window that can be closed automatically |
| CN110386372A (en) * | 2019-07-24 | 2019-10-29 | 美安士工业科技(上海)有限公司 | A kind of fire safe type storage box |
| CN212765357U (en) * | 2020-05-26 | 2021-03-23 | 常州市盛和电子有限公司 | Positive pressure explosion-proof box body three-dimensional frame |
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| Publication number | Publication date |
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| CN111703224A (en) | 2020-09-25 |
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