CN215934201U - Positive pressure type explosion-proof power distribution cabinet - Google Patents
Positive pressure type explosion-proof power distribution cabinet Download PDFInfo
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- CN215934201U CN215934201U CN202122470046.8U CN202122470046U CN215934201U CN 215934201 U CN215934201 U CN 215934201U CN 202122470046 U CN202122470046 U CN 202122470046U CN 215934201 U CN215934201 U CN 215934201U
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Abstract
The utility model discloses a positive pressure type explosion-proof power distribution cabinet, which comprises an explosion-proof box body, wherein through holes are symmetrically formed in the bottom of the explosion-proof box body, and pressure reducing devices are symmetrically arranged at the bottom of the explosion-proof box body; pressure relief device is including connecting the lantern ring, and adapter collar fixed mounting is in the bottom of explosion-proof box, and the fixed cover of the inner chamber of adapter collar has connect the gasbag, and the inner chamber of gasbag and the inner chamber of through-hole communicate each other, and the bottom of gasbag is provided with the limiting plate, and the bottom of limiting plate is the annular array equidistance and is provided with a plurality of springs, and the bottom of the adapter collar is a plurality of connecting rods of annular array equidistance fixedly connected with. According to the utility model, by utilizing the arrangement mode of the pressure reducing device, the pressure reducing device comprises the air bag, the limiting plate, the spring and the positioning plate, and the inner cavity of the air bag is communicated with the inner cavity of the explosion-proof box body, so that when the pressure inside the explosion-proof box body is increased, the pressure inside the air bag is increased, and thus the pressure reducing protection can be carried out on the explosion-proof box body under the action of the spring and the limiting plate, and the practical performance of the explosion-proof box body is improved.
Description
Technical Field
The utility model relates to the field of power distribution cabinets, in particular to a positive pressure type explosion-proof power distribution cabinet.
Background
The positive pressure type explosion-proof power distribution cabinet adopts a GGD power distribution cabinet frame and adopts a main and auxiliary disk structure, the whole cabinet comprises a ventilation system, a pressure detection sensing system, an automatic control system, a ventilation system, a measuring system and an electric system product, and a detection instrument, an analysis instrument, a display instrument, a low-voltage apparatus, a frequency converter, a soft starter or a computer control system can be arranged in the interior of the product, can be used as a central signal processing system and a central control system protection device, the control cabinet is provided with a ventilation and power transmission point interlocking device, and can automatically transmit power only after reaching the specified ventilation time, the cabinet adopts a cable trench seat installation mode, and users need to be equipped with clean or inert gas sources to install the cabinet side by side and operate the cabinet online.
Because the explosion-proof switch board of positive pressure type is sealed to when pouring into clean or inert gas air supply into the inside of explosion-proof switch board of positive pressure type, can be because of the increase of the inside pressure of explosion-proof switch board of positive pressure type, thereby lead to the explosion-proof switch board of positive pressure type the condition of damage that breaks to reduce its practicality.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a positive pressure type explosion-proof power distribution cabinet to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a positive pressure type explosion-proof power distribution cabinet comprises an explosion-proof box body, wherein through holes are symmetrically formed in the bottom of the explosion-proof box body, and pressure reducing devices are symmetrically arranged at the bottom of the explosion-proof box body;
pressure relief device is including the connection lantern ring, connection lantern ring fixed mounting is in the bottom of explosion-proof box, the fixed cover of the inner chamber of connection lantern ring has connect the gasbag, the inner chamber of gasbag and the inner chamber of through-hole communicate each other, the bottom of gasbag is provided with the limiting plate, the bottom of limiting plate is the ring array equidistance and is provided with a plurality of springs.
Preferably, the bottom of the connecting lantern ring is a plurality of connecting rods of annular array equidistance fixedly connected with, the outer wall and the limiting plate of connecting rod slip interlude and cup joint, the outer wall and the spring slip of limiting plate cup joint.
Preferably, the outer wall of the connecting rod is sleeved with a positioning plate in a sliding and penetrating mode, and the positioning plate is located at the bottom of the spring.
Preferably, the outer wall of locating plate is that annular array equidistance screw thread alternates and has cup jointed positioning bolt, a plurality of draw-in grooves have been seted up to one side equidistance of connecting rod, the inner chamber slip joint of the one end of positioning bolt outer wall and draw-in groove.
Preferably, the top fixedly connected with of the connection lantern ring seals up the leather packing, the bottom of the connection lantern ring is that the annular array equidistance is provided with a plurality of fixing bolt, the outer wall of the connection lantern ring passes through fixing bolt and explosion-proof box fixed connection.
Preferably, the bottom of the explosion-proof box body is fixedly connected with a supporting frame, two protective covers are arranged inside the supporting frame, and the protective covers are sleeved outside the pressure reducing device.
Preferably, the top of protection casing outer wall is fixed to be cup jointed the position lantern ring, the bottom of position lantern ring is the annular array equidistance and is provided with a plurality of connecting bolt, the position lantern ring passes through connecting bolt and explosion-proof box fixed connection.
The utility model has the technical effects and advantages that:
(1) according to the utility model, by utilizing the arrangement mode of the pressure reducing device, the pressure reducing device comprises the air bag, the limiting plate, the spring and the positioning plate, and the inner cavity of the air bag is communicated with the inner cavity of the explosion-proof box body, so that when the pressure inside the explosion-proof box body is increased, the pressure inside the air bag is increased, and the pressure reducing device can be subjected to pressure reducing protection under the action of the spring and the limiting plate, thereby improving the practical performance;
(2) the positioning plate and the connecting rod are matched for use, and the plurality of positioning bolts are arranged outside the positioning plate, so that the positioning bolts are in sliding clamping connection with the clamping grooves at different positions of the connecting rod, the position of the positioning plate can be changed, the initial position of the spring is changed, the airbag is under different pressures to reduce the pressure inside the explosion-proof box body, and the practical performance of the explosion-proof box body is improved.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
FIG. 2 is a schematic view of the internal structure of the front part of the present invention.
FIG. 3 is a front internal view of the portion of the connecting rod according to the utility model.
In the figure: 1. an explosion-proof box body; 2. a through hole; 3. a pressure reducing device; 31. a connecting lantern ring; 32. an air bag; 33. a limiting plate; 34. a spring; 35. a connecting rod; 36. positioning a plate; 37. positioning the bolt; 38. a card slot; 39. sealing the leather pad; 310. fixing the bolt; 4. a protective cover; 5. a positioning collar; 6. a connecting bolt; 7. a frame is supported.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides a positive pressure type explosion-proof power distribution cabinet as shown in figures 1-3, which comprises an explosion-proof box body 1, wherein through holes 2 are symmetrically formed in the bottom of the explosion-proof box body 1, and pressure reducing devices 3 are symmetrically arranged at the bottom of the explosion-proof box body 1.
The pressure reducing device 3 comprises a connecting lantern ring 31, the connecting lantern ring 31 is fixedly arranged at the bottom of the explosion-proof box body 1, an air bag 32 is fixedly sleeved in an inner cavity of the connecting lantern ring 31, the inner cavity of the air bag 32 is communicated with an inner cavity of the through hole 2, after the pressure of an air source of clean or inert gas is introduced into the explosion-proof box body 1 is increased, the pressure inside the air bag 32 is increased, a plurality of springs 34 can give elastic extrusion force to the air bag 32 through a limiting plate 33, the air bag 32 is increased and extrudes the limiting plate 33 to properly perform pressure reduction protection on the interior of the explosion-proof box body 1, the limiting plate 33 is arranged at the bottom of the air bag 32, the plurality of springs 34 are arranged at the bottom of the limiting plate 33 in an annular array at equal intervals, a plurality of connecting rods 35 are fixedly connected at the bottom of the connecting lantern ring 31 in an annular array at equal intervals, the outer walls of the connecting rods 35 are slidably inserted and sleeved with the limiting plate 33, and the outer walls of the limiting plate 33 are slidably sleeved with the springs 34, locating plate 36 has been cup jointed to the outer wall sliding interlude of a plurality of connecting rods 35, not hard up positioning bolt 37, remove the position of locating plate 36, just can change the position of spring 34 bottom, thereby under the unchangeable circumstances of explosion-proof box 1 inside pressure, just can change spring 34 and give gasbag 32's elastic pressure through limiting plate 33, thereby be in the pressure state of difference and carry out the decompression protection to explosion-proof box 1, locating plate 36 is located spring 34's bottom, positioning bolt 37 has been cup jointed to the outer wall of locating plate 36 for the equidistant screw thread of annular array, a plurality of draw-in grooves 38 have been seted up to one side equidistance of connecting rod 35, the one end of positioning bolt 37 outer wall and the inner chamber slip joint of draw-in groove 38.
The top fixedly connected with of the connection lantern ring 31 seals up leather packing 39, and the bottom of the connection lantern ring 31 is the annular array equidistance and is provided with a plurality of fixing bolt 310, and the outer wall of the connection lantern ring 31 passes through fixing bolt 310 and explosion-proof box 1 fixed connection.
Bottom fixedly connected with braced frame 7 of explosion-proof box 1, braced frame 7's inside is provided with two protection casings 4, protection casing 4 is the net shape, thereby carry out the protection of certain degree to pressure relief device 3, and can not influence pressure relief device 3's normal work, pressure relief device 3's outside is located to 4 covers of protection casing, the fixed position lantern ring 5 that has cup jointed in top of 4 outer walls of protection casing, the bottom of the position lantern ring 5 is the annular array equidistance and is provided with a plurality of connecting bolt 6, the position lantern ring 5 passes through connecting bolt 6 and 1 fixed connection of explosion-proof box.
The working principle of the utility model is as follows: when the explosion-proof box body is used, firstly, the position of the positioning plate 36 is adjusted according to the pressure inside the explosion-proof box body 1, namely, the initial pressure of the spring 34 on the limiting plate 33 is adjusted, the positioning bolt 37 is loosened, one end of the positioning bolt 37 is separated from the clamping grooves 38 on the connecting rods 35, then the positioning plate 36 is pushed to slide on the connecting rods 35, so that the bottom position of the spring 34 is changed, then the positioning bolt 37 is fastened, the positioning bolt 37 is in sliding clamping connection with the clamping grooves 38 at the corresponding positions on the connecting rods 35, then the protective cover 4 is fixed at the bottom of the explosion-proof box body 1 by using the positioning lantern ring 5 and the connecting bolt 6, and the pressure reducing device 3 is protected.
When explosion-proof box 1 is inside when filling clean or inert gas air supply, the inside pressure of explosion-proof box 1 and the inside pressure reinforcing of gasbag 32 to gasbag 32 extrudees limiting plate 33, and under a plurality of springs 34's effect, limiting plate 33 has an elastic extrusion force to gasbag 32, thereby along with explosion-proof box 1 inside pressure constantly increases, gasbag 32 constantly extrudees limiting plate 33, thereby protects explosion-proof box 1 is inside to carry out the decompression.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.
Claims (7)
1. A positive pressure type explosion-proof power distribution cabinet comprises an explosion-proof box body (1), and is characterized in that through holes (2) are symmetrically formed in the bottom of the explosion-proof box body (1), and pressure reducing devices (3) are symmetrically arranged at the bottom of the explosion-proof box body (1);
pressure relief device (3) are including connecting lantern ring (31), connect lantern ring (31) fixed mounting in the bottom of explosion-proof box (1), gasbag (32) have been cup jointed to the lumen fixation of the lantern ring (31), the inner chamber of gasbag (32) and the inner chamber of through-hole (2) communicate each other, the bottom of gasbag (32) is provided with limiting plate (33), the bottom of limiting plate (33) is the annular array equidistance and is provided with a plurality of springs (34).
2. The positive pressure type explosion-proof power distribution cabinet according to claim 1, wherein the bottom of the connecting sleeve ring (31) is in an annular array and fixedly connected with a plurality of connecting rods (35) at equal intervals, the outer wall of each connecting rod (35) is slidably inserted and sleeved with the limiting plate (33), and the outer wall of each limiting plate (33) is slidably sleeved with the spring (34).
3. The explosion-proof switch board of a positive pressure type according to claim 2, characterized in that a positioning plate (36) is slidably inserted and sleeved on the outer wall of a plurality of the connecting rods (35), and the positioning plate (36) is located at the bottom of the spring (34).
4. The positive pressure type explosion-proof power distribution cabinet according to claim 3, wherein the outer wall of the positioning plate (36) is in an annular array and is threaded at equal intervals, a positioning bolt (37) is inserted and sleeved in the annular array and is threaded at equal intervals, a plurality of clamping grooves (38) are formed in one side of the connecting rod (35) at equal intervals, and one end of the outer wall of the positioning bolt (37) is in sliding clamping connection with the inner cavity of each clamping groove (38).
5. The positive pressure type explosion-proof power distribution cabinet according to claim 1, wherein a sealing leather gasket (39) is fixedly connected to the top of the connecting sleeve ring (31), a plurality of fixing bolts (310) are equidistantly arranged in an annular array at the bottom of the connecting sleeve ring (31), and the outer wall of the connecting sleeve ring (31) is fixedly connected with the explosion-proof box body (1) through the fixing bolts (310).
6. The positive pressure type explosion-proof power distribution cabinet according to claim 1, wherein a supporting frame (7) is fixedly connected to the bottom of the explosion-proof cabinet body (1), two protective covers (4) are arranged inside the supporting frame (7), and the protective covers (4) are sleeved outside the pressure reducing device (3).
7. The positive pressure type explosion-proof power distribution cabinet according to claim 6, wherein a positioning sleeve ring (5) is fixedly sleeved at the top of the outer wall of the protective cover (4), a plurality of connecting bolts (6) are equidistantly arranged at the bottom of the positioning sleeve ring (5) in an annular array, and the positioning sleeve ring (5) is fixedly connected with the explosion-proof box body (1) through the connecting bolts (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122470046.8U CN215934201U (en) | 2021-10-13 | 2021-10-13 | Positive pressure type explosion-proof power distribution cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122470046.8U CN215934201U (en) | 2021-10-13 | 2021-10-13 | Positive pressure type explosion-proof power distribution cabinet |
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| Publication Number | Publication Date |
|---|---|
| CN215934201U true CN215934201U (en) | 2022-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122470046.8U Active CN215934201U (en) | 2021-10-13 | 2021-10-13 | Positive pressure type explosion-proof power distribution cabinet |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114916165A (en) * | 2022-03-03 | 2022-08-16 | 合肥九思机械设计有限公司 | 5G communication explosion-proof equipment of intelligent cooling pressure release |
-
2021
- 2021-10-13 CN CN202122470046.8U patent/CN215934201U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114916165A (en) * | 2022-03-03 | 2022-08-16 | 合肥九思机械设计有限公司 | 5G communication explosion-proof equipment of intelligent cooling pressure release |
| CN114916165B (en) * | 2022-03-03 | 2024-01-23 | 深圳市臻善通信技术有限公司 | Intelligent cooling and pressure relief 5G communication explosion-proof equipment |
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