CN216078463U - Pressure relief device for switch cabinet - Google Patents
Pressure relief device for switch cabinet Download PDFInfo
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- CN216078463U CN216078463U CN202122663948.3U CN202122663948U CN216078463U CN 216078463 U CN216078463 U CN 216078463U CN 202122663948 U CN202122663948 U CN 202122663948U CN 216078463 U CN216078463 U CN 216078463U
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- pressure release
- pressure
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Abstract
The utility model belongs to the field of pressure relief, and particularly relates to a pressure relief device for a switch cabinet, which comprises a pressure relief pipe; the utility model discloses a pressure relief device, including pressure relief pipe, sliding connection, two sets of draw-in grooves, sliding bar, sealing assembly, backup pad, pressure relief pipe's outside fixed mounting has a backup pad, the one end of pressure relief pipe is the opening setting, and the inboard sliding connection pressure relief piece of pressure relief pipe, two sets of spread grooves have been seted up in the outside of pressure relief pipe, the bottom middle part fixed mounting of pressure relief piece has the sliding sleeve, and fixedly connected with a plurality of groups spring beam between the inboard of pressure relief piece and pressure relief pipe, two sets of draw-in grooves have been seted up in the outside of sliding sleeve, and the outside of sliding bar is provided with fixed subassembly, runs through the outside of backup pad is provided with a plurality of groups of gim pegs, the outside of pressure relief pipe is provided with seal assembly, has solved general pressure relief device and has used the fusing mechanism, leads to just scrapping completely after once using, can's problem to the reuse function of device has been realized.
Description
Technical Field
The utility model relates to the field of pressure relief, in particular to a pressure relief device for a switch cabinet.
Background
The switch cabinet is an electrical appliance, and has the main functions that an external circuit is placed in the switch cabinet, and the whole circuit is controlled through the switch cabinet;
in the course of the work of cubical switchboard, lead to the inside temperature of cubical switchboard to rise because of the short circuit of single circuit easily, lead to internal pressure too high, if not in time exhaust pressure, lead to the cubical switchboard to explode easily.
The existing pressure relief for the switch cabinet often uses a fusing mechanism, so that the switch cabinet is completely scrapped after being used once and cannot be used continuously; therefore, a pressure relief device for a switch cabinet is provided to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In order to make up for the defects of the prior art and solve the problem that a general pressure relief device is completely scrapped after being used once and cannot be used continuously, the utility model provides a pressure relief device for a switch cabinet.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model relates to a pressure relief device for a switch cabinet, which comprises a pressure relief pipe; the outside fixed mounting of pressure release pipe has the backup pad, the one end of pressure release pipe is the opening setting, and the inboard sliding connection pressure release piece of pressure release pipe, two sets of spread grooves have been seted up in the outside of pressure release pipe, the bottom middle part fixed mounting of pressure release piece has the sliding sleeve, and a plurality of groups of spring levers of fixedly connected with between the inboard of pressure release piece and pressure release pipe, two sets of draw-in grooves have been seted up in the outside of sliding sleeve, and the outside of slide bar is provided with fixed subassembly, runs through the outside of backup pad is provided with a plurality of groups of gim pegs, has solved general pressure relief device and has used the fusing mechanism, leads to just scrapping completely after once using, the unable problem that continues the use to the reuse function of device has been realized.
Preferably, the outside of pressure release pipe is provided with seal assembly, seal assembly includes contact cover and trachea, the trachea is located the inboard of contact cover, the one end of contact cover and the outside fixed connection of pressure release pipe run through tracheal one side is connected with the transmission pipe, the outside fixed mounting of backup pad has the valve inside, and the backup pad is provided with communicating pipe with the inboard of pressure release pipe, the valve inside is located the one end of communicating pipe, the other end and the transmission pipe of communicating pipe are connected, have made things convenient for the connection process of device and cubical switchboard, have guaranteed the leakproofness of connecting simultaneously, have solved the connection in-process, need accurately set up the groove unanimous with the device, lead to carrying out measuring work many times for consume the problem of plenty of time.
Preferably, the slide bar is two segmentation settings, two sets of spliced poles of fixedly connected with and two sets of fixed plates between two sections slide bars, and fixed subassembly includes two sets of card arms, the one end fixed mounting of card arm has the pivot, pivot and slide bar swing joint, and one side fixed mounting who blocks the arm have the spring strip, the one end and the fixed plate fixed connection of spring strip, the during operation, after the card arm removes the position of draw-in groove, the cooperation spring strip outwards pops out the card arm, can let the card arm card go into in the draw-in groove, realizes quick effectual fixed process.
Preferably, the outside of card arm is the arc setting, and the outside sliding connection a plurality of groups of sliding balls of card arm, and the during operation, the setting of cooperation sliding ball can reduce the friction of card arm and sliding sleeve inboard, lets the slide bar can be unblocked slide in the sliding sleeve inboard.
Preferably, the inboard fixed mounting of contact cover has the metal strip, and the outside of contact cover is the setting of coarse form, and the during operation, the setting of metal strip can increase the local holding power of contact cover, prevents that the too big problem that leads to its breakage of contact cover single-point atress.
Preferably, tracheal one end fixed mounting has two sets of fixing bases, the outside fixed connection of fixing base and pressure release pipe, the during operation, the setting of fixing base can let the trachea bulge to the outside, and it is better to let tracheal inflation effect.
The utility model has the advantages that:
1. according to the utility model, through the structural design of the pressure relief block and the pressure relief pipe, when the pressure on the inner side of the switch cabinet is too high, the pressure can be transmitted to the pressure relief block through the connecting groove, the pressure relief block is ejected outwards, the pressure can be released after the pressure relief block is separated from the pressure relief pipe, the sliding rod and the sliding sleeve can slide relatively at the moment, when the pressure relief block slides outwards, the fixing component can slide to the position of the clamping groove and be combined with the clamping groove, the pressure relief block cannot move, the pressure can be discharged outwards all the time, after the pressure is relieved, the fixing component can be pushed out of the clamping groove, the spring rod pulls the pressure relief block back into the pressure relief pipe, the device can be used continuously, the problem that the common pressure relief device is completely scrapped after being used once due to the use of a fusing mechanism is solved, and the device cannot be used continuously is solved, so that the recycling function of the device is realized;
2. according to the utility model, through the structural design of the sealing component, after the pressure relief pipe is in butt joint with the groove of the switch cabinet, the valve core can be inflated, air pressure is sent into the air pipe through the communicating pipe and the transmission pipe, the air pipe is expanded, so that the contact sleeve expands outwards, and the groove formed in the switch cabinet is completely sealed by the contact sleeve, so that the connection process of the device and the switch cabinet is facilitated, meanwhile, the connection tightness is ensured, and the problem that in the connection process, the groove consistent with the device needs to be formed accurately, so that the measurement work needs to be carried out for many times, and a large amount of time is consumed is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic cross-sectional view of a first embodiment;
FIG. 2 is a cross-sectional structural view of the slide bar according to the first embodiment;
FIG. 3 is an enlarged schematic view of a portion A of FIG. 1 according to an embodiment;
FIG. 4 is a schematic structural diagram of a sealing assembly according to a first embodiment;
fig. 5 is a schematic structural view of a bottom end of the pressure release pipe according to the second embodiment.
In the figure: 1. a pressure relief pipe; 2. a support plate; 3. releasing the pressure block; 4. connecting grooves; 5. a sliding sleeve; 6. a slide bar; 7. a spring lever; 8. connecting columns; 9. a clamp arm; 10. a sliding ball; 11. a fixing plate; 12. a rotating shaft; 13. a spring bar; 14. a valve core; 15. a communicating pipe; 16. a seal assembly; 17. a contact sleeve; 18. a metal strip; 19. an air tube; 20. a conveying pipe; 21. a fixed seat; 22. an operation slot; 23. a clamping groove.
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.
Example one
Referring to fig. 1-4, a pressure relief device for a switch cabinet includes a pressure relief pipe 1; the outer side of the pressure relief pipe 1 is fixedly provided with a supporting plate 2, one end of the pressure relief pipe 1 is arranged in an opening manner, the inner side of the pressure relief pipe 1 is connected with a pressure relief block 3 in a sliding manner, the outer side of the pressure relief pipe 1 is provided with two groups of connecting grooves 4, the middle part of the bottom end of the pressure relief block 3 is fixedly provided with a sliding sleeve 5, a plurality of groups of spring rods 7 are fixedly connected between the pressure relief block 3 and the inner side of the pressure relief pipe 1, the outer side of the sliding sleeve 5 is provided with two groups of clamping grooves 23, the outer side of a sliding rod 6 is provided with a fixing component, a plurality of groups of fixing bolts are arranged on the outer side of the supporting plate 2 in a penetrating manner, when the pressure relief pipe works, a groove is firstly formed in a switch cabinet, then the pressure relief pipe 1 is plugged into the groove and is fixed by the fixing bolts on the supporting plate 2, when the pressure on the inner side of the switch cabinet is overhigh, the pressure can be transmitted to the pressure relief block 3 through the connecting grooves 4, the pressure relief block 3 is pushed outwards, and after the pressure relief block 3 is separated from the pressure relief pipe 1, can let the pressure can release, relative slip also can take place for slide bar 6 and sliding sleeve 5 this moment, after the outside roll-off of pressure release piece 3, can let fixed subassembly slide to draw-in groove 23 position and combine with draw-in groove 23, can't remove pressure release piece 3, let the pressure can outwards discharge always, after pressure disappears, can release draw-in groove 23 with fixed subassembly, let in spring beam 7 will release pressure release piece 3 and pull back pressure release pipe 1, let the device can also continue to use, general pressure relief device uses the fusing mechanism, lead to just scrapping completely after once using, the problem of unable continuation of use, thereby the reuse function of device has been realized.
The outer side of the pressure relief pipe 1 is provided with a sealing component 16, the sealing component 16 comprises a contact sleeve 17 and an air pipe 19, the air pipe 19 is positioned at the inner side of the contact sleeve 17, one end of the contact sleeve 17 is fixedly connected with the outer side of the pressure relief pipe 1, one side penetrating through the air pipe 19 is connected with a transmission pipe 20, the outer side of the support plate 2 is fixedly provided with a valve core 14, the inner sides of the support plate 2 and the pressure relief pipe 1 are provided with a communication pipe 15, the valve core 14 is positioned at one end of the communication pipe 15, the other end of the communication pipe 15 is connected with the transmission pipe 20, when the pressure relief pipe 1 is in butt joint with a groove of a switch cabinet, the valve core 14 can be inflated, air pressure is sent into the air pipe 19 through the communication pipe 15 and the transmission pipe 20, the air pipe 19 is expanded, so that the contact sleeve 17 is expanded outwards, the contact sleeve 17 completely seals the groove formed on the switch cabinet, and the connection process of the device and the switch cabinet is facilitated, meanwhile, the connection tightness is guaranteed, and the problem that in the connection process, a groove consistent with the device needs to be accurately formed, so that measurement work needs to be carried out for many times, and a large amount of time is consumed is solved.
The outside of card arm 9 is the arc setting, and the outside sliding connection a plurality of groups sliding ball 10 of card arm 9, and during operation, the setting of cooperation sliding ball 10 can reduce the frictional force of card arm 9 and the inboard of sliding sleeve 5, lets slide bar 6 can be unblocked slide in the inboard of sliding sleeve 5.
The inboard fixed mounting of contact cover 17 has metal strip 18, and the outside of contact cover 17 is the setting of rugosity, and during operation, the setting of metal strip 18 can increase the local holding power of contact cover 17, prevents that contact cover 17 single-point atress is too big to lead to its broken problem.
Two sets of fixing bases 21 are fixedly mounted at one end of the air pipe 19, the fixing bases 21 are fixedly connected with the outer side of the pressure relief pipe 1, and in the working process, the air pipe 19 can bulge outwards due to the arrangement of the fixing bases 21, so that the expansion effect of the air pipe 19 is better.
Example two
Referring to fig. 5, in a first comparative example, as another embodiment of the present invention, two sets of operation slots 22 are formed at one end of the pressure relief pipe 1 away from the pressure relief block 3, and the outer walls of the operation slots 22 are smoothly arranged; during operation, the setting of operation groove 22 can be when the back adjustment device, with two fingers deepening in operation groove 22, inwards extrude two sets of card arms 9 of outside convex, let card arm 9 break away from with draw-in groove 23 smoothly, made things convenient for the reset process of device.
The working principle is that when the pressure relief device works, a groove is formed in a switch cabinet, then a pressure relief pipe 1 is plugged into the groove and is fixed by a fixing bolt on a supporting plate 2, when the pressure on the inner side of the switch cabinet is too high, the pressure can be transmitted to a pressure relief block 3 through a connecting groove 4, the pressure relief block 3 is pushed outwards, when the pressure relief block 3 is separated from the pressure relief pipe 1, the pressure can be released, at the moment, a sliding rod 6 and a sliding sleeve 5 can also slide relatively, when the pressure relief block 3 slides outwards, a fixing component can slide to the position of a clamping groove 23 and is combined with the clamping groove 23, the pressure relief block 3 cannot move, the pressure can be discharged outwards all the time, after the pressure is relieved, the fixing component can be pushed out of the clamping groove 23, the pressure relief block 3 is pulled back into the pressure relief pipe 1 by a spring rod 7, the device can be used continuously, the problem that a common pressure relief device is completely scrapped after being used once is solved, the device can not be used continuously, thereby realizing the recycling function of the device; the during operation, after the groove butt joint of pressure release pipe 1 and cubical switchboard, can inflate in valve inside 14, send into trachea 19 through communicating pipe 15 and transmission pipe 20 with atmospheric pressure, let trachea 19 inflation, thereby let contact sleeve 17 outwards expand, let contact sleeve 17 seal the groove of seting up on the cubical switchboard completely, the connection process of device and cubical switchboard has been made things convenient for, the leakproofness of connecting has been guaranteed simultaneously, the connection in-process has been solved, need accurately set up the groove unanimous with the device, lead to needing to carry out measuring work many times, make the problem that consumes plenty of time.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed.
Claims (6)
1. The utility model provides a pressure relief device for cubical switchboard which characterized in that: comprises a pressure relief pipe (1); the outside fixed mounting of pressure release pipe (1) has backup pad (2), the one end of pressure release pipe (1) is the opening setting, and the inboard sliding connection pressure release piece (3) of pressure release pipe (1), two sets of spread groove (4) have been seted up in the outside of pressure release pipe (1), the bottom middle part fixed mounting of pressure release piece (3) has sliding sleeve (5), and fixedly connected with a plurality of groups spring beam (7) between the inboard of pressure release piece (3) and pressure release pipe (1), two sets of draw-in grooves (23) have been seted up in the outside of sliding sleeve (5), and the outside of slide bar (6) is provided with fixed subassembly, runs through the outside of backup pad (2) is provided with a plurality of groups of gim peg.
2. The pressure relief device for the switch cabinet according to claim 1, wherein: the outside of pressure release pipe (1) is provided with seal assembly (16), seal assembly (16) are including contact cover (17) and trachea (19), trachea (19) are located the inboard of contact cover (17), the one end of contact cover (17) and the outside fixed connection of pressure release pipe (1), run through one side of trachea (19) is connected with transmission pipe (20), the outside fixed mounting of backup pad (2) has valve inside (14), and backup pad (2) and pressure release pipe (1) inboard is provided with communicating pipe (15), valve inside (14) are located the one end of communicating pipe (15), the other end and the transmission pipe (20) of communicating pipe (15) are connected.
3. The pressure relief device for the switch cabinet according to claim 2, wherein: slide bar (6) are two segmentation settings, two sets of spliced poles (8) of fixedly connected with and two sets of fixed plate (11) between two sections slide bar (6), and fixed subassembly includes two sets of card arms (9), the one end fixed mounting of card arm (9) has pivot (12), pivot (12) and slide bar (6) swing joint, and one side fixed mounting of card arm (9) has spring strip (13), the one end and fixed plate (11) fixed connection of spring strip (13).
4. The pressure relief device for the switch cabinet according to claim 3, wherein: the outer side of the clamping arm (9) is arc-shaped, and the outer side of the clamping arm (9) is connected with a plurality of groups of sliding balls (10) in a sliding mode.
5. The pressure relief device for the switch cabinet according to claim 4, wherein: the inner side of the contact sleeve (17) is fixedly provided with a metal strip (18), and the outer side of the contact sleeve (17) is arranged in a rough shape.
6. The pressure relief device for the switch cabinet according to claim 5, wherein: and one end of the air pipe (19) is fixedly provided with two groups of fixing seats (21), and the fixing seats (21) are fixedly connected with the outer side of the pressure relief pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122663948.3U CN216078463U (en) | 2021-11-02 | 2021-11-02 | Pressure relief device for switch cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122663948.3U CN216078463U (en) | 2021-11-02 | 2021-11-02 | Pressure relief device for switch cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216078463U true CN216078463U (en) | 2022-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122663948.3U Active CN216078463U (en) | 2021-11-02 | 2021-11-02 | Pressure relief device for switch cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216078463U (en) |
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2021
- 2021-11-02 CN CN202122663948.3U patent/CN216078463U/en active Active
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