CN112774066A

CN112774066A - Reusable indoor fire fighting equipment

Info

Publication number: CN112774066A
Application number: CN202011617547.8A
Authority: CN
Inventors: 戴开凝
Original assignee: Hangzhou Kaiying Information Technology Co ltd
Current assignee: Hangzhou Kaiying Information Technology Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-05-11

Abstract

The invention discloses reusable indoor fire-fighting equipment, which relates to the field of intelligent home furnishing and has the technical scheme that a storage cavity and a storage tank which is arranged in the storage cavity and stores dry powder extinguishing agent are arranged in a machine case, the upper end of the storage tank is provided with two interfaces, the upper end of the machine case is provided with a working cavity communicated with the storage cavity and a support plate which is arranged in the working cavity in a sliding way, the two ends of the support plate are respectively provided with a through hole corresponding to the interfaces, a connecting pipe is rotatably connected in the through hole, the lower end of the connecting pipe is fixedly connected with the upper end of the interface through a thread, a power mechanism driving the connecting pipe to rotate is arranged in the storage cavity, the upper end of the connecting pipe at the front side is connected with a hose, the top end of the hose extends to the outer side of the machine, the automatic connection or automatic separation function of the connecting pipe and the interface on the storage tank is realized, and the replacement steps of the storage tank are simplified.

Description

Reusable indoor fire fighting equipment

Technical Field

The invention relates to the field of intelligent home furnishing, in particular to indoor fire fighting equipment capable of being repeatedly used.

Background

The fire extinguisher barrel is filled with disposable high-pressure gas generating material to realize the spraying of the fire extinguishing agent, but the fire extinguisher barrel has the defect that the fire extinguisher can only be used once.

At present, a Chinese patent with publication number 201910040566.X discloses a novel transparent fire extinguisher, which comprises a fire extinguisher head, a head connecting piece, an upper bottle body, a lower bottle body and a bolt, wherein the fire extinguisher head is in threaded connection with the top of the head connecting piece, the top of the upper bottle body is provided with a head connecting piece shaft pin, and the head connecting piece is fixedly connected with the upper bottle body through the head connecting piece shaft pin. According to the transparent fire extinguisher, the flow increasing pipe, the rotating seat and the bolt are arranged in a matched mode, the transparent fire extinguisher can flow circularly internally under the condition of being capable of observing the internal situation, the problem of caking such as internal hardening is solved, the internal fluidity is increased, and the spraying force and smoothness in use are guaranteed.

Although the novel transparent fire extinguisher is more convenient to use, the fire extinguishing agent can be sprayed out by filling the disposable high-pressure gas generating material, but the novel transparent fire extinguisher cannot be reused, and the whole body must be replaced after single use.

Disclosure of Invention

The invention aims to provide reusable indoor fire fighting equipment which has the advantages that an internal connecting pipe and a port on a storage tank filled with dry powder extinguishing agent are automatically connected or separated, and the replacement steps of the storage tank are simplified.

The technical purpose of the invention is realized by the following technical scheme:

a reusable indoor fire fighting device comprises a machine case and a plurality of movable wheels arranged at the bottom end of the machine case, a storage cavity and a storage tank which is arranged in the storage cavity and stores dry powder extinguishing agent are arranged in the machine case, two interfaces are arranged at the upper end of the storage tank, an opening and a door plate which is rotatably connected are arranged at the front end of the storage cavity, a working cavity which is communicated with the storage cavity and a support plate which is slidably arranged in the working cavity are arranged at the upper end of the machine case, through holes which correspond to the interfaces in position are respectively arranged at the two ends of the support plate, a connecting pipe which is rotatably connected in the through holes and a limit plate which is arranged in the middle of the connecting pipe, the lower end of the connecting pipe is fixedly connected with the upper end of the interface through threads, a driven gear is connected at the upper end of the connecting pipe, a transmission shaft, the hose top extends to the quick-witted case outside and is equipped with the injector head, is equipped with the actuating mechanism that the control backup pad goes up and down in the storage chamber, is equipped with the booster mechanism that is used for increasing the interior atmospheric pressure of holding vessel that is connected with the connecting pipe upper end of rear side in the storage chamber, and quick-witted case top is equipped with the installation cavity and installs the control module in the installation cavity, and power unit, actuating mechanism and booster mechanism all are connected with the control module electricity.

Through adopting above-mentioned technical scheme, control the connecting pipe rotatory when ordering about the backup pad and going up and down, realize the automatic connection or the autosegregation function of connecting pipe and interface, enlarged the mobile space of holding vessel upside after rising the backup pad, the user of being convenient for changes the holding vessel that exhausts the dry powder fire extinguishing agent, has repeatedly usable's advantage than traditional fire extinguisher.

Further setting: the working cavity is internally provided with a power cavity, the power mechanism comprises a motor arranged in the power cavity, the motor is electrically connected with the control module, and the lower end of the motor is provided with a power shaft in transmission with a transmission shaft key.

Through adopting above-mentioned technical scheme, the power shaft passes through the key transmission with power transmission to transmission shaft department and orders about the rotatory function that realizes automatic connection and autosegregation of connecting pipe, and at the in-process that the transmission shaft reciprocated along with the support frame, the key transmission can transmit power steadily, has improved stability.

Further setting: the working cavity is internally provided with a driving cavity, the driving mechanism comprises an electric push rod arranged in the driving cavity, the electric push rod is electrically connected with the control module, the upper end of the supporting plate is provided with a connecting groove, and a push rod arranged on the electric push rod extends into the connecting groove and is fixedly connected with the connecting groove.

Through adopting above-mentioned technical scheme, order about electric putter and provide the power that reciprocates for the support frame, simple structure is not fragile.

Further setting: the cavity is arranged in the working cavity, the pressurizing mechanism comprises a gas pressurizing pump arranged in the cavity, the gas pressurizing pump is electrically connected with the control module, a dust guard plate is arranged at the position, communicated with the outside of the case, of the cavity, and a high-pressure hose is connected between the pressurizing port of the gas pressurizing pump and the upper end of the connecting pipe at the rear side.

Through adopting above-mentioned technical scheme, use gaseous force (forcing) pump to let in high-pressure gas to the holding vessel, make the dry powder fire extinguishing agent in the holding vessel pass through the hose and spout from the injector head, the fire extinguishing agent can spray to farther position under high-pressure gas's promotion, improves the distance of putting out a fire, and the user of service can put out a fire at safe distance, has improved the practicality.

Further setting: fixing mechanisms for fixing the heights of the supporting plates are arranged between the two ends of the inner wall of the working cavity and the supporting plates, and the fixing mechanisms are electrically connected with the control module.

Through adopting above-mentioned technical scheme, the height at the working chamber of application fixed establishment fixed bolster to fix the holding vessel in the holding chamber through fixed support frame steadily, avoid quick-witted case to empty the condition that leads to the holding vessel to break away from the mounted position and take place, improved stability.

Further setting: the two ends of the inner wall of the working cavity are respectively provided with a dead slot, the fixing mechanism comprises a driving motor arranged in the dead slot, the driving motor is electrically connected with the control module, the driving motor is provided with a driving shaft and a gear arranged on the driving shaft, the lower end of the dead slot is provided with a push plate in a sliding manner, the upper end of the push plate is fixedly provided with a rack meshed with the gear, the two ends of the supporting plate are respectively provided with a sliding groove and a sliding plate arranged in the sliding groove in a sliding manner, a plurality of pressure springs are arranged between the inner end of the sliding plate and the.

Through adopting above-mentioned technical scheme, the slide closely laminates with the work intracavity wall under pressure spring's elasticity effect, through the height of the fixed support frame of frictional force between slide outer end and the work intracavity wall, accessible driving motor orders about the push pedal in addition and moves to the recess, and this in-process push pedal pushes away the slide to the spout in, makes slide and the separation of work intracavity wall, removes the fixed state of support frame, has simplified operating procedure, has improved the convenience.

Further setting: the top end of the case also comprises a supporting mechanism for supporting the injection head, and the supporting mechanism is electrically connected with the control module.

Through adopting above-mentioned technical scheme, accomodate the injector head at quick-witted case top steadily, the person of being convenient for takes out the injector head fast and puts out a fire.

Further setting: case top is provided with places the chamber, supporting mechanism includes that a plurality of settings are placing the straight-bar of intracavity, the hose is accomodate to placing the intracavity around the straight-bar, it is equipped with the shifting chute and slides the removal frame that sets up in the shifting chute to place the chamber lower extreme, it extends to placing the chamber and is equipped with the supporting seat of placing the injector head to remove the frame upper end, it is equipped with reset spring to remove between frame lower extreme and the shifting chute inner wall, the shifting chute upper end is equipped with the fixed slot and sets up the pressure sensor in the fixed slot, pressure sensor is connected with the control.

Through adopting above-mentioned technical scheme, when the shower nozzle was taken off from the supporting seat, the supporting seat was because of losing the pressure of shower nozzle, and the carriage rises under reset spring's effect, and carriage upper end and pressure sensor contact and trigger sensor can remove the locking state that control module control gas force (forcing) pump started, have realized when the shower nozzle is in the state of accomodating, and gas force (forcing) pump is in the state that can't start, avoids taking place because of the condition that the mistake touched the injection dry powder fire extinguishing agent, has improved the practicality.

Further setting: the bottom end of the storage cavity is provided with a buffer cavity and a buffer plate arranged in the buffer cavity in a sliding manner, a plurality of buffer springs are arranged between the lower end of the buffer plate and the inner wall of the buffer cavity, and the upper end of the buffer plate is provided with an arc groove for supporting the bottom end of the storage tank.

Through adopting above-mentioned technical scheme, buffer spring provides ascending elasticity for the buffer board, slows down the vibrations condition that the holding vessel took place at the in-process that moves at random, avoids holding vessel and frame inner wall to bump.

Drawings

FIG. 1 is a front view of the apparatus structure of the present invention;

FIG. 2 is a schematic view of the connection between the internal structure of the working chamber and the storage chamber of the device structure according to the present invention;

FIG. 3 is a schematic view of the connection between the position A of the limiting plate and the through hole in FIG. 1;

FIG. 4 is a schematic view of the power mechanism and booster mechanism of FIG. 2 at B of the present invention;

FIG. 5 is a schematic view of the mobile gantry of FIG. 1 at C in accordance with the present invention;

fig. 6 is a schematic view of the buffer plate of fig. 2 according to the present invention.

1. A chassis; 2. a storage chamber; 3. a storage tank; 4. an interface; 5. a working chamber; 6. a support plate; 7. a connecting pipe; 8. a driven gear; 9. a drive shaft; 10. a driving gear; 11. a hose; 12. an injector head; 13. a mounting cavity; 14. a control module; 15. an opening; 16. a door panel; 17. a moving wheel; 18. a through hole; 19. a limiting plate; 20. a power mechanism; 21. a power cavity; 22. an electric motor; 23. a power shaft; 30. a drive mechanism; 31. a drive chamber; 32. an electric push rod; 33. a push rod; 34. connecting grooves; 40. a pressurization mechanism; 41. a cavity; 42. a gas pressure pump; 43. a dust guard; 44. a high pressure hose; 50. a fixing mechanism; 51. a chute; 52. a slide plate; 53. a pressure spring; 54. an empty groove; 55. a drive motor; 56. a drive shaft; 57. a gear; 58. pushing the plate; 59. a rack; 60. a support mechanism; 61. a placement chamber; 62. a straight rod; 63. a moving groove; 64. a movable frame; 65. a supporting seat; 66. a return spring; 67. fixing grooves; 68. a pressure sensor; 71. a buffer chamber; 72. a buffer plate; 73. a buffer spring; 74. an arc groove; 90. and (4) a groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The utility model provides a repeatedly usable's indoor fire-fighting equipment, as shown in figure 1, figure 2 and figure 3, including quick-witted case 1 with set up a plurality of removal wheels 17 in quick-witted case 1 bottom, be equipped with in quick-witted case 1 and store chamber 2 and set up in storing the holding vessel 3 that holds dry powder fire extinguishing agent, holding vessel 3 upper end is equipped with two interfaces 4, 2 front ends in storage chamber are equipped with opening 15 and rotatable coupling's door plant 16, machine case 1 upper end is equipped with working chamber 5 and the backup pad 6 that sets up in working chamber 5 with storing chamber 2 intercommunication, backup pad 6 both ends respectively are equipped with the through-hole 18 that the position corresponds with interface 4, rotatable coupling's connecting pipe 7 and the limiting plate 19 of setting in the middle of connecting pipe 7 in the through-hole 18, connecting pipe 7 lower extreme and interface 4 upper end screw thread fixed connection, connecting pipe 7 upper end is connected with synchronous rotation's driven gear 8, rotatable coupling has transmission shaft 9 in the middle of backup pad 6 and be provided The dynamic gear 10, be equipped with in the storage chamber 2 and drive the rotatory power unit 20 of transmission shaft 9, the connecting pipe 7 upper end of front side is connected with the hose 11, the hose 11 top extends to the quick-witted case 1 outside and is equipped with the injector head 12, be equipped with the actuating mechanism 30 that control backup pad 6 goes up and down in the storage chamber 2, be equipped with the pressure boost mechanism 40 that is used for increasing the internal gas pressure of holding vessel 3 who is connected with the connecting pipe 7 upper end of rear side in the storage chamber 2, quick-witted case 1 top is equipped with installation cavity 13 and installs the control module 14 in installation cavity 13, all be equipped with the fixed establishment 50 of fixed support plate 6 height between 5 inner wall both ends of working chamber and the backup pad 6, quick-witted case 1 top is equipped with the supporting mechanism 60 that supports injector head 12, power unit 20, actuating mechanism 30.

As shown in fig. 3, a power cavity 21 is arranged in the working cavity 5, the power mechanism 20 comprises a motor 22 arranged in the power cavity 21, the motor 22 is electrically connected with the control module 14, and a power shaft 23 in key transmission with the transmission shaft 9 is arranged at the lower end of the motor 22.

As shown in fig. 2 and 4, a driving chamber 31 is provided in the working chamber 5, the driving mechanism 30 includes an electric push rod 32 provided in the driving chamber 31, the electric push rod 32 is electrically connected to the control module 14, a connecting groove 34 is provided at the upper end of the supporting plate 6, and a push rod 33 provided on the electric push rod 32 extends into the connecting groove 34 and is fixedly connected thereto.

As shown in fig. 3, a cavity 41 is provided in the working chamber 5, the pressurization mechanism 40 includes a gas pressurization pump 42 provided in the cavity 41, the gas pressurization pump 42 is electrically connected to the control module 14, a dust blocking plate 43 is provided at an opening of the cavity 41 communicating with the outside of the cabinet 1, and a high pressure hose 44 is connected between a pressurization port of the gas pressurization pump 42 and an upper end of the rear connection pipe 7.

As shown in fig. 2, 3 and 4, two ends of the inner wall of the working chamber 5 are respectively provided with an empty slot 54, the fixing mechanism 50 comprises a driving motor 55 arranged in the empty slot 54, the driving motor 55 is electrically connected with the control module 14, the driving motor 55 is provided with a driving shaft 56 and a gear 57 arranged on the driving shaft 56 and synchronously rotating, the lower end of the empty slot 54 is slidably provided with a push plate 58, the upper end of the push plate 58 is fixedly provided with a rack 59 engaged with the gear 57, two ends of the supporting plate 6 are respectively provided with a sliding slot 51 and a sliding plate 52 slidably arranged in the sliding slot 51, a plurality of pressure springs 53 are arranged between the inner end of the sliding plate 52 and the inner wall of the sliding slot 51, the middle of the sliding slot 51 is provided with a groove 90 corresponding to the position of the push plate 58, the outer end of the, when the push plate 58 moves into the groove 90, the push plate 58 contacts the slide plate 52 and the slide plate 52 separates from the inner wall of the working chamber 5.

As shown in fig. 5, a placing cavity 61 is disposed at the top end of the chassis 1, the supporting mechanism 60 includes a plurality of straight rods 62 disposed in the placing cavity 61, the hose 11 is received into the placing cavity 61 around the straight rods 62, a moving rack 64 disposed in the moving rack 63 in a sliding manner and provided with a moving groove 63 at the lower end of the placing cavity 61, the upper end of the moving rack 64 extends to the placing cavity 61 and is provided with a supporting seat 65 for placing the spray head 12, a return spring 66 is disposed between the lower end of the moving rack 64 and the inner wall of the moving groove 63, a fixing groove 67 and a pressure sensor 68 disposed in the fixing groove 67 are disposed at the upper end of the moving rack 63, the pressure sensor 68 is electrically connected to the control module 14, and when the moving rack 64 moves upwards.

As shown in fig. 6, a buffer chamber 71 and a buffer plate 72 slidably disposed in the buffer chamber 71 are disposed at the bottom end of the storage chamber 2, a plurality of buffer springs 73 are disposed between the lower end of the buffer plate 72 and the inner wall of the buffer chamber 71, and an arc groove 74 for supporting the bottom end of the storage tank 3 is disposed at the upper end of the buffer plate 72.

The specific operation mode of the specific embodiment of the invention is as follows: the control module 14 is a prior art, and adopts a programmable memory, in which the instructions for executing the operations of logic operation, sequential control, timing, counting and arithmetic operation are stored, the electric push rod 32 is a prior art, and converts the rotary motion of the motor into the linear reciprocating motion of the push rod, the gas pressure pump 42 is a prior art, and is driven by the low-pressure gas at the large-area piston end to generate the high-pressure fluid at the small-area piston end, the pressure sensor 68 is a prior art, generally consists of a pressure sensitive element and a signal processing unit, and can convert the pressure signal into an available output electric signal according to a certain rule, and the internal electric mechanism is externally connected with a power supply through a circuit.

When the invention is used for fire extinguishing, the spraying head 12 is taken down from the supporting seat 65, after the supporting seat 65 loses the gravity action of the spraying head 12, the moving frame 64 connected with the supporting seat 65 rises under the elastic force of the return spring 66, the upper end of the moving frame 64 is contacted with the pressure sensor 68, the pressure sensor 68 sends an electric signal to the control module 14, the locking state of the control module 14 for controlling the starting of the gas pressure pump 42 is released, at the moment, the gas pressure pump 42 can be started through the control module 14, high-pressure gas is introduced into the storage tank 3 through the high-pressure hose 44, and at the moment, the dry powder fire extinguishing agent in the storage tank 3 is pushed into the hose 11 by the high-pressure gas and is sprayed out through the spraying head 12.

When the storage tank 3 consumed by the internal dry powder extinguishing agent needs to be replaced, the driving motor 55 is started to drive the push plate 58 to move into the groove 90, the sliding plate 52 is pushed away from the inner wall of the working cavity 5 by the push plate 58, the support frame 6 is in a movable state, the electric push rod 32 can be started to control the support frame 6 to ascend, the motor 22 is started to drive the transmission shaft 9 to drive the connecting pipe 7 to rotate through the gear set, the connecting pipe 7 autorotates in the ascending process, the threaded screwing and fixing state of the connecting pipe 7 and the interface 4 can be released, the push plate 58 can be driven to reset after the connecting pipe 7 is separated from the interface 4, the height of the support frame 6 is fixed through the popped up slide plate 52, the storage tank 3 which is completely consumed can be taken out, the unused storage tank 3 is placed on the buffer plate 72, the support frame 6 descends and enables the, the mounting operation of the reserve tank 3 is realized.

The above-mentioned embodiments are merely illustrative and not restrictive, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but only protected by the patent laws within the scope of the claims.

Claims

1. The utility model provides a repeatedly usable's indoor fire-fighting equipment, is in including quick-witted case (1) and setting a plurality of removal wheels (17) of quick-witted case (1) bottom, be equipped with in quick-witted case (1) and store chamber (2) and set up and be in store chamber (2) and store holding vessel (3) that have dry powder fire extinguishing agent, holding vessel (3) upper end is equipped with two interfaces (4), store chamber (2) front end and be equipped with opening (15) and rotatable coupling's door plant (16), its characterized in that: the machine case is characterized in that the upper end of the machine case (1) is provided with a working chamber (5) communicated with the storage chamber (2) and a support plate (6) arranged in the working chamber (5) in a sliding manner, the two ends of the support plate (6) are respectively provided with a through hole (18) corresponding to the interface (4), a connecting pipe (7) which is rotatably connected with the through hole (18) is provided with a limiting plate (19) arranged in the middle of the connecting pipe (7), the lower end of the connecting pipe (7) is fixedly connected with the upper end of the interface (4) in a threaded manner, the upper end of the connecting pipe (7) is connected with a driven gear (8), a transmission shaft (9) is rotatably connected with the middle of the support plate (6) and a driving gear (10) meshed with the driven gear (8) is arranged on the transmission shaft (9), and a power mechanism (20) for driving, the front side connecting pipe (7) upper end is connected with hose (11), hose (11) top extends to machine case (1) outside is equipped with injection head (12), be equipped with control in storage chamber (2) actuating mechanism (30) that backup pad (6) go up and down, be equipped with in storage chamber (2) with the rear side connecting pipe (7) upper end is connected be used for increasing booster mechanism (40) of holding vessel (3) internal gas pressure, machine case (1) top is equipped with installation cavity (13) and installs control module (14) in installation cavity (13), power unit (20) actuating mechanism (30) with booster mechanism (40) all are connected with control module (14) electricity.

2. A reusable indoor fire fighting apparatus as defined in claim 1, characterized in that: a power cavity (21) is arranged in the working cavity (5), the power mechanism (20) comprises a motor (22) arranged in the power cavity (21), the motor (22) is electrically connected with the control module (14), and a power shaft (23) in key transmission with the transmission shaft (9) is arranged at the lower end of the motor (22).

3. A reusable indoor fire fighting apparatus as defined in claim 1, characterized in that: be provided with drive chamber (31) in working chamber (5), actuating mechanism (30) are including setting up electric putter (32) in drive chamber (31), electric putter (32) are connected with control module (14) electricity, backup pad (6) upper end is equipped with spread groove (34), push rod (33) that set up on electric putter (32) extend to in spread groove (34) and fixed connection.

4. A reusable indoor fire fighting apparatus as defined in claim 1, characterized in that: be provided with cavity (41) in working chamber (5), booster mechanism (40) is including setting up gaseous force (forcing) pump (42) in cavity (41), gaseous force (forcing) pump (42) are connected with control module (14) electricity, cavity (41) with the opening part of quick-witted case (1) external intercommunication is equipped with dust board (43), the pressure boost mouth and the rear side of gaseous force (forcing) pump (42) be connected with high-pressure hose (44) between connecting pipe (7) upper end.

5. A reusable indoor fire fighting apparatus as defined in claim 1, characterized in that: the device is characterized in that fixing mechanisms (50) for fixing the height of the supporting plate (6) are arranged between the two ends of the inner wall of the working cavity (5) and the supporting plate (6), and the fixing mechanisms (50) are electrically connected with the control module (14).

6. A reusable indoor fire fighting apparatus as defined in claim 5, characterized in that: empty grooves (54) are respectively arranged at two ends of the inner wall of the working cavity (5), the fixing mechanism (50) comprises a driving motor (55) arranged in the empty grooves (54), the driving motor (55) is electrically connected with the control module (14), a driving shaft (56) and a gear (57) arranged on the driving shaft (56) are arranged on the driving motor (55), the lower end of the empty groove (54) is provided with a push plate (58) in a sliding way, the upper end of the push plate (58) is fixedly provided with a rack (59) meshed with the gear (57), two ends of the supporting plate (6) are respectively provided with a sliding chute (51) and a sliding plate (52) which is arranged in the sliding chute (51) in a sliding way, a plurality of pressure springs (53) are arranged between the inner end of the sliding plate (52) and the inner wall of the sliding chute (51), the middle of the sliding groove (51) is provided with a groove (90) corresponding to the push plate (58).

7. A reusable indoor fire fighting apparatus as defined in claim 1, characterized in that: the top end of the case (1) further comprises a supporting mechanism (60) for supporting the spray head (12), and the supporting mechanism (60) is electrically connected with the control module (14).

8. A reusable indoor fire fighting apparatus as defined in claim 7, characterized in that: case (1) top is provided with places chamber (61), supporting mechanism (60) are in including a plurality of settings place straight-bar (62) in chamber (61), hose (11) center on straight-bar (62) are accomodate to placing chamber (61) in, place chamber (61) lower extreme be equipped with shifting chute (63) with slide set up in shifting frame (64) in shifting chute (63), shifting frame (64) upper end extends to place chamber (61) and be equipped with supporting seat (65) of placing injection head (12), shifting frame (64) lower extreme with be equipped with reset spring (66) between shifting chute (63) inner wall, shifting chute (63) upper end is equipped with fixed slot (67) and sets up pressure sensor (68) in fixed slot (67), pressure sensor (68) are connected with control module (14) electricity.

9. A reusable indoor fire fighting apparatus as defined in claim 1, characterized in that: storage chamber (2) bottom be equipped with cushion chamber (71) with slide set up in buffer board (72) in cushion chamber (71), buffer board (72) lower extreme with be equipped with a plurality of buffer spring (73) between cushion chamber (71) inner wall, buffer board (72) upper end is equipped with the support arc groove (74) of holding vessel (3) bottom.