CN210623159U

CN210623159U - Fire control ventilation blower that discharges fume

Info

Publication number: CN210623159U
Application number: CN201921798851.XU
Authority: CN
Inventors: 胡小波
Original assignee: Chongqing Xiongji Ventilation Equipment Co Ltd
Current assignee: Chongqing Xiongji Ventilation Equipment Co Ltd
Priority date: 2019-10-24
Filing date: 2019-10-24
Publication date: 2020-05-26
Anticipated expiration: 2029-10-24

Abstract

The utility model belongs to the technical field of fire-fighting equipment, and discloses a fire-fighting smoke-discharging ventilator which comprises a shell, an air inlet, an air outlet, a motor, a rotating shaft, fan blades, a filter screen and brush hair, wherein the fan blades are fixedly connected on the rotating shaft, and a connector lug is arranged in a junction box; the rotating shaft is fixedly connected with a rotating rod with a hollow structure inside, and the rotating rod is provided with an adsorption hole communicated with the hollow of the rotating rod; the pivot is the cavity pivot, and cavity pivot and rotary rod intercommunication have seted up the air vent in the cavity pivot, and rotatable cover is equipped with the sleeve in the pivot, and the intercommunication has first blast pipe on the sleeve, and first blast pipe intercommunication has negative-pressure air fan, and negative-pressure air fan intercommunication has the second blast pipe. The utility model discloses can utilize the filter screen to block the dust of discharge flue to with the dust clearance of adhesion on the filter screen, during the dust enters into the first blast pipe and the second blast pipe of dust exhaust during the clearance, avoid the dust accumulation on flabellum and motor, extension ventilation blower life promotes the ventilation effect.

Description

Fire control ventilation blower that discharges fume

Technical Field

The utility model relates to a fire control facility technical field especially relates to a fire control ventilation blower that discharges fume.

Background

Along with the rapid development of economy in China, various buildings emerge endlessly, and population living density under the development of urbanization is increased day by day, so that the fire disaster rate is increased, and meanwhile, the fire rescue difficulty is increased, which puts more rigorous requirements on fire protection equipment, and fire protection and smoke exhaust equipment is important fire protection equipment in fire rescue. With the rapid development of the science and technology of the current fire-fighting smoke-discharging equipment, various smoke-discharging fans with different functions and discharge capacities appear; but present ventilation blower of discharging fume stops to the inside dust of flue gas in the time of can't satisfying effectually through ventilation blower work mostly, and causes the inside that the dust got into the ventilation blower to cause the damage to the motor, influences the life of ventilation blower simultaneously, reduces the result of use of ventilation blower, also can't satisfy simultaneously and will glue the dust on the filter screen and clear up, leads to influencing the effect of induced drafting of ventilation blower.

Application number is 201820040410.2's patent discloses a fire control ventilation blower of discharging fume, this fire control ventilation blower of discharging fume, through installing the filter screen on the frame at the ventilation blower, effectual in ventilation blower work with the flue gas absorption, stop the inside dust of flue gas, it is too much to avoid the inside dust of flue gas, lead to causing the damage to the inside motor of ventilation blower, influence the life of ventilation blower, it makes the brush rotate on the filter screen to rotate to drive the flabellum through the motor rotation, effectually clear up the filter screen, the effect of induced drafting of ventilation blower has been increased, it is too much to avoid the dust on the filter screen, cause the filter screen to block up, make the unable normal work of ventilation blower.

Above-mentioned scheme utilizes the filter screen to block the dust, utilizes the brush on the flabellum to clear up the filter screen, but the dust that the brush cleared up down can be located the ventilator all the time, then partial dust still can accumulate on flabellum and motor, gets off for a long time, still probably causes the inside that the dust got into the ventilator to cause the damage to the motor, influences the life of ventilator simultaneously, reduces the result of use of ventilator.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a fire control ventilation blower that discharges fume can utilize the filter screen to block the dust of discharge flue to with the dust clearance of adhesion on the filter screen, during the dust enters into the first blast pipe and the second blast pipe of dust exhaust during the clearance, avoid the dust accumulation on flabellum and motor, extension ventilation blower life promotes the ventilation effect.

The utility model discloses an above-mentioned technical problem is solved to following technical means:

a fire-fighting smoke-discharging ventilator comprises a shell, an air inlet, an air outlet, a motor, a rotating shaft, fan blades, a filter screen and brush bristles, wherein the rotating shaft is fixedly connected with an output shaft of the motor; the inner walls of the motor and the shell are fixedly connected with supporting rods, one end of the rotating shaft, far away from the motor, is fixedly connected with a rotating rod with a hollow structure, a plurality of adsorption holes which are communicated with the rotating rod in a hollow mode are formed in one side face, far away from the rotating shaft, of the rotating rod, and the bristles are arranged on the rotating rod at the periphery of the adsorption holes; the rotating shaft is a hollow rotating shaft, the hollow rotating shaft is communicated with the rotating rod, a plurality of air holes are formed in the hollow rotating shaft, a sleeve is rotatably sleeved on the hollow rotating shaft provided with the air holes, a first exhaust pipe communicated with the air holes is fixedly communicated with the sleeve, the first exhaust pipe penetrates through the shell and is communicated with a negative pressure fan, and the outlet end of the negative pressure fan is communicated with a second exhaust pipe; the negative pressure fan and the motor are electrically connected with the connector lug.

Further, still include annular clamping ring, a plurality of screw thread through-holes have been seted up on the clamping ring, a plurality of screw thread blind holes have been seted up on the tip cross-section of air intake, be provided with on the filter screen to the through-hole, threaded connection has fastening bolt between screw thread through-hole, to through-hole and the screw thread blind hole. Need install again or dismantle the filter screen when wasing, can unscrew fastening bolt, take down clamping ring and filter screen can, unusual convenience.

Further, the support rod is a hollow support rod, and an electric wire electrically connected with the connector lug and the motor penetrates through the hollow structure of the support rod. Therefore, the electric wire can be protected in the supporting rod, the electric wire is not easy to damage, and the service life is longer.

Further, the hollow rotating shafts on two sides of the vent hole are provided with annular grooves, the inner walls of two ends of the sleeve are provided with annular convex rings, and the convex rings are embedded in the annular grooves in a sliding manner. When the rotating shaft rotates, the sleeve is in a static state, and after air with dust enters an annular space between the sleeve and the air vent through the air vent, the air with dust can be sealed by utilizing the mutual buckling between the convex ring and the annular groove, so that the air with dust is prevented from overflowing and completely enters the first exhaust pipe.

Furthermore, two fixing supports are fixedly connected to the outer wall of the shell. When the fixing device is installed, the two fixing brackets can be fixedly installed on the installation carrier by using bolts.

Further, the negative pressure fan is fixedly arranged on the outer wall of the shell between the two fixing supports. After the ventilation machine is installed, the negative pressure fan can be located between the installation carrier and the two supports, other space is not occupied, and the structure is more compact.

The utility model has the advantages that:

when the utility model is used, the motor drives the fan blades to rotate to discharge smoke, and the dust in the smoke discharge channel is blocked by the filter screen in the ventilation process; at the in-process that ventilates, it is rotatory that the pivot drives the rotary rod, and the brush hair on the rotary rod gets off dust clearance on with the filter screen, then in entering into the rotary rod in proper order through the adsorption holes, in the pivot, first blast pipe, discharge through the second blast pipe at last, and dust accumulation can be avoided on flabellum and motor to whole process, extension ventilation blower life promotes the ventilation effect.

Drawings

Fig. 1 is a schematic structural view of a fire-fighting smoke-discharging ventilator of the utility model;

FIG. 2 is a view from the air inlet direction with the compression ring and the filter screen removed;

FIG. 3 is a schematic view of the joint between the sleeve and the shaft in FIG. 1;

fig. 4 is a schematic structural view of the filter screen and the press ring.

The air conditioner comprises a shell 1, an air inlet 2, an air outlet 3, a motor 4, a rotating shaft 5, fan blades 6, a filter screen 7, bristles 8, a pressing ring 9, a pair-penetrating through hole 10, a threaded through hole 11, a threaded blind hole 12, a fastening bolt 13, a junction box 14, a supporting rod 15, a rotating rod 16, an adsorption hole 17, an air vent 18, a sleeve 19, an annular groove 20, a convex ring 21, a first exhaust pipe 22, a negative pressure fan 23, a second exhaust pipe 24 and a fixing support 25.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings:

as shown in fig. 1 to 4:

the utility model provides a fire control ventilation blower that discharges fume, includes shell 1, air intake 2, air outlet 3, motor 4, pivot 5, flabellum 6, filter screen 7, brush hair 8, clamping ring 9, and pivot 5 passes through bolt fixed connection with motor 4's output shaft for motor 4 drives pivot 5 rotatoryly, and flabellum 6 is on pivot 5 through parallel key fixed connection, and pivot 5 drives the flabellum 6 rotation and discharges fume.

Seted up four on the filter screen 7 to through-hole 10, seted up four screw thread through-holes 11 on the clamping ring 9, seted up four screw thread blind holes 12 on the tip cross-section of air intake 2, screw thread through-hole 11, to threaded connection has fastening bolt 13 between through-hole 10 and the screw thread blind hole 12 for clamping ring 9 and filter screen 7 can dismantle the connection, make things convenient for the washing or the change of filter screen 7. The shell 1 is fixed with a junction box 14 through screws, a connector lug is arranged in the junction box 14, and the connector lug is used for supplying power to an external power supply and the ventilation fan.

Through screw fixedly connected with bracing piece 15 on the inner wall of motor 4 and shell 1, bracing piece 15 can support motor 4, and bracing piece 15 is hollow structure, and the electric wire that the connector lug is connected with motor 4 electricity passes in the hollow structure of bracing piece 15 for the electric wire can obtain the protection. The left end welding of pivot 5 has hollow structure's rotary rod 16, has seted up a plurality of absorption holes 17 with the inside intercommunication of rotary rod 16 on the left surface of rotary rod 16, and the brush hair 8 has been bonded in the periphery in absorption hole 17 on the rotary rod 16.

The rotating shaft 5 is a hollow rotating shaft 5, the hollow rotating shaft 5 is communicated with the inside of the rotating rod 16, a plurality of vent holes 18 are formed in the hollow rotating shaft 5, annular grooves 20 are formed in the hollow rotating shaft 5 on two sides of each vent hole 18, annular convex rings 21 are uniformly formed on the inner walls of two ends of the sleeve 19 in a integrated mode, the convex rings 21 are embedded in the annular grooves 20 in a sliding mode, a first exhaust pipe 22 communicated with the vent holes 18 is welded on the sleeve 19, the first exhaust pipe 22 penetrates through the shell 1 and is communicated with a negative pressure fan 23, and the outlet end of the negative pressure fan 23 is communicated with a second exhaust pipe 24; the negative pressure fan 23 and the motor 4 are electrically connected to the connector lug.

Two fixing supports 25 are welded on the outer wall of the shell 1, and the negative pressure fan 23 is fixedly installed on the outer wall of the shell 1 between the two fixing supports 25 through screws.

The utility model discloses a use method as follows:

when the connector lug is used, an external power supply is connected with the connector lug, the motor 4 and the negative pressure fan 23 start to work, the motor 4 drives the rotating shaft 5 to rotate, further drives the fan blades 6 and the rotating rod 16 to rotate, the fan blades 6 rotate to discharge smoke and ventilate, and when the smoke is discharged and ventilated, the filter screen 7 blocks dust in a smoke discharge channel; during the smoke exhausting and ventilating process, the rotating rod 16 rotates to drive the brush bristles 8 to rotate, and dust and the like adhered to the filter screen 7 are brushed off during the rotation process of the brush bristles 8.

In the process of ventilation, pivot 5 still drives the rotary rod 16 rotatory, brush hair 8 on the rotary rod 16 clears up the dust on the filter screen 7, negative-pressure air fan 23's work will produce the negative pressure this moment, the dust brushed down by brush hair 8 will enter into the hollow structure of rotary rod 16 through adsorption hole 17 inside, then enter into the hollow structure of pivot 5 inside, and enter into first blast pipe 22 through air vent 18 in, discharge through second blast pipe 24 at last, the dust accumulation can be avoided on flabellum 6 and motor 4 to whole process, extension ventilation machine life, promote the ventilation effect.

Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art will understand that the present invention can be modified or replaced with other embodiments without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims. The technology, shape and construction parts which are not described in detail in the present invention are all known technology.

Claims

1. The utility model provides a fire control ventilation blower that discharges fume, includes shell, air intake, air outlet, motor, pivot, flabellum, filter screen and brush hair, the output shaft fixed connection of pivot and motor, flabellum fixed connection is in the pivot, filter screen fixed connection is at air intake, its characterized in that: the shell is provided with a junction box, and a connector lug is arranged in the junction box; the inner walls of the motor and the shell are fixedly connected with supporting rods, one end of the rotating shaft, far away from the motor, is fixedly connected with a rotating rod with a hollow structure, a plurality of adsorption holes which are communicated with the rotating rod in a hollow mode are formed in one side face, far away from the rotating shaft, of the rotating rod, and the bristles are arranged on the rotating rod at the periphery of the adsorption holes; the rotating shaft is a hollow rotating shaft, the hollow rotating shaft is communicated with the rotating rod, a plurality of air holes are formed in the hollow rotating shaft, a sleeve is rotatably sleeved on the hollow rotating shaft provided with the air holes, a first exhaust pipe communicated with the air holes is fixedly communicated with the sleeve, the first exhaust pipe penetrates through the shell and is communicated with a negative pressure fan, and the outlet end of the negative pressure fan is communicated with a second exhaust pipe; the negative pressure fan and the motor are electrically connected with the connector lug.

2. A fire protection smoke exhaust ventilator as claimed in claim 1 wherein: still include annular clamping ring, set up a plurality of screw thread through-holes on the clamping ring, set up a plurality of screw thread blind holes on the tip cross-section of air intake, be provided with on the filter screen to the through-hole, threaded connection has fastening bolt between screw thread through-hole, to through-hole and the screw thread blind hole.

3. A fire smoke exhaust ventilator as claimed in claim 2 wherein: the supporting rod is of a hollow structure, and an electric wire electrically connected with the connector lug and the motor penetrates through the hollow structure of the supporting rod.

4. A fire smoke exhaust ventilator as claimed in claim 3 wherein: annular grooves are formed in the hollow rotating shafts on two sides of the vent hole, annular convex rings are arranged on the inner walls of two ends of the sleeve, and the convex rings are embedded in the annular grooves in a sliding mode.

5. A fire protection smoke exhaust ventilator as claimed in claim 4 wherein: two fixing supports are fixedly connected to the outer wall of the shell.

6. A fire protection smoke exhaust ventilator as claimed in claim 5, wherein: the negative pressure fan is fixedly arranged on the outer wall of the shell between the two fixing supports.