CN214789103U

CN214789103U - Smoke-discharging fire-proof valve sealed by elastic sheet

Info

Publication number: CN214789103U
Application number: CN202121849229.4U
Authority: CN
Inventors: 张玉良; 张鹏
Original assignee: Shandong Mingke Electromechanical Technology Co ltd
Current assignee: Shandong Mingke Electromechanical Technology Co ltd
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2021-11-19
Anticipated expiration: 2031-08-09

Abstract

The utility model discloses a shell fragment sealed fire prevention valve that discharges fume, the power distribution box comprises a box body, the inside of box is provided with the division board, the division board separates the inside of box for the chamber of discharging fume on left control chamber and right side, it is even to be provided with a plurality of baffles from a left side between the upper and lower both sides face in chamber of discharging fume, the outer upper surface of box just is located and all is provided with the bearing frame between two adjacent baffles, every the inside of bearing frame all is provided with driven spindle, every driven spindle's lower extreme all is provided with the deep bead, every the deep bead all is provided with the shell fragment before rather than two adjacent baffles, the shell fragment is installed on the baffle, and is a plurality of driven spindle drives the rotation by electric telescopic handle. The utility model discloses a shell fragment can take place deformation under the extrusion of windshield to make the deep bead tightly laminate with the shell fragment, guaranteed the leakproofness between baffle, shell fragment and the deep bead, reduced the volume of leaking wind, promoted the security performance of fire prevention valve.

Description

Smoke-discharging fire-proof valve sealed by elastic sheet

Technical Field

The utility model relates to a fire damper technical field, the concrete field is a fire damper of discharging fume that shell fragment is sealed.

Background

The fire-proof valve is a valve which is opened by a control center through 24V direct current or manually opened and automatically closed at 280 ℃. It has the following functions: when the temperature of the flue gas reaches 280 ℃, people are basically evacuated, the actual meaning of the flue gas discharge is not realized, and the valve is automatically closed when the fire is brought in the flue gas, so that the fire is prevented from spreading. Although some fire prevention valves can meet the use requirements to a certain extent, the blades of the fire prevention valves are all linear flat plate blades, and the blades are not closed tightly after being closed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shell fragment is sealed prevents fire damper that discharges fume to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a smoke-discharging fire-proof valve with a spring plate seal comprises a box body, wherein a partition plate is arranged in the box body and divides the interior of the box body into a control cavity at the left side and a smoke-discharging cavity at the right side, a plurality of baffle plates are uniformly arranged between the upper side surface and the lower side surface of the smoke-discharging cavity from the left side, bearing seats are arranged on the outer upper surface of the box body and between two adjacent baffle plates, two angular contact ball bearings are oppositely arranged in each bearing seat, driven rotating shafts are arranged in the two angular contact ball bearings which are oppositely arranged, the lower end of each driven rotating shaft penetrates through the upper side wall of the box body, a wind shield is arranged on the lower end surface of each driven rotating shaft, a spring plate is arranged in front of each wind shield and the two adjacent baffle plates, the spring plates are arranged on the baffle plates, driven bevel gears are arranged at the upper ends of the driven rotating shafts, and driving bevel gears are meshed with each driven bevel gear between teeth, the utility model discloses a bearing box, including box, drive mechanism, bearing frame, drive bevel gear, bearing frame, driving shaft, heat dissipation hole and heat insulating board, the outer upper surface of box and the left and right sides that is located a plurality of bearing frame all are provided with an axle and use support, two metal shaft sleeve, two are all installed to the inside of axle and use support the internally mounted of metal shaft sleeve has the initiative pivot, and is a plurality of on the initiative bevel gear all installed the initiative pivot, the initiative pivot is driven by actuating mechanism and is rotated, be provided with louvre and heat insulating board on the left and right sides face in control chamber respectively, the inside in control chamber is provided with battery and controller, the inside in chamber of discharging fume still is provided with temperature sensor.

Preferably, actuating mechanism is including installing in the electric telescopic handle of control chamber lower surface and installing in the outer upper surface of box and being located the installation section of thick bamboo of electric telescopic handle top, linear bearing, two are all installed to both sides about the inside of installation section of thick bamboo linear bearing's internally mounted has the circular rack, the lower extreme of circular rack passes the last lateral wall of box and links to each other with electric telescopic handle's output, circular rack intertooth meshing is connected with the straight-teeth gear, the straight-teeth gear is installed in the initiative pivot.

Preferably, a through groove for allowing the teeth of the spur gear to pass through is formed in the side wall of the mounting cylinder.

Preferably, the outer upper surface of the box body and the outer parts of the mounting cylinder, the driving rotating shaft, the two shaft supports and the plurality of driving bevel gears are provided with protective shells, and the upper side wall of each protective shell is provided with a through hole for the through hole circular rack.

Preferably, a control panel is arranged on the front face of the box body and in front of the control cavity, a display screen and a control key are arranged on the control panel, and the display screen, the control key, the temperature sensor and the storage battery are electrically connected with the controller.

Compared with the prior art, the beneficial effects of the utility model are that: the elastic sheet of the utility model can deform under the extrusion action of the wind screen, so that the wind screen is tightly attached to the elastic sheet, the sealing performance among the baffle, the elastic sheet and the wind screen is ensured, the air leakage quantity and the smoke passing quantity are reduced, and the safety performance of the fire damper is improved; the utility model discloses a temperature sensor, controller and electric telescopic handle cooperation work can realize that the automatic of deep bead closes and opens, has avoided forgetting the fire prevention valve that resets because too carelessness, convenient to use.

Drawings

FIG. 1 is a schematic sectional view of the front view of the present invention;

FIG. 2 is a schematic top view of the wind deflector portion;

FIG. 3 is a side cross-sectional structural view of the mounting barrel section;

fig. 4 is a schematic perspective view of the present invention.

In the figure: 1-box body, 2-control cavity, 3-smoke exhaust cavity, 4-baffle, 5-bearing seat, 6-driven rotating shaft, 7-wind shield, 8-elastic sheet, 9-driven bevel gear, 10-driving bevel gear, 11-support for shaft, 12-driving rotating shaft, 13-heat dissipation hole, 14-heat insulation plate, 15-electric telescopic rod, 16-installation cylinder, 17-linear bearing, 18-circular rack, 19-straight gear, 20-protective shell and 21-control panel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a smoke-discharging fire-resisting damper sealed by elastic pieces comprises a box body 1, wherein a partition plate is arranged in the box body 1 and divides the interior of the box body 1 into a left control cavity 2 and a right smoke-discharging cavity 3, the smoke-discharging cavity 3 is connected with a smoke-discharging pipeline, a plurality of baffles 4 are uniformly arranged between the upper side surface and the lower side surface of the smoke-discharging cavity 3 from left to right, bearing seats 5 are arranged on the outer upper surface of the box body 1 and between the two adjacent baffles 4, two angular contact ball bearings are oppositely arranged in each bearing seat 5, driven rotating shafts 6 are arranged in the two oppositely arranged angular contact ball bearings and are used for bearing axial force and radial force applied to the driven rotating shafts 6, the lower end of each driven rotating shaft 6 penetrates through the upper side wall of the box body 1, and a wind shield 7 is arranged on the lower end surface, when the wind screens 7 are closed, smoke is prevented from passing through, an elastic sheet 8 is arranged in front of each wind screen 7 and two adjacent baffles 4, the elastic sheet 8 is arranged on the baffles 4, the elastic sheet 8 can deform under the extrusion action of the wind screens 7, so that the wind screens 7 are tightly attached to the elastic sheet 8, the sealing performance among the baffles 4, the elastic sheet 8 and the wind screens 7 is ensured, the throughput of smoke is reduced, a driven bevel gear 9 is arranged at the upper end of each driven rotating shaft 6, a driving bevel gear 10 is meshed and connected between teeth of each driven bevel gear 9, shaft supports 11 are arranged on the outer upper surface of the box body 1 and positioned on the left side and the right side of the bearing seats 5 and used for supporting and mounting, metal shaft sleeves are arranged inside the two shaft supports 11, and a driving rotating shaft 12 is arranged inside the two metal shaft sleeves, the metal axle sleeve has self-lubricating function, prolongs the life of initiative pivot 12, and is a plurality of initiative bevel gear 10 is all installed on initiative pivot 12, initiative pivot 12 is driven by actuating mechanism and is rotated, actuating mechanism work can drive initiative pivot 12 and rotate, and the intertooth meshing effect through initiative bevel gear 10 and driven bevel gear 9 can drive driven pivot 6 and rotate, be provided with louvre 13 and heat insulating board 14 on the left and right sides face of control chamber 2 respectively, play heat dissipation and thermal-insulated effect respectively, the inside of control chamber 2 is provided with battery and controller, the controller is used for controlgear operation, the inside of exhaust chamber 3 still is provided with temperature sensor for carry out temperature-detecting.

Particularly, actuating mechanism is including installing in the electric telescopic handle 15 of 3 lower surfaces in control chamber and installing in the outer upper surface of box 1 and being located the installation section of thick bamboo 16 of electric telescopic handle 15 top, linear bearing 17, two are all installed to both sides about the inside of installation section of thick bamboo 16 linear bearing 17's internally mounted has circular rack 18, two linear bearing 17 is used for rolling support circular rack 18, the lower extreme of circular rack 18 passes the last lateral wall of box 1 and links to each other with electric telescopic handle 15's output, 18 intertooth meshes of circular rack are connected with straight-teeth gear 19, straight-teeth gear 19 installs on initiative pivot 12, starts electric telescopic handle 15 work, and electric telescopic handle 15's output can drive circular rack 18 and remove, through intertooth meshing effect, can drive straight-teeth gear 19 and rotate, and then drive initiative pivot 12 and rotate.

Specifically, a through groove for passing through teeth of the spur gear 19 is formed in a side wall of the mounting cylinder 16.

Specifically, the outer upper surface of the box body 1 and the outer parts of the installation cylinder 16, the driving rotating shaft 12, the two shaft supports 11 and the plurality of driving bevel gears 10 are provided with a protective shell 20, the upper side wall of the protective shell 20 is provided with a through hole for the through hole circular rack 18, and the protective shell 20 plays a role in dust protection.

Specifically, the front of box 1 just is located the place ahead of control chamber 2 and is provided with control panel 21, control panel 21 is last to have display screen and control key, electric connection between display screen, control key, temperature sensor, battery all and the controller, with controller coordinated control work.

The working principle is as follows: when fire disaster does not happen, the smoke exhaust cavity 3 is in a conducting state, when fire disaster happens, the temperature sensor can detect the temperature of smoke in real time, a temperature signal is sent to the controller, when the set temperature is reached, the controller automatically starts the electric telescopic rod 15 to work, the output end of the electric telescopic rod 15 can drive the circular rack 18 to move downwards, the straight gear 19 can be driven to rotate through the inter-tooth meshing action, the driving rotating shaft 12 is driven to rotate, the driven rotating shaft 6 can be driven to rotate through the inter-tooth meshing action of the driving bevel gear 10 and the driven bevel gear 9, finally the plurality of wind shields 7 are driven to rotate until the wind shields 8 are contacted, the wind shields 8 can deform under the extrusion action of the wind shields 7, so that the wind shields 7 are tightly attached to the wind shields 4, the sealing performance between the wind shields 8 and the wind shields 7 is ensured, and the air leakage is reduced, the throughput of smoke is reduced, and the safety performance of the fire damper is improved; when the conflagration moves back, the temperature reduces, and controller automatic control electric telescopic handle 5 work, and electric telescopic handle 5's output rebound finally makes a plurality of deep beads 7 open, makes smoke discharging cavity 3 be in the on-state, realizes that deep bead 7's automatic closing and opening.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the record of description and attached drawing, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt conventional model among the prior art, and conventional connection mode among the circuit connection adoption prior art is added, and here detailed description is not repeated.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a shell fragment sealed fire damper that discharges fume, includes box (1), the inside of box (1) is provided with the division board, the division board is the inside partition of box (1) for left control chamber (2) and smoke exhaust chamber (3) on right side, its characterized in that: a plurality of baffles (4) are uniformly arranged between the upper side surface and the lower side surface of the smoke exhaust cavity (3) from the left side to the right side, bearing seats (5) are arranged on the outer upper surface of the box body (1) and between two adjacent baffles (4), two angular contact ball bearings are oppositely arranged in each bearing seat (5), driven rotating shafts (6) are arranged in the two angular contact ball bearings which are oppositely arranged, the lower ends of the driven rotating shafts (6) penetrate through the upper side wall of the box body (1), wind shields (7) are arranged on the lower end surface of each driven rotating shaft (6), elastic pieces (8) are arranged in front of each wind shield (7) and the two adjacent baffles (4), the elastic pieces (8) are arranged on the baffles (4), driven bevel gears (9) are arranged at the upper ends of the driven rotating shafts (6), and driving bevel gears (10) are engaged and connected between teeth of each driven bevel gear (9), the outer upper surface of box (1) and the left and right sides that is located a plurality of bearing frame (5) all are provided with axle and use support (11), two the metal axle sleeve is all installed to the inside of axle and use support (11), two the internally mounted of metal axle sleeve has initiative pivot (12), and is a plurality of initiative pivot (12) are all installed in initiative bevel gear (10), initiative pivot (12) are driven by actuating mechanism and are rotated, be provided with louvre (13) and heat insulating board (14) on the left and right sides face of control chamber (2) respectively, the inside in control chamber (2) is provided with battery and controller, the inside in chamber of discharging fume (3) still is provided with temperature sensor.

2. The shrapnel-sealed smoke-discharging fire-resisting damper of claim 1, which is characterized in that: actuating mechanism is including installing in electric telescopic handle (15) of control chamber (2) lower surface and installing in box (1) outer upper surface and being located the installation section of thick bamboo (16) of electric telescopic handle (15) top, linear bearing (17), two are all installed to both sides about the inside of installation section of thick bamboo (16) the internally mounted of linear bearing (17) has round rack (18), the lower extreme of round rack (18) passes the last lateral wall of box (1) and links to each other with the output of electric telescopic handle (15), round rack (18) intertooth tooth meshing is connected with straight-teeth gear (19), straight-teeth gear (19) are installed on initiative pivot (12).

3. The shrapnel-sealed smoke-discharging fire-resisting damper as claimed in claim 2, wherein: and a through groove for passing through the gear teeth of the straight gear (19) is formed in the side wall of the mounting cylinder (16).

4. The shrapnel-sealed smoke-discharging fire-resisting damper as claimed in claim 2, wherein: the outer upper surface of the box body (1) is provided with a protective shell (20) outside the mounting cylinder (16), the driving rotating shaft (12), the two shaft supports (11) and the driving bevel gears (10), and the upper side wall of the protective shell (20) is provided with a through hole for a through hole circular rack (18).

5. The shrapnel-sealed smoke-discharging fire-resisting damper of claim 1, which is characterized in that: the front of the box body (1) and the front of the control cavity (2) are provided with a control panel (21), the control panel (21) is provided with a display screen and a control key, and the display screen, the control key, the temperature sensor and the storage battery are electrically connected with the controller.