CN217401736U

CN217401736U - Smoke-discharging fire-proof valve

Info

Publication number: CN217401736U
Application number: CN202220416726.3U
Authority: CN
Inventors: 郑娜莉
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-09-09
Anticipated expiration: 2032-02-28

Abstract

The utility model discloses a fire prevention valve discharges fume, including the installing frame, the smoke vent has been seted up to the centre department of installing frame, and the guide way has all been seted up to the inboard top and the bottom of smoke vent, and the movable groove has all been seted up to the both sides wall of installing frame, and the movable groove sets up with the guide way intercommunication, and the activity inslot embeds the second flashboard, and second flashboard and movable groove sliding connection set up, and the top and the bottom of second flashboard all are located the guide way and second flashboard and guide way sliding connection set up. This smoke exhaust fire prevention valve through setting up first flashboard and the second flashboard of sliding construction, can effectually avoid appearing the condition in space between flashboard and the installing frame, and first flashboard and second flashboard all are located the guide way simultaneously and move about to it has the deflector that matches with first flashboard to add, makes the device can realize totally enclosed effect, has guaranteed the service quality of valve body, has improved the practicality of device greatly.

Description

Smoke-discharging fire-proof valve

Technical Field

The utility model relates to a fire prevention valve technical field that discharges fume especially relates to a fire prevention valve that discharges fume.

Background

At present, ventilation pipelines are installed in high-rise buildings, a smoke exhaust fire prevention valve is arranged in the ventilation pipelines, the smoke exhaust fire prevention valve comprises a valve body and an actuating mechanism fixed outside the valve body (generally fixed above the valve body), a valve blade is arranged in a channel of the valve body, a main shaft is fixed on the valve blade, and the main shaft extends out of the valve body and is connected with the actuating mechanism. The actuating mechanism drives the valve leaf to rotate by rotating the main shaft, so that the whole valve body is opened and closed, if the valve leaf is parallel to the cross section of the channel in the valve body, the channel is blocked by the valve leaf, the valve body is closed, and when the valve leaf is vertical to the cross section of the channel in the valve body, the opening degree of the whole valve body is maximum.

However, since the two ends of the valve leaf and the valve body need to rotate, a gap exists between the two ends of the valve leaf and the valve body, and the valve body still cannot achieve the effect of complete sealing when the valve leaf is closed.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art, the utility model provides a fire prevention valve discharges fume for solve foretell problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a smoke-discharging fireproof valve comprises a mounting frame, wherein a smoke-discharging hole is formed in the center of the mounting frame, guide grooves are formed in the top and the bottom of the inner side of the smoke-discharging hole, movable grooves are formed in two side walls of the mounting frame and communicated with the guide grooves, a second flashboard is arranged in each movable groove and is in sliding connection with the corresponding guide groove, the top and the bottom of each second flashboard are located in the corresponding guide grooves and are in sliding connection with the corresponding guide grooves, a first flashboard is installed on the corresponding side wall of each second flashboard in a sliding mode, a fixed block is installed on the front side wall of each first flashboard in a welding mode,

the mounting groove has been seted up to the preceding lateral wall of installing frame in one side of smoke vent, the rear side inner wall welded mounting of mounting groove has the biax motor, the output welded mounting of biax motor has the connecting rod, the free end welded mounting of connecting rod has the second gear, the both sides inner wall of smoke vent is located the front side rotation of second flashboard and first flashboard and installs the threaded rod, the threaded rod transversely runs through the smoke vent and extends to in the mounting groove, the threaded rod is located the inside one end welded mounting of mounting groove and has first gear, first gear sets up with the meshing of second gear, the fixed block cover is located on the threaded rod and sets up with threaded rod threaded connection, it is opposite setting to be the built-in screw thread of fixed block that corresponds the setting on two sets of first flashboards.

Preferably, the quantity of second flashboard is two sets of and be parallel corresponding arrangement, and the length of second flashboard is the quarter of smoke vent length, and the length of first flashboard is the same with the second flashboard.

Preferably, the junction of second flashboard and first flashboard is provided with sealed piece, and sealed piece is the triangle-shaped structure setting.

Preferably, the second shutter is arranged in an internal hollow structure.

Preferably, the inner wall of the rear side of the mounting groove is provided with a positioning block at the top and the bottom of the double-shaft motor in a welding mode, and the positioning block is sleeved on the connecting rod and is arranged in a sliding connection mode with the connecting rod.

Preferably, a guide plate is arranged in the middle of the guide groove, and corresponding side walls of the guide plate are attached to front and rear side walls of the first gate plate.

Compared with the prior art, the beneficial effects of the utility model are that: this fire prevention valve discharges fume through setting up sliding construction's first flashboard and second flashboard, can effectually avoid appearing the condition in space between flashboard and the installing frame, first flashboard and second flashboard all are located the guide way and move about simultaneously to it has the deflector that matches with first flashboard to add, makes the device can realize totally enclosed effect, has guaranteed the service quality of valve body, has improved the practicality of device greatly.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the first gate plate position structure of the present invention;

fig. 3 is a schematic view of the guiding groove position structure of the present invention.

In the figure: the device comprises a smoke exhaust hole 1, a mounting frame 2, a threaded rod 3, a first gear 4, a second gear 5, a connecting rod 6, a double-shaft motor 7, a sealing block 8, a first flashboard 9, a second flashboard 10, a fixing block 11, a guide plate 12, a movable groove 13, a guide groove 14 and a mounting groove 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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.

Example (b): referring to fig. 1-3, the smoke exhaust device comprises a mounting frame 2, the mounting frame 2 is arranged in a rectangular frame-shaped structure, a smoke exhaust hole 1 is formed in the center of the mounting frame 2, guide grooves 14 are formed in the top and the bottom of the inner side of the smoke exhaust hole 1, movable grooves 13 are formed in two side walls of the mounting frame 2, the movable grooves 13 are communicated with the guide grooves 14, second gate plates 10 are arranged in the movable grooves 13, the second gate plates 10 are slidably connected with the movable grooves 13, the number of the second gate plates 10 is two, the second gate plates 10 are arranged in parallel and correspondingly, the length of the second gate plates 10 is one fourth of the length of the smoke exhaust hole 1, the top and the bottom of the second gate plates 10 are both located in the guide grooves 14, the second gate plates 10 are arranged in a hollow structure, first gate plates 9 are slidably mounted on corresponding side walls of the second gate plates 10, and the length of the first gate plates 9 is the same as that of the second gate plates 10, the connecting part of the second flashboard 10 and the first flashboard 9 is provided with a sealing block 8, the sealing block 8 is arranged in a triangular structure, the first flashboard 9 and the second flashboard 10 which are provided with sliding structures can effectively avoid the condition of a gap between the flashboard and the mounting frame 1, meanwhile, the first flashboard 9 and the second flashboard 10 are both positioned in a guide groove 14 for moving, and a guide plate 12 matched with the first flashboard 9 is added, so that the device can realize the complete sealing effect, the use quality of the valve body is ensured, the practicability of the device is greatly improved, the front side wall of the first flashboard 9 is welded and provided with a fixed block 11, the front side wall of the mounting frame 2 is positioned at one side of the smoke exhaust hole 1 and is provided with a mounting groove 15, the inner wall at the rear side of the mounting groove 15 is welded and provided with a double-shaft motor 7, the output end of the double-shaft motor 7 is welded and provided with a connecting rod 6, the free end of the connecting rod 6 is welded and provided with a second gear 5, the rear side inner wall of mounting groove 15 is located the top and the bottom welded mounting of biax motor 7 and has the locating piece, the locating piece cover is located on connecting rod 6 and is set up with connecting rod 6 sliding connection, the both sides inner wall of smoke vent 1 is located the front side rotation of second flashboard 10 with first flashboard 9 and is installed threaded rod 3, threaded rod 3 transversely runs through smoke vent 1 and extends to in the mounting groove 15, threaded rod 3 is located the inside one end welded mounting of mounting groove 15 and has first gear 4, first gear 4 sets up with the meshing of second gear 5, fixed block 11 covers is located on threaded rod 3 and sets up with 3 threaded connection of threaded rod, it is opposite setting to be the built-in screw thread of fixed block 11 that is corresponding the setting on two sets of first flashboards 9, the centre department of guide way 14 is provided with deflector 12, the lateral wall laminating setting around the corresponding lateral wall of deflector 12 and first flashboard 9.

When in use: when the device is in use, if when needing to carry out the operation of discharging fume, drive biax motor 7 and drive second gear 5 and first gear 4 and rotate, cause two sets of fixed blocks 11 to drive first flashboard 9 transverse motion, when first flashboard 9 removed to second flashboard 10 department this moment, fixed block 11 extrusion second flashboard 10 continued to remove to movable chute 13, and hole 1 of discharging fume was open this moment.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 smoke exhaust fireproof valve, including installing frame (2), a serial communication port, smoke exhaust hole (1) has been seted up in the centre department of installing frame (2), guide way (14) have all been seted up to the inboard top and the bottom of smoke exhaust hole (1), movable groove (13) have all been seted up to the both sides wall of installing frame (2), movable groove (13) and guide way (14) intercommunication set up, second flashboard (10) are built-in to movable groove (13), second flashboard (10) and movable groove (13) sliding connection set up, the top and the bottom of second flashboard (10) all are located guide way (14) and second flashboard (10) and guide way (14) sliding connection set up, the corresponding lateral wall sliding mounting of second flashboard (10) has first flashboard (9), the preceding lateral wall welding of first flashboard (9) has fixed block (11),

mounting groove (15) have been seted up to the preceding lateral wall of installing frame (2) one side that is located smoke vent (1), double-shaft motor (7) are installed to the rear side inner wall welded mounting of mounting groove (15), connecting rod (6) are installed to the output welded mounting of double-shaft motor (7), the free end welded mounting of connecting rod (6) has second gear (5), the both sides inner wall of smoke vent (1) is located second flashboard (10) and rotates with the front side of first flashboard (9) and installs threaded rod (3), threaded rod (3) transversely run through smoke vent (1) and extend to in mounting groove (15), threaded rod (3) are located the inside one end welded mounting of mounting groove (15) and have first gear (4), first gear (4) set up with second gear (5) meshing, threaded rod (3) are located to fixed block (11) cover and set up with threaded connection, it is opposite setting to be corresponding fixed block (11) built-in screw thread that sets up on two sets of first flashboards (9).

2. A smoke evacuation fire damper according to claim 1, wherein the number of said second shutters (10) is two and arranged in parallel, the length of the second shutters (10) is one fourth of the length of the smoke evacuation hole (1), and the length of the first shutters (9) is the same as the length of the second shutters (10).

3. A smoke evacuation fire damper according to claim 1, characterised in that a sealing block (8) is arranged at the junction of the second shutter plate (10) and the first shutter plate (9), the sealing block (8) being arranged in a triangular configuration.

4. A smoke evacuation fire protection valve according to claim 1, wherein said second shutter (10) is provided with an internal hollow structure.

5. The smoke exhaust fire damper according to claim 1, wherein a positioning block is welded to the top and the bottom of the double-shaft motor (7) on the inner wall of the rear side of the mounting groove (15), and the positioning block is sleeved on the connecting rod (6) and is slidably connected with the connecting rod (6).

6. A smoke exhaust and fire protection valve according to claim 1, wherein a guide plate (12) is provided at the center of said guide groove (14), and the corresponding side walls of said guide plate (12) are attached to the front and rear side walls of said first shutter (9).