Novel smoke exhaust fireproof valve

Abstract

The utility model relates to a novel smoke exhaust fireproof valve, which belongs to the technical field of smoke exhaust fireproof valves and comprises a valve body, fireproof blades, a side plate and a back plate, a supporting structure and a driving structure are arranged between the side plate and the back plate, and the supporting structure comprises four supporting columns. According to the novel smoke exhaust fireproof valve, a stable fireproof blade reinforcing rib is formed through mutual cooperation of the first supporting frame, the second supporting frame, the meshing piece and the like, the fireproof blades can be effectively supported, the load of the fireproof blades for bearing smoke heat wave impact is improved, and when smoke needs to be exhausted, the fireproof blades are not damaged. The first supporting frame, the second supporting frame and the meshing piece can be completely folded and stored between the side plate and the back plate, so that the fireproof blades in the valve body are completely opened, the situation that the opening angle of the fireproof blades is affected, and the smoke exhaust speed is affected is avoided, linear motion of the electric push rod is converted into rotation of the supporting column, and the smoke exhaust efficiency is improved. The first supporting frame and the second supporting frame are rapidly controlled to respond.

Description

TECHNICAL FIELD

[0001] The utility model relates to a smoke exhaust fire damper technical field, concretely is a novel smoke exhaust fire damper. BACKGROUND

[0002] Smoke exhaust fire damper is the essential component of fire control system in building construction, when fire occurs, smoke density exceeds the set threshold, the controller opens the valve automatically and exhausts smoke, when smoke density reduces or the temperature in the pipeline reaches 280 DEG C, the fuse acts, the controller closes the valve automatically, prevents the backflow of smoke, plays the role of smoke isolation and fire prevention, the smoke exhaust fire damper usually comprises valve body, blade, actuating mechanism, temperature sensor and controller structure, and the blade is installed on the shaft rod in the actuating mechanism, when the controller closes the valve automatically, a plurality of blades are turned over through the shaft rod, a plurality of blades are closed smoke exhaust fire damper by mutual cooperation, and the temperature sensor measures the temperature of smoke in the pipeline, when the temperature reaches the set action temperature, triggers the fuse action, so that the valve is automatically closed.

[0003] At present, in the prior art, when the smoke exhaust fire damper is in the closed state, a plurality of blades are in mutual cooperation and lapping into one piece, and the blades under high-temperature smoke directly bear the impact of smoke heat wave, the blades are supported by the installation place at both ends of the shaft rod, so that the shaft rod is damaged due to exceeding the load, and part of the smoke passes through the smoke exhaust fire damper through the gap between the blades, therefore, a novel smoke exhaust fire damper is proposed to solve the above problems. UTILITY MODEL CONTENTS

[0004] In view of the defects of the prior art, the utility model provides a novel smoke exhaust fire damper, which has the advantages of strong bearing capacity and good sealing performance, solves the problems that when the smoke exhaust fire damper is in the closed state, a plurality of blades are in mutual cooperation and lapping into one piece, and the blades under high-temperature smoke directly bear the impact of smoke heat wave, the blades are supported by the installation place at both ends of the shaft rod, so that the shaft rod is damaged due to exceeding the load, and part of the smoke passes through the smoke exhaust fire damper through the gap between the blades.

[0005] To achieve the above object, the utility model provides the following technical scheme: a novel smoke exhaust fire damper, comprising a valve body, a fireproof blade, a side plate and a back plate, the side plate and the back plate are provided with a supporting structure and a driving structure between them;

[0006] The support structure comprises four support columns, two first support frames, two second support frames, two engaging pieces, two first gears and two second gears, the four support columns are rotatably installed between the side plates and the back plate, the two first support frames are fixedly installed on the two diagonal support columns respectively, the two second support frames are fixedly installed on the two diagonal support columns respectively, the two engaging pieces are fixedly connected with the two second support frames respectively, the two engaging pieces are matched with the two first support frames respectively, the two first gears are fixedly installed on the two diagonal support columns respectively, and the two second gears are fixedly installed on the two diagonal support columns respectively.

[0007] Further, the driving structure comprises two sliding rails, two straight teeth, two Z teeth and two transmission gears, the two sliding rails are fixedly installed on the top and bottom of the valve body respectively, the two straight teeth are slidingly installed in the two sliding rails respectively, the two straight teeth are engaged with the two first gears respectively, the two Z teeth are slidingly installed in the two sliding rails respectively, the two Z teeth are engaged with the two second gears respectively, and the two transmission gears are rotatably installed on the back plate and engaged with the straight teeth and the Z teeth on the same side respectively.

[0008] Further, the side plates and the back plate are fixedly installed on the back and front of the valve body respectively, and the fireproof blades are rotatably installed in the valve body.

[0009] Further, the top and bottom of the valve body are provided with rectangular grooves, one end of the two first support frames penetrates through the two rectangular grooves respectively, one end of the two second support frames penetrates through the two rectangular grooves respectively, and notches are formed in the two first support frames.

[0010] Further, the two engaging pieces comprise abutting plates and inserting plates respectively, the inserting plates are fixedly installed on one side of the abutting plates, one end of the inserting plates penetrates into the second support frame and is fixedly connected with the second support frame, and the other end of the inserting plates is inserted into the first support frame on the same side.

[0011] Further, the inner part of the two sliding rails is fixedly installed with anti-dropping strips, limit grooves are formed in the straight teeth and the Z teeth on the same side, and the inner walls of the two limit grooves are slidingly connected with the outer surfaces of the anti-dropping strips.

[0012] Further, the top and bottom of the valve body are fixedly installed with baffle plates, connecting rods are rotatably installed between the two baffle plates and the back plate, and the two transmission gears are fixedly installed on the two connecting rods respectively.

[0013] Further, two electric push rods are fixedly installed on the back plate, and the telescopic ends of the two electric push rods are fixedly connected with the two straight teeth and the two Z teeth respectively.

[0014] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0015] The novel smoke exhaust fire valve is formed with a stable fireproof blade reinforcing rib through cooperation of the first supporting frame, the second supporting frame and the engaging piece, can effectively support the fireproof blade, and improve the load of the fireproof blade in resisting the impact of hot smoke, and when smoke needs to be exhausted, the first supporting frame, the second supporting frame and the engaging piece can be completely folded and stored between the side plate and the back plate, so that the fireproof blades inside the valve body are all opened, the opening angle of the fireproof blades is prevented from being affected to affect the smoke exhaust speed, and the linear motion of the electric push rod is converted into the rotation of the supporting column, and rapid control of the first supporting frame and the second supporting frame is realized. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the present application;

[0017] Figure 2 It is a structural schematic Figure 1 of the present application;

[0018] Figure 3 It is a perspective view of the valve, the back plate, the supporting structure and the driving structure of the present application;

[0019] Figure 4 It is an enlarged view of A in the structural schematic Figure 3 of the present application;

[0020] Figure 5 It is an enlarged view of B in the structural schematic Figure 3 of the present application;

[0021] Figure 6 It is an enlarged view of C in the structural schematic Figure 3 of the present application;

[0022] Figure 7 It is a perspective view of the supporting structure and the driving structure of the present application;

[0023] Figure 8 It is a perspective view of the first supporting frame, the second supporting frame and the engaging piece of the present application;

[0024] Figure 9 It is a structural schematic diagram of the first supporting frame and the second supporting frame of the present application;

[0025] Figure 10 It is a leaf opening state explosion view of the smoke exhaust fire valve of the present application.

[0026] In the figure: 1, valve body; 2, fireproof blade; 3, side plate; 4, back plate; 51, support column; 52, No. 1 support frame; 53, No. 2 support frame; 54, occlusion piece; 55, rectangular groove; 56, No. 1 gear; 57, No. 2 gear; 61, sliding rail; 62, straight rack; 63, Z-shaped rack; 64, transmission gear; 65, electric push rod. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0028] Embodiment one: please refer to Figures 1-10 The novel smoke exhaust fireproof valve in the embodiment comprises a valve body 1, fireproof blades 2, a side plate 3 and a back plate 4, a support structure and a driving structure are arranged between the side plate 3 and the back plate 4, the side plate 3 and the back plate 4 are fixedly installed on the back face and the front face of the valve body 1 respectively, the fireproof blades 2 are rotatably installed in the interior of the valve body 1, and the number of the fireproof blades 2 is three.

[0029] Embodiment two: please refer to Figures 1-10 On the basis of embodiment one, the support structure comprises four support columns 51, two No. 1 support frames 52, two No. 2 support frames 53, two occlusion pieces 54, two No. 1 gears 56 and two No. 2 gears 57, the four support columns 51 are rotatably installed between the side plate 3 and the back plate 4, the two No. 1 support frames 52 are fixedly installed on the opposite two support columns 51 respectively, the two No. 2 support frames 53 are fixedly installed on the opposite two support columns 51 respectively, the two occlusion pieces 54 are fixedly connected with the two No. 2 support frames 53 respectively, the two occlusion pieces 54 are mutually matched with the two No. 1 support frames 52 respectively, the two No. 1 gears 56 are fixedly installed on the opposite two support columns 51 respectively, and the two No. 2 gears 57 are fixedly installed on the opposite two support columns 51 respectively.

[0030] The top and the bottom of the valve body 1 are provided with rectangular grooves 55 respectively, one end of the two No. 1 support frames 52 penetrates the two rectangular grooves 55 respectively, one end of the two No. 2 support frames 53 penetrates the two rectangular grooves 55 respectively, and notches are formed in the two No. 1 support frames 52. The support column 51 drives the No. 1 support frame 52 and the No. 2 support frame 53 to rotate, so that the No. 1 support frame 52 and the No. 2 support frame 53 pass through the rectangular grooves 55 and rotate to the back face of the fireproof blade 2 respectively, thereby conveniently supporting the fireproof blade 2 by the No. 1 support frame 52 and the No. 2 support frame 53.

[0031] In addition, the two clamping pieces 54 respectively comprise an abutting plate and a plug-in plate, the plug-in plate is fixedly installed on one side of the abutting plate, one end of the plug-in plate penetrates into the inside of the second support frame 53 and is fixedly connected with the second support frame 53, the other end of the plug-in plate is inserted into the inside of the same side first support frame 52, the second support frame 53 is rotated, and the clamping piece 54 on the second support frame 53 is inserted into the inside of the first support frame 52, so that the same column first support frame 52, the clamping piece 54 and the second support frame 53 form a reinforcing rib of the support fireproof blade 2.

[0032] By adopting the above technical scheme, the two rotating first gears 56 and the two rotating second gears 57 drive the four support columns 51 to rotate, and then control the two first support frames 52 and the two second support frames 53 to rotate, until the top first support frame 52 and the bottom second support frame 53 are aligned, and the clamping piece 54 on the second support frame 53 is inserted into the inside of the corresponding first support frame 52, so that the same column first support frame 52, the clamping piece 54 and the second support frame 53 form a reinforcing rib of the support fireproof blade 2, thereby improving the impact load that the fireproof blade 2 can withstand.

[0033] Embodiment three: please refer to Figures 1-10 On the basis of embodiment two, the driving structure comprises two slide rails 61, two straight teeth 62, two Z teeth 63 and two transmission gears 64, the two slide rails 61 are fixedly installed on the top and the bottom of the valve body 1, the two straight teeth 62 are slidingly installed in the inside of the two slide rails 61, the two straight teeth 62 are respectively engaged with the two first gears 56, the two Z teeth 63 are slidingly installed in the inside of the two slide rails 61, the two Z teeth 63 are respectively engaged with the two second gears 57, and the two transmission gears 64 are rotatably installed on the back plate 4, and the transmission gears 64 are respectively engaged with the straight teeth 62 and the Z teeth 63 on the same side.

[0034] Among them, the inside of the two slide rails 61 is fixedly installed with an anti-dropping strip, the straight teeth 62 and the Z teeth 63 on the same side are respectively provided with a limiting groove, the inner walls of the two limiting grooves are respectively slidingly connected with the outer surfaces of the anti-dropping strips, and the straight teeth 62 and the Z teeth 63 slidingly installed in the inside of the slide rail 61 can be prevented from slipping out of the slide rail 61 under the limitation of the anti-dropping strips.

[0035] In addition, the top and the bottom of the valve body 1 are fixedly installed with baffles, the two baffles and the back plate 4 are rotatably installed with connecting rods, the two transmission gears 64 are respectively fixedly installed on the two connecting rods, the rotation of the transmission gears 64 is supported by the erection of the connecting rods, and the straight teeth 62 and the Z teeth 63 on the same side are cooperated.

[0036] It needs to be explained that two electric push rods 65 are fixedly installed on the back plate 4, the telescopic ends of the two electric push rods 65 are respectively fixedly connected with the two Z-shaped racks 63, the electric push rods 65 are started to make the electric push rods 65 retract and drive the Z-shaped racks 63 to move synchronously, and the moving Z-shaped racks 63 can drive the straight racks 62 to move synchronously through the transmission gears 64.

[0037] By adopting the technical scheme, after the fireproof blades 2 are closed, the two electric push rods 65 are started to make the electric push rods 65 retract and drive the Z-shaped racks 63 to move on the slide rails 61, and the moving Z-shaped racks 63 drive the straight racks 62 to move through the transmission gears 64 engaged with the Z-shaped racks 63, so that the straight racks 62 and the Z-shaped racks 63 on the same side move to the opposite side, the two straight racks 62 move to drive the two first gears 56 to rotate respectively, and the two Z-shaped racks 63 move to drive the two second gears 57 to rotate respectively.

[0038] The working principle of the above embodiment is as follows:

[0039] After the fireproof blades 2 are closed, the two electric push rods 65 are started to make the electric push rods 65 retract and drive the Z-shaped racks 63 to move on the slide rails 61, and the moving Z-shaped racks 63 drive the straight racks 62 to move through the transmission gears 64 engaged with the Z-shaped racks 63, so that the straight racks 62 and the Z-shaped racks 63 on the same side move to the opposite side, the two straight racks 62 move to drive the two first gears 56 to rotate respectively, and the two Z-shaped racks 63 move to drive the two second gears 57 to rotate respectively.

[0040] At this time, the two first gears 56 and the two second gears 57 rotate to drive the four supporting columns 51 to rotate, and then control the two first supporting frames 52 and the two second supporting frames 53 to rotate, until the top first supporting frame 52 and the bottom second supporting frame 53 are aligned, and the engaging pieces 54 on the second supporting frames 53 are inserted into the interiors of the corresponding first supporting frames 52, so that the first supporting frames 52, the engaging pieces 54 and the second supporting frames 53 in the same column form the reinforcing ribs supporting the fireproof blades 2, thereby improving the impact load that the fireproof blades 2 can bear.

[0041] It is to be noted that, in the present document, relational terms such as first and second and the like can 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. Moreover, 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 can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0042] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A new type of smoke exhaust fire damper valve, comprising a valve body (1), fireproof blades (2), side plates (3) and back plates (4), characterized in that; Supporting structure and driving structure are arranged between the side plate (3) and the back plate (4); The supporting structure comprises four supporting columns (51), two first supporting frames (52), two second supporting frames (53), two engaging pieces (54), two first gears (56) and two second gears (57), the four supporting columns (51) are rotatably installed between the side plate (3) and the back plate (4), the two first supporting frames (52) are fixedly installed on the opposite two supporting columns (51) respectively, the two second supporting frames (53) are fixedly installed on the opposite two supporting columns (51) respectively, the two engaging pieces (54) are fixedly connected with the two second supporting frames (53) respectively, the two engaging pieces (54) are matched with the two first supporting frames (52) respectively, the two first gears (56) are fixedly installed on the opposite two supporting columns (51) respectively, and the two second gears (57) are fixedly installed on the opposite two supporting columns (51) respectively.

2. A novel smoke evacuation fire damper according to claim 1, characterized in that: The driving structure comprises two slide rails (61), two straight teeth racks (62), two Z teeth racks (63) and two transmission gears (64), the two slide rails (61) are fixedly installed at the top and the bottom of the valve body (1) respectively, the two straight teeth racks (62) are slidably installed in the two slide rails (61) respectively, the two straight teeth racks (62) are engaged with the two first gears (56) respectively, the two Z teeth racks (63) are slidably installed in the two slide rails (61) respectively, the two Z teeth racks (63) are engaged with the two second gears (57) respectively, and the two transmission gears (64) are rotatably installed on the back plate (4) and engaged with the straight teeth rack (62) and the Z teeth rack (63) on the same side respectively.

3. A novel smoke evacuation fire damper according to claim 1, characterized in that: The side plate (3) and the back plate (4) are fixedly installed on the back surface and the front surface of the valve body (1) respectively, the fireproof blade (2) is rotatably installed in the valve body (1), and the number of the fireproof blades (2) is three.

4. A novel smoke evacuation fire damper according to claim 1, characterized in that: Rectangular grooves (55) are formed in the top and the bottom of the valve body (1), one end of each of the two first supporting frames (52) penetrates through the two rectangular grooves (55) respectively, one end of each of the two second supporting frames (53) penetrates through the two rectangular grooves (55) respectively, and notches are formed in the two first supporting frames (52).

5. A novel smoke evacuation fire damper according to claim 1, characterized in that: Each of the two engaging pieces (54) comprises an abutting plate and a plug-in plate, the plug-in plate is fixedly installed on one side of the abutting plate, one end of the plug-in plate penetrates into the second supporting frame (53) and is fixedly connected with the second supporting frame (53), and the other end of the plug-in plate is inserted into the first supporting frame (52) on the same side.

6. A novel smoke evacuation fire damper according to claim 2, characterized in that: A anti-disengagement strip is fixedly installed in each of the two slide rails (61), limit grooves are formed in the straight teeth rack (62) and the Z teeth rack (63) on the same side, and the inner walls of the two limit grooves are slidably connected with the outer surfaces of the anti-disengagement strips.

7. A novel smoke evacuation fire damper according to claim 2, characterized in that: The top and bottom of the valve body (1) are fixedly provided with baffles, the connecting rods are rotatably arranged between the two baffles and the back plate (4), and the two transmission gears (64) are fixedly arranged on the two connecting rods respectively.

8. A novel smoke evacuation fire damper according to claim 2, characterized in that: The back plate (4) is fixedly provided with two electric push rods (65), and the telescopic ends of the two electric push rods (65) are fixedly connected with the two Z-shaped racks (63) respectively.

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