Novel fireproof smoke exhaust air duct structure
By using a motor-driven screw to move a slider on an arc-shaped slide rail, the width of the ventilation opening in the fireproof smoke exhaust duct can be adjusted. This solves the problem of inconvenient smoke exhaust speed caused by the fixed ventilation opening in the existing fireproof smoke exhaust duct, and achieves flexible adjustment and noise reduction.
Patent Information
- Application Number
- CN202520163095.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-24
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-01-24
AI Technical Summary
The existing fireproof smoke exhaust duct has a fixed width of the ventilation opening, which cannot be adjusted according to actual needs, making it difficult to speed up the smoke exhaust process.
The motor drives the screw to move the fixed rod and slider on the arc-shaped slide rail. The width of the ventilation opening is adjusted by the adjustment plate, and noise reduction is achieved by sound-absorbing cotton.
It enables flexible adjustment of the width of the smoke exhaust duct opening according to actual needs, improving the smoke exhaust speed and ease of use, while reducing noise.
Smart Images

Figure CN223709733U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fire prevention smoke exhaust air duct technical field, especially in new type fire prevention smoke exhaust air duct structure. BACKGROUND
[0002] With the continuous improvement of people's living standards, people's requirements for the environment are getting higher and higher, and people's requirements for the quality of life are getting higher and higher, kitchen exhaust is very important in kitchen environment improvement. At present, the traditional kitchen exhaust equipment mainly has two kinds of oil smoke exhaust fan and pipeline exhaust machine. Compared with the former, the latter is cheaper, and the structure is simple and easy to maintain, and is widely used in large kitchens.
[0003] The pipeline exhaust structure is indispensable to the fire prevention smoke exhaust air duct, but the width of the existing fire prevention smoke exhaust air duct vent for kitchen exhaust is fixed, so that the fastest exhaust flow is fixed, so it is not convenient to adjust the width of the vent according to the actual exhaust demand, and then it is not convenient to quickly remove the smoke according to the actual demand, and it is not convenient to speed up the exhaust speed, and it is not convenient to use. UTILITY MODEL CONTENT
[0004] In order to overcome the deficiency that the width of the fire prevention smoke exhaust air duct vent in the prior art is fixed, so that it is not convenient to speed up the exhaust speed according to the actual exhaust demand, one of the purposes of the utility model is to provide a new type of fire prevention smoke exhaust air duct structure.
[0005] One of the purposes of the utility model is achieved by the following technical scheme: the new type of fire prevention smoke exhaust air duct structure comprises a fire prevention side plate: the upper surface of the fire prevention side plate is fixedly connected with an upper fire prevention top plate, the lower surface of the fire prevention side plate is fixedly connected with a lower fire prevention bottom plate, the inner top wall of one side of the upper fire prevention top plate is fixedly connected with a first arc-shaped sliding rail in a symmetrical manner, the inner bottom wall of one side of the lower fire prevention bottom plate close to the first arc-shaped sliding rail is fixedly connected with a second arc-shaped sliding rail in a symmetrical manner, and the inner walls of the first arc-shaped sliding rail and the second arc-shaped sliding rail are both slidably connected with sliding blocks; a recess is formed in the middle of the inner top wall of one side of the upper fire prevention top plate, a motor is fixedly connected with the side wall of one side of the upper fire prevention top plate close to the recess, the output end of the motor is fixedly connected with a screw rod, the screw rod penetrates through the recess and is rotatably connected with the recess, the outer surface of the screw rod is threadedly connected with a first moving block, the lower surface of the first moving block is fixedly connected with a fixed rod, and the outer surface of the fixed rod is rotatably connected with a first adjusting plate and a second adjusting plate; a sliding groove is formed in the inner bottom wall of one side of the lower fire prevention bottom plate close to the recess, the inner wall of the sliding groove is slidably connected with a second moving block, and the fixed rod is fixedly connected with the second moving block. It is convenient to adjust the opening angle of the first adjusting plate and the second adjusting plate through the movement of the fixed rod, so as to adjust the width of the smoke exhaust air duct vent, and then the exhaust speed can be controlled according to the actual demand, which is convenient to use.
[0006] According to the novel fireproof smoke exhaust air duct structure, the outer surface of the fixed rod is rotationally connected with a first rotation sleeve, and the first rotation sleeve is fixedly connected with the first adjusting plate.
[0007] According to the novel fireproof smoke exhaust air duct structure, the outer surface of the fixed rod is rotationally connected with a second rotation sleeve close to the first rotation sleeve, and the second rotation sleeve is fixedly connected with the second adjusting plate. The second adjusting plate is facilitated to rotate, so that the opening and closing angle of the second adjusting plate is adjusted.
[0008] According to the novel fireproof smoke exhaust air duct structure, the inner wall of the chute is fixedly connected with a support rod, and the support rod penetrates through the second moving block and is movably connected with the second moving block. The second moving block is facilitated to stably slide in the inner wall of the chute, and the sliding stability is improved.
[0009] According to the novel fireproof smoke exhaust air duct structure, the number of the sliding blocks is four, and the four sliding blocks are symmetrically and slidingly connected to the inner walls of the first arc-shaped sliding rail and the second arc-shaped sliding rail in a two-by-two combination mode. The four sliding blocks are fixedly connected with the first adjusting plate and the second adjusting plate in a two-by-two combination mode, so that the sliding blocks drive the first adjusting plate and the second adjusting plate to rotate on the outer surface of the fixed rod.
[0010] According to the novel fireproof smoke exhaust air duct structure, the size of the sliding blocks is matched with the size of the first arc-shaped sliding rail and the second arc-shaped sliding rail. The sliding blocks slide in the inner walls of the first arc-shaped sliding rail and the second arc-shaped sliding rail.
[0011] According to the novel fireproof smoke exhaust air duct structure, the upper fireproof top plate is fixedly connected with a protection box body close to one side of the motor, and the motor is fixedly connected to the inner wall of one side of the protection box body. The motor is facilitated to be protected, and damage of the motor caused by external impact is avoided.
[0012] According to the novel fireproof smoke exhaust air duct structure, the inner wall of the protection box body is fixedly connected with mute cotton. The noise generated by the motor during operation is facilitated to be adsorbed, so that the noise reduction effect is achieved
[0013] The above-mentioned scheme has the beneficial effects:
[0014] 1、Through the setting of the motor, the screw rod, the fixed rod, the first adjusting plate, the second adjusting plate, the sliding block, the first arc-shaped sliding rail and the second arc-shaped sliding rail, the motor is started to drive the screw rod to rotate to drive the fixed rod to move, so that the sliding block moves in the inner wall of the first arc-shaped sliding rail and the second arc-shaped sliding rail, and drives the first adjusting plate and the second adjusting plate to rotate on the outer surface of the fixed rod, thereby the width of the smoke exhaust air duct ventilation opening can be adjusted according to actual needs, the adjustment is convenient, and the practicability and flexibility of the smoke exhaust air duct are improved.
[0015] Additional aspects and advantages of the present application will be given in part in the following description, some will become apparent from the following description, or will be understood by those skilled in the art from the practice of the present application. BRIEF DESCRIPTION OF DRAWINGS
[0016] The present application will be further described below in combination with the drawings and examples;
[0017] Figure 1 It is a whole structure schematic view of the novel fireproof smoke exhaust air duct structure of the present application;
[0018] Figure 2 It is a structure schematic view of the clamping mechanism of the novel fireproof smoke exhaust air duct structure of the present application;
[0019] Figure 3 It is a structure schematic view of the first arc-shaped sliding rail of the novel fireproof smoke exhaust air duct structure of the present application;
[0020] Figure 4 It is a structure schematic view of the second rotating sleeve of the novel fireproof smoke exhaust air duct structure of the present application;
[0021] Figure 5 It is a structure schematic view of the first adjusting plate of the novel fireproof smoke exhaust air duct structure of the present application;
[0022] Figure 6 It is a structure schematic view of the mute cotton of the novel fireproof smoke exhaust air duct structure of the present application.
[0023] Legend:
[0024] 1, fireproof side plate; 2, upper fireproof top plate; 3, lower fireproof bottom plate; 4, first arc-shaped sliding rail; 5, second arc-shaped sliding rail; 6, sliding block; 7, groove; 8, motor; 9, screw rod; 10, first moving block; 11, fixed rod; 12, first adjusting plate; 13, second adjusting plate; 14, sliding groove; 15, second moving block; 16, first rotating sleeve; 17, second rotating sleeve; 18, support rod; 19, protective box; 20, mute cotton. DETAILED DESCRIPTION
[0025] The detailed embodiments of the present application will be described in this section. The preferred embodiments of the present application are shown in the drawings, and the drawings serve to supplement the description in the text part of the specification, so that each technical feature and the overall technical scheme of the present application can be understood intuitively and visually by people. However, it cannot be understood as a limitation on the protection scope of the present application.
[0026] With reference to Figures 1-6The utility model provides a novel fire -prevention smoke exhaust air duct structure, including fire -prevention side plate 1: the upper surface of fire -prevention side plate 1 is fixedly connected with upper fire -prevention top plate 2, the lower surface of fire -prevention side plate 1 is fixedly connected with lower fire -prevention bottom plate 3, and the inside top wall of one side of upper fire -prevention top plate 2 is fixedly connected with the first arc -shaped slide rail 4, and the inside bottom wall of lower fire -prevention bottom plate 3 is fixedly connected with the second arc -shaped slide rail 5 near one side of first arc -shaped slide rail 4, and the inner wall of first arc -shaped slide rail 4 and second arc -shaped slide rail 5 is slidably connected with sliding block 6, and the recess 7 is set up in the middle part of one side inside top wall of upper fire -prevention top plate 2, and the side wall of one side of upper fire -prevention top plate 2 is fixedly connected with motor 8 near recess 7, and the output of motor 8 is fixedly connected with screw rod 9, and screw rod 9 is through recess 7 and is rotationally connected with recess 7, and the outer surface of screw rod 9 is threadedly connected with first moving block 10, and the lower surface of first moving block 10 is fixedly connected with fixed rod 11, and the outer surface of fixed rod 11 is rotatably connected with first adjusting plate 12 and second adjusting plate 13, and the inside bottom wall of one side of lower fire -prevention bottom plate 3 is provided with sliding slot 14 near recess 7, and the inner wall of sliding slot 14 is slidably connected with second moving block 15, and fixed rod 11 is fixedly connected with second moving block 15, and the outer surface of fixed rod 11 is rotatably connected with first rotating sleeve 16, and first rotating sleeve 16 is fixedly connected with first adjusting plate 12, and the outer surface of fixed rod 11 is rotatably connected with second rotating sleeve 17 near first rotating sleeve 16, and second rotating sleeve 17 is fixedly connected with second adjusting plate 13, and the inner wall of sliding slot 14 is fixedly connected with support rod 18, and support rod 18 is through second moving block 15 and is movably connected with second moving block 15, and the number of sliding block 6 is four, and four sliding blocks 6 are symmetrically slidably connected in the inner wall of first arc -shaped slide rail 4 and second arc -shaped slide rail 5 in the form of two two combinations, and four sliding blocks 6 are fixedly connected with first adjusting plate 12 and second adjusting plate 13 respectively in the form of two two combinations, and the size of sliding block 6 is adapted to the size of first arc -shaped slide rail 4 and second arc -shaped slide rail 5, and the one side of upper fire -prevention top plate 2 is fixedly connected with protection box 19 near motor 8, and motor 8 is fixedly connected in the inside wall of one side of protection box 19, and the inner wall of protection box 19 is fixedly connected with mute cotton 20. Fire -prevention side plate 1, upper fire -prevention top plate 2, lower fire -prevention bottom plate 3, first adjusting plate 12 and second adjusting plate 13 form a smoke exhaust air duct structure, when the width of the smoke exhaust air duct structure needs to be adjusted according to actual demand, start motor 8 and drive screw rod 9 to rotate to drive first moving block 10 to move on the inner wall of recess 7 to the one side of fire -prevention side plate 1, first moving block 10 drives fixed rod 11 to move to the one side of fire -prevention side plate 1 and drives second moving block 15 to slide on the outer surface of support rod 18 and the inner wall of sliding slot 14, to drive sliding block 6 to slide on the inner wall of first arc -shaped slide rail 4 and second arc -shaped slide rail 5 to the one side away from fire -prevention side plate 1 in the process of moving, to drive first adjusting plate 12 and second adjusting plate 13 to rotate, to facilitate the width of the smoke exhaust air duct opening to be adjusted according to actual demand, to facilitate the speed of smoke exhaust to be adjusted, to effectively improve the practicability and flexibility of the smoke exhaust air duct.
[0027] Working principle: the fire side plate 1, the upper fireproof top plate 2, the lower fireproof bottom plate 3, the first adjusting plate 12 and the second adjusting plate 13 form a smoke exhaust duct structure, when it is needed to adjust the width of the ventilation opening of the smoke exhaust duct structure according to actual demand, the motor 8 is started to drive the screw rod 9 to rotate, thereby driving the first moving block 10 to move to one side of the fire side plate 1 along the inner wall of the groove 7, the first moving block 10 drives the fixed rod 11 to move to one side of the fire side plate 1 and drives the second moving block 15 to slide along the outer surface of the support rod 18 and the inner wall of the sliding groove 14, thereby driving the sliding block 6 to slide to one side away from the fire side plate 1 along the inner wall of the first arc-shaped sliding rail 4 and the second arc-shaped sliding rail 5 in the moving process, thereby driving the first adjusting plate 12 and the second adjusting plate 13 to rotate, and then it is convenient to adjust the width of the ventilation opening of the smoke exhaust duct according to actual demand, thereby it is convenient to adjust the speed of smoke exhaust, and the practicability and flexibility of the smoke exhaust duct are effectively improved.
[0028] The embodiments of the utility model are described in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by the ordinary skilled in the art without departing from the purpose of the utility model.
Claims
1. A novel fireproof smoke exhaust duct structure, characterized in that, Includes fireproof side panel (1): an upper fireproof top plate (2) is fixedly connected to the upper surface of the fireproof side panel (1), a lower fireproof bottom plate (3) is fixedly connected to the lower surface of the fireproof side panel (1), a first arc-shaped slide rail (4) is symmetrically fixedly connected to the inner top wall of one side of the upper fireproof top plate (2), a second arc-shaped slide rail (5) is symmetrically fixedly connected to the inner bottom wall of the lower fireproof bottom plate (3) near the first arc-shaped slide rail (4), and sliders (6) are slidably connected to the inner walls of the first arc-shaped slide rail (4) and the second arc-shaped slide rail (5); A groove (7) is provided in the middle of the inner top wall of one side of the upper fireproof top plate (2). A motor (8) is fixedly connected to the side wall of the upper fireproof top plate (2) near the groove (7). A screw (9) is fixedly connected to the output end of the motor (8). The screw (9) passes through the groove (7) and is rotatably connected to the groove (7). A first moving block (10) is threadedly connected to the outer surface of the screw (9). A fixing rod (11) is fixedly connected to the lower surface of the first moving block (10). A first adjusting plate (12) and a second adjusting plate (13) are rotatably connected to the outer surface of the fixing rod (11). A sliding groove (14) is provided in the inner bottom wall of the lower fireproof bottom plate (3) near the groove (7). A second moving block (15) is slidably connected to the inner wall of the sliding groove (14). The fixing rod (11) is fixedly connected to the second moving block (15).
2. The novel fireproof smoke exhaust duct structure according to claim 1, characterized in that, The outer surface of the fixed rod (11) is rotatably connected to a first rotating sleeve (16), and the first rotating sleeve (16) is fixedly connected to the first adjusting plate (12).
3. The novel fireproof smoke exhaust duct structure according to claim 2, characterized in that, The fixed rod (11) is rotatably connected to the second rotating sleeve (17) near the outer surface of the first rotating sleeve (16), and the second rotating sleeve (17) is fixedly connected to the second adjusting plate (13).
4. The novel fireproof smoke exhaust duct structure according to claim 1, characterized in that, A support rod (18) is fixedly connected to the inner wall of the slide (14). The support rod (18) passes through the second moving block (15) and is movably connected to the second moving block (15).
5. The novel fireproof smoke exhaust duct structure according to claim 1, characterized in that, The number of sliders (6) is four. The four sliders (6) are symmetrically connected to the inner walls of the first arc-shaped slide rail (4) and the second arc-shaped slide rail (5) in pairs. The four sliders (6) are fixedly connected to the first adjusting plate (12) and the second adjusting plate (13) in pairs respectively.
6. The novel fireproof smoke exhaust duct structure according to claim 1, characterized in that, The size of the slider (6) is adapted to the size of the first arc-shaped slide rail (4) and the second arc-shaped slide rail (5).
7. The novel fireproof smoke exhaust duct structure according to claim 1, characterized in that, The upper fireproof top plate (2) is fixedly connected to a protective box (19) on the side near the motor (8), and the motor (8) is fixedly connected to the inner wall of one side of the protective box (19).
8. The novel fireproof smoke exhaust duct structure according to claim 7, characterized in that, The inner wall of the protective box (19) is fixedly connected with sound-absorbing cotton (20).