Smoke exhaust device for fire engineering

Abstract

The utility model relates to the field of fire-fighting engineering, and discloses a fire-fighting engineering smoke exhaust device which comprises a mounting plate, a mounting screw rod is detachably arranged at the top of the mounting plate, a smoke exhaust pipe is fixedly connected to the inner wall of the mounting plate, a positioning block is fixedly connected to the inner wall of the smoke exhaust pipe, a driven shaft is movably connected to the inner wall of the positioning block, and the driven shaft is movably connected to the inner wall of the positioning block. The outer wall of the driven shaft is fixedly connected with blades, and the outer wall of the smoke exhaust pipe is fixedly connected with a protective shell. According to the smoke exhaust device for the fire engineering, the smoke exhaust pipe, the positioning block, the driven shaft, the blades, the protective shell, a motor, a rotating shaft, a transmission belt and a limiting plate are arranged, so that the device has the effect of being high in smoke exhaust efficiency, and when the smoke exhaust device is used for conducting smoke exhaust operation on smoke, the smoke exhaust efficiency can be improved through auxiliary structure linkage; therefore, the smoke can be quickly exhausted, the safety of the indoor environment is ensured, the situation that the safety of indoor personnel is influenced by excessive smoke accumulation caused by the smoke exhaust efficiency is avoided, and the use requirements of people are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of fire engineering, concretely is a fire engineering smoke exhaust device. BACKGROUND

[0002] Fire engineering is a comprehensive discipline, involves the mutual intersection, penetration, fusion of many disciplines, and the smoke control system is an important part of the fire protection system, which is composed of a smoke control system and a smoke exhaust system. The mechanical smoke exhaust system refers to a system provided in a certain area, which uses mechanical smoke exhaust method to exhaust the smoke generated in the fire area to the outside of the building when fire occurs, the purpose is to ensure the safety of personnel and the rescue, which is generally composed of a smoke exhaust port, a smoke exhaust duct, a pipe well, a fire damper, a smoke exhaust fan, a control system and the like.

[0003] The existing technology has the following problems:

[0004] The smoke exhaust efficiency of the fire engineering smoke exhaust device in the prior art is low, and most of the smoke exhaust devices only use simple smoke exhaust ducts for smoke exhaust operation. Due to the lack of auxiliary structure, the smoke exhaust efficiency and effect are difficult to improve, so that it cannot meet the use demand under the condition of large amount of smoke. UTILITY MODEL CONTENTS

[0005] (I) Technical problem solved

[0006] In view of the deficiencies of the prior art, the utility model provides a fire engineering smoke exhaust device, which has the advantages of high smoke exhaust efficiency, and solves the problems in the above background technology.

[0007] (II) Technical scheme

[0008] In order to realize the purpose of high smoke exhaust efficiency, the utility model provides the following technical scheme: a fire engineering smoke exhaust device, comprising a mounting plate, the top of the mounting plate is detachably provided with a mounting screw, the inner wall of the mounting plate is fixedly connected with a smoke exhaust pipe, the inner wall of the smoke exhaust pipe is fixedly connected with a positioning block, the inner wall of the positioning block is movably connected with a driven shaft, the outer wall of the driven shaft is fixedly connected with a blade, and the outer wall of the smoke exhaust pipe is fixedly connected with a protective shell.

[0009] The inner bottom wall of the protective shell is fixedly provided with a motor, the output shaft of the motor is fixedly connected with a rotating shaft through a shaft coupling, the outer wall of the rotating shaft is movably connected with a transmission belt, and the outer wall of the driven shaft is fixedly connected with a limiting plate. The device can have the effect of high smoke exhaust efficiency. When the smoke exhaust device is used for smoke exhaust operation, the efficiency of smoke exhaust can be improved through the linkage of the auxiliary structure, so that the smoke can be quickly exhausted to ensure the safety of indoor environment, avoid the excessive accumulation of smoke due to the problem of smoke exhaust efficiency, and affect the safety of indoor personnel, and meet the use demand of people.

[0010] Preferably, the front surface of the positioning block is fixedly provided with a bearing, and the positioning block is movably connected with the driven shaft through the bearing, the bearing can provide sufficient rotating support force for the driven shaft, and the driven shaft can be prevented from falling off.

[0011] Preferably, the number of the limiting plates is two, and the two limiting plates are symmetrically arranged with the horizontal center line of the driven shaft as the symmetric axis, the limiting plates can provide limiting effect for the transmission belt, so that the transmission belt can be prevented from being separated.

[0012] Preferably, the top of the smoke exhaust pipe is fixedly connected with a supporting block, and the top of the supporting block is fixedly connected with a rainproof plate, the supporting block cooperates with the rainproof plate to shield the top of the smoke exhaust pipe, so that external rainwater can be prevented from flowing into the room through the smoke exhaust pipe, and the discharged smoke can be dispersed.

[0013] Preferably, the front surface of the mounting plate is provided with a mounting groove, and the mounting plate is movably connected with the mounting screw through the mounting groove, the mounting groove makes the mounting screw extremely convenient and fast to disassemble and assemble.

[0014] Preferably, one side of the protective shell is fixedly connected with a heat dissipation net, and the heat dissipation net is a stainless steel heat dissipation net, the stainless steel heat dissipation net can prevent damage caused by rusting, and can quickly discharge heat generated by the operation of the motor through the heat dissipation net.

[0015] (Three) beneficial effects

[0016] Compared with the prior art, the fire engineering smoke exhaust device has the following beneficial effects:

[0017] The fire engineering smoke exhaust device has the effects of high smoke exhaust efficiency, and can improve the smoke exhaust efficiency through auxiliary structure linkage when the smoke exhaust device is used for smoke exhaust operation, so that the smoke can be quickly exhausted to ensure the safety of the indoor environment, avoid excessive smoke accumulation caused by low smoke exhaust efficiency, and affect the safety of indoor personnel, and meet the use requirements of people. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0019] Figure 2 It is a front sectional view of the utility model;

[0020] Figure 3 It is a three-dimensional structure schematic diagram of the utility model Figure 2 It is an enlarged view of structure A in the utility model;

[0021] Figure 4The utility model discloses a driven shaft and limit plate three -dimensional structure connection schematic diagram.

[0022] In the figure: 1, mounting plate, 2, mounting screw, 3, smoke exhaust pipe, 4, locating block, 5, bearing, 6, driven shaft, 7, blade, 8, protective shell, 9, motor, 10, rotating shaft, 11, transmission belt, 12, heat sink, 13, limit plate, 14, support block, 15, rainproof board. DETAILED DESCRIPTION

[0023] The utility model discloses an embodiment of the utility model will combine the drawings in the embodiment of the utility model, the technical scheme in the embodiment of the utility model is clearly and completely described, obviously, the embodiment described only is a part of embodiment of the utility model, instead of all the embodiment. Based on the embodiment in the utility model, all other embodiments that the ordinary skill in the art obtains without making creative labor belong to the range of protection of the utility model.

[0024] Embodiment 1

[0025] The utility model provides a fire engineering smoke exhaust device's preferable implementation such as example Figures 1 to 4 As shown in a kind of fire engineering smoke exhaust device, including mounting plate 1, the top of mounting plate 1 can be detachably provided with mounting screw 2, the inner wall of mounting plate 1 is fixedly connected with smoke exhaust pipe 3, the inner wall of smoke exhaust pipe 3 is fixedly connected with locating block 4, the inner wall of locating block 4 is movably connected with driven shaft 6, the outer wall of driven shaft 6 is fixedly connected with blade 7, the outer wall of smoke exhaust pipe 3 is fixedly connected with protective shell 8.

[0026] The inner bottom wall of protective shell 8 is fixedly installed with motor 9, the output shaft of motor 9 is fixedly connected with rotating shaft 10 through shaft coupling, the outer wall of rotating shaft 10 is movably connected with transmission belt 11, the outer wall of driven shaft 6 is fixedly connected with limit plate 13, so that the device can have the effect of high smoke exhaust efficiency, when smoke exhaust device is used for smoke exhaust operation, the efficiency of smoke exhaust can be improved through auxiliary structure linkage, so that smoke can be quickly discharged to ensure the safety of indoor environment, avoid excessive smoke accumulation due to smoke exhaust efficiency problem to affect the safety of indoor personnel, meet the use demand of people.

[0027] In the embodiment, the front of locating block 4 is fixedly installed with bearing 5, and locating block 4 is movably connected with driven shaft 6 through bearing 5, bearing 5 can give driven shaft 6 enough rotating support force, and can avoid driven shaft 6 from falling off.

[0028] Embodiment 2

[0029] On the basis of embodiment 1, the utility model provides a fire engineering smoke exhaust device's preferable implementation such as example Figures 1 to 4As shown: the number of limiting plates 13 is two, and the two limiting plates 13 are symmetrically arranged with the horizontal center line of the driven shaft 6 as the axis of symmetry, the limiting plate 13 can provide limiting effect for the transmission belt 11, so as to avoid the problem of the transmission belt 11 from being separated.

[0030] In this embodiment, the top of the smoke exhaust pipe 3 is fixedly connected with a support block 14, the top of the support block 14 is fixedly connected with a rainproof plate 15, and the support block 14 cooperates with the rainproof plate 15 to shield the top of the smoke exhaust pipe 3, so as to avoid the outside rainwater from flowing into the room through the smoke exhaust pipe 3, and the discharged smoke can be dispersed.

[0031] Further, the front surface of the mounting plate 1 is provided with a mounting groove, and the mounting plate 1 is movably connected with the mounting screw 2 through the mounting groove, so that the mounting screw 2 can be easily and quickly disassembled.

[0032] Further, the side of the protective shell 8 is fixedly connected with a heat dissipation net 12, and the heat dissipation net 12 is a stainless steel heat dissipation net. The stainless steel heat dissipation net 12 can avoid rusting and damage, and can quickly discharge the heat generated by the operation of the motor 9 through the heat dissipation net 12.

[0033] In use, the whole device can be installed to the smoke exhaust port by using the mounting screw 2 in cooperation with the mounting plate 1, then the motor 9 can be started during the smoke exhaust process, the motor 9 drives the rotating shaft 10 to rotate, so as to drive the transmission belt 11 by the rotating shaft 10, and then drive the driven shaft 6 to rotate by the transmission belt 11, then the driven shaft 6 drives the blade 7 to rotate and generates the air draft to accelerate the smoke exhaust efficiency, finally the smoke is discharged through the top of the smoke exhaust pipe 3, so as to complete the work.

[0034] In summary, the fire engineering smoke exhaust device can achieve the purpose of high smoke exhaust efficiency. When the smoke exhaust device is used for smoke exhaust operation, the efficiency of smoke exhaust can be improved through the auxiliary structure linkage, so that the smoke can be quickly discharged to ensure the safety of the indoor environment, avoid the smoke accumulation due to the problem of smoke exhaust efficiency, and affect the safety of indoor personnel, meet the use requirement of people.

[0035] It should be noted that, in this 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.

[0036] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A smoke exhaust device for fire protection engineering, comprising a mounting plate (1), characterized in that: The top of the mounting plate (1) is detachably equipped with a mounting screw (2), the inner wall of the mounting plate (1) is fixedly connected with a smoke exhaust pipe (3), the inner wall of the smoke exhaust pipe (3) is fixedly connected with a positioning block (4), the inner wall of the positioning block (4) is movably connected with a driven shaft (6), the outer wall of the driven shaft (6) is fixedly connected with a blade (7), and the outer wall of the smoke exhaust pipe (3) is fixedly connected with a protective shell (8). A motor (9) is fixedly installed on the inner bottom wall of the protective shell (8). The output shaft of the motor (9) is fixedly connected to a rotating shaft (10) via a coupling. A transmission belt (11) is movably connected to the outer wall of the rotating shaft (10). A limit plate (13) is fixedly connected to the outer wall of the driven shaft (6).

2. A smoke exhaust device for fire protection engineering according to claim 1, characterized in that: The positioning block (4) is fixedly mounted with a bearing (5) on its front side, and the positioning block (4) is movably connected to the driven shaft (6) through the bearing (5).

3. A smoke exhaust device for fire protection engineering according to claim 1, characterized in that: The number of the limiting plates (13) is two, and the two limiting plates (13) are symmetrically arranged with the horizontal center line of the driven shaft (6) as the axis of symmetry.

4. A smoke exhaust device for fire protection engineering according to claim 1, characterized in that: A support block (14) is fixedly connected to the top of the exhaust pipe (3), and a rainproof plate (15) is fixedly connected to the top of the support block (14).

5. A smoke exhaust device for fire protection engineering according to claim 1, characterized in that: The mounting plate (1) has a mounting groove on its front side, and the mounting plate (1) is movably connected to the mounting screw (2) through the mounting groove.

6. A smoke exhaust device for fire protection engineering according to claim 1, characterized in that: A heat dissipation mesh (12) is fixedly connected to one side of the protective shell (8), and the heat dissipation mesh (12) is a stainless steel heat dissipation mesh.

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