Adjustable smoke exhaust fan
By introducing casters, a support mechanism, and a motor-driven angle adjustment mechanism into the exhaust fan, the problem of matching the cylindrical angle with the ventilation duct was solved, thus improving stability and safety.
Patent Information
- Application Number
- CN202423079128.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-13
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2034-12-13
AI Technical Summary
Existing adjustable exhaust fans are difficult to match with ventilation ducts after the cylinder angle is adjusted, which can easily lead to the breakage of external ventilation ducts and affect their use.
An adjustable smoke exhaust fan was designed, which adopts a combination structure of casters, support mechanism, angle adjustment mechanism, threaded rod and motor drive. It can match the ventilation duct after the cylinder angle is adjusted, and the stability and safety are improved by the casters and protective net.
This effectively prevents ventilation duct breakage, improves product stability and safety, and enhances ease of use.
Smart Images

Figure CN223634935U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a smoke exhaust fan technology field, specifically, relate to an adjustable smoke exhaust fan. BACKGROUND
[0002] The fan is relied on the input mechanical energy, improves the gas pressure and sends the gas, it is a driven fluid machine, the fan is the habit of the gas compression and gas conveying machinery of China, the fan that commonly said includes ventilator, air blower, wind power generator, and when the fire occurs, the fan is often used to exhaust the smoke generated by the fire.
[0003] The utility model discloses a kind of adjustable smoke exhaust fans, including bottom plate, its features are: the middle part of the both sides of the bottom plate is respectively screw-connected corresponding screw rod one, the upper end of two screw rod one is respectively fixedly connected at the center of corresponding rotating disc one, the lower end of two screw rod one is respectively movably connected in the middle of corresponding square plate, the upper side of two square plates is respectively fixedly connected with symmetric group of round rods, two round rods are respectively passed through corresponding round hole, corresponding round hole is respectively arranged on the bottom plate;
[0004] The technical scheme of the scheme can adjust the smoke exhaust angle of the device according to the position of the smoke exhaust, move the cylinder to the appropriate angle, and then start the smoke exhaust. The external smoke enters the horn-shaped shell and the cylinder through the filter screen, which can filter out impurities in the smoke. At this time, the motor is started, the motor drives the fan blade to rotate, and the fan blade blows away the smoke, which can make the smoke quickly pass through the cylinder and be discharged. However, when the cylinder is adjusted in angle, it is difficult to match the connected ventilation duct, which can easily cause the external ventilation duct to break and affect the user's use.
[0005] Therefore, in view of the above, the existing structure and defects are improved, and an adjustable smoke exhaust fan is provided to achieve a more practical value. UTILITY MODEL CONTENTS
[0006] In order to make up for the above shortcomings, the utility model provides an adjustable smoke exhaust fan.
[0007] The utility model is realized as follows:
[0008] The adjustable smoke exhaust fan, including the bottom plate, the bottom end of the bottom plate is installed with universal wheel in four corners, both sides of the bottom plate are installed with a pair of support mechanism, the top end of the bottom plate is installed with the angle adjusting mechanism, the top end of the angle adjusting mechanism is connected with the cylinder, one end of the cylinder is connected with the air outlet cover, the other end of the cylinder is connected with the bellows, the inner side of the bellows is connected with the spiral reinforcing rib, one end of the bellows is connected with the air inlet pipe, the outer side of one end of the air inlet pipe is welded with the flange plate, the outer side of the air inlet pipe is sleeved with the fixed ring, the bottom end of the fixed ring is installed with the support rod, the bottom end of the support rod is fixedly connected with the bottom end of the bottom plate, the inside of the bottom plate is equipped with the first motor, the output end of the first motor is installed with the fan blade, both top end and bottom end of the first motor are installed with the fixed frame, one end of the fixed frame is fixedly connected with the inner side of the cylinder.
[0009] Further, the support mechanism includes a threaded sleeve, the inner side of the threaded sleeve is installed with a threaded rod, the bottom end of the threaded rod is welded with a universal ball, the outer side of the universal ball is sleeved with a ball seat, the bottom end of the ball seat is installed with a support plate.
[0010] Further, the top end of the threaded rod is installed with a handle.
[0011] The beneficial effect of the above further scheme is that the handle is installed at the top end of the threaded rod, which facilitates the user to rotate the threaded rod.
[0012] Further, the air outlet cover is installed with a protective net at the end away from the cylinder.
[0013] The beneficial effect of the above further scheme is that the protective net is installed at the end of the air outlet cover away from the cylinder, which improves the safety of the product.
[0014] Further, one side of the universal wheel is connected with a brake footboard.
[0015] Further, the angle adjusting mechanism includes a first retaining seat, one side of the first retaining seat is rotatably connected with a rotating shaft, one end of the rotating shaft is rotatably connected with a second retaining seat.
[0016] Further, the outer side of the rotating shaft is sleeved with a movable seat, the top end of the movable seat is fixedly connected with the bottom end of the cylinder.
[0017] Further, the inner side of the second retaining seat is rotatably connected with a transmission shaft, the outer side of the transmission shaft is sleeved with a worm, the outer side of the rotating shaft is sleeved with a worm wheel, the worm wheel and the worm are engaged, one side of the second retaining seat is installed with a second motor, the output end of the second motor is connected with one end of the transmission shaft.
[0018] Further, one side of the second retaining seat is installed with a control panel.
[0019] The utility model discloses an advantageous effect is: the utility model discloses a kind of adjustable smoke exhaust fan by above design, by the bottom end four corners of bottom plate are equipped with universal wheel, product is moved conveniently, by the setting of cylinder, bellows and air inlet pipe, when cylinder is adjusted, it can be matched with the ventilation duct connected, to avoid external ventilation duct fracture, by the output end of first motor is equipped with fan blade, realize smoke exhaust function, by the outer side welding of one end of air inlet pipe is equipped with flange, it is convenient to connect external ventilation duct, by the inner side of screw sleeve is equipped with threaded rod, it can be made to support plate support bottom plate by rotating threaded rod, improve the stability of product placement, by the outer side of universal ball is equipped with ball seat, realize that support plate can be angle adjusted, it is convenient to uneven ground use, by the top end of threaded rod is equipped with handle, it is convenient for user to rotate threaded rod, by the end away from cylinder of air outlet cover is equipped with protective net, improve the security of product, by worm wheel and worm engage, realize that transmission shaft rotates can drive rotating shaft rotation, to make movable seat drive cylinder angle adjustment, by the output end of second motor and the one end of transmission shaft are connected, realize transmission shaft electric rotation, by the one side of second retaining seat is equipped with control panel, realize equipment controllable, increase product use convenience, the utility model can effectively realize that when cylinder is adjusted, it can be matched with the ventilation duct connected, to avoid external ventilation duct fracture, with higher practical value. BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be to the drawings needed to be used in the embodiment briefly introduced, it should be understood that the following drawings only shows some embodiments of the utility model, therefore should not be regarded as the limitation to the scope, for ordinary skilled person in the art comes, under the premise of not paying creative labor, can also obtain other related drawings according to these drawings.
[0021] Figure 1 For the three-dimensional structure of the adjustable smoke exhaust fan provided by the utility model Figure 1
[0022] Figure 2 For the three-dimensional structure of the adjustable smoke exhaust fan provided by the utility model Figure 2
[0023] Figure 3 For the cylinder sectional view of the adjustable smoke exhaust fan provided by the utility model;
[0024] Figure 4 For the structure of the adjustable smoke exhaust fan provided by the utility model Figure 1 A structure of the middle of the utility model;
[0025] Figure 5 The second retaining seat profile view of the adjustable smoke exhaust fan is provided.
[0026] In the figure: 100, base plate; 101, universal wheel; 102, support mechanism; 10201, threaded sleeve; 10202, threaded rod; 10203, universal ball; 10204, ball seat; 10205, support plate; 10206, handle; 103, angle adjusting mechanism; 10301, first retaining seat; 10302, rotating shaft; 10303, movable seat; 10304, second retaining seat; 10305, second motor; 10306, transmission shaft; 10307, worm gear; 10308, worm; 104, cylinder; 105, air outlet cover; 10501, protective net; 106, corrugated pipe; 107, air inlet pipe; 108, flange plate; 109, fixing ring; 110, support rod; 111, first motor; 112, fixing frame; 113, fan blade; 114, control panel. DETAILED DESCRIPTION
[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the present application clearer, the technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0028] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0029] Embodiment one of the adjustable smoke exhaust fan
[0030] The present application provides the following technical scheme: Figures 1-5As shown, an adjustable smoke exhaust fan, including the bottom plate 100, the bottom end of the four corners of the bottom plate 100 is equipped with universal wheel 101, the two sides of the bottom plate 100 are equipped with a pair of support mechanism 102, the top end of the bottom plate 100 is equipped with angle adjusting mechanism 103, the top end of the angle adjusting mechanism 103 is connected with cylinder 104, one end of the cylinder 104 is connected with the air outlet cover 105, the other end of the cylinder 104 is connected with the bellows 106, the inner side of the bellows 106 is connected with the spiral reinforcing rib, one end of the air inlet pipe 107 is connected with the flange plate 108, the outer side of the air inlet pipe 107 is sleeved with the fixing ring 109, the bottom end of the fixing ring 109 is equipped with the support rod 110, the bottom end of the support rod 110 is fixedly connected with the bottom end of the bottom plate 100, the inside of the bottom plate 100 is equipped with the first motor 111, the output end of the first motor 111 is equipped with the fan blade 113, the top end and the bottom end of the first motor 111 are equipped with the fixing frame 112, one end of the fixing frame 112 is fixedly connected with the inner side of the cylinder 104, the bottom end of the bottom plate 100 is equipped with universal wheel 101, which facilitates the movement of the product, the setting of the cylinder 104, the bellows 106 and the air inlet pipe 107 can match the connected ventilation pipe after the angle adjustment of the cylinder, thereby avoiding the rupture of the external ventilation pipe, the outer side of one end of the air inlet pipe 107 is welded with the flange plate 108, which facilitates the external connection of the external ventilation pipe, the output end of the first motor 111 is equipped with the fan blade 113, which realizes the smoke exhaust function.
[0031] Embodiment two of the adjustable smoke exhaust fan
[0032] Refer to Figures 1-5 As shown, the support mechanism 102 includes a threaded sleeve 10201, a threaded rod 10202 is installed on the inner side of the threaded sleeve 10201, a universal ball 10203 is welded on the bottom end of the threaded rod 10202, a ball seat 10204 is sleeved on the outer side of the universal ball 10203, a support plate 10205 is installed on the bottom end of the ball seat 10204, a handle 10206 is installed on the top end of the threaded rod 10202, a protective net 10501 is installed on the end of the air outlet cover 105 away from the cylinder 104, a brake foot plate is connected to one side of the universal wheel 101, the threaded rod 10202 is installed on the inner side of the threaded sleeve 10201, which can make the support plate 10205 support the bottom plate 100 by rotating the threaded rod 10202, thereby improving the placing stability of the product, the ball seat 10204 is sleeved on the outer side of the universal ball 10203, which can adjust the angle of the support plate 10205, thereby facilitating the use of uneven ground, the handle 10206 is installed on the top end of the threaded rod 10202, which facilitates the user to rotate the threaded rod 10202, the protective net 10501 is installed on the end of the air outlet cover 105 away from the cylinder 104, which improves the safety of the product.
[0033] The utility model discloses an embodiment three of adjustable smoke exhaust fan
[0034] Referring to Figures 1-5 As shown in the figure, the angle adjusting mechanism 103 comprises a first retaining seat 10301, one side of the first retaining seat 10301 is rotatably connected with a rotating shaft 10302, one end of the rotating shaft 10302 is rotatably connected with a second retaining seat 10304, the outer side of the rotating shaft 10302 is sleeved with a movable seat 10303, the top end of the movable seat 10303 is fixedly connected with the bottom end of a cylinder 104, the inner side of the second retaining seat 10304 is rotatably connected with a transmission shaft 10306, the outer side of the transmission shaft 10306 is sleeved with a worm 10308, the outer side of the rotating shaft 10302 is sleeved with a worm wheel 10307, the worm wheel 10307 and the worm 10308 are engaged, one side of the second retaining seat 10304 is provided with a second motor 10305, the output end of the second motor 10305 is connected with one end of the transmission shaft 10306, one side of the second retaining seat 10304 is provided with a control panel 114, the transmission shaft 10306 is rotated by the engagement of the worm wheel 10307 and the worm 10308, so as to drive the rotating shaft 10302 to rotate, thereby driving the movable seat 10303 to drive the cylinder 104 to adjust the angle, the output end of the second motor 10305 is connected with one end of the transmission shaft 10306, so as to realize the electric rotation of the transmission shaft 10306, one side of the second retaining seat 10304 is provided with the control panel 114, so as to realize the controllability of the equipment and increase the convenience of product use.
[0035] Specifically, the working principle of the adjustable smoke exhaust fan: when in use, the four corners of the bottom plate 100 are provided with universal wheels 101, which facilitates the movement of the product, and the setting of the cylinder 104, the corrugated pipe 106 and the air inlet pipe 107 realizes that when the cylinder is adjusted in angle, it can match the connected ventilation duct, thereby avoiding the fracture of the external ventilation duct, the output end of the first motor 111 is provided with a fan blade 113, which realizes the smoke exhaust function, one end of the air inlet pipe 107 is welded with a flange plate 108 outside, which facilitates the external connection of the external ventilation duct, the inner side of the threaded sleeve 10201 is provided with a threaded rod 10202, which realizes that rotating the threaded rod 10202 can make the supporting plate 10205 support the bottom plate 100, thereby improving the placing stability of the product, the outer side of the universal ball 10203 is sleeved with a ball seat 10204, which realizes that the supporting plate 10205 can be adjusted in angle, which facilitates the use of uneven ground, the top end of the threaded rod 10202 is provided with a handle 10206, which facilitates the user to rotate the threaded rod 10202, the air outlet cover 105 is provided with a protective net 10501 at the end away from the cylinder 104, which improves the safety of the product, the worm gear 10307 and the worm gear 10308 are engaged, which realizes that the rotation of the transmission shaft 10306 can drive the rotation of the rotating shaft 10302, thereby making the movable seat 10303 drive the cylinder 104 to adjust in angle, the output end of the second motor 10305 is connected with one end of the transmission shaft 10306, which realizes the electric rotation of the transmission shaft 10306, one side of the second retaining seat 10304 is provided with a control panel 114, which realizes that the equipment can be controlled, thereby increasing the use convenience of the product, and the utility model can effectively realize that when the cylinder is adjusted in angle, it can match the connected ventilation duct, thereby avoiding the fracture of the external ventilation duct, and has high practical value.
[0036] It should be noted that the specific model and specifications of the first motor 111 and the second motor 10305 need to be selected and determined according to the actual specifications of the device, and the specific selection calculation method adopts the existing technology in the art, so it will not be described in detail.
[0037] The power supply and principle of the first motor 111 and the second motor 10305 are clear to those skilled in the art, and will not be described in detail here.
[0038] The above only describes the preferred embodiments of the utility model, and is not used to limit the utility model, and for those skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.
Claims
1. An adjustable exhaust fan, characterized by, The utility model provides an angle adjusting mechanism, bottom plate (100) is provided with a pair of support mechanism (102) on both sides, and the top end of bottom plate (100) is provided with angle adjusting mechanism (103), and the top end of angle adjusting mechanism (103) is connected with cylinder (104), and one end of cylinder (104) is connected with air outlet cover (105), and the other end of cylinder (104) is connected with bellows (106), and the inside of bellows (106) is connected with spiral reinforcing rib, and one end of bellows (106) is connected with air inlet pipe (107), and the outside welding of one end of air inlet pipe (107) is provided with flange (108), and the outside of air inlet pipe (107) is provided with fixed ring (109), and the bottom end of fixed ring (109) is provided with support rod (110), and the bottom end of support rod (110) is fixedly connected with the bottom end of bottom plate (100), and the inside of bottom plate (100) is provided with first motor (111), and the output of first motor (111) is provided with fan blade (113), and the top end and bottom end of first motor (111) are provided with fixed frame (112), and one end of fixed frame (112) is fixedly connected with the inside of cylinder (104).
2. An adjustable exhaust fan as claimed in claim 1, wherein, The support mechanism (102) includes a threaded sleeve (10201), the inside of the threaded sleeve (10201) is provided with a threaded rod (10202), the bottom end of the threaded rod (10202) is welded with a universal ball (10203), the outside of the universal ball (10203) is provided with a ball seat (10204), the bottom end of the ball seat (10204) is provided with a support plate (10205).
3. An adjustable exhaust fan as claimed in claim 2, wherein, The top end of the threaded rod (10202) is provided with a handle (10206).
4. The adjustable exhaust fan of claim 1, wherein, The air outlet cover (105) is provided with a protective net (10501) away from the cylinder (104) on one end.
5. An adjustable exhaust fan as defined in claim 1 wherein, One side of the universal wheel (101) is connected with a brake foot plate.
6. An adjustable exhaust fan as defined in claim 1, wherein, The angle adjusting mechanism (103) includes a first retaining seat (10301), one side of the first retaining seat (10301) is rotatably connected with a rotating shaft (10302), one end of the rotating shaft (10302) is rotatably connected with a second retaining seat (10304).
7. An adjustable exhaust fan as claimed in claim 6, wherein, The outside of the rotating shaft (10302) is provided with a movable seat (10303), and the top end of the movable seat (10303) is fixedly connected with the bottom end of the cylinder (104).
8. An adjustable exhaust fan as defined in claim 6, wherein, The inside of the second retaining seat (10304) is rotatably connected with a transmission shaft (10306), the outside of the transmission shaft (10306) is provided with a worm (10308), the outside of the rotating shaft (10302) is provided with a worm wheel (10307), the worm wheel (10307) and the worm (10308) are engaged, one side of the second retaining seat (10304) is provided with a second motor (10305), and one end of the transmission shaft (10306) is connected with the output of the second motor (10305).
9. An adjustable exhaust fan as defined in claim 6 wherein, One side of the second holding seat (10304) is provided with a control panel (114).
Citation Information
Patent Citations
Adjustable smoke exhaust fan
CN218953585U