CN219691778U - Conveniently-replaced smoke exhaust fan - Google Patents
Conveniently-replaced smoke exhaust fan Download PDFInfo
- Publication number
- CN219691778U CN219691778U CN202321277473.7U CN202321277473U CN219691778U CN 219691778 U CN219691778 U CN 219691778U CN 202321277473 U CN202321277473 U CN 202321277473U CN 219691778 U CN219691778 U CN 219691778U
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- China
- Prior art keywords
- phase asynchronous
- asynchronous motor
- base
- smoke exhaust
- belt pulley
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- 239000000779 smoke Substances 0.000 title claims abstract description 22
- 230000008878 coupling Effects 0.000 claims abstract description 9
- 238000010168 coupling process Methods 0.000 claims abstract description 9
- 238000005859 coupling reaction Methods 0.000 claims abstract description 9
- 238000000926 separation method Methods 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000003139 buffering effect Effects 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model belongs to the technical field of smoke exhaust fans, and relates to a smoke exhaust fan convenient to replace, which comprises a base and a three-phase asynchronous motor, wherein a shell is arranged on the base, an air inlet and an air outlet are arranged on the shell, the three-phase asynchronous motor is arranged on the base through an adjusting device, and the adjusting device is used for driving the three-phase asynchronous motor to move; the inside of the shell is provided with a volute, the inside of the volute is provided with a blade, the blade is provided with a driving rod extending out of the volute, and a coupling device is arranged between the driving rod and the three-phase asynchronous motor and used for driving the blade to rotate; the three-phase asynchronous motor is installed separately from the housing, and this design allows the three-phase asynchronous motor to be replaced or maintained individually without replacing the entire housing. In addition, this design reduces maintenance time and costs and improves usability of the device.
Description
Technical Field
The utility model belongs to the technical field of smoke exhaust fans, and relates to a smoke exhaust fan convenient to replace.
Background
The current smoke exhaust fan and the three-phase asynchronous motor are integrated, so that a lot of troubles are brought to equipment maintenance, as the three-phase asynchronous motor and the smoke exhaust fan are integrally installed together, the three-phase asynchronous motor fails and needs to be replaced or repaired, the whole smoke exhaust fan needs to be replaced, the extra cost and the waste time are caused, the three-phase asynchronous motor needs to be maintained or cleaned, and the whole smoke exhaust fan needs to be detached, so that the maintenance difficulty is increased.
Disclosure of Invention
The utility model aims to provide a smoke exhaust fan convenient to replace, which can solve the problem that a three-phase asynchronous motor and the smoke exhaust fan are taken as a whole, and maintenance and replacement are unchanged.
According to the technical scheme provided by the utility model: the smoke exhaust fan convenient to replace comprises a base and a three-phase asynchronous motor, wherein a shell is arranged on the base, an air inlet and an air outlet are formed in the shell, the three-phase asynchronous motor is arranged on the base through an adjusting device, and the adjusting device is used for driving the three-phase asynchronous motor to move;
the inside of casing is equipped with the spiral case, the inside of spiral case is equipped with the blade, be equipped with the actuating lever that extends the spiral case on the blade, be equipped with coupling device between actuating lever and the three-phase asynchronous motor to be used for driving the blade rotation.
Preferably, the adjusting device comprises guide rails and fixing plates, opposite guide rails are arranged on the base, opposite sliding blocks are arranged on each guide rail, three-phase asynchronous motors are commonly installed on the four sliding blocks, the fixing plates are commonly installed among the four sliding blocks, and the fixing plates are moved to appropriate positions and fixed to the base through bolts.
Preferably, the coupling device comprises a first belt pulley, a second belt pulley, a belt and a separation assembly, wherein the separation assembly is arranged at the output end of the three-phase asynchronous motor, the first belt pulley is arranged on the separation assembly, the first belt pulley is connected with the second belt pulley through belt transmission, and the second belt pulley is sleeved on the driving rod.
Preferably, the separation assembly comprises an internal gear and a gear, the gear is sleeved on the output end of the three-phase asynchronous motor, the internal gear is mounted on the base through a supporting rotating block, and the internal gear is meshed with the gear.
Preferably, the guide rail is provided with a connecting plate together, and the connecting plate is provided with a spring for buffering the fixing plate.
Preferably, the supporting rotating block comprises a bearing ring and a supporting block, the supporting block is fixedly connected with the base, and the bearing ring is sleeved on the inner gear and is in rotating connection with the inner gear.
The utility model has the positive progress effects that:
the smoke exhaust fan convenient to replace provided by the embodiment of the utility model has the following advantages:
1. the three-phase asynchronous motor is installed separately from the housing, and this design allows the three-phase asynchronous motor to be replaced or maintained individually without replacing the entire housing, which reduces maintenance time and costs and improves the usability of the apparatus.
2. The spring is used for buffering the fixing plate so as to prevent collision when the internal gear is meshed with the gear, and further prolong the service lives of the internal gear and the gear.
Drawings
Fig. 1 is a front view of the present utility model.
Fig. 2 is a top view of the present utility model.
Fig. 3 is a side view of the present utility model.
Fig. 4 is an enlarged view of the structure at a in fig. 3.
Fig. 5 is a perspective view of the adjusting device and the coupling device of the present utility model.
In the figure: an air inlet 1; an air outlet 2; a three-phase asynchronous motor 3; a housing 4; a blade 5; a base 6; a volute 7; a guide rail 8; a coupling device 9; a first pulley 91; a second pulley 92; a belt 93; an internal gear 94; a gear 95; a connecting plate 96; a spring 97; a fixing plate 10.
Detailed Description
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
As shown in fig. 1-5, the utility model relates to a smoke exhaust fan convenient to replace, which comprises a base 6 and a three-phase asynchronous motor 3, wherein as shown in fig. 1, a shell 4 is arranged on the left side of the upper end of the base 6, an air inlet 1 is formed in the left side of the shell 4, an air outlet 2 is formed in the right side of the shell 4, the air inlet 1 and the air outlet 2 are respectively communicated with a volute 7, the three-phase asynchronous motor 3 is arranged above the right side of the upper end of the base 6, the three-phase asynchronous motor 3 is arranged on the base 6 through an adjusting device, and the adjusting device is used for driving the three-phase asynchronous motor 3 to move, so that the three-phase asynchronous motor 3 is pulled out, and the three-phase asynchronous motor 3 is convenient to maintain and replace;
the inside of casing 4 is equipped with spiral case 7, spiral case 7's inside is equipped with blade 5, be equipped with the actuating lever that extends spiral case 7 on the blade 5, be equipped with coupling device 9 between actuating lever and three-phase asynchronous motor 3 to be used for driving blade 5 rotation.
In this embodiment, as shown in fig. 5, the adjusting device includes a guide rail 8 and a fixing plate 10, opposite guide rails 8 are provided on the base 6, each guide rail 8 is provided with opposite sliders, the sliders are slidably connected with the guide rail 8, a square structure is formed between the 4 sliders, each slider is located at one corner of the square structure, three-phase asynchronous motors 3 are commonly installed on the four sliders, a fixing plate 10 is commonly installed between the opposite sides of the sliders on each guide rail 8, the fixing plate 10 is located below the three-phase asynchronous motors 3, four first threaded holes are formed on the fixing plate 10, four second threaded holes are formed on the base 6, when the replaced three-phase asynchronous motors 3 are pushed to a proper position, the positions of the first threaded European holes correspond to the positions of the second threaded holes, and the four bolts are fixed into the first threaded holes and the second threaded holes, so that the fixing of the fixing plate 10 is completed, and the fixing of the three-phase asynchronous motors 3 can be completed;
by arranging the three-phase asynchronous motor 3 on the guide rail 8 in a sliding way, the three-phase asynchronous motor 3 is very convenient to replace and maintain, the maintenance time and cost are reduced, and the reliability and safety of equipment are improved.
In this embodiment, as shown in fig. 1 and 5, the coupling device 9 includes a first belt pulley 91, a second belt pulley 92, a belt 93, and a separation assembly, where the output end of the three-phase asynchronous motor 3 is provided with the separation assembly, the separation assembly is provided with the first belt pulley 91, the first belt pulley 91 is in transmission connection with the second belt pulley 92 through the belt 93, and the second belt pulley 92 is sleeved on the driving rod.
The separation assembly comprises an inner gear 94 and a gear 95, the gear 95 is sleeved on the output end of the three-phase asynchronous motor 3, the inner gear 94 is mounted on the base 6 through a supporting rotating block, and the inner gear 94 is meshed with the gear 95.
The supporting rotating block comprises a bearing ring and a supporting block, the supporting block is fixedly connected with the base 6, the bearing ring is sleeved on the inner gear 94 and is in rotating connection with the inner gear 94, and the supporting of the inner gear 94 is formed.
The three-phase asynchronous motor 3 is moved to the appropriate position, and simultaneously, the internal gear 94 is meshed with the gear 95, so that the kinetic energy of the three-phase asynchronous motor 3 is transferred to the internal gear 94, and then the first belt pulley 91 is driven to rotate, and the second belt pulley 92 is driven to rotate through the belt 93 due to the transmission connection between the first belt pulley 91 and the second belt pulley 92, so that the blades 5 are driven to rotate, the smoke exhaust fan is driven to operate, and the smoke exhaust effect is achieved.
Preferably, the guide rail 8 is provided with a connecting plate 96, the connecting plate 96 is provided with a spring 97, and the spring 97 is used for buffering the fixing plate 10 so as to prevent collision when the internal gear 94 is meshed with the gear 95, and further prolong the service lives of the internal gear 94 and the gear 95.
It is to be understood that the above embodiments are merely illustrative of the application of the principles of the present utility model, but not in limitation thereof. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the utility model, and are also considered to be within the scope of the utility model.
Claims (3)
1. The smoke exhaust fan is characterized by comprising a base (6) and a three-phase asynchronous motor (3), wherein a shell (4) is arranged on the base (6), an air inlet (1) and an air outlet (2) are arranged on the shell (4), the three-phase asynchronous motor (3) is arranged on the base (6) through an adjusting device, and the adjusting device is used for driving the three-phase asynchronous motor (3) to move;
the novel three-phase asynchronous motor is characterized in that a volute (7) is arranged in the shell (4), blades (5) are arranged in the volute (7), a driving rod extending out of the volute (7) is arranged on the blades (5), and a coupling device (9) is arranged between the driving rod and the three-phase asynchronous motor (3) and used for driving the blades (5) to rotate;
the adjusting device comprises guide rails (8) and fixing plates (10), wherein the base (6) is provided with opposite guide rails (8), each guide rail (8) is provided with opposite sliding blocks, three-phase asynchronous motors (3) are commonly installed on the four sliding blocks, the fixing plates (10) are commonly installed among the four sliding blocks, and the fixing plates (10) are moved to proper positions and fixed on the base (6) through bolts;
the coupling device (9) comprises a first belt pulley (91), a second belt pulley (92), a belt (93) and a separation assembly, wherein the separation assembly is arranged at the output end of the three-phase asynchronous motor (3), the first belt pulley (91) is arranged on the separation assembly, the first belt pulley (91) is in transmission connection with the second belt pulley (92) through the belt (93), and the second belt pulley (92) is sleeved on the driving rod;
the separating assembly comprises an inner gear (94) and a gear (95), the gear (95) is sleeved on the output end of the three-phase asynchronous motor (3), the inner gear (94) is mounted on the base (6) through a supporting rotating block, and the inner gear (94) is meshed with the gear (95).
2. The smoke exhaust ventilator of claim 1, wherein the smoke exhaust ventilator is easy to replace, and wherein: the guide rail (8) is provided with a connecting plate (96) together, the connecting plate (96) is provided with a spring (97), and the spring (97) is used for buffering the fixing plate (10).
3. The smoke exhaust ventilator of claim 2, wherein the smoke exhaust ventilator is easy to replace, and wherein: the supporting rotating block comprises a bearing ring and a supporting block, the supporting block is fixedly connected with the base (6), the bearing ring is sleeved on the inner gear (94), and the bearing ring is in rotating connection with the inner gear (94).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321277473.7U CN219691778U (en) | 2023-05-24 | 2023-05-24 | Conveniently-replaced smoke exhaust fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321277473.7U CN219691778U (en) | 2023-05-24 | 2023-05-24 | Conveniently-replaced smoke exhaust fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219691778U true CN219691778U (en) | 2023-09-15 |
Family
ID=87940032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321277473.7U Active CN219691778U (en) | 2023-05-24 | 2023-05-24 | Conveniently-replaced smoke exhaust fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219691778U (en) |
-
2023
- 2023-05-24 CN CN202321277473.7U patent/CN219691778U/en active Active
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