CN219691847U - Shockproof centrifugal ventilator with speed reduction buffer structure - Google Patents
Shockproof centrifugal ventilator with speed reduction buffer structure Download PDFInfo
- Publication number
- CN219691847U CN219691847U CN202320422228.4U CN202320422228U CN219691847U CN 219691847 U CN219691847 U CN 219691847U CN 202320422228 U CN202320422228 U CN 202320422228U CN 219691847 U CN219691847 U CN 219691847U
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- Prior art keywords
- shell
- buffer
- damping
- impeller
- column
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- 230000035939 shock Effects 0.000 claims abstract description 25
- 238000013016 damping Methods 0.000 claims abstract description 19
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000000741 silica gel Substances 0.000 claims abstract description 11
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 11
- 230000001681 protective effect Effects 0.000 claims description 15
- 238000010521 absorption reaction Methods 0.000 claims description 11
- 210000001503 joint Anatomy 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 3
- 238000002347 injection Methods 0.000 claims description 3
- 239000007924 injection Substances 0.000 claims description 3
- 230000030279 gene silencing Effects 0.000 claims description 2
- 239000006096 absorbing agent Substances 0.000 abstract description 11
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a shockproof centrifugal ventilator with a speed reduction buffer structure, which comprises: the shell is of a volute-shaped shell structure, damping supports are arranged on two sides of the shell in a sliding connection mode, arc-shaped supporting blocks which are connected with the bottom end of the shell in a clamping mode are arranged in the damping supports, auxiliary spring rods are arranged in the arc-shaped supporting blocks, telescopic columns are arranged at the bottom ends of the damping supports, and buffer cushions are arranged on two sides of the telescopic columns; the support base, it is installed the shock absorber support lower extreme, support the inside telescopic column of base and cushion bottom connection, and support the base bottom and be provided with anti-skidding decorative pattern, through the inside auxiliary bearing and the spacing ball that are located pivot one end of device, provide spacingly supplementary to pivot rotation position, provide spacingly supplementary when using the impeller rotation work, provide spacingly for the impeller position, cooperate inside annular silica gel piece to weaken the buffering to rocking that the impeller appears.
Description
Technical Field
The utility model relates to the technical field of centrifugal ventilators, in particular to a shockproof centrifugal ventilator with a speed reduction buffer structure.
Background
The centrifugal ventilator mainly comprises an impeller for generating wind pressure and transmitting energy, a casing for introducing gas and exhausting gas, and a shaft coupling for connecting a motor and the fan to transmit torque, wherein the impeller is installed and fixed through a shaft, the shaft coupling, the motor and the impeller are used for transmitting energy to the gas in the interior, and the gas is diffused and output to the periphery through centrifugal force generated by rotation.
When the centrifugal ventilator is used, the centrifugal ventilator is directly connected with the end part of the ventilating duct, shake can be integrally caused by the centrifugal force generated by rotation of fan blades, integral operation is affected, friction is easy to occur, and when the centrifugal force occurs due to driving of an internal impeller by a motor, the centrifugal ventilator is vibrated to the ground through the transmission of the shell, displacement is caused to cause friction between the shell and the ground, and the air inlet is in an open state, so that solid sundries are carried by air entering the fan, and the rotation of the impeller is affected.
Disclosure of Invention
The utility model aims to provide a shockproof centrifugal ventilator with a speed reduction buffer structure, which solves the problems that in the background technology, shaking can be integrally generated due to the fact that centrifugal force is generated by rotation of fan blades, integral operation is influenced, when centrifugal force is generated by rotation of an impeller, the centrifugal force is transmitted to the ground through a shell, displacement is generated by friction of the centrifugal fan and the shell to influence use, and solid sundries are carried by gas entering the fan due to the fact that the position of an air inlet is in an open state, and the rotation of the impeller is influenced.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a take precautions against earthquakes centrifugal fan with speed reduction buffer structure, includes the casing, and it sets up to spiral case form shell structure, casing both sides sliding connection is provided with the shock absorber support, and the shock absorber support inside be provided with the arc support piece of casing bottom block connection to this arc support piece inside is provided with auxiliary spring pole, the shock absorber support bottom is provided with the telescopic column, and the telescopic column both sides all are provided with the blotter;
the support base is arranged at the lower end of the shock absorption support, the inside of the support base is connected with the bottom end of the telescopic column and the bottom end of the buffer pad, the bottom end of the support base is provided with anti-skid patterns, the air inlet of the shell is connected with a protective air plate through bolts, and a limiting ring is arranged inside the protective air plate;
the buffer column, its one end is installed inside the spacing ring, the gap is left inside buffer column other end and the pivot, and buffer column lateral wall is provided with auxiliary bearing, spacing ball is provided with to spacing ring lateral wall inside symmetry, and spacing ball and pivot inner wall track contact, the pivot lateral wall is provided with the impeller.
By adopting the technical scheme, the device internal structure is convenient to provide a stable working environment, and vibration generated during rotation of the impeller is buffered.
Preferably, the inner wall of the shell is provided with a sound-absorbing silencing cotton structure, the inside of the shell is penetrated by the output end of the motor, and the motor is connected with one end of the rotating shaft.
By adopting the technical scheme, the noise generated in the operation of the motor inside the shell is absorbed, and the volume of the noise is reduced.
Preferably, the auxiliary spring rod and the telescopic column are of two-section sliding pipe structures, and the outer wall surfaces of the auxiliary spring rod and the telescopic column are wound with spring structures.
By adopting the technical scheme, the auxiliary spring rod and the telescopic column are convenient to provide corresponding damping operation for the damping bracket and the shell.
Preferably, the cushion pad is of a block structure made of silica gel, and the upper ends of the 2 cushion pads are connected with the bottom end plate body of the damping support in a clamping mode.
By adopting the technical scheme, the buffer pad is convenient to cooperate to absorb the vibration of the shell, so that the buffer and shock absorption are realized.
Preferably, the inside perforation that evenly is provided with of guard plate, and the spacing ring cross section of guard plate inside sets up to U-shaped structure to spacing ring inside is provided with the filler pipe with spacing ball recess butt joint.
By adopting the technical scheme, the air protection plate is convenient for filtering the fluid entering the shell, and the internal impeller is protected to rotate for use.
Preferably, the rotating shaft is internally provided with a groove which is connected with the limiting ring in a clamping way, an annular silica gel block is arranged between the limiting ring and the buffer column, and the buffer column consists of a spring telescopic tube and a cylinder.
By adopting the technical scheme, the rotating shaft is convenient to be matched with the buffer column inside the limiting ring, and the displacement state of the rotating shaft is limited.
Compared with the prior art, the utility model has the beneficial effects that: this take precautions against earthquakes centrifugal fan with speed reduction buffer structure:
1. when the device is used, the auxiliary bearing and the limiting ball at one end of the rotating shaft are arranged in the device to assist the rotating position of the rotating shaft, limit assistance is provided for the rotating operation of the impeller, limit is provided for the position of the impeller, and the shaking of the impeller is weakened and buffered by matching with the annular silica gel block in the device, so that the device can be kept in a stable state when in use;
2. the vibration of the shell is buffered by the rotation of the impeller and the motor through the auxiliary spring rod and the buffer cushion at the bottom of the damping support in the device, the integral vibration state is further weakened through the spring structure of the telescopic column of the supporting base, the vibration state is further weakened through the buffer cushion, the stable support is provided for the position of the shell, and the deviation state is prevented;
3. through the inside guard plate of device protect through the air intake opening position of bolt with the casing, it is spacing to the position of spacing ring simultaneously, be convenient for provide support to impeller and pivot one end, the inside impeller of supplementary casing rotates, cooperates auxiliary bearing and spacing ball to provide the transmission buffering of energy when impeller speed reduction and speed increasing, weakens the shake of impeller.
Drawings
FIG. 1 is a schematic diagram of the overall internal front view of the present utility model;
FIG. 2 is a schematic diagram of the overall external front view of the present utility model;
FIG. 3 is a schematic diagram of the overall internal side view of the present utility model;
fig. 4 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.
In the figure: 1. a housing; 2. a shock absorbing bracket; 3. an auxiliary spring rod; 4. a telescopic column; 5. a cushion pad; 6. a support base; 7. a protective air plate; 8. a limiting ring; 9. a buffer column; 10. an auxiliary bearing; 11. a filler pipe; 12. limiting balls; 13. a rotating shaft; 14. an impeller; 15. and a motor.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: a shockproof centrifugal ventilator with a speed reduction buffer structure comprises a shell 1, a shock absorption bracket 2, an auxiliary spring rod 3, a telescopic column 4, a buffer cushion 5, a support base 6, a protective air plate 7, a limit ring 8, a buffer column 9, an auxiliary bearing 10, an oil filling pipe 11, a limit ball 12, a rotating shaft 13, an impeller 14 and a motor 15;
the shell 1 is of a volute-shaped shell structure, shock absorbing brackets 2 are arranged on two sides of the shell 1 in a sliding connection mode, arc-shaped supporting blocks which are connected with the bottom end of the shell 1 in a clamping mode are arranged inside the shock absorbing brackets 2, auxiliary spring rods 3 are arranged inside the arc-shaped supporting blocks, telescopic columns 4 are arranged at the bottom ends of the shock absorbing brackets 2, buffer pads 5 are arranged on two sides of the telescopic columns 4, a sound-absorbing noise-absorbing cotton structure is arranged on the inner wall of the shell 1, the inside of the shell 1 is penetrated by the output end of a motor 15, the motor 15 is connected with one end of a rotating shaft 13, the auxiliary spring rods 3 and the telescopic columns 4 are of a two-section sliding tube structure, and spring structures are wound on the outer wall surfaces of the auxiliary spring rods 3 and the telescopic columns 4;
when the shock absorber is used, grooves formed in two sides of the shell 1 are slidably connected with plate structures on two sides of the upper end of the shock absorber support 2, an arc-shaped supporting block is arranged above the plate structures at the bottom end of the shock absorber support 2, the inner radian of the arc-shaped supporting block is in butt joint with the radian of the bottom end of the shell 1, 1 cushion pad 5 is matched to support the bottom end of the shell 1, as shown in fig. 1, an auxiliary spring rod 3 positioned between the bottom end of the shock absorber support 2 and the arc-shaped supporting block is matched with a damping piece which is arranged inside and absorbs elastic potential energy through an external spring structure, so that shock absorption operation on the shell 1 is realized, a supporting base 6 is matched to provide support for the shell 1 in the shock absorber support 2, and 2 cushion pads 5 are arranged between the shock absorber support 2 and the supporting base 6, as shown in fig. 1, and the shock absorber support 2 above is matched to perform the shock absorption operation;
the support base 6 is arranged at the lower end of the shock absorption support 2, the inside of the support base 6 is connected with the bottom ends of the telescopic column 4 and the buffer pad 5, the bottom end of the support base 6 is provided with anti-skid patterns, an air inlet of the shell 1 is connected with the protective air plate 7 through bolts, the inside of the protective air plate 7 is provided with a limiting ring 8, the buffer pad 5 is of a block structure made of silica gel, the upper ends of the 2 buffer pads 5 are connected with the bottom end plate body of the shock absorption support 2 in a clamping manner, through holes are uniformly formed in the inside of the protective air plate 7, the cross section of the limiting ring 8 in the protective air plate 7 is of a U-shaped structure, and an oil injection pipe 11 butted with a groove of the limiting ball 12 is arranged in the limiting ring 8;
2 cushion pads 5 are matched with a telescopic column 4, so that a spring structure outside the telescopic column 4 and an internal damping piece assist 2 cushion pads 5 to perform damping operation, a stable working environment is provided for the working ring of the shell 1, 3 cushion pads 5 are of block structures made of silica gel, vibration generated by the shell 1 is buffered when the shell is used, the vibration of the shell 1 drives an impeller 14 to rotate under the drive of electric power through a motor 15 to generate vibration when centrifugal force occurs, the impeller 14 influences normal rotation of a rotating shaft 13, a protective air plate 7 is arranged at the position of an air inlet of the shell 1 through bolts, as shown in fig. 3, a limiting ring 8 inside the protective air plate 7 is connected with the rotating shaft 13 for use, and an oil injection pipe 11 positioned inside the limiting ring 8 is convenient for injecting working oil into the limiting ball 12, so that the limiting ball 12 is convenient for assisting the rotating shaft 13 to use;
the buffer column 9, one end of which is installed inside the limit ring 8, a gap is reserved between the other end of the buffer column 9 and the inside of the rotating shaft 13, an auxiliary bearing 10 is arranged on the side wall of the buffer column 9, limit balls 12 are symmetrically arranged inside the side wall of the limit ring 8, the limit balls 12 are in track contact with the inner wall of the rotating shaft 13, an impeller 14 is arranged on the side wall of the rotating shaft 13, a groove which is in clamping connection with the limit ring 8 is arranged inside the rotating shaft 13, an annular silica gel block is arranged between the limit ring 8 and the buffer column 9, and the buffer column 9 consists of a spring telescopic tube and a cylinder;
the cylinder structure of the buffer column 9 is in butt joint with the inner groove of the limit ring 8, as shown in fig. 3, the annular silica gel block arranged at the connecting position of the limit ring 8 and the buffer column 9 is used for buffering the displacement of the rotating shaft 13 and the impact force of the back and forth displacement, so that the limit balls 12 on the outer wall of the limit ring 8 provide limit operation when sliding inside the track of the rotating shaft 13, the auxiliary rotating shaft 13 is convenient to keep stable in use, the spring telescopic tube matched with the buffer column 9 is supported by the soft cushion at the output end of the spring telescopic tube of the buffer column 9 when the auxiliary rotating shaft 13 is in a forward tilting state, the rotating shaft 13 is pushed to reset by matched with the elastic force of the inner spring, meanwhile, the auxiliary bearing 10 on the side wall of the buffer column 9 is a ball bearing, the rotating shaft 13 is matched with the limit ring 8 through the inner ball structure, the rotating shaft 13 is connected with the impeller 14 when in use, and the rotating shaft 13 is driven by the motor 15 to drive the impeller 14 to rotate as shown in fig. 1 and 3.
Working principle: when the vibration-proof centrifugal ventilator with the speed reduction buffer structure is used, the output end of the electric drive motor 15 drives the rotating shaft 13 to drive the impeller 14 to rotate inside the shell 1, the auxiliary bearing 10 matched with the limiting ball 12 on the side wall of the limiting ring 8 and the auxiliary bearing 10 on the side wall of the buffer column 9 is used when the rotating shaft 13 rotates, the auxiliary rotating shaft 13 rotates to be stable, shaking generated when the auxiliary rotating shaft 13 rotates is buffered by the inner annular silica gel block, air flow enters the shaking generated by the centrifugal force generated by the rotation of the impeller 14 through the protective air plate 7, the shaking is transmitted downwards by the shell 1, the shaking is buffered by the elasticity of the auxiliary spring rod 3 inside the shock absorption support 2 and the spring structure of the telescopic column 4 and the damping structure of the absorption elasticity inside, the buffer cushion 5 matched with the buffer pad 3 is located inside the support base 6 and is further buffered at the upper end, vibration generated in the operation of the shell 1 is reduced, and the overall practicability is increased.
Although embodiments of the present utility model have been shown 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 principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a take precautions against earthquakes formula centrifugal fan with speed reduction buffer structure, includes casing (1), support base (6) and buffer column (9), its characterized in that:
the shell body (1) is of a volute-shaped shell structure, damping supports (2) are arranged on two sides of the shell body (1) in a sliding connection mode, arc-shaped supporting blocks which are connected with the bottom end of the shell body (1) in a clamping mode are arranged inside the damping supports (2), auxiliary spring rods (3) are arranged inside the arc-shaped supporting blocks, telescopic columns (4) are arranged at the bottom ends of the damping supports (2), and buffer cushions (5) are arranged on two sides of the telescopic columns (4);
the support base (6) is arranged at the lower end of the shock absorption bracket (2), the inside of the support base (6) is connected with the bottom end of the telescopic column (4) and the bottom end of the buffer pad (5), the bottom end of the support base (6) is provided with anti-skid patterns, the air inlet of the shell (1) is connected with the protective air plate (7) through bolts, and the inside of the protective air plate (7) is provided with the limiting ring (8);
the buffer column (9), its one end is installed inside spacing ring (8), the gap is left inside buffer column (9) other end and pivot (13), and buffer column (9) lateral wall is provided with auxiliary bearing (10), spacing ball (12) are provided with to spacing ring (8) lateral wall inside symmetry, and spacing ball (12) and pivot (13) inner wall track contact, pivot (13) lateral wall is provided with impeller (14).
2. A vibration-damping centrifugal fan provided with a speed reducing structure according to claim 1, characterized in that: the inner wall of the shell (1) is provided with a sound-absorbing silencing cotton structure, the inside of the shell (1) is penetrated by the output end of the motor (15), and the motor (15) is connected with one end of the rotating shaft (13).
3. A vibration-damping centrifugal fan provided with a speed reducing structure according to claim 1, characterized in that: the auxiliary spring rod (3) and the telescopic column (4) are of two-section sliding pipe structures, and spring structures are wound on the outer wall surfaces of the auxiliary spring rod (3) and the telescopic column (4).
4. A vibration-damping centrifugal fan provided with a speed reducing structure according to claim 1, characterized in that: the cushion pad (5) is of a block structure made of silica gel, and the upper ends of the 2 cushion pads (5) are connected with the bottom end plate body of the shock absorption bracket (2) in a clamping mode.
5. A vibration-damping centrifugal fan provided with a speed reducing structure according to claim 1, characterized in that: the inside of the protective air plate (7) is uniformly provided with through holes, the cross section of a limiting ring (8) inside the protective air plate (7) is of a U-shaped structure, and an oil injection pipe (11) which is in butt joint with a groove of a limiting ball (12) is arranged inside the limiting ring (8).
6. A vibration-damping centrifugal fan provided with a speed reducing structure according to claim 1, characterized in that: the rotary shaft (13) is internally provided with a groove which is connected with the limiting ring (8) in a clamping way, an annular silica gel block is arranged between the limiting ring (8) and the buffer column (9), and the buffer column (9) consists of a spring telescopic tube and a cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320422228.4U CN219691847U (en) | 2023-03-08 | 2023-03-08 | Shockproof centrifugal ventilator with speed reduction buffer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320422228.4U CN219691847U (en) | 2023-03-08 | 2023-03-08 | Shockproof centrifugal ventilator with speed reduction buffer structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219691847U true CN219691847U (en) | 2023-09-15 |
Family
ID=87966624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320422228.4U Active CN219691847U (en) | 2023-03-08 | 2023-03-08 | Shockproof centrifugal ventilator with speed reduction buffer structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219691847U (en) |
-
2023
- 2023-03-08 CN CN202320422228.4U patent/CN219691847U/en active Active
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