CN218644528U - Housing for centrifugal blower - Google Patents
Housing for centrifugal blower Download PDFInfo
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- CN218644528U CN218644528U CN202223359279.1U CN202223359279U CN218644528U CN 218644528 U CN218644528 U CN 218644528U CN 202223359279 U CN202223359279 U CN 202223359279U CN 218644528 U CN218644528 U CN 218644528U
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- dust
- annular groove
- transmission shaft
- annular
- dustproof
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model discloses a casing for centrifugal blower, include: the fan comprises a shell, wherein a blast chamber and a motor chamber are arranged in the shell, the blast chamber is communicated with the motor chamber through a communication hole, the blast chamber is used for installing an impeller, the motor chamber is used for installing a motor, the communication hole is used for penetrating a transmission shaft, and a dustproof part is arranged outside the communication hole; the dustproof piece is inserted into the communicating hole, the dustproof piece is matched with the dustproof portion, and the dustproof piece is used for being sleeved on the transmission shaft. The utility model discloses can solve the not good problem of centrifugal air-blower dustproof and waterproof effect.
Description
Technical Field
The utility model relates to an air-blower technical field especially relates to a casing for centrifugal air-blower.
Background
The centrifugal blower uses the centrifugal force generated by a rotating wheel with many blades to squeeze air to achieve a certain air quantity and pressure. Small centrifugal blowers are widely used in smoke purifiers, medical ventilators, medical equipment, household air charging equipment, and household dust suction equipment. The existing centrifugal blower generally adopts a driving motor to drive an impeller to rotate through a transmission shaft, so that dust and water vapor in the air easily enter the driving motor, the service life of the driving motor is influenced, and potential safety hazards are easily caused.
SUMMERY OF THE UTILITY MODEL
The utility model provides a casing for centrifugal blower, it can solve the not good problem of centrifugal blower dustproof and waterproof effect.
In order to solve the technical problem, the utility model provides a casing for centrifugal blower, a serial communication port, include:
the fan comprises a shell, wherein a blast chamber and a motor chamber are arranged in the shell, the blast chamber is communicated with the motor chamber through a communication hole, the blast chamber is used for installing an impeller, the motor chamber is used for installing a motor, the communication hole is used for penetrating a transmission shaft, and a dustproof part is arranged outside the communication hole;
the dustproof piece is inserted in the communication hole and matched with the dustproof portion, and the dustproof piece is used for being sleeved on the transmission shaft.
Preferably, the dust-proof part is provided with a first annular groove, the dust-proof part is provided with a first annular protrusion, and the first annular protrusion is arranged in the first annular groove.
As a preference of the above technical solution, the dust-proof portion is further provided with a second annular groove, the second annular groove is disposed outside the first annular groove, the dust-proof member is provided with a second annular protrusion, the second annular protrusion is disposed outside the first annular protrusion, and the second annular protrusion is disposed in the first annular groove.
Preferably, in the above-described aspect, a gap is provided between the first annular projection and the first annular groove, and a gap is provided between the second annular projection and the second annular groove.
As the optimization of the technical scheme, the dustproof piece is provided with a sleeving hole, and the sleeving hole is used for sleeving the transmission shaft.
Preferably, the dust-proof member is provided with an insertion portion, and the insertion portion is inserted into the communication hole.
Preferably, in the above-described aspect, a positioning portion is provided at an end of the insertion portion.
Preferably, in the above aspect, the dust-proof member is provided with a positioning plane for abutting against the impeller.
The utility model provides a casing for centrifugal blower, include: a housing and a dust guard. The air-blower is at the operation in-process, and driving motor passes through the transmission shaft and drives the impeller rotation, and under the drive of impeller, the air can be followed the air intake of air-blower and inhaled, blows off from the air outlet of air-blower, and at this in-process, the air can be difficult to avoid from the transmission shaft with inside getting into driving motor in the gap of intercommunicating pore, and dust and steam in the air can collect in driving motor, influence driving motor's operation, also can influence driving motor's life, the dust cover is established on the transmission shaft, and with the transmission shaft tight fit, can effectively reduce the air from the transmission shaft with in getting into driving motor in the space of dust, in addition, the dust with set up the dust guard cooperation in the intercommunicating pore outside, can effectively reduce the air from the dust guard with inside getting into driving motor in the gap of intercommunicating pore to can effectively solve centrifugal air-blower's driving motor dustproof waterproof problem.
The above description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following detailed description of the present invention is given.
Drawings
Fig. 1 is a schematic perspective view of a housing for a centrifugal blower according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of a blast chamber of a housing for a centrifugal blower according to an embodiment of the present invention;
fig. 3 is a schematic perspective view of a dust-proof portion of a housing for a centrifugal blower according to an embodiment of the present invention;
fig. 4 is a schematic perspective view of a dust-proof member for a housing of a centrifugal blower according to an embodiment of the present invention;
in the figure: 1. a housing; 2. a blast chamber; 3. a dust-proof member; 101. a communicating hole; 102. a dust-proof portion; 103. a first annular groove; 104. a second annular groove; 301. a first annular projection; 302. a second annular embossment; 303. sleeving holes; 304. an insertion portion; 305. a positioning part; 306. and positioning a plane.
Detailed Description
To make the objects, features and advantages of the present invention more obvious and understandable, the embodiments of the present invention are described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1 to 4, the embodiment of the present invention provides a housing 1 for a centrifugal blower, including:
the fan comprises a shell 1, wherein a blast chamber 2 and a motor chamber are arranged in the shell 1, the blast chamber 2 is communicated with the motor chamber through a communication hole 101, the blast chamber 2 is used for installing an impeller, the motor chamber is used for installing a motor, the communication hole 101 is used for penetrating a transmission shaft, and a dust-proof part 102 is arranged outside the communication hole 101;
the dustproof piece 3 is inserted into the communication hole 101, the dustproof piece 3 is matched with the dustproof portion 102, and the dustproof piece 3 is used for being sleeved on the transmission shaft.
An embodiment of the utility model provides a casing 1 for centrifugal blower, include: a housing 1 and a dust guard 3. The air-blower is at the operation in-process, and driving motor passes through the transmission shaft and drives the impeller rotation, and under the drive of impeller, the air can be followed the air intake of air-blower and inhaled, blows off from the air outlet of air-blower, and at this in-process, the air can be difficult to avoid from the transmission shaft with inside getting into driving motor in the gap of intercommunicating pore 101, and dust and steam in the air can collect in driving motor, influence driving motor's operation, also can influence driving motor's life, the 3 covers of dust proof are established on the transmission shaft, and with the transmission shaft tight fit, can effectively reduce the air from the transmission shaft with in getting into driving motor in the space of dust proof 3, in addition, dust proof 3 with set up the cooperation of dust proof 102 in the intercommunicating pore 101 outside, can effectively reduce the air from dust proof 3 with inside getting into driving motor in the gap of intercommunicating pore 101 to can effectively solve the dustproof waterproof problem of driving motor of centrifugal air-blower.
In a further embodiment of the present embodiment, the dust-proof portion 102 is provided with a first annular groove 103, the dust-proof member 3 is provided with a first annular protrusion 301, and the first annular protrusion 301 is disposed in the first annular groove 103.
In this embodiment, dust guard 102 is provided with first ring channel 103, be provided with the protruding 301 of first annular on the dust guard 3, through the protruding 301 of first annular with the cooperation of first ring channel 103, can effectively reduce the air from dust guard 3 with get into inside the driving motor in the gap of intercommunicating pore 101, dust guard 3 and transmission shaft tight fit adopt ring channel and the protruding cooperation of annular both can play dirt-proof effect, also can not influence the rotation of transmission shaft to can effectively solve centrifugal blower's driving motor dustproof and waterproof's problem.
In a further implementation manner of this embodiment, the dust-proof portion 102 is further provided with a second annular groove 104, the second annular groove 104 is disposed outside the first annular groove 103, the dust-proof member 3 is provided with a second annular protrusion 302, the second annular protrusion 302 is disposed outside the first annular protrusion 301, and the second annular protrusion 302 is disposed in the first annular groove 103.
In this embodiment, the second annular groove 104 is disposed outside the first annular groove 103, the second annular protrusion 302 is disposed outside the first annular protrusion 301, and by providing two layers of annular grooves and annular protrusions to cooperate with each other, air entering the interior of the driving motor from a gap between the dust-proof component 3 and the communication hole 101 can be further reduced, so as to further solve the dust-proof and water-proof problems of the driving motor of the centrifugal blower.
In a further embodiment of the present embodiment, a gap is formed between the first annular protrusion 301 and the first annular groove 103, and a gap is formed between the second annular protrusion 302 and the second annular groove 104.
In this embodiment, the dust-proof member 3 is tightly fitted to the transmission shaft, so that when the blower is operated, the dust-proof member 3 rotates along with the rotation of the transmission shaft, the first annular protrusion 301 and the first annular groove 103 have a gap therebetween, and the second annular protrusion 302 and the second annular groove 104 have a gap therebetween, so that the sliding friction between the dust-proof member 3 and the dust-proof portion 102 can be effectively avoided, thereby avoiding the generation of vibration and noise, and also avoiding the abrasion of the dust-proof member 3 and the dust-proof portion 102.
In a further implementation manner of this embodiment, the dust-proof component 3 is provided with a sleeve hole 303, and the sleeve hole 303 is used for being sleeved on the transmission shaft.
In this embodiment, the dust-proof piece 3 is provided with a sleeve-setting hole 303, the sleeve-setting hole 303 is used for being sleeved on the transmission shaft, the aperture of the sleeve-setting hole 303 corresponds to the diameter of the transmission shaft, and the sleeve-setting hole 303 is tightly fitted with the transmission shaft.
In a further embodiment of the present embodiment, the dust-proof member 3 is provided with an insertion portion 304, and the insertion portion 304 is inserted in the communication hole 101.
In this embodiment, the dust-proof member 3 is provided with the inserting portion 304, the inserting portion 304 is inserted into the communicating hole 101, the inserting portion 304 can play a positioning role in the assembling process, so that the assembling efficiency can be improved, and a gap is formed between the outer side wall of the inserting portion 304 and the inner side wall of the communicating hole 101, so that when the blower operates, the sliding friction between the inserting portion 304 and the communicating hole 101 can be effectively avoided, and the vibration and noise can be avoided.
In a further implementation manner of the present embodiment, the end of the inserting portion 304 is provided with a positioning portion 305.
In this embodiment, the end of the insertion portion 304 is provided with a positioning portion 305, the positioning portion 305 abuts against a preset positioning surface on the transmission shaft, and an axial positioning effect is achieved, so that a gap is formed between the first annular protrusion 301 and the first annular groove 103, and a gap is formed between the second annular protrusion 302 and the second annular groove 104.
In a further embodiment of the present embodiment, the dust-proof component 3 is provided with a positioning plane 306, and the positioning plane 306 is used for abutting against the impeller.
In this embodiment, the dust-proof component 3 is provided with a positioning plane 306, the positioning plane 306 is used for abutting against the impeller, the positioning portion 305 is provided at one end of the dust-proof component 3, the positioning plane 306 is provided at the other end of the dust-proof component 3, in the assembling process, the axial positioning of the dust-proof component 3 is completed through the positioning portion 305, and then when the impeller is installed, the axial positioning of the impeller is completed through the positioning plane 306. The dustproof piece 3 can play a role in dust prevention and water prevention and can also play a role in positioning.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A housing for a centrifugal blower, comprising:
the fan comprises a shell, wherein a blast chamber and a motor chamber are arranged in the shell, the blast chamber is communicated with the motor chamber through a communication hole, the blast chamber is used for installing an impeller, the motor chamber is used for installing a motor, the communication hole is used for penetrating a transmission shaft, and a dustproof part is arranged outside the communication hole;
the dustproof piece is inserted in the communication hole and matched with the dustproof portion, and the dustproof piece is used for being sleeved on the transmission shaft.
2. The housing of claim 1, wherein the dust guard is provided with a first annular groove, and the dust guard is provided with a first annular projection, the first annular projection being disposed in the first annular groove.
3. The housing according to claim 2, wherein the dust-proof portion is further provided with a second annular groove provided outside the first annular groove, and a second annular projection provided on the dust-proof member is provided outside the first annular projection, the second annular projection being provided in the first annular groove.
4. The housing of claim 3, wherein the first annular protrusion has a gap with the first annular groove and the second annular protrusion has a gap with the second annular groove.
5. The housing of claim 1, wherein the dust guard is provided with a sleeve hole for sleeving the transmission shaft.
6. The housing according to claim 1, wherein an insertion portion is provided on the dust-proof member, the insertion portion being inserted in the communication hole.
7. The housing according to claim 6, wherein an end of the insertion portion is provided with a positioning portion.
8. A housing according to claim 7, wherein the dust guard is provided with a locating plane for abutment with an impeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223359279.1U CN218644528U (en) | 2022-12-12 | 2022-12-12 | Housing for centrifugal blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223359279.1U CN218644528U (en) | 2022-12-12 | 2022-12-12 | Housing for centrifugal blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218644528U true CN218644528U (en) | 2023-03-17 |
Family
ID=85500176
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223359279.1U Active CN218644528U (en) | 2022-12-12 | 2022-12-12 | Housing for centrifugal blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218644528U (en) |
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2022
- 2022-12-12 CN CN202223359279.1U patent/CN218644528U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |