CN215605361U - Hand-held type dust catcher - Google Patents
Hand-held type dust catcher Download PDFInfo
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- CN215605361U CN215605361U CN202120612431.9U CN202120612431U CN215605361U CN 215605361 U CN215605361 U CN 215605361U CN 202120612431 U CN202120612431 U CN 202120612431U CN 215605361 U CN215605361 U CN 215605361U
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Abstract
The utility model discloses a handheld dust collector, belongs to the field of dust collectors, and solves the problem that the internal structure of a handheld body is exposed after a fan assembly is disassembled in the prior art. The utility model is mainly used for improving the product aesthetic property and generating cyclone, which is beneficial to heat dissipation.
Description
Technical Field
The utility model relates to a dust collector, in particular to a handheld dust collector.
Background
The prior handheld vacuum cleaner generally comprises a handheld body, a fan assembly and a dust collector, wherein the fan assembly is generally fixed on the handheld body, and the dust collector is designed to be detachable. If the fan assembly is to be disassembled, the internal structure of the handheld body is completely exposed, which brings a sense of low grade to users, and therefore, the appearance structure of the handheld body needs to be improved to improve the product aesthetic property.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a handheld dust collector, which improves the product aesthetic property and generates cyclone to be beneficial to heat dissipation.
In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a hand-held type dust catcher, including handheld body, fan assembly and dust arrester, this internal driving motor who drives fan assembly of handheld, fan assembly can dismantle to be connected in the front end of handheld body, the dust arrester is connected in fan assembly's front end, the front end of handheld body is equipped with the divertor that the guide air got into handheld body, the divertor includes the water conservancy diversion piece of a plurality of annular distributions, form air inlet channel between two liang of adjacent water conservancy diversion pieces, the water conservancy diversion piece slope sets up in order to form whirlwind and shelter from the inner structure of handheld body.
Preferably, the cross-sectional area of the air inlet channel is equal everywhere.
As a further preferable scheme, the cross section of the air inlet channel is in a fan-shaped ring.
As a further preferable mode, the cross-sectional area S of the air intake passage is pi r1 2-πr2 2-nB(r1-r2)，r1Is the radius of the circumference where the outer side wall of the air inlet channel is positioned, r2The axial length of the guide vanes is L, and L is equal to S/[ n (r)1-r2)]＝π×(r1+r2)/n-B。
Still more preferably, n is 15 to 20.
Preferably, the hand-held body comprises an outer shell, and the fluid director is integrally formed with the outer shell or is installed and connected with the outer shell.
Preferably, an inner shell for wrapping the driving motor is arranged in the outer shell, a ventilation channel is formed between the inner shell and the outer shell, and the front end of the ventilation channel is communicated with the air inlet channel.
As a further preferred scheme, the flow guider comprises a connecting sleeve, the connecting sleeve extends backwards, the flow deflectors are annularly distributed around the connecting sleeve, and the front end of the inner shell is spliced with the connecting sleeve.
As a further preferable scheme, an end cover is arranged at the rear end of the outer shell, and the rear end of the inner shell is fixedly connected with the end cover, so that the inner shell is suspended and fixed relative to the outer shell to form a cylindrical ventilation channel.
As a further preferable scheme, a waterproof bearing is arranged at the front end of the inner shell, a coupler is connected to the front end of an output shaft of the driving motor, the coupler is matched with the waterproof bearing, a connecting through hole is formed in the fluid director, and a rotating shaft of the fan assembly penetrates through the connecting through hole to be connected with the coupler for transmission.
After the technical scheme is adopted, the utility model has the following advantages: the diversion is realized by the diversion piece to form cyclone, so that the heat dissipation of the driving motor is facilitated, the internal structure of the handheld body is shielded, the attractiveness is improved, and the shielding means that the diversion piece is only seen and the structure behind the diversion piece cannot be seen when the diversion piece is seen from the front to the back along the axial direction of the handheld body.
Drawings
The utility model will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic view of a hand-held vacuum cleaner according to the present invention;
FIG. 2 is a cross-sectional view of the hand held body of the present invention;
fig. 3 is a schematic view of the front end of the fluid director in the present invention.
Detailed Description
The utility model provides a handheld dust collector, as shown in fig. 1 and 2, which comprises a handheld body 1, a fan assembly 2 and a dust collector 3, wherein a driving motor 11 for driving the fan assembly 2 is arranged in the handheld body 1, the fan assembly 2 is detachably connected to the front end of the handheld body 1, the dust collector 3 is connected to the front end of the fan assembly 2, a fluid director 4 for guiding air to enter the handheld body 1 is arranged at the front end of the handheld body 1, the fluid director 4 comprises a plurality of annularly distributed guide vanes 41, an air inlet channel 401 is formed between every two adjacent guide vanes 41, and the guide vanes 41 are obliquely arranged to form cyclone and shield the internal structure of the handheld body 1. The utility model utilizes the flow deflector 41 to realize flow guiding to form cyclone, which is beneficial to the heat dissipation of the driving motor 11, and simultaneously shields the internal structure of the handheld body 1 to improve the aesthetic property, wherein the shielding means that the flow deflector 4 is seen from front to back along the axial direction of the handheld body 1, only the flow deflector 41 can be seen, and the structure behind the flow deflector 41 can not be seen, as shown in figure 3. The inclined arrangement of the deflector 41 may be along a plane, or along a spiral surface, etc., as long as it can guide the intake air to form the cyclone.
In order to reduce the pressure loss of the intake air, the cross-sectional areas of the intake air channels 401 may be designed to be equal everywhere, which means the cross-sectional area of a certain intake air channel at different positions, and the cross-sectional sizes of different intake air channels may be the same or different. It is understood that, in order to decrease the air intake speed, the cross-sectional area of the air intake channel 401 may be designed to be gradually increased from the front direction, and in order to increase the air intake speed, the cross-sectional area of the air intake channel 401 may be designed to be gradually decreased from the front direction, which may be selected according to actual needs.
In order to improve the aesthetic property of the structure, the cross section of the air inlet channel 401 in this embodiment is a fan ring, and when viewed from the front end of the fluid director 4, the inlet of the air inlet channel 401 is fan ring-shaped and is uniformly distributed at the front end of the fluid director 4, so that the appearance of the user is better, and the air inlet volume and the air inlet speed of all the air inlet channels are uniform, so that the effect of forming the cyclone is better.
The sectional area S of the air inlet channel 401 is pi r1 2-πr2 2-nB(r1-r2)，r1Is the radius of the circumference where the outer side wall of the air inlet channel 401 is positioned, r2The radius of the circumference of the inner side wall of the air inlet channel 401, n is the number of the guide vanes 41, B is the thickness of the guide vanes 41, and the axial length of the guide vanes 41 isL，L＝S/[n(r1-r2)]＝π×(r1+r2) and/n-B. It can be seen that the larger n is, the smaller L is, and therefore, the number of the guide vanes 41 needs to be set to an appropriate amount, where n is generally controlled to be 15-20, for example, n is controlled to be 18 in this embodiment. At r1、r2And B all keep under the unchangeable circumstances, n undersize, then need L to set up longer just can play the effect of sheltering from, can lead to inlet air channel 401 overlength and inclination too big, and the windage is great, if n is too big, then the space that guide vane 41 occupy is more, and the space of leaving for inlet air channel 401 will reduce, and ventilation effect can descend.
The hand-held body 1 comprises a housing 12, and in this embodiment, the fluid director 4 is integrally formed with the housing 12. besides, the fluid director 4 can be separately manufactured and then installed and connected with the housing 12.
Be equipped with the inner shell 13 of parcel driving motor 11 in the shell 12, improved driving motor 11's waterproof sealing performance, will compromise driving motor 11's radiating effect simultaneously, can form ventilation channel 100 between inner shell 13 and shell 12, ventilation channel 100's front end and inlet air channel 401 switch-on. Because the inlet air can form a cyclone effect through the guide vane 41, the heat-dissipating air can be in full contact with the inner casing 13 to exchange heat when flowing through the ventilation channel 100, thereby ensuring a good heat-dissipating effect.
In order to fix the inner shell 13 securely, the flow guider 4 in this embodiment includes a connection sleeve 42, the connection sleeve 42 extends backward, the flow deflectors 41 are annularly distributed around the connection sleeve 42, and the front end of the inner shell 13 is inserted into the connection sleeve 42, so as to achieve positioning. Furthermore, an end cover 14 is arranged at the rear end of the outer shell 12, and the rear end of the inner shell 13 is fixedly connected with the end cover 14, so that the inner shell 13 is suspended and fixed relative to the outer shell 12 to form a cylindrical ventilation channel 100, and the air inlet forming the cyclone has a better heat dissipation effect.
Because the driving motor 11 is wrapped by the inner shell 13, in order to output power and simultaneously not affect the waterproof sealing performance of the driving motor 11, a waterproof bearing 15 can be arranged at the front end of the inner shell 13, the front end of an output shaft of the driving motor 11 is connected with a coupler 16, the coupler 16 is matched with the waterproof bearing 15, so that the waterproof performance of the driving motor 11 is ensured, the fluid director 4 is provided with a connecting through hole 402, and a rotating shaft of the fan assembly 2 penetrates through the connecting through hole 402 to be connected with the coupler 16 for transmission. The coupler 16 is hidden in the fluid director 4, so that the product attractiveness is improved, the transverse collision of the fan assembly 2 to the coupler 16 during disassembly and assembly can be avoided, the rotating shaft can be aligned with the connecting through hole 402 firstly, the rotating shaft is conveniently connected with the coupler 16, and the connecting efficiency is improved.
Other embodiments of the present invention than the preferred embodiments described above, and those skilled in the art can make various changes and modifications according to the present invention without departing from the spirit of the present invention, should fall within the scope of the present invention defined in the claims.
Claims (10)
1. The utility model provides a hand-held type dust catcher, includes handheld body, fan assembly and dust arrester, and this internal driving motor who drives fan assembly of handheld is equipped with, its characterized in that, fan assembly can dismantle to be connected in the front end of handheld body, and the dust arrester is connected in fan assembly's front end, and the front end of handheld body is equipped with the divertor that the guide air got into handheld body, and the divertor includes the water conservancy diversion piece of a plurality of annular distributions, forms air inlet channel between two liang of adjacent water conservancy diversion pieces, and the water conservancy diversion piece slope sets up in order to form whirlwind and shelter from the inner structure of handheld body.
2. The hand-held cleaner of claim 1, wherein the cross-sectional area of the air intake channel is equal throughout.
3. The hand-held cleaner of claim 2, wherein the cross-section of the air inlet channel is a fan ring.
4. The hand-held cleaner of claim 3, wherein the cross-sectional area of the air intake channel is S-pi r1 2-πr2 2-nB(r1-r2)，r1Is the radius of the circumference where the outer side wall of the air inlet channel is positioned, r2The radius of the circumference of the inner side wall of the air inlet channel is, n is the number of the flow deflectors, B is the thickness of the flow deflectorsHas an axial length of L, L ═ S/[ n (r)1-r2)]＝π×(r1+r2)/n-B。
5. The hand-held cleaner of claim 4, wherein n is 15-20.
6. The hand-held cleaner of claim 1, wherein the hand-held body comprises a housing, and the deflector is integrally formed with or in mounted connection with the housing.
7. The hand-held cleaner according to claim 1, wherein an inner casing for enclosing the driving motor is provided in the outer casing, a ventilation channel is formed between the inner casing and the outer casing, and a front end of the ventilation channel is connected to the air intake channel.
8. The hand-held cleaner of claim 7, wherein the flow director comprises a connection sleeve extending rearwardly, the flow deflectors are annularly distributed around the connection sleeve, and the front end of the inner housing is plugged into the connection sleeve.
9. The hand-held vacuum cleaner of claim 8, wherein the rear end of the outer housing is provided with an end cap, and the rear end of the inner housing is fixedly connected with the end cap, so that the inner housing is suspended and fixed relative to the outer housing to form a cylindrical ventilation channel.
10. The hand-held vacuum cleaner of claim 8, wherein the front end of the inner housing is provided with a waterproof bearing, the front end of the output shaft of the driving motor is connected with a coupler, the coupler is matched with the waterproof bearing, the fluid director is provided with a connecting through hole, and the rotating shaft of the fan assembly passes through the connecting through hole to be connected with the coupler for transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120612431.9U CN215605361U (en) | 2021-03-25 | 2021-03-25 | Hand-held type dust catcher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120612431.9U CN215605361U (en) | 2021-03-25 | 2021-03-25 | Hand-held type dust catcher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215605361U true CN215605361U (en) | 2022-01-25 |
Family
ID=79913771
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120612431.9U Active CN215605361U (en) | 2021-03-25 | 2021-03-25 | Hand-held type dust catcher |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215605361U (en) |
-
2021
- 2021-03-25 CN CN202120612431.9U patent/CN215605361U/en active Active
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