CN104912014A - Blowing and sucking device - Google Patents
Blowing and sucking device Download PDFInfo
- Publication number
- CN104912014A CN104912014A CN201410084637.3A CN201410084637A CN104912014A CN 104912014 A CN104912014 A CN 104912014A CN 201410084637 A CN201410084637 A CN 201410084637A CN 104912014 A CN104912014 A CN 104912014A
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- Prior art keywords
- blowing
- blower
- drum
- suction
- air
- Prior art date
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
- E01H1/0809—Loosening or dislodging by blowing ; Drying by means of gas streams
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a blowing and sucking device. The device comprises a main engine shell, a motor and a fan arranged in the main engine shell, a blower pipe connected with the main engine shell and having an air inlet and an air outlet, and a blower accessory connected with the blower pipe, wherein the blower accessory comprises a first blower cylinder and a second blower cylinder; the first blower cylinder has a first blower opening; the second blower cylinder has a second blower opening; the section area of the first blower opening is smaller than the section area of the air outlet; the section area of the second blower opening is larger than the section area of the first blower opening; the second blower cylinder at least surrounds one part of the first blower cylinder; and a gap is formed between the inner wall of the second blower cylinder and the outer wall of the first blower cylinder, so that external airflow can enter the second blower cylinder from the gap. The blowing power of the blowing and sucking device is enhanced; and the ventilation quantity is increased.
Description
Technical field
The present invention relates to a kind of suction and blowing device, particularly relate to the blowing function of suction and blowing device.
Background technology
Suction and blowing device (or hair-dryer) generally comprises host shell, the fan being arranged at the motor in host shell and being driven by motor, host shell is provided with air intake opening and air-out opening, suction and blowing device (or hair-dryer) utilizes the fan rotated to be formed and enters host shell by air intake opening all the time and the windstream blown out from air-out opening.
Usually, user is in order to need the blowing function using suction and blowing device (or hair-dryer) when clearing up the fallen leaves on garden or road, user connects blower by the air-out opening at host shell, windstream is through the air outlet of the pipeline flow-direction blower of blower, make windstream near ground, conveniently ground fallen leaves are blown away.
Suction and blowing device (or hair-dryer) has played significant effect in purging fallen leaves, becomes a kind of required outdoor garden tool set already, is subject to the favor of more and more family.
When ground the talus accumulation such as fallen leaves must thicker time, heavier chip cannot be blown if the wind-force of air-flow is more weak, does not reach the effect of cleaning, now, just need larger wind-force could purge totally.
In order to strengthen wind-force, conventional way connects an additional blowing head at the air outlet of blower, and the sectional area of the air-out opening of additional blowing head is less than the sectional area of the air outlet of blower.Namely windstream is improved through a less mouth wind speed, and therefore wind-force also strengthen.But because the air-out opening of additional blowing head is less, therefore, ventilation reduces, and aspect of blowing efficiency is not high, more time-consuming.
Also have a kind of way of routine to be change more powerful suction and blowing device (hair-dryer), because power becomes large, wind speed is also corresponding to be improve, and thus wind-force also enhances, but because power is comparatively large, power consumption is large.
Therefore, design that a wind-force is comparatively strong, power consumption is lower and purge the higher suction and blowing device (hair-dryer) of efficiency and become the technical problem that those skilled in the art urgently will solve.
Summary of the invention
For the deficiencies in the prior art, the technical problem to be solved in the present invention under the prerequisite not improving suction and blowing device power, strengthens wind-force improve ventilation.
The technical solution adopted for the present invention to solve the technical problems is to provide a kind of suction and blowing device, comprising: host shell, is provided with air intake opening and air-out opening; Motor and fan, be arranged in host shell, and described fan is driven to rotate to be formed by described motor and enters host shell and the air-flow blown out from air-out opening by air intake opening; Blower, has air intake and air outlet, and described air intake is communicated with described air-out open gas; Described suction and blowing device also comprises the blowing annex be connected with described air outlet; Described blowing annex comprises the first Blowing drum be connected with described air outlet and the second Blowing drum be connected with the first Blowing drum; Described first Blowing drum has the first blowing mouth, and described second Blowing drum has the second blowing mouth, and the sectional area of described first blowing mouth is less than the sectional area of described air outlet, and the sectional area of described second blowing mouth is greater than the sectional area of described first blowing mouth; Described second Blowing drum at least surrounds described first Blowing drum of part, and has gap that outer gas stream can be entered in described second Blowing drum from described gap between the outer wall of the inwall of described second Blowing drum and described first Blowing drum.
The present invention surrounds part first Blowing drum by arranging the second Blowing drum, and between the outer wall of the inwall of the second Blowing drum and the first Blowing drum, have gap to make outer gas stream can enter the second Blowing drum from gap, and the sectional area arranging the first blowing mouth is less than the sectional area of air outlet, the sectional area of the second blowing mouth is greater than the sectional area of the first blowing mouth, makes the wind-force of the blowing of suction and blowing device enhance and add ventilation.
Preferably, the sectional area of described second blowing mouth is equal to, or greater than the sectional area of described air outlet.
Preferably, one of them of the outer wall of described first Blowing drum and the inwall of described second Blowing drum is provided with convex stupefied, another one is provided with and the convex stupefied groove coordinated.
Preferably, described convex stupefied be that arc is convex stupefied.
Preferably, described blower is connected removably with described host shell.
Preferably, described blowing annex is connected removably with described blower.
Preferably, the axis of the axis of described blower, the axis of described first Blowing drum and described second Blowing drum is positioned at same perpendicular.
Preferably, the material of described blowing annex is plastics.
Preferably, described second Blowing drum can rotate relative to described first Blowing drum.
Preferably, described blower is Collapsible structure.。
Beneficial effect of the present invention is: make suction and blowing device introduce outer gas stream in the process performing blowing function by the blowing annex installing special construction at the air outlet of blower, improve the aspect of blowing efficiency of suction and blowing device and enhance wind-force.Adopting dismountable mode to be connected by arranging blowing annex with blower, blower being set and adopting dismountable mode to be connected with host shell, instant packed transport.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of suction and blowing device in the embodiment of the present invention, and suction and blowing device utilizes this structure to realize the function of blowing.
Fig. 2 is the perspective exploded view of suction and blowing device in the embodiment of the present invention.
Fig. 3 is the schematic top plan view that the blowing annex in the embodiment of the present invention is connected on blower.
Fig. 4 is the cross-sectional schematic that the blowing annex in the embodiment of the present invention is connected on blower.
Fig. 5 a and Fig. 5 b is the schematic top plan view that the second Blowing drum in the embodiment of the present invention rotates relative to the first Blowing drum.
1. suction and blowing device 122. air outlet 144. is convex stupefied
10. host shell 123. connection bump 15. second Blowing drum
101. air intake openings 13. are dried annex 153. second blowing mouth
102. air-out opening 14. first Blowing drum 154. grooves
11. handles 141. connect lug 18. rechargeable battery bag
12. blower 142. through holes
121. air intake 143. first blowing mouths
Detailed description of the invention
Be described in further detail below in conjunction with accompanying drawing and the preferred embodiments of the present invention.
The preferred suction and blowing device of embodiment belongs to garden type electric tool, is usually used in the cleaning of garden and road.
Please refer to Fig. 1, Fig. 1 is the schematic diagram of suction and blowing device 1, and suction and blowing device 1 utilizes schematic structure to realize the function of blowing, may be used for purging the chips such as ground fallen leaves.
Suction and blowing device 1 comprises host shell 10, is arranged on the handle 11 on host shell 10, is arranged on the motor in host shell 10 and fan (not illustrating in figure), the blower 12 be connected with host shell 10, and the blowing annex 13 be connected with blower 12.
Please also refer to Fig. 2, Fig. 2 is the perspective exploded view of suction and blowing device 1, host shell 10 is provided with air intake opening 101 and air-out opening 102, motor and fan (not shown) are arranged in host shell 10, fan is driven by motor and rotates, and is formed and enters host shell 10 inside and the air-flow blown out from air-out opening 102 by air intake opening 101.
The suction and blowing device 1 of the present embodiment is provided with dismountable rechargeable battery bag 18, gives motor power supplying by rechargeable battery bag 14.Certainly, the power supply mode of suction and blowing device is not limited to power brick, also can be to utilize power line to connect the power supply of external power source realization to motor.
Preferably, blower 12 is telescopic structure, so, can regulate the length of blower 12 as required.
In order to clean the chips such as ground fallen leaves, blower 12 is connected at the air-out opening 102 of host shell 10, blower 12 has air intake 121 and air outlet 122, air intake 121 is communicated with air-out opening 102 gas, namely the air-flow blown out from the air-out opening 102 of host shell 10 can enter the air intake 121 of blower 12, and the air intake 121 of blower 12 is connected removably with the air-out opening 102 of host shell 10.
Blower is connected on host shell is removably convenient to packaging, both is packed in the mode be separated, has saved packaging material, saved packaging space and avoid in transportation and cause damage.
Handle 11 is provided with the switch controlling motor and open or close, after switch open, fan High Rotation Speed produce negative pressure under the driving of motor, air-flow is made to enter the inside of host shell 10 from the air intake opening 101 of host shell 10 and blow out from air-out opening 102, then through the air outlet 122 of the pipeline flow-direction blower 12 of blower 12.
Invention main points of the present invention are that the air outlet 122 at blower 12 connects the blowing annex 13 of special construction.
Blowing annex 13 comprises the first Blowing drum 14 and the second Blowing drum 15, and blower 12, first Blowing drum 14 and the second Blowing drum 15 are arranged successively along the direction of air-flow.
Please also refer to Fig. 2, Fig. 3 and Fig. 4, Fig. 3 is the schematic top plan view that blowing annex 13 is connected on blower 12, and Fig. 4 is the cross-sectional schematic that blowing annex 13 is connected on blower 12.
First Blowing drum 14 is connected removably with blower 12, concrete, a part for first Blowing drum 14 is enclosed within blower 12, as shown in Figure 4, the outer wall of blower 12 and the seamless socket of inwall of the first Blowing drum 14, in order to ensure seamless socket, both can adopt the mode of interference fit to be socketed.
Simultaneously, in order to strengthen the stability of both sockets, first Blowing drum is provided with and connects lug 141, lug 141 is provided with through hole 142, corresponding, blower is provided with connection bump 123, when the part of the first Blowing drum 14 and blower 12 are socketed mutually, connection bump 123, through through hole 142, strengthens the stability that the first Blowing drum 14 is connected with blower 12.
Preferably, blower 12 and blowing annex 13, by the overall weight having certain flexible plastic material and make to alleviate suction and blowing device, save the muscle power of user.
First Blowing drum 14 has the first blowing mouth 143, second Blowing drum 15 at least surrounds part first Blowing drum 14 and makes the first blowing mouth 143 be enclosed in the second Blowing drum 15 inside by the second Blowing drum 15, and has gap between the outer wall of the inwall of the second Blowing drum 15 and the first Blowing drum 14.The sectional area arranging the first blowing mouth 143 is less than the sectional area of the air outlet 122 of blower 12.
Second Blowing drum 15 also can surround whole first Blowing drum 14, and the present invention does not limit the structure that the second Blowing drum 15 surrounds the first Blowing drum 14, as long as there is gap that outer gas stream can be made to enter the inside of the second Blowing drum 15 from gap location between the two.
Second Blowing drum 15 has the second blowing mouth 153, and the sectional area arranging the second blowing mouth 153 is greater than the sectional area of the first blowing mouth 143.
When opening suction and blowing device 1 and making suction and blowing device 1 in running order, air-flow flows to blowing annex 13 through blower 12, sectional area because of the first blowing mouth 143 is less than the sectional area of the air outlet 122 of blower 12, air-flow strengthens at the mouth wind speed through diminishing, simultaneously, gap is had between the inwall of cause the second Blowing drum 15 and the outer wall of the first Blowing drum 14, outer gas stream enters the inside of the second Blowing drum 15 from gap location, and outer gas stream collaborates with the air-flow blown out from the first blowing mouth 143 and blows to the second blowing mouth 153 of the second Blowing drum 15.
So, the wind-force of the air-flow that the wind-force of air-flow blown out from the second blowing mouth 153 blows out compared to the direct air outlet 122 from blower 12 is stronger.
And be greater than the sectional area of the first blowing mouth 143 because of the sectional area of the second blowing mouth 153, and introduce outer gas stream, therefore, the ventilation of the air-flow blown out from the second blowing mouth 153 is greater than the ventilation of the air-flow blown out from the first blowing mouth 143.
In brief, the structure of blowing annex as above makes the wind-force of the blowing of suction and blowing device 1 enhance and add ventilation.
If the sectional area arranging the second blowing mouth 153 is less than the sectional area of the first blowing mouth 143, then make the wind-force of the air-flow blown out from the second blowing mouth 153 stronger compared to the wind-force of the air-flow blown out from the first blowing mouth 143.
If the sectional area arranging the second blowing mouth 153 equals the sectional area of the air outlet 122 of blower 12, the wind-force of the air-flow then making the wind-force of the air-flow blown out from the second blowing mouth 153 blow out compared to the air outlet 122 from blower 12 is stronger, ventilation also adds relatively, this improves the aspect of blowing efficiency of suction and blowing device.
Certainly, the sectional area that also can arrange the second blowing mouth 153 is greater than the sectional area of the air outlet 122 of blower 12, along with the sectional area of the second blowing mouth 153 increases gradually, can reduce gradually from the wind-force of the air-flow of the second blowing mouth 153 blowout, those skilled in the art can pass through the sectional area of Reasonable adjustment first blowing mouth 143 and the second blowing mouth 153, can make when not increasing the power of suction and blowing device, the wind-force of the air-flow that the wind-force of air-flow blown out from the second blowing mouth 153 blows out compared to the air outlet 122 from blower 12 is stronger, and ventilation too increases.
As shown in Figure 3, the axis of the axis of blower 12, the axis of the first Blowing drum 14 and the second Blowing drum 15 is positioned at same perpendicular, so, reduces the circulating resistance of air-flow.
Please also refer to Fig. 2, Fig. 5 a and Fig. 5 b, illustrate the connected mode of the first Blowing drum 14 and the second Blowing drum 15.
Definition blower 12 is when being installed on host shell 10, along blower 12 duct orientation and direction towards the air outlet 122 of blower 12 is front, and define, user just forward-facing stands, and with the right-hand lay of user for the right side, left hand position be a left side.
Second Blowing drum 15 is connected removably with the first Blowing drum 14 and the second Blowing drum 15 surrounds part first Blowing drum 14.
On the first Blowing drum 14 outer wall, left and right respectively arranges one convex stupefied 144, on the inwall of the second Blowing drum 15, left and right correspondence position respectively arranges a groove 154, two convex stupefied 144 wind is not inserted the connection that corresponding groove 154 realizes the first Blowing drum 14 and the second Blowing drum 15.
The present embodiment convexity stupefied 144 is that arc is convex stupefied, makes the second Blowing drum 15 can relative first Blowing drum 14 left rotation and right rotation, makes the direction of the air-flow blown out from the second blowing mouth 153 of the second Blowing drum 15 follow change by rotating the second Blowing drum 15.
User when using suction and blowing device 1 to purge fallen leaves, as long as the side of the second Blowing drum 15 is knocked gently ground or other objects just can make the second Blowing drum 15 rotate relative to the first Blowing drum 14 thus change the blowing direction of suction and blowing device 1.
Certainly, also can be arranged on the inwall of the second Blowing drum 15 by convex stupefied 144, groove 154 is arranged on the outer wall of the first Blowing drum 14.
Also can by two convex stupefied 144 and convex stupefied 144 grooves cooperatively interacted 154 be vertically arranged instead of arranging along left and right as shown in Fig. 5 a and Fig. 5 b with two respectively, the blowing direction of suction and blowing device is changed on vertical plane.
Certainly, the first Blowing drum 14 also can otherwise be connected with the second Blowing drum 15.
In the present embodiment, blowing annex 13 is connected removably with blower 12, and the first Blowing drum 14 is connected removably with the second Blowing drum 15, instant packed transport.Meanwhile, be convenient for changing when wearing and tearing occur certain parts.
The above-mentioned definition to each element is not limited in the various concrete structure or shape mentioned in embodiment, and those of ordinary skill in the art can replace it with knowing simply.
It may occur to persons skilled in the art that, the present invention can also have other implementation, as long as but its technical spirit adopted is identical with the present invention or close, or any change of making based on the present invention and replacing all within protection scope of the present invention.
Claims (10)
1. a suction and blowing device, comprising:
Host shell, is provided with air intake opening and air-out opening;
Motor and fan, be arranged in host shell, and described fan is driven to rotate to be formed by described motor and enters host shell and the air-flow blown out from air-out opening by air intake opening;
Blower, has air intake and air outlet, and described air intake is communicated with described air-out open gas;
It is characterized in that:
Described suction and blowing device also comprises the blowing annex be connected with described blower;
Described blowing annex comprises the first Blowing drum be connected with described air outlet and the second Blowing drum be connected with the first Blowing drum;
Described first Blowing drum has the first blowing mouth, and described second Blowing drum has the second blowing mouth, and the sectional area of described first blowing mouth is less than the sectional area of described air outlet, and the sectional area of described second blowing mouth is greater than the sectional area of described first blowing mouth;
Described second Blowing drum at least surrounds described first Blowing drum of part, and has gap that outer gas stream can be entered in described second Blowing drum from described gap between the outer wall of the inwall of described second Blowing drum and described first Blowing drum.
2. suction and blowing device as claimed in claim 1, is characterized in that: the sectional area of described second blowing mouth is equal to, or greater than the sectional area of described air outlet.
3. suction and blowing device as claimed in claim 1, is characterized in that: one of them of the outer wall of described first Blowing drum and the inwall of described second Blowing drum is provided with convex stupefied, another one is provided with and the convex stupefied groove coordinated.
4. suction and blowing device as claimed in claim 3, is characterized in that: described convex stupefied for arc convex stupefied.
5. suction and blowing device as claimed in claim 1, is characterized in that: described blower is connected removably with described host shell.
6. suction and blowing device as claimed in claim 1, is characterized in that: described blowing annex is connected removably with described blower.
7. suction and blowing device as claimed in claim 1, is characterized in that: the axis of the axis of described blower, the axis of described first Blowing drum and described second Blowing drum is positioned at same perpendicular.
8. suction and blowing device as claimed in claim 1, is characterized in that: the material of described blowing annex is plastics.
9. suction and blowing device as claimed in claim 1, is characterized in that: described second Blowing drum can rotate relative to described first Blowing drum.
10. suction and blowing device as claimed in claim 1, is characterized in that: described blower is Collapsible structure.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610892197.3A CN106567356A (en) | 2014-03-10 | 2014-03-10 | Blowing and sucking device |
| CN201410084637.3A CN104912014A (en) | 2014-03-10 | 2014-03-10 | Blowing and sucking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410084637.3A CN104912014A (en) | 2014-03-10 | 2014-03-10 | Blowing and sucking device |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610892197.3A Division CN106567356A (en) | 2014-03-10 | 2014-03-10 | Blowing and sucking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104912014A true CN104912014A (en) | 2015-09-16 |
Family
ID=54081420
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610892197.3A Pending CN106567356A (en) | 2014-03-10 | 2014-03-10 | Blowing and sucking device |
| CN201410084637.3A Pending CN104912014A (en) | 2014-03-10 | 2014-03-10 | Blowing and sucking device |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610892197.3A Pending CN106567356A (en) | 2014-03-10 | 2014-03-10 | Blowing and sucking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN106567356A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105603924A (en) * | 2016-03-11 | 2016-05-25 | 宁波爱乐吉电动工具股份有限公司 | Blowing-sucking machine |
| CN108252250A (en) * | 2016-12-28 | 2018-07-06 | 南京德朔实业有限公司 | Hair drier and air speed adjusting device thereof |
| CN106677105B (en) * | 2016-11-16 | 2018-08-28 | 宁波市金博电动工具有限公司 | One kind blowing leaf machine |
| WO2019011343A1 (en) * | 2017-07-14 | 2019-01-17 | 苏州宝时得电动工具有限公司 | Air blowing tool |
| CN111359991A (en) * | 2020-03-27 | 2020-07-03 | 梅国健 | Walking type auxiliary device on dustproof blow molding packaging production line of high-precision valve casting |
| CN114223329A (en) * | 2021-12-15 | 2022-03-25 | 中山火炬职业技术学院 | Pneumatic control type turning blowing device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108978554B (en) * | 2017-06-01 | 2024-03-15 | 苏州宝时得电动工具有限公司 | Blowing and sucking device |
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| JPH108430A (en) * | 1996-06-21 | 1998-01-13 | Kioritz Corp | Blower pipe |
| US6125503A (en) * | 1998-05-12 | 2000-10-03 | Az-Tech Research And Development Corporation | Retracting rotational backpack blower air discharge tube unit |
| CN2424232Y (en) * | 2000-04-25 | 2001-03-21 | 高钰 | Large thrust blower |
| CN201990974U (en) * | 2011-03-18 | 2011-09-28 | 宁波伊司达工具有限公司 | Rechargeable leaf blower |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105603924A (en) * | 2016-03-11 | 2016-05-25 | 宁波爱乐吉电动工具股份有限公司 | Blowing-sucking machine |
| CN106677105B (en) * | 2016-11-16 | 2018-08-28 | 宁波市金博电动工具有限公司 | One kind blowing leaf machine |
| CN108252250A (en) * | 2016-12-28 | 2018-07-06 | 南京德朔实业有限公司 | Hair drier and air speed adjusting device thereof |
| WO2019011343A1 (en) * | 2017-07-14 | 2019-01-17 | 苏州宝时得电动工具有限公司 | Air blowing tool |
| CN111359991A (en) * | 2020-03-27 | 2020-07-03 | 梅国健 | Walking type auxiliary device on dustproof blow molding packaging production line of high-precision valve casting |
| CN111359991B (en) * | 2020-03-27 | 2021-07-13 | 金虹包装材料(上海)有限公司 | Walking type auxiliary device on dustproof blow molding packaging production line of high-precision valve casting |
| CN114223329A (en) * | 2021-12-15 | 2022-03-25 | 中山火炬职业技术学院 | Pneumatic control type turning blowing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106567356A (en) | 2017-04-19 |
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