CN213628063U - Air blowing and sucking machine - Google Patents
Air blowing and sucking machine Download PDFInfo
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- CN213628063U CN213628063U CN202020552154.2U CN202020552154U CN213628063U CN 213628063 U CN213628063 U CN 213628063U CN 202020552154 U CN202020552154 U CN 202020552154U CN 213628063 U CN213628063 U CN 213628063U
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- blowing
- fan
- battery pack
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- movable switch
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Abstract
The utility model discloses a pressure-vaccum wind machine belongs to garden instrument technical field, and it has solved current pressure-vaccum wind machine and has taken place the problem of heeling easily at the during operation. The blowing and sucking fan comprises a shell, a motor, an impeller, a first accessory and a second accessory, wherein the motor is controlled to be started by arranging a movable switch, an operator needs to hold one section of a holding part provided with the movable switch all the time when using the blowing and sucking fan, the connecting line of the center point of the movable switch and the gravity center of the blowing and sucking fan is approximately vertical to the horizontal line, the blowing and sucking fan in the working state cannot tilt forwards and backwards, the gravity center of the blowing and sucking fan is limited between the end faces of the two outer sides of the shell and cannot tilt leftwards and rightwards, a battery pack group is inserted into a battery bin, the direction of the battery pack group is perpendicular to the top face of the holding part, and the battery pack group is convenient to replace.
Description
Technical Field
The utility model relates to a blowing and suction fan technical field refers in particular to a blowing and suction fan.
Background
When the blowing and sucking fan in the prior art is used, air is sucked and sprayed out or sundries are sucked and treated by utilizing the rotation of the fan. For example, when the garden is cleaned, if the dust accumulated in the garden needs to be cleaned, the air blowing and sucking machine is switched to an air blowing state, air is sucked from the air inlet, and is changed into high-speed and high-pressure air flow after being rotated, pressurized and accelerated by the fan, and the air flow is discharged from the air outlet to blow away some dust, leaves and the like on the ground; when some fallen leaves in the gardens need be cleared up, will blow and draw the fan and switch to the state of induced drafting, in inhaling the shell with fallen leaves from the air intake, recycle the fan and drive fallen leaves and get into in the collection bag to air outlet department, accomplish the clearance to fallen leaves, and all be provided with the battery package generally and provide power for the work of fan.
However, in the prior art, due to the influence of the gravity of the blower fan, the gravity of the accessory and the gravity of the battery pack, when the blower fan is held by an operator to operate, the fan tends to tilt backwards, so that when the blower fan is held by the operator, an upward force needs to be provided for the rear end, which is very inconvenient to operate and when the blower fan is held by the operator.
Disclosure of Invention
The utility model discloses having considered aforementioned problem and having made, utility model's purpose provides a blow and suction fan, blow and suction fan can not the tilt around can when guaranteeing that the operator is handheld, makes things convenient for inserting of battery package simultaneously.
In order to achieve the above object, the utility model provides a blowing and suction fan, include:
the motor and the impeller are arranged in the shell, the air inlet and the air outlet are formed in the shell, the handle is arranged at the top of the shell, the movable switch is arranged on the handle and used for controlling the starting of the motor, the handle comprises a connecting part connected with the top of the shell and a holding part used for holding, and the movable switch is arranged on the inner side of the holding part;
the first accessory and the second accessory are respectively arranged at the air inlet and the air outlet;
the battery pack is used for providing power for the motor;
when the blowing and sucking fan is in working state, the connecting line of the central point of the movable switch and the gravity center of the blowing and sucking fan is approximately vertical to the horizontal line.
According to the blowing and sucking fan, when the blowing and sucking fan is in a working state, the included angle alpha between the connecting line of the central point of the movable switch and the gravity center of the blowing and sucking fan and the horizontal line is 90 degrees.
According to the air blowing and sucking machine, the shell comprises the first shell and the second shell, and the gravity center of the air blowing and sucking machine is located between the outer end face of the first shell and the outer end face of the second shell.
According to the blowing and suction fan, the battery bin is arranged at the tail part of the shell, the battery pack group is detachably arranged in the battery bin, and the direction of inserting the battery pack group into the battery bin is approximately vertical to the central axis of the holding part.
According to the air blowing and sucking machine, the battery pack group comprises the first battery pack and the second battery pack, and the first battery pack and the second battery pack are bilaterally symmetrical about a vertical plane where the central axis of the holding part is located.
According to the air blowing and sucking machine, a handle is arranged at one end, connected with the air outlet, of the second accessory, and the handle is rotatably connected to the second accessory.
According to the blowing and suction fan, still be provided with on hand and keep off position adjustment button, keep off position adjustment button and be used for adjusting motor speed.
According to the blowing and suction fan, the shell at the air inlet is provided with the linked switch, the linked switch is controlled to be started through the second accessory, and the linked switch is connected with the movable switch in series.
According to the air blowing and sucking machine, the first accessory is set to be the grating, and the second accessory is set to be the air outlet pipe; or the first accessory is set as an air inlet pipe, and the second accessory is set as a collection bag.
The utility model discloses following beneficial effect has:
1. the connecting line of the central point of the movable switch and the gravity center of the blowing and sucking fan is approximately vertical to the horizontal plane, and the central point of the movable switch is consistent with the stress central point of the holding part, so that the blowing and sucking fan cannot be inclined forwards and backwards when the blowing and sucking fan is held by a hand.
2. The gravity center is limited between the two outer end surfaces of the shell, so that the large left-right gravity difference can not be generated during holding, and the left-right inclination can not be generated.
3. The direction of inserting the battery pack group into the battery compartment is vertical to the top surface of the holding part, so that the battery pack group can be replaced when an operator holds the battery pack group.
4. The handle is arranged on the upper side of the joint of the second accessory and the air outlet, and can be matched with the handle for holding, so that the operation is convenient.
5. The linkage switch is connected with the movable switch in series, so that the motor can be started only after the second accessory is installed, and dangerous accidents through the air outlet are avoided.
Drawings
Fig. 1 is a schematic view of the whole structure of the blowing state of the present invention;
FIG. 2 is a schematic view of the overall structure of the air suction state of the present invention;
fig. 3 is a schematic view of the installation of the first and second housings of the present invention;
FIG. 4 is a schematic view of the housing and handle of the present invention;
in the figure: 100. a housing; 110. an air inlet; 120. an air outlet; 130. a handle; 131. A connecting portion; 132. a grip portion; 133. a movable switch; 134. a gear adjusting button; 140. a first housing; 150. a second housing; 160. a ganged switch; 210. a grid; 220. an air inlet pipe; 230. an air outlet pipe; 240. a collection bag; 250. a handle; 260. a locking member; 300. an impeller; 400. a battery pack group; 410. a first battery pack; 420. and a second battery pack.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 4, a blowing and sucking fan includes:
the blower fan comprises a shell 100, a motor and an impeller 300 are arranged in the shell 100, an air inlet 110 and an air outlet 120 are arranged on the shell 100, a handle 130 is arranged at the top of the shell 100, a movable switch 133 is arranged on the handle 130 to control the motor to start, the handle 130 comprises a connecting portion 131 connected with the top of the shell 100 and a holding portion 132 used for holding, the movable switch 133 is arranged on the inner side of the holding portion 132, if the blower fan needs to operate, the movable switch 133 needs to be pressed for a long time, once the blower fan is loosened, the movable switch 133 can reset, meanwhile, the motor stops operating, in the embodiment, the central point of the holding portion 132 stressed is set as the central point of the movable switch 133, and the central point indicates that a user always holds the holding portion 132 section provided with.
The first accessory and the second accessory are respectively installed at the air inlet 110 and the air outlet 120, and when the operation state of the blowing and sucking fan is switched, the first accessory and the second accessory are conveniently replaced. Of course, other mounting methods may be used as long as they are detachable, such as bolt fastening.
A battery pack 400 for supplying power to the motor so that the blowing and sucking fan can be continuously operated, and it is preferable that the battery pack 400 be detachable from the motor for charging.
When the blowing and sucking fan is in a working state, namely when an operator holds the handle 130 by hand, the connecting line of the central point of the movable switch 133 and the gravity center of the blowing and sucking fan is approximately vertical to the horizontal line, the central point of the movable switch 133 is the central point of the stress of the holding part 132, namely the connecting line of the central point of the holding part 132 and the gravity center of the blowing and sucking fan is approximately vertical to the horizontal line, so that the gravity distribution before and after the stress point of the holding part 132 is ensured to be more uniform, the phenomenon of inclination is avoided, and the operation is more comfortable.
In this embodiment, the movable switch 133 is disposed at the center point of the force applied to the grip 132, so that the movable switch 133 can be pressed to start the motor when the user grasps the grip. However, in other embodiments, the movable switch 133 is not necessarily disposed at the center point of the force applied to the holding portion 132, because the operator can hold any part of the holding portion 132 and then press the movable switch 133 with the index finger or thumb, if the section provided with the movable switch 133 is not held, the center of the movable switch 133 is not equal to the force applied center point of the holding portion 132, and for this situation, if it is disclosed that the connection line from the force applied center point of the holding portion 132 to the gravity center of the blowing and sucking fan is substantially perpendicular to the horizontal, the principle is the same as that in the present embodiment, and it also belongs to the protection scope of the present application.
When the blowing and sucking fan is in a working state, the included angle alpha between the connecting line of the central point of the movable switch 133 and the gravity center of the blowing and sucking fan and the horizontal plane ranges from 85 degrees to 95 degrees, and experiments show that when an operator holds the blowing and sucking fan, the included angle alpha between the connecting line of the central point of the movable switch 133 and the gravity center of the blowing and sucking fan and the horizontal plane ranges from 85 degrees to 95 degrees, the influence caused by gravity is small, and the use of the operator cannot be influenced.
Further preferably, when the blowing and sucking fan is in a working state, an included angle α between a connecting line of a central point of the movable switch 133 and a gravity center of the blowing and sucking fan and a horizontal line is 90 °, when the included angle is 90 °, the front and the back are completely balanced when being held, but due to the fact that accessories need to be replaced, different accessories bring different weights, the α cannot be completely kept at 90 °, but due to the fact that the weight of the accessories is light, the included angle α is still kept between 85 ° and 95 ° all the time due to the gravity influence caused by replacement of the accessories, and the influence of the included angle α is small.
The casing 100 comprises a first casing 140 and a second casing 150, the gravity center of the blowing and sucking fan is located between the outer end face of the first casing 140 and the outer end face of the second casing 150, namely, within the range of L, the gravity center of the blowing and sucking fan is limited between the two outer end faces of the casing 100, and because the casing 100 is not very wide, the gravity center can ensure that the blowing and sucking fan cannot incline leftwards or rightwards integrally when an operator holds the casing 100 by hands.
Preferably, the center of gravity of the suction and blowing fan is located on a vertical plane on the centerline of the grip portion 132, so as to ensure that the left and right gravity are completely consistent.
The battery compartment is provided at the rear of the housing 100, the battery pack 400 is detachably disposed in the battery compartment, and the direction in which the battery pack 400 is inserted into the battery compartment is substantially perpendicular to the central axis of the grip portion 132.
The battery pack set 400 comprises a first battery pack 410 and a second battery pack 420, wherein the first battery pack 410 and the second battery pack 420 are symmetrical left and right about a vertical plane where the central axis of the holding part 132 is located, and the gravity of the air blowing and sucking fan can be further symmetrical left and right by adopting symmetrical distribution.
Preferably, in other embodiments, the number of the battery packs can be selected according to actual requirements, for example, one battery pack can be adopted, the same function of providing power to the motor can be achieved, and the battery packs can be selected independently according to the endurance time required by the blowing and suction fan and the electric quantity of the battery packs, without exceeding the protection scope of the present application.
The first accessory is set as a grating 210, the second accessory is set as an air outlet pipe 230, and the blowing and sucking fan is in a blowing state; or the first accessory is set as the air inlet pipe 220, the second accessory is set as the collection bag 240, and the blowing and sucking fan is in an air suction state.
The handle 250 is arranged on the upper side of one end of the second accessory connected with the air outlet 120, the handle 250 is rotatably connected to the second accessory, namely the rotatable handle 250 is arranged on the air outlet pipe 230 or the collection bag 240, and can be matched with the handle 130 to play a role in grasping and holding and also can flexibly control the height of the air outlet pipe 230.
The handle 130 is further provided with a gear adjusting button 134, the gear adjusting button 134 is used for adjusting the rotating speed of the motor, and different gears can be adjusted by rotating the gear adjusting button 134, so that the wind speed is determined.
The linkage switch 160 is arranged on the shell 100 at the air inlet 110, the linkage switch 160 is controlled to be started through the second accessory, the linkage switch 160 is connected with the movable switch 133 in series, namely the linkage switch 160 is directly extruded when the second accessory is sleeved on the air outlet 120, only when the linkage switch 160 and the movable switch 133 are pressed simultaneously, the motor can be started, the situation that the motor is started when the second accessory is not installed can be avoided, and the safety performance is ensured
Similarly, a switch connected in series with the movable switch 133 may also be provided on the housing 100 where the first accessory is connected to the intake vent 110.
The utility model provides a pair of air blowing and sucking machine, come the start-up of control motor through setting up movable switch, and the operator is when using air blowing and sucking machine, one section of the portion of gripping that is provided with movable switch need be gripped always, movable switch's central point and air blowing and sucking machine centrobaric line are roughly vertically with water flat line this moment, guaranteed that air blowing and sucking machine under operating condition can not the tilt around, the focus restriction that will blow the air blowing and sucking machine simultaneously is between the both sides terminal surface of shell, can not control the slope, it is perpendicular with the top surface of the portion of gripping with the orientation setting that battery package group inserted the battery storehouse again, make things convenient for the change of battery package group.
The technical solutions of the present invention have been described in detail with reference to the accompanying drawings, and the described embodiments are used to help understand the ideas of the present invention. The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the claims.
Claims (9)
1. A suction and blowing fan comprising:
the motor and the impeller are arranged in the shell, the air inlet and the air outlet are formed in the shell, the handle is arranged at the top of the shell, the movable switch is arranged on the handle and used for controlling the starting of the motor, the handle comprises a connecting part connected with the top of the shell and a holding part used for holding, and the movable switch is arranged on the inner side of the holding part;
the first accessory and the second accessory are respectively arranged at the air inlet and the air outlet;
the battery pack is used for providing power for the motor;
it is characterized in that when the blowing and sucking fan is in working state, the connecting line of the center point of the movable switch and the gravity center of the blowing and sucking fan is approximately vertical to the horizontal line.
2. The blowing and sucking fan of claim 1, wherein when the blowing and sucking fan is in an operating state, a line connecting the center point of the movable switch and the center of gravity of the blowing and sucking fan forms an angle α of 90 ° with the horizontal line.
3. The suction blower of claim 1 wherein the housing comprises a first housing and a second housing, and the suction blower center of gravity is located between the outer end face of the first housing and the outer end face of the second housing.
4. The blowing and sucking fan as claimed in claim 1, wherein a battery compartment is provided at the rear of the housing, the battery pack is detachably disposed in the battery compartment, and the battery pack is inserted into the battery compartment in a direction substantially perpendicular to the central axis of the grip portion.
5. The air blowing and sucking fan according to claim 1 or 4, wherein the battery pack group comprises a first battery pack and a second battery pack, and the first battery pack and the second battery pack are bilaterally symmetrical about a vertical plane in which the central axis of the grip portion is located.
6. The suction and blowing fan as claimed in claim 1, wherein a handle is provided at an end of the second attachment connected to the outlet, and the handle is rotatably connected to the second attachment.
7. The blowing and sucking fan of claim 1, wherein the handle is further provided with a gear adjusting button, and the gear adjusting button is used for adjusting the rotating speed of the motor.
8. The blowing and suction fan of claim 1, wherein a linked switch is arranged on the housing at the air inlet, and the linked switch is controlled to be activated by a second accessory, and is connected in series with the movable switch.
9. The suction and blowing fan of claim 1, wherein the first attachment is configured as a grill and the second attachment is configured as an outlet duct; or the first accessory is set as an air inlet pipe, and the second accessory is set as a collection bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020552154.2U CN213628063U (en) | 2020-04-14 | 2020-04-14 | Air blowing and sucking machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020552154.2U CN213628063U (en) | 2020-04-14 | 2020-04-14 | Air blowing and sucking machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213628063U true CN213628063U (en) | 2021-07-06 |
Family
ID=76619277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020552154.2U Active CN213628063U (en) | 2020-04-14 | 2020-04-14 | Air blowing and sucking machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213628063U (en) |
-
2020
- 2020-04-14 CN CN202020552154.2U patent/CN213628063U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 315000 No. 255, Kesheng Road, Wangchun Industrial Park, Haishu District, Ningbo City, Zhejiang Province Patentee after: ZHEJIANG LERA NEW ENERGY POWER TECHNOLOGY Co.,Ltd. Address before: 398 Longtan Road, Fenghua District, Ningbo City, Zhejiang Province Patentee before: ZHEJIANG LERA NEW ENERGY POWER TECHNOLOGY Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |