阅读说明：本技术 一种自切换风道的推杆式吸尘器及风道切换方法 (Push rod type dust collector capable of automatically switching air channels and air channel switching method ) 是由 高贺 严荣伟 许大伟 穆冬华 于 2019-08-23 设计创作，主要内容包括：本发明提供了一种自切换风道的推杆式吸尘器,其包括吸尘器主机、地刷部件、第一尘管和第二尘管,吸尘器主机的一侧固定安装有尘管切换机构,尘管切换机构包括切换座,其内具有圆形空腔,切换座上设置有第一接口、第二接口和第三接口,圆形空腔内设置有可沿着圆形空腔的周向滚动的活动切换管,活动切换管呈圆柱形,活动切换管内部为空心结构,且活动切换管的侧壁上开设有为活动切换管的一半周长的切换口,活动切换管在第一接口和第二接口之间来回转动。本发明还提供了一种风道切换方法。本发明相较于现有技术可以实现吸尘管风道的自动切换,提高使用的便利性。(The invention provides a push rod type dust collector capable of automatically switching an air channel, which comprises a dust collector main machine, a ground brush component, a first dust pipe and a second dust pipe, wherein a dust pipe switching mechanism is fixedly arranged on one side of the dust collector main machine, the dust pipe switching mechanism comprises a switching seat, a circular cavity is formed in the switching seat, a first connector, a second connector and a third connector are arranged on the switching seat, a movable switching pipe capable of rolling along the circumferential direction of the circular cavity is arranged in the circular cavity, the movable switching pipe is cylindrical, the interior of the movable switching pipe is of a hollow structure, a switching opening with half of the circumference of the movable switching pipe is formed in the side wall of the movable switching pipe, and the movable switching pipe rotates back and forth between the first connector and the second connector. The invention also provides an air duct switching method. Compared with the prior art, the automatic switching device can realize the automatic switching of the air channels of the dust collection pipe and improve the use convenience.)

1. The push rod type dust collector with the air channel self-switching function is characterized by comprising a dust collector host (1), a ground brush component (2), a first dust pipe (3) and a second dust pipe (4), wherein the first dust pipe (3) is connected with the dust collecting component, the second dust pipe (4) is connected with the ground brush component (2), a dust pipe switching mechanism (5) is fixedly installed on one side of the dust collector host (1), the dust pipe switching mechanism (5) comprises a switching seat (51), the switching seat (51) is cylindrical, a circular cavity (52) is formed in the switching seat, the axial direction of the circular cavity (52) is perpendicular to the axial direction of the first dust pipe (3) or the second dust pipe (4), a first interface (53), a second interface (54) and a third interface (55) are arranged on the switching seat (51), and the first interface (53) and the second interface (54) are coaxially arranged, the third interface (55) is perpendicular to the first interface (53) or the second interface (54), the first interface (53) is connected with the first dust pipe (3), the second interface (54) is connected with the second dust pipe (4), the third interface (55) is connected with a dust cup (6), the dust cup (6) is fixedly arranged on the dust collector main machine (1), a movable switching tube (56) which can roll along the circumferential direction of the circular cavity (52) is arranged in the circular cavity (52), the movable switching tube (56) is cylindrical, the interior of the movable switching tube (56) is of a hollow structure, and the side wall of the movable switching tube (56) is provided with a switching opening (561) which is half of the circumference of the movable switching tube (56), the movable switching tube (56) is rotated back and forth between the first port (53) and the second port (54).

2. The stick cleaner of claim 1, wherein the switching port (561) extends in a circumferential direction of the movable switching tube (56).

3. The stick type cleaner of claim 1 or 2, wherein the opposite ends of the switching port (561) form two arc-shaped end surfaces (562), respectively.

4. The stick type cleaner with the self-switching duct according to claim 1 or 2, wherein a dust guide plate (57) slidable along a circumferential direction of the movable switching tube (56) is provided in the movable switching tube (56).

5. The stick type vacuum cleaner with a self-switching duct according to claim 4, wherein the dust guide plate (57) is a plate body with a triangular cross section, the interior of the dust guide plate is hollow, the first end (571) of the dust guide plate (57) is sleeved on the side wall of the movable switching tube (56), the second end (572) of the dust guide plate (57) extends into the movable switching tube (56), and the second end (572) forms a U-shaped bend.

6. The stick type vacuum cleaner with self-switching duct as claimed in claim 5, wherein the body of the dust guide plate (57) and the second end (572) form an included angle (A) of 123 and 127 °.

7. The stick vacuum cleaner of claim 1, wherein a guide plate (521) pressing the inner wall of the movable switching tube (56) is fixedly disposed in the circular cavity (52).

8. The stick cleaner of claim 7, wherein the guide plate (521) has an H-shape, and an inner surface (522) of the guide plate (521) has a wave shape.

9. The stick vacuum cleaner with the self-switching air channel as claimed in claim 1, wherein the first dust pipe (3) is screwed to the first port (53) through a first joint (31), and the second dust pipe (4) is screwed to the second port (54) through a second joint (41).

10. An air duct switching method of a push rod type dust collector capable of automatically switching air ducts is characterized by comprising the following steps:

when the free cleaning mode of the first dust pipe (3) needs to be switched, the main vacuum cleaner (1) is opened, the suction force of the main vacuum cleaner (1) is controlled to a first switching setting, the suction force of the first switching setting is larger than the maximum suction force of the dust pipe of the main vacuum cleaner (1), the movable switching pipe (56) is pulled to rotate after the suction force of the first switching setting enters the circular cavity (52), the switching port (561) on the movable switching pipe (56) rotates to the connecting position of the first interface (53) and the third interface (55) from the connecting position of the second interface (54) and the third interface (55), then the suction force of the first switching setting is stopped, the suction force of the main vacuum cleaner (1) is controlled to the suction force required by operation, and the force is not enough to pull the movable switching pipe (56) to rotate continuously, the first dust pipe (3) can start cleaning operation;

when the floor brush cleaning mode of the second dust pipe (4) needs to be switched, the main vacuum cleaner (1) is opened, the suction force of the main vacuum cleaner (1) is controlled to a second switching setting frame, the suction force of the second switching setting frame is larger than the maximum suction force of the floor brush of the main vacuum cleaner (1), the movable switching pipe (56) is pulled to rotate after the suction force of the second switching setting frame enters the circular cavity (52), the switching port (561) on the movable switching pipe (56) rotates to the joint of the second interface (54) and the third interface (55) from the joint of the first interface (53) and the third interface (55), then the suction force of the second switching setting frame is stopped, the suction force of the main vacuum cleaner (1) is controlled to the suction force required by operation, and the force is not enough to continuously pull the movable switching pipe (56) to continuously rotate, the floor brush member (2) can start cleaning operation.

Technical Field

The invention relates to a push rod type dust collector, in particular to a push rod type dust collector capable of automatically switching air channels and an air channel switching method.

Background

A push rod type dust collector, which belongs to a vertical dust collector. The push-rod type dust collector mainly comprises three parts of dust generation, dust collection and dust filtration, and generally comprises a series-excited commutator motor, a centrifugal fan, a dust filter and a dust collection accessory.

At present, push-down dust catcher mainly cleans through the scrubbing brush, when needing to switch to the dust absorption pipe and carry out the cleanness of free mode, for example to the cleanness in the narrow and small region behind sofa, the house, just need dismantle the connecting pipe on the whole scrubbing brush, just can continue to carry out the operation after changing the dust absorption pipe, therefore it is not very convenient in the use, has reduced user's use and has experienced.

Disclosure of Invention

In view of this, the present invention provides a stick type vacuum cleaner capable of automatically switching an air duct and an air duct switching method thereof, which automatically switches the suction modes of a suction pipe and a floor brush by using a movable switching pipe that is particularly rotated by suction, thereby improving convenience of use.

Therefore, on one hand, the invention provides a push rod type dust collector with a self-switching air channel, which comprises a dust collector main machine, a ground brush component, a first dust pipe and a second dust pipe, wherein the first dust pipe is connected with the dust collection component, the second dust pipe is connected with the ground brush component, one side of the dust collector main machine is fixedly provided with a dust pipe switching mechanism, the dust pipe switching mechanism comprises a switching seat, the switching seat is cylindrical and is internally provided with a circular cavity, the axial direction of the circular cavity is vertical to the axial direction of the first dust pipe or the second dust pipe, the switching seat is provided with a first interface, a second interface and a third interface, the first interface and the second interface are coaxially arranged, the third interface is vertical to the first interface or the second interface, the first interface is connected with the first dust pipe, the second interface is connected with the second dust pipe, the third interface is connected with a dust cup, the dust cup is fixedly arranged on the dust collector main machine, the circular cavity is internally provided with a movable switching pipe capable of rolling along the circumferential, the movable switching tube is cylindrical, the inside of the movable switching tube is of a hollow structure, a switching opening with a half perimeter of the movable switching tube is formed in the side wall of the movable switching tube, and the movable switching tube rotates back and forth between the first connector and the second connector.

Further, the switching port extends in the circumferential direction of the movable switching tube.

Furthermore, two opposite ends of the switching port respectively form two arc-shaped end surfaces.

Further, a dust guide plate which can slide along the circumferential direction of the movable switching tube is arranged in the movable switching tube.

Furthermore, the dust guide plate is a plate body with a triangular cross section, the inside of the dust guide plate is of a hollow structure, the first end of the dust guide plate is sleeved on the side wall of the movable switching tube, the second end of the dust guide plate extends into the movable switching tube, and the second end of the dust guide plate forms a U-shaped bend.

Furthermore, the body of the dust guide plate and the second end form an included angle of 123-127 degrees.

Furthermore, a guide plate for pressing the inner wall of the movable switching tube is fixedly arranged in the circular cavity.

Further, the guide plate is H-shaped, and the inner surface of the guide plate is wavy.

Furthermore, the first dust pipe is screwed on the first interface through the first joint, and the second dust pipe is screwed on the second interface through the second joint.

On the other hand, the invention provides an air duct switching method of a push rod type dust collector capable of automatically switching air ducts, which comprises the following steps:

when the free cleaning mode of the first dust pipe needs to be switched, the main machine of the dust collector is opened, the suction force of the main machine of the dust collector is controlled to a first switching setting grid, the suction force of the first switching setting grid is larger than the maximum suction force of the dust pipe of the main machine of the dust collector, the suction force of the first switching setting grid enters the circular cavity and then pulls the movable switching pipe to rotate, the switching port on the movable switching pipe rotates to the connecting position of the first interface and the third interface from the connecting position of the second interface and the third interface, then the suction force of the first switching setting grid is stopped, the suction force of the main machine of the dust collector is controlled to the suction force required by operation, the force is not enough to continuously pull the movable switching pipe to continuously rotate, and the first dust pipe can start cleaning operation;

when the floor brush cleaning mode of the second dust pipe needs to be switched, the main machine of the dust collector is opened, the suction force of the main machine of the dust collector is controlled to be switched to the second switching setting frame, the suction force of the second switching setting frame is larger than the maximum suction force of the floor brush of the main machine of the dust collector, the suction force of the second switching setting frame enters the circular cavity and then pulls the movable switching pipe to rotate, the switching port on the movable switching pipe rotates to the switching position of the second interface and the third interface from the switching position of the first interface and the third interface, then the suction force of the second switching setting frame is stopped, the suction force of the main machine of the dust collector is controlled to be required by operation, the force of the suction force is not enough to continuously pull the movable switching pipe to continuously rotate, and the floor brush component can start cleaning operation.

In the push rod type dust collector with the self-switching air channel and the air channel switching method thereof, the suction force with set force is mainly set, then the suction force formed in the first dust pipe or the second dust pipe when the dust collector is started is used as power for driving the movable switching pipe to rotate along the circumferential direction of the circular cavity, and when the position of the switching port is switched, the suction force is closed immediately, so that the dust collector enters a normal dust collection mode, and the cleaning operation of the dust collection pipe or the ground brush is started, thereby realizing the automatic switching of the air channel of the dust collection pipe and improving the use convenience compared with the prior art.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a structural exploded view of a stick type cleaner with a self-switching duct according to an embodiment of the present invention;

FIG. 2 is an enlarged view of portion B of FIG. 1;

fig. 3 is a schematic structural view of a movable switching tube in a stick type vacuum cleaner with a self-switching air duct according to an embodiment of the present invention;

FIG. 4 is an assembly view of a stick type vacuum cleaner with self-switching duct according to an embodiment of the present invention;

FIG. 5 is a schematic view of the position of the movable switch tube when the free cleaning mode of the first dust tube is switched from the push rod type vacuum cleaner with the switched air channel provided by the embodiment of the present invention;

fig. 6 is a schematic diagram illustrating a position of a movable switching tube when a floor brush cleaning mode of a second dust tube is switched from a push rod type vacuum cleaner with a switched air duct according to an embodiment of the present invention.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

The first embodiment is as follows:

referring to fig. 1 to 4, which illustrate a push rod type vacuum cleaner with a self-switching air duct according to an embodiment of the present invention, the vacuum cleaner includes a vacuum cleaner main body 1, a ground brush member 2, a first dust tube 3 and a second dust tube 4, the first dust tube 3 is connected to the vacuum cleaner member, the second dust tube 4 is connected to the ground brush member 2, a dust tube switching mechanism 5 is fixedly mounted on one side of the vacuum cleaner main body 1, the dust tube switching mechanism 5 includes a switching base 51, the switching base 51 is cylindrical and has a circular cavity 52 therein, the axial direction of the circular cavity 52 is perpendicular to the axial direction of the first dust tube 3 or the second dust tube 4, the switching base 51 is provided with a first port 53, a second port 54 and a third port 55, the first port 53 and the second port 54 are coaxially disposed, the third port 55 is perpendicular to the first port 53 or the second port 54, the first port 53 is connected to the first dust tube 3 through the first joint 31, the second port 54 is connected to the second dust tube 4 through the second joint 41, the third interface 55 is connected with the dust cup 6, the dust cup 6 is fixedly installed on the cleaner main body 1, a movable switching tube 56 capable of rolling along the circumferential direction of the circular cavity 52 is arranged in the circular cavity 52, the movable switching tube 56 is cylindrical, the interior of the movable switching tube 56 is of a hollow structure, a switching opening 561 which is half of the circumference of the movable switching tube 56 is formed in the side wall of the movable switching tube 56, the movable switching tube 56 rotates back and forth between the first interface 53 and the second interface 54, and the switching opening 561 extends along the circumferential direction of the movable switching tube 56.

Referring to fig. 5 to 6, when the free cleaning mode of the first dust pipe 3 needs to be switched, the vacuum cleaner main body 1 is opened, the suction force of the vacuum cleaner main body 1 is controlled to a first switching setting, the suction force of the first switching setting is greater than the maximum suction force of the dust pipe of the vacuum cleaner main body 1, the movable switching pipe 56 is pulled to rotate after the suction force of the first switching setting enters the circular cavity 52, the switching port 561 on the movable switching pipe 56 rotates from the joint of the second port 54 and the third port 55 to the joint of the first port 53 and the third port 55, then the suction force of the first switching setting is stopped, the suction force of the vacuum cleaner main body 1 is controlled to the suction force required by the operation, the force is not enough to pull the movable switching pipe 56 to continue to rotate, and the first dust pipe 3 can start to perform the cleaning operation;

referring to fig. 5 to 6, when the floor brush cleaning mode of the second dust pipe 4 needs to be switched, the vacuum cleaner main body 1 is opened, the suction force of the vacuum cleaner main body 1 is controlled to a second switching setting, the suction force of the second switching setting is greater than the maximum suction force of the floor brush of the vacuum cleaner main body 1, the movable switching pipe 56 is pulled to rotate after the suction force of the second switching setting enters the circular cavity 52, the switching port 561 on the movable switching pipe 56 rotates from the junction of the first port 53 and the third port 55 to the junction of the second port 54 and the third port 55, then the suction force of the second switching setting is stopped, the suction force of the vacuum cleaner main body 1 is controlled to the suction force required by the operation, the force is not enough to pull the movable switching pipe 56 to continue to rotate, and the floor brush component 2 can start cleaning operation.

In the push-rod type dust collector with the self-switching air channel, the suction force set by the force is mainly set, then the suction force formed in the first dust pipe or the second dust pipe when the dust collector is started is used as the power for driving the movable switching pipe to rotate along the circumferential direction of the circular cavity, and after the position of the switching port is switched, the suction force is closed immediately, so that the dust collector enters a normal dust collection mode, and the cleaning operation of the dust collection pipe or the floor brush is started, thereby realizing the automatic switching of the air channel of the dust collection pipe and improving the use convenience compared with the prior art.

Example two:

referring to fig. 1 to 2, a stick type vacuum cleaner with a self-switching air duct according to a second embodiment of the present invention is shown, and the present embodiment further adopts the following technical solutions as improvements on the basis of the above embodiment: two opposite ends of the switching port 561 form two arc-shaped end surfaces 562 respectively, so that the wind resistance in the air duct can be reduced, and the dust collection efficiency is improved.

Example three:

referring to fig. 1 to 2, a stick type vacuum cleaner with a self-switching air duct according to a third embodiment of the present invention is shown, and the present embodiment further adopts the following technical solutions as improvements on the basis of the above embodiment: a dust guide plate 57 which can slide along the circumferential direction of the movable switching tube 56 is arranged in the movable switching tube 56, the dust guide plate 57 is a plate body with a triangular cross section, the inside of the dust guide plate 57 is a hollow structure, a first end 571 of the dust guide plate 57 is sleeved on the side wall of the movable switching tube 56, a second end 572 of the dust guide plate 57 extends into the movable switching tube 56, and the second end 572 forms a U-shaped bend.

Through the arrangement of the structure, the dust can be quickly guided in the movable switching pipe along the circumferential direction of the movable switching pipe, so that the dust collection efficiency is improved. For the purpose of best improving the dust suction efficiency, it is preferable that the body of the dust guide plate 57 and the second end 572 form an included angle a of 123-.

Example four:

referring to fig. 1 to 2, a stick type vacuum cleaner with a self-switching air duct according to a fourth embodiment of the present invention is shown, and on the basis of the foregoing embodiment, the present embodiment further provides the following technical solutions as improvements: a guide plate 521 is fixedly arranged in the circular cavity 52 and used for pressing the inner wall of the movable switching tube 56, the guide plate 521 is H-shaped, and the inner surface 522 of the guide plate 521 is wavy.

Through the arrangement of the structure, the movable switching tube can be pressed, the deformation phenomenon of the movable switching tube due to suction is prevented, and meanwhile, the H-shaped guide plate structure and the inner part of the guide plate structure are wavy, so that the strength of the guide plate can be ensured.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.