WO2021003732A1

WO2021003732A1 - Handheld dust collector

Info

Publication number: WO2021003732A1
Application number: PCT/CN2019/095570
Authority: WO
Inventors: 高鲁; 俞炜
Original assignee: 炬大科技有限公司
Priority date: 2019-07-08
Filing date: 2019-07-11
Publication date: 2021-01-14
Also published as: CN110250991A

Abstract

A handheld dust collector, comprising a body (3), the body (3) extending from a first end portion (301) to a second end portion (302), the first end portion (301) being provided with a dirty air inlet; a motor (2), used for generating a suction force and sucking air into the dirty air inlet, the motor (2) being connected to the interior of the body (3); and a dust collecting cup (5), used for receiving and storing dust and debris, the dust collecting cup (5) being connected below the body (3) and configured to switch between a close tendency and a release tendency, when in the close tendency, the dust collecting cup (5) is fluidically coupled to the dirty air inlet and the motor (2), and when in the release tendency, the dust collecting cup (5) is decoupled from the dirty air inlet and the motor (2). The invention has a small structure, occupies little space, and allows a storage at nearby locations, thereby facilitating acquisition thereof so as to perform a relatively small cleaning work; the invention allows the user to hold a handle by one hand for operation, and a dust cup cover can achieve one-button quick opening by means of a release button.

Description

Hand-held vacuum cleaner

Technical field

The invention relates to the field of vacuum cleaner manufacturing, in particular to a handheld vacuum cleaner.

Background technique

Vacuum cleaners and other surface devices may have multiple components, each component receiving power from one or more power sources (e.g., one or more batteries or power mains). For example, a vacuum cleaner may include a suction motor to create a vacuum in the cleaning head. The resulting vacuum collects debris from the surface to be cleaned and places the debris in a debris collector.

In order to facilitate the cleaning of the dust collected in the dust cup, the existing vacuum cleaner has a large volume, which is not conducive to storage and use in a small space. In addition, the dust cup is usually equipped with an end cover, which can be opened manually. Convenient, and poor sealing performance can easily cause dust leakage.

Summary of the invention

The purpose of the present invention is to provide a hand-held vacuum cleaner, which has a compact and flexible structure, can be quickly opened with one button, and has good sealing performance.

In order to solve the above technical problems, the present invention adopts the following technical solutions: a handheld vacuum cleaner including a body extending from a first end to a second end, and the first end is provided with a dirty air inlet; and a motor; , The motor is used to generate suction and suck air into the dirty air inlet, the motor is connected to the inside of the body; the dust cup, the dust cup is used to receive and store dust and debris, so The dust cup is connected to the bottom of the body and is configured to switch between a closed orientation and a release orientation. In the closed orientation, the dust cup is fluidly coupled with the dirty air inlet and the motor. The release orientation disconnects the dust cup from the dirty air inlet and the motor to allow the dirt and debris stored in the dust cup to exit from the opening of the dust cup.

The above technical solutions have the beneficial effects: the present invention has a compact and flexible structure and takes up less space, allowing users to store it in nearby locations such as drawers, related charging docks, or on the desktop, thereby facilitating access to perform relatively small cleaning tasks ; Allows one-handed handle to operate, the dust cup lid can be opened quickly by one button by releasing the button, and the sealing performance is good.

In a further aspect of the present invention, the end of the dust collecting cup is provided with a dust cup cover controlled by a release key to open, the dust cup cover is hinged to the dust collecting cup, and the release key is connected to the dust cup cover through a release mechanism.

The above technical solution has beneficial effects: the hinged connection is compact and simple, and the release mechanism opens the dust cup cover through the release button.

In a further aspect of the present invention, the release mechanism includes a push rod, a release key is connected and linked with the push rod, pushing the release key to link the push rod against the dust cup cover, so that the dust cup cover rotates and opens.

The above technical scheme has the beneficial effects: the push rod is selected as the release mechanism to realize the opening of the dust cup, which is simple and easy to implement, and can quickly open the dust cup lid.

In a further aspect of the present invention, the main body is provided with a key groove, the release key moves in the key groove, and the push rod is located in the main body.

The above technical solution has the beneficial effects: the push rod is arranged in the body, which can protect the push rod, and the whole is neat and beautiful. The release key passes through the keyway, exposing the body for easy operation. At the same time, there is space for the release key to move in the keyway. The release button has a limited effect to prevent excessive movement of the push rod.

In a further aspect of the present invention, the push rod is T-shaped, a T-shaped rail groove is arranged in the body, and the push rod moves in the rail groove.

The above technical solution has the beneficial effects: the front end of the T-shaped push rod has a large contact surface, which can contact the cup cover well, or facilitate the installation of other parts. The corresponding T-shaped rail groove is provided with a good positioning and guiding role for the push rod. It can accurately move to the dust cup cover.

Further in the present invention, the front end of the T-shaped push rod is symmetrically connected with two top plates, the lower part of the top plate forms a slope, a pair of connecting rods are symmetrically placed under the two top plates, and a spring is arranged under the connecting rods, and the elastic connecting rod resists on the lower slope of the top plate. The other end of the connecting rod is connected to a rotating shaft, and a pair of upper hooks are connected under the rotating shaft. The hinged joint of the dust cup cover is provided with a return spring to keep the dust cup cover open. The top of the dust cup cover is provided with a pair of lower hooks. The lower hook is hooked to constrain the dust cup cover in the closed state; push the release button, the push rod and the top plate move forward, the top plate slopes down the connecting rod to rotate the connecting rod downward, the lower hook is separated from the upper hook, and the reset spring opens the dust cup cover.

The above technical solution has beneficial effects: move the release button, the push rod and the top plate at the end of the push rod move laterally, the slope at the lower part of the top plate converts the lateral thrust into the vertical thrust, pushes the connecting rod downward, and connects the shaft of the connecting rod Rotate, the upper hook on the shaft rotates upward to free the lower mechanism and the dust cup cover from the restriction. At this time, the dust cup cover is opened under the force of the reset spring; when the dust cup cover needs to be closed, keep the release button in the open position and manually close the dust Cup lid, then release the release button, the spring force pushes the connecting rod upwards, the connecting rod rotates upwards, the upper hook returns to the restraining position and the lower hook is hooked, the connecting rod applies force to the slope, causing the top plate, push rod and release button to retreat and return to their original positions . In addition, the dust cup cover is restrained by the elastic force of the spring, and the dust cup cover is tightly closed to ensure a good sealing performance.

In a further aspect of the present invention, a pair of circular grooves are provided at the bottom of the body, and the spring is installed in the circular grooves.

The above technical solution has the beneficial effect: the circular groove plays a role of positioning and protecting the spring. Of course, the spring can also be directly connected to the bottom of the body.

In a further aspect of the present invention, a handle is connected behind the motor, and the end of the handle is connected with a base for vertical placement of the vacuum cleaner.

The above technical solution has beneficial effects: after the base is set, the vacuum cleaner can be placed more conveniently, and the vacuum cleaner can be placed upright by touching the base downwards with the ground or other objects.

In a further aspect of the present invention, a removable suction nozzle is connected to the second end, and the suction nozzle has a rotating joint.

The above technical solution has beneficial effects: it is convenient to replace and maintain the suction nozzle, and can also be used to replace multiple types of suction nozzles to increase the diversity of products. The rotary joint can lengthen the suction distance of the suction nozzle and is not affected by hand-held vacuum cleaners. The effect of larger volume.

In a further aspect of the present invention, an insert strip is connected to the base, a slot is fitted at the end of the suction nozzle, and the suction nozzle can be freely connected to the body or the base.

The above technical solution has the beneficial effects: the suction nozzle can be quickly removed from the body and placed on the base, which saves space, is convenient for storage, and increases the flexibility of use.

The present invention further includes a charging handle, the charging handle extends from the first end to the second end, and the inside of the charging handle is a cavity; the cavity can accommodate and completely surround a part of the vacuum cleaner body, the first The two ends are cavity entrances, and a first contact is arranged in the cavity near the first end for contact with the second contact on the vacuum cleaner body for charging.

The beneficial effect of adopting the above technical solution is that compared with the three-sided half-enclosed in the prior art, the utility model is a fully enclosed storage cavity, which is smoothly docked with the vacuum cleaner body, and the battery part of the vacuum cleaner body is more stable and firmer when placed in the base.

Further, the present invention is that the cavity is in the shape of a long cylinder and closely fits the contact part of the vacuum cleaner body, the diameter of the entrance of the cavity gradually expands outward, and the entrance of the cavity is provided with a semicircular arc plate, which can Wrap the motor part on the body.

The beneficial effects of adopting the above technical solution are: the cavity is long and cylindrical, which ensures that the cavity has a certain depth, and the contact area with the body part is large, and the base can be placed on the body more firmly; it is closely attached to the vacuum cleaner body to achieve a certain degree The positioning effect of the vacuum cleaner body is placed in the cavity, and the vacuum cleaner body can be accurately docked with the contacts for charging. There will be no inaccurate docking and charging errors; because the cavity is closely attached to the vacuum cleaner body, the entrance Expansion outwards can ensure that the body is more easily docked with the cavity, so that it is easier to enter the cavity; a semi-circular arc plate is set to allow the base and the body to be combined, which can further wrap the motor part on the body and increase the base pair The surrounding area of the body improves the stability and firmness of the body.

Description of the drawings

Figure 1 is a schematic diagram of the structure of the present invention;

Figure 2 is a schematic diagram of the insertion of the suction nozzle of the present invention;

Figure 3 is a control view of the release button of the dust cup lid of the present invention;

Figure 4 is a diagram of the internal structure of the present invention;

Figure 5 is an exploded structural view of the body of the present invention;

Figure 6 is a schematic diagram of the release structure of the dust cup cover of the present invention;

Figure 7 is a top view of the bottom of the dust cup of the present invention;

Figure 8 is a schematic diagram of the structure of the base;

Among them: 1, handle, 2, motor, 3, body, 4, suction nozzle, 5, dust cup, 6, base, 30, release key, 31, keyway, 32, push rod, 33, rail groove, 34, Connecting rod, 35, shaft, 36, upper hook, 37, spring, 38, top plate, 39, circular groove, 50, dust cup cover, 51, lower hook, 52, return spring, 301, first end, 302, Second end, 6, base, 60, insert, 61, charging handle, 62, arc plate, 63, cavity, 64, switch hole, 65, power interface, 66, support base, 67, second contact , 601, the first end, 602, the second end.

Detailed ways

The present invention will be further described in detail below in conjunction with the drawings.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise clearly specified and limited. For example, they can be fixed or detachable. Connected or integrally connected; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components. For those of ordinary skill in the art, the specific meaning of the above-mentioned terms in the present invention can be understood in specific situations.

An embodiment of the present invention: as shown in Figure 1, a handheld vacuum cleaner includes a body 3 extending from a first end 301 to a second end 302, and the first end 301 is provided with There is a dirty air inlet; a motor 2, the motor 2 is used to generate suction and suck air into the dirty air inlet, the motor 2 is connected to the inside of the body 3; the dust cup 5, the dust cup 5 is used to receive and store dust and debris, the dust cup 5 is connected below the body 3 and is configured to switch between a closed orientation and a release orientation. In the closed orientation, the dust cup 5 and The dirty air inlet and the motor 2 are fluidly connected, and in the release orientation, the dust cup 5 is disconnected from the dirty air inlet and the motor 2 to allow storage in the dust cup Dirt and debris in 5 leave from the opening of the dust collecting cup; the end of the dust collecting cup 5 has a dust cup lid 50 controlled by a release button 30 to open.

The above technical solutions have the beneficial effects: the structure is small and flexible, and takes up less space, allowing users to store them in nearby locations such as drawers, related charging docks, or on the desktop, so that they can be easily obtained to perform relatively small cleaning tasks; allow The handle is operated by one hand, and the dust cup cover 50 can be opened quickly by one button through the release button 30, and the sealing performance is good.

In other specific embodiments of the present invention, the rest is the same as the above embodiments, the difference is that, as shown in FIG. 3, the end of the dust cup 5 has a dust cup lid 50 that can be opened by a release button. The dust cup cover 50 is hinged to the dust cup 5, and the release key 30 is connected to the dust cup cover 50 through a release mechanism.

The above technical solution has beneficial effects: the hinged connection is compact and simple, and the release mechanism opens the dust cup cover 50 through the release button.

In other specific embodiments of the present invention, the rest is the same as the above embodiments, the difference is that, as shown in FIG. 4, the release mechanism includes a push rod 32, and the release key 30 is connected and linked with the push rod 32 to push The release button 30 links the push rod 32 against the dust cup cover 50 to turn the dust cup cover 50 open.

The above technical solution has the beneficial effect: the push rod 32 is selected as the release mechanism to realize the opening of the dust cup, which is simple and easy to implement, and the dust cup cover 50 can be opened quickly.

In some other specific embodiments of the present invention, the rest is the same as the above embodiments, the difference is that, as shown in FIG. 3, the main body 3 is provided with a key groove 31, the release key 30 moves in the key groove 31, and the push rod 32 is located in the body 3.

The above technical solution has the beneficial effect: the push rod 32 is arranged in the body 3, which can protect the push rod 32, and the whole is tidy and beautiful. The release key 30 is exposed outside the body through the key groove 31 for easy operation, and at the same time, there is a release in the key groove 31 The space for the key 30 to move has a limited effect on the release of the key and prevents excessive movement of the push rod.

In other specific embodiments of the present invention, the rest is the same as the above embodiments, the difference is that, as shown in FIG. 5, the push rod 32 is T-shaped, the body is provided with a T-shaped rail groove 33, and the push rod 32 Move in the rail groove 33.

The above technical solution has beneficial effects: the front end of the T-shaped push rod 32 has a large contact surface, which can contact the cup lid well, or facilitate the installation of other parts. The corresponding T-shaped rail groove 33 is provided for the push rod 32 to achieve good positioning. The guiding effect enables it to move accurately to the dust cup lid.

In some other specific embodiments of the present invention, the rest is the same as the above embodiments, the difference is that, as shown in FIG. 6, the front end of the T-shaped push rod 32 is symmetrically connected with two top plates 38, and the lower part of the top plate 38 forms a slope. A pair of connecting rods 34 are placed symmetrically below the two top plates 38. The connecting rod 34 is provided with a spring 37, which is pressed against the lower slope of the top plate 38 by the elastic connecting rod 34. The other end of the connecting rod 34 is connected to the rotating shaft 35, and the rotating shaft 35 is connected downwardly. A pair of upper hooks 36, the hinged joint of the dust cup cover 50 is provided with a return spring 52 that keeps the dust cup cover open, and the top of the dust cup cover 50 is provided with a pair of lower hooks 51, the upper hook 36 is hooked with the lower hook 51 to restrain the dust cup The cover 50 is in the closed state; push the release button 30, the push rod 32 and the top plate 38 move forward, the top plate 38 slopes down the connecting rod 34 to make the connecting rod 34 rotate downward, the lower hook 51 is separated from the upper hook 36, and the return spring 52 opens the dust cup cover 50.

The above technical solution has beneficial effects: move the release key 30, push rod 32 and the top plate 38 at the end of the push rod move laterally, the slope at the lower part of the top plate 38 converts the lateral thrust into vertical thrust, and pushes the connecting rod 34 downward. The rotating shaft 35 connected with the connecting rod rotates, and the upper hook 36 on the rotating shaft 35 rotates upwards, so that the lower frame 51 and the dust cup cover 50 are free from restriction. At this time, the dust cup cover 50 is opened under the force of the return spring 52; the dust cup cover needs to be closed At 50 o'clock, keep the release button 30 in the open position, manually close the dust cup cover 50, then release the release button 30, the spring 37 will push the connecting rod 34 upwards, the connecting rod 34 will rotate upwards, and the upper hook 36 will return to the restraining position to hook up with the lower hook 51 , The connecting rod 34 exerts force on the slope to make the top plate 38, the push rod 32 and the release button 30 retreat and return to the original position. In addition, the dust cup cover is restrained by the elastic force of the spring, and the dust cup cover is tightly closed to ensure a good sealing performance.

In other specific embodiments of the present invention, the rest is the same as the above embodiments, the difference is that, as shown in FIG. 7, a pair of circular grooves 39 are provided at the bottom of the body 3, and a spring 37 is installed in the circular groove 39. Inside.

The above technical solution has the beneficial effect: the circular groove 39 plays a role of positioning and protecting the spring 37, of course, the spring 37 can also be directly connected to the bottom of the body 3.

In other specific embodiments of the present invention, the rest is the same as the above embodiments, the difference is that, as shown in FIG. 1, a handle 1 is connected behind the motor 2 and the end of the handle 1 is connected to facilitate vertical placement. The base of the vacuum cleaner 6.

The above-mentioned technical solution has the beneficial effect: after the base 6 is set, the vacuum cleaner can be placed more conveniently, and the vacuum cleaner can be placed upright by touching the base 6 downward with the ground or other objects.

In other specific embodiments of the present invention, the rest is the same as the above embodiments, the difference is that, as shown in FIGS. 1 and 2, the second end 302 is connected with a removable suction nozzle 4, The suction nozzle has a rotating joint.

The above technical solution has beneficial effects: it is convenient to replace and maintain the suction nozzle 4, and can also be used to replace multiple types of suction nozzles 4 to increase the diversity of products. The rotary joint can extend the suction distance of the suction nozzle without being held by hand Due to the large volume of the vacuum cleaner itself, when cleaning, for example, under the coffee table or under the desktop folder, the rotary joint can adjust the overall suction angle, and can enter the suction nozzle itself to a deeper distance to vacuum, making the suction nozzle parallel to the ground. Or desktop, so as to enter deeper.

In some other specific embodiments of the present invention, the rest is the same as the above-mentioned embodiments, except that, as shown in FIG. 2, an insert 60 is connected to the base 6, and the end of the suction nozzle 4 is fitted with an insert. The groove and the suction nozzle 4 can be freely connected to the body 3 or the base 6.

The above technical solution has the beneficial effects: the suction nozzle 4 can be quickly removed from the main body 3 and placed on the base 6, which saves space, is convenient for storage, and increases the flexibility of use.

The invention also discloses a base for placing a handheld vacuum cleaner. The handheld vacuum cleaner is detachably connected to the base. The base can charge the handheld vacuum cleaner. The main structure is as follows: a vacuum cleaner base, charging handle 61: charging handle 61 extends from the first end 601 to the second end 602, the inside of the charging handle 61 is a cavity 63; the cavity 63 can accommodate and completely surround a part of the vacuum cleaner body 3, and the second end 602 is the cavity entrance, as shown in the figure As shown in 4 and 6, there is a first contact 30 in the cavity 63 near the first end 601 for contacting with the second contact 67 on the vacuum cleaner body for charging.

The beneficial effect of adopting the above technical solution is: as shown in Figures 2 and 3, compared with the three-sided and half-enclosed in the prior art, the present utility model is a full-enclosed storage cavity, which is smoothly docked with the vacuum cleaner body 3. A part of it is placed in the base 6 to be more stable and firmer. In this embodiment, the body part placed in the base 6 is the battery box 31.

In other specific embodiments of the present invention, the rest is the same as the above embodiments, except that, as shown in FIG. 1, the cavity 63 has a long cylindrical shape and is closely attached to the contact part of the vacuum cleaner body 3.

The beneficial effects of adopting the above technical solution are: the cavity is long and cylindrical, which ensures that the cavity has a certain depth, and the contact area with the body part is large, and the base 6 can be placed on the body more firmly; it is closely attached to the vacuum cleaner body 3. When a certain positioning effect is reached, the vacuum cleaner body 3 is placed in the cavity, and the vacuum cleaner body 3 can be accurately docked with the contacts for charging, and there will be no inaccurate docking and charging errors.

In other specific embodiments of the present invention, the rest is the same as the above embodiments, except that, as shown in FIG. 1, the diameter of the entrance of the cavity 63 gradually expands outward.

The beneficial effect of adopting the above technical solution is that since the inside of the cavity is closely attached to the vacuum cleaner body 3, the entrance gradually expands outward, which can ensure that the body is more easily docked with the cavity, and thus it is easier to enter the cavity.

Of course, the above-mentioned embodiments are only to illustrate the technical concept and characteristics of the present invention, and their purpose is to enable people familiar with the technology to understand the content of the present invention and implement them accordingly, and cannot limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit of the main technical solution of the present invention should be covered by the protection scope of the present invention.

Claims

A handheld vacuum cleaner, characterized in that it comprises

A body, the body extends from a first end to a second end, and the first end is provided with a dirty air inlet;

A motor for generating suction and sucking air into the dirty air inlet, and the motor is connected to the inside of the body;

The dust collecting cup is used for receiving and storing dust and debris. The dust collecting cup is connected to the bottom of the body and is configured to switch between a closed orientation and a release orientation. In the closed orientation, the The dust cup is fluidly coupled with the dirty air inlet and the motor, and in the release orientation, the dust cup is disconnected from the dirty air inlet and the motor to allow storage in the collector Dirt and debris in the dust cup exit from the opening of the dust cup.
The hand-held vacuum cleaner according to claim 1, wherein the end of the dust cup has a dust cup lid that is controlled to open by a release button, the dust cup lid is hinged to the dust cup, and the release button is connected by a release mechanism Dust cup cover.
The hand-held vacuum cleaner according to claim 2, wherein the release mechanism comprises a push rod, the release key is connected and linked with the push rod, pushing the release key to link the push rod and the dust cup cover to abut the dust cup cover Turn to open.
The handheld vacuum cleaner according to claim 3, wherein the main body is provided with a key groove, the release key moves in the key groove, and the push rod is located in the main body.
The handheld vacuum cleaner according to claim 4, wherein the push rod is T-shaped, a T-shaped rail groove is provided in the body, and the push rod moves in the rail groove.
A handheld vacuum cleaner according to claim 5, wherein the front end of the T-shaped push rod is symmetrically connected with two top plates, the lower part of the top plate forms a slope, and a pair of connecting rods are symmetrically placed under the two top plates, and a spring is arranged under the connecting rod. , The lower slope of the top plate is resisted by an elastic connecting rod, the other end of the connecting rod is connected with a rotating shaft, a pair of upper hooks are connected under the rotating shaft, the hinge of the dust cup cover is provided with a return spring that keeps the dust cup cover open. There is a pair of lower hooks on the top of the cover. The upper hook and the lower hook are hooked to constrain the dust cup cover in the closed state; push the release button, the push rod and the top plate move forward, the top plate slopes down the connecting rod to make the connecting rod rotate downward, and the lower hook Disengage the upper hook, the return spring opens the dust cup cover.
The hand-held vacuum cleaner according to claim 6, wherein a pair of circular grooves are provided at the bottom of the body, and the spring is installed in the circular grooves.
The hand-held vacuum cleaner according to claim 1, wherein a handle is connected behind the motor, and a base for vertical placement of the vacuum cleaner is connected to the end of the handle.
The hand-held vacuum cleaner according to claim 8, wherein the second end is connected with a removable suction nozzle, and the suction nozzle has a rotating joint.
The hand-held vacuum cleaner according to claim 9, characterized in that an insert strip is connected to the base, the end of the suction nozzle is fitted with a slot, and the suction nozzle can be freely connected to the body or the base.
A handheld vacuum cleaner according to any one of claims 1-10, characterized by comprising a charging handle, the charging handle extends from a first end to a second end, and the inside of the charging handle is a cavity; The cavity can accommodate and completely surround a part of the vacuum cleaner body, the second end is the cavity entrance, and the cavity has a first contact near the first end for contact with the second contact on the vacuum cleaner body Charge it.
The hand-held vacuum cleaner according to claim 11, wherein the cavity is in the shape of a long cylinder and closely fits the contact part of the vacuum cleaner body, the diameter of the entrance of the cavity gradually expands outward, and the cavity A semicircular arc plate is arranged at the entrance of the cavity, which can wrap the motor part on the body.