CN115227137B

CN115227137B - Vacuum cleaner

Info

Publication number: CN115227137B
Application number: CN202110443677.2A
Authority: CN
Inventors: 卞庄
Original assignee: Suzhou EUP Electric Co Ltd
Current assignee: Suzhou EUP Electric Co Ltd
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2023-06-16
Anticipated expiration: 2041-04-23
Also published as: WO2022223014A1; CN115227137A

Abstract

The invention discloses a vacuum cleaner, which comprises a suction nozzle part, a dust cup part, a motor part, a handle and an exhaust part. The suction nozzle part comprises a dirty air inlet and an exhaust port, the motor part is used for generating suction force and sucking external dirty air, the dust cup part can store chips, the handle is used for being held by a user, and the exhaust part is used for forming an exhaust path. An exhaust port arranged at the periphery of the dirty air inlet for exhausting exhaust air from the motor section creates a positive pressure at the periphery of the dirty air inlet. When the vacuum cleaner is used for sucking dust on surface tension-free objects such as curtains, the surface tension-free objects such as curtains can be prevented from being attached to a dirty air inlet due to the positive pressure effect in front of an exhaust port, so that the continuous movement of the vacuum cleaner is prevented. Meanwhile, when the vacuum cleaner is used for sucking dust and removing mites on the hair and the epidermis of the pet, the negative pressure of the dirty air inlet can be effectively relieved to drag the root of the hair of the pet, and the comfort of the pet is improved.

Description

Vacuum cleaner

Technical Field

The present application relates to the field of cleaning apparatus, and in particular to a vacuum cleaner.

Background

The vacuum cleaner has a number of components, generally including a suction nozzle portion, a dirt cup portion, a motor portion and corresponding plumbing and operating components. Vacuum cleaners rely on driving a motor to create a vacuum before the dirty air inlet is brought to the motor impeller. The resulting vacuum collects debris from the surface to be cleaned, passes it through the dirty air suction duct, and accumulates the debris in the dirt cup portion, thereby achieving a cleaning effect. The dirty air inlet of the vacuum cleaners currently on the market employs a single suction duct arrangement. Therefore, when cleaning the surface tension-free objects such as curtains, the surface tension-free objects such as curtains are attached to the dirty air inlet due to the negative pressure in front of the suction inlet, which prevents the vacuum cleaner from continuously moving. In addition, when the vacuum cleaner is used for sucking dust and removing mites on the hair and the epidermis of the pet, the hair of the pet can be sucked into the dirty air inlet, so that the root of the hair of the pet is pulled greatly, and the comfort of the pet is low.

Disclosure of Invention

The utility model provides an among the prior art vacuum cleaner has the operation inconvenient when being used for surface tension-free object such as (window) curtain to clean to and be used for the dust absorption of pet hair and epidermis to remove the lower problem of pet comfort level when mite, provide a vacuum cleaner of improvement nature.

In order to achieve the above purpose, the present application adopts the following technical scheme: a vacuum cleaner, comprising: a suction nozzle portion including a dirty air inlet; a motor part configured to generate a suction force and draw outside air into the dirty air inlet; a dirt cup in fluid communication with the dirty air inlet and configured to store debris separated from a dirty air stream; and at least one exhaust port for exhausting clean air from the motor part; wherein the at least one exhaust port is adjacent to the dirty air inlet, the dirty air inlet being configured to direct ambient air to be drawn in a first direction, the at least one exhaust port being configured to direct clean air from the motor section to be blown out in a second direction opposite the first direction.

According to the vacuum cleaner of the technical scheme, the exhaust port is arranged at the outer side of the dirty air inlet, positive pressure can be formed at the outer side of the dirty air inlet, and the continuous positive pressure can enable surface tension-free objects such as curtains and the like to keep a certain distance from the dirty air inlet all the time, so that the surface tension-free objects such as curtains and the like are prevented from being attached to the dirty air inlet, and normal movement of the vacuum cleaner is guaranteed. Meanwhile, when the dust collector is used for sucking dust and removing mites on the hair and the epidermis of the pet, the continuous positive pressure can blow part of the hair of the pet away from the dirty air inlet, so that the comfort of the pet is improved.

In one possible implementation, the at least one vent protrudes outwardly with respect to the housing or is flush with the housing. The negative pressure of the dirty air inlet is used for sucking dust and removing mites on the upper part of the hair root of the pet, and the positive pressure formed by the exhaust port can be used for buffering the pulling of the hair root of the pet caused by the negative pressure of the dirty air inlet, so that the comfort of the pet is improved.

In one possible implementation, the housing and the at least one exhaust port are both located on a front side of the dirt cup portion, and the motor portion is located on a rear side of the dirt cup portion. The dust in the dirty air, the dust on the hair and the epidermis of the pet, mites and the like are collected in the dust cup part, so that the cleaning effect is achieved. Simultaneously, the pet is far away from the noise of the motor, and the comfort of the pet is improved when the device is used.

In one possible implementation, the device further comprises a handle portion configured to be held by a hand of a user, the handle portion being adjacent to the motor portion. Convenient for the user to operate and is far away from dirty air.

In one possible implementation, the handle portion is configured to receive at least one battery for powering the motor portion. So that the vacuum cleaner is compact.

In one possible implementation, the dust cup further comprises an exhaust path, wherein the exhaust path communicates the motor part with the at least one exhaust port, and at least part of the exhaust path passes through the outside of the dust cup part. The arrangement structure is compact, the exhaust passage is prolonged, the exhaust outlet pressure is reduced, and the exhaust is prevented from blowing off the chips on the surface of the object.

In one possible implementation manner, the dust cup further comprises an exhaust part positioned at one side of the dust cup part, the dust cup part comprises a dust cup, a part of outer wall surface of the dust cup is abutted against the exhaust part, and at least a part of exhaust channels are defined by the exhaust part.

In one possible implementation, the at least one air outlet is configured to blow air from the clean air in the second direction in an outward diffusing manner. So as to increase the area of the positive pressure area formed at the front side of the exhaust port and reduce the pressure of the positive pressure area.

In one possible implementation, the at least one air outlet is configured to blow air from the clean air in the second direction in an inboard gathering manner. So as to reduce the positive pressure area formed on the front side of the exhaust port. Increasing the pressure in the positive pressure zone.

In one possible implementation, the device further comprises a blowing nozzle, the at least one air outlet is formed on the blowing nozzle, and the blowing nozzle is removably arranged at the suction nozzle part. The user can conveniently remove or replace the blowing nozzles of different types and clean the blowing nozzles.

In one possible implementation, the at least one exhaust port is annular, and the at least one exhaust port is disposed around the periphery of the dirty air inlet housing and concentric with one another.

Drawings

Fig. 1 is a schematic perspective view of a vacuum cleaner according to an embodiment of the present disclosure;

FIG. 2 is a schematic elevational cross-sectional view of a vacuum cleaner of the type shown in FIG. 1;

FIG. 3 is a schematic top cross-sectional view of a vacuum cleaner of the type shown in FIG. 1;

FIG. 4 is a schematic view of a vacuum cleaner shown in FIG. 1;

FIG. 5 is a schematic air flow diagram of the front cross-sectional view of FIG. 2;

FIG. 6 is a schematic air flow diagram of the top cross-sectional view of FIG. 3;

FIG. 7 is a schematic view of one possible air nozzle configuration of the vacuum cleaner of FIG. 1;

FIG. 8 is a schematic view of another possible air nozzle configuration of the vacuum cleaner of FIG. 1;

FIG. 9 is a schematic view of a vacuum cleaner with another air nozzle according to an embodiment of the present disclosure;

fig. 10 is a perspective view of the blowing nozzle shown in fig. 9.

Reference numerals:

100. a vacuum cleaner;

1. a suction part; 101. a mounting base; 102. a housing; 1021. an inner tube; 1022. an outer tube; 103. an exhaust port; 104. a dirty air suction passage; 105. a blowing nozzle; 106. a vent hole; 107. a seal; 108. a gap; 109. a dirty air inlet;

2. a dust cup portion; 201. a dust collection chamber; 202. an air intake passage; 203. an inner channel; 204. filtering the base; 205. an outflow channel; 206. a dust cup; 2061. a short pipe; 207. a notch; 208. a filter; 2081. a top cover; 2082. a filter cover; 2083. a central tube; 2084. a mesh;

3. a motor section; 301. a motor impeller; 302. a drive motor; 303. a motor housing exhaust outlet; 304. a handle connecting member; 305. a motor section exhaust section; 306. a motor housing; 307. a motor cover;

4. a handle;

5. an exhaust unit; 501. an outlet; 502. a channel; 503. an inlet; 504. an exhaust housing;

6. an exhaust path.

Description of the embodiments

In order to describe the technical content, constructional features, objects and effects of the invention in detail, the technical solutions of the embodiments of the present application will be described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. In the following description, for purposes of explanation, numerous specific details are set forth in order to provide a detailed description of various exemplary embodiments or implementations of the invention. However, various exemplary embodiments may be practiced without these specific details or with one or more equivalent arrangements. Furthermore, the various exemplary embodiments may be different, but are not necessarily exclusive. For example, the specific shapes, configurations, and characteristics of the exemplary embodiments may be used or implemented in another exemplary embodiment without departing from the inventive concept.

Hereinafter, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.

In this application, the spatially relative terms "opposite" are used to describe directions of movement that form a small included angle in the range of 140 ° to 180 °. Such as "clean air is blown out in a second direction opposite to the first direction". "means that the second direction forms a small angle with the first direction in the range of 140 DEG to 180 deg.

In the present application, the spatially relative terms "outward diffusion mode" and "inward gathering mode" are used to describe a movement of an object in a certain direction, and also have a component speed of movement toward the outside or the inside. The clean air is blown out along the second direction (F2) in an outward diffusing manner. "means that the cleaning air has a partial velocity of the outward movement during the movement in the second direction (F2).

Furthermore, spatially relative terms such as "under … …," "under … …," "under … …," "lower," "above … …," "upper," "above … …," "higher," "side" (e.g., as in "sidewall") and the like are used herein to describe one element's relationship to another element(s) as illustrated in the figures. Spatially relative terms are intended to encompass different orientations of the device in use, operation and/or manufacture in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "under" or "beneath" other elements or features would then be oriented "over" the other elements or features. Thus, the exemplary term "below … …" may include both upper and lower orientations. Furthermore, the device may be otherwise positioned (e.g., rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In the present application, unless explicitly specified and limited otherwise, the term "coupled" is to be construed broadly, and for example, "coupled" may be either fixedly coupled, detachably coupled, or integrally formed; can be directly connected or indirectly connected through an intermediate medium.

The embodiment of the application provides cleaning equipment. The cleaning apparatus comprises, for example, a hand-held vacuum cleaner or the like. The specific form of the cleaning device described above is not particularly limited in the embodiments of the present application. For convenience of explanation, a hand-held vacuum cleaner will be used as an example.

Referring to fig. 1-4, a schematic diagram of a vacuum cleaner 100 according to an embodiment of the present application is shown.

As shown in fig. 1, a vacuum cleaner 100 according to an embodiment of the present invention includes: a suction part 1, a dust cup part 2 positioned at the rear side of the suction part 1, and a motor part 3 positioned at the rear side of the dust cup part 2. In this example, the suction part 1, the dust cup part 2, and the motor part 3 are arranged substantially along a straight line. The motor part 3 is also provided with a handle 4, and the handle 4 is arranged to be convenient for a user to hold and operate. In this example, a built-in battery (not shown) is mounted inside the handle 4 for supplying power to the drive motor 302 in the motor section 3. The motor 3 and the handle 4 are rotatably connected, and the maximum rotation angle is defined by the motor cover 307.

The nozzle part 1 shown in fig. 2 to 3 includes a mount 101, a housing 102 attached to the front side of the mount 101, a dirty air inlet 109, an exhaust port 103 located at the periphery of the dirty air inlet 109, a dirty air suction channel 104, a blower nozzle 105, a seal 107 arranged on the mount 101, and a gap 108.

The housing 102 is of an integrated design, comprising an inner tube 1021 and an outer tube 1022 located at the periphery of the inner tube. The inside of the inner tube 1021 forms a dirty air suction channel 104. In this example, the dirty air inlet 109 is located at the forward most end of the entire housing 102 and is in fluid communication with the dirty air suction channel 104 for drawing in dirty air. A gap 108 is provided between the inner tube 1021 and the outer tube 1022, and a vent hole 106 for communicating the gap 108 with the exhaust port 103 is provided in the outer tube 1022.

Referring to fig. 4, the air nozzle 105 is cylindrical and is engaged with the front portion of the housing 102. An exhaust port 103 is defined between the front of the housing 102 and the blowing nozzle 105. In this example, the exhaust port 103 is annular and surrounds the periphery of the dirty air inlet 109, the exhaust port 103 being arranged concentrically with and flush with the dirty air inlet 109; in other alternatives, the exhaust port may also protrude to the front side with respect to the dirty air inlet.

In the embodiment of the present application, the air blowing nozzle 105 is detachably connected to the housing 102, which can facilitate the replacement of the air blowing nozzle of different types by a user and cleaning of the air blowing nozzle. The detachable connection mode of the air blowing nozzle and the shell is not limited, and the air blowing nozzle and the shell can be connected through a buckle structure, a turnbuckle structure and the like. The construction of the snap-fit and turnbuckle arrangements is well known to those skilled in the art. The blowing nozzle 105 can use the positive pressure of the exhaust port 103 to prevent objects such as curtains, clothes, etc. from adhering to the dirty air inlet 109 when the vacuum cleaner is used to suck the surface tension-free objects, so as to ensure the sustainable movement of the vacuum cleaner 100. In addition, the blowing nozzle can effectively relieve the pulling of the root of the hair of the pet due to the negative pressure of the dirty air inlet 109 when the vacuum cleaner 100 is used for sucking the hair and the epidermis of the pet to remove mites, and improve the comfort of the pet.

With continued reference to fig. 2-4, the dirt cup portion 2 includes a dirt cup 206 defining a dirt collection chamber 201 therein, and a filter 208 disposed rearwardly of the dirt cup 206 and extending partially into the dirt collection chamber 201. In this example, the dirt cup 206 and the filter 208 on the dirt cup portion 2 can be removed together to pour out dirt inside the dirt cup 206 and to clean the dirt cup 206 and the filter 208.

In this embodiment, the dust cup 206 is a cylindrical integral member, and the front end of the dust cup 206 has a notch 207 and the rear end has an open structure. The front part of the dust cup 206 has a part of the cup wall extending rearward to form a short tube 2061 passing through the notch 207 and penetrating the inside of the dust cup 206, the inside of the short tube 2061 forming the air intake passage 202. When the dust cup 2 is connected to the suction port 1, the front end of the dust cup 206 abuts against the rear end surface of the mount 101, and the inner tube 1021 and the short tube 2061 are hermetically connected to each other by the seal 107, so that the intake passage 202 is in fluid communication with the dirty air intake passage 104.

In this embodiment, the filter 208 includes a top cover 2081, a cylindrical filter housing 2082 with a plurality of meshes 2084, and a center tube 2083 located inside the filter housing 2082 and fixedly connected to the filter housing 2082. The front end nozzle of the center tube 2083 communicates with the short tube 2061, and the rear end passes through the filter housing 2082 and protrudes into the dust collection chamber 201. The inner side of the center tube 2083 forms an inner side channel 203, with fluid communication between the intake channel 202 and the inner side channel 203. The rear end of the filter housing 2082 is connected to the top cover 2081 and abuts the dust cup 206, and the gas flowing out of the inner channel 203 can flow in a spiral shape by the combination of the structure of the filter housing 2082 and the dust cup 206. The top cover 2081 is detachably installed at the rear end opening of the dust cup 206 and closes the dust chamber 201. The top cover 2081, filter housing 2082, and center tube 2083 collectively define the outflow channel 205. The filter housing 2082 is provided with a mesh 2084 that enables the dust chamber 201 to be in fluid communication with the outflow channel 205. A filter seat 204 is provided inside the top cover 2081 for filtering dirty air passing through the outflow channel 205.

With continued reference to fig. 2-3, the motor portion 3 includes a motor impeller 301, a drive motor 302, a handle connection member 304, a motor portion exhaust section 305, a motor housing 306, and a motor cover 307. The drive motor 302 is powered by the built-in battery of the handle 4, the drive motor 302 driving the motor impeller 301, thereby creating a continuous negative pressure in the passage between the dirty air inlet 109 and the motor impeller 301. The motor section exhaust section 305 is defined by a gap between the motor housing 306 and the motor housing 307. A motor housing exhaust outlet 303 is arranged at the rear end of the motor housing 306, enabling fluid communication between the inside of the motor housing 306 and the motor section exhaust section 305. The handle connecting member 304 is used to connect the motor 3 and the handle 4.

With continued reference to fig. 2-4, the exhaust 5 includes an exhaust housing 504, with the interior of the exhaust housing 504 having a channel 502 extending in a front-to-rear direction. The channel 502 has an outlet 501 at the front of the exhaust housing 504 and an inlet 503 at the rear of the exhaust housing 504. The outlet 501 communicates with the gap 108 of the nozzle portion 1. The inlet 503 is in fluid communication with the motor section exhaust section 305.

The exhaust unit 5, the suction unit 1, and the motor unit 3 may be integrally formed at the same time or may be integrally formed and assembled into a single piece.

Referring to fig. 5-6, solid arrows indicate dirty air flow direction carrying debris and dashed arrows indicate clean air flow direction from which debris has been separated. In the entire vacuum cleaner, the motor section exhaust section 305, the inlet 503, the passage 502, the outlet 501, the gap 108, the vent 106, and the exhaust port 103 are sequentially communicated to form an exhaust path 6 through which the clean air in the motor section 3 is exhausted out of the vacuum cleaner 100. As shown, the outside dirty air sequentially flows through the air inlet channel 202 and the inner channel 203 from the dirty air suction channel 104 along the first direction F1 under the negative pressure of the dirty air inlet 109, and enters the dust collecting chamber 201 for cyclone separation, and the debris separated by the cyclone separation and the debris blocked by the filter housing 2082 of the filter 208 are collected and stored by the dust collecting cup 206. The post-dirty air passes through the mesh 2084 to reach the outflow channel 205, and the filter seat 204 provided at the middle end of the outflow channel 205 further separates out debris carried by the dirty air, thereby obtaining clean air. The clean air from the outflow channel 205 passes through the motor impeller 301, the drive motor 302, the motor housing exhaust 303, and reaches the motor section exhaust section 305. And thereafter sequentially through the inlet 503, the passage 502, the outlet 501 to enter the gap 108. And finally through the vent hole 106 to the exhaust port 103 and out in the second direction F2, thereby creating positive pressure around the dirty air inlet 109.

As shown in fig. 7 and 8, the flow direction of the clean air discharged from the air outlet 103, i.e., the second direction F2, may be a direction of spreading toward the periphery of the negative pressure region on the front side of the dirty air inlet 109, or may converge toward the negative pressure region on the front side of the dirty air inlet 109, and does not necessarily form an angle of 180 ° with the first direction F1. The specific included angle formed by the first direction F1 and the second direction F2 is defined by the structure of the air blowing nozzle 105, and the specific structure of the air blowing nozzle 105 and the specific included angle formed by the first direction F1 and the second direction F2 do not limit the protection scope of the application.

Referring to fig. 9 and 10, a schematic view of a blower 1052 of another configuration of a vacuum cleaner arrangement and a schematic perspective view of the blower 1051052 are provided. The blowing nozzle 1052 is characterized in that the area of an exhaust outlet is enlarged, clean air is discharged through an exhaust port 1054 arranged at the front end part of the blowing nozzle 1052, and a synapse 1053 with an exhaust mesh is additionally arranged at the front end part of the blowing nozzle 1052, so that a certain distance can be kept from the hair root of a pet all the time when a vacuum cleaner is used for sucking dust and removing mites on the skin and hair of the pet, the negative pressure of a dirty air suction channel is effectively relieved to pull the hair root of the pet, the hair of the pet can be combed and the pet can be massaged at the same time, and the nursing efficiency of the hair of the pet and the comfort of the pet by using the vacuum cleaner are improved.

In the above two embodiments, the blower nozzle 105 and the blower nozzle 1052 may be configured to have other suitable dimensions according to practical needs, and only need to be able to connect with the vacuum cleaner, which does not limit the scope of protection of the present application.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the foregoing embodiments, which have been described in the foregoing embodiments and description merely illustrates the principles of the invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, the scope of which is defined in the appended claims, specification and their equivalents.

Claims

1. A vacuum cleaner (100), comprising:

a mouthpiece (1) comprising a dirty air inlet (109);

a motor portion (3), the motor portion (3) being configured for generating a suction force and sucking dirty air together into the dirty air inlet (109);

a dirt cup (2), the dirt cup (2) being in fluid communication with the dirty air inlet (109) and configured to store debris separated from a dirty air stream; and

a blowing nozzle (105) removably disposed at the suction nozzle portion (1), the blowing nozzle (105) being provided with at least one air outlet (103), the at least one air outlet (103) being for discharging clean air from the motor portion (3);

wherein the at least one exhaust port (103) is adjacent to the dirty air inlet (109), the dirty air inlet (109) being configured to direct ambient air to be drawn in a first direction (F1), the at least one exhaust port (103) being configured to direct clean air from the motor section (3) to be blown out in a second direction (F2) opposite the first direction (F1).

2. The vacuum cleaner (100) according to claim 1, wherein the at least one exhaust port (103) protrudes outwards with respect to the dirty air inlet (109) or the at least one exhaust port (103) is flush with the dirty air inlet (109).

3. The vacuum cleaner (100) according to claim 1, wherein the dirty air inlet (109) and the at least one exhaust opening (103) are both located on a front side of the dirt cup portion (2), and the motor portion (3) is located on a rear side of the dirt cup portion (2).

4. A vacuum cleaner (100) according to claim 3, further comprising: a handle portion (4), said handle portion (4) being configured to be held by a user's hand, said handle portion being adjacent to said motor portion (3).

5. The vacuum cleaner (100) of claim 4, wherein the handle portion (4) is configured to receive at least one battery for powering the motor portion (3).

6. The vacuum cleaner (100) of claim 1, further comprising: and an exhaust path (6), wherein the exhaust path (6) communicates the motor part (3) with the at least one exhaust port (103), and at least part of the exhaust path (6) passes through the outside of the dust cup part (2).

7. The vacuum cleaner (100) of claim 6, further comprising an exhaust portion (5) located on one side of the dirt cup portion (2), the exhaust portion (5) including an exhaust housing (504), the dirt cup portion (2) having a portion of an outer wall surface abutting the exhaust housing (504), at least a portion of the exhaust path (6) being defined by the exhaust housing (504).

8. The vacuum cleaner (100) of claim 1, with the at least one exhaust port (103) surrounding a periphery of the dirty air inlet (109).

9. The vacuum cleaner (100) of claim 8, with the at least one exhaust port (103) being configured to blow air outwardly from the cleaning air in the second direction (F2) in a diffuse manner.

10. The vacuum cleaner (100) of claim 8, with the at least one exhaust port (103) being configured to blow air from the cleaning air in the second direction (F2) in an inwardly converging manner.

11. The vacuum cleaner (100) of claim 1, with the at least one exhaust port (103) being annular, the at least one exhaust port (103) and the dirty air inlet (109) being arranged concentrically with respect to each other.