Floor brush with automatically adjustable suction port

Abstract

The utility model relates to a floor brush with a suction port capable of being automatically adjusted, which comprises a shell with a dust suction port formed at the bottom, a rolling brush arranged at the dust suction port, a barrier strip movably connected to the shell and positioned in front of and / or behind the dust suction port, and an elastic piece connected between the barrier strip and the shell, along with the change of the volume of the sucked ground garbage, the barrier strip is synchronously far away from or close to the ground and drives the suction port to become larger or smaller, so that the ground garbage can pass through the suction port; and the elastic piece drives the barrier strip to keep the trend of moving towards the ground. On one hand, the size of the suction port can be automatically adjusted according to the size of garbage in the moving process of the floor brush through the cooperation of the blocking strip and the elastic piece, so that garbage of different sizes and volumes can be conveniently collected, and operation is easy and convenient; on the other hand, the vacuum degree between the ground brush and the ground can be stable, and the dust collection effect and the cleaning efficiency are effectively improved.

Description

Technical Field

[0001] The utility model belongs to the field of floor brushes, and in particular relates to a floor brush with an automatically adjustable suction port. Background Art

[0002] The working principle of a vacuum cleaner is that the vacuum cleaner motor rotates at high speed, sucking in air from the suction port, creating a certain vacuum in the dust box. The dust enters the dust filter bag in the dust box through the floor brush, connecting pipe, handle, hose, and main suction pipe. The dust is retained in the dust filter bag, and the filtered air passes through a layer of filter and enters the motor.

[0003] At present, for example, a Chinese patent with a publication number of CN203802393U discloses a vacuum cleaner floor brush, including a shell consisting of an upper cover and a bottom plate, wherein the bottom plate is provided with a floor brush opening connected to an ash inlet channel, and a cylindrical roller is provided at the front of the floor brush opening along the width direction of the bottom plate, and the cylindrical roller rotates along the axis relative to the floor brush opening.

[0004] However, in order to ensure the vacuum degree between the shell and the ground as much as possible, the existing vacuum cleaner floor brush usually takes the way of narrowing the gap between the shell and the ground to minimize the flow of air between the space between the shell and the ground and the outside world, and opens a suction port at the bottom of the shell for large particles of garbage to pass through.

[0005] However, in actual use, the existing floor brush is provided with a suction port for large particles of garbage to pass through, and the external airflow can easily enter between the shell and the ground through the suction port. As a result, it is inevitably difficult to form a high vacuum degree between the shell and the ground. At the same time, the size of the suction port is fixed. When garbage exceeds the size of the suction port, the garbage can only enter the bottom of the floor brush port by raising the height of the floor brush, which can easily cause the vacuum degree between the shell and the ground to decrease, resulting in poor dust collection effect and low cleaning efficiency of the floor brush. Utility Model Content

[0006] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a new floor brush with an automatically adjustable suction port.

[0007] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0008] A floor brush with an automatically adjustable suction port comprises a shell body with a suction port formed from the bottom, a roller brush arranged at the suction port, and the floor brush further comprises a baffle bar movably connected to the shell body and located in front of and / or behind the suction port, and an elastic member connected between the baffle bar and the shell body, wherein a suction port is formed between the baffle bar and the ground, and as the volume of the sucked ground garbage changes, the baffle bar synchronously moves away from or approaches the ground and drives the suction port to become larger or smaller, so that the ground garbage can pass through the suction port; the elastic member drives the baffle bar to maintain a tendency to move toward the ground.

[0009] According to a specific implementation and preferred aspect of the utility model, the baffle is rotated from the upper side to connect to the front end of the shell, and the lower side and the ground form a suction port. As the volume of garbage increases, the garbage pushes and drives the baffle to turn upward synchronously; as the volume of garbage decreases, the elastic member drives the baffle to turn downward synchronously. Here, the size of the suction port is adjusted by the garbage pushing the baffle to turn, and the structure is simple, reliable, and easy to assemble.

[0010] Preferably, the thickness of the lower side of the baffle is gradually thinned from top to bottom. Here, when garbage passes between the lower side of the baffle and the ground, the probability of the baffle being locked during the upside-down turning is effectively reduced.

[0011] Preferably, the baffle is extended along the axial direction of the roller brush, wherein the length of the baffle is d1, the length of the roller brush is d2, and 0.85 d2≤d1≤d2. Under this layout, it can ensure that the suction port meets the requirements of efficient dust collection, and also ensure that the garbage sucked in by the self-suction port is within the brushing range of the roller brush, avoiding cleaning dead corners.

[0012] Preferably, a guide channel for ground garbage is formed between the blocking bar and the ground, and the guide channel is gradually narrowed from front to back, so as to facilitate the introduction of garbage between the housing and the ground to avoid accumulation.

[0013] According to another specific implementation and preferred aspect of the utility model, a first groove is formed on the baffle, and a second groove is formed on the housing, wherein a cross-shaped positioning module is provided in the first groove and / or the second groove, and both ends of the elastic member are respectively inserted into the first groove and the second groove and sleeved on the corresponding positioning module, and when the suction port becomes larger, the elastic member is in a compressed state; and / or the elastic member is a spring. Here, the structure is simple, and it is easy to install and implement.

[0014] Preferably, there are a plurality of elastic members which are spaced apart and arranged side by side along the length direction of the barrier bar.

[0015] According to another specific implementation and preferred aspect of the utility model, the roller brush includes a roller brush body and a plurality of bristles connected to the roller brush body, wherein the plurality of bristles are divided into a plurality of bristle strip groups, and the plurality of bristle strip groups are spaced apart around the center line of the roller brush body; each bristle strip group includes at least two bristles, and each bristle strip is V-shaped, straight-line or spiral-shaped.

[0016] According to another specific implementation and preferred aspect of the utility model, there are two baffles and they are respectively arranged in front of and behind the dust suction port. When the floor brush moves forward or backward, the suction port located in the front or rear changes synchronously with the size of the garbage on the ground; a resistance mold strip is fixedly provided on the baffle strip located at the rear, wherein a suction port is formed between the resistance mold strip and the ground, and when the suction port is at its smallest, the resistance mold strip is in conflict with the ground.

[0017] In addition, a light module is provided at the front end of the housing, and when sweeping the floor, the light module emits light and forms an illuminated area on the ground in front of the housing, so that the user can observe the garbage on the ground to assist in controlling the sweeping of the floor brush.

[0018] Due to the implementation of the above technical solution, the utility model has the following advantages compared with the prior art:

[0019] The floor brushes of the prior art have the defects of low vacuum between the shell and the ground and single suction port size that cannot be used to clean large particles of garbage during use, resulting in poor dust collection effect and low cleaning efficiency. The present application designs the structure of the floor brush with an automatically adjustable suction port as a whole, which cleverly solves the deficiencies and defects of the prior art. After the floor brush is adopted, it is driven to move on the ground. When the floor brush encounters tiny dust, the tiny dust can directly pass through the suction port without contacting the baffle (that is, the suction port is the initial size); when the floor brush encounters larger garbage, the baffle moves away from or close to the ground synchronously according to the volume of the sucked garbage and drives the suction port to become larger or smaller, so that the garbage on the ground can pass through the suction port smoothly. At the same time, the elastic member drives the baffle to maintain the tendency of moving towards the ground to achieve automatic adjustment of the size of the suction port. Therefore, compared with the prior art, the utility model, on the one hand, can automatically adjust the size of the suction port according to the size of the garbage when the floor brush moves through the cooperation of the baffle and the elastic part, thereby facilitating the collection of garbage of different sizes and being simple and convenient to operate; on the other hand, it can achieve stable vacuum between the floor brush and the ground, effectively improving the dust collection effect and cleaning efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic front view of a floor brush with an automatically adjustable suction port according to Embodiment 1;

[0021] Figure 2 This is a schematic diagram of the structural decomposition of the floor brush of this embodiment 1;

[0022] Figure 3 This is a first cross-sectional schematic diagram of the floor brush of Embodiment 1 (with the suction opening being the smallest);

[0023] Figure 4 This is a second cross-sectional schematic diagram of the floor brush of this embodiment 1 (with the suction opening being the largest);

[0024] Figure 5 This is a schematic diagram of the structural decomposition of the floor brush of this embodiment 2 (partially omitted);

[0025] Figure 6 This is a first cross-sectional schematic diagram of the floor brush of Embodiment 2 (the front and rear suction ports are both the smallest);

[0026] Figure 7This is a second cross-sectional schematic diagram of the floor brush of this embodiment 2 (the front suction port is the smallest and the rear suction port is the largest);

[0027] Figure 8 This is a third cross-sectional schematic diagram of the floor brush of Embodiment 2 (the front suction port is the largest and the rear suction port is the smallest);

[0028] Including: 1. Shell; 10. Lighting module;

[0029] 2. Roller brush; 20. Roller brush body; 21. Wool strip;

[0030] 3. stop bar; 30. resisting mold bar; k. suction port; t. guide channel; s. rotating shaft;

[0031] 4. Elastic member; c1. First groove; c2. Second groove; m. Positioning module. DETAILED DESCRIPTION

[0032] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0033] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0034] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of this application, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0035] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0036] In the present application, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature may be that the first feature is directly above or obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. The first feature "below", "below" and "below" the second feature may be that the first feature is directly below or obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature. It should be noted that when an element is referred to as "fixed to" or "set on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected" to another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method. Example 1

[0037] like Figures 1 to 4 As shown, a floor brush with an automatically adjustable suction port in this embodiment includes a shell 1 with a suction port formed from the bottom, a roller brush 2 arranged at the suction port, a baffle 3 movably connected to the shell 1 and located in front of the suction port, and an elastic member 4 connected between the baffle 3 and the shell 1.

[0038] Specifically, the housing 1 can be any conventional floor brush housing structure, which will not be described in detail here and is clearly implementable.

[0039] In some specific embodiments, a light module 10 is provided at the front end of the housing 1 . When sweeping the floor, the light module 10 emits light and forms an illuminated area on the ground in front of the housing 1 .

[0040] In this example, the roller brush 2 includes a roller brush body 20 and a plurality of bristles 21 connected to the roller brush body 20, wherein the plurality of bristles 21 are divided into a plurality of bristle groups, and the plurality of bristle groups are spaced apart around the center line of the roller brush body 20; each bristle group includes at least two bristles 21, and each bristle 21 is V-shaped, straight-line or spiral-shaped. In this embodiment, the bristle 21 is V-shaped.

[0041] In this example, a suction opening k is formed between the baffle bar 3 and the ground, and as the volume of the sucked ground garbage changes, the baffle bar 3 synchronously moves away from or close to the ground and drives the suction opening k to become larger or smaller, so that the ground garbage can pass through the suction opening k; the elastic member 4 drives the baffle bar 3 to maintain a trend of moving toward the ground.

[0042] Specifically, the baffle 3 is rotatably connected from the upper side through a rotating shaft s extending axially along the roller brush 2 to form a suction port k between the front end, the lower side and the ground of the shell 1. As the volume of garbage increases, the garbage pushes and drives the baffle 3 to flip upward synchronously; as the volume of garbage decreases, the elastic member 4 drives the baffle 3 to flip downward synchronously.

[0043] For the convenience of implementation, the thickness of the lower side of the baffle 3 is gradually thinned from top to bottom; the baffle 3 is extended axially along the roller brush 2, wherein the length of the baffle 3 is d1, the length of the roller brush 2 is d2, 0.85 d2≤d1≤d2, and in this embodiment, d1=0.94d2; a guide channel t for ground garbage is also formed between the baffle 3 and the ground, and the guide channel t is gradually narrowed from front to back, that is, when the suction port k is at the minimum or maximum, the baffle 3 extends up and down at an angle, and when the suction port k is at the minimum, the baffle 3 is in conflict with the front end of the shell 1 to prevent the baffle 3 from continuing to flip downward.

[0044] In this example, there are multiple elastic members 4 of this embodiment, which are spaced apart and arranged side by side along the length direction of the barrier bar 3, wherein each elastic member 4 is a spring.

[0045] Specifically, a first groove c1 is formed on the baffle 3, and a second groove c2 is formed on the shell 1, wherein a cross-shaped positioning module m is provided in the first groove c1 and / or the second groove c2, and the two ends of the elastic member 4 are respectively inserted into the first groove c1 and the second groove c2 and sleeved on the corresponding positioning module m, and when the suction port k becomes larger, the elastic member 4 is in a compressed state.

[0046] In summary, after the floor brush is adopted, it is driven to move on the ground. When the floor brush encounters tiny dust, the tiny dust can directly pass through the suction port (that is, the suction port is of the initial size) without contacting the baffle bar; when the floor brush encounters larger garbage, according to the change in the volume of the sucked garbage, the baffle bar synchronously moves away from or close to the ground and drives the suction port to become larger or smaller, so that the garbage on the ground can pass through the suction port smoothly. At the same time, the elastic part drives the baffle bar to maintain the trend of moving towards the ground, so as to realize automatic adjustment of the size of the suction port. Therefore, compared with the prior art, the utility model, on the one hand, can automatically adjust the size of the suction port according to the size of the garbage during the movement of the floor brush through the cooperation of the baffle and the elastic part, thereby facilitating the collection of garbage of different sizes, and the operation is simple and convenient; on the other hand, it can achieve the stability of the vacuum degree between the floor brush and the ground, effectively improving the dust collection effect and cleaning efficiency; thirdly, the size of the suction port is adjusted by the garbage pushing the baffle to flip, and the structure is simple, reliable, and easy to assemble; fourthly, when the garbage passes between the lower side of the baffle and the ground, the probability of the baffle being locked during the up and down flipping is effectively reduced; fifthly, the layout of the baffle relative to the roller brush of the present application can not only ensure that the suction port meets the needs of efficient dust collection, but also ensure that the garbage sucked into the self-suction port is within the brushing range of the roller brush to avoid cleaning dead corners; sixthly, by setting a guide channel, it is convenient to introduce garbage between the shell and the ground to avoid accumulation; seventhly, by setting a light module, it is convenient for users to observe the garbage on the ground to assist in controlling the sweeping of the floor brush. Example 2

[0047] Combination Figures 5 to 8 As shown, the structure of the floor brush of this embodiment is basically the same as that of embodiment 1, except that:

[0048] In this embodiment, there are two baffles 3 which are respectively arranged in front of and behind the dust suction port. When the floor brush moves forward or backward, the suction port located in the front or rear changes synchronously with the size of the garbage on the ground.

[0049] At the same time, a resisting mold strip 30 is fixedly provided on the bottom surface of the rear baffle bar 3, wherein a suction opening k is formed between the resisting mold strip 30 and the ground, and when the suction opening k is at the minimum, the resisting mold strip 30 resists the ground. In some specific embodiments, the resisting mold strip 30 is made of elastic material.

[0050] The above detailed description of the utility model is intended to enable people familiar with the technology in this field to understand the content of the utility model and implement it. It is not intended to limit the protection scope of the utility model. All equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A floor brush with an automatically adjustable suction port, comprising a shell with a suction port formed from the bottom, and a roller brush arranged at the suction port, characterized in that: The floor brush also includes a baffle bar movably connected to the shell and located in front of and / or behind the suction port, and an elastic member connected between the baffle bar and the shell, wherein a suction port is formed between the baffle bar and the ground, and as the volume of the sucked ground garbage changes, the baffle bar synchronously moves away from or close to the ground and drives the suction port to become larger or smaller, so that the ground garbage can pass through the suction port; the elastic member drives the baffle bar to maintain a trend of moving toward the ground.

2. The floor brush with automatically adjustable suction port according to claim 1, characterized in that: The baffle is rotated from the upper side to be connected to the front end of the shell, the lower side and the ground to form the suction port. As the volume of garbage increases, the garbage pushes and drives the baffle to flip upward synchronously; as the volume of garbage decreases, the elastic member drives the baffle to flip downward synchronously.

3. The floor brush with automatically adjustable suction port according to claim 2, characterized in that: The thickness of the lower side of the blocking strip is gradually reduced from top to bottom.

4. The floor brush with automatically adjustable suction port according to claim 1, characterized in that: The baffle is extended along the axial direction of the roller brush, wherein the length of the baffle is d1, the length of the roller brush is d2, and 0.85 d2≤d1≤d2.

5. The floor brush with automatically adjustable suction port according to claim 1, characterized in that: A guide channel for ground garbage is formed between the baffle bar and the ground, and the guide channel is gradually narrowed from front to back.

6. The floor brush with automatically adjustable suction port according to any one of claims 1 to 5, characterized in that: A first groove is formed on the baffle, and a second groove is formed on the shell, wherein a cross-shaped positioning module is provided in the first groove and / or the second groove, and two ends of the elastic member are respectively inserted into the first groove and the second groove and sleeved on the corresponding positioning module, and when the suction port becomes larger, the elastic member is in a compressed state; and / or the elastic member adopts a spring.

7. The floor brush with automatically adjustable suction port according to claim 6, characterized in that: There are a plurality of elastic members which are spaced apart and arranged side by side along the length direction of the blocking bar.

8. The floor brush with automatically adjustable suction port according to claim 1, characterized in that: The roller brush includes a roller brush body and a plurality of hair strips connected to the roller brush body, wherein the plurality of hair strips are divided into a plurality of hair strip groups, and the plurality of hair strip groups are spaced around the center line of the roller brush body; each hair strip group includes at least two hair strips, and each of the hair strips is V-shaped, straight-line or spiral-shaped.

9. The floor brush with automatically adjustable suction port according to claim 1, characterized in that: There are two baffles and they are respectively arranged in front of and behind the suction port. When the floor brush moves forward or backward, the suction port located in the front or rear changes synchronously with the size of the garbage on the ground. A resistance mold strip is also fixed on the baffle strip located at the rear, wherein the suction port is formed between the resistance mold strip and the ground, and when the suction port is at its smallest, the resistance mold strip resists the ground.

10. The floor brush with automatically adjustable suction port according to claim 1, characterized in that: A light module is arranged at the front end of the shell. When sweeping the floor, the light module emits light and forms an illumination area on the ground in front of the shell.

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