Multi-brush-head combined dust collector

Abstract

The utility model discloses a multi-brush combined dust collector, which comprises a groove type placing base and a storage type dust collection barrel placed in the groove type placing base, the bottom end of the storage type dust collection barrel is fixedly connected with the groove type placing base through an elastic buckle, and a dust collection main machine is arranged at the top end of the storage type dust collection barrel. The dust collector has the beneficial effects that the novel dust collection barrel buffer protection device is additionally arranged outside the groove type placing base, in the process that the dust collector moves to collect dust, the novel dust collection barrel buffer protection device can effectively protect the storage type dust collection barrel against external impact and collision, the strip-shaped elastic protection plate surrounds the outer portion of the storage type dust collection barrel, and the storage type dust collection barrel is prevented from being collided by the strip-shaped elastic protection plate. When external force collision occurs, the strip-shaped elastic protection plate is firstly in contact, the strip-shaped elastic protection plate can absorb and buffer the collision force through elastic deformation of the strip-shaped elastic protection plate, the impact force transmitted to the storage type dust collection barrel is reduced, the risk that the storage type dust collection barrel is damaged is reduced, and therefore the anti-collision protection effect on the dust collection barrel is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of cleaning equipment, especially a multi-brush head combined dust collector. BACKGROUND

[0002] With the continuous improvement of people's living standards, the cleaning requirements of living environment are also getting higher and higher. As an important cleaning tool, the dust collector is widely used in various environments such as family, office and so on. The multi-brush head combined dust collector is favored by consumers because it has multiple dusting brush heads with different shapes and can meet the cleaning needs of different scenes. When using the multi-brush head combined dust collector, it is often necessary to move the storage type dusting bucket while operating the rectangular floor dusting brush head on the ground. The storage type dusting bucket can be flexibly moved on the ground through the moving wheels at the bottom end of the slot type base to facilitate the user to clean at different positions;

[0003] However, in the process of moving, the dust collector is easy to hit the obstacle or wall surface due to operation errors and other factors. Since the storage type dusting bucket is usually made of plastic and other materials, its anti-impact ability is limited. Once the impact occurs, the storage type dusting bucket is easy to deform and damage, which not only affects the normal use of the dust collector, but also may cause the internal dust leakage and secondary pollution. In addition, the damage of the storage type dusting bucket may also increase the maintenance cost and bring unnecessary economic burden to the user;

[0004] Therefore, how to effectively protect the storage type dusting bucket from impact damage in the moving process has become an important problem to be solved in the design of the multi-brush head combined dust collector. INVENTION CONTENTS

[0005] The main purpose of the utility model is to provide a multi-brush head combined dust collector, which aims to solve the problem that the dust collector is easy to hit the obstacle or wall surface due to operation errors and other factors in the moving process. Since the storage type dusting bucket is usually made of plastic and other materials, its anti-impact ability is limited. Once the impact occurs, the storage type dusting bucket is easy to deform and damage.

[0006] In order to solve the above problems, the utility model provides a kind of multi-brush head combination formula dust collector, including groove type and place base and the storage formula dust collecting barrel placed in groove type and place base, the storage formula dust collecting barrel bottom end is fixedly connected with groove type and place base by elastic buckle, the storage formula dust collecting barrel top is provided with dust collecting host, dust collecting host is fixedly connected with storage formula dust collecting barrel by spring buckle, dust collecting host top outer corner is treated with arc passivation, groove type and place base bottom end is equidistantly provided with multiple moving wheels, and moving wheel is close to the bottom edge of groove type and place base, multiple the moving wheel is universal wheel, the circular outer of groove type and place base and storage formula dust collecting barrel is provided with dust collecting barrel buffer protection device.

[0007] In an embodiment, the dust collecting barrel buffer protection device includes an annular fixing sleeve, a metal fixing bottom block, and a strip-shaped elastic protection plate. The annular fixing sleeve is sleeved on the circular outer of the groove type and place base. The annular fixing sleeve is fixedly connected with the groove type and place base by a plurality of embedded screws. The annular fixing sleeve is equidistantly provided with a plurality of metal fixing bottom blocks on the circular outer wall. The annular fixing sleeve and the plurality of metal fixing bottom blocks are fixedly connected by welding. The top end of each of the plurality of metal fixing bottom blocks is welded with a strip-shaped elastic protection plate.

[0008] In an embodiment, the top left and right ends of each of the plurality of strip-shaped elastic protection plates are treated with arc passivation. The plurality of strip-shaped elastic protection plates are circularly arranged around the outside of the storage formula dust collecting barrel. The inner wall of the strip-shaped elastic protection plate does not contact the outer wall of the storage formula dust collecting barrel.

[0009] In an embodiment, the dust collecting barrel buffer protection device further includes a metal arc-shaped buffer piece and a cylindrical sliding head. The inner wall of each of the plurality of strip-shaped elastic protection plates is provided with a metal arc-shaped buffer piece. The bottom end of each of the plurality of metal arc-shaped buffer pieces is provided with a cylindrical sliding head. The outer wall of the metal arc-shaped buffer piece and the cylindrical sliding head is smooth without burrs.

[0010] In an embodiment, the top end of the metal arc-shaped buffer piece is fixedly connected with the inner wall of the strip-shaped elastic protection plate by welding. The top end of the metal arc-shaped buffer piece is close to the top end of the strip-shaped elastic protection plate. The cylindrical sliding head is located below the center of the strip-shaped elastic protection plate.

[0011] In an embodiment, the outer wall of the cylindrical sliding head is in contact with the inner wall of the strip-shaped elastic protection plate. The arc-shaped arching direction of the metal arc-shaped buffer piece is towards the outer wall of the storage formula dust collecting barrel. The outer wall of the extreme point position of the arc-shaped arching of the metal arc-shaped buffer piece is in contact with the outer wall of the storage formula dust collecting barrel.

[0012] In an embodiment, the right end of the dust collection joint is connected with a dust collection conveying bellows, and the other end of the dust collection conveying bellows is directed leftward.

[0013] In an embodiment, the hollow arc-shaped handheld bend is in communication with the inside of the dust collection conveying bellows, the left end of the hollow arc-shaped handheld bend is obliquely downward, and the left end of the hollow arc-shaped handheld bend is connected with a metal hollow dust collection rod.

[0014] In an embodiment, the left end of the metal hollow dust collection rod is externally sleeved with an arc-shaped butt joint fixing cylinder, the metal hollow dust collection rod and the arc-shaped butt joint fixing cylinder are fixedly connected through a spring buckle, the bottom left end of the arc-shaped butt joint fixing cylinder is connected with a dust collection brush head, the metal hollow dust collection rod can be connected with dust collection brush heads of different shapes through the arc-shaped butt joint fixing cylinder, and the dust collection brush head is mainly composed of a rectangular floor dust collection brush head, a circular floor dust collection brush head and a rectangular wall surface dust collection brush head.

[0015] In an embodiment, the top end of the dust collection main machine is externally provided with a portable handle, the front side of the top end of the dust collection main machine is internally provided with a controller, the dust collection main machine is electrically connected with an external power supply through an electric wire, and a plurality of air outlet strip holes are equidistantly arranged in the inside of the front and rear ends of the dust collection main machine.

[0016] Beneficial effects: the technical scheme of the utility model increases the novel dust collection barrel buffer protection device outside the groove type placing base, and the main protection part of the dust collection barrel buffer protection device is protected outside the storage type dust collection barrel, so that when the rectangular floor dust collection brush head is operated to collect dust on the ground while the storage type dust collection barrel is moved, the storage type dust collection barrel can be flexibly moved on the ground through the moving wheels at the bottom end of the groove type placing base, and the novel dust collection barrel buffer protection device can effectively protect the storage type dust collection barrel from external impact and collision, the strip-shaped elastic protection plate is surrounded outside the storage type dust collection barrel, when external force impacts, the strip-shaped elastic protection plate can absorb and buffer the impact force through the elastic deformation of itself, the impact force transmitted to the storage type dust collection barrel is reduced, the risk of damage of the storage type dust collection barrel is reduced, the metal arc-shaped buffer piece further enhances the buffering effect, the arc-shaped arch direction of the metal arc-shaped buffer piece is directed to the outer wall of the storage type dust collection barrel, when impacted, the metal arc-shaped buffer piece can disperse the impact force through the deformation of itself, meanwhile, the outer wall at the extreme position of the arc-shaped arch is in contact with the outer wall of the storage type dust collection barrel, the local impact force can be more accurately dispersed to a larger area, so that the storage type dust collection barrel is better protected. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or prior art description. Obviously, the drawings described below are only some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0018] Figure 1 is a side view of a multi-brush head combined dust collector according to the present application;

[0019] Figure 2 is a side view of a multi-brush head combined dust collector according to the present application;

[0020] Figure 3 is a side view of a multi-brush head combined dust collector according to the present application;

[0021] Figure 4 is a side view of a multi-brush head combined dust collector according to the present application;

[0022] Figure 5 is a side view of a multi-brush head combined dust collector according to the present application;

[0023] Figure 6 is a side view of a multi-brush head combined dust collector according to the present application.

[0024] The following is the explanation of the reference signs:

[0025] 1, mobile wheel; 2, dust bucket buffer protection device; 3, groove type placing base; 4, dust suction connector; 5, storage type dust bucket; 6, dust suction main machine; 7, portable handle; 8, controller; 9, dust suction conveying corrugated pipe; 10, hollow arc-shaped handheld elbow; 11, metal hollow dust suction rod; 12, arc-shaped butt joint fixing cylinder; 13, rectangular cuboid floor dust suction brush head; 14, annular fixing sleeve; 15, metal fixing bottom block; 16, strip-shaped elastic protection plate; 17, metal arc-shaped buffer sheet; 18, cylindrical sliding head; 19, circular floor dust suction brush head; 20, rectangular cuboid wall surface dust suction brush head. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, and not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0027] It should be noted that if the embodiment of the utility model has directionality indication (such as up, down, left, right, front, back, etc.), the directionality indication is only used to explain the relative position relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), if the specific posture changes, the directionality indication also changes accordingly.

[0028] In the utility model, unless otherwise expressly specified and limited, the terms "connection", "fixation" and the like should be understood broadly, for example, "fixation" can be fixed connection, or detachable connection, or integrated; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through intermediate medium, can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise expressly limited. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0029] In addition, if the embodiment of the utility model has the description of "first", "second" and the like, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include at least one feature. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes, for example, "A and / or B" includes A scheme, or B scheme, or A and B simultaneously satisfy the scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on that ordinary skilled persons in the art can realize, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0030] The utility model provides a kind of multi-brush head combination type dust collector as Figures 1-6 As shown in the drawing, it includes groove type placing base 3 and storage type dust collecting bucket 5 placed in groove type placing base 3, storage type dust collecting bucket 5 bottom end is fixedly connected with groove type placing base 3 by elastic buckle, and storage type dust collecting bucket 5 top end is provided with dust collecting host 6, dust collecting host 6 is fixedly connected with storage type dust collecting bucket 5 by spring buckle, and the outer corner of dust collecting host 6 top end is treated with arc passivation, which can prevent injury to the user during use and handling, and groove type placing base 3 bottom end is provided with multiple moving wheels 1 at equal intervals, and moving wheels 1 are close to the bottom edge of groove type placing base 3, and multiple moving wheels 1 are all universal wheels, so that the entire dust collector can be flexibly moved on various ground, and the user can conveniently perform dust collection operation at different positions.

[0031] As shown in the drawing, it includes groove type placing base 3 and storage type dust collecting bucket 5 placed in groove type placing base 3, storage type dust collecting bucket 5 bottom end is fixedly connected with groove type placing base 3 by elastic buckle, and storage type dust collecting bucket 5 top end is provided with dust collecting host 6, dust collecting host 6 is fixedly connected with storage type dust collecting bucket 5 by spring buckle, and the outer corner of dust collecting host 6 top end is treated with arc passivation, which can prevent injury to the user during use and handling, and groove type placing base 3 bottom end is provided with multiple moving wheels 1 at equal intervals, and moving wheels 1 are close to the bottom edge of groove type placing base 3, and multiple moving wheels 1 are all universal wheels, so that the entire dust collector can be flexibly moved on various ground, and the user can conveniently perform dust collection operation at different positions. Figure 1 ,Figure 2 , Figure 5 and Figure 6 As shown, a vacuum connector 4 is located at the center of the right end of the storage vacuum bin 5. A vacuum conveying corrugated pipe 9 is connected to the right end of the vacuum connector 4. The other end of the vacuum conveying corrugated pipe 9 faces left and is connected to a hollow arc-shaped hand-held elbow 10. The hollow arc-shaped hand-held elbow 10 is internally connected to the vacuum conveying corrugated pipe 9. The left end of the hollow arc-shaped hand-held elbow 10 has an opening that slopes downwards. A hollow metal vacuum rod 11 is connected to the left end of the hollow arc-shaped hand-held elbow 10. The hollow metal vacuum rod 11 is internally connected to the hollow arc-shaped hand-held elbow 10. An arc-shaped connecting fixing cylinder 12 is sleeved on the outer left end of the hollow metal vacuum rod 11. The hollow metal vacuum rod 11 and... The curved connecting and fixing cylinders 12 are fixedly connected by spring clips. The bottom left end of the curved connecting and fixing cylinder 12 is connected to a vacuum brush head. The metal hollow vacuum rod 11 can be connected to vacuum brush heads of different shapes and functions through the curved connecting and fixing cylinders 12. The vacuum brush head is mainly composed of a rectangular floor vacuum brush head 13, a round floor vacuum brush head 19, and a rectangular wall vacuum brush head 20. This design allows the metal hollow vacuum rod 11 to be easily connected to vacuum brush heads of different shapes and functions. Different vacuum brush heads can be replaced according to different vacuuming needs, such as small brush heads for corners and soft brush heads for furniture surfaces, thus expanding the application range of the vacuum cleaner.

[0032] like Figure 1 , Figure 2 , Figure 5 and Figure 6 As shown, a portable handle 7 is located at the center of the outer wall of the top of the vacuum cleaner main unit 6. When it is necessary to move the vacuum cleaner or place it in different locations, the user can easily lift the vacuum cleaner using the portable handle 7, improving its portability and ease of use. A controller 8 is located inside the front side of the top center of the vacuum cleaner main unit 6. The vacuum cleaner main unit 6 is electrically connected to an external power source via a power cord. Multiple air vents are equidistantly arranged inside both the front and rear ends of the vacuum cleaner main unit 6. During vacuuming, air is drawn in and filtered and processed by the vacuum cleaner main unit 6. Clean air is then discharged from the air vents, ensuring airflow inside the vacuum cleaner and maintaining the normal operating pressure of the vacuum cleaner main unit 6. The machine 6 is controlled by the controller 8 to generate suction. The suction connector 4 at the center of the right end of the storage dustbin 5 is connected to the suction conveying corrugated pipe 9. The other end of the suction conveying corrugated pipe 9 is connected to the hollow arc-shaped handheld elbow 10. The left end of the hollow arc-shaped handheld elbow 10 is inclined downward and connected to the metal hollow suction rod 11. When the vacuum cleaner is working, air and dust enter from the cuboid floor suction brush head 13. The cuboid floor suction brush head 13 with the suction direction downward can effectively suck up dust and debris on the ground. The dust and air pass through the metal hollow suction rod 11, the hollow arc-shaped handheld elbow 10, and the suction conveying corrugated pipe 9 in sequence, and finally enter the storage dustbin 5 for storage.

[0033] As shown in Figure 1 , Figure 3 and Figure 4 , the groove type placing base 3 and the circular outer part of the storage type dust collecting barrel 5 are provided with a dust collecting barrel buffer protection device 2, which comprises an annular fixing sleeve 14, a metal fixing bottom block 15 and a strip-shaped elastic protection plate 16. The annular fixing sleeve 14 is sleeved on the circular outer part of the groove type placing base 3 and is fixedly connected with the groove type placing base 3 through a plurality of embedded screws. The annular fixing sleeve 14 is provided with a plurality of metal fixing bottom blocks 15 at equal intervals on the outer wall thereof, and is fixedly connected with the metal fixing bottom blocks 15 through welding. The top end of each metal fixing bottom block 15 is welded with a strip-shaped elastic protection plate 16. The top left and right ends of each strip-shaped elastic protection plate 16 are arc-shaped and are passivated. The strip-shaped elastic protection plates 16 are arranged around the outer part of the storage type dust collecting barrel 5 in a circular angle, and the inner wall of the strip-shaped elastic protection plates 16 does not contact the outer wall of the storage type dust collecting barrel 5. When the dust collector is moved or is impacted from the outside, the strip-shaped elastic protection plates 16 can first bear the impact force. Since they are elastic, they can absorb and buffer the impact energy through their deformation, thereby reducing the impact force transmitted to the storage type dust collecting barrel 5 and protecting the dust collecting barrel. The top left and right ends of each strip-shaped elastic protection plate 16 are arc-shaped and are passivated, so as to avoid causing harm to the user or the surrounding environment during use. The dust collecting barrel buffer protection device 2 further comprises a metal arc-shaped buffer piece 17 and a cylindrical sliding head 18. The inner wall of each strip-shaped elastic protection plate 16 is provided with a metal arc-shaped buffer piece 17, and the bottom end of each metal arc-shaped buffer piece 17 is provided with a cylindrical sliding head 18. The outer wall of each metal arc-shaped buffer piece 17 and cylindrical sliding head 18 is smooth and free of burrs. When impacted, the arc-shaped structure can disperse the impact force and reduce the local stress intensity.

[0034] As shown in Figure 1 , Figure 3 and Figure 4As shown, the dust bucket buffer protection device 2 is mainly composed of an annular fixing sleeve 14, a metal fixing bottom block 15, a strip-shaped elastic protection plate 16, a metal arc-shaped buffer piece 17 and a cylindrical sliding head 18, the annular fixing sleeve 14 is sleeved on the circular outer part of the groove type placing base 3, is fixedly connected with the groove type placing base 3 through a plurality of embedded screws, and the installation stability of the entire protection device is ensured, a plurality of metal fixing bottom blocks 15 are equidistantly arranged on the circular outer wall of the annular fixing sleeve 14 and are fixedly connected through welding, and the strip-shaped elastic protection plate 16 is provided with firm support, a plurality of metal fixing bottom blocks 15 are welded with the strip-shaped elastic protection plate 16 at the top, forming a protective structure around the external storage type dust bucket 5, the metal arc-shaped buffer piece 17 is fixedly connected with the inner wall of the strip-shaped elastic protection plate 16 at the top through welding, and the top of the metal arc-shaped buffer piece 17 is close to the top of the strip-shaped elastic protection plate 16, the cylindrical sliding head 18 is located at the lower side of the center of the strip-shaped elastic protection plate 16, the outer wall of the cylindrical sliding head 18 is in contact with the inner wall of the strip-shaped elastic protection plate 16, the arc-shaped arch direction of the metal arc-shaped buffer piece 17 faces the outer wall of the storage type dust bucket 5, and the outer wall of the arc-shaped arch extreme point position of the metal arc-shaped buffer piece 17 is in contact with the outer wall of the storage type dust bucket 5, the outer wall of the arc-shaped arch extreme point position of the metal arc-shaped buffer piece 17 is in contact with the outer wall of the storage type dust bucket 5, so that the impact force can be more accurately dispersed to a larger area, further protecting the dust bucket from damage, the cylindrical sliding head 18 provided at the bottom of the metal arc-shaped buffer piece 17 is in contact with the inner wall of the strip-shaped elastic protection plate 16, when impacted, the cylindrical sliding head 18 can slide on the inner wall of the strip-shaped elastic protection plate 16, so that the metal arc-shaped buffer piece 17 can more flexibly adjust the position and angle to better adapt to the impact force in different directions, improve the buffering effect, at the same time, the outer walls of the metal arc-shaped buffer piece 17 and the cylindrical sliding head 18 are smooth without burrs, ensuring the smoothness of sliding, reducing friction and wear.

[0035] The above only describes preferred embodiments of the present application, and does not limit the patent range of the present application, and any equivalent structural transformation made by utilizing the content of the present application specification and drawings, or direct / indirect application in other related technical fields is included in the patent protection range of the present application.

Claims

1. A multi-brush head combination vacuum cleaner, comprising a slotted base (3) and a storage dustbin (5) placed in the slotted base (3), wherein the bottom end of the storage dustbin (5) is fixedly connected to the slotted base (3) by an elastic buckle, and a vacuum cleaner main unit (6) is provided at the top of the storage dustbin (5), wherein the vacuum cleaner main unit (6) is fixedly connected to the storage dustbin (5) by a spring buckle, and the outer corner of the top of the vacuum cleaner main unit (6) is rounded and blunted, characterized in that, The bottom of the trough-type mounting base (3) is provided with multiple movable wheels (1) at equal intervals, and the movable wheels (1) are close to the bottom edge of the trough-type mounting base (3). All of the movable wheels (1) are universal wheels. The trough-type mounting base (3) and the circular exterior of the storage vacuum bucket (5) are provided with a vacuum bucket buffer protection device (2).

2. The multi-brush head combination vacuum cleaner as described in claim 1, characterized in that, The vacuum cleaner buffer protection device (2) includes an annular fixing sleeve (14), a metal fixing base (15), and a strip-shaped elastic protective plate (16). The annular fixing sleeve (14) is fitted onto the outer circle of the slotted mounting base (3). The annular fixing sleeve (14) is fixedly connected to the slotted mounting base (3) by multiple embedded screws. Multiple metal fixing bases (15) are equidistantly arranged on the outer circle of the annular fixing sleeve (14). The annular fixing sleeve (14) and the multiple metal fixing bases (15) are fixedly connected by welding. The top of each of the multiple metal fixing bases (15) is welded with a strip-shaped elastic protective plate (16).

3. A multi-brush head combination vacuum cleaner as described in claim 2, characterized in that, The top left and right corners of the multiple strip-shaped elastic protective plates (16) are all treated with arc-shaped blunting. The multiple strip-shaped elastic protective plates (16) surround the outside of the storage-type dust collection bin (5) at a circular angle, and the inner wall of the strip-shaped elastic protective plates (16) does not contact the outer wall of the storage-type dust collection bin (5).

4. A multi-brush head combination vacuum cleaner as described in claim 3, characterized in that, The vacuum cleaner buffer protection device (2) also includes a metal arc-shaped buffer plate (17) and a cylindrical sliding head (18). The inner walls of the multiple strip-shaped elastic protective plates (16) are provided with metal arc-shaped buffer plates (17), and the bottom ends of the multiple metal arc-shaped buffer plates (17) are provided with cylindrical sliding heads (18). The outer walls of the metal arc-shaped buffer plates (17) and the cylindrical sliding heads (18) are smooth and burr-free.

5. A multi-brush head combination vacuum cleaner as described in claim 4, characterized in that, The top of the metal arc-shaped buffer plate (17) is fixedly connected to the inner wall of the strip elastic protective plate (16) by welding, and the top of the metal arc-shaped buffer plate (17) is close to the top of the strip elastic protective plate (16). The cylindrical sliding head (18) is located on the lower side of the center of the strip elastic protective plate (16).

6. A multi-brush head combination vacuum cleaner as described in claim 5, characterized in that, The outer wall of the cylindrical sliding head (18) is in contact with the inner wall of the strip elastic protective plate (16), the arc-shaped bulge of the metal arc-shaped buffer plate (17) faces the outer wall of the storage dust collection bin (5), and the outer wall of the extreme point of the arc-shaped bulge of the metal arc-shaped buffer plate (17) is in contact with the outer wall of the storage dust collection bin (5).

7. A multi-brush head combination vacuum cleaner as described in claim 1, characterized in that, The storage-type dust collection bin (5) is provided with a dust collection connector (4) at the center of the right end. The right end of the dust collection connector (4) is connected to a dust collection conveying corrugated pipe (9). The other end of the dust collection conveying corrugated pipe (9) faces to the left. The other end of the dust collection conveying corrugated pipe (9) is connected to a hollow arc-shaped hand-held elbow (10).

8. A multi-brush head combination vacuum cleaner as described in claim 7, characterized in that, The hollow arc-shaped handheld elbow (10) is internally connected to the vacuum conveying corrugated pipe (9). The left end of the hollow arc-shaped handheld elbow (10) is inclined downward. The left end of the hollow arc-shaped handheld elbow (10) is connected to a metal hollow vacuum rod (11). The metal hollow vacuum rod (11) is internally connected to the hollow arc-shaped handheld elbow (10).

9. A multi-brush head combination vacuum cleaner as described in claim 8, characterized in that, The hollow metal vacuum cleaner rod (11) has an arc-shaped docking fixing cylinder (12) sleeved on the left side. The hollow metal vacuum cleaner rod (11) and the arc-shaped docking fixing cylinder (12) are fixedly connected by a spring buckle. The bottom left end of the arc-shaped docking fixing cylinder (12) is connected to a vacuum brush head. The hollow metal vacuum cleaner rod (11) can be connected to vacuum brush heads of different shapes and functions through the arc-shaped docking fixing cylinder (12). The vacuum brush head is mainly composed of a cuboid floor vacuum brush head (13), a circular floor vacuum brush head (19), and a cuboid wall vacuum brush head (20).

10. A multi-brush head combination vacuum cleaner as described in claim 1, characterized in that, A portable handle (7) is provided at the center of the outer wall of the top of the vacuum cleaner (6). A controller (8) is provided inside the front side of the center of the top of the vacuum cleaner (6). The vacuum cleaner (6) is electrically connected to an external power source through a wire. Multiple air outlet holes are provided at equal intervals inside both the front and rear ends of the vacuum cleaner (6).

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