Vacuum cleaner

Abstract

This application provides a vacuum cleaner, belonging to the field of vacuum cleaner technology. The vacuum cleaner includes: a machine body and an air nozzle; the machine body has an air outlet, at least a portion of the air nozzle is located within the air outlet, and the outer circumferential wall of the air nozzle is in contact with the inner circumferential wall of the air outlet; at least one limiting groove is provided on the outer circumferential wall of the air nozzle; at least one elastic positioning component is provided on the inner circumferential wall of the air outlet, and the at least one elastic positioning component is elastically extendable toward the air nozzle; when at least a portion of the at least one elastic positioning component is engaged in the at least one limiting groove, the air nozzle is connected to the machine body. In this vacuum cleaner, the elastic positioning component can achieve locking by its own elasticity, requiring only a simple insertion and removal operation, making operation simple and facilitating the connection and disassembly of the air nozzle from the machine body.

Description

Technical Field

[0001] This application relates to the field of vacuum cleaner technology, and in particular to a vacuum cleaner. Background Technology

[0002] As people pay more and more attention to hygiene management in their homes, offices, and cars, portable vacuum cleaners, as small vacuum cleaners that can be used in both homes and cars, meet people's vacuuming needs in situations where it is inconvenient to clean and dust in narrow crevices, desktops, keyboards, and other places. They support wireless use and are suitable for small spaces or light vacuuming applications, so they are becoming increasingly popular among users.

[0003] Vacuum cleaners are typically equipped with different types of nozzles, brushes, and air nozzles (or blow nozzles) to meet the cleaning needs of different surfaces. The air nozzle is installed at the air outlet at the rear of the vacuum cleaner and uses a high-speed, high-pressure airflow generated by a high-speed motor inside the machine to achieve the blowing function.

[0004] In related technologies, air nozzles are usually connected by threads, which makes connecting and disassembling the air nozzles inconvenient. Utility Model Content

[0005] This application provides a vacuum cleaner that solves the problem of inconvenient connection and disassembly of the vacuum cleaner nozzle.

[0006] The technical solution is as follows:

[0007] A vacuum cleaner, the vacuum cleaner comprising: a machine body and an air nozzle;

[0008] The machine body has an air outlet, at least a portion of the air nozzle is located inside the air outlet, and the circumferential outer wall of the air nozzle is in contact with the circumferential inner wall of the air outlet.

[0009] At least one limiting groove is provided on the circumferential outer wall of the air nozzle;

[0010] At least one elastic positioning component is provided on the circumferential inner wall of the air outlet, and the at least one elastic positioning component can elastically extend and retract toward the air nozzle.

[0011] When at least a portion of the at least one elastic positioning component is engaged in the at least one limiting groove, the air nozzle is connected to the machine body.

[0012] In this embodiment of the vacuum cleaner, the outer circumferential wall of the nozzle is provided with a limiting groove, and the inner circumferential wall of the air outlet of the machine body is provided with an elastic positioning component. When the nozzle is inserted into the air outlet, at least a part of the elastic positioning component can be locked into the limiting groove to realize the connection between the nozzle and the machine body. The elastic positioning component can be locked by its own elasticity. It only requires a simple insertion and removal operation, which is simple to operate and convenient to connect and disassemble the nozzle and the machine body.

[0013] In some possible implementations, the inner wall of the air outlet is provided with at least one mounting groove, and each of the elastic positioning components is located in one of the mounting grooves;

[0014] Each of the aforementioned elastic positioning components includes an elastic element and a ball element;

[0015] The elastic element is located in the corresponding mounting groove, the ball bearing is rolled at the end of the elastic element facing the air nozzle, and at least a portion of the ball bearing can protrude outside the corresponding mounting groove.

[0016] With the above arrangement, since the ball bearings have the characteristic of being able to roll, when the air nozzle is connected or disassembled, the ball bearings can roll relative to the circumferential outer wall of the air nozzle. There is rolling friction between the ball bearings and the outer wall of the air nozzle, and the wear between the two can be basically ignored, thus the air nozzle and the elastic positioning component have a longer service life.

[0017] In some possible implementations, the elastic positioning assembly further includes a sleeve, with the elastic element and the ball bearing respectively located inside the sleeve, and the outer wall of the sleeve connected to the inner wall of the mounting groove.

[0018] With the above arrangement, the elastic components and ball bearings can be integrated into the sleeve, and the elastic positioning components are integrated into one part. The integration is high, and they can be assembled together, which improves production assembly efficiency and reduces production difficulty.

[0019] In some possible implementations, the outer wall of the sleeve is provided with a first threaded structure, and the inner wall of the mounting groove is provided with a second threaded structure, wherein the first threaded structure and the second threaded structure are connected to each other.

[0020] With the above arrangement, the elastic positioning component can be connected by the first threaded structure of the sleeve and the second threaded structure of the mounting groove, achieving the positioning and installation of the elastic positioning component. Assembly is simple and the connection is highly reliable. Furthermore, the first and second threaded structures provide axial positioning support for the elastic positioning component, ensuring good support reliability.

[0021] In some possible implementations, the machine body includes a first housing, the first housing including a cylindrical structure that surrounds the air outlet;

[0022] The at least one mounting slot is located on the side wall of the cylindrical structure, and the end of the at least one mounting slot facing away from the air nozzle extends through to the outer surface of the side wall of the cylindrical structure, so that the elastic positioning component can be inserted into the corresponding mounting slot from the outer surface of the side wall of the cylindrical structure.

[0023] With the above arrangement, the elastic positioning component can be installed from the outside of the cylindrical structure of the first housing. The operation is simple, and the elastic force of the elastic positioning component can be adjusted by adjusting the insertion length of the elastic positioning component in the mounting groove, adjusting the size of the ball bearing protruding into the air outlet.

[0024] In some possible implementations, at least one boss structure is provided on the circumferential outer wall of the air nozzle, and the at least one limiting groove is located on the surface of the boss structure away from the air nozzle.

[0025] The air outlet has a limiting groove on its circumferential inner wall. The limiting groove extends circumferentially along the air outlet. At least one elastic positioning component is located at one end of the limiting groove. The other end of the limiting groove has an inlet / outlet notch that extends through to the end face of the air outlet. At least one boss structure can enter the limiting groove through the inlet / outlet notch and move along the limiting groove so that the at least one limiting groove engages with the at least one elastic positioning component.

[0026] With the above arrangement, the boss structure can be inserted into the limiting slide groove through the inlet and outlet notch and move within the limiting slide groove, so that the limiting groove is aligned and engaged with the elastic positioning component. The boss structure can realize the positioning of the nozzle and the air outlet along the air outlet direction, improve the connection stability between the nozzle and the air outlet, prevent the nozzle from shaking, and affect the user experience of the vacuum cleaner.

[0027] In some possible implementations, the edge of the at least one boss structure is provided with a guide ramp, which is used to press and guide the at least one elastic positioning component.

[0028] With the above arrangement, when the boss structure comes into contact with the elastic positioning component, the guide slope can guide the ball component, and the ball component can be gradually pressed under the action of the guide slope, so that the locking resistance between the limiting groove and the elastic positioning component is smaller, which is conducive to further reducing the connection difficulty of the air nozzle.

[0029] In some possible implementations, the dimension of the at least one boss structure along the air outlet direction is the same as the dimension of the limiting groove along the air outlet direction.

[0030] And / or,

[0031] The height at which the at least one boss structure protrudes outward along the circumferential outer wall of the air nozzle is the same as the depth to which the limiting groove is recessed inward along the circumferential inner wall of the air outlet.

[0032] With the above arrangement, the dimensions of the boss structure along the air outlet direction are the same as the dimensions of the limiting slide groove. After the air nozzle is inserted, the position of the boss structure along the air outlet direction can be limited and supported by the limiting slide groove, preventing the air nozzle from moving up and down in the air outlet direction. The circumferential outer wall of the boss structure abuts against the bottom wall of the limiting slide groove. After the air nozzle is inserted, the radial position of the boss structure can be limited and supported by the limiting slide groove, preventing the air nozzle from moving radially.

[0033] In some possible implementations, there are two limiting grooves and two elastic positioning components. The two limiting grooves are arranged at intervals on the circumferential outer wall of the air nozzle, and the two elastic positioning components are arranged at intervals on the circumferential inner wall of the air outlet. Each limiting groove corresponds to one elastic positioning component.

[0034] With the above arrangement, the air nozzle can be reliably connected to the machine body using two limiting grooves and two elastic positioning components.

[0035] In some possible implementations, the two limiting grooves are spaced 180 degrees apart, and the two elastic positioning components are spaced 180 degrees apart. When the limiting grooves and elastic positioning components are arranged 180 degrees apart, a balanced connection support can be provided for the air nozzle, resulting in better connection reliability of the air nozzle. Attached Figure Description

[0036] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0037] Figure 1 This is a partial structural schematic diagram of the vacuum cleaner provided in the embodiments of this application;

[0038] Figure 2 This is a partial structural cross-sectional view of the vacuum cleaner provided in the embodiments of this application;

[0039] Figure 3 This is a structural cross-sectional view of the first housing in the machine body provided in the embodiments of this application;

[0040] Figure 4 This is a schematic diagram showing the connection between the elastic positioning component and the groove provided in the embodiments of this application;

[0041] Figure 5 This is a schematic diagram showing the connection between the elastic positioning component and the groove provided in another embodiment of this application;

[0042] Figure 6This is another structural cross-sectional view of the first housing in the machine body provided in the embodiments of this application;

[0043] Figure 7 This is a partial structural schematic diagram of the air nozzle provided in an embodiment of this application;

[0044] Figure 8 This is a structural cross-sectional view of a vacuum cleaner provided in another embodiment of this application.

[0045] The reference numerals in the figure are respectively:

[0046] 1. Machine body;

[0047] 10a. Air outlet;

[0048] 11. Elastic positioning assembly; 111. Elastic element; 112. Ball bearing; 113. Sleeve; 1131. First threaded structure; 12. Mounting groove; 121. Second threaded structure; 13. First housing; 131. Cylindrical structure; 132. End cap structure; 14. Limiting groove; 15. Inlet / outlet notch;

[0049] 2. Air valve;

[0050] 21. Limiting groove; 22. Boss structure; 221. Guide slope. Detailed Implementation

[0051] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this application as detailed in the appended claims.

[0052] In the description of this application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the appendix. Figure 1 The orientations or positional relationships shown are for the purpose of facilitating and simplifying the description of this application, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0053] It should be understood that in this application, "connection" and "connected" can both refer to a mechanical connection or a physical connection. That is, A and B being connected or A and B being connected can mean that there are fastened components (such as screws, bolts, rivets, etc.) between A and B, or that A and B are in contact with each other and A and B are difficult to separate.

[0054] Unless otherwise defined, all technical terms used in the embodiments of this application have the same meaning as commonly understood by one of ordinary skill in the art.

[0055] To make the objectives, technical solutions, and advantages of this application clearer, the embodiments of this application will be described in further detail below with reference to the accompanying drawings.

[0056] Combination Figure 1 and Figure 2 As shown, this application embodiment provides a vacuum cleaner, which includes: a machine body 1 and an air nozzle 2; the machine body 1 has an air outlet 10a, at least a portion of the air nozzle 2 is located inside the air outlet 10a, and the circumferential outer wall of the air nozzle 2 is in contact with the circumferential inner wall of the air outlet 10a.

[0057] At least one limiting groove 21 is provided on the circumferential outer wall of the air nozzle 2. At least one elastic positioning component 11 is provided on the circumferential inner wall of the air outlet 10a, and the at least one elastic positioning component 11 is capable of elastically extending and retracting toward the air nozzle 2. When at least a portion of the at least one elastic positioning component 11 is engaged in the at least one limiting groove 21, the air nozzle 2 is interconnected with the machine body 1.

[0058] In this embodiment of the vacuum cleaner, the outer circumferential wall of the nozzle 2 is provided with a limiting groove 21, and the inner circumferential wall of the air outlet 10a of the machine body 1 is provided with an elastic positioning component 11. When the nozzle 2 is inserted into the air outlet 10a, at least a part of the elastic positioning component 11 can be locked into the limiting groove 21 to realize the connection between the nozzle 2 and the machine body 1. The elastic positioning component 11 can be locked by its own elasticity, which only requires a simple insertion and removal operation. The operation is simple, and the connection and disassembly of the nozzle 2 and the machine body 1 are convenient.

[0059] In some possible implementations, the air outlet 10a is circular in shape, and the nozzle 2 is conical in shape. The end of the nozzle 2 connected to the air outlet 10a has a larger inner diameter, while the end facing away from the air outlet 10a has a smaller inner diameter. The airflow blowing out from the air outlet 10a is affected by the continuity equation and Bernoulli effect within the nozzle 2, resulting in a higher flow rate and giving the vacuum cleaner better cleaning ability.

[0060] Among some possible implementation schemes, refer to Figure 1 and Figure 8As shown, the air outlet 10a is located at one end of the machine body 1, and the other end of the machine body 1 also has an air inlet 10b. The machine body 1 is also equipped with a dust collection structure.

[0061] In some possible implementations, the vacuum cleaner includes a suction cleaning mode and a blower cleaning mode.

[0062] In the above-mentioned suction cleaning mode, the vacuum cleaner's air intake 10b faces the area to be cleaned. Dust and other debris in the area to be cleaned are sucked in by the air intake 10b and then stored in the vacuum cleaner's dust collection structure, thus achieving the cleaning of the area to be cleaned.

[0063] In the above-mentioned blowing and cleaning mode, the air outlet 10a of the vacuum cleaner is directed towards the area to be cleaned. Dust and other debris in the area to be cleaned are blown away by the airflow from the nozzle 2, thus cleaning the area to be cleaned.

[0064] Combination Figure 3 and Figure 4 As shown, in some possible implementations, the inner wall of the air outlet 10a is provided with at least one mounting groove 12, and each elastic positioning component 11 is located in a mounting groove 12.

[0065] Each elastic positioning component 11 includes an elastic element 111 and a ball element 112.

[0066] The elastic element 111 is located in the corresponding mounting groove 12, the ball element 112 is rolled on the end of the elastic element 111 facing the air nozzle 2, and at least a portion of the ball element 112 can protrude to the outside of the corresponding mounting groove 12.

[0067] With the above arrangement, due to the rolling characteristic of the ball bearing 112, when the air nozzle 2 is connected or disassembled, the ball bearing 112 can roll relative to the circumferential outer wall of the air nozzle 2. The friction between the ball bearing 112 and the outer wall of the air nozzle 2 is rolling friction, and the wear between them is negligible. Therefore, the air nozzle 2 and the elastic positioning assembly 11 have a longer service life. Furthermore, the elastic resistance of the ball bearing 112 provides a better operating feel, which is beneficial for improving the insertion and removal feel of the air nozzle 2 and enhancing the user experience of the vacuum cleaner.

[0068] In this embodiment, the elastic positioning component 11, when no external force is applied, allows the ball bearing 112 to protrude into the air outlet 10a under the elastic force of the elastic member 111. When the air nozzle 2 needs to be connected, the circumferential outer wall of the air nozzle 2 first contacts the ball bearing 112. Under the action of the insertion force, the ball bearing 112 is pressed inward and retracts. Then, as the air nozzle 2 is further inserted, the ball bearing 112 will roll along the circumferential outer wall of the air nozzle 2 without causing wear to the circumferential outer wall of the air nozzle 2. When the ball bearing 112 is aligned with the limiting groove 21, the elastic force of the elastic member 111 drives the ball bearing 112 to be clamped in the limiting groove 21, thus clamping and fixing the air nozzle 2 and the machine body 1. When it is necessary to disassemble the air nozzle 2, under the action of disassembly force, the ball bearing 112 is pressed inward by the side wall of the limiting groove 21 and then retracts inward. As the air nozzle 2 is further pulled out, the ball bearing 112 rolls along the circumferential outer wall of the air nozzle 2 until the air nozzle 2 is pulled out from the air outlet 10a.

[0069] In some possible implementations, the limiting groove 21 is a spherical groove that is adapted to the diameter of the ball bearing 112.

[0070] Combination Figure 4 As shown, in some possible implementations, the elastic positioning component 11 further includes a sleeve 113, with the elastic element 111 and the ball element 112 located inside the sleeve 113, and the outer wall of the sleeve 113 connected to the inner wall of the mounting groove 12.

[0071] With the above arrangement, the elastic element 111 and the ball element 112 can be integrated into the sleeve, and the elastic positioning component 11 is integrated into a single part. The integration is high, and they can be assembled together, which improves production assembly efficiency and reduces production difficulty.

[0072] Combination Figure 5 As shown, in some possible implementations, the outer wall of the sleeve 113 is provided with a first threaded structure 1131, and the inner wall of the mounting groove 12 is provided with a second threaded structure 121. The first threaded structure 1131 and the second threaded structure 121 are connected to each other.

[0073] With the above arrangement, the elastic positioning component 11 can be threadedly connected to the first threaded structure 1131 of the sleeve 113 and the second threaded structure 121 of the mounting groove 12 to achieve the positioning and installation of the elastic positioning component 11. The assembly is simple and the connection is highly reliable. Moreover, the first threaded structure 1131 and the second threaded structure 121 can achieve axial positioning support for the elastic positioning component 11, which has good support reliability.

[0074] Combination Figure 3 and Figure 4As shown, in some possible implementation schemes, the machine body 1 includes a first housing 13, the first housing 13 includes a cylindrical structure 131, and the cylindrical structure 131 surrounds an air outlet 10a.

[0075] At least one mounting groove 12 is located on the side wall of the cylindrical structure 131, and the end of the at least one mounting groove 12 facing away from the air nozzle 2 extends through to the outer surface of the side wall of the cylindrical structure 131, so that the elastic positioning component 11 can be inserted into the corresponding mounting groove 12 from the outer surface of the side wall of the cylindrical structure 131.

[0076] With the above arrangement, the elastic positioning component 11 can be installed from the outside of the cylindrical structure 131 of the first housing 13. The operation is simple, and the elastic force of the elastic positioning component 11 can be adjusted by adjusting the insertion length of the elastic positioning component 11 in the mounting groove 12, adjusting the size of the ball bearing 112 protruding into the air outlet 10a.

[0077] Combination Figure 1 , Figure 6 and Figure 7 As shown, in some possible implementations, at least one boss structure 22 is provided on the circumferential outer wall of the air nozzle 2, and at least one limiting groove 21 is located on the surface of the boss structure 22 away from the air nozzle 2.

[0078] A limiting groove 14 is provided on the circumferential inner wall of the air outlet 10a. The limiting groove 14 extends circumferentially along the air outlet 10a. At least one elastic positioning component 11 is located at one end of the limiting groove 14. The other end of the limiting groove 14 is provided with an inlet / outlet notch 15. The inlet / outlet notch 15 extends through to the end face of the air outlet 10a. At least one boss structure 22 can enter the limiting groove 14 through the inlet / outlet notch 15 and move along the limiting groove 14 so that at least one limiting groove 21 and at least one elastic positioning component 11 are engaged with each other.

[0079] With the above arrangement, the boss structure 22 can be inserted into the limiting slide groove 14 through the inlet and outlet notch 15 and move within the limiting slide groove 14, so that the limiting groove 21 is aligned and engaged with the elastic positioning component 11. The boss structure 22 can realize the positioning of the air nozzle 2 and the air outlet 10a along the air outlet direction, improve the connection stability of the air nozzle 2 and the air outlet 10a, and prevent the air nozzle 2 from shaking, which would affect the user experience of the vacuum cleaner.

[0080] Combination Figure 6 As shown, in some possible implementations, at least one boss structure 22 has a guide slope 221 on its edge, which is used to press and guide at least one elastic positioning component 11.

[0081] With the above arrangement, when the boss structure 22 contacts the elastic positioning component 11, the guide slope 221 can guide the ball component 112. The ball component 112 can be gradually pressed under the action of the guide slope 221, so that the insertion resistance between the limiting groove 21 and the elastic positioning component 11 is smaller, which is conducive to further reducing the connection difficulty of the air nozzle 2.

[0082] Combination Figure 2 As shown, in some possible implementations, at least one boss structure 22 has the same dimension along the air outlet 10a in the air outlet direction as the limiting groove 14 has the same dimension along the air outlet 10a in the air outlet direction.

[0083] With the above arrangement, the dimensions of the boss structure 22 along the air outlet direction are the same as the dimensions of the limiting slide groove 14. After the air nozzle 2 is inserted, the position of the boss structure 22 along the air outlet direction can be limited and supported by the limiting slide groove 14, and the air nozzle 2 will not move up and down in the air outlet direction.

[0084] Combination Figure 2 As shown, in some possible implementations, at least one boss structure 22 protrudes outward along the circumferential outer wall of the nozzle 2 to the same height as the limiting groove 14 is recessed inward along the circumferential inner wall of the air outlet 10a.

[0085] With the above arrangement, the circumferential outer wall of the boss structure 22 abuts against the bottom wall of the limiting slide groove 14. After the air nozzle 2 is inserted, the radial position of the boss structure 22 can be limited and supported by the limiting slide groove 14, and the air nozzle 2 will not move radially.

[0086] Combination Figure 2 As shown, in some possible implementation schemes, there are two limiting grooves 21 and two elastic positioning components 11. The two limiting grooves 21 are arranged at intervals on the circumferential outer wall of the air nozzle 2, and the two elastic positioning components 11 are arranged at intervals on the circumferential inner wall of the air outlet 10a. Each limiting groove 21 corresponds to one elastic positioning component 11.

[0087] With the above arrangement, the air nozzle 2 can achieve a reliable connection with the machine body 1 by using two limiting grooves 21 and two elastic positioning components 11.

[0088] Combination Figure 1 and Figure 2 As shown, in some possible implementations, the two limiting grooves 21 are spaced 180 degrees apart, and the two elastic positioning components 11 are spaced 180 degrees apart. When the limiting grooves 21 and the elastic positioning components 11 are arranged at 180-degree intervals, they can provide balanced connection support for the air nozzle 2, and the connection reliability between the air nozzle 2 and the machine body 1 is better.

[0089] It should be noted that in this article, "several" and "at least one" refer to one or more, while "multiple" and "at least two" refer to two or more. "And / or" describes the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A alone, A and B simultaneously, or B alone. The character " / " generally indicates that the preceding and following related objects have an "or" relationship.

[0090] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, features defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0091] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature being directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0092] In the description of this specification, the references to the terms "certain embodiments", "one embodiment", "some embodiments", "illustrative embodiment", "example", "specific example", or "some examples" refer to specific features, structures, materials, or characteristics described in connection with the embodiments or examples that are included in at least one embodiment or example of this application.

[0093] The above description is merely an embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, improvements, etc., made within the principles of this application should be included within the protection scope of this application.

Claims

1. A vacuum cleaner characterised in that, The vacuum cleaner includes: a machine body (1) and an air nozzle (2); The machine body (1) has an air outlet (10a), at least a portion of the air nozzle (2) is located inside the air outlet (10a), and the circumferential outer wall of the air nozzle (2) is in contact with the circumferential inner wall of the air outlet (10a). The air nozzle (2) has at least one limiting groove (21) on its circumferential outer wall; At least one elastic positioning component (11) is provided on the circumferential inner wall of the air outlet (10a), and the at least one elastic positioning component (11) can elastically extend and retract toward the air nozzle (2). When at least a portion of the at least one elastic positioning component (11) is engaged in the at least one limiting groove (21), the air nozzle (2) is connected to the machine body (1).

2. The dustsucker according to claim 1, characterized in that, The inner wall of the air outlet (10a) is provided with at least one mounting groove (12), and each of the elastic positioning components (11) is located in one of the mounting grooves (12); Each of the elastic positioning components (11) includes an elastic element (111) and a ball element (112); The elastic element (111) is located in the corresponding mounting groove (12), the ball element (112) is rolled and arranged at one end of the elastic element (111) facing the air nozzle (2), and at least a portion of the ball element (112) can protrude to the outside of the corresponding mounting groove (12).

3. The dustsucker according to claim 2, characterized in that, The elastic positioning component (11) further includes a sleeve (113), the elastic element (111) and the ball element (112) are respectively located inside the sleeve (113), and the outer wall of the sleeve (113) is connected to the inner wall of the mounting groove (12).

4. The dustsucker according to claim 3, characterized in that, The outer wall of the sleeve (113) is provided with a first thread structure (1131), and the inner wall of the mounting groove (12) is provided with a second thread structure (121). The first thread structure (1131) and the second thread structure (121) are connected to each other.

5. The dust cup according to claim 2, wherein The machine body (1) includes a first housing (13), the first housing (13) includes a cylindrical structure (131), the cylindrical structure (131) surrounds the air outlet (10a); The at least one mounting groove (12) is located on the side wall of the cylindrical structure (131), and the end of the at least one mounting groove (12) facing away from the air nozzle (2) extends through to the outer surface of the side wall of the cylindrical structure (131), so that the elastic positioning component (11) can be inserted into the corresponding mounting groove (12) from the outer surface of the side wall of the cylindrical structure (131).

6. The dust cup according to claim 1, wherein At least one boss structure (22) is provided on the circumferential outer wall of the air nozzle (2), and the at least one limiting groove (21) is located on the surface of the boss structure (22) away from the air nozzle (2). The air outlet (10a) has a limiting groove (14) on its circumferential inner wall. The limiting groove (14) extends circumferentially along the air outlet (10a). At least one elastic positioning component (11) is located at one end of the limiting groove (14). The other end of the limiting groove (14) has an inlet / outlet notch (15). The inlet / outlet notch (15) extends through to the end face of the air outlet (10a). At least one boss structure (22) can enter the limiting groove (14) through the inlet / outlet notch (15) and move along the limiting groove (14) so ​​that the at least one limiting groove (21) and the at least one elastic positioning component (11) engage with each other.

7. The dustsucker according to claim 6, characterized in that The edge of the at least one boss structure (22) is provided with a guide slope (221), which is used to press and guide the at least one elastic positioning component (11).

8. The dust cup according to claim 6, wherein The dimension of the at least one boss structure (22) along the air outlet (10a) in the air outlet direction is the same as the dimension of the limiting groove (14) along the air outlet (10a) in the air outlet direction. And / or, The height at which the at least one boss structure (22) protrudes outward along the circumferential outer wall of the air nozzle (2) is the same as the depth at which the limiting groove (14) is recessed inward along the circumferential inner wall of the air outlet (10a).

9. The dustsucker according to any one of claims 1 to 8, characterized in that, The number of the limiting groove (21) and the number of the elastic positioning component (11) are two. The two limiting grooves (21) are arranged at intervals on the circumferential outer wall of the air nozzle (2), and the two elastic positioning components (11) are arranged at intervals on the circumferential inner wall of the air outlet (10a). Each limiting groove (21) corresponds to one elastic positioning component (11).

10. The dustsucker according to claim 9, characterized in that The two limiting grooves (21) are spaced 180 degrees apart, and the two elastic positioning components (11) are spaced 180 degrees apart.

Images