A fast self-locking and stable structure for vacuum cleaner connection

Abstract

The present invention discloses a quick self-locking and stable structure for vacuum cleaner connection, which includes an accessory male end component, a plurality of self-locking blocks, a self-locking rotary switch, and a main body female end component. A torsion spring is arranged between the main body female end component and the self-rotary switch. A threaded groove is arranged in the self-locking rotary switch, and the self-locking blocks can rotate and slide in the threaded groove. The accessory male end component is inserted into the self-locking rotary switch, and the self-locking blocks are rotationally abutted against the accessory male end component. An outer decorative shell is arranged on the outer side wall of the self-locking rotary switch. By installing the self-locking rotary switch on the main body female end component and rotating the self-locking rotary switch, when the accessory male end component is assembled in place, affected by the torsion spring, the self-locking blocks automatically return to their positions along the threaded groove to tightly hold the accessory male end component, preventing the accessory male end component from shaking and falling off.

Description

Technical Field

[0001] The present invention belongs to the technical field of vacuum cleaners, and particularly relates to a quick self-locking and stable structure for connecting vacuum cleaners. Background Art

[0002] Vacuum cleaners can be divided into upright, horizontal and portable types according to their structures. The working principle of a vacuum cleaner is that an electric motor drives the blades to rotate at high speed, generating a negative air pressure inside a sealed housing to suck dust and debris.

[0003] However, after the existing vacuum cleaner tubes are connected, they are prone to problems such as shaking and falling off, which affect the user experience. Summary of the Invention

[0004] The purpose of the present invention is to propose a quick self-locking and stable structure for connecting vacuum cleaners to solve the problems of shaking and falling off after the connection of vacuum cleaners. By using self-locking of the mechanism to replace assembly methods such as bayonets, the risk of unhooking and the poor experience of shaking after assembly are solved.

[0005] To achieve the above purpose, the present invention adopts the following technical scheme: A quick self-locking and stable structure for connecting vacuum cleaners, including an accessory male end assembly, a plurality of self-locking blocks, a self-locking rotary switch and a main body female end assembly. A torsion spring is arranged between the main body female end assembly and the self-rotary switch. A threaded groove is arranged inside the self-locking rotary switch. The self-locking blocks can rotate and slide in the threaded groove. The accessory male end assembly is inserted into the self-locking rotary switch. The self-locking blocks are rotationally abutted against the accessory male end assembly. An outer decorative shell is arranged on the outer side wall of the self-locking rotary switch.

[0006] As a further description of the above technical scheme:

[0007] The self-locking rotary switch includes a first connection body and a lock groove body. A first connection groove is arranged on the first connection body. The main body female end assembly includes a second connection body and an extension body. A second connection groove is arranged on the second connection body. One end of the torsion spring is connected in the first connection groove, and the other end is connected in the second connection groove. The extension body extends into the self-locking rotary switch.

[0008] As a further description of the above technical scheme:

[0009] A plurality of limiting grooves are arranged on the extension body. The bottoms of the plurality of self-locking blocks are located in the limiting grooves, and the tops slide in the threaded groove.

[0010] As a further description of the above technical scheme:

[0011] A plurality of rib strips are arranged on the first connection body.

[0012] As a further description of the above technical solution:

[0013] The lock groove body is in the shape of a cylindrical tube with a wider outer part and a narrower inner part.

[0014] As a further description of the above technical solution:

[0015] The number of the self-locking blocks is three.

[0016] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are as follows:

[0017] In the present invention, by installing the self-locking rotary switch on the main body female end assembly and rotating the self-locking rotary switch, the self-locking block moves forward along the thread groove. When the accessory male end assembly is inserted into the main body female end assembly, when the accessory male end assembly is assembled in place, affected by the torsion spring, the self-locking block automatically returns along the thread groove to tightly hold the accessory male end assembly, so that the accessory male end assembly cannot shake or fall off; when the accessory male end assembly needs to be separated from the main body female end assembly, it is necessary to rotate the self-locking rotary switch to release the clamped lock block, and the accessory male end assembly is separated from the main body female end assembly. This structure is convenient for disassembly and installation, and will not shake or fall off after installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0019] Figure 1 It is a three-dimensional view of a quick self-locking and stable structure for vacuum cleaner connection.

[0020] Figure 2 It is an exploded view of a quick self-locking and stable structure for vacuum cleaner connection.

[0021] Figure 3 It is a cross-sectional view of a quick self-locking and stable structure for vacuum cleaner connection Figure 1 .

[0022] Figure 4 It is a cross-sectional view of a quick self-locking and stable structure for vacuum cleaner connection Figure 2 .

[0023] Figure 5 It is a cross-sectional view of a quick self-locking and stable structure for vacuum cleaner connection Figure 3 .

[0024] Figure 6It is a flowchart of the use of a quick self-locking and stable structure for vacuum cleaner connection.

[0025] Legend Explanation:

[0026] 1 - Male end component of the accessory; 2 - Self-locking block; 3 - Self-locking rotary switch; 31 - First connecting body; 32 - Lock groove body; 4 - Female end component of the main body; 41 - Second connecting body; 42 - Extension body; 5 - Torsion spring; 6 - Thread groove; 7 - Outer decorative shell; 8 - First connecting groove; 9 - Second connecting groove; 10 - Limiting groove; 11 - Rib. Specific Embodiments

[0027] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0028] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are a part of the embodiments of the present invention, rather than all the embodiments. Usually, the components of the embodiments of the present invention described and illustrated in the accompanying drawings here can be arranged and designed in various different configurations.

[0029] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0030] It should be noted that: similar reference numerals and letters indicate similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0031] In the description of the embodiments of the present invention, it should be noted that the orientation or positional relationship indicated by terms such as "upper", "inner", etc. is based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the product of the invention is usually placed during use. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation to the present invention.

[0032] In the description of the present invention, it should also be noted that unless otherwise clearly specified and defined, the terms "set", "installed", "connected", and "coupled" 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 directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0033] Please refer to Figures 1-6 , the present invention provides a technical solution: a quick self-locking and stable structure for vacuum cleaner connection, including an accessory male end assembly 1, several self-locking blocks 2, a self-locking rotary switch 3, and a main body female end assembly 4. A torsion spring 5 is arranged between the main body female end assembly 4 and the self-rotating switch. A threaded groove 6 is arranged inside the self-locking rotary switch 3. The self-locking blocks 2 can rotate and slide inside the threaded groove 6. The accessory male end assembly 1 is inserted into the self-locking rotary switch 3. The self-locking blocks 2 are rotationally abutted against the accessory male end assembly 1. An outer decorative shell 7 is arranged on the outer side wall of the self-locking rotary switch 3.

[0034] The self-locking rotary switch 3 includes a first connection body 31 and a lock groove body 32. A first connection groove 8 is arranged on the first connection body 31. The main body female end assembly 4 includes a second connection body 41 and an extension body 42. A second connection groove 9 is arranged on the second connection body 41. One end of the torsion spring 5 is connected inside the first connection groove 8, and the other end is connected inside the second connection groove 9. The extension body 42 extends into the self-locking rotary switch 3. The automatic return of the self-locking block in the threaded groove is completed by the torsion spring.

[0035] Several limiting grooves 10 are arranged on the extension body 42. The bottoms of several self-locking blocks 2 are located inside the limiting grooves 10, and the tops slide inside the threaded groove 6. When the self-rotating switch is rotated, the extension body drives the self-locking blocks to rotate.

[0036] Several rib strips 11 are arranged on the first connection body 31.

[0037] The lock groove body 32 is in the shape of a cylindrical tube with a wider outer part and a narrower inner part. The tops of the self-locking blocks move along the lock groove body, so as to realize the locking and loosening of the accessory male end assembly.

[0038] The number of the self-locking blocks 2 is 3. The 3 self-locking blocks are located in 3 limiting grooves, and the self-locking blocks are located on the periphery of the accessory male end assembly.

[0039] Working principle: By installing the self-locking rotary switch on the main body female end component and rotating the self-locking rotary switch, the self-locking block moves forward along the thread groove. Insert the accessory male end component into the main body female end component. When the accessory male end component is assembled in place, affected by the torsion spring, the self-locking block automatically returns along the thread groove to tightly hold the accessory male end component, preventing the accessory male end component from shaking or falling off. When the accessory male end component needs to be detached from the main body female end component, it is necessary to rotate the self-locking rotary switch to release the locking block, and the accessory male end component can be detached from the main body female end component. This structure is convenient for disassembly and installation, and there will be no shaking or falling off after installation.

[0040] The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, making equivalent substitutions or changes, should be covered within the protection scope of the present invention.

Claims

1. A quick self-locking and stable structure for vacuum cleaner connection, characterized in that, It includes an accessory male terminal component (1), several self-locking blocks (2), a self-locking rotary switch (3) and a main body female terminal component (4). A torsion spring (5) is arranged between the main body female terminal component (4) and the self-rotating switch. A threaded groove (6) is arranged in the self-locking rotary switch (3). The self-locking block (2) can rotate and slide in the threaded groove (6). The accessory male terminal component (1) is inserted into the self-locking rotary switch (3). The self-locking block (2) abuts against the accessory male terminal component (1) by rotation. An outer decorative shell (7) is arranged on the outer side wall of the self-locking rotary switch (3). The self-locking rotary switch (3) includes a first connecting body (31) and a lock groove body (32). A first connecting groove (8) is arranged on the first connecting body (31). The main body female terminal component (4) includes a second connecting body (41) and an extension body (42). A second connecting groove (9) is arranged on the second connecting body (41). One end of the torsion spring (5) is connected in the first connecting groove (8), and the other end is connected in the second connecting groove (9). The extension body (42) extends into the self-locking rotary switch (3). Several limiting grooves (10) are arranged on the extension body (42). The bottoms of several self-locking blocks (2) are located in the limiting grooves (10), and the tops slide in the threaded groove (6). The lock groove body (32) is in the shape of a cylinder with a wider outer part and a narrower inner part.

2. The quick self-locking and stable structure for vacuum cleaner connection according to claim 1, characterized in that Several rib strips (11) are arranged on the first connecting body (31).

3. A quick self-locking and stable structure for vacuum cleaner connection according to claim 1, characterized in that , The number of the self-locking blocks (2) is 3.

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