Buckle self-locking structure of inner magnet and impeller and pump

Abstract

The utility model discloses a buckle self-locking structure of an inner magnet and an impeller and a pump. The buckle self-locking structure of the inner magnet and the impeller comprises the inner magnet (1) and the impeller (2), wherein the upper portion of the impeller (2) is connected with the inner magnet (1) in a buckled mode. Wherein the outer edge of the upper end of the inner magnet (1) is provided with a plurality of inner magnetic card ports (11), the lower parts of the inner magnetic card ports (11) are wide, and the upper parts of the inner magnetic card ports (11) are narrow; the impeller (2) is provided with a plurality of buckle structures (21) protruding outwards, and the lower portions of the buckle structures (21) are wide and the upper portions of the buckle structures (21) are narrow. A bayonet is formed at each of the wide and narrow junctions of the inner magnetic card port (11) and the buckle structure (21), and when the impeller (2) is connected into the inner magnet (1) from top to bottom, the inner magnet (1) and the impeller (2) are buckled through the bayonets of the inner magnetic card port (11) and the buckle structure (21). The utility model has the beneficial effects that the inner magnet and the impeller are provided with a buckle self-locking structure, so that the impeller is ensured to be mounted in place, and meanwhile, the disassembly and assembly are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical appliances, and in particular to a buckle self-locking structure of an internal magnet and an impeller, and a pump. Background Art

[0002] The internal magnet and impeller in the pump need to be assembled before use. The traditional method is to ultrasonically weld the impeller and the internal magnet together and wrap them, or to directly insert the impeller into the internal magnet structure. However, this assembly method causes the impeller to not be installed properly and is not conducive to disassembly and assembly.

[0003] Therefore, it is urgent to develop a self-locking structure and pump with an internal magnet and an impeller that are easy to assemble and disassemble. Utility Model Content

[0004] The present invention aims to solve at least one of the above technical problems to a certain extent.

[0005] To this end, the first purpose of the present invention is to provide a snap-on self-locking structure between the internal magnet and the impeller, which is convenient for assembly and disassembly.

[0006] The second object of the present invention is to provide a pump.

[0007] To achieve the above-mentioned purpose, an embodiment of the present utility model discloses a self-locking structure of an internal magnet and an impeller, comprising: an internal magnet 1, and an impeller 2 that is buckled with the internal magnet 1 at the top; wherein, the outer edge of the upper end of the internal magnet 1 is provided with a plurality of internal magnet snap-in slots 11, and the internal magnet snap-in slots 11 are wide at the bottom and narrow at the top; the impeller 2 is provided with a plurality of outwardly protruding snap-in structures 21, and the snap-in structures 21 are wide at the bottom and narrow at the top; a snap-in slot is formed at the intersection of the width and narrowness of the internal magnet snap-in slots 11 and the snap-in structures 21, and when the impeller 2 is connected to the internal magnet 1 from top to bottom, the internal magnet 1 and the impeller 2 are buckled through the snap-in slots of the internal magnet snap-in slots 11 and the snap-in structures 21.

[0008] In addition, the buckle self-locking structure of the internal magnet and the impeller according to the above technical solution of the utility model can also have the following additional technical features:

[0009] Optionally, the upper narrow portion of the inner magnetic bayonet 11 is provided with a press-to-release portion 12 which is narrow on the outside and wide on the inside.

[0010] Optionally, the inner ring of the inner magnet 1 is further provided with a plurality of raised ridges 13; correspondingly, the inner ring of the impeller 2 is further provided with grooves 23; when the inner magnet 1 and the impeller 2 are buckled, the ridges 13 are engaged with the grooves 23.

[0011] To achieve the above-mentioned purpose, a second embodiment of the present invention provides an electrical appliance, comprising: the snap-on self-locking structure of the internal magnet and the impeller as described in the first embodiment of the present invention.

[0012] The beneficial effect of the utility model is that the impeller is ensured to be installed in place and is convenient for disassembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a three-dimensional diagram of a buckle self-locking structure of an internal magnet and an impeller provided by an embodiment of the utility model;

[0014] Figure 2 This is a partial enlarged view A of a buckle self-locking structure of an internal magnet and an impeller provided by an embodiment of the present utility model;

[0015] Figure 3 This is a three-dimensional diagram of the internal magnetism provided by one embodiment of the present utility model;

[0016] Figure 4 FIG. B is a partial enlarged view of the internal magnetism provided by an embodiment of the present invention;

[0017] Figure 5 This is a three-dimensional diagram of an impeller provided by an embodiment of the present utility model;

[0018] Figure 6 FIG. C is a partial enlarged view of an impeller provided in one embodiment of the present utility model.

[0019] Reference numerals:

[0020] 1-internal magnet, 11-internal magnet snap-on, 12-press-to-release portion, 13-convex strip, 2-impeller, 21-snap-on structure, 23-groove. DETAILED DESCRIPTION

[0021] The following describes in detail embodiments of the present invention, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or components / elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present invention, and are not to be construed as limiting the present invention.

[0022] The following describes the buckle self-locking structure of the internal magnet and the impeller according to an embodiment of the present invention with reference to the accompanying drawings.

[0023] Figure 1 This is a three-dimensional diagram of a buckle self-locking structure of an internal magnet and an impeller provided by an embodiment of the utility model; Figure 2 This is a partial enlarged view A of a buckle self-locking structure of an internal magnet and an impeller provided by an embodiment of the present utility model; Figure 3 This is a three-dimensional diagram of the internal magnetism provided by one embodiment of the present utility model; Figure 4 FIG. B is a partial enlarged view of the internal magnetism provided by an embodiment of the present invention; Figure 5This is a three-dimensional diagram of an impeller provided by an embodiment of the present utility model; Figure 6 FIG. 1 is a partial enlarged view C of an impeller provided by an embodiment of the present invention. Figures 1-6 As shown, the self-locking structure of the internal magnet and the impeller includes an internal magnet 1 and an impeller 2 that is buckled with the internal magnet 1 at the top; wherein, the outer edge of the upper end of the internal magnet 1 is provided with a plurality of internal magnet snap-in slots 11, which are wide at the bottom and narrow at the top; the impeller 2 is provided with a plurality of outwardly protruding snap-in structures 21, which are wide at the bottom and narrow at the top; a snap-in slot is formed at the wide and narrow intersection of the internal magnet snap-in slots 11 and the snap-in structures 21, and when the impeller 2 is connected to the internal magnet 1 from top to bottom, the internal magnet 1 and the impeller 2 are buckled through the snap-in slots of the internal magnet snap-in slots 11 and the snap-in structures 21.

[0024] Specifically, to address the problem of conventional techniques where the internal magnet and impeller are welded together, preventing disassembly, the present invention proposes a removable solution: an inverted T-shaped slot, the internal magnet snap-on 11, is provided on the internal magnet 1; a snap-on structure 21, matching the shape of the internal magnet snap-on 11, is provided on the impeller 2. This snap-on structure 21 is outwardly protruding and has a certain degree of elasticity. When the internal magnet 1 and impeller 2 are engaged, the snap-on structure 21 first expands and then rebounds to tighten. To disassemble, the narrower portion above the snap-on structure 21 is pressed to disengage it from the internal magnet snap-on 11.

[0025] According to the buckle self-locking structure of the internal magnet and the impeller of the utility model, the internal magnet and the impeller are provided with a buckle self-locking structure, which ensures that the impeller is installed in place and is also convenient for disassembly and assembly.

[0026] According to an embodiment of the present invention, a press-to-release portion 12 with a narrow outer side and a wide inner side is provided on the upper narrow portion of the inner magnetic bayonet 11 .

[0027] Specifically, if Figure 4 As shown, in order to facilitate pressing the buckle structure 21 so that the buckle structure 21 can be easily separated from the inner magnetic buckle hole 11, a pressing and easy-to-separate portion 12 can be provided.

[0028] According to one embodiment of the present invention, the inner ring of the internal magnet 1 is further provided with a plurality of raised ridges 13; correspondingly, the inner ring of the impeller 2 is further provided with grooves 23; when the internal magnet 1 and the impeller 2 are buckled, the ridges 13 are engaged with the grooves 23.

[0029] Specifically, in order to ensure reliable buckling, the protrusion 13 and the groove 23 can be arranged to buckle with each other to prevent the buckle structure 21 from falling off during vibration or shaking.

[0030] Based on the above embodiments, an embodiment of the present invention further proposes an electrical appliance, including the snap-on self-locking structure of the internal magnet and the impeller as described in the embodiment of the first aspect of the present utility model.

[0031] According to an electrical appliance of the present invention, the inner magnet and the impeller are provided with a snap-fit ​​self-locking structure, which ensures that the impeller is installed in place and is also convenient for disassembly and assembly.

[0032] The above embodiments are preferred implementation schemes of the present application. In addition, the present application can also be implemented in other ways. Any obvious replacement without departing from the concept of the present application is within the scope of protection of the present application.

Claims

1. A snap-on self-locking structure between an internal magnet and an impeller, characterized in that: include: An internal magnet (1), and an impeller (2) connected to the internal magnet (1) above; The outer edge of the upper end of the internal magnet (1) is provided with a plurality of internal magnet snap-in slots (11), which are wide at the bottom and narrow at the top; the impeller (2) is provided with a plurality of outwardly protruding snap-in structures (21), which are wide at the bottom and narrow at the top; the wide and narrow intersections of the internal magnet snap-in slots (11) and the snap-in structures (21) form a snap-in slot, and when the impeller (2) is connected to the internal magnet (1) from top to bottom, the internal magnet (1) and the impeller (2) are snap-in connected through the snap-in slots of the internal magnet snap-in slots (11) and the snap-in structures (21).

2. The buckle self-locking structure of the internal magnet and the impeller according to claim 1, characterized in that: The upper narrow portion of the inner magnetic snap-on socket (11) is provided with a press-to-release portion (12) which is narrow on the outside and wide on the inside.

3. The buckle self-locking structure of the internal magnet and the impeller according to claim 1, characterized in that: The inner ring of the inner magnet (1) is further provided with a plurality of raised ridges (13); correspondingly, the inner ring of the impeller (2) is further provided with grooves (23); when the inner magnet (1) and the impeller (2) are buckled, the ridges (13) and the grooves (23) are engaged.

4. A pump, characterized in that: include: A snap-fit ​​self-locking structure between an internal magnet and an impeller as claimed in any one of claims 1 to 3.

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