Stator mounting structure and fan

Abstract

The utility model discloses a stator installation structure and discloses a blower fan possessing the stator installation structure, the stator installation structure is characterized in that the stator comprises an outer frame, a reel and a silicon steel sheet, the reel is fixed on the outer frame, the silicon steel sheet is arranged on the reel, the outer frame is provided with a central pipe, and the central pipe is provided with a plurality of through holes. A central hole is formed between the winding frame and the silicon steel sheet, the central hole is used for accommodating the central tube, the winding frame is characterized by comprising a buckling assembly and a positioning assembly, the buckling assembly comprises a buckling part arranged on the inner wall of the central hole and a clamping groove formed in the radial outer surface of the central tube, the buckling part is buckled with the clamping groove, and the positioning assembly is used for positioning the central tube. The positioning assembly comprises a positioning part arranged on the central pipe and a positioning groove arranged on the inner wall of the central hole, and the positioning part is accommodated in the positioning groove, so that the stator is suitable for a fan with high rotating speed and large torque, and the problem of loosening of the stator in the working process can be avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of fans, and in particular to a stator mounting structure and a fan. Background Art

[0002] In the structure of high-speed, high-torque fans on the existing market, the stator is fixed on the outer frame. Specifically, the outer frame has a central axis, glue is applied to the central axis, and then the central axis is matched with the inner hole of the stator, so that the stator is installed and fixed. However, when the product is used in a harsh environment of low temperature, high temperature, and extremely high salinity, the glue is easily invalidated, causing the stator to loosen. In addition, for high-speed, high-torque fans working in the above environment, their stators are more likely to loosen and come off, eventually causing the fan to fail to work. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a stator mounting structure suitable for high-speed and high-torque fans, which can avoid the problem of the stator being loose during the working process.

[0004] The utility model also provides a fan with the stator installation structure.

[0005] According to a stator mounting structure of an embodiment of the first aspect of the utility model, the stator includes an outer frame, a winding frame and a silicon steel sheet, the winding frame is fixed to the outer frame, the silicon steel sheet is arranged on the winding frame, the outer frame is provided with a center tube, a center hole is provided between the winding frame and the silicon steel sheet, and the center hole accommodates the center tube. It is characterized in that it includes a buckle assembly and a positioning assembly, the buckle assembly includes a buckle portion provided on the inner wall of the center hole, and a clamping groove provided on the radial outer surface of the center tube, the buckle portion is buckled with the clamping groove, and the positioning assembly includes a positioning portion provided on the radial outer surface of the center tube, and a positioning groove provided on the inner wall of the center hole, and the positioning groove accommodates the positioning portion.

[0006] According to some embodiments of the utility model, the central tube includes a connecting tube portion formed by the outer frame and a copper tube portion connected to the connecting tube portion, and the card slot is arranged at one end of the copper tube portion away from the connecting tube portion.

[0007] According to some embodiments of the utility model, the buckle portion is provided with an abutment surface, the abutment surface is bent and inclined, and the end of the copper tube portion is provided with a guide surface, and the abutment surface is used to abut against the guide surface.

[0008] According to some embodiments of the present invention, a step is provided on the radial outer surface of the connecting pipe portion, and the end surface of the silicon steel sheet abuts against the step.

[0009] According to some embodiments of the present invention, the positioning portion is disposed on the step.

[0010] According to some embodiments of the present utility model, the center hole includes a mounting section arranged on the silicon steel sheet, and the copper tube portion cooperates with the mounting section and is connected by glue.

[0011] According to some embodiments of the present invention, the positioning groove is arranged on the installation section and extends along the axial direction of the central hole.

[0012] According to some embodiments of the utility model, the central hole includes a receiving section arranged on the winding frame, and a plurality of the buckle parts are provided, and the plurality of the buckle parts are distributed along the circumference of the central hole and are arranged on the receiving section.

[0013] According to some embodiments of the present utility model, the buckle portion is provided with a connecting plate portion, and the buckle portion is arranged in the accommodating section through the connecting plate portion.

[0014] A fan according to an embodiment of the second aspect of the utility model comprises a stator mounting structure as described in any one of the above claims.

[0015] A stator mounting structure and a fan according to an embodiment of the utility model have at least the following beneficial effects:

[0016] 1. The utility model provides a buckle part and a slot, wherein the buckle part is provided on the inner wall of the center hole, so that the buckle part and the winding frame are integrally injection molded, and the production and manufacturing are relatively easy; the slot is provided on the outer surface of the center tube, and the center tube and the outer frame can be designed as a separate body, and therefore, the slot of the center tube can be machined, thus avoiding the manufacturing method of integral injection molding of the center tube and the outer frame, and also avoiding the problem that the injection mold of the outer frame is difficult to manufacture.

[0017] 2. The utility model combines the winding frame and the central tube of the outer frame together by engaging the buckle part and the slot. Thus, on the one hand, the winding frame and the outer frame form an integral whole, and the stator is not easy to loosen, which is conducive to solving the technical problems of product automation line, improving installation efficiency and reducing costs. On the other hand, the stator is not easy to separate from the outer frame, which improves the binding force and pulling force of the fan, solves the problem that the winding frame is easily loosened by fans with high speed and large torque, and greatly improves the reliability of the product.

[0018] 3. The utility model provides a positioning portion and a positioning groove. The positioning groove can accommodate the positioning portion, which can prevent the winding frame from rotating on the central tube and avoid the method of fixing the winding frame only with glue. Therefore, on the one hand, it avoids the position displacement of the winding frame during assembly, further solving the technical problems of product automation line installation. On the other hand, it plays an anti-fool function, improves assembly efficiency, avoids the problem of winding frame assembly errors, improves installation efficiency, and reduces the occurrence of defective products.

[0019] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0021] Figure 1 This is a schematic diagram of the structure of a stator mounting structure and a fan according to an embodiment of the utility model;

[0022] Figure 2 for Figure 1 A schematic diagram of a stator mounting structure and an exploded structure of a fan is shown;

[0023] Figure 3 for Figure 1 A schematic diagram of the structure of a stator mounting structure and a winding frame of a fan is shown;

[0024] Figure 4 for Figure 1 A schematic diagram of a stator mounting structure and a partial structure of a fan is shown.

[0025] Figure markings: 100-outer frame, 110-winding frame, 120-silicon steel sheet, 130-center tube, 140-center hole, 150-buckle portion, 160-slot, 170-positioning portion, 180-positioning slot, 190-connecting tube portion, 200-copper tube portion, 210-abutment surface, 220-guide surface, 230-step, 240-installation section, 250-accommodation section, 260-connecting plate portion. DETAILED DESCRIPTION

[0026] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0027] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0028] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0029] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0030] A stator mounting structure and a fan according to an embodiment of the utility model are described below in conjunction with the accompanying drawings.

[0031] Reference Figure 1 and Figure 4 A fan of an embodiment of the utility model includes a stator mounting structure, the stator includes an outer frame 100, a winding frame 110 and a silicon steel sheet 120, the winding frame 110 is fixed to the outer frame 100, the silicon steel sheet 120 is arranged on the winding frame 110, the outer frame 100 is provided with a center tube 130, a center hole 140 is provided between the winding frame 110 and the silicon steel sheet 120, the center hole 140 accommodates the center tube 130, and is characterized in that it includes a buckle assembly and a positioning assembly, the buckle assembly includes a buckle portion 150 arranged on the inner wall of the center hole 140, and a clamping groove 160 arranged on the radial outer surface of the center tube 130, the buckle portion 150 is buckled with the clamping groove 160, the positioning assembly includes a positioning portion 170 arranged on the radial outer surface of the center tube 130, and a positioning groove 180 arranged on the inner wall of the center hole 140, and the positioning groove 180 accommodates the positioning portion 170.

[0032] It should be noted that the silicon steel sheet 120 is placed in a mold, and the mold is injection molded to form the winding frame 110, so that the silicon steel sheet 120 and the winding frame 110 are integrated.

[0033] In some embodiments of the present invention, referring to Figure 2 The central tube 130 includes a connecting tube portion 190 formed by the outer frame 100 and a copper tube portion 200 connected to the connecting tube portion 190 . The card slot 160 is arranged at one end of the copper tube portion 200 away from the connecting tube portion 190 .

[0034] Therefore, the connecting tube part 190 can be integrally formed with the outer frame 100 by injection molding. The copper tube part 200 is made of copper metal, and the slot 160 can be manufactured in the copper tube part 200 by machining, thereby avoiding the method of integrally forming the copper tube part 200 with the outer frame 100 by injection molding, and also avoiding the problem that the mold of the outer frame 100 is difficult to manufacture and difficult to realize.

[0035] Moreover, the slot 160 is disposed at one end of the copper tube portion 200 away from the connecting tube portion 190 , which is helpful to reduce the contact between the buckle portion 150 and the copper tube portion 200 when the winding frame 110 is assembled, making the winding frame 110 easier to assemble.

[0036] In some embodiments of the present invention, the buckle portion 150 is provided with an abutment surface 210 , which is bent and inclined, and the end of the copper tube portion 200 is provided with a guide surface 220 , which is used to abut against the guide surface 220 .

[0037] Therefore, when the winding frame 110 is assembled, the curved and inclined abutting surface 210 contacts the guiding surface 220 of the copper tube portion 200 , so that the buckle portion 150 and the slot 160 can be easily engaged, thereby improving the assembly efficiency of the winding frame 110 .

[0038] In some embodiments of the utility model, a step 230 is provided on the radial outer surface of the connecting tube portion 190, and the end face of the silicon steel sheet 120 abuts against the step 230. Therefore, the step 230 can limit the silicon steel sheet 120 and also limit the winding frame 110, which is beneficial to further prevent the stator from loosening.

[0039] In some embodiments of the present invention, the positioning portion 170 is disposed on the step 230 , and thus the positioning portion 170 can be manufactured together with the outer frame 100 by injection molding, which is simple to produce.

[0040] In some embodiments of the present invention, referring to Figure 1 and Figure 3 The center hole 140 includes a mounting section 240 disposed on the silicon steel sheet 120, and the copper tube portion 200 cooperates with the mounting section 240 and is connected by glue, thereby further improving the bonding force and pulling force of the stator.

[0041] In some embodiments of the present invention, the positioning groove 180 is disposed on the mounting section 240 and extends along the axial direction of the central hole 140 to ensure that the positioning groove 180 and the positioning portion 170 are smoothly matched and positioned.

[0042] In some embodiments of the present invention, referring to Figure 3 The center hole 140 includes a receiving section 250 arranged on the winding frame 110, and the buckle portion 150 is provided with a plurality of buckle portions 150. The plurality of buckle portions 150 are distributed along the circumference of the center hole 140 and are arranged on the receiving section 250, thereby improving the connection strength between the buckle portion 150 and the slot 160.

[0043] In some embodiments of the present invention, the buckle portion 150 is provided with a connecting plate portion 260, and the buckle portion 150 is arranged in the accommodating section 250 through the connecting plate portion 260, so that the buckle portion 150 can achieve elastic deformation, thereby avoiding the problem of the buckle portion 150 breaking during the installation of the winding frame 110.

[0044] Therefore, this embodiment has the following effects:

[0045] 1. The utility model provides a buckle portion 150 and a slot 160. The buckle portion 150 is provided on the inner wall of the center hole 140, so that the buckle portion 150 and the winding frame 110 are integrally injection molded, and the production and manufacturing are relatively easy; the slot 160 is provided on the outer surface of the center tube 130, and the center tube 130 and the outer frame 100 can be a split design. Therefore, the slot 160 of the center tube 130 can be machined, avoiding the use of the center tube 130 and the outer frame 100 integrally injection molded manufacturing method, and also avoiding the problem that the injection mold of the outer frame 100 is difficult to manufacture.

[0046] 2. The utility model engages the buckle portion 150 and the slot 160 so that the winding frame 110 and the central tube 130 of the outer frame 100 are combined together. Therefore, on the one hand, the winding frame 110 and the outer frame 100 form a whole, and the stator is not easy to loosen, which is conducive to solving the technical problems of product automation line, improving installation efficiency and reducing costs. On the other hand, the stator is not easy to separate from the outer frame 100, which improves the bonding force and pulling force of the fan, solves the problem that the fan with high speed and large torque is easy to cause the winding frame 110 to loosen, and greatly improves the reliability of the product.

[0047] 3. The utility model provides a positioning portion 170 and a positioning groove 180. The positioning groove 180 can accommodate the positioning portion 170, thereby preventing the winding frame 110 from rotating on the central tube 130 and avoiding the method of fixing the winding frame 110 only with glue. Therefore, on the one hand, the position displacement of the winding frame 110 during the assembly process is avoided, further solving the technical difficulties of the product assembly line. On the other hand, it plays a fool-proof function, improves assembly efficiency, avoids the problem of assembly errors of the winding frame 110, improves installation efficiency, and reduces the occurrence of defective products.

[0048] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0049] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A stator installation structure, the stator comprising an outer frame (100), a winding frame (110) and a silicon steel sheet (120), the winding frame (110) being fixed to the outer frame (100), the silicon steel sheet (120) being arranged on the winding frame (110), the outer frame (100) being provided with a center tube (130), a center hole (140) being provided between the winding frame (110) and the silicon steel sheet (120), the center hole (140) accommodating the center tube (130), characterized in that: The invention comprises a snap assembly and a positioning assembly, wherein the snap assembly comprises a snap portion (150) arranged on the inner wall of a center hole (140) and a slot (160) arranged on the radial outer surface of the center tube (130), wherein the snap portion (150) is engaged with the slot (160), and the positioning assembly comprises a positioning portion (170) arranged on the radial outer surface of the center tube (130) and a positioning slot (180) arranged on the inner wall of the center hole (140), wherein the positioning slot (180) accommodates the positioning portion (170).

2. A stator mounting structure according to claim 1, characterized in that: The central tube (130) comprises a connecting tube portion (190) formed by the outer frame (100) and a copper tube portion (200) connected to the connecting tube portion (190), and the clamping groove (160) is arranged at one end of the copper tube portion (200) away from the connecting tube portion (190).

3. A stator mounting structure according to claim 2, characterized in that: The buckle portion (150) is provided with an abutment surface (210), the abutment surface (210) is bent and inclined, and the end of the copper tube portion (200) is provided with a guide surface (220), the abutment surface (210) is used to abut against the guide surface (220).

4. A stator mounting structure according to claim 2, characterized in that: A step (230) is provided on the radial outer surface of the connecting pipe portion (190), and the end surface of the silicon steel sheet (120) abuts against the step (230).

5. A stator mounting structure according to claim 4, characterized in that: The positioning portion (170) is disposed on the step (230).

6. A stator installation structure according to claim 2, characterized in that: The central hole (140) comprises a mounting section (240) arranged on the silicon steel sheet (120), and the copper tube portion (200) cooperates with the mounting section (240) and is connected with glue.

7. A stator installation structure according to claim 6, characterized in that: The positioning groove (180) is arranged on the mounting section (240) and extends along the axial direction of the central hole (140).

8. A stator installation structure according to claim 1, characterized in that: The central hole (140) comprises a receiving section (250) arranged on the winding frame (110), and a plurality of the buckle parts (150) are arranged, and the plurality of the buckle parts (150) are distributed along the circumference of the central hole (140) and are arranged on the receiving section (250).

9. A stator installation structure according to claim 8, characterized in that: The buckle portion (150) is provided with a connecting plate portion (260), and the buckle portion (150) is arranged on the accommodating section (250) through the connecting plate portion (260).

10. A fan, characterized in that: A stator mounting structure comprising any one of claims 1 to 9.

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