Stator framework for direct current motor

Abstract

The utility model discloses a stator framework for a direct current motor, which comprises a limit framework, an upper coiling framework and a lower coiling framework, the upper coiling framework is attached to the upper portion of the limit framework in an inserted mode, the lower coiling framework is attached to the lower portion of the limit framework in an inserted mode, and the upper coiling framework and the lower coiling framework are installed in an inserted mode. According to the stator framework for the direct current motor, through modular design and a plug-in type structure, the assembling convenience is remarkably improved, the upper coiling framework and the lower coiling framework are accurately plugged in the slots of the limiting framework through the limiting plug board and the butt joint plug board, the assembling process is simplified, the production complexity is reduced, meanwhile, the supporting seat and the limiting seat of the limiting framework provide dual positioning, and the assembling efficiency is improved. According to the technical scheme, stable combination is ensured, the annular structure and the split type design of the limiting framework enhance the overall rigidity, reduce the vibration influence and prolong the service life of the motor, in addition, the split type structure facilitates independent machining and maintenance and reduces the manufacturing cost, and the modular design further improves the universality of the product and meets the requirements of wire sets of different specifications.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field technical field of electric appliance, concretely is a stator framework for direct current motor. BACKGROUND

[0002] The direct current motor stator framework is a key component for supporting and fixing the winding, and the structural design thereof directly affects the performance and reliability of the motor. The traditional stator framework is mostly of an integrated structure or a simple split design, which has problems such as complex assembly, low production efficiency, insufficient stability of the winding, and difficult maintenance.

[0003] According to the authorized announcement number CN 214013980 U, a variable frequency generator stator split type insulation framework is disclosed. The variable frequency generator stator split type insulation framework comprises a stator core, an insulation framework, a fixing assembly and an enameled wire, the insulation framework is installed on the stator core, and the insulation framework comprises a framework main body, an outer wall and an inner wall, the outer wall is integrally formed on one end of the framework main body, the inner wall is integrally formed on the other end of the framework main body, the outer wall and the inner wall and the outer part of the framework main body form a winding slot, the outer wall, the inner wall and the inner part of the framework main body form a core slot, the inner wall is provided with an extended core pressing plate, and the core pressing plate is provided with a positioning groove.

[0004] Although the split type framework design has appeared in the prior art, the modular assembly is realized through the buckle or plug-in structure, but there are still defects such as insufficient plug-in precision, single limiting structure, poor overall rigidity, easy loosening during high-speed operation, etc. Therefore, a stator framework for a direct current motor is needed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a stator framework for a direct current motor, which guarantees the product strength and improves the convenience of assembly by setting the limiting framework and the upper and lower wire winding frameworks, so as to solve the technical problems mentioned in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a stator framework for a direct current motor, comprising a limiting framework, an upper wire winding framework inserted and installed on the upper part of the limiting framework, and a lower wire winding framework inserted and installed on the lower part of the limiting framework, the upper wire winding framework and the lower wire winding framework are inserted and installed;

[0007] The upper wire winding framework comprises a mounting disc mounted on the limiting framework, and a plurality of groups of first winding frames mounted on the upper surface of the mounting disc, and a group of limiting plug-in plates is mounted on the lower surface of the mounting disc corresponding to the adjacent two groups of first winding frames;

[0008] The lower winding skeleton comprises a chassis mounted on the limiting skeleton, a plurality of groups of second winding frames are mounted on the lower surface of the chassis corresponding to each group of first winding frames, and a group of butt joint plug-in boards are mounted on the upper surface of the chassis corresponding to adjacent inner steel balls of the second winding frames.

[0009] Preferably, the limiting skeleton is in a ring structure as a whole, and a plurality of groups of supporting seats are mounted on the inner wall of the limiting skeleton with equal curvature, a group of insertion grooves is formed between two adjacent groups of the supporting seats, a group of limiting seats is mounted at the end of each group of the supporting seats, and the limiting seats of two adjacent groups are not in contact.

[0010] Preferably, a plurality of groups of first mounting seats are mounted on the upper surface of the mounting disc with equal curvature, each group of the first winding frames is connected with a corresponding group of the first mounting seats, and a group of baffle plates is mounted at the end of each group of the first winding frames.

[0011] Preferably, a plurality of groups of air holes are formed in the baffle plates corresponding to the mounting positions of each group of the first winding frames on the outer curved surface of the mounting disc, and a group of heat dissipation air inlets is formed on the upper surface of each group of the first mounting seats.

[0012] Preferably, each group of the limiting plug-in boards is inserted into the corresponding insertion groove, and each group of the baffle plates is attached to the surface of the corresponding limiting seat.

[0013] Preferably, a plurality of groups of second mounting seats are mounted on the lower surface of the chassis with equal curvature, each group of the second winding frames is mounted on the second mounting seat, each group of the butt joint plug-in boards is inserted into the corresponding insertion groove and is plug-in mounted with the limiting plug-in board, and each group of the second winding frames is attached to the surface of the limiting seat.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] The stator skeleton for the direct current motor is designed in a modularized mode and has a plug-in structure, the assembly convenience is remarkably improved, the upper and lower winding skeletons are precisely plug-in mounted with the limiting skeleton through the limiting plug-in boards and the butt joint plug-in boards and the insertion grooves of the limiting skeleton, the assembly process is simplified and the production complexity is reduced, meanwhile, the supporting seats and the limiting seats of the limiting skeleton provide double positioning, the stable combination is ensured, the ring structure and the split type design of the limiting skeleton enhance the overall rigidity, the vibration influence is reduced, the motor service life is prolonged, in addition, the split type structure is convenient for separate machining and maintenance, the manufacturing cost is reduced, the modularized design also improves the universality of the product, different specifications of wire groups can be adapted, and the assembly efficiency, the operation reliability and the heat dissipation performance of the stator skeleton are comprehensively improved, and the stator skeleton is suitable for high-precision direct current motor applications. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a split schematic diagram of the overall structure of the utility model;

[0018] Figure 3 It is the whole structure schematic diagram of the limiting framework of the utility model;

[0019] Figure 4 It is the whole structure schematic diagram of the mounting disc of the utility model;

[0020] Figure 5 It is the whole structure schematic diagram of the bottom disc of the utility model.

[0021] In the drawing: 1, limiting framework; 2, support seat; 3, limiting seat; 4, mounting disc; 5, first mounting seat; 6, first winding frame; 7, baffle; 8, limiting plugboard; 9, air hole; 10, heat dissipation air hole; 11, bottom disc; 12, second mounting seat; 13, second winding frame; 14, butt plugboard. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be apparently and completely described below with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of protection of the utility model.

[0023] As Figures 1-5 Indicated, the utility model provides a kind of stator framework for DC motor, including limiting framework 1, and the upper winding framework of upper insertion installation of sticking limiting framework 1 and the lower winding framework of lower insertion installation of sticking limiting framework 1, upper winding framework and lower winding framework insertion installation, limiting framework 1 is positioned to upper winding framework and lower winding framework, so that framework whole can be more conveniently combined and used.

[0024] Upper winding framework includes the mounting disc 4 of sticking limiting framework 1 installation, and the first winding frame 6 of several groups installed on the upper surface of mounting disc 4, the lower surface of mounting disc 4 corresponds to the first winding frame 6 of adjacent two groups respectively installs a group of limiting plugboard 8, and mounting disc 4 is completed with the insertion of limiting framework 1 by limiting plugboard 8, so that the first winding frame 6 of setting can be stably stuck to limiting framework 1 and be positioned to use, can better be cooperated with second winding frame 13 and complete the limiting of wire group.

[0025] Lower winding framework includes the bottom disc 11 of sticking limiting framework 1 installation, and the second winding frame 13 of several groups is installed on the lower surface of bottom disc 11 corresponding each group first winding frame 6, and the upper surface of bottom disc 11 corresponds to the second winding frame 13 of adjacent to install a group of butt plugboard 14, and the butt plugboard 14 of installation on the upper surface of bottom disc 11 is inserted into the inside of limiting framework 1, so that upper winding framework and lower winding framework can be stably spliced and used, greatly improve the convenience of wire group winding.

[0026] The whole of the limiting framework 1 is annular structure, and a plurality of groups of support seats 2 are installed on the inner wall of the limiting framework 1 with the same curvature, a group of insertion slots is formed between the adjacent two groups of support seats 2, a group of limiting seats 3 is respectively installed at the end of each group of support seats 2, and the adjacent two groups of limiting seats 3 are not in contact, the support seats 2 and the limiting seats 3 arranged inside the limiting framework 1 serve as limiting and supporting structure, which can stably limit the upper and lower wire winding frameworks, so that the upper and lower wire winding frameworks can be used in cooperation, and production and combination are more convenient.

[0027] A plurality of groups of first mounting seats 5 are installed on the upper surface of the mounting disc 4 with the same curvature, each group of first winding frame 6 is connected with a corresponding group of first mounting seat 5, and a group of baffle plates 7 is installed at the end of each group of first winding frame 6, the first mounting seat 5 installed on the upper surface of the mounting disc 4 and the baffle plate 7 at the end of the first winding frame 6 cooperate to limit the winding wire group, avoiding the wire group from being separated in the winding process, greatly improving the stability of the wire group winding.

[0028] The air holes 9 are provided on the outer arc surface of the mounting disc 4 corresponding to the installation positions of each group of first winding frame 6 and penetrate the baffle plate 7, and a group of heat dissipation air holes 10 is provided on the upper surface of each group of first mounting seat 5, the air holes 9 provided on the outer arc surface of the mounting disc 4 can ensure that external air enters to avoid wind resistance generated when the stator and the rotor cooperate to rotate, and at the same time improve the heat dissipation of the whole framework.

[0029] It is worth mentioning that each group of limiting insertion plate 8 is inserted into the corresponding insertion slot, and each group of baffle plate 7 is attached to the surface of the corresponding limiting seat 3, the limiting insertion plate 8 is inserted into the insertion slot to fix the position of the upper winding framework, and the use of the upper winding framework is ensured.

[0030] Specifically, a plurality of groups of second mounting seats 12 are installed on the lower surface of the bottom disc 11 with the same curvature, each group of second winding frame 13 is attached to the second mounting seat 12, each group of butt joint insertion plate 14 is inserted into the corresponding insertion slot and connected with the limiting insertion plate 8, and each group of second winding frame 13 is attached to the surface of the limiting seat 3, the second mounting seat 12 installed on the lower surface of the bottom disc 11 also plays a shielding role to avoid the wire group from being separated, and in addition, the butt joint insertion plate 14 is arranged to be inserted into the insertion slot to ensure the convenience of splicing the upper and lower winding frameworks.

[0031] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A stator frame for a DC motor, characterized by: The application relates to a winding skeleton, which comprises a limiting skeleton (1), an upper winding skeleton and a lower winding skeleton, the upper winding skeleton is inserted and installed on the upper part of the limiting skeleton (1), and the lower winding skeleton is inserted and installed on the lower part of the limiting skeleton (1). The upper winding skeleton comprises a mounting disc (4) which is installed on the limiting skeleton (1), and a plurality of groups of first winding frames (6) which are installed on the upper surface of the mounting disc (4), a group of limiting insertion plates (8) is installed on the lower surface of the mounting disc (4) and corresponds to two adjacent groups of the first winding frames (6). The lower winding skeleton comprises a bottom disc (11) which is installed on the limiting skeleton (1), a plurality of groups of second winding frames (13) are installed on the lower surface of the bottom disc (11) and correspond to the groups of the first winding frames (6), and a group of butt insertion plates (14) is installed on the upper surface of the bottom disc (11) and corresponds to two adjacent groups of the second winding frames (13).

2. A stator frame for a DC motor according to claim 1, characterized in that: The limiting skeleton (1) is in a ring structure, a plurality of groups of supporting seats (2) are installed on the inner wall of the limiting skeleton (1) and have the same curvature, a group of insertion grooves is formed between two adjacent groups of the supporting seats (2), a group of limiting seats (3) is installed at the end of each group of the supporting seats (2), and two adjacent groups of the limiting seats (3) are not in contact.

3. A stator frame for a DC motor according to claim 2, characterized in that: A plurality of groups of first mounting seats (5) are installed on the upper surface of the mounting disc (4) and have the same curvature, each group of the first winding frames (6) is connected with a corresponding group of the first mounting seats (5), and a group of baffle plates (7) is installed at the end of each group of the first winding frames (6).

4. A stator frame for a DC motor according to claim 3, characterized in that: A plurality of groups of the first mounting seats (5) are installed on the upper surface of the mounting disc (4) and have the same curvature, each group of the first winding frames (6) is connected with a corresponding group of the first mounting seats (5), and a group of baffle plates (7) is installed at the end of each group of the first winding frames (6).

5. A stator frame for a DC motor according to claim 4, characterized in that: Each group of the limiting insertion plates (8) is inserted into the corresponding insertion groove, and each group of the baffle plates (7) is attached to the surface of the corresponding limiting seat (3).

6. A stator frame for a DC motor according to claim 5, characterized in that: A plurality of groups of second mounting seats (12) are installed on the lower surface of the bottom disc (11) and have the same curvature, each group of the second winding frames (13) is attached to the second mounting seat (12), each group of the butt insertion plates (14) is inserted into the corresponding insertion groove and is inserted and installed with the limiting insertion plate (8), and each group of the second winding frames (13) is attached to the surface of the limiting seat (3).

Images