Micro motor easy to disassemble and assemble

Abstract

The utility model belongs to the technical field of motors, and particularly relates to a miniature motor easy to disassemble and assemble, which comprises a casing provided with a stator and a rotor, a front end cover and a rear end cover are respectively mounted on two axial sides of the casing, a plurality of connecting rods are arranged on the inner circumference of the casing, and two ends of each connecting rod respectively extend out of the casing to form clamping hooks. Clamping holes matched with the clamping hooks are formed in the front end cover and the rear end cover, and a first mounting groove used for mounting a stator is formed between every two adjacent connecting rods; the connecting rod is installed in the machine shell, the two ends of the connecting rod extend out of the machine shell to form the clamping hooks, and the clamping holes matched with the clamping hooks are formed in the front end cover and the rear end cover, so that the machine shell is clamped with the front end cover and the rear end cover in a buckling mode, operation is convenient and fast, disassembly and assembly are easy, tools are not needed, and cost is reduced. And the convenience of assembly and maintenance is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to motor technical field especially relates to a micro motor easy to dismount. BACKGROUND

[0002] The micro motor is usually a small volume motor, also called micro motor or micro motor, which is applied to various fields. The traditional micro motor usually adopts bolts to connect and fix the end cover and the shell. Because the micro motor is small in size, the bolts used for fixing are also small, which easily causes inconvenience in dismounting the micro motor.

[0003] For example, Chinese patent application No. (2023236453189) discloses a micro motor easy to dismount, which connects and fixes the cylinder body, the first end cover and the second end cover through two movable limiting sleeve blocks. However, it still needs to be fastened with fastening bolts, which not only needs to use a wrench and other tools, but also causes inconvenience in installing the small fastening bolts. UTILITY MODEL CONTENTS

[0004] The utility model aims at the above-mentioned technical problems, and provides a micro motor easy to dismount, which can be conveniently dismounted without tools.

[0005] Therefore, the utility model provides a micro motor easy to dismount, which comprises:

[0006] The shell is internally installed with a stator and a rotor;

[0007] The end cover comprises a front end cover and a rear end cover, and is respectively installed on the axial two sides of the shell;

[0008] The connecting rod is installed in the shell and is circumferentially provided with multiple connecting rods, and the two ends of the connecting rod extend out of the shell to form a hook;

[0009] The front end cover and the rear end cover are both provided with a clamping hole matched with the hook, and the first installation groove for installing the stator is formed between the two adjacent connecting rods.

[0010] In the above technical solution, further:

[0011] The side surface of the connecting rod close to the stator and the inner wall of the first installation groove form a first clamping groove;

[0012] The two ends of the stator are matched with the first clamping groove, and the included angle of the two side surfaces of the first clamping groove is an acute angle.

[0013] In the above technical solution, further:

[0014] After the hook is clamped with the clamping hole, the two side surfaces of the hook and the inner wall of the clamping hole are in a static friction state;

[0015] The locating hole and the connecting rod have the same shape on the radial surface.

[0016] In the above technical solution, further:

[0017] Sealing gaskets are provided between both ends of the casing and the front and rear covers.

[0018] Furthermore, the above technical solution also includes:

[0019] Multiple heat dissipation fins are arranged in a circular pattern around the casing at equal intervals.

[0020] The heat dissipation fins are detachably connected to the surface of the casing.

[0021] In the above technical solution, further:

[0022] The radial cross-section of the heat dissipation fins is T-shaped, and both the front and rear covers extend towards one side of the heat dissipation fins to form multiple locking blocks;

[0023] Among them, a second slot is formed between two adjacent card blocks to match the heat dissipation fins.

[0024] In the above technical solution, further:

[0025] The surface of the casing has a second mounting groove that is compatible with the heat dissipation fins.

[0026] In the above technical solution, further:

[0027] The front cover has three fixing blocks spaced at equal intervals around its circumference, and each fixing block has a mounting hole.

[0028] The front cover and three fixing blocks form an equilateral triangle structure.

[0029] The beneficial effects of this utility model are as follows:

[0030] 1. By installing a connecting rod inside the housing, with both ends of the connecting rod extending out of the housing to form hooks, and by opening snap holes on the front and rear covers to match the hooks, the housing is snapped together with the front and rear covers. This makes it easy to operate, disassemble and assemble without the need for tools, effectively improving the convenience of assembly and maintenance.

[0031] 2. At the same time, the first mounting groove for installing the stator is formed between two adjacent connecting rods, which simplifies the structure. That is, the connecting parts between the housing and the front cover and the rear cover, as well as the fixing parts of the stator, can be made using connecting rods, which simplifies the structure of the micro motor and improves the ease of assembly.

[0032] 3. By forming a first slot with an acute angle between the side of the connecting rod and the inner wall of the first mounting groove, the installation stability of the stator is effectively improved;

[0033] 4. By using a sealing gasket, not only is the sealing performance of the connection improved, but the elasticity of the sealing gasket also enhances the connection strength between the hook and the hole.

[0034] 5. The detachable connection of the heat dissipation fins makes it easy to replace the entire casing when a single heat dissipation fin is damaged, effectively reducing maintenance costs. At the same time, the use of clips on the front and rear covers to fix the two ends of the heat dissipation fins effectively improves the convenience of assembling multiple heat dissipation fins. Attached Figure Description

[0035] Figure 1 This is a schematic diagram of the structure of this utility model;

[0036] Figure 2 This is a side view of the present invention;

[0037] Figure 3 This is a utility model Figure 2 Sectional view at point AA;

[0038] Figure 4 This is a utility model Figure 3 Enlarged view of point B in the middle;

[0039] Figure 5 This is an exploded view of the present invention;

[0040] The markings in the diagram are as follows: 1. Housing; 2. Stator; 3. Rotor; 4. Front cover; 5. Rear cover; 6. Connecting rod; 7. Hook; 8. Hole; 9. First mounting slot; 10. First slot; 11. Sealing gasket; 12. Heat dissipation fins; 13. Block; 14. Second slot; 15. Second mounting slot; 16. Fixing block; 17. Mounting hole. Detailed Implementation

[0041] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0042] Example 1:

[0043] This embodiment provides a miniature motor that is easy to assemble and disassemble, including:

[0044] The housing 1 contains the stator 2 and the rotor 3;

[0045] End caps, including a front end cap 4 and a rear end cap 5, are respectively installed on both axial sides of the housing 1;

[0046] Connecting rod 6 is installed inside the housing 1, and multiple rods are arranged around the circumference, with both ends extending out of the housing 1 to form hooks 7;

[0047] Both the front cover 4 and the rear cover 5 are provided with snap holes 8 that are adapted to the snap hooks 7, and a first mounting groove 9 for installing the stator 2 is formed between two adjacent connecting rods 6.

[0048] Meanwhile, the connecting rod 6 and the housing 1 are fixedly connected. The specific fixed connection method depends on the material of the connecting rod 6 and the housing 1. This is a mature existing technology. Those skilled in the art can select the specific fixed connection method according to the specific material, so it will not be elaborated here.

[0049] As can be seen from this embodiment, by installing a connecting rod 6 inside the housing 1, and having both ends of the connecting rod 6 extend out of the housing 1 to form hooks 7, and by opening locking holes 8 on the front cover 4 and the rear cover 5 that are compatible with the hooks 7, the housing 1 is connected to the front cover 4 and the rear cover 5 by a snap-fit ​​method. This makes the operation convenient, easy to disassemble and assemble, and does not require tools, thus effectively improving the convenience of assembly and maintenance.

[0050] Meanwhile, the first mounting groove 9 for mounting the stator 2 is formed between two adjacent connecting rods 6, which simplifies the structure. That is, the connecting rods 6 are sufficient for the connection between the housing 1 and the front cover 4 and the rear cover 5 and the fixing parts of the stator 2, which simplifies the structure of the micro motor and improves the ease of assembly.

[0051] Example 2:

[0052] This embodiment provides a miniature motor that is easy to assemble and disassemble. In addition to the technical solutions of the above embodiments, it also has the following technical features:

[0053] A first slot 10 is formed between the side of the connecting rod 6 near the stator 2 and the inner wall of the first mounting groove 9;

[0054] Among them, the two ends of the stator 2 are adapted to the first slot 10, and the included angle between the two sides of the first slot 10 is an acute angle;

[0055] Meanwhile, the inner wall of the first mounting groove 9 is arc-shaped. That is to say, the included angle between the two sides of the first slot 10 refers to the included angle between the tangent plane of the inner wall of the first mounting groove 9 and the side of the connecting rod 6, and this included angle can be 70°-85°.

[0056] As can be seen from this embodiment, by forming a first slot 10 with an acute angle between the side of the connecting rod 6 and the inner wall of the first mounting slot 9, the installation stability of the stator 2 is effectively improved, so that the connecting rod 6 can effectively restrict the stator 2 within the first mounting slot 9.

[0057] Example 3:

[0058] This embodiment provides a miniature motor that is easy to assemble and disassemble. In addition to the technical solutions of the above embodiments, it also has the following technical features:

[0059] After the hook 7 engages with the hole 8, the two sides of the hook 7 are in a state of static friction with the inner wall of the hole 8.

[0060] Among them, the locating hole 8 and the connecting rod 6 have the same shape on the radial surface;

[0061] Meanwhile, when the hook 7 and the hole 8 are engaged in a static friction state, there is static friction between the two sides of the hook 7 and the inner wall of the hole 8. In other words, this static friction can prevent the connecting rod 6 from bending at both ends of the hook 7 to a certain extent.

[0062] As can be seen from this embodiment, since the angle between the inner wall tangent plane of the first mounting groove 9 and the side of the connecting rod 6 is an acute angle, that is, the two sides of the connecting rod 6 are inclined, and the locking hole 8 and the connecting rod 6 have the same shape on the radial plane, and the inner walls on both sides of the locking hole 8 are also inclined, after the locking hook 7 is manually moved, the gap between the surface of the locking hook 7 and the inner wall of the locking hole 8 can be increased, thereby improving the convenience of moving the locking hook 7.

[0063] The two sides of the hook 7 are in a state of static friction with the inner wall of the hole 8. After the hook 7 and the hole 8 are engaged, there is static friction, which can reduce the bending of the connecting rod 6 at both ends of the hook 7 due to vibration and other reasons, thus reducing the impact on the connection stability between the hook 7 and the hole 8.

[0064] Example 4:

[0065] This embodiment provides a miniature motor that is easy to assemble and disassemble. In addition to the technical solutions of the above embodiments, it also has the following technical features:

[0066] Sealing gaskets 11 are provided between both ends of the housing 1 and the front cover 4 and the rear cover 5;

[0067] Among them, the sealing gasket 11 can be made of rubber.

[0068] As can be seen from this embodiment, by setting the sealing gasket 11, not only is the sealing performance of the connection improved, but the elasticity of the sealing gasket 11 also improves the connection strength between the hook 7 and the hole 8.

[0069] Example 5:

[0070] This embodiment provides a micro motor that is easy to assemble and disassemble. In addition to the technical solutions of the above embodiments, it also has the following technical features, and further includes:

[0071] Multiple heat dissipation fins 12 are provided and are arranged around the casing 1 at equal intervals around the circumference;

[0072] The heat dissipation fins 12 are detachably connected to the surface of the housing 1;

[0073] Meanwhile, the heat dissipation fins 12 can be made of metals with good thermal conductivity, such as copper and aluminum.

[0074] As can be seen from this embodiment, the heat dissipation effect of the housing 1 can be effectively improved by setting the heat dissipation fins 12, avoiding the internal temperature of the micro motor from being too high and affecting its use. The detachable connection of the heat dissipation fins 12 makes it convenient that if a single heat dissipation fin 12 is damaged, the entire housing 1 does not need to be replaced, effectively reducing maintenance costs.

[0075] Example 6:

[0076] This embodiment provides a miniature motor that is easy to assemble and disassemble. In addition to the technical solutions of the above embodiments, it also has the following technical features:

[0077] The radial cross-section of the heat dissipation fin 12 is T-shaped, and both the front cover 4 and the rear cover 5 extend toward one side of the heat dissipation fin 12 to form multiple locking blocks 13;

[0078] Among them, a second slot 14 is formed between two adjacent card blocks 13 to match the heat dissipation fins 12.

[0079] As can be seen from this embodiment, the two ends of the heat dissipation fins 12 are fixed by the locking blocks 13 on the front cover 4 and the rear cover 5, that is, the heat dissipation fins 12 are fixed by the two adjacent locking blocks 13 of the second locking slot 14, which effectively improves the convenience of assembling multiple heat dissipation fins 12.

[0080] The specific installation process is as follows: First, install the rear cover 5 or the front cover 4 to the casing 1. Then, insert one end of each of the multiple heat dissipation fins 12 into the second slot 14 between the multiple locking blocks 13 formed by the rear cover 5 or the front cover 4. Then, install the front cover 4 or the rear cover 5. At the same time, when replacing a partially damaged heat dissipation fin 12, only the front cover 4 or the rear cover 5 needs to be removed to take out the damaged heat dissipation fin 12. It is not necessary to remove both the front cover 4 and the rear cover 5, which effectively improves convenience.

[0081] Example 7:

[0082] This embodiment provides a miniature motor that is easy to assemble and disassemble. In addition to the technical solutions of the above embodiments, it also has the following technical features:

[0083] The surface of the housing 1 is provided with a second mounting groove 15 that is compatible with the heat dissipation fins 12.

[0084] As can be seen from this embodiment, by opening a second mounting groove 15 on the surface of the housing 1 that is compatible with the heat dissipation fins 12, the stability and installation accuracy of the heat dissipation fins 12 can be improved, making it easier for the heat dissipation fins 12 to be aligned with the second slot 14, and effectively improving the ease of assembly.

[0085] On the other hand, a reinforcing rib is formed between two adjacent second mounting slots 15, which can effectively ensure the structural strength of the housing 1.

[0086] Example 8:

[0087] This embodiment provides a miniature motor that is easy to assemble and disassemble. In addition to the technical solutions of the above embodiments, it also has the following technical features:

[0088] The front cover 4 has three fixing blocks 16 evenly spaced around its circumference, and the fixing blocks 16 have mounting holes 17.

[0089] The front cover 4 and the three fixing blocks 16 form an equilateral triangle structure.

[0090] As can be seen from this embodiment, by setting three fixing blocks 16 integrally with the front cover 4 and forming an equilateral triangle structure, the structural strength of the micro motor in the radial direction after installation is effectively improved, ensuring the stability of the micro motor during use.

[0091] The embodiments of this application have been described above with reference to the accompanying drawings. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. This application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A miniature motor that is easy to assemble and disassemble, characterized in that, include: The casing (1) contains a stator (2) and a rotor (3). End caps, including a front end cap (4) and a rear end cap (5), are respectively installed on both sides of the housing (1) axially; Connecting rod (6) is installed inside the housing (1) and multiple rods are arranged around the circumference, with both ends extending out of the housing (1) to form hooks (7); The front end cover (4) and the rear end cover (5) are provided with a card hole (8) that is adapted to the card hook (7), and a first mounting groove (9) for installing the stator (2) is formed between two adjacent connecting rods (6).

2. The easily detachable miniature motor according to claim 1, characterized in that: The connecting rod (6) forms a first slot (10) between the side of the stator (2) and the inner wall of the first mounting groove (9); The stator (2) is adapted to the first slot (10) at both ends, and the included angle between the two sides of the first slot (10) is an acute angle.

3. The easily detachable micro motor according to claim 2, characterized in that: After the hook (7) engages with the hole (8), the two sides of the hook (7) are in a static friction state with the inner wall of the hole (8); The card hole (8) and the connecting rod (6) have the same shape on the radial surface.

4. The easily detachable miniature motor according to claim 1, characterized in that: Sealing gaskets (11) are provided between both ends of the housing (1) and the front cover (4) and the rear cover (5).

5. The easily detachable miniature motor according to claim 1, characterized in that, Also includes: Multiple heat dissipation fins (12) are provided and are arranged around the casing (1) at equal intervals around the circumference; The heat dissipation fins (12) are detachably connected to the surface of the housing (1).

6. The easily detachable micro motor according to claim 5, characterized in that: The radial cross section of the heat dissipation fins (12) is T-shaped, and both the front end cover (4) and the rear end cover (5) extend toward one side of the heat dissipation fins (12) to form multiple locking blocks (13); Among them, a second slot (14) adapted to the heat dissipation fins (12) is formed between two adjacent card blocks (13).

7. The easily detachable micro motor according to claim 6, characterized in that: The surface of the housing (1) is provided with a second mounting groove (15) that is adapted to the heat dissipation fins (12).

8. The easily detachable miniature motor according to claim 1, characterized in that: The front cover (4) is provided with three fixing blocks (16) at equal intervals around its circumference, and the fixing blocks (16) are provided with mounting holes (17); The front cover (4) and the three fixing blocks (16) form an equilateral triangle structure.

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