Matching structure of motor upper cover and transmission case

The axial plug-in positioning and elastic snap-in design of the motor cover and transmission box matching structure solves the problem of unstable connection of the drive motor in the electric curtain, achieves stable connection and convenient disassembly and assembly, and improves the safety of motor operation.

CN223472143UActive Publication Date: 2025-10-24HANGZHOU WISTAR MECHANICAL& ELECTRIC TECH CO LTD
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Patent Information

Application Number
CN202422798182.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-15
Publication Date
2025-10-24
Estimated Expiration
2034-11-15

AI Technical Summary

Technical Problem

The connection strength between the driving motor and the transmission box of the existing electric curtain is low, and circumferential rotation is easy to occur, which poses a safety hazard and has poor practicality.

Method used

The motor cover and the transmission box are matched with each other, and the axial plug-in positioning structure and the elastic clip structure are used to ensure the stable connection between the drive motor and the transmission box, including the matching of the positioning column and the positioning groove and the elastic clip assembly to achieve a stable connection.

Benefits of technology

The stability and connection strength of the drive motor and the transmission case are improved, ensuring the safety and convenient disassembly and assembly of the motor during operation.

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Abstract

The utility model relates to a matching structure of a motor upper cover and a transmission case. The connecting structure solves the technical problems that an existing connecting structure is low in connecting strength, prone to circumferential rotation and the like. Comprising a transmission box body and a driving motor arranged on one side of the transmission box body, a motor upper cover is arranged at one end of the driving motor, a transmission box fixing seat is arranged in the transmission box body, and a motor clamping seat is movably arranged on the circumferential inner side of the transmission box fixing seat in the radial direction; one end of the motor upper cover penetrates through the circumferential inner side of the transmission box fixing base and is axially fixed to the motor clamping base through an elastic clamping structure, and an axial insertion positioning structure is arranged between the transmission box fixing base and the motor upper cover. The transmission case has the advantages that the positioning columns are arranged on the transmission case fixing seat through the axial insertion positioning structure, the positioning grooves are formed in the motor upper cover, and the positioning columns are matched with the positioning grooves, so that disassembly and assembly are easy and convenient, positioning is firm and reliable, and when the motor runs, the motor is driven to transmit force to the transmission case body; the transmission case fixing seat and the motor upper cover play a role in rotating torque.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to electric window curtain equipment technical field, concretely relates to a motor upper cover and transmission case cooperation structure. BACKGROUND

[0002] Electric window curtain will set transmission case on one side or both sides of track, then through drive motor and transmission case cooperation, realize drive motor control window curtain's activity, in order to make drive motor installation convenient, the existing electric window curtain has adopted the way of straight insertion and inserts the drive end of drive motor in transmission case, and the installation mode is convenient to disassemble and assemble, but this installation mode is prone to circumferential rotation when drive motor works, and there is a big security risk, and the practicability is poor. SUMMARY

[0003] The utility model discloses a motor upper cover and transmission case cooperation structure can be provided to solve the above problems.

[0004] In order to achieve the above object, the utility model discloses the following technical scheme: a motor upper cover and transmission case cooperation structure, including transmission case body and the drive motor of setting in transmission case body one side, drive motor one end has the motor upper cover of inserting in transmission case body inside and transmission case body is equipped with transmission case fixed base in, transmission case fixed base circumferential inside is radially movable and is equipped with motor clamping seat, and motor upper cover one end passes through transmission case fixed base circumferential inside and is axially fixed with motor clamping seat through elastic clamping structure, transmission case fixed base and motor upper cover are equipped with axial insertion positioning structure between.The transmission case fixed base is positioned with the motor upper cover through the axial insertion positioning structure, and the axial insertion positioning structure plays the role of the rotation torque, can improve the stability of the whole, and the transmission case body and drive motor are fixed through the motor clamping seat and elastic clamping structure, so that the drive motor and transmission case body can be detachably connected.

[0005] In the motor upper cover and transmission case cooperation structure, the transmission case body is open on one side and has a gear cavity on the other side, and a gear cavity cover plate is arranged in the opening to separate the opening and the gear cavity, and a gear shaft hole is formed in the gear cavity cover plate and communicated with the gear cavity. The gear cavity cover plate plays a separating role, thereby ensuring the stable operation of the transmission case body.

[0006] In the motor upper cover and transmission case cooperation structure, the transmission case fixed base is fixedly connected with the gear cavity cover plate, so that the transmission case fixed base is fixed on the circumferential inner side of the opening. It is beneficial to fix the transmission case fixed base, and also ensures the stable connection of the drive motor and the transmission case body.

[0007] In the motor upper cover and transmission box cooperation structure, one end of the transmission box fixing base has a fixed end face, and one end of the motor upper cover has an upper cover end face abutting against the fixed end face.

[0008] In the motor upper cover and transmission box cooperation structure, the axial plug-in positioning structure comprises a plurality of positioning columns arranged on the fixed end face, and the upper cover end face is provided with a plurality of positioning grooves corresponding to the positioning columns, and the positioning columns are respectively plugged into the positioning grooves.

[0009] In the motor upper cover and transmission box cooperation structure, the transmission box fixing base is in the shape of a rectangular frame, and the transmission box fixing base and the gear cavity cover plate form a space for the motor clamping seat to move.

[0010] In the motor upper cover and transmission box cooperation structure, the transmission hole is arranged on the circumferential inner side of the transmission box fixing base, the gear shaft is arranged on the gear cavity cover plate and passes through the gear cavity, and the gear shaft passes through the transmission hole and is plugged into the motor output part arranged on one end of the motor upper cover.

[0011] In the motor upper cover and transmission box cooperation structure, the elastic clamping structure comprises clamping holes arranged at two ends of the transmission hole, the clamping holes are communicated with the transmission hole, the motor upper cover is provided with an output sleeve corresponding to the transmission hole near one end of the transmission box fixing base, the output sleeve is provided with clamping parts corresponding to the clamping holes at two ends, and the elastic clamping assembly is arranged between the motor clamping seat and the clamping parts.

[0012] In the motor upper cover and transmission box cooperation structure, the elastic clamping assembly comprises clamping notches arranged at two ends of the motor clamping seat, the clamping notches are arranged corresponding to the clamping holes, the clamping parts extend into the clamping notches through the clamping holes, one end of the clamping notches is provided with a fixed block, one end of the clamping parts is provided with a clamping block corresponding to the fixed block, the outer side of one end of the clamping notches close to the fixed block is provided with a reset installation groove, and a reset spring is arranged in the reset installation groove.

[0013] In the motor upper cover and transmission box cooperation structure, one end of the motor clamping seat is provided with a pushing part, the outer side of the transmission box body is provided with a circular hole matched with the pushing part, and the circular hole is arranged between the transmission box fixing base and the gear cavity cover plate.

[0014] Compared with the prior art, the motor upper cover and transmission box cooperation structure has the following advantages:

[0015] The device is positioned on the transmission box fixed seat through the axial plug-in positioning structure, a plurality of positioning columns are arranged on the transmission box fixed seat, a plurality of positioning grooves are arranged on the motor upper cover, the positioning column and the positioning groove are matched with each other, the disassembly and assembly are simple, the positioning is firm and reliable, and when the motor operates, the driving motor transmits force to the transmission box body, and the transmission box fixed seat and the motor upper cover play the role of rotary torque. BRIEF DESCRIPTION OF DRAWINGS

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

[0017] Figure 2 It is the structural explosion drawing of the utility model.

[0018] Figure 3 It is the structural section view of the utility model.

[0019] Figure 4 It is the structural schematic diagram of the cage in the utility model.

[0020] Figure 5 It is the structural schematic diagram of the cage in the utility model.

[0021] Figure 6 It is the structural schematic diagram of the cage in the utility model.

[0022] In the drawing: transmission box body 1, transmission box fixed seat 11, motor clamping seat 12, gear cavity cover plate 13, gear shaft hole 14, fixed end surface 15, transmission hole 16, gear shaft 17, pushing part 18, round hole 19, driving motor 2, motor upper cover 21, upper cover end surface 22, motor output part 23, elastic clamping structure 3, clamping hole 31, output sleeve 32, clamping part 33, axial plug-in positioning structure 4, positioning column 41, positioning groove 42, elastic clamping assembly 5, clamping notch 51, fixed block 52, clamping block 53, reset installation groove 54, reset spring 55. DETAILED DESCRIPTION

[0023] The utility model will be further explained in detail in combination with the drawings and specific embodiment.

[0024] As Figures 1-6As shown in the figure, a motor upper cover and transmission box cooperation structure, including transmission box body 1 and set in transmission box body 1 one side drive motor 2, drive motor 2 one end has plug in transmission box body 1 inside motor upper cover 21 and transmission box body 1 inside is equipped with transmission box fixed seat 11, transmission box fixed seat 11 circumferential inside radially movable motor clamping seat 12 is equipped with, and motor upper cover 21 one end passes through transmission box fixed seat 11 circumferential inside and through elastic clamping structure 3 and motor clamping seat 12 axial fixed, transmission box fixed seat 11 and motor upper cover 21 between being equipped with axial plug-in positioning structure 4.Transmission box fixed seat 11 through axial plug-in positioning structure 4 and motor upper cover 21 mutual positioning, axial plug-in positioning structure 4 played the role of rotational torque, can improve the stability of the whole, transmission box body 1 and drive motor 2 between through motor clamping seat 12 and elastic clamping structure 3 fixed, so that drive motor 2 and transmission box body 1 can be dismantled connected.

[0025] As shown in the figure, Figure 3 Transmission box body 1 one side is open and the other side has a gear cavity, and a gear cavity cover plate 13 is arranged in the opening to separate the opening and the gear cavity, and a gear shaft hole 14 is arranged on the gear cavity cover plate 13 to communicate with the gear cavity. The gear cavity cover plate 13 plays a separating role, thereby ensuring the stable operation of the transmission box body 1.

[0026] As shown in the figure, Figure 2 And Figure 3 Transmission box fixed seat 11 is fixedly connected with the gear cavity cover plate 13, so that the transmission box fixed seat 11 is fixed on the circumferential inner side of the opening. It is beneficial to fix the transmission box fixed seat 11, and also ensures the stable connection of the drive motor 2 and the transmission box body 1.

[0027] As shown in the figure, Figure 4 And Figure 5 The transmission box fixed seat 11 has a fixed end surface 15 at one end, and the motor upper cover 21 has an upper cover end surface 22 abutting against the fixed end surface 15. The fixed end surface 15 and the upper cover end surface 22 are in close contact with each other.

[0028] The axial plug-in positioning structure 4 includes a plurality of positioning columns 41 arranged on the fixed end surface 15, and the upper cover end surface 22 is provided with a plurality of positioning grooves 42 corresponding to the positioning columns 41, and the positioning columns 41 are respectively inserted into the positioning grooves 42. The fixed end surface 15 is in contact with the positioning grooves 42 of the upper cover end surface 22 through the positioning columns 41, which plays a pre-positioning role and also plays a rotational torque role.

[0029] As shown in the figure, Figure 2 The transmission box fixed seat 11 is in the shape of a rectangular frame, and a space is formed between one end of the transmission box fixed seat 11 and the gear cavity cover plate 13 for the motor clamping seat 12 to move.

[0030] As shown in the figure, Figure 3and Figure 4 As shown in the figure, the transmission box fixing seat 11 is provided with a transmission hole 16 on the inner side in the circumferential direction, and the gear cavity cover plate 13 is provided with a gear shaft 17 passing through the gear cavity, the gear shaft 17 passes through the transmission hole 16 and is inserted with the motor output part 23 provided at one end of the motor upper cover 21.

[0031] As shown in the figure, Figure 4 , Figure 5 and Figure 6 As shown in the figure, the elastic clamping structure 3 includes clamping holes 31 provided at both ends of the transmission hole 16, the clamping holes 31 are communicated with the transmission hole 16, the motor upper cover 21 is provided with an output sleeve 32 corresponding to the transmission hole 16 at one end close to the transmission box fixing seat 11, the output sleeve 32 is provided with clamping parts 33 corresponding to the clamping holes 31 at both ends, and the motor clamping seat 12 is provided with the elastic clamping assembly 5 between the clamping parts 33.

[0032] The elastic clamping assembly 5 includes clamping notches 51 provided at both ends of the motor clamping seat 12, the clamping notches 51 are provided corresponding to the clamping holes 31, the clamping parts 33 extend into the clamping notches 51 through the clamping holes 31, one end of the clamping notches 51 is provided with a fixed block 52, one end of the clamping parts 33 is provided with a clamping block 53 corresponding to the fixed block 52, the outer side of one end of the clamping notches 51 close to the fixed block 52 is provided with a reset installation groove 54, and the reset installation groove 54 is provided with a reset spring 55.

[0033] As shown in the figure, Figure 3 and Figure 6 As shown in the figure, one end of the motor clamping seat 12 is provided with a pushing part 18, the outer side of the transmission box body 1 is provided with a circular hole 19 matched with the pushing part 18, and the circular hole 19 is arranged between the transmission box fixing seat 11 and the gear cavity cover plate 13.

[0034] The principle of the embodiment is that:

[0035] The transmission box fixing seat 11 is fixedly connected with the gear cavity cover plate 13 of the transmission box body 1, the motor upper cover 21 of the driving motor 2 corresponds to the transmission box fixing seat 11, the upper cover end surface 22 of the motor upper cover 21 is attached to the fixed end surface 15 of the transmission box fixing seat 11, the positioning column 41 on the fixed end surface 15 is arranged in the positioning groove 42 on the upper cover end surface 22, the motor output part 23 is connected with the gear shaft 17, and the clamping part 33 of the driving motor 2 is connected with the fixed block 52 of the motor clamping seat 12, so that the driving motor 2 is fixed with the transmission box body 1.

[0036] The specific embodiments described herein are merely illustrative of the spirit of the utility model. Those skilled in the art to which the utility model belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the utility model or exceed the scope defined by the appended claims.

[0037] Although the transmission box 1, the transmission box fixing seat 11, the motor clamping seat 12, the gear cavity cover plate 13, the gear shaft hole 14, the fixed end surface 15, the transmission hole 16, the gear shaft 17, the pushing part 18, the round hole 19, the driving motor 2, the motor upper cover 21, the upper cover end surface 22, the motor output part 23, the elastic clamping structure 3, the clamping hole 31, the output sleeve 32, the clamping part 33, the axial insertion positioning structure 4, the positioning column 41, the positioning groove 42, the elastic clamping assembly 5, the clamping notch 51, the fixing block 52, the clamping block 53, the reset installation groove 54, the reset spring 55 and other terms are used more in this article, but the possibility of using other terms is not excluded. Using these terms is only to more conveniently describe and explain the essence of the utility model; it is contrary to the spirit of the utility model to interpret them as any kind of additional limitation.

Claims

1. A motor upper cover and transmission case cooperation structure, comprising a transmission case body (1) and a driving motor (2) arranged on one side of the transmission case body (1), one end of the driving motor (2) is provided with a motor upper cover (21) inserted into the inner side of the transmission case body (1), and the transmission case body (1) is provided with a transmission case fixing seat (11) inside, the transmission case fixing seat (11) is radially movably provided with a motor clamping seat (12) on the circumferential inner side, and one end of the motor upper cover (21) passes through the circumferential inner side of the transmission case fixing seat (11) and is axially fixed with the motor clamping seat (12) through an elastic clamping structure (3), characterized in that, The transmission box fixing seat (11) and the motor upper cover (21) are provided with an axial plug-in positioning structure (4).

2. The upper cover and transmission case cooperating structure of an electric machine according to claim 1, characterized in that, The transmission box body (1) is open on one side and has a gear cavity on the other side, and a gear cavity cover plate (13) is arranged in the opening to separate the opening and the gear cavity, and the gear cavity cover plate (13) is provided with a gear shaft hole (14) communicating with the gear cavity.

3. The upper cover and transmission case cooperating structure of an electric machine according to claim 2, characterized in that, The transmission box fixing seat (11) is fixedly connected with the gear cavity cover plate (13), so that the transmission box fixing seat (11) is fixed on the inner side of the opening.

4. The upper cover and transmission case cooperating structure of an electric machine according to claim 1 or 2 or 3, characterized in that, The transmission box fixing seat (11) has a fixed end surface (15) at one end, and the motor upper cover (21) has an upper cover end surface (22) at one end abutting against the fixed end surface (15).

5. The structure of the upper cover of the motor and the transmission case according to claim 4, characterized in that, The axial plug-in positioning structure (4) includes a plurality of positioning columns (41) arranged on the fixed end surface (15), and the upper cover end surface (22) is provided with a plurality of positioning grooves (42) corresponding to the positioning columns (41) one by one, and the positioning columns (41) are respectively plugged into the positioning grooves (42).

6. The upper cover and transmission case cooperating structure of an electric machine according to claim 2, wherein The transmission box fixing seat (11) is in the shape of a rectangular frame, and the transmission box fixing seat (11) and the gear cavity cover plate (13) form a space for the motor clamping seat (12) to move.

7. The structure of the upper cover of the motor and the transmission case according to claim 6, characterized in that, The transmission box fixing seat (11) is provided with a transmission hole (16) on the inner side in the circumferential direction, the gear cavity cover plate (13) is provided with a gear shaft (17) passing through the gear cavity, the gear shaft (17) passes through the transmission hole (16) and is plugged into the motor output portion (23) arranged at one end of the motor upper cover (21).

8. The structure of the upper cover of the motor and the transmission case according to claim 7, characterized in that, The elastic clamping structure (3) includes clamping holes (31) arranged at both ends of the transmission hole (16), the clamping holes (31) communicate with the transmission hole (16), the motor upper cover (21) is provided with an output sleeve (32) corresponding to the transmission hole (16) near one end of the transmission box fixing seat (11), the output sleeve (32) is provided with clamping portions (33) corresponding to the clamping holes (31) at both ends, and the motor clamping seat (12) and the clamping portions (33) are provided with an elastic clamping assembly (5).

9. The structure of the upper cover of the motor and the transmission case according to claim 8, characterized in that, The elastic clamping assembly (5) includes clamping notches (51) arranged at both ends of the motor clamping seat (12), the clamping notches (51) are arranged corresponding to the clamping holes (31), the clamping portions (33) extend into the clamping notches (51) through the clamping holes (31), one end of the clamping notches (51) is provided with a fixed block (52), one end of the clamping portions (33) is provided with a clamping block (53) corresponding to the fixed block (52), the outer side of one end of the clamping notches (51) near the fixed block (52) is provided with a reset mounting groove (54), and the reset mounting groove (54) is provided with a reset spring (55).

10. The structure of the upper cover of the motor and the transmission case according to claim 9, characterized in that, One end of the motor clamping seat (12) is provided with a pushing portion (18), the outer side of the transmission box body (1) is provided with a circular hole (19) matching the pushing portion (18), and the circular hole (19) is arranged between the transmission box fixing seat (11) and the gear cavity cover plate (13).