High-concentricity curtain motor transmission structure

Abstract

The utility model relates to a high-concentricity curtain motor transmission structure. The technical problem that a motor shaft is eccentric during rotation when the motor shaft is not installed in place in the prior art is solved. Comprising a motor body arranged on one side of a reduction gearbox body, a motor shaft of the motor body penetrates into the reduction gearbox body, a transmission output piece is fixedly arranged on the motor shaft, a bearing body is arranged at the end, away from the motor body, of the motor shaft, a bearing inner ring of the bearing body is fixed to the motor shaft, and a bearing outer ring of the bearing body is connected with the inner side of the reduction gearbox body. The device has the advantages that the bearing body is arranged at the head of the motor shaft and is in contact with the upper end cover, the bearing body adopts the oil-retaining bearing, the self-lubricating performance is good, the friction coefficient can be effectively reduced, the concentricity of a motor body is increased, the motor shaft is prevented from shifting, meanwhile, the abrasion can be reduced, and the service life of the motor shaft is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of curtain motor equipment, and particularly relates to a high concentricity's curtain motor transmission structure. BACKGROUND

[0002] As a core component of the electric curtain, the performance of the transmission structure of the curtain motor directly affects the operation effect of the curtain. At present, if the installation of the motor shaft and the end cover and other components is not in place during the motor assembly, eccentricity of the motor shaft will be caused when the motor shaft rotates, the operation will be unstable, and at the same time, large vibration and noise will be generated, which seriously affects the user's experience, and the eccentric operation will also cause wear between the transmission components, thereby shortening the service life of the curtain motor. SUMMARY

[0003] The utility model discloses a high concentricity's curtain motor transmission structure can be provided to solve the above problems.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme: a high concentricity's curtain motor transmission structure, including the motor body that sets up in the reduction gearbox one side, the motor shaft of motor body is inserted into the reduction gearbox and is equipped with the transmission output piece on the motor shaft and is fixed, the motor shaft is equipped with the bearing body on the one end away from the motor body, the bearing inner ring of bearing body is fixed on the motor shaft and the bearing outer ring of bearing body is connected with the inside of reduction gearbox. The bearing body can be installed on the head of the motor shaft, which can ensure that the concentricity effect of the motor body is good under the condition of load stress, and the motor shaft will not be obviously deviated, and the friction coefficient between the motor shaft and the reduction gearbox will also be reduced.

[0005] In the above-mentioned high concentricity's curtain motor transmission structure, the bearing body, the motor shaft and the transmission output piece are coaxially arranged, and the bearing body and the transmission output piece are not in contact. The installation of the bearing body will not affect the operation of the transmission output piece, so as to avoid damage caused by friction between the bearing body and the transmission output piece.

[0006] In the above-mentioned high concentricity's curtain motor transmission structure, the bearing body is an oil-containing bearing, and the transmission output piece is a worm body. The oil-containing bearing has good self-lubricating performance, smaller noise during operation, good wear resistance and strong adaptability.

[0007] In the above-mentioned high concentricity's curtain motor transmission structure, the reduction gearbox comprises an upper end cover and a lower box body which are detachably connected, and the bearing body is arranged between the upper end cover and the motor shaft.

[0008] In the high concentricity curtain motor transmission structure, the inner side of the upper end cover is provided with a bearing mounting hole, the bearing outer ring of the bearing body is fixed in the bearing mounting hole, and the bearing mounting hole is coaxial with the motor shaft.

[0009] In the high concentricity curtain motor transmission structure, the bearing mounting hole is a stepped hole, the bearing outer ring of the bearing body is fixed in the large hole of the stepped hole, and the small hole of the stepped hole corresponds to the motor shaft. The large hole is used for connecting the bearing body, and the small hole is used for improving the stability of the motor shaft.

[0010] In the high concentricity curtain motor transmission structure, the side of the reduction box body is provided with an opening communicating with the inside of the reduction box body, the opening is provided with a motor mounting plate capable of closing the opening, and the motor body is fixed on the motor mounting plate.

[0011] In the high concentricity curtain motor transmission structure, the motor shaft of the motor body penetrates the mounting hole on the motor mounting plate and then penetrates into the reduction box body through the opening.

[0012] In the high concentricity curtain motor transmission structure, the side of the upper end cover is provided with a first notch, the side of the lower box body is provided with a second notch corresponding to the first notch, and the first notch and the second notch are combined to form the opening.

[0013] In the high concentricity curtain motor transmission structure, the side of the motor mounting plate away from the motor body is connected with the motor body through a plurality of first mounting bolts located on the circumferential outer side of the mounting hole, and the other side of the motor mounting plate is connected with the reduction box body through a plurality of second mounting bolts.

[0014] Compared with the prior art, the high concentricity curtain motor transmission structure has the following advantages:

[0015] 1. The device contacts the bearing body with the upper end cover at the head of the motor shaft, the bearing body adopts an oil-containing bearing, has good self-lubricating performance, can effectively reduce the friction coefficient, increase the concentricity of the motor body, thereby avoiding the deviation of the motor shaft, and also can reduce wear and prolong the service life of the motor shaft.

[0016] 2. The device can reduce the friction and collision between the motor shaft and the upper end cover by using the bearing body, thereby reducing the noise generated when the motor body operates, and making the operation more stable and quiet. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of the utility model.

[0018] Figure 2 Figure 1 is a structural schematic diagram of the reduction gearbox body in the utility model.

[0019] Figure 3 Figure 2 is a structural sectional view of the reduction gearbox body in the utility model.

[0020] Figure 4 Figure 3 is a structural schematic diagram of the motor body and the motor mounting plate in the utility model.

[0021] In the figure: reduction gearbox body 1, upper end cover 11, lower body 12, bearing mounting hole 13, stepped hole 131, large hole 132, small hole 133, open mouth 14, motor mounting plate 15, mounting hole 16, first notch 17, second notch 18, first mounting bolt 19, second mounting bolt 20, motor body 2, motor shaft 21, transmission output 22, bearing body 3. DETAILED DESCRIPTION

[0022] The utility model will be further explained in detail in combination with the drawings and specific embodiments.

[0023] As shown in Figures 1-4 , a high concentricity curtain motor transmission structure, including the motor body 2 arranged in one side of the reduction gearbox body 1, the motor shaft 21 of the motor body 2 is inserted into the reduction gearbox body 1 and is fixed with the transmission output 22 on the motor shaft 21, the end of the motor shaft 21 away from the motor body 2 is provided with the bearing body 3, the bearing inner ring of the bearing body 3 is fixed on the motor shaft 21 and the bearing outer ring of the bearing body 3 is connected with the inner side of the reduction gearbox body 1. The bearing body 3 is installed at the head of the motor shaft 21, which can ensure that the motor body 2 has good concentricity effect under the condition of load stress, the motor shaft 21 will not be obviously offset, and the friction coefficient between the motor shaft 21 and the reduction gearbox body 1 will be reduced.

[0024] As shown in Figure 4 , the bearing body 3, the motor shaft 21 and the transmission output 22 are coaxially arranged, and the bearing body 3 and the transmission output 22 are not in contact. The installation of the bearing body 3 will not affect the operation of the transmission output 22, so as to avoid the damage caused by the friction between the bearing body 3 and the transmission output 22.

[0025] Among them, the bearing body 3 is an oil-containing bearing and the transmission output 22 is a worm body. The oil-containing bearing has good self-lubricating performance, smaller noise during operation, good wear resistance and strong adaptability. The transmission output 22 not only adopts the worm body, but also can adopt the gear piece.

[0026] As shown in Figure 1 , the reduction gearbox body 1 includes the upper end cover 11 and the lower body 12 which are detachably connected, and the bearing body 3 is arranged between the upper end cover 11 and the motor shaft 21.

[0027] Combination Figure 2 and Figure 3 As shown, the upper end cover 11 has a bearing mounting hole 13 on its inner side. The outer ring of the bearing body 3 is fixed in the bearing mounting hole 13, and the bearing mounting hole 13 is coaxially arranged with the motor shaft 21. The bearing body 3 is fixed in the bearing mounting hole 13, and the motor shaft 21 is connected to the bearing body 3, which can improve the stability when the motor body 2 is running.

[0028] The bearing mounting hole 13 is a stepped hole 131. The outer ring of the bearing body 3 is fixed in the large hole 132 of the stepped hole 131, and the small hole 133 of the stepped hole 131 corresponds to the motor shaft 21. The large hole 132 is used to connect the bearing body 3, and the small hole 133 is used to improve the stability of the motor shaft 21.

[0029] Specifically, the gearbox 1 has an opening 14 on one side that communicates with the interior of the gearbox 1, and a motor mounting plate 15 that can close the opening 14 is provided at the opening 14, and the motor body 2 is fixed on the motor mounting plate 15.

[0030] Furthermore, the motor shaft 21 of the motor body 2 passes through the mounting hole 16 on the motor mounting plate 15 and then enters the gearbox body 1 through the opening 14.

[0031] Furthermore, the lower end of one side of the upper cover 11 is provided with a first notch 17, and the upper end of one side of the lower box 12 is provided with a second notch 18 corresponding to the first notch 17, and the first notch 17 and the second notch 18 are joined together to form the aforementioned opening 14.

[0032] Combination Figure 1 and Figure 4 As shown, the side of the motor mounting plate 15 away from the motor body 2 is connected to the motor body 2 by a number of first mounting bolts 19 located on the outer side of the mounting holes 16, and the other side of the motor mounting plate 15 is connected to the gearbox body 1 by a number of second mounting bolts 20.

[0033] The principle of this embodiment is as follows:

[0034] The motor body 2 is fixedly connected to the motor mounting plate 15 by the first mounting bolt 19, and the motor mounting plate 15 is fixedly connected to the gearbox body 1 by the second mounting bolt 20. The motor shaft 21 of the motor body 2 passes through the opening 14 into the gearbox body 1. The head of the motor shaft 21 is equipped with a bearing body 3, which is located in the bearing mounting hole 13. The outer ring of the bearing body 3 contacts the upper end cover 11, and the inner ring of the bearing body 3 contacts the motor shaft 21. This increases the concentricity of the motor body, thereby preventing the motor shaft from shifting and effectively reducing the coefficient of friction.

[0035] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to replace them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

[0036] Although this document frequently uses terms such as gearbox 1, upper cover 11, lower housing 12, bearing mounting hole 13, stepped hole 131, large hole 132, small hole 133, opening 14, motor mounting plate 15, mounting hole 16, first notch 17, second notch 18, first mounting bolt 19, second mounting bolt 20, motor body 2, motor shaft 21, transmission output component 22, and bearing body 3, the possibility of using other terms is not excluded. The use of these terms is merely for the convenience of describing and explaining the essence of this utility model; interpreting them as any kind of additional limitation would contradict the spirit of this utility model.

Claims

1. A high concentricity curtain motor transmission structure, comprising a motor body (2) disposed on one side of a reduction gearbox (1), wherein the motor shaft (21) of the motor body (2) passes through the reduction gearbox (1) and a transmission output component (22) is fixedly disposed on the motor shaft (21), characterized in that, The motor shaft (21) is provided with a bearing body (3) at one end away from the motor body (2). The inner ring of the bearing body (3) is fixed on the motor shaft (21), and the outer ring of the bearing body (3) is connected to the inner side of the gearbox body (1).

2. The high concentricity curtain motor transmission structure according to claim 1, characterized in that, The bearing body (3), motor shaft (21) and transmission output component (22) are coaxially arranged, and the bearing body (3) and transmission output component (22) do not contact each other.

3. The high concentricity curtain motor transmission structure according to claim 1, characterized in that, The bearing body (3) is an oil-impregnated bearing and the transmission output component (22) is a worm gear.

4. A high concentricity curtain motor transmission structure according to claim 1, 2, or 3, characterized in that, The gearbox (1) includes an upper end cover (11) and a lower box (12) that are detachably connected. The bearing body (3) is disposed between the upper end cover (11) and the motor shaft (21).

5. The high concentricity curtain motor transmission structure according to claim 4, characterized in that, The upper end cover (11) is provided with a bearing mounting hole (13) on the inner side. The outer ring of the bearing body (3) is fixed in the bearing mounting hole (13), and the bearing mounting hole (13) is coaxially arranged with the motor shaft (21).

6. The high concentricity curtain motor transmission structure according to claim 5, characterized in that, The bearing mounting hole (13) is a stepped hole (131), the outer ring of the bearing body (3) is fixed in the large hole (132) of the stepped hole (131), and the small hole (133) of the stepped hole (131) corresponds to the motor shaft (21).

7. The high concentricity curtain motor transmission structure according to claim 4, characterized in that, The gearbox (1) has an opening (14) on one side that communicates with the interior of the gearbox (1), and a motor mounting plate (15) is provided at the opening (14) to close the opening (14), and the motor body (2) is fixed on the motor mounting plate (15).

8. The high concentricity curtain motor transmission structure according to claim 7, characterized in that, The motor shaft (21) of the motor body (2) passes through the mounting hole (16) on the motor mounting plate (15) and then enters the gearbox body (1) through the opening (14).

9. The high concentricity curtain motor transmission structure according to claim 7, characterized in that, The upper cover (11) has a first notch (17) at the lower end of one side, and the lower box (12) has a second notch (18) at the upper end of one side corresponding to the first notch (17). The first notch (17) and the second notch (18) are joined together to form the opening (14).

10. A high concentricity curtain motor transmission structure according to claim 8, characterized in that, The motor mounting plate (15) is connected to the motor body (2) on the side away from the motor body (2) by a number of first mounting bolts (19) located on the outer side of the mounting holes (16), and the other side of the motor mounting plate (15) is connected to the gearbox body (1) by a number of second mounting bolts (20).

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