Buckle type actuator device

By introducing a snap-fit ​​actuator device into the damper actuator, the problem of output gear hole position installation error is solved by using the limiting part and slot structure, realizing high reliability and high load-bearing capacity power transmission, and enhancing the stability and torque transmission of the damper actuator.

CN223690485UActive Publication Date: 2025-12-19HUBEI KAIT AUTOMOTIVE ELECTRONICS & ELECTRICAL SYST
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Patent Information

Application Number
CN202423195681.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-12-19
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

In the existing technology, the output gear hole position of the damper actuator may be installed incorrectly, leading to errors during the installation process.

Method used

The device employs a snap-fit ​​actuator, which ensures accurate positioning of the input shaft and output gear by setting two limiting parts and a slot structure in the output gear assembly. Power transmission is achieved through the limiting parts, and the combination of worm gear, turbine and gear transmission components enhances power transmission and structural stability.

Benefits of technology

It achieves accurate positioning of the output gear and the input shaft, improves the reliability and load-bearing capacity of the product, reduces the risk of fatigue failure, and enhances the stability of power transmission and torque transmission capability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of buckle type actuators, and discloses a buckle type actuator device which comprises an output gear assembly and an input shaft, the output gear assembly comprises a shaft sleeve, an output gear and two limiting portions, the shaft sleeve is provided with a shaft hole in the axial direction, the output gear is arranged on the shaft sleeve in a sleeved mode, and the two limiting portions are arranged on one side of the shaft hole in a spaced mode. The limiting part is connected with the output gear and is arranged along the axis of the shaft hole; the input shaft is provided with insertion grooves opposite to the two limiting parts, the two insertion grooves are formed in the axial direction of the input shaft, and the input shaft can be inserted into the shaft hole in a matched mode and is arranged on the two limiting parts in a matched and sleeved mode through the insertion grooves. According to the utility model, the shaft hole and the input shaft can be prevented from being misplaced in the installation process of the buckle type actuator.
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Description

TECHNICAL FIELD

[0001] The utility model relates to buckle type actuator technical field, concretely relates to a buckle type actuator device. BACKGROUND

[0002] An actuator is a component for controlling rotation by outputting torque and rotation to control component rotation to achieve rotation control.

[0003] Publication No. CN218257653U discloses a damper actuator, comprising a shell, a drive motor and a reduction gear set, the shell has a mounting cavity, the shell is provided with a shaft hole communicating with the mounting cavity along the thickness direction of the mounting cavity; the drive motor is arranged in the mounting cavity, the drive motor includes a shell and a drive shaft extending out of the shell, the drive shaft is provided with a drive gear at one end extending out of the shell, and the drive gear is arranged on one side of the mounting cavity in the thickness direction, the shell is provided with a mounting shaft hole along the thickness direction of the mounting cavity; the reduction gear set includes a first reduction gear meshing with the drive gear and an output gear in transmission connection with the first reduction gear, the rotating shaft of the first reduction gear is arranged in the mounting shaft hole, and the rotating shaft of the output gear is arranged in the shaft hole.

[0004] The output gear of the above-mentioned damper actuator is provided with a spline hole, the input shaft of the damper is provided with a spline, and the spline hole and the spline are connected to realize shaft hole connection, but when the spline and the spline hole are connected, the circumferential position is not limited, and during the installation of the damper actuator, the spline may be installed at an incorrect angle, and errors may occur during the installation process. UTILITY MODEL CONTENTS

[0005] The utility model aims at overcoming the above technical defects, and provides a buckle type actuator device to solve the technical problem that the output gear hole position installation may be incorrect in the prior art.

[0006] In order to achieve the above technical purpose, the utility model adopts the following technical scheme:

[0007] The utility model provides a buckle type actuator device, which comprises:

[0008] An output gear assembly comprises a shaft sleeve, an output gear and two limiting parts, the shaft sleeve is provided with a shaft hole in the axial direction, the output gear is sleeved on the shaft sleeve, the two limiting parts are spaced apart and arranged on one side of the shaft hole, and the limiting parts are connected with the output gear and arranged along the axis of the shaft hole; and

[0009] An input shaft is provided with two insertion slots opposite to the two limiting parts, the two insertion slots are arranged along the axial direction of the input shaft, the input shaft can be inserted into the shaft hole through the insertion slots and sleeved on the two limiting parts.

[0010] In one of the embodiments, the limiting portion has a first vertical surface and a second vertical surface connected in the circumferential direction of the shaft hole, the first vertical surface is perpendicular to the second vertical surface and both are connected to the inner wall of the shaft hole, the first vertical surfaces of the two limiting portions are oppositely arranged and parallel to each other.

[0011] In one of the embodiments, the buckle type actuator device further comprises a housing assembly, the housing assembly comprises a base and a cover, the base is provided with a first stepped hole, the cover is connected to the base and is provided with a second stepped hole opposite to the first stepped hole;

[0012] The two ends of the shaft sleeve are stepped, the two ends of the shaft sleeve are rotatably inserted into the first stepped hole and the second stepped hole respectively, and the two ends of the shaft sleeve are rotatably abutted against the inner walls of the first stepped hole and the second stepped hole respectively.

[0013] In one of the embodiments, the buckle type actuator device further comprises a driving assembly, the driving assembly comprises a driving member, a worm and a turbine, the driving member is built-in in a fixed cavity formed by the base and the cover, the worm is connected to the input shaft of the driving member, the turbine is engaged with the worm and is drivingly connected with the output gear.

[0014] In one of the embodiments, the buckle type actuator device further comprises a gear transmission assembly, the gear transmission assembly is engaged with the turbine and the output gear respectively, for drivingly connecting the output gear and the turbine.

[0015] In one of the embodiments, the gear transmission assembly comprises a first gear, a second gear, a third gear, a fourth gear and a fifth gear, the turbine and the first gear are connected and coaxially arranged, the second gear and the third gear are connected and coaxially arranged, the second gear is engaged with the first gear, the fourth gear and the fifth gear are connected and coaxially arranged, the fourth gear is engaged with the third gear, and the fifth gear is engaged with the output gear.

[0016] In one of the embodiments, the number of teeth of the first gear is less than the number of teeth of the turbine, the number of teeth of the second gear is greater than the number of teeth of the first gear, the number of teeth of the third gear is less than the number of teeth of the second gear, the number of teeth of the fourth gear is greater than the number of teeth of the third gear, and the number of teeth of the fifth gear is less than the number of teeth of the fourth gear and the output gear.

[0017] In one of the embodiments, the buckle type actuator device further comprises a shafting assembly, the shafting assembly comprises a first positioning shaft, a second fixed shaft and a third positioning shaft, the first positioning shaft, the second fixed shaft and the third positioning shaft are connected to the base, the turbine and the first gear are rotatably sleeved on the first positioning shaft, the second gear and the third gear are rotatably sleeved on the second fixed shaft, and the fourth gear and the fifth gear are rotatably sleeved on the third positioning shaft.

[0018] In one of the embodiments, the upper cover is formed with a first fixed groove and a second fixed groove matched with the first positioning shaft and the second fixed shaft, and the upper cover is sleeved on the first positioning shaft and the second fixed shaft through the first fixed groove and the second fixed groove respectively.

[0019] The shafting assembly further comprises a fourth positioning shaft, the fourth positioning shaft is connected to the upper cover and is coaxially arranged with the third positioning shaft, and the fifth gear is rotatably sleeved on the third positioning shaft and the fourth positioning shaft.

[0020] In one of the embodiments, the output gear is provided with an anchor position for mounting a brush.

[0021] Compared with the prior art, the buckle type actuator device provided by the utility model, when the output gear is connected with the input shaft, the input shaft is inserted into the shaft hole, the two insertion grooves are aligned with the two limiting portions, and the input shaft is sleeved on the two limiting portions through the two insertion grooves, so that the connection between the input shaft and the output gear is realized. Since the number of limiting portions is two and the limiting portions are arranged on one side of the shaft hole, the input shaft inserted into the shaft hole can be circumferentially positioned, and the two limiting portions can realize power transmission between the output gear and the input shaft. At the same time, the input shaft is inserted into the shaft hole. Compared with the existing triangular input shaft structure or quadrilateral input shaft structure, it can bear more load, has small risk of fatigue failure, and has high product reliability. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 is a structural schematic view of the buckle type actuator device provided by the utility model embodiment;

[0023] Figure 2 is a structural schematic view of the buckle type actuator device provided by the utility model embodiment;

[0024] Figure 3 is a structural schematic view of the shaft sleeve and the shell assembly in the buckle type actuator device provided by the utility model embodiment;

[0025] Figure 4 is a structural schematic view of the gear transmission assembly and the driving assembly in the buckle type actuator device provided by the utility model embodiment;

[0026] Figure 5 is a structure schematic view after the upper cover is hidden in the buckle type actuator device provided by the embodiment of the utility model;

[0027] Figure 6 is the sectional view of the output gear assembly in the buckle type actuator device provided by the embodiment of the utility model;

[0028] Figure 7 is the sectional view of the turbine, first gear, second gear and third gear in the buckle type actuator device provided by the embodiment of the utility model;

[0029] Figure 8 is the sectional view of the fourth gear and fifth gear in the buckle type actuator device provided by the embodiment of the utility model.

[0030] Explanation of reference signs:

[0031] Output gear assembly 1;

[0032] Shaft sleeve 11;

[0033] Output gear 12;

[0034] Limiting portion 13;

[0035] First vertical surface 13a;

[0036] Second vertical surface 13b;

[0037] Input shaft 2;

[0038] Slot 2a;

[0039] Housing assembly 3;

[0040] Base 31;

[0041] Upper cover 32;

[0042] First fixing groove 32a;

[0043] Second fixing groove 32b;

[0044] Driving assembly 4;

[0045] Driving piece 41;

[0046] Worm 42;

[0047] Turbine 43;

[0048] Gear transmission assembly 5;

[0049] First gear 51;

[0050] Second gear 52;

[0051] Third gear 53;

[0052] Fourth gear 54;

[0053] Fifth gear 55;

[0054] Shaft assembly 6;

[0055] First fixed shaft 61;

[0056] Second fixed shaft 62;

[0057] Third positioning shaft 63;

[0058] Fourth positioning shaft 64. DETAILED DESCRIPTION

[0059] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described here are only used to explain the utility model, and are not used to limit the utility model.

[0060] In order to solve the technical problem that the output gear hole installation may be wrong in the buckle type actuator device, the utility model provides a buckle type actuator device, which can solve the problem that the output gear hole installation may be wrong in the prior art.

[0061] It should be noted that the buckle type actuator device described in the utility model is used for but not limited to air conditioner air door and the like. In order to facilitate the description, in the utility model, only the buckle type actuator device applied to the air conditioner air door is taken as an example for description, and the principle of the buckle type actuator device applied to other types of equipment is substantially the same as that applied to the air conditioner air door, which will not be described one by one here.

[0062] Please refer to Figure 1 , Figure 1 It is a structural schematic view of the buckle type actuator device in an embodiment of the utility model. The buckle type actuator device comprises an output gear assembly 1 and an input shaft 2. The output gear assembly 1 comprises a shaft sleeve 11, an output gear 12 and two limiting portions 13. The shaft sleeve 11 is provided with a shaft hole in the axial direction. The output gear 12 is sleeved on the shaft sleeve 11. The two limiting portions 13 are spaced apart and arranged on one side of the shaft hole, and are connected with the output gear 12. The limiting portion 13 is arranged along the axis of the shaft hole. The input shaft 2 is provided with two insertion grooves 2a relative to the two limiting portions 13. The two insertion grooves 2a are arranged along the axial direction of the input shaft 2. The input shaft 2 can be inserted into the shaft hole and sleeved on the two limiting portions 13 through the insertion grooves 2a.

[0063] The input shaft 2 is used for fixedly connecting the input shaft of the air conditioner air door, the air inlet grille and the like.

[0064] Specifically, when the output gear 12 is connected with the input shaft 2, the input shaft 2 is inserted into the shaft hole, the two insertion slots 2a are aligned with the two limiting portions 13, and the input shaft 2 is sleeved on the two limiting portions 13 through the two insertion slots 2a, so that the connection between the input shaft 2 and the output gear 12 is realized. Since the number of the limiting portions 13 is two and the limiting portions 13 are arranged on one side of the shaft hole, the input shaft 2 inserted into the shaft hole can be circumferentially positioned, and the two limiting portions 13 can realize power transmission between the output gear 12 and the input shaft 2. Meanwhile, the input shaft 2 is inserted into the shaft hole, and compared with the existing triangular input shaft 2 structure or quadrilateral input shaft 2 structure, the input shaft 2 can bear more load, has small risk of fatigue failure, and has high product reliability.

[0065] It should be understood that the buckle type actuator device includes a buckle type actuator and an input shaft of a device connected with the buckle type actuator.

[0066] It should be understood that the limiting portions 13 can be circular, square and triangular structure layers. Specifically, in one embodiment, the limiting portions 13 have first vertical surfaces 13a and second vertical surfaces 13b connected along the circumference of the shaft hole. The first vertical surfaces 13a and the second vertical surfaces 13b are perpendicular to each other and connected with the inner wall of the shaft hole. The first vertical surfaces 13a of the two limiting portions 13 are oppositely arranged and parallel to each other.

[0067] Through the above arrangement, when the input shaft 2 is inserted into the shaft hole and sleeved on the two limiting portions 13 through the two insertion slots 2a, the first vertical surfaces 13a and the second vertical surfaces 13b are attached to the inner wall of the insertion slot 2a, and the input shaft 2 abuts against the first vertical surfaces 13a and the second vertical surfaces 13b at the same time. The input shaft 2 can be limited to rotate relative to the limiting portions 13, so that the output gear 12 and the input shaft 2 can realize transmission of a larger torque.

[0068] In one embodiment, the buckle type actuator device further includes a housing assembly 3. The housing assembly 3 includes a base 31 and a cover 32. The base 31 is provided with a first stepped hole, and the cover 32 is connected with the base 31 and is provided with a second stepped hole opposite to the first stepped hole. The two ends of the shaft sleeve 11 are stepped. The two ends of the shaft sleeve 11 are rotatably inserted into the first stepped hole and the second stepped hole, respectively, and the two ends of the shaft sleeve 11 rotatably abut against the inner walls of the first stepped hole and the second stepped hole, respectively.

[0069] The two ends of the shaft sleeve 11 are inserted into the first stepped hole and the second stepped hole, respectively, so as to limit and position the shaft sleeve 11, and the output gear 12 and the shaft sleeve 11 can rotate relative to the base 31 and the cover 32.

[0070] The first stepped hole and the second stepped hole each have two fixed holes with different sizes, and the size of the fixed hole decreases along the direction towards the outside of the base 31 and the cover 32.

[0071] In one of the embodiments, the snap-action actuator device further comprises a driving assembly 4, the driving assembly 4 comprises a driving member 41, a worm 42 and a worm wheel 43, the driving member 41 is arranged in the fixed cavity formed by the base 31 and the upper cover 32, the worm 42 is connected to the input shaft 2 of the driving member 41, the worm wheel 43 is engaged with the worm 42 and is in transmission connection with the output gear 12.

[0072] The worm 42 can output the power of the motor, and the worm 42 and the worm wheel 43 can increase the output torque of the driving member 41.

[0073] It should be understood that the driving member 41 can be an electric motor or a motor.

[0074] It should be understood that the worm wheel 43 can be directly engaged with the output gear 12, or can be in transmission connection with the output gear 12 through other transmission structures. Specifically, in one of the embodiments, the snap-action actuator device further comprises a gear transmission assembly 5, the gear transmission assembly 5 is connected with the worm wheel 43 and the output gear 12 respectively, and is used for the transmission connection between the output gear 12 and the worm wheel 43.

[0075] Through the gear transmission assembly 5, the power transmission between the worm wheel 43 and the output gear 12 can be realized, and the torque can be increased and the rotation speed can be reduced during the transmission.

[0076] The gear transmission assembly 5 can be a single gear or a gear set. Specifically, in one of the embodiments, the gear transmission assembly 5 comprises a first gear 51, a second gear 52, a third gear 53, a fourth gear 54 and a fifth gear 55, the worm wheel 43 and the first gear 51 are connected and coaxially arranged, the second gear 52 and the third gear 53 are connected and coaxially arranged, the second gear 52 is engaged with the first gear 51, the fourth gear 54 and the fifth gear 55 are connected and coaxially arranged, the fourth gear 54 is engaged with the third gear 53, and the fifth gear 55 is engaged with the output gear 12.

[0077] The power transmission between the worm wheel 43 and the output gear 12 can be realized through the five gears, and the rotation speed of the gears can be reduced while the size of the gears is controlled.

[0078] In one of the embodiments, the number of teeth of the first gear 51 is less than the number of teeth of the worm wheel 43, the number of teeth of the second gear 52 is greater than the number of teeth of the first gear 51, the number of teeth of the third gear 53 is less than the number of teeth of the second gear 52, the number of teeth of the fourth gear 54 is greater than the number of teeth of the third gear 53, and the number of teeth of the fifth gear 55 is less than the number of teeth of the fourth gear 54 and the output gear 12.

[0079] Through the above arrangement, when the gears are engaged with each other and the power is transmitted, the torque during the power transmission can be increased and the rotation speed of the gears can be reduced.

[0080] In order to realize the rotation fixation of the five gears, in one of the embodiments, the buckle type actuator device further comprises a shafting assembly 6, the shafting assembly 6 comprises a first fixed shaft 61, a second fixed shaft 62 and a third positioning shaft 63, the first fixed shaft 61, the second fixed shaft 62 and the third positioning shaft 63 are all connected to the base 31, the turbine 43 and the first gear 51 are rotatably sleeved on the first fixed shaft 61, the second gear 52 and the third gear 53 are rotatably sleeved on the second fixed shaft 62, and the fourth gear 54 and the fifth gear 55 are rotatably sleeved on the third positioning shaft 63.

[0081] Since the turbine 43 and the first gear 51 are connected and coaxially arranged, the second gear 52 and the third gear 53 are connected and coaxially arranged, and the fourth gear 54 and the fifth gear 55 are connected and coaxially arranged, in this embodiment, only three positioning shafts are needed to be arranged, and the five gears are respectively sleeved on the corresponding positioning shafts, so that the rotation limiting of the five gears is realized, the five gears are more closely arranged, and the structure of the buckle type actuator device is more compact.

[0082] In order to increase the stability of the three positioning shafts, so that the gears can rotate more stably, in one of the embodiments, the upper cover 32 is formed with a first fixed groove 32a and a second fixed groove 32b matched with the first fixed shaft 61 and the second fixed shaft 62, and the upper cover 32 is sleeved on the first fixed shaft 61 and the second fixed shaft 62 through the first fixed groove 32a and the second fixed groove 32b; the shafting assembly 6 further comprises a fourth positioning shaft 64, the fourth positioning shaft 64 is connected to the upper cover 32 and coaxially arranged with the third positioning shaft 63, and the fifth gear 55 is rotatably sleeved on the third positioning shaft 63 and the fourth positioning shaft 64.

[0083] One end of the first fixed shaft 61 and the second fixed shaft 62 is fixed to the base 31, and the other end of the first fixed shaft 61 and the second fixed shaft 62 is fixed by the first fixed groove 32a and the second fixed groove 32b of the upper cover 32, so that the fixation of the two ends of the upper cover 32 and the base 31 is realized, and the first fixed shaft 61 and the second fixed shaft 62 are prevented from shaking during the rotation of the gears; at the same time, by arranging the fourth positioning shaft 64, since the fourth gear 54 and the fifth gear 55 are connected and coaxially arranged, when the fifth gear 55 is rotatably sleeved on the third positioning shaft 63 and the fourth positioning shaft 64, the fourth positioning shaft 64 and the third positioning shaft 63 can simultaneously fix the fourth gear 54 and the fifth gear 55, so that the stability of the fixation of the gears is enhanced, and the reliability of the product is improved.

[0084] In one of the embodiments, the output gear 12 is provided with an anchor position 13 for installing a brush.

[0085] The elastic brush is used for cooperating with the circuit board to realize accurate control of the rotation of the input shaft 2.

[0086] The specific implementation of the utility model above does not constitute a limitation on the protection scope of the utility model. Any other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A snap-action actuator device, characterized in that The buckle type actuator device comprises an output gear assembly, an input shaft and a housing assembly. The output gear assembly comprises a shaft sleeve, an output gear and two limiting parts. The shaft sleeve is provided with a shaft hole in the axial direction. The output gear is sleeved on the shaft sleeve. The two limiting parts are spaced and arranged on one side of the shaft hole. The limiting parts are arranged along the axis of the shaft hole. The input shaft is provided with two insertion slots opposite the two limiting parts. The two insertion slots are arranged along the axial direction of the input shaft. The input shaft can be inserted into the shaft hole and sleeved on the two limiting parts through the insertion slots.

2. The buckle type actuator device according to claim 1, wherein the limiting parts are provided with a first vertical surface and a second vertical surface connected along the circumferential direction of the shaft hole. The first vertical surface and the second vertical surface are perpendicular to each other and connected to the inner wall of the shaft hole. The first vertical surfaces of the two limiting parts are arranged opposite to each other and parallel to each other.

3. The buckle type actuator device according to claim 1, further comprising a housing assembly. The housing assembly comprises a base and a cover. The base is provided with a first stepped hole. The cover is connected to the base and is provided with a second stepped hole opposite to the first stepped hole. The two ends of the shaft sleeve are stepped. The two ends of the shaft sleeve are rotatably inserted into the first stepped hole and the second stepped hole, respectively. The two ends of the shaft sleeve are rotatably abutted to the inner walls of the first stepped hole and the second stepped hole, respectively.

4. The buckle type actuator device according to claim 3, further comprising a driving assembly. The driving assembly comprises a driving member, a worm and a turbine. The driving member is arranged in a fixed cavity formed by the base and the cover. The worm is connected to the input shaft of the driving member. The turbine is engaged with the worm and is drivingly connected to the output gear.

5. The buckle type actuator device according to claim 4, further comprising a gear transmission assembly. The gear transmission assembly is connected to the turbine and the output gear, respectively, for drivingly connecting the output gear and the turbine.

6. The buckle type actuator device according to claim 5, wherein the gear transmission assembly comprises a first gear, a second gear, a third gear, a fourth gear and a fifth gear. The turbine and the first gear are connected and coaxially arranged. The second gear and the third gear are connected and coaxially arranged. The second gear is engaged with the first gear. The fourth gear and the fifth gear are connected and coaxially arranged. The fourth gear is engaged with the third gear. The fifth gear is engaged with the output gear.

7. The buckle type actuator device according to claim 6, wherein the number of teeth of the first gear is less than the number of teeth of the turbine. The number of teeth of the second gear is greater than the number of teeth of the first gear. The number of teeth of the third gear is less than the number of teeth of the second gear. The number of teeth of the fourth gear is greater than the number of teeth of the third gear. The number of teeth of the fifth gear is less than the number of teeth of the fourth gear and the output gear.

8. The buckle type actuator device according to claim 6, wherein Further comprising a shafting assembly, the shafting assembly comprises a first positioning shaft, a second fixed shaft and a third positioning shaft, the first positioning shaft, the second fixed shaft and the third positioning shaft are connected to the base, the turbine and the first gear are rotatably sleeved on the first positioning shaft, the second gear and the third gear are rotatably sleeved on the second fixed shaft, and the fourth gear and the fifth gear are rotatably sleeved on the third positioning shaft.

9. The buckle type actuator device according to claim 8, characterized in that: the upper cover is formed with a first fixed groove and a second fixed groove matched with the first positioning shaft and the second fixed shaft, and the upper cover is sleeved on the first positioning shaft and the second fixed shaft through the first fixed groove and the second fixed groove respectively; the shafting assembly further comprises a fourth positioning shaft, the fourth positioning shaft is connected to the upper cover and coaxially arranged with the third positioning shaft, and the fifth gear is rotatably sleeved on the third positioning shaft and the fourth positioning shaft.

10. The buckle type actuator device according to claim 1, characterized in that: an anchor position for mounting a spring brush is arranged on the output gear.