阅读说明：本技术 用于制动装置的执行器 (Actuator for brake apparatus ) 是由 宋浚圭 于 2019-05-24 设计创作，主要内容包括：本发明公开一种用于制动装置的执行器。该执行器包括：壳体,被配置成不仅具有马达容纳部而且具有齿轮安装部,马达容纳部中容纳马达,减速齿轮单元被安装到齿轮安装部；以及罩体,联接到壳体的开放上部。齿轮安装部形成为中空圆柱形,齿轮安装部的上部封闭、下部开放,并且齿轮安装部不仅包括形成为在齿轮安装部的顶面的中央部穿透的轴孔,而且包括沿齿轮安装部的内圆周形成的齿圈部。减速齿轮单元包括：蜗轮,被配置成具有太阳齿轮,太阳齿轮由齿轮安装部的外表面可旋转地支撑并通过轴孔插入到齿轮安装部中；多个行星齿轮,在齿轮安装部内与太阳齿轮和齿圈部啮合；以及托架,联接到多个行星齿轮以可旋转,并设置有输出轴。(The present invention discloses a kind of actuator for brake apparatus.The actuator includes: shell, is configured to not only with motor holding portion but also have gear mounting portion, accommodates motor in motor holding portion, reduction gear unit is mounted to gear mounting portion；And cover, it is connected to the open upper part of shell.Gear mounting portion is formed as hollow cylindrical, closed upper part, the lower open of gear mounting portion, and gear mounting portion not only includes the axis hole for being formed as penetrating in the central portion of the top surface of gear mounting portion, but also the gear ring portion including the inner periphery formation along gear mounting portion.Reduction gear unit includes: worm gear, is configured to sun gear, and sun gear is pivotably supported by the outer surface of gear mounting portion and passes through axis hole and is inserted into gear mounting portion；Multiple planetary gears engage in gear mounting portion with sun gear and gear ring portion；And bracket, multiple planetary gears are connected to rotatable, and are provided with output shaft.)

1. a kind of actuator for brake apparatus, comprising:

Shell is configured to not only with motor holding portion but also have gear mounting portion, accommodates horse in the motor holding portion It reaches, reduction gear unit is mounted to the gear mounting portion；And

Cover is connected to the open upper part of the shell,

Wherein the gear mounting portion is formed as hollow cylindrical, closed upper part, the lower open of the gear mounting portion, and The gear mounting portion not only includes the axis hole for being formed as penetrating in the central portion of the top surface of the gear mounting portion, but also including Along the gear ring portion that the inner periphery of the gear mounting portion is formed, and

Wherein the reduction gear unit includes:

Worm gear is configured to sun gear, the sun gear by the gear mounting portion the rotatable twelve Earthly Branches in outer surface It supports and passes through the axis hole and be inserted into the gear mounting portion；

Multiple planetary gears engage in the gear mounting portion with the sun gear and the gear ring portion；And

Bracket is connected to the multiple planetary gear can rotate, and is provided with output shaft.

2. actuator according to claim 1, wherein the worm gear includes:

Ring portion is formed as penetrating in the central portion of the ring portion, and is configured to the excircle for being formed in the ring portion The gear teeth；And

Cover is connected to the ring portion to cover the inner surface of the open upper part of the ring portion and the ring portion.

3. actuator according to claim 2, in which:

The ring portion is made of synthetic resin material；And

The cover is formed from steel.

4. actuator according to claim 1, further comprises:

Worm screw component is configured to the rotary force of the motor being transmitted to the worm gear.

5. actuator according to claim 4, wherein the worm screw component includes:

Worm shaft is provided with and worm gear meshed gears portion on the excircle of the worm shaft；And

Bearing and driven worm gear, are respectively coupled to the both ends of the worm shaft,

Wherein the motor includes rotary shaft, and the rotary shaft is connected to the geared worm engaged with the driven worm gear.

6. actuator according to claim 1, in which:

The worm gear is connected to the top of the gear mounting portion in the mode that the gear mounting portion is received into the worm gear； And

The bracket is connected in parallel to the gear mounting portion in the insertion of the lower part of the gear mounting portion.

7. actuator according to claim 1, wherein the gear mounting portion can releasably be connected to the shell.

8. actuator according to claim 7, in which:

The shell includes the extension board for being connected to the gear mounting portion,

The lower end for being wherein hooked in the gear mounting portion can releasably be connected to the extension board.

9. actuator according to claim 8, wherein the extension board includes:

Multiple stopper ribs, be separated from each other preset distance in a circumferential direction,

Lower end and the multiple stop ribbed joint of at least one connection rib in the gear mounting portion.

10. actuator according to claim 1, further comprises:

Damping member is configured to support the lower end of the motor in the bottom surface in the motor holding portion.

11. actuator according to claim 1, wherein the worm gear is configured to cover the top surface of the gear mounting portion The side and.

12. actuator according to claim 1, wherein include accommodation space in the worm gear,

Wherein the accommodation space is configured to accommodate the gear mounting portion to surround the gear mounting portion.

13. actuator according to claim 1, further comprises:

Bracket axle portion is configured to penetrate the axis hole of the sun gear in the central portion of the bracket, so that the bracket axis Portion can be pivotally supported by the cover.

Technical field

Embodiment of the disclosure is related to a kind of actuator for brake apparatus, and more specifically it relates to one kind passes through horse The actuator for brake apparatus of parking function is realized in the operation reached.

Background technique

In general, brake apparatus is the device for preventing vehicle mobile in vehicle braking or parking, and for grasping The wheel of vehicle is to prevent vehicle wheel rotation.

Recently, for electronic brake (EPB) system of the operation of parking brake to be controlled electronically in the whole world It is widely used.This EPB system is mounted on typical disk brake and executes parking braking function.This Place, EPB system, which is divided into, starts (cable-puller) formula EPB system, clamp integrated form motor starting (motor- using bracing wire On-caliper, MOC) formula EPB system and hydraulic parking braking formula EPB system.

A kind of clamp collection has been disclosed in the Korean Patent Publication of Publication No. 10-2011-0072877 (2011.06.29) Accepted way of doing sth motor starting (MOC) formula electronic brake (EPB) actuator structure.MOC formula electronic brake (EPB) actuator Structure is connect with the motor for generating driving force, so that motor is slowed down using multiple geared systems, increases the torque of motor, and will increase Torque pass to actuator and caliper arrangement, enable MOC formula electronic brake (EPB) actuator structure to brake vehicle .

Citation

Patent document

The Korean Patent Publication of Publication No. 10-2011-0072877 (2011.06.29)

Summary of the invention

Therefore, the one side of the disclosure provides a kind of actuator for brake apparatus, to realize the miniaturization of actuator And operational stability, device is performed simultaneously with simple structure.

Other aspects of the invention will illustrate partly in the description that follows, and partly will be aobvious and easy from description See, or can practice through the invention carry out acquistion.

According to the one side of the disclosure, a kind of actuator for brake apparatus includes: shell, is configured to not only have Motor holding portion and there is gear mounting portion, motor is accommodated in motor holding portion, reduction gear unit is mounted to gear peace Dress portion；And cover, it is connected to the open upper part of shell.Gear mounting portion is formed as hollow cylindrical, gear mounting portion it is upper Portion's closing, lower open, and gear mounting portion not only includes being formed as penetrating in the central portion of the top surface of gear mounting portion Axis hole, and the gear ring portion including the inner periphery formation along gear mounting portion.Reduction gear unit includes: worm gear, is configured to With sun gear, sun gear, which is pivotably supported by the outer surface of gear mounting portion and passes through axis hole, is inserted into gear installation In portion；Multiple planetary gears engage in gear mounting portion with sun gear and gear ring portion；And bracket, it is connected to multiple rows Star gear is provided with output shaft with rotatable.

Worm gear may include ring portion and cover.Ring portion can be formed as penetrating in the central portion, and may include being formed In the gear teeth of its excircle.Cover can be connected to ring portion, to cover the open upper part of ring portion and the inner surface of ring portion.

Ring portion can be made of synthetic resin material, and cover can be formed from steel.

Actuator may further include: worm screw component, be configured to the rotary force of motor being transmitted to worm gear.

Worm screw component may include: worm shaft, be provided on the excircle of worm shaft and worm gear meshed gears portion；And Bearing and driven worm gear, are respectively coupled to the both ends of worm shaft.Motor may include rotary shaft, and rotary shaft is connected to and driven snail Take turns the geared worm of engagement.

Worm gear can be received into the top that the mode in worm gear is connected to gear mounting portion with gear mounting portion.Bracket can be The lower part insertion of gear mounting portion is connected in parallel to gear mounting portion.

Gear mounting portion can be removably coupled to shell.

Shell may include the extension board for being connected to gear mounting portion.Hook can the lower end of gear mounting portion removably It is connected to extension board.

Extension board may include multiple stopper ribs, and multiple stopper ribs are separated from each other preset distance in a circumferential direction, until Lower end and multiple stop ribbed joints of few connection rib in gear mounting portion.

Actuator may further include: damping member, be configured in the case where the bottom surface in motor holding portion supports motor End.

Worm gear can be configured to cover the top surface and side of gear mounting portion.

It may include accommodation space in worm gear.Accommodation space may be configured to accommodate gear mounting portion to surround gear peace Dress portion.

Actuator may further include: bracket axle portion, be configured to penetrate the axis of sun gear in the central portion of bracket Hole, so that bracket axle portion is pivotably supported by cover.

Detailed description of the invention

From the following description of the accompanying drawings of embodiments, these and/or other aspects of the invention will become aobvious and easy See and be easier to understand, in which:

Fig. 1 is the perspective view for showing the actuator according to an embodiment of the present disclosure for brake apparatus.

Fig. 2 is the exploded perspective view for showing the actuator according to an embodiment of the present disclosure for brake apparatus.

Fig. 3 is the decomposition for showing the reduction gear unit of the actuator according to an embodiment of the present disclosure for brake apparatus Perspective view.

Fig. 4 is the cross-sectional view for showing the actuator according to an embodiment of the present disclosure for brake apparatus.

Specific embodiment

Now with detailed reference to embodiment of the disclosure, its example is shown in the drawings.However, the disclosure can not similar shape Formula is realized, and should not be construed as limited to embodiment set forth herein.But these embodiments are provided so that the disclosure will It is thorough and complete, and the scope of the present disclosure is fully conveyed to those skilled in the art.In the accompanying drawings, for description It is convenient and clear, it can exaggerate or reduce width, length, thickness of component etc..Through the disclosure, in each attached drawing of the disclosure In embodiment, identical appended drawing reference refers to identical component always.

Fig. 1 is the perspective view for showing the actuator according to an embodiment of the present disclosure for brake apparatus.Fig. 2 is to show root According to the exploded perspective view of the actuator for brake apparatus of embodiment of the disclosure.Fig. 3 is the implementation shown according to the disclosure The exploded perspective view of the reduction gear unit of the actuator for brake apparatus of example.Fig. 4 is the implementation shown according to the disclosure The cross-sectional view of the actuator for brake apparatus of example.

Referring to figs. 1 to Fig. 4, the actuator 10 according to an embodiment of the present disclosure for brake apparatus may include: shell 20, it is provided with the motor holding portion 21 for accommodating motor 15；And cover 30, in the opening for being configured to cover shell 20 Portion.

The motor holding portion 21 for wherein accommodating motor 15 can be set in the side of shell 20, and the other side of shell 20 can To be provided with the extension board for being connected to gear mounting portion 40, reduction gear unit is installed to gear mounting portion 40.

Motor holding portion 21 can have predetermined depth corresponding with the length of motor 15, and can be formed as top and open The cylinder put.

Motor 15 can be inserted into motor holding portion 21 by the open top in motor holding portion 21.

It is configured to support the damping member 17 of the lower end of motor 15 to may be mounted at the bottom in motor holding portion 21.

The spill receiving portion for being configured to wherein accommodate damping member 17 may be mounted at the lower end in motor holding portion 21 Center.

Gear mounting portion 40 can be provided in adjacent with motor holding portion 21 in extension board 22, and extension board 22 is in motor It is horizontally extending at the open top of receiving portion 21.

Gear mounting portion 40 can be removably coupled to shell 20, or can be integrally formed with shell 20.

Gear mounting portion 40 can be formed as hollow cylindrical, closed upper part, the lower open of gear mounting portion 40, and Gear mounting portion 40 can be removably coupled to extension board 22.

The multiple hooks 41 for being removably coupled to extension board 22 can be set in the lower end of gear mounting portion 40.

In addition, at least one connection rib 42 can be set at the lower end of gear mounting portion 40, at least one connection rib 42 It is engaged with multiple stopper ribs 23 circumferentially spaced from one another on extension board 22.

When gear mounting portion 40 is mounted on extension board 22, hook 41 is inserted into the hook groove being formed in extension board 22 In, so that gear mounting portion 40 is secured to extension board 22.In addition, the rotation of gear mounting portion 40 can by stopper rib 23 and extremely Few one couples the interlocking between rib 42 to limit.

Optionally, gear mounting portion 40 can be integrally formed with extension board 22.

The axis hole 43 for being formed as penetrating along the vertical direction can be formed in the center of gear mounting portion 40, and gear ring portion 45 It can be arranged along the inner circle circumferential direction of gear mounting portion 40.

It gear ring portion 45 can be integrally formed with gear mounting portion 40.

Worm gear 50 can be pivotally supported at the top of gear mounting portion 40.

Worm gear 50 may include ring portion 52 and cover 53.Ring portion 52 can be formed as having through-hole in the central portion, and It may include the gear teeth 51 for being formed in its excircle.The cover 53 for covering the top of ring portion 52 can be connected to ring portion 52.

The ring portion 52 of worm gear 50 can be made of the synthetic resin material of such as plastics, and cover 53 can be by steel At.

Cover 53 can be connected to ring portion 52, enable cover 53 cover ring portion 52 open upper part and ring portion 52 it is interior Periphery.

Accommodation space 54 has can be set in the inside of worm gear 50, and accommodation space 54 is formed as corresponding with gear mounting portion 40 Shape.When worm gear 50 is placed on the top of gear mounting portion 40, the cover 53 being formed from steel can be supported on gear mounting portion On 40 outer surface, so as to reduce the frictional resistance encountered during worm gear 50 rotates.

The sun gear 55 that worm gear 50 is connected to rotate integrally with worm gear 50 can couple in the center of accommodation space 54 To cover 53.

When the accommodation space 54 of worm gear 50 is placed on gear mounting portion 40, sun gear 55 can pass through gear and install The axis hole 43 in portion 40 allows sun gear 55 inwardly projecting from gear mounting portion 40.

Multiple planetary gears 61 are inserted into gear mounting portion 40, and are engaged with sun gear 55.

Multiple planetary gears 61 can be inserted into gear mounting portion 40 by the opening lower part of gear mounting portion 40.

Multiple planetary gears 61 can be rotationally coupled at least one the planetary gear axle portion being formed in bracket 60 62。

Three planetary gears 61 can be arranged on the circumferencial direction of sun gear 55.When three planetary gears 61 are inserted into When in gear mounting portion 40, three planetary gears 61 can be engaged with the excircle of sun gear 55.

Bracket 60 can be formed as disk (circular slab) shape, the multiple planets for the preset distance that is separated from each other in a circumferential direction Gear axle portion 62 can be set in the top surface of bracket 60, and the support that the axis hole 43 by passing through gear mounting portion 40 upwardly extends Frame axle portion 63 can be set in the top surface of bracket 60 center.

When bracket 60 is connected to gear mounting portion 40, bracket axle portion 63 can be threaded through the axis hole of gear mounting portion 40 43 are inserted into the axis hole 56 of the sun gear 55 in gear mounting portion 40, and can be rotationally coupled to be formed in cover 30 In axis supported hole.

Output shaft 65 can be set in the bottom surface of bracket 60 center.Output shaft 65 can be rotated integrally with bracket 60.

It is mounted on the worm gear 50 on the top of gear mounting portion 40, and is mounted on the planet tooth of the lower part of gear mounting portion 40 Wheel 61 and bracket 60 may be constructed reduction gear unit, and reduction gear unit reduces the rotary force of motor 15 and by reduced rotation Turn power and is supplied to output shaft 65.

The constituent element for constituting above-mentioned reduction gear unit can be connected to the roller gear peace being arranged in extension board 22 The upper and lower part in dress portion 40, so as to form compact structure and the assembling of reduction gear unit can be improved.

It can be executed by worm screw component 70 from motor 15 to the transmitting of the power of reduction gear unit.

Geared worm 16 for transmitting rotating force to worm screw component 70 can be connected to the rotary shaft of motor 15.

Worm screw component 70 not only may include worm shaft 72, but also may include bearing 73 and driven worm gear 74, worm shaft 72 have the gear part 71 being mounted on the outer circumference surface of worm shaft 72, and bearing 73 and driven worm gear 74 are respectively coupled to worm shaft 72 both ends.

Each of the threaded shank of geared worm 16 and the threaded shank of driven worm gear 74 may be embodied as helical gear.

The holder 80 for being configured to be pivotably supported the end of worm screw component 70 can be connected to the top of motor 15.

The various operations of actuator according to an embodiment of the present disclosure for brake apparatus are described below with reference to accompanying drawings.

When the driver of ride-on vehicles is when operating the parking brake of vehicle after parking, motor 15 is driven, so that The rotary shaft of motor 15 rotates.Therefore, the geared worm 16 for being connected to the rotary shaft of motor 15 also rotates, so that and geared worm The driven worm gear 74 of 16 engagements rotates.

Worm shaft 72 can rotate together with driven worm gear 74, and engage with the gear part 71 being arranged in worm shaft 72 Worm gear 50 can by gear mounting portion 40 support while rotate.

The rotary force of worm gear 50 can be transmitted to multiple planetary gears 61, and multiple planetary gears by sun gear 55 61 can rotate along gear ring portion 45 around sun gear 55, and gear ring portion 45 is formed along the inner peripheral surface of gear mounting portion 40.

Since the multiple planetary gears 61 rotated around sun gear 55 rotate bracket 60, output shaft 65 also revolves Turn.

As is apparent from the above description, reduction gear unit according to an embodiment of the present disclosure may include being used for The sun gear in worm gear and planetary gear space are accommodated, and the constituent element of reduction gear unit is mounted on roller gear The upper side and lower side of mounting portion, enables actuator to minimize, while operational stability with higher.

While there has been shown and described that some embodiments of the present disclosure, it will be understood by those skilled in the art that Without departing from the principles and spirit of the present invention, it can change these embodiments, the scope of the present invention is being weighed It is limited in sharp claim and its equivalent program.