WO2022193695A1 - 一种逆止器、电机装置、窗帘控制装置和电动窗帘 - Google Patents

一种逆止器、电机装置、窗帘控制装置和电动窗帘 Download PDF

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Publication number
WO2022193695A1
WO2022193695A1 PCT/CN2021/130345 CN2021130345W WO2022193695A1 WO 2022193695 A1 WO2022193695 A1 WO 2022193695A1 CN 2021130345 W CN2021130345 W CN 2021130345W WO 2022193695 A1 WO2022193695 A1 WO 2022193695A1
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WO
WIPO (PCT)
Prior art keywords
backstop
driving
driving force
needle roller
groove
Prior art date
Application number
PCT/CN2021/130345
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English (en)
French (fr)
Inventor
周永强
谭宝国
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宁波森富利电机有限公司
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Application filed by 宁波森富利电机有限公司 filed Critical 宁波森富利电机有限公司
Publication of WO2022193695A1 publication Critical patent/WO2022193695A1/zh

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D41/00—Freewheels or freewheel clutches
    • F16D41/06—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface
    • F16D41/064—Freewheels or freewheel clutches with intermediate wedging coupling members between an inner and an outer surface the intermediate members wedging by rolling and having a circular cross-section, e.g. balls
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/40—Roller blinds
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/68—Operating devices or mechanisms, e.g. with electric drive
    • E06B9/72—Operating devices or mechanisms, e.g. with electric drive comprising an electric motor positioned inside the roller
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters

Definitions

  • the invention relates to the technical field of curtain control, in particular to a backstop, a motor device, a curtain control device and an electric curtain.
  • backstops are usually used in the clutch control of electric curtains, especially rolling shutter electric curtains.
  • the process of the existing backstop performing the backstop action is as follows: when the driving force output part actively rotates, it drives the needle roller to rotate relative to the fixed sleeve for a certain distance, so that the needle roller can be backstopped on the fixed sleeve.
  • embodiments of the present invention provide a backstop, a motor device, a curtain control device, and an electric curtain. It can effectively solve the problem of backstop delay.
  • an embodiment of the present invention provides a backstop, comprising: a driving force receiving part, which has a backstop connection side and a needle roller pushing position; a driving force output part, which is arranged on the backstop connection side and has a driving force output part. a movable member, which is arranged between the driving force receiving part and the driving force outputting part, and has a reverse stop position; a needle roller is arranged at the needle roller pushing position, the driving position and the reverse stop position ; A fixed sleeve sleeved on the outside of the needle roller and the driving force receiving portion.
  • the technical effect of this embodiment is: when the driving force output part rotates, the movable member is in a static state relative to the driving force output part, and at this time, the needle roller can be reversed at the There is no need for the drive output part to rotate a certain distance between the backstop position and the fixed sleeve, thereby solving the problem of backstop delay.
  • the driving force receiving part is provided with a connection sleeve on the backstop connection side, and the connection sleeve is provided with a backstop accommodating cavity; wherein, the driving force output part and the The movable piece is arranged in the backstop accommodating cavity.
  • the connecting sleeve is provided with an opening that communicates with the backstop accommodating cavity; wherein, the needle roller pushing position is provided on one side of the opening, and the driving position and the The backstop position corresponds to the opening; the driving position, the backstop position and the needle roller are pushed at the opening to form a needle roller installation position; the needle roller is arranged at the needle roller installation position.
  • the driving force output part is provided with a driving groove corresponding to the opening, and the driving groove is provided with the driving position; the movable member is provided with a backstop corresponding to the opening The backstop groove is provided with the backstop position.
  • a plurality of the openings are provided; wherein, a needle roller pusher is provided between two adjacent openings; the needle roller pusher faces one of the two openings.
  • the sides are respectively provided with a first direction push position and a second direction push position.
  • the movable member is provided with a plurality of check grooves corresponding to the openings; wherein, the two adjacent check grooves are respectively a first direction check groove and a second check groove.
  • Two-way check grooves; groove connecting sections corresponding to the needle roller pusher are arranged between the two check grooves; two sides of the groove connecting sections corresponding to the two check grooves are respectively provided There are a first direction reverse stop position and a second direction reverse stop position.
  • a plurality of the openings are provided, and an opening partition is provided between two adjacent openings; the driving force output part is provided with a plurality of driving forces corresponding to the openings A groove, a driving connecting section corresponding to the opening partition is arranged between two adjacent driving grooves; wherein, the two driving grooves are a first-direction driving groove and a second-direction driving groove respectively ; The two sides of the driving connecting section corresponding to the two driving grooves are respectively the first direction driving position and the second direction driving position.
  • the circumferential width of the driving force link is greater than the circumferential width of the opening divider.
  • the driving force output portion and the movable member have end faces with the same shape.
  • an embodiment of the present invention also provides a motor device, the motor device includes: a motor body, which is provided with a drive shaft; The driving force receiving portion of the backstop is connected to the driving shaft.
  • the motor device further includes: a reducer connected between the motor body and the backstop.
  • an embodiment of the present invention provides a curtain control device, including: a motor device, which is the motor device described in any of the above embodiments; a drum, the motor device is provided inside the drum and can The reel is driven to rotate.
  • an embodiment of the present invention also provides an electric curtain, which is the curtain control device described in the above embodiment, and a shutter provided on the drum.
  • the following technical effects can be achieved: i) when the driving force output part is subjected to a rotational torque, the needle roller can be reverse-stopped at the Between the backstop position and the fixed sleeve, the problem of backstop delay is solved; ii) the backstop can realize bidirectional rotation and bidirectional backstop.
  • FIG. 1 is a schematic structural diagram of a backstop 100 according to a first embodiment of the present invention.
  • FIG. 2 is an exploded view of the backstop 100 shown in FIG. 1 .
  • FIG. 3 is a schematic structural diagram of the driving force outputting part 20 and the movable member 50 installed on the driving force receiving part 10 in FIG. 2 .
  • FIG. 4 is a schematic structural diagram of the driving force receiving portion 10 in FIG. 3 .
  • FIG. 5 is a schematic structural diagram of the driving force receiving portion 10 shown in FIG. 4 from another perspective.
  • FIG. 6 is a schematic structural diagram of the driving force output portion 20 and the movable member 50 in FIG. 1 .
  • FIG. 7 is a schematic structural diagram of the driving force output part 20 in FIG. 6 .
  • FIG. 8 is a schematic structural diagram of the movable member 50 in FIG. 6 .
  • FIG. 9 is a schematic structural diagram of a motor device 200 according to a second embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of a curtain control device 300 according to a third embodiment of the present invention.
  • FIG. 11 is a schematic structural diagram of an electric curtain 400 according to the fourth embodiment of the present invention.
  • 30 is needle roller; 40 is fixed sleeve;
  • 50 is the movable part; 51 is the backstop groove; 51a is the backstop groove in the first direction; 51b is the backstop groove in the second direction; 52 is the backstop position; 52a is the backstop position in the first direction; Two-way reverse stop position; 53 is the groove connecting section;
  • an embodiment of the present invention provides a backstop 100 .
  • the backstop 100 includes, for example, a driving force receiving portion 10 , a driving force output portion 20 , a needle roller 30 , a fixed sleeve 40 and a movable member 50 .
  • the driving force receiving portion 10 is provided with a backstop connection side for connecting the driving force output portion 20 .
  • the driving force output portion 20 is provided on the backstop connection side, and the movable member 50 is sandwiched between the driving force receiving portion 10 and the driving force output portion 20 ; the needle roller 30 is provided on the backstop of the driving force receiving portion 10
  • the connecting side acts on the driving force output part 20 ; the fixing sleeve 40 is sleeved on the outside of the needle roller 30 and the driving receiving part 10 .
  • the driving force receiving portion 10 is provided with a needle roller pushing position 13 on the backstop connection side
  • the driving force output portion 20 is provided with a driving position 22
  • the movable member 50 is provided with a backstop position 52 ;
  • the needle roller pushing position 13 , the drive position 22 and the reverse stop position 52 form a needle roller installation position
  • the needle roller 30 is arranged at the needle roller installation position.
  • the needle roller 30 When the driving force receiving portion 10 receives the torque and rotates, the needle roller 30 is pushed by the needle roller pushing position 13 , and then the needle roller 30 acts on the driving position 22 to push the driving force output portion 20 and the movable member 50 to rotate.
  • the driving force output part 20 receives the torque and rotates, the needle roller 30 is pushed by the driving position 22, but the movable member 50 is in a stationary state relative to the driving force output part 20, so the needle roller 30 is backstopped at the backstop position 52 and the fixed sleeve between the inner walls of the barrel 40 .
  • the needle roller 30 Since the needle roller 30 is always located on the needle roller installation position formed by the needle roller pushing position 13 , the driving position 22 and the backstop position 52 , when the needle roller 30 receives the rotational torque from the driving force receiving part 10 , the needle roller 30 The driving force output part 20 can be pushed to rotate and the rotation output can be realized. However, when the needle roller 30 receives the rotational torque from the driving force output portion 20, since the movable member 50 is in a stationary state relative to the driving force output portion 20, the needle roller 30 is backstopped between the movable member 50 and the fixed sleeve 40. between.
  • the driving force receiving portion 10 includes a connecting sleeve 11 and a first connecting piece 15 connected thereto; wherein, the connecting sleeve 11 is located on the side of the check connection, and the first connecting piece 15 It is used for receiving torque to realize the rotation of the driving force receiving portion 10 .
  • the first connector 15 may be an internal spline.
  • the connecting sleeve 11 is provided with a backstop accommodating cavity 12 , the movable piece 50 and the driving force output part 20 are arranged in the backstop accommodating cavity 12 , and the movable piece 50 is movably clamped between the driving force output part 20 and the first connecting piece between 16.
  • the side wall of the connecting sleeve 11 is provided with an opening 14 which communicates with the backstop accommodating cavity 12.
  • One side of the opening 14 is provided with a needle roller pushing position 13, and the opening 14 exposes the driving position 22 and the backstop position 52;
  • the end of the opening 14 away from the first connecting member 15 is further provided with a needle roller bearing member 18 .
  • the needle roller pushing position 13 , the driving position 22 and the reverse stop position 52 form the needle roller mounting position at the opening 14 , and the needle roller 30 abuts on the needle roller carrier 18 when it is set at the needle roller mounting position. , and contact with the needle roller push position 13 , the drive position 22 and the backstop position 52 .
  • the connecting sleeve 10 is provided with a plurality of openings 14 in the circumferential direction, wherein a needle roller pusher 16 is provided between two adjacent openings 14 , and the needle roller pusher 16 faces one of the two openings 14 .
  • the sides are respectively set as the needle roller pushing position 13a in the first direction and the needle roller pushing position 13b in the second direction.
  • an opening partition 17 is provided, and the opening partition 17 separates two adjacent openings 14 .
  • the opening 14 is sandwiched between the needle pusher 16 and the opposite opening divider 17 .
  • the driving force output part 20 is provided with a driving groove 21 corresponding to the opening 14 , and the driving groove 21 is provided with a driving position 22 ; A backstop 52 is provided.
  • the shape of the end face of the driving force output part 20 relative to the movable part 50 can be the same as the shape of the movable part 50; and the opposite end of the driving force output part 20 is set as the second connecting part 24, and the second connecting part 24 is used for To output torque, the second connecting member 24 is, for example, an external spline.
  • the driving force output portion 20 is provided with a plurality of driving grooves 21 , wherein one opening 14 corresponds to one driving groove 21 .
  • two adjacent driving grooves 21 are a first-direction driving groove 21a and a second-direction driving groove 21b, respectively, and a driving connecting segment 23 is connected between the two grooves.
  • the first direction driving groove 21a is provided with a first direction driving position 22a, the first direction driving position 22a corresponds to the first direction pushing position 13a; the second direction driving groove 21b is provided with a second direction driving position 22b, The second direction driving position 22b corresponds to the first direction pushing position 13b.
  • the driving connecting section 23 corresponds to the opening partition 17 .
  • the movable member 50 is provided with a plurality of check grooves 51 .
  • one opening 14 corresponds to one check groove 51 .
  • the two adjacent check grooves 51 are respectively a first direction check groove 51a and a second direction check groove 51b, and a groove connecting section 53 is connected between the two grooves.
  • the first direction check groove 51a is provided with a first direction check position 52a
  • the first direction check position 52a corresponds to the first direction push position 13a
  • the second direction check groove 51b is provided with a second direction
  • the reverse stop position 52b and the reverse stop position 52b in the second direction correspond to the push position 13b in the first direction.
  • the groove connecting section 53 corresponds to the needle roller pushing member 16 .
  • the three first-direction pushing positions 13a spaced apart from each other push the corresponding three needle rollers 30 respectively, and the three needle rollers 30 then act in the three first-direction driving grooves 21a.
  • the positions 22 a are driven in the corresponding three first directions, so that the three needle rollers 30 push the driving force output portion 20 and the movable member 50 to rotate clockwise in the connecting sleeve 11 .
  • the other three second-direction pushing bits 13b push the corresponding three needle rollers 30 to act on the three second-direction driving bits 22b, so as to realize the driving force output portion 20 and the movable member 50 Rotate counterclockwise in the connecting sleeve 11 .
  • the motor is connected to the shaft at the first connection member 15 of the driving force receiving portion 10, and the output shaft is connected to the second connection member 24 of the driving force output portion 20, and the backstop 100 realizes the output of torque.
  • the motor device 200 includes, for example, a motor body 210 and the backstop 100 as described in the first embodiment.
  • the motor body 210 is provided with a drive shaft, and the drive shaft is connected to the first connecting member 15 of the driving force receiving portion 10 .
  • the motor body 210 can drive the driving force receiving portion 10 to rotate forwardly or reversely.
  • the motor device 200 may further include a speed reducer connected between the motor body 210 and the backstop 100 .
  • the reducer may be a reduction gearbox.
  • the curtain control device 300 includes, for example, the motor device 200 as described in the second embodiment and a reel 340 sleeved on the outside of the motor device 200 .
  • the motor device 200 is connected to the reel 340 by transmission, and can drive the reel 340 to rotate.
  • the driving force output part 20 of the motor device 200 is drivingly connected to a transmission wheel 310 ; the other end of the motor device 200 is connected to a mounting seat 320 .
  • the outer side of the motor device 200 is sleeved with the sleeve 330 ; wherein, one end of the sleeve 330 is mounted to the mounting seat 320 , and the transmission wheel 310 is located outside the opposite end of the sleeve 330 .
  • the sleeve 330 is used to protect the motor device 200 .
  • the outside of the sleeve 330 is then sleeved with the reel 340, one end of the reel 340 is rotatably sleeved to the mounting seat 320, the opposite end of the reel 340 is sleeved outside the transmission wheel 330, and the transmission wheel 330 is connected to the reel 340 engages the inner wall.
  • the transmission wheel 330 drives the reel 340 to rotate.
  • the curtain control device 300 can be used for a roller shutter type electric curtain or a blind type electric curtain.
  • the electric curtain 400 includes, for example, the curtain control device 300 described in the third embodiment, and a shutter 410 rolled on the reel 340 .
  • the reel 340 is rotated so that the shutter 410 can be rolled up to the reel 340, or the shutter 410 can be lowered.
  • the electric curtain 400 for example, further includes: fixing parts 420 arranged at both ends of the curtain control device 300, and the two fixing parts 420 are used for fixing the electric curtain 400 at both ends of the window.
  • the motorized curtain 400 provided in this embodiment may further include the motor device 200 as described in the second embodiment.
  • the electric curtain 400 is, for example, a roller shutter type electric curtain or a blind type electric curtain.

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  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Power Engineering (AREA)
  • Operating, Guiding And Securing Of Roll- Type Closing Members (AREA)

Abstract

提供了一种逆止器（100）、电机装置（200）、窗帘控制装置（300）和电动窗帘（400）。逆止器（100）包括：驱动力接收部（10），具有逆止连接侧以及滚针推动位（13）；驱动力输出部（20），设于逆止连接侧，并具有驱动位（22）；活动件（50），设在驱动力接收部（10）和驱动力输出部（20）之间，具有逆止位（52）；滚针（30），设于滚针推动位（13）、驱动位（22）和逆止位（52）；固定套筒（40），套设在滚针（30）和驱动力接收部（10）的外侧。采用这种逆止器能有效解决逆止延迟的问题。

Description

一种逆止器、电机装置、窗帘控制装置和电动窗帘 技术领域
本发明涉及窗帘控制技术领域，尤其涉及一种逆止器、一种电机装置、一种窗帘控制装置以及一种电动窗帘。
背景技术
目前，在电动窗帘的离合控制中通常使用到逆止器，尤其是卷帘式电动窗帘。现有的逆止器在进行逆止动作的过程是：驱动力输出部主动转动时，会带动滚针相对固定套筒转动一定距离，才能够将滚针逆止于所述固定套筒。
由此可见，现有的逆止器存在逆止延迟的问题。
发明内容
因此，本发明实施例提供了一种逆止器、电机装置、窗帘控制装置和电动窗帘。能够有效解决逆止延迟的问题。
一方面，本发明实施例提供的一种逆止器，包括：驱动力接收部，具有逆止连接侧以及滚针推动位；驱动力输出部，设于所述逆止连接侧，并具有驱动位；活动件，设在所述驱动力接收部和所述驱动力输出部之间，具有逆止位；滚针，设于所述滚针推动位、所述驱动位和所述逆止位；固定套筒，套设在所述滚针和所述驱动力接收部的外侧。
与现有技术相比，本实施例的技术效果是：所述驱动力输出部转动时，所述活动件相对所述驱动力输出部为静止状态，此时，所述滚针能够逆止在所述逆止位和所述固定套筒之间，而不需要所述驱动输出部转动一定距离，从而解决了逆止延迟的问题。
在本发明的一个实施例中，所述驱动力接收部于所述逆止连接侧设有连接筒套，所述连接筒套设有逆止容纳腔；其中，所述驱动力输出部和所述活动件设在所述逆止容纳腔内。
在本发明的一个实施例中，所述连接套筒开有连通所述逆止容纳腔的开口；其中，所述滚针推动位设在所述开口的一侧，所述驱动位和所述逆止位对应所述开口；所述驱动位、所述逆止位和所述滚针推动位于所述开口处形成滚针安装位；所述滚针设于所述滚针安装位。
在本发明的一个实施例中，所述驱动力输出部设有对应所述开口的驱动凹槽，所述驱动凹槽设有所述驱动位；所述活动件设有对应所开口的逆止凹槽，所述逆止凹槽设有所述逆止位。
在本发明的一个实施例中，所述开口设有多个；其中，相邻的两个所述开口之间设有滚针推动件；所述滚针推动件朝向两个所述开口的一侧分别设有第一方向推动位和第二方向推动位。
在本发明的一个实施例中，所述活动件设有与所述开口对应的多个逆止凹槽；其中，相邻的两个逆止凹槽分别为第一方向逆止凹槽和第二方向逆止凹槽；该两个逆止凹槽之间设有对应所述滚针推动件的凹槽连接段；所述凹槽连接段对应该两个逆止凹槽的两侧分别设有第一方向逆止位和第二方向逆止位。
在本发明的一个实施例中，所述开口设有多个，相邻的两个所述开口之间设有开口分隔件；所述驱动力输出部设有与所述开口对应的多个驱动凹槽，相邻两个所述驱动凹槽之间设有对应所述开口分隔件的驱动连接段；其中，该两个驱动凹槽分别为第一方向驱动凹槽和第二方向驱动凹槽；所述驱动连接段对应该两个驱动凹槽的两侧分别为第一方向驱动位和第二方向驱动位。
在本发明的一个实施例中，所述驱动力连接件的周向宽度大于所述开口分隔件的周向宽度。
在本发明的一个实施例中，所述驱动力输出部和所述活动件具有形状相同的端面。
另一方面，本发明实施例还提供了一种电机装置，所述电机装置包括：电机本体，设有驱动轴；逆止器，为上述任意一项实施例所述的逆止器，所述逆止器的所述驱动力接收部连接所述驱动轴。
在本发明的一个实施例中，所述电机装置还包括：减速器，连接在所述电机本体与所述逆止器之间。
又一方面，本发明实施例提供了一种窗帘控制装置，包括：电机装置，为上述任意一项实施例所述的电机装置；卷筒，所述电机装置设于所述卷筒内部并可以带动所述卷筒转动。
再一方面，本发明实施例还提供了一种电动窗帘，为上述实施例所述的窗帘控制装置，以及设于所述卷筒上的遮挡件。
综上所述，采用本发明上述至少一个实施例提供的技术方案后，能够达到如下技术效果：i)所述驱动力输出部在受到转动的扭矩时，就能够将所述滚针逆止在所述逆止位和所述固定套筒之间，解决了逆止延迟的问题；ii)该逆止器可以实现双向转动和双向逆止。
附图说明
为了更清楚地说明本发明实施例的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领 域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明第一实施例提供的一种逆止器100的结构示意图。
图2为图1所示逆止器100的爆炸图。
图3为图2中驱动力输出部20和活动件50安装至驱动力接收部10的结构示意图。
图4为图3中驱动力接收部10的结构示意图。
图5为图4所示驱动力接收部10另一视角的结构示意图。
图6为图1中驱动力输出部20和活动件50的结构示意图。
图7为图6中驱动力输出部20的结构示意图。
图8为图6中活动件50的结构示意图。
图9为本发明第二实施例提供的一种电机装置200的结构示意图。
图10为本发明第三实施例提供的一种窗帘控制装置300的结构示意图。
图11为本发明第四实施例提供的一种电动窗帘400的结构示意图。
主要符号说明：
100为逆止器；10为驱动力接收部；11为连接套筒；12为逆止容纳腔；13为滚针推动位；13a为第一方向推动位；13b为第二方向推动位；14为开口；15为第一连接件；16为滚针推动件；17为开口分隔件；18为滚针承载件；
20为驱动力输出部；21为驱动凹槽；21a为第一方向驱动凹槽；21b为第二方向驱动凹槽；22为驱动位；22a为第一方向驱动位；22b为第二方向驱动位；23为驱动连接段；24为第二连接件；
30为滚针；40为固定套筒；
50为活动件；51为逆止凹槽；51a为第一方向逆止凹槽；51b为第二方向逆止凹槽；52为逆止位；52a为第一方向逆止位；52b为第二方向逆止位；53为凹槽连接段；
200为电机装置；210为电机本体；300为窗帘控制装置；310为传动轮；320为安装座；330为套筒；340为卷筒；400为电动窗帘；410为遮挡件；420为固定件。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
【第一实施例】
参见图1，本发明实施例提供了一种逆止器100。所述逆止器100例如包括：驱动力接收部10、驱动力输出部20、滚针30、固定套筒40以及活动件50。
具体的，参见图2，驱动力接收部10设有用于连接驱动力输出部20的逆止连接侧。驱动力输出部20设在所述逆止连接侧，且活动件50夹设在驱动力接收部10和驱动力输出部20之间；滚针30设于驱动力接收部10的所述逆止连接侧，并作用于驱动力输出部20；固定套筒40套设在滚针30和驱动接收部10的外部。
参见图3，驱动力接收部10于所述逆止连接侧设有滚针推动位13，驱动力输出部20设有驱动位22，活动件50设有逆止位52；滚针推动位13、驱动位22和逆止位52形成滚针安装位，滚针30设于所述滚针安装位。
在驱动力接收部10接收扭矩转动时，通过滚针推动位13推动滚针30，进而，滚针30作用于驱动位22以推动驱动力输出部20和活动件50进行转动。而驱动力输出部20接收扭矩转动时，通过驱动位22推动滚针30，但是，活动件50相对驱动力输出部20为静止状态，因此，滚针30逆止在逆止位52和固定套筒40的内壁之间。
由于滚针30始终位于滚针推动位13、驱动位22和逆止位52形成的所述滚针安装位上，在滚针30受到来自驱动力接收部10的转动扭矩时，则滚针30能够实现推动驱动力输出部20转动，实现转动输出。但是，在滚针30受到来自驱动力输出部20的转动扭矩时，由于活动件50相对驱动力输出部20为静止状态，因此，滚针30则逆止在活动件50和固定套筒40之间。
在一个实施方式中，参见图4，驱动力接收部10包括连接套筒11和与之相连的第一连接件15；其中，连接套筒11位于所述逆止连接侧，第一连接件15用于接收扭矩以实现驱动力接收部10转动。例如第一连接件15可以是内花键。
其中，连接套筒11设有逆止容纳腔12，活动件50和驱动力输出部20设于逆止容纳腔12内，且活动件50活动夹设在驱动力输出部20与第一连接件16之间。
连接套筒11的侧壁开有连通逆止容纳腔12的开口14，该开口14的一侧设有滚针推动位13，开口14暴露驱动位22和逆止位52；连接套筒11于开口14远离第一连接件15的一端还设有滚针承载件18。其中，滚针推动位13、驱动位22以及逆止位52于开口14处形成所述滚针安装位，滚针30设于所述滚针安装位时，抵接在滚针承载件18上，并且与滚针推动位13、驱动位22以及逆止位52接触。
进一步的，参见图5，连接套筒10周向开有多个开口14，其中，相邻两个开口14之间设有滚针推动件16，该滚针推动件16朝向该两个开口14的一侧分别设 为第一方向滚针推动位13a和第二方向滚针推动位13b。
而开口14相对滚针推动位13的另一侧设有开口分隔件17，开口分隔件17分隔相邻的两个开口14。开口14夹设在滚针推动件16以及相对的开口分隔件17之间。
参见图6，驱动力输出部20设有对应开口14的驱动凹槽21，驱动凹槽21设有驱动位22；活动件50设有对应开口14的逆止凹槽51，逆止凹槽51设有逆止位52。
其中，驱动力输出部20相对活动件50的端面形状，可以与活动件50的形状相同；而驱动力输出部20相对的另一端则设为第二连接件24，第二连接件24用于输出扭矩，第二连接件24例如为外花键。
参见图7，与连接套筒10周向开有多个开口14相对应的，驱动力输出部20开设有多个驱动凹槽21，其中，一个开口14对应一个驱动凹槽21。其中，相邻两个驱动凹槽21分别为第一方向驱动凹槽21a和第二方向驱动凹槽21b，该两个凹槽之间连接有驱动连接段23。
其中，第一方向驱动凹槽21a设有第一方向驱动位22a，第一方向驱动位22a与第一方向推动位13a相对应；第二方向驱动凹槽21b设有第二方向驱动位22b，第二方向驱动位22b与第一方向推动位13b相对应。其中，驱动连接段23对应开口分隔件17。
参见图8，与连接套筒10周向开有多个开口14相对应的，活动件50设有多个逆止凹槽51。其中，一个开口14对应一个逆止凹槽51。其中，相邻两个逆止凹槽51分别为第一方向逆止凹槽51a和第二方向逆止凹槽51b，该两个凹槽之间连接有凹槽连接段53。
其中，第一方向逆止凹槽51a设有第一方向逆止位52a，第一方向逆止位52a与第一方向推动位13a相对应；第二方向逆止凹槽51b设有第二方向逆止位52b，第二方向逆止位52b与第一方向推动位13b相对应。其中，凹槽连接段53对应滚针推动件16。
以图1至图8所示的逆止器10为例，下面对本实施例提供的逆止器的工作原理进行详细说明：
驱动力接收部10顺时针转动时，互相间隔的三个第一方向推动位13a分别推动相应的三个滚针30，该三个滚针30进而在三个第一方向驱动凹槽21a内作用于相应的三个第一方向驱动位22a，从而该三个滚针30推动驱动力输出部20和活动 件50在连接套筒11内顺时针转动。
驱动力接收部10逆时针转动时，另外三个第二方向推动位13b推动相应的三个滚针30，作用于三个第二方向驱动为22b，以实现驱动力输出部20和活动件50在连接套筒11内逆时针转动。
因此，在驱动力接收部10的第一连接件15处轴连接电机，驱动力输出部20的第二连接件24连接输出轴，该逆止器100实现扭矩的输出。
但是，驱动力输出部20顺时针转动时，三个第一方向驱动位22a推动相应的三个滚针30，活动件50相对驱动力输出部20为相对静止状态，并且该三个滚针30分别作用于三个第一方向逆止位52a，因此，该三个滚针30分别逆止在固定套筒40和三个第一方向逆止位52a之间。
与之相似的，驱动力输出部20逆时针转动时，另三个滚针30分别逆止在固定套筒40和三个第二方向逆止位52b之间。
【第二实施例】
参见图9，其为本发明第二实施例提供的一种电机装置。所述电机装置200例如包括电机本体210、以及如第一实施例所述的逆止器100。其中，电机本体210设有驱动轴，该驱动轴连接驱动力接收部10的第一连接件15。电机本体210可带动驱动力接收部10正转或反转。
进一步的，电机装置200还可以包括减速器，该减速器连接在电机本体210和逆止器100之间。所述减速器可以是减速齿轮箱。
【第三实施例】
参见图10，其为本发明第三实施例提供了一种窗帘控制装置。该窗帘控制装置300例如包括如第二实施例所述的电机装置200以及套在电机装置200外侧的卷筒340。其中，电机装置200传动连接卷筒340，并可带动卷筒340转动。
具体的，电机装置200的驱动力输出部20传动连接一传动轮310；电机装置200的另一端连接一安装座320。
电机装置200的外侧套接套筒330；其中，套筒330的一端安装至安装座320，传动轮310位于套筒330相对另一端的外部。套筒330用来保护电机装置200。
套筒330的外部再套接卷筒340，卷筒340的一端可转动的套接至安装座320，卷筒340相对的另一端套接在传动轮330的外部，并且传动轮330与卷筒340的内壁啮合。
电机装置200转动时，传动轮330带动卷筒340转动。
该窗帘控制装置300可用于卷帘式电动窗帘或百叶窗式电动窗帘。
【第四实施例】
参见图11，其为本发明第四实施例提供的一种电动窗帘。该电动窗帘400例如包括如第三实施例所述的窗帘控制装置300，以及卷设在卷筒340上的遮挡件410。
其中，窗帘控制装置300动作时，卷筒340转动从而可以收卷遮挡件410至卷筒340，或放下遮挡件410。
具体的，该电动窗帘400例如还包括：设在窗帘控制装置300两端的固定件420，两个固定件420用于将电动窗帘400固定在窗户的两端。
另一方面，本实施例提供的电动窗帘400还可以包括如第二实施例所述的电机装置200。电动窗帘400例如是卷帘式电动窗帘或百叶窗式电动窗帘。
最后应说明的是：以上实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。

Claims (13)

  1. 一种逆止器，其特征在于，包括：
    驱动力接收部，具有逆止连接侧以及滚针推动位；
    驱动力输出部，设于所述逆止连接侧，并具有驱动位；
    活动件，设在所述驱动力接收部和所述驱动力输出部之间，具有逆止位；
    滚针，设于所述滚针推动位、所述驱动位和所述逆止位；
    固定套筒，套设在所述滚针和所述驱动力接收部的外侧。
  2. 根据权利要求1所述的逆止器，其特征在于，
    所述驱动力接收部于所述逆止连接侧设有连接筒套，所述连接筒套设有逆止容纳腔；
    其中，所述驱动力输出部和所述活动件设在所述逆止容纳腔内。
  3. 根据权利要求2所述的逆止器，其特征在于，所述连接套筒开有连通所述逆止容纳腔的开口；其中，所述滚针推动位设在所述开口的一侧，所述驱动位和所述逆止位对应所述开口；所述驱动位、所述逆止位和所述滚针推动位于所述开口处形成滚针安装位；
    所述滚针设于所述滚针安装位。
  4. 根据权利要求3所述的逆止器，其特征在于，
    所述驱动力输出部设有对应所述开口的驱动凹槽，所述驱动凹槽设有所述驱动位；
    所述活动件设有对应所开口的逆止凹槽，所述逆止凹槽设有所述逆止位。
  5. 根据权利要求3所述的逆止器，其特征在于，所述开口设有多个；其中，相邻的两个所述开口之间设有滚针推动件；
    所述滚针推动件朝向两个所述开口的一侧分别设有第一方向推动位和第二方向推动位。
  6. 根据权利要求5所述的逆止器，其特征在于，所述活动件设有与所述开口对应的多个逆止凹槽；
    其中，相邻的两个逆止凹槽分别为第一方向逆止凹槽和第二方向逆止凹槽；该两个逆止凹槽之间设有对应所述滚针推动件的凹槽连接段；所述凹槽连接段对应该两个逆止凹槽的两侧分别设有第一方向逆止位和第二方向逆止位。
  7. 根据权利要求3所述的逆止器，其特征在于，
    所述开口设有多个，相邻的两个所述开口之间设有开口分隔件；所述驱动力输出部设有与所述开口对应的多个驱动凹槽，相邻两个所述驱动凹槽之间设有对应所述开口分隔件的驱动连接段；
    其中，该两个驱动凹槽分别为第一方向驱动凹槽和第二方向驱动凹槽；所述驱动连接段对应该两个驱动凹槽的两侧分别为第一方向驱动位和第二方向驱动位。
  8. 根据权利要求7所述的逆止器，其特征在于，
    所述驱动力连接件的周向宽度大于所述开口分隔件的周向宽度。
  9. 根据权利要求1所述的逆止器，其特征在于，
    所述驱动力输出部和所述活动件具有形状相同的端面。
  10. 一种电机装置，其特征在于，包括：
    电机本体，设有驱动轴；
    逆止器，为如权利要求1-9任意一项所述的逆止器，所述逆止器的所述驱动力接收部连接所述驱动轴。
  11. 根据权利要求10所述的电机装置，其特征在于，还包括：
    减速器，连接在所述电机本体与所述逆止器之间。
  12. 一种窗帘控制装置，其特征在于，包括：
    如权利要求10-11任意一项所述的电机装置；
    卷筒，所述电机装置设于所述卷筒内部并可以带动所述卷筒转动。
  13. 一种电动窗帘，其特征在于，包括：
    窗帘控制装置，为如权利要求12的窗帘控制装置；
    遮挡布，设于所述卷筒。
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